h1 {
  color: #333;
  font-size: 32px;
  font-weight: 700;
  margin: 70px auto 6px;
  text-align: center;
}
.flowchart {
  display: block;
  width: 100%;
}
h2 {
  color: #333;
  font-size: 32px;
  font-weight: 700;
  margin: 70px auto 20px;
  text-align: center;
}
.stadium {
  display: block;
  padding: 0 40px;
  box-sizing: border-box;
}
.explainBox {
  display: flex;
  justify-content: center;
  align-items: center;
}
.explainBox span {
  display: block;
  width: 6px;
  height: 16px;
  background-color: #5794EB;
}
.explainBox p {
  font-size: 24px;
  color: #444;
  margin: 88px 20px;
}