/* 4개 공유 버튼 스타일 (Facebook, X, Telegram, LINE) */
.share4{display:flex;gap:8px;align-items:center}
.share4 .sb{width:36px;height:36px;border-radius:6px;border:0;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:transform .15s ease, box-shadow .15s ease,color .15s ease,background-color .15s ease;color:#fff;font-weight:600;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}
.share4 .sb:hover{transform:translateY(-1px);box-shadow:0 4px 10px rgba(0,0,0,.12)}
.share4 .sb svg{width:18px;height:18px;display:block;fill:currentColor}

/* Brand backgrounds */
.share4 .sb-fb{background:#1877F2}
.share4 .sb-x{background:#0F1419}
.share4 .sb-tg{background:#2AABEE}
.share4 .sb-line{background:#00C300}

/* High contrast focus */
.share4 .sb:focus{outline:2px solid #111;outline-offset:2px}


