.l-float-contents__content {
    padding: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

@media screen and (min-width: 768px), print {
    .l-float-contents__content {
        padding: 10px 0;
    }
    .l-float-contents__content .c-btn__item {
        width: 100%;
    }
}