「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. Create a square luxury gemstone wordmark featuring the exact text “ZNENKAI,” centered as one uninterrupted line and filling roughly three-quarters of the canvas width. Keep every character fully visible, evenly spaced, and unmistakable, with generous dark negative space around the word. Set it against a seamless deep midnight-navy gradient that falls to near-black at the edges, like a jeweler’s vault. A single hard overhead pinpoint spotlight strikes the lettering, igniting near-white brilliance across the brightest facets and deep blue-violet shadow facets in dramatic contrast. Let crisp prismatic rainbow fire beams radiate from selected crown facets, restrained enough to preserve the word’s clarity. Show luminous internal caustic corridors within the gemstone forms and sharp six-point star flares at a few prominent upper edges. The letters appear suspended just above the dark ground, with only a faint, controlled reflection beneath them. Keep the composition clean and focused entirely on the word: no extra text, objects, borders, or decorative clutter. The result should feel like an exceptionally precious cut-gem insignia, precise, brilliant, and instantly legible against darkness.