body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #f0f0f0;
}
#game-container {
    width: 800px;
    background-color: #fff;
    border: 2px solid #333;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    padding: 20px;
    border-radius: 10px;
}
#game-board {
    border: 1px solid black;
    margin-bottom: 20px;
}
#question-area, #story-area {
    text-align: center;
    margin-bottom: 20px;
}
#answer-input {
    margin-right: 10px;
    padding: 5px;
}
button {
    padding: 5px 10px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    margin: 5px;
}
button:hover {
    background-color: #45a049;
}
#answer-format, #hint-area {
    font-style: italic;
    color: #666;
    margin-top: 5px;
}
#score-display, #level-display {
    font-weight: bold;
    margin-bottom: 10px;
}
#achievement-area {
    margin-top: 20px;
}
.achievement {
    display: inline-block;
    margin-right: 10px;
    padding: 5px 10px;
    background-color: #ffd700;
    border-radius: 15px;
    font-size: 0.9em;
}
#story-area {
    background-color: #e6f7ff;
    padding: 10px;
    border-radius: 5px;
    margin-top: 20px;
}
#debug-info {
    font-family: monospace;
    font-size: 12px;
    margin-top: 20px;
    padding: 10px;
    background-color: #f0f0f0;
    border: 1px solid #ccc;
}