:root {
  /* 背景色 */
  --cal-bg: #ffffff;
  /* 罫線色（濃いグレー） */
  --cal-border: #999;
  /* ヘッダー文字色 */
  --cal-header-text: #000;
  /* セル背景色 */
  --cal-cell-bg: #ffffff;
  /* セル文字色 */
  --cal-cell-text: #000;
  /* 別月のセル文字色 */
  --cal-cell-muted-text: #999;
  /* 定休日背景色 */
  --cal-closed-bg: rgb(221, 190, 190);
  /* 別月の定休日背景色 */
  --cal-closed-bg-light: rgb(221, 190, 190);
  /* 別月のセルの透明度 */
  --cal-closed-opacity: 0.6;
  /* 曜日のデフォルト文字色 */
  --cal-weekday-text-default: #333;
  /* 日曜日の文字色（赤） */
  --cal-weekday-text-sunday: #d32f2f;
  /* 凡例の定休日色 */
  --cal-legend-color: rgb(221, 190, 190);
}

.store-calendar {
  width: 100%;
  max-width: 100%;
  background: var(--cal-bg);
  border: none;
  border-radius: 0;
  overflow: hidden;
  font-family: Helvetica Neue,Helvetica,Hiragino Kaku Gothic ProN,Meiryo,MS PGothic,sans-serif;
}

/* ヘッダー（年月） */
.store-calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2px 4px;
  background: transparent;
  border: none;
  font-size: 16px;
  color: var(--cal-header-text);
}

.store-calendar-month-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex: 1;
}

.store-calendar-month-text {
  text-align: center;
}

.store-calendar-nav-button {
  background: transparent;
  border: none;
  font-size: 32px;
  cursor: pointer;
  color: var(--cal-header-text);
  padding: 4px 8px;
  line-height: 1;
  transition: opacity 0.2s;
  width: auto;
  height: auto;
}

.store-calendar-nav-button:hover {
  opacity: 0.6;
}

/* 曜日行 */
.store-calendar-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  background: var(--cal-cell-bg);
  border-top: 1px solid var(--cal-border);
  border-left: 1px solid var(--cal-border);
  border-right: 1px solid var(--cal-border);
}

.store-calendar-weekday {
  text-align: center;
  padding: 8px 0;
  font-size: 14px;
  font-weight: bold;
  color: var(--cal-weekday-text-default);
  border-right: 1px solid var(--cal-border);
  border-bottom: 1px solid var(--cal-border);
}

.store-calendar-weekday:nth-child(7n) {
  border-right: none;
}

.store-calendar-weekday:first-child {
  color: var(--cal-weekday-text-sunday);
}

/* 日付グリッド */
.store-calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  border-left: 1px solid var(--cal-border);
  border-right: 1px solid var(--cal-border);
}

.store-calendar-cell {
  min-height: 40px;
  padding: 2px 2px !important;
  border-right: 1px solid var(--cal-border);
  border-bottom: 1px solid var(--cal-border);
  background: var(--cal-cell-bg);
  font-size: 16px;
  color: var(--cal-cell-text);
  text-align: right;
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
}

.store-calendar-cell:nth-child(7n) {
  border-right: none;
}

/* 前月・翌月の日付（グレーフィルター） */
.store-calendar-cell-outside {
  background: var(--cal-cell-bg);
  opacity: var(--cal-closed-opacity);
}

/* 最終行に下部罫線を追加 */
.store-calendar-cell {
  border-bottom: 1px solid var(--cal-border);
}

/* 日付番号 */
.store-calendar-date-number {
  font-size: 16px;
  font-weight: normal;
  color: var(--cal-cell-text);
}

/* 今日の日付 */
.store-calendar-cell-today .store-calendar-date-number {
  font-weight: bold;
  font-size: 18px;
}

/* 定休日セル */
.store-calendar-cell-closed {
  background: var(--cal-closed-bg);
}

.store-calendar-cell-closed .store-calendar-date-number {
  color: var(--cal-cell-text);
}

/* 別月の定休日セル */
.store-calendar-cell-closed-outside {
  background: var(--cal-closed-bg-light);
  opacity: var(--cal-closed-opacity);
}

.store-calendar-cell-closed-outside .store-calendar-date-number {
  color: var(--cal-cell-text);
}

/* 凡例 */
.store-calendar-legend {
  display: flex;
  gap: 8px;
  padding: 4px 10px;
  font-size: 14px;
  background: transparent;
  border: none;
}

.store-calendar-legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.store-calendar-legend-color {
  width: 14px;
  height: 14px;
  border-radius: 2px;
  border: none;
  flex-shrink: 0;
}

.store-calendar-legend-color-closed {
  background: var(--cal-legend-color);
  border: none;
}