/* about */
.cont_about .wrap_visual {
  background-image: url("../../images/about.jpg");
}

/* about - snb */
.list_snb li {
  flex: 1;
  max-width: 260px;
}

.list_snb li .btn_large {
  width: 100%;
}

/* nav snb : 오른쪽 고정 네비 */
.wrap_nav {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
}

.wrap_nav .list_nav {
  text-align: right;
  font-weight: 800;
  font-size: 18px;
  color: #ccc;
}

.wrap_nav .list_nav.type_dark li.on a,
.wrap_nav .list_nav.type_dark li:hover a {
  background-color: #fff;
}

.wrap_nav .list_nav li {
  position: relative;
  width: auto;
  height: 24px;
  line-height: 24px;
  box-sizing: border-box;
}

.wrap_nav .list_nav li a {
  display: inline-block;
  padding-right: 48px;
  padding-left: 8px;
}

.wrap_nav .list_nav li a::after {
  content: "";
  display: none;
  position: absolute;
  right: 0;
  top: 50%;
  width: 40px;
  height: 2px;
  background-color: #ccc;
  margin-top: -1px;
}

.wrap_nav .list_nav li .txt_num {
  display: block;
}

.wrap_nav .list_nav li .txt_on {
  display: none;
}

.wrap_nav .list_nav li + li {
  margin-top: 24px;
}

.wrap_nav .list_nav li.on,
.wrap_nav .list_nav li:hover {
  color: #000;
}

.wrap_nav .list_nav li.on a,
.wrap_nav .list_nav li:hover a {
  background-color: #fff;
}

.wrap_nav .list_nav li.on a::after,
.wrap_nav .list_nav li:hover a::after {
  display: block;
  background-color: #000;
}

.wrap_nav .list_nav li.on .txt_num,
.wrap_nav .list_nav li:hover .txt_num {
  display: none;
}

.wrap_nav .list_nav li.on .txt_on,
.wrap_nav .list_nav li:hover .txt_on {
  display: block;
}

/* about - introduction */
.doc-main .wrap_intro {
  max-width: inherit;
}

.wrap_intro [class*="area_"] {
  max-width: 1200px;
  margin: 0 auto;
}

.wrap_intro .area_greet {
  max-width: 996px;
  padding: 0;
  margin-bottom:140px;
}

.area_greet .tit_greet {
  font-weight: 700;
}

.area_greet .desc_txt {
  display: block;
  margin-top: 40px;
  width: 100%;
}

.area_greet .box_greet {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 50px;
  margin-top: 50px;
}

.area_greet .thumb_fig {
  margin: 6px 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.area_greet .img_thumb {
  width: 282px;
  height: 504px;
  vertical-align: top;
}

.area_greet .tit_thumb {
  font-size: 18px;
}

.area_greet .tit_thumb b {
  font-weight: 700;
}

.area_greet .thumb_desc {
  flex: 1;
  flex-shrink: 0;
  max-width: 564px;
  font-size: 16px;
  line-height: 27px;
  letter-spacing: -2%;
  text-align: left;
}

.area_greet .desc_thumb + .desc_thumb {
  margin-top: 27px;
}

.wrap_intro .area_purpose,
.wrap_intro .area_diagram {
  max-width: inherit;
}

.area_purpose {
  height: 470px;
  padding: 100px 0;
  box-sizing: border-box;
  background: url("../../images/purpose.png") no-repeat 50% 50% / cover;
  color: #fff;
}

.area_purpose .desc_txt {
  margin-top: 30px;
  font-size: 18px;
  line-height: 30px;
}

.wrap_intro .area_history {
  max-width: 996px;
  padding: 100px 0;
  box-sizing: border-box;
}

.area_history .list_history {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 50px;
  margin-top: 50px;
}

.area_history .item_depth1 {
  display: flex;
  gap: 158px;
}

.area_history .txt_year {
  flex: none;
  display: block;
  width: 200px;
  margin-top: 15px;
  font-size: 40px;
  font-weight: 700;
  line-height: 40px;
  text-align: right;
  color: #313131;
}

.area_history .item_depth2 {
  display: flex;
  align-items: flex-start;
  position: relative;
}

.area_history .item_period::after {
  display: block;
  position: absolute;
  left: 17px;
  top: 56px;
  width: 1px;
  height: 100%;
  background-color: #313131;
  transform: translateX(-50%);
  content: "";
}

.area_history .item_depth2 .txt_num {
  flex: none;
  display: block;
  width: 34px;
  height: 34px;
  padding: 8px 0;
  margin-top: 22px;
  border-radius: 50%;
  font-size: 15px;
  line-height: 1.2;
  text-align: center;
  color: #fff;
  background-color: #313131;
  box-sizing: border-box;
}
.area_history .item_depth2 .txt_num.txt_all {
  border: 1px solid #ccc;
  font-size: 13px;
  line-height: 18px;
  color: #000;
  background-color: transparent;
}

.area_history .item_depth2 .txt_eng {
  flex: none;
  width: 60px;
  margin-left: 30px;
  font-size: 18px;
  font-weight: 800;
  line-height: 4;
  color: #d6d6d6;
}

.area_history .list_depth3 {
  padding: 24px 10px 10px;
  margin-left: 50px;
}

.area_history .list_depth3 li {
  display: flex;
  align-items: center;
  font-size: 18px;
  line-height: 24px;
  text-align: left;
}

.area_history .list_depth3 li + li {
  margin-top: 28px;
}
.area_history .btn_more {
  height: 24px;
  margin: 50px auto 0;
  font-size: 16px;
}

.area_history .btn_more::after {
  display: inline-block;
  width: 24px;
  height: 24px;
  background: url("data:image/svg+xml,%3Csvg width='24' height='24' viewBox='0 0 24 24' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M17 9.5L12.5182 14.2702C12.4504 14.343 12.3697 14.4008 12.2807 14.4403C12.1918 14.4797 12.0964 14.5 12 14.5C11.9036 14.5 11.8082 14.4797 11.7193 14.4403C11.6303 14.4008 11.5496 14.343 11.4818 14.2702L7 9.5' stroke='black' stroke-miterlimit='10' stroke-linecap='round'/%3E%3C/svg%3E%0A") no-repeat 50% 50% / cover;
  vertical-align: top;
  content: "";
}

.area_history .btn_more[aria-expanded="true"]::after {
  transform: rotate(180deg);
}

.area_diagram {
  padding: 100px 0;
  background-color: #f8f8f8;
}

.area_diagram .img_diagram {
  margin: 40px auto 0;
  width: 1440px;
}

.area_business {
  padding: 110px 0 90px;
}

.area_business .item_business {
  width: 792px;
  margin: 50px auto 0;
  text-align: center;
}

.area_business .item_business .box_cnt {
  display: flex;
  flex-direction: column;
  justify-content: center;
  margin-left: 8px;
  padding: 34px 0 34px 34px;
  box-sizing: border-box;
}

.area_business .item_business .tit_cnt {
  font-weight: 700;
  font-size: 24px;
  line-height: 32px;
}

.area_business .item_business .desc_cnt {
  margin-top: 10px;
  font-size: 18px;
  word-break: keep-all;
}

/* about - vision */
.cont_about .wrap_vision {
  margin-bottom: 120px;
}

.wrap_vision {
  height: 400px;
  padding: 145px 0;
  box-sizing: border-box;
  background: url("../../images/vision.png") no-repeat 50% 50% / cover;
  color: #fff;
}

.wrap_vision .desc_txt {
  margin-top: 30px;
  font-size: 20px;
}

/* about - mission */
.doc-main .wrap_mission {
  max-width: inherit;
}

.wrap_mission {
  margin: 0;
  background-color: #232b30;
}

.wrap_mission .inner_wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 100px 0 120px;
  color: #fff;
}

.list_mission {
  display: flex;
  flex-wrap: wrap;
  width: 792px;
  margin: 40px auto 0;
}

.list_mission .item_mission {
  width: 384px;
  height: 380px;
  padding: 268px 0 0 28px;
  box-sizing: border-box;
  background-repeat: no-repeat;
  background-size: cover;
  font-weight: 500;
  font-size: 24px;
  text-align: left;
  vertical-align: bottom;
}

.list_mission .item_mission:nth-child(1) {
  background-image: url("../../images/mission1.png");
}

.list_mission .item_mission:nth-child(2) {
  background-image: url("../../images/mission2.png");
}

.list_mission .item_mission:nth-child(3) {
  background-image: url("../../images/mission3.png");
}

.list_mission .item_mission:nth-child(4) {
  background-image: url("../../images/mission4.png");
}

.list_mission .item_mission:nth-child(2) {
  margin-left: 24px;
}

.list_mission .item_mission:nth-child(3) {
  margin-top: 30px;
}

.list_mission .item_mission:nth-child(4) {
  margin-left: 24px;
  margin-top: 30px;
}

/* about - people */
.wrap_people {
  padding: 100px 0 50px;
}

.list_people {
  display: flex;
  flex-wrap: wrap;
  width: 994px;
  margin: 40px auto 0;
}

.list_people > .item_people:nth-child(3n + 2) {
  margin-left: 38px;
}

.list_people > .item_people:nth-child(3n + 3) {
  margin-left: 38px;
}

.item_people {
  width: 306px;
  height: 570px;
  margin-bottom: 60px;
  padding: 0 20px 0 40px;
  box-sizing: border-box;
  font-size: 16px;
}

.item_people.on > * {
  transform: translateY(0);
  opacity: 1;
}

.item_people > * {
  transform: translateY(150px);
  opacity: 0;
  transition: all 0.5s;
}

.item_people img {
  width: 246px;
  height: 290px;
}

.item_people .group_txt {
  padding-left: 10px;
}

.item_people .group_txt > * {
  display: block;
  text-align: left;
}

.item_people .txt_name {
  margin-top: 44px;
  font-weight: 700;
  font-size: 24px;
}

.item_people .txt_job {
  margin-top: 5px;
  font-size: 14px;
}

.item_people .txt_comment {
  margin-top: 17px;
  line-height: 30px;
}

.item_people .list_tags {
  display: flex;
  margin-top: 15px;
}

.item_people .list_tags .txt_tag {
  color: rgba(51, 51, 51, 0.6);
}

.item_people .list_tags .txt_tag + .txt_tag {
  margin-left: 2px;
}

/* Mobile - about */
@media only screen and (max-width: 768px) {
  .mobile_about {
    padding: 0 24px;
  }

  /* about - snb */
  .wrap_nav {
    display: none;
  }

  .tit_txt {
    font-size: 24px;
    line-height: 20px;
  }

  .cont_about .wrap_snb {
    margin: 0 -24px;
  }

  /* Introduction - 이사장 인사말 */

  .area_greet .thumb_fig {
    flex-direction: column-reverse;
  }

  .area_greet .box_greet {
    display: block;
    padding: inherit;
    margin-top: 0;
  }

  .area_greet .desc_txt {
    display: none;
  }

  .area_greet .img_thumb {
    display: none;
  }

  .m_img_thumb {
    display: block !important;
    width: 100%;
    margin-top: 15px;
  }

  .tit_thumb b {
    font-weight: 400;
  }

  .mobile_greet {
    margin-top: 24px;
    display: block;
    font-size: 15px;
    font-weight: bold;
  }

  .area_greet .thumb_desc {
    margin-top: 24px;
    margin-left: auto;
    letter-spacing: -0.78px;
  }

  .wrap_intro .area_greet {
    margin-bottom: 106px;
  }

  .wrap_intro .area_purpose,
  .wrap_intro .area_diagram {
    margin: 0 -24px;
  }

  /* Introduction - 설립취지 */
  .area_purpose .desc_txt {
    font-size: 16px;
    margin-top: 32px;
    line-height: 26px;
    letter-spacing: -0.2px;
  }

  .area_purpose {
    padding: 70px 24px;
    height: 100%;
    background: url("../../images/m_foundation_2x.jpg") no-repeat 50% 50% / cover;
  }

  /* Introduction - 연혁 */
  .wrap_intro .area_history {
    padding: 76px 0;
  }

  .area_history .list_history {
    flex-direction: column;
    margin-top: 20px;
    padding: 0;
  }

  .area_history .item_depth1 {
    flex-direction: column;
    gap: 0;
  }

  .area_history .txt_year {
    position: static;
    font-size: 18px;
    line-height: 20px;
    padding-left: 26px;
    display: flex;
  }

  .area_history .item_depth2 {
    margin-top: 22px;

    line-height: 18px;
    display: flex;
    flex-direction: column;
  }

  .area_history .item_depth2 + .item_depth2 {
    margin-top: 34px;
  }

  .area_history .list_depth2 {
    padding-left: 26px;
  }

  .area_history .list_depth3 {
    margin-top: 12px;
    padding: 0;
    margin-left: 44px;
  }

  .area_history .list_depth3 li {
    margin-top: 0;
    letter-spacing: -1px;
    font-size: 15px;
  }

  .area_history .list_depth3 li + li {
    margin-top: 10px;
  }

  .area_history .item_depth2 .txt_eng {
    width: auto;
    margin-left: 46px;
    margin-top: 4px;
    font-size: 14px;
    line-height: 20px;
  }
  .area_history .item_depth2::after {
    left: 14px;
    top: 30px;
    height: calc(100% + 4px);
  }

  .area_history .item_depth2 .txt_num {
    position: absolute;
    width: 30px;
    height: 30px;
    padding: 0;
    margin-top: 0;
    font-size: 14px;
    line-height: 30px;
  }

  .area_history .item_depth2 .txt_num.txt_all {
    font-size: 12px;
    line-height: 28px;
    color: #000;
    background-color: transparent;
}

  /* Introduction - 조직도 */
  .area_diagram {
    padding: 76px 66px;
  }
  .area_diagram .img_diagram {
    display: none;
  }

  .tit_diagram {
    font-size: 16px;
    line-height: 30px;
    margin-top: 20px;
    padding: 6px 0;
    border: 1px solid #cccccc;
    border-radius: 40px;
    color: black;
    background-color: white;
  }

  .tit_diagram.item_depth1 {
    margin-top: 48px;
    color: white;
    background-color: #232b30;
  }

  .tit_diagram.item_depth2 {
    color: white;
    background-color: #596973;
  }

  .list_diagram li {
    margin-top: 16px;
    font-size: 16px;
    line-height: 16px;
    color: black;
  }

  /* Introduction - 사업내용 */
  .area_business {
    padding: 76px 0 84px;
  }

  .area_business .item_business {
    width: 100%;
    flex-direction: column-reverse;
    margin-top: 40px;
  }

  .area_business .item_business .box_cnt {
    padding: 0;
    margin-left: 0;
  }

  .area_business .item_business .desc_cnt {
    letter-spacing: -0.4px;
    margin-top: 6px;
    font-size: 15px;
  }

  .area_business .item_business .tit_cnt {
    font-size: 18px;
  }

  .img_thumb {
    margin-top: 15px;
    height: 200px;
  }

  /* Vision */
  .wrap_vision {
    padding: 130px 0px;
    height: auto;
    background: url("../../images/m_vision_2x.png") no-repeat 50% 50% / cover;
  }

  .cont_about .wrap_vision {
    margin-bottom: auto;
  }

  .wrap_vision .desc_txt {
    font-size: 16px;
  }
  /* Mission */
  .list_mission .item_mission:nth-child(1) {
    background-image: url("../../images/m_mission_01_2x.jpg");
  }

  .list_mission .item_mission:nth-child(2) {
    background-image: url("../../images/m_mission_02_2x.jpg");
  }

  .list_mission .item_mission:nth-child(3) {
    background-image: url("../../images/m_mission_03_2x.jpg");
  }

  .list_mission .item_mission:nth-child(4) {
    background-image: url("../../images/m_mission_04_2x.jpg");
  }

  .list_mission {
    margin: 0 24px;
    flex-direction: column;
    width: auto;
  }

  .list_mission .item_mission:nth-child(2) {
    margin-top: 20px;
    margin-left: 0;
  }
  .list_mission .item_mission:nth-child(3) {
    margin-top: 20px;
  }

  .list_mission .item_mission:nth-child(4) {
    margin-top: 20px;
    margin-left: 0;
  }

  .list_mission .item_mission {
    width: 100%;
    height: 140px;
    padding: 16px;
    font-size: 18px;
    line-height: 24px;
    font-weight: bold;
    background-position: 0 24%;
    border-radius: 8px;
    display: flex;
    align-items: flex-end;
  }

  .list_mission .item_mission:first-child {
    margin-top: 32px;
  }

  /* People */
  .wrap_people {
    padding: 80px 0;
  }

  .list_people {
    width: 100%;
  }

  .item_people {
    width: calc(100% / 2);
    padding: 0 24px 30px;
    font-size: 12px;
    height: 100%;
    margin-bottom: 0;
    text-align: left;
  }

  .item_people .group_txt {
    padding-left: 6px;
  }

  .item_people .txt_name {
    margin-top: 20px;
    font-size: 18px;
  }
  .item_people .txt_job {
    font-size: 12px;
    line-height: 20px;
    margin-top: 6px;
    letter-spacing: -0.3px;
  }

  .item_people .txt_comment {
    margin-top: 10px;
    font-size: 14px;
    line-height: 20px;
  }

  .item_people .list_tags {
    display: flex;
    flex-direction: column;
    margin-top: 10px;
  }

  .item_people .list_tags .txt_tag {
    font-size: 14px;
    line-height: 21px;
  }

  .item_people .list_tags .txt_tag + .txt_tag {
    margin-left: 0;
  }

  .item_people img {
    width: 139px;
    height: auto;
    margin-top: 15px;
  }
  .list_people > .item_people:nth-child(3n + 2) {
    margin-left: 0;
  }

  .list_people > .item_people:nth-child(3n + 3) {
    margin-left: 0;
  }
}