#header{/*帯背景*/
background-image:url(../images/header_bg.jpg);
background-repeat: repeat;
background-position:top center;
}

.header_main{/*メイン画像*/
background-image:url(../images/header_main.jpg);
background-repeat: no-repeat;
background-position:center;
background-size:cover;
}

#main{
background-color:#FFFFFF;
}

.footer{
background-image:url(../images/footer_bg.jpg);
background-repeat: repeat;
background-position:top center;
}

a:hover img{
opacity: 0.7;
filter: alpha(opacity=70);
}

#article1 .section{
display: none;
}

#article1 .info_botan:hover + .section{/*セクションホバーで非表示リストを表示*/
display: block;
}