
.sau td {
    padding-bottom: 10px;
    text-align: center;
}

.sau_youtube {
    margin: 30px auto;
    max-width: 644px;
    position: relative;
}

.sau_youtube_sp {
    margin: 30px auto;
    max-width: 100%;
    position: relative;
}
.sau_youtube_btn {
    position: absolute;
    bottom: 10px;
}
.sau_youtube_btn img {
    filter: drop-shadow(2px 2px 5px rgba(0,0,0,0.2));
}

