:root{font-family:"Yu Gothic",Meiryo,sans-serif;color:#183a35;background:#f3f5f1;font-size:16px;line-height:1.9}*{box-sizing:border-box}body{margin:0}header,main,footer{width:min(820px,calc(100% - 40px));margin:auto}header{padding:28px 0;border-bottom:1px solid #cedbd3;display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}a{color:#17684f;text-underline-offset:4px}.brand{font-size:25px;font-weight:bold;text-decoration:none;letter-spacing:-1px}nav{display:flex;gap:20px;flex-wrap:wrap;font-size:14px}main{padding:60px 0}h1{font-size:clamp(26px,5vw,38px);line-height:1.5;margin:0 0 24px}h2{font-size:20px;margin:40px 0 12px}p,li{color:#41574d}small,.eyebrow{color:#5c7265}.eyebrow{font-size:12px;letter-spacing:2px}.lead{font-size:19px}.card{background:#fff;border:1px solid #dce4dc;border-radius:16px;padding:24px;margin:25px 0}.button{display:inline-block;background:#185f48;color:white;padding:12px 24px;border-radius:8px;text-decoration:none}footer{border-top:1px solid #cedbd3;padding:24px 0 40px;font-size:13px}ul,ol{padding-left:24px}@media(max-width:500px){main{padding-top:36px}.card{padding:18px}}