@import url('https://fonts.googleapis.com/css2?family=Patua+One&display=swap');

html {
	font-size: 62.5%;
}
body {
	margin: 0;
	font-size: 1.5rem;
}
*, *::before, *::after {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}
ul {
	list-style-type: none;
}
.title {
	margin: 0 0 1em;
	font-weight: bold;
}
.title:not(:first-child) {
	margin: 20px 0 1em;
}
.contents {
	max-width: 630px;
	margin: 0 auto;
	padding: 20px;
	background: #f2f2f2;
}
.container {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	margin: -10px 0 0;
}
.box {
	width: 33.33%;
	margin: 10px 0 0;
	padding: 1em;
	background: #e0d4c3;
	counter-increment: index;
}
.box:before {
	display: block;
	margin: 0 0 1em;
	font-family: 'Patua One', cursive;
	font-size: 2rem;
	font-weight: 400;
	color: #fff;
	content: counter(index, decimal-leading-zero)'.';
}
.box:nth-child(3n + 1) {
	border-radius: 10px 0 0 10px;
}
.box:nth-child(3n + 2) {
	background: #dec49f;
}
.box:nth-child(3n) {
	background: #cca163;
	border-radius: 0 10px 10px 0;
}
.box:last-child {
	border-radius: 0 10px 10px 0;
}
.box:nth-child(3n + 1):last-child {
	border-radius: 10px;
}

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