<section class="content_accordion section">
<header class="section_index">
<h2>accordion</h2>
</header>
<div class="section_content">
<dl class="content_accordion_child" data-accordion="open">
<dt class="content_accordion_child_index">
見出し1
<span class="content_accordion_child_indexCap close">close</span>
<span class="content_accordion_child_indexCap open">open</span>
</dt>
<dd class="content_accordion_child_content" >
<p>アコーディオン1のコンテンツアコーディオン1のコンテンツ<br>アコーディオン1のコンテンツ</p>
</dd>
</dl>
<dl class="content_accordion_child close" data-accordion="close">
<dt class="content_accordion_child_index">
見出し2
<span class="content_accordion_child_indexCap close">close</span>
<span class="content_accordion_child_indexCap open">open</span>
</dt>
<dd class="content_accordion_child_content" >
<p>アコーディオン2のコンテンツアコーディオン2のコンテンツ<br>アコーディオン2のコンテンツ</p>
</dd>
</dl>
<dl class="content_accordion_child close" data-accordion="close">
<dt class="content_accordion_child_index">
見出し3
<span class="content_accordion_child_indexCap close">close</span>
<span class="content_accordion_child_indexCap open">open</span>
</dt>
<dd class="content_accordion_child_content" >
<p>アコーディオン3のコンテンツアコーディオン3のコンテンツ<br>アコーディオン3のコンテンツ</p>
</dd>
</dl>
</div>
</section>
<script type="text/javascript" src="http://satohmsys.info/files/demo/tweenmax/site/js/tweenmax/minified/TweenMax.min.js"></script>
@import url(https://fonts.googleapis.com/css?family=Pacifico);
body, html {
padding: 0;
margin: 0;
}
html {
position: relative;
border-top: solid 5px #121212;
line-height: 1.6;
}
img {
line-height: 1;
max-width: 100%;
height: auto;
outline: 0;
}
ul {
margin: 0;
padding: 0;
}
.content_accordion .section_index {
display: table;
text-align: center;
white-space: nowrap;
}
.content_accordion .section_index:after, .content_accordion .section_index:before {
content: '';
display: table-cell;
width: 50%;
background: linear-gradient(rgba(0, 0, 0, 0) 50%, currentColor 50%, currentColor calc(50% + 1px), rgba(0, 0, 0, 0) calc(50% + 1px));
background-clip: padding-box;
}
.content_accordion .section_index:after {
border-left: 1em solid transparent;
}
.content_accordion .section_index:before {
border-right: 1em solid transparent;
}
.content_accordion .section_index {
font-size: 1em;
font-weight: normal;
}
.content_accordion .section_content {
display: -webkit-flex;
display: -ms-flexbox;
display: flex;
-webkit-justify-content: space-around;
-ms-flex-pack: distribute;
justify-content: space-around;
-webkit-align-content: start;
-ms-flex-line-pack: start;
align-content: start;
}
.content_accordion_child {
-webkit-flex-basis: 30%;
-ms-flex-preferred-size: 30%;
flex-basis: 30%;
}
.content_accordion_child.close .content_accordion_child_content {
height: 0;
display: none;
}
.content_accordion_child_index, .content_accordion_child_content p {
padding: 1em;
}
.content_accordion_child_index {
line-height: 1;
position: relative;
text-align: center;
background-color: #eee;
}
.content_accordion_child_indexCap {
height: 1em;
margin: auto;
padding: 0.5em;
cursor: pointer;
transition: all 0.5s;
opacity: 1;
position: absolute;
top: 0;
right: 5px;
bottom: 0;
font-size: 0.6em;
color: #fff;
border-radius: 3px;
background-color: #999;
}
.content_accordion_child_indexCap.open {
background-color: #666;
}
.content_accordion_child_content {
border: solid 1px #eee;
margin-left: 0;
}
.content_accordion [data-accordion="open"] .open {
opacity: 0;
}
.content_accordion [data-accordion="open"] .close {
opacity: 1;
}
.content_accordion [data-accordion="close"] .open {
opacity: 1;
}
.content_accordion [data-accordion="close"] .close {
opacity: 0;
}
@media screen and (max-width: 600px) {
.content_accordion .section_content {
-webkit-flex-direction: column;
-ms-flex-direction: column;
flex-direction: column;
}
}
var getByClass = function( cls, num ){
if( typeof num == "number" ){
classCollection = document.getElementsByClassName( cls )[num];
} else {
classCollection = document.getElementsByClassName( cls );
classCollection.length == 1 ? classCollection = classCollection[0] : '';
}
return classCollection;
};
$accordion = getByClass( 'content_accordion_child' ),
$accordion_tab = getByClass( 'content_accordion_child_index' ),
$TimelineMax = new TimelineMax();
/**
* アコーディオン
*/
Array.prototype.forEach.call( $accordion, function( e, index ){
var $index = e.getElementsByClassName( 'content_accordion_child_index' );
$index[0].addEventListener( 'click', function( e ){
var $text = e.target;
if( /indexCap/.test( $text.className ) ){
$parent = $text.parentNode,
$dd = $parent.nextElementSibling,
$dtHeight = $parent.clientHeight;
} else {
$dd = $text.nextElementSibling,
$dtHeight = $text.clientHeight;
}
$dl = $dd.parentNode,
$status = $dl.getAttribute('data-accordion');
//open時=閉じる
if( $status == 'open' ){
$TimelineMax.fromTo( $dd, 0.5, {
overflow: 'hidden',
},
{
height: 0,
display: 'none',
ease:Back.easeIn,
onComplete: function( ){
$dl.setAttribute( 'data-accordion', 'close' );
}
});
} else {
//close時=開く
$TimelineMax.fromTo( $dd, 1, {
display: 'block',
overflow: 'hidden'
},
{
height: '80%',
delay: 0.5,
ease:Bounce.easeOut,
onComplete: function(){
$dl.setAttribute( 'data-accordion', 'open' );
}
});
}
} );
} );
This Pen doesn't use any external CSS resources.
This Pen doesn't use any external JavaScript resources.