.ct-app{--paper:#08090a;--paper-2:#0d0f11;--paper-3:#131619;--ink:#f4f2f0;--ink-2:#bfbdbb;--ink-3:#8d8b89;--ink-4:#605e5c;--rule:#f2f0ee17;--rule-2:#f2f0ee2b;--rule-3:#f2f0ee4d;--ice:#7fd8e8;--ice-2:#7fd8e880;--ice-3:#7fd8e838;--ice-4:#7fd8e814;--warn:#f0866a;--warn-2:#f0866a59;--sans:"Helvetica Neue", Helvetica, "Segoe UI", system-ui, -apple-system, "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;--mono:ui-monospace, "SFMono-Regular", "Cascadia Mono", "Roboto Mono", Menlo, Consolas, monospace;--ease:cubic-bezier(.2, 0, 0, 1);--ease-o:cubic-bezier(.16, 1, .3, 1);--pop:cubic-bezier(.34, 1.4, .5, 1);background:var(--paper);min-height:100dvh;color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;-webkit-user-select:none;user-select:none;touch-action:manipulation;animation:ct-enter .24s var(--ease-o);flex-direction:column;padding:0 clamp(12px,2.5vw,32px) 20px;display:flex;position:relative}@keyframes ct-enter{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.ct-bar{border-bottom:1px solid var(--rule);align-items:center;gap:12px;padding:14px 0 10px;display:flex}.ct-mark{white-space:nowrap;font-size:15px;font-weight:600}.ct-mark b{color:var(--ice);font-weight:700}.ct-eyebrow{font-family:var(--mono);letter-spacing:.24em;text-transform:uppercase;color:var(--ink-3);white-space:nowrap;font-size:10px}.ct-bar__spacer{flex:1}.ct-exit{z-index:40;pointer-events:auto;appearance:none;border:1px solid var(--rule-2);color:var(--ink-3);font-family:var(--mono);letter-spacing:.14em;cursor:pointer;transition:border-color .15s var(--ease), color .15s var(--ease);background:0 0;padding:7px 12px;font-size:10.5px;position:relative}.ct-exit:hover{border-color:var(--rule-3);color:var(--ink)}.ct-exit:focus-visible{outline:2px solid var(--ice);outline-offset:2px}.ct-intro{flex-direction:column;flex:1;justify-content:center;max-width:560px;margin:0 auto;padding:24px 0;display:flex}.ct-title{letter-spacing:-.03em;font-size:clamp(38px,7vw,64px);font-weight:800;line-height:1}.ct-sub{font-family:var(--mono);letter-spacing:.2em;color:var(--ink-3);margin-top:8px;font-size:11px}.ct-rule{letter-spacing:-.01em;margin-top:28px;font-size:clamp(19px,2.8vw,24px);font-weight:700}.ct-rule-detail{color:var(--ink-3);max-width:44ch;margin-top:10px;font-size:13px;line-height:1.75}.ct-rule-flow{font-family:var(--mono);letter-spacing:.1em;color:var(--ink-3);margin-top:6px;font-size:11px}.ct-start{background:var(--ice);border:1px solid var(--ice);height:50px;color:var(--paper);font-family:var(--mono);letter-spacing:.2em;cursor:pointer;transition:transform .16s var(--ease), box-shadow .16s var(--ease);align-self:flex-start;align-items:center;gap:12px;margin-top:30px;padding:0 24px;font-size:12.5px;font-weight:700;display:inline-flex}.ct-start:hover{box-shadow:0 0 24px var(--ice-3);transform:translateY(-2px)}.ct-start:active{transform:translateY(0)scale(.99)}.ct-start:focus-visible{outline:2px solid var(--ink);outline-offset:3px}.ct-start i{background:currentColor;width:18px;height:1px;position:relative}.ct-start i:after{content:"";border-top:1px solid;border-right:1px solid;width:7px;height:7px;position:absolute;top:-3px;right:0;transform:rotate(45deg)}.ct-stage{flex-direction:column;flex:1;align-items:stretch;min-height:0;padding-top:6px;display:flex}.ct-status{height:24px;font-family:var(--mono);letter-spacing:.16em;color:var(--ink-3);justify-content:center;align-items:center;gap:14px;font-size:11px;display:flex}.ct-progress{color:var(--ink-2);font-variant-numeric:tabular-nums}.ct-standby{color:var(--ink-4)}.ct-rack{background:linear-gradient(to bottom, #ffffff04, transparent 30%), var(--paper-2);border-top:1px solid var(--rule-2);border-bottom:1px solid var(--rule-3);flex:1;grid-template-columns:repeat(6,minmax(0,1fr));width:100%;min-height:420px;max-height:78dvh;margin-top:6px;display:grid;position:relative;overflow:hidden}.ct-rail{background:var(--ice-2);height:2px;box-shadow:0 0 10px var(--ice-3);position:absolute;top:0;left:0;right:0}.ct-floor{background:var(--rule-3);height:1px;position:absolute;bottom:0;left:0;right:0}.ct-lane{cursor:pointer;border-right:1px solid #f2f0ee0b;min-width:0;position:relative}.ct-lane:last-child{border-right:0}.ct-lane:focus-visible{outline:2px solid var(--ice);outline-offset:-2px}.ct-stick{background:linear-gradient(to bottom, var(--ice), color-mix(in srgb, var(--ice) 55%, var(--paper-3)));width:6px;height:18%;box-shadow:0 0 6px var(--ice-4);will-change:transform;margin-left:-3px;position:absolute;top:2px;left:50%;transform:translate(0,0)}.ct-stick__cap{background:var(--ice);height:9px;box-shadow:0 0 8px var(--ice-2);position:absolute;top:0;left:-4px;right:-4px}.ct-app[data-phase=waiting] .ct-stick__cap{animation:2.4s ease-in-out infinite ct-breathe}@keyframes ct-breathe{0%,to{opacity:.85}50%{opacity:1}}.ct-stick[data-falling="1"]{box-shadow:0 0 16px var(--ice-2), 0 0 2px var(--ice)}.ct-stick[data-falling="1"]:before{content:"";background:linear-gradient(to top, var(--ice-3), transparent);pointer-events:none;height:90px;position:absolute;bottom:100%;left:-1px;right:-1px}.ct-app[data-phase=falling] .ct-lane[data-target="1"]{background:linear-gradient(#7fd8e805,#0000 30%)}.ct-lane[data-fb=hit] .ct-stick{opacity:0;transition:opacity 90ms var(--ease), transform 90ms var(--ease);transform:scaleY(.6)}.ct-lane[data-fb=hit]:after{content:"";pointer-events:none;background:linear-gradient(to bottom, var(--ice-3), var(--ice-4));animation:ct-flash .2s var(--ease-o) forwards;position:absolute;inset:0}.ct-lane[data-fb=hit]:before{content:"";pointer-events:none;background:linear-gradient(to bottom, transparent, var(--ice), transparent);width:1px;height:100%;animation:ct-sweep .18s var(--ease-o) forwards;margin-left:-.5px;position:absolute;top:0;left:50%;transform:translateY(-100%)}.ct-lane[data-fb=wrong]:after{content:"";pointer-events:none;animation:ct-flash .24s var(--ease-o) forwards;background:#f0866a24;position:absolute;inset:0}.ct-lane[data-fb=miss] .ct-stick{opacity:0;transition:opacity .12s var(--ease)}@keyframes ct-flash{0%{opacity:1}to{opacity:0}}@keyframes ct-sweep{0%{opacity:1;transform:translateY(-100%)}to{opacity:0;transform:translateY(100%)}}.ct-fb{font-family:var(--mono);letter-spacing:.06em;white-space:nowrap;color:var(--ice);text-shadow:0 0 14px var(--ice-3);animation:ct-pop .14s var(--pop);pointer-events:none;z-index:2;font-size:clamp(16px,2.4vw,24px);font-weight:800;position:absolute;top:42%;left:50%;transform:translate(-50%)}.ct-fb[data-kind=wrong]{color:var(--warn);text-shadow:none}.ct-fb[data-kind=miss]{color:var(--ink-3);text-shadow:none;top:auto;bottom:14px}@keyframes ct-pop{0%{opacity:0;transform:translate(-50%)translateY(6px)scale(.94)}to{opacity:1;transform:translate(-50%)translateY(0)scale(1)}}.ct-falsestart{pointer-events:none;z-index:3;font-family:var(--mono);letter-spacing:.2em;color:var(--warn);animation:ct-pop .14s var(--ease-o);background:#08090a8c;flex-direction:column;justify-content:center;align-items:center;gap:6px;font-size:clamp(14px,2.4vw,18px);font-weight:700;display:flex;position:absolute;inset:0}.ct-falsestart small{font-family:var(--sans);letter-spacing:0;color:var(--ink-3);font-size:12px;font-weight:400}.ct-interrupted{text-align:center;background:#08090ad1;flex-direction:column;justify-content:center;align-items:center;gap:8px;padding:24px;display:flex;position:absolute;inset:0}.ct-interrupted__title{font-size:16px;font-weight:600}.ct-interrupted__body{color:var(--ink-3);max-width:40ch;font-size:12.5px}.ct-result{width:100%;max-width:600px;animation:ct-enter .24s var(--ease-o);flex:1;margin:0 auto;padding:22px 0}.ct-result__k{font-family:var(--mono);letter-spacing:.24em;color:var(--ink-3);font-size:10px}.ct-result__head{border-bottom:1px solid var(--rule);grid-template-columns:1fr auto;align-items:end;gap:18px;margin-top:10px;padding-bottom:14px;display:grid}.ct-result__label{font-family:var(--mono);letter-spacing:.18em;color:var(--ink-3);font-size:10px;display:block}.ct-result__num{letter-spacing:-.03em;color:var(--ice);font-variant-numeric:tabular-nums;margin-top:4px;font-size:clamp(44px,8vw,64px);font-weight:800;line-height:1;display:block}.ct-result__num small{letter-spacing:.06em;color:var(--ink-3);margin-left:6px;font-size:14px;font-weight:500}.ct-result__hits .ct-result__num{color:var(--ink)}.ct-result__breakdown{font-family:var(--mono);letter-spacing:.14em;color:var(--ink-3);margin-top:6px;font-size:10px;display:block}.ct-strip{grid-template-columns:repeat(8,minmax(0,1fr));gap:4px;margin-top:14px;display:grid}.ct-strip__cell{border:1px solid var(--rule);background:var(--paper-2);font-family:var(--mono);font-variant-numeric:tabular-nums;color:var(--ink-2);flex-direction:column;align-items:center;gap:4px;padding:8px 2px;font-size:11px;display:flex}.ct-strip__cell b{color:var(--ink-4);font-size:9px;font-weight:400}.ct-strip__cell[data-outcome=hit]{color:var(--ice);border-color:var(--ice-3)}.ct-strip__cell[data-outcome=wrong]{color:var(--warn);border-color:var(--warn-2);letter-spacing:.06em;font-size:9px}.ct-strip__cell[data-outcome=miss]{color:var(--ink-3);letter-spacing:.06em;font-size:9px}.ct-result__grid{flex-wrap:wrap;gap:10px;margin-top:14px;display:flex}.ct-result__grid>div{border:1px solid var(--rule);background:var(--paper-2);min-width:180px;padding:10px 12px}.ct-result__grid dt{font-family:var(--mono);letter-spacing:.18em;text-transform:uppercase;color:var(--ink-3);font-size:9.5px}.ct-result__grid dd{font-variant-numeric:tabular-nums;margin:4px 0 0;font-size:15px;font-weight:600}.ct-hint{color:var(--ink-3);margin-top:12px;font-size:11.5px;line-height:1.7}.ct-actions{flex-wrap:wrap;gap:10px;margin-top:18px;display:flex}.ct-btn{border:1px solid var(--rule-2);height:42px;color:var(--ink-2);font-family:var(--mono);letter-spacing:.14em;cursor:pointer;transition:border-color .15s var(--ease), color .15s var(--ease), transform .15s var(--ease);background:0 0;justify-content:center;align-items:center;padding:0 18px;font-size:11px;text-decoration:none;display:inline-flex}.ct-btn:hover{border-color:var(--rule-3);color:var(--ink);transform:translateY(-1px)}.ct-btn:focus-visible{outline:2px solid var(--ice);outline-offset:2px}.ct-btn--primary{background:var(--ice);border-color:var(--ice);color:var(--paper);font-weight:700}.ct-btn--primary:hover{color:var(--paper);box-shadow:0 0 18px var(--ice-3)}@media (max-width:560px){.ct-app{padding:0 6px 16px}.ct-rack{min-height:380px;max-height:70dvh}.ct-stick{width:5px;height:16%;margin-left:-2.5px}.ct-fb{font-size:15px;top:40%}.ct-result__head{grid-template-columns:1fr}.ct-strip{grid-template-columns:repeat(4,minmax(0,1fr))}.ct-result__grid>div{flex:140px;min-width:0}}@media (prefers-reduced-motion:reduce){.ct-app,.ct-result,.ct-fb,.ct-falsestart{animation:none!important}.ct-app[data-phase=waiting] .ct-stick__cap{animation:none}.ct-lane[data-fb]:after,.ct-lane[data-fb]:before{opacity:.5;animation:none}.ct-start,.ct-btn,.ct-exit,.ct-stick{transition:none!important}.ct-stick[data-falling="1"]:before{display:none}}