:root {
  --ink: #171717;
  --muted: #737373;
  --rule: #7a7a7a;
  --accent: #f12a16;
  --paper: #fff;
  --measure: 1024px;
  --content: 720px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 17px;
  line-height: 1.58;
}
a { color: inherit; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover, a:focus-visible { color: var(--accent); }
.site-shell { width: min(calc(100% - 42px), var(--measure)); margin: 0 auto; }
.masthead { padding-top: 14px; }
.masthead a { display: block; text-decoration: none; }
.masthead img { display: block; width: min(100%, 1024px); height: auto; }
.nav-wrap { margin-top: 26px; }
.nav-toggle { display: none; border: 1px solid #aaa; background: #fff; padding: .55rem .8rem; font: inherit; }
.site-nav ul { margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0 26px; list-style: none; }
.site-nav a { display: block; padding: 6px 0; text-decoration: none; }
.site-nav a[aria-current="page"] { font-weight: 700; }
main { padding-top: 22px; }
.page-title {
  margin: 0;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: clamp(2.6rem, 6vw, 3.35rem);
  line-height: 1.05;
  font-weight: 400;
  letter-spacing: -.025em;
}
.rule { border: 0; border-top: 2px solid var(--rule); margin: 24px 0 42px; }
.content { width: min(100%, var(--content)); margin: 0 auto; }
.content p { margin: 0 0 1.38rem; }
.content h2 { margin: 2.1rem 0 .55rem; font-family: Georgia, 'Times New Roman', serif; font-size: 1.55rem; font-weight: 400; }
.content h3 { margin: 1.7rem 0 .4rem; font-size: 1.05rem; }
.content ul { padding-left: 1.25rem; margin: .35rem 0 1.2rem; }
.lead-layout { display: grid; grid-template-columns: 275px 1fr; gap: 28px; align-items: start; }
.cover { width: 100%; height: auto; border: 1px solid #f18a8a; }
.intro-copy p:first-child { margin-top: 0; }
.clear-text { margin-top: 1rem; }
.index-list { list-style: none; padding: 0 !important; }
.index-list > li { margin-bottom: 1.2rem; }
.index-list ul { list-style: disc; }
.part { margin-top: 2.2rem; font-weight: 700; text-transform: uppercase; }
.resource-list { list-style: none; padding: 0 !important; }
.resource-list li { padding: .38rem 0; border-bottom: 1px solid #e6e6e6; }
.author { display: grid; grid-template-columns: 150px 1fr; gap: 24px; align-items: start; margin-bottom: 2.3rem; }
.author-card { width: 150px; aspect-ratio: 1/1; border: 1px solid #ccc; display: grid; place-items: center; background: #f7f7f7; font-family: Georgia, serif; font-size: 2.6rem; color: #555; }
.notice { border-left: 3px solid var(--accent); padding-left: 1rem; }
footer { width: min(100%, 760px); margin: 70px auto 32px; font-size: .96rem; }
footer p { margin: 0; }
.back-top { position: fixed; right: 18px; bottom: 18px; width: 42px; height: 42px; border: 1px solid #bbb; background: rgba(255,255,255,.94); font-size: 1.25rem; cursor: pointer; display: none; }
.back-top.visible { display: block; }
@media (max-width: 760px) {
  body { font-size: 16px; }
  .site-shell { width: min(calc(100% - 28px), var(--measure)); }
  .nav-wrap { margin-top: 16px; }
  .nav-toggle { display: inline-block; }
  .site-nav { display: none; }
  .site-nav.open { display: block; }
  .site-nav ul { display: block; padding-top: .5rem; }
  .site-nav li { border-bottom: 1px solid #e9e9e9; }
  .site-nav a { padding: .72rem 0; }
  main { padding-top: 18px; }
  .rule { margin-bottom: 28px; }
  .lead-layout, .author { grid-template-columns: 1fr; }
  .cover { width: min(280px, 100%); margin: 0 auto; display: block; }
  .author-card { width: 120px; }
  footer { width: min(calc(100% - 28px), 760px); }
}
@media print {
  .nav-wrap, .back-top { display: none !important; }
  .site-shell { width: 100%; }
}