/* header */
header {
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 20;
}
.header_container {
  position: relative;
}
.header_wrap {
  position: relative;
  background-color: #fff;
  z-index: 4;
  box-shadow: 0px 5px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s;
}
.header_logo,
.header_menu,
.header_gnb {
  height: 90px;
}
.header_logo img {
  height: 45px;
}
.header_gnb > ul {
  width: 1000px;
  height: 100%;
}
.header_gnb > ul > li {
  width: 100%;
  height: 100%;
  position: relative;
  background-color: rgba(255, 255, 255, 0);
  transition: all 0.3s;
}
.header_gnb > ul > li::before {
  content: "";
  width: 0;
  height: 4px;
  position: absolute;
  bottom: 0;
  left: 0;
  background-color: #184fa0;
  z-index: 8;
  transition: all 0.3s;
}
.header_gnb > ul > li:hover::before {
  width: 100%;
  transition: all 0.3s;
}
.header_gnb > ul > li > a {
  color: #000;
  font-size: 18px;
  font-weight: 500;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  border-bottom: 4px solid transparent;
  transition: all 0.3s;
}
.header_gnb > ul > li > a.sub_gnb {
  color: #333;
}
.header_gnb > ul > li.active > a {
  color: #184fa0;
  font-weight: 500;
  border-bottom: 4px solid #184fa0;
}
.header_gnb > ul > li > a:hover {
  color: #184fa0;
  font-weight: 500;
}
.header_menu {
  position: relative;
  background-color: transparent;
  background-color: #184fa0;
  margin-left: 90px;
  cursor: pointer;
}
.header_menu > .header_menu_icon {
  padding: 10px;
  display: flex;
  align-items: center;
}
.header_menu > .header_menu_icon img {
  height: 2rem;
}
.header_menu > .header_menu_icon > span {
  color: #fff;
  font-size: 18px;
  font-weight: bold;
  line-height: 1em;
  display: block;
  margin-left: 10px;
}
.header_wrap_bottom {
  height: 90px;
}
.header_wrap_bottom .depth2_menu {
  width: 100%;
  height: 90px;
  display: flex;
  position: absolute;
  top: 0;
  left: 0;
  background-color: rgba(0, 0, 0, 0.6);
}
.header_wrap_bottom .depth2_menu > a {
  color: #fff;
  font-size: 18px;
  text-align: center;
  padding: 0 30px;
  display: block;
  position: relative;
  transition: all 0.15s;
}
.header_wrap_bottom .depth2_menu > a.active,
.header_wrap_bottom .depth2_menu > a:hover {
  color: #00a3e7;
}
.scroll {
  transform: translateY(0px) !important;
  transition: all 0.3s !important;
}
.header_main .header_wrap_bottom {
  display: none !important;
}
.header_m {
  display: none;
}
.header_depth_container {
  width: 100%;
  height: 0;
  position: absolute;
  top: 90px;
  left: 0;
  background-color: rgba(0, 0, 0, 0.6);
  overflow: hidden;
}
.header_depth_container > ul {
  width: 1000px;
  margin: auto;
}
.header_depth_container > ul > li {
  width: 100%;
  padding: 32px 0;
  border-right: 1px solid rgba(255, 255, 255, 0.3);
}
.header_depth_container > ul > li:first-child {
  border-left: 1px solid rgba(255, 255, 255, 0.3);
}
.header_depth_container > ul > li > a {
  color: #fff;
  font-size: 14px;
  text-align: center;
  padding: 13px 5px;
  display: block;
  word-break: keep-all;
  word-wrap: break-word;
}
.header_depth_container > ul > li > a.active,
.header_depth_container > ul > li > a:hover {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-position: under;
}

/* menu */
.header_menu_area {
  width: 100%;
  height: 530px;
  position: fixed;
  top: -100%;
  left: 0;
  z-index: 1000;
  opacity: 0;
}
.header_menu_wrap {
  position: relative;
  background-color: #fff;
}
.menu_logo {
  position: absolute;
  top: 80px;
  left: -200px;
}
.menu_logo img {
    width: 10rem;
}
.closeBtn_wrap {
  width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: flex-end;
  align-items: flex-end;
}
.closeBtn {
  width: 60px;
  height: 60px;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #184fa0;
  cursor: pointer;
}
.closeBtn > i {
  color: #fff;
  font-size: 25px;
}
.menu_container {
  width: 1200px;
  margin: 0 auto;
}
.menu_container .menu_top_box {
  padding: 80px 0 44px;
  background-repeat: no-repeat;
  background-position: right;
  margin-bottom: 45px;
  border-bottom: 1px solid #eaeaea;
}
.menu_top_box .top_box_title {
  color: #000;
  font-size: 36px;
  font-weight: bold;
  line-height: 1em;
  margin-bottom: 20px;
}
.menu_top_box .top_box_text {
  color: #868686;
  font-size: 16px;
  font-weight: 300;
  line-height: 1em;
}
.menu_top_box .top_box_text > span {
  color: #08c3c6;
}
.menu_container .menu_bot_box {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.menu_bot_box > div > .dep1_menu {
  color: #222;
  font-size: 18px;
  font-weight: bold;
  line-height: 1em;
  display: block;
  margin-bottom: 20px;
}
.menu_bot_box > div > ul > li > .dep2_menu {
  color: #7c7c7c;
  font-size: 16px;
  font-weight: 400;
  line-height: 1em;
  padding: 15px 0;
  display: block;
}
.m_header_menu_wrap,
.header_m,
.page_num {
  display: none !important;
}
.menu_back_cover {
    width: 100%;
    height: 100%;
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: 11;
}

/* 메인비주얼 */
.main_visual_video {
  height: 100vh;
  position: relative;
  overflow: hidden;
  background-color: #000;
}
.main_visual_video > iframe {
  width: 100vw;
  height: 56.25vw;
  position: absolute;
  top: 50%;
  left: 50%;
  min-height: 100vh;
  min-width: 177.77vh;
  transform: translate(-50%, -50%);
}
.main_visual_video > .iframe_div > iframe {
  width: 100vw;
  height: 56.25vw;
  position: absolute;
  top: 50%;
  left: 50%;
  min-height: 100vh;
  min-width: 177.77vh;
  transform: translate(-50%, -50%);
}
.main_visual_video > .iframe_bg {
  width: 100vw;
  height: 56.25vw;
  position: absolute;
  top: 50%;
  left: 50%;
  min-height: 100vh;
  min-width: 177.77vh;
  transform: translate(-50%, -50%);
  background-color: rgba(0, 0, 0, 0.1);
}
.main_visual_video .scroll_down {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
}
.main_visual_video .scroll_down > span {
  color: #fff;
  text-transform: capitalize;
}
.main_visual_video .scroll_down > img {
  color: #fff;
  animation: scrolldown infinite 2s ease-in-out;
  text-transform: capitalize;
  opacity: 0;
  margin-top: 15px;
}
.main_visual_text {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.main_visual_text > h1 {
  color: #fff;
  font-size: 90px;
  font-weight: bold;
  line-height: 60px;
  margin-bottom: 65px;
}
.main_visual_text span {
  color: #fff;
  font-size: 90px;
  font-weight: bold;
  line-height: 60px;
  font-family: "Nanum Myeongjo", serif;
  margin-bottom: 65px;
}
.main_visual_text > h2 {
  color: #fff;
  font-size: 28px;
  font-weight: 300;
  line-height: 43px;
  margin-bottom: 70px;
}
.main_visual_text > h2 > p {
  color: #fff;
  font-size: 32px;
  font-weight: 500;
  line-height: 43px;
  display: inline;
}
.main_visual_text .btn_more {
  color: #fff;
  font-size: 18px;
  width: 200px;
  height: 50px;
  border: 1px solid #fff;
  padding: 0px 25px;
  display: flex;
  transition: all 0.3s;
  opacity: 0;
}
.main_visual_text .btn_more:hover {
  color: #173d5f;
  border: 1px solid #173d5f;
  background-color: #fff;
  transition: all 0.3s;
}

@keyframes scrolldown {
  0% {
    transform: translateY(50%);
    opacity: 0.7;
  }
  50% {
    transform: translateY(0%);
    opacity: 0.2;
  }
  100% {
    transform: translateY(50%);
    opacity: 0.7;
  }
}

/* 섹션 1 사업영역 */
.business_wrap {
  padding: 100px 0 135px;
  background-color: #fff;
}
.business_swiper_wrap {
  margin-top: 70px;
}

.business_slide {
  width: 560px;
  height: 670px;
}
.business_slide_box {
  position: relative;
}
.business_slide_box .box_num {
  position: absolute;
  right: 35px;
  bottom: -20px;
}
.business_slide_box .box_num.first_num {
  right: 0px;
}
.business_slide_box .box_num > span {
  color: #fff;
  font-size: 240px;
  font-weight: 500;
  line-height: 1em;
  font-family: "NanumSquare", sans-serif;
  letter-spacing: -25px;
  position: relative;
  bottom: -300px;
  opacity: 0;
  transition: all 1s;
}
.business_slide_box .box_num > span:last-child {
  transition-delay: 0.4s;
}
.business_slide_info {
  width: 300px;
  height: auto;
  position: absolute;
  top: 40%;
  left: -300px;
  opacity: 0;
  transition: all 1s;
}
.business_slide_info .info_title {
  color: #000;
  font-size: 30px;
  font-weight: 300;
  line-height: 1em;
  padding-bottom: 12px;
  margin-bottom: 25px;
  border-bottom: 2px solid #000;
}
.business_slide_info .info_text {
  color: #555;
  font-size: 16px;
  font-weight: 300;
  line-height: 24px;
  padding-right: 40px;
  margin-bottom: 50px;
}
.business_slide_info .info_flex {
  display: flex;
  justify-content: flex-start;
  align-items: center;
}
.business_slide_info .business_prev,
.business_slide_info .business_next {
  color: #999;
  width: 65px;
  height: 65px;
  border: 1px solid #e6e6e6;
  position: unset;
  background-color: #fff;
  margin-top: 0;
  border-radius: 50%;
}
.business_slide_info .business_prev {
  margin-right: 10px;
}
.business_slide_info .business_prev::after,
.business_slide_info .business_next::after {
  display: none;
}
.business_slide_info .info_more_btn {
  color: #000;
  font-size: 16px;
  font-weight: 500;
  line-height: 1em;
  text-decoration: none;
  width: 170px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 10px;
  margin-top: 50px;
  border-bottom: 3px solid #000;
}
.business_slide_info .info_more_btn > i {
  font-size: 12px;
}
.swiper-slide-active .business_slide_box .box_num > span,
.swiper-slide-active .business_slide_info {
  opacity: 1;
}
.swiper-slide-active .business_slide_box .box_num > span {
  bottom: 0;
}

/* 섹션 2 배너 */
.aboutus_wrap {
  padding: 135px 0;
  background-image: url("../img/main/main_aboutus.jpg");
  background-repeat: no-repeat;
  background-size: cover;
}
.au_title_en {
  color: #000;
  font-size: 16px;
  font-weight: bold;
  line-height: 1em;
  text-align: center;
  margin-bottom: 20px;
}
.au_title_ko {
  color: #000;
  font-size: 48px;
  font-weight: 300;
  line-height: 60px;
  text-align: center;
  margin-bottom: 20px;
}
.au_text {
  color: #555;
  font-size: 18px;
  font-weight: 300;
  line-height: 32px;
  text-align: center;
}

/* 섹션 3 공지사항 */
.title_common .notice_en,
.title_common .notice_ko {
  color: #000;
}

.notice_wrap {
  padding: 135px 0;
  background-color: #fff;
}
.ns_widget {
  margin-top: 70px;
}
.notice_more_btn {
  color: #000;
  font-size: 16px;
  font-weight: bold;
  line-height: 1em;
  width: 240px;
  height: 60px;
  margin: 40px auto 0;
  border: 2px solid #000;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: all 0.3s;
}
.notice_more_btn:hover {
  color: #fff;
  border: 2px solid #184fa0;
  background-color: #184fa0;
}

/* 섹션 4 인증 허가내역 */
.certification_wrap {
  padding: 135px 0;
  background-image: url("../img/main/main_certification.jpg");
  background-repeat: no-repeat;
  background-size: 100%;
  background-attachment: fixed;
  background-size: cover;
}
.swiper_rel {
  position: relative;
  margin-top: 70px;
}
.swiper_rel .ct_next,
.swiper_rel .ct_prev {
  color: rgba(255, 255, 255, 0.5);
}
.swiper_rel .ct_next {
  right: -50px;
}
.swiper_rel .ct_prev {
  left: -50px;
}
.ct_swiper {
  position: static;
}
.ct_swiper .swiper-slide img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}
.ct_swiper .swiper-slide .img_cover {
  padding: 10px;
  background-color: rgba(0, 0, 0, 0.2);
}


/* gnb_location */
.gnb_location_m {
  display: none;
}
.gnb_location.gnb_location_pc {
  padding: 20px 30px;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  border-bottom: 1px solid #e5e5e5;
}
.gnb_location a,
.gnb_location i {
  color: #777;
}

/* 서브메뉴 */
.main_sub_menu {
  position: relative;
  background-color: #d2d3d4;
  z-index: 2;
}
.main_sub_menu_link {
  margin: 0 15px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.main_sub_menu_link > li {
  padding: 0;
}
.main_sub_menu_link > li > a {
  color: #333;
  font-size: 20px;
  font-weight: 500;
  line-height: 60px;
  text-align: center;
  width: 200px;
  display: block;
  background-color: #ededee;
  border-left: 1px solid #dcdcdc;
  border-right: 0;
  transition: all 0.2s;
}
.main_sub_menu_link > li.active > a,
.main_sub_menu_link > li > a:hover {
  color: #fff;
  background-color: #184fa0;
}
.main_sub_menu_link > li:last-child > a {
  border-right: 1px solid #dcdcdc;
}
.sub_main_title_wrap {
  color: #000;
  font-size: 32px;
  font-weight: 500;
  line-height: 1em;
  margin: 0 auto;
  padding: 80px 0 20px;
  display: table;
  border-bottom: 2px solid #000;
}

/* footer */
.footer_wrap {
  margin: auto;
  padding: 40px 0;
  background-color: #2a2a2a;
}
.footer_logo {
  text-align: center;
  margin-right: 80px;
}
.footer_logo img {
    width: 10rem;
    filter: brightness(0) invert(1);
}
.footer_text {
  color: #fff;
  font-size: 14px;
  font-weight: 400;
  line-height: 22px;
}
.footer_text > span {
  font-weight: bold;
}
.footer_text .footer_copy {
  color: #898989;
  font-weight: 300;
}

/* 플로팅 메뉴 */
.quick_contact_icon {
  display: flex;
  align-items: flex-end;
  position: fixed;
  right: 20px;
  bottom: 20px;
  border-radius: 5px;
  z-index: 100;
  flex-direction: column;
}
.quick_contact_icon div {
  width: 60px;
  height: 60px;
  position: relative;
  margin-bottom: 10px;
  border-radius: 30px;
  cursor: pointer;
}
.quick_contact_icon div > a {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}
.quick_contact_icon div > a span {
  display: none;
}
.quick_contact_icon div span {
  color: #fff;
  display: none;
}
.quick_contact_icon .brochure-quick {
  background-color: #6ec519;
}
.quick_contact_icon .coast-quick {
  background-color: #299ed2;
}
.quick_contact_icon .call-quick {
  background-color: #0f5098;
}
.quick_contact_icon .top_button {
  background-color: #5E5E5E;
}
.quick_contact_icon div.up img {
  animation: lalala infinite 1s;
}

@keyframes lalala {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-5px);
  }
  100% {
    transform: translateY(0px);
  }
}

.m_quick_contact_icon {
  display: none;
  align-items: flex-end;
  position: fixed;
  right: 15px;
  bottom: 120px;
  border-radius: 5px;
  flex-direction: column;
  z-index: 3;
}
.m_quick_contact_icon div {
  width: 50px;
  height: 50px;
  margin-bottom: 10px;
  border-radius: 30px;
  cursor: pointer;
}
.m_quick_contact_icon div > a {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}
.m_quick_contact_icon div span {
  color: #fff;
  display: none;
}
.m_quick_contact_icon .brochure-quick {
  background-color: #6ec519;
}
.m_quick_contact_icon .coast-quick {
  background-color: #299ed2;
}
.m_quick_contact_icon .call-quick {
  background-color: #0f5098;
}
.m_quick_contact_icon div.top_button {
  background-color: #5E5E5E;
  margin-bottom: 0;
}
.quick_contact_wrap {
  width: 400px;
  height: auto;
  border: 1px solid #202e5b78;
  position: fixed;
  right: 50px;
  bottom: 260px;
  background-color: #fff;
  border-radius: 5px;
  z-index: 20;
  overflow: hidden;
  transform-origin: right bottom;
  transform: scale(0.001);
  transition: all 0.3s;
}
.quick_contact_wrap .es_form * {
  font-size: 14px !important;
}
.quick_contact_wrap .es_row {
  flex-direction: column;
}
.quick_contact_wrap .contact-form {
  width: 100%;
  padding: 15px;
}
.quick_contact_wrap .esti_text {
  font-size: 14px;
  line-height: 20px;
  margin-bottom: 20px;
}
.quick_contact_wrap .agree_section {
  border: none !important;
  padding: 15px 0;
  margin-top: 0 !important;
  flex-direction: column;
}
.quick_contact_wrap .es_label {
  font-size: 14px;
  margin-bottom: 0px;
}
.quick_contact_wrap .es_label_last_tit {
  margin-bottom: 10px;
}
.quick_contact_wrap .es_row_add {
  margin-bottom: 0;
}
.quick_contact_wrap .es_row_add > div:first-child {
  margin-bottom: 10px;
}
.quick_contact_wrap .es_input {
  font-size: 14px;
  padding: 5px;
}
.quick_contact_wrap .es_sign_btn {
  font-size: 14px;
  padding: 10px 30px;
  margin-top: 15px;
}
.quick_contact_wrap .es_sign_btn_sub {
  font-size: 14px;
  padding: 10px 30px;
}
.quick_contact_wrap .file_info {
  margin-top: 5px;
}
.quick_contact_wrap .agree_section .agree_box {
  padding: 10px 20px;
}
.con_popup_sub {
  width: 100%;
}
.es_row_last {
  margin-bottom: 0 !important;
}
.es_sign_btn_sub {
  color: #fff;
  font-size: 18px;
  font-weight: bold;
  border: 0;
  padding: 15px 60px;
  background-color: #184fa0;
  border-radius: 30px;
}
.es_row {
    display: flex;
    margin-bottom: 20px;
}
.es_row > div:first-child {
    flex: 1;
}
.es_row > div:last-child {
    flex: 5;
}
.es_label {
    color: #000;
    font-size: 18px;
    font-weight: 500;
    line-height: 1em;
}
.es_label .essential_circle {
    width: 5px;
    height: 5px;
    display: block;
    background-color: #f0091a;
    border-radius: 50%;
    margin-right: 5px;
}
.es_label .essential_circle_none {
    width: 5px;
    height: 5px;
    display: block;
    background-color: transparent;
    margin-right: 5px;
}
.es_input {
    line-height: 2;
    border: 0 !important;
    border-bottom: 1px solid #c8c8c8 !important;
    border-radius: 0 !important;
}
.es_input:focus {
    border-bottom: 1px solid #222;
    box-shadow: none;
}
.email_and {
    margin: 0 5px;
}
.es_select {
    margin-left: 10px;
}
.file_info {
    color: #999;
    font-size: 14px;
    line-height: 1em;
    margin-top: 10px;
}
.agree_section {
    padding: 45px 0;
    margin-top: 45px;
    border-bottom: 1px solid #d5d5d5;
    border-top: 1px solid #d5d5d5;
}
.agree_section .agree_check {
    width: 20px;
    height: 20px;
    border: 1px solid #d5d5d5;
    margin-right: 8px;
    border-radius: 0;
}
.agree_section .agree_check_sub {
    width: 20px;
    height: 20px;
    border: 1px solid #d5d5d5;
    margin-right: 8px;
    border-radius: 0;
}
.agree_section .agree_box {
    color: #000;
    font-size: 14px;
    border: 1px solid #d5d5d5;
    padding: 12px 25px;
    margin-left: 30px;
}
.es_sign_btn {
    color: #fff;
    font-size: 18px;
    font-weight: bold;
    border: 0;
    padding: 15px 60px;
    background-color: var(--primary-color);
    margin-top: 50px;
    border-radius: 30px;
    transition: ease 0.2s;
}
.es_sign_btn:hover {
    background-color: #163259;
}
.con_popup {
    border: 1px solid #c4c4c4;
    padding: 40px;
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    background-color: #fff;
    transform: translate(-50%, -50%);
    z-index: 101;
}
.con_popup * {
    font-size: 15px;
    font-weight: 300;
    margin: 0;
}
.con_popup li {
    margin-bottom: 10px;
}
.con_popup li:last-child {
    margin: 0;
}
.con_popup h4 {
    color: #43434b;
    font-weight: 500;
}
.con_popup h5 {
    color: #9a9a9a;
    margin: 5px 0;
    word-break: keep-all;
}
.con_popup_cover {
    width: 100%;
    height: 100%;
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 100;
}
.con_popup_sub {
    width: 100%;
}

.is480show {
    display: none;
}

/* 미디어쿼리 */
@media (max-width: 1499px) {
  /* 허가 및 인증현황 슬라이드 */
  .permission_container {
    width: 100%;
    padding: 0 15px;
  }
  .swiper_rel .ct_next,
  .swiper_rel .ct_prev {
    display: none;
  }
}

@media (max-width: 991px) {
  .quick_contact_icon {
    display: none !important;
  }
  .main_visual_text > h1.custom {
    font-size: unset;
    line-height: normal;
    margin-bottom: 28px;
  }
  .m_quick_contact_icon {
    display: flex;
    bottom: 20px;
  }
  .main_container {
    width: 100%;
    padding: 0 15px;
  }
  .header_logo_m img {
    width: 150px !important;
    height: 40px;
  }

  /* header */
  .header_pc {
    display: none;
  }
  .header_sub .header_wrap {
    background-color: rgba(0, 0, 0, 0.1);
  }
  .header_logo,
  .header_menu,
  .header_gnb {
    height: 65px;
    margin: 0;
  }
  .header_logo_m {
    padding-left: 15px;
    padding-right: 0;
  }
  .header_logo_m img {
    width: 172px;
  }
  .m_header_menu {
    width: 65px;
    height: 65px;
    background-color: transparent;
  }
  .m_header_menu > img {
    width: 35px;
  }
  .m_header_menu_wrap {
    height: 100%;
    display: flex !important;
    background-color: #333;
  }
  .m_header_menu_area {
    width: 100%;
    height: 100%;
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 20;
  }
  .header_menu_area {
    display: none;
  }
  .header_m {
    display: block !important;
    box-shadow: 0px 5px 15px rgba(0, 0, 0, 0.09);
  }
  .page_num {
    color: #fff;
    font-size: 20px;
    display: block !important;
    position: absolute;
    bottom: 30px;
    left: 50%;
    z-index: 5;
    transform: translateX(-50%);
  }

  /* 모바일 메뉴 */
  .menu_contents {
    width: 100%;
    height: 100vh;
    padding: 70px 45px 0px;
    position: relative;
    background-color: #333;
    overflow-y: scroll;
  }
  .menu_contents > ul {
    height: 100%;
    display: flex;
    justify-content: flex-start;
    flex-direction: column;
    align-content: flex-start;
    flex-wrap: nowrap;
  }
  .menu_contents > ul > li {
    width: 100%;
    height: auto;
    padding-bottom: 50px;
  }
  .menu_contents > ul > li > span {
    color: #fff;
    font-size: 20px;
    font-weight: bold;
    width: 100%;
    display: block;
    position: relative;
    margin-bottom: 5px;
  }
  .menu_contents > ul > li > span::after {
    content: "";
    width: 30px;
    height: 3px;
    display: block;
    position: absolute;
    top: -7px;
    left: 0;
    background-color: #33abff;
  }
  .menu_contents > ul > li.active span {
    font-weight: bold;
  }
  .menu_contents > ul > li > a {
    color: #1f2a54;
    font-size: 14px;
    font-weight: 400;
    width: 100%;
    border: none;
    padding: 0;
    display: block;
    position: relative;
    margin-bottom: 5px;
  }
  .menu_contents > ul > li > a > span {
    color: #000;
  }
  .menu_contents > ul > li > ul {
    padding: 0;
  }
  .menu_contents > ul > li > ul > li {
    padding-left: 20px;
  }
  .menu_contents > ul > li > ul > li > a {
    color: #adadad;
    font-size: 16px;
    width: 100%;
    padding: 5px 0;
    display: block;
    padding-bottom: 0;
  }
  .m_closeBtn {
    color: #fff;
    font-size: 20px;
    width: 50px;
    height: 50px;
    padding: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: absolute;
    top: 0;
    right: 0;
  }

  /* main_visual */
  .main_visual_text {
    width: 80%;
    padding: 50px 0;
    left: 50%;
    transform: translate(-50%, -50%);
  }
  .main_visual_text > .text_box_title {
    font-size: 33px;
    line-height: 45px;
    text-align: center;
  }
  .main_visual_text > .text_box_title > p {
    font-size: 14px;
    line-height: 20px;
    margin-top: 15px;
  }
  .main_visual_text span {
    font-size: 2rem;
  }
  .main_visual_text > h2 {
    font-size: 1.375rem;
    line-height: 1.3;
  }
  .main_visual_text > h2 > p {
    font-size: 1.375rem;
  }

  /* 메인섹션 */
  .title_common .title_en {
    font-size: 14px;
    margin-bottom: 10px;
  }
  .title_common .title_ko {
    font-size: 30px;
  }

  /* 사업영역 */
  .business_wrap {
    padding: 50px 0;
  }

  .business_swiper_wrap {
    margin-top: 40px;
  }
  .business_slide {
    width: 90%;
    height: 100%;
  }
  .business_slide > .swiper-slide-shadow-left,
  .business_slide > .swiper-slide-shadow-right {
    background: none;
  }
  .business_slide_box {
    text-align: center;
  }
  .business_slide_box > img {
    width: 70%;
    opacity: 0.3;
    transition: all 1s;
  }
  .swiper-slide-active .business_slide_box > img {
    opacity: 1;
  }
  .business_slide_box .box_num {
    right: 16%;
    bottom: -5px;
  }
  .business_slide_box .box_num.first_num {
    right: 16%;
  }
  .business_slide_box .box_num > span {
    font-size: 90px;
    letter-spacing: -10px;
    bottom: 0;
  }
  .business_slide_info {
    width: 100%;
    position: unset;
    margin-top: 30px;
  }
  .business_slide_info .info_title {
    font-size: 24px;
    font-weight: 500;
    padding-bottom: 10px;
    margin-bottom: 10px;
  }
  .business_slide_info .info_text {
    font-size: 14px;
    line-height: 20px;
    padding-right: 0;
    margin-bottom: 0;
  }
  .business_slide_info .info_flex,
  .business_slide_info .info_more_btn {
    display: none;
  }

  /* 어바웃어스 */
  .aboutus_wrap {
    padding: 50px 0;
    background-image: url("../img/main/m_aboutus_back.jpg");
    background-size: 100% 100%;
  }
  .au_title_en {
    font-size: 14px;
    margin-bottom: 10px;
  }
  .au_title_ko {
    font-size: 30px;
    line-height: 40px;
  }
  .au_text {
    font-size: 14px;
    line-height: 24px;
  }

  /*  공지사항 */
  .notice_wrap {
    padding: 50px 0;
  }
  .notice_wrap .notice_container {
    padding: 0;
  }
  .ns_widget {
    margin-top: 40px;
  }
  .notice_more_btn {
    font-size: 14px;
    font-weight: 500;
    width: 150px;
    height: 45px;
    margin-top: 0;
  }

  /* 인증 허가내역 */
  .certification_wrap {
    padding: 50px 0;
    background-attachment: unset;
  }
  .swiper_rel {
    margin-top: 40px;
  }

  /* footer */
  .footer_wrap {
    text-align: center;
    padding: 20px 0;
    flex-direction: column;
  }
  .footer_logo {
    margin-right: 0;
  }
  .footer_logo > img {
    width: 100px;
    filter: brightness(0) invert(1);
  }
  .footer_logo > div {
    font-size: 12px;
    margin-top: 5px;
  }
  .footer_text {
    font-size: 12px;
    line-height: 20px;
    margin-top: 15px;
  }

  /* 서브 */
  .sub_section {
    padding-top: 65px;
  }
  /* .sub_visual_title_wrap{top: calc(50% - -21.25px);} */
  .gnb_location.gnb_location_pc {
    justify-content: center;
  }
  .sub_visual_title {
    font-size: 30px;
    margin-bottom: 0;
  }
  .sub_visual_text {
    display: none;
  }
  .sub_content {
    width: auto !important;
    padding: 0;
  }
  .sub_container {
    width: 100%;
    padding: 0 15px;
  }
  .main_sub_menu_link {
    display: none;
  }
  .sub_visual_menu_cover {
    display: block;
  }

  /* .sub_visual_txt{top: calc(50% - -21.25px);} */
  .sub_visual_txt {
    width: 100%;
  }
  .sub_visual_txt h2 {
    font-size: 40px !important;
  }
  .sub_visual_txt .line {
    width: 75px;
    margin: 10px auto;
  }
  .sub_visual_txt p {
    font-size: 16px;
    line-height: 18px;
  }
  .main_sub_menu {
    background-color: transparent;
    margin-top: -22.5px;
  }
  .submenu_drop .submenu_drop_btn {
    color: #000;
    font-size: 14px;
    font-weight: 500;
    line-height: 43px !important;
    text-align: left;
    background: #fff;
    width: 165px;
    height: auto !important;
    border: 1px solid #c8c8c8;
    padding: 0 15px !important;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-shadow: none;
    border-radius: 0;
    border-right: 0;
    transition: all 0.3s;
    box-shadow: none;
  }
  .submenu_drop .submenu_drop_btn.show {
    background: #fff;
  }
  .submenu_drop .submenu_drop_btn > i {
    font-size: 15px;
  }
  .submenu_drop .submenu_drop_btn_border {
    border-right: 1px solid #c8c8c8;
  }
  .dropdown-toggle::after {
    display: none;
  }
  .submenu_drop > ul {
    width: 100%;
    border: 1px solid #c8c8c8;
    padding: 0;
    border-radius: 0;
    border-top: 0;
    inset: unset !important;
    transform: none !important;
  }
  .submenu_drop > ul > li {
    border-bottom: 1px solid #c8c8c8;
  }
  .submenu_drop > ul > li:last-child {
    border-bottom: 0;
  }
  .submenu_drop > ul > li > a {
    color: #000;
    font-size: 14px;
    font-weight: 500;
    line-height: 1em;
    padding: 15px;
  }
  .submenu_drop > ul > li.active > a {
    color: #fff;
    background-color: #184fa0;
  }
  .submenu_drop > ul > li > a:active {
    background-color: #184fa0;
  }
  .sub_main_title_wrap {
    font-size: 24px;
    padding: 50px 0 15px;
  }
  .sub_content_container {
    padding: 40px 0;
  }
}

@media (max-width: 768px) {
    .main_visual_text span {
        font-size: 2rem;
    }
    .main_visual_text > h1.custom {
        font-size: unset;
        line-height: normal;
        margin-bottom: 28px;
    }
}

@media (max-width: 480px) {
    .main_visual_text span {
        font-size: 1.75rem;
        line-height: 1.5;
    }
    .main_visual_text > h1.custom {
        font-size: unset;
        line-height: normal;
        margin-bottom: 20px;
    }
    .main_visual_text > h1.custom > span {
        margin-right: 0.5rem;
    }
    .is480show {
        display: block;
    }
    .main_visual_text > h2 {
        font-size: 1.125rem;
        line-height: 1.2;
      }
      .main_visual_text > h2 > p {
        font-size: 1.125rem;
      }
}