/* ═══════════════════════════════════════════════════════════════
   FLASH Workshop · Hamamatsu
   Type   : Zen Old Mincho (display) · Zen Kaku Gothic New (text) · IBM Plex Mono (data)
   Colour : sampled from the partner logos (HUSM teal, HUSM sun, Curie orange)
   ═══════════════════════════════════════════════════════════════ */
:root{
  --ink:#0B2A5B;
  --ink-2:#123566;
  --body:#3B4F6B;
  --muted:#6E819B;
  --paper:#EEF3F9;
  --card:#FFFFFF;
  --line:#D9E2EE;
  --line-soft:#E1E8F2;
  --teal:#1A5FB4;
  --orange:#1A5FB4;
  --sun:#6B9BDB;
  --err:#A8271B;
  --ok:#1A5FB4;

  --f-display:"Zen Old Mincho",Georgia,"Times New Roman","Hiragino Mincho ProN","Yu Mincho","YuMincho","Noto Serif JP",serif;
  --f-body:"Zen Kaku Gothic New",ui-sans-serif,system-ui,-apple-system,"Hiragino Kaku Gothic ProN","Yu Gothic UI","Yu Gothic","Meiryo","Noto Sans JP",sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --wrap:1140px;
  --r:10px;
  --r-sm:6px;
  --shadow:0 1px 2px rgba(11,42,91,.05),0 8px 24px -12px rgba(11,42,91,.18);
  --shadow-lg:0 2px 4px rgba(11,42,91,.06),0 24px 48px -20px rgba(11,42,91,.28);
  --hero:url('hero-lake.jpg');
  --seigaiha:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='48' height='24' viewBox='0 0 48 24'%3E%3Cg fill='none' stroke='%230B2A5B' stroke-opacity='.16'%3E%3Ccircle cx='12' cy='24' r='11'/%3E%3Ccircle cx='12' cy='24' r='7.5'/%3E%3Ccircle cx='12' cy='24' r='4'/%3E%3Ccircle cx='36' cy='24' r='11'/%3E%3Ccircle cx='36' cy='24' r='7.5'/%3E%3Ccircle cx='36' cy='24' r='4'/%3E%3Ccircle cx='0' cy='12' r='11'/%3E%3Ccircle cx='0' cy='12' r='7.5'/%3E%3Ccircle cx='24' cy='12' r='11'/%3E%3Ccircle cx='24' cy='12' r='7.5'/%3E%3Ccircle cx='24' cy='12' r='4'/%3E%3Ccircle cx='48' cy='12' r='11'/%3E%3Ccircle cx='48' cy='12' r='7.5'/%3E%3C/g%3E%3C/svg%3E");
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;color:var(--ink);background:var(--paper);
  font-family:var(--f-body);font-size:16.5px;line-height:1.62;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--orange);text-underline-offset:3px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 clamp(20px,4vw,32px)}
.mono{font-family:var(--f-mono)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:fixed;left:14px;top:-70px;z-index:300;background:var(--ink);color:#fff;padding:12px 18px;border-radius:var(--r-sm);transition:top .18s;text-decoration:none}
.skip:focus{top:14px}
:focus-visible{outline:2.5px solid var(--orange);outline-offset:3px;border-radius:2px}

/* ══════════ hero ══════════ */
.masthead{position:relative;overflow:hidden;isolation:isolate;background:var(--ink)}
.masthead::before{content:"";position:absolute;inset:0;z-index:-2;
  background-image:var(--hero);background-size:cover;background-position:center 56%}
.masthead::after{content:"";position:absolute;inset:0;z-index:-1;
  background:
    linear-gradient(104deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.93) 34%,rgba(255,255,255,.72) 56%,rgba(255,255,255,.32) 76%,rgba(var(--primary-rgb),.12) 100%),
    linear-gradient(180deg,rgba(255,255,255,.55) 0%,rgba(255,255,255,0) 26%)}
.topline{display:flex;gap:14px;justify-content:space-between;flex-wrap:wrap;
  padding:16px 0;border-bottom:1px solid rgba(var(--ink-rgb),.13);
  font-family:var(--f-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.hero{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);
  gap:clamp(24px,4vw,56px);align-items:start;padding:clamp(40px,6vw,72px) 0 clamp(28px,4vw,40px)}
.eyebrow{display:inline-flex;align-items:center;gap:10px;margin:0 0 22px;
  font-family:var(--f-mono);font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--orange)}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--orange)}
h1.title{margin:0 0 24px;font-family:var(--f-display);font-weight:900;
  font-size:clamp(46px,7.6vw,96px);line-height:.94;letter-spacing:-.028em;color:var(--ink)}
h1.title em{font-style:normal;color:var(--teal)}
.cta-row{display:flex;gap:12px;flex-wrap:wrap}

.factcard{margin:0;background:rgba(255,255,255,.86);backdrop-filter:blur(10px) saturate(140%);
  border:1px solid rgba(255,255,255,.9);border-radius:var(--r);box-shadow:var(--shadow-lg);
  padding:6px 24px 10px;position:relative;overflow:hidden}
.factcard::before{content:"";position:absolute;inset:0 0 auto;height:4px;
  background:var(--ink)}
.fact{padding:16px 0;border-bottom:1px solid var(--line-soft)}
.fact:last-child{border-bottom:0}
.fact dt{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.fact dd{margin:4px 0 0;font-size:17px;font-weight:700;color:var(--ink)}

.trace{padding:0 0 clamp(26px,4vw,38px);--conv:var(--tint-4);--flash:var(--primary)}
.trace-inner{border-top:1px solid rgba(var(--ink-rgb),.14);padding-top:14px}
.trace svg{width:100%;height:120px;display:block;overflow:visible}
.trace text{font-family:var(--f-mono);font-size:11px;letter-spacing:.2em}
.trace .lbl-conv{fill:var(--conv)}
.trace .lbl-flash{fill:var(--flash)}
.trace .base{stroke:var(--line-2);stroke-width:1.4}
.trace .pulses.conv rect{fill:var(--conv)}
.trace .pulses.flash rect{fill:var(--flash)}
.trace .glow rect{fill:var(--flash);opacity:.35;filter:blur(4px)}
.trace #gConv{animation:fadeCycle 6.4s linear infinite}
.trace #gFlash,.trace #gGlow{animation:fadeCycle 6.4s linear infinite}
.trace #rConv{transform:scaleX(0);transform-origin:0 0;animation:sweepConv 6.4s linear infinite}
.trace #rFlash{transform:scaleX(0);transform-origin:0 0;animation:sweepFlash 6.4s linear infinite}
@keyframes sweepConv{0%{transform:scaleX(0)}47%,99%{transform:scaleX(1)}100%{transform:scaleX(0)}}
@keyframes sweepFlash{0%,55%{transform:scaleX(0)}59%,99%{transform:scaleX(1)}100%{transform:scaleX(0)}}
@keyframes fadeCycle{0%,90%{opacity:1}99%,100%{opacity:0}}
.wave{height:22px;background-image:var(--seigaiha);background-size:48px 24px;opacity:.5}

/* ══════════ logo strip ══════════ */
.strip{background:var(--card);border-block:1px solid var(--line);padding:30px 0}
.strip .cap{display:block;text-align:center;margin-bottom:20px;
  font-family:var(--f-mono);font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.logos{display:flex;flex-wrap:wrap;gap:clamp(24px,4.5vw,52px);justify-content:center;align-items:center}
.logos img{width:auto;height:auto;max-height:var(--lh,48px);max-width:min(100%,300px);transition:transform .25s}
.logos img:hover{transform:translateY(-2px)}

/* ══════════ desktop navigation ══════════ */
.nav{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.9);
  backdrop-filter:blur(12px) saturate(160%);border-bottom:1px solid var(--line);transition:box-shadow .2s}
.nav.stuck{box-shadow:0 8px 20px -16px rgba(var(--ink-rgb),.5)}
.nav-inner{position:relative;display:flex;align-items:center;gap:8px;
  max-width:var(--wrap);margin:0 auto;padding:0 clamp(20px,4vw,32px)}
.tablist{position:relative;display:flex;overflow-x:auto;scrollbar-width:none;flex:1}
.tablist::-webkit-scrollbar{display:none}
.tab{flex:none;appearance:none;background:none;border:0;cursor:pointer;padding:19px clamp(8px,.95vw,13px);
  color:var(--muted);white-space:nowrap;
  font-family:var(--f-mono);font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;transition:color .18s}
.tab:hover{color:var(--ink)}
.tab[aria-selected="true"]{color:var(--accent-nav,var(--orange))}
.indicator{position:absolute;bottom:0;height:2.5px;border-radius:2px;width:0;
  background:var(--accent-nav,var(--orange));
  transition:transform .32s cubic-bezier(.4,0,.2,1),width .32s cubic-bezier(.4,0,.2,1)}
.nav-cta{flex:none;margin-left:10px}
@media(max-width:1180px){.nav-cta{display:none}}
.tablist::after{content:'';position:sticky;right:0;width:28px;flex:none;
  background:linear-gradient(90deg,rgba(var(--paper-rgb),0),rgba(var(--paper-rgb),.95));pointer-events:none}

/* ══════════ mobile navigation ══════════ */
.mobile-bar{display:none;position:sticky;top:0;z-index:60;align-items:center;gap:12px;
  padding:10px clamp(16px,4vw,20px);background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px) saturate(160%);border-bottom:1px solid var(--line)}
.mobile-bar .m-brand{font-family:var(--f-display);font-weight:900;font-size:16px;flex:1}
.m-current{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-nav,var(--orange))}
.burger{display:flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;
  padding:0 10px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--card);cursor:pointer}
.burger span{display:block;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s,opacity .2s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.drawer{position:fixed;inset:0;z-index:120;background:rgba(var(--ink-rgb),.45);
  backdrop-filter:blur(3px);opacity:0;transition:opacity .22s}
.drawer.open{opacity:1}
.drawer-panel{position:absolute;inset:0 0 0 auto;width:min(86vw,380px);background:var(--card);
  box-shadow:var(--shadow-lg);display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  padding:calc(env(safe-area-inset-top) + 18px) 0 calc(env(safe-area-inset-bottom) + 18px)}
.drawer.open .drawer-panel{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:0 22px 16px;border-bottom:1px solid var(--line)}
.drawer-head b{font-family:var(--f-display);font-size:19px}
.drawer-close{width:40px;height:40px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:none;font-size:20px;color:var(--ink);cursor:pointer;line-height:1}
.drawer-list{flex:1;overflow-y:auto;padding:8px 0}
.drawer-item{display:flex;align-items:center;gap:14px;width:100%;padding:15px 22px;border:0;background:none;
  font:inherit;font-size:17px;color:var(--ink);text-align:left;cursor:pointer;border-bottom:1px solid var(--line-soft)}
.drawer-item .dot{width:9px;height:9px;border-radius:50%;flex:none}
.drawer-item[aria-current="true"]{font-weight:700;background:var(--tint-0)}
.drawer-foot{padding:16px 22px 0;border-top:1px solid var(--line)}

.actionbar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-top:1px solid var(--line)}
.actionbar .btn{width:100%}

/* ══════════ panels ══════════ */
main{padding:clamp(40px,6vw,72px) 0 clamp(70px,9vw,110px)}
.panel[hidden]{display:none}
.panel{scroll-margin-top:66px}
.panel{animation:rise .34s ease both}
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
#home{--accent:var(--primary);--soft:var(--tint-1)}
#programme{--accent:var(--ink);--soft:var(--tint-1)}
#speakers{--accent:var(--primary);--soft:var(--tint-1)}
#abstracts{--accent:var(--primary-2);--soft:var(--tint-1)}
#venue{--accent:var(--primary-2);--soft:var(--tint-1)}
#accommodation{--accent:var(--sun);--soft:var(--tint-1)}
#speakerinfo{--accent:var(--primary-2);--soft:var(--tint-1)}
#committee{--accent:var(--primary);--soft:var(--tint-1)}
#sponsors{--accent:var(--ink);--soft:var(--tint-1)}
#contact{--accent:var(--primary);--soft:var(--tint-1)}

.section-head{display:flex;align-items:flex-start;gap:clamp(16px,3vw,30px);margin-bottom:clamp(26px,4vw,40px)}
.section-num{font-family:var(--f-mono);font-size:12px;letter-spacing:.1em;color:var(--accent);padding-top:10px}
.section-head>div{flex:1;min-width:0}
.section-head h2{margin:0;font-family:var(--f-display);font-weight:900;
  font-size:clamp(30px,4.4vw,46px);line-height:1.05;letter-spacing:-.022em}
.kicker{font-family:var(--f-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--accent);margin:0 0 12px}
.lede{color:var(--body);max-width:64ch;font-size:17px;margin:0 0 32px}
.rule{height:1px;background:var(--line);margin:clamp(34px,5vw,52px) 0}

.grid{display:grid;gap:20px;margin-bottom:24px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px;
  box-shadow:var(--shadow);position:relative;overflow:hidden}
.card::before{content:"";position:absolute;inset:0 0 auto;height:3px;background:var(--accent)}
.card p{margin:0;font-size:15px;color:var(--body)}

.box{display:flex;align-items:center;justify-content:center;text-align:center;padding:18px;
  min-height:var(--h,120px);margin-bottom:20px;border-radius:var(--r);
  border:1.5px dashed color-mix(in srgb,var(--accent) 45%,#fff);
  background:var(--soft);color:var(--accent);
  font-family:var(--f-mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase}
.box-title{--h:78px;background:var(--accent);border:0;color:#fff;margin-bottom:24px;
  box-shadow:var(--shadow);letter-spacing:.22em}
.grid .box{margin-bottom:0}

.banner{width:100%;height:clamp(190px,26vw,300px);border-radius:var(--r);
  background-size:cover;background-position:center;box-shadow:var(--shadow)}
.banner-cap{margin:10px 0 30px;text-align:right;font-family:var(--f-mono);
  font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}

.hotels{display:grid;gap:18px;grid-template-columns:repeat(2,minmax(0,1fr));margin-bottom:26px}
.hotel{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px 24px;
  box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s}
.hotel:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.hotel .n{font-family:var(--f-display);font-weight:600;font-size:18px;margin-bottom:4px}
.hotel .m{display:inline-block;font-family:var(--f-mono);font-size:11px;letter-spacing:.06em;
  color:var(--accent);background:var(--soft);padding:3px 9px;border-radius:999px;margin-bottom:10px}
.hotel p{margin:0;font-size:14.5px;color:var(--body)}
.hotel .links{display:flex;gap:16px;flex-wrap:wrap;margin-top:12px}
.hotel .links a{font-family:var(--f-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--accent);text-decoration:none;border-bottom:1px solid transparent;transition:border-color .15s}
.hotel .links a:hover{border-bottom-color:var(--accent)}
.logo-link{display:block;border-radius:var(--r-sm);transition:transform .25s}
.logo-link:hover{transform:translateY(-2px)}
.logo-link:focus-visible{outline-offset:6px}

.reveal{opacity:0;transform:translateY(14px)}
.reveal.in{opacity:1;transform:none;transition:opacity .55s ease,transform .55s cubic-bezier(.2,.7,.3,1)}

/* ══════════ buttons ══════════ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1.5px solid var(--ink);background:var(--ink);color:#fff;cursor:pointer;
  padding:14px 24px;border-radius:999px;text-decoration:none;
  font-family:var(--f-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;
  transition:background .18s,border-color .18s,color .18s,transform .18s,box-shadow .18s}
.btn:hover{background:var(--orange);border-color:var(--orange);transform:translateY(-1px);box-shadow:0 10px 20px -12px rgba(var(--primary-rgb),.55)}
.btn:active{transform:none}
.btn.ghost{background:none;color:var(--ink);border-color:var(--line)}
.btn.ghost:hover{background:none;border-color:var(--teal);color:var(--teal);box-shadow:none}
.btn.small{padding:9px 16px;font-size:11px}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}

/* ══════════ form ══════════ */
form{max-width:800px}
fieldset{border:0;margin:0 0 36px;padding:0;min-width:0}
legend{width:100%;padding:18px 0 0;margin-bottom:18px;border-top:1px solid var(--line);
  font-family:var(--f-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--accent)}
label{display:block;font-size:13.5px;font-weight:500;margin-bottom:7px;color:var(--ink-2)}
.req{color:var(--orange)}
input[type=text],input[type=email],select,textarea{
  width:100%;font:inherit;font-size:15.5px;color:var(--ink);background:var(--card);
  border:1.5px solid var(--line);border-radius:var(--r-sm);padding:12px 14px;transition:border-color .15s,box-shadow .15s}
textarea{min-height:110px;line-height:1.55;resize:vertical}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);
  box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 18%,transparent)}
.field{margin-bottom:20px}
.hint{margin-top:6px;font-size:12.5px;color:var(--muted)}
.row{display:grid;gap:18px;grid-template-columns:1fr 1fr}
.err{display:none;margin-top:6px;font-size:12.5px;color:var(--err)}
.field.invalid input,.field.invalid textarea,.field.invalid select{border-color:var(--err);background:var(--warm-0)}
.field.invalid .err{display:block}
.author-row{display:grid;grid-template-columns:1fr 1fr 44px;gap:10px;margin-bottom:10px}
.icon-btn{height:46px;border:1.5px solid var(--line);background:var(--card);border-radius:var(--r-sm);
  cursor:pointer;color:var(--muted);font-family:var(--f-mono);font-size:17px}
.icon-btn:hover{border-color:var(--err);color:var(--err)}
.choices{display:flex;gap:10px;flex-wrap:wrap}
.choice{position:relative}
.choice input{position:absolute;inset:0;opacity:0;cursor:pointer}
.choice span{display:block;padding:10px 18px;border:1.5px solid var(--line);border-radius:999px;
  background:var(--card);font-size:14.5px;cursor:pointer;transition:all .15s}
.choice input:checked+span{border-color:var(--accent);background:var(--soft);color:var(--accent);font-weight:600}
.check{display:flex;gap:12px;align-items:flex-start;margin-bottom:14px;font-size:14.5px;color:var(--body)}
.check input{flex:none;width:18px;height:18px;margin-top:3px;accent-color:var(--accent)}
.counter{margin-top:7px;text-align:right;font-family:var(--f-mono);font-size:12px;color:var(--muted)}
.counter.warn{color:var(--ink)}
.counter.over{color:var(--err);font-weight:600}
.actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center;border-top:1px solid var(--line);padding-top:26px}
.status{font-size:13.5px;min-height:20px;color:var(--teal)}
.status.bad{color:var(--err)}
.status.good{color:var(--ok)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.notice{border-left:3px solid var(--accent);background:var(--soft);padding:16px 18px;
  border-radius:0 var(--r-sm) var(--r-sm) 0;margin-bottom:28px;font-size:14.5px;color:var(--body)}
.notice code{font-family:var(--f-mono);font-size:13px;background:rgba(255,255,255,.7);padding:1px 5px;border-radius:3px}
.receipt{border:1px solid var(--accent);background:var(--card);border-radius:var(--r);padding:34px;
  margin-bottom:28px;box-shadow:var(--shadow)}
.receipt .id{font-family:var(--f-mono);font-size:28px;letter-spacing:.04em;color:var(--accent)}
table{width:100%;border-collapse:collapse;font-size:13.5px}
th,td{padding:11px 12px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line-soft)}
th{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.empty{padding:32px;text-align:center;color:var(--muted);border:1.5px dashed var(--line);border-radius:var(--r)}
details>summary{cursor:pointer;font-family:var(--f-mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.table-scroll{overflow-x:auto}

/* ══════════ closing band + footer ══════════ */
.closer{position:relative;overflow:hidden;isolation:isolate;background:var(--ink)}
.closer::before{content:"";position:absolute;inset:0;z-index:-2;background-image:var(--hero);background-size:cover;background-position:center 42%}
.closer::after{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(255,255,255,.93) 0%,rgba(255,255,255,.74) 45%,rgba(var(--paper-rgb),.96) 100%)}
.closer .wrap{text-align:center;padding:clamp(60px,9vw,104px) 24px}

footer{background:var(--ink);color:var(--muted-2);padding:clamp(40px,6vw,58px) 0 30px;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.12)}
.foot-brand{font-family:var(--f-display);font-weight:900;font-size:24px;color:#fff;margin:0 0 10px}
.foot h4{margin:0 0 12px;font-family:var(--f-mono);font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted-2);font-weight:500}
.foot ul{list-style:none;margin:0;padding:0}
.foot li{margin-bottom:8px}
.foot a{color:var(--line);text-decoration:none}
.foot a:hover{color:#fff;text-decoration:underline}
.foot-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:22px;
  font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-2)}
.footer-logos{background:var(--card);border-top:1px solid var(--line);padding:34px 0}

/* ══════════════════ MOBILE ══════════════════ */
@media(max-width:900px){
  body{font-size:16px}
  .masthead::before{background-position:center 62%}
  .masthead::after{background:linear-gradient(180deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.94) 42%,rgba(255,255,255,.87) 72%,rgba(255,255,255,.92) 100%)}
  .topline{justify-content:center;gap:10px;font-size:10px;letter-spacing:.14em;padding:12px 0}
  .topline span:nth-child(2){display:none}
  .hero{grid-template-columns:1fr;gap:26px;padding:30px 0 22px}
  h1.title{font-size:clamp(46px,15vw,68px)}
  .cta-row .btn{width:100%}
  .factcard{padding:4px 20px 8px}
  .fact{padding:13px 0}
  .fact dd{font-size:16px}
  .trace svg{height:92px}
  .nav{display:none}
  .mobile-bar{display:flex}
  .actionbar{display:block}
  main{padding-bottom:96px}
  .g2,.g3,.hotels,.row{grid-template-columns:1fr}
  .section-num{display:none}
  .logos{gap:26px}
  .logos img{max-height:calc(var(--lh,48px)*.74);max-width:min(44vw,210px)}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .banner-cap{text-align:left}
  .card,.hotel{padding:20px}
  input[type=text],input[type=email],select,textarea{font-size:16px} /* stops iOS zooming on focus */
}
@media(max-width:520px){
  .choices{display:grid;grid-template-columns:1fr}
  .actions .btn{width:100%}
  .receipt{padding:24px}
}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .trace #rConv,.trace #rFlash{transform:scaleX(1)}
  .trace .glow{display:none}
  .reveal{opacity:1;transform:none}
}
@media print{
  .nav,.mobile-bar,.actionbar,.cta-row,.closer,.trace,.drawer{display:none!important}
  .panel[hidden]{display:block!important}
  body{background:#fff}
  .card,.hotel{box-shadow:none}
}

/* announced-later cards and filled content */
.tba{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--accent,var(--primary));
  border-radius:var(--r);padding:20px 24px;margin-bottom:20px;box-shadow:var(--shadow)}
.tba b{display:block;font-family:var(--f-display);font-weight:900;font-size:19px;color:var(--ink);margin-bottom:4px}
.tba p{margin:0;color:var(--muted);font-size:15px}
.grid .tba{margin-bottom:0}
.hero-sub{font-size:18px;color:var(--body);margin:0 0 28px;max-width:46ch}
.card h3{margin-bottom:6px}
.card p+p{margin-top:8px}
.dates{border-top:1px solid var(--line);max-width:640px}
.date-row{display:flex;gap:18px;align-items:baseline;padding:13px 0;border-bottom:1px solid var(--line)}
.date-row .d{font-family:var(--f-mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent,var(--primary));min-width:170px}
.date-row .n{font-weight:700;color:var(--ink)}
.date-row .n.muted{font-weight:400;color:var(--muted)}
.closer-title{font-family:var(--f-display);font-weight:900;font-size:clamp(30px,4.6vw,46px);letter-spacing:-.02em;margin:0 0 10px;color:var(--ink)}
.closer-line{color:var(--body);max-width:46ch;margin:0 auto 26px}
.section-head h2{margin:0}
@media(max-width:900px){.date-row{flex-direction:column;gap:2px}.date-row .d{min-width:0}}

.sessions .card{border-top:3px solid var(--accent)}
.sessions .card .kicker{color:var(--accent)}

/* title: programme line above the main title */
h1.title .t-pre{display:block;font-family:var(--f-mono);font-weight:600;font-size:clamp(14px,1.6vw,19px);
  letter-spacing:.26em;color:var(--orange);margin-bottom:14px;line-height:1.2}
.mobile-bar .m-brand{font-size:14px}

/* ── theme: blue mist, echoing the torii sky and the FLASH blue ── */
body{background:var(--paper)}
.masthead::after{background:
  linear-gradient(104deg,rgba(var(--paper-rgb),.97) 0%,rgba(var(--paper-rgb),.92) 34%,rgba(var(--paper-rgb),.70) 56%,rgba(var(--paper-rgb),.30) 76%,rgba(var(--primary-rgb),.14) 100%),
  linear-gradient(180deg,rgba(var(--paper-rgb),.55) 0%,rgba(var(--paper-rgb),0) 26%)}
.closer::after{background:linear-gradient(180deg,rgba(var(--paper-rgb),.93) 0%,rgba(var(--paper-rgb),.72) 45%,rgba(var(--paper-rgb),.96) 100%)}
.nav,.mobile-bar{background:rgba(var(--paper-rgb),.92)}
@media(max-width:900px){
  .masthead::after{background:linear-gradient(180deg,rgba(var(--paper-rgb),.97) 0%,rgba(var(--paper-rgb),.94) 42%,rgba(var(--paper-rgb),.88) 72%,rgba(var(--paper-rgb),.93) 100%)}
}

/* longer title: keep "Radiotherapy" on one line at every width */
h1.title{font-size:clamp(42px,6.4vw,82px)}
h1.title .t-pre{letter-spacing:.2em}
@media(max-width:900px){h1.title{font-size:clamp(34px,11.5vw,60px)}}

/* ── all blue: solid bars instead of the gradient ones ── */
.masthead{border-bottom:4px solid var(--ink);border-image:none}
.factcard::before{background:var(--ink)}
.btn:hover{background:var(--primary);border-color:var(--primary)}
.trace{--conv:var(--tint-4);--flash:var(--primary)}
.trace .lbl-conv{fill:var(--muted)}
h1.title .t-pre{color:var(--primary)}
h1.title em{color:var(--primary)}
.counter.warn{color:var(--ink)}
a{color:var(--primary)}

/* ── language switch (EN / 日本語) ── */
.lang-switch{display:inline-flex;gap:6px;align-items:center}
.lang-btn{display:inline-flex;align-items:center;gap:6px;padding:4px 10px 4px 6px;border-radius:999px;cursor:pointer;
  border:1px solid rgba(var(--ink-rgb),.18);background:rgba(255,255,255,.75);color:var(--body);
  font-family:var(--f-body);font-size:12px;letter-spacing:.02em;text-transform:none;line-height:1}
.lang-btn:hover{border-color:var(--ink)}
.lang-btn[aria-pressed="true"]{border-color:var(--ink);background:#fff;color:var(--ink);font-weight:700}
.flag{width:20px;height:13px;border-radius:2px;display:inline-block;flex:none;background-size:cover;background-position:center;
  box-shadow:0 0 0 1px rgba(var(--ink-rgb),.18)}
.flag-jp{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 20'%3E%3Crect width='30' height='20' fill='%23fff'/%3E%3Ccircle cx='15' cy='10' r='6' fill='%23BC002D'/%3E%3C/svg%3E")}
.flag-uk{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 60 30'%3E%3CclipPath id='t'%3E%3Cpath d='M30%2C15h30v15zv15h-30zh-30v-15zv-15h30z'/%3E%3C/clipPath%3E%3Cpath d='M0%2C0v30h60v-30z' fill='%23012169'/%3E%3Cpath d='M0%2C0L60%2C30M60%2C0L0%2C30' stroke='%23fff' stroke-width='6'/%3E%3Cpath d='M0%2C0L60%2C30M60%2C0L0%2C30' clip-path='url%28%23t%29' stroke='%23C8102E' stroke-width='4'/%3E%3Cpath d='M30%2C0v30M0%2C15h60' stroke='%23fff' stroke-width='10'/%3E%3Cpath d='M30%2C0v30M0%2C15h60' stroke='%23C8102E' stroke-width='6'/%3E%3C/svg%3E")}
.topline .lang-switch{margin-left:8px}
.nav-inner .lang-switch{margin:0 6px 0 10px;flex:none}
.mobile-bar .lang-switch{margin-left:auto}
.mobile-bar .lang-txt{display:none}
.mobile-bar .lang-btn{padding:5px 7px}
@media(max-width:900px){ .topline .lang-txt{display:none} .topline .lang-btn{padding:5px 7px} .topline .lang-switch{margin-left:4px} }
@media(max-width:1180px){ .nav-inner .lang-txt{display:none} .nav-inner .lang-btn{padding:5px 7px} }
/* Japanese reads better slightly looser */
html[data-lang="ja"] body{line-height:1.8}
html[data-lang="ja"] .kicker,html[data-lang="ja"] .date-row .d{letter-spacing:.06em}
html[data-lang="ja"] h1.title .t-pre{letter-spacing:.08em}
.guide-title{font-family:var(--f-display);font-weight:900;font-size:clamp(24px,3.4vw,34px);letter-spacing:-.02em;margin:0 0 14px}
#rDaysErr,#rConsentErr{display:none}

.cal-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:20px}
.cal-label{font-family:var(--f-mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-right:6px}

/* ════════ softer, warmer look: no monospace, no capitals, rounder shapes ════════ */
:root{--f-mono:var(--f-body);--r:18px}
.topline,.topline span,.eyebrow,.fact dt,.strip .cap,.tab,.m-current,.kicker,.btn,.banner-cap,.hotel .m,.hotel .links a,
legend,th,details>summary,.foot h4,.foot-bottom,.date-row .d,.cal-label,h1.title .t-pre,.lang-btn{
  text-transform:none !important;letter-spacing:.01em !important}
.topline{font-size:13px}
.section-num{display:none}
.section-head{gap:0}
.kicker{font-size:14px;font-weight:700;margin-bottom:8px}
h1.title .t-pre{font-size:clamp(17px,1.9vw,22px);font-weight:700;color:var(--primary)}
.tab{font-size:14px;font-weight:500}
.tab[aria-selected="true"]{font-weight:700}
.btn{font-size:14.5px;font-weight:700;padding:13px 26px}
.btn.small{font-size:13.5px}
.fact dt{font-size:12.5px;font-weight:500}
.strip .cap{font-size:13px}
.date-row .d{font-size:14px;font-weight:700}
.foot h4{font-size:13px;font-weight:700;color:var(--tint-3)}
legend{font-size:15px;font-weight:700;color:var(--ink)}
.banner-cap{font-size:12px}
.cal-label{font-size:13.5px;font-weight:700;color:var(--body)}
.card,.tba,.hotel,.factcard{border-radius:18px}
.banner{border-radius:22px}

/* gentle movement */
.masthead{overflow:hidden}
.masthead::before{animation:slowzoom 32s ease-in-out infinite alternate;transform-origin:65% 40%}
@keyframes slowzoom{from{transform:scale(1)}to{transform:scale(1.07)}}
.card,.tba,.hotel,.speaker,.member{transition:transform .4s cubic-bezier(.2,.7,.2,1),box-shadow .4s ease}
.card:hover,.hotel:hover,.speaker:hover,.member:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(var(--ink-rgb),.12)}
.btn{transition:transform .25s ease,background .25s ease,box-shadow .25s ease}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(var(--ink-rgb),.18)}

/* logo strip that drifts slowly, pauses under the mouse */
#logosTop{display:block}
.marquee{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent);mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent)}
.marquee .track{display:flex;width:max-content;animation:drift 38s linear infinite}
.marquee:hover .track{animation-play-state:paused}
.marquee .set{display:flex;align-items:center;gap:clamp(40px,6vw,84px);padding-right:clamp(40px,6vw,84px)}
.marquee img{height:var(--lh);width:auto;max-width:none;transition:transform .3s ease}
.marquee .logo-link:hover img{transform:scale(1.06)}
@keyframes drift{to{transform:translateX(-50%)}}

/* invited speakers and committee */
.speakers{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
.speaker{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:22px;display:flex;gap:18px;align-items:flex-start;box-shadow:var(--shadow)}
.avatar{flex:none;width:84px;height:84px;border-radius:50%;overflow:hidden;display:grid;place-items:center;
  background:radial-gradient(circle at 30% 25%,var(--tint-2),var(--tint-4) 70%);color:var(--ink);font-family:var(--f-display);font-weight:900;font-size:28px}
.avatar img{width:100%;height:100%;object-fit:cover}
.avatar.small{width:56px;height:56px;font-size:20px}
.sp-body h3{margin:4px 0 2px;font-size:19px}
.romaji{margin:0 0 4px;font-size:13px;color:var(--muted)}
.aff{margin:0;font-size:14px;color:var(--body)}
.bio{margin:10px 0 0;font-size:14px;line-height:1.6}
.bio.muted{color:var(--muted);font-style:italic}
.sp-link{display:inline-block;margin-top:10px;font-size:14px;font-weight:700}
.committee{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}
.member{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:16px 18px;display:flex;gap:14px;align-items:center;box-shadow:var(--shadow)}
.member h3{margin:0;font-size:17px}

@media (prefers-reduced-motion: reduce){
  .masthead::before,.marquee .track{animation:none}
  .card:hover,.hotel:hover,.speaker:hover,.member:hover,.btn:hover{transform:none}
}

/* ════════ top line ════════ */
.topline{align-items:center;font-size:13.5px;color:var(--body);border-bottom:1px solid rgba(var(--ink-rgb),.10);padding:14px 0}
.tl-item{display:inline-flex;gap:7px;align-items:center;font-weight:500}
.tl-item svg{width:15px;height:15px;color:var(--primary);flex:none}
@media(max-width:900px){ .topline .tl-item:nth-child(2){display:none} }

/* ════════ the same dose, two ways: a small explained card ════════ */
.trace{padding:0 0 clamp(26px,4vw,40px)}
.trace-card{background:rgba(255,255,255,.72);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.8);border-radius:22px;padding:18px 26px 14px;box-shadow:0 10px 30px rgba(var(--ink-rgb),.10);max-width:860px}
.trace-title{margin:0 0 8px;font-size:14px;font-weight:700;color:var(--ink)}
.trace-row{display:grid;grid-template-columns:170px 1fr;align-items:center;gap:16px;padding:6px 0}
.trace-row+.trace-row{border-top:1px solid rgba(var(--ink-rgb),.08)}
.trace-lbl b{display:block;font-size:15px;color:var(--ink)}
.trace-lbl span{font-size:12.5px;color:var(--muted)}
.trace-row:last-child .trace-lbl b{color:var(--primary)}
.trace svg{width:100%;height:46px;display:block;overflow:visible}
.trace .base{stroke:var(--line-2);stroke-width:1.2}
@media(max-width:640px){ .trace-row{grid-template-columns:1fr;gap:4px} .trace-card{padding:14px 16px} }

/* ════════ venue and maps ════════ */
.venue-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.25fr);gap:22px;align-items:stretch;margin-bottom:10px}
@media(max-width:900px){ .venue-grid{grid-template-columns:1fr} }
.muted-line{color:var(--muted);margin-top:10px}
.map-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.map-box{border-radius:22px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:var(--tint-1);min-height:380px}
.map-box.wide{min-height:0;margin:6px 0 26px}
.map{width:100%;height:100%;min-height:380px}
.map-box.wide .map{height:440px}
.leaflet-container{font-family:var(--f-body)}
.pin span{position:absolute;transform:translate(-50%,calc(-100% - 10px));white-space:nowrap;background:var(--ink);color:#fff;
  padding:6px 11px;border-radius:999px;font-size:12.5px;font-weight:700;box-shadow:0 6px 16px rgba(var(--ink-rgb),.25)}
.pin span::after{content:"";position:absolute;left:50%;bottom:-6px;transform:translateX(-50%);border:6px solid transparent;border-top-color:var(--ink);border-bottom:0}
.pin.station span{background:#fff;color:var(--ink);border:1px solid var(--line-2)}
.pin.station span::after{border-top-color:#fff}

.leaflet-popup-content{font-size:13.5px;line-height:1.5}

/* ════════ hotels ════════ */
.hotels{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
.hotel-card{background:var(--card);border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow);
  display:flex;flex-direction:column;transition:transform .4s cubic-bezier(.2,.7,.2,1),box-shadow .4s ease}
.hotel-card:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(var(--ink-rgb),.12)}
.hc-img{position:relative;aspect-ratio:4/3;background:linear-gradient(135deg,var(--tint-1),var(--tint-3));overflow:hidden}
.hc-img img{width:100%;height:100%;object-fit:cover;transition:transform .8s ease}
.hotel-card:hover .hc-img img{transform:scale(1.04)}
.hc-img .ph{width:100%;height:100%;display:grid;place-items:center;color:var(--muted-2)}
.hc-img .ph svg{width:64px;height:64px}
.hc-num{position:absolute;top:12px;left:12px;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;
  background:var(--primary);color:#fff;font-weight:700;font-size:14px;border:2px solid #fff;box-shadow:0 4px 12px rgba(var(--ink-rgb),.3)}
.hc-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:6px;flex:1}
.hc-body h3{margin:0;font-size:17.5px}
.hc-walk{margin:0;font-size:13.5px;font-weight:700;color:var(--primary)}
.hc-body p{margin:0;font-size:14px;color:var(--body)}
.hc-links{display:flex;flex-wrap:wrap;gap:14px;margin-top:auto;padding-top:10px;font-size:14px;font-weight:700}
.linkbtn{background:none;border:0;padding:0;font:inherit;color:var(--primary);cursor:pointer;text-decoration:underline;text-underline-offset:3px}
.photo-note{margin:16px 0 0;font-size:12.5px;color:var(--muted)}

/* soften the map colours so they sit with the site palette */
.leaflet-tile-pane{filter:saturate(.55) brightness(1.05) contrast(.96)}
.leaflet-div-icon{background:transparent;border:0}
.pin.hpin{width:28px !important;height:28px !important;margin-left:-14px !important;margin-top:-14px !important;display:block;
  text-align:center;line-height:24px;background:var(--primary);border:2px solid #fff;border-radius:50%;color:#fff;font-size:13px}
.pin.hpin b{display:block;line-height:24px}
.pin.station span{transform:translate(-50%,10px)}
.pin.station span::after{top:-6px;bottom:auto;border-top:0;border-bottom:6px solid #fff}
.pin.venue::before,.pin.station::before{content:"";position:absolute;width:10px;height:10px;border-radius:50%;transform:translate(-50%,-50%);border:2px solid #fff}
.pin.venue::before{background:var(--ink)}
.pin.station::before{background:var(--muted-2)}

.m-brand{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}

/* ════════ a Japanese touch ════════ */
/* kanji in the background of each section title */
.section-head{position:relative}
.panel{position:relative;isolation:isolate}

/* a small vermilion seal next to the title */
.masthead .wrap{position:relative}
.hanko{position:absolute;left:clamp(330px,40vw,560px);top:clamp(96px,10vw,128px);z-index:2;width:52px;height:52px;display:grid;place-items:center;
  writing-mode:vertical-rl;font-family:"Hiragino Mincho ProN","Yu Mincho","YuMincho","Noto Serif JP",serif;font-weight:700;font-size:19px;letter-spacing:.06em;
  color:#fff;background:var(--warm);border-radius:6px;box-shadow:inset 0 0 0 2px rgba(255,255,255,.55),inset 0 0 0 4px var(--warm);transform:rotate(-7deg);opacity:.92}
@media(max-width:900px){ .hanko{display:none} }

/* plum petals */
.petals{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:0}
.masthead > .wrap{position:relative;z-index:1}
.petals i{position:absolute;top:-20px;border-radius:150% 0 150% 0;opacity:.8;box-shadow:0 1px 3px rgba(var(--warm-rgb),.12);
  animation-name:petal;animation-timing-function:linear;animation-iteration-count:infinite}
@keyframes petal{
  0%{transform:translate(0,-20px) rotate(0deg)}
  50%{transform:translate(calc(var(--drift) * .6),45vh) rotate(160deg)}
  100%{transform:translate(var(--drift),95vh) rotate(320deg);opacity:0}
}

/* seigaiha waves behind the closing band */
.closer{background-image:url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20width='48'%20height='24'%20viewBox='0%200%2048%2024'%3E%3Cg%20fill='none'%20stroke='%231A5FB4'%20stroke-opacity='.10'%20stroke-width='1.2'%3E%3Ccircle%20cx='24'%20cy='24'%20r='22'/%3E%3Ccircle%20cx='24'%20cy='24'%20r='16'/%3E%3Ccircle%20cx='24'%20cy='24'%20r='10'/%3E%3Ccircle%20cx='0'%20cy='12'%20r='22'/%3E%3Ccircle%20cx='0'%20cy='12'%20r='16'/%3E%3Ccircle%20cx='0'%20cy='12'%20r='10'/%3E%3Ccircle%20cx='48'%20cy='12'%20r='22'/%3E%3Ccircle%20cx='48'%20cy='12'%20r='16'/%3E%3Ccircle%20cx='48'%20cy='12'%20r='10'/%3E%3C/g%3E%3C/svg%3E")}

/* discover Hamamatsu */
.hm-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.hm-card{background:var(--card);border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .4s cubic-bezier(.2,.7,.2,1),box-shadow .4s ease}
.hm-card:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(var(--ink-rgb),.12)}
.hm-img{aspect-ratio:16/10;overflow:hidden;background:var(--tint-1)}
.hm-img img{width:100%;height:100%;object-fit:cover;transition:transform .8s ease}
.hm-card:hover .hm-img img{transform:scale(1.05)}
.hm-kanji{display:grid;place-items:center;background:radial-gradient(circle at 30% 25%,var(--tint-0),var(--tint-2) 75%)}
.hm-kanji span{font-family:"Hiragino Mincho ProN","Yu Mincho","YuMincho","Noto Serif JP",serif;font-weight:700;font-size:110px;color:var(--ink);opacity:.85}
.hm-card:nth-child(8) .hm-kanji{background:radial-gradient(circle at 30% 25%,var(--warm-0),var(--warm-1) 75%)}
.hm-card:nth-child(8) .hm-kanji span{color:var(--warm)}
.hm-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.hm-body h3{margin:0;font-size:18px}
.hm-body p{margin:0;font-size:14.5px;line-height:1.65;color:var(--body)}
.hm-body .hm-credit{margin-top:auto;padding-top:6px;font-size:11.5px;color:var(--muted)}
@media (prefers-reduced-motion: reduce){ .petals{display:none} }

.hanko{writing-mode:horizontal-tb;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;line-height:1;font-size:18px;padding:0}
.hanko b{font-weight:700;display:block}
@media(min-width:1100px){ .hm-grid{grid-template-columns:repeat(4,1fr)} .hm-body h3{font-size:17px} .hm-body p{font-size:14px} }
@media(max-width:900px){ .hanko{display:none} }

/* ════════ one flowing page ════════ */
html{scroll-behavior:smooth}
.panel{animation:none;padding-top:clamp(56px,7vw,96px);scroll-margin-top:76px}
.panel + .panel{border-top:1px solid rgba(var(--ink-rgb),.07)}
#home{padding-top:clamp(40px,5vw,64px)}
.nav-cta{box-shadow:0 6px 16px rgba(var(--ink-rgb),.22)}
@media (prefers-reduced-motion: reduce){ html{scroll-behavior:auto} }

.actionbar{transition:transform .35s ease}
.actionbar.away{transform:translateY(130%)}
@media(max-width:900px){
  .topline .tl-item:first-child span{display:inline !important}
  .topline .tl-item:nth-child(3){display:none}
}

/* coming to Hamamatsu */
.sub-title{margin:30px 0 14px;font-size:19px}
.routes .route h3{margin:2px 0 8px}
.route-links{display:flex;flex-wrap:wrap;gap:8px 18px;margin:12px 0 0;font-size:14px;font-weight:700}
.tips{margin:0;padding-left:18px;display:grid;gap:8px}
.tips li{line-height:1.6;color:var(--body)}
.tips b{color:var(--ink)}

.closer{position:relative;overflow:hidden}
.closer > .wrap{position:relative;z-index:1}

/* ════════ colour palettes (html data-theme) ════════ */
:root,html[data-theme="ai"]{--ink:#0B2A5B;--ink-2:#0E356D;--body:#41597F;--muted:#798AA5;--muted-2:#8CAFDA;--paper:#EEF3F9;--card:#FFFFFF;--line:#D8E4F2;--line-soft:#E6EDF7;--line-2:#C8D9ED;--primary:#1A5FB4;--primary-2:#487FC3;--sun:#719CD0;--teal:#1A5FB4;--orange:#1A5FB4;--ok:#1A5FB4;--tint-0:#F4F7FB;--tint-1:#E6EDF7;--tint-2:#D6E2F2;--tint-3:#C3D5EC;--tint-4:#9FBCE0;--warm:#B8392E;--warm-0:#FBF5F5;--warm-1:#F1D7D5;--ink-rgb:11,42,91;--primary-rgb:26,95,180;--paper-rgb:246,249,252;--warm-rgb:184,57,46;--petal-1:#F7CAD6;--petal-2:#FBE1E8;--petal-3:#FFFFFF}
html[data-theme="sakura"]{--ink:#3A2430;--ink-2:#552E3F;--body:#65545E;--muted:#93878D;--muted-2:#E0AABC;--paper:#FBF2F5;--card:#FFFFFF;--line:#F5E2E8;--line-soft:#F8ECF0;--line-2:#F0D6DF;--primary:#C2557A;--primary-2:#CE7795;--sun:#D996AD;--teal:#C2557A;--orange:#C2557A;--ok:#C2557A;--tint-0:#FCF6F8;--tint-1:#F8ECF0;--tint-2:#F4E0E7;--tint-3:#EFD3DC;--tint-4:#E5B8C7;--warm:#C2557A;--warm-0:#FCF6F8;--warm-1:#F3DDE4;--ink-rgb:58,36,48;--primary-rgb:194,85,122;--paper-rgb:253,248,250;--warm-rgb:194,85,122;--petal-1:#F6C3D3;--petal-2:#FBE0E8;--petal-3:#FFFFFF}
html[data-theme="ume"]{--ink:#2D1422;--ink-2:#451A2E;--body:#5B4853;--muted:#8C7E85;--muted-2:#D198AF;--paper:#FAF1F4;--card:#FFFFFF;--line:#EFDCE4;--line-soft:#F5E8ED;--line-2:#E9CDD9;--primary:#A3305F;--primary-2:#B5597F;--sun:#C67F9C;--teal:#A3305F;--orange:#A3305F;--ok:#A3305F;--tint-0:#FAF5F7;--tint-1:#F5E8ED;--tint-2:#EEDAE2;--tint-3:#E7C9D5;--tint-4:#D8A8BC;--warm:#A3305F;--warm-0:#FAF5F7;--warm-1:#EDD6DF;--ink-rgb:45,20,34;--primary-rgb:163,48,95;--paper-rgb:252,248,250;--warm-rgb:163,48,95;--petal-1:#F2B6CB;--petal-2:#F9DCE6;--petal-3:#FFFFFF}
html[data-theme="shu"]{--ink:#2B1A16;--ink-2:#47221A;--body:#5A4C49;--muted:#8A817F;--muted-2:#DCA094;--paper:#FBF3EE;--card:#FFFFFF;--line:#F3DFDB;--line-soft:#F7EAE8;--line-2:#EED1CC;--primary:#B8402A;--primary-2:#D2694F;--sun:#E39A84;--teal:#B8402A;--orange:#B8402A;--ok:#B8402A;--tint-0:#FBF5F4;--tint-1:#F7EAE8;--tint-2:#F2DDD9;--tint-3:#EDCDC8;--tint-4:#E1AFA6;--warm:#C4472B;--warm-0:#FCF6F4;--warm-1:#F3DAD5;--ink-rgb:43,26,22;--primary-rgb:184,64,42;--paper-rgb:253,249,246;--warm-rgb:196,71,43;--petal-1:#F7CAD6;--petal-2:#FBE1E8;--petal-3:#FFFFFF}
html[data-theme="matcha"]{--ink:#24331C;--ink-2:#304422;--body:#54604E;--muted:#878F82;--muted-2:#AEC49C;--paper:#F2F5EC;--card:#FFFFFF;--line:#E4EBDE;--line-soft:#EDF2E9;--line-2:#D8E3D0;--primary:#5E8A3A;--primary-2:#7EA161;--sun:#9BB685;--teal:#5E8A3A;--orange:#5E8A3A;--ok:#5E8A3A;--tint-0:#F7F9F5;--tint-1:#EDF2E9;--tint-2:#E2EADC;--tint-3:#D5E1CC;--tint-4:#BBCEAC;--warm:#B8392E;--warm-0:#FBF5F5;--warm-1:#F1D7D5;--ink-rgb:36,51,28;--primary-rgb:94,138,58;--paper-rgb:248,250,246;--warm-rgb:184,57,46;--petal-1:#F7CAD6;--petal-2:#FBE1E8;--petal-3:#FFFFFF}
html[data-theme="umi"]{--ink:#10353A;--ink-2:#134449;--body:#456165;--muted:#7C9093;--muted-2:#8EBFC2;--paper:#ECF5F5;--card:#FFFFFF;--line:#D9E9EA;--line-soft:#E6F1F2;--line-2:#C9E0E2;--primary:#1E7F86;--primary-2:#4B999E;--sun:#74B0B4;--teal:#1E7F86;--orange:#1E7F86;--ok:#1E7F86;--tint-0:#F4F9F9;--tint-1:#E6F1F2;--tint-2:#D7E8E9;--tint-3:#C4DEE0;--tint-4:#A0C9CC;--warm:#C4472B;--warm-0:#FCF6F4;--warm-1:#F3DAD5;--ink-rgb:16,53,58;--primary-rgb:30,127,134;--paper-rgb:246,250,250;--warm-rgb:196,71,43;--petal-1:#F7CAD6;--petal-2:#FBE1E8;--petal-3:#FFFFFF}
html[data-theme="fuji"]{--ink:#261F44;--ink-2:#342B5A;--body:#56506D;--muted:#888498;--muted-2:#B6ADD8;--paper:#F5F2FA;--card:#FFFFFF;--line:#E6E3F2;--line-soft:#EFEDF6;--line-2:#DCD8EC;--primary:#6E5BB0;--primary-2:#8B7CC0;--sun:#A599CE;--teal:#6E5BB0;--orange:#6E5BB0;--ok:#6E5BB0;--tint-0:#F8F7FB;--tint-1:#EFEDF6;--tint-2:#E5E1F1;--tint-3:#D9D4EA;--tint-4:#C2BADE;--warm:#A3305F;--warm-0:#FAF5F7;--warm-1:#EDD6DF;--ink-rgb:38,31,68;--primary-rgb:110,91,176;--paper-rgb:250,248,252;--warm-rgb:163,48,95;--petal-1:#E3D4F3;--petal-2:#F1E8FA;--petal-3:#FFFFFF}
html[data-theme="kin"]{--ink:#14213D;--ink-2:#2B2F39;--body:#485268;--muted:#7E8594;--muted-2:#C2B294;--paper:#F4F1EA;--card:#FFFFFF;--line:#EAE5DB;--line-soft:#F2EEE8;--line-2:#E2DACC;--primary:#86662A;--primary-2:#B8913F;--sun:#CDAE6B;--teal:#86662A;--orange:#86662A;--ok:#86662A;--tint-0:#F9F7F4;--tint-1:#F2EEE8;--tint-2:#E9E3D9;--tint-3:#E0D7C8;--tint-4:#CCBFA6;--warm:#A8823A;--warm-0:#FBF9F5;--warm-1:#EEE6D8;--ink-rgb:20,33,61;--primary-rgb:134,102,42;--paper-rgb:250,248,244;--warm-rgb:168,130,58;--petal-1:#F7CAD6;--petal-2:#FBE1E8;--petal-3:#FFFFFF}
html[data-theme="kinari"]{--ink:#1F1C19;--ink-2:#312920;--body:#504E4C;--muted:#848280;--muted-2:#BCAD9C;--paper:#F5F0E6;--card:#FFFFFF;--line:#E8E3DE;--line-soft:#F0EDE9;--line-2:#DFD8D0;--primary:#7A5B3A;--primary-2:#957C61;--sun:#AD9985;--teal:#7A5B3A;--orange:#7A5B3A;--ok:#7A5B3A;--tint-0:#F8F7F5;--tint-1:#F0EDE9;--tint-2:#E7E1DC;--tint-3:#DCD4CC;--tint-4:#C7BAAC;--warm:#B8392E;--warm-0:#FBF5F5;--warm-1:#F1D7D5;--ink-rgb:31,28,25;--primary-rgb:122,91,58;--paper-rgb:250,248,242;--warm-rgb:184,57,46;--petal-1:#F7CAD6;--petal-2:#FBE1E8;--petal-3:#FFFFFF}
html[data-theme="sumi"]{--ink:#1B1B1D;--ink-2:#222327;--body:#4D4D4F;--muted:#828283;--muted-2:#9EA0A8;--paper:#F3F3F1;--card:#FFFFFF;--line:#DEDFE1;--line-soft:#EAEAEC;--line-2:#D0D2D5;--primary:#3D4250;--primary-2:#646873;--sun:#878A92;--teal:#3D4250;--orange:#3D4250;--ok:#3D4250;--tint-0:#F5F6F6;--tint-1:#EAEAEC;--tint-2:#DCDDE0;--tint-3:#CDCED2;--tint-4:#AEB0B6;--warm:#B8392E;--warm-0:#FBF5F5;--warm-1:#F1D7D5;--ink-rgb:27,27,29;--primary-rgb:61,66,80;--paper-rgb:249,249,248;--warm-rgb:184,57,46;--petal-1:#F7CAD6;--petal-2:#FBE1E8;--petal-3:#FFFFFF}

.palette{position:fixed;left:16px;bottom:16px;z-index:200;background:#fff;border:1px solid var(--line);border-radius:18px;
  box-shadow:0 18px 40px rgba(var(--ink-rgb),.22);padding:14px 14px 10px;width:240px;font-size:13px}
.palette b{display:block;margin:0 0 8px;color:var(--ink);font-size:13.5px}
.palette button{display:flex;align-items:center;gap:10px;width:100%;padding:6px 8px;border:0;border-radius:10px;background:none;cursor:pointer;
  font:inherit;color:var(--body);text-align:left}
.palette button:hover{background:var(--tint-1)}
.palette button[aria-pressed="true"]{background:var(--tint-2);color:var(--ink);font-weight:700}
.palette .sw{display:flex;flex:none}
.palette .sw i{width:14px;height:22px;display:block}
.palette .sw i:first-child{border-radius:6px 0 0 6px}.palette .sw i:last-child{border-radius:0 6px 6px 0}
.palette .hide{margin-top:6px;color:var(--muted);font-size:12px;justify-content:center}
@media(max-width:640px){ .palette{left:8px;right:8px;width:auto;bottom:84px;max-height:46vh;overflow:auto} }

.closer{position:relative;overflow:hidden}
.closer > .wrap{position:relative;z-index:1}

/* keep the torii in view whatever the screen width */
.masthead::before{background-position:80% 62% !important}

/* phones: the header photo fills the top of the screen and melts into the page before the title */
.hero-photo{display:none}
@media(max-width:760px){
  .masthead{background:var(--paper)}
  .masthead::before{display:block;inset:0 0 auto 0;height:min(122vw,480px);
    background-image:url('hero-lake-phone.jpg') !important;background-size:cover;background-position:58% 50% !important;animation:none}
  .masthead::after{background:linear-gradient(180deg,
      rgba(var(--paper-rgb),.06) 0px, rgba(var(--paper-rgb),0) min(78vw,300px),
      rgba(var(--paper-rgb),.75) min(102vw,400px), rgba(var(--paper-rgb),1) min(120vw,470px), rgba(var(--paper-rgb),1) 100%)}
  .masthead .topline{background:rgba(var(--paper-rgb),.78);border-radius:999px;padding:8px 14px;margin-top:10px;border:0;
    -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
  .masthead .topline + *{margin-top:min(84vw,330px)}
}

/* ════════════════ motion, in the spirit of the FRPT site ════════════════ */
/* reading progress line and back-to-top ring */
.progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:300;transform-origin:0 50%;transform:scaleX(0);
  background:linear-gradient(90deg,var(--primary),var(--sun));pointer-events:none}
.totop{position:fixed;right:22px;bottom:22px;z-index:120;width:52px;height:52px;border-radius:50%;border:0;cursor:pointer;
  background:#fff;color:var(--ink);box-shadow:0 10px 26px rgba(var(--ink-rgb),.2);display:grid;place-items:center;
  opacity:0;transform:translateY(16px) scale(.9);pointer-events:none;transition:opacity .35s ease,transform .35s cubic-bezier(.2,.8,.3,1.3)}
.totop.show{opacity:1;transform:none;pointer-events:auto}
.totop:hover{transform:translateY(-3px)}
.totop svg.ring{position:absolute;inset:0;width:100%;height:100%;transform:rotate(-90deg)}
.totop .ring circle{fill:none;stroke-width:3}
.totop .ring .track{stroke:var(--line)}
.totop .ring .bar{stroke:var(--primary);stroke-linecap:round;stroke-dasharray:138.2;stroke-dashoffset:138.2}
.totop .arrow{width:18px;height:18px;position:relative}
@media(max-width:760px){ .totop{bottom:96px;right:14px;width:46px;height:46px} }

/* the menu tightens once you scroll */
.nav .nav-inner{transition:padding .3s ease}
.nav.stuck .nav-inner{padding-top:0;padding-bottom:0}
.nav.stuck{background:rgba(255,255,255,.96)}

/* elements arrive from the side they sit on */
.reveal.from-left{transform:translateX(-46px)}
.reveal.from-right{transform:translateX(46px)}
.reveal.zoom{transform:scale(.9)}
.reveal.from-left.in,.reveal.from-right.in,.reveal.zoom.in{transform:none;transition:opacity .7s ease,transform .8s cubic-bezier(.2,.75,.25,1)}

/* line icons: drawn when they appear, a full turn when the card is hovered */
.icon{width:54px;height:54px;color:var(--primary);display:block;margin:0 0 14px}
.icon *{fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;
  stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset 1.5s cubic-bezier(.4,.1,.2,1) .25s}
.in .icon *,.icon.drawn *{stroke-dashoffset:0}
/* each icon moves in a way that means something */
.icon g,.icon path,.icon circle{transform-box:view-box}
@keyframes redraw{0%{stroke-dashoffset:1}100%{stroke-dashoffset:0}}
/* lipid: the fatty acid tails sway, the polar head bobs */
@keyframes spin{to{transform:rotate(360deg)}}
.icon.lipid .t1{transform-origin:21px 17px}
.icon.lipid .t2{transform-origin:27px 17px}
.icon.lipid .head{transform-origin:24px 17px}
.card:hover .icon.lipid .t1{animation:sway 1.1s ease-in-out}
.card:hover .icon.lipid .t2{animation:sway 1.1s ease-in-out reverse}
.card:hover .icon.lipid .head{animation:bob 1.1s ease-in-out}
@keyframes sway{0%,100%{transform:rotate(0)}25%{transform:rotate(9deg)}75%{transform:rotate(-9deg)}}
@keyframes bob{0%,100%{transform:translateY(0)}30%{transform:translateY(-2.5px)}60%{transform:translateY(1px)}}
/* DNA: the helix twists like it turns in 3D */
.icon.helix .twist{transform-origin:24px 24px}
.card:hover .icon.helix .twist{animation:twist 1.3s ease-in-out}
@keyframes twist{0%{transform:scaleX(1)}25%{transform:scaleX(.15)}50%{transform:scaleX(-1)}75%{transform:scaleX(.15)}100%{transform:scaleX(1)}}
/* beam: pulses shot from the accelerator, the target answers with a wave */
.card:hover .icon.beam .shot{stroke-dasharray:.16 .1;animation:shoot .45s linear 3}
@keyframes shoot{from{stroke-dashoffset:.52}to{stroke-dashoffset:0}}
.icon.beam .wave{transform-origin:38px 24px}
.card:hover .icon.beam .wave{animation:impact .45s ease-out .1s 3}
@keyframes impact{0%{transform:scale(.5);opacity:1}100%{transform:scale(1.6);opacity:0}}
/* treatment machine: the beam fires down onto the patient */
.card:hover .icon.linac .ray{stroke-width:3;animation:fire .5s ease-out 2}
@keyframes fire{0%{stroke-dashoffset:1;opacity:1}60%{stroke-dashoffset:0;opacity:1}100%{stroke-dashoffset:0;opacity:.35}}
/* ticket: stamped */
.icon.ticket .body{transform-origin:24px 25px}
.card:hover .icon.ticket .body{animation:stamp .55s cubic-bezier(.3,1.6,.5,1)}
.card:hover .icon.ticket .tick{animation:redraw .6s ease .15s backwards}
@keyframes stamp{0%{transform:scale(1) rotate(0)}40%{transform:scale(.86) rotate(-6deg)}100%{transform:scale(1) rotate(0)}}
/* page: the lines get written one after the other */
.card:hover .icon.doc .line{animation:redraw .45s ease backwards}
.card:hover .icon.doc .l2{animation-delay:.25s}
.card:hover .icon.doc .l3{animation-delay:.5s}
/* clock: the hands go round */
.icon.clock .hand,.icon.clock .hand2{transform-origin:24px 26px}
.card:hover .icon.clock .hand{animation:spin 1.2s ease-in-out}
.card:hover .icon.clock .hand2{animation:spin 2.4s ease-in-out}

/* buttons: a ripple where you click, a light sweep on the dark ones, a small press */
.btn{position:relative;overflow:hidden;isolation:isolate}
.btn:active{transform:scale(.96)}
.btn .rip{position:absolute;border-radius:50%;pointer-events:none;transform:scale(0);opacity:.55;z-index:-1;
  background:rgba(255,255,255,.55);animation:rip .65s ease-out forwards}
.btn.ghost .rip{background:rgba(var(--primary-rgb),.25)}
@keyframes rip{to{transform:scale(1);opacity:0}}
.btn:not(.ghost)::after{content:"";position:absolute;top:0;bottom:0;left:-70%;width:45%;z-index:-1;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.28),transparent);transform:skewX(-20deg);transition:left .75s ease}
.btn:not(.ghost):hover::after{left:135%}
.lang-btn{transition:transform .2s cubic-bezier(.3,1.6,.5,1)}
.lang-btn:active{transform:scale(.88)}

/* cards lean towards the mouse, with a soft light following it */
.tilt{transform-style:preserve-3d;will-change:transform;transition:transform .5s cubic-bezier(.2,.75,.25,1),box-shadow .4s ease}
.tilt.tilting{transition:transform .08s linear,box-shadow .4s ease}
.tilt::before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;z-index:2;opacity:0;transition:opacity .3s ease;
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,50%),rgba(255,255,255,.38),transparent 45%)}
.tilt.tilting::before{opacity:1}
.speaker,.hotel-card,.hm-card,.member,.card{position:relative}

/* live countdown under the key facts */
.fact.count dd{display:flex;gap:6px;flex-wrap:wrap}
.cd-box{display:inline-flex;align-items:baseline;gap:3px;background:var(--tint-1);border-radius:10px;padding:5px 9px;font-variant-numeric:tabular-nums}
.cd-box b{font-size:19px;color:var(--ink)}
.cd-box i{font-style:normal;font-size:11.5px;color:var(--muted)}
.cd-box.sec b{color:var(--primary)}

/* the header photo softens and blurs as you scroll past it */
.masthead::before{filter:blur(var(--hero-blur,0px));opacity:var(--hero-fade,1);translate:0 var(--hero-shift,0px)}

/* the venue pin breathes, the hovered hotel lights up on the map */
.pin.venue::before{animation:breathe 2.4s ease-out infinite}
@keyframes breathe{0%{box-shadow:0 0 0 0 rgba(var(--primary-rgb),.5)}100%{box-shadow:0 0 0 16px rgba(var(--primary-rgb),0)}}
.pin.hpin{transition:background .25s ease,box-shadow .25s ease}
.pin.hpin.hot{background:var(--ink) !important;box-shadow:0 0 0 7px rgba(var(--primary-rgb),.28),0 6px 16px rgba(var(--ink-rgb),.35)}

/* particles drifting in the closing band, linking up near the mouse */
.particles{position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}

@media (prefers-reduced-motion: reduce){
  .reveal.from-left,.reveal.from-right,.reveal.zoom{transform:none}
  .icon *{stroke-dashoffset:0;transition:none}
  .card:hover .icon *,.card:hover .icon g,.pin.venue::before{animation:none !important}
  .btn:not(.ghost)::after,.tilt::before,.particles{display:none}
  .masthead::before{filter:none;opacity:1;translate:none}
}

/* cell: on hover the whole cell swells softly and the organelles get busier */
.icon.cell{overflow:visible}
.icon.cell .membrane{transform-origin:24px 24px}
.card:hover .icon.cell .membrane{animation:swell 1.4s ease-in-out}
.card:hover .icon.cell .ves{animation:jiggle .7s ease-in-out 2}
@keyframes swell{0%,100%{transform:scale(1)}45%{transform:scale(1.07,.95)}70%{transform:scale(.97,1.04)}}
@keyframes jiggle{0%,100%{translate:0 0}25%{translate:1.5px -1px}50%{translate:-1px 1.5px}75%{translate:1px 1px}}
/* the header photo: a gentler zoom keeps it sharper */
@keyframes slowzoom{from{transform:scale(1)}to{transform:scale(1.03)}}

/* Lake Hamana sunset: keep the sun and the horizon in view */
.masthead::before{background-position:62% 45% !important}
@media(max-width:760px){ .masthead::before{background-position:50% 40% !important} }

/* ════════════════ Cherenkov light on the word FLASH ════════════════ */
.flash-word{position:relative;display:inline-block;color:var(--ink);
  background:linear-gradient(100deg,var(--ink) 0%,var(--ink) 42%,#bfe3ff 48%,#5fb1ff 50%,#bfe3ff 52%,var(--ink) 58%,var(--ink) 100%);
  background-size:320% 100%;background-position:100% 0;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  animation:cherenkov 9s ease-in-out 1.2s infinite}
.flash-word::after{content:"";position:absolute;inset:-8% -4%;border-radius:20px;pointer-events:none;opacity:0;
  background:radial-gradient(60% 70% at 50% 55%,rgba(80,165,255,.35),rgba(80,165,255,0) 70%);filter:blur(8px);animation:cherenkovGlow 9s ease-in-out 1.2s infinite}
h1.title:hover .flash-word,h1.title:hover .flash-word::after{animation-duration:2.2s}
@keyframes cherenkov{0%{background-position:100% 0}10%{background-position:0 0}100%{background-position:0 0}}
@keyframes cherenkovGlow{0%,3%{opacity:0}6%{opacity:1}14%{opacity:0}100%{opacity:0}}

/* ════════════════ interactive dose delivery ════════════════ */
.dose-demo .dose-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:6px}
.dose-demo .trace-title{margin:0}
.lane{display:grid;grid-template-columns:150px 1fr 104px;align-items:center;gap:14px;padding:8px 0}
.lane + .lane{border-top:1px solid rgba(var(--ink-rgb),.08)}
.lane-lbl b{display:block;font-size:15px;color:var(--ink)}
.lane.flash .lane-lbl b{color:var(--primary)}
.lane-lbl span{font-size:12.5px;color:var(--muted)}
.block{position:relative;height:46px;border-radius:12px;overflow:hidden;
  background:linear-gradient(180deg,#22171A,#14101A);box-shadow:inset 0 0 0 1px rgba(255,255,255,.06)}
.block .fill{position:absolute;inset:0 auto 0 0;width:0;border-radius:12px;background:linear-gradient(90deg,rgba(var(--primary-rgb),.55),rgba(var(--primary-rgb),.9))}
.lane.flash .block .fill{background:linear-gradient(90deg,#7fc4ff,#d9efff)}
.block .lich{position:absolute;inset:0;width:100%;height:100%}
.lane.flash.fire .block{animation:cherenkovFlash 1.2s ease-out}
@keyframes cherenkovFlash{0%{box-shadow:inset 0 0 0 1px rgba(255,255,255,.06),0 0 0 0 rgba(90,170,255,0)}
  12%{box-shadow:inset 0 0 0 1px rgba(170,215,255,.9),0 0 34px 10px rgba(90,170,255,.65)}
  100%{box-shadow:inset 0 0 0 1px rgba(255,255,255,.06),0 0 0 0 rgba(90,170,255,0)}}
.readout{display:flex;flex-direction:column;align-items:flex-end;font-variant-numeric:tabular-nums}
.readout b{font-size:17px;color:var(--ink)}
.readout span{font-size:12.5px;color:var(--muted)}
.dose-note{margin:8px 0 0;font-size:12px;color:var(--muted);line-height:1.5}
@media(max-width:640px){ .lane{grid-template-columns:1fr 84px;gap:8px} .lane-lbl{grid-column:1/-1} .block{grid-column:1;height:38px} .dose-demo .dose-head{flex-wrap:wrap} }

/* ════════════════ key figures ════════════════ */
.figures{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:26px 0 30px}
.figure{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:18px 16px;text-align:center;box-shadow:var(--shadow)}
.figure b{display:block;font-family:var(--f-display);font-size:clamp(34px,4vw,46px);line-height:1.05;color:var(--primary);font-variant-numeric:tabular-nums}
.figure span{display:block;margin-top:4px;font-size:14px;color:var(--body)}
@media(max-width:700px){ .figures{grid-template-columns:repeat(2,1fr)} }

/* ════════════════ cards that turn over ════════════════ */
.hm-card.flip{background:none;border:0;box-shadow:none;overflow:visible;perspective:1200px}
.hm-card.flip:hover{transform:none;box-shadow:none}
.flip-inner{display:grid;height:100%;transition:transform .8s cubic-bezier(.3,.9,.3,1);transform-style:preserve-3d}
.face{grid-area:1/1;backface-visibility:hidden;-webkit-backface-visibility:hidden;background:var(--card);border:1px solid var(--line);
  border-radius:20px;overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.face.back{transform:rotateY(180deg);background:linear-gradient(160deg,var(--card),var(--tint-0))}
.face.back .hm-body{justify-content:center;height:100%}
@media(hover:hover){ .hm-card.flip:hover .flip-inner,.hm-card.flip:focus-visible .flip-inner{transform:rotateY(180deg)} }
.hm-card.flip.flipped .flip-inner{transform:rotateY(180deg)}
.jp-word{margin:0;font-family:"Hiragino Mincho ProN","Yu Mincho","YuMincho","Noto Serif JP",serif;font-size:26px;font-weight:700;color:var(--primary);line-height:1.2}
.jp-word span{display:block;font-family:var(--f-body);font-size:12.5px;font-weight:500;color:var(--muted);letter-spacing:.02em}
.turn{margin-top:auto !important;padding-top:6px;font-size:12.5px !important;color:var(--muted) !important}
.face.front .hm-body{gap:6px}

/* ════════════════ registration form that comes alive ════════════════ */
.form-progress{display:flex;align-items:center;gap:12px;margin:0 0 22px;position:sticky;top:64px;z-index:5;
  background:rgba(var(--paper-rgb),.92);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);padding:10px 0}
.fp-track{flex:1;height:8px;border-radius:99px;background:var(--tint-1);overflow:hidden}
.fp-track i{display:block;height:100%;width:0;border-radius:99px;background:linear-gradient(90deg,var(--primary),var(--sun));transition:width .45s cubic-bezier(.2,.8,.3,1)}
.fp-text{font-size:13px;color:var(--muted);white-space:nowrap;font-variant-numeric:tabular-nums}
.form-progress.complete .fp-text{color:var(--primary);font-weight:700}
#regForm .field{position:relative}
#regForm .field.ok input,#regForm .field.ok select{border-color:var(--primary);box-shadow:0 0 0 3px rgba(var(--primary-rgb),.12)}
#regForm .field.ok::after{content:"";position:absolute;right:12px;top:38px;width:18px;height:18px;border-radius:50%;
  background:var(--primary) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 12.5l4 4 8-9' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/12px no-repeat;
  animation:pop .35s cubic-bezier(.3,1.6,.5,1)}
@keyframes pop{0%{transform:scale(0)}100%{transform:scale(1)}}
.done-check{width:76px;height:76px;display:block;margin:0 0 10px}
.done-check *{fill:none;stroke:var(--primary);stroke-width:3;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:1;stroke-dashoffset:1}
#regReceipt:not([hidden]) .done-check circle{animation:redraw .7s ease forwards}
#regReceipt:not([hidden]) .done-check path{animation:redraw .45s ease .55s forwards}

/* ════════════════ language change: a soft fade, flags that turn ════════════════ */
main,.masthead .hero,.nav-inner .tablist{transition:opacity .2s ease}
body.lang-out main,body.lang-out .masthead .hero{opacity:0}
.lang-btn.turning .flag{animation:flagturn .6s ease}
@keyframes flagturn{0%{transform:rotateY(0)}100%{transform:rotateY(360deg)}}

/* ════════════════ magnetic buttons ════════════════ */
.btn.magnet{transition:transform .25s cubic-bezier(.2,.8,.3,1.2),background .25s ease,box-shadow .25s ease}

@media (prefers-reduced-motion: reduce){
  .flash-word,.flash-word::after{animation:none}
  .flip-inner{transition:none}
  main,.masthead .hero{transition:none}
}

.block{height:58px}
.lane.flash .block .fill{background:linear-gradient(90deg,rgba(40,110,225,.55),rgba(60,140,255,.38))}
@media(max-width:640px){ .block{height:48px} }

.hm-body .jp-word{color:var(--primary)}
.hm-body .jp-word span{color:var(--muted)}

#regForm .field.ok::after{top:auto;bottom:15px}

/* the FLASH bar back to its bright look */
.lane.flash .block .fill{background:linear-gradient(90deg,#7fc4ff,#d9efff)}
/* key figures on a dark acrylic panel, with the Lichtenberg figure as decoration */
.figures-panel{position:relative;overflow:hidden;border-radius:24px;margin:26px 0 30px;cursor:pointer;
  background:radial-gradient(120% 140% at 0% 50%,#1d2a44 0%,#141a2c 45%,#110f18 100%);box-shadow:0 18px 40px rgba(var(--ink-rgb),.22)}
.figures-panel .lich-deco{position:absolute;inset:0;width:100%;height:100%;opacity:.75;pointer-events:none}
.figures-panel .figures{position:relative;z-index:1;margin:0;padding:clamp(18px,3vw,30px)}
.figures-panel .figure{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);box-shadow:none;
  -webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}
.figures-panel .figure b{color:#fff;text-shadow:0 0 18px rgba(110,185,255,.55)}
.figures-panel .figure span{color:rgba(225,236,255,.8)}
.figures-panel .figure{background:rgba(255,255,255,.035);-webkit-backdrop-filter:none;backdrop-filter:none}
.figures-panel .lich-deco{opacity:.85}
.figures-panel .figure{background:rgba(14,18,32,.45)}
.figures-panel .figure span{text-shadow:0 1px 6px rgba(0,0,0,.6)}

/* phones and tablets */
html,body{overflow-x:clip}
@supports not (overflow:clip){ body{overflow-x:hidden} }
@media(max-width:900px){
  .totop{bottom:96px;right:14px;width:46px;height:46px}
  .reveal.from-left{transform:translateX(-22px)}
  .reveal.from-right{transform:translateX(22px)}
  .figures-panel .lich-deco{opacity:.55}
  .figures-panel .figure{background:rgba(14,18,32,.6)}
}

/* who is coming: the world map */
.who{margin:0 0 30px;background:var(--card);border:1px solid var(--line);border-radius:22px;padding:18px 20px 14px;box-shadow:var(--shadow)}
.who-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:6px 16px}
.who-head .kicker{margin:0}
.who-line{margin:0;font-size:15px;font-weight:700;color:var(--ink)}
.worldmap{margin:10px 0 6px}
.wmap{width:100%;height:auto;display:block}
.wmap path{fill:var(--tint-2);stroke:#fff;stroke-width:.5;transition:fill .6s ease}
.wmap path.lit{fill:var(--tint-4)}
.wmap .dot{animation:dotin .6s cubic-bezier(.3,1.5,.5,1) both}
.wmap .dot .core{fill:var(--primary)}
.wmap .dot .halo{fill:none;stroke:var(--primary);stroke-width:1.5;transform-box:fill-box;transform-origin:center;animation:halo 2.4s ease-out infinite}
@keyframes dotin{from{opacity:0;transform:scale(.2);transform-box:fill-box;transform-origin:center}to{opacity:1;transform:scale(1)}}
@keyframes halo{0%{transform:scale(1);opacity:.8}100%{transform:scale(2.6);opacity:0}}
.who-note{margin:4px 0 0;font-size:12px;color:var(--muted)}
#regForm select,#absForm select{appearance:auto}
@media (prefers-reduced-motion: reduce){ .wmap .dot,.wmap .dot .halo{animation:none} }

/* the richer world map */
.worldmap{position:relative;border-radius:16px;overflow:hidden;background:radial-gradient(120% 100% at 50% 0%,#FFF9F5 0%,#FBF3EE 55%,#F6E8E0 100%);box-shadow:inset 0 0 0 1px var(--line),inset 0 -20px 40px rgba(var(--primary-rgb),.05)}
.wmap .od{fill:rgba(var(--primary-rgb),.16)}
.wmap .graticule path{fill:none;stroke:rgba(var(--ink-rgb),.08);stroke-width:.5;stroke-dasharray:2 3}
.wmap .land path{fill:var(--tint-2);stroke:#fff;stroke-width:.5;transition:fill .6s ease}
.wmap .land{filter:url(#landShadow)}
.wmap .land path.lit{fill:url(#litGrad)}
.wmap .lit0{stop-color:var(--tint-4)}.wmap .lit1{stop-color:var(--sun)}
.wmap .arc0{stop-color:var(--primary);stop-opacity:.2}.wmap .arc1{stop-color:var(--primary);stop-opacity:.9}
.wmap .arc path{fill:none;stroke:url(#arcGrad);stroke-width:1.1;stroke-linecap:round;stroke-dasharray:1;stroke-dashoffset:1;animation:arcdraw 1.6s cubic-bezier(.3,.6,.3,1) var(--delay,0ms) forwards}
@keyframes arcdraw{to{stroke-dashoffset:0}}
.wmap .arc .spark{fill:#fff;stroke:var(--primary);stroke-width:1.2;filter:url(#glow)}
.wmap .dot .core{fill:var(--primary);filter:url(#glow)}
.wmap .dot text{font-family:var(--f-body);font-size:7px;font-weight:700;fill:#fff;text-anchor:middle;dominant-baseline:middle;pointer-events:none}
.wmap .dot{cursor:default}
.wmap .beacon .core{fill:var(--ink)}
.wmap .beacon .ring{fill:none;stroke:var(--ink);stroke-width:1;transform-box:fill-box;transform-origin:center;animation:beacon 2.8s ease-out infinite}
.wmap .beacon .r2{animation-delay:1.4s}
.wmap .beacon text{font-family:var(--f-body);font-size:9px;font-weight:700;fill:var(--ink)}
@keyframes beacon{0%{transform:scale(.4);opacity:.9}100%{transform:scale(3.2);opacity:0}}
.map-tip{position:absolute;z-index:3;background:var(--ink);color:#fff;font-size:12.5px;padding:6px 10px;border-radius:8px;pointer-events:none;white-space:nowrap;box-shadow:0 8px 20px rgba(var(--ink-rgb),.25)}
.map-legend{position:absolute;left:12px;bottom:10px;display:flex;gap:14px;font-size:11.5px;color:var(--muted);background:rgba(255,255,255,.75);padding:6px 10px;border-radius:999px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}
.map-legend span{display:inline-flex;align-items:center;gap:6px}
.map-legend i{display:inline-block;border-radius:50%;background:var(--primary)}
.map-legend i.s{width:7px;height:7px}.map-legend i.l{width:13px;height:13px}.map-legend i.b{width:8px;height:8px;background:var(--ink);box-shadow:0 0 0 3px rgba(var(--ink-rgb),.2)}
@media(max-width:640px){ .map-legend{position:static;margin:8px 0 0;flex-wrap:wrap;border-radius:12px} }
@media (prefers-reduced-motion: reduce){ .wmap .arc path{animation:none;stroke-dashoffset:0} .wmap .beacon .ring{animation:none} }
.wmap .beacon text{text-anchor:end}

/* ════════════════ the pulse scope ════════════════ */
.scope{position:relative;background:linear-gradient(180deg,#1f1518,#120f17);border-radius:16px;padding:10px 14px;margin:6px 0 10px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.06)}
.lane-scope{display:grid;grid-template-columns:150px 1fr 150px;align-items:center;gap:14px;padding:6px 0}
.lane-scope + .lane-scope{border-top:1px solid rgba(255,255,255,.07)}
.lane-scope .lane-lbl b{display:block;font-size:15px;color:#fff}
.lane-scope.flash .lane-lbl b{color:#ffb39f}
.lane-scope .lane-lbl .rate{font-size:12.5px;color:rgba(255,255,255,.55);font-variant-numeric:tabular-nums}
.lane-scope.flash.below .lane-lbl b::after{content:" ·";color:transparent}
.trace-svg{width:100%;height:72px;display:block}
.trace-svg .grid line{stroke:rgba(255,255,255,.08);stroke-width:1}
.trace-svg .grid .axis{stroke:rgba(255,255,255,.22)}
.trace-svg .pulses rect{fill:rgba(255,255,255,.22);transition:fill .25s ease}
.lane-scope.conv .pulses rect.lit{fill:#e8826b}
.lane-scope.flash .pulses rect.lit{fill:#9fd6ff;filter:drop-shadow(0 0 4px rgba(120,190,255,.9))}
.trace-svg .sweep{stroke:#fff;stroke-width:1.2;opacity:0;transition:opacity .2s}
.trace-svg .sweep.on{opacity:.8}
.lane-scope .readout{text-align:right;font-variant-numeric:tabular-nums}
.lane-scope .readout b{display:block;font-size:17px;color:#fff}
.lane-scope .readout span{font-size:11.5px;color:rgba(255,255,255,.55);line-height:1.3;display:block}
.lane-scope.flash.fire .trace-svg{animation:scopeflash 1s ease-out}
@keyframes scopeflash{0%{filter:drop-shadow(0 0 0 rgba(90,170,255,0))}15%{filter:drop-shadow(0 0 14px rgba(90,170,255,.9))}100%{filter:drop-shadow(0 0 0 rgba(90,170,255,0))}}
.slider-row{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:14px;margin:6px 0 4px}
.slider-row label{font-size:13.5px;font-weight:700;color:var(--ink)}
.slider-row output{font-size:13.5px;font-variant-numeric:tabular-nums;color:var(--primary);font-weight:700;min-width:120px;text-align:right}
#rateSlider{-webkit-appearance:none;appearance:none;width:100%;height:6px;border-radius:99px;background:linear-gradient(90deg,var(--tint-3),var(--primary) 52%,#5fb1ff);outline:none}
#rateSlider::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;background:#fff;border:3px solid var(--primary);box-shadow:0 2px 8px rgba(var(--ink-rgb),.25);cursor:pointer}
#rateSlider::-moz-range-thumb{width:22px;height:22px;border-radius:50%;background:#fff;border:3px solid var(--primary);cursor:pointer}
@media(max-width:640px){ .lane-scope{grid-template-columns:1fr 110px;gap:8px} .lane-scope .lane-lbl{grid-column:1/-1;display:flex;gap:10px;align-items:baseline} .trace-svg{height:56px} .slider-row{grid-template-columns:1fr auto} .slider-row label{grid-column:1/-1} }

/* ════════════════ the FLASH effect in one picture: two scenes played together ════════════════ */
.tissue{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:18px 20px 16px;margin:0 0 26px;box-shadow:var(--shadow)}
.tissue-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;flex-wrap:wrap}
.tissue-head .kicker{margin:0 0 4px}
.tissue-sub{margin:0;font-size:14.5px;color:var(--body)}
.scenes{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:14px}
@media(max-width:760px){ .scenes{grid-template-columns:1fr} }
.scene h4{margin:0 0 8px;font-size:15px;color:var(--ink)}
.scene.flash h4{color:var(--primary)}
.scene h4 span{font-weight:500;color:var(--muted);font-size:13px;margin-left:6px}
.stage{position:relative;border-radius:18px;overflow:hidden}
.tissue-svg{width:100%;height:auto;display:block}
.tissue-svg .bg{fill:#FFF5F1}
.tissue-svg .caps path{fill:none;stroke:#F3CBD0;stroke-width:1.6;opacity:.7}
.tissue-svg .lbl{font-family:var(--f-body);font-size:11px;fill:var(--muted)}
/* cells: alive, breathing */
.tissue-svg .cell{transform-box:fill-box;transform-origin:center}
.tissue-svg .cell .body{fill:url(#cellg-conv);stroke:#D98A98;stroke-width:1;transition:fill 1.2s ease var(--d),stroke 1.2s ease var(--d)}
.scene.flash .tissue-svg .cell .body{fill:url(#cellg-flash)}
.tissue-svg .cell .nuc{fill:#C4647A;transition:fill 1.2s ease var(--d)}
.tissue-svg .cell .crack{fill:none;stroke:#5c4f52;stroke-width:1.1;stroke-linecap:round;opacity:0;transition:opacity .8s ease var(--d)}
.tissue.run .scene .cell{animation:breathe-cell 3.2s ease-in-out var(--b) infinite}
@keyframes breathe-cell{50%{transform:scale(1.07)}}
/* conventional, days and weeks later: damage spreads, some cells die, scars appear */
.scene.conv[data-phase="after"] .cell .body,.scene.conv[data-phase="late"] .cell .body{fill:#DDD5D3;stroke:#A99D9B}
.scene.conv[data-phase="after"] .cell .nuc,.scene.conv[data-phase="late"] .cell .nuc{fill:#8D8284}
.scene.conv[data-phase="after"] .cell .crack,.scene.conv[data-phase="late"] .cell .crack{opacity:.95}
.scene.conv[data-phase="after"] .cell,.scene.conv[data-phase="late"] .cell{animation:hurt .9s ease var(--d) both}
@keyframes hurt{0%{transform:scale(1) rotate(0)}30%{transform:scale(.8) rotate(-6deg)}60%{transform:scale(.9) rotate(4deg)}100%{transform:scale(.86) rotate(0)}}
.scene.conv[data-phase="late"] .cell.dies{animation:die 1.4s ease var(--d) both}
@keyframes die{0%{transform:scale(.86);opacity:1}60%{transform:scale(.5);opacity:.5}100%{transform:scale(.25);opacity:.1}}
.tissue-svg .scars path{fill:none;stroke:#8f8486;stroke-width:2.2;stroke-linecap:round;stroke-dasharray:1;stroke-dashoffset:1;opacity:.75}
.scene.conv[data-phase="late"] .scars path{animation:scar 1.2s ease var(--d) forwards}
@keyframes scar{to{stroke-dashoffset:0}}
/* tumour: alive, then regressing in both scenes */
.tissue-svg .tumour{stroke:#2e1220;stroke-width:1.5;transform-box:fill-box;transform-origin:center;transition:transform 2.2s cubic-bezier(.4,0,.2,1) .3s,opacity 2.2s ease .3s}
.tissue-svg .tglow{fill:rgba(140,40,80,.25);transform-box:fill-box;transform-origin:center;animation:tumpulse 2.4s ease-in-out infinite;transition:opacity 1.5s ease}
@keyframes tumpulse{50%{transform:scale(1.1)}}
.scene[data-phase="after"] .tumour{transform:scale(.72)}
.scene[data-phase="late"] .tumour{transform:scale(.38);opacity:.55}
.scene[data-phase="after"] .tglow,.scene[data-phase="late"] .tglow{opacity:.2}
/* the beam */
.tissue-svg .nozzle rect{fill:#2B1A16}
.tissue-svg .beam{opacity:0;transition:opacity .25s}
.scene[data-phase="beam"] .beam{opacity:1}
.tissue-svg .drop{fill:#ff9c86;opacity:0}
.scene.flash .tissue-svg .drop{fill:#e6f4ff}
.scene.conv[data-phase="beam"] .drop{animation:fall 1.1s linear var(--d) 2}
.scene.flash[data-phase="beam"] .drop{animation:fall .32s ease-in var(--d) 1;filter:drop-shadow(0 0 3px #9fd6ff)}
@keyframes fall{0%{transform:translateY(0);opacity:0}10%{opacity:1}90%{opacity:.9}100%{transform:translateY(150px);opacity:0}}
.scene.conv[data-phase="beam"] .col{animation:colpulse .5s ease-in-out infinite}
@keyframes colpulse{50%{opacity:.55}}
.scene.flash[data-phase="beam"] .col{animation:colflash .5s ease-out .2s both}
@keyframes colflash{0%{opacity:0}30%{opacity:1}100%{opacity:0}}
/* the Cherenkov burst for FLASH */
.tissue-svg .flashfx *{opacity:0;transform-box:fill-box;transform-origin:center}
.tissue-svg .flashfx .core{fill:#fff;filter:drop-shadow(0 0 10px #7fc4ff)}
.tissue-svg .flashfx .ring{fill:none;stroke:#7fc4ff;stroke-width:2}
.scene.flash[data-phase="beam"] .flashfx .core{animation:fcore .7s ease-out .32s both}
.scene.flash[data-phase="beam"] .flashfx .ring{animation:fring 1s ease-out .35s both}
.scene.flash[data-phase="beam"] .flashfx .r2{animation-delay:.55s}
@keyframes fcore{0%{opacity:0;transform:scale(.2)}20%{opacity:1;transform:scale(1.3)}100%{opacity:0;transform:scale(2.4)}}
@keyframes fring{0%{opacity:.9;transform:scale(1)}100%{opacity:0;transform:scale(9)}}
.scene.flash[data-phase="beam"] .stage{animation:stageflash .8s ease-out .3s}
@keyframes stageflash{0%{box-shadow:0 0 0 0 rgba(90,170,255,0)}20%{box-shadow:0 0 36px 6px rgba(90,170,255,.7)}100%{box-shadow:0 0 0 0 rgba(90,170,255,0)}}
/* gauges */
.gauges{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:10px}
.gauge span{display:block;font-size:11.5px;color:var(--muted);margin-bottom:4px}
.gauge i{display:block;height:8px;border-radius:99px;background:var(--tint-1);position:relative;overflow:hidden}
.gauge i::after{content:"";position:absolute;inset:0;width:0;border-radius:99px;transition:width 2.4s cubic-bezier(.3,.7,.3,1),background 1s}
.gauge .g-healthy::after{background:linear-gradient(90deg,#8bd4a2,#3fae6a)}
.gauge .g-tumour::after{background:linear-gradient(90deg,var(--sun),var(--primary))}
.scene[data-phase="idle"] .gauge i::after,.scene[data-phase="beam"] .gauge i::after{width:0}
.scene.conv[data-phase="after"] .g-healthy::after{width:55%}
.scene.conv[data-phase="late"] .g-healthy::after{width:30%;background:linear-gradient(90deg,#f2b2a4,#d35a44)}
.scene.flash[data-phase="after"] .g-healthy::after{width:88%}
.scene.flash[data-phase="late"] .g-healthy::after{width:92%}
.scene[data-phase="after"] .g-tumour::after{width:60%}
.scene[data-phase="late"] .g-tumour::after{width:88%}
/* timeline */
.timeline{position:relative;display:flex;justify-content:space-between;margin:14px 6px 4px;padding-top:12px;font-size:12px;color:var(--muted)}
.timeline .tl-bar{position:absolute;left:0;right:0;top:0;height:4px;border-radius:99px;background:var(--tint-1)}
.timeline .tl-bar::after{content:"";position:absolute;left:0;top:0;bottom:0;width:0;border-radius:99px;background:linear-gradient(90deg,var(--primary),var(--sun))}
.tissue.run .timeline .tl-bar::after{animation:tlrun 9.8s linear .35s forwards}
@keyframes tlrun{0%{width:0}33%{width:35%}62%{width:68%}100%{width:100%}}
.tissue-note{margin:10px 0 0;font-size:12.5px;color:var(--muted)}
.tissue.static .timeline .tl-bar::after{width:100%}
@media (prefers-reduced-motion: reduce){ .tissue .cell,.tissue .tglow,.tissue .drop,.tissue .col,.tissue .flashfx *,.tissue .tl-bar::after{animation:none !important} }
/* ════════════════ the live programme ════════════════ */
.schedule{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin:0 0 28px}
@media(max-width:760px){ .schedule{grid-template-columns:1fr} }
.sched-day{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:18px 20px;box-shadow:var(--shadow)}
.sched-day h3{margin:0 0 12px;font-size:17px}
.slot{display:grid;grid-template-columns:62px 1fr auto;gap:12px;align-items:start;padding:9px 10px;border-radius:12px;border-left:3px solid transparent;transition:background .3s,border-color .3s}
.slot .when{font-variant-numeric:tabular-nums;font-size:13.5px;font-weight:700;color:var(--ink)}
.slot .when i{display:block;font-style:normal;font-weight:400;color:var(--muted);font-size:11.5px}
.slot .what b{display:block;font-size:14.5px}
.slot .spk{display:block;font-size:13px;color:var(--muted)}
.slot.break,.slot.social{background:var(--tint-0)}
.slot.keynote .what b{color:var(--primary)}
.slot.done{opacity:.55}
.slot.now{background:var(--tint-1);border-left-color:var(--primary)}
.slot.now .live-tag{background:var(--primary);color:#fff}
.slot.next .live-tag{background:var(--tint-2);color:var(--ink)}
.live-tag{font-size:11.5px;font-weight:700;padding:3px 9px;border-radius:999px;white-space:nowrap}
.live-tag:empty{display:none}
.slot.now .live-tag::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:#fff;margin-right:6px;animation:livedot 1.4s ease-in-out infinite}
@keyframes livedot{50%{opacity:.3}}

/* ════════════════ time and weather in Hamamatsu ════════════════ */
.hama-now{display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;margin:14px 0 4px;padding:10px 14px;border-radius:14px;background:var(--tint-0);font-size:14px;color:var(--ink);font-variant-numeric:tabular-nums}
.hama-now .hn-clock{font-weight:700}
.hama-now .hn-weather{display:inline-flex;align-items:center;gap:7px;color:var(--body)}
.hama-now .hn-weather svg{width:20px;height:20px;fill:none;stroke:var(--primary);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* ════════════════ the particle track ════════════════ */
.ptrack{position:fixed;left:max(18px,calc(50% - 630px));top:150px;height:calc(100vh - 300px);width:28px;z-index:40;opacity:0;transition:opacity .4s ease;pointer-events:none}
.ptrack.visible{opacity:1;pointer-events:auto}
.ptrack .line,.ptrack .fill{position:absolute;left:13px;top:0;width:2px;border-radius:2px}
.ptrack .line{height:100%;background:rgba(var(--ink-rgb),.12)}
.ptrack .fill{height:0;background:linear-gradient(180deg,var(--sun),var(--primary));transition:height .25s ease}
.ptrack .head{position:absolute;left:9px;top:0;width:10px;height:10px;margin-top:-5px;border-radius:50%;background:#fff;border:2px solid var(--primary);box-shadow:0 0 12px rgba(var(--primary-rgb),.8);transition:top .25s ease}
.ptrack .node{position:absolute;left:8px;width:12px;height:12px;margin-top:-6px;border-radius:50%;border:2px solid rgba(var(--ink-rgb),.25);background:var(--paper);padding:0;cursor:pointer;transition:background .3s,border-color .3s,transform .3s}
.ptrack .node.lit{background:var(--primary);border-color:var(--primary)}
.ptrack .node:hover{transform:scale(1.4)}
.ptrack .node span{position:absolute;left:22px;top:50%;transform:translateY(-50%);white-space:nowrap;font-size:12px;font-weight:700;color:var(--ink);background:#fff;padding:3px 9px;border-radius:999px;box-shadow:0 6px 16px rgba(var(--ink-rgb),.18);opacity:0;pointer-events:none;transition:opacity .2s}
.ptrack .node:hover span{opacity:1}
@media(max-width:1299px){ .ptrack{display:none} }

/* ════════════════ the mouse halo over dark panels ════════════════ */
.figures-panel::after,.scope::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;opacity:0;transition:opacity .3s;
  background:radial-gradient(260px circle at var(--hx,50%) var(--hy,50%),rgba(120,190,255,.22),transparent 60%);mix-blend-mode:screen}
.figures-panel.halo-on::after,.scope.halo-on::after{opacity:1}
.figures-panel .lich-deco{z-index:0}

@media (prefers-reduced-motion: reduce){ .slot.now .live-tag::before{animation:none} .tissue-svg.zap .beam path{animation:none} }

.tissue.snap .cell,.tissue.snap .cell *,.tissue.snap .tumour,.tissue.snap .tglow,.tissue.snap .gauge i::after,.tissue.snap .scars path{transition:none !important;animation:none !important}

/* ════════════════ separate pages ════════════════ */
.panel[hidden]{display:none}
body:not(.on-home) .masthead,body:not(.on-home) .strip{display:none}
body:not(.on-home) .nav{box-shadow:0 1px 0 rgba(var(--ink-rgb),.08)}
.panel{padding-top:clamp(28px,4vw,48px);padding-bottom:clamp(30px,5vw,60px);border-top:0 !important}
#home{padding-top:clamp(36px,5vw,56px)}
.panel.fade{animation:pagein .4s ease both}
@keyframes pagein{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.ptrack{display:none !important}
@media (prefers-reduced-motion: reduce){ .panel.fade{animation:none} }

/* ════════════════ the menu bar ════════════════ */
.nav{background:rgba(var(--paper-rgb),.86);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid rgba(var(--ink-rgb),.06)}
.nav.stuck{background:rgba(255,255,255,.9);box-shadow:0 1px 0 rgba(var(--ink-rgb),.08),0 8px 30px rgba(var(--ink-rgb),.06)}
.nav-inner{display:flex;align-items:center;gap:10px}
.tablist{display:flex;align-items:center;gap:2px;flex:1;min-width:0;position:relative;overflow:visible}
.brand{font-family:var(--f-display);font-weight:900;font-size:21px;letter-spacing:-.01em;color:var(--ink);text-decoration:none;margin-right:18px;display:inline-flex;align-items:baseline;gap:4px;white-space:nowrap}
.brand em{font-style:normal;color:var(--primary);font-size:15px;font-weight:700;font-family:var(--f-body)}
.brand:hover em{animation:brandpop .5s cubic-bezier(.3,1.6,.5,1)}
@keyframes brandpop{50%{transform:translateY(-3px)}}
.tab{position:relative;background:none;border:0;padding:21px 13px;font:inherit;font-size:14px;color:var(--body);cursor:pointer;white-space:nowrap;border-radius:0;transition:color .2s}
.tab::after{content:"";position:absolute;left:13px;right:13px;bottom:14px;height:2px;border-radius:2px;background:var(--primary);transform:scaleX(0);transform-origin:center;transition:transform .25s cubic-bezier(.2,.8,.3,1)}
.tab:hover{color:var(--ink)}
.tab:hover::after{transform:scaleX(1)}
.tab[aria-selected="true"]{color:var(--primary);font-weight:700}
.tab[aria-selected="true"]::after{transform:scaleX(0)}
.tab.has-dd{display:inline-flex;align-items:center}
.tab-lbl{display:inline-flex;align-items:center;gap:5px}
.caret{width:11px;height:11px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform .25s;opacity:.7}
.tab.open .caret{transform:rotate(180deg)}
#indicator{position:absolute;bottom:14px;left:0;height:2px;border-radius:2px;background:var(--primary);transition:transform .35s cubic-bezier(.2,.8,.3,1),width .35s cubic-bezier(.2,.8,.3,1);pointer-events:none}
/* the group panels */
.dd{position:absolute;left:8px;top:calc(100% - 8px);min-width:300px;padding:8px;background:#fff;border:1px solid var(--line);border-radius:16px;
  box-shadow:0 18px 44px rgba(var(--ink-rgb),.16);display:grid;gap:2px;opacity:0;transform:translateY(8px) scale(.98);transform-origin:top left;pointer-events:none;transition:opacity .2s ease,transform .25s cubic-bezier(.2,.8,.3,1);z-index:30;text-align:left}
.dd::before{content:"";position:absolute;left:26px;top:-7px;width:12px;height:12px;background:#fff;border-left:1px solid var(--line);border-top:1px solid var(--line);transform:rotate(45deg)}
.tab.open .dd{opacity:1;transform:none;pointer-events:auto}
.dd-item{display:flex;align-items:center;gap:12px;width:100%;padding:9px 10px;border:0;border-radius:11px;background:none;font:inherit;color:var(--ink);cursor:pointer;text-align:left;transition:background .18s,transform .18s}
.dd-item:hover,.dd-item:focus-visible{background:var(--tint-1);transform:translateX(2px);outline:none}
.dd-item.current{background:var(--tint-1)}
.dd-item.current b{color:var(--primary)}
.dd-item b{display:block;font-size:14px}
.dd-item small{display:block;font-size:12px;color:var(--muted);margin-top:1px}
.mi{width:34px;height:34px;flex:none;padding:8px;border-radius:10px;background:var(--tint-0);fill:none;stroke:var(--primary);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;transition:background .18s,transform .18s}
.dd-item:hover .mi{background:var(--tint-2);transform:scale(1.06)}
.nav-cta{margin-left:6px}
@media(max-width:1180px){ .tab{padding:21px 9px;font-size:13.5px} .brand{margin-right:8px} }
/* the phone drawer, grouped */
.drawer-group{margin:16px 0 4px;font-size:12px;font-weight:700;color:var(--muted);text-transform:none;letter-spacing:.02em}
.drawer-item{display:flex;align-items:center;gap:12px;width:100%;padding:9px 6px;border:0;background:none;font:inherit;color:var(--ink);text-align:left;border-radius:12px;cursor:pointer}
.drawer-item .lbl{display:block;font-size:15px;font-weight:600}
.drawer-item small{display:block;font-size:12px;color:var(--muted)}
.drawer-item[aria-current="true"]{background:var(--tint-1)}
.drawer-item[aria-current="true"] .lbl{color:var(--primary)}
.drawer-item .dot{display:none}

/* ════════════════ the Introduction page ════════════════ */
.intro-block{margin:34px 0 0}
.intro-block h3{margin:0 0 6px;font-size:21px}
.intro-block > p{margin:0 0 14px;color:var(--body);max-width:760px}
#intro .trace{padding:0;margin:0}
#intro .trace-card{max-width:none;background:var(--card);-webkit-backdrop-filter:none;backdrop-filter:none;border:1px solid var(--line);box-shadow:var(--shadow)}
#intro .tissue{margin:0}
.oq{display:flex;gap:14px;align-items:flex-start;text-decoration:none;color:inherit;padding:18px 20px}
.oq-n{flex:none;width:34px;height:34px;border-radius:50%;background:var(--tint-1);color:var(--primary);font-family:var(--f-display);font-weight:900;font-size:18px;display:grid;place-items:center}
.oq p{margin:0;font-size:14.5px;line-height:1.55;color:var(--body)}
.oq:hover p{color:var(--ink)}

/* ════════════════ the three steps on the home page ════════════════ */
.steps{margin:0 0 30px}
.steps .kicker{margin-bottom:10px}
.steps-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:14px}
@media(max-width:900px){ .steps-grid{grid-template-columns:1fr} }
.step{display:flex;gap:14px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:20px;padding:20px;box-shadow:var(--shadow)}
.step.big{background:linear-gradient(145deg,var(--ink),#4a2a24);color:#fff;border:0;padding:24px;position:relative;overflow:hidden}
.step.big::after{content:"";position:absolute;right:-40px;top:-40px;width:160px;height:160px;border-radius:50%;background:radial-gradient(circle,rgba(var(--primary-rgb),.55),transparent 65%)}
.step.big h3{color:#fff}
.step.big p{color:rgba(255,255,255,.8)}
.step.big .btn{margin-top:12px;background:var(--primary);color:#fff;font-size:16px;padding:14px 26px;position:relative;z-index:1}
.step.big .btn:hover{background:#d2694f}
.step-n{flex:none;width:34px;height:34px;border-radius:50%;background:var(--tint-1);color:var(--primary);font-family:var(--f-display);font-weight:900;font-size:18px;display:grid;place-items:center}
.step.big .step-n{background:var(--primary);color:#fff}
.step h3{margin:4px 0 6px;font-size:18px}
.step p{margin:0 0 10px;font-size:14px;color:var(--body);line-height:1.55}

/* ════════════════ the welcome window ════════════════ */
.welcome{position:fixed;inset:0;z-index:500;background:rgba(43,26,22,.45);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:grid;place-items:center;padding:20px;opacity:0;transition:opacity .3s}
.welcome.show{opacity:1}
.welcome-card{position:relative;background:var(--card);border-radius:24px;padding:32px 30px 26px;max-width:480px;width:100%;box-shadow:0 30px 80px rgba(0,0,0,.35);transform:translateY(18px) scale(.97);transition:transform .35s cubic-bezier(.2,.8,.3,1.2)}
.welcome.show .welcome-card{transform:none}
.welcome-card .kicker{margin:0 0 8px}
.welcome-card h3{margin:0 0 10px;font-size:24px;line-height:1.25}
.welcome-card p{margin:0 0 18px;color:var(--body)}
.welcome-actions{display:flex;gap:10px;flex-wrap:wrap}
.welcome-close{position:absolute;top:12px;right:14px;width:36px;height:36px;border:0;border-radius:50%;background:var(--tint-1);color:var(--ink);font-size:22px;cursor:pointer;line-height:1}
.welcome-close:hover{background:var(--tint-2)}
@media (prefers-reduced-motion: reduce){ .welcome,.welcome-card,.dd,.tab::after{transition:none} }
.welcome[hidden]{display:none}

/* ════════════════ share ════════════════ */
.share{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:18px 0 0}
.share.wrap{padding-bottom:28px}
.share-lbl{font-size:13px;font-weight:700;color:var(--ink);margin-right:4px}
.sh{display:inline-flex;align-items:center;gap:7px;padding:8px 14px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink);font:inherit;font-size:13.5px;font-weight:700;text-decoration:none;cursor:pointer;transition:transform .2s,background .2s,border-color .2s}
.sh svg{width:16px;height:16px;fill:none;stroke:var(--primary);stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.sh:hover{transform:translateY(-2px);background:var(--tint-0);border-color:var(--tint-3)}
.sh.done{background:var(--primary);color:#fff;border-color:var(--primary)}
.sh.done svg{stroke:#fff}
.closer .share{justify-content:center}

/* ════════════════ yen converter ════════════════ */
.fx{margin:22px 0 0;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:16px 18px;box-shadow:var(--shadow)}
.fx-head{display:flex;justify-content:space-between;flex-wrap:wrap;gap:6px 14px;align-items:baseline;margin-bottom:10px}
.fx-lbl{font-size:14px;font-weight:700;color:var(--ink)}
.fx-note{font-size:12px;color:var(--muted)}
.fx-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px}
.fx-in{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:12px;padding:6px 10px;background:var(--tint-0)}
.fx-in b{font-size:16px;color:var(--primary)}
.fx-in input{width:120px;border:0;background:none;font:inherit;font-size:17px;font-weight:700;color:var(--ink);outline:none;font-variant-numeric:tabular-nums}
.fx-out{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:15px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums}
.fx-out small{font-weight:500;color:var(--muted);font-size:11px}

/* ════════════════ restored draft ════════════════ */
.draft-note{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 14px;margin:0 0 18px;padding:10px 14px;border-radius:12px;background:var(--tint-1);font-size:14px;color:var(--ink)}

/* petals and the reading line are gone */
.petals,.progress{display:none !important}

/* ════════════════ the FLASH story, driven by scrolling ════════════════ */
.scrolly-hint{margin:0;font-size:13px;font-weight:700;color:var(--primary);display:inline-flex;align-items:center;gap:8px;white-space:nowrap}
.scrolly-hint::after{content:"";width:10px;height:10px;border-right:2px solid var(--primary);border-bottom:2px solid var(--primary);transform:rotate(45deg);animation:hintbounce 1.4s ease-in-out infinite}
@keyframes hintbounce{50%{transform:rotate(45deg) translate(3px,3px)}}
.tissue[data-done] .scrolly-hint{display:none}
.timeline .tl-bar::after{width:calc(var(--p,0) * 100%);transition:width .25s linear}
.tissue.run .timeline .tl-bar::after{animation:none}
.captions{position:relative;min-height:46px;margin-top:10px}
.cap{position:absolute;inset:0;margin:0;font-size:15px;line-height:1.5;color:var(--ink);opacity:0;transform:translateY(6px);transition:opacity .35s ease,transform .35s ease;pointer-events:none}
.cap.on{opacity:1;transform:none}
@media(max-width:760px){ .scrolly{height:auto} .scrolly .tissue{position:static} .captions{min-height:70px} .scrolly-hint{display:none} }
@media (prefers-reduced-motion: reduce){ .scrolly{height:auto} .scrolly .tissue{position:static} .scrolly-hint{display:none} .cap{transition:none} }

/* ════════════════ lung parenchyma: healthy, then fibrotic (conventional) or spared (FLASH) ════════════════ */
.lung-svg{width:100%;height:auto;display:block}
.lung-svg .bg0{stop-color:#F7DAD7;transition:stop-color 1.6s ease}.lung-svg .bg1{stop-color:#EBBDBE;transition:stop-color 1.6s ease}
.lung-svg .alv{transform-box:fill-box;transform-origin:center;transition:transform 1.8s cubic-bezier(.4,0,.2,1) var(--d,0ms)}
.lung-svg .alv .s path{fill:#FBEEEA;stroke:#E6A7AE;stroke-width:2.6;stroke-linejoin:round;transition:fill 1.6s ease var(--d,0ms),stroke 1.6s ease var(--d,0ms),stroke-width 1.6s ease var(--d,0ms)}
.lung-svg .alv .s .hi{fill:none;stroke:#fff;stroke-opacity:.55;stroke-width:1}
.lung-svg .caps path{fill:none;stroke:#C9596A;stroke-width:1.1;stroke-opacity:.6;stroke-linecap:round}
.lung-svg .collagen path{fill:none;stroke:#7F655C;stroke-width:1.4;stroke-linecap:round;opacity:0;transition:opacity 1.2s ease var(--d,0ms)}
.lung-svg .infl circle{fill:#6B4E8C;opacity:0;transition:opacity 1.2s ease var(--d,0ms)}
.lung-svg .nodule{transition:transform 2s cubic-bezier(.4,0,.2,1)}
.lung-svg .nodule .nod{stroke:#3A1527;stroke-width:1.5}
.lung-svg .nodule .nuc circle{fill:#2A0F1C;fill-opacity:.8}
.lung-svg .nodule .spic path{fill:none;stroke:#5a2a3f;stroke-width:1.4;stroke-linecap:round;opacity:.8;transition:opacity 1.5s}
.lung-svg .beamcol rect{fill:#ff9c86;opacity:0}
.lung-svg .burst *{opacity:0;transform-box:fill-box;transform-origin:center}
.lung-svg .burst .core{fill:#fff;filter:drop-shadow(0 0 10px #7fc4ff)}
.lung-svg .burst .ring{fill:none;stroke:#7fc4ff;stroke-width:2}
.tissue.run .lung-svg .breath{transform-box:fill-box;transform-origin:center;animation:lungbreath 4.6s ease-in-out infinite}
@keyframes lungbreath{50%{transform:scale(1.012)}}
/* the beam */
.scene.conv[data-phase="beam"] .beamcol rect{animation:beampulse .55s ease-in-out infinite}
@keyframes beampulse{0%,100%{opacity:.18}50%{opacity:.5}}
.scene.flash[data-phase="beam"] .beamcol rect{fill:#bfe3ff;animation:colflash .5s ease-out .2s both}
.scene.flash[data-phase="beam"] .burst .core{animation:fcore .7s ease-out .32s both}
.scene.flash[data-phase="beam"] .burst .ring{animation:fring 1s ease-out .35s both}
.scene.flash[data-phase="beam"] .burst .r2{animation-delay:.55s}
/* early effects: the septa begin to thicken after conventional delivery */
.scene.conv[data-phase="after"] .lung-svg .alv .s path{stroke:#C99A9A;stroke-width:3.8;fill:#F5E6E2}
.scene.conv[data-phase="after"] .lung-svg .alv{transform:scale(calc(1 - .1 * var(--near,0)))}
.scene.conv[data-phase="after"] .lung-svg .infl circle{opacity:.5}
/* late effects: fibrosis around the lesion, inflammatory cells, collagen */
.scene.conv[data-phase="late"] .lung-svg .bg0{stop-color:#DDD0CA}.scene.conv[data-phase="late"] .lung-svg .bg1{stop-color:#C9B6AE}
.scene.conv[data-phase="late"] .lung-svg .alv .s path{fill:#EAE0DB;stroke:#A88F8A;stroke-width:5.2}
.scene.conv[data-phase="late"] .lung-svg .alv{transform:scale(calc(1 - .22 * var(--near,0)))}
.scene.conv[data-phase="late"] .lung-svg .collagen path,.scene.conv[data-phase="late"] .lung-svg .infl circle{opacity:.7}
/* the nodule regresses in both scenes */
.scene[data-phase="after"] .lung-svg .nodule{transform:translate(300px,172px) scale(.8)}
.scene[data-phase="late"] .lung-svg .nodule{transform:translate(300px,172px) scale(.55)}
.scene[data-phase="after"] .lung-svg .spic path,.scene[data-phase="late"] .lung-svg .spic path{opacity:0}
.tissue.snap .lung-svg *{transition:none !important}
@media (prefers-reduced-motion: reduce){ .tissue.run .lung-svg .breath,.lung-svg .beamcol rect,.lung-svg .burst *{animation:none !important} }

/* tagline, formats, speakers by session */
.tagline{margin:4px 0 14px;font-family:var(--f-display);font-size:clamp(17px,2vw,22px);color:var(--ink);font-style:italic;letter-spacing:.01em}
.formats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:0 0 26px}
@media(max-width:760px){ .formats{grid-template-columns:1fr} }
.fmt{background:var(--tint-0);border:1px solid var(--line);border-radius:14px;padding:12px 14px}
.fmt b{display:block;font-size:14px;color:var(--primary);margin-bottom:3px}
.fmt span{font-size:13.5px;color:var(--body)}
.session h3 .s-sub{display:block;font-family:var(--f-body);font-size:13.5px;font-weight:500;color:var(--muted);margin-top:3px}
.s-who{font-size:13.5px !important;color:var(--body)}
.s-who b{color:var(--ink);font-weight:700}
.sp-group{margin:0 0 30px}
.sp-session{margin:0 0 14px;font-size:20px;display:flex;flex-wrap:wrap;align-items:baseline;gap:8px 12px}
.sp-session span{font-family:var(--f-body);font-size:12.5px;font-weight:700;color:var(--primary);background:var(--tint-1);border-radius:999px;padding:3px 10px}
.sp-session small{flex-basis:100%;font-family:var(--f-body);font-size:13.5px;font-weight:500;color:var(--muted)}
.sp-role{margin:0 0 4px;font-size:12px;font-weight:700;color:var(--primary)}
.slot.session{background:var(--tint-0);border-left:3px solid var(--tint-3)}
.slot.session .what b{color:var(--ink)}

/* ════════════════ the film: visible beams, pronounced fibrosis ════════════════ */
.timeline .tl-bar::after{transition:width 3.2s linear}
.lung-svg .wnuc ellipse{fill:#B55B72;opacity:.75}
.lung-svg .macro circle{fill:#F2D6C9;stroke:#C98F8F;stroke-width:1}
.lung-svg .macro .mn{fill:#8A5A6B;stroke:none}
.lung-svg .vessel circle{fill:#E9B4B9;stroke:#B9636F;stroke-width:2.2}
.lung-svg .vessel .lumen{fill:#F6DCD9;stroke:#D59AA0;stroke-width:1}
.lung-svg .vessel .rbc circle{fill:#C9364B;stroke:#8E2435;stroke-width:.6}
.lung-svg .fibro ellipse{fill:#8E7A72;opacity:0;transition:opacity 1.2s ease var(--d,0ms)}
.lung-svg .nodule .necro{fill:#C98DA8;opacity:.35}
/* the beam: a bright glowing column held for a moment, with particles streaming down it */
.lung-svg .bm0{stop-color:#ff9c86;stop-opacity:.95}.lung-svg .bm1{stop-color:#ff9c86;stop-opacity:.15}
.scene.flash .lung-svg .bm0{stop-color:#ffffff;stop-opacity:1}.scene.flash .lung-svg .bm1{stop-color:#7fc4ff;stop-opacity:.45}
.scene.flash .lung-svg .beam .col{filter:drop-shadow(0 0 12px #7fc4ff) drop-shadow(0 0 4px #ffffff)}
.lung-svg .beam .col{opacity:0}
.scene.conv[data-phase="beam"] .beam .col{animation:beamconv 3.4s ease-in-out both}
@keyframes beamconv{0%{opacity:0}8%{opacity:.75}20%{opacity:.5}40%{opacity:.8}60%{opacity:.5}80%{opacity:.8}92%{opacity:.55}100%{opacity:0}}
.scene.flash[data-phase="beam"] .beam .col{animation:beamflash 3s ease-out .3s both}
@keyframes beamflash{0%{opacity:0}4%{opacity:1}70%{opacity:1}100%{opacity:0}}
.lung-svg .drop{fill:#ff9c86;opacity:0}
.scene.flash .lung-svg .drop{fill:#eaf6ff;filter:drop-shadow(0 0 3px #9fd6ff)}
.scene.conv[data-phase="beam"] .drop{animation:fall 1.3s linear var(--d) 2}
.scene.flash[data-phase="beam"] .drop{animation:fall .45s ease-in calc(.35s + var(--d) * .3) 2}
@keyframes fall{0%{transform:translateY(0);opacity:0}10%{opacity:1}90%{opacity:.9}100%{transform:translateY(176px);opacity:0}}
.scene.flash[data-phase="beam"] .burst .core{animation:fcore .8s ease-out .45s both}
.scene.flash[data-phase="beam"] .burst .ring{animation:fring 1.2s ease-out .5s both}
.scene.flash[data-phase="beam"] .burst .r2{animation-delay:.75s}
.scene.flash[data-phase="beam"] .stage{animation:stageflash 1.2s ease-out .4s}
/* early: walls thicken, inflammatory cells arrive */
.scene.conv[data-phase="after"] .lung-svg .alv .s path{stroke:#BF8F8F;stroke-width:4.4;fill:#F3E2DE}
.scene.conv[data-phase="after"] .lung-svg .alv{transform:scale(calc(1 - .12 * var(--near,0)))}
.scene.conv[data-phase="after"] .lung-svg .infl circle{opacity:.75}
.scene.conv[data-phase="after"] .lung-svg .collagen path{opacity:.35}
/* late: fibrosis */
.scene.conv[data-phase="late"] .lung-svg .bg0{stop-color:#D9CBC4}.scene.conv[data-phase="late"] .lung-svg .bg1{stop-color:#C2ADA4}
.scene.conv[data-phase="late"] .lung-svg .alv .s path{fill:#E6DAD4;stroke:#9A7F78;stroke-width:7}
.scene.conv[data-phase="late"] .lung-svg .alv{transform:scale(calc(1 - .3 * var(--near,0)))}
.scene.conv[data-phase="late"] .lung-svg .collagen path{opacity:.9;stroke-width:2}
.scene.conv[data-phase="late"] .lung-svg .infl circle{opacity:.9}
.scene.conv[data-phase="late"] .lung-svg .fibro ellipse{opacity:.85}
.scene.conv[data-phase="late"] .lung-svg .caps path{stroke-opacity:.25}
.scene.conv[data-phase="late"] .lung-svg .vessel circle{stroke-width:4}
.tissue.snap .lung-svg *{transition:none !important;animation:none !important}

/* ════════════════ interactive programme ════════════════ */
.schedule{display:block}
.pg-top{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px}
.pg-tabs{display:inline-flex;background:var(--tint-1);border-radius:999px;padding:4px}
.pg-tab{border:0;background:none;padding:9px 18px;border-radius:999px;font:inherit;font-size:14px;font-weight:700;color:var(--muted);cursor:pointer;transition:background .25s,color .25s}
.pg-tab.on{background:var(--ink);color:#fff}
.pg-tools{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.pg-sum{font-size:13px;color:var(--muted)}
.pg-legend{display:flex;flex-wrap:wrap;gap:8px 16px;margin:0 0 14px;font-size:12.5px;color:var(--body)}
.pg-legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px;vertical-align:-1px}
.pg-list{display:grid;gap:8px}
.pg-list .slot{display:grid;grid-template-columns:70px 1fr auto;gap:14px;align-items:start;padding:12px 14px;border-radius:14px;background:var(--card);border:1px solid var(--line);border-left:4px solid var(--c);transition:box-shadow .25s,transform .2s,background .25s}
.pg-list .slot.openable{cursor:pointer}
.pg-list .slot.openable:hover{box-shadow:0 10px 26px rgba(var(--ink-rgb),.09);transform:translateY(-1px)}
.pg-list .slot.break,.pg-list .slot.other{background:var(--tint-0);border-color:transparent;border-left-color:var(--line-2);padding:8px 14px}
.pg-list .slot.break .what b,.pg-list .slot.other .what b{font-weight:500;color:var(--body)}
.pg-list .slot.session .what b{color:var(--c)}
.pg-list .what .sub{display:block;font-size:13px;color:var(--muted);margin-top:2px}
.pg-list .chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.pg-list .chips i{font-style:normal;font-size:11.5px;font-weight:700;padding:3px 9px;border-radius:999px;background:var(--tint-1);color:var(--ink)}
.pg-list .side{display:flex;align-items:center;gap:8px}
.pg-list .chev{width:18px;height:18px;fill:none;stroke:var(--muted);stroke-width:2;transition:transform .3s}
.pg-list .slot.open .chev{transform:rotate(180deg)}
.pg-list .ical{border:0;background:none;padding:4px;cursor:pointer;border-radius:8px;opacity:.55;transition:opacity .2s,background .2s}
.pg-list .ical:hover{opacity:1;background:var(--tint-1)}
.pg-list .ical svg{width:18px;height:18px;fill:none;stroke:var(--ink);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.pg-list .dl{display:grid;grid-template-rows:0fr;transition:grid-template-rows .35s ease}
.pg-list .dl > *{overflow:hidden}
.pg-list .slot.open .dl{grid-template-rows:1fr}
.pg-list .dl{display:block;max-height:0;overflow:hidden;transition:max-height .4s ease}
.pg-list .slot.open .dl{max-height:900px}
.dl-k{margin:12px 0 6px;font-size:12px;font-weight:700;color:var(--muted)}
.dl-tba{margin:0;font-size:13.5px;color:var(--muted);font-style:italic}
.dl-note{margin:10px 0 0;font-size:13.5px;color:var(--body)}
.people,.talks{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.people li{display:flex;gap:10px;align-items:center}
.people b,.talks b{display:block;font-size:14px}
.people small,.talks small{display:block;font-size:12.5px;color:var(--muted)}
.pav{flex:none;width:32px;height:32px;border-radius:50%;background:var(--tint-1);color:var(--primary);display:grid;place-items:center;font-size:12px;font-weight:700}
@media(max-width:640px){ .pg-list .slot{grid-template-columns:54px 1fr;gap:10px} .pg-list .side{grid-column:2;justify-content:flex-start} }
/* FAQ */
.qa{background:var(--card);border:1px solid var(--line);border-radius:14px;margin:0 0 10px;padding:0 18px;transition:box-shadow .25s}
.qa[open]{box-shadow:var(--shadow)}
.qa summary{cursor:pointer;list-style:none;padding:15px 0;font-weight:700;font-size:15px;display:flex;justify-content:space-between;gap:12px}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"+";font-size:20px;line-height:1;color:var(--primary);transition:transform .25s}
.qa[open] summary::after{transform:rotate(45deg)}
.qa p{margin:0 0 16px;color:var(--body);line-height:1.6}
@media print{
  .nav,.masthead,.strip,.closer,.foot,#actionbar,.totop,.pg-tools button,.ical,.chev,.welcome{display:none !important}
  .panel{display:none !important} #programme{display:block !important}
  .pg-list .dl{max-height:none !important} .pg-list .slot{break-inside:avoid;box-shadow:none}
}

/* ════════════════ the interactive programme ════════════════ */
.schedule{display:block;margin:0 0 28px}
.pg-top{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin:0 0 12px}
.pg-tabs{display:inline-flex;background:var(--tint-1);border-radius:999px;padding:4px}
.pg-tab{border:0;background:none;font:inherit;font-size:14px;font-weight:700;color:var(--muted);padding:9px 18px;border-radius:999px;cursor:pointer;transition:background .25s,color .25s}
.pg-tab.on{background:var(--ink);color:#fff}
.pg-tools{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.pg-sum{font-size:13px;color:var(--muted)}
.pg-legend{display:flex;flex-wrap:wrap;gap:8px 18px;margin:0 0 14px;font-size:13px;color:var(--body)}
.pg-legend span{display:inline-flex;align-items:center;gap:7px}
.pg-legend i{width:12px;height:12px;border-radius:4px;display:inline-block}
.pg-list{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:10px;box-shadow:var(--shadow)}
.pg-list .slot{position:relative;display:grid;grid-template-columns:70px 1fr auto;gap:14px;align-items:start;padding:12px 14px 12px 18px;border-radius:14px;border-left:0;background:none;transition:background .2s}
.pg-list .slot::before{content:"";position:absolute;left:6px;top:12px;bottom:12px;width:4px;border-radius:4px;background:var(--c)}
.pg-list .slot + .slot{margin-top:2px}
.pg-list .slot.break,.pg-list .slot.other{opacity:.85}
.pg-list .slot.break .what b,.pg-list .slot.other .what b{font-weight:500;color:var(--body)}
.pg-list .slot.session{background:color-mix(in srgb,var(--c) 6%,transparent)}
.pg-list .slot.openable{cursor:pointer}
.pg-list .slot.openable:hover{background:color-mix(in srgb,var(--c) 11%,transparent)}
.pg-list .slot .when{font-size:14px}
.pg-list .slot .what b{display:block;font-size:15px;color:var(--ink)}
.pg-list .slot.session .what b{color:var(--c)}
.pg-list .slot .sub{display:block;font-size:13px;color:var(--muted);margin-top:1px}
.pg-list .slot .spk{display:block;font-size:13px;color:var(--body);margin-top:3px}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:7px}
.chips i{font-style:normal;font-size:11.5px;font-weight:700;color:var(--c);background:#fff;border:1px solid color-mix(in srgb,var(--c) 35%,transparent);border-radius:999px;padding:2px 9px}
.side{display:flex;align-items:center;gap:6px}
.ical{width:32px;height:32px;border-radius:9px;border:1px solid var(--line);background:#fff;cursor:pointer;display:grid;place-items:center;transition:background .2s,transform .2s}
.ical svg{width:16px;height:16px;fill:none;stroke:var(--primary);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.ical:hover{background:var(--tint-1);transform:translateY(-1px)}
.chev{width:18px;height:18px;fill:none;stroke:var(--muted);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .3s}
.slot.open .chev{transform:rotate(180deg)}
.dl{display:grid;grid-template-rows:0fr;transition:grid-template-rows .35s ease;overflow:hidden}
.dl > *{min-height:0}
.slot.open .dl{grid-template-rows:1fr}
.dl{display:block;max-height:0;transition:max-height .45s ease}
.slot.open .dl{max-height:900px}
.dl-k{margin:12px 0 6px;font-size:12px;font-weight:700;color:var(--c)}
.dl-tba,.dl-note{margin:0 0 4px;font-size:13.5px;color:var(--body)}
.dl-note{font-style:italic}
.people,.talks{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.people li{display:flex;gap:10px;align-items:flex-start}
.pav{flex:none;width:34px;height:34px;border-radius:50%;background:color-mix(in srgb,var(--c) 14%,#fff);color:var(--c);font-size:12px;font-weight:700;display:grid;place-items:center}
.people b,.talks b{display:block;font-size:14px;color:var(--ink)}
.people small,.talks small{display:block;font-size:12.5px;color:var(--muted)}
.people em{display:block;font-size:12.5px;color:var(--body);margin-top:2px}
@media(max-width:640px){ .pg-list .slot{grid-template-columns:52px 1fr auto;gap:10px;padding:11px 10px 11px 16px} .pg-sum{width:100%} }

/* ════════════════ speakers: invited and organising committee ════════════════ */
.sp-block{margin:6px 0 16px;font-size:24px}
.sp-block small{display:block;font-family:var(--f-body);font-size:13.5px;font-weight:500;color:var(--muted);margin-top:4px}
.sp-block.org{margin-top:40px;padding-top:26px;border-top:1px solid var(--line)}
.sp-session span{color:var(--c,var(--primary)) !important}
.sp-talk{margin:4px 0 6px !important;font-size:13.5px !important;font-style:italic;color:var(--ink) !important}
.speakers.org .speaker{background:var(--tint-0)}

/* ════════════════ FAQ ════════════════ */
.qa{background:var(--card);border:1px solid var(--line);border-radius:16px;margin:0 0 10px;transition:box-shadow .2s}
.qa[open]{box-shadow:var(--shadow)}
.qa summary{list-style:none;cursor:pointer;padding:16px 50px 16px 20px;font-weight:700;font-size:15.5px;color:var(--ink);position:relative}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:22px;font-weight:400;color:var(--primary);transition:transform .25s}
.qa[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.qa p{margin:0;padding:0 20px 18px;font-size:14.5px;line-height:1.65;color:var(--body)}

/* ════════════════ printing the programme ════════════════ */
@media print{
  .nav,.masthead,.strip,.closer,footer,.actionbar,.totop,.pg-tools,.ical,.chev,#mobileBar,.welcome{display:none !important}
  .panel{display:none !important}
  #programme{display:block !important}
  .dl{max-height:none !important}
  .pg-list{box-shadow:none;border:0}
}

.formats{grid-template-columns:repeat(4,1fr)}
@media(max-width:980px){ .formats{grid-template-columns:repeat(2,1fr)} }
@media(max-width:560px){ .formats{grid-template-columns:1fr} }

/* session icons: the session colour on a soft tint of it */
.card.session .icon{color:var(--accent);background:var(--tint);border-radius:16px;padding:9px;width:62px;height:62px}
.card.session{border-top-color:var(--accent)}

.formats{grid-template-columns:repeat(3,1fr)}
@media(max-width:860px){ .formats{grid-template-columns:1fr} }

/* ════════════════ programme v2: day cards, proportional timeline, detail panel ════════════════ */
.pg-days{display:grid;grid-template-columns:1fr 1fr auto;gap:12px;margin:0 0 18px;align-items:stretch}
.pg-day{display:flex;flex-direction:column;align-items:flex-start;gap:4px;text-align:left;border:1px solid var(--line);background:var(--card);border-radius:18px;padding:14px 16px;cursor:pointer;font:inherit;color:var(--ink);transition:transform .2s,box-shadow .2s,border-color .2s}
.pg-day:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.pg-day.on{border-color:var(--ink);box-shadow:0 0 0 2px var(--ink) inset,var(--shadow)}
.pg-day b{font-size:17px}
.ds-k{font-size:12px;font-weight:700;color:var(--muted)}
.ds-strip{display:flex;gap:3px;width:100%;height:8px;margin-top:6px}
.ds-strip i{display:block;border-radius:3px;opacity:.85}
.pg-facts{display:flex;flex-direction:column;justify-content:center;gap:4px;padding:10px 16px;border-radius:18px;background:var(--tint-0);border:1px solid var(--line);font-size:12.5px;color:var(--muted);min-width:190px}
.pg-facts b{font-size:15px;color:var(--ink);margin-right:6px;font-variant-numeric:tabular-nums}
.pg-pdf{margin-top:4px;font-weight:700;color:var(--primary);text-decoration:none}
.pg-main{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:22px;align-items:start}
.pg-line{position:relative}
.pg-line::before{content:"";position:absolute;left:66px;top:0;bottom:0;width:2px;background:linear-gradient(var(--line-2),var(--line))}
.tb{position:absolute;left:0;right:0;display:grid;grid-template-columns:56px 38px 1fr auto;gap:12px;align-items:center;padding:0 12px 0 0;border:0;background:none;font:inherit;text-align:left;cursor:pointer;color:var(--ink)}
.tb-time{display:flex;flex-direction:column;align-items:flex-end;font-variant-numeric:tabular-nums;line-height:1.1}
.tb-time b{font-size:14px} .tb-time span{font-size:11px;color:var(--muted)}
.tb-ico{position:relative;z-index:1;width:38px;height:38px;border-radius:12px;background:var(--t);color:var(--c);display:grid;place-items:center;border:2px solid #fff;box-shadow:0 0 0 1px var(--line);transition:transform .25s}
.tb-ico svg,.tb-ico .icon{width:22px;height:22px;margin:0;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.tb-ico .icon *{stroke-dashoffset:0}
.tb-body{align-self:stretch;display:flex;flex-direction:column;justify-content:center;gap:2px;min-width:0;border-radius:14px;padding:8px 14px;background:var(--t);border-left:4px solid var(--c);transition:transform .2s,box-shadow .2s;overflow:hidden}
.tb-body b{font-size:15px;color:var(--c);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tb-sub{font-size:12.5px;color:var(--body);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tb-meta{display:flex;flex-wrap:wrap;gap:4px 8px;align-items:center;font-size:12px;color:var(--muted);margin-top:3px}
.tb-meta i{font-style:normal;font-weight:700;color:var(--c);background:#fff;border-radius:999px;padding:1px 8px}
.tb.minor .tb-body{background:none;border-left-color:transparent;padding-left:4px}
.tb.minor .tb-body b{color:var(--body);font-weight:500;font-size:14px}
.tb.minor .tb-ico{width:30px;height:30px;justify-self:center;border-radius:50%}
.tb.minor .tb-ico svg{width:16px;height:16px}
.tb.keynote .tb-body b,.tb.roundtable .tb-body b,.tb.social .tb-body b{color:var(--ink)}
.tb:hover .tb-body{transform:translateX(3px);box-shadow:0 6px 18px rgba(var(--ink-rgb),.08)}
.tb:hover .tb-ico{transform:scale(1.08)}
.tb.sel .tb-body{box-shadow:0 0 0 2px var(--c) inset,0 8px 22px rgba(var(--ink-rgb),.1)}
.tb.sel .tb-ico{transform:scale(1.12)}
.tb-live:empty{display:none}
.tb-live{font-size:11px;font-weight:700;background:var(--primary);color:#fff;border-radius:999px;padding:3px 9px}
.tb.done{opacity:.5}
.tb-inline{display:none}
.pg-detail{position:sticky;top:84px;background:var(--card);border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:var(--shadow);animation:pdin .35s ease}
@keyframes pdin{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.pd-head{display:flex;gap:14px;align-items:center;padding:18px 20px;background:var(--t);border-bottom:3px solid var(--c)}
.pd-ico{width:52px;height:52px;flex:none;border-radius:16px;background:#fff;color:var(--c);display:grid;place-items:center}
.pd-ico svg,.pd-ico .icon{width:30px;height:30px;margin:0;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.pd-ico .icon *{stroke-dashoffset:0}
.pd-time{margin:0;font-size:12.5px;font-weight:700;color:var(--muted)}
.pd-head h3{margin:2px 0 0;font-size:21px;color:var(--c)}
.pd-sub{margin:2px 0 0;font-size:13.5px;color:var(--body)}
.pd-body{padding:6px 20px 4px}
.pd-desc{font-size:14px;color:var(--body);line-height:1.6}
.pd-note{font-size:13.5px;font-style:italic;color:var(--body)}
.pd-counts{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:14px 0 8px}
.pd-counts div{background:var(--tint-0);border-radius:14px;padding:10px 12px}
.pd-counts b{display:block;font-family:var(--f-display);font-size:28px;line-height:1;color:var(--c)}
.pd-counts span{display:block;font-size:13px;font-weight:700;color:var(--ink);margin-top:4px}
.pd-counts small{font-size:11.5px;color:var(--muted)}
.pg-detail .dl-k{color:var(--c)}
.pd-ical{margin:6px 20px 18px}
@media(max-width:899px){
  .pg-days{grid-template-columns:1fr 1fr}
  .pg-facts{grid-column:1/-1;flex-direction:row;flex-wrap:wrap;gap:6px 16px}
  .pg-main{display:block}
  .pg-detail{display:none}
  .pg-line{height:auto !important}
  .pg-line::before{left:52px}
  .tb{position:relative;top:auto !important;height:auto !important;min-height:46px;margin:0 0 8px;grid-template-columns:44px 30px 1fr auto;gap:8px;padding:0}
  .tb-ico{width:30px;height:30px}
  .tb-body{padding:8px 10px}
  .tb-body b,.tb-sub{white-space:normal}
  .tb-inline.open{display:block;margin:-2px 0 12px 82px;padding:6px 14px 10px;border-left:3px solid var(--c);background:var(--card);border-radius:0 14px 14px 0;box-shadow:var(--shadow)}
}
@media (prefers-reduced-motion: reduce){ .pg-detail{animation:none} }
.tb.keynote .tb-body b,.tb.roundtable .tb-body b,.tb.social .tb-body b{white-space:normal;line-height:1.3}
/* programme timeline and detail panel: each icon takes the colour of its session */
.tb-ico .icon,.pd-ico .icon{color:inherit}