@import"https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Noto+Serif+JP:wght@600;700;900&display=swap";:root{color-scheme:light;font-family:DM Sans,Hiragino Kaku Gothic ProN,sans-serif;color:#30251e;background:#f6f0e5;font-synthesis:none;--bg: #f6f0e5;--surface: rgba(255, 253, 247, .82);--surface-solid: #fffdf7;--text: #30251e;--muted: #796a5e;--line: rgba(83, 58, 39, .14);--accent: #df563c;--accent-dark: #a93424;--shadow: 0 24px 70px rgba(67, 43, 24, .12)}:root[data-theme=dark]{color-scheme:dark;--bg: #171412;--surface: rgba(38, 33, 29, .88);--surface-solid: #26211d;--text: #f6ebd9;--muted: #b9aa99;--line: rgba(255, 231, 198, .12);--accent: #ef7258;--accent-dark: #ff9b77;--shadow: 0 24px 80px rgba(0, 0, 0, .32)}*{box-sizing:border-box}html{min-width:320px;min-height:100%;background:var(--bg)}body{min-width:320px;min-height:100vh;margin:0;background:radial-gradient(circle at 10% 18%,rgba(220,169,88,.12),transparent 28rem),radial-gradient(circle at 88% 72%,rgba(223,86,60,.07),transparent 28rem),var(--bg);color:var(--text);transition:color .18s ease,background-color .18s ease}button,a{-webkit-tap-highlight-color:transparent}.page-shell{width:min(1120px,calc(100% - 40px));margin:0 auto}.site-header{display:flex;align-items:center;justify-content:space-between;height:84px;border-bottom:1px solid var(--line)}.brand{display:inline-flex;align-items:center;gap:12px;color:var(--text);font-family:"Noto Serif JP",serif;font-size:1.08rem;font-weight:900;letter-spacing:.03em;text-decoration:none}.brand-mark{display:grid;width:36px;aspect-ratio:1;place-items:center;clip-path:polygon(50% 0,92% 26%,84% 100%,16% 100%,8% 26%);background:var(--text);color:var(--bg);font-size:.9rem}.header-actions{display:flex;gap:8px}.icon-button{display:grid;width:42px;height:42px;padding:10px;place-items:center;border:1px solid var(--line);border-radius:50%;background:var(--surface);color:var(--text);cursor:pointer;text-decoration:none;transition:transform .15s ease,border-color .15s ease}.icon-button:hover{transform:translateY(-2px);border-color:var(--accent)}.icon-button svg{width:20px;fill:currentColor}.icon-button .sun,.icon-button .moon{display:block;font-size:1.25rem;line-height:1}.icon-button .moon{display:none}:root[data-theme=dark] .icon-button .sun{display:none}:root[data-theme=dark] .icon-button .moon{display:block}main{padding:70px 0 52px}.hero{margin:0 auto 42px;text-align:center}.eyebrow{margin:0 0 13px;color:var(--accent);font-size:.76rem;font-weight:700;letter-spacing:.2em;text-transform:uppercase}.hero h1{margin:0;font-family:"Noto Serif JP",serif;font-size:clamp(2.6rem,7vw,5.4rem);font-weight:900;letter-spacing:-.055em;line-height:1}.hero h1 em{color:var(--accent);font-style:normal}.hero>p:last-child{margin:22px auto 0;color:var(--muted);font-size:clamp(.9rem,2vw,1rem)}.game-card{width:min(820px,100%);margin:0 auto;overflow:hidden;border:1px solid var(--line);border-radius:24px;background:var(--surface);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.game-status{display:flex;align-items:center;justify-content:space-between;min-height:66px;padding:14px 24px;border-bottom:1px solid var(--line);font-size:.92rem;font-weight:700}.game-status>div{display:flex;align-items:center;gap:9px}.status-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 5px color-mix(in srgb,var(--accent) 14%,transparent)}.piece-counts span{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-size:.78rem}.piece-counts b{color:var(--text)}.count-chip{width:10px;height:10px;border:1px solid #7d471f;transform:rotate(45deg);background:#f4d693}.count-chip.p2{background:#4b2717}.canvas-wrap{position:relative;display:grid;width:100%;place-items:center;background:linear-gradient(135deg,rgba(255,255,255,.35),transparent 45%),color-mix(in srgb,var(--surface-solid) 86%,#d8b778)}#game-canvas{display:block;max-width:720px;aspect-ratio:1;cursor:grab;touch-action:none}#game-canvas.is-aiming{cursor:grabbing}.result-panel{position:absolute;inset:0;display:grid;place-content:center;justify-items:center;background:#1e1611b8;color:#fffaf0;text-align:center;-webkit-backdrop-filter:blur(7px);backdrop-filter:blur(7px)}.result-panel[hidden]{display:none}.result-kicker{margin:0 0 8px;color:#f0bc75;font-size:.74rem;font-weight:700;letter-spacing:.22em}.result-panel h2{margin:0 0 24px;font-family:"Noto Serif JP",serif;font-size:clamp(2rem,8vw,4rem)}.result-panel button{padding:13px 24px;border:0;border-radius:999px;background:var(--accent);color:#fff;font:inherit;font-weight:700;cursor:pointer}.game-hint{margin:0;padding:17px 20px;border-top:1px solid var(--line);color:var(--muted);font-size:.8rem;text-align:center}.game-hint span{margin-right:5px;color:var(--accent);font-weight:700}@media(max-width:640px){.page-shell{width:min(100% - 20px,1120px)}.site-header{height:68px}.brand-mark{width:31px}.icon-button{width:38px;height:38px;padding:9px}main{padding:46px 0 32px}.hero{margin-bottom:30px}.hero>p:last-child{width:86%;line-height:1.7}.game-card{border-radius:16px}.game-status{min-height:60px;padding:12px 15px}.piece-counts{gap:9px}.piece-counts span{gap:4px;font-size:.7rem}.game-hint{font-size:.72rem}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto;transition-duration:.01ms}}