“KEISHA” is a Glass Crystal text effect FontVibe AIで作成した文字エフェクト. 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 premium e-commerce product page mockup on a dark-screen tablet, displaying a ruby gemstone necklace. KEISHA as deep red crystal letterforms as the product name headline, deep crimson internal glow against the dark product page background. Gem font used for luxury e-commerce product typography, online jewelry store headlines, and premium digital retail design.