「StarGirl」は FontVibe AI で作成したレインボーの文字エフェクトです。鮮やかな多色レインボーグラデーションの文字エフェクトです。滑らかな色の移り変わり、プリズムのような光、そして陽気で色彩豊かなタイポグラフィが特徴です。

rendered as rainbow text effect — COLOR (mandatory): each individual letter must contain a complete ROYGBIV rainbow gradient top-to-bottom within itself — top=red, upper=orange, mid=yellow-green, lower=blue-indigo, bottom=violet. NOT one color per letter. NOT a gradient across the whole word. Every letter is its own complete rainbow. Full chroma Pride flag saturation — not pastel, not muted, not shifted to any single hue. TikTok/Instagram Reels thumbnail in 9:16 vertical format: 'StarGirl' in holographic rainbow letters as the main title overlay on a vertical video frame. Dark background with colorful neon bokeh lights. The holographic iridescent letters are vivid and eye-catching against the dark background. VTuber or beauty creator using holographic rainbow text as their channel identity or video title card.