:root {
  --bg: #f4f7fb;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --accent: #56c4d2;
  --accent-2: #f6a3c2;
  --danger: #f97316;
  --full: #ef4444;
  --border: #e5e7eb;
}
* { box-sizing: border-box; }

#kidspark-app {
  font: inherit;
  color: inherit;
  line-height: inherit;
  padding: 24px;
  font-family: "Inter", "Noto Sans JP", system-ui, -apple-system, sans-serif;
  background: radial-gradient(circle at 10% 20%, rgba(246, 163, 194, 0.18), transparent 40%),
              radial-gradient(circle at 80% 0%, rgba(86, 196, 210, 0.18), transparent 40%),
              var(--bg);
  color: var(--text);
}

#kidspark-app .wrap {
  max-width: 960px; margin: 0 auto;
  background: linear-gradient(135deg, rgba(86, 196, 210, 0.12), rgba(246, 163, 194, 0.12)), var(--card);
  border: 1px solid var(--border);
  border-radius: 18px; padding: 20px 20px 12px;
  box-shadow: 0 14px 40px rgba(31, 41, 55, 0.1);
}
#kidspark-app .header-row {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
}
#kidspark-app h1 { margin: 0 0 4px; font-size: 22px; letter-spacing: 0.5px; }
#kidspark-app .meta { margin: 0 0 12px; color: var(--muted); font-size: 13px; }
#kidspark-app .badge.unofficial {
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(239, 68, 68, 0.1);
  color: #b91c1c;
  font-weight: 700;
  font-size: 12px;
  border: 1px solid rgba(239, 68, 68, 0.2);
}
#kidspark-app .actions {
  display: flex; align-items: center; gap: 10px;
  margin: 0 0 14px;
}
#kidspark-app .actions button {
  background: var(--accent); color: #0b1226; border: none;
  padding: 8px 14px; border-radius: 10px; font-weight: 700;
  cursor: pointer; transition: transform 0.1s ease, opacity 0.2s;
}
#kidspark-app .actions button:hover { opacity: 0.9; }
#kidspark-app .actions button:active { transform: translateY(1px); }
#kidspark-app .muted { color: var(--muted); font-size: 13px; }
#kidspark-app .muted.error { color: var(--danger); }
#kidspark-app .tab-buttons {
  display: inline-flex;
  gap: 8px;
  margin: 8px 0 6px;
  padding: 6px;
  background: rgba(86, 196, 210, 0.12);
  border-radius: 12px;
}
#kidspark-app .tab-button {
  border: none;
  background: transparent;
  padding: 8px 12px;
  border-radius: 10px;
  font-weight: 700;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.15s ease;
}
#kidspark-app .tab-button.active {
  background: var(--card);
  color: var(--text);
  box-shadow: 0 6px 16px rgba(31, 41, 55, 0.08);
}
#kidspark-app .table-panel { display: none; }
#kidspark-app .table-panel.is-active { display: block; }
#kidspark-app .table-section { margin: 14px 0 0; }
#kidspark-app .section-header { display: flex; align-items: center; gap: 10px; margin: 0 0 8px; }
#kidspark-app .section-header h2 { margin: 0; font-size: 16px; letter-spacing: 0.2px; }
#kidspark-app .pill {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  background: rgba(86, 196, 210, 0.16);
  color: #0b1226;
}
#kidspark-app .pill.alt { background: rgba(246, 163, 194, 0.18); }
#kidspark-app .table-wrap { width: 100%; overflow-x: auto; padding-bottom: 8px; position: relative; }
#kidspark-app table { width: 100%; min-width: 600px; border-collapse: separate; border-spacing: 0; overflow: visible; border-radius: 12px; }
#kidspark-app th, #kidspark-app td {
  padding: 10px 12px;
  text-align: center;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
#kidspark-app th { color: var(--muted); font-weight: 600; background: rgba(255,255,255,0.02); z-index: 1; }
#kidspark-app tr:last-child td { border-bottom: none; }
#kidspark-app .repeat-header th {
  background: rgba(86, 196, 210, 0.08);
  font-weight: 700;
  color: var(--text);
}
#kidspark-app .tag {
  display: inline-block; min-width: 52px; padding: 6px 10px;
  border-radius: 999px; font-weight: 600; font-size: 13px;
  color: #0b1226; background: var(--accent);
}
#kidspark-app .tag.danger { background: var(--accent-2); }
#kidspark-app .tag.full { background: var(--full); color: #fff; }
#kidspark-app .tag.none { background: rgba(255,255,255,0.08); color: var(--muted); }
#kidspark-app .date { text-align: left; font-weight: 600; }
#kidspark-app .slot-link {
  text-decoration: none; color: inherit;
  display: block; width: 100%; height: 100%; padding: 4px 0;
}
#kidspark-app .slot-link:hover { opacity: 0.9; }
#kidspark-app .notice-link { margin-top: 0; }
#kidspark-app .notice-link a { color: var(--accent); text-decoration: none; font-weight: 700; }
#kidspark-app .notice-link a:hover { text-decoration: underline; }
#kidspark-app .notice {
  margin: 18px 2px 0;
  padding: 12px 14px;
  background: rgba(86, 196, 210, 0.08);
  border: 1px solid var(--border);
  border-radius: 12px;
}
#kidspark-app .notice h2 {
  margin: 0 0 8px;
  font-size: 16px;
}
#kidspark-app .notice ul {
  margin: 0;
  padding-left: 18px;
  color: var(--text);
  line-height: 1.6;
  font-size: 13px;
}
#kidspark-app .notice a { color: var(--accent); text-decoration: none; font-weight: 700; }
#kidspark-app .notice a:hover { text-decoration: underline; }
/* ヘッダー・日付の固定でスクロール時の視認性を確保 */
#kidspark-app thead th {
  position: sticky;
  top: 0;
  background: var(--card);
  z-index: 2;
}
#kidspark-app td.date, #kidspark-app th:first-child {
  position: sticky;
  left: 0;
  background: var(--card);
  z-index: 2;
  box-shadow: 6px 0 10px rgba(0,0,0,0.05);
}
#kidspark-app thead th:first-child { z-index: 3; }

@media (max-width: 720px) {
  #kidspark-app { padding: 10px; }
  #kidspark-app h1 { font-size: 18px; }
  #kidspark-app th, #kidspark-app td { padding: 9px 8px; font-size: 13px; }
  #kidspark-app table { min-width: 480px; }
  #kidspark-app .section-header { flex-wrap: wrap; gap: 6px; }
  #kidspark-app .tab-buttons { width: 100%; justify-content: space-between; }
  #kidspark-app .tab-button { flex: 1; text-align: center; }
}