2026年1月

2026年1月に主要ブラウザで使えるようになったCSSプロパティ。

anchor-name

property
MDN Document
Browser Support
  • Chrome

    v125+
    2024-05-14
  • Edge

    v125+
    2024-05-17
  • Safari

    v26+
    2025-09-15
  • Safari (iOS)

    v26+
    2025-09-15
  • Firefox

    v147+
    2026-01-13

anchor-scope

property
MDN Document
Browser Support
  • Chrome

    v131+
    2024-11-12
  • Edge

    v131+
    2024-11-14
  • Safari

    v26+
    2025-09-15
  • Safari (iOS)

    v26+
    2025-09-15
  • Firefox

    v147+
    2026-01-13

position-area

property
MDN Document
Browser Support
  • Chrome

    v129+
    2024-09-17
    フォールバック
    v125 - v131
    inset-area
  • Edge

    v129+
    2024-09-19
    フォールバック
    v125 - v131
    inset-area
  • Safari

    v26+
    2025-09-15
  • Safari (iOS)

    v26+
    2025-09-15
  • Firefox

    v147+
    2026-01-13

position-try

property
MDN Document
Browser Support
  • Chrome

    v125+
    2024-05-14
  • Edge

    v125+
    2024-05-17
  • Safari

    v26+
    2025-09-15
  • Safari (iOS)

    v26+
    2025-09-15
  • Firefox

    v147+
    2026-01-13

position-try-fallbacks

property
MDN Document
Browser Support
  • Chrome

    v128+
    2024-08-20
    フォールバック
    v125 - v128
    position-try-options
  • Edge

    v128+
    2024-08-22
    フォールバック
    v125 - v128
    position-try-options
  • Safari

    v26+
    2025-09-15
  • Safari (iOS)

    v26+
    2025-09-15
  • Firefox

    v147+
    2026-01-13

position-visibility

property
MDN Document
Browser Support
  • Chrome

    v125+
    2024-05-14
  • Edge

    v125+
    2024-05-17
  • Safari

    v26.2+
    2025-12-12
  • Safari (iOS)

    v26.2+
    2025-12-12
  • Firefox

    v147+
    2026-01-13

position-try

Browser Support
  • Chrome

    v125+
    2024-05-14
  • Edge

    v125+
    2024-05-17
  • Safari

    v26+
    2025-09-15
  • Safari (iOS)

    v26+
    2025-09-15
  • Firefox

    v147+
    2026-01-13

active-view-transition-type

selector
MDN Document
Browser Support
  • Chrome

    v125+
    2024-05-14
  • Edge

    v125+
    2024-05-17
  • Safari

    v18.2+
    2024-12-11
  • Safari (iOS)

    v18.2+
    2024-12-11
  • Firefox

    v147+
    2026-01-13

anchor

Browser Support
  • Chrome

    v125+
    2024-05-14
  • Edge

    v125+
    2024-05-17
  • Safari

    v26+
    2025-09-15
  • Safari (iOS)

    v26+
    2025-09-15
  • Firefox

    v147+
    2026-01-13

anchor-size

Browser Support
  • Chrome

    v125+
    2024-05-14
  • Edge

    v125+
    2024-05-17
  • Safari

    v26+
    2025-09-15
  • Safari (iOS)

    v26+
    2025-09-15
  • Firefox

    v147+
    2026-01-13