body{
  margin: 0;
  width: 100%;
  font-family: 'Noto Sans KR', sans-serif;
}
li{
  list-style: none;
}
a,
a:hover,
a:focus
{
  text-decoration: none;
  color: #000;
}

.section1-tab{
  margin-bottom: 50px;
  width: 100%;
  display: flex;
}
.section1-tab-item{
  margin: 0 5px;
  padding: 25px 15px;
  width: 33.3333%;
  height: auto;
  text-align: center;
  border-bottom-right-radius: 20px;
  border-bottom-left-radius: 20px;
  cursor: pointer;
}
.tab-bg1{
  background: url('/images/sub04/sub04-img1.png') no-repeat center;
}
.tab-bg2{
  background: url('/images/sub04/sub04-img2.png') no-repeat center;
}
.tab-bg3{
  background: url('/images/sub04/sub04-img3.png') no-repeat center;
}
.section1-tab-item > img{
  margin-bottom: 15px;
  opacity: .7;
}
.section1-tab-item-txt {
  width: 100%;
  color: #FFF;
  font-size: 25px;
}
.section1-tab-cont{
  margin: 30px 0;
  width: 100%;
}
.tab
{
  width: 100%;
  color: #000;
  font-size: 30px;
  display: none;
}
.tab-open{
  display: block;
}
.tab-title
{
  padding-top: 20px;
  width: 100%;
  position: relative;
}
.tab-topline
{
  margin: 0 2px;
  width: 50px;
  height: 1px;
  background: #535353;
  position: absolute;
  top: 0;
  left: 0;
}
.tab-stitle
{
  margin: 20px 0;
  width: 100%;
  font-size: 25px;
}
.tab-cont
{
  margin: 50px 0;
  width: 100%;
}
.tab-cont-img1{
  margin-bottom: 15px;
  width: 100%;
  display: flex;
}
.tab-img1{
  margin-right: 15px;
}
.tab-img1 > img,
.tab-img2 > img{
  width: 100%;
}
.tab-cont-img2{
  width: 100%;
}
.tab-cont-img2 > img{

}


@media screen and (max-width: 769px){
  .section1-tab-item > img{
    display: none;
  }
  .tab{
    font-size: 25px;
  }
  .tab-stitle{
    font-size: 20px;
  }
}