/* ========== コストセクション（共通） ========== */
.cost-section {
  padding: 10px 20px;
  background-color: var(--color-white);
  text-align: center;
}

.cost-subtitle {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-light);
  margin-bottom: 0.5rem;
}

.cost-title {
  font-size: 2rem;
  font-weight: bold;
  color: var(--color-text);
  margin-bottom: 3rem;
  line-height: 1.4;
}

.cost-title .highlight {
  color: var(--color-primary);
}

/* ========== 2カラムグリッド ========== */
.cost-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  align-items: start;
  justify-items: center;
}

.cost-grid img {
  width: 100%;
  max-width: 360px;
  height: auto;
}

/* ========== スマホ表示（1カラム） ========== */
@media screen and (max-width: 768px) {
  .cost-section {
    padding: 60px 16px;
  }

  .cost-title {
    font-size: 1.5rem;
    margin-bottom: 2rem;
  }

  .cost-grid {
    grid-template-columns: 1fr;
  }
}