.seo-breadcrumb,
.seo-related {
  box-sizing: border-box;
}

/* picture の候補画像はレイアウトを占有しない。 */
picture > source {
  display: none;
}

.seo-breadcrumb {
  width: min(100%, var(--page-width, 1240px));
  margin: 0 auto;
  padding: 20px var(--page-x, 24px) 0;
  color: var(--muted, var(--cocoa-soft, #5b6471));
  font-size: 13px;
  line-height: 1.6;
}

.seo-breadcrumb--contained {
  width: auto;
  margin: 0 0 20px;
  padding: 0;
}

.seo-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.seo-breadcrumb li + li::before {
  margin-right: 12px;
  content: "/";
}

.seo-breadcrumb a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.hero h1 .hero-product,
.case-hero h1 .hero-product {
  display: block;
  margin-bottom: 18px;
  color: var(--ink, var(--cocoa, inherit));
  font-family: var(--body-font, inherit);
  font-size: clamp(17px, 1.6vw, 22px);
  font-weight: 750;
  letter-spacing: 0;
  line-height: 1.6;
}

.seo-heading-subtitle {
  display: block;
  margin-top: 12px;
  font-size: clamp(18px, 2.4vw, 25px);
  letter-spacing: 0;
  line-height: 1.5;
}

.seo-jump-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 20px 0;
  font-size: 14px;
}

.seo-jump-links a,
.seo-related a,
.seo-guide a {
  color: var(--accent, var(--peach-deep, inherit));
  text-decoration: underline;
  text-underline-offset: 4px;
}

.seo-related {
  width: min(100%, var(--page-width, 1240px));
  margin: 48px auto 0;
  padding: 32px var(--page-x, 24px);
  border-top: 1px solid var(--line, var(--border, #ddd));
  color: var(--ink, var(--fg, var(--cocoa, inherit)));
}

.seo-related--contained {
  width: auto;
  padding-inline: 0;
}

.seo-related h2,
.seo-guide h2 {
  margin: 0 0 16px;
  color: inherit;
  font-size: clamp(19px, 2vw, 24px);
  letter-spacing: 0;
  line-height: 1.5;
}

.seo-related ul {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr));
  gap: 16px 28px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.seo-related a {
  display: inline-block;
  padding-block: 8px;
  font-size: 15px;
  font-weight: 650;
  line-height: 1.6;
}

.seo-guide {
  margin-top: 32px;
  color: var(--fg, inherit);
}

.seo-guide li + li {
  margin-top: 8px;
}

.seo-guide code {
  overflow-wrap: anywhere;
}

.seo-guide h3 {
  margin: 24px 0 8px;
  font-size: 16px;
}

.seo-jump-links a:focus-visible,
.seo-related a:focus-visible,
.seo-breadcrumb a:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 4px;
}

[id^="bingo-guide-"] {
  scroll-margin-top: 110px;
}

@media print {
  .seo-breadcrumb,
  .seo-jump-links,
  .seo-related {
    display: none;
  }
}