.epc-wrapper {
    max-width: 750px;
    margin: 30px auto;
    padding: 30px;
    background: #ffffff;
    border-radius: 10px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    font-family: -apple-system, BlinkMacSystemFont, sans-serif;
}

.epc-wrapper h2 {
    border-left: 6px solid #0073aa;
    padding-left: 10px;
}

.epc-section {
    margin-bottom: 25px;
    padding: 15px;
    background: #f7f9fb;
    border-radius: 6px;
}

.epc-danger {
    border: 1px solid #ffccc7;
    background: #fff2f0;
}

button {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    background: #0073aa;
    color: #fff;
    cursor: pointer;
}

#epc-result {
    margin-top: 20px;
    padding: 18px;
    border-radius: 6px;
    font-weight: bold;
}

.epc-ok { background:#e6f7ff; color:#0050b3; }
.epc-caution-result { background:#fffbe6; color:#ad6800; }
.epc-ng { background:#fff1f0; color:#a8071a; }

.epc-disclaimer {
    font-size: 12px;
    margin-top: 20px;
    color: #666;
}