query getContents($language_code: String) {
  contents(pagination: { limit: -1 }) {
    data {
      id
      attributes {
        slug
        translations {
          pre_title
          title
          subtitle
        }
        categories {
          data {
            id
            attributes {
              name
              short
            }
          }
        }
        type {
          data {
            attributes {
              slug
              titles(filters: { language: { code: { eq: $language_code } } }) {
                title
              }
            }
          }
        }
        ranged_contents {
          data {
            id
            attributes {
              slug
              scan_set {
                id
              }
              library_item {
                data {
                  attributes {
                    slug
                    title
                    subtitle
                    thumbnail {
                      data {
                        attributes {
                          ...uploadImage
                        }
                      }
                    }
                  }
                }
              }
            }
          }
        }
        group {
          data {
            attributes {
              combine
              contents {
                data {
                  id
                }
              }
            }
          }
        }
        thumbnail {
          data {
            attributes {
              ...uploadImage
            }
          }
        }
      }
    }
  }
}