Create a brand-new square poster for a Japanese member-exclusive event.
Accurately present the text “会員限定キャンペーン”“第1弾 8.01-8.07”“第2弾 8.15-8.21”“合計1,500ポイント還元”.
Use deep cyan, coral orange, yellow, cream white, and violet.
Reorganize horizontal information into a square format, using two large numbered vouchers to highlight two phases.
Place reward points prominently in the center, ensuring all text is clear and easy to read.
Include only universal gold coins and calendar icons.
Do not feature railway names, brands, logos, URLs, QR codes, watermarks, or fine print.
Output a high-quality static PNG.
