.bkbg-open-graph-preview-app {
    box-sizing: border-box;
    font-family: var(--bkbg-ogp-bd-font-family, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif);
}
.bkbg-open-graph-preview-app * {
    box-sizing: border-box;
}
.bkbg-ogp-wrap {
    width: 100%;
}
.bkbg-ogp-inner {
    padding: 24px;
}
.bkbg-ogp-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.bkbg-ogp-stack {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.bkbg-ogp-platform-label {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.04em;
    padding: 3px 10px;
    border-radius: 20px;
    margin-bottom: 8px;
    user-select: none;
}
.bkbg-ogp-card-twitter {
    border-radius: 12px;
    overflow: hidden;
    max-width: 504px;
}
.bkbg-ogp-card-facebook {
    border-radius: 4px;
    overflow: hidden;
    max-width: 504px;
}
.bkbg-ogp-card-linkedin {
    border-radius: 2px;
    overflow: hidden;
    max-width: 552px;
}
.bkbg-ogp-card-slack {
    border-radius: 4px;
    overflow: hidden;
    max-width: 520px;
    display: flex;
}
.bkbg-ogp-card-slack-strip {
    width: 4px;
    flex-shrink: 0;
}
.bkbg-ogp-card-slack-body {
    flex: 1;
    padding: 10px 12px 12px;
    display: flex;
    gap: 12px;
}
.bkbg-ogp-card-slack-text {
    flex: 1;
}
.bkbg-ogp-card-slack-thumb {
    width: 80px;
    height: 80px;
    flex-shrink: 0;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    align-self: center;
}
.bkbg-ogp-img-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    user-select: none;
}
.bkbg-ogp-meta {
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.bkbg-ogp-title-twitter {
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 4px;
}
.bkbg-ogp-desc {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: var(--bkbg-ogp-bd-line-height-d, var(--bkbg-ogp-bd-line-height, 1.45));
}

@media (max-width: 640px) {
    .bkbg-ogp-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 1024px) {
    .bkbg-ogp-desc {
        line-height: var(--bkbg-ogp-bd-line-height-t, var(--bkbg-ogp-bd-line-height-d, var(--bkbg-ogp-bd-line-height, 1.45)));
    }
}
@media (max-width: 767px) {
    .bkbg-ogp-desc {
        line-height: var(--bkbg-ogp-bd-line-height-m, var(--bkbg-ogp-bd-line-height-t, var(--bkbg-ogp-bd-line-height-d, var(--bkbg-ogp-bd-line-height, 1.45))));
    }
}