/*-------------------------------
---Common
-------------------------------*/

main {
  margin-bottom: 12rem;
}


/*-------------------------------
---.main_image
-------------------------------*/

.main_image {
  position: relative;
}

.main_image::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  display: block;
  width: 100%;
  height: 50%;
  background: transparent linear-gradient(180deg, #FFFFFF 0%, #FFFFFF00 100%) 0% 0% no-repeat;
}

.main_image .main_image_txt {
  position: absolute;
  top: 2.5vw;
  left: 8.33vw;
}

.main_image .main_image_txt .title_wrap {
  display: grid;
  grid-template-columns: max-content 1fr;
  align-items: center;
  grid-gap: 2rem;
  color: #000;
}

.main_image .main_image_txt .title_wrap .catch_copy {
  font-size: 2rem;
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: 0.025em;
}

.main_image .main_image_txt .title_wrap .catch_copy br {
  display: none;
}

.main_image .main_image_txt .serial_number {
  width: 70px;
  height: 70px;
  display: grid;
  grid-template-columns: repeat(2, max-content);
  grid-gap: 0.5rem;
  justify-content: center;
  align-items: center;
  font-size: 2.8rem;
  font-weight: 500;
  line-height: 1;
  background-color: #fff;
}

.main_image .main_image_txt .serial_number::before {
  content: '\023';
  font-size: 2rem;
}

.main_image .main_image_txt .owners_intro {
  margin-top: 1rem;
  margin-left: 9rem;
}

.main_image .main_image_txt .owners_intro dt {
  margin-bottom: 1rem;
}


/*-------------------------------
---.gallery_contents
-------------------------------*/

.gallery_contents .section_block {
  display: grid;
  grid-template-columns: 1fr;
  grid-gap: .4rem;
}

.gallery_contents .image_block {
  display: grid;
  grid-auto-rows: 1fr;
  grid-gap: .4rem;
}

.gallery_contents .image_block .image {
  position: relative;
}

.gallery_contents .image_block.imageA {
  grid-template-columns: 1fr;
}

.gallery_contents .image_block.imageB {
  grid-template-columns: repeat(2, 1fr);
}

.gallery_contents .image_block.imageC {
  grid-template-columns: 3fr 2fr;
}

.gallery_contents .image_block.imageD {
  grid-template-columns: 2fr 3fr;
}

.gallery_contents .image_block.imageE {
  grid-template-columns: 6.67fr 3.33fr;
}

.gallery_contents .image_block.imageF {
  grid-template-columns: 3.33fr 6.67fr;
}

.gallery_contents .image_block.imageG {
  grid-template-areas:  "a b"
                        "a c";
}

.gallery_contents .image_block.imageH {
  grid-template-areas:  "a c"
                        "b c";
}

.gallery_contents .image_block.imageI {
  grid-template-columns: repeat(3, 1fr);
}

.gallery_contents .image_block.imageG .image:nth-child(1),
.gallery_contents .image_block.imageH .image:nth-child(1) {
  grid-area: a;
}
.gallery_contents .image_block.imageG .image:nth-child(2),
.gallery_contents .image_block.imageH .image:nth-child(2) {
  grid-area: b;
}
.gallery_contents .image_block.imageG .image:nth-child(3),
.gallery_contents .image_block.imageH .image:nth-child(3) {
  grid-area: c;
}

.gallery_contents .image_block .image img {
  height: 100%;
  object-fit: cover;
}

.gallery_contents .image_block .image .image_num,
.gallery_contents .image_captions .caption_num {
  width: 20px;
  height: 20px;
  display: inline-block;
  font-size: 1.3rem;
  line-height: calc(20 / 13);
  color: #fff;
  text-align: center;
  background-color: #323232;
}

.gallery_contents .image_block .image .image_num {
  position: absolute;
  bottom: 0;
  right: 0;
}

.gallery_contents .image_captions {
  margin: 1rem 1.5rem 9rem;
}

.gallery_contents .desc {
  max-width: var(--max-width-inner);
  margin: 9rem auto;
}

.gallery_contents .desc dt {
  font-size: 2rem;
  font-weight: 500;
  text-align: center;
  margin-bottom: 3rem;
}