.button {
  font-size: 1em;
  padding: 10px;
  color: #fff;
  border: 2px solid #06D85F;
  border-radius: 20px/50px;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease-out;
}
.button:hover {
  background: #06D85F;
}

.overlay {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.7);
  transition: opacity 500ms;
  visibility: hidden;
  opacity: 0;
}
.overlay:target {
  visibility: visible;
  opacity: 1;
}

.popup {
  margin: 70px auto;
  padding: 20px;
  background: #fff;
  border-radius: 5px;
  width: 50%;
  position: relative;
  transition: all 5s ease-in-out;
}

.popup h2 {
  margin-top: 0;
  color: #333;
  font-family: Tahoma, Arial, sans-serif;
}
.popup .close {
	position: absolute;
	top: 22px;
	right: 31px;
	transition: all 200ms;
	font-size: 30px;
	font-weight: bold;
	text-decoration: none;
	color: #333;
}
.popup .close:hover {
  color: #06D85F;
}
.popup .content {
  max-height: 30%;
  overflow: auto;
}

@media screen and (max-width: 700px){

  .popup{
    width: 70%;
  }
}



#to_form{
    margin: 0.4em 0;
    font-weight: bold;
	display: block;
	border: solid 1px #0b308e;
	position: relative;/* クリック範囲を要素一杯に広げる */
	z-index: 1; /* 必要であればリンク要素の重なりのベース順序指定 */
}
/*--［＞の表示］--*/
#to_form:after {
	content: "";
	display: block;
	position: absolute;
	top:45%;
	right: 25px;
	width: 21px;
	height: 21px;
	border-top: solid 2px #7f7f7f;
	border-right: solid 2px #7f7f7f;
	-webkit-transform: rotate(45deg);
	transform: rotate(45deg);
}

#to_form a {
	position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    text-indent:-999px;
    z-index: 2; /* 必要であればリンク要素の重なりのベース順序指定 */
 }	
 
#to_form a:hover { /* マウスオーバー時の文字色/背景色の設定 */

 background: #e5eef7;
   filter:alpha(opacity=70);/* IE 6,7*/
    -ms-filter: "alpha(opacity=70)";/* IE 8,9 */
    -moz-opacity:0.7;/* FF , Netscape */
    -khtml-opacity: 0.7;/* Safari 1.x */
    opacity:0.7;
    zoom:1;/*IE*/
 }
.txt_18{
	text-align:center;
	color:#333;
	font-size:1.8em;
    margin: 20px 0;
	padding:10px;
	}
.txt_16{
	text-align:center;
	color:#333;
	font-size:1.6em;
    margin: 40px 0;
	padding:10px;
	}