<div class="imageFrame--type004">
	<figure class="button__image">
		<img src="画像のパス" width="" height="" alt="" />
	</figure>
</div>
                

.imageFrame--type004 {
	figure{
		position:relative;
		display:block;
		&::before{
			content: "";
			display:block;
			width: 100%;
			height: 100%;
			border:#000 solid;
			border-width:0.2em 0.5em 0.5em 0.2em;
			position: absolute;
			top: 0;
			left: 0;
			z-index:1;
		}
		img{
			width:100%;
			height:auto;
		}
	}
}