main {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 300;
}

.relative {
  position: relative;
}

.absolute {
  position: absolute;
}

.offer__annotation {
  width: calc(750 / 960 * 100%);
  margin: 0 auto 7.5%;
  text-align: left;
}

.offer__annotation__btn {
  background: #dddddd;
  border: 1px solid #AFAFB0;
  padding: 1% 0;
  font-size: 30px;
  font-weight: 300;
  color: #363636;
  text-align: center;
  cursor: pointer;
}

@media screen and (max-width: 960px) {
  .offer__annotation__btn {
    font-size: 3.125vw;
  }
}

.offer__annotation__btn span {
  position: relative;
}

.offer__annotation__btn span::before,
.offer__annotation__btn span::after {
  content: "";
  position: absolute;
  top: calc(50% + 1px);
  right: -59%;
  width: 20px;
  height: 2px;
  background-color: #363636;
}

.offer__annotation__btn span::before {
  top: calc(50% + 2px);
  transform: translateY(-50%) rotate(90deg);
  transition: transform 0.25s linear;
}

@media screen and (max-width: 960px) {

  .offer__annotation__btn span::before,
  .offer__annotation__btn span::after {
    top: calc(50% + 0.1041666667vw);
    width: 2.08333333333vw;
    height: 0.2083333333vw;
  }

  .offer__annotation__btn span::before {
    top: calc(50% + 0.2083333333vw);
  }
}

.offer__annotation.active .offer__annotation__btn span::before {
  transform: translateY(-50%) rotate(0deg) !important;
}


.annotation-text {
  display: none;
  padding: 2.5% 2.5% 0;
  font-size: 16px;
}

@media screen and (max-width: 960px) {
  .annotation-text {
    font-size: 10px;
  }
}

.offer__annotation.active .annotation-text {
  display: block;
  animation: appear .5s ease;
}

@keyframes appear {
  0% {
    opacity: 0;
  }

  100% {
    opacity: 1;
  }
}

.annotation-text div {
  margin-bottom: 5%;
}

.annotation-text div:last-child {
  margin-bottom: 0;
}

.annotation-text ul {
  padding-left: 2em;
}

.annotation-text ul li {
  list-style: disc;
}

.qa {
  padding: 5% 0;
}

.qa__inner {
  width: calc(800 / 960 * 100%);
  margin: 0 auto;
}

.qa__item {
  margin-bottom: 4%;
}

.qa__question {
  position: relative;
  background-color: #fde9e6;
  padding: 2% 12% 2% 10%;
  font-size: min(3.3333333333vw, 32px);
  cursor: pointer;
}

.qa__question::before {
  content: "Q.";
  position: absolute;
  top: min(2.1875vw, 21px);
  left: min(3.6458333333vw, 35px);
}

.qa__question__toggle {
  position: absolute;
  top: 52.5%;
  right: 4%;
  transform: translateY(-50%);
  width: 8%;
  aspect-ratio: 1 / 1;
}

.qa__question__toggle::before,
.qa__question__toggle::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: #363636;
  transition: transform 0.3s ease;
}

.qa__question__toggle::before {
  width: 50%;
  height: min(0.2083333333vw, 2px);
}

.qa__question__toggle::after {
  width: min(0.2083333333vw, 2px);
  height: 50%;
}

.qa__item.is-open .qa__question__toggle::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.qa__answer {
  position: relative;
  display: none;
  margin-top: 3%;
  padding: 0 12% 0 10%;
  font-size: min(2.9166666667vw, 28px);
  color: #363636;
}

.qa__item.is-open .qa__answer {
  display: block;
}

.qa__answer::before {
  content: "A.";
  position: absolute;
  top: min(0.5208333333vw, 5px);
  left: min(3.6458333333vw, 35px);
  font-size: min(3.3333333333vw, 32px);
}

.qa__answer__text {
  line-height: 1.8;
}