/*mainimage
----------------------------------------------------*/
#mainimage {
  background: url("../images/top/bg_mainimage.png") repeat center center/cover;
  box-sizing: border-box;
}

.mainimage_pc {
  width: 100%;
  overflow: hidden;
  position: relative;
  z-index: 5;
}

.mainimage_img {
  width: 100%;
  max-width: 1322px;
  margin: 0 auto;
  text-align: center;
  line-height: 0;
  position: relative;
}
.mainimage_img img {
  width: auto;
  max-width: 100%;
  height: auto;
}

.mainimage_img01 {
  position: relative;
  z-index: 1;
}

.mainimage_imgbtn {
  position: absolute;
  z-index: 2;
  right: 17vw;
  bottom: 16%;
  width: 13vw;
  max-width: 155px;
  height: auto;
  max-height: 155px;
}
.mainimage_imgbtn a:hover {
  opacity: 0.8;
}
.mainimage_imgbtn a img {
  width: 12vw;
  max-width: 155px;
  height: auto;
  max-height: 100%;
}

.mainimage_subconts-img {
  position: absolute;
  z-index: 100;
}
.mainimage_subconts-img img {
  width: auto;
  max-width: 100%;
  height: auto;
}

.mainimage_subconts-img01 {
  left: 15%;
  top: 10%;
  animation: subconts01 6s ease-in-out 0s infinite normal;
}
.mainimage_subconts-img01 img {
  width: 14vw;
  max-width: 178px;
  height: auto;
}

.mainimage_subconts-img02 {
  left: 4.3%;
  bottom: 6.5%;
  animation: subconts02 6s ease-in-out 0s infinite normal;
}
.mainimage_subconts-img02 img {
  width: 14vw;
  max-width: 182px;
  height: auto;
}

.mainimage_subconts-img03 {
  left: 20.3%;
  bottom: 14.5%;
  animation: subconts03 9s ease-in-out 0s infinite normal;
}
.mainimage_subconts-img03 img {
  width: 14vw;
  max-width: 187px;
  height: auto;
}

.mainimage_subconts-img04 {
  left: 57%;
  bottom: 10.5%;
  animation: subconts04 8s ease-in-out 0s infinite normal;
}
.mainimage_subconts-img04 img {
  width: 12.2vw;
  max-width: 162px;
  height: auto;
}

@keyframes subconts01 {
  25% {
    margin-top: -6px;
  }
  75% {
    margin-top: 6px;
  }
}
@keyframes subconts02 {
  25% {
    margin-bottom: -6px;
  }
  75% {
    margin-bottom: 6px;
  }
}
@keyframes subconts03 {
  25% {
    margin-bottom: 8px;
  }
  75% {
    margin-bottom: -8px;
  }
}
@keyframes subconts04 {
  30% {
    margin-bottom: -4px;
  }
  70% {
    margin-bottom: 4px;
  }
}
.mainimage_sp {
  display: none;
}