.embedded-image {
  margin: 12px 0 4px;
}

.embedded-image img {
  display: block;
  width: auto;
  max-width: min(400px, 100%);
  height: auto;
  border-radius: 10px;
  background: #f2f2f2;
}

.external-link {
  overflow-wrap: anywhere;
}

.chapter-navigation {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 10px 0 60px;
}

.chapter-navigation > div:last-child {
  text-align: right;
}

.chapter-navigation a {
  display: inline-flex;
  max-width: 100%;
  flex-direction: column;
  gap: 3px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper);
}

.chapter-navigation span {
  color: var(--muted);
  font-size: .82rem;
}

.chapter-navigation strong {
  overflow-wrap: anywhere;
}

.community-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 28px;
}

.community-list article:nth-child(2) {
  border-top: 0;
}

.community-list h3 {
  margin: .35em 0;
  font-size: 1.05rem;
  line-height: 1.55;
}

@media (max-width: 640px) {
  .chapter-navigation {
    grid-template-columns: 1fr;
  }

  .community-list {
    grid-template-columns: 1fr;
  }

  .community-list article:nth-child(2) {
    border-top: 1px solid var(--line);
  }
}