.accordion {
  padding: clamp(40px, 6vw, 80px) 15px;
  background: #f5faff;
  font-family: "Noto Serif JP", serif;
}

.accordion ul {
  max-width: 900px;
  margin: 0 auto;
  list-style: none;
}

.accordion ul li {
  padding: 20px 5px;
  border-bottom: solid 1px #dce3eb;
}

.accordion ul li:first-child {
  border-top: solid 1px #dce3eb;
}

.accordion ul li .Q {
  padding-right: 1.5em;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.8;
  color: #203953;
  position: relative;
  cursor: pointer;
}

.accordion ul li .Q:after {
  content: "";
  display: block;
  width: 0.5em;
  height: 0.5em;
  border-right: solid 2px #547596;
  border-bottom: solid 2px #547596;
  position: absolute;
  top: 35%;
  right: 0;
  -webkit-transform: rotate(45deg);
          transform: rotate(45deg);
  -webkit-transition: 0.3s;
  transition: 0.3s;
}

.accordion ul li .Q.open:after {
  top: 40%;
  -webkit-transform: rotate(-135deg);
          transform: rotate(-135deg);
}

.accordion ul li .A {
  max-height: 0;
  overflow: hidden;
  font-size: 15px;
  -webkit-transition: 0.3s;
  transition: 0.3s;
}

.accordion ul li .A.open .txt {
  opacity: 1;
  -webkit-transform: translateY(0);
          transform: translateY(0);
}

.accordion ul li .A .txt {
  padding-top: 15px;
  opacity: 0;
  -webkit-transition: 0.5s 0.2s;
  transition: 0.5s 0.2s;
  -webkit-transform: translateY(5px);
          transform: translateY(5px);
}

.accordion ul li .A .txt p {
  margin-bottom: 1em;
}

.accordion ul li .A .txt p:last-child {
  margin-bottom: 0;
}
/*# sourceMappingURL=style.css.map */