@font-face{font-family:Pretendard;src:url(/fonts/Pretendard-Regular.woff) format("woff");font-weight:400;font-display:swap}@font-face{font-family:Pretendard;src:url(/fonts/Pretendard-Bold.woff) format("woff");font-weight:700;font-display:swap}:root{--bg: #0b0f1a;--lane0: #22d3ee;--lane1: #f9c74f;--lane2: #f472b6;--lane3: #a78bfa;--grade-S: #ffd54a;--grade-A: #4ade80;--grade-B: #38bdf8;--grade-C: #fb923c;--grade-D: #94a3b8;--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px)}*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{height:100%;background:var(--bg);color:#f1f5f9;font-family:Pretendard,-apple-system,system-ui,sans-serif;overflow:hidden;user-select:none;-webkit-user-select:none;touch-action:manipulation;overscroll-behavior:none}#app{position:relative;width:100vw;height:100svh}.screen{position:absolute;top:0;right:0;bottom:0;left:0;display:none;flex-direction:column}.screen.active{display:flex}#screen-menu{padding:calc(28px + var(--safe-top)) 20px calc(20px + var(--safe-bottom));overflow-y:auto;background:radial-gradient(120% 80% at 50% 0%,#16203a 0%,var(--bg) 70%)}.menu-header{position:relative;text-align:center;margin-bottom:24px}.menu-title{font-size:44px;font-weight:700;letter-spacing:3px;background:linear-gradient(90deg,var(--lane0),var(--lane3));-webkit-background-clip:text;background-clip:text;color:transparent;text-shadow:0 0 30px rgba(124,92,255,.35)}.menu-sub{color:#94a3b8;font-size:14px;margin-top:4px;letter-spacing:1px}.lang-btn{position:absolute;top:0;right:0;width:40px;height:40px;border:none;border-radius:12px;background:#ffffff14;color:#fff;font-size:18px;cursor:pointer}.song-list{display:flex;flex-direction:column;gap:12px;max-width:460px;width:100%;margin:0 auto}.song-card{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 18px;border:none;border-radius:16px;cursor:pointer;text-align:left;color:#fff;background:linear-gradient(135deg,hsla(var(--hue),70%,22%,.9),hsla(var(--hue),60%,12%,.9));border:1px solid hsla(var(--hue),80%,60%,.3);box-shadow:0 6px 20px #00000059;transition:transform .1s ease}.song-card:active{transform:scale(.98)}.song-name{font-size:20px;font-weight:700;margin-bottom:6px}.song-diff{display:flex;align-items:center;gap:10px}.diff-label{font-size:12px;font-weight:700;padding:2px 8px;border-radius:6px;letter-spacing:.5px}.diff-easy{background:#4ade8033;color:#4ade80}.diff-normal{background:#38bdf833;color:#38bdf8}.diff-hard{background:#f8717133;color:#f87171}.diff-dots{display:flex;gap:4px}.dot{width:8px;height:8px;border-radius:50%;background:#ffffff2e}.dot.on{background:#fff;box-shadow:0 0 6px #fff9}.song-best{display:flex;flex-direction:column;align-items:flex-end;gap:2px;min-width:56px}.best-score{font-size:12px;color:#cbd5e1;font-variant-numeric:tabular-nums}.menu-hint{text-align:center;color:#64748b;font-size:12px;margin-top:18px}.grade{font-size:26px;font-weight:700;line-height:1}.grade-none{color:#475569}.grade-S{color:var(--grade-S);text-shadow:0 0 12px rgba(255,213,74,.6)}.grade-A{color:var(--grade-A)}.grade-B{color:var(--grade-B)}.grade-C{color:var(--grade-C)}.grade-D{color:var(--grade-D)}#game-canvas{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;display:block}#hud-top{position:absolute;top:var(--safe-top);left:0;right:0;display:flex;align-items:center;gap:12px;padding:10px 16px;z-index:5}#btn-back-play{width:38px;height:38px;border:none;border-radius:10px;background:#ffffff1a;color:#fff;font-size:24px;line-height:1;cursor:pointer}.hud-stat{display:flex;flex-direction:column}.hud-stat-right{margin-left:auto;align-items:flex-end}.hud-label{font-size:10px;color:#94a3b8;letter-spacing:1px}#hud-score,#hud-acc{font-size:22px;font-weight:700;font-variant-numeric:tabular-nums}#hud-progress{position:absolute;top:calc(var(--safe-top) + 58px);left:16px;right:16px;height:4px;background:#ffffff1a;border-radius:3px;overflow:hidden;z-index:5}#hud-progress-fill{height:100%;width:0%;background:linear-gradient(90deg,var(--lane0),var(--lane3));transition:width .1s linear}#hud-combo{position:absolute;top:34%;left:0;right:0;text-align:center;z-index:4;opacity:0;transition:opacity .15s;pointer-events:none}#hud-combo-num{display:block;font-size:56px;font-weight:700;line-height:1;text-shadow:0 0 20px rgba(255,255,255,.4)}.combo-label{font-size:13px;letter-spacing:3px;color:#cbd5e1}.judge-popup{position:absolute;top:52%;left:0;right:0;text-align:center;z-index:6;font-size:34px;font-weight:700;opacity:0;pointer-events:none;letter-spacing:1px}.judge-popup.jp-show{animation:jpop .4s ease-out}.jp-perfect{color:#ffe066;text-shadow:0 0 18px rgba(255,224,102,.7)}.jp-good{color:#4ade80;text-shadow:0 0 14px rgba(74,222,128,.6)}.jp-miss{color:#f87171}@keyframes jpop{0%{opacity:0;transform:scale(.6)}25%{opacity:1;transform:scale(1.15)}70%{opacity:1;transform:scale(1)}to{opacity:0;transform:scale(1)}}#countdown{position:absolute;top:0;right:0;bottom:0;left:0;display:none;align-items:center;justify-content:center;font-size:96px;font-weight:700;z-index:7;color:#fff;text-shadow:0 0 40px rgba(124,92,255,.7);pointer-events:none}#lane-keys{position:absolute;bottom:calc(10px + var(--safe-bottom));left:0;right:0;display:flex;z-index:5;pointer-events:none}.lk{flex:1;text-align:center;font-size:14px;font-weight:700;color:#ffffff80}.lk0{color:var(--lane0)}.lk1{color:var(--lane1)}.lk2{color:var(--lane2)}.lk3{color:var(--lane3)}#screen-result{align-items:center;justify-content:center;gap:10px;padding:calc(28px + var(--safe-top)) 24px calc(24px + var(--safe-bottom));background:radial-gradient(120% 90% at 50% 0%,#16203a 0%,var(--bg) 70%)}.result-song{font-size:16px;color:#cbd5e1;letter-spacing:1px}.result-grade{font-size:120px;font-weight:700;line-height:1;margin:4px 0;animation:gradePop .5s ease-out}@keyframes gradePop{0%{transform:scale(.3);opacity:0}60%{transform:scale(1.1)}to{transform:scale(1);opacity:1}}.fc-badge,.newbest-badge{font-size:13px;font-weight:700;padding:4px 14px;border-radius:20px;letter-spacing:1px}.fc-badge{background:linear-gradient(90deg,var(--lane0),var(--lane3));color:#0b0f1a}.newbest-badge{background:var(--grade-S);color:#0b0f1a}.result-score{display:flex;flex-direction:column;align-items:center;margin:12px 0}.rs-label{font-size:12px;color:#94a3b8;letter-spacing:2px}.rs-value{font-size:42px;font-weight:700;font-variant-numeric:tabular-nums}.result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;width:100%;max-width:360px;margin-bottom:8px}.rstat{display:flex;flex-direction:column;align-items:center;padding:12px 6px;border-radius:12px;background:#ffffff0d}.rstat-value{font-size:24px;font-weight:700;font-variant-numeric:tabular-nums}.rstat-label{font-size:11px;color:#94a3b8;margin-top:2px}.rstat-perfect .rstat-value{color:#ffe066}.rstat-good .rstat-value{color:#4ade80}.rstat-miss .rstat-value{color:#f87171}.result-btns{display:flex;gap:12px;width:100%;max-width:360px;margin-top:12px}.btn{flex:1;padding:15px;border:none;border-radius:14px;font-size:16px;font-weight:700;cursor:pointer;font-family:inherit}.btn-primary{background:linear-gradient(90deg,var(--lane0),var(--lane3));color:#0b0f1a}.btn-ghost{background:#ffffff14;color:#f1f5f9}#ota-loading{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:var(--bg);z-index:100}.ota-spinner{width:40px;height:40px;border:4px solid rgba(255,255,255,.2);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}#demo-banner{position:fixed;top:10px;left:50%;transform:translate(-50%);background:#0009;padding:4px 12px;border-radius:8px;font-size:12px;z-index:50}