body {
  min-height: 100vh;
  background-attachment: fixed;
  background-size: cover;
  background-image: url("../images/pc-top_bg.jpg");
  background-repeat: no-repeat;
}

@media screen and (max-width: 768px) {
  body::before {
    background: url("../images/pc-top_bg.jpg") no-repeat center;
    background-size: cover;
    content: "";
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    z-index: -1;
    width: 100%;
    height: 100vh;
  }
}

/*---------------------.first-view*/
.first-view {
  background-image: url("../images/office/pc-top_fv.jpg");
  background-repeat: no-repeat;
  background-size: cover;
  height: 545px;
  position: relative;
}

.first-view h1 {
  font-size: 42px;
  color: white;
  position: absolute;
  top: 50%;
  left: 50%;
  text-align: center;
  transform: translate(-50%, -50%);
  font-weight: normal;
  width: 100%;
}

.first-view h1 .myfont {
  font-weight: 300;
  color: white;
  display: block;
  font-size: 60px;
  opacity: 0.5;
}

@media screen and (max-width: 768px) {
  .first-view {
    background-image: url("../images/office/sp-top_fv.jpg");
    height: 335px;
  }
  .first-view h1 {
    padding-bottom: 50px;
    padding-top: 50px;
    width: 188px;
    font-size: 30px;
    background-color: #c74e1b;
  }
  .first-view h1 .myfont {
    font-size: 30px;
  }
}

.office .w1560 {
  max-width: 1560px;
  width: 81.25%;
  margin: 130px 0 130px auto;
}

.office .w1560 dl {
  width: 430px;
  margin-top: 60px;
}

.office .w1560 dl dt {
  margin-bottom: 34px;
}

.office .w1560 dl dt span {
  font-size: 24px;
  display: block;
  line-height: 1.3;
}

.office .w1560 dl dt .align-right {
  text-align: right;
  font-size: 27px;
  padding-top: 16px;
}

.office .w1560 dl dd {
  font-size: 20px;
}

.office .w1560 dl .name {
  font-size: 16px;
}

.office .w1560 dl .tel {
  margin-top: 30px;
}

.office .w1560 dl .tel a {
  pointer-events: none;
  display: inline;
}

.office .w1560 dl .fax {
  margin-bottom: 18px;
}

.office .w1560 .map {
  width: 65.38462%;
  margin: 0 0 0 auto;
  max-width: 1020px;
  position: relative;
  height: 600px;
}

.office .w1560 .map iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: block;
}

@media screen and (max-width: 1200px) {
  .office .w1560 .map {
    width: 50%;
    height: 100%;
  }
}

@media screen and (max-width: 768px) {
  .office .w1560 {
    width: auto;
    margin: 40px 0;
    padding: 0 5.3vw;
  }
  .office .w1560 .map {
    width: 100%;
    height: 300px;
  }
  .office .w1560 dl {
    width: auto;
    margin-top: 0;
  }
  .office .w1560 dl dt {
    margin-bottom: 20px;
  }
  .office .w1560 dl dt span {
    font-size: 14px;
  }
  .office .w1560 dl dt .align-right {
    text-align: left;
  }
  .office .w1560 dl dt img {
    width: 71.2%;
    max-width: 534px;
    height: auto;
  }
  .office .w1560 dl dd {
    font-size: 15px;
  }
  .office .w1560 dl .tel {
    margin-top: 16px;
  }
  .office .w1560 dl .tel a {
    pointer-events: all;
  }
  .office .w1560 dl .fax {
    margin-bottom: 20px;
  }
}

.img-area {
  background-image: url("../images/office/pc-img-area.jpg");
  width: 100%;
  height: 464px;
  background-repeat: no-repeat;
  background-position: center;
}

@media screen and (max-width: 768px) {
  .img-area {
    background-image: url("../images/office/sp-img-area.jpg");
    height: 366px;
    background-size: cover;
  }
}

@media screen and (max-width: 380px) {
  .img-area {
    background-size: contain;
  }
}