body {
  font-family: 'Hiragino Kaku Gothic Pro', 'Meiryo', sans-serif;
  color: #333;
  background-color: #f5f5f5;
}

/* ヘッダー */
header {
  position: fixed;
  top: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  padding: 15px 0;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 20px;
}

.logo {
  font-size: 18px;
  font-weight: bold;
  color: #333;
}

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

.nav-links a {
  text-decoration: none;
  color: #333;
  font-size: 16px;
  padding: 5px 15px;
  border: 1px solid #333;
  border-radius: 3px;
  transition: all 0.3s;
}

.nav-links a:hover {
  background-color: #333;
  color: #fff;
}

/* メインビジュアル */
.main-img {
  width: 100%;
  height: auto;
  object-fit: cover;
  margin-top: 85px;
}

/* セクション共通 */
section {
  max-width: 1440px;
  margin: 80px auto;
  padding: 0 20px;
}

.section-title {
  text-align: center;
  font-size: 48px;
  font-weight: bold;
  margin-bottom: 10px;
  color: #333;
}

.section-subtitle {
  text-align: center;
  font-size: 16px;
  color: #666;
  margin-bottom: 50px;
}

/* Aboutセクション */
.profile-img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.about-content {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 80px;
  margin-top: 50px;
}

.profile-info {
  flex: 1;
  max-width: 500px;
}

.profile-item {
  margin-bottom: 25px;
}

.profile-label {
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 10px;
  color: #333;
}

.profile-text {
  font-size: 16px;
  line-height: 1.8;
  color: #555;
  padding-left: 15px;
}

.profile-text li {
  list-style: none;
  position: relative;
  padding-left: 15px;
  margin-bottom: 8px;
}

.profile-text li::before {
  content: "・";
  position: absolute;
  left: 0;
}

/* Productionセクション */
.production-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  margin-top: 50px;
}

.production-item {
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s;
}

.production-item:hover {
  transform: translateY(-5px);
}

.production-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
}

.production-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.production-info {
  padding: 25px;
}

.production-name {
  text-align: center;
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 15px;
  color: #333;
}

.production-points {
  list-style: none;
}

.production-points li {
  font-size: 14px;
  color: #666;
  margin-bottom: 8px;
  padding-left: 0;
  text-align: center;
}

/* Contactセクション */
.contact-content {
  text-align: center;
  margin-top: 50px;
}

.contact-email {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 40px;
  font-size: 16px;
  color: #333;
}

.email-icon {
  font-size: 20px;
}

.qr-code {
  display: inline-block;
  width: 200px;
  height: 200px;
}

.qr-code img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* フッター */
footer {
  background-color: #333;
  color: #fff;
  text-align: center;
  padding: 20px;
  font-size: 14px;
}

/* デモ */
.demo-title {
  text-align: center;
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 20px;
  color: #333;
}

.demo-img {
  width: 100%;
  height: 100vh;
  object-fit: cover;
}

/* レスポンシブ */
@media (max-width: 768px) {
  .main-img {
  margin-top: 125px;
  }
  
  nav {
    flex-direction: column;
    gap: 15px;
  }

  .nav-links a {
    font-size: 14px;
    padding: 5px 10px;
  }

  .hero {
    height: 300px;
  }

  .section-title {
    font-size: 36px;
  }

  .about-content {
    flex-direction: column;
    align-items: center;
    gap: 40px;
  }

  .production-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}