「FORTY」は FontVibe AI で作成したラグジュアリーバースデーの文字エフェクトです。深く暗い背景に映える、上品な金箔の文字。カラフルな紙吹雪を使わず、洗練された金の文字とほのかな輝きだけで仕上げる、ミニマルな装飾のプレミアムなバースデーエフェクトです。節目のお祝いや高級感のあるカードに最適です。

rendered in luxury gold foil birthday style. Letters in premium metallic gold — gradient from bright gold highlight to deep warm shadow, subtle surface sheen and fine gold dust particles. Deep dark background (near-black or deep navy). Clean minimal composition — no colorful confetti, no colored balloons. Optional fine gold border frame or minimal gold star scatter (≤8 pieces). Wide letter spacing. High contrast gold-on-dark. Premium printing quality aesthetic. FORTY as commanding gold foil letters, centered vertically filling 65% of canvas. Deep navy blue background — rich, not flat black. Letters in luxurious gold metallic finish — gradient from bright gold to deep amber shadow, subtle surface sheen. Below the main text, thin gold divider line, then small caption '40'. Fine gold border frame hugging the canvas edges. Six gold star accents floating near letters. No colorful elements. Bold milestone luxury birthday card aesthetic.