.button-confirm, .content-confirmation .button-submit  {
background-color: #333333;
color: #FFFFFF;
font-size: 1.6rem;
font-weight: 700;
line-height: 100%;
padding-top: 12px;
padding-bottom: 14px;
padding-left: 24px;
padding-right: 50px;
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
box-sizing: border-box;
display: inline-block;
background-image: url(https://www.tsuruta-electric.co.jp/img/ar01.svg);
background-repeat: no-repeat;
background-position: right 22px center;
border-radius: 24px;
width: 240px;
text-align: center;
border: 1px solid #333333;
transition: .4s;
margin-top: 16px;
margin-bottom: 16px;
cursor: pointer;
background-size: 10px auto;
margin-right: 16px;
margin-left: 16px;
}
.content-confirmation .button-back {
background-color: #999999;
color: #FFFFFF;
font-size: 1.6rem;
font-weight: 700;
line-height: 100%;
padding-top: 12px;
padding-bottom: 14px;
padding-left: 24px;
padding-right: 24px;
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
box-sizing: border-box;
display: inline-block;
border-radius: 24px;
width: 240px;
text-align: center;
border: 1px solid #777777;
transition: .4s;
margin-top: 16px;
margin-bottom: 16px;
cursor: pointer;
margin-right: 16px;
margin-left: 16px;
}
.badge-required {
margin-left:1em;
border-radius:4px;
}
.container{
padding-left:0px;
padding-right:0px;
}
@media (width < 768px) {
 .button-group {
    flex-direction: inherit;
}
}