.kv,
.kv-inner {
    margin-top: 65px;
    /* 解決fixed-top遮蓋問題 */
}

.kv {
    position: relative;
    z-index: 1;
}

.kv-slogan {
    position: absolute;
    z-index: 2;
    width: 30vw;
    top: 35%;
    left: 5%;
    animation: move 4s infinite;
}

@keyframes move {
    0% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(20px);
    }

    100% {
        transform: translateY(0);
    }
}