แบนเนอร์โปรโมตสัมมนาฤดูหนาวสุดหรู

A luxurious Japanese seminar advertisement banner for [Claude Code slide creation course], styled like a premium winter campaign visual for social media. Wide horizontal 16:9 banner format with a bright ivory, champagne-gold, and black color palette featuring glossy metallic textures, high-contrast typography, and delicate holiday sparkle effects. Composition and Layout: Split layout with promotional copy filling the left two-thirds and an elegant female presenter on the right third. Cream-white background with soft bokeh circles, gold glitter dust, subtle snowflake ornaments, tiny starbursts, thin diagonal gold corner lines, and subtle laurel embellishments, suggesting a subtle decorative gold border without fully enclosing the frame. Top Badges: Exactly two black-and-gold beveled pill tabs along the top edge: left badge displays a diamond icon with the text "AI SLIDE SEMINAR"; right badge displays a crown icon with the text "CODEX LESSON". Main Text Content: Premium Japanese serif and gothic typography with clear hierarchy. The headline reads 「圧倒的に」 in large embossed gold serif kanji, followed by "Claude Code" in prominent black serif letters, and 「スライド作成講座」 in bold black typography. Below, a gold ribbon banner with a clock icon displays 「今日の2時間で」. Directly beneath, an oversized gold numeral "10" paired with 「枚構成に変わります」 in black and gold lettering, framed by small gold laurel branches. Right-Side Presenter: A stylish adult female presenter shown from mid-thigh up, standing with arms crossed, wearing a tailored black blazer over a black top, fine gold necklace, bracelet, and earrings, with long wavy brown hair. Her face is covered by a clean, semi-translucent vertical brown rectangular privacy blur, while her hair, jewelry, and clothing stay crisp and detailed. Right-Side Callout Banner: Over the presenter's midsection, a slanted glossy black ribbon with metallic gold edging and sparkles displays 「初心者でも強い。」 with 「強い」 highlighted in gold. Underneath, three centered lines of small crisp white Japanese text: 「AIで資料作成を効率化し、」, 「スライドもLPも」, 「会話で形にする実演講座」, finished with a miniature gold ornamental flourish below. Style: High-end commercial graphic design combining realistic portrait photography, Japanese flyer typesetting, metallic gold foil embossing, and festive winter illumination.