.product-detail-page {
  background: #fff;
  color: #111;
  font-family: Arial, Helvetica, sans-serif;
}

.product-detail-page .contents {
  width: 1200px;
  max-width: calc(100% - 30px);
  margin: 0 auto;
}

.product-detail-page ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.product-detail-page .detail-area {
  margin: -40px 0 -80px;
}

.product-detail-page .detail-area::after {
  display: block;
  clear: both;
  content: "";
}

.product-detail-page .area-01 {
  float: left;
  position: sticky;
  top: 100px;
  width: 600px;
  padding: 30px 0 100px;
}

.product-detail-page .visual-area {
  position: relative;
  height: 600px;
}

.product-detail-page .slider {
  position: absolute;
  top: 0;
  right: 0;
  width: 600px;
  height: 600px;
}

.product-detail-page .slider .item {
  display: none;
  position: relative;
  width: 600px;
  height: 600px;
}

.product-detail-page .slider .item.is-active {
  display: block;
}

.product-detail-page .slider .item img {
  position: absolute;
  inset: 0;
  margin: auto;
  max-width: 600px;
  max-height: 600px;
}

.product-detail-page .slider .item:first-child img {
  max-width: 426px;
}

.product-detail-page .slider-thumb {
  position: absolute;
  bottom: 20px;
  left: 19px;
}

.product-detail-page .slider-thumb .item {
  position: relative;
  width: 52px;
  height: 52px;
  margin-top: 5px;
  background: #fff;
  border: 1px solid #ddd;
  cursor: pointer;
  transition: border-color 0.2s, opacity 0.2s;
}

.product-detail-page .slider-thumb .item:hover,
.product-detail-page .slider-thumb .item.slick-current {
  border: 2px solid #000;
}

.product-detail-page .slider-thumb .item:hover {
  opacity: 0.7;
}

.product-detail-page .slider-thumb .item img {
  position: absolute;
  inset: 0;
  margin: auto;
  max-width: 48px;
  max-height: 48px;
}

.product-detail-page .area-02 {
  float: right;
  box-sizing: border-box;
  width: 600px;
  padding: 90px 0 90px 48px;
  border-left: 1px solid #ddd;
}

.product-detail-page .model_number {
  margin: 0;
  color: #111;
  font-size: 46px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0;
}

.product-detail-page .heading-features {
  margin: 80px 0 0;
  color: #111;
  font-size: 27px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0;
}

.product-detail-page .table-layout-v2 {
  margin-top: 0;
}

.product-detail-page .table_inner {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
  color: #111;
  font-size: 14px;
  line-height: 1.45;
}

.product-detail-page .gp-w-025per {
  width: 25%;
}

.product-detail-page .gp-w-050per {
  width: 50%;
}

.product-detail-page .table_inner th,
.product-detail-page .table_inner td {
  padding: 15px 0;
  vertical-align: top;
  text-align: right;
}

.product-detail-page .table_inner th {
  font-weight: 700;
  vertical-align: middle;
  text-align: right;
}

.product-detail-page .table_inner .cell-border {
  border-top: 1px solid #ddd;
}

.product-detail-page .table_inner tr:last-of-type {
  border-bottom: 1px solid #ddd;
}

.product-detail-page .table_inner .cell-inner-top {
  padding: 15px 0 2px;
}

.product-detail-page .table_inner .cell-inner {
  padding: 2px 0;
}

.product-detail-page .table_inner .cell-inner-bottom {
  padding: 2px 0 15px;
}

.product-detail-page .relation-area {
  margin-top: 40px;
}

.product-detail-page .relation-list {
  display: flex;
  padding: 0 35px;
}

.product-detail-page .relation-list li a {
  position: relative;
  display: block;
  width: 120px;
  height: 150px;
}

.product-detail-page .relation-list figure {
  margin: 0;
}

.product-detail-page .relation-list li a img {
  position: absolute;
  inset: 0;
  margin: auto;
  max-width: 120px;
  max-height: 150px;
}

@media (max-width: 1220px) {
  .product-detail-page .contents {
    width: calc(100% - 30px);
  }

  .product-detail-page .area-01 {
    width: 50%;
  }

  .product-detail-page .area-02 {
    width: 50%;
  }

  .product-detail-page .slider,
  .product-detail-page .slider .item {
    width: 100%;
  }
}

@media (max-width: 820px) {
  .product-detail-page .contents {
    width: calc(100% - 30px);
  }

  .product-detail-page .detail-area {
    margin: 30px 0 0;
  }

  .product-detail-page .area-01,
  .product-detail-page .area-02 {
    float: none;
    width: 100%;
  }

  .product-detail-page .area-01 {
    position: static;
    padding: 0;
  }

  .product-detail-page .area-02 {
    margin-top: 35px;
    padding: 0;
    border-left: 0;
  }

  .product-detail-page .model_number {
    font-size: 23px;
    text-align: center;
  }

  .product-detail-page .visual-area {
    height: auto;
    margin-top: 45px;
  }

  .product-detail-page .slider {
    position: static;
    width: 100%;
    height: 345px;
  }

  .product-detail-page .slider .item {
    width: 100%;
    height: 345px;
  }

  .product-detail-page .slider .item img,
  .product-detail-page .slider .item:first-child img {
    max-width: 100%;
    max-height: 345px;
  }

  .product-detail-page .slider-thumb {
    position: static;
    display: flex;
    justify-content: center;
    margin-top: 10px;
  }

  .product-detail-page .slider-thumb .item {
    width: 65px;
    height: 65px;
    margin: 0 5px 0 0;
  }

  .product-detail-page .slider-thumb .item:last-child {
    margin-right: 0;
  }

  .product-detail-page .slider-thumb .item img {
    max-width: 61px;
    max-height: 61px;
  }

  .product-detail-page .heading-features {
    margin-top: 0;
    font-size: 21px;
  }

  .product-detail-page .table_inner th,
  .product-detail-page .table_inner td {
    padding: 15px 0;
  }

  .product-detail-page .table_inner th {
    padding-right: 15px;
    font-size: 16px;
  }

  .product-detail-page .table_inner .cell-inner-top {
    padding-top: 15px;
    padding-bottom: 4px;
  }

  .product-detail-page .table_inner .cell-inner {
    padding-top: 4px;
    padding-bottom: 4px;
  }

  .product-detail-page .table_inner .cell-inner-bottom {
    padding-top: 4px;
    padding-bottom: 15px;
  }

  .product-detail-page .relation-area {
    overflow-x: auto;
    margin: 45px -15px 0;
    padding-bottom: 10px;
  }

  .product-detail-page .relation-list {
    padding: 0;
  }

  .product-detail-page .relation-list li a {
    width: 170px;
    height: 230px;
  }

  .product-detail-page .relation-list li a img {
    max-width: 170px;
    max-height: 230px;
  }
}