/* 基本的なリセット */
body, h1, h2, p {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Hiragino Kaku Gothic ProN", "メイリオ", Meiryo, sans-serif;
}

body {
    background-color: #f4f4f4;
    color: #333;
    line-height: 1.8;
}

.container {
    max-width: 800px;
    margin: 2rem auto;
    padding: 1rem 2rem;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

header {
    text-align: center;
    border-bottom: 2px solid #eee;
    padding-bottom: 1.5rem;
    margin-bottom: 2rem;
}

header h1 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

header .subtitle {
    font-size: 1.1rem;
    color: #7f8c8d;
}

main section {
    margin-bottom: 2.5rem;
}

h2 {
    font-size: 1.8rem;
    color: #34495e;
    border-bottom: 1px solid #ddd;
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
}

p {
    margin-bottom: 1.2rem;
    font-size: 1rem;
}

/* 英語の物語セクション */
#english-story {
    background-color: #eaf2f8;
    padding: 1.5rem;
    border-radius: 5px;
    border: 1px solid #d4e6f1;
    cursor: pointer;
    transition: background-color 0.3s;
}

#english-story:hover {
    background-color: #d4e6f1;
}

/* 解説セクション */
.analysis-box {
    background-color: #fef9e7;
    border-left: 5px solid #f1c40f;
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    border-radius: 0 5px 5px 0;
}

.analysis-box h3 {
    font-size: 1.2rem;
    color: #c0392b;
    margin-bottom: 0.8rem;
}

.analysis-box ul {
    list-style-type: none;
    padding-left: 0;
    margin-top: 1rem;
}

.analysis-box li {
    background-color: #fff;
    padding: 0.5rem;
    border-radius: 3px;
    margin-bottom: 0.5rem;
    font-family: "Courier New", Courier, monospace;
    font-size: 0.95rem;
}