:root{
  --max-width:800px;
}

*,
*::before,
*::after{
  box-sizing:border-box;
}

html{
  -webkit-text-size-adjust:100%;
}

body{
  margin:0;
  background:#FFFFFF;
  color:#000000;
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  line-height:1.6;
}

a{
  color:#000000;
  text-decoration:underline;
  text-underline-offset:3px;
}

a:focus-visible{
  outline:2px solid #000000;
  outline-offset:2px;
}

.wrap{
  max-width:var(--max-width);
  margin:0 auto;
  padding:16px;
}

.site-header{
  border-bottom:1px solid #000000;
}

.nav{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:12px 0;
}

.brand{
  font-weight:700;
  text-decoration:none;
}

.nav-links{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

.nav-links a{
  text-decoration:underline;
}

main{
  padding:20px 0;
}

h1{
  font-size:28px;
  line-height:1.2;
  margin:0 0 6px;
}

.updated{
  margin:0 0 18px;
  font-size:13px;
}

h2{
  font-size:18px;
  line-height:1.3;
  margin:22px 0 8px;
}

p{
  margin:0 0 12px;
}

ul,
ol{
  margin:0 0 12px;
  padding-left:20px;
}

li{
  margin:6px 0;
}

hr{
  border:0;
  border-top:1px solid #000000;
  margin:20px 0;
}

footer{
  border-top:1px solid #000000;
  margin-top:24px;
}

.footer{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-start;
  justify-content:space-between;
  gap:12px;
  padding:12px 0;
  font-size:13px;
}

.footer a{
  margin-right:10px;
}

@media (max-width:480px){
  .wrap{
    padding:12px;
  }

  h1{
    font-size:24px;
  }
}