Write a Ghibli prompt as a layered stack: subject and setting, hand-painted medium keywords (soft watercolor, cel shading, lush background detail), warm natural lighting, slow gentle motion language, and a negative prompt banning photorealism and other anime styles — then lock that wording as one reusable style block prefixed to every generation.
Start by writing the style block once, before any shot prompt. The pattern that works is an emphatic constraint paragraph, not a list of adjectives — one documented animated-episode production locked its painterly look with the line "This MUST look and feel like Arcane animation — not live action, not photorealistic. Every surface has hand-painted brushstroke texture," and every prompt after that started with it. Your Ghibli version reads the same way: "This MUST look and feel like hand-drawn Studio Ghibli animation — not live action, not photorealistic, not 3D render. Every frame painterly, watercolor backgrounds, cel-shaded characters."
1. Anchor the look with proven keywords. Build the visual core of each prompt from this set: soft watercolor backgrounds, cel-shaded characters, warm afternoon light, lush background detail, gentle breeze through grass, painterly cumulus sky, hand-drawn animation, muted earth tones, Hayao Miyazaki aesthetic, slow dreamy motion. Use five to seven per prompt, not all ten — overloading dilutes adherence.
2. Assemble every prompt in a fixed order. A documented multi-film series held a 9-element assembly order across every frame: camera spec, lens and aspect ratio (in your film's format), lighting source, palette, composition, atmosphere, mood register, style attribution, negative prompt. Keeping the order identical shot to shot is what keeps the style identical shot to shot — re-improvising prompt structure per scene is where drift starts.
3. Name the sub-style, not just the studio. "Studio Ghibli" alone averages across very different films, so steer with a film reference and matching palette words: a rural nostalgic tone (sunlit meadows, soft greens, summer haze — Totoro territory), a mythic forest tone (moss, mist, darker desaturated greens — Mononoke territory), or an ornate bustling tone (lantern light, saturated reds and golds, dense interiors — Spirited Away territory). Switching sub-styles is a two-or-three-word palette edit, not a rewrite.
4. Prompt the motion like Ghibli moves. The style lives in pacing as much as paint: write slow dolly, gentle pan, wind moving through grass and hair, long held moments, characters pausing before they act. Fast cuts and dynamic action-anime camera language will read as generic anime even with perfect color.
5. Write the negative prompt explicitly. Exclude photorealistic, live action, 3D render, hyperreal skin, and adjacent anime sub-genres (shonen action styling, mecha). Documented style-lock work shows the prohibition matters as much as the description — models drift toward realism unless told not to.
Beyond the prompt wording itself: rather than re-pasting the style block into every shot, the invideo agent can hold it in persistent context for the whole project — one production saved its art style once with the instruction "save it into context for further generations" and never re-explained the look — and when text-only prompting misses the Ghibli palette, generate and approve a still in the locked style first, then animate that image.
Watch some of these to see what works for you:
This MUST look and feel like Arcane animation — not live action, not photorealistic. Every surface has hand-painted brushstroke texture. Every element in frame must feel painterly and handcrafted like a moving Arcane frame.
— invideo's creative team, from a documented animated-episode production