diff --git a/project.yml b/project.yml
new file mode 100644
index 0000000..53846b9
--- /dev/null
+++ b/project.yml
@@ -0,0 +1,61 @@
+name: Photochk
+
+options:
+  bundleIdPrefix: com.fujisaki
+  deploymentTarget:
+    macOS: "15.0"
+  createIntermediateGroups: true
+
+settings:
+  base:
+    SWIFT_VERSION: "6.0"
+    SWIFT_STRICT_CONCURRENCY: complete
+    MARKETING_VERSION: "1.0"
+    CURRENT_PROJECT_VERSION: "1"
+    CODE_SIGN_STYLE: Manual
+    CODE_SIGN_IDENTITY: "-"
+    DEVELOPMENT_TEAM: ""
+    ENABLE_HARDENED_RUNTIME: NO
+
+targets:
+  Photochk:
+    type: application
+    platform: macOS
+    sources:
+      - path: Sources/Photochk
+    settings:
+      base:
+        PRODUCT_BUNDLE_IDENTIFIER: com.fujisaki.Photochk
+        PRODUCT_NAME: Photochk
+        INFOPLIST_FILE: Sources/Photochk/Info.plist
+        CODE_SIGN_ENTITLEMENTS: Sources/Photochk/Photochk.entitlements
+        ASSETCATALOG_COMPILER_APPICON_NAME: AppIcon
+        COMBINE_HIDPI_IMAGES: YES
+      configs:
+        Release:
+          # デバッガ接続を許す get-task-allow が Release に混ざらないようにする
+          CODE_SIGN_INJECT_BASE_ENTITLEMENTS: NO
+
+  PhotochkTests:
+    type: bundle.unit-test
+    platform: macOS
+    sources:
+      - path: Tests/PhotochkTests
+    dependencies:
+      - target: Photochk
+    settings:
+      base:
+        PRODUCT_BUNDLE_IDENTIFIER: com.fujisaki.PhotochkTests
+        GENERATE_INFOPLIST_FILE: YES
+
+schemes:
+  Photochk:
+    build:
+      targets:
+        Photochk: all
+    run:
+      config: Debug
+    test:
+      config: Debug
+      targets:
+        - PhotochkTests