:root{color-scheme:light;--bg: #efece3;--board: #f7f5ef;--surface: #faf9f5;--rule: #d9d3c6;--grid-line: var(--rule);--disc-neutral: #d5cfc1;--p1: #d9452c;--p2: #2a4ac2;--disc-face: #ffffff;--gold: #d8a23a;--symbol: #928b7d;--engrave: rgba(255, 255, 255, .5);--text: #191817;--text-dim: #7b7568;--on-ink: #f7f5ef;--tint-strength: 6.5%;--glow: .07;--ambient: .11;--disc-shadow: 0 1px 2px rgba(25, 24, 23, .18), 0 3px 7px rgba(25, 24, 23, .08);--disc-shadow-hover: 0 2px 3px rgba(25, 24, 23, .2), 0 8px 16px rgba(25, 24, 23, .12);--sheet-shadow: 0 24px 64px rgba(25, 24, 23, .24)}:root[data-theme=dark]{color-scheme:dark;--bg: #121211;--board: #1a1a18;--surface: #201f1c;--rule: #34322d;--disc-neutral: #3b3934;--p1: #ef6047;--p2: #5d7ef2;--disc-face: #2a2925;--gold: #e0b155;--symbol: #8d8678;--engrave: rgba(255, 255, 255, .42);--text: #f2efe7;--text-dim: #8b8578;--on-ink: #161512;--tint-strength: 5%;--glow: .07;--ambient: .13;--disc-shadow: 0 1px 2px rgba(0, 0, 0, .55), 0 4px 10px rgba(0, 0, 0, .35);--disc-shadow-hover: 0 2px 4px rgba(0, 0, 0, .6), 0 10px 20px rgba(0, 0, 0, .45);--sheet-shadow: 0 24px 64px rgba(0, 0, 0, .6)}:root{--tint-p1: color-mix(in srgb, var(--p1) var(--tint-strength), var(--bg));--tint-p2: color-mix(in srgb, var(--p2) var(--tint-strength), var(--bg));--radius: 4px;--radius-lg: 8px;--font: "Inter", "Noto Sans JP", "Noto Sans KR", system-ui, -apple-system, sans-serif;--t-flip: .3s;--t-flip-back: .3s;--t-pair: .4s;--t-paint: .38s;--t-steal: .15s;--t-turn: .3s;--t-tint: .52s;--t-winner: .52s;--t-ambient: 36s;--t-swell: 13s}*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%}body{background-color:var(--bg);color:var(--text);font-family:var(--font);font-weight:400;-webkit-font-smoothing:antialiased;transition:background-color var(--t-tint) ease,color .2s ease}body[data-turn=p1]{background-color:var(--tint-p1)}body[data-turn=p2]{background-color:var(--tint-p2)}#app{min-height:100%;display:flex;flex-direction:column;align-items:center;position:relative}#app:before,#app:after{content:"";position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;opacity:0;transition:opacity var(--t-tint) ease;z-index:0}#app:before{background:radial-gradient(120% 42% at 50% 0%,var(--p1),transparent 70%)}#app:after{background:radial-gradient(120% 42% at 50% 0%,var(--p2),transparent 70%)}body[data-turn=p1] #app:before,body[data-turn=p2] #app:after{opacity:var(--glow)}.ambient{position:fixed;top:0;right:0;bottom:0;left:0;z-index:-1;overflow:hidden;pointer-events:none}.ambient__band{--swell: 2.4vh;position:absolute;left:0;width:100%;bottom:10%;height:60%;transition:bottom var(--t-tint) ease,height var(--t-tint) ease;animation:ambient-swell var(--t-swell) ease-in-out infinite alternate}body[data-turn=p1] .ambient__band,body[data-turn=p2] .ambient__band{bottom:-14%;height:44%}.ambient__wave{position:absolute;top:0;left:0;width:max(240%,1680px);height:100%;opacity:var(--ambient);-webkit-mask-image:linear-gradient(to bottom,#000 0 46%,transparent 96%);mask-image:linear-gradient(to bottom,#000 0 46%,transparent 96%);animation:ambient-flow var(--t-flow, var(--t-ambient)) linear infinite;will-change:transform}.ambient__ink{fill:var(--wave-color, var(--text-dim));transition:fill var(--t-tint) ease}.ambient__ink--alt{fill:var(--p2);opacity:0}body[data-turn=p1]{--wave-color: var(--p1)}body[data-turn=p2]{--wave-color: var(--p2)}body[data-turn=menu],body[data-turn=end]{--wave-color: var(--p1)}body[data-turn=menu] .ambient__ink,body[data-turn=end] .ambient__ink{animation:ambient-ebb var(--t-hue) ease-in-out infinite alternate}body[data-turn=menu] .ambient__ink--alt,body[data-turn=end] .ambient__ink--alt{animation-name:ambient-flood}@keyframes ambient-flow{0%{transform:translateZ(0)}to{transform:translate3d(-50%,0,0)}}@keyframes ambient-swell{0%{transform:translate3d(0,calc(var(--swell) * -1),0)}to{transform:translate3d(0,var(--swell),0)}}@keyframes ambient-ebb{0%{opacity:1}50%{opacity:.28}to{opacity:0}}@keyframes ambient-flood{0%{opacity:0}50%{opacity:.28}to{opacity:1}}.stage{position:relative;z-index:1;width:100%;max-width:480px;min-height:100dvh;padding:max(14px,env(safe-area-inset-top)) 20px max(20px,env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:14px}.label{font-size:10.5px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--text-dim)}.wordmark{font-size:13px;font-weight:800;letter-spacing:.3em;text-transform:uppercase}.rule{height:1px;background:var(--rule)}.icon-btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;background:none;padding:6px;margin:-6px;color:var(--text-dim);cursor:pointer;display:grid;place-items:center;transition:color .14s ease}.icon-btn:hover{color:var(--text)}.icon{width:20px;height:20px;display:block}.text-btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;background:none;font:inherit;font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--text-dim);padding:6px 2px;cursor:pointer;transition:color .14s ease}.text-btn:hover{color:var(--text)}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--text);border-radius:var(--radius);padding:13px 22px;font:inherit;font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--on-ink);background:var(--text);cursor:pointer;transition:transform .12s ease,background-color .14s ease,color .14s ease}.btn:active{transform:translateY(1px)}.btn--ghost{color:var(--text-dim);background:transparent;border-color:var(--rule)}.btn--ghost:hover{color:var(--text);border-color:var(--text-dim)}:where(button,a):focus-visible{outline:2px solid var(--text);outline-offset:3px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px}.topbar__tools{display:flex;align-items:center;gap:14px;white-space:nowrap}.statusbar{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding-top:10px;border-top:1px solid var(--rule);white-space:nowrap}.statusbar__meta{font-variant-numeric:tabular-nums}.board-slot{flex:1;display:flex;align-items:center;justify-content:center}.turn{align-self:center;display:flex;align-items:center;gap:12px;padding:4px 0}.turn[data-player=p1]{--turn-color: var(--p1)}.turn[data-player=p2]{--turn-color: var(--p2)}.turn[data-player=end]{--turn-color: var(--text-dim)}.turn__dot{width:10px;height:10px;background:var(--turn-color, transparent);flex:none;transition:background-color var(--t-tint) ease}.turn__tag{font-weight:800;font-size:15px;letter-spacing:.2em;color:var(--turn-color, var(--text));transition:color var(--t-tint) ease}.turn__label{font-size:10.5px;font-weight:600;letter-spacing:.22em;color:var(--text-dim)}.turn[data-player=end] .turn__label,.turn[data-human="0"] .turn__label{display:none}.turn.is-changed{animation:turn-pop var(--t-turn) ease-out}@keyframes turn-pop{0%{transform:translateY(6px);opacity:.3}to{transform:none;opacity:1}}.result{position:fixed;top:0;right:0;bottom:0;left:0;z-index:10;display:grid;place-items:center;padding:20px;pointer-events:none}.result[hidden]{display:none}.result[data-stage=counting] .result__hero{visibility:hidden}.result__hero{display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center;padding:26px 30px 24px;min-width:min(320px,86vw);background:var(--surface);border:1px solid var(--rule);border-radius:var(--radius-lg);box-shadow:var(--sheet-shadow)}.result__title{margin:0;white-space:nowrap;font-size:clamp(30px,9vw,52px);font-weight:800;letter-spacing:-.02em;line-height:.95;color:var(--win-color, var(--text));animation:winner-pop var(--t-winner) cubic-bezier(.2,1.3,.35,1) both}.result__title[data-player=p1]{--win-color: var(--p1)}.result__title[data-player=p2]{--win-color: var(--p2)}@keyframes winner-pop{0%{transform:scale(.72);opacity:0}60%{transform:scale(1.04);opacity:1}to{transform:none;opacity:1}}.result__score{margin:0;display:flex;align-items:baseline;gap:10px;font-size:26px;font-weight:800;letter-spacing:.02em;font-variant-numeric:tabular-nums}.result__score-p1{color:var(--p1)}.result__score-p2{color:var(--p2)}.result__score-sep{color:var(--rule);font-weight:400}.result__actions{margin-top:6px;display:flex;align-items:center;gap:10px;pointer-events:auto}.btn--share{margin-top:4px;background:#16181c;border-color:#16181c;color:#fff;pointer-events:auto}:root[data-theme=dark] .btn--share{border-color:#ffffff61}.btn--share:disabled{opacity:.4;cursor:default}.result__share-status{margin:0;min-height:15px;font-size:11.5px;line-height:1.4;color:var(--text-dim);pointer-events:none}.confetti{position:fixed;top:0;right:0;bottom:0;left:0;overflow:hidden;pointer-events:none}.confetti__piece{position:absolute;top:-10%;animation:confetti-fall var(--fall, 2s) linear var(--delay, 0ms) forwards}@keyframes confetti-fall{0%{transform:translateZ(0) rotate(0);opacity:1}85%{opacity:1}to{transform:translate3d(var(--drift, 0),118vh,0) rotate(var(--spin, 360deg));opacity:0}}.stage--menu{justify-content:center;gap:0}.menu__tools{position:absolute;top:max(14px,env(safe-area-inset-top));right:20px;display:flex;justify-content:flex-end}.menu__brand{display:flex;flex-direction:column;align-items:center;gap:14px;padding:12px 0 34px}.menu__logo{display:inline-flex;align-items:center;margin:0;font-size:clamp(38px,12.5vw,58px);font-weight:800;letter-spacing:-.035em;line-height:1;color:var(--text)}.menu__mark{display:inline-grid;grid-template-columns:repeat(2,1fr);grid-template-rows:repeat(2,1fr);width:.68em;height:.68em;gap:.06em;margin:0 .02em}.menu__mark i{border-radius:50%}.menu__mark i:nth-child(1){background:var(--p1)}.menu__mark i:nth-child(2){background:var(--disc-neutral)}.menu__mark i:nth-child(3){background:var(--disc-neutral)}.menu__mark i:nth-child(4){background:var(--p2)}.menu__tagline{margin:0}.menu__group{display:flex;flex-direction:column}.menu__list{display:flex;flex-direction:column;border-bottom:1px solid var(--rule)}.menu__heading{margin:0 0 10px}.menu__item{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;border-top:1px solid var(--rule);background:none;padding:17px 4px;font:inherit;color:var(--text);text-align:left;cursor:pointer;display:flex;align-items:center;gap:14px;transition:background-color .14s ease,padding .14s ease}.menu__item:hover{background:var(--text);color:var(--on-ink);padding-left:12px;padding-right:12px}.menu__item-index{font-size:11px;font-weight:700;letter-spacing:.1em;color:var(--text-dim);font-variant-numeric:tabular-nums;transition:color .14s ease}.menu__item:hover .menu__item-index{color:var(--on-ink)}.menu__item-body{display:flex;flex-direction:column;gap:3px;flex:1;min-width:0}.menu__item-title{font-size:17px;font-weight:700;letter-spacing:-.01em}.menu__item-note{font-size:12px;color:var(--text-dim);transition:color .14s ease}.menu__item:hover .menu__item-note{color:var(--on-ink);opacity:.7}.menu__item-arrow{font-size:15px;color:var(--text-dim);transition:color .14s ease,translate .14s ease}.menu__item:hover .menu__item-arrow{color:var(--on-ink);translate:3px 0}.menu__back{align-self:flex-start;margin-top:14px}.howto{margin:30px 0 0}.howto__list{margin:12px 0 0;padding:0;list-style:none;counter-reset:howto;display:flex;flex-direction:column;gap:9px;text-align:left;font-size:12.5px;line-height:1.6;color:var(--text-dim)}.howto__step{display:flex;gap:12px}.howto__step:before{content:counter(howto,decimal-leading-zero);counter-increment:howto;flex:none;font-size:10.5px;font-weight:700;letter-spacing:.1em;color:var(--text);font-variant-numeric:tabular-nums;padding-top:3px}.sheet{position:fixed;top:0;right:0;bottom:0;left:0;z-index:20;display:grid;place-items:end center}.sheet__backdrop{position:absolute;top:0;right:0;bottom:0;left:0;background:#00000059;animation:fade-in .16s ease both}.sheet__panel{position:relative;width:100%;max-width:480px;background:var(--surface);border:1px solid var(--rule);border-bottom:none;border-radius:var(--radius-lg) var(--radius-lg) 0 0;box-shadow:var(--sheet-shadow);padding:20px 20px max(24px,env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:20px;animation:sheet-in .2s cubic-bezier(.2,.9,.3,1) both}@media (min-height: 720px){.sheet{place-items:center;padding:20px}.sheet__panel{border-bottom:1px solid var(--rule);border-radius:var(--radius-lg);padding-bottom:24px}}@keyframes sheet-in{0%{transform:translateY(16px);opacity:0}to{transform:none;opacity:1}}@keyframes fade-in{0%{opacity:0}to{opacity:1}}.sheet__head{display:flex;align-items:center;justify-content:space-between;gap:12px}.sheet__title{margin:0;font-size:15px;font-weight:800;letter-spacing:.02em}.sheet__body{display:flex;flex-direction:column;gap:18px}.field{display:flex;flex-direction:column;gap:8px}.field__label{font-size:10.5px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--text-dim)}.segmented{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;border:1px solid var(--rule);border-radius:var(--radius);overflow:hidden}.segmented__opt{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;border-left:1px solid var(--rule);background:none;font:inherit;font-size:13px;font-weight:600;color:var(--text-dim);padding:11px 6px;cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:background-color .14s ease,color .14s ease}.segmented__opt:first-child{border-left:none}.segmented__opt:hover{color:var(--text)}.segmented__opt[aria-checked=true]{background:var(--text);color:var(--on-ink)}.segmented__opt:focus-visible{outline-offset:-2px}@media (prefers-reduced-motion: reduce){.turn.is-changed,.result__title,.sheet__panel,.sheet__backdrop{animation:none}.confetti,.ambient{display:none}}.board{position:relative;width:100%;aspect-ratio:var(--cols) / var(--rows);display:grid;grid-template-columns:repeat(var(--cols),1fr);background:var(--board);border:1px solid var(--rule);border-radius:var(--radius);overflow:hidden}.board[data-locked="1"] .cell{pointer-events:none}.cell{position:relative;-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;margin:0;padding:0;background:none;cursor:pointer;transition:transform var(--tally-dur, 0ms) var(--tally-ease, ease) var(--tally-delay, 0ms),opacity var(--tally-dur, 0ms) ease var(--tally-delay, 0ms)}.cell:disabled{cursor:default}.cell:not(:disabled):hover .disc{translate:0 -3px}.cell:not(:disabled):hover .disc__face--back{box-shadow:var(--disc-shadow-hover)}.cell:focus-visible{outline:2px solid var(--text);outline-offset:-4px;border-radius:50%}.disc{position:absolute;top:9%;right:9%;bottom:9%;left:9%;border-radius:50%;transform-style:preserve-3d;transform:rotateY(0);transition:transform var(--t-flip-back) ease-out,translate .12s ease}.disc[data-owner=none]{--disc-color: var(--disc-neutral)}.disc[data-owner=p1]{--disc-color: var(--p1)}.disc[data-owner=p2]{--disc-color: var(--p2)}.disc[data-status=revealed],.disc[data-status=resolved]{transform:rotateY(180deg);transition-duration:var(--t-flip)}.disc__face{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:50%;display:grid;place-items:center;backface-visibility:hidden;-webkit-backface-visibility:hidden;overflow:hidden;transition:background-color 60ms linear}.disc__face--back{background:var(--disc-color);box-shadow:var(--disc-shadow)}.disc__mark{width:30%;height:30%;border-radius:50%;border:1.5px solid var(--engrave)}.disc__peek{position:absolute;top:18%;right:18%;bottom:18%;left:18%;opacity:0;transition:opacity .12s ease}.board[data-peek="1"] .disc__peek{opacity:.6}.disc__face--front{transform:rotateY(180deg);background:var(--disc-face);box-shadow:var(--disc-shadow);padding:8%}.disc[data-status=resolved] .disc__face--front{background:var(--disc-color);box-shadow:none}.disc[data-status=resolved]{scale:.94;transition:transform var(--t-flip) ease-out,scale var(--t-flip) ease-out}.sym{width:100%;height:100%;display:block}.sym--symbol{color:var(--symbol)}.sym--engrave{color:var(--engrave)}.disc.is-matched .disc__face--front{animation:pair-pulse var(--t-pair) ease-out}@keyframes pair-pulse{0%{box-shadow:0 0 color-mix(in srgb,var(--gold) 0%,transparent)}40%{box-shadow:0 0 0 6px color-mix(in srgb,var(--gold) 75%,transparent)}to{box-shadow:0 0 color-mix(in srgb,var(--gold) 0%,transparent)}}.wash,.flash{position:absolute;top:8%;right:8%;bottom:8%;left:8%;border-radius:50%;opacity:0;pointer-events:none}.wash{background:var(--paint-color, var(--disc-neutral))}.flash{background:var(--disc-face)}.stage[data-paint=scale] .cell.is-painting .wash{animation:wash-scale var(--t-paint) ease-out var(--paint-delay, 0ms) both}.stage[data-paint=sweep] .cell.is-painting .wash{animation:wash-sweep var(--t-paint) ease-out var(--paint-delay, 0ms) both}.cell.is-painting .disc__face{transition-delay:calc(var(--paint-delay, 0ms) + var(--t-paint) * .6)}.cell.is-steal .flash{animation:steal-flash var(--t-steal) ease-out calc(var(--paint-delay, 0ms) + var(--t-paint) * .55) both}@keyframes wash-scale{0%{opacity:1;transform:scale(.15)}60%{opacity:1;transform:scale(1)}to{opacity:0;transform:scale(1)}}@keyframes wash-sweep{0%{opacity:1;clip-path:inset(100% 0 0 0)}60%{opacity:1;clip-path:inset(0 0 0 0)}to{opacity:0;clip-path:inset(0 0 0 0)}}@keyframes steal-flash{0%{opacity:0}40%{opacity:.85}to{opacity:0}}.board.is-tallying{overflow:visible}.board.is-tallying .cell{z-index:2}.cell.is-tallied{transform:translate(var(--tally-x, 0),var(--tally-y, 0)) rotate(var(--tally-rot, 0deg)) scale(var(--tally-scale, 1))}.cell.is-tallied-out{opacity:0;scale:.4;transition:opacity var(--tally-dur, 0ms) ease var(--tally-delay, 0ms),scale var(--tally-dur, 0ms) ease var(--tally-delay, 0ms)}@media (prefers-reduced-motion: reduce){.cell,.disc,.disc__face{transition-duration:1ms!important}.wash,.flash,.disc.is-matched .disc__face--front{animation:none!important}}