html {
	font-size: 62.5%;
}
body {
	margin: 0;
	font-size: 1.5rem;
}
p {
	margin: 0 0 1em;
}
*, *::before, *::after {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}
.contents {
	max-width: 630px;
	margin: 0 auto;
	padding: 20px;
	background: #f2f2f2;
}
.title {
	margin: 0 0 1em;
	font-weight: bold;
}

.div-parent {
	position: relative;
	z-index: 1;
	margin: 0 0 1em;
	padding: 40px;
	color: #fff;
	background-color: #1563ad;
}
.style01 {
	width: 148px;
	height: 148px;
	border-radius: 50%;
}
.style02 {
	border-radius: 50%;
}
.style03 {
	border-radius: 80px;
}
.style04 {
	border-radius: 500px;
}
.style05 {
	border-radius: 100vh;
}

.copyright {
	text-align: center;
	padding-top: 2em;
	font-size: 14px;
}