@font-face{font-family:FoldDisplay;src:url('../fonts/display.woff2') format('woff2');font-weight:600;font-display:swap}
:root{color-scheme:dark;--ground:#000;--surface:#151513;--raised:#23231F;--ink:#FFF8E7;--muted:#D9D2BF;--accent:#C9302C;--ease:cubic-bezier(.23,1,.32,1);font-family:"Apple SD Gothic Neo","Malgun Gothic",system-ui,sans-serif;color:var(--ink);background:var(--ground);font-synthesis:none;scrollbar-color:var(--muted) var(--surface)}
*{box-sizing:border-box}body{margin:0}::selection{color:var(--ground);background:var(--ink)}button,input,a,summary{-webkit-tap-highlight-color:transparent}button,input{font:inherit}button,a,summary{touch-action:manipulation}button{cursor:pointer;border:0;background:var(--raised);color:var(--ink);min-height:44px;padding:11px 16px;border-radius:4px;transition:transform 130ms var(--ease),background-color 130ms var(--ease)}button:active:not(:disabled){transform:scale(.975)}button:disabled{cursor:default;opacity:.5}a{color:inherit;text-underline-offset:4px}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--ink);outline-offset:5px}button:focus:not(:focus-visible){outline:none}p{line-height:1.65}h1,h2,p{margin:0}h2{font-size:21px;font-weight:600;letter-spacing:-.02em;line-height:1.4}svg{display:block}main,.site-head{width:min(1264px,100%);padding-inline:48px;margin-inline:auto}.site-head{display:flex;align-items:center;justify-content:space-between;padding-top:24px;padding-bottom:26px;gap:16px}.brand{font:600 28px/1 FoldDisplay,serif;text-decoration:none}.site-head nav{display:flex;gap:8px}.site-head button{background:transparent;font-size:14px}.title-row{display:flex;align-items:end;justify-content:space-between;gap:40px;margin-block:18px 34px}.title-row h1{font-size:clamp(44px,5.8vw,76px);font-weight:600;line-height:1.08;letter-spacing:-.035em;text-wrap:balance}.english-title{font:600 24px/1.4 FoldDisplay,serif;margin-top:5px}.intro{font-size:18px;max-width:36ch;line-height:1.6;padding-bottom:4px}.intro span{display:block;font-size:14px;color:var(--muted);margin-top:8px}.instrument{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(280px,1fr);gap:44px;align-items:start}.score-panel{min-width:0}.score-head{display:flex;justify-content:space-between;gap:12px;align-items:center;font-size:14px;color:var(--muted);padding:16px 20px;background:var(--surface);font-variant-numeric:tabular-nums}.score-head span:first-child{color:var(--ink);font-weight:600}.board{position:relative;background:var(--surface);height:330px}canvas{display:block;width:100%;height:100%}.count-label{position:absolute;top:17px;inset-inline:12px;text-align:center;min-height:24px;font-size:16px}.judgement{position:absolute;top:72px;inset-inline:12px;text-align:center;font-size:19px;font-weight:600;min-height:32px}.status-line{display:flex;justify-content:space-between;gap:12px;font-size:13px;align-items:center;padding:14px 0;color:var(--muted);min-height:52px}.status-line p{line-height:1.5}.status-line span{white-space:nowrap;font-variant-numeric:tabular-nums}progress{width:100%;display:block;height:4px;border:0;border-radius:0;appearance:none;background:var(--raised);margin:0 0 14px;accent-color:var(--ink)}progress::-webkit-progress-bar{background:var(--raised)}progress::-webkit-progress-value{background:var(--ink)}progress::-moz-progress-bar{background:var(--ink)}.thumb-pad{display:grid;grid-template-columns:42px 1fr;column-gap:18px;align-items:center;text-align:left;width:100%;min-height:100px;padding:20px 28px;background:var(--ink);color:var(--ground);border-radius:4px;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}.thumb-pad svg{width:40px;height:40px;grid-row:span 2}.thumb-pad span{font-size:21px;font-weight:600;line-height:1.5}.thumb-pad small{font-size:13px;line-height:1.6}.thumb-pad.pressed{background:var(--muted)}.transport{display:flex;gap:20px;align-items:center;margin-top:12px}.transport button{background:transparent;padding-left:0;white-space:nowrap}.transport>span{font-size:12px;line-height:1.7;color:var(--muted)}.error{color:var(--ink);font-size:14px;margin-top:8px}.error:empty{display:none}.library h2{margin:0 0 17px}.track-list{display:flex;flex-direction:column;gap:4px}.track{display:flex;align-items:center;gap:16px;width:100%;text-align:left;background:var(--surface);padding:18px 20px;min-height:112px;border-radius:0}.track[aria-pressed=true]{background:var(--ink);color:var(--ground)}.track-index{font:600 32px/1 FoldDisplay,serif;font-variant-numeric:tabular-nums}.track-copy{flex:1;min-width:0}.track-copy strong{display:block;font-size:19px;font-weight:600;line-height:1.5}.track-copy small{display:block;font-size:13px;line-height:1.7}.track-copy>span{display:block;font-size:12px;line-height:1.6;opacity:.85;margin-top:3px}.track-fold{width:25px;flex-shrink:0}.track-fold svg{width:25px;height:25px}.track:not([aria-pressed=true]) .track-fold{opacity:.4}.options{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-block:20px}.options>button{padding-left:0;background:transparent;font-size:14px}.motion{display:flex;align-items:center;gap:10px;min-height:44px;font-size:14px;cursor:pointer}.motion input{width:20px;height:20px;accent-color:var(--ink);margin:0}.help{margin-top:12px;font-size:14px;color:var(--muted)}summary{cursor:pointer;min-height:44px;padding-block:10px}.help p{margin-block:12px}.timing{padding:22px;background:var(--surface);margin-bottom:24px}.timing h2{font-size:19px}.timing p{font-size:14px;margin-block:12px}.timing label{display:flex;justify-content:space-between;gap:12px;font-size:14px}.timing output{font-variant-numeric:tabular-nums;white-space:nowrap}.timing input{width:100%;height:44px;margin-block:6px;accent-color:var(--ink)}.cal-actions{display:flex;gap:8px;flex-wrap:wrap}.cal-actions button{font-size:13px}.pause-sheet{position:absolute;inset:0;background:var(--surface);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;text-align:center;padding:30px}.pause-sheet p{font-size:16px;max-width:30ch}.result h2{font-size:26px}.result>p:first-of-type{font-size:16px;margin-top:8px}.result .accuracy{font:600 86px/1.1 FoldDisplay,serif;letter-spacing:-.035em;margin-top:20px}.accuracy span{font-size:32px;margin-left:6px}.accuracy+p{font-size:14px;color:var(--muted)}dl{margin-block:24px}dl div{display:flex;justify-content:space-between;font-size:14px;padding-block:6px}dt{color:var(--muted)}dd{margin:0;font-variant-numeric:tabular-nums}.result>button{margin:0 8px 8px 0;font-size:14px}footer{display:flex;justify-content:space-between;gap:30px;color:var(--muted);font-size:12px;margin-block:38px 24px}footer p{max-width:72ch}footer a{white-space:nowrap;min-height:44px;padding-top:7px}.fallback{padding-top:40px}
@media(hover:hover) and (pointer:fine){button:hover:not(:disabled){background:#33332D}.thumb-pad:hover:not(:disabled),.track[aria-pressed=true]:hover{background:#D9D2BF;color:#000}.brand:hover,footer a:hover{color:#FFF8E7}}
@media(max-width:1000px){main,.site-head{padding-inline:28px}.instrument{gap:28px;grid-template-columns:minmax(0,1.25fr) minmax(260px,1fr)}.intro{font-size:16px}.title-row{gap:24px}.board{height:300px}.track{padding:16px;gap:12px}.track-copy strong{font-size:17px}.track-fold{display:none}}
@media(max-width:799px){main,.site-head{padding-inline:20px}.site-head{padding-top:14px;padding-bottom:16px}.brand{font-size:24px}.site-head nav{gap:2px}.site-head button{font-size:13px;padding-inline:10px}.title-row{display:block;margin-block:10px 22px}.title-row>div{display:flex;gap:15px;align-items:baseline}.title-row h1{font-size:42px}.english-title{font-size:20px}.intro{margin-top:12px;font-size:15px;max-width:none}.intro span{font-size:12px;margin-top:4px}.instrument{display:flex;flex-direction:column;gap:28px}.score-panel,.library{width:100%}.score-head{padding:12px 16px;font-size:13px}.board{height:232px}.count-label{top:9px;font-size:14px}.judgement{top:42px;font-size:17px}.status-line{font-size:12px;padding:11px 0;min-height:45px}.thumb-pad{min-height:94px;padding:18px 22px;column-gap:14px}.thumb-pad span{font-size:19px}.thumb-pad small{font-size:12px}.transport{gap:16px;margin-top:6px}.transport>span{font-size:11px}.transport button{font-size:13px}.library h2{font-size:19px}.track{min-height:97px;padding:15px 18px}.track-fold{display:block}.track-copy strong{font-size:18px}.track-index{font-size:28px}.options{margin-block:12px}.result .accuracy{font-size:72px}.result h2{font-size:24px}footer{display:block;margin-top:26px;font-size:11px}footer a{display:inline-block;margin-top:8px}.pause-sheet{padding:22px}.pause-sheet h2{font-size:22px}.pause-sheet p{font-size:14px}}
@media(max-width:359px){main,.site-head{padding-inline:16px}.title-row h1{font-size:36px}.english-title{font-size:17px}.status-line{gap:6px;font-size:11px}.thumb-pad span{font-size:17px}.intro{font-size:14px}.board{height:214px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}button:active:not(:disabled){transform:none}}
:root[data-reduced=true] *, :root[data-reduced=true] *::before,:root[data-reduced=true] *::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
:root[data-reduced=true] button:active:not(:disabled){transform:none}

.skip{position:absolute;left:16px;top:-80px;z-index:5;padding:12px 20px;color:var(--ground);background:var(--ink)}.skip:focus{top:12px}.site-head nav{position:relative;padding-right:16px}.language-chevron{position:absolute;right:0;top:15px;width:14px;height:14px;pointer-events:none}.record-line{font-size:13px;line-height:1.5;color:var(--muted);margin:0 0 12px;font-variant-numeric:tabular-nums}.daily-choice{margin-bottom:28px}.daily-choice h2{font-size:21px;margin-bottom:8px}.daily-choice p{font-size:13px;color:var(--muted);line-height:1.6;margin:8px 0}.daily-choice button{margin:4px 0;background:var(--ink);color:var(--ground)}.search-label,.share-label{display:block;font-size:13px;margin-bottom:8px;color:var(--muted)}input[type=search],textarea{width:100%;min-height:44px;padding:12px;background:var(--raised);color:var(--ink);border:0;border-radius:4px;font:inherit;margin-bottom:12px}textarea{font-size:14px;line-height:1.7;resize:vertical}.track-list{max-height:370px;overflow-y:auto;overscroll-behavior:contain;padding:6px;margin:-6px}.track-list .track[hidden]{display:none}.track-copy>span{opacity:1}.local-info{font-size:12px;color:var(--muted);margin-top:24px;max-width:76ch}.game-schema{display:none}.share-label{margin-top:16px}#share-status{font-size:14px;color:var(--muted);margin-top:8px}.track-index{display:none}
@media(max-width:799px){.title-row{margin-bottom:16px}.intro{font-size:14px;line-height:1.5}.board{height:204px}.score-head{gap:8px;font-size:12px}.score-head span:first-child{max-width:55%;line-height:1.4}.record-line{font-size:12px;margin-bottom:10px}.daily-choice h2{font-size:20px}.track-list{max-height:360px}.local-info{font-size:12px}.transport>span{font-size:12px}.transport{align-items:start}.score-panel{scroll-margin-top:12px}.thumb-pad{scroll-margin-block:16px}.timing{padding:18px}}
@media(max-width:359px){.site-head{gap:8px}.site-head button{padding-inline:7px;font-size:12px}.english-title{display:none}.score-head{flex-wrap:wrap}.score-head span:first-child{max-width:none;flex-basis:100%}.board{height:180px}}

:root[data-settings=true] .title-row,:root[data-settings=true] .library,:root[data-settings=true] .record-line,:root[data-settings=true] progress{display:none}:root[data-settings=true] .instrument{grid-template-columns:minmax(0,720px);justify-content:center}:root[data-settings=true] .board{height:78px}:root[data-settings=true] canvas{visibility:hidden}:root[data-settings=true] .count-label{top:6px}:root[data-settings=true] .judgement{top:36px}:root[data-settings=true] .timing{margin:0;padding:18px 20px}:root[data-settings=true] .timing h2{font-size:21px}:root[data-settings=true] .site-head{padding-bottom:20px}:root[data-settings=true] .status-line{padding-block:8px;min-height:40px}.thumb-pad{padding-bottom:max(18px,env(safe-area-inset-bottom))}

.volume-control{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:13px;margin-top:18px}.volume-control+input{width:100%;height:44px;margin:0;accent-color:var(--ink)}@media(hover:hover) and (pointer:fine){.daily-choice button:hover:not(:disabled){background:var(--muted);color:var(--ground)}}