.content_preparation {
    position: relative;
}

.content_preparation .link_preparation {
    position: absolute;
    max-width: 100%;
}

.content_preparation .pc .link_preparation {
    width: 21.5%;
    bottom: 22%;
    right: 40.3%;
}

.content_preparation .sp .link_preparation {
    width: 43%;
    bottom: 29.7%;
    right: 4.3%;
}