「shadow」は FontVibe AI で作成したアニメの文字エフェクトです。少年マンガのタイトル文字。手描きの太い黒フチ、ハイライトと影をくっきり分けたセルシェーディング、勢いよく傾いた文字と、白地に放射状の集中線。

rendered as Japanese shounen anime title treatment — bold hand-inked manga lettering with authentic cel-shaded visual energy. Letter construction follows classic Shonen Jump title card standards: thick black ink outline with natural brush-weight variation defining each letter boundary; flat cel-shading fill with three hard-edge zones — bright highlight zone on upper letter face, highly saturated primary color zone at center, deep shadow zone at lower edge; all zone boundaries knife-edge hard, zero gradient blur, pure flat offset-print ink physics. Energy signature: high-contrast color + thick ink outline = letters that look physically printed on manga paper. The typographic language of Dragon Ball, Naruto, One Piece, Demon Slayer, Jujutsu Kaisen title cards — maximum manga kinetic energy, iconic and immediately recognizable as Japanese anime title typography. SHADOW rendered as a single iconic shounen manga chapter title — deep and atmospheric, letters carrying the weight of a demon-marked anti-hero reveal moment. Background: pure ink-black void with sparse radial speed lines emanating outward in cool dark tones, fading into the negative space like a cursed energy aura dissolving into darkness. Each letter built with thick black ink outline, brush-weight swelling at corners for maximum manga physicality; flat cel-shaded three-zone fill — icy silver-white highlight stripe along upper letter face, deep desaturated violet-blue primary zone at center mass, near-black indigo shadow zone at lower edge; all zone transitions knife-edge hard, printed flat ink physics. Scattered impact marks and jagged tension lines frame the letter cluster like a Demon Slayer or Jujutsu Kaisen villain title card. The overall emotional register is cold, ominous, and powerful — the visual silence before a cursed technique detonates. Ink texture is dense and tactile, letterforms feel physically pressed into manga paper, emanating dark kinetic authority.