@media screen and (max-width: 959px) {
  html {
    overflow-x: hidden;
  }
  /*contents_area*/
  #contents {
    width: 100%;
    margin: 120px auto;
    line-height: 1.8;
    font-size: 1.2em;
  }
  #contents .mainvisual_area {
    width: 100%;
    height: auto;
    position: static;
    padding-top: 12%;
  }
  #contents .mainvisual_area img {
    display: block;
    width: 100%;
    height: auto;
  }
  #contents .mainvisual_area .m-catch {
    max-width: 96%;
    box-sizing: border-box;
    display: block;
    z-index: 10;
    position: static;
    margin: 0 0 3% 8%;
  }
  #contents .mainvisual_area .m-catch .title_eng {
    display: block;
    font-size: clamp(44px, 4.6vw, 80px);
    font-family: "Roboto", sans-serif;
    text-align: left;
  }
  #contents .mainvisual_area .m-catch .title_jpn {
    display: flex;
    width: 96%;
    align-items: center;
    font-size: clamp(18px, 1.9vw, 24px);
    color: #4682b4;
    font-family: "Roboto", sans-serif;
    text-align: right;
  }
  #contents .mainvisual_area .m-catch .title_jpn::before {
    content: "";
    display: block;
    width: 8%;
    height: 1px;
    background-color: #4682b4;
    flex-grow: 1;
    margin: 0 50px 0 0;
  }
  #contents .mainvisual_area .mainvisual {
    position: static;
    display: block;
    width: 86%;
    margin: 10% auto 0;
    height: auto;
  }
  #contents .mainvisual_area .breadcrumbs-area {
    position: static;
    width: 100%;
    margin: 3% 0 0;
    height: 20px;
    text-align: right;
    font-family: "Roboto", sans-serif;
    font-size: 0.9rem;
    box-sizing: content-box;
  }
  #contents .mainvisual_area .breadcrumbs-area .breadcrumbs-list li {
    margin: 0;
    padding-right: 30px;
    display: inline-block;
    opacity: 0.5;
  }
  #contents .mainvisual_area .breadcrumbs-area .breadcrumbs-list li:last-child {
    padding-right: 30px;
  }
  #contents .mainvisual_area .breadcrumbs-area .breadcrumbs-list a {
    margin: 0;
    display: inline-block;
    position: relative;
  }
  #contents .mainvisual_area .breadcrumbs-area .breadcrumbs-list a::after {
    display: block;
    content: "";
    position: absolute;
    top: 44%;
    right: -30px;
    box-sizing: border-box;
    width: 8px;
    border: 1px solid #ccc;
  }
  #contents .business_contents {
    position: static;
    width: 90%;
    margin: 70px auto;
    font-family: "Roboto", sans-serif;
    height: auto;
  }
  #contents .business_contents #js-nav {
    display: none;
  }
  #contents .business_contents .scroll {
    display: block;
    position: static;
    width: 100%;
    margin: 0 auto;
  }
  #contents .business_contents .scroll .scroll__target {
    display: block;
    width: 100%;
    margin: 0 auto;
  }
  #contents .business_contents .scroll .scroll__target .business_title {
    display: block;
    font-size: clamp(17px, 1.7vw, 28px);
    font-weight: 600;
    width: 100%;
    margin: 30px 0 20px;
  }
  #contents .business_contents .scroll .scroll__target .business_title::after {
    content: "";
    display: block;
    width: 100%;
    height: 1px;
    background-color: #9E9A9A;
  }
  #contents .business_contents .scroll .scroll__target .b_detail {
    width: 90%;
    margin: 0 auto;
  }
  #contents .business_contents .scroll .scroll__target .b_detail .b_detail_title {
    display: flex;
    justify-content: flex-start;
  }
  #contents .business_contents .scroll .scroll__target .b_detail .b_detail_title h4 {
    display: block;
    font-size: clamp(17px, 1.7vw, 28px);
    font-weight: 600;
    font-family: "Roboto", sans-serif;
    margin-bottom: 20px;
  }
  #contents .business_contents .scroll .scroll__target .b_detail .b_detail_title .rmark {
    display: block;
    font-size: clamp(16px, 1.7vw, 32px);
  }
  #contents .business_contents .scroll .scroll__target .b_detail h4 {
    font-size: clamp(17px, 1.7vw, 28px);
    font-weight: 600;
    font-family: "Roboto", sans-serif;
    margin-bottom: 20px;
  }
  #contents .business_contents .scroll .scroll__target .b_detail .h4title_jp {
    font-size: clamp(14px, 1.45vw, 28px);
    font-weight: 600;
    font-family: "Roboto", sans-serif;
    margin-bottom: 20px;
  }
  #contents .business_contents .scroll .scroll__target .b_detail p {
    font-size: clamp(15px, 1.5vw, 20px);
    padding: 0 0 6%;
    line-height: 1.5;
  }
  #contents .business_contents .scroll .scroll__target .img_c {
    width: 90%;
    margin: 0 auto;
    padding: 0 0 10px 30px;
  }
  #contents .business_contents .scroll .scroll__target .img_c img {
    width: 90%;
  }
}