html {
  background: #fff;
  color: #111;
  font-family: "Times New Roman", Times, serif;
  font-size: 18px;
}

body {
  margin: 0;
}

a {
  color: #00e;
  text-decoration: underline;
}

a:visited {
  color: #551a8b;
}

.site {
  width: min(720px, calc(100vw - 32px));
  margin: 32px 0 64px clamp(16px, 6vw, 88px);
}

.top-nav {
  margin-bottom: 28px;
  font-size: 16px;
}

h1,
h2,
h3,
p,
ul,
ol,
blockquote,
pre {
  margin-top: 0;
}

h1 {
  margin-bottom: 22px;
  font-size: 32px;
  font-weight: normal;
  line-height: 1.15;
}

h2 {
  margin: 28px 0 10px;
  font-size: 22px;
  font-weight: normal;
}

p,
li {
  line-height: 1.45;
}

.home p,
.page-header p {
  max-width: 62ch;
}

.directory-list,
.item-list,
.simple-list {
  padding-left: 22px;
}

.directory-list li {
  margin: 7px 0;
  font-size: 22px;
}

.item-list {
  list-style: none;
  padding-left: 0;
}

.item-list li {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 12px;
  margin: 8px 0;
}

.item-list time {
  color: #555;
  font-size: 15px;
  font-variant-numeric: tabular-nums;
}

.item-list small,
.simple-list small {
  display: block;
  color: #555;
  font-size: 15px;
  line-height: 1.35;
}

.page-header {
  margin-bottom: 24px;
}

.reading-header {
  margin-bottom: 28px;
}

.reading-header h1 {
  margin-bottom: 6px;
}

.reading-header p,
.empty {
  color: #555;
}

.reading-body {
  max-width: 68ch;
}

.reading-body h2,
.reading-body h3 {
  font-weight: normal;
}

.reading-body blockquote {
  margin-left: 0;
  padding-left: 18px;
  border-left: 1px solid #aaa;
  color: #444;
}

.reading-body pre {
  overflow-x: auto;
  padding: 12px;
  border: 1px solid #ccc;
}

.back-link {
  display: inline-block;
  margin-bottom: 20px;
  font-size: 16px;
}

.group {
  margin-top: 26px;
}

@media (max-width: 520px) {
  html {
    font-size: 17px;
  }

  .site {
    margin-top: 24px;
    margin-left: 14px;
  }

  .item-list li {
    grid-template-columns: 70px minmax(0, 1fr);
    gap: 10px;
  }
}