:root{--bg-top:#0d0f1f;--bg-bottom:#05050d;--text:#d1d9eb;--muted:#808aa3;--accent:#6b66b8;--sheet:#0e1020db;--line:#d1d9eb1f;--safe-top:max(env(safe-area-inset-top), 20px);--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{touch-action:manipulation;overscroll-behavior:none;background:var(--bg-bottom);height:100%;color:var(--text);-webkit-user-select:none;user-select:none;margin:0;font-family:ui-rounded,-apple-system,Hiragino Maru Gothic ProN,Hiragino Sans,system-ui,sans-serif;overflow:hidden}canvas#scene{touch-action:none;width:100%;height:100%;position:fixed;inset:0}.sr-only{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;margin:-1px;position:absolute;overflow:hidden}button{font:inherit;color:inherit;cursor:pointer;background:0 0;border:none;padding:0}button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.ui{padding:calc(var(--safe-top) + 8px) max(20px, env(safe-area-inset-right)) calc(env(safe-area-inset-bottom) + 18px) max(20px, env(safe-area-inset-left));pointer-events:none;flex-direction:column;transition:opacity 1.2s;display:flex;position:fixed;inset:0}.ui>*{pointer-events:auto}.ui.hidden{opacity:0}.ui.hidden>*{pointer-events:none}.spacer{flex:1;pointer-events:none!important}.update{background:var(--accent);color:#fff;border-radius:14px;min-height:44px;margin-bottom:8px;font-weight:600}.status{text-align:center;color:var(--muted);letter-spacing:.08em;font-variant-numeric:tabular-nums;margin:0;font-size:.85rem}.hint{text-align:center;min-height:1.2em;color:var(--muted);opacity:.75;margin:8px 0 0;font-size:.72rem}.mode-title{text-align:center;margin-bottom:18px}.mode-title .ja{letter-spacing:.2em;margin:0 -.2em 0 0;font-size:1.6rem;font-weight:600}.mode-title .en{letter-spacing:.4em;color:var(--muted);margin:4px -.4em 0 0;font-size:.72rem}.mode-title .desc{color:var(--muted);margin:10px 0 0;font-size:.8rem;line-height:1.6}.modes{scroll-snap-type:x mandatory;scrollbar-width:none;gap:8px;padding:4px 2px 8px;display:flex;overflow-x:auto}.modes::-webkit-scrollbar{display:none}.mode{scroll-snap-align:center;border:1px solid var(--line);min-height:44px;color:var(--muted);background:#ffffff0a;border-radius:999px;flex:none;padding:10px 16px;font-size:.95rem;transition:background .4s,color .4s,border-color .4s}.mode[aria-pressed=true]{color:var(--text);border-color:#6b66b8b3;border-color:color-mix(in srgb, var(--accent) 70%, transparent);background:#6b66b838;background:color-mix(in srgb, var(--accent) 22%, transparent)}.mode:disabled:not([aria-pressed=true]){opacity:.4}.bar{justify-content:space-between;align-items:center;gap:12px;margin-top:12px;display:flex}.icon-btn{border:1px solid var(--line);width:52px;height:52px;color:var(--muted);background:#ffffff0d;border-radius:50%;flex-direction:column;justify-content:center;align-items:center;font-size:.68rem;line-height:1.25;display:flex}.play{background:#6b66b859;background:color-mix(in srgb, var(--accent) 35%, transparent);border:1px solid #6b66b8cc;border:1px solid color-mix(in srgb, var(--accent) 80%, transparent);width:76px;height:76px;box-shadow:0 0 40px #6b66b859;box-shadow:0 0 40px color-mix(in srgb, var(--accent) 35%, transparent);border-radius:50%;place-items:center;transition:background .6s,box-shadow .6s;display:grid}.play svg{width:28px;height:28px;fill:var(--text);grid-area:1/1}.play .icon-stop,.play.playing .icon-play{display:none}.play.playing .icon-stop{display:block}.sheet-backdrop{opacity:0;pointer-events:none;z-index:30;background:#0006;transition:opacity .3s;position:fixed;inset:0}.sheet-backdrop.open{opacity:1;pointer-events:auto}.sheet{background:var(--sheet);-webkit-backdrop-filter:blur(24px);border-top:1px solid var(--line);z-index:40;border-radius:22px 22px 0 0;max-height:82dvh;padding:10px 20px 0;transition:transform .35s cubic-bezier(.2,.8,.2,1);position:fixed;bottom:0;left:0;right:0;overflow-y:auto;transform:translateY(100%)}.sheet.open{transform:none}.sheet-head{min-height:44px;position:relative}.grabber{background:var(--line);border-radius:3px;width:36px;height:5px;margin:0 auto 6px}.sheet-close{min-width:44px;min-height:44px;color:var(--muted);padding:0 4px;font-size:.85rem;position:absolute;top:0;right:0}.sheet h2{color:var(--muted);letter-spacing:.1em;margin:18px 0 10px;font-size:.8rem;font-weight:500}.seg{flex-wrap:wrap;gap:6px;display:flex}.seg button{border:1px solid var(--line);min-height:44px;color:var(--muted);background:#ffffff0a;border-radius:12px;flex:1 0 auto;padding:8px 10px;font-size:.85rem}.seg button[aria-pressed=true]{color:var(--text);background:#6b66b840;background:color-mix(in srgb, var(--accent) 25%, transparent);border-color:#6b66b8b3;border-color:color-mix(in srgb, var(--accent) 70%, transparent)}.slider-row{align-items:center;gap:12px;min-height:48px;display:flex}.slider-row label{flex:0 0 6.5em;font-size:.9rem}.slider-row label small{color:var(--muted);font-size:.68rem;display:block}.slider-row input[type=range]{min-width:0;accent-color:var(--accent);flex:1}.slider-row input[type=range]:disabled{opacity:.35}.toggle{background:#ffffff1f;border-radius:15px;flex:none;width:48px;height:30px;transition:background .3s;position:relative}.toggle:before{content:"";position:absolute;inset:-8px -2px}.toggle:after{content:"";background:var(--text);border-radius:50%;width:24px;height:24px;transition:transform .3s;position:absolute;top:3px;left:3px}.toggle[aria-checked=true]{background:var(--accent)}.toggle[aria-checked=true]:after{transform:translate(18px)}.note{color:var(--muted);text-align:center;margin-top:18px;font-size:.68rem}.build-line{width:100%;min-height:44px;margin-top:8px;display:block}.debug{left:8px;right:8px;top:calc(var(--safe-top) + 8px);border:1px solid var(--line);z-index:60;background:#0a0c18f2;border-radius:12px;max-height:60vh;padding:12px;font-size:.7rem;position:fixed;overflow-y:auto}.debug h2{margin:0 0 6px;font-size:.8rem}.debug-row{gap:8px;margin:8px 0;display:flex}.debug-row button{border:1px solid var(--line);background:#ffffff0f;border-radius:8px;padding:8px 12px}.mono{word-break:break-all;white-space:pre-wrap;margin:4px 0;font-family:ui-monospace,Menlo,monospace}.mode.preset{border-style:dashed}.mode.preset:before{content:"★ ";font-size:.8em}.nature-block{border-bottom:1px solid var(--line);padding:4px 0 8px}.nature-block:last-child{border-bottom:none}.nature-head{justify-content:space-between;align-items:center;min-height:44px;font-size:.95rem;display:flex}.nature-block .slider-row{min-height:40px}.nature-block .slider-row label{color:var(--muted);flex-basis:3.5em}.sheet-section{border-top:1px solid var(--line)}.sheet-section>summary{cursor:pointer;justify-content:space-between;align-items:center;min-height:48px;list-style:none;display:flex}.sheet-section>summary::-webkit-details-marker{display:none}.sheet-section>summary h2{margin:0}.sheet-section>summary:after{content:"";border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);width:8px;height:8px;margin-right:6px;transition:transform .2s;transform:rotate(45deg)}.sheet-section[open]>summary:after{transform:rotate(-135deg)}.sheet-section[open]{padding-bottom:12px}.sheet-footer{padding:10px 20px calc(env(safe-area-inset-bottom) + 12px);background:var(--sheet);-webkit-backdrop-filter:blur(24px);border-top:1px solid var(--line);margin:12px -20px 0;position:sticky;bottom:0}.sheet-play{background:#6b66b859;background:color-mix(in srgb, var(--accent) 35%, transparent);border:1px solid #6b66b8cc;border:1px solid color-mix(in srgb, var(--accent) 80%, transparent);border-radius:16px;justify-content:center;align-items:center;gap:10px;width:100%;min-height:52px;font-size:1rem;display:flex}.sheet-play svg{width:20px;height:20px;fill:var(--text)}.sheet-play .icon-stop,.sheet-play.playing .icon-play{display:none}.sheet-play.playing .icon-stop{display:block}.sound-note{color:var(--muted);margin:2px 0 10px;font-size:.75rem}#timbre .seg{margin-bottom:4px}.grain-seg{margin:0 0 8px}.preset-current,.preset-message{color:var(--muted);margin:0 0 10px;font-size:.8rem}.preset-message:empty{margin:0}.preset-form{gap:8px;margin-bottom:10px;display:flex}.preset-form input{border:1px solid var(--line);min-width:0;min-height:44px;color:var(--text);font:inherit;background:#ffffff0f;border-radius:12px;flex:1;padding:8px 12px;font-size:16px}.preset-action{border:1px solid color-mix(in srgb, var(--accent) 70%, transparent);background:color-mix(in srgb, var(--accent) 22%, transparent);border-radius:12px;flex:none;min-height:44px;margin-bottom:10px;padding:8px 14px;font-size:.85rem}.preset-form .preset-action{margin-bottom:0}.preset-action:disabled{opacity:.4;cursor:default}.preset-list{margin:0;padding:0;list-style:none}.preset-list li{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:4px;min-height:48px;font-size:.9rem;display:flex}.preset-list li .preset-name{overflow-wrap:anywhere;flex:1;min-width:0}.preset-icon{min-width:44px;min-height:44px;color:var(--muted);border-radius:12px;flex:none;padding:6px 8px;font-size:.8rem}.preset-icon:disabled{opacity:.3;cursor:default}.preset-rename{flex:1;margin:6px 0}.preset-delete{min-width:64px;min-height:44px;color:var(--muted);border-radius:12px;flex:none;padding:6px 12px;font-size:.8rem}.preset-delete.armed{color:#fff;background:#a8444f}@media (prefers-reduced-motion:reduce){.ui,.sheet,.sheet-backdrop{transition:none}}.icon{fill:none;stroke:currentColor;stroke-width:1.3px;stroke-linecap:round;stroke-linejoin:round;width:22px;height:22px;filter:drop-shadow(0 0 3px color-mix(in srgb, var(--accent) 85%, transparent));flex:none}.sheet h2{align-items:center;gap:8px;display:flex}.sheet h2 .icon{width:18px;height:18px}.nature-name{align-items:center;gap:10px;display:flex}.slider-row>.icon{margin-right:-2px}.nature-block:has(.toggle[aria-checked=false]) .nature-name .icon{opacity:.35;filter:none}.slider-row:has(.toggle[aria-checked=false])>.icon{opacity:.35;filter:none}.seg button.with-icon{justify-content:center;align-items:center;gap:6px;display:inline-flex}.seg button.with-icon .icon{width:18px;height:18px}.backup-text{border:1px solid var(--line);width:100%;color:var(--text);word-break:break-all;resize:vertical;background:#ffffff0a;border-radius:10px;margin:8px 0;padding:8px 10px;font:16px/1.4 ui-monospace,Menlo,monospace;display:block}.choice-row{align-items:center;gap:12px;margin:4px 0 8px;display:flex}.choice-label{color:var(--muted);flex:0 0 4.5em;font-size:.8rem}.choice-row .seg{flex:1}.choice-row .seg button{min-height:38px;padding:6px 8px}