:root{color-scheme:dark;--bg: #05080d;--panel: #0d131c;--line: #1c2633;--ink: #eef2f6;--dim: #8795a6;--amber: #f2b441;--sky: #9fd0ff}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}a{color:inherit;text-underline-offset:2px}h2{margin:0 0 10px;font-size:13px;font-weight:600;letter-spacing:0.09em;text-transform:uppercase;color:var(--dim)}.top{padding:calc(14px + env(safe-area-inset-top)) 16px 6px;max-width:1100px;margin:0 auto}.kicker{margin:0;color:var(--amber);font-size:13px;letter-spacing:0.04em}.count{margin:2px 0 0;font-size:clamp(56px,19vw,132px);line-height:0.95;font-weight:750;letter-spacing:-0.03em;font-variant-numeric:tabular-nums}.count .unit{font-size:0.26em;font-weight:500;letter-spacing:0;color:var(--dim);white-space:nowrap}.asof{margin:6px 0 0;color:var(--dim);font-size:14px;min-height:1.45em}.asof.old{color:var(--amber)}.stage{position:relative;max-width:1100px;margin:0 auto}#sky{display:block;width:100%;height:66vw;max-height:640px;min-height:240px;touch-action:pan-y;cursor:zoom-in}#sky.zoomed{touch-action:none;cursor:grab}.reset{position:absolute;top:8px;right:12px;min-height:40px;padding:0 14px;border:1px solid var(--line);border-radius:20px;background:rgba(13,19,28,0.85);color:var(--ink);font:inherit;font-size:14px}.key{margin:0;padding:2px 16px 0;color:var(--dim);font-size:12px}.key span{display:inline-block;vertical-align:middle;margin:0 4px 0 8px}.key span:first-child{margin-left:0}.k-air{width:14px;height:2px;border-radius:1px;background:linear-gradient(90deg,transparent,#fff)}.k-ground{width:6px;height:6px;border-radius:50%;background:var(--amber)}.scrub{padding:10px 16px 4px}.scrub input{width:100%;height:40px;margin:0;accent-color:var(--amber)}.scrub p{margin:0;color:var(--dim);font-size:14px;font-variant-numeric:tabular-nums}main{max-width:1100px;margin:0 auto;padding:12px 16px calc(40px + env(safe-area-inset-bottom));display:grid;gap:12px}.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px;min-width:0}select{width:100%;min-height:44px;padding:0 10px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink);font:inherit}.pair{display:grid;grid-template-columns:1fr auto 1fr;gap:8px;align-items:center;color:var(--dim)}.pair select{min-width:0}.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:12px}.facts div{min-width:0}.facts b{display:block;font-size:34px;line-height:1.05;font-weight:700;font-variant-numeric:tabular-nums}.facts b.amber{color:var(--amber)}.facts span{display:block;color:var(--dim);font-size:13px;line-height:1.3}.answer{margin:12px 0 0;font-size:20px;line-height:1.3;font-weight:600}.fine{margin:10px 0 0;color:var(--dim);font-size:13px}.road{position:relative;height:22px;margin-top:14px}.road::before{content:"";position:absolute;left:0;right:0;top:10px;height:2px;background:repeating-linear-gradient(90deg,var(--line) 0 8px,transparent 8px 14px)}.road-done{position:absolute;left:0;top:10px;height:2px;background:var(--amber);transition:width 0.6s ease}.road-car{position:absolute;top:5px;width:12px;height:12px;margin-left:-6px;border-radius:50%;background:var(--amber);box-shadow:0 0 12px var(--amber);transition:left 0.6s ease}.bars{display:flex;align-items:flex-end;gap:3px;height:90px;margin-top:14px;border-bottom:1px solid var(--line)}.bars div{flex:1 1 0;min-width:2px;max-width:28px;background:var(--sky);border-radius:2px 2px 0 0}.method{padding:8px 2px 0;color:var(--dim);font-size:14px}.method p{margin:0 0 10px}@media(min-width:820px){main{grid-template-columns:1fr 1fr}#over,.method{grid-column:1 / -1}#sky{height:58vw}}@media(orientation:landscape)and (max-height:500px){.count{font-size:56px}#sky{height:78vh}}@media(prefers-reduced-motion:reduce){.road-done,.road-car{transition:none}}