:root{--bg: #140d0b;--ink: #f7efe2;--muted: #c9b8a6;--red: #d62828;--red2: #a50f17;--gold: #e9b949;--green: #4caf50;--card: rgba(30, 18, 14, .92);--line: rgba(233, 185, 73, .25);--font: "Zen Maru Gothic", system-ui, -apple-system, sans-serif;--brush: "Yuji Syuku", "Hiragino Mincho ProN", serif}*{box-sizing:border-box}html,body{margin:0;height:100%;background:var(--bg);color:var(--ink);font-family:var(--font);overflow:hidden;-webkit-tap-highlight-color:transparent}body.at-hub{overflow:auto}button{font-family:inherit}.hidden{display:none!important}#stage{position:fixed;inset:0;touch-action:none}#stage canvas{display:block}#hub{position:relative;z-index:5;min-height:100%;padding:48px 16px 40px;background:radial-gradient(1200px 600px at 50% -10%,rgba(214,40,40,.28),transparent 60%),radial-gradient(800px 500px at 100% 100%,rgba(233,185,73,.12),transparent 60%),var(--bg)}.hub-head{max-width:1320px;margin:0 auto 32px;text-align:center}.brand{margin:0;font-size:clamp(36px,7vw,64px);font-weight:900;letter-spacing:.02em}.brand .mark{font-family:var(--brush);color:var(--red);background:var(--ink);border-radius:14px;padding:0 12px;margin-right:6px;font-weight:400}.hub-sub{color:var(--muted);font-size:17px;line-height:1.6;margin:12px 0 0}.games{max-width:1320px;margin:0 auto;display:grid;gap:16px;grid-template-columns:repeat(4,minmax(0,1fr))}@media (max-width: 1180px){.games{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (max-width: 880px){.games{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width: 560px){.games{grid-template-columns:1fr}}.gcard{text-decoration:none;display:flex;flex-direction:column;text-align:left;color:inherit;cursor:pointer;padding:0;overflow:hidden;border-radius:20px;border:1px solid var(--line);background:linear-gradient(180deg,#ffffff0d,#ffffff05);transition:transform .2s,border-color .2s,box-shadow 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0;font-size:15px;max-width:640px;line-height:1.6}#hud{position:fixed;inset:0;pointer-events:none;z-index:10}.hud-top{display:flex;justify-content:space-between;align-items:flex-start;padding:14px 16px;padding-top:max(14px,env(safe-area-inset-top))}#hud-title{font-size:20px;font-weight:900;text-shadow:0 2px 10px rgba(0,0,0,.6)}#hud-sub{font-size:14px;color:var(--muted);margin-top:2px;text-shadow:0 2px 8px rgba(0,0,0,.8)}#hud-sub b{color:var(--ink)}.hud-right{display:flex;gap:8px;pointer-events:auto}.icon-btn{width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#140d0bb3;backdrop-filter:blur(6px);cursor:pointer;display:grid;place-items:center}.icon-btn svg{width:22px;height:22px;fill:var(--ink)}.icon-btn:hover{border-color:var(--gold)}.icon-btn.off svg{fill:#6d5d52}#players{display:flex;flex-wrap:wrap;gap:6px;padding:0 16px;max-width:70%}.chip{display:flex;align-items:center;gap:6px;padding:5px 10px;border-radius:999px;background:#140d0bbf;border:1px solid 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#3b2a22;border-top-color:var(--red);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 600px){#hud-title{font-size:17px}#hud-sub{font-size:13px}.icon-btn{width:38px;height:38px}#players{max-width:100%;margin-top:4px}#hint{font-size:13px;padding:8px 14px;border-radius:16px}#gauge .power{width:150px}.toast{font-size:26px}.toast.big{font-size:34px}.lobby .code{font-size:46px}}#timing{position:absolute;left:50%;bottom:84px;transform:translate(-50%);display:flex;flex-direction:column;align-items:center;gap:6px}#timing .track{position:relative;width:260px;height:20px;border-radius:10px;background:#140d0bcc;border:1px solid var(--line);overflow:hidden}#timing .zone{position:absolute;top:0;bottom:0;background:linear-gradient(90deg,#4caf5066,#4caf50e6,#4caf5066)}#timing .mark{position:absolute;top:-2px;bottom:-2px;width:5px;margin-left:-2px;background:#fff;box-shadow:0 0 10px #fff;border-radius:3px}#timing .mark.in{background:#b9ff9c;box-shadow:0 0 14px #8fe388}#timing span{font-size:12px;font-weight:900;letter-spacing:.2em;color:var(--ink);text-shadow:0 2px 6px #000}.chip .pscore{color:var(--gold);font-weight:900}@media (max-width: 600px){#timing .track{width:200px}}.challenge{text-align:center;padding:10px 14px;border-radius:12px;background:#e9b94924;border:1px solid rgba(233,185,73,.45);color:var(--ink)}.challenge b{color:var(--gold)}