.top-arrow {
  text-align: center;
  position: relative;
  top: 70px;
  z-index: 9;
}

.contents {
  position: relative;
  overflow: hidden;
  padding: 80px 0;
}

.contents:before {
  content: "";
  position: absolute;
  left: 0;
  width: 120%;
  height: 80%;
  margin: 3% -10% 0;
  background: #b9ddcd;
  -webkit-transform-origin: left center;
  -ms-transform-origin: left center;
  transform-origin: left center;
  -webkit-transform: rotate(3deg);
  -ms-transform: rotate(3deg);
  transform: rotate(3deg);
  z-index: -1;
}

.contents_inner {
  max-width: 640px;
  height: 100%;
  margin: 0 auto;
  padding: 100px 120px;
  color: #464646;
  text-align: center;
}
.icon {
  margin: 3em;
  white-space: nowrap;
  position: relative;
  top: 4em;
}
.footerp {
  font: var(--unnamed-font-style-normal) normal var(--unnamed-font-weight-300)
    var(--unnamed-font-size-30) / var(--unnamed-line-spacing-36)
    var(--unnamed-font-family-source-han-sans-jp);
  letter-spacing: var(--unnamed-character-spacing-0);
  color: var(--unnamed-color-464646);
  text-align: center;
  font: normal normal 300 15px/16px Source Han Sans JP;
  letter-spacing: 0px;
  color: #464646;
  opacity: 1;
  position: relative;
  top: 4em;
}
.footerp a {
  color: #464646;
  text-decoration: none;
}
.fab {
  color: #464646;
}
.sns-icon-footer{
  padding: 0 2em;
}
.fas {
  color: #464646;
}
.sns-icon {
  font-size: 30px;
}
@media screen and (max-width: 559px) {
  .contents_inner {
    max-width: 640px;
    height: 100%;
    margin: 0 auto;
    padding: 0;
    color: #464646;
    text-align: center;
  }
  .footerp {
    font: var(--unnamed-font-style-normal) normal var(--unnamed-font-weight-300)
      var(--unnamed-font-size-30) / var(--unnamed-line-spacing-36)
      var(--unnamed-font-family-source-han-sans-jp);
    letter-spacing: var(--unnamed-character-spacing-0);
    color: var(--unnamed-color-464646);
    text-align: center;
    font-size: 9px;
    font-weight: 300;
    font-family: sans-serif;
    letter-spacing: 0px;
    color: #464646;
    opacity: 1;
    position: relative;
    top: 4em;
  }
  .footerp a {
    color: #464646;
    font-size: 11px;
  }
  .footerp p {
    color: #464646;
    font-size: 11px;
  }
  .icon {
    margin: 0 0 3em 0;
    white-space: nowrap;
    position: relative;
    top: 4em;
  }
  .fab {
    text-align: center;
  }
  .sns-icon-footer{
    padding: 0 1em;
  }
  .sns-icon {
    font-size: 25px;
  }
}