@import url("../fonts/ibm-plex.css");

:root{--red:#971e30;--dark:#181b22;--line:#e1e4e9}
*{box-sizing:border-box}
body{margin:0;color:var(--dark);font-family:"IBM Plex Sans",
Arial,sans-serif;line-height:1.7}
header,footer{padding:22px 5%;background:var(--dark);color:white}
header a,footer a{color:white}
main{width:min(850px,92%);margin:45px auto 80px}
h1{font-size:clamp(2rem,5vw,3rem);line-height:1.2}
h2{margin-top:34px;font-size:1.3rem}
a{color:var(--red)}
.notice{border-left:4px solid var(--red);padding:14px 18px;
background:#fff3f4}
nav{display:flex;gap:18px;flex-wrap:wrap}