@media screen and (max-width: 1023px) and (orientation: landscape) {
  .slide_modal.quration .modal_contents_box {width: 60vh;}
}
@media screen and (max-width: 1023px) {
  /* responsive */
  .pbr {
    display: none;
  }
  .mbr {
    display: block;
  }

  /* index_intro */
  .intro_title {
    height: 3.2rem;
  }

  /* intro_footer */
  .chrome_download {
    display: none;
  }

  header {
    width: auto;
    left: 50%;
    transform: translateX(-50%);
  }
  .gnb {
    width: 350px;
    max-width: initial;
  }

  /* modal setting */
  .modal_area .modal_btn_box {
    margin-top: 8px;
    flex-direction: column;
  }
  .modal_area .modal_btn_box .btn_box_item {
    display: flex;
    justify-content: space-between;
    margin-top: 10px;
    width: 100%;
  }
  .modal_area .modal_btn_box .btn_box_item * {
    font-size: 10px;
    line-height: 1.2;
  }
  .modal_btn_box .btn {
    padding: 8px 23px;
  }
  .modal_box {
    width: 340px;
    height: 360px;
    transform: translate3d(-50%, -60%, 0);
    border-radius: 5px;
  }
  .modal_scroll_box {
    height: 240px;
    max-height: none;
  }

  .modal_contents {
    padding: 25px 5px 48px 5px;
  }

  /* guide_box 공통 css */
  .modal_item .guide_box .guide_icon.pc {
    display: none;
  }

  .modal_item .guide_box .guide_icon.mob {
    display: block;
    margin-top: 20px;
    width: 100%;
  }

  .modal_item .guide_box .guide_title {
    padding: 10px 0;
    font-size: 16px;
  }

  .modal_item .guide_box .guide_desc {
    margin: 0 auto 20px;
    font-size: 12px;
  }

  .modal_guide {
    display: none !important;
  }

  /* interaction guide */

  .interaction .title {
    margin-top: 15px;
    margin-bottom: 30px;
    font-size: 14px;
  }

  .interaction .desc {
    padding: 0 5%;
    margin-bottom: 30px;
  }
  .interaction .desc p {
    font-size: 12px;
  }

  /* interaction guide */

  .interaction .guide_box .guide_icon .icon_box {
    padding: 0;
    width: 80%;
    margin: auto;
  }
  .interaction .guide_box .guide_icon .icon_img {width: auto;}
  .interaction .guide_box .guide_icon .icon_box img {
    width: 50px;
  }
  .interaction .guide_box .guide_icon .icon_box .icon_title {
    font-size: 10px;
  }
  .interaction .guide_box .guide_icon .icon_box .icon_desc {
    width: auto;
    font-size: 10px;
  }

  /* tour tip guide */

  .tour_tip .guide_box .guide_icon {
    width: 90%;
    height: 100%;
    position: static;
    transform: none;
    margin: 0 auto;
  }
  .tour_tip .guide_box .guide_icon .icon_box {
    padding: 0;
    margin-bottom: 30px;
    margin-top: 0;
    width: 100%;
  }
  .tour_tip .guide_box .guide_icon .icon_box img {
    width: 80%;
  }
  .tour_tip .guide_box .guide_icon .icon_box .icon_desc {
    font-size: 12px;
  }
  .tour_tip .modal_scroll_box {
    margin-top: 20px; 
    height: 230px;
    max-height: none;
  }

  /* only this project */
  .modal_custom.modal_item .guide_box .guide_icon.mob {
    height: 230px;
  }
  .interaction .desc {
    margin-top: 20px;
  }

  /* **********this project only********** */
  .modal_contents_box .contents_list {padding: 0 20px 0 0;}
  .modal_item .guide_box .guide_icon .icon_box .icon_title {font-size: 13px;}
}

/* 1023px end */

/* 768px */
@media screen and (max-width: 768px) {
  * {
    font-size: 14px;
  }
  /* index_intro */
  .intro_title_wrap {
    bottom: 20px;
    left: 20px;
  }
  .intro_title {
    height: 2.7rem;
  }
  .intro_desc p {
    font-size: 14px;
  }

  header .top_util-item {
    width: 24px;
    height: 24px;
  }

  /* **********this project only********** */
  .modal_contents_box {height: 90%;}
  .playList_title {display: none;}
  .flex_box {flex-direction: column; align-items: center;}
  .modal_contents_box .contents_list {width: 100%; padding: 0 20px; margin: 20px 0 60px;}
  .modal_contents_box .contents_cur_img {margin-left: 0;}
  .vr-player.bg_img img.pc{
    display: none;
  }
  .vr-player.bg_img img.mo{
    display: block;
  }
  .modal_contents_box .contents_left_box {margin-left: 0;}
  .quration_btn {position: absolute; bottom: 0; left: 0; width: 100%; padding: 0 20px; margin-bottom: 0;}
}
/* 768px end */

/* 475px start */
@media screen and (max-width: 475px) {
  * {
    font-size: 3.16vw;
  }
  .intro_video.pc{
    display: none;
  }
  .intro_video.mobile{
    display: block;
  }
  /* **********this project only********** */
  header {height: 45px;}
  .gnb {width: 73.68vw;}
  .gnb-wrap {padding: 2.1vw;}
  .gnb .gnb-btn {left: 0;}
  .gnb .gnb-item a .header_icon {width: 20px; height: 20px;}
  .gnb .gnb-item a span {font-size: 2.95vw;}
  .modal_contents_box {flex-direction: column; align-items: center; height: 90%;}
  .modal_contents_box .contents_list {width: 100%; padding: 0 20px;}
  .modal_contents_box .each_cont_box .each_cont_time img {width: 15px; height: 15px;}

  .modal_contents_box .contents_left_box {width: auto;}
  .slide_modal.quration .modal_contents_box {width: 90%;}
  .slide_modal.quration .quration_title p {font-size: 3.37vw;}
  .quration_btn button {padding: 2.11vw 0;}

  
}

@media screen and (max-width: 360px) {

  /* default button style */
  .default_btn {
    padding: 3vw 6vw;
    font-size: 3.4vw;
  }
  /* index_intro */
  .intro_title_wrap {
    bottom: 10px;
    left: 10px;
  }
  .intro_title {
    height: 11vw;
  }
  .intro_desc {
    padding: 2.5vw 0 3vw 0;
  }
  .intro_desc p {
    font-size: 3.4vw;
  }

  /* modal setting */
  .modal_box {
    width: 94%;
    height: 360px;
  }
  
  /* this project only */
  .modal_contents_box .contents_list {padding: 0 10px;}
  .modal_contents_box .contents_cur_img {width: auto;}
  .modal_contents_box .each_cont_box {width: 90%;}
  .modal_contents_box .each_cont_box .each_cont_time {font-size: 3.89vw;}
  .modal_contents_box .contents_list .equalizer_icon {margin-right: 10px;}
}
/* 360px end */

@media screen and (max-width: 280px) {
  .modal_box {
    width: 92%;
  }

  .modal_contents {
    padding: 30px 8px 43px 8px;
  }

  /* interaction guide */
  .interaction .guide_box .guide_icon .icon_box {
    margin-bottom: 10px;
    width: 100%;
  }

  /* tour tip guide */
  .tour_tip .guide_box .guide_icon {
    width: 60%;
  }
}

/* 280px end */