『実験ノート③｜画面比率1:1でも神ショットは作れるのか？』📸🐰

2025年9月28日 18:36

Geminiのモデルチェンジが行われる気配がないので…
今回は 縦長アスペクト比（9:16）の画像を1:1に変換したらどう見えるのか を実験してみました🔬
「Geminiがダメなら他のツールを使えばいいんじゃない？」という声もあると思います。
でも──僕自身は Geminiが生み出す独特の質感や雰囲気が大好きで、どうしても離れられないんです。
ご存じの通り、今のGeminiは 1:1の画像しか生成してくれません⚠️
これまでのように縦長や横長で迫力あるグラビアを作ることはできない。
「これじゃ表現の幅が狭まるのでは？」と思う方も多いでしょう🤔
実際、過去の作例を1:1に落とし込むと──バランスが崩れたり、物足りなく感じるケースもあります。
しかし
「1:1で勝負できない」わけではありません🔥
むしろ工夫次第で、1:1だからこそ映える迫力や親近感✨ を引き出せることが分かってきました。
この記事では、その実験のプロセスと、“神ショット生成”プロンプトを紹介します🚀
さらに、有料パートでは実験ノートでも紹介した「エチエチショット」プロンプト も公開します🍑✨
神ショットで安定感を出しつつ、エチエチ構図でインパクトを狙う──そんな両面のアプローチをぜひチェックしてみてください。

最初にお見せするのは、以前の実験で生成した画像をアスペクト比1:1に変えたものです。
同じ衣装だとちょっと味気ないので、今回はバニーガールにチェンジしてみました🐰✨
お使いになる際は、衣装や背景だけ自由に変えて遊んでみてくださいね🎨

【では、作例をどうぞ📸】

A beautiful 20-year-old Japanese woman. Her long straight hair in a soft pink-ash tone with blunt bangs is fully damp, strands spreading loosely on the white tiled floor with a glossy wet texture. Her large round eyes framed by long delicate lashes gaze directly at the camera, enhancing her alluring presence. Her softly plump pink lips glisten as if moistened, adding sensuality to her refined charm. She lies curled on her side across the clean white tiled bathroom floor in a fetal-like pose. Her right elbow rests on the floor, supporting her head with her right hand in a soft cheek-resting pose. Her left hand is placed gently on the floor in front of her body, balancing her posture. Her legs are bent naturally and drawn slightly toward her torso, emphasizing the curves of her hips and thighs. Her entire body is drenched, water glistening across her skin, with a shallow puddle and foamy bubbles scattered across the tiles beneath her. She is wearing a pure white bunny costume: a satin corset, white bow tie, cuffs, bunny ears, and a small fluffy tail. The satin fabric is soaked, clinging tightly to her body with a wet sheen, while the bunny elements (ears, cuffs, tail) remain crisp and striking against her damp skin. Her smooth radiant skin glows with a luminous moist shine, covered with tiny glistening droplets of water. The background is a modern bathroom with beige walls and white tiles, bright and minimal. Scattered soap suds cover parts of the floor, and a bar of soap and shampoo bottles are placed nearby, adding realistic bath details. The clean surface reflects soft daylight, amplifying the glossy effect of her wet skin and fabric. The camera captures her from a low upward angle from her hips toward her face, emphasizing the curves of her hips and thighs in the foreground, while her face remains in focus as she maintains direct eye contact with the viewer. Aspect ratio 1:1 square. Lighting: soft diffused daylight from above, evenly lit, low contrast, smooth natural shadows, bright clean background. masterpiece, photorealistic

A beautiful young Japanese woman in her early twenties, with long straight dark brown hair flowing naturally in the sea breeze, lightly scattered bangs, large rounded eyes with naturally long eyelashes, smooth radiant skin, a delicately defined nose bridge, and softly plump pink lips with a natural glossy sheen, combining purity and mature elegance. She is reclining sideways on a stone surface by the ocean, one arm lifted behind her head in a relaxed pose, the other arm resting gently. Her body is elegantly curved, with a soft arch in her back that emphasizes her bust. She is wearing a pure pink bunny costume: a satin corset, pink bow tie, cuffs, bunny ears, and a small fluffy tail. The satin fabric reflects the sunlight with a glossy sheen, and the playful bunny details add charm against the natural seaside setting. Her voluptuous bust is highlighted by deep natural cleavage shadows, enhanced by the sunlight to create stronger depth and contrast. Background: a clear blue ocean under the bright afternoon sun, with wind softly moving her hair for a natural and lively effect. Aspect ratio 1:1 square, tight medium framing, dynamic beach gravure style. Strong directional sunlight from the side, deeper shadows on her chest and cleavage, high-contrast lighting. No lighting equipment visible, no softbox, no umbrella, no lamps in frame. Magazine gravure style, masterpiece, best quality, photorealistic, ultra-detailed.

A beautiful young Japanese woman in her early twenties, with long straight pastel pink hair styled with blunt bangs, large rounded eyes with naturally long eyelashes, smooth radiant skin, a delicately defined and slender nose bridge, and softly plump pink lips with a natural glossy sheen. She is in a rocky seaside alcove, her back pressed firmly against a dark wet rock wall. Her entire clothing is soaked, creating a heavy wet texture. She clasps both arms across her chest just beneath her bust, gently lifting her chest upward in a natural, supportive gesture. Her posture is upright, with her back straightened, no forward lean, creating a poised and confident presence. She gazes directly into the camera with a neutral, expressionless face — intense and unflinching. She is wearing a pure white bunny costume: a satin corset, white bow tie, cuffs, bunny ears, and a small fluffy tail. The satin fabric clings tightly to her wet skin with a glossy sheen, accentuating her curves. A soft but well-defined cleavage is visible, emphasized by her arms pressed beneath her bust. Her bare shoulders are exposed, enhancing the bold and sensual atmosphere. Eye-level camera angle, close-up bust-up framing (from chest to top of head), natural frontal perspective. Strong side sunlight filtered through rocks, dramatic contrast, cinematic mood, wet sheen highlights on skin and fabric. Aspect ratio 1:1 square, captured with an 85mm lens for natural telephoto compression and small-face impression. Photorealistic, ultra-detailed, masterpiece, magazine gravure style. Expressionless gaze, soaked clothing, arms crossed beneath bust lifting chest, straightened posture, visible cleavage emphasized, bare shoulders exposed. No lighting equipment visible, no softbox, no umbrella, no lamps in frame.

A beautiful young Japanese woman in her early twenties, with long straight ash-pink hair styled with blunt bangs, large round eyes framed by long natural eyelashes, smooth radiant skin, and softly plump pink lips with a glossy sheen. She is kneeling low at the edge of the ocean on the sandy beach, leaning forward with both hands pressed firmly into the wet sand. Her upper body is tilted slightly forward, emphasizing her cleavage and neckline, while her intense gaze is fixed directly at the viewer. She is wearing a pure white bunny costume: glossy satin corset with boning, white bow tie, crisp white cuffs, and a simple white headband (no bunny ears). The wet fabric clings tightly to her body with a reflective sheen, accentuating the curves of her bust and torso. Her skin is covered with a natural wet shine, sunlit and radiant. Lighting: strong direct midday sunlight, high-contrast highlights and shadows, sunlight falling directly on her face and chest, with strands of wet hair casting subtle shadows across her face for a natural effect. Camera: placed directly at sand level, extreme low-angle close-up shooting upward. Dramatic foreshortening makes her bust and torso appear dominant in the foreground, while her face remains sharply in focus above. Background: blurred clear blue ocean waves and bright blue sky, wide sandy beach beneath her hands. Aspect ratio: 1:1 square. Style: photorealistic, ultra-detailed, masterpiece, magazine gravure style.

「ここまでは、これまでの実験で作った縦長画像を、あえて1:1に変換した作例をご紹介しました📸
衣装や背景を変えるだけでも十分遊べる、ということが伝わったと思います。」🐰

ここからが今回のnoteの 一番の見どころ👀✨ です。
アスペクト比1:1で“神ショット級画像を連発できるプロンプト”を公開します📱
以前はポーズ指定なしでも次々とグラビア級の1枚が出ていましたが、現在はモデルの挙動により再現率に波があります。
それでも条件がハマれば圧倒的に映える作品を生み出せるのは間違いありません🔥
さらに今回は、より攻めた構図を狙える 「お尻アングル特化プロンプト」 も紹介します🍑✨
安定感とインパクト──両方をバランスよく使い分けることで、表現の幅が一気に広がります。詳細は有料パートで👇

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