body{font:16px/1.65 system-ui,sans-serif;color:#17251d;max-width:760px;margin:auto;padding:40px 22px}a{color:#14633e}h1,h2{line-height:1.2}small{color:#647269}.notice{background:#eef7f1;padding:16px;border-radius:10px}nav{margin-bottom:36px}footer{border-top:1px solid #ddd;margin-top:40px;padding-top:20px}