:root{--ink:#fff5fb;--ink-dim:#fff0faad;--glass:#160e2885;--glass-strong:#120a22c7;--line:#ffbee638;--pink:#ff5fa2;--peach:#ffb38a;--cyan:#48e4ff;--amber:#ffb547;--font:"Zen Kaku Gothic New", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", system-ui, sans-serif;--script:"Yellowtail", "Brush Script MT", cursive}*{box-sizing:border-box}[hidden]{display:none!important}html,body{height:100%;color:var(--ink);font-family:var(--font);-webkit-font-smoothing:antialiased;background:#0b0816;margin:0;overflow:hidden}#app{position:fixed;inset:0}#app canvas{touch-action:none;width:100%;height:100%;display:block}button{color:inherit;font-family:inherit}.logo{left:max(20px, env(safe-area-inset-left));top:max(14px, env(safe-area-inset-top));pointer-events:none;text-shadow:0 0 18px #ff5fa28c;position:fixed}.logo-script{font-family:var(--script);color:#ffd3e6;background:linear-gradient(90deg,#ffd0a0,#ff7ab8 55%,#c08cff);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;padding:2px 6px 4px 0;font-size:38px;line-height:1}.logo-script.big{font-size:clamp(46px,9vw,72px)}.logo-sub{letter-spacing:.12em;color:var(--ink-dim);margin-top:2px;font-size:12px}.top-controls{right:max(16px, env(safe-area-inset-right));top:max(14px, env(safe-area-inset-top));flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:8px;max-width:calc(100vw - 32px);display:flex;position:fixed}.seg{background:var(--glass);border:1px solid var(--line);-webkit-backdrop-filter:blur(10px);border-radius:999px;padding:3px;display:flex}.seg button{color:var(--ink-dim);cursor:pointer;white-space:nowrap;background:0 0;border:0;border-radius:999px;padding:6px 13px;font-size:13px;transition:background .2s,color .2s}.seg button:hover{color:var(--ink)}.seg button.on{color:#fff;background:linear-gradient(135deg,#ff5fa2d9,#ffa078d9);box-shadow:0 0 14px #ff5fa273}.icon{background:var(--glass);border:1px solid var(--line);cursor:pointer;-webkit-backdrop-filter:blur(10px);width:36px;height:36px;color:var(--ink-dim);border-radius:999px;place-items:center;display:grid}.icon:hover{color:var(--ink)}.player{left:max(16px, env(safe-area-inset-left));bottom:max(16px, env(safe-area-inset-bottom));background:var(--glass);border:1px solid var(--line);-webkit-backdrop-filter:blur(16px)saturate(1.3);border-radius:20px;width:min(400px,100vw - 32px);padding:14px 16px;position:fixed;box-shadow:0 12px 40px #00000059,inset 0 1px #ffffff14}.np-head{justify-content:space-between;align-items:center;display:flex}.np-label{letter-spacing:.22em;color:var(--pink);font-size:10.5px;font-weight:700}.np-fm{color:var(--ink-dim);letter-spacing:.1em;margin-left:6px;font-weight:500}.link{color:var(--ink-dim);cursor:pointer;background:0 0;border:0;padding:2px 4px;font-size:12px}.link:hover{color:var(--ink)}.np-title{letter-spacing:.02em;white-space:nowrap;text-overflow:ellipsis;margin-top:6px;font-size:21px;font-weight:700;overflow:hidden}.np-sub{color:var(--ink-dim);min-height:1.4em;margin-top:2px;font-size:13px}.np-chips{flex-wrap:wrap;gap:6px;margin-top:10px;display:flex}.chip{border:1px solid var(--line);white-space:nowrap;background:#ffffff0d;border-radius:999px;padding:3px 9px;font-size:11.5px}.chip.sec{color:#ffd0e4;border-color:#ff5fa280}.chip.chord{color:#bdf6ff;font-variant-numeric:tabular-nums;text-align:center;border-color:#48e4ff73;min-width:64px}.chip.meta{color:var(--ink-dim)}.np-progress{color:var(--ink-dim);font-variant-numeric:tabular-nums;align-items:center;gap:10px;margin-top:12px;font-size:11.5px;display:flex}.bar{background:#ffffff1f;border-radius:4px;flex:1;height:4px;overflow:hidden}.fill{background:linear-gradient(90deg, var(--peach), var(--pink));width:0%;height:100%;box-shadow:0 0 10px var(--pink)}.np-controls{flex-wrap:wrap;align-items:center;gap:10px;margin-top:12px;display:flex}.round{border:1px solid var(--line);cursor:pointer;background:#ffffff0f;border-radius:50%;place-items:center;width:38px;height:38px;transition:transform .15s,background .2s;display:grid}.round:hover{background:#ffffff24}.round:active{transform:scale(.94)}.round.big{color:#fff;background:linear-gradient(135deg,#ff5fa2,#ffb38a);border:0;width:48px;height:48px;box-shadow:0 0 18px #ff5fa280}.vol{color:var(--ink-dim);align-items:center;gap:6px;margin-left:4px;display:flex}.vol input{width:88px;accent-color:var(--pink)}.toggle{color:var(--ink-dim);cursor:pointer;align-items:center;gap:4px;margin-left:auto;font-size:12px;display:flex}.toggle input{accent-color:var(--pink)}.tracklist{border-top:1px solid var(--line);max-height:34vh;margin:12px 0 0;padding:8px 0 0;list-style:none;overflow:auto}.tracklist li{cursor:pointer;border-radius:8px;align-items:baseline;gap:10px;padding:6px;font-size:13px;display:flex}.tracklist li:hover{background:#ffffff12}.tracklist li.on{background:#ff5fa22e}.tracklist .no{color:var(--pink);font-variant-numeric:tabular-nums;width:1.8em}.tracklist .ja{color:var(--ink-dim);white-space:nowrap;margin-left:auto;font-size:11.5px}.start{z-index:10;background:radial-gradient(at 50% 60%,#0a061840,#080412b8);place-items:center;padding:16px;transition:opacity .8s;display:grid;position:fixed;inset:0}.start.hide{opacity:0;pointer-events:none}.start-card{text-align:center;max-width:560px}.start .lead{color:#fff5fbe6;text-shadow:0 1px 12px #0009;margin:14px 0 22px;font-size:15.5px;line-height:1.9}.start-btn{cursor:pointer;color:#fff;background:linear-gradient(135deg,#ff5fa2,#ff9a6a);border:0;border-radius:999px;align-items:center;gap:10px;padding:14px 28px;font-size:17px;font-weight:700;transition:transform .15s;display:inline-flex;box-shadow:0 0 30px #ff5fa299,0 8px 24px #00000059}.start-btn:hover{transform:translateY(-1px)scale(1.02)}.start .note{color:var(--ink-dim);margin-top:18px;font-size:12px;line-height:1.8}.toast{background:var(--glass-strong);border:1px solid var(--line);opacity:0;pointer-events:none;white-space:nowrap;-webkit-backdrop-filter:blur(10px);border-radius:999px;padding:10px 18px;font-size:14px;transition:opacity .4s;position:fixed;top:18%;left:50%;transform:translate(-50%)}.toast.show{opacity:1}body.ui-hidden .logo,body.ui-hidden .top-controls,body.ui-hidden .player{opacity:0;pointer-events:none}.logo,.top-controls,.player{transition:opacity .5s}body.clean .logo,body.clean .top-controls,body.clean .player,body.clean .toast{display:none}@media (max-width:640px){.start{z-index:20;background:radial-gradient(at 50% 55%,#0a06188c,#080412e0)}.start .keys{display:none}.start .lead{font-size:14.5px}.logo-script{font-size:28px}.logo-sub{font-size:11px}.top-controls{top:auto;bottom:calc(max(16px, env(safe-area-inset-bottom)) + 230px);right:12px}.seg button{padding:6px 10px;font-size:12px}.player{width:auto;left:12px;right:12px;bottom:max(12px, env(safe-area-inset-bottom));padding:12px 14px}.np-title{font-size:18px}.vol input{width:70px}}@media (prefers-reduced-motion:reduce){*{transition:none!important}}