: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, system-ui, sans-serif);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;display:flex;flex-direction:column;padding:env(safe-area-inset-top) 0 env(safe-area-inset-bottom)}#hud{position:relative;display:flex;align-items:center;gap:14px;padding:10px 18px 4px}.hud-cell{display:flex;flex-direction:column;line-height:1.1}.hud-cell:last-of-type{margin-left:auto;align-items:flex-end}.lbl{font-size:10px;letter-spacing:1.5px;color:var(--text-dim);font-weight:700}.val{font-size:24px;font-weight:800;font-family:var(--font-num, system-ui)}.combo{position:absolute;top:42px;left:50%;transform:translate(-50%);font-size:18px;font-weight:900;color:var(--accent);text-shadow:0 0 12px rgba(0,201,167,.6)}.combo.hidden{display:none}.combo.pulse{animation:comboPop .35s var(--ease, cubic-bezier(.2,.8,.2,1))}@keyframes comboPop{0%{transform:translate(-50%) scale(1.6)}to{transform:translate(-50%) scale(1)}}#game{flex:1;display:block;width:100%;min-height:0}#controls{display:grid;grid-template-columns:1fr 1fr 1.5fr 1fr 1fr;gap:8px;padding:8px 12px calc(10px + env(safe-area-inset-bottom))}.ctl{-webkit-appearance:none;appearance:none;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:var(--radius, 14px);font-size:24px;font-weight:800;height:62px;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-direction:column;transition:transform var(--t-fast, .08s) ease,background var(--t-fast,.08s) ease;box-shadow:var(--shadow-sm)}.ctl.press{transform:scale(var(--press-scale, .94));background:var(--surface-2, #141a35)}.ctl-drop{background:var(--accent);color:#06241f;border-color:transparent}.ctl-twist{background:linear-gradient(160deg,#1a2547,#101732);border-color:var(--accent)}.ctl-twist .cap{font-size:10px;letter-spacing:1px;color:var(--text-dim);font-weight:700}.ctl-twist #twist-state{font-size:15px;font-weight:900;color:var(--accent);letter-spacing:.5px}.ctl-twist.d1{border-color:#cfe6ff}.ctl-twist.d1 #twist-state{color:#cfe6ff}.ctl-twist.d2{border-color:#7fa8d8}.ctl-twist.d2 #twist-state{color:#7fa8d8}.overlay{position:absolute;inset:0;z-index:20;display:flex;align-items:center;justify-content:center;padding:20px;background:#060918cc;backdrop-filter:blur(6px);overflow-y:auto}.overlay.hidden{display:none}.overlay.show{animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0}}.card{width:100%;max-width:360px;background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:22px 20px;box-shadow:var(--shadow-md);text-align:center;animation:cardUp .28s var(--ease, cubic-bezier(.2,.8,.2,1));margin:auto}@keyframes cardUp{0%{transform:translateY(14px);opacity:0}}h1{font-size:38px;font-weight:900;letter-spacing:2px;display:flex;align-items:baseline;justify-content:center;gap:6px}h1 .kanji{font-size:30px;color:var(--accent)}.tagline{margin:10px 0 16px;color:var(--text-dim);font-size:14px;line-height:1.5}.tagline b,.tut-text b{color:var(--text)}.tut{display:flex;align-items:center;gap:12px;text-align:left;background:var(--bg);border:1px solid var(--border);border-radius:14px;padding:11px 12px;margin-bottom:9px}.tut-text{font-size:13px;line-height:1.45;color:var(--text-dim)}.mini{position:relative;width:46px;height:38px;flex:0 0 46px}.mc{position:absolute;width:20px;height:20px;border-radius:4px}.mc.back{left:4px;top:4px;background:#00c9a7;opacity:.5}.mc.front{left:14px;top:12px;background:#00c9a7;box-shadow:inset 0 2px #fff6}.mc.front.solo{left:10px;top:8px;background:#cfe6ff}.mline{position:absolute;left:2px;top:14px;width:42px;height:10px;border-radius:3px;background:linear-gradient(90deg,#00c9a7,#5cd6ff);box-shadow:0 0 10px #00c9a799}button.primary,button.secondary,button.ghostbtn{-webkit-appearance:none;appearance:none;width:100%;border-radius:14px;font-size:16px;font-weight:800;padding:15px;cursor:pointer;transition:transform var(--t-fast,.08s) ease,filter var(--t-fast,.08s) ease;border:1px solid transparent}button.primary{background:var(--accent);color:#06241f;margin-top:6px}button.secondary{background:var(--surface-2, #141a35);color:var(--text);border-color:var(--border);margin-top:8px}button.ghostbtn{background:transparent;color:var(--text-dim);margin-top:8px;font-size:14px}button.primary:active,button.secondary:active,button.ghostbtn:active{transform:scale(.97);filter:brightness(1.08)}.sub{font-size:12.5px;color:var(--text-dim);margin-top:10px}.key{display:inline-block;font-size:11px;font-weight:800;padding:1px 8px;border-radius:8px;background:#101732;border:1px solid var(--accent);color:var(--accent)}.toggles{display:flex;gap:8px;margin-top:12px}.toggle{flex:1;-webkit-appearance:none;appearance:none;cursor:pointer;background:var(--bg);border:1px solid var(--border);color:var(--accent);border-radius:10px;padding:9px;font-size:13px;font-weight:700;transition:transform var(--t-fast,.08s) ease}.toggle:active{transform:scale(.96)}.toggle.off{color:var(--text-dim);opacity:.55}.result .newbest{color:var(--accent);font-weight:900;letter-spacing:2px;font-size:14px;margin-bottom:6px;text-shadow:0 0 14px rgba(0,201,167,.6)}.result-score{font-size:46px;font-weight:900;font-family:var(--font-num, system-ui);line-height:1}.result-actions{display:flex;gap:8px;margin:16px 0 6px}.result-actions button{margin-top:0}.result-actions .secondary{font-size:13px;padding:13px 8px}.lb-title{font-size:11px;letter-spacing:1.5px;color:var(--text-dim);font-weight:800;text-align:left;margin:12px 0 6px}.lb-list{display:flex;flex-direction:column;gap:3px;max-height:184px;overflow-y:auto}.lb-row{display:flex;align-items:center;gap:10px;padding:7px 10px;background:var(--bg);border-radius:9px;font-size:13px}.lb-row.me{background:#00c9a724;border:1px solid var(--accent)}.lb-rank{width:18px;color:var(--text-dim);font-weight:800}.lb-name{flex:1;text-align:left;font-weight:700}.lb-score{font-weight:800;font-family:var(--font-num, system-ui)}.revive .revive-gap{font-size:14px;color:var(--text-dim);line-height:1.4;margin-bottom:4px}.revive .revive-gap b{color:var(--accent);font-size:22px}.revive h2,.buy h2{font-size:22px;margin:6px 0 2px}.buy .buy-icon{font-size:30px;color:var(--accent)}.buy .buy-price{font-size:26px;font-weight:900;margin:4px 0 8px}.ad-card{max-width:300px}.ad-tag{display:inline-block;font-size:10px;letter-spacing:2px;font-weight:800;color:var(--text-dim);border:1px solid var(--border);border-radius:6px;padding:2px 8px;margin-bottom:10px}.ad-title{font-size:18px;font-weight:800;margin-bottom:14px}.ad-ring{position:relative;width:96px;height:96px;margin:0 auto 14px}.ad-ring svg{width:96px;height:96px;transform:rotate(-90deg)}.ad-ring .ad-bg{fill:none;stroke:var(--border);stroke-width:7}.ad-ring .ad-fg{fill:none;stroke:var(--accent);stroke-width:7;stroke-linecap:round;transition:stroke-dashoffset .06s linear}.ad-ring .ad-num{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:30px;font-weight:900}.ad-skip.ready{color:var(--accent)}#modal-root{position:absolute;inset:0;z-index:30;pointer-events:none}#modal-root .overlay{pointer-events:auto}.banner{position:absolute;top:30%;left:50%;transform:translate(-50%,-50%);font-size:34px;font-weight:900;letter-spacing:2px;animation:bannerPop .85s var(--ease, cubic-bezier(.2,.8,.2,1)) forwards}.banner.double{color:#5cd6ff;text-shadow:0 0 18px rgba(92,214,255,.7)}.banner.perfect{color:#ffd166;text-shadow:0 0 22px rgba(255,209,102,.8)}@keyframes bannerPop{0%{transform:translate(-50%,-50%) scale(.4);opacity:0}18%{transform:translate(-50%,-50%) scale(1.15);opacity:1}72%{transform:translate(-50%,-50%) scale(1);opacity:1}to{transform:translate(-50%,-58%) scale(1);opacity:0}}@media (prefers-reduced-motion: reduce){.combo.pulse,.banner,.card,.overlay.show{animation-duration:.01ms!important}}.tdemo{display:block;margin:4px auto 2px;image-rendering:pixelated}.title-row{margin-top:8px}.title-row .secondary{margin-top:0}.gem-total{color:var(--text-dim);font-weight:700;font-size:.82em}.gem-award{margin:10px 0 4px;font-size:20px;font-weight:900;color:#5cd6ff;text-shadow:0 0 12px rgba(92,214,255,.5)}.result .secondary#re-shop{margin-top:10px}.shop{max-width:380px;text-align:left}.shop-head{display:flex;align-items:center;justify-content:space-between}.shop-head h2{font-size:22px}.shop-gems{font-size:18px;font-weight:900;color:#5cd6ff}.shop-note{text-align:left;margin:4px 0 12px}.shop-list{display:flex;flex-direction:column;gap:7px;max-height:46vh;overflow-y:auto}.up-row{display:flex;align-items:center;gap:10px;background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:9px 10px}.up-ic{font-size:20px;width:26px;text-align:center;color:var(--accent)}.up-mid{flex:1;min-width:0}.up-name{font-weight:800;font-size:14px}.up-desc{font-size:11.5px;color:var(--text-dim)}.up-pips{display:flex;gap:3px;margin-top:4px}.pip{width:14px;height:5px;border-radius:3px;background:#233}.pip.on{background:var(--accent);box-shadow:0 0 5px #00c9a799}.up-buy{-webkit-appearance:none;appearance:none;border:1px solid var(--accent);background:#00c9a71f;color:var(--accent);font-weight:800;font-size:13px;border-radius:10px;padding:9px 11px;cursor:pointer;white-space:nowrap}.up-buy:active{transform:scale(.95)}.up-buy.poor,.up-buy.maxed{border-color:var(--border);color:var(--text-dim);background:transparent}.skin-row{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:10px}.skin-chip{-webkit-appearance:none;appearance:none;display:flex;align-items:center;gap:6px;cursor:pointer;background:var(--bg);border:1px solid var(--border);color:var(--text);border-radius:10px;padding:7px 10px;font-size:12.5px;font-weight:700}.skin-chip .skin-sw{width:12px;height:12px;border-radius:3px;background:var(--sc)}.skin-chip.on{border-color:var(--sc);box-shadow:0 0 8px color-mix(in srgb,var(--sc) 50%,transparent)}.skin-chip.locked{opacity:.5}.skin-chip:active{transform:scale(.96)}