diff --git a/config/locales/crowdin/ja.yml b/config/locales/crowdin/ja.yml
index 2109b077be..9058c37c1b 100644
--- a/config/locales/crowdin/ja.yml
+++ b/config/locales/crowdin/ja.yml
@@ -82,46 +82,46 @@ ja:
   caption_show_locked: "ロックの種類を表示します。"
   cost_objects_title: "予算"
   label_cost_type_plural: "コスト種類"
-  currency_delimiter: ","
-  currency_separator: "."
-  description_date_for_new_rate: "Date for new rate"
+  currency_delimiter: "、"
+  currency_separator: "。"
+  description_date_for_new_rate: "新しいレートの日付"
   events:
-    cost_object: "Budget edited"
-  group_by_others: "not in any group"
-  help_click_to_edit: "Click here to edit."
+    cost_object: "予算の編集"
+  group_by_others: "どのグループにもない"
+  help_click_to_edit: "編集するにはここをクリックしてください。"
   help_currency_format: "Format of displayed currency values. %n is replaced with the currency value, %u ist replaced with the currency unit."
-  help_override_rate: "Enter a value here to override the default rate."
-  label_between: "between"
-  label_cost_filter_add: "Add cost entry filter"
-  label_costlog: "Logged unit costs"
+  help_override_rate: "デフォルトレートを上書きするにはここに値を入力します。"
+  label_between: "次の範囲内"
+  label_cost_filter_add: "コストフィルタの追加"
+  label_costlog: "単価を記録"
   label_cost_object: "予算"
-  label_cost_object_id: "Budget #%{id}"
-  label_cost_object_new: "New budget"
+  label_cost_object_id: "予算 #%{id}"
+  label_cost_object_new: "新しい予算"
   label_cost_object_plural: "予算"
   label_cost_plural: "コスト"
-  label_cost_report: "Cost report"
-  label_cost_type_specific: "Budget #%{id}: %{name}"
-  label_costs_per_page: "Costs per page"
-  label_currency: "Currency"
-  label_currency_format: "Format of currency"
-  label_current_default_rate: "Current default rate"
-  label_date_on: "on"
-  label_deleted_cost_types: "Deleted cost types"
+  label_cost_report: "コストレポート"
+  label_cost_type_specific: "予算 #%{id}: %{name}"
+  label_costs_per_page: "1ページあたりのコスト"
+  label_currency: "通貨"
+  label_currency_format: "通貨の形式"
+  label_current_default_rate: "現在のデフォルトレート"
+  label_date_on: "オン"
+  label_deleted_cost_types: "削除されたコストタイプ"
   label_locked_cost_types: "ロックされたコストタイプ"
   label_deliverable: "予算"
-  label_display_cost_entries: "Display unit costs"
-  label_display_time_entries: "Display reported hours"
-  label_display_types: "Display types"
-  label_edit: "Edit"
-  label_fixed_cost_object: "Fixed budget"
+  label_display_cost_entries: "ユニットのコストを表示"
+  label_display_time_entries: "報告された時間を表示する"
+  label_display_types: "表示タイプ"
+  label_edit: "編集"
+  label_fixed_cost_object: "固定予算"
   label_fixed_date: "固定日付"
-  label_generic_user: "Generic user"
+  label_generic_user: "一般ユーザー"
   label_greater_or_equal: ">="
   label_group_by: "グループ化"
-  label_group_by_add: "Add grouping field"
-  label_hourly_rate: "Hourly rate"
-  label_include_deleted: "Include deleted"
-  label_work_package_filter_add: "Add work package filter"
+  label_group_by_add: "グループ化フィールドを追加"
+  label_hourly_rate: "時給"
+  label_include_deleted: "削除済みを含める"
+  label_work_package_filter_add: "作業項目フィルタを追加する"
   label_kind: "種別"
   label_less_or_equal: "<="
   label_log_costs: "単価を記録"
@@ -130,7 +130,7 @@ ja:
   label_overall_costs: "集計コスト"
   label_rate: "原価率"
   label_rate_plural: "Rates"
-  label_status_finished: "Finished"
+  label_status_finished: "完了しました"
   label_units: "単価"
   label_user: "ユーザ"
   label_until: "まで"
@@ -160,10 +160,10 @@ ja:
   permission_view_own_hourly_rate: "自分の時給の表示"
   permission_view_own_time_entries: "自分の使用済み時間の表示"
   project_module_costs_module: "コスト・コントロール"
-  text_assign_time_and_cost_entries_to_project: "Assign reported hours and costs to the project"
-  text_cost_object_change_type_confirmation: "Are you sure? This operation will destroy information of the specific budget type."
+  text_assign_time_and_cost_entries_to_project: "報告された時間とコストをプロジェクトに割り当てる"
+  text_cost_object_change_type_confirmation: "確かですか？この操作により、特定の予算タイプの情報が破棄されます。"
   text_destroy_cost_entries_question: "%{cost_entries} were reported on the work packages you are about to delete. What do you want to do ?"
-  text_destroy_time_and_cost_entries: "Delete reported hours and costs"
+  text_destroy_time_and_cost_entries: "報告された時間とコストを削除する"
   text_destroy_time_and_cost_entries_question: "%{hours} hours, %{cost_entries} were reported on the work packages you are about to delete. What do you want to do ?"
   text_reassign_time_and_cost_entries: "報告された時間とコストをこの作業項目に再割り当てください。"
   text_warning_hidden_elements: "いくつかのエントリは、集計から除外されている可能性があります。"