/* =========================
   営業日カレンダー
========================= */

.business-calendar {
  width: 100%;
  max-width: 460px;
  margin: 0 auto;
  padding: 16px;
  box-sizing: border-box;
  background: #fff;
  color: #333;
  font-family: sans-serif;
}

/* ヘッダー */
.business-calendar__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.business-calendar__title {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
}

.business-calendar__button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  padding: 0;
  border: 1px solid #ddd;
  border-radius: 50%;
  background: #fff;
  color: #555;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  transition: background-color 0.2s;
}

.business-calendar__button:hover {
  background: #f5f5f5;
}

/* 曜日 */
.business-calendar__week {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  margin-bottom: 4px;
  text-align: center;
  font-size: 12px;
  color: #666;
}

.business-calendar__week span {
  padding: 4px 0;
}

.business-calendar__week .sun {
  color: #d9534f;
}

.business-calendar__week .sat {
  color: #4285c5;
}

/* 日付 */
.business-calendar__days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 3px;
}

.business-calendar__day {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  border-radius: 4px;
  font-size: 18px;
}

/* 日曜日 */
.business-calendar__day.sunday {
  color: #d9534f;
  background: #fff5f5;
}

/* 土曜日 */
.business-calendar__day.saturday {
  color: #4285c5;
}

/* 祝日 */
.business-calendar__day.holiday {
  color: #d9534f;
  background: #fff5f5;
  font-weight: 600;
}

/* 今日 */
.business-calendar__day.today {
  outline: 1px solid #999;
  outline-offset: -1px;
}

/* カレンダー外の空白 */
.business-calendar__day.empty {
  visibility: hidden;
}

/* 注意書き */
.business-calendar__note {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  font-size: 11px;
  color: #777;
}

.business-calendar__holiday {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  background: #fff5f5;
  border: 1px solid #f0d0d0;
}


/* =========================
   スマートフォン
========================= */

@media (max-width: 480px) {
  .business-calendar {
    max-width: 320px;
    padding: 12px;
  }

  .business-calendar__title {
    font-size: 16px;
  }

  .business-calendar__day {
    min-height: 30px;
    font-size: 12px;
  }
}