:root{
  --bg:#fdfcf8;
  --ink:#1c1c1e;
  --navy:#12294d;
  --navy-soft:#e8edf5;
  --line:#d9d2bd;
  --btn-bg:#141414;
  --btn-ink:#ffffff;
  --focus:#8a5a00;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:Arial,Helvetica,sans-serif;
  font-size:18px;
  line-height:1.6;
}
.wrap{max-width:880px;margin:0 auto;padding:0 20px}
a{color:var(--navy)}
a:focus-visible,.btn:focus-visible{
  outline:3px solid var(--focus);
  outline-offset:3px;
  border-radius:4px;
}
.skip-link{
  position:absolute;
  left:-9999px;
  top:0;
  background:var(--btn-bg);
  color:var(--btn-ink);
  padding:12px 20px;
  border-radius:0 0 12px 0;
  z-index:10;
}
.skip-link:focus{left:0;color:var(--btn-ink)}
.site-header{
  background:var(--navy);
  color:#ffffff;
  padding:56px 0 44px;
}
.site-header .brand{
  margin:0 0 10px;
  font-size:15px;
  letter-spacing:2px;
  text-transform:uppercase;
  color:#f2c14e;
  font-weight:bold;
}
.site-header h1{
  margin:0 0 16px;
  font-size:40px;
  line-height:1.2;
}
.site-header .lede{
  margin:0 0 26px;
  font-size:20px;
  max-width:640px;
}
.btn{
  display:inline-block;
  background:var(--btn-bg);
  color:var(--btn-ink);
  padding:14px 28px;
  border-radius:999px;
  text-decoration:none;
  font-weight:bold;
  font-size:17px;
  border:2px solid var(--btn-bg);
}
.site-header .btn{
  background:#f2c14e;
  border-color:#f2c14e;
  color:#141414;
}
.btn:hover{text-decoration:none;opacity:.88}
.toc{
  background:var(--navy-soft);
  border-bottom:1px solid var(--line);
}
.toc ul{
  list-style:none;
  margin:0;
  padding:12px 0;
  display:flex;
  flex-wrap:wrap;
  gap:6px 22px;
}
.toc a{
  color:var(--navy);
  font-weight:bold;
  font-size:16px;
  text-decoration:none;
}
.toc a:hover{text-decoration:underline}
main{padding:36px 20px 8px}
section{margin-bottom:44px}
h2{
  color:var(--navy);
  font-size:29px;
  line-height:1.3;
  margin:0 0 12px;
  padding-bottom:8px;
  border-bottom:3px solid #f2c14e;
}
h3{
  color:var(--navy);
  font-size:22px;
  margin:30px 0 8px;
}
p{margin:0 0 14px}
ul{margin:0 0 10px;padding-left:24px}
li{margin-bottom:8px}
ul.checklist{list-style:none;padding-left:0}
ul.checklist li{
  position:relative;
  padding-left:34px;
}
ul.checklist li::before{
  content:"☐";
  position:absolute;
  left:2px;
  top:0;
  color:var(--navy);
  font-size:20px;
  line-height:1.5;
}
.site-footer{
  border-top:1px solid var(--line);
  padding:26px 0 34px;
  margin-top:10px;
}
.site-footer .credit{
  display:flex;
  align-items:center;
  gap:10px;
  margin:0;
  font-size:16px;
}
.site-footer img{border-radius:50%}
@media (max-width:480px){
  body{font-size:17px}
  .site-header{padding:40px 0 32px}
  .site-header h1{font-size:31px}
  .site-header .lede{font-size:18px}
  h2{font-size:25px}
  .btn{display:inline-block;width:auto}
}