:root{--navy:#10243f;--gold:#aa812e;--ink:#202733;--muted:#667085;--line:#d9dee7;--bg:#f4f6f9;--warn:#fff4e5}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP","Hiragino Kaku Gothic ProN",Meiryo,sans-serif;line-height:1.8}.header{background:var(--navy);color:#fff;border-bottom:4px solid var(--gold)}.header-inner,.container,.footer-inner{width:min(900px,calc(100% - 30px));margin:auto}.header-inner{padding:20px 0;display:flex;justify-content:space-between;align-items:center;gap:20px}.brand{font-weight:800;font-size:19px}.header a,.footer a{color:#fff}.container{padding:38px 0 60px}.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:32px;box-shadow:0 4px 18px rgba(16,36,63,.05)}h1{margin:0 0 25px;color:var(--navy);font-size:30px}h2{margin:32px 0 10px;color:var(--navy);font-size:20px;border-left:4px solid var(--gold);padding-left:12px}p,li{font-size:15px}.meta{color:var(--muted);font-size:13px}.dummy{background:var(--warn);color:#8a4b00;font-weight:700;padding:2px 6px;border-radius:4px}.table{width:100%;border-collapse:collapse;margin-top:18px}.table th,.table td{border:1px solid var(--line);padding:13px;vertical-align:top;text-align:left}.table th{width:28%;background:#f6f8fb;color:var(--navy)}.notice{background:var(--warn);border-left:4px solid #da8b19;padding:14px 16px;margin:18px 0}.footer{background:var(--navy);color:#dce3ec}.footer-inner{padding:25px 0;font-size:13px}.footer-links{display:flex;gap:16px;flex-wrap:wrap;margin-top:10px}@media(max-width:650px){.header-inner{align-items:flex-start;flex-direction:column}.card{padding:22px}h1{font-size:25px}.table,.table tbody,.table tr,.table th,.table td{display:block}.table th{width:100%;border-bottom:0}.table td{border-top:0;margin-bottom:8px}}