body{
	font-family:
    Arial, 
    "Hiragino Kaku Gothic ProN", 
    "Hiragino Sans", 
    Meiryo, 
	sans-serif;
	color: #303030
}

a{
	border-style: none
}

div.header{
	width:100%;
	text-align: center;
	border-bottom: thin solid;
	margin-bottom: 0.5em;
}

div.container{
	width: 100%;
	max-width: 800px;
	margin-left: auto;
	margin-right: auto
}

div.footer{
	border-top: thin solid;
	width:100%;
}

span.footer{
	clear: both
}

div.main{
	width: 520px;
	padding: 0px 3px 6px 10px;
	margin-bottom: 4px; 
	float: left;
}

div.sub{
	width: 220px;
	float: right;
	margin-left: 3px;
	margin-bottom: 4px;
	padding-left: 10px;
}
div.sub a{
	text-decoration: none;
}


img{
	outline-style: none;
	border-style: none
}

img.title{
	outline-width: 0px;
	margin-left: 4px;
	margin-right: 4px;
	margin-bottom: 6px
}

img.menu{	
	outline-width: 0px;	
	margin-top: 1px;
	margin-left: 4px;
	margin-right: 4px;
	margin-bottom: -7px
}

img.section{
	margin-bottom: 6px;
	margin-top: 6px;
}

img.copyright{
	margin-top: 2px;
	padding: 0px 4px 0px 4px;
	float: left
}

img.mail{
	margin-top: 0px;
	padding: 0px 4px 0px 4px;
	float: right
}

img.concert{
	width: 380px;
	margin: 8px;
	text-align: center;
}


hr{
	clear: both;
	border: 1px gray dotted;
}

div.box{
	margin: 0em 2em;
	padding: 0.5em 1em;
    background: #f3f3ff;
	line-height:1.4;
	text-align: center;
	font-family:'MS ゴシック',sans-serif;
	}

div.box p{
    padding-bottom: 8px;
    border-bottom: 2px solid #d0d0f0;
    }

div.box div.concert_title{
	font-size:20pt;
	font-weight:500;
	margin-bottom:12px;
	}

div.stage_title{
	font-size:20pt;
	font-weight:500;
	margin-bottom:12px;
	}

<!--サイドメニュー-->
table#sidemenu{
	border-style: none;
	margin-left: -30px;
	margin-top: -10px;
	margin-bottom: 5px;
}

td.caption{
	padding: 3px 1px 1px 4px;
	font-size: medium;
	font-family: sans-serif;
	border-bottom: 1px solid gray;
	border-left: 1px solid gray;
}

td.content{
	font-size: smaller;
	font-weight: lighter;
	text-decoration: none;
}

<!--本文-->
h1#pagetitle{
	border: 1px dotted gray;
	padding: 2px 2px 2px 4px;
	margin-right: 10px;
	font-size: medium;
	
}

h2.title{
	padding: 5px 3px;
	background-color: #f6f6f6;
	border-bottom: 1px solid blue;
	margin-right: 20px;
	font-weight: normal;
	font-family: sans-serif;
}

h2.sectiontitle{
	padding: 2px 2px 2px 4px;
	margin-right: 10px;
	border-left: 4px double gray;
	border-bottom: 1px solid gray;
	font-size: medium;
	font-family: sans-serif;
	font-weight: normal;
}

h3.subsectiontitle{
	padding: 2px 2px 2px 4px;
	margin-right: 10px;
	border-left: 4px double gray;
	font-size: medium;
	font-family: sans-serif;
	font-weight: normal;
}

div.maintext{
	margin-right: 10px;
	line-height: 1.3em;
	
}

div#pagetitle{
	line-height: 5px;
	border: 1px dotted gray;
	padding: -15px 2px -15px 10px;
	margin-right: 10px;
	font-size: medium;
	font-family: sans-serif;
}


p.copyright{
	margin-top: 0px;
	font-size: x-small;
	font-weight: lighter;
	float: left;
}

iframe{
	margin: 4px;
}