{
  "checkedDate": "2026-10-08",
  "method": "Chrome desktop viewport override; not a physical mobile device test",
  "url": "https://web-labo-note.com/articles/responsive-check-guide.php",
  "observations": [
    {
      "clientWidth": 375,
      "focused": true,
      "lastCell": "固定ヘッダーや追従ボタン、キーボード表示時の領域。",
      "scrollWidth": 375,
      "tableClientWidth": 341,
      "tableScrollLeft": 259,
      "tableScrollWidth": 600,
      "url": "https://web-labo-note.com/articles/responsive-check-guide.php",
      "viewport": 390
    },
    {
      "clientWidth": 305,
      "scrollWidth": 305,
      "tableClientWidth": 271,
      "tableScrollWidth": 600,
      "viewport": 320
    }
  ],
  "keyboard": {
    "viewport": 390,
    "before": 0,
    "afterOneRightArrow": 40,
    "afterRepeatedRightArrows": 259
  },
  "notTested": [
    "physical-device touch",
    "software keyboard",
    "screen reader",
    "text enlargement",
    "SEO or conversion improvement"
  ]
}