.nav       { background: url(../image/bg_head_05.png) repeat-x; text-align: center; position: absolute; z-index: 50; top: 0px; width: 100%; height: 80px }
.nav_box     { background: url(../image/bg_head_16.png) no-repeat; text-align: right; margin: 0px auto; width: 1200px; height: 80px }
.nav_01    { margin: 0px auto; width: 1200px; height: 80px; }

.nav li {
	list-style: none;
	float: left;
}

.nav ul { padding: 0; margin: 0; }

.fixed {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
}