:root{color-scheme:dark;--bg:#0c0e11;--ink:#eae7de;--muted:#8c8e8c;--faint:#575b5e;--line:#ffffff16;--panel:#121519e8;--accent:#d2b887;--active:#e2ddce;--active-ink:#292924;font-family:-apple-system,BlinkMacSystemFont,"Helvetica Neue","Noto Sans JP",sans-serif;font-size:12px;font-weight:400}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);overflow:hidden}button,input,select{font:inherit}button{color:inherit;cursor:pointer}button:disabled{cursor:wait;opacity:.4}button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:5px}button{touch-action:manipulation}button,select{border:0;background:none}button svg{width:20px;height:20px;display:block}button:hover{color:var(--accent)}[hidden]{display:none!important}#volume{display:block;width:100vw;height:100dvh;outline:none;touch-action:none;cursor:none}#cursor{position:fixed;z-index:2;pointer-events:none;border:1px solid #ece5d976;border-radius:50%;width:35px;height:35px;transform:translate(-50%,-50%);opacity:0;transition:width .1s,height .1s,opacity .2s}#cursor span{position:absolute;left:50%;top:50%;width:3px;height:3px;background:var(--ink);border-radius:50%;transform:translate(-50%,-50%)}#cursor.stir{border-style:dashed}#cursor.orbit{width:22px!important;height:22px!important;border-color:var(--accent)}
.header{position:fixed;left:44px;right:38px;top:32px;display:flex;align-items:center;justify-content:space-between;pointer-events:none;z-index:3}.identity{display:flex;align-items:center;gap:21px}.kanji{font-family:"Hiragino Mincho ProN","Yu Mincho",serif;font-size:44px;line-height:1.2;font-weight:400}.wordmark{border-left:1px solid var(--line);padding:2px 0 2px 21px;font-size:13px;letter-spacing:5px}.wordmark span{display:block;font-size:8px;letter-spacing:2.1px;margin-top:9px;color:var(--muted)}.header-right{display:flex;align-items:center;gap:28px}.header-right button{pointer-events:auto}.edition{font-family:"Hiragino Mincho ProN","Yu Mincho",serif;letter-spacing:3px;color:var(--muted);font-size:12px}.icon-button{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:38px;height:38px;padding:0;border-radius:50%;transition:background .2s,color .2s}.icon-button:hover{background:var(--line)}
.footer{position:fixed;bottom:24px;left:24px;right:24px;display:flex;align-items:center;flex-direction:column;gap:17px;z-index:3;pointer-events:none}.footer>*{pointer-events:auto}.session-state{font-size:10px;letter-spacing:1.5px;color:var(--muted);display:flex;align-items:center;gap:8px}.live-dot{width:4px;height:4px;background:var(--accent);border-radius:50%}.dock{display:flex;align-items:center;gap:5px;background:var(--panel);border:1px solid var(--line);border-radius:15px;padding:7px 10px;box-shadow:0 12px 50px #0002;backdrop-filter:blur(22px)}.tools{display:flex;gap:3px}.tool{height:42px;border-radius:9px;display:flex;align-items:center;gap:8px;padding:0 14px;color:var(--muted);font-size:11px;letter-spacing:1px;transition:color .2s,background .2s}.tool svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.2}.tool.active{background:var(--active);color:var(--active-ink)}.dock-divider{width:1px;height:20px;background:var(--line);margin:0 10px}.depth-control{display:flex;align-items:center;gap:12px;margin:0 5px;color:var(--muted);font-size:10px}.depth-control input{width:76px}.depth-control output{width:18px;font-variant-numeric:tabular-nums;font-size:9px;color:var(--ink)}input[type=range]{appearance:none;height:2px;background:var(--line);border-radius:2px;cursor:ew-resize;outline-offset:9px;accent-color:var(--accent)}input[type=range]::-webkit-slider-thumb{appearance:none;width:8px;height:8px;background:var(--active);border-radius:50%;box-shadow:0 0 0 4px transparent}input[type=range]::-moz-range-thumb{width:8px;height:8px;background:var(--active);border:0;border-radius:50%}.hints{display:flex;align-items:center;gap:12px;font-size:9px;color:var(--faint);letter-spacing:.5px}.hints i{font-style:normal}.hints button{font-size:20px;line-height:1;padding:0 4px;color:var(--muted)}
#settings{position:fixed;right:38px;top:96px;width:264px;z-index:4;padding:24px;background:var(--panel);border:1px solid var(--line);border-radius:14px;backdrop-filter:blur(25px);box-shadow:0 15px 60px #0002;max-height:calc(100dvh - 260px);overflow:auto}.panel-heading{display:flex;justify-content:space-between;align-items:center;font-size:13px;margin-bottom:25px;letter-spacing:2px}.eyebrow{font-size:8px;letter-spacing:1.7px;color:var(--muted)}.control{display:grid;grid-template-columns:1fr auto;margin-top:23px;font-size:11px;color:var(--muted);gap:15px}.control output{font-size:10px;font-variant-numeric:tabular-nums;color:var(--ink)}.control input{grid-column:1/-1;width:100%;margin:0 0 1px}.panel-divider{height:1px;background:var(--line);margin:27px 0 18px}.select-control{display:flex;align-items:center;justify-content:space-between;font-size:11px;color:var(--muted)}select{color:var(--ink);padding:5px 5px 5px 10px;background:var(--bg);border:1px solid var(--line);border-radius:5px;font-size:11px}.control-note{font-size:9px;color:var(--faint);line-height:1.8;margin:8px 0 23px}.toggle-row{display:flex;justify-content:space-between;align-items:center;font-size:10px;color:var(--muted);margin-top:17px}.switch{border-radius:12px;width:28px;height:16px;padding:3px;background:var(--line);transition:background .2s}.switch i{display:block;width:10px;height:10px;border-radius:50%;background:var(--muted);transition:transform .2s,background .2s}.switch[aria-checked=true]{background:var(--accent)}.switch[aria-checked=true] i{transform:translateX(12px);background:var(--bg)}.text-button{display:flex;align-items:center;justify-content:space-between;border:1px solid var(--line);padding:12px 14px;border-radius:6px;font-size:11px;letter-spacing:1px}.seed-button{width:100%;margin-top:25px}.seed-button span{color:var(--accent)}.subtle-button{width:100%;margin-top:12px;font-size:10px;color:var(--faint)}.panel-footer{border-top:1px solid var(--line);padding-top:18px;margin-top:22px;display:flex;justify-content:space-between;color:var(--faint);font-size:9px}.panel-footer button{font-size:9px;color:var(--muted)}
#loading{position:fixed;inset:0;display:flex;flex-direction:column;justify-content:center;align-items:center;background:var(--bg);z-index:5}#loading p{letter-spacing:3px;margin:25px 0 12px;font-size:12px}#loading small{color:var(--muted);font-size:10px;letter-spacing:1px}.loading-ring{border:1px solid var(--line);border-top-color:var(--accent);height:28px;width:28px;border-radius:50%;animation:turn 1.6s linear infinite}@keyframes turn{to{transform:rotate(360deg)}}#error{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);z-index:8;width:min(450px,85vw);padding:30px;border:1px solid var(--line);border-radius:12px;background:var(--panel)}#error h1{font-family:serif;font-size:24px;font-weight:400;margin:24px 0}#error p{font-size:12px;line-height:2;color:var(--muted);overflow-wrap:anywhere}#error button{margin-top:25px}#toast{position:fixed;left:50%;top:115px;transform:translateX(-50%) translateY(-6px);opacity:0;pointer-events:none;padding:10px 17px;color:var(--ink);background:var(--panel);border:1px solid var(--line);border-radius:25px;font-size:11px;letter-spacing:1px;transition:opacity .2s,transform .2s;z-index:8}#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
dialog{color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:25px 32px 32px;width:min(450px,90vw);box-shadow:0 30px 100px #0005}dialog::backdrop{background:#080a0dbc;backdrop-filter:blur(10px)}.dialog-top{display:flex;justify-content:space-between;align-items:center}dialog h2{font-family:"Yu Mincho",serif;font-size:25px;font-weight:400;letter-spacing:2px;margin:24px 0 18px}dialog p{font-size:11px;line-height:2.2;color:var(--muted)}dialog dl{display:grid;grid-template-columns:1fr 1.2fr;gap:17px 10px;margin:29px 0;font-size:10px}dialog dt{color:var(--ink)}dialog dd{color:var(--muted);margin:0}dialog .note{border-top:1px solid var(--line);padding-top:20px;margin-bottom:0;font-size:10px}.interface-hidden .header,.interface-hidden .footer,.interface-hidden #settings{opacity:0;pointer-events:none}.interface-hidden .footer *,.interface-hidden .header *{pointer-events:none}.header,.footer{transition:opacity .3s}body.paper{color-scheme:light;--bg:#f0ede5;--ink:#252d32;--muted:#777973;--faint:#9a9a91;--line:#24303422;--panel:#f0ede5e8;--accent:#9b7341;--active:#293136;--active-ink:#eee8dc}body.paper #cursor{border-color:#29313680}
@media(max-width:800px){.header{left:25px;right:20px;top:24px}.edition{display:none}.dock{gap:2px;padding:6px}.tool{padding:0 11px}.tool span{display:none}.depth-control{gap:8px}.depth-control input{width:60px}.dock-divider{margin:0 5px}.dock .icon-button{width:32px}.footer{bottom:20px;gap:15px}.hints{font-size:8px;gap:7px}#settings{right:20px;top:90px;max-height:calc(100dvh - 235px)}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}.loading-ring{animation-duration:3s}}
.camera-button{display:flex;align-items:center;gap:9px;border:1px solid var(--line);border-radius:22px;padding:11px 16px;font-size:11px;letter-spacing:.8px;background:var(--panel)}.camera-dot{width:5px;height:5px;border:1px solid var(--muted);border-radius:50%}.camera-button[aria-pressed=true] .camera-dot{background:#a7c7a1;border-color:#a7c7a1;box-shadow:0 0 10px #a7c7a144}#camera-panel{position:fixed;left:38px;top:112px;width:236px;padding:15px;background:var(--panel);border:1px solid var(--line);border-radius:13px;backdrop-filter:blur(22px);z-index:4;max-height:calc(100dvh - 275px);overflow:auto}.camera-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.camera-heading button{font-size:20px;padding:0 4px;color:var(--muted)}.camera-preview{position:relative;aspect-ratio:4/3;background:#080a0d;border-radius:7px;overflow:hidden}.camera-preview video,.camera-preview canvas{position:absolute;inset:0;width:100%;height:100%;object-fit:fill}.camera-preview video{transform:scaleX(-1);opacity:.7}#camera-status{position:absolute;bottom:8px;left:8px;background:#0c0e11b8;color:#ece7dc;padding:5px 8px;border-radius:4px;font-size:9px;letter-spacing:.6px}#camera-message{font-size:10px;line-height:1.9;color:var(--muted);margin:13px 0;overflow-wrap:anywhere}.gesture-guide{display:flex;justify-content:space-between;gap:4px;font-size:9px;color:var(--muted)}.gesture-guide b{display:block;margin:6px 0 0 18px;font-weight:400;color:var(--ink)}.camera-depth{border-top:1px solid var(--line);margin-top:15px;padding-top:13px;display:flex;flex-direction:column;gap:13px;font-size:9px;color:var(--muted)}.camera-depth>span{display:flex;gap:9px;align-items:center}.camera-depth i{display:block;position:relative;flex:1;height:2px;background:var(--line);--depth:50%}.camera-depth i:after{content:"";position:absolute;left:var(--depth);top:-2px;width:6px;height:6px;transform:translateX(-50%);border-radius:50%;background:var(--accent)}.camera-depth button{font-size:10px;border:1px solid var(--line);border-radius:5px;padding:8px}.camera-local{font-size:8px;line-height:1.9;color:var(--faint);margin:13px 0 0}#camera-panel[data-state=error] .camera-preview,#camera-panel[data-state=error] .gesture-guide,#camera-panel[data-state=error] .camera-depth{display:none}#hand-cursor{position:fixed;z-index:2;pointer-events:none;width:38px;height:38px;transform:translate(-50%,-50%);border:1px solid #dec395;border-radius:50%;box-shadow:0 0 25px #dec39520;display:grid;place-items:center}#hand-cursor span{width:5px;height:5px;border-radius:50%;background:#dec395}#hand-cursor[data-mode=stir]{border-color:#92d8cf;border-style:dashed;width:48px;height:48px}#hand-cursor[data-mode=stir] span{background:#92d8cf}#hand-cursor[data-mode=rest]{opacity:.35;width:20px;height:20px}.interface-hidden #camera-panel{display:none}@media(max-width:800px){.header-right{gap:12px}.camera-button{padding:10px 12px}#camera-panel{left:20px;top:100px;width:205px}}@media(max-height:700px){#camera-panel{top:96px}.camera-preview{max-height:110px}.camera-local{display:none}}
.color-control{padding-bottom:16px;border-bottom:1px solid var(--line)}.color-heading{display:flex;align-items:center;justify-content:space-between;font-size:11px;color:var(--muted)}.color-presets{display:flex;justify-content:space-between;gap:6px;margin:18px 2px}.color-swatch{display:block;width:24px;height:24px;flex-shrink:0;border-radius:50%;background:var(--swatch);border:1px solid #ffffff30;position:relative}.color-swatch.monochrome{background:linear-gradient(135deg,#ece5d8 50%,#293136 50%)}.color-swatch[aria-pressed=true]:after{content:"";position:absolute;inset:-5px;border:1px solid var(--ink);border-radius:50%}.custom-color{display:flex;align-items:center;gap:9px;font-size:10px;color:var(--muted)}.custom-color label{flex:1}.custom-color input[type=color]{appearance:none;border:1px solid var(--line);background:none;padding:3px;width:29px;height:29px;border-radius:7px;cursor:pointer}.custom-color input[type=color]::-webkit-color-swatch-wrapper{padding:0}.custom-color input[type=color]::-webkit-color-swatch{border:0;border-radius:3px}.custom-color input[type=color]::-moz-color-swatch{border:0;border-radius:3px}#color-hex{width:76px;padding:7px 5px;text-align:center;font:10px ui-monospace,monospace;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:5px}#color-hex[aria-invalid=true]{border-color:#e86b56}.color-note,.color-error{font-size:9px;line-height:1.8;margin:12px 0 0;color:var(--faint)}.color-error{color:#e86b56}.dock-swatch{width:19px;height:19px;border-radius:50%;background:var(--swatch,#49b8c5);border:1px solid #ffffff40;box-shadow:0 0 0 3px var(--line)}

.project-title{font-family:"Hiragino Mincho ProN","Yu Mincho",serif;font-size:29px;letter-spacing:3px;white-space:nowrap}.sound-bars{font-size:21px;line-height:.6;color:var(--muted)}.sound-button[aria-pressed=true] .sound-bars{color:var(--accent)}.sound-controls{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:19px 0 15px;margin:0 0 20px}.sound-controls .control{margin-top:17px}.sound-controls .control-note{margin-bottom:10px}.sound-guide{font-size:9px;line-height:2;color:var(--faint);margin-bottom:0}@media(max-width:1050px){.edition{display:none}.header-right{gap:12px}}@media(max-width:680px){.project-title{font-size:21px;letter-spacing:1px}.wordmark{display:none}.header{left:18px;right:14px}.header-right{gap:6px}.camera-button{font-size:9px;padding:10px}.sound-bars{display:none}}

#finger-cursor{position:fixed;z-index:100;pointer-events:none;width:23px;height:23px;border:2px solid #a7eee2;border-radius:50%;transform:translate(-50%,-50%);box-shadow:0 0 0 5px #a7eee218,0 0 24px #a7eee240;background:#102d3540}#finger-cursor[data-pinch=true]{background:#a7eee2;box-shadow:0 0 0 9px #a7eee225}#finger-cursor span{position:absolute;top:32px;left:50%;transform:translateX(-50%);width:max-content;max-width:240px;padding:7px 10px;border-radius:7px;background:#112021ec;color:#dbfff9;font-size:10px}.hand-hover{outline:2px solid #a7eee2!important;outline-offset:5px;box-shadow:0 0 20px #a7eee225}.hand-panel-nav{display:none;position:sticky;top:-24px;z-index:2;background:var(--bg);padding:10px 0;align-items:center;gap:10px;border-bottom:1px solid var(--line);font-size:10px;color:var(--muted)}.hand-panel-nav span{flex:1}.hand-panel-nav button,.hand-quality button{border:1px solid var(--line);border-radius:7px;padding:10px 17px}.hand-quality{display:none;gap:9px;margin-top:15px}.hand-quality [aria-pressed=true]{background:var(--active);color:var(--active-ink)}.hand-instructions{font-size:10px;line-height:2;color:var(--muted);margin-bottom:0}#hand-action{font-size:10px;color:var(--accent);line-height:1.8}.hand-enabled #settings{width:310px}.hand-enabled .hand-panel-nav,.hand-enabled .hand-quality{display:flex}.hand-enabled .select-control{display:none}.hand-enabled #settings input[type=range]{min-height:28px;background:linear-gradient(var(--line),var(--line)) center/100% 2px no-repeat}.hand-enabled #settings input[type=range]::-webkit-slider-thumb{width:11px;height:11px}.hand-enabled #settings input[type=range]::-moz-range-thumb{width:11px;height:11px}.hand-enabled .color-swatch{width:29px;height:29px}.hand-enabled .switch{width:44px;height:28px;padding:6px}.hand-enabled .switch i{width:16px;height:16px}.hand-enabled .switch[aria-checked=true] i{transform:translateX(16px)}.hand-enabled .subtle-button{min-height:35px}#fine-color-toggle{color:var(--muted)}

#finger-cursor:before{content:"";position:absolute;inset:-8px;border-radius:50%;background:conic-gradient(#a7eee2 var(--progress,0deg),transparent 0);mask:radial-gradient(farthest-side,transparent calc(100% - 3px),#000 0)}#hand-ui-toggle[aria-pressed=true]{border-color:#a7eee2;color:#a7eee2}#piano-feedback{display:flex;gap:9px;align-items:center;font-size:10px;color:var(--muted);margin-top:15px}#piano-feedback i{width:7px;height:7px;background:var(--line);border-radius:50%;transition:background .1s,box-shadow .1s}#piano-feedback.sounding i{background:#a7eee2;box-shadow:0 0 15px #a7eee2}#piano-feedback.sounding span{color:var(--ink)}