#topwaku a:hover img{
background:#fff;
filter: alpha(opacity=80);
opacity:0.8;
}
/*--------------------alpha01------------------*/
#main_menu ul li a:hover{
background:#fff;
filter: alpha(opacity=20);
opacity:0.2;
}

#main_menu ul li a{
display:block;
height:64px;
width:197px;
text-indent:-9999px;
text-align:left;
outline:none;

}

#main_menu01{
background:url(img/common/main_menu01.jpg) no-repeat 0px 0px;
height:64px;
padding:3px 0px 0px;}
#main_menu02{
background:url(img/common/main_menu02.jpg) no-repeat 0px 0px;
height:64px;
padding:3px 0px 0px;}
#main_menu03{
background:url(img/common/main_menu03.jpg) no-repeat 0px 0px;
height:64px;
padding:3px 0px 0px;}


#main_menu_blog a:hover{
background:#fff;
filter: alpha(opacity=20);
opacity:0.2;
}

#main_menu_blog{
background:url(img/common/main_menu_blog.jpg) no-repeat 0px 0px;
height:69px;
outline:none;}
#main_menu_blog a{
height:69px;
width:194px;
display:block;
text-indent:-9999px;
outline:none;}


/*--------------------alpha02------------------*/