*{box-sizing:border-box}html,body{color:#e1f5fe;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;background:#021526;height:100%;margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;overflow:hidden}body{justify-content:center;align-items:center;display:flex}#stage{aspect-ratio:16/9;width:min(100vw,177.778vh);position:relative}#game{touch-action:none;cursor:pointer;border-radius:10px;outline:none;width:100%;height:100%;display:block;box-shadow:0 10px 40px #0009}#pause-btn{color:#fff;cursor:pointer;background:#00000059;border:none;border-radius:50%;width:42px;height:42px;font-size:18px;position:absolute;bottom:10px;right:10px}#overlay{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#02152699;border-radius:10px;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}#overlay[hidden],#pause-btn[hidden]{display:none}.panel{text-align:center;background:#012846d9;border:2px solid #81d4fa80;border-radius:16px;max-width:90%;padding:clamp(14px,3vw,28px) clamp(18px,4vw,40px)}.panel h1{color:#fff59d;margin:0 0 10px;font-size:clamp(22px,4vw,38px)}.panel p{margin:6px 0;font-size:clamp(12px,1.8vw,16px);line-height:1.5}.panel .score{color:#fff;font-size:clamp(16px,2.6vw,22px);font-weight:700}.panel .score:empty{display:none}.panel .record{color:#81d4fa}kbd{background:#ffffff14;border:1px solid #81d4fa;border-radius:4px;padding:1px 6px;font-family:inherit}#play{color:#3e2723;cursor:pointer;background:#fbc02d;border:none;border-radius:999px;margin-top:12px;padding:10px 28px;font-size:clamp(15px,2.2vw,19px);font-weight:700;box-shadow:0 4px #c49000}#play:hover,#play:focus-visible{background:#ffd54f}#play:active{transform:translateY(2px);box-shadow:0 2px #c49000}