@media Screen and (max-width:1419px) {
    header > div#Top > div#Top_nav {
        width: 98%;
    } 

    article > div.main > div.content {
        width: 98%;

    } 
    
    footer > .mark {
        width: 98%;
    } 
    
    footer > .mark {
        text-align: left;
    } 
    
    footer > div.mark > address {
        width: 98%;
    }
}

@media Screen and (max-width:1000px) {
    article > div.main {
        background-image: none;
    }
}

@media Screen and (max-width:800px) {
    footer > div.mark > div.paneD {
        display: none;
    } 

    footer > div.mark > nav > ul > li:nth-child(1), 
    footer > div.mark > nav > ul > li:nth-child(2), 
    footer > div.mark > nav > ul > li:nth-child(3) {
        display: none;
    }
}