:root{color-scheme:dark;font-family:Arial,Helvetica,sans-serif;background:#090c12;color:#edf3fb}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer;color:inherit}button:disabled{cursor:default;opacity:.35}:focus-visible{outline:2px solid #f9dc48;outline-offset:4px}header{height:76px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 5vw;border-bottom:1px solid #242c38}.brand{display:flex;align-items:center;font-weight:900;font-size:20px;letter-spacing:-.04em}.brand img{margin-right:9px}.brand span{color:#f9dc48}.back{font-size:14px;color:#a7b4c6}.back:hover{color:#f9dc48}main{max-width:1050px;margin:0 auto;padding:30px 24px 60px}.intro{margin-bottom:28px}.tag,.overline{font-size:11px;letter-spacing:.18em;font-weight:700;color:#7af8e0}h1{font-size:clamp(38px,6vw,64px);font-style:italic;font-weight:900;letter-spacing:-.055em;margin:8px 0}h1 span{color:#7af8e0}.intro p{color:#8699b0;font-size:16px;margin:0}.layout{display:grid;grid-template-columns:minmax(0,480px) minmax(220px,1fr);gap:40px;align-items:start}.machine{max-width:480px;width:100%;border:1px solid #32414f;border-radius:16px;overflow:hidden;background:#0f1620;box-shadow:0 0 60px #20eac908}.hud{height:64px;display:flex;align-items:center;gap:32px;padding:10px 20px}.hud>div{min-width:80px}.hud span{display:block;font-size:10px;letter-spacing:.15em;color:#8a9aac}.hud strong{display:block;font-size:24px;font-variant-numeric:tabular-nums;margin-top:2px}#energy{color:#7af8e0}#pause{margin-left:auto;width:40px;height:40px;border:1px solid #394553;border-radius:8px;background:#1c2633;font-size:20px}.stage{position:relative;aspect-ratio:480/760;background:#071019}canvas{display:block;width:100%;height:100%;touch-action:none}.overlay{position:absolute;inset:0;display:grid;place-items:center;background:linear-gradient(#050c1680,#07101ad9);padding:26px;text-align:center}.overlay[hidden]{display:none}.overlay-content{max-width:330px}.overlay h2{font-size:clamp(30px,5vw,44px);letter-spacing:-.045em;line-height:1.05;margin:20px 0}.overlay p{font-size:15px;line-height:1.6;color:#bbc8d9}.primary{background:#f9dc48;color:#111720;border:0;border-radius:8px;min-height:50px;padding:14px 24px;font-weight:800;font-size:16px;width:100%;margin:16px 0 6px}.primary:hover{background:#ffe875}.overlay .hint{font-size:12px;color:#8b9cb2}.result{font-size:30px;color:#7af8e0;font-weight:800;margin:20px 0}.controls{height:66px;display:flex;align-items:center;justify-content:space-between;padding:10px 14px;gap:10px}.controls button{border:1px solid #354a59;border-radius:8px;background:#1b2a36;min-height:44px;width:115px;font-size:23px;touch-action:none;user-select:none;-webkit-user-select:none}.controls button:active{background:#2b5060}.controls button span{font-size:10px;letter-spacing:.1em;vertical-align:middle}.speed{font-variant-numeric:tabular-nums;white-space:nowrap}.speed strong{font-size:21px}.speed small{color:#8498ae;font-size:11px}.status{font-size:11px;color:#8fa5ba;padding:0 14px 12px;text-align:center;min-height:25px}aside{padding-top:6px}.record{padding:28px;background:linear-gradient(140deg,#142d30,#101923);border:1px solid #294c4c;border-radius:12px}.record strong{display:block;font-size:58px;margin:12px 0;color:#f9dc48;font-variant-numeric:tabular-nums;letter-spacing:-.06em}.record p,.keys p{color:#91a4b9;font-size:14px;line-height:1.6}.record p{margin-bottom:0}.how,.keys{margin-top:32px}aside h2{font-size:18px;margin:0 0 22px}.rule{display:flex;align-items:flex-start;gap:16px;margin-bottom:22px}.rule p{margin:0;font-size:14px;line-height:1.6;color:#91a4b9}.rule b{display:block;color:#e2ecf5;font-size:15px;margin-bottom:3px}.symbol{width:36px;height:36px;flex-shrink:0;border-radius:8px;background:#17212e;display:grid;place-items:center;font-size:24px}.cyan{color:#7af8e0}.pink{color:#ff65a7}.yellow{color:#f9dc48}kbd{font-family:inherit;display:inline-block;padding:3px 7px;border:1px solid #344150;border-radius:4px;font-size:12px;color:#e2ecf5}.local-note{font-size:12px;color:#76899e;line-height:1.6;border-top:1px solid #26313f;padding-top:20px;margin-top:26px}footer{max-width:1002px;margin:0 auto;padding:24px;border-top:1px solid #252e3a;color:#8899ad;font-size:12px;display:flex;justify-content:space-between;gap:20px}
@media(min-width:760px) and (min-height:800px){.stage{max-height:calc(100svh - 285px);min-height:440px;aspect-ratio:auto}canvas{object-fit:contain}}
@media(max-width:759px){header{height:62px;padding:0 16px}.brand{font-size:17px}.back{font-size:12px}main{padding:20px 12px 36px}.intro{margin-bottom:18px}.intro .tag{font-size:10px}.intro h1{font-size:36px}.intro p{font-size:14px}.layout{display:flex;flex-direction:column;gap:24px;align-items:center}.machine{max-width:440px}.stage{height:clamp(260px,calc(100svh - 340px),600px);aspect-ratio:auto}canvas{object-fit:contain}.hud{height:54px}.hud strong{font-size:21px}.controls{height:60px}aside{max-width:440px;width:100%}.record{padding:20px}.record strong{font-size:44px}.overlay{padding:18px}.overlay h2{font-size:32px}.overlay p{font-size:14px}.overlay .hint{font-size:11px}.overline{font-size:10px}.primary{margin-top:8px}footer{margin:0 12px;font-size:11px}footer span{text-align:right}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}