/* ===== ロールオーバーボタン ===== */
.detail2 a {
       display: block;
       margin: 0 0 0 384px;
       width: 90px;
       height: 22px;
}
.detail2 img {
       width: 90px;
       height: 22px;
       border: none;
}
.detail2 a:link,.detail2 a:visited {
       background-image: url(image/botan_mail.gif);
       background-position: 0 0;
} 
.detail2 a:hover {
       background-image: url(image/botan_mail.gif);
       background-position: 0 22px;

}