/* */

#ctt .sec-inner {
  max-width: 1200px;
  margin: 0 auto;
}

#ctt .line-bottom {
  border-bottom: 1px solid #ccc !important;
}

/* 서브 비주얼 */

.sub-visual {
  position: relative;
  overflow: hidden;
  height: 470px;
}

.sub-visual .bg {
  height: 100%;
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  opacity: 1;
  transform: scale(1.3);
}

.sub-visual.active .bg {
  opacity: 1;
  transform: scale(1) rotate(0.01deg);
  transition: transform 5s ease 0.3s, opacity 2s ease 1s;
}

.sub-visual._introduction .bg {
  background-image: url(../img/page/visual_1.jpg);
}

.sub-visual._guide .bg {
  background-image: url(../img/page/visual_2.jpg);
}

.sub-visual._lecture .bg {
  background-image: url(../img/page/visual_3.jpg);
}

.sub-visual._data .bg {
  background-image: url(../img/page/visual_4.jpg);
}

.sub-visual._board .bg {
  background-image: url(../img/page/visual_5.jpg);
}

/* 모바일용 서브비주얼 배경 이미지 */
@media (max-width: 768px) {
  .sub-visual._introduction .bg {
    background-image: url(../img/page/m_visual_1.jpg);
  }

  .sub-visual._guide .bg {
    background-image: url(../img/page/m_visual_2.jpg);
  }

  .sub-visual._lecture .bg {
    background-image: url(../img/page/m_visual_3.jpg);
  }

  .sub-visual._data .bg {
    background-image: url(../img/page/m_visual_4.jpg);
  }

  .sub-visual._board .bg {
    background-image: url(../img/page/m_visual_5.jpg);
  }
}

.nav-online {
  display: none !important;
}

.inner {
  width: 1240px;
  margin: 0 auto;
}

.sub-visual .txt {
  opacity: 0;
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  color: #fff;
  text-align: center;
  -webkit-transform: translateY(-50%);
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  -o-transform: translateY(-50%);
  transform: translateY(-50%);
}

.sub-visual.active .txt {
  -webkit-mask-image: linear-gradient(
    -70deg,
    rgba(0, 0, 0, 0) 47.5%,
    rgba(0, 0, 0, 1) 52.5%
  );
  -webkit-mask-size: 250% 100%;
  animation: reveal 7s cubic-bezier(0.23, 1, 0.32, 1) both;
}

.sub-visual h2 {
  font-size: 54px !important;
  font-weight: 600;
}

/* */

.page-title {
  margin: 60px 0 15px;
  padding: 0 0 30px;
  border-bottom: 1px solid #d7d7d7;
}

/* category */

.nav-pills.d-flex.line-bottom {
  border-bottom: 1px solid #eee !important;
  column-gap: 15px;
}

/* 오시는 길 */

.ctt_direction ._1 iframe {
  width: 100%;
  height: 500px;
}

/* 카카오맵 주소 정보 숨기기 */
.root_daum_roughmap .section.section_address.lst {
  display: none !important;
}

.ctt_direction table {
  border-top: 1px solid #dee2e6;
}

.ctt_direction table th {
  background-color: #f1f1f1 !important;
  font-size: 18px;
  text-align: center;
}

.ctt_direction table td {
  padding: 15px 20px;
}

/* 공통 */

#ctt_con .line-bottom {
  border-bottom: 1px solid #d7d7d7 !important;
}

#ctt_con ._2 .grid > div {
  border: 1px solid #d7d7d7;
  background-color: #f1f1f1;
}

#ctt_con ._2 .grid > div em {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 41px;
  height: 41px;
  background-color: #0ca4e5;
  color: #fff;
  font-style: normal;
}

#ctt_con ._3 .grid > div .list-group-item {
  position: relative;
  margin: 4px 0 4px 20px;
  padding: 5px 20px 5px 35px;
  border: 2px solid #d7d7d7;
  font-size: 1rem;
  border-radius: 10px;
}

#ctt_con ._3 .dot-prefix {
  content: "";
  position: absolute;
  top: 15px;
  left: 20px;
  margin-right: 0.4rem;
  color: #555;
  width: 4px;
  height: 4px;
  background-color: #555;
  border-radius: 10px;
}

#ctt_con ._4 .card-title {
  font-weight: 600;
}

#ctt_con ._4 .grid .list-unstyled li {
  position: relative;
  padding: 1px 0 1px 20px;
  color: #666666;
}

#ctt_con ._4 .dot-prefix {
  content: "";
  position: absolute;
  top: 10px;
  left: 7px;
  margin-right: 0.4rem;
  color: #555;
  width: 4px;
  height: 4px;
  background-color: #555;
  border-radius: 10px;
}

/* */

@keyframes reveal {
  0% {
    -webkit-mask-position: 100%;
    opacity: 0;
  }

  100% {
    -webkit-mask-position: 0;
    opacity: 1;
  }
}

/* */

#site_config {
  position: relative;
  z-index: 30;
  border-bottom: 1px solid #eee;
  background-color: #fcfcfc;
}

#site_config .d-flex {
  max-width: 1200px;
  margin: 0 auto;
}

#site_config .me-icon {
  width: 60px;
  height: 60px;
  background-color: #0ca4e5;
  text-align: center;
  line-height: 60px;
}

#site_config .me-icon i {
  color: #fff;
}

#site_config .home {
  position: relative;
  width: 230px;
  height: 60px;
  border-right: 1px solid #eee;
  line-height: 60px;
}

#site_config .home > span {
  display: block;
  position: relative;
  z-index: 3;
  padding: 0 15px;
  font-size: 16px;
  color: #666;
  cursor: pointer;
}

#site_config .toggle_menu {
  position: absolute;
  left: 0;
  top: 100%;
  width: 100%;
  border: 1px solid #333;
  border-top: 0px;
  background-color: #fff;
}

#site_config .toggle_menu li {
  border-top: 1px solid #eee;
}

#site_config .toggle_menu li a {
  display: block;
  position: relative;
  padding: 16px 20px;
  font-size: 15px;
  line-height: 1em;
  color: #666;
  text-decoration: none;
  -webkit-transition: all 0.3s ease-out;
  -moz-transition: all 0.3s ease-out;
  -o-transition: all 0.3s ease-out;
  transition: all 0.3s ease-out;
}

#site_config .toggle_menu li a:hover {
  background-color: #0ca4e5;
  color: #fff;
}

#site_config .home.act:before {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  border: 1px solid #333;
  border-bottom: 0px;
}

#site_config .home.home2:after,
#site_config .home.home3:after {
  content: "";
  position: absolute;
  z-index: 1;
  right: 20px;
  top: 50%;
  width: 24px;
  height: 24px;
  margin-top: -12px;
  background-image: url("data:image/svg+xml,%0A%3Csvg xmlns='http://www.w3.org/2000/svg' height='24px' viewBox='0 -960 960 960' width='24px' fill='%23434343'%3E%3Cpath d='m357-384 123-123 123 123 57-56-180-180-180 180 57 56ZM480-80q-83 0-156-31.5T197-197q-54-54-85.5-127T80-480q0-83 31.5-156T197-763q54-54 127-85.5T480-880q83 0 156 31.5T763-763q54 54 85.5 127T880-480q0 83-31.5 156T763-197q-54 54-127 85.5T480-80Zm0-80q134 0 227-93t93-227q0-134-93-227t-227-93q-134 0-227 93t-93 227q0 134 93 227t227 93Zm0-320Z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  transform: rotate(180deg);
  -webkit-transition: all 0.3s ease-out;
  -moz-transition: all 0.3s ease-out;
  -o-transition: all 0.3s ease-out;
  transition: all 0.3s ease-out;
}

#site_config .home.act:after {
  transform: rotate(0deg);
}

/* 나의 강의실 */

._row_th {
  margin: 0 !important;
  padding: 10px 0;
  background-color: #f0f0f0;
}

._row_td {
  margin: 0 !important;
  padding: 10px 0;
  border-bottom: 1px solid #d9d9d9;
}
