body {
  margin: auto;
  width: 100%;
}

#wrapper {
  line-height: 1.8;
  margin: 0 auto;
  overflow: hidden;
  width: 670px;
}

.privacy {
  margin: 100px auto 0;
  padding: 0 0 90px;
  width: 670px;
}
.privacy h2 {
  margin: 0 0 30px;
  padding: 0 0 0;
  width: 100%;
}
.privacy .sec {
  padding: 20px 0;
}
.privacy .sec h3 {
  font-weight: bold;
  font-size: 120%;
  margin-bottom: 5px;
}
.privacy .first {
  padding: 39px 0 20px;
}
.privacy .last {
  padding: 15px 0 50px;
}
.privacy .sec ul li {
  text-indent: -1em;
  padding-left: 1em;
}

.backbtn {
  padding-top: 10px;
  padding-bottom: 47px;
}

footer {
  width: 940px;
  margin: auto;
  padding-bottom: 50px;
}

@media screen and (max-width: 575px) {
  #wrapper {
    width: 100%;
  }
  #wrapper .privacy {
    width: calc(100% - 40px);
    padding: 0 20px 40px;
  }
  #wrapper .privacy p {
    font-size: 0.8125rem;
    letter-spacing: 1px;
  }
  #wrapper .privacy p.pri-sp-top {
    font-size: 0.875rem;
  }
  #wrapper .privacy ul {
    margin: 24px 0 0;
  }
  #wrapper .privacy ul li {
    font-size: 0.8125rem;
    text-indent: 0;
    padding-left: 0;
  }
  #wrapper .privacy h2 {
    font-family: "BIZ UDPGothic", sans-serif;
    font-size: 18px;
    letter-spacing: 0.2em;
    text-align: center;
  }
  #wrapper .privacy .sec.first {
    border-top: 0.5px solid #a8a8a8;
    margin-top: 36px;
  }
  #wrapper .privacy .sec h3 {
    font-family: "BIZ UDPGothic", sans-serif;
    font-size: 15px;
    letter-spacing: 0.1em;
    margin-bottom: 12px;
  }
  footer {
    width: calc(100% - 40px);
    padding-bottom: 0;
  }
}