<div id="tab_area">

<dl id="contents01">
<dt><a href="#contents01">CONTENTS【01】</a></dt>
<dd>
<p><strong>CONTENTS【01】</strong></p>
</dd>
</dl>

<dl id="contents02">
<dt><a href="#contents02" onFocus="tabon()">CONTENTS【02】</a></dt>
<dd>
<p><strong>CONTENTS【02】</strong></p>
</dd>
</dl>

<dl id="contents03">
<dt><a href="#contents03" onFocus="tabon()">CONTENTS【03】</a></dt>
<dd>
<p><strong>CONTENTS【03】</strong></p>
</dd>
</dl>

</div>

/* TabArea
-------------------------- */
#tab_area {
	margin: 0 auto;
	width: 540px;
	height: 350px;
	text-align: left;
	position: relative;
}

#tab_area dl {
	width: 540px;
	height: 340px;
	border: #777 1px solid;
	position: absolute;
}

#tab_area dl dt {
	top: 0;
	width: 180px;
	height: 40px;
	position: absolute;
	border-bottom: #777 1px solid;
	z-index: 5;
}
#tab_area dl#contents02 dt {
	border-left: #777 1px solid;
	border-right: #777 1px solid;
}


#tab_area dl#contents01 dt {left: 0;}
#tab_area dl#contents02 dt {left: 180px;}
#tab_area dl#contents03 dt {left: 360px;}

#tab_area dl dt a {
	width: 180px;
	height: 40px;
	line-height: 40px;
	text-align: center;
	display: block;
}
#tab_area dl dt a:hover {background: #999;}

#tab_area dl dd {
	top: 41px;
	left: 0;
	height: 300px;
	position: absolute;
	opacity: 0;
	overflow-y: auto;
}

#tab_area dl dd p {
	padding: 10px 10px;
}


/* CSS3 TabAnimation
-------------------------- */
@-webkit-keyframes TabSwitch {
	0% {background: #fff;}
	100% {background: #777;}
}
#tab_area dl:target dt a {
	-webkit-animation-name: TabSwitch;
	-webkit-animation-duration: 1s;
	-webkit-animation-iteration-count: 1;
	color: #fff;
	font-weight: bold;
	background: #777;
}

@-webkit-keyframes ContentsSwitch {
	0% {opacity: 0;}
	100% {opacity: 1;}
}
#tab_area dl:target dd {
	-webkit-animation-name: ContentsSwitch;
	-webkit-animation-duration: 1.5s;
	-webkit-animation-iteration-count: 1;
	opacity: 1;
	z-index: 15;
}

#tab_area dl.onlink dd{
	opacity: 1;
}
#tab_area dl.onlink dt a {
	-webkit-animation-name: TabSwitch;
	-webkit-animation-duration: 1s;
	-webkit-animation-iteration-count: 1;
	color: #fff;
	font-weight: bold;
	background: #777;
}

SyntaxHighlighter.all();
window.addEventListener("load", function(){
  document.getElementById("contents01").className = "onlink";
}, false);
function tabon(){
	document.getElementById("contents01").className = "";
}