:root{color-scheme:light}*{box-sizing:border-box}body{margin:0;background:#F7F8F4;color:#183A31;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.7}main,header,footer{max-width:760px;margin:auto;padding:28px 24px}header{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #DCE3DA;gap:20px}.brand{font-size:24px;font-weight:750;text-decoration:none}.mark{display:inline-grid;place-items:center;width:42px;height:42px;background:#24654C;color:#F7F8F4;border-radius:12px;margin-right:10px;font-size:28px;line-height:1}nav{display:flex;gap:20px}a{color:#24654C;text-underline-offset:4px}a:focus-visible{outline:3px solid #24654C;outline-offset:4px}h1{font-size:clamp(32px,7vw,46px);line-height:1.15;letter-spacing:-1px;margin:14px 0 20px}h2{font-size:21px;line-height:1.35;margin-top:34px}p,li{font-size:16px}li{margin:8px 0}.intro{font-size:20px}.muted,footer{color:#52665C;font-size:14px}.notice{border-left:3px solid #24654C;padding:12px 18px;background:#E6EEE5}footer{border-top:1px solid #DCE3DA}a{overflow-wrap:anywhere}@media(max-width:420px){header{align-items:flex-start;flex-direction:column;gap:10px}}.eyebrow,.step{font-size:12px;text-transform:uppercase;letter-spacing:2px;font-weight:700;color:#52665c}.landing section{margin-top:48px}h3{font-size:19px;line-height:1.4;margin:15px 0 8px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;border-top:1px solid #dce3da;padding-top:24px}.steps p{font-size:15px}.links{display:flex;flex-wrap:wrap;gap:20px;margin-top:36px}@media(max-width:600px){.steps{grid-template-columns:1fr;gap:16px}.landing section{margin-top:32px}}