.recommendation-page > h1 {
  max-width: 980px;
  margin: 0.25em 0 0;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.22;
}
.recommendation-page > .page-intro {
  margin: 18px 0 70px;
}
.recommendation-section {
  padding: 90px 0;
  border-top: 1px solid var(--ink);
}
.recommendation-section > header {
  max-width: 760px;
  margin-bottom: 48px;
}
.recommendation-section h2 {
  font-size: clamp(2rem, 4vw, 3.8rem);
  line-height: 1.15;
  letter-spacing: -0.05em;
  margin: 0 0 14px;
}
.recommendation-section > header p {
  color: var(--muted);
  font-size: 1.05rem;
}
.recommendation-book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(230px, 100%), 1fr));
  gap: 64px 28px;
}
.recommendation-book-grid article {
  max-width: 310px;
}
.recommendation-book-cover {
  display: block;
  aspect-ratio: 2/3;
  background: #f0f0ec;
  margin-bottom: 22px;
}
.recommendation-book-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.recommendation-book-grid h3 {
  font-size: 1.25rem;
  margin: 0 0 4px;
}
.recommendation-author {
  color: var(--muted);
  margin: 0;
}
.recommendation-intro {
  min-height: 4.8em;
  margin: 18px 0;
  line-height: 1.65;
}
.recommendation-buy {
  display: inline-block;
  font-weight: 750;
}
.recommendation-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}
.recommendation-card-actions a {
  padding: 9px 12px;
  border: 1px solid var(--ink);
  font-size: 0.84rem;
  font-weight: 750;
}
.recommendation-card-actions .recommendation-buy {
  background: var(--ink);
  color: #fff;
}
.recommendation-card-actions a:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.recommendation-detail-page {
  max-width: 980px;
  padding-top: 70px;
  padding-bottom: 140px;
}
.recommendation-back {
  display: inline-block;
  margin-bottom: 45px;
  color: var(--muted);
}
.recommendation-detail-header {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 70px;
  align-items: center;
  padding-bottom: 80px;
  border-bottom: 1px solid var(--line);
}
.recommendation-detail-header img {
  width: 100%;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  background: #eee;
}
.recommendation-detail-header h1 {
  margin: 0.15em 0;
  font-size: clamp(2.5rem, 6vw, 5rem);
  line-height: 1.08;
  letter-spacing: -0.055em;
}
.recommendation-detail-author {
  color: var(--muted);
}
.recommendation-detail-content {
  max-width: 760px;
  margin: 80px auto;
  font-size: 1.06rem;
  line-height: 2;
}
.recommendation-detail-purchase {
  display: grid;
  justify-items: start;
  gap: 12px;
  max-width: 760px;
  margin: 0 auto;
  padding: 35px;
  border: 1px solid var(--line);
}
.recommendation-detail-purchase p {
  margin: 0;
  font-size: 1.3rem;
  font-weight: 750;
}
.recommendation-detail-purchase small {
  color: var(--muted);
}
.affiliate-notice {
  border-top: 1px solid var(--line);
  padding-top: 28px;
  color: var(--muted);
  font-size: 0.82rem;
}
@media (max-width: 600px) {
  .recommendation-section {
    padding: 65px 0;
  }
  .recommendation-book-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 50px 18px;
  }
  .recommendation-book-grid article {
    max-width: none;
  }
  .recommendation-intro {
    min-height: 0;
    font-size: 0.9rem;
  }
  .recommendation-detail-header {
    grid-template-columns: 1fr;
    gap: 35px;
  }
  .recommendation-detail-header img {
    width: min(65%, 260px);
  }
}