Yohaku Coffee Cafe Announcement Poster

{"type":"square social media app announcement poster for a fictional Japanese coffee brand","style":"minimal premium lifestyle design, warm beige and olive-gray palette, soft natural sunlight, calm Japanese cafe atmosphere, editorial magazine layout, elegant serif typography mixed with spaced small caps, subtle thin divider lines and botanical line art","canvas":{"aspect_ratio":"1:1","size":"1024x1024","background":"warm off-white paper texture with muted gray-green and charcoal side panels"},"brand":{"name":"{argument name=\"brand name\" default=\"余白珈琲\"}","romanized_name":"Y O H A K U  C O F F E E","logo":"simple thin-line oval emblem containing a small coffee cup, a sprig, and tiny dots, placed in the upper-left olive panel"},"photography":{"scene":"sunlit cafe tabletop still life with realistic shadows from a leafy branch","main_objects_count":4,"main_objects":["ceramic latte cup on matching saucer with rosetta latte art, centered lower-left","single slice of coffee cheesecake or tart on a beige plate with whipped cream, two coffee beans, tiny herb garnish, and a gold fork, lower-right","small clear glass vase with water and a leafy green branch, upper-right","minimal printed card or booklet partially visible in the lower-left foreground"],"lighting":"late morning window light from upper right, long soft shadows, warm highlights, shallow editorial realism"},"layout":{"sections_count":7,"sections":[{"position":"upper-left vertical olive panel","content":"logo plus brand name 余白珈琲 and spaced English Y O H A K U C O F F E E"},{"position":"left off-white vertical strip","content":"vertical Japanese copy: 心に余白を。暮らしに、いい時間を。 with a thin vertical line"},{"position":"top-center","content":"small label NEW POST with a short underline"},{"position":"center","content":"large Japanese headline {argument name=\"headline text\" default=\"余白珈琲\"}"},{"position":"below headline","content":"thin horizontal divider lines with a small center dot, followed by subheadline {argument name=\"subheadline text\" default=\"一杯の余白で、日常を整える。\"}"},{"position":"right charcoal vertical strip","content":"vertical English text Y O H A K U / C O F F E E / T O K Y O with a thin vertical line"},{"position":"bottom beige footer","content":"centered spaced text coffee / sweets / calm time with underline, plus a lower-right circular stamp containing {argument name=\"stamp text\" default=\"余白が、いちばんのぜいたく。\"} and a tiny botanical sprig"}]},"composition":"large headline occupies the upper middle, product photography fills the lower half, structured asymmetrical side panels frame the image, lots of negative space, delicate circular line accents near the corners","typography":"Japanese Mincho-style serif for the headline, small caps tracking for English labels, refined and airy spacing","mood":"quiet, sophisticated, restorative, suitable for announcing a new blog post or Shopify store case study for a Tokyo Nakameguro cafe goods brand","negative_prompt":"no people, no clutter, no bright saturated colors, no cartoon style, no heavy drop shadows, no distorted text, no extra logos"}