body{margin:0;background:#f3f1e8;color:#222;font:18px/1.65 system-ui,sans-serif}header,main,footer{max-width:1100px;margin:auto;padding:2rem 1.5rem}header{border-bottom:3px solid #273aaf}a{color:#273aaf;text-underline-offset:.2em}a:focus-visible{outline:3px solid #e7763b;outline-offset:4px}h1{font-size:clamp(2.5rem,7vw,5rem);line-height:1.05;letter-spacing:-.045em}h2{font-size:1.65rem}nav ul{display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;list-style:none;padding:0}.guide-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.75rem 2rem;padding-left:1.25rem}.guide-list li{padding:.25rem}section{border-top:1px solid #aaa;padding:1rem 0 2rem}footer{font-size:.95rem}@media(max-width:650px){.guide-list{grid-template-columns:1fr}header,main,footer{padding:1.5rem 1rem}}