:root{--navy:#1f3a5f;--navy-2:#2c4a73;--bg:#f4f6f9;--card:#ffffff;--border:#d4dae3;--text:#1d2733;--muted:#6b7682;--error:#c0392b;--accent:#b8860b;--ok:#1e7e4f;--radius:10px}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Hiragino Kaku Gothic ProN,Hiragino Sans,Meiryo,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}.wrap{max-width:760px;margin:0 auto;padding:0 16px 64px}header.site{background:var(--navy);color:#fff;padding:18px 16px;text-align:center}.site-logo{display:block;max-height:46px;width:auto;max-width:70%;margin:0 auto 10px}header.site .brand{font-size:14px;letter-spacing:.08em;opacity:.85}header.site h1{margin:4px 0 0;font-size:20px;font-weight:700;letter-spacing:.04em}.lead{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px;margin:20px 0;font-size:14px;color:var(--muted)}.lead 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14px;font-size:14px;margin-bottom:16px}.banner-error{background:#fdecea;color:var(--error);border:1px solid #f5c6cb}.done{text-align:center;padding:36px 18px}.done .check{width:64px;height:64px;border-radius:50%;background:var(--ok);color:#fff;font-size:34px;line-height:64px;margin:0 auto 16px}.done .id{display:inline-block;background:#eef3fa;border:1px solid var(--border);border-radius:6px;padding:6px 12px;font-weight:700;margin:8px 0}footer.site{text-align:center;font-size:12px;color:var(--muted);padding:24px 16px;line-height:1.8}