/* -------------------------- */
/* TOPへ戻るボタン*/
/* -------------------------- */

#page-top {
    position: fixed;
    bottom: 20px;
    right: 30px;
    font-size: 77%;
    z-index: 1;
    filter:alpha(opacity=70);
    -moz-opacity: 0.7;
    opacity: 0.7;
}


#page-top a {
    background:#888 ;
    text-decoration: none;
    color: #fff;
    width: 75px;
    padding: 25px 0;
    font-size: 2.0em;
    text-align: center;
    display: block;
    border-radius: 300px;
    text-decoration: none;
}
#page-top a:hover {
    text-decoration: none;
    background: #888;
}