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;
}

.div01 {
	margin: 0 0 2em;
	padding: 40px;
	border: 3px solid #161616;
	background-color: #fff;
	border-radius: 12px;
	box-shadow: 8px 8px 0 0 #e5f50a;
}

.div02 {
	margin: 0 0 2em;
	padding: 40px;
	border: 3px solid #161616;
	background-color: #fff;
	border-radius: 12px;
	box-shadow: 8px 8px 0 3px #161616;
}

.div03 {
	margin: 0 0 2em;
	padding: 40px;
	border: 3px solid #161616;
	background-color: #fff;
	border-radius: 12px;
	box-shadow: 8px 8px 0 0 #e5f50a, 8px 8px 0 3px #161616;
}

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