/* =========================================================
   Hyperliquid Academy  ―  学習セクション専用スタイル
   既存ブランド変数（style.css の :root）を継承し、.academy- でスコープ。
   ライト基調・緑アクセント。
   ========================================================= */

.academy-badges { display:inline-flex; flex-wrap:wrap; gap:6px; align-items:center; }
.academy-badge {
  display:inline-flex; align-items:center; justify-content:center;
  font-size:11px; font-weight:700; line-height:1; letter-spacing:.02em;
  padding:4px 8px; border-radius:6px; white-space:nowrap;
}
.academy-badge--id   { background:var(--blue); color:#fff; font-family:Inter,sans-serif; }
.academy-badge--soon { background:#eef1f0; color:#7f928c; }
.academy-badge--u    { background:#fff6e6; color:#b07400; border:1px solid #f0dcae; }
.academy-badge--warn { background:#fff1f0; color:#c0392b; border:1px solid #f3cdc8; }
.academy-badge--core { background:var(--orange); color:#fff; }

/* ---------- ハブ Hero（.page-header を継承し、他ページと幅・上余白を統一） ---------- */
.academy-hero__progress { margin:20px 0 24px; }
.academy-hero__progress-bar { height:10px; background:#e3f3ef; border-radius:99px; overflow:hidden; }
.academy-hero__progress-bar span { display:block; height:100%; background:linear-gradient(90deg,var(--orange),var(--orange-l)); border-radius:99px; transition:width .6s ease; }
.academy-hero__progress-text { margin-top:10px; font-size:14px; color:var(--text-sub); }
.academy-hero__progress-text strong { color:var(--text); font-size:18px; }
.academy-hero__start { margin-top:6px; }

/* ===== ハブ（Docs Console / 改訂A） ===== */
/* 色付き帯の中の 5カテゴリ全体像 */
.academy-catnav { display:grid; grid-template-columns:repeat(5,1fr); gap:10px; margin-top:24px; }
.academy-catnav__item { display:flex; flex-direction:column; gap:3px; background:#fff; border:1px solid var(--border); border-radius:12px; padding:13px 15px; text-decoration:none; transition:transform .15s, box-shadow .15s, border-color .15s; }
.academy-catnav__item:hover { transform:translateY(-2px); box-shadow:var(--shadow); border-color:#bfe6dd; }
.academy-catnav__l { font:900 17px/1 Inter,sans-serif; color:var(--orange-dark); }
.academy-catnav__n { font-weight:800; font-size:14px; color:var(--text); }
.academy-catnav__c { font-size:12px; color:var(--text-light); font-weight:700; }

/* 2カラム */
/* ヘッダー(pill=max1180 / calc(100%-36px))に、ヒーロー見出しと本文の幅・左端を統一 */
.academy-hero > .container { max-width:1180px; width:calc(100% - 36px); margin-left:auto; margin-right:auto; }
.academy-hub { padding:48px 24px 96px; max-width:1180px; width:calc(100% - 36px); margin-left:auto; margin-right:auto; }
/* ヒーロー説明文（分厚め・本文と同じ全幅まで広げる） */
.academy-hero__desc { margin:8px 0 24px; }
.academy-hero__desc p { font-size:15.5px; line-height:1.95; color:var(--text-sub); margin:0 0 12px; }
.academy-hero__desc p:last-child { margin-bottom:0; }
.academy-hero__desc strong { color:var(--text); font-weight:800; }
.academy-hero__count { font-size:14px; color:var(--text-sub); margin:18px 0 0; }
.academy-hero__count strong { color:var(--text); font-weight:800; font-size:15px; }
.academy-hub__grid { display:grid; grid-template-columns:248px 1fr; gap:48px; align-items:start; }
.academy-hub__side { position:sticky; top:100px; }
.academy-side__h { font-size:12px; letter-spacing:.14em; text-transform:uppercase; color:var(--text-light); font-weight:700; margin:0 0 12px; }
.academy-chapters { list-style:none; margin:0; padding:0; position:relative; }
.academy-chapters::before { content:""; position:absolute; left:13px; top:6px; bottom:6px; width:2px; background:linear-gradient(180deg,var(--orange-l),var(--border)); }
.academy-chapters li { position:relative; padding:7px 0 7px 38px; }
.academy-chapters li::before { content:attr(data-n); position:absolute; left:4px; top:6px; width:20px; height:20px; border-radius:50%; background:#fff; border:2px solid var(--orange); color:var(--orange-dark); font:800 10px/16px Inter,sans-serif; text-align:center; }
.academy-chapters li.soon::before { border-color:#cdd9d5; color:#aab8b3; }
.academy-chapters a { font-size:13.5px; font-weight:600; color:var(--text); display:flex; justify-content:space-between; gap:8px; text-decoration:none; align-items:baseline; }
.academy-chapters a:hover { color:var(--orange-dark); }
.academy-chapters .c { color:var(--text-light); font-weight:700; font-size:12px; flex:none; }
.academy-chapters li.soon a { color:var(--text-light); }
.academy-side__links { list-style:none; margin:0; padding:0; }
.academy-side__links li { padding:6px 0; }
.academy-side__links a { font-size:13.5px; color:var(--text-sub); text-decoration:none; }
.academy-side__links a:hover { color:var(--orange-dark); }

/* どこから読む？（読者タイプ別の推薦） */
.academy-routing { margin-bottom:46px; }
.academy-routing__h { font-size:21px; margin:0 0 16px; }
.academy-routing__grid { display:grid; grid-template-columns:1fr 1fr; gap:12px; }
.academy-route { display:flex; flex-direction:column; gap:5px; padding:15px 18px; border:1px solid var(--border); border-radius:12px; background:var(--bg-soft); text-decoration:none; transition:border-color .15s, background .15s, transform .15s; }
.academy-route:hover { border-color:var(--orange); background:#fff; transform:translateY(-2px); }
.academy-route__who { font-size:13px; font-weight:800; color:var(--text); }
.academy-route__who::before { content:"「"; }
.academy-route__who::after { content:"」な人は"; font-weight:700; color:var(--text-sub); }
.academy-route__to { font-size:14px; color:var(--orange-dark); font-weight:700; }
.academy-route__to::after { content:"　→"; }

/* 本編カリキュラム全章 */
.academy-curriculum__h h2 { font-size:22px; display:flex; align-items:baseline; gap:12px; margin:0 0 6px; }
.academy-curriculum__h h2 span { font-size:13px; font-weight:700; color:var(--text-light); }
.academy-curriculum__lead { font-size:13.5px; color:var(--text-sub); margin:0 0 8px; line-height:1.8; }
.academy-chap { padding:22px 0 6px; border-top:1px solid var(--border); margin-top:18px; scroll-margin-top:100px; }
.academy-chap__head { display:flex; align-items:center; gap:12px; margin-bottom:8px; }
.academy-chap__n { flex:none; width:30px; height:30px; border-radius:50%; background:var(--blue); color:#fff; font:800 14px/30px Inter,sans-serif; text-align:center; }
.academy-chap__head h3 { font-size:18px; margin:0; flex:1; }
.academy-chap__meta { font-size:12.5px; font-weight:700; color:var(--text-light); white-space:nowrap; }
.academy-rows { list-style:none; margin:0; padding:0 0 0 42px; }
.academy-row { border-bottom:1px solid var(--border); }
.academy-row:last-child { border-bottom:none; }
.academy-row a { display:flex; align-items:center; gap:12px; padding:11px 8px; text-decoration:none; border-radius:8px; transition:background .14s; }
.academy-row a:hover { background:var(--bg-soft); }
.academy-row__check { flex:none; width:18px; height:18px; border-radius:50%; border:2px solid var(--border); background:#fff; position:relative; }
.academy-row.is-read .academy-row__check { background:var(--orange); border-color:var(--orange); }
.academy-row.is-read .academy-row__check::after { content:"✓"; position:absolute; inset:0; display:flex; align-items:center; justify-content:center; color:#fff; font-size:10px; font-weight:900; }
.academy-row__title { flex:1; font-size:14.5px; font-weight:600; color:var(--text); }
.academy-row__u { display:inline-flex; align-items:center; justify-content:center; font-size:10px; font-weight:800; color:var(--orange-dark); background:#fbf3df; border:1px solid #efe0b4; border-radius:5px; padding:1px 5px; margin-left:4px; vertical-align:middle; }
.academy-row__meta { flex:none; font-size:12px; color:var(--text-light); }
.academy-row.is-soon .academy-row__title { color:var(--text-light); }
.academy-row.is-soon .academy-badge--id { background:#eef2f1; color:#8a9a95; }

@media(max-width:900px){
  .academy-catnav { grid-template-columns:1fr 1fr; }
  .academy-hub__grid { grid-template-columns:1fr; }
  .academy-hub__side { position:static; margin-bottom:8px; }
  .academy-routing__grid { grid-template-columns:1fr; }
}

/* ---------- 共通セクション見出し ---------- */
.academy-section-title { font-size:clamp(22px,3vw,28px); text-align:center; margin:0 0 8px; color:var(--text); }
.academy-section-lead { text-align:center; color:var(--text-sub); margin:0 0 30px; }
.section .academy-section-title + .academy-cats__grid,
.section .academy-section-title + .academy-steps__grid { margin-top:30px; }

/* ---------- 歩き方 3ステップ ---------- */
.academy-steps__grid { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; margin-top:30px; }
.academy-step { background:var(--card); border:1px solid var(--border); border-radius:var(--radius); padding:26px 22px; box-shadow:var(--shadow); }
.academy-step__no { display:inline-flex; width:36px; height:36px; align-items:center; justify-content:center; border-radius:50%; background:var(--blue); color:#fff; font:800 18px Inter,sans-serif; margin-bottom:12px; }
.academy-step h3 { margin:0 0 8px; font-size:18px; color:var(--text); }
.academy-step p { margin:0; color:var(--text-sub); font-size:14px; line-height:1.8; }

/* ---------- 5カテゴリ カード ---------- */
.academy-cats__grid { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.academy-cat-card { display:flex; flex-direction:column; gap:8px; position:relative; background:var(--card); border:1px solid var(--border); border-radius:var(--radius); padding:24px 22px 22px; box-shadow:var(--shadow); text-decoration:none; transition:transform .18s ease, box-shadow .18s ease; overflow:hidden; }
.academy-cat-card:hover { transform:translateY(-3px); box-shadow:var(--shadow-lg); }
.academy-cat-card__letter { position:absolute; top:14px; right:18px; font:900 40px Inter,sans-serif; color:var(--bg-alt); line-height:1; }
.academy-cat-card__name { font-size:19px; font-weight:800; color:var(--text); }
.academy-cat-card__desc { font-size:13.5px; color:var(--text-sub); line-height:1.75; min-height:3.4em; }
.academy-cat-card__count { margin-top:6px; font-size:13px; font-weight:700; color:var(--orange-dark); }
.academy-cat-card::after { content:""; position:absolute; left:0; top:0; width:4px; height:100%; background:var(--orange); opacity:.85; }

/* ---------- カテゴリページ ---------- */
.academy-cat-header__count { margin-top:14px; font-size:14px; color:var(--text-sub); }
.academy-cat-header__count strong { color:var(--orange-dark); font-size:18px; }
.academy-filters { display:flex; gap:8px; margin:0 0 28px; flex-wrap:wrap; }
.academy-filter { font-size:13px; font-weight:700; padding:7px 16px; border-radius:99px; border:1px solid var(--border); background:#fff; color:var(--text-sub); cursor:pointer; transition:all .15s ease; }
.academy-filter:hover { border-color:var(--orange); color:var(--orange-dark); }
.academy-filter.is-active { background:var(--blue); border-color:var(--blue); color:#fff; }

/* ---------- 章タイムライン（B群） ---------- */
.academy-chapter { margin:0 0 36px; }
.academy-chapter__title { font-size:19px; color:var(--text); margin:0 0 18px; padding:0 0 10px; border-bottom:2px solid var(--border); }
.academy-timeline { position:relative; display:flex; flex-direction:column; gap:14px; padding-left:26px; }
.academy-timeline::before { content:""; position:absolute; left:7px; top:6px; bottom:6px; width:2px; background:linear-gradient(180deg,var(--orange-l),var(--border)); }
.academy-timeline .academy-card::before { content:""; position:absolute; left:-26px; top:24px; width:14px; height:14px; border-radius:50%; background:#fff; border:3px solid var(--orange); }
.academy-timeline .academy-card.is-soon::before { border-color:#c9d4d1; }

/* ---------- グリッド ---------- */
.academy-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:16px; }
.academy-grid--3 { grid-template-columns:repeat(3,1fr); }

/* ---------- 記事カード（共通） ---------- */
.academy-card { position:relative; display:flex; flex-direction:column; gap:8px; background:var(--card); border:1px solid var(--border); border-radius:var(--radius); padding:18px 20px; box-shadow:var(--shadow); text-decoration:none; transition:transform .16s ease, box-shadow .16s ease, border-color .16s ease; }
.academy-card:hover { transform:translateY(-2px); box-shadow:var(--shadow-lg); border-color:#bfe6dd; }
.academy-card.is-soon { background:#fafbfb; box-shadow:none; }
.academy-card.is-soon .academy-card__title { color:#7f928c; }
.academy-card__head { display:flex; align-items:center; justify-content:space-between; }
.academy-card__chapter { font-size:12px; color:var(--text-light); font-weight:700; }
.academy-card__title { font-size:16px; font-weight:800; color:var(--text); line-height:1.5; }
.academy-card__summary { font-size:13px; color:var(--text-sub); line-height:1.7; }
.academy-card__meta { display:flex; align-items:center; justify-content:space-between; margin-top:2px; font-size:12.5px; color:var(--text-light); }
.academy-card__go { color:var(--orange-dark); font-weight:700; }
.academy-card__soon { color:#9aa; }
.academy-card__check { position:absolute; top:16px; right:16px; width:20px; height:20px; border-radius:50%; border:2px solid var(--border); background:#fff; opacity:0; transition:opacity .15s; }
.academy-card.is-read .academy-card__check { opacity:1; background:var(--orange); border-color:var(--orange); }
.academy-card.is-read .academy-card__check::after { content:"✓"; position:absolute; inset:0; display:flex; align-items:center; justify-content:center; color:#fff; font-size:12px; font-weight:900; }

/* ---------- カテゴリ間ナビ ---------- */
.academy-cat-nav { display:flex; flex-wrap:wrap; gap:16px 24px; align-items:center; justify-content:space-between; margin-top:36px; padding-top:24px; border-top:1px solid var(--border); }
.academy-cat-nav__hub { font-weight:700; color:var(--orange-dark); text-decoration:none; }
.academy-cat-nav__others { display:flex; flex-wrap:wrap; gap:8px 16px; }
.academy-cat-nav__others a { font-size:14px; color:var(--text-sub); text-decoration:none; }
.academy-cat-nav__others a:hover { color:var(--orange-dark); text-decoration:underline; }

/* ---------- 記事ページ ---------- */
.academy-header__badges { display:flex; flex-wrap:wrap; align-items:center; gap:10px; margin:12px 0 8px; }
.academy-header__cat { font-size:13px; font-weight:700; color:var(--orange-dark); }
.academy-header__meta { display:flex; flex-wrap:wrap; gap:18px; margin-top:14px; font-size:13px; color:var(--text-light); }
.academy-single__inner { max-width:760px; }
.academy-progress-mini { display:flex; align-items:center; gap:14px; background:var(--bg-soft); border:1px solid var(--border); border-radius:12px; padding:12px 16px; margin:0 0 26px; }
.academy-progress-mini__label { font-size:13px; color:var(--text-sub); white-space:nowrap; }
.academy-progress-mini__label strong { color:var(--orange-dark); }
.academy-progress-mini__bar { flex:1; height:6px; background:#e3f3ef; border-radius:99px; overflow:hidden; }
.academy-progress-mini__bar span { display:block; height:100%; background:var(--orange); border-radius:99px; }

.academy-notice { border-radius:12px; padding:14px 18px; margin:0 0 20px; font-size:14px; line-height:1.8; }
.academy-notice strong { display:block; margin-bottom:4px; }
.academy-notice--warn { background:#fff7f6; border:1px solid #f3cdc8; color:#a23b2c; }
.academy-notice--research { background:var(--bg-soft); border:1px solid var(--border); color:var(--text-sub); font-size:13px; }
.academy-notice--preview { background:#fff8e6; border:1px solid #f0dca8; color:#7a5e12; }
.academy-prose__placeholder { color:var(--text-light); background:#fafbfb; border:1px dashed var(--border); border-radius:12px; padding:18px; }
.academy-disclaimer { margin-top:28px; padding-top:18px; border-top:1px solid var(--border); font-size:12.5px; line-height:1.8; color:var(--text-light); }

/* ---------- 公開予定（Coming Soon）プレースホルダ ---------- */
.academy-soon-box { text-align:center; background:var(--bg-soft); border:1px solid var(--border); border-radius:var(--radius-lg); padding:48px 28px; }
.academy-soon-box__icon { font-size:40px; margin-bottom:8px; }
.academy-soon-box h2 { font-size:22px; margin:0 0 14px; color:var(--text); }
.academy-soon-box__sum { font-size:15px; color:var(--text-sub); max-width:520px; margin:0 auto 14px; }
.academy-soon-box p { color:var(--text-sub); line-height:1.9; }
.academy-soon-box__cta { display:flex; flex-direction:column; align-items:center; gap:14px; margin-top:24px; }
.academy-soon-box__x { font-weight:700; color:var(--orange-dark); text-decoration:none; }

/* ---------- ★回遊UI（Nextブロック） ---------- */
.academy-next { margin:36px 0 0; padding:24px; background:#fff; border:1px solid var(--border); border-radius:var(--radius-lg); box-shadow:var(--shadow); }
.academy-read-toggle { display:inline-flex; align-items:center; gap:10px; background:none; border:none; cursor:pointer; font-size:14px; font-weight:700; color:var(--text-sub); padding:6px 0; margin-bottom:8px; }
.academy-read-toggle__box { width:22px; height:22px; border-radius:6px; border:2px solid var(--border); background:#fff; transition:all .15s; position:relative; }
.academy-read-toggle[aria-pressed="true"] .academy-read-toggle__box { background:var(--orange); border-color:var(--orange); }
.academy-read-toggle[aria-pressed="true"] .academy-read-toggle__box::after { content:"✓"; position:absolute; inset:0; display:flex; align-items:center; justify-content:center; color:#fff; font-size:13px; font-weight:900; }
.academy-read-toggle[aria-pressed="true"] .academy-read-toggle__text::after { content:"（読了済み）"; color:var(--orange-dark); }

.academy-next__label { font:700 12px/1 Inter,sans-serif; letter-spacing:.12em; color:var(--orange-dark); margin:16px 0 10px; }
.academy-next__main { display:flex; flex-direction:column; gap:8px; padding:20px 22px; border:2px solid var(--orange); border-radius:var(--radius); background:linear-gradient(180deg,var(--bg-soft),#fff); text-decoration:none; position:relative; transition:transform .16s ease, box-shadow .16s ease; }
.academy-next__main:hover { transform:translateY(-2px); box-shadow:var(--shadow-lg); }
.academy-next__main.is-soon { border-color:var(--border); border-style:dashed; background:#fafbfb; }
.academy-next__main-title { font-size:19px; font-weight:800; color:var(--text); line-height:1.5; }
.academy-next__main-sum { font-size:13.5px; color:var(--text-sub); line-height:1.7; }
.academy-next__main-meta { font-size:13px; color:var(--text-light); display:flex; align-items:center; gap:6px; }
.academy-next__arrow { margin-left:auto; font-size:22px; color:var(--orange); font-weight:700; }

.academy-next__rel-label { font:700 12px/1 Inter,sans-serif; letter-spacing:.08em; color:var(--text-sub); margin:22px 0 10px; }
.academy-next__rel { list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:8px; }
.academy-next__rel-item a, .academy-next__rel-inner { display:flex; align-items:center; gap:12px; padding:12px 14px; border:1px solid var(--border); border-radius:10px; text-decoration:none; background:#fff; transition:border-color .15s, background .15s; }
.academy-next__rel-item a:hover { border-color:var(--orange); background:var(--bg-soft); }
.academy-next__rel-item.is-soon .academy-next__rel-inner { background:#fafbfb; }
.academy-next__rel-tag { flex:none; font-size:11px; font-weight:700; padding:3px 9px; border-radius:6px; background:var(--bg-alt); color:var(--orange-dark); }
.academy-next__rel-title { font-size:14px; color:var(--text); font-weight:600; }
.academy-next__rel-item.is-soon .academy-next__rel-title { color:#8a9a95; }
.academy-next__rel-soon { margin-left:auto; flex:none; font-size:11px; font-weight:700; color:#9aa; }

.academy-next__nav { display:flex; flex-wrap:wrap; gap:14px; align-items:center; justify-content:space-between; margin-top:22px; padding-top:18px; border-top:1px solid var(--border); }
.academy-next__prev { font-size:14px; color:var(--text-sub); text-decoration:none; }
.academy-next__prev:hover { color:var(--orange-dark); }
.academy-next__index { font-size:14px; font-weight:700; color:var(--orange-dark); text-decoration:none; }

/* ---------- レスポンシブ ---------- */
@media (max-width:900px){
  .academy-steps__grid, .academy-cats__grid, .academy-grid--3 { grid-template-columns:1fr 1fr; }
}
@media (max-width:680px){
  .academy-steps__grid, .academy-cats__grid, .academy-grid, .academy-grid--3 { grid-template-columns:1fr; }
  .academy-next { padding:18px; }
  .academy-next__nav { flex-direction:column; align-items:flex-start; }
  .academy-progress-mini { flex-direction:column; align-items:flex-start; gap:8px; }
}