「SAPPHIRE Royal Collection」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. Square 1:1. A luxury royal jewelry brand product card on deep navy background. SAPPHIRE in large royal-blue crystal letterforms as the collection name, 'Royal Collection' in refined gold serif beneath. The sapphire letters glow with deep velvety blue internal color against the midnight background. Sapphire font used for luxury jewelry collection cards, royal blue brand identity, and high-end product stationery.