oneClient.html

<!DOCTYPE html>
<html lang="ja">
<head>
    <meta charset="UTF-8">
    <title>拡大表示 - 授業支援</title>
    <style>
        body {
            margin: 0;
            padding: 0;
            background: #000;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            overflow: hidden;
        }
        #videoContainer {
            width: 100%;
            height: 100%;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        video, img {
            max-width: 100%;
            max-height: 100%;
            object-fit: contain;
        }
        .toolbar {
            position: fixed;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            background: rgba(0,0,0,0.7);
            color: white;
            padding: 8px 16px;
            border-radius: 32px;
            display: flex;
            gap: 16px;
            z-index: 100;
        }
        button {
            background: #01579B;
            border: none;
            color: white;
            padding: 6px 12px;
            border-radius: 20px;
            cursor: pointer;
        }
        .hidden {
            display: none;
        }
    </style>
</head>
<body>
<div id="app">
    <div id="videoContainer">
        <video id="remoteVideo" autoplay muted style="width:100%; height:100%;"></video>
        <img id="remoteImage" style="display:none; max-width:100%; max-height:100%;">
    </div>
    <div class="toolbar" v-show="showToolbar" @mouseleave="hideToolbarDelayed">
        <span>{{ targetName }}</span>
        <button @click="closeWindow">閉じる</button>
    </div>
</div>

<script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
<script src="https://www.gstatic.com/firebasejs/9.22.0/firebase-app-compat.js"></script>
<script src="https://www.gstatic.com/firebasejs/9.22.0/firebase-database-compat.js"></script>
<script src="firebase-config.js"></script>
<script src="oneClient.js"></script>
</body>
</html>