:root{--navy:#0d3158;--blue:#1769aa;--red:#d9272e;--bg:#f5f8fb;--line:#dce5ed;--muted:#617487}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",sans-serif;color:#14283b;background:#fff}a{text-decoration:none;color:inherit}.container{width:min(1120px,calc(100% - 32px));margin:auto}.header{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:10}.header-inner{min-height:70px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand img{width:150px;display:block}.nav{display:flex;gap:18px;align-items:center;font-weight:800;color:var(--navy)}.nav .reserve{background:#f0b800;padding:10px 14px;border-radius:8px;color:#102b49}.hero{background:linear-gradient(135deg,#edf5fb,#f9fbfd);padding:48px 0 42px;border-bottom:1px solid var(--line)}.kicker{font-weight:900;letter-spacing:.12em;color:var(--blue);font-size:12px}.hero h1{font-size:38px;color:var(--navy);margin:6px 0 8px}.hero p{margin:0;color:var(--muted)}.main{padding:32px 0 60px}.breadcrumb{font-size:12px;color:var(--muted);margin-bottom:24px}.toolbar{display:flex;align-items:end;justify-content:space-between;gap:14px;margin-bottom:20px}.toolbar h2{margin:0;color:var(--navy)}.filters{display:flex;gap:7px;flex-wrap:wrap}.filter{border:1px solid #cbd8e3;background:#fff;border-radius:999px;padding:7px 11px;font-weight:800;color:#52687b;cursor:pointer}.filter.active{background:var(--navy);border-color:var(--navy);color:#fff}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{border:1px solid var(--line);border-radius:13px;overflow:hidden;background:#fff;box-shadow:0 8px 20px rgba(13,49,88,.06);transition:.2s}.card:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(13,49,88,.11)}.thumb{aspect-ratio:16/9;background:#e8eef4}.thumb img{width:100%;height:100%;object-fit:cover;display:block}.card-body{padding:16px}.meta{display:flex;align-items:center;justify-content:space-between;gap:8px;color:var(--muted);font-size:12px}.cat{display:inline-block;border-radius:999px;padding:4px 8px;background:#e8f2fb;color:#17619a;font-weight:900}.card h3{font-size:18px;line-height:1.45;margin:10px 0 7px;color:var(--navy)}.card p{font-size:13px;line-height:1.7;color:#5b6d7e;margin:0}.more{display:inline-block;margin-top:12px;font-weight:900;color:var(--blue);font-size:13px}.empty{display:none;padding:40px;text-align:center;color:var(--muted)}.footer{background:#0b2b4d;color:#fff;padding:28px 0}.footer-inner{display:flex;justify-content:space-between;gap:18px;align-items:center}.footer span{opacity:.75;font-size:12px}.article{max-width:860px;margin:auto}.article-head{margin-bottom:18px}.article-head h1{font-size:34px;line-height:1.4;color:var(--navy);margin:10px 0}.article-meta{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:13px}.article-image{width:100%;max-height:520px;object-fit:contain;background:#eef3f7;border-radius:14px;border:1px solid var(--line);margin:10px 0 24px}.article-body{font-size:16px;line-height:2;color:#2d4052;white-space:pre-wrap;overflow-wrap:anywhere}.back{display:inline-flex;margin-top:30px;font-weight:900;color:var(--blue)}.loading{padding:60px;text-align:center;color:var(--muted)}@media(max-width:820px){.grid{grid-template-columns:1fr 1fr}.nav a:not(.reserve){display:none}.hero{padding:34px 0}.hero h1{font-size:30px}.toolbar{align-items:flex-start;flex-direction:column}.article-head h1{font-size:27px}}@media(max-width:540px){.grid{grid-template-columns:1fr}.container{width:min(100% - 24px,1120px)}.brand img{width:126px}.footer-inner{align-items:flex-start;flex-direction:column}.article-body{font-size:15px}.article-image{border-radius:10px}}