:root{--bg: #0a0e27;--surface: #131736;--surface-2: #1b2147;--accent: #00c9a7;--accent-dim: #0a8a76;--text: #e4e7f1;--text-dim: #8a91b8;--danger: #ff5757;--warning: #ffb830;--border: #2a3166;--radius: 14px;--radius-sm: 8px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-6: 24px;--space-8: 32px;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .25);--shadow-md: 0 8px 24px rgba(0, 0, 0, .35);--font-ui: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--font-num: "SF Mono", ui-monospace, "Roboto Mono", monospace;--ease: cubic-bezier(.22, 1, .36, 1);--press-scale: .96;--t-fast: .12s;--t-base: .2s}.fk-num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.02em}.fk-btn{appearance:none;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:var(--radius-sm);padding:var(--space-3) var(--space-4);font-family:var(--font-ui);font-weight:600;cursor:pointer;transition:transform var(--t-fast) var(--ease),background var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease)}.fk-btn:active{transform:scale(var(--press-scale))}.fk-btn--primary{background:var(--accent);border-color:var(--accent);color:#03150f}.fk-btn--primary:active{background:var(--accent-dim)}@media (prefers-reduced-motion: reduce){.fk-btn{transition:none}}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100dvh;background:var(--bg);color:var(--text);font-family:var(--font-ui);font-variant-numeric:tabular-nums;overflow:hidden;touch-action:none;-webkit-tap-highlight-color:transparent;user-select:none;-webkit-user-select:none}#app{position:relative;width:100%;max-width:480px;height:100dvh;margin:0 auto;overflow:hidden}#game{display:block;width:100%;height:100%;position:absolute;inset:0;touch-action:none}.hud{position:absolute;inset:0;pointer-events:none;z-index:5;padding:calc(env(safe-area-inset-top) + 10px) 14px 0}.hud-row{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}.hud-stat{display:flex;flex-direction:column;gap:2px}.hud-label{font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-dim)}.hud-value{font-family:var(--font-num);font-weight:700;font-size:26px;line-height:1;color:var(--text);text-shadow:0 0 18px rgba(0,201,167,.35);transition:transform 90ms var(--ease)}.hud-value.pulse{transform:scale(1.16)}.hud-sub{font-size:11px;color:var(--text-dim);font-family:var(--font-num)}.hud-right{text-align:right}.timer-wrap{position:absolute;top:calc(env(safe-area-inset-top) + 8px);left:50%;transform:translate(-50%);width:140px;display:flex;flex-direction:column;align-items:center;gap:5px}.timer-num{font-family:var(--font-num);font-weight:700;font-size:18px;color:var(--text-dim)}.timer-bar{width:100%;height:4px;border-radius:99px;background:#ffffff14;overflow:hidden}.timer-fill{height:100%;width:100%;background:linear-gradient(90deg,var(--accent),#6fe9ff);transform-origin:left;transition:transform .2s linear}.timer-fill.low{background:linear-gradient(90deg,var(--warning),var(--danger))}.peak-tag{position:absolute;bottom:calc(env(safe-area-inset-bottom) + 14px);left:50%;transform:translate(-50%);font-size:11px;color:var(--text-dim);letter-spacing:.08em;opacity:.8}.peak-tag b{color:var(--warning);font-family:var(--font-num)}.overlay{position:absolute;inset:0;z-index:30;display:flex;align-items:center;justify-content:center;padding:22px;background:#0507129e;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);opacity:0;pointer-events:none;visibility:hidden;transition:opacity .22s var(--ease),visibility 0s linear .22s}.overlay.show{opacity:1;pointer-events:auto;visibility:visible;transition:opacity .22s var(--ease),visibility 0s}.card{width:100%;max-width:380px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-md);transform:translateY(14px) scale(.97);transition:transform .26s var(--ease)}.overlay.show .card{transform:none}.card h1{font-size:30px;font-weight:800;letter-spacing:.02em;margin-bottom:4px}.card h1 .kanji{color:var(--accent)}.card h2{font-size:17px;font-weight:700;margin-bottom:12px}.card p{color:var(--text-dim);font-size:14px;line-height:1.6;margin-bottom:14px}.card .tagline{color:var(--text);font-size:15px;font-weight:600;margin-bottom:16px}.btn{appearance:none;width:100%;border:1px solid var(--border);background:var(--surface-2);color:var(--text);border-radius:var(--radius-sm);padding:14px 16px;font-family:var(--font-ui);font-weight:700;font-size:15px;cursor:pointer;pointer-events:auto;transition:transform var(--t-fast) var(--ease),background var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease)}.btn:active{transform:scale(var(--press-scale))}.btn+.btn{margin-top:10px}.btn--primary{background:var(--accent);border-color:var(--accent);color:#03150f}.btn--primary:active{background:var(--accent-dim)}.btn--gold{background:var(--warning);border-color:var(--warning);color:#2a1c00}.btn--ghost{background:transparent}.btn--row{display:flex;align-items:center;justify-content:space-between;gap:10px}.btn small{font-weight:600;font-size:12px;opacity:.75}.score-big{font-family:var(--font-num);font-weight:800;font-size:52px;line-height:1;color:var(--accent);text-shadow:0 0 28px rgba(0,201,167,.4);margin:6px 0 2px}.score-grid{display:flex;gap:10px;margin:14px 0 18px}.score-cell{flex:1;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px;text-align:center}.score-cell .k{font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--text-dim)}.score-cell .v{font-family:var(--font-num);font-weight:700;font-size:22px;margin-top:4px}.score-cell .v.gold{color:var(--warning)}.newbest{display:inline-block;background:var(--warning);color:#2a1c00;font-weight:800;font-size:12px;letter-spacing:.06em;padding:3px 9px;border-radius:99px;margin-bottom:8px}.lb{margin:4px 0 16px;max-height:168px;overflow-y:auto;-webkit-overflow-scrolling:touch}.lb-row{display:flex;align-items:center;gap:10px;padding:8px 4px;border-bottom:1px solid rgba(255,255,255,.05);font-size:14px}.lb-row:last-child{border-bottom:none}.lb-row.me{background:#00c9a71a;border-radius:8px;padding-left:8px;padding-right:8px}.lb-rank{width:26px;font-family:var(--font-num);font-weight:700;color:var(--text-dim)}.lb-rank.top{color:var(--warning)}.lb-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lb-score{font-family:var(--font-num);font-weight:700}.lb-empty{color:var(--text-dim);font-size:13px;text-align:center;padding:18px 0}.pal-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:6px 0 16px}.pal-chip{position:relative;aspect-ratio:1;border-radius:var(--radius-sm);border:2px solid var(--border);cursor:pointer;overflow:hidden;pointer-events:auto;transition:transform var(--t-fast) var(--ease)}.pal-chip:active{transform:scale(.95)}.pal-chip.sel{border-color:var(--accent);box-shadow:0 0 0 3px #00c9a738}.pal-chip.locked:after{content:"";position:absolute;inset:0;background:#0507128c}.pal-chip .lk{position:absolute;z-index:2;right:5px;top:4px;font-size:12px}.pal-chip .nm{position:absolute;z-index:2;left:0;right:0;bottom:0;font-size:10px;font-weight:700;text-align:center;padding:3px;background:linear-gradient(transparent,#0009)}.pal-chip.spin-hi{border-color:#6fe9ff;box-shadow:0 0 0 3px #6fe9ff66,0 0 16px #6fe9ff80;transform:scale(1.04);z-index:3}.pal-chip.spin-win{border-color:var(--warning);box-shadow:0 0 0 4px #ffb83080,0 0 30px #ffb830b3;animation:winpulse .4s var(--ease) 2;z-index:4}@keyframes winpulse{0%,to{transform:scale(1.06)}50%{transform:scale(1.16)}}.btn.spinning{opacity:.6;pointer-events:none}.btn.spinning small{animation:pity-pulse .5s ease infinite}@keyframes pity-pulse{0%,to{opacity:.6}50%{opacity:1}}@media (prefers-reduced-motion: reduce){.pal-chip.spin-win{animation:none}}.chip-feedback{text-align:center;font-size:13px;color:var(--text-dim);min-height:18px;margin-bottom:12px}.toast{position:absolute;top:calc(env(safe-area-inset-top) + 64px);left:50%;transform:translate(-50%) translateY(-8px);z-index:40;background:var(--surface-2);border:1px solid var(--border);color:var(--text);border-radius:99px;padding:9px 16px;font-size:13px;font-weight:600;box-shadow:var(--shadow-md);opacity:0;pointer-events:none;transition:opacity .2s var(--ease),transform .2s var(--ease);white-space:nowrap}.toast.show{opacity:1;transform:translate(-50%) translateY(0)}.toast b{color:var(--accent)}.lb-tabs{display:flex;gap:6px;margin:4px 0 8px}.lb-tab{flex:1;appearance:none;border:1px solid var(--border);background:transparent;color:var(--text-dim);border-radius:var(--radius-sm);padding:8px;font-size:12px;font-weight:700;cursor:pointer;pointer-events:auto;transition:all var(--t-fast) var(--ease)}.lb-tab.active{color:var(--accent);border-color:var(--accent);background:#00c9a714}.lb-tab:active{transform:scale(.97)}.pal-preview{width:100%;height:auto;aspect-ratio:320 / 120;border-radius:var(--radius-sm);border:1px solid var(--border);background:#070a1c;margin:4px 0 10px;display:block}.tut{display:flex;flex-direction:column;gap:14px;margin:8px 0 18px}.tut-step{display:flex;gap:12px;align-items:center}.tut-ico{flex:0 0 56px;height:56px;border-radius:12px;background:var(--bg);border:1px solid var(--border);display:grid;place-items:center;overflow:hidden}.tut-txt{font-size:13px;color:var(--text-dim);line-height:1.5}.tut-txt b{color:var(--text)}.settings-row{display:flex;gap:8px;margin-top:12px}.toggle{flex:1;appearance:none;border:1px solid var(--border);background:var(--surface-2);color:var(--text-dim);border-radius:var(--radius-sm);padding:9px;font-size:12px;font-weight:600;cursor:pointer;pointer-events:auto;transition:all var(--t-fast) var(--ease)}.toggle.on{color:var(--accent);border-color:var(--accent)}.toggle:active{transform:scale(.96)}.hint{font-size:11px;color:var(--text-dim);text-align:center;margin-top:10px;line-height:1.5}@media (prefers-reduced-motion: reduce){.overlay,.card,.btn,.toggle,.pal-chip,.hud-value,.toast,.timer-fill{transition:none!important}}