diff --git a/.claude/settings.json b/.claude/settings.json
deleted file mode 100644
index 36286688..00000000
--- a/.claude/settings.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
- "enabledPlugins": {
- "frontend-design@claude-code-plugins": true
- }
-}
diff --git a/.gitignore b/.gitignore
index 08ff7c95..72cf4050 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,5 @@
.DS_Store
.idea
Thumbs.db
-package-lock.json
node_modules
-dist
.astro
\ No newline at end of file
diff --git a/README.md b/README.md
index aade199d..042d8a49 100644
--- a/README.md
+++ b/README.md
@@ -2,25 +2,44 @@
## What is Next2D Project
+### 日本語
+Next2Dプロジェクトは、WebGL/WebGPU 2Dレンダリングエンジン、アニメーション作成ツール、およびチーム開発を支援するフレームワークを提供します。 \
+
+### English
Next2D project provides a WebGL/WebGPU 2D rendering engine, animation tools for creating animations, and a framework to support team development. \
[Next2D WebSite](https://next2d.app)
-### Next2D Player
+## Player
+### 日本語
+ベクター描画、Tweenアニメーション、テキスト、音声、動画など、さまざまな要素をサポートしているので、ゲーム制作、インタラクティブなデータビジュアライゼーション、クリエイティブなウェブアプリケーションなど、豊かな表現が必要とされるプロジェクトで活用が期待できます。 \
+
+### English
With support for vector drawing, tween animation, text, audio, video, and many other elements, it can be used for game production, interactive data visualization, creative web applications, and other projects requiring rich expression. The software is expected to be used in game production, interactive data visualization, creative web applications and other projects requiring rich expression. \
-[Player Features](https://next2d.app/#player)
-### Next2D Animation Tool
+### [Player Features](https://next2d.app/en/#player)
+
+## Animation Tool
+### 日本語
+Webブラウザ上で動作するアニメーション制作ツールで、直感的なインターフェースと豊富な機能を備えており、どなたでも簡単に扱う事ができます。テキスト、画像、音声、ビデオなど、さまざまなメディア形式を組み合わせて、高品質で魅力的なコンテンツを作成する事が可能です。 \
+
+### English
It is an animation creation tool that runs in a web browser and has an intuitive interface and rich functionality, making it easy for anyone to use. It allows users to create high-quality, engaging content by combining a variety of media formats, including text, images, audio, and video. \
-[Animation Tool Features](https://next2d.app/#tool)
-### Next2D Framework
+### [Animation Tool Features](https://next2d.app/en/#tool)
+
+## Framework
-The UI is designed to be efficient and easy to maintain by using atomic design, subdividing components, and designing reusable modules. Atomic design is recommended for UI construction, and the segmentation of components, reusable module design, and other features enable efficient UI construction and maintenance. \
-[Framework Features](https://next2d.app/#framework)
+### 日本語
+従来のCanvas/WebGL/WebGPUアプリケーションでは困難だったURLによるシーン管理(SPA)を可能にし、シーン毎のUI開発・画面確認が可能になりました。UI構築にはアトミックデザインを推奨しており、コンポーネントの細分化、再利用可能なモジュール設計など、効率的なUI構築と保守が可能となっています。 \
+
+### English
+URL-based scene management (SPA) is now possible, which was difficult with traditional Canvas/WebGL/WebGPU applications, enabling UI development and screen verification for each scene. Atomic Design is recommended for UI construction, allowing efficient UI building and maintenance through component granularity and reusable module design. \
+
+### [Framework Features](https://next2d.app/en/#framework)
If you find the Next2D tools and libraries useful, we would be happy to have you support the Next2D project.
\ No newline at end of file
diff --git a/docs/_headers b/docs/_headers
new file mode 100644
index 00000000..2418f754
--- /dev/null
+++ b/docs/_headers
@@ -0,0 +1,9 @@
+/*
+ X-Content-Type-Options: nosniff
+ X-Frame-Options: SAMEORIGIN
+ X-XSS-Protection: 1; mode=block
+ Referrer-Policy: strict-origin-when-cross-origin
+ Permissions-Policy: geolocation=(), microphone=(), camera=()
+
+/assets/*
+ Cache-Control: public, max-age=31536000, immutable
diff --git a/docs/cn/casestudy/slimetenpuzzle/index.html b/docs/cn/casestudy/slimetenpuzzle/index.html
index fbb41e5a..87ba308f 100644
--- a/docs/cn/casestudy/slimetenpuzzle/index.html
+++ b/docs/cn/casestudy/slimetenpuzzle/index.html
@@ -1,8 +1,8 @@
-
视频目前正在制作中。