#pamph_relative {position: relative;}
.seikyu_box { position:absolute; z-index:1; top: 0px; left:-1px; cursor: pointer; visibility: hidden }
.seikyu_box_12 { position:absolute; z-index:1; top: 0px; left:-1px; cursor: pointer; visibility: visible }
#tab a:hover img {  opacity: 0.5; filter: alpha(opacity=50); -moz-opacity: 0.5; }