body{
	margin: 0px;
	font-family:sans-serif;
}
.common_menu	 {
	float:left;
	text-align:left; 
	margin: 0px auto 0px;
	width:20%;
	background: #e0e0e0;
	color:#000000;
	border:2px solid #404040;
	}
.common_menu > h2 {
	margin: 0px 0px 0px;
}
.common_menu a {
	color:#0000ff;
}
.common_menu li {
	list-style-type: none;
}
.common_menu ul{
	margin: 0 auto 0;
	padding: 0;
}
.box_lv1 li:hover	 {
	background: #37A372; color:#ffffff;
}
.box_lv2 li:hover	 {
	background: #9A0000; color:#ffffff;
}
.box_lv3 li:hover	 {
	background: #424242; color:#ffffff;
}

.common_menu li {
	margin:0.25em;
	text-indent: 0.5em;
	border-radius: 0.5em;
}
.common_menu li:hover a{
	color:#ffffff;
}

.box_block { 
	margin:  8px;
	padding: 4px;
	}
.box_lv1 li	{background: #e0ffe0; border:2px solid #37A372; }
.box_lv2 li	{background: #ffe0e0; border:2px solid #9A0000; }
.box_lv3 li	{background: #d0d0d0; border:2px solid #424242; }

.main	 {
	margin: 0px auto 0px;
	display: table;
	width:75%;
	max-width:1024px;
}

.main img	{
	max-width: 100%;
	height:auto;
}

@media screen and (max-width: 1056px){
	.common_menu	{display: none;  width:0;}
	.main			{width:100%;}
}
@media screen and (min-width: 1056px){
	.common_menu	{display: inline;}
}


h2		 { text-align:center; margin-right:auto; margin-left:auto;}
h3		 { text-align:center; margin-right:auto; margin-left:auto;}

.ie_box	{ text-align:center; margin: 24px;}
.left_box	{margin: 24px;}
.ninja_onebutton{ text-align:center; margin-right:auto; margin-left:auto; width: 320px;}

table	 { margin: 12px; border-spacing: 1px;}
.dlbox	 { border:2px ridge #e0e0e0; margin:16px auto;}
.dlbox td{ border:2px groove #e0e0e0; margin:8px;}
.dlbox th{ border:2px groove #e0e0e0; margin:8px;}
.scroll_box	{overflow:auto; height:10em; border:2px groove #000000;}
.copy	 { text-align:right; margin: 8px;}

.dlicon	 { margin:0.5em; max-height:3em;}

.ss	 { border:none; max-height:240px;}
.ssw	 { border:none; max-height:240px;}
.ssp	 { border:none; width:320px; }
.sub	 { font-size:75%;}
.big	 { font-size:125%;}
.small	 { font-size:50%;}
.caption { vertical-align:text-top; text-align:left;}

.spoiler {
	height:100vh;
	width: auto;
	max-width:100vw;
	object-fit: cover;
}