body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", "Meiryo", sans-serif;
  line-height: 1.8;
  color: #333;
  background-color: #f7f7f7;
}

.container {
  width: 90%;
  max-width: 900px;
  margin: 0 auto;
}

header {
  background-color: #003366;
  color: #fff;
  padding: 30px 0;
}

main {
  background-color: #fff;
  padding: 30px 0;
}

section {
  margin-bottom: 40px;
}




h2 {
  border-left: 6px solid #003366;
  padding-left: 12px;
  font-size: 22px;
}

.service-title {
  font-size: 1.2em;
  margin-bottom: 10px;
  position: relative;
  padding-left: 20px;
}

.service-title::before {
  content: "■";
  display: inline-block; /* 追加 */
  position: absolute;
  left: 0;
  color: #333;
}

ul {
  padding-left: 20px;
}

footer {
  background-color: #003366;
  color: #fff;
  text-align: center;
  padding: 15px 0;
}

.line-btn {
  display: inline-block;
  margin-top: 10px;
  padding: 12px 20px;
  background-color: #06C755;
  color: #fff;
  text-decoration: none;
  font-weight: bold;
  border-radius: 6px;
}

.line-btn:hover {
  opacity: 0.85;
}