「ZNENKAI」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 the exact word “ZNENKAI” as the sole text, arranged on one commanding line and centered slightly above the vertical midpoint. Let the word span most of the canvas width, with generous dark breathing room around it so every facet and sparkle reads clearly. The letters hover in a jeweler’s vault, suspended above a glossy midnight-navy floor that catches a faint, broken reflection. Behind them, a subtle navy-to-black gradient falls into near-total darkness at the edges. A single hard overhead pinpoint spotlight strikes the lettering, driving near-white brilliance across the lit facets and deep blue-violet shadow across the opposing facets. Crisp six-point star flares punctuate a few prominent upper corners without obscuring the word. Fine prismatic rainbow beams radiate from selected crown facets, while delicate internal corridors of refracted light glow through the crystal. Keep the surrounding scene restrained: only a trace of atmospheric sparkle and a narrow pool of reflected light beneath the word. Make the exact spelling instantly legible, with no additional lettering, symbols, objects, or decorative frame. The overall image should feel like a rare cut-gem reveal: precise, dramatic, opulent, and sharply defined against deep darkness.