diff --git a/locales/en-US.yml b/locales/en-US.yml
index febcd2cf2..45a6564ab 100644
--- a/locales/en-US.yml
+++ b/locales/en-US.yml
@@ -769,9 +769,16 @@ desktop/views/components/settings.vue:
   show-local-renotes: "Show renoted local posts in timelines"
   show-maps: "Display a map to show the location"
   remain-deleted-note: "Continue to show deleted posts"
-  deck-column-align: "Deck column alignment"
+  deck-column-align: "デッキのカラムの配置"
   deck-column-align-center: "Center"
   deck-column-align-left: "Left"
+  deck-column-align-flexible: "フレキシブル"
+  deck-column-width: "デッキのカラムの幅"
+  deck-column-width-narrow: "狭"
+  deck-column-width-narrower: "やや狭"
+  deck-column-width-normal: "普通"
+  deck-column-width-wider: "やや広"
+  deck-column-width-wide: "広"
   sound: "Sound"
   enable-sounds: "Enable sound"
   enable-sounds-desc: "Play a sound when you receive a post/message. This setting is stored in the browser."