:root{--ink:#102d43;--muted:#506a78;--accent:#137c89;--pale:#eaf5f6;--line:#d8e5ec;--paper:#fff;--bg:#f6f9fb}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.7 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:#086c7c;text-underline-offset:3px}a:hover{color:#064e59}.wrap{width:min(1120px,calc(100% - 40px));margin:auto}.skip{position:absolute;left:-9999px;top:10px}.skip:focus{left:12px;background:#fff;padding:8px;z-index:10}.mast{background:#102d43;color:#fff}.mast-inner{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:20px}.mast a{color:#fff;text-decoration:none}.brand{font-size:1.2rem;font-weight:800;letter-spacing:-.03em}.brand span{color:#73e4d5}.mast nav{display:flex;gap:24px;font-size:.92rem}.mast nav a:hover{text-decoration:underline}.intro{padding:74px 0 44px;max-width:820px}.intro h1,.article-layout h1{font-size:clamp(2.1rem,4.7vw,3.8rem);letter-spacing:-.055em;line-height:1.1;margin:10px 0 22px}.intro>p:not(.eyebrow){font-size:1.12rem;color:var(--muted)}.eyebrow{text-transform:uppercase;letter-spacing:.11em;font-size:.76rem;font-weight:800;color:var(--accent)}.notice{background:var(--pale);border-left:5px solid var(--accent);padding:16px 20px;border-radius:8px;color:#234f5b;margin:24px 0}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;padding:12px 0 48px}.card{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:0 8px 30px #102d430b}.card h2{line-height:1.2;letter-spacing:-.035em;font-size:1.45rem}.card h2 a{color:var(--ink);text-decoration:none}.card h2 a:hover{text-decoration:underline}.card p:not(.eyebrow){color:var(--muted)}.text-link{font-weight:700}.button{display:inline-flex;align-items:center;background:var(--accent);color:white;text-decoration:none;border-radius:9px;padding:11px 17px;font-weight:750}.button:hover{background:#09616d;color:white}.action{background:#102d43;color:white;border-radius:22px;padding:32px 36px;margin-bottom:56px}.action p{color:#c9dbe1}.article-layout{max-width:920px;padding:46px 0 65px}.article-layout article{background:#fff;padding:clamp(22px,5vw,58px);border:1px solid var(--line);border-radius:20px}.article-layout h1{font-size:clamp(2.05rem,4.2vw,3.25rem)}.article-layout h2{font-size:clamp(1.45rem,2.5vw,2rem);line-height:1.24;letter-spacing:-.035em;margin:54px 0 14px;scroll-margin-top:25px}.article-layout p{margin:0 0 18px}.article-layout .meta{color:var(--muted);font-size:.88rem}.toc{background:#f3f8f9;border:1px solid var(--line);border-radius:14px;padding:22px 25px;margin:34px 0}.toc ol{columns:2;gap:38px;padding-left:24px;margin:12px 0 0}.toc li{break-inside:avoid;margin:0 0 9px}.toc a{text-decoration:none}.toc a:hover{text-decoration:underline}figure{margin:30px 0 34px}figure img{display:block;width:100%;height:auto;border-radius:16px}figcaption{font-size:.83rem;color:var(--muted);margin-top:7px}.end-cta{margin-top:35px!important}.footer{background:#e8f0f3;color:#345563;padding:28px 0;font-size:.84rem}.footer p{margin:3px 0}@media(max-width:700px){.wrap{width:min(100% - 28px,1120px)}.mast-inner{align-items:flex-start;flex-direction:column;justify-content:center;padding:14px 0;gap:4px}.mast nav{gap:16px;flex-wrap:wrap}.intro{padding-top:46px}.cards{grid-template-columns:1fr}.card{padding:23px}.toc ol{columns:1}.article-layout{padding-top:20px}.article-layout article{border-radius:14px}.action{padding:25px}}

.article-layout h3{font-size:1.27rem;line-height:1.35;margin:30px 0 12px;color:#123d56;scroll-margin-top:25px}.article-layout h4{font-size:1.08rem;line-height:1.4;margin:23px 0 9px;color:#185568;scroll-margin-top:25px}