:root{color:#1f2937;font-family:system-ui,-apple-system,Hiragino Sans,Noto Sans JP,sans-serif;line-height:1.6}body{margin:0}main{max-width:640px;margin:0 auto;padding:24px}pre{background:#f3f4f6;padding:16px;overflow-x:auto}dt{font-weight:600}dd{overflow-wrap:anywhere;margin:0 0 16px}.answer-buttons{flex-wrap:wrap;gap:16px;display:flex}button{color:inherit;font:inherit;cursor:pointer;background:#fff;border:1px solid #1f2937;border-radius:4px;padding:12px 24px}button:disabled{opacity:.5;cursor:wait}