:root{--blue:#17385f;--blue2:#0e2948;--link:#1d5fa9;--paper:#fff;--soft:#f4f7fa;--border:#d9e0e8;--ink:#19212a;--muted:#697584;--accent:#e8a43a;--max:1140px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#eef2f5;color:var(--ink);font-family:Arial,Helvetica,sans-serif;line-height:1.62}
a{color:var(--link)}.wrap{width:min(var(--max),calc(100% - 34px));margin:auto}.utility{background:#0b2038;color:#d7e2ee;font-size:12px;padding:8px 0}
.utility .wrap{display:flex;justify-content:space-between;gap:20px}.mast{background:var(--paper);border-bottom:1px solid var(--border)}.mastin{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px 0}
.brand{text-decoration:none;color:var(--blue2)}.brand strong{font-size:28px;display:block;letter-spacing:-.03em}.brand span{font-size:12px;color:var(--muted)}
.cta{display:inline-block;background:var(--blue);color:white;text-decoration:none;padding:11px 15px;border-radius:4px;font-weight:700}
.nav{background:var(--blue);color:white}.nav .wrap{display:flex;overflow:auto}.nav a{color:white;text-decoration:none;padding:13px 16px;white-space:nowrap;font-size:14px;border-right:1px solid rgba(255,255,255,.1)}.nav a:hover{background:#24507d}
.page{padding:36px 0 70px}.layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:24px;align-items:start}.panel{background:white;border:1px solid var(--border);border-radius:5px}
.article{padding:28px 30px}.crumb{font-size:12px;color:var(--muted);margin-bottom:16px}.tag{font-size:11px;font-weight:800;color:#7a4b00;background:#fff1d7;border:1px solid #f1d39c;padding:5px 8px;border-radius:3px;display:inline-block}
h1{font-size:40px;line-height:1.12;letter-spacing:-.035em;margin:14px 0 14px;color:#15283c}.lead{font-size:18px;color:#536171}.meta{font-size:12px;color:var(--muted);border-bottom:1px solid var(--border);padding-bottom:18px;margin-bottom:22px}
.article h2{font-size:25px;margin:31px 0 10px;color:#193653}.article p{color:#3e4a55}.callout{background:#f3f7fb;border-left:4px solid var(--blue);padding:16px 18px;margin:22px 0}.button{display:inline-block;background:#c52626;color:white;text-decoration:none;font-weight:800;padding:12px 17px;border-radius:4px}
.archive{margin-top:25px;border-top:1px solid var(--border);padding-top:22px}.postlist{display:grid;gap:12px}.post{border:1px solid var(--border);background:#fbfcfd;padding:17px}.post h3{margin:0 0 6px;font-size:18px}.post p{margin:0;color:var(--muted);font-size:14px}
.side{padding:20px}.side h3{font-size:16px;margin:0 0 12px;color:var(--blue)}.side ul{list-style:none;margin:0;padding:0}.side li{border-top:1px solid var(--border)}.side li:first-child{border-top:0}.side a{display:block;padding:11px 0;text-decoration:none;font-size:14px}
.notice{margin-top:18px;padding:14px;background:#fff8e8;border:1px solid #eed8a8;font-size:12px;color:#6b5734}
footer{background:#102842;color:#cbd7e3;padding:28px 0;font-size:12px}.foot{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.anchor{scroll-margin-top:74px}
@media(max-width:840px){.layout{grid-template-columns:1fr}.sidecol{order:-1}.mastin{align-items:flex-start;flex-direction:column}.article{padding:23px 20px}h1{font-size:34px}}