/* main css */
body {
    background-color: #000;
    font-family: "Open Sans", sans-serif;
	overflow: hidden;
}

main, section, div, img, button {
    position: absolute;
}

main {
    width: 2250px;
    height: 1500px;
    background-color: white;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    overflow: hidden;
}

section {
    width: 100%;
    height: 100%;
    display: none;
}

#screen1 {
    display: block;
}

.frame {
    left: 730px;
    top: 160px;
    /* top: 247px; */
    display: none;
}

#frame1,#title-txt {
    display: block;
}

#main-title{
    position: absolute;
    left: 110px;
    top: 50px;
    font-size: 150px;
    font-weight: 800;
    color: #0075bf;
}

.sub-title {
    left: 110px;
    top: 220px;
    font-size: 60px;
    font-weight: 700;
    color: #0075bf;
}

.intro-container {
    left: 735px;
    top: 330px;
    width: 755px;
    height: 1024px;
    /* background-color: #0075bf; */
    padding: 40px;
}

.intro-container * {
    position: static;
}

.history-txt {
    background-color: white;
    color: #0075bf;
    border: solid 2px #0075bf;
    border-radius: 10px;
    padding: 30px 40px;
    font-size: 23px;    
    text-align: justify;
}

.learn-more-txt {
    margin-top: 60px;
    font-size: 38px;
    font-weight: 600;
    color: #0075bf;
}

button {
    background: none;
    color: inherit;
    border: none;
    font: inherit;
    outline: inherit;
    cursor: pointer;
}

.to-screen-btn{
    display: flex;
    left: 1290px;
    align-items: center;
    font-size: 35px;
    font-weight: 600;
    width: 780px;
    height: 172px;
    color: #fff;
    border-radius: 10px;
    padding: 0 30px;
    background-color: #0075bf;
    margin-top: 30px;
    overflow: hidden;
}

.to-screen-btn > div:first-child {
    padding: 30px;
    font-size: 33px;
    color: #0075bf;
    font-weight: 600;
}

.to-screen-btn > div:last-child {
    width: 70px;
    height: 130px;
    background-color: #0075bf;
    color: white;
    font-size: 80px;
    display: flex;
    justify-content: center;
    flex-shrink: 0;
}

.click-through {
    pointer-events: none;
}

#start-btn{
    width: 100%;
    height: 100%;
    font-size: 40px;
    font-weight: 600;
    padding-top: 1300px;
    cursor: pointer;
    color:#0075bf;
}

#back-btn{
    width: 70px;
    height:130px;
    background-color: #0075bf;
    border-radius: 0 10px 10px 0;
    color: #fff;
    font-size: 80px;
    font-weight: 600;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    justify-content: center;
}

#screen2 .navtab {
    width: 1540px;
    height: 122px;
    background-color: #fff;
    border: 5px solid #0075bf;
    border-radius: 20px;
    left: 50%;
    transform: translateX(-50%);
    top: 440px;
}
#screen2 .tablink{
    border: 5px solid transparent;
    top: 20px;
    border-radius: 20px;
    padding: 0 20px;
    color:#0075bf;
    cursor: pointer;
}
#screen2 .tablink.active{
    background-color: #0075bf;
    border-color:#0075bf;
    color:#fff;
    transition:0.3s;
}
#screen2 .tablink.active img{
    filter: brightness(0) invert(1);
}
#screen2 .tablink img{
    position: relative;
    top: -10px;
    vertical-align: middle;
}
#screen2 .tablink span{
    font-size: 45px;
    margin-left: 14px;
    font-weight: 700;
}
#screen2 .maindata{
    width: 1535px;
    height: 720px;
    background: #fff;
    border: 5px solid #0075bf;
    left: 360px;
    top: 596px;
    border-radius: 20px;
}
#screen2 .maindata > div{
    width: 100%;
    height: 100%;
    padding: 35px;
    color:#0075bf;
}
#screen2 .maindata > div h1{
    font-size: 45px;
    font-weight: 700;
}
#screen2 .maindata > div p:nth-of-type(1){
    font-size: 31px;
    width: 47%;
    width: 51%;
}
#screen2 .maindata > div p:nth-of-type(2){
    font-size: 31px;
    width: 47%;
    width: 46%;
}

#screen3 .pole{
    left: 16%;
    bottom: 0;
    width: 76px;
    height: 1070px;
}
#screen3 .arrow{
    clip-path: polygon(0 20%, 82% 20%, 95% 50%, 81% 78%, 0% 80%);
    background-color: #fff;
    height: 280px;
    width: 580px;
    cursor: pointer;
}
#screen3 .arrow1{
    left: 160px;
    top: 450px;
}
#screen3 .arrow2{
    left: 160px;
    top: 680px;
}
#screen3 .arrow3{
    left: 160px;
    top: 916px;
}
#screen3 .link{
    position: absolute;
    font-size: 60px;
    z-index: 1;
    font-weight: 700;
    color: #0075bf;
    cursor: pointer;
}
#screen3 .maindata{
    background-color: #fff;
    border: 4px solid #0075bf;
    border-radius: 15px;
    width: 1310px;
    height: 740px;
    left: 800px;
    top: 510px;
}
#screen3 .maindata > div {
    width: 100%;
    height: 100%;
}
#screen3 .maindata .data1 > div {
    color:#0075bf;
    width: 45%;
}
#screen3 .maindata .data1 > div img{
    position:unset;
}
#screen3 .maindata .data1 > div h1 {
    font-size: 55px;
    font-weight: 700;
}
#screen3 .maindata .data1 > div p {
    font-size: 33px;
    font-weight: 400;
}

#screen3 .maindata .data2{
    width: 100%;
    display: block;
}
#screen3 .maindata .data2 > div{
    width: 100%;
    margin: 20px 0;
    position: unset;
    padding: 10px 0 0 34px;
}
#screen3 .maindata .data2 img{
    position: unset;
    display: inline-block;
    width:198px;
}
#screen3 .maindata .data2 .right{
    display: inline-block;
    position: relative;
    left: 2%;
    width: 80%;
    vertical-align: top;
    color:#0075bf;
}
#screen3 .maindata .data2 .right h1{
    font-size: 50px;
    font-weight: 700;
}
#screen3 .maindata .data2 .right p{
    font-size: 31px;
}
#screen3 .maindata .data3 > div{
    display: inline-block;
}
#screen3 .maindata .data3 img{
    display: block;
    position: unset;
    width: 288px;
}
#screen3 .maindata .data3 span{
    text-align: center;
    display: block;
    font-size: 33px;
    color: #0075bf;
}
#screen4 .maindata{
    height: 700px;
    background-color: #fff;
    overflow: hidden;
    border: 5px solid #0075bf;
    border-radius: 15px;
    width: 70%;
    left: 50%;
    transform: translateX(-50%);
    top: 45%;
}
#screen4 .maindata > div{
    width: 100%;
    height: 100%;
}
#screen4 .maindata > div > div{
    left: 830px;
    top: 50%;
    transform: translateY(-50%);
    padding-right:30px;
    color:#0075bf;
}
#screen4 .maindata > div > div h1{
    font-size: 60px;
    font-weight: 700;
}

#screen4 .maindata > div > div p{
    font-size: 30px;
    margin: 10px 0;
}

#screen4 .bird{
    border: 6px solid transparent;
    width: 300px;
    text-align: center;
    padding: 40px;
    border-radius: 15px;
    cursor: pointer;
}

#screen4 .bird img{
    position: unset;
}

#screen4 .bird1{
    left: 15%;
    top: 417px;
}

#screen4 .bird2{
    left: 34%;
    top: 417px;
}

#screen4 .bird3{
    left: 53%;
    top: 417px;
}

#screen4 .bird4{
    left: 71.5%;
    top: 417px;
}

#screen1 video{
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: translate(-50%, -50%);
    z-index: -1;
}

.videotext{
    position: absolute;
    text-align: center;
    width: 100%;
    top: 110px;
    font-size: 150px;
    font-weight: 800;
    color: #0075bf;
}

.s1text{
    position: absolute;
    line-height: 159px;
    left: 200px;
    top: 440px;
    font-size: 190px;
    font-weight: 800;
    color: #0075bf;
}

#screen1 p{
    background-color: #ffffff;
    width: 40%;
    font-size: 31px;
    padding: 30px;
    border-radius: 20px;
    position: absolute;
    left: 210px;
    top: 789px;
    color: #0075bf;
    font-weight: 500;
}

#screen1 .exploretext{
    position: absolute;
    color: #0075bf;
    font-size: 44px;
    font-weight: 700;
    left: 1514px;
    top: 490px;
}

.letter {
  display: inline-block;
}

#screen2 .msg{
    text-align: center;
    position: absolute;
    width: 100%;
    font-size: 40px;
    font-weight: 700;
    top: 1350px;
}

#screen3 .msg{
    text-align: center;
    position: absolute;
    width: 100%;
    font-size: 40px;
    font-weight: 700;
    top: 1292px;
}

#screen4 .msg{
    text-align: center;
    position: absolute;
    width: 100%;
    font-size: 40px;
    font-weight: 700;
    top: 1393px;
}

.btn-bg{
    background-color: #fff;
    width: 680px;
    height: 190px;
    border-radius: 40px 40px 0 0;
    left: 50%;
    transform: translateX(-50%);
    bottom: 0;
}

.sub2{
    font-size: 2rem;
    position: absolute;
    left: 122px;
    top: 300px;
    width: 80%;
    font-weight: 600;
    color: #0075bf;
}