.asthenosphere .preamble::before {
  display: none!important;
}

.preamble2 img {
  width: 100%;
  object-fit: cover;
  height: 480px;
}

.preamble2 {
  margin-bottom: 60px;
}

.pankuzu {
    max-width: 1280px;
    margin: 0 auto min(11.40625vw, 0px);
    width: min(78.4375vw, 994px);
}

.breadcrumb__list {
  padding-bottom: 20px;
  margin-bottom: 0;
}

.article__text h2 {
  color: #3B4043;
  border: solid 3px #3B4043;
  padding: 0.6em 0.5em 0.4em;/*文字周りの余白*/
  border-radius: 0.5em;/*角丸*/
  text-align: center!important;
}

.article__text h3 {
  padding: 0.3em 0.3em 0.2em 0;
  color: #3B4043;/*文字色*/
  background: #fff;/*背景色*/
  border-bottom: solid 3px #3B4043;/*下線*/
}

.article__text h4 {
  padding: 0.25em 0.5em 0em;/*上下 左右の余白*/
  color: #3B4043;/*文字色*/
  background: transparent;/*背景透明に*/
  border-left: solid 3px #3B4043;/*左線*/
  font-size: 24px;
  margin-bottom: 20px;
}

.asthenosphere .section-news .article__h3 {
  line-height: 1.4;
  text-align: left;
}

@media (max-width: 767px) {
  .article__text h2 {
    font-size: 20px;
  }

  .article__text h3 {
    font-size: 18px;
  }

  .article__text h4 {
    font-size: 18px;
  }

  .pankuzu {
    margin: 0 auto min(11.40625vw, 0px);
    width: 91.40625%;
  }

  .preamble2 img {
    width: 100%;
    object-fit: cover;
    height: 410px;
  }

  .asthenosphere .section-news .article__h3 {
    font-size: 22px;
    line-height: 1.5;
  }
}