.namegenran-container {
    background: #fff;
    padding: 15px;
    border: 1px solid #ddd;
    width: auto;
    margin: 20px auto;
    text-align: center;
    box-shadow: 0px 0px 0px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

.namegenran-button {
    background: #0073aa;
    font-weight: bold;
    font-size: 16px;
    color: white;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
    border-radius: 3px;
    transition: background 0.3s ease;
    margin-top: 15px;
    width: 100%;
}

.namegenran-button:hover {
    background: #005177;
}

.namegenran-button:active {
    transform: scale(0.95);
}

.namegenran-container select,
.namegenran-container input[type="number"],
.namegenran-container input[type="text"] {
    margin-bottom: 5px;
    padding: 5px;
    font-size: 14px;
    width: 100%;
}

.namegenran-box {
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 10px;
    margin: 10px 0;
    background: #f9f9f9;
    font-size: 24px;
    font-weight: bold;
    text-align: center;
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
}

/* Responsive Layout */
@media (max-width: 768px) {
    .namegenran-container > div {
        flex-direction: column !important;
    }
}