.pp-accordion {
  margin-top: 12px;
}
.pp-accordion__btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    position: relative;
    border-bottom: 1px solid;
    color: #143875;
    font-size: 12px;
    cursor: pointer;
    list-style: none;
}
.pp-accordion__btn::-webkit-details-marker {
  display: none; /* Safari用：標準の▶マークを消す */
}
.pp-accordion__btn::after {
    content: "";
    width: 7px;
    height: 7px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: scale(1, 1) rotate(45deg) translateY(-50%);
    transition: transform .3s;
    position: absolute;
    top: 50%;
    left: calc(100% + 8px);
}
.pp-accordion[open] .pp-accordion__btn::after {
  transform: scale(1, -1) rotate(45deg) translateY(-2px);
}
.pp-accordion__body {
  box-sizing: border-box;
  height: 200px;
  overflow-y: auto;
  margin-top: 12px;
  padding: 16px 20px;
  border: 1px solid #ccc;
  border-radius: 8px;
  background: #fafafa;
  font-size: 13px;
  line-height: 1.8;
  color: #1b1e24;
}
.pp-accordion__body h3,[data-element-id] .pp-source h3 {
  margin: 0 0 12px;
  font-size: 16px;
}
.pp-accordion__body h4,[data-element-id] .pp-source h4 {
  margin: 16px 0 4px;
  font-size: 14px;
}
.pp-accordion__body p,
.pp-accordion__body ul,
[data-element-id] .pp-source p,
[data-element-id] .pp-source ul{
  margin: 0 0 8px;
}
.pp-accordion__body ul,
[data-element-id] .pp-source ul{
  padding-left: 1.5em;
  list-style: disc;
}

[data-element-id] .pp-source {
    border: 3px solid;
    max-width: 90%;
    margin: 10px auto;
    padding: 20px;
}