プロンプト

Atmospheric maritime minimalism: a tiny distant sailboat reduced to a white triangular silhouette, positioned off-center on a fog-covered open sea and naturally surrounded by layered horizontal mist. Use a restrained palette of fog gray, muted sea green, and ivory, with diffused early-morning luminance and no visible sun. Wistful, expansive, serene, with controlled visual noise, no text, watermark, logo, border, UI, or interface elements.

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