.l-about_ttl_wrapper {
  display: grid;
  grid-template: 1fr / auto auto;
  -webkit-box-align: end;
  -ms-flex-align: end;
  align-items: flex-end;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  margin-bottom: 15rem;
  padding-top: 33.5rem;
}

.l-about_ttl_ac {
  font-family: "Spartan",sans-serif;
  font-size: 12rem;
}

.l-about_content {
  gap: 0 4rem;
  display: grid;
  grid-template: 1fr / auto auto;
  margin-bottom: 10rem;
  padding-bottom: 10rem;
  border-bottom: .1rem solid #444;
}

.l-about_content_item_ttl {
  margin-bottom: 3rem;
  font-family: "Spartan",sans-serif;
  font-size: 4.8rem;
  font-weight: 700;
}

.l-about_content_item_txt {
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1.5;
}

.l-about_project {
  gap: 0 4rem;
  display: grid;
  grid-template: auto auto auto / 1fr 1fr;
  grid-template-areas: "item01 ttl" "item01 item02" "item03 item04";
  margin-bottom: 19rem;
}

.l-about_project_ttl {
  grid-area: ttl;
  margin-bottom: 16.7rem;
  text-align: right;
}

.l-about_project_item {
  padding-bottom: 13.5rem;
}

.l-about_project_item01 {
  grid-area: item01;
}

.l-about_project_item02 {
  grid-area: item02;
}

.l-about_project_item03 {
  grid-area: item03;
  margin-top: -21rem;
}

.l-about_project_item04 {
  grid-area: item04;
  padding-bottom: 0;
}

.l-about_project_item_img {
  position: relative;
  margin-bottom: 4rem;
  line-height: 0;
}

.l-about_project_item_img_txt {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 6rem;
  height: 6rem;
  background: #000;
  color: #fff;
  font-family: "Spartan",sans-serif;
  font-size: 3.2rem;
  font-weight: 700;
  line-height: 6rem;
  text-align: center;
}

.l-about_project_item_ttl {
  margin-bottom: 3rem;
}

.l-about_project_item_list {
  margin-bottom: 0.8rem;
  padding-left: .5em;
  text-indent: -.5em;
}

.l-about_project_item_list_wrapper {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.6;
}

.l-about_project_item_disc {
  gap: 1rem;
  display: grid;
  grid-template: 1fr / 10rem 1fr;
  margin-bottom: 0.8rem;
}

.l-about_project_item_disc_ttl {
  position: relative;
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 2;
}

.l-about_project_item_disc_ttl::before {
  position: absolute;
  top: 0;
  right: 0;
  content: ":";
}

.l-about_project_item_disc_txt {
  color: #444;
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 2;
}

.l-network {
  padding-top: 20rem;
  border-top: .1rem solid #444;
}

.l-network_ttl {
  margin-bottom: 8rem;
}

.l-network_item_wrapper {
  gap: 0 4rem;
  display: grid;
  grid-template: 1fr / 1fr 1fr;
  margin-bottom: 12.2rem;
}

.l-network_item_img_wrapper {
  margin-bottom: 2rem;
}

.l-network_item_ttl {
  margin-bottom: 1rem;
  font-size: 2.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 2;
}

.l-network_item_txt {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 2;
}

.l-about_other {
  gap: 0 4rem;
  display: grid;
  grid-template: 1fr / 1fr 1fr;
  margin-bottom: 20rem;
}

.l-about_other_item {
  padding: 8rem 6rem;
  border: .1rem solid #444;
  background: #fff;
}

.l-about_other_item_ttl {
  margin-bottom: 3.2rem;
}

.l-about_other_item_ttl.is-small {
  font-size: 3.2rem;
}

.l-about_other_item_lead {
  margin-bottom: 4rem;
  color: #000;
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.l-about_other_item_txt {
  color: #444;
  font-size: 1.6rem;
  letter-spacing: 0.04em;
  line-height: 1.71429;
}

.l-bnr {
  z-index: 1;
  position: relative;
  background: #000;
}

.l-bnr_item {
  display: grid;
  grid-template: 1fr / auto auto;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  min-height: 30.2rem;
  padding: 0 12rem;
}

.l-bnr_item:hover .l-bnr_item_link::before {
  -webkit-transform: scaleX(0);
  transform: scaleX(0);
  -webkit-transform-origin: right;
  transform-origin: right;
}

.l-bnr_item.is-hide {
  opacity: 0;
}

.l-bnr_item_link {
  margin: 0 0 0 auto;
  color: #fff;
}

.l-bnr_item_link::before {
  background: #fff;
  content: "";
}

.l-bnr_item_ttl {
  color: #fff;
  font-size: 3.2rem;
  font-weight: 700;
  letter-spacing: .04em;
}

.l-bnr_item_ttl_sub {
  display: block;
  padding-top: 2rem;
  font-size: 1.4rem;
  font-weight: 400;
  letter-spacing: 0;
}

.l-bnr_bg {
  z-index: -1;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.l-bnr_bg_img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
  object-fit: cover;
  opacity: 0;
  -webkit-transition: opacity 0.45s cubic-bezier(0.165, 0.84, 0.44, 1);
  transition: opacity 0.45s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.l-bnr_bg_img.is-active {
  opacity: 1;
}

@media screen and (max-width: 48em) {
  .l-about_ttl {
    margin-bottom: 6rem;
  }
  .l-about_ttl_wrapper {
    display: block;
    margin-bottom: 10rem;
    padding-top: 18rem;
  }
  .l-about_ttl_ac {
    font-size: 4.2rem;
  }
  .l-about_content {
    display: block;
    margin-bottom: 10rem;
  }
  .l-about_content_item {
    margin-bottom: 6rem;
  }
  .l-about_content_item:last-of-type {
    margin-bottom: 0;
  }
  .l-about_content_item_ttl {
    margin-bottom: 2.4rem;
    font-size: 2.4rem;
  }
  .l-about_content_item_txt {
    font-size: 1.8rem;
  }
  .l-about_project {
    display: block;
    margin-bottom: 10rem;
  }
  .l-about_project_ttl {
    margin-bottom: 6rem;
  }
  .l-about_project_item {
    margin-bottom: 10rem;
    padding-bottom: 0;
  }
  .l-about_project_item03 {
    margin-top: 0;
  }
  .l-about_project_item_img {
    margin-bottom: 3.2rem;
  }
  .l-about_project_item_img_txt {
    width: 4rem;
    height: 4rem;
    font-size: 2.4rem;
    line-height: 4rem;
  }
  .l-network {
    padding-top: 10rem;
  }
  .l-network_ttl {
    margin-bottom: 6rem;
  }
  .l-network_item {
    margin-bottom: 6rem;
  }
  .l-network_item:last-of-type {
    margin-bottom: 0;
  }
  .l-network_item_wrapper {
    display: block;
    margin-bottom: 10rem;
  }
  .l-network_item_ttl {
    margin-bottom: 2rem;
    font-size: 2.4rem;
  }
  .l-about_other {
    display: block;
    margin-bottom: 10rem;
  }
  .l-about_other_item {
    padding: 4rem 2rem;
  }
  .l-about_other_item_lead {
    margin-bottom: 2rem;
    font-size: 1.8rem;
  }
  .l-bnr_item {
    display: grid;
    grid-template: auto / auto auto;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
    min-height: 0;
    padding: 7.6rem 2rem;
  }
  .l-bnr_item:hover .l-bnr_item_link::before {
    -webkit-transform: scaleX(1);
    transform: scaleX(1);
  }
  .l-bnr_item_link::before {
    display: none;
  }
  .l-bnr_item_link_txt {
    display: none;
  }
  .l-bnr_item_link.c-btn {
    width: 2rem;
  }
  .l-bnr_item_ttl {
    padding-top: 0;
    font-size: 2.4rem;
  }
  .l-bnr_item_ttl_sub {
    font-size: 1.2rem;
  }
}