.main{
        background-image: url(https://belc-myojo-demo.web-can.net/webcan-contents/uploads/2026/10/pc背景.jpg);
    }

.main main {
    background: url(https://belc-myojo-demo.web-can.net/webcan-contents/uploads/2026/10/pcタイトル.jpg) center top no-repeat;
}

.container{
        background: #ffffff;
    }
    
@media screen and (max-width: 768px) {
    .main{
        background-image: url(https://belc-myojo-demo.web-can.net/webcan-contents/uploads/2026/10/sp背景.jpg);
    }

.main main {
    background: url(https://belc-myojo-demo.web-can.net/webcan-contents/uploads/2026/10/spタイトル.jpg) center top no-repeat;
}

.container{
        background: #ffffff;
    }

}