*{box-sizing:border-box}:root{--paper: #fffdf8;--soft: #f5efe6;--ink: #221f1c;--muted: #6f675f;--line: #e7ded2;--blue: #244a64;--red: #9b3a3a}html{font-size:18px}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Hiragino Sans,Noto Sans JP,sans-serif;color:var(--ink);background:var(--paper);line-height:1.85}a{color:#1f5f8b;text-decoration-thickness:.08em;text-underline-offset:.18em}.site-header{position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(231,222,210,.9);background:#fffdf8eb;backdrop-filter:blur(14px)}.nav{max-width:1180px;margin:0 auto;padding:18px 28px;display:flex;align-items:center;justify-content:space-between;gap:18px}.logo{color:var(--ink);font-weight:900;text-decoration:none;letter-spacing:0;font-size:1.08rem}.nav-links,.footer-nav{display:flex;flex-wrap:wrap;gap:10px 18px;list-style:none;padding:0;margin:0}.nav-links a,.footer-nav a{color:#333;font-weight:700;text-decoration:none}.nav-links a:hover,.footer-nav a:hover{text-decoration:underline}main>:not(.full-bleed){max-width:1040px;margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px}main>article:not(.full-bleed){max-width:780px}main>:first-child:not(.full-bleed){padding-top:64px}main>:last-child:not(.full-bleed){padding-bottom:80px}.site-footer{border-top:1px solid var(--line);padding:36px 24px;color:var(--muted);text-align:center;background:#fff8ef}.footer-nav{justify-content:center;margin-bottom:8px}.footer-links{display:flex;flex-wrap:wrap;gap:10px 18px;list-style:none;padding:0;margin:0 0 12px;justify-content:center}.footer-links a{color:var(--muted);font-size:.85rem;text-decoration:none}.footer-links a:hover{text-decoration:underline}h1{font-size:clamp(2.05rem,5vw,3.4rem);line-height:1.28;letter-spacing:0;margin:0 0 22px}h2{font-size:clamp(1.45rem,3vw,2rem);line-height:1.4;letter-spacing:0;margin:54px 0 18px}h3{font-size:1.16rem;line-height:1.45;margin:0 0 8px}p{margin:0 0 18px}.lead{font-size:clamp(1.15rem,2.5vw,1.45rem);line-height:1.75;color:#333}.section-note{color:#666;font-size:.98rem}.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin:28px 0}.card{display:block;border:1px solid var(--line);border-radius:8px;padding:24px;color:inherit;background:#fff;text-decoration:none;box-shadow:0 12px 34px #3124180f}.card:hover{border-color:#c7b7a3;box-shadow:0 18px 42px #3124181f;transform:translateY(-2px)}.card small,.meta{display:block;color:#6b6b6b;font-size:.9rem}.article-list{list-style:none;padding:0;margin:28px 0 0;display:grid;gap:14px}.article-list a{display:block;border:1px solid var(--line);border-radius:8px;padding:20px;color:inherit;text-decoration:none;background:#fff;box-shadow:0 8px 24px #3124180a}.article-list a:hover{border-color:#9fb9cc}.article-title{font-weight:800;font-size:1.1rem;margin-bottom:6px}.article-desc{color:#555}.cta-box{margin-top:44px;padding:28px;border:1px solid #d7e4ec;border-radius:8px;background:#f7fbfd}.button-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}.button{display:inline-block;border-radius:8px;padding:12px 18px;background:var(--blue);color:#fff;font-weight:800;text-decoration:none}.button.secondary{background:#f1f1f1;color:#242424}.content{max-width:720px;margin-left:auto;margin-right:auto}.content img{display:block;width:100%;max-width:720px;height:auto;margin:1.8rem auto;border-radius:8px;box-shadow:0 14px 36px #3124181f}.content p:has(>img:only-child){margin:1.8rem 0}.content p{margin-bottom:1.35rem}.content h2{border-top:1px solid #e8e8e8;padding-top:34px}.content blockquote{margin:28px 0;padding:18px 22px;border-left:5px solid #d7e4ec;background:#f7fbfd}@media(max-width:820px){html{font-size:17px}.site-header{position:static}.nav{align-items:flex-start;flex-direction:column;gap:8px;padding:12px 18px 10px}.logo{font-size:.96rem;line-height:1.2}.nav-links{width:100%;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px 10px}.nav-links a{display:block;padding:3px 0;font-size:.82rem;line-height:1.25;text-align:center;white-space:nowrap}.card-grid{grid-template-columns:1fr}main>:not(.full-bleed){padding-left:18px;padding-right:18px}}