@media all and (max-width: 1279px) {
  .header_bottom_logo {
    width: 80px;
  }

  .menu_list,
  .lang_list {
    margin-right: 0px;
  }
  .lang_list {
    margin-left: 0;
  }
  .newsBtn,
  .portfolioBtn {
    bottom: -50px;
    right: initial;
    left: 24px;
  }
  .txt_title_main {
    font-size: 44px;
    line-height: 1.0909090909;
    font-weight: 700;
    letter-spacing: -0.014em;
  }
  .txt_con_sub {
    font-size: 17px;
    line-height: 1.2353641176;
    font-weight: 600;
    letter-spacing: -0.037em;
  }
  .container {
    padding: 0 24px;
  }
  .keyvisual {
    padding: 62px 0;
  }
  .keyvisual_title {
    margin-bottom: 18px;

    margin: 0 auto;
    margin-bottom: 18px;
  }
  .keyvisual_title-kr {
    max-width: 260px;
  }
  .nav_con {
    padding: 0;
  }
  /* news */
  .news,
  .portfolio {
    margin-bottom: 125px;
  }
  .news_label_con {
    flex-direction: column;
    max-width: 375px;
    justify-content: space-evenly;
  }
  .news_label {
    height: 288px;
  }
  .news_text_h {
    font-size: 21px;
    text-align: center;
  }
  .news_more {
    font-size: 17px;
    line-height: 1.1764805882;
    font-weight: 500;
    letter-spacing: -0.022em;
  }
  .news_con,
  .portfolio_con {
    padding: 0;
  }
  .news_vid,
  .portfolio_vid {
    height: 500px;
  }
  .newsvideo,
  .portfoliovideo,
  .thirdvideo {
    height: 500px;
    object-fit: cover;
  }
  .news_slide_content {
    width: 241px !important ;
  }
  .news_slide_content_img {
    height: 136px;
    border-radius: 10px;
  }
  .video_con {
    margin-bottom: 30px;
    padding: 0 24px;
  }
  .news_slide_con {
    width: calc(261px * 12);
  }
  .video_head,
  .video_title_text {
    margin-bottom: 10px;
  }
  .video_head {
    width: 220px;
  }
  .video_title {
    flex-direction: column;
    align-items: flex-start;
  }
  .video_title_text_h {
    font-size: 24px;
    line-height: 1.1666666667;
    font-weight: 700;
    letter-spacing: 0.022em;
  }
  /* portfolio */
  .portfolio_slide_content {
    width: 132px;
    height: auto;
  }
  .portfolio_slide_content_img {
    height: 132px;
    border-radius: 10px;
  }
  .portfolio_slide_con {
    width: calc(152px * 21);
  }
 /* cloud */
.cloud_con {
    height: 90vh;
    margin-top: -10vh;
}



  /* realm */
  .realm_con {
    max-width: 500px;
    display: none;
  }
  .txt_title_sub {
    font-size: 24px;
    line-height: 1.1666666667;
    font-weight: 700;
    letter-spacing: 0.022em;
  }
  .realm_texts_p br {
    display: none;
  }
  .realm_slide_content_text_p {
    font-size: 19px;
    line-height: 1.05;
    font-weight: 600;
    letter-spacing: 0.012em;
  }
  .realm_slide_content {
    padding: 0 26px;
    height: 136px;
  }
  .realm_slide_content:nth-child(2n-1) {
    width: 243px;
  }
  .realm_slide_content:nth-child(2n) {
    width: 243px;
  }
  .realm_slide_content_img {
    display: none;
  }
  .realm_slide_con {
    max-width: initial;
    width: calc(253px * 12);
    padding: 0;
    display: flex;
    gap: 20px;
    animation: realm 40s infinite linear;
  }
  /* orga */
  .orga {
    margin-bottom: 65px;
  }
  .orga_title {
    margin-bottom: 20px;
  }
  .orga_title_h {
    text-align: center;
  }
  .orga_logo_list {
    width: 25%;
    max-width: 50px;
  }
  /* company */
  .company {
    padding: 60px 0;
    margin-bottom: 0;
  }
  .company_title_h {
    font-size: 40px;
    letter-spacing: 0em;
  }
}
@media all and (max-width: 768px) {
  .header_bottom_cs_btn {
    display: none;
  }
}
@media all and (max-width: 640px) {
  .kievisual_con {
    padding: 0 24px;
  }
  .company_imgs {
    flex-direction: column;
  }
  .footer_info_list {
    text-align: center;
  }
  .footer_info_list span {
    font-size: 11px;
  }
  .keyvisual_text_p br,
  .realm_texts_p br {
  
  }
  .swiper-button-next:after,
  .swiper-button-prev:after {
    font-size: 12px !important;
    color: #bbbbbb;
  }
  .swiper-button-next {
    z-index: 10;

    right: 0 !important;
  }
  .navUl {
    z-index: 9;
  }
  .swiper-button-prev {
    z-index: 10;
    left: 0 !important;
  }
  .nav_con {
    max-width: 100%;
  }
  .swiper-button-prev,
  .swiper-button-next {
    display: flex !important;
    height: 100% !important;
    top: 68% !important;
    transform: translate(0, -50%) !important;
    background-color: #f9f9fa;
  }
}