/* 레이아웃 */
body {
  background: url(../img/header_bg.jpg) repeat-x center top;
}
#nav {
  background-color: #f6fdff;
}
#title {
  background-color: #eaf7fd;
}
#contents .container {
  position: relative;
  border-right: 1px solid #dbdbdb;
  border-left: 1px solid #dbdbdb;
}
#cont_left {
  float: left;
  width: 250px;
}
#cont_center {
  overflow: hidden;
  min-height: 1300px;
  margin-right: 250px;
  border-right: 1px solid #dbdbdb;
  border-left: 1px solid #dbdbdb;
}
#cont_right {
  position: absolute;
  right: 0;
  top: 0;
  width: 250px;
}
#footer {
  border-top: 1px solid #dbdbdb;
}

/* 컨테이너 */
.container {
  width: 1200px;
  margin: 0 auto;
  /* background: rgba(0, 0, 0, 0.3); */
}

/* 헤더 */
.header {
  height: 327px;
}

/* 헤더 메뉴 */
.header .header_menu {
  text-align: right;
}
.header .header_menu a {
  color: #fff;
  padding: 8px 0 6px 10px;
  display: inline-block;
  transition: color 0.3s ease;
  font-family: 'Abel', sans-serif;
}
.header .header_menu a:hover {
  color: #ccc;
}

/* 헤더 타이틀 */
.header .header_tit {
  text-align: center;
  text-transform: uppercase;
  margin-top: 55px;
  font-family: 'Abel', sans-serif;
}
.header .header_tit h1 {
  font-size: 30px;
  color: #fff;
  background: #51b0dc;
  display: inline-block;
  padding: 5px 30px 5px 30px;
  letter-spacing: 2px;
  font-weight: 900;
  transition: box-shadow 0.25s ease-in-out;
}
.header .header_tit h1:hover {
  box-shadow: inset -9em 0 0 0 #257fac, inset 9em 0 0 0 #257fac;
}
.header .header_tit a {
  font-size: 16px;
  color: #fff;
  background: #4a9abf;
  display: inline-block;
  padding: 10px 20px 10px 20px;
  margin-top: -7px;
  transition: box-shadow 0.25s ease-in-out;
}
.header .header_tit a:hover {
  box-shadow: 0 0 0 5px rgba(75, 154, 191, 0.9) inset,
    0 0 0 100px rgba(0, 0, 0, 0.1) inset;
}

/* 헤더 아이콘 */

.header .header_icon {
  text-align: center;
  margin-top: 40px;
  padding-bottom: 45px;
}
.header .header_icon li {
  display: inline;
  margin: 0 2px;
}
.header .header_icon li a {
  position: relative;
  background-color: #3192bf;
  border-radius: 50%;
  width: 60px;
  height: 60px;
  color: #fff;
  display: inline-block;
  font-size: 35px;
  line-height: 60px;
  transition: all 0.3s ease;
}
.header .header_icon li a span {
  position: absolute;
  left: 50%;
  top: -40px;
  transform: translateX(-50%);
  font-size: 12px;
  line-height: 1.6;
  background: #3192bf;
  padding: 3px 9px;
  border-radius: 6px 0;
  opacity: 0;
  transition: all 0.3s ease;
}
/* 도움말의 뾰족한 삼각형 부분 */
.header .header_icon li a span:before {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -5px;
  margin-left: -5px;
  border-top: 5px solid #3192bf;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
}
/* 도움말 영역 -33px 만큼 위로 올리기 */
.header .header_icon li a:hover span {
  opacity: 1;
  top: -33px;
}
/* 아이콘 box-shadow로 경계선 그려주기 */
.header .header_icon li a:hover {
  box-shadow: 0 0 0 3px rgba(75, 154, 191, 0.9) inset,
    0 0 0 100px rgba(0, 0, 0, 0.1) inset;
}

/* 전체 메뉴 */
.nav {
  overflow: hidden;
  padding: 25px 0;
  display: none;
}
.nav > div {
  float: left;
  width: 40%;
}
.nav > div:last-child {
  width: 20%;
}
.nav > div ol {
  overflow: hidden;
}
.nav > div li {
  float: left;
  width: 50%;
  position: relative;
  padding-left: 8px;
  box-sizing: border-box;
}
.nav > div:last-child li {
  width: 100%;
}
/* 리스트 앞의 동그란 점 모양 그려줌 */
.nav > div li:before {
  content: '';
  width: 3px;
  height: 3px;
  background-color: #25a2d0;
  border-radius: 50%;
  position: absolute;
  left: 0;
  top: 6px;
}
.nav > div h3 {
  font-size: 18px;
  color: #25a2d0;
  font-weight: bold;
  margin-bottom: 4px;
}
/* 전체메뉴 리스트 마우스 오버 라인 효과 */
.nav > div li a {
  position: relative;
}
.nav > div li a:after {
  content: '';
  display: inline-block;
  width: 0;
  height: 1px;
  background: #25aad0;
  transition: all 0.2s ease-out;
  position: absolute;
  bottom: 0;
  left: 0;
}
.nav > div li:hover a:after {
  width: 100%;
}

/* 타이틀 */
.title {
  position: relative;
  text-align: center;
}
.title h2 {
  font-family: 'Nanum Brush Script', cursive;
  font-size: 39px;
  color: #0093bd;
  padding: 5px 0;
}
.title .btn {
  position: absolute;
  right: 0;
  top: 5px;
  width: 60px;
  height: 60px;
  line-height: 60px;
  background: #3192bf;
  color: #fff;
  font-size: 35px;
  border-radius: 50%;
  transition: all 0.3s ease;
}
.title .btn:hover {
  box-shadow: 0 0 0 3px rgba(71, 154, 191, 0.9) inset,
    0 0 0 100px rgba(0, 0, 0, 0.1) inset;
}

/* 컨텐츠 영역 */
.column {
  padding: 15px;
  border-bottom: 1px solid #dbdbdb;
}
.column .col_tit {
  font-size: 20px;
  color: #2f7fa6;
  padding-bottom: 5px;
}
.column .col_desc {
  border-bottom: 1px dashed #dbdbdb;
  padding-bottom: 15px;
  margin-bottom: 15px;
  color: #878787;
  line-height: 18px;
}
.column.col3 {
  border-bottom: 0;
}
.column.col6 {
  border-bottom: 0;
}
.column.col9 {
  border-bottom: 0;
}

/* 메뉴 */
.menu li {
  position: relative;
}
.menu li a {
  font-size: 16px;
  text-transform: uppercase;
  color: #878787;
  border-bottom: 1px solid #dbdbdb;
  padding: 10px;
  display: block;
  transition: box-shadow 0.34s ease, background-color 0.34s ease;
}
.menu li a i {
  position: absolute;
  right: 10px;
  top: 15px;
}
.menu li a:hover {
  box-shadow: inset 180px 0 0 0 rgba(36, 130, 174, 0.7);
  color: #fff;
  background: rgba(36, 130, 174, 0.9);
}

/* 게시판 1 */
.notice1 {
  position: relative;
}
.notice1 h5 {
  font-size: 14px;
  color: #2f7fa6;
  padding-bottom: 5px;
}
/* 게시판 리스트 에서 한 줄 효과 적용 */
.notice1 li {
  position: relative;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding-left: 8px;
}
/* 리스트 불릿 기호 */
.notice1 li:before {
  content: '';
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #449ce2;
  position: absolute;
  left: 0;
  top: 6px;
}
.notice1 .more {
  position: absolute;
  right: 0;
  top: 3px;
  color: #878787;
  text-transform: uppercase;
  font-size: 10px;
}

/* 게시판 2 */
.notice2 {
  position: relative;
}
.notice2 h5 {
  font-size: 14px;
  color: #2f7fa6;
  padding-bottom: 5px;
}
/* 게시판 리스트 에서 두 줄 효과 적용 */
.notice2 li {
  position: relative;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  padding-left: 8px;
  max-height: 40px; /* ie 에서 최신효과 줄 수 없어서 두 줄 효과 높이 사이즈 지정 */
}
/* 리스트 불릿 기호 */
.notice2 li:before {
  content: '';
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #449ce2;
  position: absolute;
  left: 0;
  top: 6px;
}
.notice2 .more {
  position: absolute;
  right: 0;
  top: 3px;
  color: #878787;
  text-transform: uppercase;
  font-size: 10px;
}

/* 블로그 1 */
.blog1 img {
  width: 100%;
}
.blog1 .img-retina {
  display: none;
}
/* 고해상도 이미지 나올 수 있도록 설정 */
@media only screen and (-webkit-min-device-pixel-ratio: 1.5),
  only screen and (min-device-pixel-ratio: 1.5),
  only screen and (min-resolution: 1.5dppx) {
  .blog1 .img-retina {
    display: initial;
  }
  .blog1 .img-normal {
    display: none;
  }
}

/* 블로그 3 */
.blog3 h5 {
  color: #fff;
  text-align: center;
  padding: 30px 30px;
  text-transform: uppercase;
}
.blog3 p {
  padding-top: 5px;
}
.blog3 .img-retina {
  background: url('../img/blog4_@1.jpg');
  background-size: cover;
}
/* 고해상도 이미지 나올 수 있도록 설정 */
@media only screen and (-webkit-min-device-pixel-ratio: 2),
  only screen and (min-device-pixel-ratio: 2),
  only screen and (min-resolution: 2dppx) {
  .blog3 .img-retina {
    background: url('../img/blog4_@2.jpg');
  }
}
@media only screen and (-webkit-min-device-pixel-ratio: 3),
  only screen and (min-device-pixel-ratio: 3),
  only screen and (min-resolution: 3dppx) {
  .blog3 .img-retina {
    background: url('../img/blog4_@3.jpg');
  }
}

/* 이미지 슬라이드 */
.slider figure {
  position: relative;
}
.slider figcaption {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 20px;
  box-sizing: border-box;
  background-color: rgba(0, 0, 0, 0.5);
  color: #fff;
  font-size: 18px;
}
.slider figcaption em {
  display: block;
  font-weight: bold;
  font-size: 28px;
  text-transform: uppercase;
  font-family: 'Abel', sans-serif;
  opacity: 0;
  transition: all 0.84s ease;
  transform: translateX(50px);
}
.slider figcaption span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  opacity: 0;
  transition: all 0.84s 0.2s ease;
  transform: translateX(50px);
}
.slider .slick-active figcaption em {
  opacity: 1;
  transform: translateX(0);
}
.slider .slick-active figcaption span {
  opacity: 1;
  transform: translateX(0);
}

.slider .slick-dots {
  display: block;
  width: 100%;
  text-align: center;
}
.slider .slick-dots li {
  display: inline-block;
  width: 15px;
  height: 15px;
  margin: 5px;
}
.slider .slick-dots li button {
  font-size: 0;
  line-height: 0;
  display: block;
  width: 15px;
  height: 15px;
  cursor: pointer;
  background: #5dbfeb;
  border-radius: 50%;
}
.slider .slick-dots li.slick-active button {
  background: #2b91c8;
}
.slider .slick-prev {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 1000;
  width: 30px;
  height: 30px;
  display: inline-block;
  text-indent: -9999px;
  font: normal normal normal 14px/1 FontAwesome;
}
.slider .slick-prev::before {
  content: '\f053';
  color: #5dbfeb;
  text-indent: 0;
  position: absolute;
  left: 9px;
  top: 8px;
}
.slider .slick-next {
  position: absolute;
  right: 0;
  bottom: 0;
  z-index: 1000;
  width: 30px;
  height: 30px;
  display: inline-block;
  text-indent: -9999px;
  font: normal normal normal 14px/1 FontAwesome;
}
.slider .slick-next::before {
  content: '\f054';
  color: #5dbfeb;
  text-indent: 0;
  position: absolute;
  left: 11px;
  top: 8px;
}

/* 라이트 박스 */
.square a {
  position: relative;
  overflow: hidden;
  float: left;
  width: 19%;
  margin: 0.5%;
}
.square a img {
  width: 100%;
  display: block;
}
/* 오버 효과 */
.square a em {
  background: rgba(0, 0, 0, 0.77);
  color: #fff;
  width: 100%;
  text-align: center;
  position: absolute;
  left: 0;
  bottom: -30px;
  opacity: 1;
  transition: all 0.3s ease;
}
.square a:hover em {
  bottom: 0;
  background: rgba(0, 0, 0, 0.57);
}
/* 필터 효과 */
.square a:nth-child(1):hover img {
  filter: blur(2px);
}
.square a:nth-child(2):hover img {
  filter: brightness(50%);
}
.square a:nth-child(3):hover img {
  filter: contrast(10%);
}
.square a:nth-child(4):hover img {
  filter: grayscale(100%);
}
.square a:nth-child(5):hover img {
  filter: hue-rotate(120deg);
}
.square a:nth-child(6):hover img {
  filter: invert(100%);
}
.square a:nth-child(7):hover img {
  filter: opacity(10%);
}
.square a:nth-child(8):hover img {
  filter: saturate(10%);
}
.square a:nth-child(9):hover img {
  filter: sepia(120%);
}
.square a:nth-child(10):hover img {
  filter: sepia(120%) hue-rotate(120deg);
}

/* 비디오 => 패딩 값의 영향으로 반응형이 됨 */
.video {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
}
.video iframe {
  position: absolute;
  width: 100%;
  height: 100%;
}

/* 푸터 */
.footer {
  text-align: center;
  padding: 30px 50px;
}
.footer li {
  position: relative;
  display: inline;
  padding: 0 7px 0 10px;
  white-space: nowrap;
}
.footer li:before {
  content: '';
  width: 1px;
  height: 12px;
  background-color: #dbdbdb;
  position: absolute;
  left: 0;
  top: 2px;
}
.footer li:first-child:before {
  width: 0;
}
.footer address {
  padding-top: 15px;
}

/* 사이드 바 - 사이드 이펙트 1 */
.side1 {
  position: relative;
  perspective: 600px;
  display: block;
}
.side1 .front {
  transform-style: preserve-3d;
  transform: rotateY(0deg);
  transition: all 0.5s ease-in-out;
  backface-visibility: hidden;
}
.side1 .back {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  transform-style: preserve-3d;
  color: #fff;
  background: #4038dc;
  transform: rotateY(-180deg);
  transition: all 0.5s ease-in-out;
  backface-visibility: hidden;
}
.side1 .back i {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  font-size: 50px;
}
.side1:hover .front {
  transform: rotateY(180deg);
}
.side1:hover .back {
  transform: rotateY(0deg);
  z-index: -1;
}

/* 사이드 바 - 사이드 이펙트 2 */
.side2 {
  position: relative;
  display: block;
  perspective: 600px;
}
.side2 .front {
  transform-style: preserve-3d;
  transform: rotateY(0deg);
  transition: all 0.5s ease-in-out;
  backface-visibility: hidden;
}
.side2 .back {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  transform-style: preserve-3d;
  transform: rotateY(-180deg);
  transition: all 0.5s ease-in-out;
  backface-visibility: hidden;
}
.side2 .front figcaption {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) translateZ(100px);
  display: block;
  text-align: center;
}
.side2 .back figcaption {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) translateZ(100px);
  display: block;
  text-align: center;
}
.side2 figcaption {
  width: 60%;
}
.side2 figcaption {
  color: #fff;
  font-size: 20px;
  font-family: 'Abel', sans-serif;
  font-weight: bold;
  background: rgba(0, 0, 0, 0.4);
  padding: 3px 10px;
}
.side2:hover .front {
  transform: rotateY(180deg);
}
.side2:hover .back {
  transform: rotateY(0deg);
  z-index: 1;
}

/* 사이드 바 - 사이드 이펙트 3 */
.side3 {
  position: relative;
  overflow: hidden;
  background: #fff;
}
.side3 figcaption {
  position: absolute;
  top: 50%;
  left: 50%;
  color: #fff;
  text-align: center;
  opacity: 0;
  text-transform: uppercase;
  transition: all 0.3s ease;
  transform: translate(350%, -50%) rotate(180deg);
}
.side3 figcaption:after {
  content: '';
  width: 100px;
  height: 100px;
  background: #000;
  border-radius: 50%;
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: -1;
  transform: translate(-50%, -50%);
}
.side3 figcaption h3 {
  font-size: 16px;
}
.side3 figcaption em {
  display: block;
  font-weight: bold;
}
.side3 img {
  display: block;
  transition: all 0.3s ease;
}
.side3:hover img {
  opacity: 0.4;
}
.side3:hover figcaption {
  transform: translate(-50%, -50%) rotate(0deg);
  opacity: 1;
}

/* media query */
/* 오차가 있기 때문에 가로 너비 1200 에 20 정도 더해서 넣어줌 */
/* 화면 너비 0 ~ 1220px */
@media (max-width: 1220px) {
  .container {
    width: 100%;
  }
  .row {
    padding: 0 15px;
  }
  #contents .container {
    border: 0;
  }

  .title .btn {
    right: 5px;
  }
  .square a {
    width: 24%;
  }
  .square a:nth-child(5n) {
    display: none;
  }
}

/* 화면 너비 0 ~ 1024px */
@media (max-width: 1024px) {
  .square a {
    width: 32.3333%;
  }
  .square a:nth-child(5) {
    display: block;
  }
}

/* 화면 너비 0 ~ 960px */
@media (max-width: 960px) {
  #cont_right {
    position: static;
    width: 100%;
    border-top: 1px solid #dbdbdb;
  }
  #cont_center {
    margin-right: 0;
    border-right: 0;
  }

  .nav > div {
    float: none;
    width: 100%;
  }
  .nav > div:last-child {
    width: 100%;
  }
  .nav > div li {
    width: 33.33333%;
  }
  .nav > div:last-child li {
    width: 33.33333%;
  }
  .nav > div ol {
    margin-bottom: 10px;
  }

  /* 사이드 바 */
  #cont_right {
    overflow: hidden;
  }
  #cont_right .column {
    float: left;
    width: 33.3333%;
    box-sizing: border-box;
  }
  #cont_right .column.col7 {
    border-right: 1px solid #dbdbdb;
    border-bottom: 0;
  }
  #cont_right .column.col8 {
    border-right: 1px solid #dbdbdb;
    border-bottom: 0;
  }
}

/* 화면 너비 0 ~ 768px */
@media (max-width: 768px) {
  #cont_left {
    float: none;
    width: 100%;
  }
  #cont_center {
    border-left: 0;
  }
}

/* 화면 너비 0 ~ 600px */
@media (max-width: 600px) {
  .header {
    height: auto;
  }
  .header .header_tit {
    display: none;
  }
  .header .header_icon {
    display: none;
  }
  .title .btn {
    display: none;
  }

  .nav > div li {
    width: 50%;
  }
  .nav > div:last-child li {
    width: 50%;
  }

  .column.col1 .col_tit {
    display: none;
  }
  .column.col1 .col_desc {
    display: none;
  }
  .column.col1 .menu li a i {
    display: none;
  }
  .column.col1 {
    padding: 0;
    border-bottom: 0;
  }
  .column.col1 .menu ul {
    overflow: hidden;
  }
  .column.col1 .menu li {
    float: left;
    width: 33.3333%;
    border-right: 1px solid #dbdbdb;
    text-align: center;
    box-sizing: border-box;
  }
  .column.col1 .menu li:nth-child(3n) {
    border-right: 0;
  }
  .column.col1 .menu li a {
    color: #fff;
    text-shadow: 0 0 5px rgba(0, 0, 0, 0.7);
  }
  .column.col1 .menu li a:hover {
    box-shadow: none;
    background: rgba(36, 130, 174, 0.3);
  }
  .column.col2 {
    background: #fff;
  }
  .column.col4 {
    border-top: 1px solid #dbdbdb;
  }
  .square a {
    width: 49%;
  }
  .square a:nth-child(5n) {
    display: block;
  }

  /* 사이드 바 */
  #cont_right .column {
    width: 50%;
  }
  #cont_right .column.col8 {
    border-right: 0;
  }
  #cont_right .column.col9 {
    display: none;
  }
}

/* 화면 너비 0 ~ 480px */
@media (max-width: 480px) {
}

/* 화면 너비 0 ~ 320px */
@media (max-width: 320px) {
  .nav > div li {
    width: 100%;
  }
  .nav > div:last-child li {
    width: 100%;
  }
  .square a {
    width: 100%;
    margin-right: 0;
    margin-left: 0;
  }
  #cont_right .column {
    width: 100%;
  }
  #cont_right .column.col7 {
    border-right: 0;
    border-bottom: 1px solid #dbdbdb;
  }
}