quiz.html

<!DOCTYPE html>
<html lang="ja">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>サービス クイズ</title>
    <link href="https://fonts.googleapis.com/css2?family=Press+Start+2P&display=swap" rel="stylesheet">
    <style>
        @import url('https://fonts.googleapis.com/css2?family=Material+Icons&display=swap'); /* Material Icons for check/x marks */

        :root {
            --neon-green: #39FF14;
            --dark-background: #1a1a1a;
            --text-color: #00FF00; /* Neon green for text */
            --border-glow: #00FF00;
        }

        body {
            font-family: 'Press Start 2P', cursive;
            background-color: var(--dark-background);
            color: var(--text-color);
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            margin: 0;
            padding: 20px;
            box-sizing: border-box;
            overflow: hidden; /* Prevent scrollbar from glow effects */
        }

        .container {
            background-color: #000;
            border: 2px solid var(--neon-green);
            box-shadow: 0 0 15px var(--neon-green), 0 0 25px var(--neon-green) inset;
            border-radius: 10px;
            padding: 20px;
            width: 100%;
            max-width: 400px; /* Mobile friendly size */
            text-align: center;
            position: relative;
            animation: glow-border 1.5s infinite alternate;
        }

        @keyframes glow-border {
            from {
                box-shadow: 0 0 10px var(--neon-green), 0 0 20px var(--neon-green) inset;
            }
            to {
                box-shadow: 0 0 20px var(--neon-green), 0 0 30px var(--neon-green) inset;
            }
        }

        h1 {
            color: var(--neon-green);
            text-shadow: 0 0 8px var(--neon-green);
            margin-bottom: 25px;
            font-size: 1.5em;
        }

        #file-select-container {
            margin-bottom: 20px;
        }

        #file-select {
            background-color: #333;
            color: var(--neon-green);
            border: 1px solid var(--neon-green);
            border-radius: 5px;
            padding: 8px 10px;
            font-family: 'Press Start 2P', cursive;
            font-size: 0.8em;
            cursor: pointer;
            box-shadow: 0 0 5px var(--neon-green);
            appearance: none;
            -webkit-appearance: none;
            -moz-appearance: none;
            width: calc(100% - 20px);
            text-align-last: center;
        }

        #file-select:focus {
            outline: none;
            box-shadow: 0 0 10px var(--neon-green);
        }

        /* 固定サイズの要素 */
        #question-area {
            min-height: 100px; /* 問題文の最小高さ */
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 15px;
            word-break: break-all;
            padding: 5px; /* 内側の余白 */
        }
        #question-area p {
            font-size: 0.9em;
            line-height: 1.4;
            margin: 0;
            text-align: left;
            white-space: pre-wrap;
            overflow: hidden;
            flex-grow: 1; /* 親要素内で広がるように */
        }
        
        /* タイピングアニメーションのカーソル */
        #question-text.typing::after {
            content: '|';
            display: inline-block;
            animation: blink-caret .75s step-end infinite;
        }
        @keyframes blink-caret {
            from, to { border-color: transparent }
            50% { border-color: var(--neon-green); }
        }


        #options-container {
            height: 250px; /* 選択肢ボタンの固定高さ */
            display: flex;
            flex-direction: column;
            justify-content: space-around;
        }
        #options-container button {
            background-color: #333;
            color: var(--neon-green);
            border: 1px solid var(--neon-green);
            border-radius: 5px;
            padding: 12px 15px;
            margin: 5px 0;
            width: 100%;
            font-family: 'Press Start 2P', cursive;
            font-size: 0.8em;
            cursor: pointer;
            transition: background-color 0.3s, box-shadow 0.3s, transform 0.1s;
            text-shadow: 0 0 5px var(--neon-green);
            box-shadow: 0 0 5px var(--neon-green);
            position: relative;
            overflow: hidden;
            display: flex; /* アイコン配置のためにflexbox */
            align-items: center;
            justify-content: center; /* テキスト中央揃え */
        }

        #options-container button::before { /* ホバーエフェクト */
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            background: var(--neon-green);
            border-radius: 50%;
            transition: width 0.4s ease-out, height 0.4s ease-out, top 0.4s ease-out, left 0.4s ease-out;
            transform: translate(-50%, -50%);
            z-index: 0;
            opacity: 0.3;
        }

        #options-container button:hover::before {
            width: 300%;
            height: 300%;
            opacity: 0.6;
        }
        #options-container button:hover {
            color: var(--dark-background);
            box-shadow: 0 0 10px var(--neon-green), 0 0 20px var(--neon-green);
            text-shadow: none;
            transform: translateY(-2px);
        }
        #options-container button span {
            position: relative;
            z-index: 1;
            flex-grow: 1; /* テキストが中央にくるように */
        }
        
        /* 正解・不正解のボタン色 */
        #options-container button.correct-selected { /* 選択したボタンが正解 */
            background-color: var(--neon-green);
            color: var(--dark-background);
            box-shadow: 0 0 20px var(--neon-green), 0 0 30px var(--neon-green) inset;
        }
        #options-container button.incorrect-selected { /* 選択したボタンが不正解 */
            background-color: #8B0000; /* Dark Red */
            color: white;
            box-shadow: 0 0 15px #FF4500;
        }
        /* 未選択だが正解だったボタン */
        #options-container button.correct-answer {
            background-color: rgba(57, 255, 20, 0.5); /* 半透明の緑 */
            color: var(--dark-background);
            box-shadow: 0 0 10px rgba(57, 255, 20, 0.7);
        }

        /* マークのスタイル */
        #options-container button .mark {
            font-family: 'Material Icons';
            font-size: 1.5em; /* マークのサイズ */
            margin-left: 10px; /* テキストとの間隔 */
            position: relative;
            z-index: 1; /* テキストと同じ階層 */
        }
        #options-container button .mark.check {
            color: var(--neon-green);
            text-shadow: 0 0 8px var(--neon-green);
        }
        #options-container button .mark.x-mark {
            color: #FF4500;
            text-shadow: 0 0 8px #FF4500;
        }

        #result-area {
            height: 40px; /* 結果表示エリアの固定高さ */
            display: flex;
            align-items: center;
            justify-content: center;
            margin-top: 20px;
            font-size: 1em;
            color: var(--text-color);
        }

        .correct-text {
            color: var(--neon-green);
            text-shadow: 0 0 5px var(--neon-green);
        }

        .incorrect-text {
            color: #FF4500;
            text-shadow: 0 0 5px #FF4500;
        }

        #next-button, #restart-button, #start-quiz-button {
            background-color: var(--neon-green);
            color: var(--dark-background);
            border: none;
            border-radius: 5px;
            padding: 10px 20px;
            margin-top: 20px;
            font-family: 'Press Start 2P', cursive;
            font-size: 0.9em;
            cursor: pointer;
            transition: opacity 0.3s, transform 0.2s, box-shadow 0.3s;
            box-shadow: 0 0 10px var(--neon-green);
        }

        #next-button:hover, #restart-button:hover, #start-quiz-button:hover {
            opacity: 0.8;
            transform: translateY(-2px);
            box-shadow: 0 0 15px var(--neon-green);
        }
        #next-button:active, #restart-button:active, #start-quiz-button:active {
            transform: translateY(0);
        }

        .hidden {
            display: none;
        }

        /* SVG for a cool background pattern (optional) */
        .svg-background {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: -1;
            opacity: 0.1;
        }
    </style>
</head>
<body>
    <div class="container">
        <svg class="svg-background" viewBox="0 0 100 100" preserveAspectRatio="xMidYMid slice">
            <defs>
                <pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse">
                    <path d="M 10 0 L 0 0 0 10" fill="none" stroke="var(--neon-green)" stroke-width="0.1"/>
                </pattern>
            </defs>
            <rect width="100%" height="100%" fill="url(#grid)" />
        </svg>

        <h1>サービス クイズ</h1>
        
        <div id="file-select-container">
            <label for="file-select" style="display: block; margin-bottom: 10px;">クイズファイルを選択:</label>
            <select id="file-select">
                <option value="gcp.json">GCPサービス</option>
                <option value="aws.json">AWSサービス</option>
                <option value="sakana.json">さかなクイズ</option>
            </select>
            <button id="start-quiz-button" style="margin-top: 15px;">クイズ開始</button>
        </div>

        <div id="quiz-area" class="hidden">
            <div id="question-area">
                <p id="question-text"></p>
            </div>
            <div id="options-container">
                </div>
            <div id="result-area"></div>
            <button id="next-button" class="hidden">次の問題</button>
            <button id="restart-button" class="hidden">別のクイズを始める</button>
        </div>
    </div>

    <script>
        let currentQuestionIndex = 0;
        let score = 0;
        let questions = [];
        let serviceData = []; 
        let typingInterval;

        const questionTextElement = document.getElementById('question-text');
        const optionsContainer = document.getElementById('options-container');
        const resultArea = document.getElementById('result-area');
        const nextButton = document.getElementById('next-button');
        const restartButton = document.getElementById('restart-button');
        const fileSelect = document.getElementById('file-select');
        const startQuizButton = document.getElementById('start-quiz-button');
        const quizArea = document.getElementById('quiz-area');
        const fileSelectContainer = document.getElementById('file-select-container');

        // ファイル選択とクイズ開始ボタンのイベントリスナー
        startQuizButton.addEventListener('click', async () => {
            const selectedFile = fileSelect.value;
            await loadQuizData(selectedFile);
            if (serviceData.length >= 4) { 
                fileSelectContainer.classList.add('hidden');
                quizArea.classList.remove('hidden');
                initializeQuiz();
            } else {
                alert('選択されたクイズデータの読み込みに失敗したか、クイズを生成するためのデータが不足しています（最低4つのデータが必要です）。');
            }
        });

        async function loadQuizData(fileName) {
            try {
                const response = await fetch(fileName);
                if (!response.ok) {
                    throw new Error(`HTTP error! status: ${response.status}`);
                }
                serviceData = await response.json();
                console.log(`${fileName} を読み込みました:`, serviceData);
            } catch (error) {
                console.error(`Error loading ${fileName}:`, error);
                serviceData = []; 
            }
        }

        function initializeQuiz() {
            questions = shuffleArray([...serviceData]).map(item => {
                const correctService = item.service;
                const description = item.description_ja || item.info; 

                if (!description) { // descriptionがない場合は問題として扱わない
                    return null;
                }

                const wrongOptionsPool = serviceData.filter(s => s.service !== correctService && (s.description_ja || s.info));
                const shuffledWrongOptions = shuffleArray([...wrongOptionsPool]);
                
                let options = [];
                options.push(correctService);

                for (let i = 0; i < 3 && i < shuffledWrongOptions.length; i++) {
                    options.push(shuffledWrongOptions[i].service);
                }

                // 選択肢が4つ未満の場合はスキップ
                if (options.length < 4) {
                    return null; 
                }
                
                return {
                    question: `${description}。この説明に合致するサービスは何でしょう？`,
                    correctAnswer: correctService,
                    options: shuffleArray(options)
                };
            }).filter(q => q !== null && q.options.length === 4); // nullと4択以外は除外

            currentQuestionIndex = 0;
            score = 0;
            if (questions.length === 0) {
                questionTextElement.textContent = "クイズを作成できませんでした。データの形式を確認するか、十分な数のデータ（最低4つ）があるか確認してください。";
                optionsContainer.innerHTML = '';
                nextButton.classList.add('hidden');
                restartButton.classList.remove('hidden');
                restartButton.textContent = '別のクイズを始める';
                return;
            }
            displayQuestion();
            nextButton.classList.add('hidden');
            restartButton.classList.add('hidden');
            resultArea.textContent = '';
        }

        function displayQuestion() {
            const questionData = questions[currentQuestionIndex];
            if (!questionData) {
                showResults();
                return;
            }

            questionTextElement.textContent = ''; 
            optionsContainer.innerHTML = ''; 
            resultArea.textContent = ''; 
            nextButton.classList.add('hidden'); 

            typeWriter(questionData.question, () => {
                questionData.options.forEach(option => {
                    const button = document.createElement('button');
                    const span = document.createElement('span'); 
                    span.textContent = option;
                    button.appendChild(span);
                    button.onclick = () => checkAnswer(button, option, questionData.correctAnswer); // button要素も渡す
                    optionsContainer.appendChild(button);
                });
            });
        }

        function typeWriter(text, callback) {
            let i = 0;
            questionTextElement.classList.add('typing'); 
            typingInterval = setInterval(() => {
                if (i < text.length) {
                    questionTextElement.textContent += text.charAt(i);
                    i++;
                } else {
                    clearInterval(typingInterval);
                    questionTextElement.classList.remove('typing'); 
                    if (callback) callback();
                }
            }, 50); 
        }

        function checkAnswer(selectedButton, selectedOption, correctAnswer) {
            clearInterval(typingInterval); 
            questionTextElement.classList.remove('typing'); 

            const buttons = optionsContainer.querySelectorAll('button');
            buttons.forEach(button => {
                button.disabled = true; 
                const buttonText = button.querySelector('span').textContent;
                
                if (buttonText === correctAnswer) {
                    // 正解のボタン
                    button.classList.add('correct-selected'); // 選択された正解、または未選択の正解
                    const mark = document.createElement('span');
                    mark.classList.add('mark', 'check');
                    mark.textContent = 'check_circle'; // Material Iconsのアイコン名
                    button.appendChild(mark);
                } else if (button === selectedButton && selectedOption !== correctAnswer) {
                    // 選択された不正解のボタン
                    button.classList.add('incorrect-selected');
                    const mark = document.createElement('span');
                    mark.classList.add('mark', 'x-mark');
                    mark.textContent = 'cancel'; // Material Iconsのアイコン名
                    button.appendChild(mark);
                }
            });

            if (selectedOption === correctAnswer) {
                resultArea.textContent = '正解！';
                resultArea.classList.add('correct-text');
                resultArea.classList.remove('incorrect-text');
                score++;
            } else {
                resultArea.textContent = `不正解...`; // 正解はマークで表示されるため簡潔に
                resultArea.classList.add('incorrect-text');
                resultArea.classList.remove('correct-text');
            }
            nextButton.classList.remove('hidden');
        }

        function nextQuestion() {
            currentQuestionIndex++;
            if (currentQuestionIndex < questions.length) {
                displayQuestion();
            } else {
                showResults();
            }
        }

        function showResults() {
            questionTextElement.textContent = `クイズ終了！あなたのスコアは ${score} / ${questions.length} です！`;
            optionsContainer.innerHTML = '';
            resultArea.textContent = '';
            nextButton.classList.add('hidden');
            restartButton.classList.remove('hidden');
            restartButton.textContent = '別のクイズを始める';
            restartButton.onclick = () => {
                fileSelectContainer.classList.remove('hidden');
                quizArea.classList.add('hidden');
                restartButton.classList.add('hidden');
                resultArea.textContent = '';
                questionTextElement.textContent = '';
            };
        }

        function shuffleArray(array) {
            for (let i = array.length - 1; i > 0; i--) {
                const j = Math.floor(Math.random() * (i + 1));
                [array[i], array[j]] = [array[j], array[i]];
            }
            return array;
        }

        // イベントリスナーの設定
        nextButton.addEventListener('click', nextQuestion);

        // 初期表示時にクイズエリアを非表示
        document.addEventListener('DOMContentLoaded', () => {
            quizArea.classList.add('hidden');
        });
    </script>
</body>
</html>