.gcm-account-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
    margin: 1rem 0 2rem;
}

.gcm-account-card,
.gcm-member-card {
    border: 1px solid #dcdcde;
    border-radius: 10px;
    background: #fff;
    padding: 1.25rem;
    box-shadow: 0 2px 8px rgb(0 0 0 / 6%);
}

.gcm-member-card {
    max-width: 460px;
    border-top: 8px solid #195b9b;
}

.gcm-member-card__brand {
    color: #195b9b;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .04em;
}

.gcm-member-card__number {
    display: grid;
    gap: .2rem;
    margin: 1.25rem 0;
    padding: 1rem;
    border-radius: 8px;
    background: #eef6ff;
    color: #123f6c;
}

.gcm-member-card__number span {
    font-size: clamp(1.5rem, 6vw, 2.4rem);
    font-weight: 800;
    letter-spacing: .08em;
}

.gcm-account table {
    width: 100%;
    border-collapse: collapse;
}

.gcm-account th,
.gcm-account td {
    padding: .65rem;
    border-bottom: 1px solid #ddd;
    text-align: left;
}

@media (max-width: 640px) {
    .gcm-account table {
        font-size: .9rem;
    }
}