/* ============================================
   MICHINORI - Advanced Styles
   驚愕のランディングページ
   ============================================ */

/* ============================================
   Opening Animation - Enhanced
   ============================================ */
.opening {
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-black);
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

.opening.fade-out {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.opening-content {
    position: relative;
    z-index: 2;
    text-align: center;
    width: 100%;
    padding: 0 20px;
}

.opening-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    position: relative;
}

/* AIX伴走パートナー - Giant Outline Background（枠線のみ） */
.logo-bg-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-sans);
    font-size: clamp(1.8rem, 8vw, 5rem);
    font-weight: 700;
    letter-spacing: 0.08em;
    white-space: nowrap;
    color: transparent;
    -webkit-text-stroke: 1.5px rgba(255, 255, 255, 0.35);
    text-stroke: 1.5px rgba(255, 255, 255, 0.35);
    opacity: 0;
    animation: bgTextFadeIn 1.2s ease forwards;
    animation-delay: 0.1s;
    z-index: 0;
}

@keyframes bgTextFadeIn {
    to {
        opacity: 1;
    }
}

.logo-main {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(2.5rem, 10vw, 5rem);
    font-weight: 500;
    letter-spacing: 0.4em;
    color: var(--color-white);
    opacity: 0;
    transform: translateY(30px);
    animation: logoFadeIn 1s ease forwards;
    animation-delay: 0.3s;
    position: relative;
    z-index: 1;
}

.logo-line {
    width: 100px;
    height: 1px;
    background: var(--color-white);
    opacity: 0;
    transform: scaleX(0);
    animation: lineExpand 0.6s ease forwards;
    animation-delay: 1s;
    position: relative;
    z-index: 1;
}

/* AIX伴走パートナー - Subtitle */
.logo-sub {
    font-family: var(--font-sans);
    font-size: clamp(0.875rem, 2.5vw, 1.125rem);
    font-weight: 500;
    letter-spacing: 0.2em;
    color: rgba(255, 255, 255, 0.7);
    opacity: 0;
    transform: translateY(10px);
    animation: logoFadeIn 0.8s ease forwards;
    animation-delay: 1.4s;
    position: relative;
    z-index: 1;
}

@keyframes logoFadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes lineExpand {
    to {
        opacity: 1;
        transform: scaleX(1);
    }
}

/* Particles - Enhanced */
.opening-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--color-white);
    border-radius: 50%;
    opacity: 0;
    animation: particleFloat 4s ease-in-out infinite;
}

.particle:nth-child(1) { top: 15%; left: 10%; animation-delay: 0s; }
.particle:nth-child(2) { top: 70%; left: 90%; animation-delay: 0.7s; }
.particle:nth-child(3) { top: 85%; left: 15%; animation-delay: 1.4s; }
.particle:nth-child(4) { top: 25%; left: 80%; animation-delay: 2.1s; }
.particle:nth-child(5) { top: 55%; left: 45%; animation-delay: 2.8s; }

@keyframes particleFloat {
    0%, 100% {
        opacity: 0;
        transform: translateY(0) scale(0);
    }
    15% {
        opacity: 0.8;
        transform: translateY(-10px) scale(1);
    }
    85% {
        opacity: 0.2;
        transform: translateY(-80px) scale(0.3);
    }
}

/* ============================================
   Parallax Background Text - Scroll-Driven
   スクロールに連動して動く演出
   ============================================ */
.parallax-text {
    position: fixed;
    pointer-events: none;
    z-index: 0;
    font-family: 'Cormorant Garamond', serif;
    font-weight: 500;
    color: var(--color-gray-500);
    opacity: 0;
    white-space: nowrap;
    will-change: transform, opacity;
    transition: opacity 0.6s ease-out, transform 0.8s ease-out;
}

/* 1つ目: サービスセクション付近 - ふわっと浮かぶ */
.parallax-text-1 {
    top: 40%;
    left: 50%;
    font-size: clamp(3rem, 12vw, 8rem);
    letter-spacing: 0.1em;
    transform: translate(-50%, 100px);
}

/* 2つ目: プロフィール付近 - 右から左へスライド */
.parallax-text-2 {
    top: 55%;
    right: 0;
    font-size: clamp(3rem, 12vw, 8rem);
    letter-spacing: 0.1em;
    transform: translateX(100%);
}

/* アクティブ状態（JSで制御） */
.parallax-text.active {
    opacity: 0.15;
}

/* 1つ目: ふわっと浮かぶ（中央に止まる） */
.parallax-text-1.active {
    transform: translate(-50%, 0);
}

/* 2つ目: 右から左へスライド */
.parallax-text-2.active {
    transform: translateX(-10%);
}

/* ============================================
   Brand Header - Enhanced with AIX伴走パートナー
   ============================================ */
.brand-header {
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
    text-align: center;
    position: relative;
    z-index: 1;
}

.brand-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.brand-name {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(2.5rem, 8vw, 4rem);
    font-weight: 500;
    letter-spacing: 0.25em;
    color: var(--color-gray-900);
}

.brand-divider {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    color: var(--color-gray-300);
    font-weight: 200;
}

.brand-person {
    font-family: var(--font-sans);
    font-size: clamp(1.25rem, 4vw, 1.75rem);
    font-weight: 600;
    color: var(--color-gray-800);
    letter-spacing: 0.1em;
}

/* AIX伴走パートナー - Hero下に上品に表示 */
.brand-aix {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(1.25rem, 4vw, 1.75rem);
    font-weight: 500;
    color: var(--color-gray-700);
    letter-spacing: 0.2em;
    margin: var(--spacing-md) 0;
    padding: 0;
    position: relative;
}

/* AIXの説明テキスト */
.brand-aix-desc {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--color-gray-500);
    letter-spacing: 0.03em;
    margin-top: var(--spacing-xs);
}

.brand-tagline {
    font-family: var(--font-sans);
    font-size: clamp(1.125rem, 3vw, 1.5rem);
    color: var(--color-gray-600);
    letter-spacing: 0.15em;
    margin-top: var(--spacing-lg);
    font-weight: 500;
}

/* ============================================
   LINE CTA Section - Enhanced
   ============================================ */
.line-cta-section {
    margin: var(--spacing-xl) 0 var(--spacing-3xl);
    padding: 0 var(--spacing-lg);
}

.line-cta-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-xl);
    background: #06C755;
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-lg);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(6, 199, 85, 0.35);
    animation: linePulse 3s ease-in-out infinite;
}

@keyframes linePulse {
    0%, 100% {
        box-shadow: 0 8px 30px rgba(6, 199, 85, 0.35);
        transform: translateY(0);
    }
    50% {
        box-shadow: 0 12px 40px rgba(6, 199, 85, 0.5);
        transform: translateY(-2px);
    }
}

.line-cta-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
    transition: left 0.6s ease;
}

.line-cta-btn:hover::before {
    left: 100%;
}

.line-cta-btn:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 16px 50px rgba(6, 199, 85, 0.5);
}

.line-cta-btn:active {
    transform: translateY(-1px) scale(0.99);
}

.line-cta-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.line-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.line-cta-text {
    font-family: var(--font-sans);
    font-size: 1.375rem;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.line-cta-comment {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.75);
}

/* ============================================
   Services Section - Staggered Layout
   ============================================ */
.services {
    margin: var(--spacing-3xl) 0;
    padding: 0;
    position: relative;
    z-index: 1;
}

.services .section-title {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.service-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3xl);
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Staggered Card Layout */
.service-card {
    position: relative;
    overflow: hidden;
    max-width: 500px;
    width: 85%;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Left-Right Alternating */
.service-card:nth-child(odd) {
    margin-left: 0;
    margin-right: auto;
}

.service-card:nth-child(even) {
    margin-left: auto;
    margin-right: 0;
}

/* Card Hover Effects - All Cards */
.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, transparent 0%, rgba(0, 0, 0, 0.03) 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
}

.service-card:hover::before {
    opacity: 1;
}

.service-card::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 300%;
    height: 300%;
    background: radial-gradient(circle, rgba(0, 0, 0, 0.02) 0%, transparent 50%);
    opacity: 0;
    transform: translate(-50%, -50%) scale(0);
    transition: all 0.6s ease;
    pointer-events: none;
}

.service-card:hover::after {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
    border-color: var(--color-gray-400);
}

.service-card .card-link {
    cursor: pointer;
}

.card-arrow {
    position: absolute;
    right: var(--spacing-lg);
    bottom: var(--spacing-lg);
    font-family: var(--font-mono);
    font-size: 1.5rem;
    color: var(--color-gray-400);
    opacity: 0;
    transform: translateX(-15px);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.service-card:hover .card-arrow {
    opacity: 1;
    transform: translateX(0);
}

/* Featured Card Enhancement */
.featured-card {
    position: relative;
    border-width: 2px;
}

.featured-card::before {
    content: '';
    position: absolute;
    inset: -3px;
    background: linear-gradient(135deg, var(--color-gray-300), var(--color-gray-500), var(--color-gray-300));
    border-radius: calc(var(--radius-md) + 3px);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.featured-card:hover::before {
    opacity: 0.6;
}

/* ============================================
   Multi-Direction Animations
   ============================================ */

/* Base state - hidden */
.animate-card {
    opacity: 0;
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* From Bottom */
.animate-from-bottom {
    transform: translateY(80px);
}

/* From Left */
.animate-from-left {
    transform: translateX(-100px);
}

/* From Right */
.animate-from-right {
    transform: translateX(100px);
}

/* Visible state */
.animate-card.visible {
    opacity: 1;
    transform: translateY(0) translateX(0);
}

/* Stagger delays */
.animate-card[data-delay="0"] { transition-delay: 0s; }
.animate-card[data-delay="1"] { transition-delay: 0.15s; }
.animate-card[data-delay="2"] { transition-delay: 0.3s; }
.animate-card[data-delay="3"] { transition-delay: 0.45s; }
.animate-card[data-delay="4"] { transition-delay: 0.6s; }

/* ============================================
   Profile Section - Enhanced
   ============================================ */
.profile-section {
    margin: var(--spacing-3xl) 0;
    padding: var(--spacing-3xl) var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.profile-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    max-width: 600px;
    margin: 0 auto;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

.profile-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-gray-200);
}

.profile-avatar {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gray-900);
    color: var(--color-white);
    border-radius: 50%;
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.75rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    flex-shrink: 0;
}

.profile-info {
    flex: 1;
}

.profile-name {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: 4px;
}

.profile-name-en {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--color-gray-500);
    letter-spacing: 0.08em;
    margin-bottom: 6px;
}

.profile-location {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
}

.profile-story {
    margin-bottom: var(--spacing-xl);
}

.story-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    border-left: 2px solid var(--color-gray-200);
    padding-left: var(--spacing-lg);
    margin-left: 6px;
    position: relative;
}

.story-item::before {
    content: '';
    position: absolute;
    left: -6px;
    top: calc(var(--spacing-sm) + 8px);
    width: 10px;
    height: 10px;
    background: var(--color-white);
    border: 2px solid var(--color-gray-400);
    border-radius: 50%;
}

.story-item.highlight::before {
    border-color: var(--color-gray-700);
    background: var(--color-gray-700);
}

.story-item.turning::before {
    border-color: var(--color-gray-500);
    background: var(--color-gray-500);
}

.story-item.current::before {
    border-color: var(--color-black);
    background: var(--color-black);
    box-shadow: 0 0 0 4px rgba(0, 0, 0, 0.1);
}

.story-age {
    flex-shrink: 0;
    min-width: 56px;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-gray-700);
}

.story-text {
    font-size: 0.9375rem;
    color: var(--color-gray-700);
    line-height: 1.6;
}

.story-item.current .story-text {
    color: var(--color-black);
    font-weight: 500;
}

.profile-skills {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-gray-200);
}

.skill-tag {
    display: inline-block;
    padding: 6px 14px;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-gray-700);
    background: var(--color-gray-100);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.skill-tag:hover {
    background: var(--color-gray-900);
    color: var(--color-white);
    border-color: var(--color-gray-900);
    transform: translateY(-2px);
}

/* ============================================
   CTA Section - Enhanced
   ============================================ */
.cta-section {
    margin: var(--spacing-3xl) 0;
    padding: var(--spacing-2xl) var(--spacing-lg);
    position: relative;
    z-index: 1;
}

/* ============================================
   Footer - Enhanced
   ============================================ */
.footer {
    padding-top: var(--spacing-3xl);
    position: relative;
    z-index: 1;
}

.footer-brand {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.5rem;
    font-weight: 500;
    letter-spacing: 0.25em;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-md);
}

/* ============================================
   Spacing Variables Extension
   ============================================ */
:root {
    --spacing-3xl: 6rem;
    --spacing-4xl: 8rem;
}

/* ============================================
   Main Content Hidden State
   ============================================ */
.main-hidden .hero,
.main-hidden .wave-container,
.main-hidden .container,
.main-hidden .parallax-text {
    opacity: 0;
    visibility: hidden;
}

/* ============================================
   Video Trigger Section - Enhanced Spacing
   ============================================ */
.video-trigger-section {
    margin: var(--spacing-3xl) 0;
    padding: var(--spacing-2xl) var(--spacing-lg);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 768px) {
    :root {
        --spacing-3xl: 4rem;
        --spacing-4xl: 5rem;
    }
    
    .brand-logo {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .brand-divider {
        display: none;
    }
    
    /* Cards centered on mobile */
    .service-card {
        width: 100%;
        max-width: 100%;
        margin-left: auto !important;
        margin-right: auto !important;
    }
    
    .service-grid {
        gap: var(--spacing-2xl);
        padding: 0 var(--spacing-md);
    }
    
    /* Animations from bottom only on mobile */
    .animate-from-left,
    .animate-from-right {
        transform: translateY(60px);
    }
    
    .line-cta-btn {
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .line-cta-text {
        font-size: 1.25rem;
    }
    
    .profile-header {
        flex-direction: column;
        text-align: center;
    }
    
    .profile-info {
        text-align: center;
    }
    
    /* Parallax text smaller on mobile */
    .parallax-text {
        font-size: clamp(2rem, 9vw, 3.5rem) !important;
    }
    
    .parallax-text.active {
        opacity: 0.12;
    }
    
    .brand-aix {
        font-size: clamp(1rem, 3.5vw, 1.25rem);
    }
    
    .brand-aix-desc {
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-3xl: 3rem;
    }
    
    .logo-main {
        font-size: 2rem;
        letter-spacing: 0.2em;
    }
    
    .logo-sub {
        font-size: 0.9375rem;
        letter-spacing: 0.15em;
    }
    
    .brand-name {
        font-size: 1.75rem;
    }
    
    .parallax-text {
        font-size: clamp(1.5rem, 7vw, 2.5rem) !important;
    }
    
    .parallax-text.active {
        opacity: 0.1;
    }
}

/* ============================================
   Smooth Scroll Behavior
   ============================================ */
html {
    scroll-behavior: smooth;
}

/* ============================================
   Selection Style
   ============================================ */
::selection {
    background: var(--color-gray-900);
    color: var(--color-white);
}