Japanese Periodic Table Poster AI Image Prompt

Type: educational infographic. Subject: periodic table of the elements in Japanese. Style: clean flat textbook poster, crisp vector lines, white background, black text, minimalist scientific layout. Language: Japanese. Canvas: landscape orientation, aspect ratio 16:9, white background, generous outer whitespace. Table: standard 18-column periodic table grid with thin dark gray outlines, square corners, pastel color fill by block (s-block pale blue, d-block pale cream yellow, p-block pale mint green, f-block pale lavender). Atomic number in top-left, chemical symbol in large centered uppercase Latin letters, Japanese element name in small text near bottom. Sections: main periodic table (upper center, 90 elements from H to Og), lanthanides row (bottom left below main table, Ce to Lu), actinides row (bottom left under lanthanides, Th to Lr). Special positions: hydrogen as isolated blue cell top-left, helium as isolated blue cell top-right, lanthanum in main table after Ba, actinium in main table after Ra. Each cell contains atomic number, chemical symbol, Japanese element name (examples: H 水素 1, He ヘリウム 2, Fe 鉄 26, Au 金 79, Og オガネソン 118). Customization: no headline, no visible legend, no visible title on image. Quality: high-resolution, perfectly aligned cells, legible Japanese typography, accurate modern element list up to 118.