.topic {
  /* font-family:'Helvetica Neue', -apple-system, 'Segoe UI', Roboto, Oxygen, Ubuntu, system-ui, BlinkMacSystemFont, sans-serif; */
  display: block;
  position: relative;
  font-weight: 700;
  padding-left: 3vw;
  margin-bottom: 1.25rem;
  margin-top: 3.75rem;
}

@media screen and (max-width: 768px) {
  .topic:first-child {
    margin-top: 2.5rem;
  }
}

.topic:before {
  content: "";
  position: absolute;
  display: block;
  width: 2vw;
  height: 0.4vw;
  background-color: #007fc7;
  top: calc(50% - 0.2vw);
  left: 0;
}
/* 
@media screen and (max-width: 768px) {
  .topic{
    padding-left: calc(2vw + 1.25rem);
  }

  .topic:before {
    width: 2.5vw;
    height: 0.6vw;
    top: calc(50% - 0.4vw);
  }
} */


@media screen and (max-width: 468px) {
  .topic{
    padding-left: calc(2.5vw + 1.25rem);
  }

  .topic:before {
    width: 5vw;
    height: 1vw;
    top: calc(50% - 0.4vw);
  }
}

.page_title {
  margin-bottom: 1rem;
}

.page_title > h1 {
  /* font-family:'Helvetica Neue', -apple-system, 'Segoe UI', Roboto, Oxygen, Ubuntu, system-ui, BlinkMacSystemFont, sans-serif; */
  display: block;
  font-size: clamp(2.5rem, 2.143rem + 1.79vw, 3.75rem);
  font-weight: 700;
  line-height: 1;
  background: linear-gradient(135deg, #008bd5 0%, #003577 79%, #001655 100%);
  color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-fill-color: transparent;
  padding-bottom: 1vw;
}

.sub_title {
  font-size: clamp(1rem, 0.929rem + 0.36vw, 1.25rem);
  color: #345a7f;
  font-weight: bold;
}

.progress_item::before {
  content: "";
  display: flex;
  width: clamp(2rem, 1.808rem + 0.77vw, 2.5rem);
  height: clamp(2rem, 1.808rem + 0.77vw, 2.5rem);
  background-color: #89a3be;
  font-size: clamp(0.75rem, 0.558rem + 0.77vw, 1.25rem);
  font-weight: 500;
  color: #fff;
  line-height: 2.4vw;
  text-align: center;
  position: absolute;
  /* top: calc(50% - 1.2vw); */
  left: 0px;
  align-items: center;   /* 縦中央 */
  justify-content: center;
}

.progress_item {
  position: relative;
  display: flex;
  align-items: center;
  width: calc(100% - 3.4vw);
  padding-bottom: 1.25rem; 
  padding-left: calc(clamp(2rem, 1.808rem + 0.77vw, 2.5rem) + 0.625rem);
  font-size: clamp(0.75rem, 0.462rem + 1.15vw, 1.5rem);
  color: #89a3be;
  font-weight: bold;
  border-bottom: solid 0.25rem #89a3be;
  padding-bottom: 1.25rem;
  white-space: nowrap;
}

.progress_item.current::before {
  background-color: #007fc7;
}

.progress_item.current {
  color: #007fc7;
  border-bottom: solid 0.25rem #007fc7;
}

.progress_item:nth-child(1)::before {
  content: "01";
}

.progress_item:nth-child(2)::before {
  content: "02";
}

.progress_item:nth-child(3)::before {
  content: "03";
}

@media screen and (max-width: 359px) {
    .progress_item {
        font-size: 0;
    }
    .progress_item::after {
        font-size: 12px;
    }
    .progress_item:nth-child(1)::after {
      content: "入力";
    }
    .progress_item:nth-child(2)::after {
      content: "確認";
    }
    .progress_item:nth-child(3)::after {
      content: "完了";
    }
}