diff --git a/.github/workflows/ci-cd.yml b/.github/workflows/ci-cd.yml
new file mode 100644
index 0000000..d4911b0
--- /dev/null
+++ b/.github/workflows/ci-cd.yml
@@ -0,0 +1,71 @@
+name: CI/CD
+
+on:
+  push:
+    branches:
+      - "**"
+  pull_request:
+    branches:
+      - "**"
+
+jobs:
+  lint:
+    name: Lint
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: "20"
+      - name: Install dependencies
+        run: |
+          corepack enable
+          corepack prepare pnpm@latest --activate
+          pnpm install
+      - name: Lint
+        run: pnpm run lint
+
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: "20"
+      - name: Install dependencies
+        run: |
+          corepack enable
+          corepack prepare pnpm@latest --activate
+          pnpm install
+      - name: Test
+        run: pnpm run test:coverage
+      - name: Upload coverage report
+        if: success() && always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: coverage-report
+          path: coverage/
+
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    needs: [lint, test]
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: "20"
+      - name: Install dependencies
+        run: |
+          corepack enable
+          corepack prepare pnpm@latest --activate
+          pnpm install
+      - name: Build
+        run: pnpm run build
diff --git a/src/App.tsx b/src/App.tsx
index 98d20ea..84021a7 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -1,11 +1,7 @@
 import { HomePage } from "@/components";
 
 function App() {
-  return (
-    <>
-      <HomePage />
-    </>
-  );
+  return <HomePage />;
 }
 
 export default App;
diff --git a/src/index.css b/src/index.css
index 52a0075..b79dbcd 100644
--- a/src/index.css
+++ b/src/index.css
@@ -7,11 +7,6 @@
   --color-primary-200: #e2e8f0;
   --color-primary-300: #cbd5e0;
   --color-primary-400: #a0aec0;
-  --color-primary-500: #718096;
-  --color-primary-600: #4a5568;
-  --color-primary-700: #2d3748;
-  --color-primary-800: #1a202c;
-  --color-primary-900: #171923;
 
   /* color brand */
   --color-brand-50: #fff5f5;
@@ -22,8 +17,6 @@
   --color-brand-500: #ff6b35;
   --color-brand-600: #e53e3e;
   --color-brand-700: #c53030;
-  --color-brand-800: #9b2c2c;
-  --color-brand-900: #742a2a;
 
   /* color orange */
 
@@ -35,20 +28,11 @@
   --color-orange-500: #ff6b35;
   --color-orange-600: #e53e3e;
   --color-orange-700: #c05621;
-  --color-orange-800: #9c4221;
-  --color-orange-900: #7b341e;
 
   --color-navy-50: #f8fafc;
   --color-navy-100: #f1f5f9;
   --color-navy-200: #e2e8f0;
   --color-navy-300: #cbd5e1;
-  --color-navy-400: #94a3b8;
-  --color-navy-500: #64748b;
-  --color-navy-600: #475569;
-  --color-navy-700: #334155;
-  --color-navy-800: #1e293b;
-  --color-navy-900: #0f172a;
-  --color-navy-950: #020617;
 }
 
 @layer utilities {