@font-face {
  font-family: 'TmonMonsori';
  src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_two@1.0/TmonMonsori.woff') format('woff');
  font-weight: normal;
  font-style: normal;
}
@font-face {
  font-family: 'Pretendard-Regular';
  src: url('https://cdn.jsdelivr.net/gh/Project-Noonnu/noonfonts_2107@1.1/Pretendard-Regular.woff') format('woff');
  font-weight: 400;
  font-style: normal;
}
.sub_body ul a .box4 {
  border-bottom: 1.5px solid rgb(0, 135, 224);
  color: rgb(0, 135, 224);
}
.main_box > hr {
  margin-top: 100px;
  width: 30px;
  height: 4px;
  border: none;
  background-color: #c8c8c8;
}
.main_box > .title {
  font-size: 24px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 20px;
}
.sub_box .big_desc {
  text-align: center;
  font-size: 18px;
  margin-bottom: 6px;
}
.sub_box .big_desc > span {
  color: rgb(15, 128, 204);
}
.sub_box .small_desc {
  text-align: center;
  font-size: 18px;
  margin-bottom: 100px;
}
[data-tab-content]{
  display: none;
}
.active[data-tab-content]{
  display: block;
}

.tabbox > ul {
  display: flex;
  width: 500px;
  height: 60px;
  margin: 0 auto;
}
.tabbox > ul > li {
  width: 500px;
  height: 32px;
  background-color: rgb(150, 150, 150);
  text-align: center;
  color: rgb(255, 255, 255);
  font-weight: 700;
  padding-top: 5px;
  font-size: 18px;
}
.tabbox > ul > li:hover {
  background-color: rgb(80, 80, 80);
  transition: .3s;
}
.tabbox > ul > li:nth-child(2) {
  border-left: 1px solid white;
}
.tabbox > ul:focus {
  background-color: rgb(12, 121, 231);
}
 .tabbox .tab-content {
  width: 1000px;
  height: 600px;
  margin: 0 auto;
  display: flex;
}

.tabbox .tab-content .fb1 {
  display: flex;
}
.tabbox .tab-content .img1 {
  width: 300px;
  height: 700px;
  background-size: 70%;
  background-image: url(/images/PT/oxywater_r1.png);
  background-repeat: no-repeat;
  margin-top: 50px;
  transform: translateX(60%);
}
.tabbox .tab-content .desc1 {
  font-family: 'Pretendard-Regular';
  font-size: 16px;
  margin-top: 80px;
  text-align: center;
  vertical-align: middle;
  transform: translateX(40%);
} 
.tabbox .tab-content .desc1 table{
  width: 400px;
  height: 500px;
  border: 1px solid rgb(235, 235, 235);
}
.tabbox .tab-content .desc1 table tr{
  border: 1px solid rgb(238, 238, 238);
}
.tabbox .tab-content .desc1 table tr td:first-child {
  background-color: rgb(238, 238, 238);
  vertical-align: middle;
} 
.tabbox .tab-content .desc1 table tr td:last-child {
  vertical-align: middle;
}
.tabbox .tab-content .fb2 {
  display: flex;
}
.tabbox .tab-content .img2 {
  width: 300px;
  height: 700px;
  background-size: 70%;
  background-image: url(/images/PT/oxywater_r3.png);
  background-repeat: no-repeat;
  margin-top: 150px;
  transform: translateX(60%);
}
.tabbox .tab-content .desc2 {
  font-family: 'Pretendard-Regular';
  font-size: 16px;
  margin-top: 80px;
  text-align: center;
  vertical-align: middle;
  transform: translateX(40%);
} 
.tabbox .tab-content .desc2 table{
  width: 400px;
  height: 500px;
}
.tabbox .tab-content .desc2 table tr{
  border: 1px solid rgb(238, 238, 238);
}
.tabbox .tab-content .desc2 table tr td:first-child {
  background-color: rgb(238, 238, 238);
  vertical-align: middle;
} 

.tabbox .tab-content .desc2 table tr td:last-child {
  vertical-align: middle;
}