.book-summary {
  max-width: 680px;
  margin: clamp(44px, 6vw, 66px) auto 0;
  color: #292929;
  font-family: var(--serif);
  font-size: clamp(23px, 3vw, 31px);
  letter-spacing: -.022em;
  line-height: 1.38;
  text-wrap: pretty;
}

.article-intro:has(+ .quick-answer) {
  margin-bottom: clamp(78px, 9vw, 112px);
}

.quick-answer {
  width: min(calc(100% - 48px), 760px);
  margin: 0 auto clamp(180px, 21vw, 250px);
  padding: 34px 0 30px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.quick-answer h2 {
  max-width: 620px;
  margin: 15px 0 0;
  font-size: clamp(31px, 4vw, 46px);
  font-weight: 500;
  letter-spacing: -.045em;
  line-height: 1.05;
  text-wrap: balance;
}

.quick-answer ol {
  margin: 31px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: quick-answer;
}

.quick-answer li {
  counter-increment: quick-answer;
  border-top: 1px solid var(--line);
}

.quick-answer li:last-child {
  border-bottom: 1px solid var(--line);
}

.quick-answer a {
  display: grid;
  grid-template-columns: 28px minmax(180px, 235px) 1fr;
  gap: 18px;
  align-items: baseline;
  padding: 20px 0;
  color: #111;
  text-decoration: none;
}

.quick-answer a::before {
  content: counter(quick-answer, decimal-leading-zero);
  color: #888;
  font-family: var(--ui);
  font-size: 10px;
  letter-spacing: .08em;
}

.quick-answer strong {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 500;
  letter-spacing: -.015em;
}

.quick-answer a > span {
  color: #5d5d5d;
  font-family: var(--ui);
  font-size: 13px;
  line-height: 1.55;
}

.book-question {
  max-width: 700px;
  margin: clamp(44px, 6vw, 66px) auto 0;
  font-family: var(--serif);
  font-size: clamp(24px, 3.2vw, 34px);
  letter-spacing: -.03em;
  line-height: 1.32;
  text-wrap: balance;
}

.book-question span {
  display: block;
  margin-bottom: 13px;
  color: #777;
  font-family: var(--ui);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .12em;
  line-height: 1.4;
  text-transform: uppercase;
}

.book-question + .book-summary {
  max-width: 630px;
  margin-top: 25px;
  color: #555;
  font-size: clamp(18px, 2vw, 21px);
  letter-spacing: -.012em;
  line-height: 1.55;
}

.book-lens {
  width: min(100%, 630px);
  margin: 42px auto 0;
  text-align: left;
}

.book-lens .opening-note-label {
  margin: 0;
  color: #5f5f5f;
  font-family: var(--ui);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .12em;
  line-height: 1.4;
  text-transform: uppercase;
}

.book-lens > p:last-child {
  margin: 11px 0 0;
  color: #252525;
  font-family: var(--serif);
  font-size: clamp(18px, 2vw, 21px);
  letter-spacing: -.012em;
  line-height: 1.55;
}

.recommendation-note {
  max-width: 580px;
  margin: 31px auto 0;
  color: #656565;
  font-family: var(--ui);
  font-size: 12px;
  line-height: 1.65;
}

.recommendation-note span {
  display: block;
  margin-top: 5px;
}

.recommendation-note a,
.recommendation-quote cite a {
  color: inherit;
  text-underline-offset: 3px;
}

.book-copy blockquote.recommendation-quote {
  max-width: 690px;
}

.recommendation-quote cite span {
  padding-inline: .35em;
  color: #aaa;
}

.source-links a {
  color: #111;
  text-underline-offset: 3px;
}

.source-links span {
  padding-inline: .35em;
  color: #aaa;
}

@media (max-width: 600px) {
  .article-intro:has(+ .quick-answer) {
    margin-bottom: 68px;
  }

  .quick-answer {
    width: calc(100% - 40px);
    margin-bottom: 154px;
    padding-top: 30px;
  }

  .quick-answer h2 {
    font-size: 31px;
  }

  .quick-answer a {
    grid-template-columns: 24px 1fr;
    gap: 12px;
    padding: 18px 0;
  }

  .quick-answer a > span {
    grid-column: 2;
    margin-top: -8px;
  }

  .book-summary {
    margin-top: 42px;
    font-size: 23px;
  }

  .book-question {
    margin-top: 40px;
    font-size: 25px;
  }

  .book-question + .book-summary {
    margin-top: 23px;
    font-size: 18px;
  }

  .book-lens {
    width: calc(100% - 8px);
    margin-top: 38px;
  }

  .book-lens > p:last-child {
    font-size: 18px;
  }

  .recommendation-note {
    margin-top: 27px;
  }
}