:root {
  color-scheme: light;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #242526;
  background: #faf7f1;
}

* { box-sizing: border-box; }
body { margin: 0; }
.shell { max-width: 800px; margin: 0 auto; padding: 0 24px; }
.masthead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 26px 0 23px;
  border-bottom: 1px solid #e1ddd5;
}
.brand { display: inline-flex; align-items: center; line-height: 0; }
.brand img { display: block; width: 116px; height: auto; }
.masthead nav { display: flex; gap: 22px; flex-wrap: wrap; }
.masthead nav a, footer a { color: #555; text-decoration: none; }
.masthead nav a:hover, footer a:hover { text-decoration: underline; }
.masthead nav a[aria-current="page"] { color: #222; font-weight: 600; }
main { max-width: 720px; padding: 48px 0 78px; }
h1 { font-size: clamp(34px, 5vw, 44px); line-height: 1.2; letter-spacing: -.035em; margin: 0 0 12px; }
h2 { font-size: 22px; line-height: 1.3; letter-spacing: -.02em; margin: 38px 0 14px; }
p, li { font-size: 16px; line-height: 1.7; color: #3d3d3d; }
p { margin: 0 0 16px; }
li { margin: 7px 0; }
ul { padding-left: 23px; }
.meta { color: #6c6c6c; font-size: 14px; margin-bottom: 29px; }
.lede { font-size: 17px; line-height: 1.65; }
.notice { background: #f2ede4; padding: 19px 22px; margin: 28px 0; }
.notice p { margin: 0; }
.toc { border-top: 1px solid #e1ddd5; border-bottom: 1px solid #e1ddd5; padding: 18px 0; margin: 28px 0 36px; }
.toc p { font-weight: 600; font-size: 15px; margin-bottom: 7px; }
.toc ul { columns: 2; margin: 0; }
.toc li { font-size: 15px; margin: 3px 0; }
.toc a, article a { color: #ae472e; }
.home-list { border-top: 1px solid #e1ddd5; margin-top: 34px; }
.home-list a { display: block; border-bottom: 1px solid #e1ddd5; padding: 19px 0; font-size: 19px; color: #242526; text-decoration: none; }
.home-list a:hover { color: #ae472e; }
.home-list span { display: block; font-size: 14px; line-height: 1.5; color: #676767; margin-top: 3px; }
footer { border-top: 1px solid #e1ddd5; padding: 24px 0 32px; color: #6c6c6c; font-size: 13px; }
code { font-size: .9em; }
@media (max-width: 580px) {
  .shell { padding: 0 19px; }
  .masthead { align-items: flex-start; flex-direction: column; gap: 18px; }
  .masthead nav { gap: 18px; }
  main { padding-top: 37px; }
  .toc ul { columns: 1; }
}
