:root{--bg:#0b0d12;--panel:#141821;--panel-2:#1b2130;--text:#e7ecf3;--muted:#93a0b4;--accent:#5b8cff;--ok:#35c77f;--ng:#ff5d6c;--border:#262e3f}@media (prefers-color-scheme:light){:root{--bg:#f6f8fc;--panel:#ffffff;--panel-2:#f0f3f9;--text:#10151f;--muted:#5b6675;--accent:#2f6bff;--border:#e2e8f2}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Hiragino Kaku Gothic ProN,Noto Sans JP,Meiryo,sans-serif;line-height:1.7}a{color:var(--accent)}.container{max-width:940px;margin:0 auto;padding:32px 20px 80px}.hero h1{font-size:1.9rem;margin:0 0 8px}.hero p{color:var(--muted);margin:0 0 8px}.card{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:18px 20px;margin:18px 0}.badge{display:inline-block;font-size:.72rem;padding:2px 9px;border-radius:999px;border:1px solid var(--border);background:var(--panel-2);color:var(--muted);margin-right:6px}.kv{display:grid;grid-template-columns:160px 1fr;grid-gap:6px 14px;gap:6px 14px;margin:10px 0}.kv dt{color:var(--muted);font-size:.86rem}.kv dd{margin:0}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.82rem;word-break:break-all;background:var(--panel-2);padding:3px 7px;border-radius:6px;display:inline-block}.numbers{display:flex;flex-wrap:wrap;gap:8px}.number{font-family:ui-monospace,monospace;font-weight:700;font-size:1.05rem;padding:6px 12px;background:var(--panel-2);border:1px solid var(--border);border-radius:8px}.number.win{border-color:var(--accent);color:var(--accent)}button.verify{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--accent);background:transparent;color:var(--accent);padding:8px 16px;border-radius:9px;font-weight:600;cursor:pointer}button.verify:disabled{opacity:.6;cursor:default}.check{margin:8px 0;display:flex;align-items:center;gap:8px}.check .ok{color:var(--ok);font-weight:700}.check .ng{color:var(--ng);font-weight:700}.steps{counter-reset:step;padding-left:0;list-style:none}.steps li{position:relative;padding:6px 0 6px 34px}.steps li:before{counter-increment:step;content:counter(step);position:absolute;left:0;top:6px;width:24px;height:24px;border-radius:999px;background:var(--accent);color:#fff;display:grid;place-items:center;font-size:.78rem;font-weight:700}.legal-nav{display:flex;gap:16px;margin-top:8px}pre.doc{white-space:pre-wrap;word-wrap:break-word;background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:20px;font-size:.9rem}