body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f9;
    margin: 0;
    padding: 0;
}

.container {
    width: 80%;
    max-width: 600px;
    margin: 50px auto;
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    padding: 30px;
}

h1 {
    text-align: center;
    font-size: 24px;
    color: #333;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    font-weight: bold;
    margin-bottom: 5px;
    color: #555;
}
.form-group label.input {
    display: inline-block;
    font-weight: normal;
}

.form-group input, .form-group select {
    width: 100%;
    padding: 10px;
    font-size: 16px;
    border: 1px solid #ddd;
    border-radius: 5px;
    box-sizing: border-box;
}

.w100p {
    width: 100%;
}

.w80p {
    width: 80%;
}

.w200px {
    width: 200px;
}

.form-group textarea {
    width: 100%;
    padding: 10px;
    font-size: 16px;
    border: 1px solid #ddd;
    border-radius: 5px;
    box-sizing: border-box;
    resize: vertical;
}

.form-group input[type="radio"] {
    width: auto;
}

.form-group .radio-label {
    display: inline-block;
    margin-right: 15px;
    font-weight: normal;
}

.form-group .error {
    color: red;
    font-size: 14px;
}

.button-container {
    text-align: center;
}

.submit-btn {
    padding: 12px 20px;
    font-size: 18px;
    color: white;
    background-color: #4CAF50;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.submit-btn:hover {
    background-color: #45a049;
}

footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 4px;
    position: fixed;
    width: 100%;
    bottom: 0;
}

footer p {
    margin: 0; /* 上下の余白をゼロに設定 */
    padding: 4px 0; /* 必要であれば上下のパディングを調整 */
}