/* ウルスタ アカデミー 会員画面の共通シェル
 * [academy 2026-07-25] 見本 _design/ULSTA_Academy_{MyPage,StudyNav,Quiz,MockExam}.dc.html は
 *   4画面ともサイドバー236px + 本文 の同じ骨格。各HTMLにコピペすると必ずずれるのでここに1本化する。
 *   色は design/palette.json（見本から抽出）内のものだけを使う。
 */
* { box-sizing: border-box; }
body {
  margin: 0;
  background: #f3efe6;
  color: #262420;
  font-family: 'Zen Kaku Gothic New', system-ui, sans-serif;
}
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 3px solid #10b981; outline-offset: 2px; border-radius: 6px; }

.shell { display: flex; min-height: 100vh; }

/* ---- sidebar ---- */
.side {
  width: 236px; flex: none; background: #0f2a20; color: #a9c4b7;
  padding: 22px 16px; display: flex; flex-direction: column;
}
.side-brand { display: flex; align-items: center; gap: 10px; padding: 6px 10px 22px; }
.side-mark {
  width: 32px; height: 32px; border-radius: 9px; background: #10b981;
  display: flex; align-items: center; justify-content: center; flex: none;
}
.side-brand-t { font-family: 'Space Grotesk', sans-serif; font-weight: 600; font-size: 13.5px; color: #fff; display: block; line-height: 1.1; }
.side-brand-s { font-size: 10px; color: #6ee7b7; }
.side-nav { display: flex; flex-direction: column; gap: 3px; }
.nav-i {
  display: flex; align-items: center; gap: 12px; padding: 11px 13px;
  border-radius: 10px; font-size: 13.5px; color: #a9c4b7; font-weight: 500;
}
.nav-i:hover { color: #fff; }
.nav-i.active { background: #123a2c; color: #fff; font-weight: 700; }
.side-foot { margin-top: auto; padding-top: 18px; }
.side-count { background: #123a2c; border: 1px solid #1d4d3a; border-radius: 13px; padding: 16px; margin-bottom: 12px; }
.side-count-l { font-size: 11px; color: #8fae9f; margin-bottom: 5px; }
.side-count-v { font-family: 'Newsreader', serif; font-weight: 700; font-size: 32px; color: #6ee7b7; line-height: 1; }
.side-count-u { font-size: 13px; color: #a9c4b7; margin-left: 5px; }
.side-count-d { font-size: 10.5px; color: #6b8579; margin-top: 4px; }
.side-logout {
  width: 100%; background: none; border: 1px solid #1d4d3a; color: #8fae9f;
  border-radius: 10px; padding: 10px; font-size: 12.5px; font-family: inherit; cursor: pointer;
}
.side-logout:hover { color: #fff; border-color: #2c5544; }

/* ---- main ---- */
.main { flex: 1; min-width: 0; padding: 30px 34px 60px; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 24px; flex-wrap: wrap; }
.page-h1 { font-family: 'Shippori Mincho', serif; font-weight: 800; font-size: 24px; margin: 0 0 5px; color: #211f1a; }
.page-sub { font-size: 13.5px; color: #867e6f; margin: 0; }

.card { background: #fbfaf5; border: 1px solid #eae2d2; border-radius: 16px; padding: 24px 26px; }
.card-h { font-family: 'Shippori Mincho', serif; font-weight: 700; font-size: 16px; color: #211f1a; margin: 0 0 18px; }
.dark { background: #0f2a20; color: #dbe8e0; border-radius: 18px; padding: 26px 30px; }

.btn-p {
  display: inline-block; background: #10b981; color: #fff; font-weight: 700;
  padding: 13px 26px; border-radius: 11px; border: 0; font-size: 14.5px;
  font-family: inherit; cursor: pointer; text-align: center;
}
.btn-p[disabled] { background: #d6cdb9; color: #8a8270; cursor: default; }
.btn-s {
  display: inline-block; background: #fbfaf5; border: 1px solid #d6cdb9; color: #262420;
  font-weight: 600; padding: 12px 22px; border-radius: 11px; font-size: 13.5px;
  font-family: inherit; cursor: pointer; text-align: center;
}

.bar { height: 8px; border-radius: 4px; background: #efe9dc; overflow: hidden; }
.bar > i { display: block; height: 100%; border-radius: 4px; }

.mastery-row { margin-bottom: 16px; }
.mastery-top { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 6px; }
.mastery-name { font-size: 13px; font-weight: 600; color: #3d3a32; }
.mastery-pct { font-family: 'Newsreader', serif; font-size: 15px; font-weight: 600; }
.mastery-note { font-size: 11px; color: #a89f8c; margin-top: 5px; }

.empty {
  background: #efe9dc; border-radius: 14px; padding: 22px 24px;
  font-size: 13px; line-height: 1.9; color: #57513f;
}

/* ---- 読み込み中／エラー ---- */
.loading { padding: 60px 0; text-align: center; color: #867e6f; font-size: 13.5px; }

@media (max-width: 900px) {
  .side { display: none; }
  .main { padding: 20px 16px 48px; }
}

/* [2026-07-25] 受講状態（残り期間 / 無料会員への申込導線）。売っているのが期間商品なので常時出す。 */
.side-plan{ background:#123a2c; border-radius:12px; padding:12px 14px; margin-bottom:12px; }
.side-plan-l{ font-size:11px; color:#8fae9f; margin-bottom:2px; }
.side-plan-v{ font-family:'Newsreader',serif; font-size:22px; font-weight:600; color:#6ee7b7; line-height:1.1; }
.side-plan-a{ display:inline-block; margin-top:6px; font-size:12px; font-weight:700; color:#6ee7b7; text-decoration:none; }