main {
  height: 0;
  opacity: 0;
  font-family: sans-serif;
  letter-spacing: .1px;
}

.footer {
  background-color: #fff;
}
.footer .btn_pagetop {
  padding-top: 2.6666666667vw;
  background-color: #fff;
}
.footer .btn_pagetop a {
  display: block;
  margin: 0 auto 8vw;
  width: 94.6666666667vw;
  height: 12vw;
  border: 1px solid #738c8e;
  box-sizing: border-box;
  background: center center/4.5333333333vw auto no-repeat url("../images/common/btn_pagetop.png");
}
.footer .footer_nav {
  font-size: 12px;
}
.footer .footer_nav ul {
  margin-bottom: 20px;
  padding: 0 10px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
}
.footer .footer_nav ul li {
  padding: 0 15px;
  border-right: 1px solid #6b8487;
}
.footer .footer_nav ul li:first-child {
  padding-left: 0;
}
.footer .footer_nav ul li:last-child {
  padding-right: 0;
  border-right: 0;
}
.footer .footer_nav ul li a {
  color: #6b8487;
}
.footer .copyright {
  padding-top: 20px;
  color: #f7ffff;
  background-color: #2f4245;
}
.footer .copyright p {
  margin: 0 10px 20px;
  padding: 0 15px 20px;
  font-size: 10px;
  line-height: 16px;
  border-bottom: 1px solid #c6cdd0;
}
.footer .copyright .footer_copy {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  margin: 0;
  padding: 0 0 6px;
  line-height: 10px;
  text-align: center;
  border-bottom: 0;
  letter-spacing: 1px;
}
.footer .copyright .footer_copy span {
  font-size: 1.5em;
}

@media screen and (min-width: 768px) {
  .footer {
    padding-top: 15px;
  }
  .footer .footer_nav {
    font-size: 14px;
  }
  .footer .footer_nav ul {
    margin-bottom: 15px;
  }
  .footer .copyright {
    padding-top: 35px;
  }
  .footer .copyright p {
    padding-bottom: 35px;
    line-height: 24px;
    font-size: 12px;
    text-align: center;
  }
  .footer .copyright .footer_copy {
    padding-bottom: 10px;
  }
}
.loading {
  position: fixed;
  top: 0;
  left: 0;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  width: 100%;
  height: 100%;
  background: center center/10.1333333333vw auto no-repeat url("../images/common/bg_loading.png");
}
.loading img {
  width: 7.3333333333vw;
  animation: rotation linear 2s infinite;
}

@media screen and (min-width: 768px) {
  .loading {
    background: center center/76px auto no-repeat url("../images/common/bg_loading.png");
  }
  .loading img {
    width: 55px;
    animation: rotation linear 2s infinite;
  }
}
.animation_image {
  display: none;
}

@keyframes rotation {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}