diff --git a/.eslintrc.js b/.eslintrc.js
index 315b9d6..9c54f9b 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -19,10 +19,12 @@ module.exports = {
         parser: '@typescript-eslint/parser',
         sourceType: 'module',
     },
-    plugins: ['prettier', 'vue', '@typescript-eslint'],
+    plugins: ['prettier', 'vue', '@typescript-eslint', 'jquery'],
     rules: {
         '@typescript-eslint/explicit-module-boundary-types': 0,
         '@typescript-eslint/no-explicit-any': 0,
         '@typescript-eslint/no-unused-vars': ['warn', { argsIgnorePattern: '^_' }],
+        'jquery/no-ajax': 2,
+        'jquery/no-ajax-events': 2,
     },
 };
diff --git a/package.json b/package.json
index 9f6056f..ccaf01b 100644
--- a/package.json
+++ b/package.json
@@ -17,6 +17,7 @@
     "@types/chart.js": "^2.9.22",
     "@types/jquery": "^3.3.38",
     "@types/js-cookie": "^2.2.0",
+    "@types/qs": "^6.9.4",
     "@typescript-eslint/eslint-plugin": "^3.1.0",
     "@typescript-eslint/parser": "^3.1.0",
     "bootstrap": "^4.5.0",
@@ -26,6 +27,7 @@
     "date-fns": "^1.30.1",
     "eslint": "^7.2.0",
     "eslint-config-prettier": "^6.11.0",
+    "eslint-plugin-jquery": "^1.5.1",
     "eslint-plugin-prettier": "^3.1.4",
     "eslint-plugin-vue": "^6.2.2",
     "husky": "^1.3.1",
@@ -37,6 +39,7 @@
     "open-iconic": "^1.1.1",
     "popper.js": "^1.14.7",
     "prettier": "^2.0.5",
+    "qs": "^6.9.4",
     "resolve-url-loader": "^3.1.1",
     "sass": "^1.26.8",
     "sass-loader": "^7.1.0",
@@ -62,7 +65,7 @@
       "stylelint --fix",
       "git add"
     ],
-    "*.{ts,js,vue}" : [
+    "*.{ts,js,vue}": [
       "eslint --fix",
       "git add"
     ],
diff --git a/resources/assets/js/app.ts b/resources/assets/js/app.ts
index 7267f57..1196678 100644
--- a/resources/assets/js/app.ts
+++ b/resources/assets/js/app.ts
@@ -1,5 +1,5 @@
 import * as Cookies from 'js-cookie';
-import jqXHR = JQuery.jqXHR;
+import { fetchPostJson, fetchDeleteJson, ResponseError } from './fetch';
 
 require('./bootstrap');
 
@@ -41,57 +41,46 @@ $(() => {
         const isLiked = $this.data('liked');
 
         if (isLiked) {
-            const callback = (data: any) => {
-                $this.data('liked', false);
-                $this.find('.oi-heart').removeClass('text-danger');
-
-                const count = data.ejaculation ? data.ejaculation.likes_count : 0;
-                $this.find('.like-count').text(count ? count : '');
-            };
-
-            $.ajax({
-                url: '/api/likes/' + encodeURIComponent(targetId),
-                method: 'delete',
-                type: 'json',
-            })
-                .then(callback)
-                .catch(function (xhr: jqXHR) {
-                    if (xhr.status === 404) {
-                        callback(JSON.parse(xhr.responseText));
-                        return;
+            fetchDeleteJson(`/api/likes/${encodeURIComponent(targetId)}`)
+                .then((response) => {
+                    if (response.status === 200 || response.status === 404) {
+                        return response.json();
                     }
+                    throw new ResponseError(response);
+                })
+                .then((data) => {
+                    $this.data('liked', false);
+                    $this.find('.oi-heart').removeClass('text-danger');
 
-                    console.error(xhr);
+                    const count = data.ejaculation ? data.ejaculation.likes_count : 0;
+                    $this.find('.like-count').text(count ? count : '');
+                })
+                .catch((e) => {
+                    console.error(e);
                     alert('いいねを解除できませんでした。');
                 });
         } else {
-            const callback = (data: any) => {
-                $this.data('liked', true);
-                $this.find('.oi-heart').addClass('text-danger');
+            fetchPostJson('/api/likes', { id: targetId })
+                .then((response) => {
+                    if (response.status === 200 || response.status === 409) {
+                        return response.json();
+                    }
+                    throw new ResponseError(response);
+                })
+                .then((data) => {
+                    $this.data('liked', true);
+                    $this.find('.oi-heart').addClass('text-danger');
 
-                const count = data.ejaculation ? data.ejaculation.likes_count : 0;
-                $this.find('.like-count').text(count ? count : '');
-            };
-
-            $.ajax({
-                url: '/api/likes',
-                method: 'post',
-                type: 'json',
-                data: {
-                    id: targetId,
-                },
-            })
-                .then(callback)
-                .catch(function (xhr: jqXHR) {
-                    if (xhr.status === 409) {
-                        callback(JSON.parse(xhr.responseText));
-                        return;
-                    } else if (xhr.status === 401) {
+                    const count = data.ejaculation ? data.ejaculation.likes_count : 0;
+                    $this.find('.like-count').text(count ? count : '');
+                })
+                .catch((e) => {
+                    if (e instanceof ResponseError && e.response.status === 401) {
                         alert('いいねするためにはログインしてください。');
                         return;
                     }
 
-                    console.error(xhr);
+                    console.error(e);
                     alert('いいねできませんでした。');
                 });
         }
diff --git a/resources/assets/js/bootstrap.ts b/resources/assets/js/bootstrap.ts
index 99d9e9b..fbfc914 100644
--- a/resources/assets/js/bootstrap.ts
+++ b/resources/assets/js/bootstrap.ts
@@ -1,17 +1,5 @@
 // jQuery
 import './tissue';
 
-// Setup global request header
-const token = document.head.querySelector<HTMLMetaElement>('meta[name="csrf-token"]');
-if (!token) {
-    console.error('CSRF token not found: https://laravel.com/docs/csrf#csrf-x-csrf-token');
-} else {
-    $.ajaxSetup({
-        headers: {
-            'X-CSRF-TOKEN': token.content,
-        },
-    });
-}
-
 // Bootstrap
 import 'bootstrap';
diff --git a/resources/assets/js/checkin.ts b/resources/assets/js/checkin.ts
index 7902965..4a1bf50 100644
--- a/resources/assets/js/checkin.ts
+++ b/resources/assets/js/checkin.ts
@@ -1,6 +1,7 @@
 import Vue from 'vue';
 import TagInput from './components/TagInput.vue';
 import MetadataPreview from './components/MetadataPreview.vue';
+import { fetchGet, ResponseError } from './fetch';
 
 export const bus = new Vue({ name: 'EventBus' });
 
@@ -47,19 +48,18 @@ new Vue({
         fetchMetadata(url: string) {
             this.metadataLoadState = MetadataLoadState.Loading;
 
-            $.ajax({
-                url: '/api/checkin/card',
-                method: 'get',
-                type: 'json',
-                data: {
-                    url,
-                },
-            })
+            fetchGet('/api/checkin/card', { url })
+                .then((response) => {
+                    if (!response.ok) {
+                        throw new ResponseError(response);
+                    }
+                    return response.json();
+                })
                 .then((data) => {
                     this.metadata = data;
                     this.metadataLoadState = MetadataLoadState.Success;
                 })
-                .catch((_e) => {
+                .catch(() => {
                     this.metadata = null;
                     this.metadataLoadState = MetadataLoadState.Failed;
                 });
diff --git a/resources/assets/js/fetch.ts b/resources/assets/js/fetch.ts
new file mode 100644
index 0000000..01e1431
--- /dev/null
+++ b/resources/assets/js/fetch.ts
@@ -0,0 +1,71 @@
+import { stringify } from 'qs';
+
+const token = document.head.querySelector<HTMLMetaElement>('meta[name="csrf-token"]');
+if (!token) {
+    console.error('CSRF token not found');
+}
+
+const headers = {
+    'X-CSRF-TOKEN': token?.content ?? '',
+};
+
+type QueryParams = { [key: string]: string };
+
+const joinParamsToPath = (path: string, params: QueryParams) =>
+    Object.keys(params).length === 0 ? path : `${path}?${stringify(params)}`;
+
+const fetchWrapper = (path: string, options: RequestInit = {}) =>
+    fetch(path, {
+        credentials: 'same-origin',
+        ...options,
+        headers: { ...headers, ...options.headers },
+    });
+
+const fetchWithJson = (path: string, body?: any, options: RequestInit = {}) =>
+    fetchWrapper(path, {
+        ...options,
+        body: body && JSON.stringify(body),
+        headers: { 'Content-Type': 'application/json', ...options.headers },
+    });
+
+const fetchWithForm = (path: string, body?: any, options: RequestInit = {}) =>
+    fetchWrapper(path, {
+        ...options,
+        body: body && stringify(body),
+        headers: { 'Content-Type': 'application/x-www-form-urlencoded', ...options.headers },
+    });
+
+export const fetchGet = (path: string, params: QueryParams = {}, options: RequestInit = {}) =>
+    fetchWrapper(joinParamsToPath(path, params), { method: 'GET', ...options });
+
+export const fetchPostJson = (path: string, body?: any, options: RequestInit = {}) =>
+    fetchWithJson(path, body, { method: 'POST', ...options });
+
+export const fetchPostForm = (path: string, body?: any, options: RequestInit = {}) =>
+    fetchWithForm(path, body, { method: 'POST', ...options });
+
+export const fetchPutJson = (path: string, body?: any, options: RequestInit = {}) =>
+    fetchWithJson(path, body, { method: 'PUT', ...options });
+
+export const fetchPutForm = (path: string, body?: any, options: RequestInit = {}) =>
+    fetchWithForm(path, body, { method: 'PUT', ...options });
+
+export const fetchDeleteJson = (path: string, body?: any, options: RequestInit = {}) =>
+    fetchWithJson(path, body, { method: 'DELETE', ...options });
+
+export const fetchDeleteForm = (path: string, body?: any, options: RequestInit = {}) =>
+    fetchWithForm(path, body, { method: 'DELETE', ...options });
+
+export class ResponseError extends Error {
+    response: Response;
+
+    constructor(response: Response, ...rest: any) {
+        super(...rest);
+        if (Error.captureStackTrace) {
+            Error.captureStackTrace(this, ResponseError);
+        }
+
+        this.name = 'ResponseError';
+        this.response = response;
+    }
+}
diff --git a/resources/assets/js/tissue.ts b/resources/assets/js/tissue.ts
index 1b7fe32..e059c75 100644
--- a/resources/assets/js/tissue.ts
+++ b/resources/assets/js/tissue.ts
@@ -1,3 +1,5 @@
+import { fetchGet } from './fetch';
+
 (function ($) {
     $.fn.linkCard = function (options) {
         const settings = $.extend(
@@ -9,43 +11,44 @@
 
         return this.each(function () {
             const $this = $(this);
-            $.ajax({
-                url: settings.endpoint,
-                method: 'get',
-                type: 'json',
-                data: {
-                    url: $this.find('a').attr('href'),
-                },
-            }).then(function (data) {
-                const $metaColumn = $this.find('.col-12:last-of-type');
-                const $imageColumn = $this.find('.col-12:first-of-type');
-                const $title = $this.find('.card-title');
-                const $desc = $this.find('.card-text');
-                const $image = $imageColumn.find('img');
 
-                if (data.title === '') {
-                    $title.hide();
-                } else {
-                    $title.text(data.title);
-                }
+            const url = $this.find('a').attr('href');
+            if (!url) {
+                return;
+            }
 
-                if (data.description === '') {
-                    $desc.hide();
-                } else {
-                    $desc.text(data.description);
-                }
+            fetchGet(settings.endpoint, { url })
+                .then((response) => response.json())
+                .then((data) => {
+                    const $metaColumn = $this.find('.col-12:last-of-type');
+                    const $imageColumn = $this.find('.col-12:first-of-type');
+                    const $title = $this.find('.card-title');
+                    const $desc = $this.find('.card-text');
+                    const $image = $imageColumn.find('img');
 
-                if (data.image === '') {
-                    $imageColumn.hide();
-                    $metaColumn.removeClass('col-md-6');
-                } else {
-                    $image.attr('src', data.image);
-                }
+                    if (data.title === '') {
+                        $title.hide();
+                    } else {
+                        $title.text(data.title);
+                    }
 
-                if (data.title !== '' || data.description !== '' || data.image !== '') {
-                    $this.removeClass('d-none');
-                }
-            });
+                    if (data.description === '') {
+                        $desc.hide();
+                    } else {
+                        $desc.text(data.description);
+                    }
+
+                    if (data.image === '') {
+                        $imageColumn.hide();
+                        $metaColumn.removeClass('col-md-6');
+                    } else {
+                        $image.attr('src', data.image);
+                    }
+
+                    if (data.title !== '' || data.description !== '' || data.image !== '') {
+                        $this.removeClass('d-none');
+                    }
+                });
         });
     };
 
diff --git a/yarn.lock b/yarn.lock
index 96ceb48..34ff6b3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -849,6 +849,11 @@
   resolved "https://registry.yarnpkg.com/@types/q/-/q-1.5.2.tgz#690a1475b84f2a884fd07cd797c00f5f31356ea8"
   integrity sha512-ce5d3q03Ex0sy4R14722Rmt6MT07Ua+k4FwDfdcToYJcMKNtRVQvJ6JCAPdAmAnbRb6CsX6aYb9m96NGod9uTw==
 
+"@types/qs@^6.9.4":
+  version "6.9.4"
+  resolved "https://registry.yarnpkg.com/@types/qs/-/qs-6.9.4.tgz#a59e851c1ba16c0513ea123830dd639a0a15cb6a"
+  integrity sha512-+wYo+L6ZF6BMoEjtf8zB2esQsqdV6WsjRK/GP9WOgLPrq87PbNWgIxS76dS5uvl/QXtHGakZmwTznIfcPXcKlQ==
+
 "@types/sizzle@*":
   version "2.3.2"
   resolved "https://registry.yarnpkg.com/@types/sizzle/-/sizzle-2.3.2.tgz#a811b8c18e2babab7d542b3365887ae2e4d9de47"
@@ -3030,6 +3035,11 @@ eslint-config-prettier@^6.11.0:
   dependencies:
     get-stdin "^6.0.0"
 
+eslint-plugin-jquery@^1.5.1:
+  version "1.5.1"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-jquery/-/eslint-plugin-jquery-1.5.1.tgz#d6bac643acf9484ce76394e27e2b07baca06662e"
+  integrity sha512-L7v1eaK5t80C0lvUXPFP9MKnBOqPSKhCOYyzy4LZ0+iK+TJwN8S9gAkzzP1AOhypRIwA88HF6phQ9C7jnOpW8w==
+
 eslint-plugin-prettier@^3.1.4:
   version "3.1.4"
   resolved "https://registry.yarnpkg.com/eslint-plugin-prettier/-/eslint-plugin-prettier-3.1.4.tgz#168ab43154e2ea57db992a2cd097c828171f75c2"
@@ -6684,6 +6694,11 @@ qs@6.7.0:
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.7.0.tgz#41dc1a015e3d581f1621776be31afb2876a9b1bc"
   integrity sha512-VCdBRNFTX1fyE7Nb6FYoURo/SPe62QCaAyzJvUjwRaIsc+NePBEniHlvxFmmX56+HZphIGtV0XeCirBtpDrTyQ==
 
+qs@^6.9.4:
+  version "6.9.4"
+  resolved "https://registry.yarnpkg.com/qs/-/qs-6.9.4.tgz#9090b290d1f91728d3c22e54843ca44aea5ab687"
+  integrity sha512-A1kFqHekCTM7cz0udomYUoYNWjBebHm/5wzU/XqrBRBNWectVH0QIiN+NEcZ0Dte5hvzHwbr8+XQmguPhJ6WdQ==
+
 querystring-es3@^0.2.0:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/querystring-es3/-/querystring-es3-0.2.1.tgz#9ec61f79049875707d69414596fd907a4d711e73"