@charset "UTF-8";
/* CSS Document */
/*--------------------------------------
　Main Index
---------------------------------------*/
.keyArea {
  margin: 0 auto;
  position: relative;
  background: url(img/key.jpg) 0 0 no-repeat;
  background-size: cover;
  min-height: 53rem;
  padding: 8rem 0 0;
}

.keyArea .inner {
  max-width: 1040px;
  width: 100%;
  margin: 6rem auto 0;
  padding: 0;
  box-sizing: border-box;
  position: relative;
  min-height: 0;
}
.keyArea .inner .mainTit {
  padding: 0;
  line-height: 1.4;
}

.keyArea .inner .mainTit h2 {
  font-size: 3rem;
  font-weight: bold;
  color: #33a5ca;
  margin: 0;
  background: rgb(255 255 255 / 75%);
  width: 690px;
  padding: 0 3rem 2rem;
  box-sizing: border-box;
}

.keyArea .inner .mainTit .lead {
  font-size: 2rem;
  margin: 0;
  padding: 5rem 0 0;
  display: block;
}

.keyArea .inner .mainTit .big {
  font-size: 4.5rem;
  color: #33a5ca;
}

.keyArea .inner .mainTit small {
  font-size: 1.8rem;
}

.keyArea .inner p {
  padding: 0 3rem 5rem;
  box-sizing: border-box;
  font-size: 1.45rem;
  background: rgb(255 255 255 / 75%);
  margin: 0;
  width: 690px;
}

.keyArea .inner .keyAreaBtn {
  width: 534px;
  padding: 0;
}
.keyArea .inner .keyAreaBtn .btn-internal {
  width: 80%;
}
.keyArea .inner .keyAreaBtn .btn-internal a {
  background: #38b9c8 url("img/arrow_int_down.png") right 2rem top 50% no-repeat;
  background-size: 30px auto;
  padding: 1rem 6rem 1rem 3rem;
}

@media screen and (max-width: 480px) {
  .keyArea {
    background: url("img/key.jpg") right 0rem top no-repeat;
    background-size: contain;
    padding: 0 4% 0rem 6%;
    margin-top: 1rem;
  }

  .keyArea::before {
    height: 100%;
    top: 1rem;
    width: 90%;
  }

  .keyArea .inner {
    margin: 0 auto;
    background: none;
    box-sizing: border-box;
    width: 100%;
    padding: 43vw 0 0;
    min-height: auto;
  }
  .keyArea .inner .subTit {
    font-size: 1.6rem;
    letter-spacing: 0;
    margin-left: 3rem;
  }

  .keyArea .inner .subTit small {
    font-size: 1.2rem;
  }

  .keyArea .inner .mainTit {
    text-align: left;
    font-size: 1.8rem;
    line-height: 1.4;
    margin: 1rem 0 2.5rem 0;
    padding: 0;
    box-sizing: border-box;
  }
  .keyArea .inner .mainTit h2 {
    width: auto;
    padding: 0;
    font-size: 1.8rem;
  }
  .keyArea .inner .mainTit .lead {
    font-size: 1.5rem;
    padding: 0 0 1rem;
  }
  .keyArea .inner .mainTit p {
    font-size: 1.7rem;
  }
  .keyArea .inner .mainTit span {
    padding: 0;
    font-size: 1.2rem;
  }
  .keyArea .inner .mainTit .big {
    font-size: 2.4rem;
  }
  .keyArea .inner .mainTit small {
    font-size: 1.3rem;
  }

  .keyArea .inner p {
    line-height: 1.6;
    font-size: 1.6rem;
    padding: 0;
    border: none;
    width: 100%;
    margin-top: 4rem;
    background: none;
  }

  .keyArea .inner .keyAreaBtn {
    width: 100%;
  }
  .keyArea .inner .keyAreaBtn .btn-internal {
    width: 100%;
    margin-top: 2rem;
  }
  .keyArea .inner .keyAreaBtn .btn-internal a {
    background: #38b9c8 url("img/arrow_int_down.png") right 2rem top 50% no-repeat;
    background-size: 24px auto;
    padding: 1rem 5rem 1rem 3rem;
  }
}