:root{color-scheme:light;--ink:#0b1f33;--muted:#4b5d6b;--teal:#007b8d;--line:#d9e7ed;--paper:#fff;--bg:#f6fbff}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.7}a{color:var(--teal);text-underline-offset:4px}a:hover{text-decoration-thickness:2px}a:focus-visible{outline:3px solid #007b8d;outline-offset:5px;border-radius:3px}img{max-width:100%;height:auto}h1,h2{line-height:1.15;letter-spacing:-.035em}h1{font-size:clamp(2.25rem,4.3vw,3.65rem);font-weight:800;margin:0;max-width:1000px}h2{font-size:1.7rem;margin:2.5rem 0 1rem;font-weight:750;scroll-margin-top:28px}p{margin:0 0 1.25rem}.container{width:min(1120px,calc(100% - 48px));margin-inline:auto}.site-header{background:rgba(255,255,255,.95);border-bottom:1px solid var(--line)}.header-inner{width:min(1200px,calc(100% - 48px));margin:auto;min-height:96px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;flex-shrink:0}.brand img{width:195px;height:65px}.site-header nav{display:flex;align-items:center;gap:26px;font-size:.93rem;font-weight:700}.site-header nav>a:not(.button){text-decoration:none}.button{display:inline-flex;justify-content:center;align-items:center;background:#04d9eb;color:#052536;border:1px solid #04bdce;border-radius:999px;padding:12px 22px;font-weight:750;font-size:.9rem;line-height:1.4;text-decoration:none;text-align:center}.button:hover{background:#22e1ef}.breadcrumbs{margin:28px 0 38px;font-size:.8rem;color:var(--muted)}.breadcrumbs ol{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px}.breadcrumbs li+li:before{content:"/";margin-right:8px;color:#7a8e9b}.breadcrumbs a{color:var(--muted)}.eyebrow{text-transform:uppercase;letter-spacing:.15em;font-size:.75rem;font-weight:800;color:var(--teal);margin-bottom:16px}.article-header{padding-bottom:36px;border-bottom:1px solid var(--line);margin-bottom:40px}.article-meta{display:flex;flex-wrap:wrap;gap:10px;color:var(--muted);font-size:.85rem;margin:24px 0 0}.article-meta a{font-weight:650}.article-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:50px;align-items:start}.contents{position:sticky;top:24px;background:#eaf6fa;border:1px solid var(--line);border-radius:18px;padding:22px;font-size:.81rem;line-height:1.55}.contents-label{font-weight:800;color:var(--ink);margin:0 0 14px}.contents ol{padding-left:18px;margin:0}.contents li{padding-left:3px;margin-bottom:11px}.contents li:last-child{margin-bottom:0}.contents a{text-decoration:none;color:#365362}.contents a:hover{text-decoration:underline;color:var(--teal)}.article-body{min-width:0;background:var(--paper);border:1px solid var(--line);border-radius:24px;padding:36px 42px;font-size:1.0625rem;box-shadow:0 12px 42px rgba(7,36,58,.035)}.article-body .approved-copy>p:first-child{font-size:1.16rem;line-height:1.75;color:#183e52}.article-body ul,.article-body ol{padding-left:26px;margin:0 0 1.5rem}.article-body li{margin:10px 0}.article-body a{font-weight:550;overflow-wrap:anywhere}.related{background:#edf9fa;border-left:4px solid #04bdce;border-radius:0 12px 12px 0;margin-top:40px;padding:24px}.related .eyebrow{margin-bottom:10px}.related>a{font-size:1.15rem;line-height:1.45;display:block;font-weight:750}.back-link{font-size:.9rem;margin:28px 0 0}.site-footer{margin-top:80px;padding:42px 0;border-top:1px solid var(--line);font-size:.78rem;color:var(--muted);text-align:center}.site-footer nav{display:flex;gap:12px 24px;justify-content:center;flex-wrap:wrap;margin-bottom:24px}.site-footer p{max-width:800px;margin:0 auto}.index-header{max-width:820px;margin:50px 0}.index-header>p:last-child{font-size:1.2rem;max-width:650px;margin-top:24px;color:var(--muted)}.guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.guide-card{background:white;border:1px solid var(--line);border-radius:24px;padding:36px;display:flex;flex-direction:column;box-shadow:0 12px 40px rgba(7,36,58,.04)}.guide-card h2{margin:0 0 20px;font-size:1.85rem;line-height:1.2}.guide-card h2 a{color:var(--ink);text-decoration:none}.guide-card h2 a:hover{color:var(--teal);text-decoration:underline}.guide-card>p:not(.eyebrow){color:var(--muted)}.card-meta{font-size:.8rem;margin-top:auto}.read-link{font-weight:750}.walkthrough{margin-top:40px;padding:32px 36px;border-radius:24px;background:#e5f7fb;border:1px solid #bfebf1;display:flex;align-items:center;justify-content:space-between;gap:30px}.walkthrough h2{font-size:1.5rem;margin:0 0 12px}.walkthrough p{margin:0;color:var(--muted);max-width:640px}.walkthrough .button{flex-shrink:0}.skip-link{position:absolute;left:20px;top:-100px;background:#fff;padding:12px;z-index:10}.skip-link:focus{top:12px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:900px){.article-layout{grid-template-columns:1fr;gap:28px}.contents{position:static}.contents ol{columns:2;column-gap:30px}.contents li{break-inside:avoid}.walkthrough{display:block}.walkthrough .button{margin-top:22px}.article-header{margin-bottom:28px}}
@media(max-width:600px){.container,.header-inner{width:calc(100% - 32px)}.header-inner{min-height:85px;flex-wrap:wrap;gap:8px;padding:12px 0}.brand img{width:156px;height:52px}.site-header nav{gap:16px;font-size:.82rem;flex-wrap:wrap}.site-header nav .button{font-size:.75rem;padding:10px 13px}.breadcrumbs{margin:22px 0 28px;font-size:.74rem}.article-header{padding-bottom:26px}.article-meta{font-size:.78rem;gap:7px;margin-top:20px}.contents{padding:20px}.contents ol{columns:1}.article-body{padding:24px 20px;font-size:1rem;border-radius:18px}.article-body .approved-copy>p:first-child{font-size:1.06rem}h2{font-size:1.45rem;margin-top:2rem}.related{padding:20px}.site-footer{margin-top:48px;padding:32px 0}.guide-grid{grid-template-columns:1fr;gap:22px}.guide-card{padding:26px}.guide-card h2{font-size:1.65rem}.index-header{margin:32px 0}.index-header>p:last-child{font-size:1.06rem}.walkthrough{padding:26px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}