body {
  font-family: "Noto Sans JP", sans-serif;
  color: #333;
  background-color: #f8f7f5;
  margin: 0;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 60px;
  background-color: #fff;
  border-bottom: 1px solid #ddd;
}

.logo h1 {
  font-size: 18px;
  line-height: 1.4;
}

.nav ul {
  display: flex;
  gap: 30px;
  list-style: none;
}

.nav a {
  text-decoration: none;
  color: #333;
}

.nav a.active {
  border-bottom: 1px solid #4b6043;
}

.content {
  padding: 60px;
  max-width: 900px;
  margin: 0 auto;
}

.intro {
  text-align: center;
  margin-bottom: 60px;
}

.intro h2 {
  font-size: 28px;
  letter-spacing: 2px;
}

.intro .sub {
  color: #777;
  letter-spacing: 3px;
  margin-bottom: 20px;
}

.service-item {
  display: flex;
  border-top: 1px solid #ddd;
  padding: 40px 0;
}

.service-item:last-child {
  border-bottom: 1px solid #ddd;
}

.number {
  font-size: 28px;
  color: #4b6043;
  font-weight: bold;
  width: 80px;
}

.details h3 {
  font-size: 20px;
  margin-bottom: 10px;
}

.details ul {
  list-style: none;
  padding-left: 0;
  margin-top: 10px;
}

.details li {
  margin-bottom: 5px;
}

.footer {
  background-color: #4b6043;
  color: #fff;
  text-align: center;
  padding: 20px;
}