@media all and (min-width: 768px) and (max-width: 1200px) {
  .content .portfolio .pofo_imgslide {
    max-width: 540px;
  }
}
@media all and (max-width: 767px) {
  .content .maintext {
    font-size: 36px;
    line-height: 53px;
    text-align: center;
    width: 100%;
    /* height: 493px;  */
    background-image: url(./img/main_header_m.png);
    background-size: cover;
  }
  .content .comInfo .wrap {
    display: flex;
    flex-direction: column;
  }
  .content .comInfo {
    top: -50px;
  }
  .content .comInfo .square {
    width: 100%;
    padding: 15px;
  }
  .content .comInfo .square:last-child {
    width: 100%;
  }
  .content .comInfo .square:last-child .position {
    width: 100%;
    padding: 28px;
  }
  .content .subTitle {
    width: 100%;
    width: 100%;
    text-align: center;
    margin-left: 0;
    font-size: 18px;
  }
  .content .aboutUs .about_content {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 28px;
  }
  .content .aboutUs .about_content p {
    width: 100%;
    font-size: 16px;
    line-height: 27px;
  }
  .content .aboutUs .about_content .about_title {
    width: 100%;
    margin-left: 0px;
  }
  .content .aboutUs .about_img {
    flex-direction: column;
  }
  .content .aboutUs .about_img div:first-child {
    max-width: 100%;
  }
  .content .aboutUs .about_img div:last-child {
    max-width: 100%;
  }

  .content .technology .tech_content {
    text-align: center;
  }
  .content .technology .tech_content p {
    width: 100%;
    font-size: 16px;
    line-height: 27px;
  }
  .tech_img {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 14px;
  }
  .tech_img .tech_category {
    width: 100%;
    height: 250px;
    padding: 20px;
    background-size: cover;
  }
  .tech_category:last-child {
    top: 0;
  }
  .tech_img .tech_category .tech_cont {
    font-size: 20px;
    line-height: 30px;
  }
  .tech_img .tech_category .tech_btn a {
    width: 180px;
    padding: 10px;
    font-size: 18px;
    margin-top: 10px;
  }
  .content .portfolio .pofo_wrap {
    flex-direction: column;
    text-align: center;
  }
  .content .portfolio .pofo_content {
    width: 100%;
    gap: 28px;
    justify-content: center;
    align-items: center;
  }

  .content .portfolio .pofo_wrap p {
    width: 100%;
    font-size: 16px;
    line-height: 27px;
  }
  .content .portfolio .pofo_content .pofo_btn {
    padding: 10px 5px;
    font-size: 14px;
  }

  .content .portfolio .pofo_imgslide {
    max-width: 100%;
  }
  .content .portfolio .pofo_imgslide img {
    width: 100%;
  }
}