@charset "UTF-8";
@media screen and (max-width: 768px) {
  #back-top {
    width: 50px;
    bottom: 23vw;
    right: 3%;
  }
  #back-top:hover {
    bottom: 23vw;
  }
  .contents_wrapper {
    padding-top: 0
  }
  .inner_main {
    border-radius: 0;
    padding-bottom: 5vw;
  }
  .header {
    display: none;
  }
  #sp_navi_wrapper .title_navi {
    font-size: 18px;
  }
  #sp_navi_wrapper .contents_nav {
    max-width: 100%;
    margin: 0 auto;
    padding-inline: 5%;
  }
  #sp_navi_wrapper .contents_nav::before {
    width: 50px;
    height: 45px;
    top: -3px;
    left: -3px;
  }
  #sp_navi_wrapper .nav_title {
    margin: 0 auto 8px;
    position: relative;
  }
  #sp_navi_wrapper .title_top {
    height: 44px;
  }
  #sp_navi_wrapper .nav_title a {
    padding: 12px 0 12px;
  }
  #sp_navi_wrapper .nav_title a::before {
    width: 13px;
    height: 20px;
    top: 11px;
    left: 0;
    transform: translateY(0);
  }
  #sp_navi_wrapper .nav_title::after {
    width: 100%;
    height: 20px;
    bottom: -17px;
    left: 0;
    background-size: 42px;
  }

  /* conts_concept */
  .conts_concept {

    .block_link.font-geist {
      font-size: min(calc(12vw* .2), 12px);
    }
    .box_concept {
      font-size: 4vw;
    }
  }
  /* conts_about */
  .conts_about {

    .sub_title {
      font-size: 4.5vw;
    }
  }
  /* conts_summary */
  .conts_summary {

    .block_detail dt {
      font-size: 4vw;
    }
    .list_link {
      font-size: 3.2vw;
    }
  }
}