:root{color-scheme:dark;--bg:#080e16;--panel:#0e1924;--line:#283840;--text:#e7f0ef;--muted:#a0b3bb;--mint:#b5ecda;--gold:#ffca91;font-family:'Hiragino Kaku Gothic ProN','Yu Gothic',Meiryo,system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}button,input,textarea{font:inherit}button{cursor:pointer;color:inherit}button:disabled{cursor:default;opacity:.5}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--mint);outline-offset:4px}a{color:var(--mint)}button{border:1px solid var(--line);background:var(--panel);border-radius:7px;min-height:44px}button:hover:not(:disabled){border-color:#7ea79e}.topbar{max-width:1280px;padding:22px 28px;margin:auto;display:flex;justify-content:space-between;align-items:center}.brand{display:flex;gap:12px;align-items:center;text-decoration:none;color:var(--text);font-size:25px;letter-spacing:.12em}.brand>span{font-size:21px}.brand small{font:10px ui-monospace,monospace;color:var(--muted);letter-spacing:.17em;margin-left:8px}.text-button{background:none;border:0;color:var(--muted);font-size:12px;padding:8px}.eyebrow{font:11px ui-monospace,monospace;letter-spacing:.15em;color:var(--muted)}main{max-width:1180px;padding:20px 28px;margin:auto}h1{font-weight:500;letter-spacing:.06em;line-height:1.6}h2{font-weight:500}.home{max-width:1000px;margin:auto}.home-wave{height:100px;margin:0 0 20px;border-radius:8px;overflow:hidden;opacity:.85}.home-wave canvas{width:100%;height:100%;display:block;object-fit:cover}.section-label{font-size:14px;margin:24px 0 14px;color:var(--muted)}.difficulties{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.difficulties button{text-align:left;padding:23px;display:flex;flex-direction:column;gap:15px;background:linear-gradient(145deg,#13232a,#0b151f)}.difficulty-num{font:11px ui-monospace,monospace;color:#82a89f}.difficulties strong{font-size:22px;font-weight:500}.difficulties button>span:not(.difficulty-num){font-size:13px;line-height:1.8;color:var(--muted)}.difficulties small{font-size:11px;color:#8ca5af}.difficulties b{font-size:12px;color:var(--mint);font-weight:500;margin-top:10px}.quiet{font-size:12px;color:var(--muted);line-height:1.8}.home>.quiet{margin:22px 0}.round-header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:5px 0 20px}.round-header h1{font-size:24px;margin:7px 0}.round-header .eyebrow{margin:0}.play-body{display:grid;grid-template-columns:minmax(0,1fr) 330px;align-items:start;gap:22px}.comparison{position:sticky;top:12px;background:var(--bg);min-width:0}.fields{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:2px;border:1px solid var(--line);border-radius:9px;overflow:hidden;background:var(--line)}.fields>div{min-width:0;background:#0d1821}.fields h2{text-align:center;font-size:12px;letter-spacing:.07em;height:40px;display:flex;align-items:center;justify-content:center;gap:8px;margin:0}.fields h2 small{font:9px ui-monospace,monospace;color:var(--muted)}.field-wrap{position:relative;width:100%;aspect-ratio:1.2 / 1;overflow:hidden}.field-wrap canvas{display:block;position:absolute;inset:0;width:100%;height:100%;touch-action:auto}.source-layer{position:absolute;inset:0;pointer-events:none}.source{position:absolute;transform:translate(-50%,-50%);border:1px solid #c3efdf88;background:#10262aa8;border-radius:50%;width:22px;height:22px;display:grid;place-items:center;font:9px ui-monospace,monospace;color:#d6f6e9}.answer-source{border-radius:3px;border:1px dashed var(--gold);color:var(--gold);min-width:25px;background:#182126a8}.comparison-note{text-align:center;font-size:10px;color:var(--muted);margin:10px 0 14px}summary{cursor:pointer;color:var(--muted);font-size:12px;padding:10px 0;min-height:40px}summary span{font-size:10px;float:right}#profiles{width:100%;height:auto;max-height:180px;display:block}.control-panel{padding:22px;background:var(--panel);border:1px solid var(--line);border-radius:9px}.control{margin:0 0 17px}.control label{display:flex;justify-content:space-between;align-items:center;font-size:13px}.control output{font:13px ui-monospace,monospace;color:var(--mint)}.knob-row{display:flex;gap:8px;align-items:center;margin-top:5px}.knob-row button{width:44px;height:44px;flex-shrink:0;font-size:18px;background:#142832}.range-track{position:relative;min-width:0;flex:1}input[type=range]{appearance:none;width:100%;height:40px;background:transparent;margin:0;display:block;cursor:pointer}input[type=range]::-webkit-slider-runnable-track{height:3px;border-radius:3px;background:#6b9b94}input[type=range]::-webkit-slider-thumb{appearance:none;width:18px;height:18px;border:4px solid #27514d;background:#dcffed;border-radius:50%;margin-top:-7.5px;box-shadow:0 0 0 1px #b5ecda}input[type=range]::-moz-range-track{height:3px;background:#6b9b94}input[type=range]::-moz-range-thumb{width:12px;height:12px;border:3px solid #27514d;border-radius:50%;background:#dcffed}.answer-marker{position:absolute;transform:translateX(-50%);top:-5px;font-size:12px;color:var(--gold);pointer-events:none}.answer-marker:after{content:'';display:block;width:1px;height:26px;background:var(--gold);margin:auto}.small-actions{display:flex;gap:6px;flex-wrap:wrap}.small-actions button{flex:1;font-size:11px;padding:7px;white-space:nowrap}.primary{display:block;width:100%;background:var(--mint);color:#0d2724;border:0;min-height:50px;font-size:15px;font-weight:600;margin-top:14px}.hint{font-size:12px;line-height:1.8;color:var(--gold);margin:15px 0}.judgment{padding:12px;background:#25251f;border:1px solid #8d795b;border-radius:7px;margin:20px 0}.judgment strong{display:block;font:23px ui-monospace,monospace;color:var(--gold);margin:8px 0 0}.judgment p:not(.eyebrow){font-size:12px;color:var(--muted);line-height:1.8;margin:7px 0}.results{max-width:600px;margin:40px auto;text-align:center}.results h1{font-size:29px;margin:15px 0}.results>#resultMode{font:12px ui-monospace,monospace;color:var(--muted);margin:24px 0}.total{padding:22px 0}.total strong{font:clamp(54px,11vw,78px) ui-monospace,monospace;color:var(--mint);letter-spacing:-.05em}.total span{font-size:16px;color:var(--muted);margin-left:9px}#roundScores{list-style:none;padding:0;margin:28px 0;text-align:left}#roundScores li{display:flex;justify-content:space-between;align-items:center;gap:15px;border-bottom:1px solid var(--line);padding:14px 0;font-size:12px;color:var(--muted)}#roundScores strong{font:17px ui-monospace,monospace;color:var(--text);white-space:nowrap}#roundScores small{font-size:10px;color:var(--muted)}.result-actions{display:flex;gap:9px;margin-top:12px}.result-actions button{flex:1;padding:10px;font-size:12px;background:none}#shareStatus{min-height:22px;font-size:12px;color:var(--mint)}#copyFallback{margin:18px 0;text-align:left}#copyFallback label{font-size:12px;color:var(--muted)}textarea{width:100%;background:var(--panel);color:var(--text);border:1px solid var(--line);padding:12px;border-radius:6px;margin-top:7px;resize:vertical}dialog{background:var(--panel);color:var(--text);border:1px solid #557169;border-radius:12px;max-width:calc(100vw - 30px);width:540px;max-height:85vh;padding:30px;line-height:1.9}dialog::backdrop{background:#000b;backdrop-filter:blur(4px)}dialog h2{font-size:23px}dialog p,dialog li{font-size:13px;color:var(--muted)}dialog ol{padding-left:20px}.close{position:absolute;right:10px;top:10px;border:0;font-size:25px;background:none;width:44px}[hidden]{display:none!important}@media(max-width:760px){.topbar{padding:15px 18px}.brand>span{font-size:19px}main{padding:12px 14px}.home{padding:10px 5px}.home-wave{height:80px;margin:0 0 18px}.difficulties{grid-template-columns:1fr;gap:10px}.difficulties button{display:grid;grid-template-columns:28px 1fr;gap:7px 12px;padding:17px}.difficulty-num{grid-row:1/5;padding-top:5px}.difficulties strong{font-size:19px}.difficulties b{margin:3px 0 0}.difficulties button>span:not(.difficulty-num){font-size:12px}.home>.quiet{font-size:10px}.round-header{margin:0 0 12px;align-items:flex-start}.round-header h1{font-size:19px;margin:5px 0}.round-header .eyebrow{font-size:9px;letter-spacing:.08em}.round-header .text-button{font-size:10px;padding:0;min-height:30px}.play-body{display:block}.comparison{position:sticky;top:0;z-index:3;background:var(--bg);padding-top:6px}.fields h2{font-size:11px;height:30px;gap:4px}.fields h2 small{font-size:8px}.comparison-note{font-size:9px;margin:6px 0}.source{width:17px;height:17px;font-size:8px}.answer-source{min-width:22px}#profilesDetail{margin-bottom:9px;border-bottom:1px solid var(--line)}summary{font-size:10px;padding:8px 2px;min-height:30px}summary span{font-size:8px}#profiles{max-height:100px}.control-panel{padding:17px;border-radius:8px}.control{margin-bottom:11px}.control label{font-size:12px}.control output{font-size:12px}.knob-row{gap:12px}.results{margin:25px auto}.results h1{font-size:25px}.total strong{font-size:62px}.total span{font-size:13px}.result-actions{flex-direction:column}.judgment{scroll-margin-top:280px}.brand small{font-size:9px}}@media(max-width:360px){main{padding:10px}.topbar{padding:13px}.brand small{font-size:8px}.round-header h1{font-size:17px}.round-header .text-button{font-size:9px}.control-panel{padding:14px}.comparison-note{font-size:8px}.fields h2 small{display:none}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

.judgment .eyebrow{margin:0}


/* Minimal difficulty picker, including narrow touch screens. */
body:has(#home:not([hidden])) main{min-height:calc(100svh - 88px);display:grid;place-items:center;padding:24px}.home{width:min(100%,480px);max-width:480px;margin:0;padding:0}.home .difficulties{display:grid;grid-template-columns:1fr;gap:16px}.home .difficulties button{display:block;min-height:80px;width:100%;padding:22px;text-align:center;font-size:22px;font-weight:500;letter-spacing:.08em}

body:has(#home:not([hidden])) .topbar{justify-content:flex-end}body:has(#home:not([hidden])) .brand{display:none}

.home .home-title{text-align:center;font:500 30px ui-monospace,monospace;letter-spacing:.18em;margin:0 0 30px;color:var(--text)}.home .difficulties button strong{display:block;font-size:22px;font-weight:500}.home .difficulties button small{display:block;margin-top:10px;font-size:12px;letter-spacing:.04em;color:var(--muted)}

/* A compact language picker; language changes never change the wave scale. */
.top-actions{display:flex;align-items:center;gap:10px;min-width:0}.language-picker{position:relative;display:flex;align-items:center;justify-content:center;gap:6px;min-height:44px;min-width:64px;padding:8px;color:var(--muted);font-size:11px;border-radius:7px}.language-picker svg{fill:none;stroke:currentColor;stroke-width:1.4;flex-shrink:0}.language-picker select{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer;font:inherit;color:var(--text);background:var(--panel)}.language-picker:focus-within{outline:2px solid var(--mint);outline-offset:2px}.language-picker:hover{color:var(--text)}html:not([lang="ja"]) .japanese-subtitle,html:not([lang="ja"]) .brand small{display:none}.profiles-title{float:none;font:inherit}#profilesDetail summary{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:4px 10px}.control label{gap:8px}.control-name{min-width:0;overflow-wrap:anywhere}.control output{flex-shrink:0}.round-header>div{min-width:0}.round-header .text-button{flex-shrink:0;max-width:35%;white-space:normal}.judgment strong{overflow-wrap:anywhere}.small-actions button{white-space:normal}.topbar .brand{flex-shrink:0}.topbar{gap:8px}html:not([lang="ja"]) .eyebrow{letter-spacing:.08em}
@media(max-width:400px){.top-actions{gap:3px}.topbar .brand>span{font-size:14px}.topbar .brand{gap:5px;font-size:21px;letter-spacing:.06em}.topbar #about{font-size:11px;max-width:100px}.language-picker{min-width:55px;padding:6px}.total span{display:inline-block}}