{
  "generatedAt": "2026-05-07T03:13:29.275Z",
  "labels": {
    "actual": "v2.42.0",
    "baseline": "v2.40.0"
  },
  "options": {
    "categories": [],
    "titleIncludes": [],
    "files": [],
    "limit": null,
    "mode": "reftest-diff",
    "browser": "chromium",
    "outDir": "v2.42.0-vs-v2.40.0/css/css-nesting",
    "timeoutSec": 10,
    "maxDiffRatio": 0.00002,
    "pixelThreshold": 0.1,
    "viewportWidth": 1800,
    "viewportHeight": 1800,
    "skipScreenshots": false,
    "concurrency": 8,
    "exportHtml": false,
    "exportHtmlDiff": false,
    "actualViewer": "https://vivliostyle.github.io/viewer/v2.42.0/",
    "baselineViewer": "https://vivliostyle.github.io/viewer/v2.40.0/",
    "actualLabel": "v2.42.0",
    "baselineLabel": "v2.40.0",
    "extraViewerParams": "bookMode=false",
    "actualViewerParams": "",
    "baselineViewerParams": "",
    "testUrls": [],
    "refUrls": [],
    "wptManifestPath": "../vivliostyle.js/artifacts/wpt-reftest/MANIFEST.json",
    "wptBaseUrl": "https://raw.githack.com/web-platform-tests/wpt/master/",
    "wptPathPrefixes": [
      "css/css-nesting/"
    ],
    "timeoutMs": 10000
  },
  "summary": {
    "totalEntries": 17,
    "entriesWithDifferences": 9,
    "entriesWithErrors": 0,
    "timeoutEntries": 0,
    "pageCountMismatches": 0,
    "screenshotMismatches": 9,
    "outcomes": {
      "changeTypes": {
        "improvement": 8,
        "pass": 8,
        "expected-change": 1
      },
      "statusPairs": {
        "FAIL->PASS": 8,
        "PASS->PASS": 9
      }
    },
    "triage": {
      "differences": {
        "pending": 1,
        "triaged": 0
      },
      "errors": {
        "pending": 0,
        "triaged": 0
      },
      "pendingEntries": 1,
      "triagedEntries": 0
    }
  },
  "entries": [
    {
      "id": "0001",
      "category": "WPT reftest",
      "title": "css/css-nesting/conditional-properties.html",
      "file": [
        "css/css-nesting/conditional-properties.html"
      ],
      "sourceUrl": "https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/conditional-properties.html",
      "actualStatus": "PASS",
      "baselineStatus": "FAIL",
      "changeType": "improvement",
      "viewerChanged": true,
      "actualUrl": "https://vivliostyle.github.io/viewer/v2.42.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/conditional-properties.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
      "baselineUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/conditional-properties.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
      "references": [
        {
          "referenceFile": "css/css-nesting/conditional-properties-ref.html",
          "relation": "==",
          "actualReferenceUrl": "https://vivliostyle.github.io/viewer/v2.42.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/conditional-properties-ref.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
          "baselineReferenceUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/conditional-properties-ref.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false"
        }
      ],
      "difference": {
        "classification": "improvement",
        "triageRequired": false,
        "pageCountMismatch": false,
        "actual": {
          "totalPages": 1
        },
        "baseline": {
          "totalPages": 1
        },
        "pages": [
          {
            "page": 1,
            "width": 794,
            "height": 1056,
            "actualWidth": 794,
            "actualHeight": 1056,
            "diffPixels": 20000,
            "diffRatio": 0.02385314098160446,
            "exactDiffPixels": 20000,
            "exactDiffRatio": 0.02385314098160446,
            "exceededDiffPixels": 0,
            "maxChannelDifference": 255,
            "dimensionMismatch": false,
            "diffImage": "diff/0001-WPT_reftest-css-css-nesting-conditional-properties.html-p0001.png"
          }
        ],
        "comparisons": [
          {
            "referenceIndex": 0,
            "referenceFile": "css/css-nesting/conditional-properties-ref.html",
            "referenceUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/conditional-properties-ref.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
            "referenceTotalPages": 1,
            "testTotalPages": 1,
            "relation": "==",
            "fuzzy": null,
            "actualPageNumbers": [
              1
            ],
            "baselinePageNumbers": [
              1
            ],
            "pageCountMismatch": false,
            "pages": [
              {
                "page": 1,
                "actualPage": 1,
                "baselinePage": 1,
                "width": 794,
                "height": 1056,
                "actualWidth": 794,
                "actualHeight": 1056,
                "diffPixels": 20000,
                "diffRatio": 0.02385314098160446,
                "exactDiffPixels": 20000,
                "exactDiffRatio": 0.02385314098160446,
                "exceededDiffPixels": 0,
                "maxChannelDifference": 255,
                "dimensionMismatch": false,
                "diffImage": "baseline-reference-diff/0001-WPT_reftest-css-css-nesting-conditional-properties.html-r01-p0001.png"
              }
            ],
            "unexpectedEquality": false,
            "pass": false,
            "side": "v2.40.0",
            "baselineUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/conditional-properties-ref.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false"
          }
        ],
        "triage": {
          "status": "not-needed",
          "decision": ""
        }
      }
    },
    {
      "id": "0002",
      "category": "WPT reftest",
      "title": "css/css-nesting/conditional-rules.html",
      "file": [
        "css/css-nesting/conditional-rules.html"
      ],
      "sourceUrl": "https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/conditional-rules.html",
      "actualStatus": "PASS",
      "baselineStatus": "FAIL",
      "changeType": "improvement",
      "viewerChanged": true,
      "actualUrl": "https://vivliostyle.github.io/viewer/v2.42.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/conditional-rules.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
      "baselineUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/conditional-rules.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
      "references": [
        {
          "referenceFile": "css/css-nesting/conditional-rules-ref.html",
          "relation": "==",
          "actualReferenceUrl": "https://vivliostyle.github.io/viewer/v2.42.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/conditional-rules-ref.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
          "baselineReferenceUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/conditional-rules-ref.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false"
        }
      ],
      "difference": {
        "classification": "improvement",
        "triageRequired": false,
        "pageCountMismatch": false,
        "actual": {
          "totalPages": 1
        },
        "baseline": {
          "totalPages": 1
        },
        "pages": [
          {
            "page": 1,
            "width": 794,
            "height": 1056,
            "actualWidth": 794,
            "actualHeight": 1056,
            "diffPixels": 2700,
            "diffRatio": 0.003220174032516602,
            "exactDiffPixels": 2700,
            "exactDiffRatio": 0.003220174032516602,
            "exceededDiffPixels": 0,
            "maxChannelDifference": 255,
            "dimensionMismatch": false,
            "diffImage": "diff/0002-WPT_reftest-css-css-nesting-conditional-rules.html-p0001.png"
          }
        ],
        "comparisons": [
          {
            "referenceIndex": 0,
            "referenceFile": "css/css-nesting/conditional-rules-ref.html",
            "referenceUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/conditional-rules-ref.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
            "referenceTotalPages": 1,
            "testTotalPages": 1,
            "relation": "==",
            "fuzzy": null,
            "actualPageNumbers": [
              1
            ],
            "baselinePageNumbers": [
              1
            ],
            "pageCountMismatch": false,
            "pages": [
              {
                "page": 1,
                "actualPage": 1,
                "baselinePage": 1,
                "width": 794,
                "height": 1056,
                "actualWidth": 794,
                "actualHeight": 1056,
                "diffPixels": 2700,
                "diffRatio": 0.003220174032516602,
                "exactDiffPixels": 2700,
                "exactDiffRatio": 0.003220174032516602,
                "exceededDiffPixels": 0,
                "maxChannelDifference": 255,
                "dimensionMismatch": false,
                "diffImage": "baseline-reference-diff/0002-WPT_reftest-css-css-nesting-conditional-rules.html-r01-p0001.png"
              }
            ],
            "unexpectedEquality": false,
            "pass": false,
            "side": "v2.40.0",
            "baselineUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/conditional-rules-ref.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false"
          }
        ],
        "triage": {
          "status": "not-needed",
          "decision": ""
        }
      }
    },
    {
      "id": "0003",
      "category": "WPT reftest",
      "title": "css/css-nesting/contextually-invalid-selectors-001.html",
      "file": [
        "css/css-nesting/contextually-invalid-selectors-001.html"
      ],
      "sourceUrl": "https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/contextually-invalid-selectors-001.html",
      "actualStatus": "PASS",
      "baselineStatus": "PASS",
      "changeType": "pass",
      "viewerChanged": false,
      "actualUrl": "https://vivliostyle.github.io/viewer/v2.42.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/contextually-invalid-selectors-001.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
      "baselineUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/contextually-invalid-selectors-001.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
      "references": [
        {
          "referenceFile": "css/reference/ref-filled-green-100px-square-only.html",
          "relation": "==",
          "actualReferenceUrl": "https://vivliostyle.github.io/viewer/v2.42.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/reference/ref-filled-green-100px-square-only.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
          "baselineReferenceUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/reference/ref-filled-green-100px-square-only.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false"
        }
      ]
    },
    {
      "id": "0004",
      "category": "WPT reftest",
      "title": "css/css-nesting/contextually-invalid-selectors-002.html",
      "file": [
        "css/css-nesting/contextually-invalid-selectors-002.html"
      ],
      "sourceUrl": "https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/contextually-invalid-selectors-002.html",
      "actualStatus": "PASS",
      "baselineStatus": "FAIL",
      "changeType": "improvement",
      "viewerChanged": true,
      "actualUrl": "https://vivliostyle.github.io/viewer/v2.42.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/contextually-invalid-selectors-002.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
      "baselineUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/contextually-invalid-selectors-002.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
      "references": [
        {
          "referenceFile": "css/reference/ref-filled-green-100px-square-only.html",
          "relation": "==",
          "actualReferenceUrl": "https://vivliostyle.github.io/viewer/v2.42.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/reference/ref-filled-green-100px-square-only.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
          "baselineReferenceUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/reference/ref-filled-green-100px-square-only.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false"
        }
      ],
      "difference": {
        "classification": "improvement",
        "triageRequired": false,
        "pageCountMismatch": false,
        "actual": {
          "totalPages": 1
        },
        "baseline": {
          "totalPages": 1
        },
        "pages": [
          {
            "page": 1,
            "width": 794,
            "height": 1056,
            "actualWidth": 794,
            "actualHeight": 1056,
            "diffPixels": 10648,
            "diffRatio": 0.012699412258606213,
            "exactDiffPixels": 11731,
            "exactDiffRatio": 0.013991059842760094,
            "exceededDiffPixels": 0,
            "maxChannelDifference": 128,
            "dimensionMismatch": false,
            "diffImage": "diff/0004-WPT_reftest-css-css-nesting-contextually-invalid-selectors-002.html-p0001.png"
          }
        ],
        "comparisons": [
          {
            "referenceIndex": 0,
            "referenceFile": "css/reference/ref-filled-green-100px-square-only.html",
            "referenceUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/reference/ref-filled-green-100px-square-only.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
            "referenceTotalPages": 1,
            "testTotalPages": 1,
            "relation": "==",
            "fuzzy": null,
            "actualPageNumbers": [
              1
            ],
            "baselinePageNumbers": [
              1
            ],
            "pageCountMismatch": false,
            "pages": [
              {
                "page": 1,
                "actualPage": 1,
                "baselinePage": 1,
                "width": 794,
                "height": 1056,
                "actualWidth": 794,
                "actualHeight": 1056,
                "diffPixels": 10648,
                "diffRatio": 0.012699412258606213,
                "exactDiffPixels": 11731,
                "exactDiffRatio": 0.013991059842760094,
                "exceededDiffPixels": 0,
                "maxChannelDifference": 128,
                "dimensionMismatch": false,
                "diffImage": "baseline-reference-diff/0004-WPT_reftest-css-css-nesting-contextually-invalid-selectors-002.html-r01-p0001.png"
              }
            ],
            "unexpectedEquality": false,
            "pass": false,
            "side": "v2.40.0",
            "baselineUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/reference/ref-filled-green-100px-square-only.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false"
          }
        ],
        "triage": {
          "status": "not-needed",
          "decision": ""
        }
      }
    },
    {
      "id": "0005",
      "category": "WPT reftest",
      "title": "css/css-nesting/contextually-invalid-selectors-003.html",
      "file": [
        "css/css-nesting/contextually-invalid-selectors-003.html"
      ],
      "sourceUrl": "https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/contextually-invalid-selectors-003.html",
      "actualStatus": "PASS",
      "baselineStatus": "PASS",
      "changeType": "pass",
      "viewerChanged": false,
      "actualUrl": "https://vivliostyle.github.io/viewer/v2.42.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/contextually-invalid-selectors-003.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
      "baselineUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/contextually-invalid-selectors-003.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
      "references": [
        {
          "referenceFile": "css/reference/ref-filled-green-100px-square-only.html",
          "relation": "==",
          "actualReferenceUrl": "https://vivliostyle.github.io/viewer/v2.42.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/reference/ref-filled-green-100px-square-only.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
          "baselineReferenceUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/reference/ref-filled-green-100px-square-only.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false"
        }
      ]
    },
    {
      "id": "0006",
      "category": "WPT reftest",
      "title": "css/css-nesting/has-nesting.html",
      "file": [
        "css/css-nesting/has-nesting.html"
      ],
      "sourceUrl": "https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/has-nesting.html",
      "actualStatus": "PASS",
      "baselineStatus": "PASS",
      "changeType": "expected-change",
      "viewerChanged": true,
      "actualUrl": "https://vivliostyle.github.io/viewer/v2.42.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/has-nesting.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
      "baselineUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/has-nesting.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
      "references": [
        {
          "referenceFile": "css/css-nesting/has-nesting-ref.html",
          "relation": "==",
          "actualReferenceUrl": "https://vivliostyle.github.io/viewer/v2.42.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/has-nesting-ref.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
          "baselineReferenceUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/has-nesting-ref.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false"
        }
      ],
      "difference": {
        "classification": "expected-change",
        "triageRequired": true,
        "pageCountMismatch": false,
        "actual": {
          "totalPages": 1
        },
        "baseline": {
          "totalPages": 1
        },
        "pages": [
          {
            "page": 1,
            "width": 794,
            "height": 1056,
            "actualWidth": 794,
            "actualHeight": 1056,
            "diffPixels": 28,
            "diffRatio": 0.00003339439737424624,
            "exactDiffPixels": 59,
            "exactDiffRatio": 0.00007036676589573316,
            "exceededDiffPixels": 0,
            "maxChannelDifference": 128,
            "dimensionMismatch": false,
            "diffImage": "diff/0006-WPT_reftest-css-css-nesting-has-nesting.html-p0001.png"
          }
        ],
        "comparisons": [],
        "triage": {
          "status": "pending",
          "decision": ""
        }
      }
    },
    {
      "id": "0007",
      "category": "WPT reftest",
      "title": "css/css-nesting/host-nesting-001.html",
      "file": [
        "css/css-nesting/host-nesting-001.html"
      ],
      "sourceUrl": "https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/host-nesting-001.html",
      "actualStatus": "PASS",
      "baselineStatus": "PASS",
      "changeType": "pass",
      "viewerChanged": false,
      "actualUrl": "https://vivliostyle.github.io/viewer/v2.42.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/host-nesting-001.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
      "baselineUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/host-nesting-001.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
      "references": [
        {
          "referenceFile": "css/reference/ref-filled-green-100px-square-only.html",
          "relation": "==",
          "actualReferenceUrl": "https://vivliostyle.github.io/viewer/v2.42.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/reference/ref-filled-green-100px-square-only.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
          "baselineReferenceUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/reference/ref-filled-green-100px-square-only.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false"
        }
      ]
    },
    {
      "id": "0008",
      "category": "WPT reftest",
      "title": "css/css-nesting/host-nesting-002.html",
      "file": [
        "css/css-nesting/host-nesting-002.html"
      ],
      "sourceUrl": "https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/host-nesting-002.html",
      "actualStatus": "PASS",
      "baselineStatus": "PASS",
      "changeType": "pass",
      "viewerChanged": false,
      "actualUrl": "https://vivliostyle.github.io/viewer/v2.42.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/host-nesting-002.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
      "baselineUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/host-nesting-002.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
      "references": [
        {
          "referenceFile": "css/reference/ref-filled-green-100px-square-only.html",
          "relation": "==",
          "actualReferenceUrl": "https://vivliostyle.github.io/viewer/v2.42.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/reference/ref-filled-green-100px-square-only.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
          "baselineReferenceUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/reference/ref-filled-green-100px-square-only.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false"
        }
      ]
    },
    {
      "id": "0009",
      "category": "WPT reftest",
      "title": "css/css-nesting/host-nesting-003.html",
      "file": [
        "css/css-nesting/host-nesting-003.html"
      ],
      "sourceUrl": "https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/host-nesting-003.html",
      "actualStatus": "PASS",
      "baselineStatus": "PASS",
      "changeType": "pass",
      "viewerChanged": false,
      "actualUrl": "https://vivliostyle.github.io/viewer/v2.42.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/host-nesting-003.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
      "baselineUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/host-nesting-003.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
      "references": [
        {
          "referenceFile": "css/reference/ref-filled-green-100px-square-only.html",
          "relation": "==",
          "actualReferenceUrl": "https://vivliostyle.github.io/viewer/v2.42.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/reference/ref-filled-green-100px-square-only.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
          "baselineReferenceUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/reference/ref-filled-green-100px-square-only.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false"
        }
      ]
    },
    {
      "id": "0010",
      "category": "WPT reftest",
      "title": "css/css-nesting/host-nesting-004.html",
      "file": [
        "css/css-nesting/host-nesting-004.html"
      ],
      "sourceUrl": "https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/host-nesting-004.html",
      "actualStatus": "PASS",
      "baselineStatus": "PASS",
      "changeType": "pass",
      "viewerChanged": false,
      "actualUrl": "https://vivliostyle.github.io/viewer/v2.42.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/host-nesting-004.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
      "baselineUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/host-nesting-004.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
      "references": [
        {
          "referenceFile": "css/reference/ref-filled-green-100px-square-only.html",
          "relation": "==",
          "actualReferenceUrl": "https://vivliostyle.github.io/viewer/v2.42.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/reference/ref-filled-green-100px-square-only.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
          "baselineReferenceUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/reference/ref-filled-green-100px-square-only.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false"
        }
      ]
    },
    {
      "id": "0011",
      "category": "WPT reftest",
      "title": "css/css-nesting/host-nesting-005.html",
      "file": [
        "css/css-nesting/host-nesting-005.html"
      ],
      "sourceUrl": "https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/host-nesting-005.html",
      "actualStatus": "PASS",
      "baselineStatus": "PASS",
      "changeType": "pass",
      "viewerChanged": false,
      "actualUrl": "https://vivliostyle.github.io/viewer/v2.42.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/host-nesting-005.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
      "baselineUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/host-nesting-005.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
      "references": [
        {
          "referenceFile": "css/reference/ref-filled-green-100px-square-only.html",
          "relation": "==",
          "actualReferenceUrl": "https://vivliostyle.github.io/viewer/v2.42.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/reference/ref-filled-green-100px-square-only.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
          "baselineReferenceUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/reference/ref-filled-green-100px-square-only.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false"
        }
      ]
    },
    {
      "id": "0012",
      "category": "WPT reftest",
      "title": "css/css-nesting/implicit-nesting.html",
      "file": [
        "css/css-nesting/implicit-nesting.html"
      ],
      "sourceUrl": "https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/implicit-nesting.html",
      "actualStatus": "PASS",
      "baselineStatus": "FAIL",
      "changeType": "improvement",
      "viewerChanged": true,
      "actualUrl": "https://vivliostyle.github.io/viewer/v2.42.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/implicit-nesting.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
      "baselineUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/implicit-nesting.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
      "references": [
        {
          "referenceFile": "css/css-nesting/implicit-nesting-ref.html",
          "relation": "==",
          "actualReferenceUrl": "https://vivliostyle.github.io/viewer/v2.42.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/implicit-nesting-ref.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
          "baselineReferenceUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/implicit-nesting-ref.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false"
        }
      ],
      "difference": {
        "classification": "improvement",
        "triageRequired": false,
        "pageCountMismatch": false,
        "actual": {
          "totalPages": 1
        },
        "baseline": {
          "totalPages": 1
        },
        "pages": [
          {
            "page": 1,
            "width": 794,
            "height": 1056,
            "actualWidth": 794,
            "actualHeight": 1056,
            "diffPixels": 6300,
            "diffRatio": 0.007513739409205404,
            "exactDiffPixels": 6300,
            "exactDiffRatio": 0.007513739409205404,
            "exceededDiffPixels": 0,
            "maxChannelDifference": 255,
            "dimensionMismatch": false,
            "diffImage": "diff/0012-WPT_reftest-css-css-nesting-implicit-nesting.html-p0001.png"
          }
        ],
        "comparisons": [
          {
            "referenceIndex": 0,
            "referenceFile": "css/css-nesting/implicit-nesting-ref.html",
            "referenceUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/implicit-nesting-ref.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
            "referenceTotalPages": 1,
            "testTotalPages": 1,
            "relation": "==",
            "fuzzy": null,
            "actualPageNumbers": [
              1
            ],
            "baselinePageNumbers": [
              1
            ],
            "pageCountMismatch": false,
            "pages": [
              {
                "page": 1,
                "actualPage": 1,
                "baselinePage": 1,
                "width": 794,
                "height": 1056,
                "actualWidth": 794,
                "actualHeight": 1056,
                "diffPixels": 6300,
                "diffRatio": 0.007513739409205404,
                "exactDiffPixels": 6300,
                "exactDiffRatio": 0.007513739409205404,
                "exceededDiffPixels": 0,
                "maxChannelDifference": 255,
                "dimensionMismatch": false,
                "diffImage": "baseline-reference-diff/0012-WPT_reftest-css-css-nesting-implicit-nesting.html-r01-p0001.png"
              }
            ],
            "unexpectedEquality": false,
            "pass": false,
            "side": "v2.40.0",
            "baselineUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/implicit-nesting-ref.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false"
          }
        ],
        "triage": {
          "status": "not-needed",
          "decision": ""
        }
      }
    },
    {
      "id": "0013",
      "category": "WPT reftest",
      "title": "css/css-nesting/nest-containing-forgiving.html",
      "file": [
        "css/css-nesting/nest-containing-forgiving.html"
      ],
      "sourceUrl": "https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/nest-containing-forgiving.html",
      "actualStatus": "PASS",
      "baselineStatus": "FAIL",
      "changeType": "improvement",
      "viewerChanged": true,
      "actualUrl": "https://vivliostyle.github.io/viewer/v2.42.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/nest-containing-forgiving.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
      "baselineUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/nest-containing-forgiving.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
      "references": [
        {
          "referenceFile": "css/css-nesting/nest-containing-forgiving-ref.html",
          "relation": "==",
          "actualReferenceUrl": "https://vivliostyle.github.io/viewer/v2.42.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/nest-containing-forgiving-ref.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
          "baselineReferenceUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/nest-containing-forgiving-ref.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false"
        }
      ],
      "difference": {
        "classification": "improvement",
        "triageRequired": false,
        "pageCountMismatch": false,
        "actual": {
          "totalPages": 1
        },
        "baseline": {
          "totalPages": 1
        },
        "pages": [
          {
            "page": 1,
            "width": 794,
            "height": 1056,
            "actualWidth": 794,
            "actualHeight": 1056,
            "diffPixels": 10000,
            "diffRatio": 0.01192657049080223,
            "exactDiffPixels": 10000,
            "exactDiffRatio": 0.01192657049080223,
            "exceededDiffPixels": 0,
            "maxChannelDifference": 255,
            "dimensionMismatch": false,
            "diffImage": "diff/0013-WPT_reftest-css-css-nesting-nest-containing-forgiving.html-p0001.png"
          }
        ],
        "comparisons": [
          {
            "referenceIndex": 0,
            "referenceFile": "css/css-nesting/nest-containing-forgiving-ref.html",
            "referenceUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/nest-containing-forgiving-ref.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
            "referenceTotalPages": 1,
            "testTotalPages": 1,
            "relation": "==",
            "fuzzy": null,
            "actualPageNumbers": [
              1
            ],
            "baselinePageNumbers": [
              1
            ],
            "pageCountMismatch": false,
            "pages": [
              {
                "page": 1,
                "actualPage": 1,
                "baselinePage": 1,
                "width": 794,
                "height": 1056,
                "actualWidth": 794,
                "actualHeight": 1056,
                "diffPixels": 10000,
                "diffRatio": 0.01192657049080223,
                "exactDiffPixels": 10000,
                "exactDiffRatio": 0.01192657049080223,
                "exceededDiffPixels": 0,
                "maxChannelDifference": 255,
                "dimensionMismatch": false,
                "diffImage": "baseline-reference-diff/0013-WPT_reftest-css-css-nesting-nest-containing-forgiving.html-r01-p0001.png"
              }
            ],
            "unexpectedEquality": false,
            "pass": false,
            "side": "v2.40.0",
            "baselineUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/nest-containing-forgiving-ref.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false"
          }
        ],
        "triage": {
          "status": "not-needed",
          "decision": ""
        }
      }
    },
    {
      "id": "0014",
      "category": "WPT reftest",
      "title": "css/css-nesting/nesting-basic.html",
      "file": [
        "css/css-nesting/nesting-basic.html"
      ],
      "sourceUrl": "https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/nesting-basic.html",
      "actualStatus": "PASS",
      "baselineStatus": "FAIL",
      "changeType": "improvement",
      "viewerChanged": true,
      "actualUrl": "https://vivliostyle.github.io/viewer/v2.42.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/nesting-basic.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
      "baselineUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/nesting-basic.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
      "references": [
        {
          "referenceFile": "css/css-nesting/nesting-basic-ref.html",
          "relation": "==",
          "actualReferenceUrl": "https://vivliostyle.github.io/viewer/v2.42.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/nesting-basic-ref.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
          "baselineReferenceUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/nesting-basic-ref.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false"
        }
      ],
      "difference": {
        "classification": "improvement",
        "triageRequired": false,
        "pageCountMismatch": false,
        "actual": {
          "totalPages": 1
        },
        "baseline": {
          "totalPages": 1
        },
        "pages": [
          {
            "page": 1,
            "width": 794,
            "height": 1056,
            "actualWidth": 794,
            "actualHeight": 1056,
            "diffPixels": 9000,
            "diffRatio": 0.010733913441722006,
            "exactDiffPixels": 9000,
            "exactDiffRatio": 0.010733913441722006,
            "exceededDiffPixels": 0,
            "maxChannelDifference": 255,
            "dimensionMismatch": false,
            "diffImage": "diff/0014-WPT_reftest-css-css-nesting-nesting-basic.html-p0001.png"
          }
        ],
        "comparisons": [
          {
            "referenceIndex": 0,
            "referenceFile": "css/css-nesting/nesting-basic-ref.html",
            "referenceUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/nesting-basic-ref.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
            "referenceTotalPages": 1,
            "testTotalPages": 1,
            "relation": "==",
            "fuzzy": null,
            "actualPageNumbers": [
              1
            ],
            "baselinePageNumbers": [
              1
            ],
            "pageCountMismatch": false,
            "pages": [
              {
                "page": 1,
                "actualPage": 1,
                "baselinePage": 1,
                "width": 794,
                "height": 1056,
                "actualWidth": 794,
                "actualHeight": 1056,
                "diffPixels": 9000,
                "diffRatio": 0.010733913441722006,
                "exactDiffPixels": 9000,
                "exactDiffRatio": 0.010733913441722006,
                "exceededDiffPixels": 0,
                "maxChannelDifference": 255,
                "dimensionMismatch": false,
                "diffImage": "baseline-reference-diff/0014-WPT_reftest-css-css-nesting-nesting-basic.html-r01-p0001.png"
              }
            ],
            "unexpectedEquality": false,
            "pass": false,
            "side": "v2.40.0",
            "baselineUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/nesting-basic-ref.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false"
          }
        ],
        "triage": {
          "status": "not-needed",
          "decision": ""
        }
      }
    },
    {
      "id": "0015",
      "category": "WPT reftest",
      "title": "css/css-nesting/nesting-type-selector.html",
      "file": [
        "css/css-nesting/nesting-type-selector.html"
      ],
      "sourceUrl": "https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/nesting-type-selector.html",
      "actualStatus": "PASS",
      "baselineStatus": "FAIL",
      "changeType": "improvement",
      "viewerChanged": true,
      "actualUrl": "https://vivliostyle.github.io/viewer/v2.42.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/nesting-type-selector.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
      "baselineUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/nesting-type-selector.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
      "references": [
        {
          "referenceFile": "css/reference/ref-filled-green-100px-square-only.html",
          "relation": "==",
          "actualReferenceUrl": "https://vivliostyle.github.io/viewer/v2.42.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/reference/ref-filled-green-100px-square-only.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
          "baselineReferenceUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/reference/ref-filled-green-100px-square-only.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false"
        }
      ],
      "difference": {
        "classification": "improvement",
        "triageRequired": false,
        "pageCountMismatch": false,
        "actual": {
          "totalPages": 1
        },
        "baseline": {
          "totalPages": 1
        },
        "pages": [
          {
            "page": 1,
            "width": 794,
            "height": 1056,
            "actualWidth": 794,
            "actualHeight": 1056,
            "diffPixels": 10000,
            "diffRatio": 0.01192657049080223,
            "exactDiffPixels": 10000,
            "exactDiffRatio": 0.01192657049080223,
            "exceededDiffPixels": 0,
            "maxChannelDifference": 255,
            "dimensionMismatch": false,
            "diffImage": "diff/0015-WPT_reftest-css-css-nesting-nesting-type-selector.html-p0001.png"
          }
        ],
        "comparisons": [
          {
            "referenceIndex": 0,
            "referenceFile": "css/reference/ref-filled-green-100px-square-only.html",
            "referenceUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/reference/ref-filled-green-100px-square-only.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
            "referenceTotalPages": 1,
            "testTotalPages": 1,
            "relation": "==",
            "fuzzy": null,
            "actualPageNumbers": [
              1
            ],
            "baselinePageNumbers": [
              1
            ],
            "pageCountMismatch": false,
            "pages": [
              {
                "page": 1,
                "actualPage": 1,
                "baselinePage": 1,
                "width": 794,
                "height": 1056,
                "actualWidth": 794,
                "actualHeight": 1056,
                "diffPixels": 10000,
                "diffRatio": 0.01192657049080223,
                "exactDiffPixels": 10000,
                "exactDiffRatio": 0.01192657049080223,
                "exceededDiffPixels": 0,
                "maxChannelDifference": 255,
                "dimensionMismatch": false,
                "diffImage": "baseline-reference-diff/0015-WPT_reftest-css-css-nesting-nesting-type-selector.html-r01-p0001.png"
              }
            ],
            "unexpectedEquality": false,
            "pass": false,
            "side": "v2.40.0",
            "baselineUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/reference/ref-filled-green-100px-square-only.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false"
          }
        ],
        "triage": {
          "status": "not-needed",
          "decision": ""
        }
      }
    },
    {
      "id": "0016",
      "category": "WPT reftest",
      "title": "css/css-nesting/supports-is-consistent.html",
      "file": [
        "css/css-nesting/supports-is-consistent.html"
      ],
      "sourceUrl": "https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/supports-is-consistent.html",
      "actualStatus": "PASS",
      "baselineStatus": "PASS",
      "changeType": "pass",
      "viewerChanged": false,
      "actualUrl": "https://vivliostyle.github.io/viewer/v2.42.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/supports-is-consistent.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
      "baselineUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/supports-is-consistent.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
      "references": [
        {
          "referenceFile": "css/css-nesting/supports-is-consistent-ref.html",
          "relation": "==",
          "actualReferenceUrl": "https://vivliostyle.github.io/viewer/v2.42.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/supports-is-consistent-ref.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
          "baselineReferenceUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/supports-is-consistent-ref.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false"
        }
      ]
    },
    {
      "id": "0017",
      "category": "WPT reftest",
      "title": "css/css-nesting/supports-rule.html",
      "file": [
        "css/css-nesting/supports-rule.html"
      ],
      "sourceUrl": "https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/supports-rule.html",
      "actualStatus": "PASS",
      "baselineStatus": "FAIL",
      "changeType": "improvement",
      "viewerChanged": true,
      "actualUrl": "https://vivliostyle.github.io/viewer/v2.42.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/supports-rule.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
      "baselineUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/supports-rule.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
      "references": [
        {
          "referenceFile": "css/css-nesting/supports-rule-ref.html",
          "relation": "==",
          "actualReferenceUrl": "https://vivliostyle.github.io/viewer/v2.42.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/supports-rule-ref.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
          "baselineReferenceUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/supports-rule-ref.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false"
        }
      ],
      "difference": {
        "classification": "improvement",
        "triageRequired": false,
        "pageCountMismatch": false,
        "actual": {
          "totalPages": 1
        },
        "baseline": {
          "totalPages": 1
        },
        "pages": [
          {
            "page": 1,
            "width": 794,
            "height": 1056,
            "actualWidth": 794,
            "actualHeight": 1056,
            "diffPixels": 30000,
            "diffRatio": 0.03577971147240669,
            "exactDiffPixels": 30000,
            "exactDiffRatio": 0.03577971147240669,
            "exceededDiffPixels": 0,
            "maxChannelDifference": 255,
            "dimensionMismatch": false,
            "diffImage": "diff/0017-WPT_reftest-css-css-nesting-supports-rule.html-p0001.png"
          }
        ],
        "comparisons": [
          {
            "referenceIndex": 0,
            "referenceFile": "css/css-nesting/supports-rule-ref.html",
            "referenceUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/supports-rule-ref.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false",
            "referenceTotalPages": 1,
            "testTotalPages": 1,
            "relation": "==",
            "fuzzy": null,
            "actualPageNumbers": [
              1
            ],
            "baselinePageNumbers": [
              1
            ],
            "pageCountMismatch": false,
            "pages": [
              {
                "page": 1,
                "actualPage": 1,
                "baselinePage": 1,
                "width": 794,
                "height": 1056,
                "actualWidth": 794,
                "actualHeight": 1056,
                "diffPixels": 30000,
                "diffRatio": 0.03577971147240669,
                "exactDiffPixels": 30000,
                "exactDiffRatio": 0.03577971147240669,
                "exceededDiffPixels": 0,
                "maxChannelDifference": 255,
                "dimensionMismatch": false,
                "diffImage": "baseline-reference-diff/0017-WPT_reftest-css-css-nesting-supports-rule.html-r01-p0001.png"
              }
            ],
            "unexpectedEquality": false,
            "pass": false,
            "side": "v2.40.0",
            "baselineUrl": "https://vivliostyle.github.io/viewer/v2.40.0/#src=https://raw.githack.com/web-platform-tests/wpt/master/css/css-nesting/supports-rule-ref.html&bookMode=false&pixelRatio=0&bookMode=false&zoom=1&spread=false"
          }
        ],
        "triage": {
          "status": "not-needed",
          "decision": ""
        }
      }
    }
  ]
}