/* 使い方ガイド（/docs/ja/）専用。news.css の上に重ねる。
   色・角丸はすべて colors_and_type.css のトークン経由（hex 直書きはしない）。 */

.docs-main {
  padding: 48px 0 96px;
}

/* ---------------------------------------------------------------- 目次ページ */

.docs-hero {
  max-width: 720px;
  margin: 0 auto 40px;
  text-align: center;
}
.docs-hero h1 {
  font-size: clamp(28px, 5vw, 40px);
  line-height: 1.25;
  color: var(--fg);
  margin: 0 0 12px;
}
.docs-hero p {
  color: var(--fg-muted);
  font-size: 15px;
  line-height: 1.7;
  margin: 0;
}

.docs-index {
  display: grid;
  gap: 28px;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  align-items: start;
}
.docs-index-group h2 {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--chalk-500);
  margin: 0 0 10px;
}
.docs-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border: 1px solid var(--chalk-100);
  border-radius: 14px;
  background: var(--surface);
  overflow: hidden;
}
.docs-index-list li + li {
  border-top: 1px solid var(--chalk-100);
}
.docs-index-list a {
  display: block;
  padding: 14px 16px;
  text-decoration: none;
  transition: background-color 0.15s ease;
}
.docs-index-list a:hover {
  background: var(--surface-hover);
}
.docs-index-title {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--fg);
}
.docs-index-desc {
  display: block;
  margin-top: 3px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--fg-muted);
}

/* ------------------------------------------------------------ 本文レイアウト */

.docs-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) 200px;
  gap: 40px;
  align-items: start;
}

.docs-sidebar {
  position: sticky;
  top: 88px;
  font-size: 14px;
}
.docs-sidebar-home {
  display: block;
  font-weight: 700;
  color: var(--fg);
  text-decoration: none;
  margin-bottom: 18px;
}
.docs-nav-group + .docs-nav-group {
  margin-top: 20px;
}
.docs-nav-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--chalk-400);
  margin: 0 0 6px;
}
.docs-sidebar ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.docs-sidebar li a {
  display: block;
  padding: 5px 10px;
  margin-left: -10px;
  border-radius: 6px;
  color: var(--fg-muted);
  text-decoration: none;
  line-height: 1.5;
}
.docs-sidebar li a:hover {
  background: var(--surface-hover);
  color: var(--fg);
}
.docs-sidebar li a.is-active {
  background: var(--court-100);
  color: var(--navy-900);
  font-weight: 600;
}

.docs-article {
  min-width: 0;
}
.docs-article h1 {
  font-size: clamp(26px, 4vw, 34px);
  line-height: 1.3;
  color: var(--fg);
  margin: 0 0 10px;
}
.docs-lead {
  font-size: 15px;
  line-height: 1.75;
  color: var(--fg-muted);
  margin: 0 0 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--chalk-100);
}

.docs-body {
  font-size: 15px;
  line-height: 1.85;
  color: var(--fg);
}
.docs-body h2 {
  font-size: 21px;
  line-height: 1.4;
  margin: 40px 0 12px;
  padding-top: 8px;
  scroll-margin-top: 88px;
}
.docs-body h3 {
  font-size: 17px;
  line-height: 1.5;
  margin: 28px 0 8px;
  scroll-margin-top: 88px;
}
.docs-body p {
  margin: 0 0 16px;
}
.docs-body ul,
.docs-body ol {
  margin: 0 0 16px;
  padding-left: 22px;
}
.docs-body li {
  margin-bottom: 6px;
}
.docs-body a {
  color: var(--court-700);
  text-underline-offset: 3px;
}
.docs-body strong {
  font-weight: 700;
  color: var(--fg);
}
.docs-body code {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.88em;
  padding: 2px 6px;
  border-radius: 6px;
  background: var(--chalk-100);
}
.docs-body pre {
  overflow-x: auto;
  padding: 14px 16px;
  border-radius: 14px;
  background: var(--navy-900);
  color: var(--chalk-100);
  margin: 0 0 16px;
}
.docs-body pre code {
  background: none;
  padding: 0;
  color: inherit;
}
.docs-body blockquote {
  margin: 0 0 16px;
  padding: 12px 16px;
  border-left: 3px solid var(--court-400);
  border-radius: 0 6px 6px 0;
  background: var(--court-50);
  color: var(--chalk-700);
}
.docs-body blockquote p:last-child {
  margin-bottom: 0;
}
.docs-body hr {
  border: 0;
  border-top: 1px solid var(--chalk-100);
  margin: 32px 0;
}
.docs-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.docs-body th,
.docs-body td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--chalk-100);
  text-align: left;
  vertical-align: top;
}
.docs-body th {
  font-weight: 700;
  background: var(--chalk-50);
}

/* 見出しの # リンクはホバーで出す（本文の読みを邪魔しない） */
.docs-anchor {
  margin-left: 8px;
  color: var(--chalk-300);
  text-decoration: none;
  opacity: 0;
  transition: opacity 0.15s ease;
}
.docs-body h2:hover .docs-anchor,
.docs-body h3:hover .docs-anchor,
.docs-anchor:focus {
  opacity: 1;
}

.docs-updated,
.docs-help {
  font-size: 13px;
  color: var(--chalk-500);
  margin: 0;
}
.docs-updated {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--chalk-100);
}
.docs-help {
  margin-top: 6px;
}

/* ------------------------------------------------------- このページの目次 */

.docs-toc {
  position: sticky;
  top: 88px;
  font-size: 13px;
}
.docs-toc-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--chalk-400);
  margin: 0 0 8px;
}
.docs-toc ul {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--chalk-100);
}
.docs-toc li a {
  display: block;
  padding: 4px 0 4px 12px;
  margin-left: -1px;
  border-left: 1px solid transparent;
  color: var(--fg-muted);
  text-decoration: none;
  line-height: 1.5;
}
.docs-toc li a:hover {
  border-left-color: var(--court-400);
  color: var(--fg);
}
.docs-toc li.lv3 a {
  padding-left: 24px;
}

/* ------------------------------------------------------------------ 狭い画面 */

@media (max-width: 1100px) {
  .docs-layout {
    grid-template-columns: 200px minmax(0, 1fr);
  }
  .docs-toc {
    display: none;
  }
}

@media (max-width: 760px) {
  .docs-main {
    padding: 28px 0 64px;
  }
  .docs-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }
  /* サイドバーは本文の下に畳んで置く（上に長い目次があると本文に届かない） */
  .docs-sidebar {
    position: static;
    order: 2;
    padding-top: 24px;
    border-top: 1px solid var(--chalk-100);
  }
  .docs-article {
    order: 1;
  }
}