diff --git a/src/languages/ja.js b/src/languages/ja.js
index 171c3d12b..a96e869f9 100644
--- a/src/languages/ja.js
+++ b/src/languages/ja.js
@@ -16,93 +16,93 @@ export default {
     resoverserverDescription: "Cloudflareがデフォルトのサーバーですが、いつでもリゾルバサーバーを変更できます。",
     rrtypeDescription: "監視するRRタイプを選択します",
     pauseMonitorMsg: "一時停止しますか？",
-    Settings: "Settings",
-    Dashboard: "Dashboard",
+    Settings: "設定",
+    Dashboard: "ダッシュボード",
     "New Update": "New Update",
-    Language: "Language",
-    Appearance: "Appearance",
-    Theme: "Theme",
+    Language: "言語",
+    Appearance: "外観",
+    Theme: "テーマ",
     General: "General",
-    Version: "Version",
-    "Check Update On GitHub": "Check Update On GitHub",
-    List: "List",
-    Add: "Add",
-    "Add New Monitor": "Add New Monitor",
-    "Quick Stats": "Quick Stats",
+    Version: "バージョン",
+    "Check Update On GitHub": "GitHubでアップデートを確認する",
+    List: "一覧",
+    Add: "追加",
+    "Add New Monitor": "監視の追加",
+    "Quick Stats": "統計",
     Up: "Up",
     Down: "Down",
-    Pending: "Pending",
-    Unknown: "Unknown",
-    Pause: "Pause",
-    Name: "Name",
-    Status: "Status",
-    DateTime: "DateTime",
-    Message: "Message",
-    "No important events": "No important events",
-    Resume: "Resume",
-    Edit: "Edit",
-    Delete: "Delete",
-    Current: "Current",
-    Uptime: "Uptime",
-    "Cert Exp.": "Cert Exp.",
-    days: "days",
-    day: "day",
-    "-day": "-day",
-    hour: "hour",
-    "-hour": "-hour",
-    Response: "Response",
+    Pending: "中止",
+    Unknown: "不明",
+    Pause: "一時停止",
+    Name: "名前",
+    Status: "ステータス",
+    DateTime: "日時",
+    Message: "メッセージ",
+    "No important events": "重要なイベントなし",
+    Resume: "再開",
+    Edit: "編集",
+    Delete: "削除",
+    Current: "現在",
+    Uptime: "起動時間",
+    "Cert Exp.": "証明書有効期限",
+    days: "日間",
+    day: "日",
+    "-day": "-日",
+    hour: "時間",
+    "-hour": "-時間",
+    Response: "レスポンス",
     Ping: "Ping",
-    "Monitor Type": "Monitor Type",
-    Keyword: "Keyword",
+    "Monitor Type": "監視タイプ",
+    Keyword: "キーワード",
     "Friendly Name": "Friendly Name",
     URL: "URL",
-    Hostname: "Hostname",
-    Port: "Port",
-    "Heartbeat Interval": "Heartbeat Interval",
+    Hostname: "ホスト名",
+    Port: "ポート",
+    "Heartbeat Interval": "監視間隔",
     Retries: "Retries",
     Advanced: "Advanced",
     "Upside Down Mode": "Upside Down Mode",
-    "Max. Redirects": "Max. Redirects",
-    "Accepted Status Codes": "Accepted Status Codes",
-    Save: "Save",
-    Notifications: "Notifications",
-    "Not available, please setup.": "Not available, please setup.",
-    "Setup Notification": "Setup Notification",
+    "Max. Redirects": "最大リダイレクト数",
+    "Accepted Status Codes": "承認されたステータスコード",
+    Save: "保存",
+    Notifications: "通知",
+    "Not available, please setup.": "利用できません。設定してください。",
+    "Setup Notification": "通知設定",
     Light: "Light",
     Dark: "Dark",
     Auto: "Auto",
     "Theme - Heartbeat Bar": "Theme - Heartbeat Bar",
-    Normal: "Normal",
-    Bottom: "Bottom",
-    None: "None",
-    Timezone: "Timezone",
-    "Search Engine Visibility": "Search Engine Visibility",
-    "Allow indexing": "Allow indexing",
-    "Discourage search engines from indexing site": "Discourage search engines from indexing site",
-    "Change Password": "Change Password",
-    "Current Password": "Current Password",
-    "New Password": "New Password",
-    "Repeat New Password": "Repeat New Password",
-    "Update Password": "Update Password",
-    "Disable Auth": "Disable Auth",
-    "Enable Auth": "Enable Auth",
-    Logout: "Logout",
-    Leave: "Leave",
-    "I understand, please disable": "I understand, please disable",
-    Confirm: "Confirm",
-    Yes: "Yes",
-    No: "No",
-    Username: "Username",
-    Password: "Password",
-    "Remember me": "Remember me",
-    Login: "Login",
-    "No Monitors, please": "No Monitors, please",
+    Normal: "通常",
+    Bottom: "下部",
+    None: "なし",
+    Timezone: "タイムゾーン",
+    "Search Engine Visibility": "検索エンジンでの表示",
+    "Allow indexing": "インデックス作成を許可する",
+    "Discourage search engines from indexing site": "検索エンジンにインデックスさせないようにする",
+    "Change Password": "パスワード変更",
+    "Current Password": "現在のパスワード",
+    "New Password": "新しいパスワード",
+    "Repeat New Password": "確認のため新しいパスワードをもう一度",
+    "Update Password": "パスワードの更新",
+    "Disable Auth": "認証の無効化",
+    "Enable Auth": "認証の有効化",
+    Logout: "ログアウト",
+    Leave: "作業を中止する",
+    "I understand, please disable": "理解した上で無効化する",
+    Confirm: "確認",
+    Yes: "はい",
+    No: "いいえ",
+    Username: "ユーザー名",
+    Password: "パスワード",
+    "Remember me": "パスワードを忘れた場合",
+    Login: "ログイン",
+    "No Monitors, please": "監視がありません",
     "add one": "add one",
-    "Notification Type": "Notification Type",
-    Email: "Email",
-    Test: "Test",
-    "Certificate Info": "Certificate Info",
-    "Resolver Server": "Resolver Server",
-    "Resource Record Type": "Resource Record Type",
-    "Last Result": "Last Result"
+    "Notification Type": "通知タイプ",
+    Email: "Eメール",
+    Test: "テスト",
+    "Certificate Info": "証明書情報",
+    "Resolver Server": "問い合わせ先DNSサーバ",
+    "Resource Record Type": "DNSレコード設定",
+    "Last Result": "最終結果"
 }