body {
    font-family: 'Zen Maru Gothic', sans-serif;
    background: #f3faf4;
    color: #333;
    margin: 0;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    box-sizing: border-box;
}

.back-btn {
    align-self: flex-start;
    margin-bottom: 15px;
    text-decoration: none;
    color: #555;
    font-weight: bold;
    background: white;
    padding: 8px 16px;
    border-radius: 20px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.container {
    width: 100%;
    max-width: 480px;
    text-align: center;
}

h1 {
    font-size: 1.4rem;
    color: #2e7d32;
    margin: 10px 0 8px;
}

.lead {
    color: #666;
    font-size: 0.9rem;
    margin: 0 0 24px;
}

.hidden { display: none; }

.main-btn {
    display: inline-block;
    width: 100%;
    box-sizing: border-box;
    padding: 15px;
    font-size: 1.05rem;
    font-family: inherit;
    font-weight: bold;
    color: white;
    background: #2e7d32;
    border: none;
    border-radius: 15px;
    cursor: pointer;
    text-decoration: none;
    box-shadow: 0 4px 10px rgba(0,0,0,0.12);
    margin-bottom: 12px;
    transition: transform 0.1s;
}
.main-btn:active { transform: scale(0.97); }

#progress-text {
    font-size: 0.85rem;
    color: #888;
    font-weight: bold;
    margin-bottom: 10px;
}

#question-text {
    font-size: 1.1rem;
    font-weight: bold;
    color: #2c3e50;
    margin: 0 0 20px;
    min-height: 3.2em;
}

.choices {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.choice-btn {
    background: white;
    border: 2px solid #dcefe0;
    border-radius: 14px;
    padding: 14px;
    font-size: 0.95rem;
    font-family: inherit;
    text-align: left;
    cursor: pointer;
    transition: 0.15s;
}
.choice-btn:hover {
    border-color: #2e7d32;
    background: #f3faf4;
}

.result-card {
    background: white;
    border-radius: 20px;
    padding: 30px 20px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
    margin-bottom: 20px;
}

.result-icon {
    width: 96px;
    height: 96px;
    margin-bottom: 12px;
}

#result-title {
    font-size: 1.3rem;
    color: #2e7d32;
    margin: 0 0 12px;
}

#result-desc {
    font-size: 0.92rem;
    color: #555;
    line-height: 1.7;
    margin: 0;
    text-align: left;
}

.quiz-link-btn { background: #fb8c00; }
.retry-btn { background: #78909c; }
.share-btn { background: #1da1f2; }

.seo-text-box {
    margin-top: 30px;
    background-color: #fff;
    padding: 22px;
    border-radius: 15px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    max-width: 480px;
    width: 100%;
    box-sizing: border-box;
    text-align: left;
    color: #555;
    font-size: 0.9rem;
    line-height: 1.6;
}
.seo-text-box h2 {
    font-size: 1.05rem;
    color: #333;
    margin-top: 0;
    margin-bottom: 10px;
    border-bottom: 2px solid #eee;
    padding-bottom: 8px;
}