body {
    background-color: #ffffff;
    font-family: 'Noto Sans JP', sans-serif;
    color: black;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 600px;
    margin: 0px auto;
    padding: 90px 30px;
    background-color: #ffffff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    border-radius: 10px;
    min-height: 100vh;
}

.container h2 {
    text-align: center;
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: #267ab9;
}

form label {
    display: block;
    margin-top: 20px;
    margin-bottom: 5px;
    font-weight: bold;
    color: black;
}

form input[type="text"],
form input[type="email"],
form input[type="tel"],
form textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 1rem;
    box-sizing: border-box;
    color: black;
}

form textarea {
    height: 150px;
    resize: vertical;
}

button[type="submit"] {
    width: 100%;
    padding: 12px;
    margin-top: 30px;
    font-size: 1rem;
    color: white;
    background-color: #267ab9;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.3s;
}

button[type="submit"]:hover {
    background-color: #155f99;
}