:root{--sky:#9fd3f5;--ink:#2d3a2e;--muted:#5f6f60;--panel:#ffffffe6;--accent:#f4a340;--accent-ink:#3b2508}*{box-sizing:border-box}html,body{background:var(--sky);height:100%;color:var(--ink);touch-action:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent;overscroll-behavior:none;margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;overflow:hidden}#game{touch-action:none;width:100vw;height:100dvh;display:block;position:fixed;inset:0}[hidden]{display:none!important}#guides{pointer-events:none;position:fixed;inset:0}.guide{background:#ffffff73;border-radius:2px;position:absolute;top:50%}.guide-left{width:4px;height:96px;margin-top:-48px;left:12%}.guide-right{width:96px;height:4px;margin-top:-2px;right:12%}.guide-dot{background:#fff;border-radius:50%;width:18px;height:18px;margin:-9px 0 0 -9px;position:absolute;top:50%;left:50%;box-shadow:0 1px 4px #00000040}.panel{text-align:center;background:#14281e59;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.panel.clear{pointer-events:none;background:0 0}.card{background:var(--panel);border-radius:20px;max-width:min(90vw,440px);padding:20px 28px;box-shadow:0 8px 30px #0003}.card h1{margin:0 0 6px;font-size:clamp(26px,7vh,44px)}.card p{color:var(--muted);margin:4px 0}.card .hint{margin-top:12px;font-size:14px}.row{flex-wrap:wrap;justify-content:center;gap:12px;margin-top:14px;display:flex}button{background:var(--accent);min-height:48px;color:var(--accent-ink);font:inherit;cursor:pointer;border:0;border-radius:999px;padding:12px 26px;font-size:18px;font-weight:700}button.secondary{color:var(--ink);background:#fff;box-shadow:inset 0 0 0 2px #0000001a}.intro-title{color:#fff;text-shadow:0 2px 8px #00000059;font-size:clamp(24px,8vh,44px);font-weight:800}.hud{top:max(8px, env(safe-area-inset-top));font-variant-numeric:tabular-nums;pointer-events:none;background:#ffffffbf;border-radius:999px;gap:16px;padding:6px 16px;font-weight:700;display:flex;position:fixed;left:50%;transform:translate(-50%)}.rotate{z-index:10;background:var(--sky);text-align:center;justify-content:center;align-items:center;padding:24px;font-size:22px;font-weight:700;display:flex;position:fixed;inset:0}.loading{color:var(--ink);justify-content:center;align-items:center;font-size:20px;font-weight:700;display:flex;position:fixed;inset:0}.row.modes button{min-height:40px;padding:8px 18px;font-size:16px}.card .notice{color:#a4411b;margin-top:10px;font-weight:600}