:root{--stage-background:radial-gradient(ellipse at 50% 12%,#234865 0%,#142c48 30%,#0b1b32 59%,#050d1b 100%);color-scheme:dark;font-family:Arial,Helvetica,sans-serif;background:#050d1b;color:#e8eef5}
*{box-sizing:border-box}body{margin:0}#journey{height:100svh}
main{position:sticky;top:0;width:100%;height:100svh;min-height:280px;overflow:hidden;background:var(--stage-background)}
canvas{display:block;width:100%;height:100%;opacity:0;transition:opacity 200ms ease}main[data-ready] canvas{opacity:1}
[hidden]{display:none!important}.interface{position:absolute;inset:0;pointer-events:none}
.interface{opacity:0}
#intro-layer{position:absolute;inset:0;z-index:5;display:grid;place-items:center;pointer-events:none;overflow:hidden}
#intro-backdrop{position:absolute;inset:0;background:var(--stage-background)}
#intro-logo{position:relative;width:min(84vw,1120px);height:auto;overflow:visible;will-change:transform,opacity}
.intro-spin{transform-box:view-box;transform-origin:1282px 454px;animation:intro-swirl 8s linear infinite}
.intro-light{animation:intro-breathe 4s ease-in-out infinite}
@keyframes intro-swirl{to{transform:rotate(360deg)}}
@keyframes intro-breathe{0%,100%{filter:brightness(1)}50%{filter:brightness(1.15)}}
.intro-inactive .intro-spin,.intro-inactive .intro-light,.page-hidden .intro-spin,.page-hidden .intro-light{animation-play-state:paused}
header{position:absolute;top:32px;left:40px;right:40px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:#b9cadb}
#brand{font-size:16px;font-weight:600;letter-spacing:.015em;text-decoration:none;color:#f2f6fa;pointer-events:auto}
.caption{position:absolute;left:40px;top:39%;width:min(25vw,320px)}
.caption p{margin:0 0 12px;font-size:13px;line-height:1.6;color:#b9cadb}
.caption h1{margin:0 0 18px;font-size:clamp(25px,2.7vw,42px);line-height:1.1;font-weight:500;letter-spacing:-.045em;text-wrap:balance}
.caption #story{max-width:290px;font-size:15px;line-height:1.65}
main[data-step="0"] #story{max-width:440px;margin-inline:auto}
main[data-step="0"] .caption{top:110px;width:auto;right:40px;text-align:center}main[data-step="0"] .caption h1{font-size:24px}
footer{position:absolute;left:40px;right:40px;bottom:max(28px,env(safe-area-inset-bottom));display:flex;align-items:center;justify-content:space-between;gap:16px}
#scroll-hint{font-size:12px;color:#b9cadb}nav{display:flex;gap:8px;pointer-events:auto}
button{width:44px;height:44px;border:1px solid #8399af;border-radius:50%;background:#142c48cc;color:#edf4fb;font-size:20px;cursor:pointer}
button:disabled{opacity:.35;cursor:default}button:focus-visible,a:focus-visible{outline:3px solid #8bd6ff;outline-offset:4px}
@media(hover:hover) and (pointer:fine){button:hover:not(:disabled){background:#234865}}
#status{position:absolute;left:40px;bottom:95px;font-size:12px;line-height:1.5;max-width:300px;margin:0}
main:not([data-ready]) #status{left:0;right:0;bottom:50%;max-width:none;text-align:center}
#retry{position:absolute;left:40px;bottom:130px;width:auto;height:38px;border-radius:4px;padding:0 16px;font-size:13px}
.progress{position:absolute;bottom:0;left:0;right:0;height:2px;background:#142c48}
#progress-fill{height:100%;background:#a7c9e5;transform-origin:left;transform:scaleX(0)}
#fallback,.static-lineup{position:absolute;width:100%;height:100%;object-fit:contain}
@media(max-width:700px){
  #intro-logo{width:92vw}
  header{top:24px;left:22px;right:22px}#brand{font-size:15px}
  .caption,main[data-step="0"] .caption{top:90px;left:22px;right:22px;width:auto;text-align:left;max-width:310px}
  .caption h1,main[data-step="0"] .caption h1{font-size:26px;margin-bottom:8px}.caption p{font-size:12px;margin-bottom:5px}.caption #story{max-width:310px;font-size:13px;line-height:1.55}main[data-step="0"] #story{margin-inline:0}
  footer{left:22px;right:22px;bottom:max(22px,env(safe-area-inset-bottom));align-items:flex-end}
  #scroll-hint{max-width:100px;line-height:1.5}nav{gap:4px}button{width:44px;height:44px}#status{left:22px;bottom:84px;max-width:270px}
}
@media(prefers-reduced-motion:reduce){canvas{transition:none}.intro-spin,.intro-light{animation:none}#intro-logo{will-change:opacity}}