「NIEL」は FontVibe AI で作成したクリスタルの文字エフェクトです。純粋な宝石クリスタルから削り出した、ダイヤモンドカットのファセット面。鮮やかな虹色のプリズム分光と高級感あふれる輝きが特徴です。下面には集光模様が映し出されます。

carved from flawless gemstone crystal — each letterform cut with precision faceted geometry following brilliant-cut and emerald-cut diamond principles. Table facet, crown facets, girdle edge, pavilion facets all precisely rendered. Optically pure material: Brilliance (white light return), Fire (rainbow spectral dispersion), Scintillation (extreme facet contrast sparkle). Internal caustic corridors visible. Six-point sparkle flares at letter apexes. Maximum optical drama — every letter a dazzling cut precious gemstone. A square luxury gemstone campaign image featuring exactly “NIEL” as the sole text, arranged in one commanding line across the center and filling roughly three-quarters of the frame width. Keep every letter fully visible, with generous dark space above and below. Set the words against a deep midnight-navy gradient that falls to near-black at the corners, like a jeweler’s vault. A hard overhead pinpoint spotlight strikes the lettering, making its upward-facing facets burn near-white while the recessed planes fall into deep blue-violet shadow. Crisp six-point star flares glint at the letter peaks and key facet intersections. Fine prismatic rainbow beams radiate from the brightest facets, scattering restrained streaks of red, amber, green, and blue across the darkness. Let delicate internal caustic corridors glow within the crystal, emphasizing its clarity and depth without obscuring the exact text. The composition feels like a rare, flawlessly cut gemstone presented for close inspection: precise, dramatic, richly contrasted, and unmistakably luminous. No additional words, symbols, objects, or borders.