html,
body {
	width: 100%;
	height: 100%;
}


html {
	scroll-behavior: smooth;
	font-size: 100%;
}

html * {
	box-sizing: border-box;
	color: rgb(167, 167, 167);
}

body {
	margin: 0;
	padding: 0;
	display: flex;
	justify-content: center;
	align-items: center;
	background-color: rgb(212, 231, 238);
}

#wrapper {
	width: 80%;
	max-width: 500px;
	height: auto;
	border: 2px solid gainsboro;
	background-color: #fff;
	border-radius: 20px;
	display: flex;
	flex-direction: column;
	align-items: center;
}

#wrapper * {
	font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Segoe UI", "Yu Gothic", YuGothic, sans-serif;
	text-align: center;
	display: inline-block;
	margin: 1rem auto;
	width: 80%;
}

input {
	border: 2px solid gainsboro;
	border-radius: 5px;
	font-size: 1.2rem;
	padding: 0.5rem 0;
}

button {
	border: 2px solid #2791d4;
	background-color: #2791d4;
	border-radius: 5px;
	color: #fff;
	transition: transform 0.1s;
	font-size: 1.2rem;
	padding: 0.5rem 0;
}

button:active {
	background-color: #fff;
	color: #2791d4;
	transform: scale(0.95);
}




/* ??????????? */
@media only screen and (max-width: 768px) {}