/* ------------------------------------------------------------------------


    カテゴリTOP


------------------------------------------------------------------------ */
#mainv { height:300px; padding-bottom:0;
    background-repeat:no-repeat; background-position:center center; background-size:cover }
    body.page_catindex_know #mainv { background-image:url(/karadakaizen/know/images/mainv_cat.jpg); }
    body.page_catindex_enhance #mainv { background-image:url(/karadakaizen/enhance/images/mainv_cat.jpg); }
    body.page_catindex_topics #mainv { background-image:url(/karadakaizen/topics/images/mainv_cat.jpg); }
#mainv h1.title { color:#fff; font-size:5rem; font-weight:bold; line-height:300px; }
@media only screen and (max-width:640px) {
    #mainv { height:50vw; }    
    #mainv h1.title { font-size:2.8rem; line-height:50vw; }
}