#product .mv {
  background: url(../img/product/mv.jpg) center center/cover no-repeat;
}
#product .page_cont .container {
  padding-bottom: 60px;
}
#product h2 {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 25px;
  display: table;
  padding: 0 15px;
  color: #00afe4;
  border-bottom: 2px solid #00afe4;
}
#product h3 {
  font-size: 1.1em;
  font-weight: bold;
  text-align: left;
}
#product .system {
  padding-top: 80px;
}
#product .border {
  width: 100px;
  margin-bottom: 5%;
  padding-bottom: 5%;
  border-bottom: 4px solid #d3d3d3;
}
#product .txt {
  font-size: 1.6rem;
  margin-bottom: 30px;
}
#product .img-contents {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1%;
  margin-bottom: 3rem;
}
#product .img-contents >div p {
  color: #fff;
  background-color: #00afe4;
  text-align: center;
  padding: .5em 0;
}
#product .img-contents >div img {
  width: 100%;
}
#product .img-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1%;
}
.grid-contents {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5%;
  padding-bottom: 10%;
}
.sub_page .page_cont .container > div {
  margin-bottom: 40px;
}
@media screen and (max-width: 768px) {
  .grid-contents {
    grid-template-columns: 1fr;
    padding-bottom: 20%;
  }
}
.img-grid__three {
  display: grid;
  grid-template-areas:
    "g1 g2"
    "g3 g3";
  grid-template-columns: 1fr 1fr;
  gap: 4px;
}
._g1 {
  grid-area: g1;
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}
._g2 {
  grid-area: g2;
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

._g3 {
  grid-area: g3;
  width: 100%;
  grid-column: 1/3;
}

@media screen and (max-width: 768px) {
  #product .img-contents {
    grid-template-columns: 1fr;
  }
}
.tab-btn {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 10px;
  margin-bottom: 2rem;
}

.btn {
  flex-basis: 32%;
  text-align: center;
}
.btn a {
  display: block;
  position: relative;
  font-size: 16px;
  padding: 8px;
  text-decoration: none;
  line-height: 1.2;
  color: #181716;
  background-color: #ececec;
  cursor: pointer;
  border-radius: 15px 15px;
  height: 40px;
  align-content: center;
}
@media screen and (max-width: 768px) {
  .btn {
    flex-basis: 30%;
  }
  .btn a {
    min-height: 55px;
    align-content: center;
  }
}
.btn a.is-active {
  background-color: #00afe4;
  color: #fff;
}

.tab-contents-item {
  display: block;
  width: 100%;
  justify-content: center;
}
.tab-contents-item.is-active {
  display: flex;
}
.tab-contents-item > p {
  margin: auto;
  height: 40px;
  opacity: 0;
}
.tab-contents-item p.txt {
  margin-bottom: 20px;
}
.tab-contents-item p.img {
  margin-bottom: 70px;
}
.tab-contents-item.is-active > p {
  animation: fadeinAnime 2s forwards;
}

@keyframes fadeinAnime {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Main Tabs */
.oem__tab_contents,
.product__tab_contents {
  display: none;
}

.oem__tab_contents.is-active,
.product__tab_contents.is-active {
  display: block;
}

.oem__tabs a.is-active h2 {
  color: #00afe4;
  border-bottom: 2px solid #00afe4;
}

.system .img-contents {
      display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 5%;
}
@media screen and (max-width: 768px) {
  .system .img-contents {
    display: block;
  }
}