.board-frame{display:grid;grid-template-columns:repeat(8,1fr);grid-template-rows:repeat(8,1fr);width:100%;aspect-ratio:1;padding:10px;border-radius:18px;background:linear-gradient(160deg,#8a5228,var(--wood) 38%,var(--wood-dark));box-shadow:0 18px 40px #00000073,inset 0 1px #ffffff2e}.cell{position:relative;border:1px solid var(--felt-line);background:linear-gradient(180deg,rgba(255,255,255,.08),transparent 32%),repeating-linear-gradient(90deg,rgba(0,0,0,.03) 0 1px,transparent 1px 7px),var(--felt);padding:0;overflow:hidden;cursor:default}.cell:nth-child(8n+1){border-left-color:#062812cc}.cell:nth-child(-n+8){border-top-color:#062812cc}.cell.is-playable:not(:disabled){cursor:pointer}.cell:disabled{cursor:default}.hint-dot{position:absolute;top:38%;right:38%;bottom:38%;left:38%;border-radius:50%;opacity:.55;pointer-events:none}.hint-dot.black{background:#0a0a0a8c}.hint-dot.white{background:#ffffffb3}.stone{position:absolute;top:11%;right:11%;bottom:11%;left:11%;perspective:120px}.stone-inner{width:100%;height:100%;position:relative;transform-style:preserve-3d;transition:transform .42s cubic-bezier(.2,.8,.2,1)}.stone-inner.white{transform:rotateY(180deg)}.stone-inner.black{transform:rotateY(0)}.stone-inner.is-flipping{transition-duration:.48s}.face{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:50%;backface-visibility:hidden;box-shadow:inset 0 3px 6px #ffffff47,inset 0 -6px 10px #00000059,0 3px 5px #00000059}.black-face{background:radial-gradient(circle at 32% 28%,#4a4a4a,var(--black-stone) 58%)}.white-face{background:radial-gradient(circle at 32% 28%,#ffffff,var(--white-stone) 60%);transform:rotateY(180deg)}.cell.is-hopping .stone{animation:stone-hop .28s ease-out}@keyframes stone-hop{0%,to{transform:translateY(0) scale(1)}40%{transform:translateY(-12px) scale(1.08)}}@media(hover:hover){.cell.is-playable:not(:disabled):hover{background:#14934a}}.modal-backdrop{position:absolute;top:0;right:0;bottom:0;left:0;z-index:8;display:grid;place-items:center;background:#0805038c;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);border-radius:18px}.modal-card{width:min(86%,320px);padding:22px 20px 18px;border-radius:18px;background:#24180f;border:2px solid rgba(244,239,228,.8);text-align:center;box-shadow:0 16px 40px #0006}.modal-kicker{margin:0;color:var(--muted);font-size:12px}.modal-card h2{margin:6px 0 14px;font-family:"M PLUS Rounded 1c",sans-serif;letter-spacing:.12em}.modal-scores{display:flex;justify-content:center;gap:18px;font-weight:800}.modal-scores p{margin:0;display:flex;align-items:center;gap:8px}.modal-winner{margin:14px 0 16px;font-size:22px;font-weight:900}.replay{width:100%;border:0;border-radius:12px;padding:12px 16px;background:#f4efe4;color:#24180f;font-weight:800;cursor:pointer}.replay:hover{filter:brightness(.95)}.table-flip-button{width:min(100%,520px);min-height:76px;border:5px solid #2a0704;border-radius:22px;background:radial-gradient(circle at 20% 20%,#ffea7a,transparent 36%),linear-gradient(180deg,#ff5a2d 0%,var(--danger) 48%,#b40d12 100%);color:#fff8e8;font-family:"M PLUS Rounded 1c",Noto Sans JP,sans-serif;font-size:clamp(32px,10vw,48px);font-weight:900;letter-spacing:.08em;display:flex;align-items:center;justify-content:center;gap:10px;cursor:pointer;box-shadow:0 10px #6a0b0d,0 18px 28px #ff3b2f59,inset 0 2px #ffffff73;text-shadow:0 3px 0 rgba(90,10,10,.55);animation:idle-throb 1.4s ease-in-out infinite;touch-action:manipulation}.table-flip-button .fist{font-size:1.05em;filter:drop-shadow(0 3px 0 rgba(0,0,0,.25))}.table-flip-button:disabled{cursor:not-allowed;filter:saturate(.65) brightness(.85);animation:none}.table-flip-button:not(:disabled):active{transform:translateY(6px);box-shadow:0 4px #6a0b0d,0 8px 16px #ff3b2f4d}@media(hover:hover){.table-flip-button:not(:disabled):hover{animation:hover-shake .28s linear infinite}}@keyframes idle-throb{0%,to{transform:scale(1)}50%{transform:scale(1.03)}}@keyframes hover-shake{0%,to{transform:translate(0) rotate(0) scale(1.02)}25%{transform:translate(-3px,2px) rotate(-1.5deg) scale(1.02)}50%{transform:translate(3px,-2px) rotate(1.5deg) scale(1.02)}75%{transform:translate(-2px,-1px) rotate(-.8deg) scale(1.02)}}.app{min-height:100dvh;max-height:100dvh;overflow:hidden;max-width:640px;margin:0 auto;padding:10px 16px calc(16px + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:8px}.header{text-align:center}.eyebrow{margin:0 0 4px;color:var(--muted);font-size:12px;letter-spacing:.08em}.header h1{margin:0;font-family:"M PLUS Rounded 1c",Noto Sans JP,sans-serif;font-size:clamp(28px,8vw,42px);letter-spacing:.04em}.score-row{display:flex;justify-content:center;gap:18px;margin-top:12px}.score,.turn{display:inline-flex;align-items:center;justify-content:center;gap:8px}.score{min-width:108px;padding:8px 14px;border-radius:999px;background:var(--panel);border:1px solid rgba(255,255,255,.06);font-weight:700;font-variant-numeric:tabular-nums}.score.active{box-shadow:0 0 0 2px #ffd23ab3}.turn{margin:12px 0 0;font-size:20px;font-weight:900}.pip{width:16px;height:16px;border-radius:50%;display:inline-block;box-shadow:inset 0 1px 2px #ffffff59,0 1px 2px #00000073}.pip.black{background:radial-gradient(circle at 32% 28%,#555,var(--black-stone) 58%)}.pip.white{background:radial-gradient(circle at 32% 28%,#fff,var(--white-stone) 62%)}.main{display:flex;justify-content:center}.board-wrap{position:relative;width:min(92vw,480px,calc(100dvh - 330px));margin:0 auto}.board-wrap.is-shaking{animation:board-slam .56s linear both}.footer{margin-top:auto;display:flex;flex-direction:column;align-items:center;gap:8px}.hint{margin:0;color:var(--muted);font-size:14px}.hint.urgent{color:#ffd23a;font-weight:800;animation:hint-pulse .9s ease-in-out infinite}.don{position:absolute;left:0;right:0;top:10px;display:flex;justify-content:center;pointer-events:none;z-index:7}.don span{font-family:"M PLUS Rounded 1c",sans-serif;font-size:clamp(40px,9vw,72px);font-weight:900;color:#fff8d6;white-space:nowrap;text-shadow:0 0 8px #ff3b2f,4px 4px 0 #9a120c,-3px 2px 0 #ffd23a;animation:don-pop .7s cubic-bezier(.2,1.4,.3,1) both}.result-banner{position:absolute;left:50%;top:12%;transform:translate(-50%);z-index:6;min-width:70%;padding:14px 18px;border-radius:16px;background:#120a06f0;border:2px solid #f4efe4;color:#fff8e8;text-align:center;display:flex;flex-direction:column;gap:4px;font-size:18px;font-weight:800;line-height:1.35;animation:banner-in .25s ease-out}.result-banner.success{border-color:#ffd23a;color:#ffd23a}.result-banner.fail{border-color:#ff8b82;color:#ffb4ae}.result-banner.neutral{border-color:#cbbfa8}.slam-flash{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:20;animation:slam-flash .45s ease-out both}@keyframes board-slam{0%{transform:translate(0) rotate(0)}12%{transform:translate(-18px,10px) rotate(-2.4deg)}24%{transform:translate(16px,-12px) rotate(2.1deg)}36%{transform:translate(-14px,-8px) rotate(-1.6deg)}48%{transform:translate(12px,11px) rotate(1.8deg)}60%{transform:translate(-8px,6px) rotate(-1deg)}76%{transform:translate(6px,-4px) rotate(.6deg)}to{transform:translate(0) rotate(0)}}@keyframes don-pop{0%{opacity:0;transform:scale(.2) rotate(-18deg)}18%{opacity:1;transform:scale(1.28) rotate(6deg)}55%{transform:scale(1.02) rotate(-2deg)}80%{opacity:1}to{opacity:0;transform:scale(1.15) rotate(0)}}@keyframes banner-in{0%{opacity:0;transform:translate(-50%,-8px)}to{opacity:1;transform:translate(-50%)}}@keyframes slam-flash{0%{background:#fff8d600}12%{background:#fff8d638}to{background:#ff502800}}@keyframes hint-pulse{0%,to{opacity:1}50%{opacity:.55}}@media(min-width:720px){.app{padding-top:16px}}:root{color-scheme:dark;--felt: #0f7a3e;--felt-dark: #0a5c2e;--felt-line: rgba(6, 40, 18, .55);--wood: #6b3e1f;--wood-dark: #3d2110;--ink: #f4efe4;--muted: #cbbfa8;--bg: #16110c;--panel: rgba(28, 20, 12, .72);--black-stone: #141414;--white-stone: #f6f3ea;--danger: #ff3b2f;--danger-hot: #ffd23a}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%}body{font-family:Noto Sans JP,Hiragino Sans,sans-serif;background:radial-gradient(1200px 700px at 50% -10%,rgba(255,80,40,.16),transparent 55%),radial-gradient(800px 500px at 100% 100%,rgba(20,90,50,.2),transparent 50%),var(--bg);color:var(--ink)}button,.cell{-webkit-tap-highlight-color:transparent}button{font-family:inherit}