body {
    background-color: #f5f7fb;
    font-family: "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
}

fieldset {
    width: 420px;
    margin: 50px auto;
    padding: 10px 50px;
    background: #fff;
    border: 4px solid #000;
    border-radius: 12px;
    box-shadow: 0 30px 40px rgba(0,0,0,0.05);
}

legend {
    font-size: 22px;
    font-weight: bold;
    padding: 0 10px;
    text-align: center;
}

.top-buttons {
    text-align: center;
    margin-top: 40px;
}

.btn-primary {
    display: inline-block;
    padding: 10px 40px;
    margin: 0 4px;
    background: #4f63ff;
    color: #fff;
    text-decoration: none;
    border: none;
    border-radius: 5px;
    font-size: 15px;
    cursor: pointer;
}

.btn-primary:hover {
    background: #3b4ed1;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="password"] {
    width: 100%;
    box-sizing: border-box;
    padding: 6px 8px;
    margin-top: 4px;
}

.submit-area {
    text-align: center;
    margin-top: 20px;
}

p.info {
    text-align: center;
    margin-top: 20px;
}