#asty-news .inner {
  margin-inline: auto;
  max-width: 1060px;
  padding: 0 30px;
}

.news_name {
  position: relative;
  margin-inline: auto;
  max-width: 1000px;
  padding: 30px;
}
.news_name .detail__title {
  border-bottom: 1px solid #f58622;
}
.news_name .news__info p {
  text-align: center;
  font-size: 25px;
  font-weight: 600;
  color: #231f20;
}
.news-detail {
  margin-inline: auto;
  max-width: 930px;
  padding: 20px 30px 100px;
  font-size: 18px;
  font-weight: 500;
}
.top-btn a {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: calc(infinity * 1px);
  margin-bottom: 50px;
  margin-inline: auto;
  background-color: #f58622;
  width: 300px;
  height: 60px;
  font-size: 21px;
  font-weight: 600;
  color: #fff;
  box-shadow: 0 4px 4px rgba(0, 0, 0, 0.25);
}

@media screen and (max-width: 750px) {
  #asty-news .heading {
    position: relative;
    width: 100%;
    height: clamp(140px, 15vw, 260px); /* スマホで見切れが出る高さを確保 */
    overflow: hidden;
  }

  #asty-news .heading img {
    display: block;
    width: 750px;
    height: 100%;
    object-fit: cover;
    object-position: center;
  }

  .news_name {
    padding: 15px;
  }

  .news_name .detail__title {
    padding: 16px 10px 4px;
  }

  .news-detail {
    padding: 20px 0 50px;
    font-size: 16px;
  }

  .top-btn a {
    margin-bottom: 25px;
    width: 280px;
    height: 50px;
    font-size: 16px;
  }
}