「院書羅保聖」は FontVibe AI で作成した中国墨絵ブラシの文字エフェクトです。中国の墨（すみ）による筆文字書道のスタイルをラテン文字に応用しました。深い黒墨に本物の筆先の質感、太細のはっきりした筆致の変化、そして画仙紙の趣を備えています。中華レストランのブランディング、武術、ウェルネス、文化的なデザインに最適です。

rendered in Chinese ink brush calligraphy style. Letterforms painted with a fully loaded sumi ink brush — deep black ink, visible bristle marks along stroke edges, wet ink pooling at stroke starts, feathered dry-brush trailing ends. Authentic ink density variation: thick rich black cores fading to grey at thin passages. Rice paper texture visible behind. Traditional Chinese calligraphy energy — each stroke confident, intentional, irreversible. LETTERFORM PRIORITY: when the chosen font carries its own treatment, that font's letterform shapes take priority and own the letters; this style governs the sumi ink medium, the bristle and ink-density behavior and the rice-paper ground. FALLBACK MATERIAL: if the font carries no material of its own, render the letters as deep black sumi brush strokes with visible bristle marks, wet ink pooling at stroke starts and feathered dry-brush trails on rice paper. COLOR PRIORITY: keep the font's own colors if specified; otherwise rich black ink fading to grey at thin passages. Create a finished, restrained calligraphy artwork featuring exactly the five characters “院書羅保聖,” arranged in a single vertical column and read from top to bottom. Let the characters dominate the central field, large and carefully spaced, with a slight rhythm of changing scale that gives the column the presence of a hand-composed work rather than a mechanical stack. Preserve generous untouched paper around the lettering so its expressive brush energy has room to breathe. Use a softly aged ivory xuan-paper ground, with fine visible fibers and subtle tonal variation. Behind the column, add only a very faint, atmospheric ink wash: pale grey mountain contours dissolving into paper near the lower edge, never competing with the words. Place one small vermilion seal impression near the bottom corner, clearly separate from the characters and containing no legible additional writing. Keep the overall composition balanced, quiet, and deliberate, with luminous blank space and the impression of an authentic calligrapher’s finished sheet. The five requested characters must remain the sole prominent text, with no captions, border, or extra lettering.