:root{--navy: #1b2a4a;--navy-light: #2c4270;--accent: #c9a227;--bg: #f7f8fa;--card: #ffffff;--text: #24292f;--muted: #6b7280;--warn-bg: #fdf3e7;--warn-border: #e8b06a;--radius: 10px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Hiragino Kaku Gothic ProN,Noto Sans JP,Yu Gothic,sans-serif;background:var(--bg);color:var(--text);line-height:1.8}.pr-bar{background:#e9ecf2;color:var(--muted);font-size:12px;text-align:center;padding:6px 16px}header.site{background:var(--navy);color:#fff;padding:14px 0}.container{max-width:960px;margin:0 auto;padding:0 20px}header.site .container{display:flex;align-items:center;justify-content:space-between}.logo{font-size:22px;font-weight:700;letter-spacing:.04em;color:#fff;text-decoration:none}.logo .atlas{color:var(--accent)}.tagline{font-size:12px;opacity:.85}nav.global{background:var(--navy-light)}nav.global ul{display:flex;gap:4px;list-style:none;max-width:960px;margin:0 auto;padding:0 20px;overflow-x:auto}nav.global a{display:block;color:#fff;text-decoration:none;font-size:14px;padding:10px 14px;white-space:nowrap}nav.global a:hover{background:#ffffff1f}.hero{padding:44px 0 34px;text-align:center}.hero h1{font-size:26px;color:var(--navy);margin-bottom:10px}.hero p{color:var(--muted);font-size:15px}.risk-box{background:var(--warn-bg);border:1px solid var(--warn-border);border-radius:var(--radius);padding:16px 20px;font-size:13.5px;margin:0 0 32px}.risk-box strong{color:#8a5a00}main{padding-bottom:48px}h2.section{font-size:20px;color:var(--navy);border-left:4px solid var(--accent);padding-left:12px;margin:36px 0 18px}.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}.card{background:var(--card);border:1px solid #e3e6eb;border-radius:var(--radius);padding:18px 20px;text-decoration:none;color:var(--text);display:block;transition:box-shadow .15s ease}.card:hover{box-shadow:0 4px 14px #1b2a4a1f}.card .cat{font-size:11px;color:var(--accent);font-weight:700;letter-spacing:.06em}.card h3{font-size:15.5px;color:var(--navy);margin:6px 0 8px;line-height:1.5}.card p{font-size:13px;color:var(--muted)}.badge{display:inline-block;font-size:11px;background:#e9ecf2;color:var(--muted);border-radius:999px;padding:1px 10px;margin-top:8px}.draft-banner{background:#fbe9e9;border:1px solid #d98c8c;color:#8a2c2c;border-radius:var(--radius);font-size:13px;padding:10px 16px;margin:20px 0 0}article.post{background:var(--card);border:1px solid #e3e6eb;border-radius:var(--radius);padding:36px 40px;margin-top:28px}article.post h1{font-size:24px;color:var(--navy);line-height:1.5;margin-bottom:8px}article.post .meta{font-size:12.5px;color:var(--muted);margin-bottom:22px}.post-body h2{font-size:19px;color:var(--navy);border-left:4px solid var(--accent);padding-left:12px;margin:32px 0 14px}.post-body h3{font-size:16px;color:var(--navy-light);margin:22px 0 10px}.post-body p,.post-body li{font-size:15px;margin-bottom:12px}.post-body ul,.post-body ol{padding-left:24px;margin-bottom:14px}.post-body table{width:100%;border-collapse:collapse;margin:16px 0;font-size:14px;display:block;overflow-x:auto}.post-body th,.post-body td{border:1px solid #dfe3e8;padding:10px 12px;text-align:left}.post-body th{background:#eef1f5;color:var(--navy);white-space:nowrap}.post-body blockquote{background:var(--warn-bg);border-left:4px solid var(--warn-border);border-radius:0 var(--radius) var(--radius) 0;padding:12px 18px;margin:0 0 16px;font-size:13.5px}.post-body blockquote p{margin:0}.post-body a{color:var(--navy-light)}.post-body img{max-width:100%;height:auto;display:block;margin:18px auto;border:1px solid #e3e6eb;border-radius:var(--radius);background:#fff}.official-box{background:#f2f4f8;border:1px solid #d8dee8;border-radius:var(--radius);padding:16px 20px;margin-top:30px;font-size:14px}.official-box .official-label{font-weight:700;color:var(--navy);margin-right:8px}.official-box a{color:var(--navy-light)}.official-box .official-note{font-size:12px;color:var(--muted);margin-top:8px}.disclaimer{background:#eef1f5;border-radius:var(--radius);font-size:12.5px;color:var(--muted);padding:14px 18px;margin-top:30px}footer.site{background:var(--navy);color:#cfd6e4;font-size:12.5px;padding:26px 0;margin-top:20px}footer.site .container{display:flex;flex-direction:column;gap:8px}footer.site a{color:#cfd6e4}@media(max-width:640px){article.post{padding:24px 20px}header.site .container{flex-direction:column;gap:4px}}