main::before {
	background-image: url(../img/contact.jpg);
}

section form dl {
	display: flex;
	flex-wrap: wrap;
	gap: 20px;
}

section form dl dt {
	display: flex;
	align-items: center;
	width: min(180px, 35%);
}

section form dl dt:last-of-type {
	align-items: flex-start;
}

section form dl dd {
	width: min(calc(100% - 160px), calc(65% - 20px));
}

section form dl dd input,
section form dl dd textarea {
	border: solid 1px #888888;
	border-radius: 5px;
	padding: 5px 10px;
	width: 100%;
}

@media (max-width: 480px) {
	section form dl {
		flex-direction: column;
		gap: 4px;
	}

	section form dl dt {
		width: 100%;
	}

	section form dl dd {
		padding-bottom: 16px;
		width: 100%;
	}
}

section form > p {
	padding-top: 20px;
	text-align: center;
}

section form > p button {
	display: inline-block;
	background-color: rgba(232, 232, 232, 1.0);
	border: none;
	border-radius: 5px;
	padding: 10px;
	width: 60%;
	max-width: 300px;
}

section form > p button::first-letter {
	letter-spacing: 2.0em;
}

section form > p button.on {
	background-color: rgba(232, 232, 232, 0.6);
	color: var(--text-color-blue);
}

#thanks p {
	text-align: center;
}

#thanks p small {
	display: inline-block;
	padding-top: 10px;
}

#thanks p a.arrow {
	font-size: 1.0em;
}