@media screen and (min-width: 1921px) {
  .wrap .inner_wrap {
    width: 45vh;
    height: 100vh;
    max-width: unset;
  }
}

@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;
  }

  /* 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;
  }

  /* free form guide */
  .free_form .guide_box .guide_title {
    padding-bottom: 20px;
  }
  .free_form .guide_box .guide_desc {
    padding-left: 15px;
    padding-right: 15px;
  }
  .free_form .guide_box .guide_desc > p {
    font-size: 12px;
  }

  .free_form .guide_box .guide_contents {
    padding: 0 20px;
  }

  /* 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;
  }

  /* **********this project only********** */
  /* .gnb-wrap {padding: 0.714rem 7.571rem;} */
  .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;}
  .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;
  }
}
/* 768px end */

/* 475px start */
@media screen and (max-width: 420px) {
  * {
    font-size: 3.89vw;
  }
  .intro_video.pc{
    display: none;
  }
  .intro_video.mobile{
    display: block;
  }
  /* **********this project only********** */
  .gnb .gnb-btn {left: 0;}
  .gnb .gnb-item span {
    font-size: 3.33vw;
  }

  .afterPlay {
    bottom: 40px;
  }
  .afterPlay .btn span {
    font-size: 5.238vw;
  }

  .modal_contents_box {flex-direction: column; align-items: center; height: 90%;}
  .modal_contents_box .contents_list {width: 100%; padding: 0 20px; margin: 20px 0;}
  .modal_contents_box.introduce {position: relative; top: 0; left: 0; transform: none;}
  .modal_contents_box.introduce, .modal_contents_box.online {position: relative; top: 0; left: 0; transform: translate(0, 0);}

  /* outro page */
  .contents.outro .message_title {
    font-size: 9.52vw;
  }
}

@media screen and (max-width: 375px) {

  /* default button style */
  .default_btn {
    padding: 3vw 6vw;
    font-size: 3.4vw;
  }

  .text_help_box {font-size: 3.2vw;}

  /* 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;
  }

  /* free form guide */
  .free_form .guide_box .guide_desc {
    padding-left: 5%;
    padding-right: 5%;
  }

  .free_form .guide_box .guide_contents {
    width: 56.66%;
  }

  /* 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%;
  }

  /* free_form */
  .free_form .guide_box .guide_contents {
    width: 75%;
  }
}

/* 280px end */