/* BoothApp 公式サイト カスタムCSS */

:root {
  --primary-cyan: #00f2fe;
  --primary-blue: #4facfe;
  --bg-dark: #0e1629;
  --card-bg: rgba(255, 255, 255, 0.04);
  --card-border: rgba(255, 255, 255, 0.1);
}

/* アイコンが最も映えるプレミアム・サイバーネイビーグラデーション背景 */
body {
  background-color: #0b1120 !important;
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(0, 242, 254, 0.18) 0%, transparent 60%),
    radial-gradient(circle at 100% 30%, rgba(79, 172, 254, 0.14) 0%, transparent 50%),
    radial-gradient(circle at 0% 60%, rgba(56, 189, 248, 0.12) 0%, transparent 50%),
    radial-gradient(circle at 50% 100%, rgba(99, 102, 241, 0.12) 0%, transparent 60%) !important;
  background-attachment: fixed !important;
}

/* ロゴ強調バッジ（洗練されたグラスロゴを美しく引き立てる発光プレート） */
.logo-badge {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2.5px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(0, 242, 254, 0.6) 50%, rgba(56, 189, 248, 0.8) 100%);
  box-shadow: 0 0 24px rgba(0, 242, 254, 0.65), 0 4px 16px rgba(0, 0, 0, 0.35);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.logo-badge::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 18px;
  background: linear-gradient(135deg, #ffffff, #00f2fe, #38bdf8);
  z-index: -1;
  filter: blur(5px);
  opacity: 0.7;
}

.logo-badge:hover {
  box-shadow: 0 0 32px rgba(0, 242, 254, 0.9), 0 0 12px rgba(255, 255, 255, 0.8);
  transform: scale(1.06);
}

.logo-badge img {
  border-radius: 13px;
  display: block;
  background-color: transparent;
}

/* ヘッダー専用の明るいフロストグラス */
.header-glass {
  background: rgba(22, 33, 62, 0.88);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(0, 242, 254, 0.3);
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.35), 0 1px 0 rgba(255, 255, 255, 0.1) inset;
}

/* グラスモーフィズム */
.glass-panel {
  background: rgba(18, 28, 54, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(56, 189, 248, 0.2);
}

.glass-card {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.07);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(0, 242, 254, 0.4);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px -10px rgba(0, 242, 254, 0.15);
}

/* グラデーションテキスト */
.text-gradient {
  background: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-purple {
  background: linear-gradient(135deg, #a855f7 0%, #6366f1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* 光彩ボタン */
.btn-glow {
  background: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
  box-shadow: 0 4px 20px rgba(0, 242, 254, 0.35);
  transition: all 0.25s ease;
}

.btn-glow:hover {
  box-shadow: 0 6px 28px rgba(0, 242, 254, 0.55);
  transform: scale(1.02);
}

.btn-glow:active {
  transform: scale(0.98);
}

/* 背景グリッド & グローエフェクト */
.bg-grid {
  background-size: 40px 40px;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
}

.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
  z-index: 0;
}

/* アニメーション */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

.animate-float {
  animation: float 4s ease-in-out infinite;
}

/* スクロール スライドアニメーション (Scroll Reveal) */
.reveal {
  opacity: 0;
  transform: translateY(35px);
  transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1), transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal.reveal-left {
  transform: translateX(-40px);
}

.reveal.reveal-right {
  transform: translateX(40px);
}

.reveal.reveal-scale {
  transform: scale(0.92) translateY(20px);
}

.reveal.revealed {
  opacity: 1;
  transform: translate(0, 0) scale(1);
}

/* 順番にスライドインするスタッガーディレイ */
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }
.delay-400 { transition-delay: 400ms; }

/* モバイルメニュースライド */
#mobileMenu {
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  transform-origin: top;
}

#mobileMenu.menu-hidden {
  opacity: 0;
  transform: scaleY(0.85) translateY(-10px);
  pointer-events: none;
  max-height: 0;
  overflow: hidden;
  padding-top: 0;
  padding-bottom: 0;
}

#mobileMenu.menu-visible {
  opacity: 1;
  transform: scaleY(1) translateY(0);
  pointer-events: auto;
  max-height: 400px;
}