.img_main {
	width: calc( 1920px / 2 );
	height: calc( 700px / 2 );
	margin-top: 10px;
}

.img_main_mobile {
	display: none;
}

.img_navi_bland_logo {
	width: calc( 850px / 2 );
	height: calc( 60px / 2 );
}

.img_navi_corporate_logo {
	width: calc( 192px / 2 );
	height: calc( 80px / 2 );
}


.img_banner {
	border: 1px solid #cccccc;
	width: calc( 600px / 2 );
	height: calc( 440px / 2 );
	box-sizing: content-box;
}