.updates-library {
  --updates-blue: #315ee7;
  --updates-text: #252525;
  --updates-muted: #686868;
  --updates-line: #e5e5e5;
  background: #f8f8f8;
  color: var(--updates-text);
  font-family: Inter, "Noto Sans JP", sans-serif;
  min-height: 70vh;
  padding: 136px 32px 112px;
}
.updates-library *, .updates-library *::before, .updates-library *::after { box-sizing: border-box; }
.updates-library__shell { margin-inline: auto; max-width: 1200px; }
.updates-library__hero { text-align: center; }
.updates-library__kicker { color: #999; font-family: Anton, sans-serif; font-size: 16px; letter-spacing: .06em; margin: 0 0 10px; }
.updates-library h1 { font-size: clamp(32px, 3.5vw, 46px); font-weight: 700; line-height: 1.45; margin: 0; }
.updates-library__lead { color: var(--updates-muted); font-size: 16px; line-height: 1.8; margin: 16px 0 0; }
.updates-library__filters { display: flex; gap: 10px; justify-content: center; margin: 36px 0 48px; }
.updates-library__filters a { align-items: center; border: 1px solid #d9d9d9; border-radius: 999px; color: var(--updates-muted); display: inline-flex; font-size: 14px; font-weight: 600; justify-content: center; min-height: 46px; padding: 10px 26px; text-decoration: none; transition: background .3s, border-color .3s, color .3s; }
.updates-library__filters a:hover { background: #fff; border-color: #999; color: var(--updates-text); }
.updates-library__filters a[aria-current="page"] { background: var(--updates-text); border-color: var(--updates-text); color: #fff; }
.updates-library a:focus-visible, .updates-library summary:focus-visible { outline: 3px solid #315ee755; outline-offset: 4px; }
.updates-library__list { background: #fff; border: 1px solid var(--updates-line); border-radius: 10px; padding-inline: 36px; }
.updates-library__row { margin: 0; }
.updates-library__row + .updates-library__row { border-top: 1px solid var(--updates-line); }
.updates-library__row > a { align-items: center; color: inherit; display: grid; gap: 32px; grid-template-columns: 212px minmax(0, 1fr) 28px; min-height: 124px; padding-block: 30px; text-decoration: none; transition: color .3s; }
.updates-library__row > a:hover { color: var(--updates-blue); }
.updates-library__row-meta { align-items: center; display: flex; gap: 18px; }
.updates-library time { color: var(--updates-muted); font-size: 14px; font-variant-numeric: tabular-nums; white-space: nowrap; }
.updates-library__type { background: #f2f2f2; border-radius: 4px; color: #5b5b5b; display: inline-block; font-size: 12px; font-weight: 500; line-height: 1.5; padding: 5px 10px; white-space: nowrap; width: fit-content; }
.updates-library__row h2 { font-size: 18px; font-weight: 600; line-height: 1.75; margin: 0; overflow-wrap: anywhere; }
/* マニュアルと同じ枠固定・矢印入れ替え。リンク全域を操作対象にする。 */
.updates-library__arrow { align-items: center; border: 1px solid #d2d2d2; border-radius: 5px; color: #555; display: inline-grid; flex-shrink: 0; height: 28px; justify-items: center; overflow: hidden; transition: border-color .3s, color .3s; width: 28px; }
.updates-library__arrow > svg { display: block; grid-area: 1 / 1; height: 16px; transform: translateX(0); transition: transform .3s cubic-bezier(.4,.4,0,1); width: 16px; }
.updates-library__arrow > svg:last-child { transform: translateX(-180%); }
.updates-library a:is(:hover, :focus-visible) .updates-library__arrow { border-color: #a8b9ec; color: var(--updates-blue); }
.updates-library a:is(:hover, :focus-visible) .updates-library__arrow > svg:first-child { transform: translateX(180%); }
.updates-library a:is(:hover, :focus-visible) .updates-library__arrow > svg:last-child { transform: translateX(0); }
.updates-library__pagination { margin-top: 40px; }
.updates-library__pagination ul { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; list-style: none; margin: 0; padding: 0; }
.updates-library__pagination a, .updates-library__pagination .current, .updates-library__pagination .dots { align-items: center; border-radius: 5px; color: inherit; display: inline-flex; font-size: 14px; justify-content: center; min-height: 44px; min-width: 44px; padding: 8px 12px; text-decoration: none; }
.updates-library__pagination a { background: #fff; border: 1px solid var(--updates-line); transition: color .3s, border-color .3s; }
.updates-library__pagination a:hover { border-color: var(--updates-blue); color: var(--updates-blue); }
.updates-library__pagination .current { background: var(--updates-text); color: #fff; }
.updates-library__empty { background: #fff; border: 1px solid var(--updates-line); border-radius: 10px; padding: 64px 24px; text-align: center; }
.updates-library__empty p { margin: 0 0 20px; }
.updates-library__empty a, .updates-library__content a, .updates-library__historical a { color: var(--updates-blue); text-underline-offset: 4px; transition: color .3s; }
.updates-library__empty a:hover, .updates-library__content a:hover, .updates-library__historical a:hover { color: #1e3da0; }
.updates-library__breadcrumb { align-items: center; color: var(--updates-muted); display: flex; flex-wrap: wrap; font-size: 14px; gap: 10px; line-height: 1.7; margin-bottom: 28px; }
.updates-library__breadcrumb a { color: inherit; text-decoration: none; transition: color .3s; }
.updates-library__breadcrumb a:hover { color: var(--updates-blue); }
.updates-library__breadcrumb [aria-current="page"] { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.updates-library__article-layout { margin-inline: auto; max-width: 936px; }
.updates-library__article-layout.has-toc { align-items: start; display: grid; gap: 40px; grid-template-columns: minmax(0, 1fr) 224px; max-width: none; }
.updates-library__paper { background: #fff; border: 1px solid var(--updates-line); border-radius: 10px; min-width: 0; padding: 44px 48px; }
.updates-library__detail-hero { border-bottom: 1px solid var(--updates-line); margin-bottom: 32px; padding-bottom: 28px; }
.updates-library__detail-hero > .updates-library__type { margin: 0 0 16px; }
.updates-library__detail-hero h1 { font-size: clamp(26px, 2.8vw, 36px); line-height: 1.6; overflow-wrap: anywhere; }
.updates-library__meta { align-items: center; color: var(--updates-muted); display: flex; flex-wrap: wrap; font-size: 14px; gap: 8px 20px; line-height: 1.7; margin-top: 24px; }
.updates-library__historical { background: #f6f6f6; border-radius: 6px; color: #606060; font-size: 14px; line-height: 1.85; margin-bottom: 36px; padding: 18px 22px; }
.updates-library__historical p { margin: 0; }
.updates-library__historical p + p { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 8px; }
.updates-library__content { font-size: 16px; line-height: 1.9; min-width: 0; overflow-wrap: anywhere; }
.updates-library__content > :first-child { margin-top: 0; }
.updates-library__content h2 { font-size: clamp(22px, 2.3vw, 26px); line-height: 1.6; margin: 56px 0 22px; scroll-margin-top: 24px; }
.updates-library__content h3 { font-size: 20px; line-height: 1.6; margin: 36px 0 18px; }
.updates-library__content p, .updates-library__content ul, .updates-library__content ol, .updates-library__content table, .updates-library__content figure { margin-block: 0 24px; }
.updates-library__content ul, .updates-library__content ol { padding-left: 1.5em; }
.updates-library__content li + li { margin-top: 10px; }
.updates-library__content li::marker { color: #777; }
.updates-library__content img { height: auto; max-width: 100%; }
.updates-library__content figure { margin-inline: 0; }
.updates-library__content .wp-block-table { overflow-x: auto; }
.updates-library__content table { border-collapse: collapse; font-size: 14px; line-height: 1.85; width: 100%; }
.updates-library__content th, .updates-library__content td { border: 1px solid var(--updates-line); padding: 14px 18px; text-align: left; vertical-align: top; }
.updates-library__content th { background: #f5f5f5; font-weight: 600; }
.updates-library__content blockquote { background: #f6f6f6; border-left: 3px solid #bbb; margin: 28px 0; padding: 20px 24px; }
.updates-library__content blockquote > :last-child { margin-bottom: 0; }
.updates-library__article-links { border-top: 1px solid var(--updates-line); display: flex; flex-wrap: wrap; gap: 16px 28px; justify-content: space-between; margin-top: 56px; padding-top: 28px; }
.updates-library__article-links a { align-items: center; color: inherit; display: flex; font-size: 14px; font-weight: 600; gap: 16px; min-height: 44px; text-decoration: none; }
.updates-library__article-links a:hover { color: var(--updates-blue); }
@media (max-width: 1000px) {
  .updates-library__row > a { gap: 24px; grid-template-columns: minmax(0, 1fr) 28px; }
  .updates-library__row-meta { grid-column: 1; }
  .updates-library__row h2 { grid-column: 1; }
  .updates-library__row .updates-library__arrow { grid-column: 2; grid-row: 1 / 3; }
  .updates-library__row > a { row-gap: 12px; }
  .updates-library__article-layout.has-toc { gap: 28px; grid-template-columns: minmax(0, 1fr) 180px; }
  .updates-library__paper { padding: 36px 32px; }
}
@media (max-width: 800px) {
  .updates-library { padding: 112px 24px 80px; }
  .updates-library__article-layout.has-toc { display: block; }
}
@media (max-width: 639px) {
  .updates-library { padding: 98px 20px 64px; }
  .updates-library__kicker { font-size: 14px; }
  .updates-library h1 { font-size: 30px; }
  .updates-library__lead { font-size: 14px; margin-top: 14px; }
  .updates-library__filters { gap: 6px; margin: 28px 0 32px; }
  .updates-library__filters a { font-size: 12px; min-height: 44px; padding: 10px 15px; }
  .updates-library__list { padding-inline: 20px; }
  .updates-library__row > a { column-gap: 16px; grid-template-columns: minmax(0, 1fr) 24px; padding-block: 24px; }
  .updates-library__row-meta { flex-wrap: wrap; gap: 8px 14px; }
  .updates-library time { font-size: 12px; }
  .updates-library__type { font-size: 11px; padding: 4px 8px; }
  .updates-library__row h2 { font-size: 16px; }
  .updates-library__arrow { height: 24px; width: 24px; }
  .updates-library__arrow > svg { height: 14px; width: 14px; }
  .updates-library__breadcrumb { font-size: 12px; margin-bottom: 24px; }
  .updates-library__paper { padding: 28px 22px; }
  .updates-library__detail-hero { margin-bottom: 24px; padding-bottom: 24px; }
  .updates-library__detail-hero h1 { font-size: 24px; }
  .updates-library__meta { font-size: 12px; margin-top: 20px; }
  .updates-library__historical { font-size: 13px; padding: 16px; }
  .updates-library__content { font-size: 15px; }
  .updates-library__content h2 { font-size: 21px; margin-top: 44px; }
  .updates-library__content h3 { font-size: 18px; }
  .updates-library__content th, .updates-library__content td { font-size: 13px; padding: 12px; }
  .updates-library__article-links { gap: 6px; margin-top: 40px; padding-top: 20px; }
  .updates-library__article-links a { justify-content: space-between; width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  .updates-library *, .updates-library *::before, .updates-library *::after { transition: none !important; }
  .updates-library a:is(:hover, :focus-visible) .updates-library__arrow > svg:first-child { transform: none; }
  .updates-library__arrow > svg:last-child { display: none; }
}