#area-frame-l {
	width:100%;
}

#area-frame-l #sidebar {
	float:left;
	width:30%;
}
#area-frame-l #sidebar ul { /* sidemenu setting */
    list-style-type:none;
}
#area-frame-l #sidebar ul li a {
    text-decoration:none;
}

#area-frame-l #main-area {
	float:left;
	width:70%;
}