.product-social-list {
  display: flex;
  gap: 10px;
}

/* 商品説明文 カスタマイズ */
.product__explain img {
  margin-bottom: 10px;
}
.product__explain p {
  font-size: 13px;
  line-height: 20px;
  letter-spacing: 0.78px;
}
.main_block {
  margin: 50px 0;
}
.main_block:first-child {
  margin-top: 0;
}
.main_block h2 {
  background-color: #000;
  padding: 5px 7px;
  border-left: 5px solid #F3A847;
  color: #fff;
  font-size: 19px;
  line-height: 25px;
  letter-spacing: 0.76px;
  font-weight: bold;
  margin: 0 0 25px 0;
}
.sub_block {
  margin: 25px 0;
}
.sub_inner {
 margin: 20px 0;
}
.sub_block h3 {
  background-color: #ccc;
  padding: 5px 7px;
  border-left: 5px solid #F3A847;
  font-size: 14px;
  line-height: 19px;
  letter-spacing: 0.56px;
  font-weight: bold;
  margin: 0 0 20px 0;
}

@media screen and (max-width: 980px) {
  .product__explain p {
    font-size: 12px;
    letter-spacing: 0.57px;
  }
  .main_block {
    margin: 30px 0;
  }
  .main_block h2 {
    font-size: 15px;
    line-height: 20px;
    letter-spacing: 0.57px;
    margin: 0 0 20px 0;
  }
  .sub_block h3 {
    font-size: 13px;
    line-height: 18px;
    letter-spacing: 0.57px;
  }
}
/* // 商品説明文 カスタマイズ */