/* ------------------------------
 width: all
------------------------------ */
main {
  /*------------ corporate_case -------------- */
}
main section.ttlsection02 .wrapper {
  background-image: url(../../images/bg_ttl_cs.jpg);
}
main section.s01 {
  max-width: 1350px;
  margin: 0 auto;
  padding: 0 40px 30px 234px;
}
main section.s01 .wrapper ul {
  display: -moz-flex;
  display: -ms-flex;
  display: -o-flex;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}
main section.s01 .wrapper ul li {
  width: calc((100% - 75px) / 6);
}
main section.s01 .wrapper ul li .photo {
  overflow: hidden;
}
main section.s01 .wrapper ul li .photo img {
  -webkit-transition: 0.3s;
  transition: 0.3s;
}
main section.s01 .wrapper ul li a {
  width: 100%;
  display: block;
  text-decoration: none;
  position: relative;
}
main section.s01 .wrapper ul li a:hover {
  opacity: 1;
}
main section.s01 .wrapper ul li a:hover::after {
  opacity: 1;
}
main section.s01 .wrapper ul li a:hover .photo img {
  -webkit-transform: scale(1.1);
          transform: scale(1.1);
}
main section.s01 .wrapper ul li a::after {
  content: "";
  display: block;
  width: 60px;
  height: 1px;
  background-color: #003149;
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  margin: 0 auto;
  opacity: 0;
  -webkit-transition-duration: 0.3s;
          transition-duration: 0.3s;
}
main section.s01 .wrapper ul li a img {
  width: 100%;
  display: block;
}
main section.s01 .wrapper ul li a p {
  text-align: center;
  font-size: 15px;
  color: #003149;
  line-height: 160%;
  margin-top: 10px;
  padding-bottom: 5px;
  letter-spacing: 0;
}
main #corporate_case {
  max-width: 1350px;
  margin: 0 auto;
  padding: 80px 40px 100px 234px;
}
main #corporate_case .corporate_case_list_item {
  position: relative;
}
main #corporate_case .corporate_case_list_item + .corporate_case_list_item {
  margin-top: 100px;
}
main #corporate_case .corporate_case_list_item_img_inner {
  position: relative;
  width: 100%;
}
main #corporate_case .corporate_case_list_item_img_inner::before {
  content: "";
  display: block;
  padding-top: 396px;
}
main #corporate_case .corporate_case_list_item_img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
}
main #corporate_case .corporate_case_list_item_img_txt {
  position: absolute;
  top: 120px;
  left: 70px;
  text-align: left;
  -webkit-writing-mode: vertical-rl;
      -ms-writing-mode: tb-rl;
          writing-mode: vertical-rl;
  background-color: rgba(255, 255, 255, 0.86);
  max-width: 162px;
  width: 100%;
  min-height: 528px;
  font-size: 36px;
  color: #003149;
  padding: 20px 15px 20px 0;
  letter-spacing: 0.06em;
  line-height: 120%;
}
main #corporate_case .corporate_case_list_item_img_txt.corporate_case_list_item_img_txt04 {
  width: 125px;
}
main #corporate_case .corporate_case_list_item_img_txt_label {
  background-color: #E6B422;
  font-size: 22px;
  line-height: 100%;
  padding: 8px 6px;
  display: inline-block;
  margin-left: 10px;
}
main #corporate_case .corporate_case_list_item_content {
  width: 100%;
  padding: 0 60px 0 280px;
  margin-top: 80px;
}
main #corporate_case .corporate_case_list_item_ttl {
  font-size: 30px;
  color: #003149;
  letter-spacing: 0.02em;
}
main #corporate_case .corporate_case_list_item_parag {
  font-size: 14px;
  color: #003149;
  letter-spacing: 0.02em;
  line-height: 2.2;
  margin-top: 25px;
}

footer {
  margin-top: 0;
}

/* ------------------------------
 width < $width-1
------------------------------ */
@media screen and (max-width: 860px) {
  main {
    /*------------ corporate_case -------------- */
  }
  main section.ttlsection02 .wrapper {
    background-image: url(../../images/bg_ttl_cs.jpg);
  }
  main section.s01 {
    max-width: 1350px;
    margin: 0 auto;
    padding: 0 20px;
  }
  main section.s01 .wrapper ul {
    display: -moz-flex;
    display: -ms-flex;
    display: -o-flex;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    gap: 8px 10px;
  }
  main section.s01 .wrapper ul li {
    width: calc((100% - 10px) / 2);
  }
  main section.s01 .wrapper ul li a {
    width: 100%;
    display: block;
    text-decoration: none;
    position: relative;
  }
  main section.s01 .wrapper ul li a:hover {
    opacity: 1;
  }
  main section.s01 .wrapper ul li a:hover::after {
    opacity: 1;
  }
  main section.s01 .wrapper ul li a::after {
    content: "";
    display: block;
    width: 60px;
    height: 1px;
    background-color: #003149;
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    margin: 0 auto;
    opacity: 0;
    -webkit-transition-duration: 0.3s;
            transition-duration: 0.3s;
  }
  main section.s01 .wrapper ul li a .photo {
    height: calc((100vw - 50px) / 2 * 0.5);
  }
  main section.s01 .wrapper ul li a .photo img {
    width: 100%;
    height: 100%;
    -o-object-fit: cover;
       object-fit: cover;
    -o-object-position: 50% 50%;
       object-position: 50% 50%;
  }
  main section.s01 .wrapper ul li a p {
    text-align: center;
    font-size: 12px;
    color: #003149;
    line-height: 160%;
    margin-top: 10px;
    padding-bottom: 5px;
    letter-spacing: 0;
  }
  main section.s01 .wrapper ul li a p br {
    display: none;
  }
  main #corporate_case {
    max-width: 1350px;
    margin: 0 auto;
    padding: 80px 0 40px;
  }
  main #corporate_case h3 {
    text-align: center;
    font-size: 21px;
    font-weight: 400;
    position: relative;
    color: #2B2B2B;
    margin-bottom: 35px;
  }
  main #corporate_case h3::before {
    content: "";
    display: block;
    width: 10px;
    height: 10px;
    background-color: #003149;
    position: absolute;
    top: -20px;
    right: 0;
    left: 0;
    margin: 0 auto;
    -webkit-transform: rotate(45deg);
            transform: rotate(45deg);
  }
  main #corporate_case .corporate_case_list_item + .corporate_case_list_item {
    margin-top: 40px;
  }
  main #corporate_case .corporate_case_list_item_img_inner {
    position: relative;
    width: 100%;
  }
  main #corporate_case .corporate_case_list_item_img_inner::before {
    content: "";
    display: block;
    padding-top: 37vw;
  }
  main #corporate_case .corporate_case_list_item_img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    -o-object-fit: cover;
       object-fit: cover;
  }
  main #corporate_case .corporate_case_list_item_img_txt {
    position: absolute;
    top: 10px;
    left: 20px;
    text-align: left;
    -webkit-writing-mode: vertical-rl;
        -ms-writing-mode: tb-rl;
            writing-mode: vertical-rl;
    background-color: rgba(255, 255, 255, 0.86);
    max-width: 162px;
    width: auto;
    min-height: auto;
    font-size: 16px;
    color: #003149;
    padding: 10px 10px 0px 10px;
    letter-spacing: 0.06em;
    line-height: 120%;
  }
  main #corporate_case .corporate_case_list_item_img_txt.corporate_case_list_item_img_txt01 {
    height: 180px;
  }
  main #corporate_case .corporate_case_list_item_img_txt.corporate_case_list_item_img_txt02 {
    height: 140px;
  }
  main #corporate_case .corporate_case_list_item_img_txt.corporate_case_list_item_img_txt03 {
    height: 195px;
  }
  main #corporate_case .corporate_case_list_item_img_txt.corporate_case_list_item_img_txt04 {
    width: auto;
    height: 210px;
  }
  main #corporate_case .corporate_case_list_item_img_txt.corporate_case_list_item_img_txt05 {
    height: 150px;
  }
  main #corporate_case .corporate_case_list_item_img_txt.corporate_case_list_item_img_txt06 {
    height: 180px;
  }
  main #corporate_case .corporate_case_list_item_img_txt_label {
    background-color: #E6B422;
    font-size: 10px;
    line-height: 100%;
    padding: 4px 3px;
    display: inline-block;
    margin-left: 2px;
  }
  main #corporate_case .corporate_case_list_item_content {
    width: 100%;
    padding: 0 20px 0 20px;
    margin-top: 25px;
  }
  main #corporate_case .corporate_case_list_item_ttl {
    font-size: 16px;
    color: #003149;
    letter-spacing: 0.02em;
    padding-left: 100px;
  }
  main #corporate_case .corporate_case_list_item_parag {
    font-size: 14px;
    color: #003149;
    letter-spacing: 0.02em;
    line-height: 2;
    margin-top: 15px;
  }
  footer {
    margin-top: 0;
  }
}