:root{color-scheme:light;--ink:#263f41;--muted:#667a76;--paper:#faf8f1;--green:#335e52;--line:#d9e1d5;--amber:#c8903b;--night:#3a3148}
html[lang="zh-Hant"]{--sans:"Noto Sans TC";--serif:"Noto Serif TC"}
html[lang="en"]{--sans:"Noto Sans";--serif:"Noto Serif"}
html[lang="ja"]{--sans:"Noto Sans JP";--serif:"Noto Serif JP"}
html[lang="ko"]{--sans:"Noto Sans KR";--serif:"Noto Serif KR";word-break:keep-all}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans),sans-serif;line-height:1.7}
h1,h1 em{font-family:var(--serif),serif;font-weight:650}
h1 em,h2 em{font-style:normal;text-decoration:underline;text-decoration-thickness:.12em;text-underline-offset:.14em}
a{color:var(--green)}
a:focus-visible,button:focus-visible{outline:3px solid var(--amber);outline-offset:3px}
.skip{position:absolute;left:-999px;top:0;background:#fff;padding:.4rem .8rem}
.skip:focus{left:.5rem;z-index:3}
.top{display:flex;justify-content:space-between;gap:1rem;align-items:center;padding:.85rem 1.25rem;position:sticky;top:0;background:var(--paper);z-index:2;border-bottom:1px solid var(--line)}
.logo{font-weight:800;letter-spacing:.06em;text-decoration:none}
.top-actions,.langs,.cta-row{display:flex;gap:.6rem;align-items:center;flex-wrap:wrap}
.globe{display:block}
button,.btn{font:inherit;cursor:pointer;border:1px solid var(--green);border-radius:999px;padding:.55rem .95rem;background:var(--green);color:var(--paper);text-decoration:none}
.btn.ghost,button[data-motion],button[data-sound],button[data-copy]{background:transparent;color:var(--green)}
.hint{display:flex;justify-content:space-between;gap:1rem;align-items:center;margin:0;padding:.7rem 1.25rem;background:#e7eee4}
.hint[hidden]{display:none}
.hero{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:1.5rem;align-items:end}
.hero-copy{padding:3.5rem 1.25rem 2rem 6vw}
.hero-copy h1{font-size:clamp(2.4rem,5vw,4.4rem);line-height:1.2;letter-spacing:-.03em;margin:.4rem 0}
.sub{font-size:1.15rem;max-width:38rem}
.capsule{display:inline-block;margin:0 0 .8rem;padding:.3rem .8rem;border:1.5px solid var(--green);border-radius:999px;color:var(--green);font-size:.92rem}
section{max-width:72rem;margin:auto;padding:3.2rem 1.25rem 1rem}
.frame{position:relative;background:linear-gradient(180deg,var(--night) 0%,#24564f 46%,var(--green) 72%,var(--paper) 100%);border-radius:1.5rem;overflow:hidden;min-height:12rem}
.hero-frame{min-height:18rem;border-radius:1.5rem 0 0 1.5rem}
.poster,.hero-frame picture{display:block;width:100%}
.hero-frame video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.glow{position:absolute;width:.7rem;height:.7rem;border-radius:50%;background:#8ef0e0;box-shadow:0 0 .7rem #8ef0e0;opacity:0;animation:lamp 2.6s ease forwards;pointer-events:none;z-index:1}
.g1{left:18%;top:34%}.g2{left:36%;top:48%;animation-delay:.35s}.g3{left:52%;top:30%;animation-delay:.7s}.g4{left:68%;top:44%;animation-delay:1s}.g5{left:78%;top:26%;animation-delay:1.3s}
@keyframes lamp{to{opacity:.9}}
.room .shot{width:100%;display:block}
.slots{list-style:none;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.6rem;margin:0;padding:1rem}
.slots li{min-height:5.5rem;border:1px dashed var(--green);border-radius:.8rem;background:#faf8f1d0;display:flex;align-items:center;justify-content:center;text-align:center;padding:.4rem}
.slots img{width:100%;height:auto}
.cards{list-style:none;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;padding:0}
.cards li,.captain{background:#fff;border:1px solid var(--line);border-radius:1.4rem;padding:1rem 1.1rem}
.cards h3{margin:.4rem 0}
.icon{width:4.5rem;height:4.5rem;object-fit:contain}
.sway{width:100%;max-width:16rem;animation:sway 3.2s ease-in-out infinite}
@keyframes sway{0%,100%{transform:rotate(-2deg)}50%{transform:rotate(2deg)}}
.lot{font-size:1.35rem}
.captain{margin:1rem 0}
#why{padding-top:5rem;padding-bottom:4rem}
.quiet{max-width:38rem;font-size:1.35rem;line-height:1.85}
.ai-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:1rem;align-items:center}
.rule{font-weight:700}
#ai-cmd{overflow:auto;padding:1rem;background:#241c33;color:#faf8f1;border-radius:1rem}
.clown img{width:100%;display:block}
#grow .sticky{position:sticky;top:4.5rem}
.growth{min-height:20rem}
.growth .g{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0}
.growth .g.is-on{opacity:1}
.sentinel{height:var(--step,0px)}
.gate .shot{width:100%;display:block;opacity:.55}
.gate-copy{padding:1.4rem}
.close{font-size:1.4rem}
.faq details{border-top:1px solid var(--line);padding:.75rem 0}
.faq summary{cursor:pointer;font-weight:700}
footer{padding:2rem 1.25rem 3rem;color:var(--muted);font-size:.92rem}
.bar{height:.5rem;background:#e7eee4;border-radius:999px;overflow:hidden}
.bar span{display:block;height:100%;width:calc(var(--p) * 100%);background:var(--green)}
.note{color:var(--muted)}
img.is-broken{display:none}
html.is-still .glow,html.is-still .sway{animation:none}
html.is-still .glow{opacity:.55}
html.is-still .hero-frame video{display:none}
html.is-still #grow .sticky{position:static}
html.is-still .growth{min-height:0}
html.is-still .growth .g{position:static;opacity:1;height:auto;margin-top:.6rem}
html.is-still .sentinel{display:none}
@supports (animation-timeline: view()){
  .capsule{animation:mark linear both;animation-timeline:view();animation-range:entry 0% cover 30%}
}
@keyframes mark{from{background:transparent}to{background:#e7eee4}}
@media (max-width:760px){
  .hero,.cards{grid-template-columns:1fr}
  .ai-grid{grid-template-columns:minmax(0,1fr)}
  .hero-frame{border-radius:1.5rem;max-height:32rem}
  .hero-copy{padding:1.4rem 1.25rem}
  .slots{grid-template-columns:repeat(2,minmax(0,1fr))}
  .wide-step{display:none}
}
@media (prefers-reduced-motion: reduce){
  .glow,.sway{animation:none}
  .glow{opacity:.55}
  .hero-frame video{display:none}
  #grow .sticky{position:static}
  .growth{min-height:0}
  .growth .g{position:static;opacity:1;height:auto;margin-top:.6rem}
  .sentinel{display:none}
}

html.is-still .capsule{animation:none}
@media (prefers-reduced-motion:reduce){.capsule{animation:none}}

.shot{height:auto}
.gate{background:var(--paper);border:1px solid var(--line)}
.gate .shot{opacity:1}
@media (max-width:760px){.top{position:relative;flex-wrap:wrap}.top-actions{width:100%}.hero-frame .poster{height:auto;width:100%}.hero-copy{padding-left:0;padding-right:0}}

/* Balance the invitation across lines without changing locale copy. */
.hero-copy h1{text-wrap:balance}

/* Keep Chinese and Japanese invitation phrases intact. */
.headline-phrase{display:inline-block;white-space:nowrap}
html[lang="zh-Hant"] .hero-copy h1,html[lang="ja"] .hero-copy h1{font-size:clamp(2rem,3.3vw,3rem);text-wrap:wrap}
@media(max-width:760px){html[lang="zh-Hant"] .hero-copy h1,html[lang="ja"] .hero-copy h1{font-size:2.4rem}}