body{margin:0;background:#f8f7f2;color:#183d35;font:18px/1.7 system-ui}header,main{max-width:900px;margin:auto;padding:24px}header{display:flex;justify-content:space-between;gap:16px;font-size:15px}header a{font-size:24px;font-weight:700}a{color:#165c4b;text-underline-offset:4px}h1{font-size:clamp(32px,6vw,52px);line-height:1.15}h2{font-size:25px;margin-top:36px}.intro{font-size:22px}.button{display:inline-block;padding:12px 20px;background:#165c4b;color:white;border-radius:10px;margin:12px 0}aside{background:#e5eee7;padding:24px;border-radius:16px;margin-top:36px}.guide-list li{padding:12px}a:focus-visible{outline:3px solid #bd6900;outline-offset:4px}@media print{header,.button,nav{display:none}body{background:white;color:black}}