Summary of inspection
| Control No. | tky2502 | Success level | 96% |
|---|---|---|---|
| Items subject to inspection | https://tokyotokyo.jp/ja/sustainable/article7/ 東京ベイエリア、サステナブルな海辺のまちづくり | Tokyo再発見 | Tokyo Tokyo Official Website | ||
| Applicable standard | JIS X 8341-3:2016 (ISO/IEC 40500:2012) | Conformance level | AA |
| Inspection period | November 06, 2025 ～ November 28, 2025 | Inspection date | 2025-11-10 17:17:11 |
| Owner of the items subject to inspection | 東京都 | Person requesting inspection | 株式会社電通デジタル |
| Web content technology that is relied on | HTML5 CSS3 JavaScript | Tool used for inspection | Libra Plus(JIS X 8341-3:2016判定ツール）, W3C Markup Validation Service, カラーコントラストアナライザー 3.5 |
| Inspection organization | InfoCreate Co., Ltd. | Person responsible for inspection | |
| Exceptions | Date of issuance | March 05, 2026 | |
Status of application and conformance, success level, etc. for each success criterion
※ Click Success criteria to move to the Implementation Checklist
| JIS X 8341-3:2016 (ISO/IEC 40500:2012) | Program detection/inspection result | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Success criteria | Conformance level | Application | Conformance | Success level | Number of items detected | Not inspected | Conformance | Non-Conformance | |
| 1.1.1 | Non-text Content | A | ○ | ○ | 100% | 78 | 0 | 78 | 0 |
| 1.2.1 | Audio-only and Video-only (Prerecorded) | A | - | - | - | 0 | 0 | 0 | 0 |
| 1.2.2 | Captions (Prerecorded) | A | - | - | - | 0 | 0 | 0 | 0 |
| 1.2.3 | Audio Description or Media Alternative (Prerecorded) | A | - | - | - | 0 | 0 | 0 | 0 |
| 1.2.4 | Captions (Live) | AA | - | - | - | 0 | 0 | 0 | 0 |
| 1.2.5 | Audio Description (Prerecorded) | AA | - | - | - | 0 | 0 | 0 | 0 |
| 1.2.6 | Sign Language (Prerecorded) | AAA | - | - | - | 0 | 0 | 0 | 0 |
| 1.2.7 | Extended Audio Description (Prerecorded) | AAA | - | - | - | 0 | 0 | 0 | 0 |
| 1.2.8 | Media Alternative (Prerecorded) | AAA | - | - | - | 0 | 0 | 0 | 0 |
| 1.2.9 | Audio-only (Live) | AAA | - | - | - | 0 | 0 | 0 | 0 |
| 1.3.1 | Info and Relationships | A | ○ | △ | 97% | 48 | 0 | 47 | 1 |
| 1.3.2 | Meaningful Sequence | A | ○ | △ | 95% | 20 | 0 | 19 | 1 |
| 1.3.3 | Sensory Characteristics | A | - | - | - | 0 | 0 | 0 | 0 |
| 1.4.1 | Use of Color | A | - | - | - | 0 | 0 | 0 | 0 |
| 1.4.2 | Audio Control | A | - | - | - | 0 | 0 | 0 | 0 |
| 1.4.3 | Contrast (Minimum) | AA | ○ | × | 0% | 1 | 0 | 0 | 1 |
| 1.4.4 | Resize text | AA | ○ | × | 0% | 1 | 0 | 0 | 1 |
| 1.4.5 | Images of Text | AA | - | - | - | 0 | 0 | 0 | 0 |
| 1.4.6 | Contrast (Enhanced) | AAA | - | - | - | 0 | 0 | 0 | 0 |
| 1.4.7 | Low or No Background Audio | AAA | - | - | - | 0 | 0 | 0 | 0 |
| 1.4.8 | Visual Presentation | AAA | - | - | - | 0 | 0 | 0 | 0 |
| 1.4.9 | Images of Text (No Exception) | AAA | - | - | - | 0 | 0 | 0 | 0 |
| 2.1.1 | Keyboard | A | ○ | × | 0% | 1 | 0 | 0 | 1 |
| 2.1.2 | No Keyboard Trap | A | ○ | ○ | 100% | 1 | 0 | 1 | 0 |
| 2.1.3 | Keyboard (No Exception) | AAA | ○ | × | 0% | 1 | 0 | 0 | 1 |
| 2.2.1 | Timing Adjustable | A | - | - | - | 0 | 0 | 0 | 0 |
| 2.2.2 | Pause, Stop, Hide | A | - | - | - | 0 | 0 | 0 | 0 |
| 2.2.3 | No Timing | AAA | - | - | - | 0 | 0 | 0 | 0 |
| 2.2.4 | Interruptions | AAA | - | - | - | 0 | 0 | 0 | 0 |
| 2.2.5 | Re-authenticating | AAA | - | - | - | 0 | 0 | 0 | 0 |
| 2.3.1 | Three Flashes or Below Threshold | A | - | - | - | 0 | 0 | 0 | 0 |
| 2.3.2 | Three Flashes | AAA | - | - | - | 0 | 0 | 0 | 0 |
| 2.4.1 | Bypass Blocks | A | ○ | ○ | 100% | 1 | 0 | 1 | 0 |
| 2.4.2 | Page Titled | A | ○ | ○ | 100% | 1 | 0 | 1 | 0 |
| 2.4.3 | Focus Order | A | ○ | × | 0% | 1 | 0 | 0 | 1 |
| 2.4.4 | Link Purpose (In Context) | A | ○ | ○ | 100% | 45 | 0 | 45 | 0 |
| 2.4.5 | Multiple Ways | AA | ○ | ○ | 100% | 1 | 0 | 1 | 0 |
| 2.4.6 | Headings and Labels | AA | ○ | ○ | 100% | 17 | 0 | 17 | 0 |
| 2.4.7 | Focus Visible | AA | ○ | ○ | 100% | 1 | 0 | 1 | 0 |
| 2.4.8 | Location | AAA | - | - | - | 0 | 0 | 0 | 0 |
| 2.4.9 | Link Purpose (Link Only) | AAA | - | - | - | 0 | 0 | 0 | 0 |
| 2.4.10 | Section Headings | AAA | - | - | - | 0 | 0 | 0 | 0 |
| 3.1.1 | Language of Page | A | ○ | ○ | 100% | 1 | 0 | 1 | 0 |
| 3.1.2 | Language of Parts | AA | ○ | ○ | 100% | 1 | 0 | 1 | 0 |
| 3.1.3 | Unusual Words | AAA | - | - | - | 0 | 0 | 0 | 0 |
| 3.1.4 | Abbreviations | AAA | - | - | - | 0 | 0 | 0 | 0 |
| 3.1.5 | Reading Level | AAA | - | - | - | 0 | 0 | 0 | 0 |
| 3.1.6 | Pronunciation | AAA | - | - | - | 0 | 0 | 0 | 0 |
| 3.2.1 | On Focus | A | - | - | - | 0 | 0 | 0 | 0 |
| 3.2.2 | On Input | A | - | - | - | 0 | 0 | 0 | 0 |
| 3.2.3 | Consistent Navigation | AA | ○ | ○ | 100% | 1 | 0 | 1 | 0 |
| 3.2.4 | Consistent Identification | AA | ○ | × | 0% | 1 | 0 | 0 | 1 |
| 3.2.5 | Change on Request | AAA | - | - | - | 0 | 0 | 0 | 0 |
| 3.3.1 | Error Identification | A | - | - | - | 0 | 0 | 0 | 0 |
| 3.3.2 | Labels or Instructions | A | ○ | ○ | 100% | 3 | 0 | 3 | 0 |
| 3.3.3 | Error Suggestion | AA | ○ | ○ | 100% | 2 | 0 | 2 | 0 |
| 3.3.4 | Error Prevention (Legal, Financial, Data) | AA | - | - | - | 0 | 0 | 0 | 0 |
| 3.3.5 | Help | AAA | - | - | - | 0 | 0 | 0 | 0 |
| 3.3.6 | Error Prevention (All) | AAA | - | - | - | 0 | 0 | 0 | 0 |
| 4.1.1 | Parsing | A | ○ | ○ | 100% | 1 | 0 | 1 | 0 |
| 4.1.2 | Name, Role, Value | A | ○ | ○ | 100% | 4 | 0 | 4 | 0 |
| Total | 232 | 0 | 224 | 8 | |||||
Types of symbols:
- For application
- ○: Applicable, -: Not applicable
- For conformance
- ○: Conformance (success level 100%), △: Success level less than 100%, ×: Non-conformance (success level 0%), -: Not applicable