@charset "utf-8";

/* リセットCSS */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Noto Sans JP', sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f8f9fa;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ヘッダー */
.header {
  background: linear-gradient(135deg, #29384b 0%, #02101b 100%);
  color: white;
  padding: 1rem 0;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-logo a {
  color: white;
  text-decoration: none;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 1px;
  font-family: 'Noto Serif JP', serif;
}

.header-nav {
  display: flex;
  gap: 2rem;
}

.header-nav a {
  color: white;
  text-decoration: none;
  font-weight: 500;
  transition: opacity 0.3s ease;
}

.header-nav a:hover {
  opacity: 0.8;
}

/* ヒーローセクション */
.hero {
  background: linear-gradient(135deg, #42576e 0%, #010e18 100%);
  color: white;
  padding: 120px 0 80px;
  text-align: center;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
}

.hero-icon {
  margin-bottom: 2rem;
}

.hero-icon img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: 2px;
  font-family: 'Noto Serif JP', serif;
}

.hero-decoration {
  width: 80px;
  height: 3px;
  background: white;
  margin: 0 auto 1.5rem;
  border-radius: 2px;
  opacity: 0.8;
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  opacity: 0.9;
}

.hero-description {
  font-size: 1.1rem;
  line-height: 1.8;
  opacity: 0.8;
  margin-bottom: 3rem;
}

/* スクロールインジケーター */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0.7;
}

.scroll-arrow {
  width: 30px;
  height: 30px;
  border-right: 3px solid white;
  border-bottom: 3px solid white;
  transform: rotate(45deg);
  animation: bounce_arrow 2s infinite;
}

.scroll-text {
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  animation: bounce_text 2s infinite;
}

@keyframes bounce_arrow{
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0) rotate(45deg);
  }
  40% {
    transform: translateY(-20px) rotate(45deg);
  }
  60% {
    transform: translateY(-10px) rotate(45deg);
  }
}

@keyframes bounce_text {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

/* セクション共通 */
.section-title {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 3rem;
  color: #333;
  font-weight: 700;
}

/* サービスセクション */
.services {
  padding: 80px 0;
  background: white;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.service-card {
  background: white;
  padding: 2.5rem;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.service-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.service-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: #333;
}

.service-card p {
  color: #666;
  margin-bottom: 2rem;
  line-height: 1.6;
}

/* ボタン */
.btn-primary {
  display: inline-block;
  background: linear-gradient(135deg, #2e4155 0%, #020f19 100%);
  color: white;
  padding: 12px 30px;
  text-decoration: none;
  border-radius: 25px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(46, 65, 85, 0.4);
}

/* アバウトセクション */
.about {
  padding: 80px 0;
  background: #f8f9fa;
}

.about-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.about-content p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #666;
}

/* フッター */
.footer {
  background: linear-gradient(135deg, #29384b 0%, #02101b 100%);
  color: white;
  text-align: center;
  padding: 2rem 0;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
  .header-nav {
    display: none;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.2rem;
  }
  
  .hero-icon img {
    width: 100px;
    height: 100px;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .scroll-indicator {
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
  }
  
  .scroll-arrow {
    width: 25px;
    height: 25px;
    border-right: 2px solid white;
    border-bottom: 2px solid white;
  }
  
  .scroll-text {
    font-size: 0.7rem;
  }
}