footer {
  background-color: black;
  line-height: 50px;
  text-align: center;
  padding-top: 20px;
  padding-bottom: 40px;
}
footer span {
  color: white;
}

footer .adaruto {
  color: #737373;
  line-height: 1.7;
  font-size: 85%;
}

footer .adaruto a {
  color: #bdbdbd;
}

*{
  margin:0;
  padding: 0;
}
　
html,　body {
  height: 100%;
}
 
#wrapper2 {
  width: 100%;
  min-height: 100%;
}
.footer2 {
  position: absolute;
  bottom: 0;
  display: block;
  width: 100%;
}
body::before {
  content:"";
  display:block;
  position:fixed;
  top:0;
  left:0;
  z-index:-1;
  width:100%;
  height:100vh;
  background:url(../images/back.jpg) center no-repeat;
  background-size:cover;

}

.enter-box {
  margin-top: 320px;
}



/*フッター情報固定*/
/*641px～PC　PC上では見えないようにする*/
@media screen and (min-width:641px){
    .footer_area{
      display: none;
  } 
}
 
/*スマホ～641pxの幅サイズまで*/
@media screen and (max-width:640px){
  body::before {
    background-image: url(../images/back_sp.png) ;
  }
  .footer_area {
    position: fixed;
    bottom: 0;
    font-size: 90%;
    width: 100%;
    z-index: 2;
  }
  .footer_area .footer_area_inner {
    background: #000000c2;
    /*opacity: 0.8;*/
    text-decoration: none;
    color: #fff;
    min-width: 100%;
    padding: 24px 0;
    text-align: center;
    display: block;
    text-align: center;
    font-weight: bold;
    position: relative;
    height: 16px;
  }
  .footer_area_inner .inquiry_btn {
    position: absolute;
    display: block;
    width: 45%;
    margin-left: 4%;
    top: 10px;
    background-color: #ff5a89;
    border-radius: 3px;
    line-height: 27px;
  }
  .footer_area_inner .inquiry_btn2 {
    position: absolute;
    display: block;
    width: 43%;
    margin-left: 53%;
    top: 10px;
    line-height: 27px;
    background-color: #ff8400;
    font-size: 18;
    border-radius: 4px;
    color: white;
  }
  .inquiry_btn:link, .inquiry_btn:visited {
    color: #FFFFFF !important;
  }
  .footer_area_inner span{
    color: #fff;
  }
  #siteBottom{
    margin-bottom: 85px;
  }
  .sp_logo img {
    width: 58%;
    margin: 0 auto;
    display: block;
  }
  .enter-box {
    margin-top: 140px;
  }

}