.education-related,
.education-unified-nav {
  width: min(100%, 900px);
  margin-inline: auto;
  font-family: "Noto Sans JP", system-ui, sans-serif;
}

.education-related {
  margin-top: 44px;
  padding: 28px 0 12px;
  border-top: 1px solid #d6f0e0;
}

.education-related__heading {
  margin: 0 0 8px;
  color: #115a38;
  font-size: clamp(20px, 3vw, 25px);
  line-height: 1.45;
  letter-spacing: .03em;
}

.education-related__lead {
  margin: 0 0 20px;
  color: #60786b;
  font-size: 14px;
  line-height: 1.8;
}

.education-related__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.education-related__card {
  display: flex;
  min-height: 148px;
  flex-direction: column;
  padding: 18px;
  border: 1px solid #d6f0e0;
  border-radius: 14px;
  background: #fff;
  color: #1a2e23;
  text-decoration: none;
  box-shadow: 0 5px 18px rgba(29, 143, 90, .08);
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.education-related__card:hover,
.education-related__card:focus-visible {
  transform: translateY(-2px);
  border-color: #6cc89a;
  box-shadow: 0 9px 24px rgba(29, 143, 90, .14);
}

.education-related__volume {
  margin-bottom: 9px;
  color: #167348;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
}

.education-related__title {
  margin: 0;
  color: #1a2e23;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.65;
}

.education-related__more {
  margin-top: auto;
  padding-top: 14px;
  color: #167348;
  font-size: 12px;
  font-weight: 700;
}

.education-unified-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  padding: 24px 0 28px;
}

.education-unified-nav__link {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 11px 20px;
  border: 1px solid #b9ddc8;
  border-radius: 999px;
  background: #fff;
  color: #115a38;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.4;
  text-align: center;
  text-decoration: none;
}

.education-unified-nav__link--primary {
  border-color: #1d8f5a;
  background: linear-gradient(135deg, #167348, #3db37a);
  color: #fff;
  box-shadow: 0 5px 18px rgba(29, 143, 90, .22);
}

.education-unified-nav__link:hover,
.education-unified-nav__link:focus-visible {
  border-color: #1d8f5a;
}

@media (max-width: 760px) {
  .education-related {
    margin-top: 34px;
    padding-top: 24px;
  }

  .education-related__grid {
    grid-template-columns: 1fr;
  }

  .education-related__card {
    min-height: 0;
  }

  .education-unified-nav {
    flex-direction: column;
  }

  .education-unified-nav__link {
    width: 100%;
  }
}