.mr-rules .rules-layout {
  display: grid;
  grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
  align-items: start;
  gap: 48px;
  margin-block: 32px;
}
.rules-contents {
  display: block;
  margin: 0;
  width: 100%;
  box-sizing: border-box;
  position: sticky;
  top: 100px;
  max-height: calc(100dvh - 120px);
  overflow-y: auto;
  padding: 24px;
  border: 1px solid var(--line, #d5ddcf);
  border-radius: 18px;
  background: #f0f3e9;
  scroll-margin-top: 110px;
}
.mr-rules .rules-contents h2 {
  margin: 0 0 20px;
  font-size: 24px;
}
.rules-nav-group + .rules-nav-group {
  margin-block-start: 22px;
}
.mr-rules .rules-nav-group h3 {
  margin: 0 0 6px;
  font-size: 15px;
  color: #326345;
}
.rules-nav-group a {
  display: block;
  padding-block: 10px;
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
}
.rules-nav-group a:hover,
.rules-nav-group a:focus-visible,
.rules-back:hover {
  color: #236548;
  text-decoration: underline;
}
.rules-nav-group a:focus-visible,
.rules-back:focus-visible {
  outline: 2px solid #236548;
  outline-offset: 3px;
  border-radius: 3px;
}
.mr-rules .rules-category-title {
  margin: 0 0 16px;
  font-size: 28px;
  color: #326345;
}
.rules-category + .rules-category {
  margin-block-start: 48px;
}
.mr-rules .rules-articles section {
  scroll-margin-top: 110px;
  padding-block: 16px 24px;
}
.mr-rules .rules-articles section:target {
  border-inline-start: 3px solid #64864c;
  padding-inline-start: 18px;
}
.mr-rules .rules-articles h3 {
  font-size: 22px;
  margin: 0 0 16px;
}
/* The desktop contents column is sticky and always visible; the link only helps on phones. */
.rules-back {
  display: none;
  margin-block-start: 8px;
  padding-block: 10px;
  font-size: 13px;
  text-decoration: underline;
}
@media (max-width: 800px) {
  .mr-rules .rules-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }
  .rules-contents {
    position: static;
    max-height: none;
    overflow: visible;
    padding: 20px;
  }
  .mr-rules .rules-category-title {
    font-size: 26px;
  }
  .rules-back {
    display: inline-block;
  }
}