@media screen and (max-width: 1024px){

    .development_block,
    .tempagency_block,
    .package_block {
      display: block;
    }

    .business_itsolution_img_right,
    .business_itsolution_img_left {
      width: 100%;
      height: 206px;
      object-fit: cover;
    }

    .right_block,
    .left_block {
      width: auto;
      margin: 20px 20px 0 20px;
    }

    .development_title_ja:before{
      content: "Development";
      color: #c8cddc;
      font-size: 40px;
      line-height: 44px;
      letter-spacing: 1px;
      display: block;
      position: relative;
      left: -4px;
    }
    
    .tempagency_title_ja:before{
      content: "Temp agency";
      color: #c8cddc;
      font-size: 40px;
      line-height: 44px;
      letter-spacing: 1px;
      display: block;
      position: relative;
      left: -4px;
      white-space: nowrap;
    }
    
    .package_title_ja:before{
      content: "Package";
      color: #c8cddc;
      font-size: 40px;
      line-height: 44px;
      letter-spacing: 1px;
      display: block;
      position: relative;
      left: -4px;
    }

    .development_title_ja,
    .tempagency_title_ja,
    .package_title_ja {
      font-size: 16px;
      font-weight: bold;
      color: #26428d;
      line-height: 12px;
      font-family: "YuGothic","Yu Gothic","Meiryo","ヒラギノ角ゴ",sans-serif;
    }

    .development_title_ja:after,
    .tempagency_title_ja:after,
    .package_title_ja:after {
      content: "";
      display: block;
      width: 20px;
      height: 2px;
      background: #26428d;
      margin-top: 15px;
      text-align: left;
    }

    .sentence {
      margin-top: 28px;
      color:#1d1d1d;
      font-size: 14px;
      line-height: 24px;
    }

    .sentence>li::before {
        position: relative;
        top: -2px;
        left: -18px;
        display: inline-block;
        width: 4px;
        height: 4px;
        content: '';
        border-radius: 100%;
        background: black;
    }

    .sentence>li {
      text-indent: 1rem;
    }
    
    .business_telework_img_left {
        width: 100%;
        height: auto;
        object-fit: cover;
        margin: 0;
    }

    .business_telework_img_left2,
    .president .proposal_ul {
      margin-left: 10%;
    }

    .design_support .support_box{
      margin-left: 10px;
      margin-right: 10px;
    }

    .design_support .support_box h5 {
      font-size: 20px;
      width: auto;
      letter-spacing: 3px;
      padding: 0;
      padding-left: 9px;
      line-height: 34px;
      border-left: solid 4px #3a69ab;
    }

    .design_support .support_box .support_listbox {
      padding-left: 0px;
      width: 100%;
    }

    h6 {
      padding: 26px 0 8px 0;
    }

    .telework_wrap .telework_box h6 {
      margin: 0 10px;
    }

    .telework_wrap .telework_box .gradation_btn{
      max-width: 300px;
    }
    
    .telework_btn div .text_box {
      margin-left: 40px;
    }
}

@media screen and (max-width: 750px) {
  .h5_mission2 div {
      letter-spacing: 4px;
      font-size: 28px;
  }

  .president {
      margin: 32px auto 0;
      -webkit-box-orient: vertical;
      -webkit-box-direction: normal;
      -ms-flex-direction: column;
      flex-direction: column;
      width: 90%;
      width: -webkit-calc(100% - 40px);
      width: calc(100% - 40px);
  }

  .business_telework_img_left,
  .business_telework_img_left2 {
      width: 100%;
      height: auto;
      object-fit: cover;
      margin: 0;
  }

  .text_box {
    display: inline-block;
    width: 100%;
    margin-left: 0px;
    vertical-align: top;
  }

  .design_support .support_box .support_listbox .proposal_ul {
    display: flex;
    justify-content: space-between;
  }

  .design_support .support_box .support_listbox ul {
    display: block;
  }

  .design_support .support_box .support_listbox .proposal_ul .proposal_box:nth-child(2n+1) {
    width: 50%;
  }

  .design_support .support_box .support_listbox .proposal_ul .proposal_box {
    padding: 0 0 20px 0;
  }

  .design_support .support_box .support_listbox .proposal_ul .proposal_box {
    width: 50%;
    padding: 0 0 30px 0;
  }

  .design_support .support_box .support_listbox .proposal_ul .proposal_box .proposal_wrap {
    text-align: left;
  }

  .design_support .support_box .support_listbox .proposal_ul .proposal_box .proposal_wrap .proposal_img {
    width: 95%;
  }

  .design_support .support_box .support_listbox .proposal_ul .proposal_box:nth-child(2n+1) .proposal_title {
    margin-right: 10%;
  }

  .president .proposal_ul {
    margin-left: 0;
  }

  .president .proposal_ul .proposal_box {
    width: 50%;
  }

  .president .proposal_ul .proposal_box .proposal_wrap .proposal_img {
    width: 95%;
  }

  .president .proposal_ul .proposal_box .proposal_wrap .proposal_title {
    margin-right: 10%;
  }

  .telework_btn {
    display: table;
    margin: auto;
  }

  .telework_wrap .telework_box .gradation_btn {
    max-width: 95%;
    height: 60px;
    line-height: 60px;
    margin-top: 20px;
    margin-left: 0;
  }

  .telework_wrap .telework_box .telework_btn div .gradation_btn {
    margin-left: 0;
  }

  .telework_btn div .text_box {
    margin-left: 0;
  }
}

@media screen and (max-width: 400px){
  .telework_btn {
    margin-left: 10px;
  }
}