:root{color-scheme:light;--ink:#203d30;--muted:#526559;--paper:#f6f5ed;--line:#d8dfd4}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:system-ui,-apple-system,"Malgun Gothic",sans-serif;line-height:1.8}main{max-width:780px;margin:auto;padding:40px 24px 64px}header{display:flex;gap:12px;align-items:center;margin-bottom:48px}header img{border-radius:18px}header a{font-size:22px;font-weight:800;text-decoration:none}a{color:var(--ink);text-underline-offset:4px;overflow-wrap:anywhere}a:focus-visible{outline:3px solid #436e50;outline-offset:5px}h1{font-size:clamp(30px,6vw,48px);line-height:1.3;letter-spacing:-1.5px}h2{font-size:22px;margin-top:34px;line-height:1.5}p,li{color:var(--muted)}.eyebrow{font-size:12px;font-weight:800;letter-spacing:2px}.intro{font-size:18px;max-width:620px}.card{padding:24px;margin:28px 0;border:1px solid var(--line);border-radius:24px;background:#fff}.email{font-size:clamp(16px,4vw,22px);font-weight:700}footer{border-top:1px solid var(--line);padding-top:20px;margin-top:48px;font-size:14px}.note{font-size:14px}ul{padding-left:24px}nav{display:flex;gap:20px;flex-wrap:wrap}@media(max-width:420px){main{padding:24px 20px 48px}header{margin-bottom:32px}.card{padding:20px}}