@charset "UTF-8";

#key-visual {
  background-image: url(../images/privacy-key-visual.jpg);
}

#sec01:before {
  content: "";
  display: block;
  border-left: 21.8vw solid #ffd700;
  border-bottom: 21.8vw solid transparent;
  position: absolute;
  left: 0;
  top: 0;
}
#sec01:after {
  content: "";
  display: block;
  border-bottom: min(29.3vw, 42rem) solid #274a9d;
  border-left: min(29.3vw, 42rem) solid transparent;
  position: absolute;
  right: 0;
  bottom: 0;
}
#sec01 .inner {
  z-index: 9;
}

#sec01 p.lead {
  margin-bottom: 8rem;
}
#sec01 h3 {
  font-size: 2.8rem;
  line-height: 1.75;
  border-bottom: 0.1rem solid #ccc;
  margin-bottom: 3.6rem;
  margin-top: 5.4rem;
  padding-bottom: 1.2rem;
}
#sec01 p {
  margin-bottom: 1.5em;
}
.signature {
  margin-top: 5.4rem;
}

@media screen and (max-width: 599px) {
  #sec01:before {
    border-left: 19vw solid #ffd700;
    border-bottom: 19vw solid transparent;
  }
  #sec01:after {
    border-bottom: 28.7rem solid #274a9d;
    border-left: 28.7rem solid transparent;
  }
  #sec01 .sec-title01 {
    font-size: clamp(24px, 6rem, 60px);
  }

  #sec01 p.lead {
    margin-bottom: 16rem;
  }
  #sec01 h3 {
    font-size: clamp(19px, 4.2rem, 42px);
    border-bottom: 0.2rem solid #ccc;
    margin-bottom: 7.2rem;
    margin-top: 10.8rem;
    padding-bottom: 2.4rem;
  }
  .signature {
    margin-top: 10.4rem;
  }
}