Geminiプロンプトジェネレーター：使い方、例、そしてプロンプトを試すための最適ツール

テーマ

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Gemini AI対応プロンプト（テキストから画像生成ツール向け）

SF／未来的

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A futuristic city skyline at night, neon lights reflecting in puddles, ultra-detailed skyscrapers, cinematic lighting, atmospheric fog, rendered in 8K.

2

An astronaut floating in deep space, Earth glowing in the background, realistic textures on the suit, dramatic cosmic lighting, high-contrast, photorealistic 4K.

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A cyberpunk robot walking in the rain, neon reflections on wet streets, hyper-realistic metal textures, glowing LED eyes, a cinematic rain effect, and ultra-sharp 8K.

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Gemini AI対応プロンプト（テキストから画像生成ツール向け）

ファンタジー／魔法的

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A fantasy dragon perched on a cliff, overlooking a misty valley, with glowing eyes, massive wings, an epic cinematic atmosphere, highly detailed scales, and a 4K illustration.

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A magical library with floating books, glowing candles illuminating the room, warm golden light, an enchanted atmosphere, a whimsical fantasy style, and ultra-detailed 8K.

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A powerful sorcerer standing in a swirling vortex of energy, conjuring a spell with ancient runes floating around them, dramatic lighting, dynamic アクション, magical effects, and highly detailed fantasy concept art.

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Gemini AI対応プロンプト（テキストから画像生成ツール向け）

自然／風景

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A cozy cottage in a snowy forest, smoke rising from the chimney, a warm glow from windows, soft snowflakes falling, a magical winter mood, and a cinematic 4K render.

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A tropical beach sunrise, waves gently touching golden sand, palm trees swaying, a vivid pastel sky, a cinematic wide-angle view, and ultra-detailed 8K.

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A serene Japanese garden, koi fish swimming in a pond, cherry blossoms falling, sトーン lanterns glowing softly, a tranquil atmosphere, photorealistic 4K.

テーマ

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Gemini AI対応プロンプト（テキストから画像生成ツール向け）

旅行／文化

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A street market in Tokyo, bustling with people, colorful lanterns glowing, neon shop signs, cinematic street photography style, ultra-detailed, 8K realism.

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A vintage steam train passing mountains, smoke curling into the sky, golden hour light, cinematic composition, highly detailed textures, and realistic 4K photography.

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An elegant black-and-white photograph of a 1920s jazz club in Harlem, people dancing, musicians on stage, a sophisticated atmosphere, vintage film grain, high contrast, and a cinematic feel.

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Gemini AI対応プロンプト（テキストから動画生成ツール向け）

都会／モダン

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A morning cityscape timelapse, sun rising over skyscrapers, traffic flowing, cinematic drone shot, realistic light transitions, ultra-detailed 4K.

2

A busy café scene, people chatting, coffee being served, light music playing, cinematic camera pans, a warm atmosphere, and photorealistic textures in 4K.

3

A rainy street at night, neon signs reflecting, cars splashing through puddles, cinematic slow-motion, atmospheric lighting, and hyper-realistic 8K detail.

テーマ

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Gemini AI対応プロンプト（テキストから動画生成ツール向け）

自然／景観

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A forest stream in motion, with leaves falling and sunlight filtering through the trees, featuring both macro and wide shots blended seamlessly, cinematic depth of field, and photorealistic 4K.

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A mountain hike video, footsteps crunching, clouds drifting across peaks, wide-angle cinematic perspective, dynamic sky timelapse, ultra-detailed 8K.

6

A slow-motion waterfall, water cascading, mist forming rainbows, birds flying nearby, cinematic aerial and close-up cuts, and ultra-sharp 4K realism.

7

A sunset on a desert landscape, sand dunes shifting, shadows growing long, golden hour light, sweeping drone shot, photorealistic 8K.

テーマ

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Gemini AI対応プロンプト（テキストから動画生成ツール向け）

ファンタジー／SF

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A fantasy battle scene, featuring dragons flying, swords clashing, and magic sparks glowing, in an epic cinematic style with dramatic lighting and ultra-detailed 8K rendering.

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A cyberpunk city chase, drones hovering, neon lights streaking past, rain dripping, dynamic camera movements, and an 8K cinematic cyberpunk atmosphere.

居心地の良さ／雰囲気

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A cozy fireplace scene, flames flickering, steam rising from a cup of tea, cinematic close-up shots, warm ambient lighting, 4K ultra-realistic.

シーン

Gemini生成プロンプト例：動画スクリプト

シーン1：導入

● 設定: A vibrant, bustling environment (e.g., a coffee shop, a busy street market, or a lively park).

● アクション: Introduce a character who is facing a challenge or a problem. This should be visually clear; maybe they're struggling with a tangled pair of headphones, trying to juggle too many things, or looking frustrated at a complex app on their phone.

● トーン: Fast-paced, a little chaotic, and relatable.

シーン2：解決策

● 設定: A clean, calm, and organized space. This could be the character's home, a modern office, or a minimalist studio.

● アクション: The character discovers or uses the product/service that solves the problem from Scene 1. Show the solution in アクション. For example, if the problem was tangled headphones, the solution is a new, wireless pair. The action should be simple and effortless.

● トーン: Serene, efficient, and satisfying.

シーン3：成果

● 設定: The same location as Scene 1, but with a different feel. It’s now calm and enjoyable for the character.

● Action: The character is now thriving and happy, effortlessly navigating the environment from the first scene. They are no longer struggling. For example, they're now listening to music with their wireless headphones, hands-free and relaxed.

● トーン: Joyful, successful, and empowering.

音楽／効果音

● Scene 1: Upbeat, slightly dissonant music or chaotic sound effects (e.g., muffled conversations, traffic noise).

● Scene 2: A sudden shift to a clean, crisp sound and a simple, elegant musical theme.

● Scene 3: The music from Scene 2 evolves into a fuller and more celebratory arrangement, with a clear, positive soundscape.

ビジュアル

● Use a tight frame and shaky camera work in Scene 1 to emphasize the tension.

● In Scene 2, use smooth, intentional camera movements and bright, clean lighting.

● For Scene 3, use a wider shot to show the character’s newfound freedom and mastery of their environment.