/* Stereo Future Publisher — 記事内の画像クレジット・SNS・出典 */

.stfm-eyecatch-credit {
    margin: 0 0 1.5em;
    font-size: 0.75em;
    opacity: 0.7;
    text-align: right;
}

.stfm-figure figcaption {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.25em 1em;
    font-size: 0.8em;
}

.stfm-credit,
.stfm-credit a {
    font-size: 0.9em;
    opacity: 0.75;
    color: inherit;
}

.stfm-social-posts,
.stfm-sources {
    margin-top: 2.5em;
}

.stfm-social-posts ul,
.stfm-sources ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.stfm-social-item {
    margin: 0 0 1.5em;
    padding: 1em 1.25em;
    border: 1px solid rgba(128, 128, 128, 0.35);
    border-radius: 8px;
    list-style: none;
}

.stfm-social-heading {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5em;
    margin: 0 0 0.5em;
}

.stfm-social-heading time {
    font-size: 0.85em;
    opacity: 0.7;
}

.stfm-social-platform {
    display: inline-block;
    padding: 0.1em 0.6em;
    border-radius: 999px;
    font-size: 0.75em;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: #fff;
    background: #555;
}

.stfm-social-x { background: #000; border: 1px solid rgba(255, 255, 255, 0.3); }
.stfm-social-instagram { background: linear-gradient(45deg, #f58529, #dd2a7b, #8134af); }
.stfm-social-threads { background: #000; border: 1px solid rgba(255, 255, 255, 0.3); }
.stfm-social-youtube { background: #e00; }
.stfm-social-tiktok { background: #111; border: 1px solid #25f4ee; }
.stfm-social-facebook { background: #1877f2; }
.stfm-social-bluesky { background: #0085ff; }
.stfm-social-linkedin { background: #0a66c2; }

.stfm-social-summary {
    margin: 0 0 0.75em;
    line-height: 1.8;
}

.stfm-social-embed {
    display: flex;
    justify-content: center;
}

.stfm-social-embed blockquote {
    width: 100%;
    max-width: 550px;
    margin: 0 auto !important;
}

.stfm-social-embed .tiktok-embed {
    max-width: 605px;
    min-width: 325px;
}

.stfm-video {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
}

.stfm-video iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.stfm-social-link {
    margin: 0;
}

.stfm-social-link a {
    display: inline-block;
    padding: 0.4em 1em;
    border: 1px solid currentColor;
    border-radius: 999px;
    font-size: 0.85em;
    text-decoration: none;
}

.stfm-sources li {
    margin: 0 0 0.6em;
    padding-left: 1em;
    text-indent: -1em;
    line-height: 1.7;
}

.stfm-sources li::before {
    content: "・";
}

.stfm-as-of {
    margin-top: 1em;
    opacity: 0.7;
}