#evcal-wrapper {
  --evcal-red: #fa3950;
  --evcal-black: #111111;
  --evcal-white: #ffffff;
  --evcal-gray: #f4f4f4;
  --evcal-default-color: #a9a9a9;
  --evcal-angle: -10deg;
  font-family: 'Arial Black', '游ゴシック体', sans-serif;
  color: var(--evcal-black);
}

#evcal-wrapper .evcal-loading,
#evcal-wrapper .evcal-error {
  border: 2px solid var(--evcal-black);
  padding: 12px;
}

#evcal-wrapper .evcal-calendar-container {
  max-width: 1000px;
  margin: 20px auto;
  padding: 10px;
}

#evcal-wrapper .evcal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

#evcal-wrapper .evcal-month-display {
  background: var(--evcal-black);
  color: var(--evcal-white);
  padding: 10px 30px;
  transform: skewX(var(--evcal-angle));
  box-shadow: 8px 8px 0 var(--evcal-red);
  margin: 0;
}

#evcal-wrapper .evcal-nav {
  display: flex;
  gap: 10px;
}

#evcal-wrapper .evcal-btn {
  background: var(--evcal-white);
  border: 3px solid var(--evcal-black);
  padding: 10px 16px;
  font-weight: 700;
  cursor: pointer;
}

#evcal-wrapper .evcal-btn:hover {
  background: var(--evcal-red);
  color: var(--evcal-white);
}

#evcal-wrapper .evcal-btn.is-disabled,
#evcal-wrapper .evcal-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

#evcal-wrapper .evcal-btn.is-disabled:hover,
#evcal-wrapper .evcal-btn:disabled:hover {
  background: var(--evcal-white);
  color: var(--evcal-black);
}

#evcal-wrapper .evcal-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  border-top: 4px solid var(--evcal-black);
  border-left: 4px solid var(--evcal-black);
  border-right: 4px solid var(--evcal-black);
  border-bottom: 4px solid var(--evcal-black);
}

#evcal-wrapper .evcal-weekday {
  background: var(--evcal-black);
  color: var(--evcal-white);
  text-align: center;
  padding: 10px 2px;
  border-right: 1px solid rgba(255, 255, 255, 0.25);
}

#evcal-wrapper .evcal-day {
  min-height: 120px;
  border-right: 1px solid #ddd;
  border-bottom: 1px solid #ddd;
  padding: 6px;
  background: var(--evcal-white);
}

#evcal-wrapper .evcal-day:nth-child(7n),
#evcal-wrapper .evcal-weekday:nth-child(7n) {
  border-right: 4px solid var(--evcal-black);
}

#evcal-wrapper .evcal-day.is-prev-month,
#evcal-wrapper .evcal-day.is-next-month {
  background: var(--evcal-gray);
  opacity: 0.8;
}

#evcal-wrapper .evcal-day.is-today .evcal-day-num {
  color: var(--evcal-red);
  border-bottom: 2px solid var(--evcal-red);
  display: inline-block;
}

#evcal-wrapper .evcal-day-num {
  text-align: right;
  font-weight: 700;
  margin-bottom: 6px;
}

#evcal-wrapper .evcal-event-tag {
  display: block;
  text-decoration: none;
  color: #fff;
  background: var(--evcal-color, var(--evcal-default-color));
  border-left: 4px solid rgba(0, 0, 0, 0.2);
  padding: 3px 6px;
  margin-bottom: 4px;
  font-size: 0.75rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#evcal-wrapper .evcal-event-tag.is-business {
  background: #111;
  color: #fff;
  border-left: 0;
  text-align: center;
  font-weight: 700;
}

#evcal-wrapper .evcal-event-tag.is-business.is-closed {
  background: #b8b8b8;
  color: #fff;
}

#evcal-wrapper .evcal-event-tag.is-continuous {
  border-radius: 0;
}

#evcal-wrapper .evcal-event-tag.is-start {
  border-top-left-radius: 4px;
  border-bottom-left-radius: 4px;
}

#evcal-wrapper .evcal-event-tag.is-end {
  border-top-right-radius: 4px;
  border-bottom-right-radius: 4px;
}

#evcal-wrapper .evcal-event-dot {
  display: none;
}

#evcal-wrapper .evcal-mobile-list {
  display: none;
  margin-top: 16px;
  border: 2px solid var(--evcal-black);
  padding: 10px;
}

#evcal-wrapper .evcal-mobile-list__items {
  margin: 0;
  padding-left: 20px;
}

#evcal-wrapper .evcal-mobile-list__items li {
  margin-bottom: 6px;
}

#evcal-wrapper .evcal-day.is-selected {
  outline: 2px solid var(--evcal-red);
  outline-offset: -2px;
}

@media (max-width: 768px) {
  #evcal-wrapper .evcal-header {
    flex-direction: column;
    align-items: flex-start;
  }

  #evcal-wrapper .evcal-month-display {
    font-size: 1.2rem;
    padding: 8px 18px;
  }

  #evcal-wrapper .evcal-day {
    min-height: 72px;
  }

  #evcal-wrapper .evcal-event-title {
    display: none;
  }

  #evcal-wrapper .evcal-event-tag.is-business .evcal-event-title {
    display: inline;
  }

  #evcal-wrapper .evcal-event-dot {
    display: none;
  }

  #evcal-wrapper .evcal-event-tag {
    display: block;
    text-align: center;
    padding: 2px 4px;
    width: 100%;
    min-height: 16px;
    line-height: 1.2;
    border-left: 0;
    border-radius: 0;
    margin-bottom: 3px;
    font-size: 0.62rem;
    font-weight: 700;
    white-space: nowrap;
  }

  #evcal-wrapper .evcal-event-tag::after {
    content: 'イベント';
  }

  #evcal-wrapper .evcal-event-tag.is-business::after {
    content: '';
  }

  #evcal-wrapper .evcal-mobile-list {
    display: block;
  }
}