:root{--ink: #1c1610;--cedar: #8a5a2c;--sawdust: #e8d2a0;--vermilion: #c42820;--dusk: #243048;--brass: #c9a24a;--paper: #f3e6c4;--moss: #3a4a38;--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(58% 34% at 50% -4%,rgba(201,162,74,.22),transparent 56%),repeating-linear-gradient(90deg,rgba(138,90,44,.14) 0 3px,transparent 3px 18px),linear-gradient(180deg,#3a4a38 0%,#243018 42%,var(--ink) 100%);color:var(--paper);font-family:Zen Kaku Gothic New,Hiragino Sans,Yu Gothic,sans-serif}body{min-height:100dvh}#app{width:min(520px,100%);margin:0 auto;min-height:100dvh;min-height:100svh;padding:calc(8px + env(safe-area-inset-top,0px)) 12px calc(12px + var(--safe));display:grid;grid-template-rows:auto auto minmax(280px,1fr) auto auto auto;gap:7px}button{font:inherit;color:inherit;border:0;background:none;padding:0;cursor:pointer;touch-action:manipulation}button:focus-visible{outline:2px solid var(--brass);outline-offset:3px}.top{display:grid;grid-template-columns:1fr auto;align-items:end;gap:8px 10px}.brand h1{margin:0;font-family:Yuji Boku,Yu Mincho,serif;font-weight:400;font-size:clamp(30px,8.4vw,44px);letter-spacing:.16em;line-height:1;color:var(--paper);text-shadow:0 2px 0 #6a1410}.brand .ver{margin-top:4px;font-size:13px}.eyebrow,.ver{margin:0;font-size:11px;letter-spacing:.2em;color:var(--sawdust)}.ver{font-family:Share Tech Mono,ui-monospace,monospace;letter-spacing:.08em;color:var(--brass)}.pills{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:6px}.pill{min-width:64px;padding:6px 8px 5px;border:1px solid rgba(201,162,74,.4);background:#1c16109e;text-align:center}.pill b{display:block;font-family:Share Tech Mono,ui-monospace,monospace;font-size:16px;line-height:1}.pill span{font-size:10px;letter-spacing:.12em;color:var(--sawdust)}.how{margin:0;font-size:12px;line-height:1.55;color:var(--sawdust);line-break:strict;overflow-wrap:anywhere}.nobr{white-space:nowrap}.stage-wrap{position:relative;min-height:min(56dvh,430px);display:grid}.stage{position:relative;width:100%;min-height:min(56dvh,430px);height:100%;border:8px solid #6a3e1c;box-shadow:inset 0 0 0 2px #c9a24a,0 8px #1c120a;overflow:hidden;background:#3a4a38}canvas{position:absolute;top:0;right:0;bottom:0;left:0;display:block;width:100%;height:100%;touch-action:none}canvas:focus{outline:none}canvas:focus-visible{outline:2px solid var(--brass);outline-offset:-10px}.prompt{position:absolute;left:10px;right:10px;top:8px;margin:0;text-align:center;font-family:Yuji Boku,Yu Mincho,serif;font-size:clamp(14px,3.8vw,18px);letter-spacing:.1em;color:var(--paper);text-shadow:0 1px 0 rgba(20,16,10,.7);pointer-events:none}.hud{display:flex;justify-content:space-between;gap:8px;font-size:13px;letter-spacing:.04em}.hud b{color:var(--brass);font-weight:700;font-family:Share Tech Mono,ui-monospace,monospace}.actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}.stamp,.ghost{min-height:48px;padding:0 12px;letter-spacing:.1em}.stamp{background:linear-gradient(180deg,#d44838,var(--vermilion) 58%,#8a1c16);color:var(--paper);font-weight:700;box-shadow:0 4px #5a100c}.stamp:active{transform:translateY(2px);box-shadow:0 2px #5a100c}.stamp:disabled{opacity:.45}.ghost{min-width:44px;border:1px solid rgba(201,162,74,.45);background:#1c16108c;color:var(--sawdust)}.ghost.is-on{background:var(--dusk)}.toast,.sheet{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;pointer-events:none;z-index:3}.toast p,.sheet .panel{margin:0;padding:14px 18px;background:#1c1610f0;border:2px solid var(--brass);color:var(--paper);text-align:center;letter-spacing:.08em}.toast[hidden],.sheet[hidden]{display:none}.sheet{pointer-events:auto;background:#100c0875}.sheet .panel{width:min(90%,320px);display:grid;gap:10px}.sheet h2{margin:0;font-family:Yuji Boku,Yu Mincho,serif;font-weight:400;letter-spacing:.16em}.sheet .ver{margin:0;font-family:Share Tech Mono,ui-monospace,monospace;letter-spacing:.12em;color:var(--brass)}.sheet .prize{margin:0;font-size:28px;font-family:Yuji Boku,Yu Mincho,serif;color:var(--brass)}.sheet .meta{margin:0;color:var(--sawdust);font-size:13px}.note{margin:0;font-size:10px;letter-spacing:.06em;color:#e8d2a0b3;text-align:center;line-break:strict}@media(max-width:420px){.top{grid-template-columns:1fr}.pills{justify-content:flex-start}.how{font-size:11.5px;letter-spacing:.01em;line-height:1.5}}@media(max-height:700px){.how{display:none}.stamp,.ghost{min-height:44px}}@media(prefers-reduced-motion:reduce){.stamp,.ghost{transition:none}}