*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f5faff;color:#183650;font:16px/1.7 Arial,Helvetica,sans-serif}a{color:#0879c9;text-decoration:none}a:hover{text-decoration:underline}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #0879c9;outline-offset:4px}
.container{width:min(1120px,calc(100% - 32px));margin:auto}.header{position:relative;z-index:20;background:white;border-bottom:1px solid #dcecf7}.header-inner{min-height:84px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand img{display:block;width:250px;max-width:100%}.nav{display:flex;gap:24px;align-items:center;font-size:15px;font-weight:700}.nav a{color:#0b3764}.menu-btn{display:none}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:10px 22px;border-radius:12px;background:#0879c9;color:white;font-weight:700}.header .btn{display:none}.icon{width:22px;height:22px}
.breadcrumbs{display:flex;flex-wrap:wrap;gap:10px;padding-top:28px;font-size:14px;color:#60778c}.hero{padding:36px 0 48px}.eyebrow{color:#0879c9;font-size:14px;letter-spacing:.1em;text-transform:uppercase;font-weight:700}h1{font-size:clamp(34px,6vw,60px);line-height:1.12;letter-spacing:-.04em;color:#0b3764;margin:12px 0 24px}.intro{max-width:790px;color:#536d82;font-size:19px}.hero .btn{margin-top:12px}.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px;align-items:start;padding-bottom:56px}.content{min-width:0}.panel{padding:30px;border:1px solid #dcecf7;border-radius:20px;background:#fff;margin-bottom:22px}h2{font-size:26px;line-height:1.3;color:#0b3764;margin:0 0 16px}p{margin:0 0 16px}p:last-child{margin-bottom:0}li{margin:10px 0}ul{padding-left:22px}.sidebar{background:#e8f4fd;border-radius:20px;padding:24px}.sidebar h2{font-size:20px}.sidebar a{display:block;padding:12px 0;border-bottom:1px solid #c9e1f1}.sidebar a[aria-current]{font-weight:700;color:#0b3764}.notice{border-left:4px solid #0879c9;padding:16px 20px;background:#eaf6ff;border-radius:8px;margin:22px 0}summary{font-weight:700;cursor:pointer}details p{margin:16px 0 0}.sources{font-size:14px;color:#60778c}.footer{padding:26px 0;border-top:1px solid #dcecf7;background:#fff}.footer .container{display:flex;gap:20px;justify-content:space-between;flex-wrap:wrap;font-size:14px}
@media(max-width:900px){.layout{grid-template-columns:1fr}.nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;padding:16px;align-items:stretch;flex-direction:column;gap:8px;border-bottom:1px solid #dcecf7}.nav.open{display:flex}.nav>a{padding:12px}.menu-btn{display:grid;place-items:center;width:44px;height:44px;border:0;border-radius:10px;background:#eaf6ff;color:#0b3764}.brand img{width:220px}}
@media(max-width:560px){.brand img{width:195px}.panel{padding:22px}.hero{padding-top:24px}.intro{font-size:17px}.hero .btn{width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}