diff --git a/src/styles/colors-v2.scss b/src/styles/colors-v2.scss
index b30474f8a0..92ebaa73d7 100644
--- a/src/styles/colors-v2.scss
+++ b/src/styles/colors-v2.scss
@@ -1,3 +1,6 @@
+// 新デザインで使用する色変数の定義
+// 詳細: https://github.com/VOICEVOX/voicevox_project/issues/40
+
 // 基本色
 $primitive-black: #242626;
 $primitive-white: #ffffff;