/* ============================================
   外壁塗装の窓口PRO - アニメーション拡張
   ============================================ */

/* ============================================
   Loading Animation
   ============================================ */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-black);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-loader.loaded {
    opacity: 0;
    visibility: hidden;
}

.loader-spinner {
    width: 60px;
    height: 60px;
    border: 3px solid rgba(255, 107, 0, 0.2);
    border-top-color: var(--primary-orange);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ============================================
   Scroll Progress Bar
   ============================================ */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-orange), var(--primary-orange-light));
    z-index: 1001;
    width: 0;
    transition: width 0.1s ease;
}

/* ============================================
   Enhanced Fade Animations
   ============================================ */
.fade-in-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), 
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-down {
    opacity: 0;
    transform: translateY(-40px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), 
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in-down.visible {
    opacity: 1;
    transform: translateY(0);
}

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

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

/* Stagger Animation Delays */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }

/* ============================================
   Hover Effects
   ============================================ */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.hover-glow {
    transition: box-shadow 0.3s ease;
}

.hover-glow:hover {
    box-shadow: 0 0 30px rgba(255, 107, 0, 0.4);
}

.hover-scale {
    transition: transform 0.3s ease;
}

.hover-scale:hover {
    transform: scale(1.05);
}

/* ============================================
   Text Animations
   ============================================ */
.text-reveal {
    overflow: hidden;
}

.text-reveal span {
    display: inline-block;
    transform: translateY(100%);
    animation: textReveal 0.8s ease forwards;
}

@keyframes textReveal {
    to {
        transform: translateY(0);
    }
}

.typing-cursor::after {
    content: '|';
    animation: blink 0.7s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* ============================================
   Button Animations
   ============================================ */
.btn-animated {
    position: relative;
    overflow: hidden;
}

.btn-animated::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn-animated:hover::before {
    width: 300px;
    height: 300px;
}

.btn-shine {
    position: relative;
    overflow: hidden;
}

.btn-shine::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        to right,
        transparent 0%,
        rgba(255, 255, 255, 0.3) 50%,
        transparent 100%
    );
    transform: rotate(45deg) translateX(-100%);
    transition: transform 0.6s ease;
}

.btn-shine:hover::after {
    transform: rotate(45deg) translateX(100%);
}

/* ============================================
   Card Animations
   ============================================ */
.card-3d {
    perspective: 1000px;
}

.card-3d-inner {
    transition: transform 0.6s ease;
    transform-style: preserve-3d;
}

.card-3d:hover .card-3d-inner {
    transform: rotateY(10deg) rotateX(5deg);
}

.card-border-animation {
    position: relative;
}

.card-border-animation::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 2px solid transparent;
    border-radius: inherit;
    transition: border-color 0.3s ease;
}

.card-border-animation:hover::before {
    border-color: var(--primary-orange);
}

/* ============================================
   Image Animations
   ============================================ */
.img-zoom {
    overflow: hidden;
}

.img-zoom img {
    transition: transform 0.6s ease;
}

.img-zoom:hover img {
    transform: scale(1.1);
}

.img-parallax {
    overflow: hidden;
}

.img-parallax img {
    transition: transform 0.1s ease-out;
}

.img-reveal {
    position: relative;
    overflow: hidden;
}

.img-reveal::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-orange);
    transform: translateX(-100%);
    animation: imgReveal 1s ease forwards;
}

@keyframes imgReveal {
    0% { transform: translateX(-100%); }
    50% { transform: translateX(0); }
    100% { transform: translateX(100%); }
}

/* ============================================
   Counter Animation
   ============================================ */
.counter-animate {
    display: inline-block;
}

/* ============================================
   Floating Animation
   ============================================ */
.float {
    animation: float 3s ease-in-out infinite;
}

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

.float-slow {
    animation: float 5s ease-in-out infinite;
}

.float-fast {
    animation: float 2s ease-in-out infinite;
}

/* ============================================
   Pulse Animation
   ============================================ */
.pulse {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.pulse-glow {
    animation: pulseGlow 2s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% { 
        box-shadow: 0 0 0 0 rgba(255, 107, 0, 0.4);
    }
    50% { 
        box-shadow: 0 0 0 20px rgba(255, 107, 0, 0);
    }
}

/* ============================================
   Shake Animation
   ============================================ */
.shake-on-hover:hover {
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* ============================================
   Rotate Animation
   ============================================ */
.rotate-on-hover {
    transition: transform 0.3s ease;
}

.rotate-on-hover:hover {
    transform: rotate(360deg);
}

.rotate-continuous {
    animation: rotateContinuous 10s linear infinite;
}

@keyframes rotateContinuous {
    to { transform: rotate(360deg); }
}

/* ============================================
   Slide In Animations
   ============================================ */
.slide-in-bottom {
    opacity: 0;
    transform: translateY(60px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-bottom.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-top {
    opacity: 0;
    transform: translateY(-60px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-top.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Bounce Animation
   ============================================ */
.bounce {
    animation: bounce 2s ease infinite;
}

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

/* ============================================
   Gradient Animation
   ============================================ */
.gradient-animate {
    background: linear-gradient(
        270deg,
        var(--primary-orange),
        var(--primary-orange-dark),
        var(--primary-orange-light),
        var(--primary-orange)
    );
    background-size: 400% 400%;
    animation: gradientShift 8s ease infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* ============================================
   Line Drawing Animation
   ============================================ */
.line-draw {
    stroke-dasharray: 1000;
    stroke-dashoffset: 1000;
    animation: lineDraw 2s ease forwards;
}

@keyframes lineDraw {
    to { stroke-dashoffset: 0; }
}

/* ============================================
   Ripple Effect
   ============================================ */
.ripple {
    position: relative;
    overflow: hidden;
}

.ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 0;
    border-radius: 50%;
    transform: scale(1) translate(-50%, -50%);
    transform-origin: 50% 50%;
}

.ripple:focus:not(:active)::after {
    animation: ripple 1s ease-out;
}

@keyframes ripple {
    0% {
        transform: scale(0) translate(-50%, -50%);
        opacity: 1;
    }
    100% {
        transform: scale(40) translate(-50%, -50%);
        opacity: 0;
    }
}

/* ============================================
   Mobile Menu Animation
   ============================================ */
.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

.nav-menu.mobile-active {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(26, 26, 26, 0.98);
    padding: 30px;
    gap: 20px;
    animation: slideDown 0.3s ease;
}

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

/* ============================================
   Scroll Indicator
   ============================================ */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollBounce 2s ease infinite;
}

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

.scroll-indicator-mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--white);
    border-radius: 20px;
    position: relative;
}

.scroll-indicator-mouse::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    width: 4px;
    height: 8px;
    background: var(--white);
    border-radius: 2px;
    transform: translateX(-50%);
    animation: scrollWheel 1.5s ease infinite;
}

@keyframes scrollWheel {
    0% { opacity: 1; top: 8px; }
    100% { opacity: 0; top: 24px; }
}

/* ============================================
   Back to Top Button
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-black);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 998;
    box-shadow: var(--shadow-lg);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--primary-orange);
    transform: translateY(-5px);
}

.back-to-top svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

/* ============================================
   Form Field Animation
   ============================================ */
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    animation: inputFocus 0.3s ease;
}

@keyframes inputFocus {
    0% { box-shadow: 0 0 0 0 rgba(255, 107, 0, 0.4); }
    100% { box-shadow: 0 0 0 4px rgba(255, 107, 0, 0.1); }
}

.form-input.error,
.form-select.error,
.form-textarea.error {
    border-color: #dc3545;
    animation: inputError 0.5s ease;
}

@keyframes inputError {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-5px); }
    40%, 80% { transform: translateX(5px); }
}

.field-error {
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: 4px;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ============================================
   Form Success Animation
   ============================================ */
.form-success {
    text-align: center;
    padding: 60px 40px;
    animation: successPop 0.5s ease;
}

@keyframes successPop {
    0% { transform: scale(0.8); opacity: 0; }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); opacity: 1; }
}

.form-success svg {
    animation: checkmark 0.5s ease 0.3s forwards;
    opacity: 0;
}

@keyframes checkmark {
    0% { transform: scale(0); opacity: 0; }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); opacity: 1; }
}

.form-success h3 {
    margin: 20px 0 10px;
    animation: fadeInUp 0.5s ease 0.5s forwards;
    opacity: 0;
}

.form-success p {
    animation: fadeInUp 0.5s ease 0.7s forwards;
    opacity: 0;
}

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

/* ============================================
   Tooltip Animation
   ============================================ */
.tooltip {
    position: relative;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: var(--primary-black);
    color: var(--white);
    padding: 8px 16px;
    border-radius: 4px;
    font-size: 0.875rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.tooltip:hover::after {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-5px);
}

/* ============================================
   Skeleton Loading
   ============================================ */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--gray-200) 25%,
        var(--gray-100) 50%,
        var(--gray-200) 75%
    );
    background-size: 200% 100%;
    animation: skeleton 1.5s ease infinite;
}

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

/* ============================================
   Notification Animation
   ============================================ */
.notification {
    animation: notificationSlide 0.5s ease;
}

@keyframes notificationSlide {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.notification.hide {
    animation: notificationHide 0.3s ease forwards;
}

@keyframes notificationHide {
    to {
        opacity: 0;
        transform: translateX(100%);
    }
}