/* カスタムスタイル - Tailwind CSSの補完 */

html {
  scroll-behavior: smooth;
}

/* ナビゲーション */
#navbar {
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

/* ヒーローセクション */
#hero {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #0f172a 100%);
  min-height: 100vh;
}

.hero-text-shadow {
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

/* セクション共通 */
.section-title {
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: #1e40af;
  border-radius: 2px;
}

/* 事業内容カード */
.service-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* ハンバーガーメニュー */
.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: white;
  transition: all 0.3s ease;
}

#mobile-menu {
  transition: max-height 0.3s ease, opacity 0.3s ease;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
}

#mobile-menu.open {
  max-height: 400px;
  opacity: 1;
}

/* マップコンテナ */
.map-container {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
}

.map-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* Instagramグラデーション */
.instagram-gradient {
  background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
}

/* アニメーション */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.8s ease forwards;
}

/* スクロールアニメーション用 */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}