:root{--rose:#d26779;--rose-deep:#b4304c;--rose-soft:#fff6f8;--ink:#2a2a2a;--ink-muted:#6b6a72;--line:#e9ebf2;--bg:#fafafa}*{box-sizing:border-box}body{margin:0;font-family:Hiragino Sans,Noto Sans JP,system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.55}a{color:var(--rose-deep);text-decoration:none}.topbar{display:flex;align-items:baseline;gap:12px;padding:14px 20px;border-bottom:1px solid var(--line);background:#fff}.brand{font-weight:800;font-size:18px;color:var(--rose-deep)}.muted{color:var(--ink-muted);font-size:13px}.main{max-width:880px;margin:0 auto;padding:24px 16px 64px}.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin-bottom:12px}.card h2{margin:0 0 6px;font-size:16px}.meta{font-size:12px;color:var(--ink-muted)}.badge{display:inline-block;font-size:11px;font-weight:700;padding:2px 8px;border-radius:999px;background:var(--rose-soft);color:var(--rose-deep)}.badge.open{background:#e8f5e9;color:#2e7d32}.badge.replied{background:#e3f2fd;color:#1565c0}.badge.closed{background:#f5f5f5;color:#757575}pre.msg{white-space:pre-wrap;word-break:break-word;background:var(--rose-soft);border-radius:10px;padding:12px;font-size:14px;margin:10px 0}textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:10px;font-size:14px;font-family:inherit}.row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.btn,button{border:none;border-radius:10px;padding:10px 14px;font-size:13px;font-weight:700;cursor:pointer;background:var(--rose);color:#fff}.btn.secondary,button.secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}button:disabled{opacity:.5;cursor:not-allowed}.error{color:var(--rose-deep);font-size:13px;margin-top:8px}.login-box{max-width:360px;margin:48px auto;background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px}.login-box input{width:100%;padding:10px;border:1px solid var(--line);border-radius:10px;margin:12px 0;font-size:14px}pre.msg.zh{background:#f3f6fb;border-left:3px solid #b8c4d9}button.small{padding:4px 10px;font-size:12px;font-weight:600}