/* 追加・修正する内容 */
body {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

*, *::before, *::after {
    box-sizing: inherit;
}

.ghostgate-2fa-wrapper {
    max-width: 400px;
    margin: 100px auto;
    padding: 40px 30px;
    border: 1px solid #ccc;
    border-radius: 8px;
    background-color: #f9f9f9;
    text-align: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    font-family: sans-serif;
}

.ghostgate-2fa-wrapper h2 {
    font-size: 20px;
    margin-bottom: 20px;
}

.ghostgate-2fa-wrapper input[type="text"],
.ghostgate-2fa-wrapper input[type="submit"] {
    width: 100%;
    padding: 12px;
    font-size: 18px;
    margin-bottom: 20px;
    border-radius: 6px;
    box-sizing: border-box; /* ← ✅追加 */
}

.ghostgate-2fa-wrapper input[type="text"] {
    border: 1px solid #aaa;
}

.ghostgate-2fa-wrapper input[type="submit"] {
    background-color: #0073aa;
    color: white;
    border: none;
    cursor: pointer;
}

.ghostgate-2fa-wrapper input[type="submit"]:hover {
    background-color: #005f8d;
}