.si{background:url(../png/sprite_icon.png) no-repeat 0 0;display:inline-block;vertical-align:middle;}
.si.home_icon_01{width:109px;height:79px;background-position:0 0;}
.si.home_icon_02{width:109px;height:79px;background-position:-109px 0;}
.si.home_icon_03{width:109px;height:79px;background-position:-218px 0;}
.si.home_icon_04{width:109px;height:79px;background-position:-327px 0;}
.si.home_icon_05{width:109px;height:79px;background-position:-436px 0;}
.si.home_icon_06{width:109px;height:79px;background-position:-545px 0;}