:root{font-family:system-ui,sans-serif;color:#163b3a;background:#f5f8f6}body{margin:0}main{max-width:850px;margin:8vh auto;padding:28px}.tag{letter-spacing:.18em;color:#247a73;font-size:12px;font-weight:700}h1{font-size:clamp(34px,5vw,60px);letter-spacing:-.045em;line-height:1.1}p{font-size:18px;line-height:1.7;max-width:720px}.card{border:1px solid #cde1d8;border-radius:20px;padding:24px;margin:35px 0;background:white}.card p{font-size:16px}nav{display:flex;gap:24px}a{color:#146c63}.note{font-size:13px;color:#55716b}a:focus-visible{outline:3px solid #41bba7;outline-offset:5px}