:root{--ink:#16233a;--text:#3b4658;--muted:#5f6878;--bg:#fbfaf7;--card:#fff;--line:#e4e1da;--field-border:#858c98;--accent:#c8412b;--on-accent:#fff;--accent-soft:#fbeee9;--notice:#fff6de;--serif:"Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", Georgia, serif;--sans:system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP", "Segoe UI", sans-serif;--radius:10px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;font:16px/1.6 var(--sans);color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--ink:#eef1f6;--text:#c9ced8;--muted:#8d95a3;--bg:#0f1522;--card:#172033;--line:#26314a;--field-border:#65718b;--accent:#ec6a52;--on-accent:#0f1522;--accent-soft:#2a1f22;--notice:#2c2716}}*{box-sizing:border-box}body{margin:0}#root{flex-direction:column;min-height:100vh;display:flex}main{flex:1;width:100%;max-width:920px;margin:0 auto;padding:16px 16px 48px}h1,h2{font-family:var(--serif);color:var(--ink);font-weight:600;line-height:1.25}h1{margin:.6em 0 .3em;font-size:clamp(1.8rem,5vw,2.6rem)}h2{margin:0 0 .2em;font-size:1.2rem}a{color:var(--accent)}button,input,select{font:inherit;color:inherit}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.topbar{z-index:10;background:color-mix(in srgb, var(--bg) 88%, transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);align-items:center;gap:16px;padding:10px 16px;display:flex;position:sticky;top:0}.brand{font-family:var(--serif);color:var(--ink);font-size:1.3rem;font-weight:700;text-decoration:none}.topbar nav{flex:1;gap:14px;display:flex}.topbar nav a{color:var(--text);padding:6px 2px;text-decoration:none}.topbar nav a[aria-current=page]{color:var(--ink);box-shadow:inset 0 -2px var(--accent)}.lang{border:1px solid var(--line);background:var(--card);cursor:pointer;border-radius:999px;padding:4px 12px}.hero{padding:24px 0 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button[type=submit]{cursor:pointer;border:0;justify-self:start;min-height:44px}.hp{opacity:0;width:1px;height:1px;position:absolute;left:-9999px}.success{color:#1d5a33;background:#e8f5ec;border-radius:8px;padding:10px 14px}@media (prefers-color-scheme:dark){.success{color:#a6e3b8;background:#16301f}}.status strong{color:var(--ink)}.actions{flex-wrap:wrap;gap:10px;display:flex}.actions .button{cursor:pointer;border:0;min-height:44px}.button.secondary{background:var(--card);color:var(--ink);border:1px solid var(--line)!important}button:disabled{opacity:.6;cursor:wait}.back{margin-top:8px;text-decoration:none;display:inline-block}.detail .lead{font-size:1.1rem}.notice{background:var(--notice);border-radius:8px;padding:10px 14px;font-size:.9rem}.notice.small{color:var(--text)}.detail dl{grid-template-columns:max-content 1fr;gap:8px 16px;margin:20px 0;display:grid}.detail dt{color:var(--muted);font-size:.9rem}.detail dd{margin:0}@media (width<=480px){.detail 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.button{cursor:pointer;border:0;min-height:44px}.lang-offer .link{min-height:44px}