diff --git a/package.json b/package.json
index 01fce83..e957a17 100644
--- a/package.json
+++ b/package.json
@@ -11,6 +11,7 @@
     "stylelint": "stylelint resources/assets/sass/**/*"
   },
   "devDependencies": {
+    "@types/jquery": "^3.3.29",
     "bootstrap": "^4.3.1",
     "cal-heatmap": "^3.3.10",
     "chart.js": "^2.7.1",
@@ -28,7 +29,12 @@
     "sass-loader": "^7.1.0",
     "stylelint": "^9.10.1",
     "stylelint-config-recess-order": "^2.0.1",
-    "vue-template-compiler": "^2.6.6"
+    "ts-loader": "^6.0.1",
+    "typescript": "^3.4.5",
+    "vue": "^2.6.10",
+    "vue-class-component": "^7.1.0",
+    "vue-property-decorator": "^8.1.1",
+    "vue-template-compiler": "^2.6.10"
   },
   "stylelint": {
     "extends": "stylelint-config-recess-order"
@@ -39,6 +45,9 @@
     }
   },
   "lint-staged": {
-    "*.{css,scss}": ["stylelint --fix", "git add"]
+    "*.{css,scss}": [
+      "stylelint --fix",
+      "git add"
+    ]
   }
 }
diff --git a/resources/assets/js/checkin.js b/resources/assets/js/checkin.js
deleted file mode 100644
index e68fc0c..0000000
--- a/resources/assets/js/checkin.js
+++ /dev/null
@@ -1,58 +0,0 @@
-function updateTags() {
-    $('input[name=tags]').val(
-        $('#tags')
-            .find('li')
-            .map(function () {
-                return $(this).data('value');
-            })
-            .get()
-            .join(' ')
-    );
-}
-
-function insertTag(value) {
-    $('<li class="list-inline-item badge badge-primary" style="cursor: pointer;"><span class="oi oi-tag"></span> <span></span> | x</li>')
-        .data('value', value)
-        .children(':last-child')
-            .text(value)
-            .end()
-        .appendTo('#tags');
-}
-
-var initTags = $('input[name=tags]').val();
-if (initTags.trim() !== '') {
-    initTags.split(' ').forEach(function (value) {
-        insertTag(value);
-    });
-}
-
-$('#tagInput').on('keydown', function (ev) {
-    var $this = $(this);
-    if ($this.val().trim() !== '') {
-        switch (ev.key) {
-            case 'Tab':
-            case 'Enter':
-            case ' ':
-                if (ev.originalEvent.isComposing !== true) {
-                    insertTag($this.val().trim());
-                    $this.val('');
-                    updateTags();
-                }
-                ev.preventDefault();
-                break;
-        }
-    } else if (ev.key === 'Enter') {
-        // 誤爆防止
-        ev.preventDefault();
-    }
-});
-
-$('#tags')
-    .on('click', 'li', function (ev) {
-        $(this).remove();
-        updateTags();
-    })
-    .parent()
-    .on('click', function (ev) {
-        $('#tagInput').focus();
-    });
\ No newline at end of file
diff --git a/resources/assets/js/checkin.ts b/resources/assets/js/checkin.ts
new file mode 100644
index 0000000..7e54285
--- /dev/null
+++ b/resources/assets/js/checkin.ts
@@ -0,0 +1,9 @@
+import Vue from 'vue';
+import TagInput from "./components/TagInput.vue";
+
+new Vue({
+    el: '#app',
+    components: {
+        TagInput
+    }
+});
diff --git a/resources/assets/js/components/TagInput.vue b/resources/assets/js/components/TagInput.vue
new file mode 100644
index 0000000..a2c1ff3
--- /dev/null
+++ b/resources/assets/js/components/TagInput.vue
@@ -0,0 +1,77 @@
+<template>
+    <div :class="containerClass" @click="$refs.input.focus()">
+        <input :name="name" type="hidden" :value="tagValue">
+        <ul class="list-inline d-inline">
+            <li v-for="(tag, i) in tags"
+                class="list-inline-item badge badge-primary tag-item"
+                @click="removeTag(i)"><span class="oi oi-tag"></span> {{ tag }} | x</li>
+        </ul>
+        <input :id="id"
+               ref="input"
+               type="text"
+               class="tag-input"
+               v-model="buffer"
+               @keydown="onKeyDown">
+    </div>
+</template>
+
+<script lang="ts">
+    import {Vue, Component, Prop} from "vue-property-decorator";
+
+    @Component
+    export default class TagInput extends Vue {
+        @Prop(String) readonly id!: string;
+        @Prop(String) readonly name!: string;
+        @Prop(String) readonly value!: string;
+        @Prop(Boolean) readonly isInvalid!: boolean;
+
+        tags: string[] = this.value.trim() !== "" ? this.value.trim().split(" ") : [];
+        buffer: string = "";
+
+        onKeyDown(event: KeyboardEvent) {
+            if (this.buffer.trim() !== "") {
+                switch (event.key) {
+                    case 'Tab':
+                    case 'Enter':
+                    case ' ':
+                        if ((event as any).isComposing !== true) {
+                            this.tags.push(this.buffer);
+                            this.buffer = "";
+                        }
+                        event.preventDefault();
+                        break;
+                }
+            } else if (event.key === "Enter") {
+                // 誤爆防止
+                event.preventDefault();
+            }
+        }
+
+        removeTag(index: number) {
+            this.tags.splice(index, 1);
+        }
+
+        get containerClass(): object {
+            return {
+                "form-control": true,
+                "h-auto": true,
+                "is-invalid": this.isInvalid
+            };
+        }
+
+        get tagValue(): string {
+            return this.tags.join(" ");
+        }
+    }
+</script>
+
+<style lang="scss" scoped>
+    .tag-item {
+        cursor: pointer;
+    }
+
+    .tag-input {
+        border: 0;
+        outline: 0;
+    }
+</style>
\ No newline at end of file
diff --git a/resources/assets/js/vue-shims.d.ts b/resources/assets/js/vue-shims.d.ts
new file mode 100644
index 0000000..ad17f79
--- /dev/null
+++ b/resources/assets/js/vue-shims.d.ts
@@ -0,0 +1,4 @@
+declare module "*.vue" {
+    import Vue from "vue";
+    export default Vue;
+}
\ No newline at end of file
diff --git a/resources/views/ejaculation/checkin.blade.php b/resources/views/ejaculation/checkin.blade.php
index 669b9cf..6355014 100644
--- a/resources/views/ejaculation/checkin.blade.php
+++ b/resources/views/ejaculation/checkin.blade.php
@@ -3,7 +3,7 @@
 @section('title', 'チェックイン')
 
 @section('content')
-<div class="container">
+<div id="app" class="container">
     <h2>今致してる？</h2>
     <hr>
     <div class="row justify-content-center mt-5">
@@ -38,12 +38,8 @@
                 </div>
                 <div class="form-row">
                     <div class="form-group col-sm-12">
-                        <input name="tags" type="hidden" value="{{ old('tags') ?? $defaults['tags'] }}">
                         <label for="tagInput"><span class="oi oi-tags"></span> タグ</label>
-                        <div class="form-control h-auto {{ $errors->has('tags') ? ' is-invalid' : '' }}">
-                            <ul id="tags" class="list-inline d-inline"></ul>
-                            <input id="tagInput" type="text" style="outline: 0; border: 0;">
-                        </div>
+                        <tag-input id="tagInput" name="tags" value="{{ old('tags') ?? $defaults['tags'] }}" :is-invalid="{{ $errors->has('tags') ? 'true' : 'false' }}"></tag-input>
                         <small class="form-text text-muted">
                             Tab, Enter, 半角スペースのいずれかで入力確定します。
                         </small>
diff --git a/resources/views/ejaculation/edit.blade.php b/resources/views/ejaculation/edit.blade.php
index 8bae248..73b16d4 100644
--- a/resources/views/ejaculation/edit.blade.php
+++ b/resources/views/ejaculation/edit.blade.php
@@ -3,7 +3,7 @@
 @section('title', 'チェックインの修正')
 
 @section('content')
-<div class="container">
+<div id="app" class="container">
     <h2>チェックインの修正</h2>
     <hr>
     <div class="row justify-content-center mt-5">
@@ -39,12 +39,8 @@
                 </div>
                 <div class="form-row">
                     <div class="form-group col-sm-12">
-                        <input name="tags" type="hidden" value="{{ old('tags') ?? $ejaculation->textTags() }}">
                         <label for="tagInput"><span class="oi oi-tags"></span> タグ</label>
-                        <div class="form-control h-auto {{ $errors->has('tags') ? ' is-invalid' : '' }}">
-                            <ul id="tags" class="list-inline d-inline"></ul>
-                            <input id="tagInput" type="text" style="outline: 0; border: 0;">
-                        </div>
+                        <tag-input id="tagInput" name="tags" value="{{ old('tags') ?? $ejaculation->textTags() }}" :is-invalid="{{ $errors->has('tags') ? 'true' : 'false' }}"></tag-input>
                         <small class="form-text text-muted">
                             Tab, Enter, 半角スペースのいずれかで入力確定します。
                         </small>
diff --git a/tsconfig.json b/tsconfig.json
new file mode 100644
index 0000000..d2d1b2c
--- /dev/null
+++ b/tsconfig.json
@@ -0,0 +1,13 @@
+{
+  "compilerOptions": {
+    "sourceMap": true,
+    "target": "es5",
+    "module": "es2015",
+    "moduleResolution": "node",
+    "strict": true,
+    "experimentalDecorators": true
+  },
+  "include": [
+    "resources/assets/js/**/*"
+  ]
+}
\ No newline at end of file
diff --git a/webpack.mix.js b/webpack.mix.js
index 703398c..3532d8b 100644
--- a/webpack.mix.js
+++ b/webpack.mix.js
@@ -16,7 +16,7 @@ mix.js('resources/assets/js/app.js', 'public/js')
     .js('resources/assets/js/home.js', 'public/js')
     .js('resources/assets/js/user/stats.js', 'public/js/user')
     .js('resources/assets/js/setting/privacy.js', 'public/js/setting')
-    .js('resources/assets/js/checkin.js', 'public/js')
+    .ts('resources/assets/js/checkin.ts', 'public/js')
     .sass('resources/assets/sass/app.scss', 'public/css')
     .autoload({
         'jquery': ['$', 'jQuery', 'window.jQuery']
diff --git a/yarn.lock b/yarn.lock
index a9058b8..6d0830e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7830,6 +7830,11 @@ vm-browserify@0.0.4:
   dependencies:
     indexof "0.0.1"
 
+vue-class-component@^7.0.1, vue-class-component@^7.1.0:
+  version "7.1.0"
+  resolved "https://registry.yarnpkg.com/vue-class-component/-/vue-class-component-7.1.0.tgz#b33efcb10e17236d684f70b1e96f1946ec793e87"
+  integrity sha512-G9152NzUkz0i0xTfhk0Afc8vzdXxDR1pfN4dTwE72cskkgJtdXfrKBkMfGvDuxUh35U500g5Ve4xL8PEGdWeHg==
+
 vue-hot-reload-api@^2.3.0:
   version "2.3.2"
   resolved "https://registry.yarnpkg.com/vue-hot-reload-api/-/vue-hot-reload-api-2.3.2.tgz#1fcc1495effe08a790909b46bf7b5c4cfeb6f21b"
@@ -7846,6 +7851,13 @@ vue-loader@^15.4.2:
     vue-hot-reload-api "^2.3.0"
     vue-style-loader "^4.1.0"
 
+vue-property-decorator@^8.1.1:
+  version "8.1.1"
+  resolved "https://registry.yarnpkg.com/vue-property-decorator/-/vue-property-decorator-8.1.1.tgz#80dadbe5ffa0e7eb6a0ba0a07036365471a7d5ee"
+  integrity sha512-K+PUT17ZEMWyhrKZnl4Fc9qMyFpMcjVbZJBwx4BpA8BXfaspaTeFdoHuk1aywC/+4G86sxIr/5n4IQUQLecSWw==
+  dependencies:
+    vue-class-component "^7.0.1"
+
 vue-style-loader@^4.1.0:
   version "4.1.2"
   resolved "https://registry.yarnpkg.com/vue-style-loader/-/vue-style-loader-4.1.2.tgz#dedf349806f25ceb4e64f3ad7c0a44fba735fcf8"
@@ -7854,10 +7866,10 @@ vue-style-loader@^4.1.0:
     hash-sum "^1.0.2"
     loader-utils "^1.0.2"
 
-vue-template-compiler@^2.6.6:
-  version "2.6.6"
-  resolved "https://registry.yarnpkg.com/vue-template-compiler/-/vue-template-compiler-2.6.6.tgz#a807acbf3d51971d3721d75ecb1b927b517c1a02"
-  integrity sha512-OakxDGyrmMQViCjkakQFbDZlG0NibiOzpLauOfyCUVRQc9yPmTqpiz9nF0VeA+dFkXegetw0E5x65BFhhLXO0A==
+vue-template-compiler@^2.6.10:
+  version "2.6.10"
+  resolved "https://registry.yarnpkg.com/vue-template-compiler/-/vue-template-compiler-2.6.10.tgz#323b4f3495f04faa3503337a82f5d6507799c9cc"
+  integrity sha512-jVZkw4/I/HT5ZMvRnhv78okGusqe0+qH2A0Em0Cp8aq78+NK9TII263CDVz2QXZsIT+yyV/gZc/j/vlwa+Epyg==
   dependencies:
     de-indent "^1.0.2"
     he "^1.1.0"
@@ -7867,6 +7879,11 @@ vue-template-es2015-compiler@^1.8.2:
   resolved "https://registry.yarnpkg.com/vue-template-es2015-compiler/-/vue-template-es2015-compiler-1.8.2.tgz#dd73e80ba58bb65dd7a8aa2aeef6089cf6116f2a"
   integrity sha512-cliV19VHLJqFUYbz/XeWXe5CO6guzwd0yrrqqp0bmjlMP3ZZULY7fu8RTC4+3lmHwo6ESVDHFDsvjB15hcR5IA==
 
+vue@^2.6.10:
+  version "2.6.10"
+  resolved "https://registry.yarnpkg.com/vue/-/vue-2.6.10.tgz#a72b1a42a4d82a721ea438d1b6bf55e66195c637"
+  integrity sha512-ImThpeNU9HbdZL3utgMCq0oiMzAkt1mcgy3/E6zWC/G6AaQoeuFdsl9nDhTDU3X1R6FK7nsIUuRACVcjI+A2GQ==
+
 watchpack@^1.5.0:
   version "1.6.0"
   resolved "https://registry.yarnpkg.com/watchpack/-/watchpack-1.6.0.tgz#4bc12c2ebe8aa277a71f1d3f14d685c7b446cd00"