@charset "UTF-8";

.mono .accordion {
  width: 100%;
  margin: 0 auto;
  font-family: sans-serif;
}

.mono .accordion-item {
  border-bottom: 1px solid #ccc;
}

.mono .accordion-header {
  width: 100%;
  text-align: left;
  padding: 16px;
  background: #f7f7f7;
  border: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-size: 16px;
  font-weight: bold;
  transition: background 0.3s;
}

.mono .accordion-header:hover {
  background: #eee;
}

.mono .accordion-title {
  flex: 1;
  margin-right: 10px;
  line-height: 1.4;
  word-break: break-word;
}

.mono .accordion-icon {
  font-size: 20px;
  width: 20px;
  text-align: center;
  transition: transform 0.3s;
}

.mono .accordion-content {
  max-height: 0;
  overflow: hidden;
  padding: 0 30px;
  background: #111;
  transition: max-height 0.4s ease, padding 0.3s ease;
}

.mono .accordion-item.active .accordion-content {
  max-height: 2000px; /* 十分な高さに */
  padding: 30px;
}

.mono .accordion-item.active .accordion-icon {
  content: '-';
  transform: rotate(180deg);
}