Array
(
    [0] => WP_Term Object
        (
            [term_id] => 74
            [name] => その他
            [slug] => cs_language_other
            [term_group] => 0
            [term_taxonomy_id] => 78
            [taxonomy] => casestudy-category
            [description] => 11_01
            [parent] => 54
            [count] => 4
            [filter] => raw
        )

    [1] => WP_Term Object
        (
            [term_id] => 54
            [name] => 語学
            [slug] => cs_language
            [term_group] => 0
            [term_taxonomy_id] => 58
            [taxonomy] => casestudy-category
            [description] => 11_00
            [parent] => 0
            [count] => 6
            [filter] => raw
        )

)