Fitness App Launch Banner — AI-Generated Ad Example

Prompt
16:9 horizontal format, photorealistic real-person centered advertising banner for a fitness app launch. One female subject, 35–40 years old, athletic but natural body type, smiling confidently while looking slightly upward, wearing a fitted pastel pink workout tank top and black leggings, holding a smartphone showing the app interface. Background: bright, airy home gym with large windows, white walls, soft natural light from the side, clean minimal decor, a yoga mat and water bottle visible. Tone: bright, fresh, white-to-off-white base with pastel accent colors, natural lighting, wide margins, clean and hygienic feel. Title at top center: large bold white text with dark outline: 「汗が未来を変える」. Sub-headline bottom center: slightly smaller, also white with outline: 「新しい自分に、今日から。」. Layout: subject slightly right of center, facing left, text on left side and center. No logos, URLs, watermarks, or extra English text. Ensure photorealistic skin texture, DSLR-quality sharpness, natural shadows.
本バナーはフィットネスアプリの新登場を告知するYouTubeサムネイルおよびSNS広告用(16:9横長)です。30代後半の実写風女性をメインに据え、運動経験を感じさせる自然な体型と自信あふれる笑顔で、ユーザーに「自分にもできそう」と思わせる親近感と信頼性を演出しています。
配色は白〜オフホワイト基調にパステルピンク・ミントを差し色に使い、清潔感と爽やかさを強調。自然光をサイドから当てることで立体感を出し、余白を広めにとることで見出し「汗が未来を変える」「新しい自分に、今日から。」の視認性を高めています。小さいサムネイルサイズでも印象に残るデザインを目指しました。
Prompt Overview
This banner is a YouTube thumbnail and SNS advertisement (16:9 landscape) announcing the launch of a new fitness app. Featuring a realistic female in her late 30s as the main subject, with a natural physique that suggests exercise experience and a confident smile, it creates a sense of familiarity and reliability that makes users think, "I could do this too."
The color scheme uses a white to off-white base with pastel pink and mint as accent colors, emphasizing cleanliness and freshness. By applying natural light from the side, a three-dimensional effect is achieved, and ample white space enhances the visibility of the headlines "Sweat changes the future" and "A new you, starting today." The design aims to leave a lasting impression even at small thumbnail sizes.
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