.banner-div>div>h3{
    display: inline-block;
    padding: 10px 20px;
    background-color: var(--bg-color-1);
}
.mobile-ele{
    display: none;
}

@media screen and (max-width: 768px) {
    .pc-ele{
        display: none;
    }
    .mobile-ele{
        display: block;
        line-height: 1.2em;
    }
}