.availability-calendar {
  margin-bottom: 1.5rem;
  touch-action: pan-y;
}

.availability-calendar__nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.75rem;
  gap: 0.5rem;
}

.availability-calendar__nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.5rem 1rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  background: #fff;
  color: #333;
  font-size: 0.85rem;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s;
}

.availability-calendar__nav-btn:hover:not(:disabled) {
  background: #f0f0f0;
}

.availability-calendar__nav-btn:disabled {
  opacity: 0.4;
  cursor: default;
}

.availability-calendar__scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.availability-calendar__table {
  width: 100%;
  min-width: 580px;
  border-collapse: collapse;
  table-layout: fixed;
  font-size: 0.8rem;
}

.availability-calendar__table th,
.availability-calendar__table td {
  text-align: center;
  padding: 0.4rem 0.2rem;
  border: 1px solid #e0e0e0;
  vertical-align: middle;
}

/* ヘッダー行 */
.availability-calendar__table thead th {
  background: #2c3e50;
  color: #fff;
  font-weight: normal;
  font-size: 0.75rem;
  padding: 0.4rem 0.2rem;
  line-height: 1.4;
  position: sticky;
  top: 0;
  z-index: 2;
}

.availability-calendar__table thead th.cal-header-sat {
  background: #1565c0;
}

.availability-calendar__table thead th.cal-header-sun {
  background: #c62828;
}

.availability-calendar__table thead th.cal-header-today {
  border-bottom: 3px solid #ff9800;
}

/* 時間列（左端） */
.availability-calendar__table th.cal-time-col {
  background: #f5f5f5;
  color: #333;
  font-weight: bold;
  font-size: 0.8rem;
  width: 3.5rem;
  position: sticky;
  left: 0;
  z-index: 1;
}

.availability-calendar__table thead th.cal-time-col {
  background: #2c3e50;
  z-index: 3;
}

/* セル状態 */
.cal-cell {
  height: 2.2rem;
  transition: background 0.1s;
}

.cal-available {
  color: #e91e63;
  font-weight: bold;
  font-size: 0.95rem;
  cursor: pointer;
}

.cal-available:hover {
  background: #fce4ec;
}

.cal-few {
  color: #e91e63;
  font-size: 0.9rem;
  cursor: pointer;
}

.cal-few:hover {
  background: #fce4ec;
}

.cal-tel {
  color: #999;
  font-size: 0.65rem;
  font-weight: bold;
}

.cal-off {
  color: #ccc;
  font-size: 0.85rem;
}

.cal-selected {
  background: #fff3e0 !important;
  outline: 2px solid #ff9800;
  outline-offset: -2px;
}

/* 凡例 */
.availability-calendar__legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.75rem;
  font-size: 0.75rem;
  color: #666;
}

.availability-calendar__legend-item {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.availability-calendar__legend-symbol {
  font-weight: bold;
}

.availability-calendar__legend-symbol--available {
  color: #e91e63;
}

.availability-calendar__legend-symbol--few {
  color: #e91e63;
}

.availability-calendar__legend-symbol--tel {
  color: #999;
}

/* 選択結果表示 */
.availability-calendar__selection {
  margin-top: 0.75rem;
  padding: 0.75rem 1rem;
  background: #e3f2fd;
  border-radius: 4px;
  font-size: 0.9rem;
  color: #1565c0;
  display: none;
}

.availability-calendar__selection.is-visible {
  display: block;
}

/* ローディング */
.availability-calendar__loading {
  text-align: center;
  padding: 2rem;
  color: #999;
}

.availability-calendar__error {
  text-align: center;
  padding: 1.5rem;
  color: #c62828;
  background: #ffebee;
  border-radius: 4px;
}

.availability-calendar-license-prompt {
  padding: 0.9rem 1rem;
  color: #666;
  background: #f5f5f5;
  border: 1px solid #e0e0e0;
  border-radius: 4px;
}

/* モバイル: 7日表示、横スクロール不要 */
@media (max-width: 768px) {
  .availability-calendar__table {
    min-width: 0;
    font-size: 0.85rem;
  }

  .availability-calendar__table thead th {
    font-size: 0.8rem;
    padding: 0.35rem 0.15rem;
  }

  .availability-calendar__table th,
  .availability-calendar__table td {
    padding: 0.4rem 0.1rem;
  }

  .availability-calendar__table th.cal-time-col {
    width: 3rem;
    font-size: 0.8rem;
  }

  .cal-cell {
    height: 2.4rem;
  }

  .cal-available {
    font-size: 1rem;
  }

  .cal-few {
    font-size: 0.95rem;
  }

  .cal-tel {
    font-size: 0.6rem;
  }

  .cal-off {
    font-size: 0.9rem;
  }

  .availability-calendar__legend {
    gap: 0.6rem;
    font-size: 0.8rem;
  }

  .availability-calendar__selection {
    font-size: 0.85rem;
  }
}