.sec-centent {
  width: 100%;
}

.sec-centent .sec-contTop {
  width: 100%;
}

.sec-centent .sec-contBot {
  width: 100%;
  padding: 50px 0 0;
  box-sizing: border-box;
}

@media screen and (max-width: 768px) {
  .sec-centent .sec-contBot {
    width: 100%;
    padding: 30px 0;
  }
}

/* 
************** contTop *******************
*/

/* 서브 메인 비주얼 */

.sec-centent .sub-visual {
  width: 100%;
  height: 460px;
  position: relative;
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center center;
  display: flex;
  justify-content: center;
  align-items: center;
}

.sec-centent .sub-visual::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  display: block;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 1);
  transition: all 0.7s ease-in-out;
}

.sec-centent .sub-visual.active::after {
  width: 0;
}

.sec-centent .sub-visual::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  display: block;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.4);
}

.sub-visual.bg01 {
  background-image: url(../../images/sub/sub_visual01.jpg);
}

.sub-visual.bg02 {
  background-image: url(../../images/sub/sub_visual01.jpg);
}

.sub-visual.bg03 {
  background-image: url(../../images/sub/sub_visual01.jpg);
}

.sub-visual.bg04 {
  background-image: url(../../images/sub/sub_visual01.jpg);
}

.sub-visual.bg05 {
  background-image: url(../../images/sub/sub_visual01.jpg);
}

.sub-visual .sub-visual-tit {
  width: 100%;
  color: #fff;
}

.sub-visual .sub-visual-tit .inner {
  max-width: 1400px;
  width: 90%;
  margin: 0 auto;
}

.sub-visual-tit h1 {
  font-size: 75px;
  font-weight: 600;
  overflow: hidden;
}

.sub-visual-tit p {
  font-size: 22px;
  color: rgba(255, 255, 255, 0.7);
  overflow: hidden;
}

@media screen and (max-width: 820px) {
  .sec-centent .sub-visual {
    height: 320px;
  }

  .sub-visual-tit h1 {
    font-size: 50px;
  }

  .sub-visual-tit p {
    font-size: 18px;
  }
}

@media screen and (max-width: 500px) {
  .sub-nav > div:not(.home) {
    width: 140px;
  }

  .sub-visual-tit h1 {
    font-size: 30px;
  }

  .sub-visual-tit p {
    font-size: 15px;
  }
}

/* 서브 네비게이션 */

.sec-centent .sub-nav {
  background: #232429;
  position: relative;
  z-index: 10;
  height: 80px;
  max-width: 1400px;
  margin: -40px auto 40px;
  color: #fff;
  display: flex;
  font-size: 16px;
}

.sec-centent .sub-nav .home {
  width: 80px;
  background: url(https://www.itm.co.kr/images/ic_home.png) no-repeat center
    center;
}

.sec-centent .sub-nav .home a {
  display: block;
  width: 100%;
  height: 100%;
}

.sec-centent .sub-nav > div:not(.home) {
  width: 224px;
  padding: 0 30px;
  position: relative;
  background: url(https://www.itm.co.kr/images/nav_arr.png) no-repeat center
    right 30px;
  cursor: pointer;
}

.sec-centent .sub-nav > div:not(.home):after {
  content: "";
  width: 1px;
  height: 20px;
  background: #fff;
  opacity: 0.2;
  position: absolute;
  left: 0;
  top: 50%;
  margin-top: -10px;
}

.sec-centent .sub-nav h2 {
  line-height: 80px;
  font-weight: 400;
  font-size: 16px;
}

.sec-centent .sub-nav ul {
  position: absolute;
  left: 0;
  width: 100%;
  background: #fff;
  box-shadow: 3px 3px 10px 3px rgba(0, 0, 0, 0.1);
  z-index: 1;
  display: none;
}

.sec-centent .sub-nav ul li a {
  display: flex;
  align-items: center;
  height: 60px;
  border-bottom: 1px solid #eee;
  padding: 0 30px;
  color: #444;
  transition: all 0.1s ease-in-out;
}

.sec-centent .sub-nav ul li a:hover {
  color: #00573f;
  font-weight: bold;
}

@media screen and (max-width: 820px) {
  .sec-centent .sub-nav {
    height: 60px;
    margin: -30px auto 30px;
  }

  .sec-centent .sub-nav > div:not(.home) {
    padding: 0 15px;
  }

  .sec-centent .sub-nav h2 {
    font-size: 15px;
    line-height: 60px;
  }

  .sec-centent .sub-nav ul li a {
    height: 40px;
    padding: 0 15px;
    font-size: 14px;
  }
}

/* 
********************* contTop 끝 **********************
*/

/* 서브 타이틀 영역 */

.sec-contBot .common-sub-title {
  margin: 35px 0 100px;
}

.common-sub-title .sec_tit_area {
  width: 100%;
  max-width: 1520px;
  padding-right: 20px;
  padding-left: 20px;
  position: relative;
  margin-right: auto;
  margin-left: auto;
}

.common-sub-title .title {
  margin-bottom: 10px;
  font-size: 24px;
  line-height: 1.5;
  text-align: center;
  letter-spacing: -1px;
}

.common-sub-title .sub-title {
  font-size: 14px;
  text-align: center;
  letter-spacing: -1px;
  font-weight: 400;
  line-height: 1.4;
}

@media screen and (min-width: 1600px) {
  .sec-contBot .common-sub-title {
    margin-top: 200px;
    margin-bottom: 152px;
  }
}

@media screen and (min-width: 992px) {
  .sec-contBot .common-sub-title {
    margin-top: 12.50782vw;
    margin-bottom: 9.50594vw;
  }
}

@media screen and (min-width: 1200px) {
  .sec-contBot .common-sub-title {
    margin: 80px 0 134px;
  }

  .common-sub-title .title {
    font-size: 42px;
  }
}

@media screen and (min-width: 768px) {
  .sec-contBot .common-sub-title {
    margin: 5.00313vw 0 8.38024vw;
  }

  .common-sub-title .sec_tit_area {
    max-width: 1600px;
    padding-right: 60px;
    padding-left: 60px;
    position: relative;
    margin-right: auto;
    margin-left: auto;
  }

  .common-sub-title .title {
    /* font-size: 3.50292vw; */
    margin-bottom: 10px;
  }

  .common-sub-title .sub-title {
    font-size: 18px;
  }
}

/* =====================서브 비쥬얼 02 ===========================*/
/* layout */
/* .wrap-wide{position:relative; margin-right:100rem;}
.wrap-wide .wrap{width:1390rem; padding-right:0;} */

/* sub visual */

/* .sub-visual{position:relative;background-size:cover;background-repeat:no-repeat;background-position:50% 50%;text-align:center;min-height: 90vh;opacity: 0;}
.sub-visual > .wrap{position:relative; display:flex; align-items:center;}
.sub-visual__text{display:flex; align-items:flex-start; padding-top:375rem; flex-direction:column; will-change:transform;}
.sub-visual__text h2{line-height:1; margin-top:46rem; font-weight:600; color:#111; letter-spacing:-1rem; text-indent:-9rem; text-transform:capitalize; will-change:transform; mix-blend-mode:difference;}
.sub-visual__text h2 i{display:block; opacity:0; margin-top:30rem; font-family:var(--lang-kor); font-size:25rem; text-align:left; text-indent:0rem; text-indent:-3rem;}
.sub-visual__bg{display:block; position:absolute; opacity:1; overflow:hidden; top:170rem; right:220rem; z-index:-1; width:905rem; height:560rem; background:no-repeat 50%;}
.sub-visual__bg i{display:block; width:100%; height:100%; background:no-repeat 50%;}
.sub-visual__bg i{background-image:url(http://lithiumplus.co.kr/images/main/visual-01.jpg);}
.sub-visual__text h2 em{display:block; opacity:0; text-transform:uppercase; mix-blend-mode:difference;}

.organization .sub-visual__bg i{background-image:url(http://lithiumplus.co.kr/images/content/sub-visual-02.jpg);}
.map .sub-visual__bg i{background-image:url(http://lithiumplus.co.kr/images/content/sub-visual-03.jpg);}
.business .sub-visual__bg i{background-image:url(http://lithiumplus.co.kr/images/content/sub-visual-04.jpg);}
.products .sub-visual__bg i{background-image:url(http://lithiumplus.co.kr/images/content/sub-visual-05.jpg);}
.research .sub-visual__bg i{background-image:url(http://lithiumplus.co.kr/images/content/sub-visual-06.jpg);}
.recruit .sub-visual__bg i{background-image:url(http://lithiumplus.co.kr/images/content/sub-visual-07.jpg);}
.saemangeum .sub-visual__bg i{background-image:url(http://lithiumplus.co.kr/images/content/sub-visual-08.jpg);}
.notice .sub-visual__bg i{background-image:url(http://lithiumplus.co.kr/images/content/sub-visual-09.jpg);}
.contact .sub-visual__bg i{background-image:url(http://lithiumplus.co.kr/images/content/sub-visual-10.jpg);} */