「60」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. The rendered text "60" formed from optically pure, precision-cut crystal gemstone, each numeral built as a monumental faceted object with brilliant-cut crown planes, broad table facets, razor-sharp girdle edges, and deep pavilion facets. The anniversary number carries dominant visual scale, with the hollow counter of the 0 acting as a dark crystal aperture filled with refracted blue-violet shadows. Deep midnight navy dissolving into near-black jeweler's-vault darkness surrounds the numerals. A hard overhead pinpoint spotlight strikes the upper facet planes, creating near-white light return, while lower planes fall into saturated indigo and violet shadow. Sharp six-point starburst flares ignite at major facet apexes and along the outer edges. Thin prismatic rainbow fire beams split from the crystal surfaces in red, cyan, amber, and violet spectral streaks. Internal caustic corridors, trapped reflections, and refracted pinpoints travel through the transparent crystal volume. Glossy black reflective floor catches fractured diamond-like highlights beneath the numerals. Ultra-clean product-photography finish, ray-traced refraction, dispersion, high facet contrast, crisp micro-bevels, 8k optical detail.