#gnavi-area { margin: 0 auto; width: 1000px; height: 151px; background: url(../img/global/koso_header.jpg) left top no-repeat; }
		#headerArea { overflow: hidden; zoom: 1; margin-left: 400px;}
		#g-menu li {
			float: left;
			position: relative;
			z-index: 3;
		}
			#g-menu li a {
				background: url(../img/global/koso_header_under-on.jpg) left top no-repeat;
				display: -moz-inline-box;
				display: inline-block;
 margin-top: 116px;

			}
				#g-menu li.product a { background-position: -99px 0; }
				#g-menu li.about a { background-position: -311px 0; }
				#g-menu li.blog a { background-position: -424px 0; }
				#g-menu li.contact a { background-position: -507px 0; }
				#g-menu li.mypage a { background-position: -588px 0; }
			#g-menu li a:hover {
				position: static;
			}
			#g-menu li a:hover img ,
			#g-menu li#current a img {
				position: relative;
				z-index: -1;
			}