/* Version: 2.0.1 */
#idt-diagnostic-tool {
    font-family: 'Hiragino Kaku Gothic ProN', 'ヒラギノ角ゴ ProN W3', Meiryo, メイリオ, sans-serif;
    max-width: 650px;
    margin: 30px auto;
    padding: 30px;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    background-color: #ffffff;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.question-step, .result-step {
    padding: 10px;
    text-align: center;
}

.question-title {
    color: #2c3e50;
    font-size: 1.8em;
    margin-bottom: 30px;
    border-bottom: 2px solid #3498db;
    padding-bottom: 10px;
    display: inline-block;
}

.options {
    margin-bottom: 20px;
}

input[type="radio"] {
    display: none;
}

label {
    display: block;
    background-color: #ecf0f1;
    color: #555;
    padding: 15px 25px;
    margin: 10px 0;
    border-radius: 8px;
    font-size: 1.1em;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

input[type="radio"]:checked + label {
    background-color: #3498db;
    color: white;
    font-weight: bold;
    transform: scale(1.02);
}

label:hover {
    background-color: #dbe4e6;
}

button {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 12px 30px;
    margin: 15px 5px 0;
    cursor: pointer;
    border-radius: 8px;
    font-size: 1.1em;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #2980b9;
}

.prev-step-btn {
    background-color: #bdc3c7;
}

.prev-step-btn:hover {
    background-color: #aeb6b8;
}

#idt-result-content {
    text-align: center;
    padding: 20px 0;
}

.result-message {
    font-size: 1.2em;
    line-height: 1.8;
    color: #333;
    margin-bottom: 25px;
}

.cta-link {
    display: inline-block;
    background-color: #e74c3c;
    color: white;
    padding: 15px 35px;
    text-decoration: none;
    border-radius: 8px;
    font-size: 1.2em;
    font-weight: bold;
    margin-top: 15px;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.cta-link:hover {
    background-color: #c0392b;
    transform: translateY(-2px);
}
.cta-booking {
    background-color: #2ecc71;
}
.cta-booking:hover {
    background-color: #27ae60;
}