diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..7ec9b28
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,33 @@
+name: CI
+on:
+  pull_request:
+    branches: [main]
+
+jobs:
+  ci:
+    name: CI
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      - uses: nixbuild/nix-quick-install-action@v34
+      - uses: nix-community/cache-nix-action@v7
+        with:
+          primary-key: nix-${{ runner.os }}-${{ hashFiles('**/*.nix', '**/flake.lock') }}
+          restore-prefixes-first-match: nix-${{ runner.os }}-
+          gc-max-store-size-linux: 1G
+          purge: true
+          purge-prefixes: nix-${{ runner.os }}-
+          purge-created: 0
+          purge-last-accessed: P1DT12H
+          purge-primary-key: never
+      - name: Install dependencies
+        run: nix develop -c bun install
+
+      - name: Lint code
+        run: nix develop -c bun run lint
+
+      - name: Format code
+        run: nix develop -c bun run format
+
+      - name: Build project
+        run: nix develop -c bun run build
diff --git a/bun.lock b/bun.lock
index 925d676..1eceef5 100644
--- a/bun.lock
+++ b/bun.lock
@@ -21,7 +21,7 @@
         "@unocss/astro": "66.6.7",
         "astro": "^6.1.3",
         "astro-llms-generate": "1.3.3",
-        "hono": "4.12.10",
+        "hono": "catalog:",
         "prettier-plugin-vue": "1.1.6",
         "sharp": "0.34.5",
         "unocss": "66.6.7",
@@ -49,7 +49,7 @@
       "name": "server",
       "dependencies": {
         "@hono/valibot-validator": "0.6.1",
-        "hono": "4.12.10",
+        "hono": "catalog:",
         "mimetext": "3.0.28",
         "ts-ics": "2.4.3",
         "valibot": "1.3.1",
@@ -59,6 +59,9 @@
       },
     },
   },
+  "catalog": {
+    "hono": "4.12.10",
+  },
   "packages": {
     "@antfu/install-pkg": ["@antfu/install-pkg@1.1.0", "", { "dependencies": { "package-manager-detector": "^1.3.0", "tinyexec": "^1.0.1" } }, "sha512-MGQsmw10ZyI+EJo45CdSER4zEb+p31LpDAFp2Z3gkSd1yqVZGi0Ebx++YTEMonJy4oChEMLsxZ64j8FH6sSqtQ=="],
 
diff --git a/client/package.json b/client/package.json
index ef77dfc..306c124 100644
--- a/client/package.json
+++ b/client/package.json
@@ -22,7 +22,7 @@
     "@unocss/astro": "66.6.7",
     "astro": "^6.1.3",
     "astro-llms-generate": "1.3.3",
-    "hono": "4.12.10",
+    "hono": "catalog:",
     "prettier-plugin-vue": "1.1.6",
     "sharp": "0.34.5",
     "unocss": "66.6.7",
diff --git a/client/src/components/breadcrumb.astro b/client/src/components/Breadcrumb.astro
similarity index 100%
rename from client/src/components/breadcrumb.astro
rename to client/src/components/Breadcrumb.astro
diff --git a/client/src/components/CalendarListSkeleton.vue b/client/src/components/CalendarListSkeleton.vue
index 2fbb5f5..9d58576 100644
--- a/client/src/components/CalendarListSkeleton.vue
+++ b/client/src/components/CalendarListSkeleton.vue
@@ -7,7 +7,7 @@ const props = defineProps<{
 
 // 0から7までの配列
 const skeletonItems = Array.from({ length: 8 }, (_, i) => i);
-const exitStates = ref<boolean[]>(new Array(8).fill(false));
+const exitStates = ref<boolean[]>(Array.from({ length: 8 }, () => false));
 const isFullyExited = ref(false);
 
 watch(
diff --git a/client/src/components/footer.astro b/client/src/components/Footer.astro
similarity index 100%
rename from client/src/components/footer.astro
rename to client/src/components/Footer.astro
diff --git a/client/src/components/frame.astro b/client/src/components/Frame.astro
similarity index 100%
rename from client/src/components/frame.astro
rename to client/src/components/Frame.astro
diff --git a/client/src/components/head.astro b/client/src/components/Head.astro
similarity index 100%
rename from client/src/components/head.astro
rename to client/src/components/Head.astro
diff --git a/client/src/components/header.astro b/client/src/components/Header.astro
similarity index 94%
rename from client/src/components/header.astro
rename to client/src/components/Header.astro
index 6ccc469..0c7f6d7 100644
--- a/client/src/components/header.astro
+++ b/client/src/components/Header.astro
@@ -1,5 +1,5 @@
 ---
-import Sidebar from "./sidebar.astro";
+import Sidebar from "./Sidebar.astro";
 import favicon from "../../public/favicon.svg";
 import { Image } from "astro:assets";
 ---
diff --git a/client/src/components/sidebar.astro b/client/src/components/Sidebar.astro
similarity index 100%
rename from client/src/components/sidebar.astro
rename to client/src/components/Sidebar.astro
diff --git a/client/src/layouts/Layout.astro b/client/src/layouts/Layout.astro
index e3f16f5..ae17336 100644
--- a/client/src/layouts/Layout.astro
+++ b/client/src/layouts/Layout.astro
@@ -1,8 +1,8 @@
 ---
-import Footer from "@/components/footer.astro";
-import Head from "@/components/head.astro";
-import Header from "@/components/header.astro";
-import Breadcrumb from "@/components/breadcrumb.astro";
+import Footer from "@/components/Footer.astro";
+import Head from "@/components/Head.astro";
+import Header from "@/components/Header.astro";
+import Breadcrumb from "@/components/Breadcrumb.astro";
 
 import "@/styles/global.css";
 
diff --git a/client/src/pages/access.mdx b/client/src/pages/access.mdx
index 0bfd558..b700db5 100644
--- a/client/src/pages/access.mdx
+++ b/client/src/pages/access.mdx
@@ -4,7 +4,7 @@ title: 稽古場所
 description: 大阪公立大学合氣道部の活動場所について
 ---
 
-import Frame from "../components/frame.astro";
+import Frame from "../components/Frame.astro";
 import { Image } from "astro:assets";
 import multi_use_room from "../assets/CCCB5965-798F-4403-A4D9-60C3B3EA05A9.png";
 
diff --git a/client/src/pages/contact.astro b/client/src/pages/contact.astro
index a2432a7..813a52f 100644
--- a/client/src/pages/contact.astro
+++ b/client/src/pages/contact.astro
@@ -1,5 +1,5 @@
 ---
-import ContactForm from "@/components/contactForm.vue";
+import ContactForm from "@/components/ContactForm.vue";
 import Layout from "@/layouts/Layout.astro";
 ---
 
diff --git a/flake.lock b/flake.lock
index cea29ec..9fbd13c 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1,30 +1,12 @@
 {
   "nodes": {
-    "flake-utils": {
-      "inputs": {
-        "systems": "systems"
-      },
-      "locked": {
-        "lastModified": 1731533236,
-        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1775126147,
-        "narHash": "sha256-J0dZU4atgcfo4QvM9D92uQ0Oe1eLTxBVXjJzdEMQpD0=",
+        "lastModified": 1775403759,
+        "narHash": "sha256-cGyKiTspHEUx3QwAnV3RfyT+VOXhHLs+NEr17HU34Wo=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "8d8c1fa5b412c223ffa47410867813290cdedfef",
+        "rev": "5e11f7acce6c3469bef9df154d78534fa7ae8b6c",
         "type": "github"
       },
       "original": {
@@ -36,24 +18,8 @@
     },
     "root": {
       "inputs": {
-        "flake-utils": "flake-utils",
         "nixpkgs": "nixpkgs"
       }
-    },
-    "systems": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
     }
   },
   "root": "root",
diff --git a/flake.nix b/flake.nix
index 6e0b9c8..3995ae0 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,26 +1,31 @@
 {
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
-    flake-utils.url = "github:numtide/flake-utils";
   };
-  outputs = {
-    nixpkgs,
-    flake-utils,
-    ...
-  }:
-    flake-utils.lib.eachDefaultSystem (
-      system: let
-        pkgs = import nixpkgs {inherit system;};
-      in {
-        devShell = pkgs.mkShell {
-          buildInputs = with pkgs; [
-            bun
-            nodejs-slim_24
-          ];
-          shellWrapper = pkgs.writeShellScript "dev-shell" ''
-            exec ${pkgs.zsh}/bin/zsh \"$@\"
-          '';
-        };
-      }
-    );
-}
\ No newline at end of file
+  outputs = {nixpkgs, ...}: let
+    systems = ["x86_64-linux" "aarch64-darwin"];
+    forAllSystems = nixpkgs.lib.genAttrs systems;
+
+    deps = pkgs:
+      with pkgs; [
+        nodejs-slim_24
+      ];
+
+    devDeps = pkgs:
+      with pkgs; [
+        bun
+      ];
+  in {
+    devShells = forAllSystems (system: let
+      pkgs = import nixpkgs {inherit system;};
+    in {
+      default = pkgs.mkShell {
+        buildInputs = (deps pkgs) ++ (devDeps pkgs);
+
+        shellHook = ''
+          export NODE_ENV=development
+        '';
+      };
+    });
+  };
+}
diff --git a/package.json b/package.json
index e2d8e9d..ad0a393 100644
--- a/package.json
+++ b/package.json
@@ -1,9 +1,14 @@
 {
   "name": "page",
-  "workspaces": [
-    "client",
-    "worker"
-  ],
+  "workspaces": {
+    "packages": [
+      "client",
+      "worker"
+    ],
+    "catalog": {
+      "hono": "4.12.10"
+    }
+  },
   "scripts": {
     "build": "bunx turbo build",
     "dev": "bunx turbo dev",
@@ -11,7 +16,7 @@
     "format": "bunx turbo format",
     "lint": "bunx turbo lint",
     "outdated": "bunx turbo outdated",
-    "cf-typegen":"wrangler types ./client/worker-configuration.d.ts"
+    "cf-typegen": "wrangler types ./client/worker-configuration.d.ts"
   },
   "devDependencies": {
     "oxfmt": "latest",
diff --git a/worker/package.json b/worker/package.json
index a1d1fff..a42aee8 100644
--- a/worker/package.json
+++ b/worker/package.json
@@ -12,7 +12,7 @@
   },
   "dependencies": {
     "@hono/valibot-validator": "0.6.1",
-    "hono": "4.12.10",
+    "hono": "catalog:",
     "mimetext": "3.0.28",
     "ts-ics": "2.4.3",
     "valibot": "1.3.1"