:root{--navy:#10232C;--anth:#343840;--off:#F7F8F5;--sea:#39736D;--line:#dce4e1}
*{box-sizing:border-box}
body{margin:0;background:var(--off);color:var(--anth);font-family:"Inter","Segoe UI",Arial,sans-serif;line-height:1.65}
main{width:min(850px,calc(100% - 32px));margin:0 auto;padding:55px 0 100px}
a{color:var(--sea)}
h1{font-size:clamp(38px,6vw,52px);line-height:1.08}
h2{margin-top:42px}
.note{padding:15px 17px;border-radius:14px;background:#fff1c8;color:#795817}
.box{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;margin:20px 0}
nav{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:38px}
:focus-visible{outline:3px solid #72a8a1;outline-offset:3px}