h1 { 
	text-align: center; 
	background-color: silver;
}
.head {
  text-align: center;
  font-size: 0.8em;
  padding: 16px;
}
#info {
	text-align: center;
}
#netu-form {
	display: none;
	text-align:left;
	width: 400px;
	margin-left: auto;
	margin-right: auto;
	font-size: 1em;
	border: 1px solid 
	padding-bottom: 16px;
}
#netu-form .kousiki {
	text-align: center;
	font-size: 1.2em;
	margin-bottom: 12px;
	border: 1px solid silver;
	padding: 8px;
}
#netu-form .row {
	text-align: right;
}
#netu-form .row-center {
	padding-top: 8px;
	text-align: center;
}
#netu-form label {
	width: 100px;
	text-align: center;
	font-size: 0.8em;
	color: gray;
}
#netu-form input {
	font-size: 1.2em;
	width: 70px;
	border-bottom: 1px solid silver;
	border-top: none;
	border-left: none;
	border-right: none;
}

#netu-form button {
	font-size:1em;
	background-color: #f0f0ff;
	padding-top: 4px;
	padding-bottom: 4px;
	padding-left: 24px;
	padding-right: 24px;
}

#netu-form .calc_field {
	border-bottom: 1px dotted silver;
	text-align: center;
	padding-top: 16px;
	padding-bottom: 16px;
}

#netu-form #result {
	width: 120px;
}