.toroidal-shell-a{
    width: 100%;
    overflow: hidden;
}

.toroidal-shell-a .fourbox{
    background: #000;
}
.toroidal-shell-a .toroidal-shell-nowrap{
    white-space: nowrap;
}
.toroidal-shell-a div{
    box-sizing: border-box;
}
.toroidal-shell-a a{
    text-decoration: none;
}
.toroidal-shell-a img{
    vertical-align: middle;
}
.toroidal-shell-a sup{
    font-size: 0.6em;
    cursor: pointer;
}
.toroidal-shell-a h2{
    font-weight: bold;
}
.toroidal-shell-a .toroidal-br{
    display: none;
}
.toroidal-shell-a .toroidal-shell10 .notes-list .current {
    color: #000;
}
.toroidal-shell-a .toroidal-shell1{
    width: 100%;
    height: 56.25vw;
    overflow: hidden;
    position: relative;
}
.toroidal-shell-a .toroidal-shell1 .toroidal-shell1-left{
    width: 113.90625vw;
    margin-right: -13.90625vw;
    margin-top: -5.885417vw;
}
.toroidal-shell-a .toroidal-shell1 .toroidal-shell1-right{
    width: 28.645833vw;
    position: absolute;
    left: 58.75vw;
    top: 25vw;
}
.toroidal-shell-a .toroidal-shell1 .toroidal-shell1-right img{
    width: 28.645833vw;
    margin-top: .520833vw;
}
.toroidal-shell-a .toroidal-shell1 .toroidal-shell1-right p{
    color: #fff;
    font-size: 1.25vw;
    line-height: 1.6;
    margin-top: 1.5625vw;
}
.toroidal-shell-a .toroidal-shell2{
    width: 100%;
    display: flex;
    align-items: center;
}
.toroidal-shell-a .toroidal-shell2 .toroidal-shell2-left{
    width: 31.25vw;
    margin-left: 12.5vw;
}
.toroidal-shell-a .toroidal-shell2 .toroidal-shell2-left h2{
    font-size: 3.333333vw;
    line-height: 1.25;
    margin-bottom: 1.5625vw;
    white-space: nowrap;
}
.toroidal-shell-a .toroidal-shell2 .toroidal-shell2-left p{
    font-size: 1.25vw;
    line-height: 1.6;
}
.toroidal-shell-a .toroidal-shell2 .toroidal-shell2-right{
    width: 28.516667vw;
    margin-left: 15.625vw;
    margin-top: 3.125vw;
    margin-bottom: 3.125vw;
}
.toroidal-shell-a .toroidal-shell3{
    width: 100%;
    height: 56.25vw;
    position: relative;
    display: flex;
    justify-content: center;
}
.toroidal-shell-a .toroidal-shell3 .toroidal-shell3-top{
    position: absolute;
    width: 40vw;
    top: 5.78125vw;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.toroidal-shell-a .toroidal-shell3 .toroidal-shell3-top h2{
    font-size: 3.333333vw;
    line-height: 1.25;
    white-space: nowrap;
    color: #fff;
    margin-bottom: 1.5625vw;
    height: auto;
}
.toroidal-shell-a .toroidal-shell3 .toroidal-shell3-top p{
    width: 26.25vw;
    white-space: nowrap;
    font-size: 1.25vw;
    line-height: 1.6;
    color: #fff;
    text-align: center;
}
.toroidal-shell-a .toroidal-shell3 .toroidal-shell3-con{
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: #000;
    position: absolute;
    top: 0;
    left: 0;
}
.toroidal-shell-a .toroidal-shell3 .toroidal-shell3-con .toroidal-shell3-bottom{
    width: 100%;
    height: 100%;
    position: absolute;
    bottom: 0;
}
.toroidal-shell-a .toroidal-shell3 .toroidal-shell3-tlt{
    position: absolute;
    right: 12.135417vw;
    bottom: 5.364583vw;
    color: #999999;
    font-size: 12px;
    line-height: 1.6;
}
.toroidal-shell-a .toroidal-shell4{
    display: flex;
    align-items: center;
    width: 100%;
    height: 56.25vw;
    background: #000;
    position: relative;
    overflow: hidden;
}
.toroidal-shell-a .toroidal-shell4 .toroidal-shell4-left{
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}
.toroidal-shell-a .toroidal-shell4 .toroidal-shell4-right{
    position: absolute;
    left: 57.5vw;
}
.toroidal-shell-a .toroidal-shell4 .toroidal-shell4-right h2{
    font-size: 3.333333vw;
    line-height: 1.25;
    white-space: nowrap;
    color: #fff;
    margin-bottom: 1.5625vw;
}
.toroidal-shell-a .toroidal-shell4 .toroidal-shell4-right p{
    width: 30vw;
    font-size: 1.25vw;
    line-height: 1.6;
    color: #fff;
}
.toroidal-shell-a .toroidal-shell4 .toroidal-shell3-tlt{
    position: absolute;
    left: 11.458333vw;
    bottom: 6.5625vw;
    color: #999999;
    font-size: 12px;
    line-height: 1.6;
}
.toroidal-shell-a .toroidal-shell5{
    position: relative;
    width: 100%;
    height: 50vw;
    background: #000;
}
.toroidal-shell-a .toroidal-shell5 .toroidal-shell5-right{
    position: absolute;
    width: 100%;
}
.toroidal-shell-a .toroidal-shell5 .toroidal-shell5-left{
    position: absolute;
    width: 36.666667vw;
    display: flex;
    flex-direction: column;
    left: 12.5vw;
    top: 10.416667vw;
}
.toroidal-shell-a .toroidal-shell5 .toroidal-shell5-left .toroidal-shell5-left-top h2{
    font-size: 3.333333vw;
    line-height: 1.25;
    white-space: nowrap;
    color: #fff;
    margin-bottom: 1.5625vw;
}
.toroidal-shell-a .toroidal-shell5 .toroidal-shell5-left .toroidal-shell5-left-top p{
    width: 30vw;
    font-size: 1.25vw;
    line-height: 1.6;
    color: #fff;
}
.toroidal-shell-a .toroidal-shell5 .toroidal-shell5-left .toroidal-shell5-left-bottom{
    display: flex;
    flex-wrap: wrap;
    margin-top: 3.125vw;
    margin-left: .260417vw;
}
.toroidal-shell-a .toroidal-shell5 .toroidal-shell5-left .toroidal-shell5-left-bottom div{
    display: flex;
    align-items: center;
}
.toroidal-shell-a .toroidal-shell5 .toroidal-shell5-left .toroidal-shell5-left-bottom div:nth-of-type(1){
    margin-bottom: 4.166667vw;
}
.toroidal-shell-a .toroidal-shell5 .toroidal-shell5-left .toroidal-shell5-left-bottom div:nth-of-type(2){
    margin-left: 5vw;
    margin-bottom: 4.166667vw;
}
.toroidal-shell-a .toroidal-shell5 .toroidal-shell5-left .toroidal-shell5-left-bottom div:nth-of-type(4){
    margin-left: 8vw;
}
.toroidal-shell-a .toroidal-shell5 .toroidal-shell5-left .toroidal-shell5-left-bottom div img{
    width: 2.291667vw;
    height: 3.020833vw;
    margin-right: .729167vw;
}
.toroidal-shell-a .toroidal-shell5 .toroidal-shell5-left .toroidal-shell5-left-bottom div p{
    font-size: 1.666667vw;
    color: #fff;
    margin-bottom: .3125vw;
    line-height: 1.25;
    font-weight: 500;
}
.toroidal-shell-a .toroidal-shell5 .toroidal-shell5-left .toroidal-shell5-left-bottom div span{
    font-size: 1.25vw;
    color: #fff;
    white-space: nowrap;
    line-height: 1.6;
}
.toroidal-shell-a .toroidal-shell6{
    width: 100%;
    overflow: hidden;
}
.toroidal-shell-a .toroidal-shell6 .phonecase-sec4 {
    background-color: #000000;
    display: flex;
    position: relative;
}

.toroidal-shell-a .toroidal-shell6 .phonecase-sec4 .gradual-changebar {
    position: absolute;
    left: 56.354167vw;
    top: 29.739583vw;
}

.toroidal-shell-a .toroidal-shell6 .phonecase-sec4 .sec4-img-container {
    width: 49.479167vw;
}
.toroidal-shell-a .toroidal-shell6 .phonecase-sec4 .sec4-text-container {
    width: 33.333333vw;
    order: 2;
    margin-bottom: 4.635417vw;
}

.toroidal-shell-a .toroidal-shell6 .phonecase-sec4 .sub-title {
    width: 33.333333vw;
    font-weight: bold;
    color: #ffffff;
    font-size: 3.333333vw;
    line-height: 1.25;
    text-align: start;
    margin: 16.25vw 0 4.166667vw 6.25vw;
    display: none;
}

.toroidal-shell-a .toroidal-shell6 .sec4-text-container .sub-title.active {
    display: block;

}

.toroidal-shell-a .toroidal-shell6 .phonecase-sec4 .sec4-img-container img {
    display: none;
}

.toroidal-shell-a .toroidal-shell6 .phonecase-sec4 .sec4-img-container img.active {
    display: block;
    height: 50vw;
}

.toroidal-shell-a .toroidal-shell6 .phonecase-sec4 .line-box {
    position: relative;
    z-index: 8;
}
.toroidal-shell-a .toroidal-shell6 .phonecase-sec4 .line{
    width: 17.864583vw;
    height: 1px;
    position: absolute;
    left: 7.291667vw;
    top: 3.645833vw;
    background: rgba(64, 64, 64,.5);
}
.toroidal-shell-a .toroidal-shell6 .phonecase-sec4 .circlebtn {
    cursor: pointer;
    outline: 0;
    width: 7.291667vw;
    height: 7.291667vw;
    border-radius: 3.645833vw;
    background:  #404040;
    display: flex;
    align-items: center;
    justify-content: center;
}

.toroidal-shell-a .toroidal-shell6 .line-box .circlebtn.btnactive {
    border: 1px solid #fff;
    transform-origin: center;
}

.toroidal-shell-a .toroidal-shell6 .phonecase-sec4 .circlebtn .innercircle {
    display: none;
}

.toroidal-shell-a .toroidal-shell6 .phonecase-sec4 .leftcircle {
    position: absolute;
    left: 0;
}

.toroidal-shell-a .toroidal-shell6 .phonecase-sec4 .midcircle {
    position: absolute;
    left: 12.5vw;
}

.toroidal-shell-a .toroidal-shell6 .phonecase-sec4 .rightcircle {
    position: absolute;
    left: 25vw;
    top: 0;
}

.toroidal-shell-a .toroidal-shell6 .phonecase-sec4 .circlebtn>div {
    font-weight: 500;
    color: rgba(216, 216, 216, 0.51);
    font-size: 1.25vw;
    line-height: 1.6;
    text-align: center;
}

.toroidal-shell-a .toroidal-shell6 .phonecase-sec4 .circlebtn>div.kindactive {
    color: #fff;
    transform: scale(1.3334);
    -webkit-transform: scale(1.3334);
    -moz-transform: scale(1.3334);
    -ms-transform: scale(1.3334);
    -o-transform: scale(1.3334);
    transform-origin: 50% 50%;
}

.toroidal-shell-a .toroidal-shell7{
    width: 100%;
    display: flex;
    align-items: center;
}
.toroidal-shell-a .toroidal-shell7 .toroidal-shell7-right{
    width: 51.5625vw;
    margin-left: 1.5625vw;
}
.toroidal-shell-a .toroidal-shell7 .toroidal-shell7-con{
    width: 100%;
}
.toroidal-shell-a .toroidal-shell7 .toroidal-shell7-left{
    margin-left: 12.5vw;
}
.toroidal-shell-a .toroidal-shell7 .toroidal-shell7-left h2{
    font-size: 3.333333vw;
    line-height: 1.25;
    white-space: nowrap;
    color: #000;
    margin-bottom: 1.5625vw;
}
.toroidal-shell-a .toroidal-shell7 .toroidal-shell7-left p{
    width: 30.416667vw;
    font-size: 1.25vw;
    line-height: 1.6;
    color: #000;
}
.toroidal-shell-a .toroidal-shell8{
    width: 100%;
    display: flex;
    align-items: center;
}
.toroidal-shell-a .toroidal-shell8 .toroidal-shell8-left{
    width: 41.354167vw;
    margin-top: 3.125vw;
    margin-left: 6.25vw;
    margin-bottom: 3.125vw;
}
.toroidal-shell-a .toroidal-shell8 .toroidal-shell8-right{
    margin-left: 6.25vw;
}
.toroidal-shell-a .toroidal-shell8 .toroidal-shell8-right h2{
    font-size: 3.333333vw;
    line-height: 1.25;
    white-space: nowrap;
    color: #000;
    margin-bottom: 1.5625vw;
}
.toroidal-shell-a .toroidal-shell8 .toroidal-shell8-right p{
    width: 33.75vw;
    font-size: 1.25vw;
    line-height: 1.6;
    color: #000;
}
.toroidal-shell-a .toroidal-shell9{
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.toroidal-shell-a .toroidal-shell9 .toroidal-shell9-con{
    width: 100%;
    height: 56.25vw;
}
.toroidal-shell-a .toroidal-shell9 .toroidal-shell9-content{
    width: 100%;
    height: 56.25vw;
}
.toroidal-shell-a .toroidal-shell9 .toroidal-shell9-top{
    margin-top: 6.25vw;
    margin-bottom: -15.260417vw;
    z-index: 2;
}
.toroidal-shell-a .toroidal-shell9 .toroidal-shell9-top h2{
    font-size: 3.333333vw;
    line-height: 1.25;
    white-space: nowrap;
    color: #000;
    margin-bottom: 1.5625vw;
}
.toroidal-shell-a .toroidal-shell9 .toroidal-shell9-top p{
    width: 31.25vw;
    font-size: 1.25vw;
    line-height: 1.6;
    color: #000;
    text-align: center;
}
.toroidal-shell-a .toroidal-shell10{
    width: 70.364583vw;
    margin: 0 auto;
    margin-top: 10.416667vw;
    margin-bottom: 10.416667vw;
}
.toroidal-shell-a .toroidal-shell10 ul{
    width: 100%;
    list-style-type: decimal;
    padding: 0;
}
.toroidal-shell-a .toroidal-shell10 li{
    font-size: 12px;
    line-height: 1.6;
    color: #666666;
}
@media screen and (min-width: 1920px){
    .toroidal-shell-a .toroidal-shell10 li{
        font-size: .625vw;
    }
    .toroidal-shell-a .toroidal-shell3 .toroidal-shell3-tlt{
        font-size: .625vw;
    }
    .toroidal-shell-a .toroidal-shell4 .toroidal-shell3-tlt{
        font-size: .625vw;
    }

}
@media (max-aspect-ratio: 11 / 10) {
    .toroidal-shell-a .toroidal-shell1{
        background: #000;
        height: 150vw;
    }
    .toroidal-shell-a .toroidal-shell1 .toroidal-shell1-left{
        width: 137.222222vw;
        margin-top: -26.666667vw;
        margin-left: -18.611111vw;
    }
    .toroidal-shell-a .toroidal-shell1 .toroidal-shell1-right{
        width: 76.458333vw;
        left: 11.805556vw;
        top: 22.222222vw;
    }
    .toroidal-shell-a .toroidal-shell1 .toroidal-shell1-right img{
        width: 76.458333vw;
    }
    .toroidal-shell-a .toroidal-shell1 .toroidal-shell1-right p{
        font-size: 3.333333vw;
        margin-top: 4.166667vw;
    }
    .toroidal-shell-a .toroidal-shell2{
        flex-direction: column;
    }
    .toroidal-shell-a .toroidal-shell2 .toroidal-shell2-left{
        width: 82.777778vw;
        margin-left: 0;
        margin-top: 22.222222vw;
        margin-bottom: 2.777778vw;
    }
    .toroidal-shell-a .toroidal-shell2 .toroidal-shell2-left h2{
        font-size: 8.888889vw;
        line-height: 1.25;
        margin-bottom: 4.166667vw;
    }
    .toroidal-shell-a .toroidal-shell2 .toroidal-shell2-left p{
        font-size: 3.333333vw;
        line-height: 1.6;
    }
    .toroidal-shell-a .toroidal-shell2 .toroidal-shell2-right{
        width: 59.583333vw;
        margin: 0;
        margin-bottom: 8.333333vw;
    }
    .toroidal-shell-a .toroidal-shell3{
        height: 194.444444vw;
    }
    .toroidal-shell-a .toroidal-shell3 .toroidal-shell3-con{
        background: #000;
    }
    .toroidal-shell-a .toroidal-shell3 .toroidal-shell3-con .toroidal-shell3-bottom{
        width: 100%;
    }
    .toroidal-shell-a .toroidal-shell3 .toroidal-shell3-top{
        top: 22.222222vw;
    }
    .toroidal-shell-a .toroidal-shell3 .toroidal-shell3-top h2{
        font-size: 8.888889vw;
        line-height: 1.25;
        margin-bottom: 4.166667vw;
        text-align: center;
    }
    .toroidal-shell-a .toroidal-shell3 .toroidal-shell3-top h2 .toroidal-br{
        display: inline;
    }
    .toroidal-shell-a .toroidal-shell3 .toroidal-shell3-top p{
        margin: 0;
        white-space: nowrap;
        width: 70vw;
        font-size: 3.333333vw;
        line-height: 1.6;
    }
    .toroidal-shell-a .toroidal-shell3 .toroidal-shell3-tlt{
        width: max-content;
        white-space: nowrap;
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        bottom: 8.333333vw;
        color: #999999;
        font-size: 3.333333vw;
    }
    .toroidal-shell-a .toroidal-shell4{
        display: flex;
        align-items: center;
        flex-direction: column-reverse;
        position: relative;
        height: 166.666667vw;
        margin-top: -1px;
    }
    .toroidal-shell-a .toroidal-shell4 .toroidal-shell4-left{
        width: 100%;
        margin: 0;
    }
    .toroidal-shell-a .toroidal-shell4 .toroidal-shell4-right{
        position: absolute;
        margin-left: 0;
        top: 13.888889vw;
        left: auto;
    }
    .toroidal-shell-a .toroidal-shell4 .toroidal-shell4-right h2{
        font-size: 8.888889vw;
        line-height: 1.25;
        margin-bottom: 4.166667vw;
        text-align: center;
    }
    .toroidal-shell-a .toroidal-shell4 .toroidal-shell4-right p{
        width: 80vw;
        font-size: 3.333333vw;
        line-height: 1.6;
    }
    .toroidal-shell-a .toroidal-shell4 .toroidal-shell3-tlt{
        position: absolute;
        left: 11.388889vw;
        bottom: 16.666667vw;
        color: #999999;
        font-size: 3.333333vw;
    }
    .toroidal-shell-a .toroidal-shell5{
        height: 180.555556vw;
    }
    .toroidal-shell-a .toroidal-shell5 .toroidal-shell5-left .toroidal-shell5-left-top h2{
        width: 80vw;
        font-size: 8.888889vw;
        line-height: 1.25;
        margin-bottom: 4.166667vw;
        margin-top: 13.888889vw;
    }
    .toroidal-shell-a .toroidal-shell5 .toroidal-shell5-left .toroidal-shell5-left-top p{
        width: 76.666667vw;
        font-size: 3.333333vw;
        line-height: 1.6;
    }
    .toroidal-shell-a .toroidal-shell5 .toroidal-shell5-left .toroidal-shell5-left-bottom div img{
        width: 6.111111vw;
        height: 8.194444vw;
        margin-right: 1.388889vw;
    }
    .toroidal-shell-a .toroidal-shell5 .toroidal-shell5-left .toroidal-shell5-left-bottom div p{
        font-size: 4.444444vw;
        margin-bottom: .833333vw;
        line-height: 1.6;
    }
    .toroidal-shell-a .toroidal-shell5 .toroidal-shell5-left .toroidal-shell5-left-bottom div span{
        font-size: 3.333333vw;
    }
    .toroidal-shell-a .toroidal-shell5 .toroidal-shell5-left .toroidal-shell5-left-bottom{
        margin-top: 8.333333vw;
        margin-left: 0;
    }
    .toroidal-shell-a .toroidal-shell5 .toroidal-shell5-left{
        margin: 0;
        width: 80vw;
        top: 0;
        left: 50%;
        transform: translateX(-50%);
    }
    .toroidal-shell-a .toroidal-shell5 .toroidal-shell5-left .toroidal-shell5-left-bottom div:nth-of-type(2){
        margin-left: 6.944444vw;
    }
    .toroidal-shell-a .toroidal-shell5 .toroidal-shell5-left .toroidal-shell5-left-bottom{
        width: 86.527778vw;
    }
    .toroidal-shell-a .toroidal-shell5 .toroidal-shell5-left .toroidal-shell5-left-bottom div:nth-of-type(4){
        margin-left: 14.305556vw;
    }
    .toroidal-shell-a .toroidal-shell6 .phonecase-sec4{
        width: 100%;
        flex-direction: column;
    }
    .toroidal-shell-a .toroidal-shell6 .phonecase-sec4 .sec4-img-container{
        width: 100%;
    }
    .toroidal-shell-a .toroidal-shell6 .phonecase-sec4 .sec4-img-container img.active{
        width: 100%;
        height: auto;
    }
    .toroidal-shell-a .toroidal-shell6 .phonecase-sec4 .sec4-text-container{
        width: 88.888889vw;
        order: 0;
        margin-bottom: 6.944444vw;
    }
    .toroidal-shell-a .toroidal-shell6 .phonecase-sec4 .sub-title{
        width: 100%;
        height: 23.611111vw;
        font-size: 8.888889vw;
        line-height: 1.6;
        text-align: start;
        margin-top: 22.222222vw;
    }
    .toroidal-shell-a .toroidal-shell6 .phonecase-sec4 .gradual-changebar{
        width: 100%;
        height: 15.833333vw;
        position: static;
        margin-top: 8.333333vw;
        margin-bottom: 8.888889vw;
    }
    .toroidal-shell-a .toroidal-shell6 .phonecase-sec4 .lineposition{
        margin: 0 auto;
        width: 70.555556vw;
        position: relative;
    }
    .toroidal-shell-a .toroidal-shell6 .phonecase-sec4 .circlebtn{
        width: 15.833333vw;
        height: 15.833333vw;
        border-radius: 7.916667vw;
        background: #404040;
    }
    .toroidal-shell-a .toroidal-shell6 .phonecase-sec4 .line-box{
        margin: 0 auto;
        width: 70.555556vw;
        display: flex;
        justify-content: space-between;
    }
    .toroidal-shell-a .toroidal-shell6 .phonecase-sec4 .line{
        width: 38.888889vw;
        top: 7.916667vw;
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}