meal.txt

{
  "type": "bubble",
  "hero": {
    "type": "image",
    "url": "https://img.onl/0zWEPM",
    "size": "full",
    "aspectRatio": "20:13",
    "aspectMode": "cover",
    "action": {
      "type": "uri",
      "uri": "http://linecorp.com/"
    },
    "position": "relative"
  },
  "body": {
    "type": "box",
    "layout": "vertical",
    "contents": [
      {
        "type": "text",
        "text": "用餐時段",
        "weight": "bold",
        "size": "xl",
        "margin": "none",
        "position": "relative",
        "align": "start"
      },
      {
        "type": "text",
        "text": "請挑選你的用餐時段"
      },
      {
        "type": "box",
        "layout": "vertical",
        "contents": [
          {
            "type": "button",
            "action": {
              "type": "message",
              "label": "早餐",
              "text": "早餐"
            }
          },
          {
            "type": "button",
            "action": {
              "type": "message",
              "label": "午餐",
              "text": "午餐"
            }
          },
          {
            "type": "button",
            "action": {
              "type": "message",
              "label": "晚餐",
              "text": "晚餐"
            }
          }
        ]
      }
    ]
  }
}