@namespace url(http://www.w3.org/1999/xhtml);
@-moz-document domain("japan.zdnet.com") {
    /* ads */
    .ad_bnr {
        display: none !important;
    }
    .squarebadge {
        display: none !important;
    }
    #social_bkm {
        display: none !important;
    }
    .ad_text {
        display: none !important;
    }
}