<div class="cp_accordionslide01">
<div class="slideitem">
<h2>タイトル 1</h2>
<div class="slidecont">
<p>テキスト 1</p>
</div>
</div>
<div class="slideitem">
<h2>タイトル 2</h2>
<div class="slidecont">
<p>テキスト 2</p>
</div>
</div>
<div class="slideitem">
<h2>タイトル 3</h2>
<div class="slidecont">
<p>テキスト 3</p>
</div>
</div>
<div class="slideitem">
<h2>タイトル 4</h2>
<div class="slidecont">
<p>テキスト 4</p>
</div>
</div>
<div class="slideitem">
<h2>タイトル 5</h2>
<div class="slidecont">
<p>テキスト 5</p>
</div>
</div>
</div>

.cp_accordionslide01 {
	display: -webkit-box;
	display: -ms-flexbox;
	display: flex;
	visibility: hidden;
	width: 100%;
	height: 60vh;
}
.cp_accordionslide01 .slideitem {
	position: relative;
	visibility: visible;
	width: 20%;
	height: 100%;
	cursor: pointer;
	-webkit-transition: all 0.5s ease-out;
	        transition: all 0.5s ease-out;
}
.cp_accordionslide01 .slideitem:nth-child(1) {
	background: #4fc3f7;
}
.cp_accordionslide01 .slideitem:nth-child(2) {
	background: #4dd0e1;
}
.cp_accordionslide01 .slideitem:nth-child(3) {
	background: #4db6ac;
}
.cp_accordionslide01 .slideitem:nth-child(4) {
	background: #81c784;
}
.cp_accordionslide01 .slideitem:nth-child(5) {
	background: #aed581;
}
.cp_accordionslide01:hover .slideitem:hover {
	width: 60%;
}
.cp_accordionslide01 .slideitem h2 {
	font-size: 1.4em;
	padding: 0.5em;
}
.cp_accordionslide01 .slideitem p {
	padding: 0.5em;
}
@media only screen and (max-width:768px) {
	.cp_accordionslide01 .slideitem h2 {
		font-size: 0.8em;
		word-wrap: break-word;
	}
	.cp_accordionslide01 .slideitem p {
		font-size: 0.7em;
		word-wrap: break-word;
	}
	.cp_accordionslide01 .slideitem {
		width: 20%;
	}
	.cp_accordionslide01:hover .slideitem {
		width: 15%;
	}
}