.button15 a {
  display: block;
  position: relative;
  margin: 0 0;
  padding: 0.1em 1em;
  width: 160px;
  color: #333;
  font-size: 14px;
  font-weight: 700;
  background-color: #cccccc;
  border-radius: 20vh;
  transition: 0.3s;
}

.button15 a::before {
  content: '';
  position: absolute;
  top: 50%;
  right: 25px;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  background-color: #f2f2f2;
  border-radius: 50vh;
}

.button15 a::after {
  content: '';
  position: absolute;
  top: 50%;
  right: 32px;
  transform: translateY(-50%) rotate(45deg);
  width: 5px;
  height: 5px;
  border-top: 3px solid #333333;
  border-right: 3px solid #333333;
}

.button15 a:hover {
  text-decoration: none;
  background-color: #cccccc;
}

.button15{display:inline-block}
.removeBtn{
    font-size: 100%;/*ボタンの大きさ*/
    font-weight: bold;
    border: 1px solid #600;
    color: #600;
    display: none;
    justify-content: center;
    align-items: center;
    border-radius: 100%;
    width: 1.3em;
    line-height: 1.3em;
    cursor: pointer;
    transition: .2s;
    //margin-left:-30px;
    background: #FFF;
}
.removeBtn:hover{
    background: #600;
    border-color: #600;
    color: #FFF;
}
.handle {
  position: relative;
  height: 16px;
  width: 16px;
  display: inline-block;
  box-sizing: border-box;
  vertical-align:middle;
  display:none;
}
.handle div {
  position: absolute;
  left: 0;
  height: 2px;
  width: 16px;
  background-color: #888;
  border-radius: 1px;
  display: inline-block;
  box-sizing: border-box;
}
.handle div:nth-of-type(1) {
  bottom: 16px;
}
.handle div:nth-of-type(2) {
  bottom: 10px;
}
.handle div:nth-of-type(3) {
  bottom: 4px;
}

.copy_alert {
  display: none;
  position:fixed;
  z-index:999;
  top:40px;/*位置指定*/
  left:0;/*位置指定*/
  width:100%;
  text-align:center;
}
.copy_alert span{
  background:#009250;
  color:#fff;
  font-weight:bold;
  width:340px;
  margin:auto;
  padding:10px;
  border-radius: 50vh;
}

.error{
  background:#F88;
}
/* 画面前面の全体に表示 */
#loading_box {
    width: 100%;
    height: 100%;
    background: #FFF;
    opacity: 0.8;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
}
 
/* 画面の中心にローディング画像を表示する */
#loading_box img {
    position: absolute;
    top: 50%;
    left: 50%;
    margin: -40px 0 0 -40px;
    width: auto;
}

h3 div{
  position:absolute;
  right:0px;
}