section.menu {
	display:block;
	line-height:1.6em;
	font-size:large;
	text-align:left;
	margin:0px 12px 0px 12px;
}

section.menu .th, .td {
	display:inline-block;
	width:100%;
	margin:0px 0px 4px 4px;
}

section.menu .th {
	box-sizing:border-box;
	font-weight:normal;
}

section.menu .td {
	text-align:right;
}

/* level-1 */
section.menu .table .th {
	background-color:#9CF;
	text-decoration:lighter;
	text-align:left;
	padding:4px 4px 0px 0px;
	border:none;
	color:#000;
}

/* level-2 */
section.menu .table .children .th {
	background-color:#FFF;
	text-decoration:lighter;
	text-align:left;
	border:solid 1px #000;
	color:#000;
	padding:12px 8px 8px 8px;
}

section.menu span.arrow {
	display:block;
	height:1.6em;
	margin-right:10px;
	position:relative;
	padding:0px 0px 0px 12px;
	color:#000;
	font-size:large;
	font-weight:lighter;
	text-decoration:none;
}

section.menu span.arrow::after {
	position:absolute;
	top:35%;
	right:10px;
	width:7px;
	height:7px;
	margin-top:-4px;
	border-top:solid 2px #000;
	border-right:solid 2px #000;
	-webkit-transform:rotate(135deg);
	transform:rotate(135deg);
	content:"";
}

section.menu span.closed {
}
section.menu span.closed::after {
	position:absolute;
	top:50%;
	right:10px;
	width:7px;
	height:7px;
	margin-top:-4px;
	border-top:solid 2px #000;
	border-right:solid 2px #000;
	-webkit-transform:rotate(315deg);
	transform:rotate(315deg);
	content:"";
}