:root {
  --primary: #1F3864;
  --accent: #2E75B6;
  --admin-bg: #FFF3E0;
  --admin-border: #F57C00;
  --admin-icon: #E65100;
  --user-bg: #E8F5E9;
  --user-border: #388E3C;
  --user-icon: #2E7D32;
  --warn-bg: #FFF8E1;
  --warn-border: #FBC02D;
  --tip-bg: #E3F2FD;
  --tip-border: #1565C0;
  --gray: #F5F5F5;
  --text: #212121;
  --muted: #757575;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Segoe UI', 'Yu Gothic UI', sans-serif;
  background: #F9FAFB;
  color: var(--text);
  line-height: 1.7;
}
/* ===== ヘッダー ===== */
header {
  background: var(--primary);
  color: #fff;
  padding: 14px 28px;
  display: flex;
  align-items: center;
  gap: 12px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
header .logo { font-size: 1rem; font-weight: 700; }
header .breadcrumb { font-size: 0.78rem; opacity: 0.7; }
header .spacer { flex: 1; }
header .home-btn {
  padding: 5px 14px;
  border: 1px solid rgba(255,255,255,0.4);
  border-radius: 20px;
  font-size: 0.78rem;
  color: #fff;
  text-decoration: none;
  transition: background 0.15s;
}
header .home-btn:hover { background: rgba(255,255,255,0.15); }

/* ===== メインレイアウト ===== */
.container { max-width: 860px; margin: 0 auto; padding: 24px 16px; }

/* ===== ページタイトル ===== */
.page-title {
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.1);
  padding: 22px 26px;
  margin-bottom: 20px;
  border-left: 6px solid var(--accent);
}
.page-title h1 { font-size: 1.4rem; color: var(--primary); font-weight: 700; }
.page-title p { margin-top: 8px; color: var(--muted); font-size: 0.88rem; }
.page-title .meta { margin-top: 12px; display: flex; gap: 10px; flex-wrap: wrap; }
.meta-chip {
  background: var(--gray);
  padding: 3px 10px;
  border-radius: 14px;
  font-size: 0.75rem;
  color: var(--muted);
}

/* ===== セクション ===== */
.card {
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.1);
  margin-bottom: 20px;
  overflow: hidden;
}
.card-header {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  padding: 14px 22px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.card-header h2 { font-size: 1.05rem; font-weight: 700; }
.card-header .auth-badge {
  margin-left: auto;
  padding: 3px 12px;
  border-radius: 14px;
  font-size: 0.72rem;
  font-weight: 600;
  background: rgba(255,255,255,0.25);
}
.card-body { padding: 22px; }

/* ===== ステップ ===== */
.step {
  display: flex;
  gap: 14px;
  margin-bottom: 18px;
  align-items: flex-start;
}
.step-circle {
  width: 30px; height: 30px;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.82rem;
  flex-shrink: 0;
  margin-top: 2px;
}
.step-content h3 { font-size: 0.92rem; font-weight: 700; color: var(--primary); margin-bottom: 6px; }
.step-content p, .step-content li { font-size: 0.86rem; color: #333; }
.step-content ul, .step-content ol { padding-left: 18px; margin-top: 5px; }
.step-content li { margin-bottom: 3px; }

/* ===== コード ===== */
code {
  background: #1E1E1E;
  color: #D4D4D4;
  padding: 2px 8px;
  border-radius: 4px;
  font-family: 'Consolas', 'Courier New', monospace;
  font-size: 0.8rem;
}
.code-block {
  background: #1E1E1E;
  color: #D4D4D4;
  border-radius: 8px;
  padding: 13px 16px;
  margin: 10px 0;
  font-family: 'Consolas', 'Courier New', monospace;
  font-size: 0.8rem;
  overflow-x: auto;
  line-height: 1.6;
}
.code-block .comment { color: #6A9955; }
.code-block .path    { color: #CE9178; }
.code-block .value   { color: #9CDCFE; }

/* ===== アドモニション ===== */
.admon {
  border-radius: 8px;
  padding: 12px 16px;
  margin: 12px 0;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 0.84rem;
}
.admon-icon { font-size: 1.05rem; flex-shrink: 0; margin-top: 1px; }
.admon-body { flex: 1; }
.admon-body strong { display: block; margin-bottom: 3px; font-size: 0.86rem; }
.admon.warn  { background: var(--warn-bg);  border-left: 4px solid var(--warn-border); }
.admon.tip   { background: var(--tip-bg);   border-left: 4px solid var(--tip-border);  }
.admon.admin { background: var(--admin-bg); border-left: 4px solid var(--admin-border); }
.admon.user  { background: var(--user-bg);  border-left: 4px solid var(--user-border); }

/* ===== テーブル ===== */
table { width: 100%; border-collapse: collapse; font-size: 0.84rem; margin: 10px 0; }
th { background: var(--primary); color: #fff; padding: 9px 12px; text-align: left; font-weight: 600; }
td { padding: 8px 12px; border-bottom: 1px solid #EEEEEE; }
tr:nth-child(even) td { background: #FAFAFA; }
tr:hover td { background: #EBF3FB; }

/* ===== 設定値グリッド ===== */
.setting-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 9px; margin: 11px 0; }
.setting-item { background: var(--gray); border-radius: 8px; padding: 9px 13px; }
.setting-item .key { font-size: 0.72rem; color: var(--muted); margin-bottom: 2px; }
.setting-item .val { font-weight: 700; color: var(--primary); font-size: 0.87rem; }

/* ===== バッジ ===== */
.badge-admin, .badge-user {
  padding: 2px 8px; border-radius: 12px; font-size: 0.68rem; font-weight: 600; white-space: nowrap;
}
.badge-admin { background: var(--admin-bg); color: var(--admin-icon); border: 1px solid var(--admin-border); }
.badge-user  { background: var(--user-bg);  color: var(--user-icon);  border: 1px solid var(--user-border); }

/* ===== 引き渡し ===== */
.handover {
  background: linear-gradient(90deg, var(--admin-bg), var(--user-bg));
  border-radius: 8px;
  padding: 12px 16px;
  margin: 18px 0;
  font-size: 0.84rem;
  border: 1px dashed #999;
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ===== チェックリスト ===== */
.checklist { list-style: none; padding: 0; margin: 10px 0; }
.checklist li { display: flex; align-items: flex-start; gap: 10px; padding: 7px 0; border-bottom: 1px solid #F0F0F0; font-size: 0.85rem; }
.checklist li:last-child { border-bottom: none; }
.checkbox {
  width: 18px; height: 18px;
  border: 2px solid #BDBDBD; border-radius: 4px; flex-shrink: 0;
  margin-top: 1px; cursor: pointer; transition: all 0.2s;
  display: flex; align-items: center; justify-content: center;
}
.checkbox.checked { background: var(--accent); border-color: var(--accent); }
.checkbox.checked::after { content: "✓"; color: #fff; font-size: 0.7rem; font-weight: 700; }

/* ===== フッター ===== */
footer {
  text-align: center; padding: 20px;
  font-size: 0.76rem; color: var(--muted);
  border-top: 1px solid #E0E0E0; margin-top: 16px;
}

/* ===== 戻るリンク ===== */
.back-link {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--accent); font-size: 0.85rem; text-decoration: none;
  margin-bottom: 16px;
  padding: 6px 14px;
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  transition: box-shadow 0.15s;
}
.back-link:hover { box-shadow: 0 2px 6px rgba(0,0,0,0.15); }