.header {
     background-image: url("../images/agreement-banner.png");
 }
.section-main {
    margin-top: 0.4rem;
}
.div-main-text {
    margin-top: 0.8rem;
}
.div-mani-text-title {
    font-size: 0.48rem;
    margin-bottom: 0.50rem;
}
.div-main-text-content {
    font-size: 0.36rem;
    margin-bottom: 1.2rem;
}

@media all and (max-width:959px) {
    .header {
        background-image: url("../images/agreement-banner-m.png");
    }
}