diff --git a/.github/workflows/secrets.yml b/.github/workflows/secrets.yml
new file mode 100644
index 0000000..a7818f5
--- /dev/null
+++ b/.github/workflows/secrets.yml
@@ -0,0 +1,10 @@
+name: Secrets
+on: push
+jobs:
+  print:
+    runs-on: ubuntu-latast
+    env:
+      PASSWORD: ${{ secrets.PASSWORD }} # Secrets の参照
+    steps:
+      - run: echo "${PASSWORD}" # ログ出力はマスクされる
+      - run: echo "${PASSWORD:0:1} ${PASSWORD#?}" # ログ出力はマスクされない