video {
    position: fixed;
    right: 0;
    bottom: 0;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    z-index: 0;
}

.mask {
    position: fixed;
    top: 0;
    bottom: 0;
    right: 0;
    left: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 98;
}

.hover-container {
    position: absolute;
    top: 8%;
    width: 80%;
    text-align: center;
    right: 10%;
}

.logo {
    width: 140px;
}

.title {
    margin: 15% 0 0;
    font-size: 60px;
}

.child-title {
    width: 68%;
    margin: 0 auto;
    font-weight: 100;
    font-size: 14px;
}

.desc {
    font-size: 21px;
    font-weight: 100;
    width: 80%;
    margin: 3% auto 6%;
}

.line-enter {
    width: 32%;
    display: inline-block;
}
.line-enter p{
    color: #ffffff;
}

.btn-enter {
    width: 90%;
    max-width: 330px;
    margin: 0 auto;
    border: 1px solid;
    border-radius: 36px;
    padding: 8px;
    font-size: 20px;
    cursor: pointer;
}

.btn-enter:hover {
    background: rgba(255, 255, 255, 0.4);
    color: #fff;
}

.enter p {
    font-size: 14px;
    font-weight: 100;
}

.bottom {
    position: fixed;
    left: 50%;
    top: 90%;
    transform: translateX(-50%);
    z-index: 99;
    width: 100%;
    text-align: center;
}

.bottom p {
    font-weight: 100;
    font-size: 16px;
    margin: 0px;
}

@media(max-width:738px) {
    video {
        left: -100%;
    }
    .hover-container {
        width: 90%;
        right: 5%;
    }
    .title {
        margin: 20% 0px 5px;
        font-size: 32px;
    }
    .child-title {
        width: 86%;
        font-size: 12px;
    }
    .desc {
        font-size: 17px;
        font-weight: 100;
        width: 83%;
        margin: 6% auto 15%;
    }
    .line-enter {
        width: 100%;
        display: block;
    }
    .btn-enter {
        padding: 6px;
        font-size: 18px;
    }
    .btn-enter:hover {
        background: rgba(255, 255, 255, 0.4);
        color: #fff;
    }
    .enter p {
        font-size: 12px;
        font-weight: 100;
    }
    .bottom {
        top: 2% !important;
    }
    .bottom p {
        font-size: 13px;
        font-weight: bold;
    }
    #gif_bg {
        width: 100%;
        height: 100%;
        background: url(/static/picture/shouji.jpg) center no-repeat;
        background-size: cover;
    }
}