.introduce-flow {
  position: relative;
  padding: 10.5625rem 7.5rem 10.9375rem 7.5rem;
  h2 {
    margin-bottom: 6.25rem;
    color: var(--primary-dark-color);
  }
}

.introduce-flow-steps-wrap {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 0.625rem;
}

.introduce-flow-step {
  width: 21.875rem;
}

.introduce-flow-step-visual {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0.625rem;
  width: 97%;
  height: 16.25rem;
  background: var(--white);
  border: 4px solid var(--primary-light-color);
  box-shadow: 1.9375rem 1.6875rem 1rem rgba(80, 206, 191, 0.01),
    1.0625rem 0.9375rem 0.875rem rgba(80, 206, 191, 0.05),
    0.5rem 0.4375rem 0.625rem rgba(80, 206, 191, 0.09),
    0.125rem 0.125rem 0.375rem rgba(80, 206, 191, 0.1);
  border-radius: 1rem;
  margin-bottom: 2.5rem;
  text-align: center;
  p {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--primary-main-color);
    margin-top: 0.625rem;
  }
}

.introduce-flow-step-text {
  font-size: 1.125rem;
  line-height: 1.6;
}

.introduce-flow-arrow-image {
  transform: translateY(8rem);
}
.introduce-flow-arrow-vertical {
  display: none;
}

/*無料でお使い頂けます*/
.introduce-flow-step:last-child {
  position: relative;
}
.for-free-flag-image {
  position: absolute;
  top: -0.625rem;
  right: 1.875rem;
  filter: drop-shadow(0px 4px 4px rgba(0, 0, 0, 0.25));
  max-width: 5.9375rem;
  width: 100%;
}
.for-free-text {
  position: absolute;
  top: -5.3125rem;
  right: 0;
  background: var(--primary-main-color);
  color: var(--white);
  border-radius: 2.1875rem;
  padding: 0.5rem 1.875rem;
  white-space: nowrap;
}
.for-free-text::after {
  content: "";
  position: absolute;
  bottom: -0.625rem;
  right: 1.875rem;
  transform: translateX(-50%) rotate(45deg);
  width: 1.875rem;
  height: 1.875rem;
  background-color: var(--primary-main-color);
  z-index: -1;
}

/* 背景画像*/
.introduce-flow-background-image {
  position: absolute;
  opacity: 0.4;
}
.top-right {
  top: 0;
  right: 0;
}
.bottom-left {
  bottom: 0;
  left: 0;
  transform: rotate(180deg);
}

@media (max-width: 900px) {
  .introduce-flow {
    h2 {
      margin-bottom: 2rem;
    }
  }
  .introduce-flow-steps-wrap {
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
  }
  .introduce-flow-arrow-horizontal {
    display: none;
  }
  .introduce-flow-arrow-vertical {
    display: block;
    transform: none;
  }
  .introduce-flow-step-text {
    text-align: center;
  }
  .introduce-flow-step:last-child {
    margin-top: 5.5rem;
  }
}
@media (max-width: 480px) {
  .introduce-flow {
    padding: 3.75rem 2rem;
  }
  .introduce-flow-background-image {
    display: none;
  }
}