.modal {
	position: fixed;
	left: 0;
	top: 0;
	width: 100%;
	height: 100%;
	background-color: rgba(0, 0, 0, 0.5);
	opacity: 0;
	visibility: hidden;
	transform: scale(1.1);
	transition: visibility 0s linear 0.25s, opacity 0.25s 0s, transform 0.25s;
}
#slider2 {
	/* 予め展開後のスライドショーのwidth,heightをセットする必要がある */
	height: 432px;
	width: 500px;
}
.modal-content {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	background-color: white;
	padding: 1rem 1.5rem;
	max-width: 500px;
	border-radius: 0.5rem;
}

.back-button {
	margin-left: 1rem;
}

.close-button {
	float: right;
	width: 1.5rem;
	line-height: 1.5rem;
	text-align: center;
	cursor: pointer;
	border-radius: 0.25rem;
	background-color: lightgray;
}
.close-button:hover {
	background-color: darkgray;
	color: white;
}
.page1-submit-button {
	width: 80%;
	background-color: gray;
	height: 40px;
	color: white;
}
.page2-submit-button {
	width: 80%;
	background-color: gray;
	height: 40px;
	color: white;
}
.text-center {
	text-align: center;
}
.show-modal {
	opacity: 1;
	visibility: visible;
	transform: scale(1.0);
	transition: visibility 0s linear 0s, opacity 0.2s 0s, transform 0.5s;
}

.no-select {
	-webkit-touch-callout: none;
	-webkit-user-select: none;
	-khtml-user-select: none;
	-moz-user-select: none;
	-ms-user-select: none;
	user-select: none;
}

.required {
	color: red;
}