.page-hero h1 {
  margin: 0;
  padding-bottom: 0;
  border-bottom: 0;
}

.about-main {
  gap: 48px;
}

.about-body {
  padding: 64px;
  border: 2px solid var(--navy-100);
  border-radius: 8px;
}

.about-lead {
  margin: 0 0 48px;
  color: #5A6472;
  font-size: 20px;
  font-weight: 500;
  line-height: 1.9;
  text-align: justify;
}

.about-content {
  color: var(--muted);
  font-size: 18px;
  line-height: 2.2;
}

.about-content h2 {
  margin: 0 0 32px;
  padding: 0 0 16px;
  border-bottom: 2px solid var(--navy-100);
  color: var(--navy-500);
  font-size: 32px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: .02em;
  font-feature-settings: "palt" 1;
}

.operator-table {
  display: grid;
  margin: 0;
  border-top: 1px solid var(--navy-100);
}

.operator-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 32px;
  padding: 28px 0;
  border-bottom: 1px solid var(--navy-100);
}

.operator-row dt {
  color: var(--navy-600);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.8;
}

.operator-row dd {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 2;
}

.operator-row strong {
  display: block;
  margin-bottom: 4px;
  color: var(--ink);
  font-size: 20px;
  font-weight: 700;
}

.operator-address {
  font-style: normal;
}

.operator-access {
  display: grid;
  gap: 4px;
  margin-top: 18px;
}

.operator-group {
  display: grid;
  gap: 4px;
}

.supervisor-content {
  display: grid;
  gap: 56px;
}

.supervisor-profile-head {
  display: grid;
  grid-template-columns: 160px 1fr;
  align-items: center;
  gap: 32px;
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 2px solid var(--navy-100);
}

.supervisor-profile-photo {
  width: 160px;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 8px;
}

.supervisor-label {
  margin: 0 0 8px;
  color: var(--gold-500);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
}

.supervisor-profile-head h2 {
  margin: 0;
  padding: 0;
  border-bottom: 0;
}

.supervisor-table {
  border-top: 0;
}

.supervisor-list {
  display: grid;
  gap: 4px;
  margin: 0;
  padding-left: 1.2em;
}

.supervisor-note {
  margin: 12px 0 0;
}

.supervisor-content a {
  color: var(--navy-500);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.supervisor-career h2 {
  margin-bottom: 28px;
}

.career-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.career-list li {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 32px;
  padding: 22px 0;
  border-bottom: 1px solid var(--navy-100);
}

.career-list time {
  color: var(--navy-600);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.9;
}

.career-list span {
  color: var(--muted);
  font-size: 18px;
  line-height: 2;
}

@media (max-width: 900px) {
  .about-body {
    padding: 40px;
  }
}

@media (max-width: 640px) {
  .about-main {
    padding-top: 32px;
  }

  .about-body {
    padding: 24px 16px;
  }

  .about-lead {
    margin-bottom: 40px;
    font-size: 18px;
  }

  .about-content h2 {
    margin-bottom: 24px;
    font-size: 26px;
  }

  .operator-row {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 24px 0;
  }

  .operator-row dt {
    font-size: 16px;
  }

  .operator-row dd {
    font-size: 16px;
    line-height: 1.9;
  }

  .operator-row strong {
    font-size: 18px;
  }

  .supervisor-content {
    gap: 40px;
  }

  .supervisor-profile-head {
    grid-template-columns: 96px 1fr;
    gap: 16px;
    margin-bottom: 28px;
    padding-bottom: 24px;
  }

  .supervisor-profile-photo {
    width: 96px;
  }

  .supervisor-label {
    font-size: 14px;
  }

  .career-list li {
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 20px 0;
  }

  .career-list time {
    font-size: 15px;
  }

  .career-list span {
    font-size: 16px;
    line-height: 1.9;
  }
}

@media (min-width: 641px) and (max-width: 900px) {
  .about-main {
    width: min(100% - 48px, 720px);
  }

  .about-body {
    padding: 36px 32px;
  }

  .operator-row {
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 24px;
  }

  .supervisor-profile-head {
    grid-template-columns: 128px minmax(0, 1fr);
    gap: 24px;
  }

  .supervisor-profile-photo {
    width: 128px;
  }

  .career-list li {
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 24px;
  }
}