body {
  margin: 0;
  padding: 0;
  font-family: sans-serif;
  background-color: #fff;
  color: #333;
}

.container {
  max-width: 700px;
  margin: 0 auto;
  padding: 20px;
  text-align: center;
}

.title-image img {
  width: 100%;
  height: auto;
  display: block;
  margin-bottom: 40px;
}

.step {
  margin-bottom: 60px;
}

.step img {
  width: 100%;
  height: auto;
  margin-bottom: 20px;
}

.step p {
  margin: 5px 0;
}

.triangle {
  margin-top: 20px;
  width: 0;
  height: 0;
  border-left: 15px solid transparent;
  border-right: 15px solid transparent;
  border-top: 20px solid #007bff; /* 青色 */
  margin-left: auto;
  margin-right: auto;
}

/* 大きめロゴ */
.logo {
  text-align: center;
  margin: 40px 0;
}

.logo img {
  max-width: 700px;
  width: 50%;
  height: auto;
}