#rdcenter .kv-noslide-bg {
  background-image: url(../img/rdcenter-bg.png);
}

.rd-built-wrap {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 3.2rem;
}

.rd-built-wrap > div {
  width: calc(50% - 1.6rem);
}

.rd-built-title {
  font-size: 3.6rem;
  color: #05141f;
  font-weight: 600;
  line-height: 4.8rem;
  width: 100%;
}

.rd-built-copy {
  font-size: 2rem;
  color: #05141f;
  font-weight: 300;
  line-height: 3rem;
  margin-bottom: 3.2rem;
}

.rd-built-item-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 3.2rem;
  flex-wrap: wrap;
}

.rd-built-item {
  width: calc(50% - 1.6rem);
  max-width: 35rem;
}

.rd-built-item img {
  width: 100%;
  margin: 0 auto;
}

.rdcenter-depth1-title {
  font-size: 4.8rem;
  font-weight: 600;
  color: #05141f;
  margin-bottom: 3.2rem;
}

.rdcenter-sub-copy {
  margin-bottom: 3.2rem;
  font-size: 3.6rem;
  color: #05141f;
  font-weight: 600;
}

.rdcenter-detail {
  font-size: 2rem;
  font-weight: 400;
  line-height: 3rem;
  margin-bottom: 6.4rem;
}

.develope-sub-copy {
  display: block;
  text-align: right;
  width: 100%;
  font-size: 1.4rem;
  color: #303c47;
  font-weight: 400;
  margin-bottom: 1rem;
}

.develope-title {
  width: 100%;
  padding: 1.6rem;
  font-size: 1.6rem;
  font-weight: 600;
  color: #05141f;
  text-align: center;
  background: #e7e9ec;
  margin-bottom: 3.6rem;
}

.triangle {
  position: relative;
}

.triangle::after {
  content: '';
  position: absolute;
  bottom: -35%;
  left: 50%;
  transform: translateX(-50%);
  width: 8rem;
  height: 3rem;
  background: url(../img/rdccenter-triangle.png) no-repeat center;
  background-size: cover;
}

.develope-title.black {
  margin-bottom: 0.8rem;
  background: #172430;
  color: #fff;
}

.develope-title.black.pc-hide {
  display: none;
}
.develope-list-wrap ul {
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.develope-list {
  width: calc(33% - 0.3rem);
  min-height: 17.6rem;
  padding: 2.4rem;
  background: #f2f4f6;
}

.develope-list.four {
  width: calc(25% - 0.6rem);
}
.develope-list.two {
  width: calc(50% - 0.4rem);
}

.develope-list p {
  font-size: 1.6rem;
  font-weight: 600;
  color: #05141f;
  margin-bottom: 1.6rem;
}

.develope-sub-list-wrap li {
  list-style: disc;
  font-size: 1.4rem;
  color: #303c47;
  font-weight: 400;
  width: 100%;
  margin-left: 1.5rem;
}

.develope-sub-list-wrap li.single {
  list-style: none;
  margin-left: 0;
}

.plus-icon {
  display: block;
  width: 100%;
  text-align: center;
  font-size: 4rem;
  color: #303c47;
  font-weight: 300;
  margin: 0.5rem 0;
}
.only-mobile {
  display: none;
}

#rdcenter .tech-top-sub-copy {
  text-align: left;
}

#rdcenter .three-banner-text {
  margin: 0;
}

#rdcenter .three-banner-wrap {
  padding: 12rem 0 0;
}

#rdcenter .three-banner-title {
  font-size: 3.6rem;
  margin-bottom: 2rem;
  text-align: left;
}

#rdcenter .three-banner-copy {
  margin-bottom: 3.2rem;
  font-size: 2rem;
  text-align: left;
}

.tech-top-sub-copy {
  display: block;
  text-align: center;
  font-size: 2rem;
  color: #303c47;
}

@media screen and (max-width: 480px) {
  #rdcenter .kv-noslide-bg {
    background-position-x: 3%;
  }
  .rd-built-wrap {
    display: block;
  }
  .rd-built-wrap > div {
    width: 100%;
  }
  .rd-built-title {
    font-size: 3.6rem;
    line-height: 4.8rem;
    margin-bottom: 1.6rem;
  }
  .rd-built-copy {
    font-size: 2rem;
    line-height: 3rem;
    margin-bottom: 4.4rem;
  }

  .rd-built-item-wrap {
    display: block;
  }
  .rd-built-item {
    width: 100%;
    max-width: unset;
    margin-bottom: 3.2rem;
  }
  .rd-built-item:last-child {
    margin-bottom: 0;
  }
  .rdcenter-depth1-title {
    font-size: 3.6rem;
    line-height: 4.8rem;
    margin-bottom: 1.6rem;
  }
  .rdcenter-depth1-title.center {
    text-align: left;
  }
  .rdcenter-sub-copy {
    font-size: 2.8rem;
    line-height: 3.6rem;
    margin-bottom: 1.6rem;
  }
  .tech-top-sub-copy {
    text-align: left;
  }
  #rdcenter .three-banner-wrap {
    padding: 6.4rem 0 0;
  }

  .rdcenter-detail {
    font-size: 2rem;
    line-height: 3rem;
    margin-bottom: 4.4rem;
  }

  .develope-sub-copy {
    display: none;
  }

  .develope-title.black.pc-hide {
    display: block;
  }

  .develope-list-wrap .develope-title {
    display: none;
  }

  .develope-list-wrap ul {
    display: block;
  }

  .develope-list {
    width: 100% !important;
    min-height: unset;
    margin-bottom: 0.8rem;
  }

  .only-mobile {
    display: block;
    text-align: center;
  }

  .plus-icon {
    font-size: 3rem;
    margin: 0.8rem 0;
  }
}