 <style>
.airhomme-wrapper {
  background-color: #a9abad;
}
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      font-family: 'Noto Serif JP', serif;
      background: #fff;
    }

    .kv {
      position: relative;
      width: 100%;
      height: auto;
      overflow: hidden;
    }

    .kv picture,
    .kv img {
      width: 100%;
      height: auto;
      object-fit: cover;
      display: block;
    }

    .kv-text {
      position: absolute;
      color: #111;
      opacity: 0;
      animation: fadeIn 2s ease-out 0.3s forwards;
      text-shadow: 0 0 4px rgba(255, 255, 255, 0.6);
      font-family: 'Noto Serif JP', serif;
    }


    .kv-text--sp {
      bottom: -6%;
      left: 1%;
      transform: translateX(-50%);
      font-size: clamp(20px, 5vw, 22px);
      text-align: center;
      display: none;
      width: 100%;
    }
.kv-buttons {
  position: absolute;
  display: flex;
  gap: 16px;
  z-index: 2;
}

.kv-button {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(0, 0, 0, 0.4); /* ← 黒で透明度40%に変更 */
  color: #fff; 
  font-weight: bold;
  text-decoration: none;
  border-radius: 50%;
  backdrop-filter: blur(5px);
  transition: background-color 0.3s;
  font-family: 'Noto Sans JP', sans-serif;
}

/* PC用 */
.kv-buttons--pc {
  bottom: 20%;
  right: 69%;
}
.kv-buttons--pc .kv-button {
  width: 150px;
  height: 150px;
  font-size: 18px;
}

/* SP用 */
.kv-buttons--sp {
  position: absolute;
  width: 100%;
  top: 65%; /* 位置調整 */
  left: 0;
  display: block;
}

/* SHAMPOOボタン（左側） */
.kv-button--sp-shampoo {
  position: absolute;
  left: 30%;
  top: -37px;
  width: 70px;
  height: 70px;
  font-size: 8px;
  border-radius: 50%;
  text-align: center;
  line-height: 60px;
  font-weight: bold;
  text-decoration: none;
  backdrop-filter: blur(4px);
}

/* TREATMENTボタン（右側、少し下） */
.kv-button--sp-treatment {
  position: absolute;
  right: 30%;
  top: -35px; /* シャンプーよりちょい下 */
  width: 70px;
  height: 70px;
  font-size: 8px;
  border-radius: 50%;
  text-align: center;
  line-height: 60px;
  font-weight: bold;
  text-decoration: none;
  backdrop-filter: blur(4px);
}
/* メディアクエリで出し分け */
@media (max-width: 768px) {
  .kv-buttons--pc {
    display: none;
  }
}

@media (min-width: 769px) {
  .kv-buttons--sp {
    display: none;
  }
}
    @media (max-width: 768px) {
      .kv {
        aspect-ratio: 9 / 16;
      }

      .kv-text--pc {
        display: none;
      }

      .kv-text--sp {
        display: block;
      }
    }

    @keyframes fadeIn {
      from {
        opacity: 0;
        transform: translateY(-50%) translateX(20px);
      }
      to {
        opacity: 1;
        transform: translateY(-50%) translateX(0);
      }
    }

/* お悩みエリア */
     .trouble-area {
      padding: 80px 20px;
      text-align: center;
    }

    .trouble-area h2 {
      font-size: clamp(20px, 5vw, 32px);
      margin-bottom: 40px;
      font-weight: 500;
    }

    .trouble-box {
      border: 2px solid #29598f;
      background: #fff;
      padding: 20px;
      margin: 20px auto;
      border-radius: 8px;
      font-size: clamp(16px, 4vw, 20px);
      max-width: 600px;
      line-height: 1.6;
    }

/* 特徴エリア */
.airhomme-feature {
  padding: px 20px;
}

.feature__inner {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.feature__title {
  font-size: 1.4rem;
  margin-bottom: 30px;
    text-align: center;
}
@media (min-width: 769px) {
  .feature__title {
    font-size: 2.6rem; /* お好みで調整 */
  }
}
    
.feature__bottom {
  background: #002c4e;
  color: #fff;
  font-weight: bold;
  padding: 15px;
  font-size: 0.8rem;
  margin-top: 30px;
    text-align: center;
}

/* PCサイズで文字を大きく */
@media (min-width: 769px) {
  .feature__bottom {
    font-size: 1.6rem; /* お好みで調整 */
  }
}

/* PC向けスタイル（ブレイクポイント） */
@media (min-width: 769px) {
  .kv-text--sp {
    display: none;
  }

  .kv-text--pc {
    display: block;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    writing-mode: vertical-rl;
    font-size: clamp(18px, 2.5vw, 28px);
    white-space: nowrap;
  }

  .feature__inner {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    flex-wrap: wrap;
  }
}
@media (min-width: 769px) {
  .kv-text--pc {
    display: block;
    right: 12%; /* ← より左に寄せる */
    top: 45%; /* ← 上に寄せる */
    transform: none;
    writing-mode: vertical-rl;
    font-size: 3vw; /* ← フォントを大きく！ */
    line-height: 1.6;
    white-space: nowrap;
    opacity: 1;
    text-shadow: 0 0 4px rgba(255, 255, 255, 0.6);
  }
}

.feature__image {
  width: 500%;
  max-width: 1000px;
  height: auto;
  margin: 0 auto 40px;
  display: block;
}

/* スマホサイズで小さめにする */
@media (max-width: 768px) {
  .feature__image {
    max-width: 300px;
  }
 } 
  /* -------------------
   共通（SPベース）
-------------------- */
.product-section {
  padding: 80px 20px;
  background-color: #fff;
}

.product-container {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 40px;
}

.product-container.reverse {
  flex-direction: row-reverse;
}

.product-image {
  flex: 1 1 300px;
  text-align: center;
}

.product-image img {
  max-width: 100%;
  height: auto;
}

.product-info {
  flex: 1 1 400px;
}

.product-title {
  font-size: clamp(20px, 4vw, 32px);
  margin-bottom: 16px;
  font-family: 'Noto Serif JP', serif;
}

.product-price {
  font-size: clamp(20px, 4vw, 28px);
  font-weight: bold;
  margin-bottom: 16px;
}

.product-price span {
  font-size: 0.8em;
  font-weight: normal;
}

.product-description {
  font-size: clamp(14px, 2.5vw, 18px);
  line-height: 1.8;
  margin-bottom: 24px;
  font-family: 'Noto Sans JP', sans-serif;
}

.product-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.btn-outline,
.btn-fill {
  padding: 12px 24px;
  border-radius: 9999px;
  font-weight: bold;
  font-size: 14px;
  text-decoration: none;
  transition: all 0.3s ease;
  text-align: center;
  min-width: 160px;
}

.btn-outline {
  border: 2px solid #002c4e;
  color: #002c4e;
  background-color: transparent;
}

.btn-outline:hover {
  background-color: #002c4e;
  color: #fff;
}

.btn-fill {
  background-color: #002c4e;
  color: #fff;
}

.btn-fill:hover {
  background-color: #00182b;
}

/* -------------------
   PCサイズ用（上書き）
-------------------- */
@media (min-width: 769px) {
  .product-section {
    background-color: #fff;
    padding: 100px 40px;
  }

  .product-container {
    display: flex;
    align-items: center;
    gap: 60px;
    justify-content: space-between;
  }

  .product-container.reverse {
    flex-direction: row-reverse;
  }

  .product-title {
    font-size: 2rem;
    margin-bottom: 20px;
    text-align: left;
  }

  .product-description {
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 30px;
    text-align: left;
  }

  .product-info {
    flex: 1;
  }

  .product-image {
    flex: 1;
    text-align: center;
  }

  .product-image img {
    border-radius: 10px;
  }

  .product-button {
    background-color: #002c4e;
    color: #fff;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: bold;
    border: none;
    border-radius: 6px;
    text-decoration: none;
    display: inline-block;
    transition: background-color 0.3s;
  }

  .product-button:hover {
    background-color: #29598f;
  }
}
    
    
</style>