Japanese LINE Registration Poster

{
  "type": "Japanese promotional poster flyer",
  "purpose": "LINE registration guide for a coworking space",
  "style": "clean corporate flat design, modern Japanese advertising layout, vector icons, white background with bold blue and green accents, high readability, print-ready poster composition",
  "brand": {
    "name": "Voltage Nagoya",
    "category": "coworking space",
    "header": "コワーキングスペース {argument name=\"venue name\" default=\"Voltage Nagoya\"}"
  },
  "layout": {
    "orientation": "portrait",
    "sections": [
      {
        "title": "公式LINE登録で利用開始！",
        "position": "top header",
        "count": 2,
        "labels": [
          "公式LINE登録で利用開始！",
          "受付・チェックイン・予約はすべてLINEで完結！"
        ]
      },
      {
        "title": "main signup area",
        "position": "upper middle",
        "count": 3,
        "labels": [
          "まずは友だち追加！",
          "QR code placeholder",
          "※受付後、必ずご登録をお願いします"
        ]
      },
      {
        "title": "公式LINEでできること",
        "position": "upper right",
        "count": 4,
        "labels": [
          "お試し会員登録",
          "会議室の予約",
          "各種チェックイン",
          "お知らせ・キャンペーン配信"
        ]
      },
      {
        "title": "リッチメニューの使い方",
        "position": "middle",
        "count": 3,
        "labels": [
          "1 お試し会員登録はこちら",
          "2 会議室のご予約がこちら",
          "3 各種チェックインがこちら"
        ]
      },
      {
        "title": "ご利用時のご案内",
        "position": "lower middle",
        "count": 5,
        "labels": [
          "出入り自由",
          "お手洗い・給湯室",
          "フリードリンク",
          "電源について",
          "貸し出し備品"
        ]
      },
      {
        "title": "footer message",
        "position": "bottom",
        "count": 1,
        "labels": [
          "快適な空間づくりにご協力をお願いいたします"
        ]
      }
    ]
  },
  "content_blocks": {
    "line_features": [
      {
        "icon": "ID card profile icon in green outline",
        "heading": "お試し会員登録",
        "text": "お試し会員の登録ができます"
      },
      {
        "icon": "calendar icon in green outline",
        "heading": "会議室の予約",
        "text": "会議室のご予約ができます"
      },
      {
        "icon": "check circle icon in green outline",
        "heading": "各種チェックイン",
        "text": "ドロップイン・会員利用のチェックインができます"
      },
      {
        "icon": "megaphone icon in green outline",
        "heading": "お知らせ・キャンペーン配信",
        "text": "お得情報や最新のお知らせをお届けします"
      }
    ],
    "rich_menu_steps": [
      {
        "step": 1,
        "heading": "お試し会員登録はこちら",
        "visual": "smartphone screen showing profile form, yellow button, hand tapping, yellow LINE-style check bubble",
        "text": "1ヶ月使い放題の お試し会員登録ができます"
      },
      {
        "step": 2,
        "heading": "会議室のご予約がこちら",
        "visual": "smartphone screen with calendar, hand tapping date",
        "text": "空き状況を確認して そのまま予約できます"
      },
      {
        "step": 3,
        "heading": "各種チェックインがこちら",
        "visual": "smartphone screen with large check mark, hand tapping",
        "text": "ドロップイン・会員利用の チェックインはこちらから"
      }
    ],
    "facility_info": [
      {
        "heading": "出入り自由",
        "icon": "open door with arrow",
        "text": "いつでも自由に出入り可能です。 退出時の手続きは不要です。"
      },
      {
        "heading": "お手洗い・給湯室",
        "icon": "restroom male and female symbols",
        "text": "お手洗いと給湯室は 受付後方にございます。"
      },
      {
        "heading": "フリードリンク",
        "icon": "coffee machine cup",
        "text": "コーヒーメーカー、ウォーターサーバーは ご自由にご利用いただけます。"
      },
      {
        "heading": "電源について",
        "icon": "electrical outlet",
        "text": "壁沿いの席に電源があります。 中央席は延長コードを ご利用ください。"
      },
      {
        "heading": "貸し出し備品",
        "icon": "charging cable or power bank device",
        "text": "充電器・延長コードなど 貸し出し可能です。 スタッフまでお声がけください。"
      }
    ]
  },
  "visual_details": {
    "top_decorations": "small colorful confetti strokes and sparkles near top corners",
    "frame": "subtle geometric blue and yellow corner shapes around the poster edges",
    "main_colors": [
      "deep blue",
      "bright LINE green",
      "yellow",
      "white",
      "light gray"
    ],
    "typography": "bold Japanese sans-serif headline, large green emphasis on LINE, smaller black explanatory text, section headers in green and blue",
    "icons": "simple outlined vector icons with consistent stroke weight",
    "qr_area": "large empty rounded rectangle placeholder bordered in green for {argument name=\"QR code area\" default=\"official LINE QR code\"}",
    "speech_circle": "solid green circular callout on left with white text 'まずは友だち追加！'"
  },
  "customizable_fields": {
    "headline": "{argument name=\"main headline\" default=\"公式LINE登録で利用開始！\"}",
    "subheadline": "{argument name=\"subheadline text\" default=\"受付・チェックイン・予約はすべてLINEで完結！\"}",
    "brand_green": "{argument name=\"accent green\" default=\"LINE green\"}",
    "footer_note": "{argument name=\"footer message\" default=\"快適な空間づくりにご協力をお願いいたします\"}"
  }
}