body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', sans-serif;
    background-color: #f9f9f9;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.signup-container {
    background: #fff;
    padding: 40px;
    border-radius: 12px;
    width: 480px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    text-align: center;
}

h2 {
    margin-bottom: 24px;
    font-size: 22px;
    color: #333;
}

.terms-box textarea {
    width: 100%;
    height: 200px;
    resize: none;
    padding: 16px;
    border-radius: 8px;
    border: 1px solid #ccc;
    background: #fafafa;
    font-size: 14px;
    line-height: 1.5;
    color: #333;
    box-sizing: border-box;
}

.btn-group {
    margin-top: 24px;
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    padding: 10px 20px;
    border: none;
    font-weight: bold;
    font-size: 14px;
    text-decoration: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

    .btn.agree {
        background-color: #8000ff;
        color: white;
    }

        .btn.agree:hover {
            background-color: #5c00cc;
        }

    .btn.cancel {
        background-color: #ccc;
        color: #333;
    }

        .btn.cancel:hover {
            background-color: #999;
        }

/* ✅ 모바일 대응 스타일 추가 */
@media (max-width: 480px) {
    .signup-container {
        width: 90%;
        padding: 20px;
    }

    h2 {
        font-size: 20px;
    }

    .terms-box textarea {
        height: 180px;
        font-size: 13px;
        padding: 12px;
    }

    .btn {
        width: 100%;
        padding: 12px;
        font-size: 16px;
    }

    .btn-group {
        flex-direction: column;
        gap: 12px;
    }
}