/*共通　左のナビゲーション---------------------------------------*/
#so-navi {width:177px;padding :0 0 20px 0;margin: 8px 0 0 0;}
#so-navi span{display:none;}
#so-navi ul { margin: 0; padding :0; list-style-type : none; }
#so-navi li { display : inline; padding :0; margin:0; }

#so-navi #menu_a_1{background-image:url(../solution/img/menu-s01_f2.gif);background-repeat:no-repeat;}
#so-navi #menu_a_2{background-image:url(../solution/img/menu-s02_f2.gif); background-repeat:no-repeat;}
#so-navi #menu_a_3{background-image:url(../solution/img/menu-s03_f2.gif);background-repeat:no-repeat;}
#so-navi #menu_a_4{background-image:url(../solution/img/menu-s04_f2.gif); background-repeat:no-repeat;}
#so-navi #menu_a_5{background-image:url(../solution/img/menu-s05_f2.gif); background-repeat:no-repeat;}
#so-navi #menu_a_6{background-image:url(../solution/img/menu-s06_f2.gif); background-repeat:no-repeat;}
#so-navi #menu_a_7{background-image:url(../solution/img/menu-s07_f2.gif); background-repeat:no-repeat;}


#so-navi #menu_a_1 a{background-image:url(../solution/img/menu-s01.gif);width:177px;height:45px;background-repeat:no-repeat;margin:0;padding:0;display:block;}
#so-navi #menu_a_1 a:hover{background-image:url(../solution/img/menu-s01_f2.gif);background-repeat:no-repeat;}

#so-navi #menu_a_2 a{background-image:url(../solution/img/menu-s02.gif);width:177px;height:45px;background-repeat:no-repeat;margin:0;padding:0;display:block;}
#so-navi #menu_a_2 a:hover{background-image:url(../solution/img/menu-s02_f2.gif); background-repeat:no-repeat;}

#so-navi #menu_a_3 a{background-image:url(../solution/img/menu-s03.gif);width:177px;height:45px;background-repeat:no-repeat;margin:0;padding:0;display:block;}
#so-navi #menu_a_3 a:hover{background-image:url(../solution/img/menu-s03_f2.gif);background-repeat:no-repeat;}

#so-navi #menu_a_4 a{background-image:url(../solution/img/menu-s04.gif);width:177px;height:45px;background-repeat:no-repeat;margin:0;padding:0;display:block;}
#so-navi #menu_a_4 a:hover{background-image:url(../solution/img/menu-s04_f2.gif); background-repeat:no-repeat;}

#so-navi #menu_a_5 a {background-image:url(../solution/img/menu-s05.gif);width:177px;height:45px;background-repeat:no-repeat;margin:0;padding:0;display:block;}
#so-navi #menu_a_5 a:hover{background-image:url(../solution/img/menu-s05_f2.gif); background-repeat:no-repeat;}

#so-navi #menu_a_6 a{background-image:url(../solution/img/menu-s06.gif);width:177px;height:45px;background-repeat:no-repeat;margin:0;padding:0;display:block;}
#so-navi #menu_a_6 a:hover{background-image:url(../solution/img/menu-s06_f2.gif); background-repeat:no-repeat;}

#so-navi #menu_a_7 a{background-image:url(../solution/img/menu-s07.gif);width:177px;height:45px;background-repeat:no-repeat;margin:0;padding:0;display:block;}
#so-navi #menu_a_7 a:hover{background-image:url(../solution/img/menu-s07_f2.gif); background-repeat:no-repeat;}