WEB PARTS

* {
  margin: 0;
  padding: 0;
  list-style: none;
  box-sizing: border-box;
}

.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 */

* {
  margin: 0;
  padding: 0;
  list-style: none;
  box-sizing: border-box;
}

.accordion {
  padding: clamp(40px, 6vw, 80px) 15px;
  background: #f5faff;
  font-family: "Noto Serif JP", serif;
  ul {
    max-width: 900px;
    margin: 0 auto;
    list-style: none;
    li {
      padding: 20px 5px;
      border-bottom: solid 1px #dce3eb;
      &:first-child {
        border-top: solid 1px #dce3eb;
      }
      .Q {
        padding-right: 1.5em;
        font-size: 16px;
        font-weight: 500;
        line-height: 1.8;
        color: #203953;
        position: relative;
        cursor: pointer;
        &: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;
          transform: rotate(45deg);
          transition: 0.3s;
        }

        &.open {
          &:after {
            top: 40%;
            transform: rotate(-135deg);
          }
        }
      }
      .A {
        max-height: 0;
        overflow: hidden;
        font-size: 15px;
        transition: 0.3s;
        &.open {
          .txt {
            opacity: 1;
            transform: translateY(0);
          }
        }
        .txt {
          padding-top: 15px;
          opacity: 0;
          transition: 0.5s 0.2s;
          transform: translateY(5px);
          p {
            margin-bottom: 1em;
            &:last-child {
              margin-bottom: 0;
            }
          }
        }
      }
    }
  }
}

const accordion = Array.from(document.querySelectorAll(".accordion ul li .Q"));
accordion.forEach((item) => {
  item.addEventListener("click", function () {
    this.classList.toggle("open");
    const anser_height = this.nextElementSibling;
    anser_height.classList.toggle("open");
    if (anser_height.style.maxHeight) {
      anser_height.style.maxHeight = null;
    } else {
      anser_height.style.maxHeight = anser_height.scrollHeight + "px";
    }
  });
});