main form {
	display: flex;
	flex-direction: column;
}

main textarea {
	resize: vertical;
	min-height: 120px;
}

main .wrapper {
	max-width: 800px;
}

main .required::after {
	content: '[必須]';
	color: var(--color-danger);
	font-size: 1rem;
}

main .optional::after {
	content: '[任意]';
	color: var(--color-gray);
	font-size: 1rem;
}