/* Animations.css - CLAUDE.md 共通ルール準拠 */
/* アニメーション：opacity 0→1・translateY 40px→0・duration 0.6s */

/* Initial States */
.fade-in-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-up.delay-200 {
  transition-delay: 0.2s;
}

.fade-in-up.delay-400 {
  transition-delay: 0.4s;
}

.fade-in-up.delay-600 {
  transition-delay: 0.6s;
}

.fade-in-up.delay-800 {
  transition-delay: 0.8s;
}

/* Active States */
.fade-in-up.animate {
  opacity: 1;
  transform: translateY(0);
}

/* Fade in from left */
.fade-in-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-left.animate {
  opacity: 1;
  transform: translateX(0);
}

/* Fade in from right */
.fade-in-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-right.animate {
  opacity: 1;
  transform: translateX(0);
}

/* Scale fade in */
.fade-in-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-scale.animate {
  opacity: 1;
  transform: scale(1);
}

/* Stagger animations for multiple elements */
.stagger-delay-1 { transition-delay: 0.1s; }
.stagger-delay-2 { transition-delay: 0.2s; }
.stagger-delay-3 { transition-delay: 0.3s; }
.stagger-delay-4 { transition-delay: 0.4s; }
.stagger-delay-5 { transition-delay: 0.5s; }
.stagger-delay-6 { transition-delay: 0.6s; }

/* Slide in animations */
.slide-in-up {
  opacity: 0;
  transform: translateY(60px);
  transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.slide-in-up.animate {
  opacity: 1;
  transform: translateY(0);
}

/* Image reveal animations */
.reveal-mask {
  position: relative;
  overflow: hidden;
}

.reveal-mask img {
  opacity: 0;
  transform: scale(1.1);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-mask.animate img {
  opacity: 1;
  transform: scale(1);
}

.reveal-mask::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-main);
  transform: translateX(-100%);
  transition: transform 0.8s cubic-bezier(0.77, 0, 0.175, 1);
  z-index: 1;
}

.reveal-mask.animate::after {
  transform: translateX(100%);
}

/* Counter animation */
@keyframes countUp {
  from { opacity: 0; }
  to { opacity: 1; }
}

.counter {
  animation: countUp 1s ease-out;
}

/* Loading states */
.loading-shimmer {
  background: linear-gradient(90deg,
    rgba(212, 175, 55, 0.1) 0%,
    rgba(212, 175, 55, 0.3) 50%,
    rgba(212, 175, 55, 0.1) 100%);
  background-size: 200% 100%;
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* Button hover animations */
.btn-hover-slide {
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-hover-slide::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: rgba(193, 155, 42, 0.2);
  transition: left 0.5s ease;
  z-index: -1;
}

.btn-hover-slide:hover::before {
  left: 0;
}

/* Card hover animations */
.card-hover {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-hover:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(26, 26, 26, 0.1);
}

/* Text reveal animations */
.text-reveal {
  position: relative;
  overflow: hidden;
}

.text-reveal span {
  display: inline-block;
  opacity: 0;
  transform: translateY(100%);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.text-reveal.animate span {
  opacity: 1;
  transform: translateY(0);
}

/* Progressive text reveal */
.text-reveal.animate span:nth-child(1) { transition-delay: 0.1s; }
.text-reveal.animate span:nth-child(2) { transition-delay: 0.2s; }
.text-reveal.animate span:nth-child(3) { transition-delay: 0.3s; }
.text-reveal.animate span:nth-child(4) { transition-delay: 0.4s; }
.text-reveal.animate span:nth-child(5) { transition-delay: 0.5s; }

/* Parallax elements */
.parallax-element {
  transition: transform 0.1s linear;
  will-change: transform;
}

/* Smooth scrolling anchor */
html {
  scroll-behavior: smooth;
}

/* Intersection observer trigger class */
.io-animate {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.io-animate.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* Hero entrance animation */
.hero-entrance {
  animation: heroFadeIn 1.2s ease-out;
}

@keyframes heroFadeIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Navigation slide in */
.nav-slide {
  transform: translateY(-100%);
  transition: transform 0.5s ease;
}

.nav-slide.animate {
  transform: translateY(0);
}

/* Floating elements */
.floating {
  animation: floating 3s ease-in-out infinite;
}

@keyframes floating {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

/* Pulse animation for CTAs */
.pulse-glow {
  animation: pulseGlow 2s infinite;
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 5px rgba(212, 175, 55, 0.5); }
  50% { box-shadow: 0 0 20px rgba(212, 175, 55, 0.8); }
}

/* Page transition effects */
.page-transition {
  opacity: 0;
  animation: pageTransition 0.5s ease-out forwards;
}

@keyframes pageTransition {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Mobile-specific animations */
@media (max-width: 767px) {
  .fade-in-up,
  .fade-in-left,
  .fade-in-right {
    transform: translateY(20px);
  }

  .slide-in-up {
    transform: translateY(30px);
  }
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .fade-in-up,
  .fade-in-left,
  .fade-in-right,
  .fade-in-scale,
  .slide-in-up {
    opacity: 1;
    transform: none;
  }
}

/* Print styles */
@media print {
  .fade-in-up,
  .fade-in-left,
  .fade-in-right,
  .fade-in-scale,
  .slide-in-up {
    opacity: 1 !important;
    transform: none !important;
  }
}