#flash-memory-game,#flash-memory-game *{box-sizing:border-box}#flash-memory-game{--ink: #17243b;--blue: #276fbf;--deep: #174b85;--gold: #ffd166;--soft: #eef7ff;width:min(100%,560px);min-height:min(690px,calc(100svh - 110px));padding:18px 14px;border-radius:20px;overflow:hidden;color:var(--ink);background:linear-gradient(160deg,#f7fbff,#e5f3ff);font-family:Hiragino Kaku Gothic ProN,Yu Gothic,Meiryo,sans-serif;text-align:center}#flash-memory-game h1{margin:0;font-size:clamp(1.65rem,7vw,2.25rem);line-height:1.15;color:#143e68}#flash-memory-game .tagline{margin:5px 0 14px;color:#405b73;font-weight:700}#flash-memory-game .hud{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-bottom:10px}#flash-memory-game .stat{min-width:0;padding:7px 3px;border:1px solid #bfd7eb;border-radius:10px;background:#ffffffe6}#flash-memory-game .stat span{display:block;color:#536b80;font-size:.7rem;font-weight:700}#flash-memory-game .stat strong{display:block;margin-top:1px;color:#143e68;font-size:1.05rem;font-variant-numeric:tabular-nums}#flash-memory-game .status{min-height:42px;display:grid;place-items:center;margin:0 auto 10px;padding:7px 12px;border-radius:12px;background:#fff;color:#143e68;font-size:1.05rem;font-weight:800}#flash-memory-game .board{width:min(82vw,390px,calc(100svh - 300px));min-width:264px;aspect-ratio:1;display:grid;gap:7px;margin:0 auto;touch-action:manipulation}#flash-memory-game .cell{min-width:44px;min-height:44px;padding:0;border:3px solid #92b8d8;border-radius:13px;background:#fff;color:#143e68;cursor:pointer;font:800 1.25rem/1 inherit;-webkit-tap-highlight-color:transparent}#flash-memory-game .cell:focus-visible,#flash-memory-game button:focus-visible{outline:4px solid #e28a00;outline-offset:3px}#flash-memory-game .cell.is-lit{border-color:#9a6500;background:var(--gold);box-shadow:inset 0 0 0 4px #fff1b8}#flash-memory-game .cell.is-picked{border-color:var(--blue);background:#d9ecff}#flash-memory-game .cell.is-picked:after{content:"✓"}#flash-memory-game .cell.is-wrong{border-color:#a61b35;background:#ffe5ea}#flash-memory-game .cell.is-wrong:after{content:"×"}#flash-memory-game .cell.is-missed{border-color:#7c5200;background:#fff0b8}#flash-memory-game .cell.is-missed:after{content:"!"}#flash-memory-game .primary{min-height:52px;margin-top:14px;padding:12px 28px;border:0;border-radius:14px;background:var(--blue);color:#fff;box-shadow:0 4px 0 var(--deep);cursor:pointer;font:800 1.15rem/1 inherit}#flash-memory-game .primary:active{transform:translateY(2px);box-shadow:0 2px 0 var(--deep)}#flash-memory-game .hint{margin:12px 0 0;color:#4d657b;font-size:.82rem;line-height:1.4}#flash-memory-game .result{display:none;width:min(100%,390px);margin:28px auto 0;padding:24px 18px;border:3px solid #6ba5d5;border-radius:18px;background:#fff}#flash-memory-game .result h2{margin:0 0 14px;color:#143e68}#flash-memory-game .result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}#flash-memory-game .result-grid span{padding:10px 4px;border-radius:10px;background:var(--soft);color:#4d657b;font-size:.72rem;font-weight:700}#flash-memory-game .result-grid strong{display:block;margin-top:4px;color:#143e68;font-size:1.35rem}#flash-memory-game.is-finished .play-area,#flash-memory-game.is-finished .hud{display:none}#flash-memory-game.is-finished .result{display:block}#flash-memory-game.round-clear .status{color:#155c39;box-shadow:inset 0 0 0 3px #55a879}@media(max-width:390px){#flash-memory-game{min-height:calc(100svh - 92px);padding:12px 10px;border-radius:14px}#flash-memory-game .tagline{margin-bottom:9px}#flash-memory-game .status{margin-bottom:7px}}@media(prefers-reduced-motion:no-preference){#flash-memory-game .cell{transition:background .14s ease,border-color .14s ease,transform .12s ease}#flash-memory-game .cell.is-lit{transform:scale(.96)}#flash-memory-game.round-clear .status{animation:memory-pop .28s ease}@keyframes memory-pop{50%{transform:scale(1.035)}}}@media(prefers-reduced-motion:reduce){#flash-memory-game *,#flash-memory-game *:before,#flash-memory-game *:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}