回答編集履歴
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ソースの追加
test
CHANGED
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@@ -9,3 +9,185 @@
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クラスを付与して表示させるとかですね。
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ご参考までに。
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簡易的なものですが、こんな感じです。
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```html
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<html lang="ja">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<meta http-equiv="X-UA-Compatible" content="ie=edge">
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<title>Document</title>
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<style>
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* {
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padding: 0;
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margin: 0;
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}
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.st-modal {
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position: fixed;
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left: 0;
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right: 0;
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top: 120px;
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width: 320px;
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max-width: 0;
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margin: 0 auto;
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box-shadow: 0 0 6px rgba(0,0,0,0.16);
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transition: 0.2s all;
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visibility: visible;
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overflow: hidden;
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}
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.st-modal.active {
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max-width: 320px;
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visibility: initial;
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overflow: initial;
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padding: 20px;
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background-color: #efefef;
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}
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dl{
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display: flex;
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align-items: center;
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}
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</style>
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</head>
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<body>
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<div id="app">
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<form>
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<div class="form">
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<input
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type="text"
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v-model="name"
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required
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aria-required="true"
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>
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<button
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v-if="name"
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type="button"
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@click="isActive = true"
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>
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確認
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</button>
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<p v-else>{{ isMessage() }}</p>
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</div>
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<div
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:class="{ active: isActive }"
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class="st-modal"
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>
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<dl>
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<dt>お名前:</dt>
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<dd>{{ name }}</dd>
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</dl>
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<button type="submit">
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送信
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</button>
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</div>
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</form>
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</div>
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<script src="https://cdn.jsdelivr.net/npm/vue"></script>
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<script>
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const app = new Vue({
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el: '#app',
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data: {
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name: '',
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isActive: false
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},
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methods: {
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isMessage: function () {
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if (!this.name) return 'お名前が入力されていません。'
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}
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}
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})
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</script>
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</body>
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</html>
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```
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