body {
  font-family: 'Noto Sans JP', sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
  color: #333;
}

header {
  background: #0d47a1;
  color: #fff;
  padding: 1.5rem;
  text-align: center;
}

nav {
  background: #1565c0;
  padding: 0.5rem;
  text-align: center;
}

nav a {
  color: #fff;
  margin: 0 1rem;
  text-decoration: none;
  font-weight: bold;
}

section {
  padding: 3rem 1rem;
  max-width: 900px;
  margin: auto;
}

h2 {
  border-bottom: 2px solid #0d47a1;
  display: inline-block;
  margin-bottom: 1.5rem;
  padding-bottom: 0.3rem;
}

.business {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
}

.business div {
  flex: 1 1 250px;
  background: #f9f9f9;
  padding: 1rem;
  border: 1px solid #ddd;
  border-radius: 5px;
}

.works-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin-top: 2rem;
}
.work-card {
  flex: 1 1 250px;
  border: 1px solid #ddd;
  border-radius: 5px;
  padding: 1rem;
  background: #fff;
  text-align: center;
}
.work-card img {
  width: 100%;
  height: auto;
  border-radius: 5px;
  margin-bottom: 0.5rem;
}

form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

form input,
form textarea {
  padding: 0.8rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  width: 100%;
}

form button {
  padding: 0.8rem;
  border: none;
  background: #0d47a1;
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
}

form button:hover {
  background: #1565c0;
}

footer {
  background: #eee;
  text-align: center;
  padding: 1rem;
  margin-top: 2rem;
}