.fv{
    background: url("../img/FV.webp") no-repeat top center;
    height: 1350px;
}
.s1{
    background: url("../img/easy01_01.webp") no-repeat top center;
    height: 1639px;
}
.s2{
    background: url("../img/easy01_02.webp") no-repeat top center;
    height: 829px;
}
.s3-1{
    background: url("../img/easy03_01.webp") no-repeat top center;
    height: 896px;
}
.s3-2{
    background: url("../img/easy03_02.webp") no-repeat top center;
    height: 1694px;
}
.s4{
    background: url("../img/easy04.webp") no-repeat top center;
    height: 1924px;
}
.s5-1{
    background: url("../img/easy05_01.webp") no-repeat top center;
    height: 1379px;
}
.s5-2{
    background: url("../img/easy05_02.webp") no-repeat top center;
    height: 991px;
}
.s5-3{
    background: url("../img/easy05_03.webp") no-repeat top center;
    height: 1236px;
}
.s5-4{
    background: url("../img/easy05_04.webp") no-repeat top center;
    height: 1188px;
}

.s6-1{
    background: url("../img/easy06_01.webp") no-repeat top center;
    height: 1797px;
}
.s6-2{
    background: url("../img/easy06_02.webp") no-repeat top center;
    height: 1644px;
}
.s6-3{
    background: url("../img/easy06_03.webp") no-repeat top center;
    height: 1989px;
}

.s7{
    background: url("../img/easy07.webp") no-repeat top center;
    height: 1456px;
}

.s8-1{
    background: url("../img/easy08_01.webp") no-repeat top center;
    height: 834px;
}
.s8-2{
    background: url("../img/easy08_02.webp") no-repeat top center;
    height: 2243px;
}
.s8-3{
    background: url("../img/easy08_03.webp") no-repeat top center;
    height: 689px;
}

.s9-1{
    background: url("../img/easy09_01.webp") no-repeat top center;
    height: 1086px;
}
.s9-2{
    background: url("../img/easy09_02.webp") no-repeat top center;
    height: 772px;
}
.footer-box{
    position: relative;
}
.footer-flex{
    display: block;
}
Footer a{
    line-height: 1.25;
}
.Copyright{
    margin-top: 1rem;
}

video{
    position: relative;
    width: 630px;
    height: 356px;
    top: 250px;
}