.p-sustop__left {
  margin-top: 3.5rem;
}

.p-sustop__left div {
  font-size: 2.5rem;
  text-align: left;
}

.p-sustop__right {
  display: flex;
  justify-content: flex-end;
}

.c-text-box {
  font-size: 1.125rem;
  line-height: 1.6;
  color: #333;
  background-color: #f4f7fa;
  border-radius: 8px;
  padding: 1.5rem;
}

.c-text--top {
  /* margin-top: 2rem; */
}

.c-text--sub {
  margin-top: 1rem;
}

.section__title {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  text-align: center;
}

.section__subtitle {
  font-size: 2.5rem;
  font-weight: 600;
  text-align: center;
}

.section__caption {
  font-size: 1.25rem;
  text-align: center;
  margin-top: 0px;
  font-weight: 600;
}

.box-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1rem;
}

.step-box {
  border: 1px solid #000;
  text-align: left;
  flex: 1 1 calc(25% - 1rem);
  box-sizing: border-box;
}

.step-box__header {
  font-size: 1.15rem;
  border-bottom: 1px solid #000;
  padding: 0.5rem 1rem;
  height: 4rem;
  display: flex;
  align-items: center;
  font-weight: 600;
}

.step-box__body {
  padding: 0.5rem;
}

.step-box__body img {
  width: 100%;
  height: auto;
}


.prefecture-map {

  padding-top: 20px;

}

.region {
  display: flex;
  align-items: flex-start;
}

.region:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.region__name {
  padding: 1rem;
  width: 176px;
  font-weight: 600;
  background-color: #f4f7fa;
  font-size: 1.25rem;
  margin-right: 32px;
  flex-shrink: 0;
}

.region__prefectures {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
  padding: 1rem 0.5rem;
}

.prefecture {
  text-decoration: underline;
  font-size: 1.25rem;
  padding: 5px 15px;
  transition: all 0.2s ease;
  cursor: pointer;
  border-right: 1px solid;
}

.prefecture--inactive {
  color: #999;
  text-decoration: none;
  cursor: default;
  opacity: 0.6;
}

.rakuten_img {
  display: block;
  margin: 40px auto 40px;
  width: 700px;
}

/*Step boxes responsive*/
@media (max-width: 768px) {
  .step-box {
    flex: 1 1 calc(50% - 0.5rem);
  }
}
@media (max-width: 480px) {
  .step-box {
    flex: 1 1 100%;
  }
}

/*Prefecture section responsive*/
@media (max-width: 768px) {

  .section__subtitle {
    font-size: 2rem;
  }

  .region {
    flex-direction: column;
    align-items: stretch;
  }

  .region__prefectures {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }

  .region__prefectures .prefecture {
    display: none;
    flex: 0 0 calc((100% - 16px) / 3);
    max-width: calc((100% - 16px) / 3);
    box-sizing: border-box;
    border: 2px solid #e0e0e0;
    padding: 16px;
    margin: 0;
    border-radius: 4px;
    text-align: center;
    font-size: 16px;
  }

  .region.is-open .region__prefectures .prefecture {
    display: block;
  }

  .region__name {
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    font-size: 1.2rem;
    border-bottom: 2px solid #ddd;
    width: 100%;
    background-color: #fff;
    border-left: 8px solid #535353;
  }

  .region__name::after {
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    content: "\f078";
    font-size: 1rem;
  }

  .region.is-open .region__name::after {
    content: "\f077";
  }
}

/* 画像削除に伴う余白調整 */
.p-top__section-last {
  padding-bottom: 40px;
}