/* 各機能の詳細紹介セクション */
.feature-details-section {
  background-color: #f9f9f9;
  padding: 100px 0;
}

.feature-details-section .container {
  width: 1440px;
  margin: 0 auto;
  padding: 0 100px;
}

/* 各機能詳細アイテム */
.feature-detail-item {
  width: 1240px;
  height: 700px;
  background-color: #fff;
  border-radius: 10px;
  padding: 80px;
  margin-bottom: 30px;
  display: flex;
  flex-direction: column;
  gap: 80px;
}

.feature-detail-item:last-child {
  margin-bottom: 0;
}

/* 上部エリア（画像とコンテンツを横並び） */
.feature-detail-top {
  display: flex;
  gap: 40px;
  align-items: flex-start;
}

/* 画像 */
.feature-detail-visual {
  flex-shrink: 0;
  width: 520px;
  height: 320px;
  border-radius: 12px;
  overflow: hidden;
}

.feature-detail-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* コンテンツ */
.feature-detail-content {
  flex: 1;
  max-width: 520px;
}

/* ラベル */
.feature-detail-label {
  font-family: "Hiragino Sans", sans-serif;
  font-weight: 800;
  font-size: 14px;
  line-height: 1.3;
  letter-spacing: 0.05em;
  color: #8c8c8c;
  margin: 0 0 20px;
}

/* タイトル */
.feature-detail-title {
  font-family: "Hiragino Sans", sans-serif;
  font-weight: 800;
  font-size: 59px;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: #2c2c2c;
  margin: 0 0 36px;
}

/* 説明文 */
.feature-detail-description {
  font-family: "Hiragino Sans", sans-serif;
  font-weight: 700;
  font-size: 20px;
  line-height: 1.4;
  letter-spacing: 0.05em;
  color: #2c2c2c;
  margin: 0;
}

/* ポイントリスト（下部） */
.feature-detail-points {
  display: flex;
  gap: 60px;
  position: relative;
}

.feature-detail-point {
  flex: 1;
  max-width: 300px;
  position: relative;
  text-align: center;
  padding: 10px 0;
}

/* 縦線の区切り */
.feature-detail-point:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -30px;
  top: 0;
  width: 1px;
  height: 175px;
  background-color: #e0e0e0;
}

.feature-detail-point-title {
  font-family: "Hiragino Sans", sans-serif;
  font-weight: 800;
  font-size: 30px;
  line-height: 1.3;
  letter-spacing: 0.05em;
  color: #2c2c2c;
  margin: 0 0 20px;
}

.feature-detail-point-desc {
  font-family: "Hiragino Sans", sans-serif;
  font-weight: 700;
  font-size: 14px;
  line-height: 1.4;
  letter-spacing: 0.05em;
  color: #9c9c9c;
  margin: 0;
  text-align: left;
}

/* レスポンシブ対応 */
@media (max-width: 1440px) {
  .feature-details-section {
    padding: 80px 0;
  }

  .feature-details-section .container {
    width: 100%;
    padding: 0 30px;
  }

  .feature-detail-item {
    width: 100%;
    height: auto;
    padding: 60px;
    gap: 60px;
    margin-bottom: 30px;
  }

  .feature-detail-top {
    gap: 60px;
  }

  .feature-detail-visual {
    width: 400px;
    height: 246px;
  }

  .feature-detail-content {
    max-width: 100%;
  }

  .feature-detail-title {
    font-size: 48px;
  }

  .feature-detail-description {
    font-size: 18px;
  }
}

@media (max-width: 1024px) {
  .feature-detail-item {
    padding: 40px;
    gap: 40px;
  }

  .feature-detail-top {
    flex-direction: column;
    gap: 40px;
  }

  .feature-detail-visual {
    width: 100%;
    max-width: 520px;
    height: auto;
    aspect-ratio: 520 / 320;
  }

  .feature-detail-points {
    flex-direction: column;
    gap: 30px;
  }

  .feature-detail-point {
    max-width: 100%;
  }

  .feature-detail-point:not(:last-child)::after {
    display: none;
  }
}

@media (max-width: 768px) {
  .feature-details-section {
    padding: 60px 0;
  }

  .feature-details-section .container {
    padding: 0 20px;
  }

  .feature-detail-item {
    padding: 30px 20px;
    margin-bottom: 30px;
  }

  .feature-detail-label {
    font-size: 12px;
    margin-bottom: 15px;
  }

  .feature-detail-title {
    font-size: 32px;
    margin-bottom: 25px;
  }

  .feature-detail-description {
    font-size: 16px;
  }

  .feature-detail-point-title {
    font-size: 24px;
    margin-bottom: 15px;
  }

  .feature-detail-point-desc {
    font-size: 13px;
  }
}