:root{color-scheme:light;--color-ink: #17191c;--color-muted: #59616a;--color-paper: #f6f7f4;--color-surface: #ffffff;--color-line: #d9ded7;--color-green: #2f6d59;--color-red: #b44f3f;--color-blue: #315d8a;--color-gold: #bd8b2e;--color-code: #25364a;--shadow-soft: 0 18px 50px rgba(23, 25, 28, .08);--radius-card: 8px;--max-page: 1120px;--space-page: clamp(20px, 4vw, 44px);font-family:Inter,Noto Sans JP,Hiragino Sans,Yu Gothic,Meiryo,system-ui,sans-serif;background:var(--color-paper);color:var(--color-ink)}*{box-sizing:border-box}body{margin:0;background:linear-gradient(180deg,#315d8a14,#fff0 260px),var(--color-paper);color:var(--color-ink);line-height:1.75}a{color:inherit;text-decoration-color:#2f6d5973;text-underline-offset:.18em}a:hover{color:var(--color-green)}img{display:block;max-width:100%}.site-shell{min-height:100vh}.site-header{border-bottom:1px solid var(--color-line);background:#f6f7f4e0;backdrop-filter:blur(14px);position:sticky;top:0;z-index:20}.header-inner,.page-section,.footer-inner{width:min(100% - (var(--space-page) * 2),var(--max-page));margin-inline:auto}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:70px}.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;text-decoration:none}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:8px;background:var(--color-ink);color:#fff;font-size:.85rem}.nav{display:flex;align-items:center;gap:18px;color:var(--color-muted);font-size:.94rem}.nav a{text-decoration:none}.nav a:hover{color:var(--color-ink)}.main{padding-block:42px 76px}.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.86fr);align-items:center;gap:clamp(28px,5vw,64px)}.eyebrow{color:var(--color-green);font-weight:800;margin:0 0 12px}h1,h2,h3{line-height:1.25;margin:0}h1{font-size:clamp(2.2rem,6vw,4.4rem);max-width:10em}h2{font-size:clamp(1.55rem,3vw,2.45rem)}h3{font-size:1.1rem}p{margin:0}.lead{color:var(--color-muted);font-size:1.08rem;max-width:44rem;margin-top:20px}.hero-actions,.button-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 16px;border:1px solid var(--color-ink);border-radius:8px;text-decoration:none;font-weight:800;background:var(--color-ink);color:#fff}.button.secondary{background:transparent;color:var(--color-ink)}.visual-panel{border:1px solid var(--color-line);border-radius:var(--radius-card);background:var(--color-surface);box-shadow:var(--shadow-soft);overflow:hidden}.visual-panel img{width:100%;aspect-ratio:4 / 3;object-fit:cover}.metric-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;border:1px solid var(--color-line);border-radius:var(--radius-card);overflow:hidden;background:var(--color-line);margin-top:48px}.metric{background:var(--color-surface);padding:18px}.metric strong{display:block;font-size:1.45rem}.metric span{color:var(--color-muted);font-size:.9rem}.band{padding-block:56px;border-top:1px solid var(--color-line)}.section-heading{display:grid;grid-template-columns:minmax(0,.72fr) minmax(260px,1fr);gap:28px;align-items:end;margin-bottom:28px}.section-heading p{color:var(--color-muted)}.article-list,.program-list,.tool-list{display:grid;gap:14px}.article-item,.program-item,.tool-item,.notice{border:1px solid var(--color-line);border-radius:var(--radius-card);background:var(--color-surface);padding:20px}.article-item{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px;align-items:center}.article-item a{font-size:1.12rem;font-weight:800;text-decoration:none}.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.tag,.status{display:inline-flex;align-items:center;min-height:26px;padding:2px 9px;border-radius:999px;font-size:.78rem;font-weight:800}.tag{background:#315d8a1c;color:var(--color-blue)}.status{background:#2f6d591f;color:var(--color-green)}.program-item{display:grid;grid-template-columns:140px minmax(0,1fr) 120px;gap:16px}.program-item strong{color:var(--color-blue)}.program-item p,.tool-item p,.article-item p{color:var(--color-muted)}.prose{width:min(100% - (var(--space-page) * 2),780px);margin-inline:auto}.prose h1{max-width:none;margin-bottom:18px}.prose h2{margin-top:44px;margin-bottom:14px}.prose h3{margin-top:28px;margin-bottom:8px}.prose p,.prose ul,.prose ol,.prose table,.prose blockquote{margin-top:16px}.prose table{width:100%;border-collapse:collapse;font-size:.94rem}.prose th,.prose td{border:1px solid var(--color-line);padding:10px;vertical-align:top}.prose th{background:#315d8a14;text-align:left}.disclosure{border:1px solid rgba(180,79,63,.35);border-left:5px solid var(--color-red);border-radius:var(--radius-card);background:#fffaf8;padding:16px;color:#593028;margin:24px 0}.article-meta{color:var(--color-muted);margin-bottom:20px}.site-footer{border-top:1px solid var(--color-line);padding-block:28px;color:var(--color-muted)}.footer-inner{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:.9rem}@media(max-width:820px){.header-inner{align-items:flex-start;flex-direction:column;padding-block:14px}.nav{width:100%;overflow-x:auto;padding-bottom:4px}.hero-grid,.section-heading,.article-item,.program-item{grid-template-columns:1fr}.metric-strip{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:520px){.main{padding-top:28px}h1{font-size:2.15rem}.metric-strip{grid-template-columns:1fr}}