html {
	font-size: 16px;
	font-family: 'Noto Sans JP', sans-serif;
}

body {
	margin: 10px;
	padding: 0;
	background-color: orange;
	color: black;
}

input[type=text] {
	font-size: 1rem;
}

button {
	background-color: dodgerblue;
	color: white;
	font-size: 1rem;
	border: 2px outset;
	width: auto;
	height: 30px;
}

button:active {
	background-color: blue;
	border: 2px inset;
}

button {
	cursor: pointer;
}

label {
	font-weight: bold;
}

textarea {
	font-size: 1rem;
	line-height: 1.2rem;
	font-family: 'Noto Sans JP', sans-serif;
}

.calendar {
	border-collapse: collapse;
	margin: 10px;
}

.calendar th,
.calendar td {
	border: 1px solid black;
	width: 2em;
	height: 2em;
}

.calendar .today {
	font-weight: bold;
}

.calendar .marked {
	background: #fff;
}