diff --git a/.gitignore b/.gitignore
index a30c201..79c113f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,44 +1,45 @@
-# === Flutter / Dart ===
-.dart_tool/
-.packages
-.pub-cache/
-.pub/
-build/
+# Miscellaneous
+*.class
+*.log
+*.pyc
+*.swp
+.DS_Store
+.atom/
+.build/
+.buildlog/
+.history
+.svn/
+.swiftpm/
+migrate_working_dir/
 
-# Flutter generated
+# IntelliJ related
+*.iml
+*.ipr
+*.iws
+.idea/
+
+# The .vscode folder contains launch configuration and tasks you configure in
+# VS Code which you may wish to be included in version control, so this line
+# is commented out by default.
+#.vscode/
+
+# Flutter/Dart/Pub related
+**/doc/api/
+**/ios/Flutter/.last_build_id
+.dart_tool/
 .flutter-plugins
 .flutter-plugins-dependencies
+.pub-cache/
+.pub/
+/build/
 
-# === iOS ===
-ios/Pods/
-ios/.symlinks/
-ios/Flutter/Flutter.framework
-ios/Flutter/App.framework
-ios/Flutter/Generated.xcconfig
-ios/Flutter/flutter_export_environment.sh
-ios/Flutter/ephemeral/
+# Symbolication related
+app.*.symbols
 
-# Xcode user files
-ios/**/*.xcuserstate
-ios/**/*.xcuserdata/
+# Obfuscation related
+app.*.map.json
 
-# === Android ===
-android/.gradle/
-android/local.properties
-android/**/build/
-
-# Keystore (絶対に入れない)
-*.keystore
-*.jks
-
-# === IDE ===
-.idea/
-.vscode/
-*.iml
-
-# === OS ===
-.DS_Store
-Thumbs.db
-
-# === Logs ===
-*.log
+# Android Studio will place build artifacts here
+/android/app/debug
+/android/app/profile
+/android/app/release