/* 共通セクション設定 */
.cost-section {
  padding: 10px 20px;
  background-color: #ffffff;
  text-align: center;
}

.cost-subtitle {
  font-size: 1rem;
  font-weight: 600;
  color: #6b7280;
  margin-bottom: 0.5rem;
}

.cost-title {
  font-size: 2rem;
  font-weight: bold;
  color: #1f2937;
  margin-bottom: 3rem;
  line-height: 1.4;
}

.cost-title .highlight {
  color: #06b6d4;
}

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

/* 画像共通 */
.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;
  }
}

/* セクション全体 */

.cost-subtitle {
  font-size: 1rem;
  font-weight: 600;
  color: #6b7280;
  margin-bottom: 0.5rem;
}

.cost-title {
  font-size: 2rem;
  font-weight: bold;
  color: #1f2937;
  margin-bottom: 3rem;
  line-height: 1.4;
}

.cost-title .highlight {
  color: #06b6d4;
}

/* 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;
}

/* スマホでは1カラムに */
@media screen and (max-width: 768px) {
  .cost-grid {
    grid-template-columns: 1fr;
  }

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