.abstract-hero .container {
  padding-top: 48px;
  padding-bottom: 50px;
}
.abstract-hero h1 {
  max-width: 1120px;
  margin-bottom: 0;
  font-size: clamp(28px, 2.8vw, 38px);
  line-height: 1.4;
  text-wrap: balance;
}
.abstract-hero .breadcrumb {
  max-width: none;
  font-size: 13px;
}
.abstract-index {
  border-bottom: 1px solid var(--color-line);
  background: var(--color-paper);
}
.abstract-index .container {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 24px;
  padding-top: 13px;
  padding-bottom: 13px;
}
.abstract-index a {
  color: var(--color-ink);
  font-size: 13px;
  line-height: 1.6;
}
.abstract-index a:hover {
  color: var(--color-teal);
}
.abstract-body {
  width: min(850px, calc(100% - 56px));
  margin: 0 auto;
  padding: 60px 0 90px;
}
.abstract-body h2 {
  margin: 50px 0 18px;
  padding-top: 26px;
  border-top: 1px solid var(--color-line);
  font-size: 24px;
  scroll-margin-top: 30px;
}
.abstract-body p {
  margin: 0 0 1.2em;
  color: var(--color-text);
  font-size: 16px;
  line-height: 2;
  text-align: justify;
  text-justify: inter-ideograph;
}
.abstract-body > p:first-child {
  color: var(--color-ink);
  font-size: 18px;
  line-height: 1.9;
}
.abstract-return {
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px solid var(--color-line);
}
@media (max-width: 600px) {
  .abstract-hero .container {
    padding-top: 36px;
    padding-bottom: 40px;
  }
  .abstract-index .container {
    gap: 8px 18px;
  }
  .abstract-body {
    width: min(100% - 36px, 850px);
    padding-top: 32px;
    padding-bottom: 60px;
  }
  .abstract-body h2 {
    margin-top: 36px;
    font-size: 21px;
  }
  .abstract-body p,
  .abstract-body > p:first-child {
    font-size: 15px;
    line-height: 1.9;
  }
}