:root{--dirt: #8b6b45;--asphalt: #3d3a36;--chalk: #efe6d4;--vermillion: #c23b22;--indigo: #1e3a5f;--gold: #e6b422;--paper: #f3e6c8;--ink: #1a1610;--mist: #c8b89a;--safe: env(safe-area-inset-bottom, 0px);color-scheme:dark}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;min-height:100%;background:radial-gradient(70% 42% at 50% 0%,rgba(230,180,34,.22),transparent 58%),repeating-linear-gradient(90deg,rgba(194,59,34,.08) 0 14px,transparent 14px 28px),linear-gradient(180deg,#4a3a28 0%,var(--asphalt) 46%,#241c16 100%);color:var(--paper);font-family:Kosugi Maru,Hiragino Maru Gothic ProN,sans-serif}body{min-height:100dvh}#app{width:min(520px,100%);margin:0 auto;min-height:100dvh;min-height:100svh;padding:calc(10px + env(safe-area-inset-top,0px)) 12px calc(14px + var(--safe));display:grid;grid-template-rows:auto auto 1fr auto auto;gap:8px}button{font:inherit;color:inherit;border:0;background:none;padding:0;cursor:pointer;touch-action:manipulation}button:focus-visible{outline:2px solid var(--gold);outline-offset:3px}.top{display:flex;align-items:flex-end;justify-content:space-between;gap:10px}.brand h1{margin:0;font-family:Yuji Syuku,Yu Mincho,serif;font-weight:400;font-size:clamp(30px,8vw,40px);letter-spacing:.14em;line-height:1.1}.eyebrow,.ver{margin:0;font-size:11px;letter-spacing:.18em;color:var(--mist)}.ver{font-family:Share Tech Mono,ui-monospace,monospace;letter-spacing:.08em;color:var(--gold)}.pills{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:6px}.pill{min-width:58px;padding:6px 8px 5px;border:1px solid rgba(230,180,34,.35);background:#1a16109e;text-align:center}.pill b{display:block;font-family:Share Tech Mono,ui-monospace,monospace;font-size:18px;line-height:1}.pill span{font-size:10px;letter-spacing:.12em;color:var(--mist)}.how{margin:0;font-size:12px;line-height:1.6;color:var(--mist)}.stage-wrap{position:relative;min-height:0;display:grid}#yard{width:100%;height:min(58dvh,520px);display:block;border-radius:18px;touch-action:none;cursor:grab;box-shadow:inset 0 0 0 2px #3e2a168c,0 12px #1a1410}#yard:active{cursor:grabbing}.hud{display:flex;justify-content:space-between;gap:8px;font-family:Share Tech Mono,ui-monospace,monospace;font-size:13px;letter-spacing:.06em}.hud b{color:var(--gold);font-weight:400}.status{margin:0;font-size:13px;line-height:1.5;color:var(--chalk);min-height:2.4em}.actions{display:grid;grid-template-columns:1fr;gap:10px}.stamp{min-height:52px;padding:0 14px;background:linear-gradient(180deg,#d44a32,var(--vermillion));color:var(--paper);letter-spacing:.16em;font-weight:700;box-shadow:0 4px #7a1c12}.stamp:active{transform:translateY(2px);box-shadow:0 2px #7a1c12}.ghost{min-width:44px;min-height:44px;padding:0 10px;border:1px solid rgba(230,180,34,.4);color:var(--gold)}.sheet{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;pointer-events:auto;background:#1a161085;border-radius:18px}.sheet[hidden]{display:none}.sheet .panel{width:min(86%,300px);display:grid;gap:10px;margin:0;padding:16px 18px;background:#1a1610f0;border:2px solid var(--gold);color:var(--paper);text-align:center;letter-spacing:.08em}.sheet h2{margin:0;font-family:Yuji Syuku,Yu Mincho,serif;font-weight:400;letter-spacing:.14em}.sheet .meta{margin:0;color:var(--mist);font-size:13px}@media(prefers-reduced-motion:reduce){.stamp{transition:none}}