/* サービス概要セクション */
.about-section {
  background-color: #efefef;
  padding: 0;
  height: 900px;
  display: flex;
  justify-content: center;
  overflow: hidden;
}

.about-section .container {
  width: 1440px;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* タイトル「サービス概要」 */
.about-section .section-title {
  width: 610px;
  margin: 90px auto 61px;
}

.about-layout {
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* メインタイトル */
.about-main-title {
  width: 1240px;
  font-family: 'Hiragino Sans', sans-serif;
  font-weight: 800;
  font-size: 50px;
  line-height: 1.3;
  letter-spacing: 0.02em;
  color: #2c2c2c;
  text-align: center;
  margin: 0 0 20px;
}

/* 説明文 */
.about-description {
  width: 816px;
  font-family: 'Hiragino Sans', sans-serif;
  font-weight: 700;
  font-size: 16px;
  line-height: 1.4;
  letter-spacing: 0.05em;
  color: #8c8c8c;
  text-align: left;
  margin: 0 0 36px;
}

/* 画像 */
.about-image {
  width: 1028px;
  height: 500px;
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* レスポンシブ対応 */
@media (max-width: 1440px) {
  .about-section {
    height: auto;
    padding: 80px 0;
    overflow: visible;
  }

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

  .about-section .section-title {
    width: 100%;
    margin-top: 0;
    margin-bottom: 40px;
  }

  .about-main-title {
    width: 100%;
    font-size: 42px;
    margin-bottom: 30px;
  }

  .about-description {
    width: 100%;
    max-width: 816px;
    margin-bottom: 50px;
    padding: 0 20px;
  }

  .about-image {
    width: calc(100% - 60px);
    max-width: 1028px;
    height: auto;
    aspect-ratio: 1028 / 500;
  }
}

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

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

  .about-section .section-title {
    font-size: 20px;
    margin-bottom: 30px;
  }

  .about-main-title {
    font-size: 28px;
    margin-bottom: 20px;
  }

  .about-description {
    font-size: 14px;
    margin-bottom: 40px;
    padding: 0;
  }

  .about-image {
    width: 100%;
  }
}