.about-ledger {
  margin-bottom: clamp(54px, 7vw, 92px);
}

.about-ledger-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 0.4fr);
  gap: 30px;
  align-items: end;
  margin-bottom: 30px;
}

.about-ledger-head h2 {
  margin: 0;
  font-size: clamp(2.4rem, 4.6vw, 4.8rem);
  font-weight: 850;
  letter-spacing: -0.06em;
  line-height: 1;
}

.about-ledger-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--line-strong);
  border-left: 1px solid var(--line);
}

.about-ledger-grid > div {
  min-height: 150px;
  padding: 22px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.about-ledger-grid span {
  color: var(--rust);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.about-ledger-grid strong {
  margin-top: 20px;
  font-size: clamp(1.15rem, 1.7vw, 1.65rem);
  font-weight: 820;
  letter-spacing: -0.03em;
  line-height: 1.35;
}

.about-ledger-grid small {
  margin-top: 8px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.65;
}

.about-layout {
  display: grid;
  grid-template-columns: minmax(160px, 0.24fr) minmax(0, 1fr);
  gap: clamp(42px, 8vw, 112px);
  align-items: start;
}

.about-side {
  position: sticky;
  top: 118px;
  display: grid;
  gap: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--line-strong);
}

.about-side a {
  color: var(--muted);
  font-size: 12px;
  text-decoration: none;
}

.about-side a:hover {
  color: var(--rust);
}

.about-copy {
  min-width: 0;
}

.about-copy section + section {
  margin-top: clamp(58px, 7vw, 98px);
}

.about-copy .article-lead {
  max-width: 40em;
  margin: 0 0 48px;
  padding-left: 22px;
  border-left: 3px solid var(--rust);
  color: var(--ink-soft);
  font-size: clamp(19px, 1.8vw, 25px);
  line-height: 1.75;
}

.about-copy h2 {
  margin: 0 0 22px;
  font-size: clamp(2rem, 3.6vw, 3.8rem);
  font-weight: 850;
  letter-spacing: -0.055em;
  line-height: 1.1;
}

.about-copy p {
  max-width: 44em;
  margin: 0 0 20px;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.95;
}

.about-copy a {
  color: var(--rust);
}

.about-check {
  margin: 26px 0;
  border-top: 1px solid var(--line-strong);
}

.about-check > div {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 20px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.about-check strong {
  color: var(--ink);
  font-size: 14px;
}

.about-check span {
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.75;
}

.about-note {
  margin-top: 30px;
  padding: 24px;
  background: var(--paper-deep);
  border-left: 3px solid var(--rust);
}

.about-note strong {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 18px;
}

.about-note p {
  margin: 0;
}

@media (max-width: 820px) {
  .about-ledger-head {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .about-ledger-grid {
    grid-template-columns: 1fr;
  }

  .about-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .about-side {
    position: static;
    grid-template-columns: 1fr 1fr;
    gap: 0 18px;
  }

  .about-side .article-label {
    grid-column: 1 / -1;
  }

  .about-side a {
    padding: 10px 0;
    border-top: 1px solid var(--line);
  }

  .about-check > div {
    grid-template-columns: 1fr;
    gap: 5px;
  }
}

@media (max-width: 560px) {
  .about-ledger-grid > div {
    min-height: 0;
  }

  .about-copy p {
    font-size: 15px;
    line-height: 1.9;
  }

  .about-copy .article-lead {
    padding-left: 16px;
    font-size: 18px;
  }

  .about-copy h2 {
    font-size: 2rem;
  }

  .about-note {
    padding: 20px;
  }
}

.article-main .article-cover img {
  aspect-ratio: 1040 / 680;
  object-position: center 42%;
}