body {
	padding: 2rem 1rem;
	font-family: -apple-system, BlinkMacSystemFont, "Arial", sans-serif;
	background: #fff;
	color: #111827;
}

h1 {
	font-size: 20px;
	margin-top: 0;
}

p {
	color: rgb(107, 114, 128);
	font-size: 15px;
	margin-bottom: 10px;
	margin-top: 5px;
}

.card {
	max-width: 620px;
	margin: 0 auto;
	padding: 16px;
	border: 1px solid lightgray;
	border-radius: 16px;
}

textarea {
	width: 100%;
	box-sizing: border-box;
	font: inherit;
	font-size: 16px;
	padding: 10px;
	border: 1px solid lightgray;
	border-radius: 8px;
	resize: vertical;
	margin-top: 8px;
}

button {
	margin-top: 8px;
	padding: 8px 18px;
	font: inherit;
	border: none;
	border-radius: 8px;
	background: #2563eb;
	color: #fff;
	cursor: pointer;
}

button:disabled {
	background: #9ca3af;
	cursor: default;
}

#out {
	margin-top: 14px;
	min-height: 1.5em;
	font-size: 18px;
	padding: 10px;
	background: #f3f4f6;
	border-radius: 8px;
}

.note {
	font-size: 13px;
	margin-top: 12px;
}