.detail-content h1 {
  font-size: clamp(25px, 2.5vw, 36px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -.3px;
  text-align: center;
}

.series-label a {
  color: inherit;
  text-decoration: none;
}

.series-label a:hover {
  text-decoration: underline;
}

.edition-info {
  margin-top: 24px;
  padding: 14px 14px 6px;
  border-top: 1px solid var(--line);
  background: #fff;
  font-size: 12px;
  line-height: 1.35;
}

.buy-column {
  position: sticky;
  top: 110px;
}

.buy-column .buy-box {
  position: static;
}

.publication-date,
.edition-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 12px;
  align-items: center;
}

.publication-date {
  padding-bottom: 9px;
}

.edition-row {
  grid-template-columns: 1fr auto;
  padding: 9px 0;
  border-top: 1px solid var(--line);
}

.publication-date span,
.edition-row span {
  color: var(--muted);
  font-size: 12px;
}

.publication-date strong {
  text-align: right;
}

.edition-row strong {
  grid-column: 1;
  overflow-wrap: anywhere;
  font-size: 13px;
}

.edition-row b {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  color: var(--accent);
  font-size: 13px;
  white-space: nowrap;
}

.related-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: stretch;
  text-align: center;
}

.related-book {
  display: flex;
  width: 100%;
  flex: 1;
  flex-direction: column;
  text-align: center;
  text-decoration: none;
}

.related-book strong {
  display: block;
  flex: 1;
  max-width: 230px;
  margin: 12px auto 10px;
  font: 16px/1.35 Georgia, serif !important;
  text-align: center !important;
}

.related-amazon {
  display: flex;
  width: 100%;
  max-width: 190px;
  height: 34px;
  margin: auto auto 5px;
  padding: 5px 16px;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 1px solid #d5a500;
  border-radius: 5px;
  background: #ffd814;
  text-decoration: none;
}

.related-amazon:hover {
  background: #f7ca00;
  transform: translateY(-1px);
}

.related-amazon img {
  display: block !important;
  width: auto !important;
  max-width: 115px !important;
  height: 23px !important;
  aspect-ratio: auto !important;
  object-fit: contain !important;
  background: transparent !important;
  box-shadow: none !important;
}

@media (max-width: 700px) {
  .buy-column {
    position: static;
  }
  .related-book strong {
    font-size: 14px !important;
  }

  .related-amazon {
    max-width: 150px;
    height: 31px;
  }

  .related-amazon img {
    max-width: 100px !important;
    height: 20px !important;
  }
}