/* 共通 */
.container {
  max-width: 1100px;
  margin: auto;
  padding: 0 20px;
  text-align: center;
}
h2 {
  margin-bottom: 40px;
  font-size: 2rem;
  color: #002b7f;
}
body {
  margin: 0;
  font-family: 'Noto Sans JP', sans-serif;
  color: #333;
  line-height: 1.6;
  overflow-x: hidden;
}

/* Header */
header {
  background: #fff;
  padding: 20px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #eee;
  min-height: 70px;
}
header h1 {
  margin: 0;
}
header .logo {
  height: 50px;
  width: auto;
  display: block;
}
nav {
  display: flex;
  align-items: center;
  gap: 20px;
}
.nav-group {
  display: flex;
  gap: 20px; /* サービスとお問い合わせの間隔 */
}
nav a {
  color: #ff6a00;
  text-decoration: none;
  font-weight: bold;
}
nav a:hover {
  text-decoration: underline;
}
.about-link {
  margin-left: 40px; /* グループとの距離 */
}

/* Hero */
.hero {
  background: #000;
  color: #fff;
  text-align: center;
  padding: 75px 20px 50px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  box-sizing: border-box;
}
.hero-image {
  max-width: 260px;
  margin: 10px auto;
  display: block;
}
.hero h2 {
  font-size: 1.9rem;
  color: #fff;
  margin: 10px 0 15px;
  line-height: 1.5;
}
.hero .highlight {
  color: #ff6a00;
  font-weight: bold;
}
.hero button {
  background: #ff6a00;
  color: #fff;
  border: none;
  padding: 12px 28px;
  font-size: 1rem;
  border-radius: 30px;
  cursor: pointer;
  margin-top: 10px;
}
.hero button:hover {
  background: #e65a00;
}
.hero .pc-break {
  display: block;
}
.hero .sp-break {
  display: none;
}

/* Services */
.services-section {
  background: #fff;
  padding: 80px 20px;
}
.services {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  align-items: stretch;
}
.card {
  flex: 1;
  min-width: 280px;
  max-width: 500px;
  background: #fff;
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  transition: transform 0.2s;
}
.card:hover {
  transform: translateY(-5px);
}
.card h3 {
  font-size: 1.5rem;
  color: #ff6a00;
  margin-bottom: 15px;
}

/* About */
.about-section {
  background: #f7f7f7;
  padding: 80px 20px;
}
.about-card {
  background: #fff;
  border-radius: 12px;
  padding: 40px;
  max-width: 600px;
  margin: auto;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.about-card p {
  margin: 10px 0;
}

/* Contact */
.contact-section {
  background: linear-gradient(90deg, #001a40,#002b7f);
  color: #fff;
  padding: 120px 20px 100px;
  position: relative;
  clip-path: ellipse(130% 100% at 50% 0); /* 上部を波型に */
}
.contact-card {
  background: #fff;
  color: #333;
  border-radius: 12px;
  padding: 20px;
  max-width: 800px;
  margin: auto;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}
.contact-section h2 {
  color: #ff6a00;
  margin-bottom: 40px;
}
.contact-card iframe {
  border-radius: 8px;
  width: 100%;
}

/* Footer */
footer {
  background: #0f172a;
  color: #fff;
  text-align: center;
  padding: 30px;
  margin-top: 50px;
}

/* =========================
   Responsive (SP対応)
========================= */
@media (max-width: 768px) {
  header {
    padding: 15px 20px;
  }
  header .logo {
    height: 40px;
  }
  nav {
    gap: 8px;
  }
  .nav-group {
    gap: 8px;
  }
  nav a {
    font-size: 0.75rem;
  }
  .about-link {
    margin-left: 8px;
  }

  .hero {
    padding: 50px 20px 40px;
  }
  .hero h2 {
    font-size: 1.1rem;
  }
  .hero .pc-break {
    display: none;
  }
  .hero .sp-break {
    display: block;
  }
  .services {
    flex-direction: column;
    align-items: center;
  }
  .services .card {
    flex: 0;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }
  .services .card h3 {
    font-size: 1.3rem;
  }
}