Japanese Tablet Brand Concept Sheet

Prompt

{"type":"Japanese fashion product concept art sheet","format":"single-page vertical concept board on warm off-white paper","overall_style":"soft watercolor and pencil illustration, delicate hand-drawn fashion design rendering, muted beige background washes, fine ink annotations, editorial concept-art layout, gentle natural lighting, premium lifestyle branding","language":"Japanese visible headings and notes","main_subject":{"character":"young woman model with intentionally obscured facial features using smooth skin-tone rectangular masks, no visible eyes or mouth","hair":"{argument name=\"hair color\" default=\"dark brown\"} hair parted center and gathered into a low messy bun","outfit":"{argument name=\"outfit description\" default=\"white puff-sleeve blouse with lace front, pink suspender pinafore dress with pleated mini skirt, white ankle socks, beige Mary Jane shoes\"}","pose":"standing gracefully while holding a thin tablet beside her face, calm friendly school-to-lifestyle brand mood"},"product":{"device":"{argument name=\"device name\" default=\"Hassbald\"} thin tablet","appearance":"simple sleek metallic gray tablet, rounded corners, small camera dot, subtle logo on back","theme":"future learning device that feels close, gentle, and easy to use"},"layout":{"title_area":{"position":"top left","main_title":"コンセプトアート","subtitle":"未来の学びを、やさしく身近に。","notes":"small handwritten Japanese concept copy under the title"},"centerpiece":"full-body front view of the woman in the pink dress holding the tablet upright near her head","large_left_illustration":"cropped bust portrait of the same woman holding the gray tablet close to her face, occupying the left half of the page","right_top_portrait":"head-and-shoulders study of the same character with obscured face and low bun hairstyle, surrounded by beige brush wash","right_middle_device_panel":{"title":"デバイスデザイン","position":"middle right","count":1,"labels":["シンプル","薄型","高級感のあるメタリックカラー"]},"right_middle_outfit_panel":{"title":"衣装デザイン","position":"lower middle right","count":1,"labels":["白シャツで清潔感と知性を","ピンクのサスペンダースカートで親しみやすさをプラス","動きやすく若々しい印象に"]},"back_view_panel":"small rear-view fashion sketch showing crossed pink suspenders tied in a bow over the white blouse and pleated skirt","rough_sketch_panel":{"title":"ラフ案","position":"bottom right","count":4,"labels":["front pose holding tablet","front pose relaxed","back ...