.modal-contents{
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;

    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;

    z-index: 10000;
    background: rgba(0,0,0,.9);
}
.modal-contents a{
    width: 1200px;
    height: 630px;
}
.modal-contents a.modal-close{
    width: 38px;
    height: 38px;
    margin-top: 15px;
}
.modal-contents.hidding{
    display: none;
}
@media screen and (max-width: 750px){
    .modal-contents{
        justify-content: flex-start;
    }
    .modal-contents a{
        width: 80vw;
        height: auto;
        margin-top: 5vw;
    }
    .modal-contents a.modal-close{
        width: calc((38 / 750) * 100vw);
        height: calc((38 / 750) * 100vw);
        margin-top: calc((30 / 750) * 100vw);
    }
}