* {
    margin: 0;
    padding: 0;
}
ul, li {
    list-style: none;
}
a {
    color: black;
}


div#modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,.7);
    z-index: 9999;
}
div#modal>div#videoContainer {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 60%;
    padding-bottom: 31.5%;
    transform: translate(-50%,-50%);
    background-color: white;
}
div#modal>div#videoContainer>div#iframeBox {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}
div#modal>div#videoContainer>div#iframeBox>iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
div#modal>div#videoContainer>div#cross {
    position: absolute;
    top: 0;
    right: -10%;
    width: 10%;
    padding-bottom: 10%;
    background-color: white;
}
div#modal>div#videoContainer>div#cross>span {
    position: absolute;
    top: 50%;
    left: 10%;
    width: 80%;
    height: 2px;
    background-color: black;
    border-radius: 10px;
    transform: translate(-50%,-50%);    
}
div#modal>div#videoContainer>div#cross>span:first-child {
    transform: rotate(-45deg)
}
div#modal>div#videoContainer>div#cross>span:last-child {
    transform: rotate(45deg)
}


div#floating {
    position: fixed;
    top: 40%;
    right: 10%;
    width: 10vw;
    height: 10vw;
    transform: translateY(-50%);
    transition: all 1s;
    z-index: 9999;
}
div#floating>a {
    display: block;
    width: 100%;
}
div#floating>a>img {
    display: block;
    width: 100%;
}


div#titleBg {
    background-color: #f35b96;
}
div#titleBg>div#title {
    position: relative;
    width: 60%;
    margin: auto;
}
div#titleBg>div#title>img {
    display: block;
    width: 100%;
}
div#titleBg>div#title>a {
    position: absolute;
    top: 69%;
    left: 50%;
    width: 33%;
    height: 3.5vw;
    border-radius: 500px;
    transform: translateX(-50%);
}


div#firstBg {
    background-color: #2134aa;
}
div#firstBg>div#first {
    width: 60%;
    margin: auto;
}
div#firstBg>div#first>img {
    display: block;
    width: 100%;
}


div#secondBg {
    background-color: #f2f4ff;
}
div#secondBg>div#second {
    position: relative;
    width: 60%;
    margin: auto;
}
div#secondBg>div#second>img {
    display: block;
    width: 100%;
}
div#secondBg>div#second>a {
    position: absolute;
    top: 80.5%;
    left: 49%;
    width: 33%;
    height: 3.5vw;
    border-radius: 500px;
    transform: translateX(-50%);
}


div#thirdBg {
    background-color: #4257ce;
    padding-bottom: 50px;
}
div#thirdBg>div#third {
    position: relative;
    width: 60%;
    margin: auto;
    background-image: url(/landing/62ns/PC/images/62ns_thirdbg.png);
    background-size: 100%;
    background-repeat: no-repeat;
}
div#thirdBg>div#third>img:first-child {
    display: block;
    width: 80%;
    margin: auto;
    padding-top: 4.5vw;
}
div#thirdBg>div#third>ul#teacherName {
    display: flex;
    justify-content: space-around;
    width: 100%;
}
div#thirdBg>div#third>ul#teacherName>li {
    width: 50%;
    cursor: pointer;
}
div#thirdBg>div#third>ul#teacherName>li>img {
    display: none;
    width: 100%;
}
div#thirdBg>div#third>ul#teacherName>li>img.on {
    display: block;
}
div#thirdBg>div#third>div#teacherContent {
    display: flex;
    justify-content: space-between;
}
div#thirdBg>div#third>div#teacherContent>div {
    display: none;
}
div#thirdBg>div#third>div#teacherContent>div.on {
    display: block;
}
div#thirdBg>div#third>div#teacherContent>div:first-child {
    width: 51%;
}
div#thirdBg>div#third>div#teacherContent>div:not(:first-child) {
    width: 49%;
}
div#thirdBg>div#third>div#teacherContent>div#intro>img {
    display: none;
    width: 100%;
    padding-top: 30px;
}
div#thirdBg>div#third>div#teacherContent>div#intro>img.on {
    display: block;
}
div#thirdBg>div#third>div#teacherContent>div#videoOh>img {
    display: block;
    width: 60%;
    padding-top: 80px;
    margin: auto;
}
div#thirdBg>div#third>div#teacherContent>div#videoOh>ul {
    display: flex;
    
}
div#thirdBg>div#third>div#teacherContent>div#videoOh>ul>li {
    width: 20%;
    cursor: pointer;
}
div#thirdBg>div#third>div#teacherContent>div#videoOh>ul>li>img {
    display: none;
    width: 100%;
}
div#thirdBg>div#third>div#teacherContent>div#videoOh>ul>li>img.on {
    display: block;
}
div#thirdBg>div#third>div#teacherContent>div#videoOh>div.iframeContainer {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
}
div#thirdBg>div#third>div#teacherContent>div#videoOh>div.iframeContainer>img {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    
}
div#thirdBg>div#third>div#teacherContent>div#videoOh>div.iframeContainer>img.on {
    display: block;
}
div#thirdBg>div#third>div#teacherContent>div#videoOh>div.iframeContainer>div{
    position: absolute;
    right: 0;
    bottom: 0;
    width: 30%;
}
div#thirdBg>div#third>div#teacherContent>div#videoOh>div.iframeContainer>div>img {
    display: block;
    width: 100%;
    cursor: pointer;
}
div#thirdBg>div#third>div#teacherContent>div#videoKim>img {
    display: block;
    width: 60%;
    padding-top: 80px;
    margin: auto;
}
div#thirdBg>div#third>div#teacherContent>div#videoKim>ul {
    display: flex;
    
}
div#thirdBg>div#third>div#teacherContent>div#videoKim>ul>li {
    width: 33.333333%;
    cursor: pointer;
}
div#thirdBg>div#third>div#teacherContent>div#videoKim>ul>li>img {
    display: none;
    width: 100%;
}
div#thirdBg>div#third>div#teacherContent>div#videoKim>ul>li>img.on {
    display: block;
}
div#thirdBg>div#third>div#teacherContent>div#videoKim>div.iframeContainer {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
}
div#thirdBg>div#third>div#teacherContent>div#videoKim>div.iframeContainer>img {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}
div#thirdBg>div#third>div#teacherContent>div#videoKim>div.iframeContainer>img.on {
    display: block;
}
div#thirdBg>div#third>div#teacherContent>div#videoKim>div.iframeContainer>div{
    position: absolute;
    right: 0;
    bottom: 0;
    width: 30%;
}
div#thirdBg>div#third>div#teacherContent>div#videoKim>div.iframeContainer>div>img {
    display: block;
    width: 100%;
}


div#warning {
    background-color: #ffa51b;
}
div#warning>img {
    display: block;
    width: 60%;
    margin: auto;
}