:root{--blue:#172bd6;--ink:#17213c;--muted:#68718a;--line:#dfe3f0;--paper:#f3f5fb;--orange:#e84d2f;--font:Inter,"Noto Sans JP", "Hiragino Kaku Gothic ProN",Meiryo,sans-serif;color-scheme:light;font-family:var(--font);color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,input,a{-webkit-tap-highlight-color:transparent}button,input{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.42}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #ff9b36;outline-offset:4px}button{border:0}a{color:inherit}button[hidden],[hidden]{display:none!important}.masthead{max-width:1192px;margin:auto;padding:24px 32px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;gap:12px;align-items:center;text-decoration:none;font-weight:850;font-size:18px;letter-spacing:.02em}.brand-mark{font:bold 27px Georgia,serif;background:var(--blue);color:white;width:36px;height:36px;display:grid;place-items:center;border-radius:10px}.edition{font-size:11px;letter-spacing:.15em;color:var(--muted)}.edition b{color:var(--blue);margin-left:18px}main{max-width:1192px;margin:auto;padding:28px 32px 36px}.game-tabs{display:flex;gap:8px;max-width:500px}.game-tab{background:transparent;border:1px solid var(--line);border-radius:9px;color:var(--muted);padding:12px 20px;font-size:15px;font-weight:750;flex:1}.game-tab span{font-size:12px;font-weight:600;margin-right:10px}.game-tab.active{background:var(--blue);border-color:var(--blue);color:white}.game-tab.truck-active{background:var(--orange);border-color:var(--orange)}.game-heading{display:flex;align-items:center;justify-content:space-between;margin:28px 0 22px;gap:15px}.eyebrow{font-size:11px;font-weight:800;letter-spacing:.18em;color:var(--blue);margin:0 0 7px}h1{font-size:clamp(24px,3.4vw,37px);letter-spacing:-.04em;margin:0;font-weight:850}.personal-best{margin:0;text-align:right;color:var(--muted);font-size:12px;white-space:nowrap}.personal-best strong{display:block;font-size:25px;line-height:1.5;letter-spacing:-.03em;color:var(--blue);font-variant-numeric:tabular-nums}.personal-best small{font-size:14px}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:20px;align-items:start}.play-column{background:white;border:1px solid var(--line);border-radius:16px;overflow:hidden}.canvas-top{padding:16px 20px;display:flex;justify-content:space-between;gap:8px;font-size:12px;font-weight:750;border-bottom:1px solid var(--line)}#canvas-badge{font-size:11px;color:var(--muted);font-weight:500}.canvas-wrap{position:relative;background:#fff;line-height:0}canvas{display:block;width:100%;height:auto;touch-action:none;user-select:none;-webkit-user-select:none}.pause-overlay{position:absolute;inset:0;background:#17213c70;backdrop-filter:blur(5px);display:grid;place-items:center}.canvas-bottom{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:48px;padding:12px 18px;background:#fafbfe;border-top:1px solid var(--line)}.hint{font-size:12px;line-height:1.7;color:var(--muted)}.control-panel{background:white;border:1px solid var(--line);border-radius:16px;padding:22px}.step-heading{display:flex;align-items:center;gap:10px;margin-bottom:24px}.step-number{display:grid;place-items:center;border-radius:50%;width:27px;height:27px;background:var(--blue);color:white;font-size:13px;font-weight:800}.orange-bg{background:var(--orange)}h2{font-size:18px;margin:0;letter-spacing:-.02em}.meter-label{display:flex;justify-content:space-between;align-items:center;font-size:13px;font-weight:650;gap:8px;margin:14px 0 8px}.meter-label output{color:var(--blue);font-variant-numeric:tabular-nums}progress{appearance:none;-webkit-appearance:none;border:0;width:100%;height:8px;border-radius:5px;overflow:hidden;background:#e9ecf5}progress::-webkit-progress-bar{background:#e9ecf5}progress::-webkit-progress-value{background:var(--blue);border-radius:5px}progress::-moz-progress-bar{background:var(--blue)}#cargo-meter::-webkit-progress-value{background:var(--orange)}.control-note{font-size:12px;line-height:1.9;color:var(--muted);margin:12px 0 18px}.primary,.secondary,.quiet{border-radius:8px;min-height:44px;font-weight:750;font-size:14px;padding:11px 15px}.primary{background:var(--blue);color:white}.primary:hover:not(:disabled){background:#1021b8}.secondary{background:#f1f3fa;border:1px solid var(--line);color:var(--ink)}.secondary:hover:not(:disabled){background:#e7eafa}.quiet{background:transparent;color:var(--muted);font-size:12px}.wide{width:100%;margin-top:13px}.button-row{display:flex;gap:8px}.button-row>*{flex:1;min-width:0;padding-left:8px;padding-right:8px}.tiny-facts{display:grid;gap:10px;font-size:11px;color:var(--muted);border-top:1px solid var(--line);margin-top:22px;padding-top:18px}.dot{display:inline-block;width:7px;height:7px;border-radius:50%;margin-right:8px}.blue{background:var(--blue)}.orange{background:var(--orange)}.status{font-size:13px;line-height:1.7;margin:12px 0 0;min-height:0;color:var(--orange)}.status:empty{display:none}.range-label{display:flex;justify-content:space-between;font-size:13px;font-weight:650;margin:17px 0 9px}input[type=range]{width:100%;height:26px;accent-color:var(--blue);touch-action:pan-y}.check-label{font-size:13px;display:flex;align-items:center;gap:6px;margin:12px 0}input[type=checkbox]{width:18px;height:18px;accent-color:var(--blue)}.input-label{display:block;font-size:13px;font-weight:650;margin-bottom:9px}.text-entry{display:flex;gap:8px}input[type=text]{width:100%;min-width:0;border:1px solid #cbd1e4;border-radius:8px;padding:10px;font-size:18px;color:var(--ink);background:white}.text-entry button{flex-shrink:0}.orange-primary{background:var(--orange)}.orange-primary:hover:not(:disabled){background:#cc3c20}.live-stats{display:flex;gap:42px;padding:14px 20px;border-top:1px solid var(--line)}.live-stats>div{font-size:11px;color:var(--muted)}.live-stats strong{display:block;font-size:27px;line-height:1.4;color:var(--ink);font-variant-numeric:tabular-nums}.live-stats small{font-size:13px}.result{background:var(--blue);border-radius:16px;margin-top:20px;padding:28px 32px;color:white;display:flex;justify-content:space-between;gap:30px;align-items:center}.result-score>p{font-size:13px;margin:0 0 8px;color:#d8dfff}.result-score h2{font-size:60px;font-weight:850;letter-spacing:-.06em;font-variant-numeric:tabular-nums;line-height:1.2}.result-score h2 small{font-size:22px}.result-score #result-caption{margin-top:10px;font-size:12px}.result-actions{display:grid;gap:8px;min-width:255px}.result .primary{background:white;color:var(--blue)}.result .secondary{background:#ffffff18;border:1px solid #ffffff4d;color:white}.text-link{font-size:12px;text-align:center;padding:5px}.rules{margin-top:22px;font-size:13px;color:var(--muted)}.rules summary{cursor:pointer;line-height:2}.rules p{font-size:13px;line-height:1.9;max-width:800px}footer{display:flex;gap:20px;max-width:1192px;padding:22px 32px 30px;margin:auto;border-top:1px solid var(--line);color:var(--muted);font-size:11px}footer a{margin-left:auto}
@media(max-width:820px){.masthead{padding:17px 20px}.edition{font-size:9px}.edition b{display:none}main{padding:20px}.workspace{grid-template-columns:1fr;gap:14px}.control-panel{padding:18px}.game-heading{margin:23px 0 17px}.step-heading{margin-bottom:16px}.tiny-facts{display:flex;flex-wrap:wrap;gap:15px;margin-top:16px;padding-top:14px}.result{padding:23px;align-items:flex-start;flex-direction:column;gap:20px}.result-actions{width:100%;min-width:0}.result-score h2{font-size:52px}.game-tab{padding:11px 8px;font-size:14px}.game-tab span{margin-right:7px}.personal-best strong{font-size:21px}.control-note,.hint{font-size:13px}.meter-label,.range-label,.check-label,.input-label{font-size:14px}.canvas-top{padding:12px 14px}footer{padding:20px;gap:14px;font-size:10px}.live-stats{gap:35px}.brand{font-size:16px}.edition{display:none}.canvas-bottom{min-height:48px}#game-title{font-size:25px}.personal-best{font-size:11px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
@media(max-width:820px){#game-title span{display:block}#game-title{font-size:24px;line-height:1.5}.game-heading{align-items:flex-end}.personal-best{padding-bottom:4px}.canvas-top{font-size:12px}}
#result-card{display:block;width:min(100%,420px);height:auto;border-radius:8px;margin-top:20px;background:white}.result-score{min-width:0;flex:1}.result-score .image-note{font-size:11px;margin-top:8px}.result-actions{flex-shrink:0}@media(max-width:820px){.result-score{width:100%}#result-card{width:100%}}
@media(max-width:820px){.workspace.simulation .control-panel{display:none}.result{scroll-margin-top:20px}}
.rocket-link{font-size:13px;font-weight:700;text-decoration:none;color:#172bd6;border:1px solid #cbd2eb;border-radius:7px;padding:9px 12px}@media(max-width:820px){.rocket-link{font-size:11px;padding:8px}}
.extra-games{display:flex;gap:7px;flex-wrap:wrap;justify-content:flex-end}@media(max-width:820px){.masthead{flex-wrap:wrap;gap:12px}.extra-games{width:100%;justify-content:flex-start}.extra-games .rocket-link{font-size:13px}}