/* ===========================================
   AKANUKELAB - Modern Dark Design System
   Minimal, Clean, Futuristic
   Black Background + Blue Accent + White Text
   =========================================== */

/* CSS Custom Properties */
:root {
    /* Colors - Dark Palette */
    --color-black: #000000;
    --color-gray-900: #0a0a0a;
    --color-gray-800: #111111;
    --color-gray-700: #1a1a1a;
    --color-gray-600: #252525;
    --color-gray-500: #404040;
    --color-gray-400: #6b6b6b;
    --color-gray-300: #8a8a8a;
    --color-gray-200: #b0b0b0;
    --color-gray-100: #d0d0d0;
    --color-white: #ffffff;
    
    /* Accent Colors - Electric Blue */
    --color-blue: #00a8ff;
    --color-blue-hover: #33bbff;
    --color-blue-light: #66ccff;
    --color-blue-dark: #0088cc;
    --color-blue-glow: rgba(0, 168, 255, 0.4);
    
    /* Semantic Colors - Dark Theme */
    --color-text: var(--color-white);
    --color-text-secondary: var(--color-gray-200);
    --color-text-tertiary: var(--color-gray-300);
    --color-bg: var(--color-black);
    --color-bg-secondary: var(--color-gray-800);
    --color-bg-tertiary: var(--color-gray-700);
    --color-border: var(--color-gray-600);
    
    /* Typography - SF Pro inspired (Mobile First) */
    --font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', 'Noto Sans JP', sans-serif;
    
    --font-size-display: clamp(1.75rem, 6vw, 4rem);
    --font-size-headline: clamp(1.5rem, 4vw, 3rem);
    --font-size-title: clamp(1.25rem, 3vw, 2rem);
    --font-size-body-large: clamp(1rem, 2.5vw, 1.25rem);
    --font-size-body: clamp(0.9375rem, 2vw, 1.0625rem);
    --font-size-body-small: clamp(0.8125rem, 1.8vw, 0.875rem);
    --font-size-caption: 0.75rem;
    
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    --line-height-tight: 1.1;
    --line-height-snug: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;
    
    --letter-spacing-tight: -0.022em;
    --letter-spacing-normal: 0;
    --letter-spacing-wide: 0.012em;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    --space-4xl: 8rem;
    --space-5xl: 12rem;
    
    /* Layout */
    --container-max: 980px;
    --container-wide: 1200px;
    --container-narrow: 680px;
    --nav-height: 48px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows - Subtle */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    
    /* Transitions - Smooth */
    --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --ease-out-expo: cubic-bezier(0.19, 1, 0.22, 1);
    --transition-fast: 0.2s var(--ease-out);
    --transition-normal: 0.4s var(--ease-out-expo);
    --transition-slow: 0.6s var(--ease-out-expo);
    
    /* Z-index */
    --z-nav: 1000;
    --z-modal: 2000;
}

/* ===========================================
   RESET & BASE
   =========================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-normal);
    color: var(--color-text);
    background: var(--color-bg);
    letter-spacing: var(--letter-spacing-normal);
}

/* Selection */
::selection {
    background: var(--color-blue);
    color: var(--color-white);
}

/* Focus */
:focus {
    outline: none;
}

:focus-visible {
    outline: 2px solid var(--color-blue);
    outline-offset: 4px;
    border-radius: var(--radius-sm);
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-black);
    color: var(--color-white);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-body-small);
    z-index: var(--z-modal);
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--space-sm);
}

/* Screen Reader Only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* External Link Indicator */
a[target="_blank"]::after {
    content: '';
    display: inline-block;
    width: 0.8em;
    height: 0.8em;
    margin-left: 0.25em;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cpath d='M18 13v6a2 2 0 01-2 2H5a2 2 0 01-2-2V8a2 2 0 012-2h6M15 3h6v6M10 14L21 3'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
    opacity: 0.6;
    vertical-align: middle;
}

/* Buttons should not show external icon */
.btn[target="_blank"]::after,
.nav-cta[target="_blank"]::after,
.fixed-cta-btn[target="_blank"]::after,
.expert-card[target="_blank"]::after {
    display: none;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --color-blue: #0099ff;
        --color-border: #666666;
    }
    
    .btn-primary,
    .btn-premium {
        border: 2px solid currentColor;
    }
}

/* ===========================================
   TYPOGRAPHY
   =========================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--letter-spacing-tight);
    line-height: var(--line-height-tight);
}

.display {
    font-size: var(--font-size-display);
    font-weight: var(--font-weight-bold);
}

.headline {
    font-size: var(--font-size-headline);
    font-weight: var(--font-weight-semibold);
}

.title {
    font-size: var(--font-size-title);
    font-weight: var(--font-weight-semibold);
}

p {
    margin-bottom: var(--space-md);
}

a {
    color: var(--color-blue);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-blue-hover);
}

/* ===========================================
   LAYOUT
   =========================================== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-sm);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-lg);
    }
}

.container-wide {
    max-width: var(--container-wide);
}

.container-narrow {
    max-width: var(--container-narrow);
}

/* Utility */
.text-center { text-align: center; }
.text-secondary { color: var(--color-text-secondary); }
.text-tertiary { color: var(--color-text-tertiary); }
.text-blue { color: var(--color-blue); }

/* Responsive display utilities */
.sp-only { display: block; }
.pc-only { display: none; }
.sp-br { display: block; }
.pc-br { display: none; }

/* Word break for mobile */
.word-break {
    word-break: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
}

@media (min-width: 768px) {
    .sp-only { display: none; }
    .pc-only { display: block; }
    .sp-br { display: inline; }
    .pc-br { display: block; }
}

/* Prevent orphans on mobile */
@media (max-width: 767px) {
    h1, h2, h3, .hero-title, .section-title, .cta-title {
        word-break: keep-all;
        overflow-wrap: normal;
        hyphens: none;
    }
    
    /* Mobile font size adjustments */
    p, li {
        font-size: var(--font-size-body);
        line-height: var(--line-height-relaxed);
    }
    
    /* Prevent text overflow */
    .container {
        padding: 0 var(--space-sm);
    }
}

/* ===========================================
   HEADER & NAVIGATION
   =========================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    z-index: 10003; /* Above mobile menu and loading overlay */
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    max-width: var(--container-wide);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.logo {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
    letter-spacing: -0.01em;
    transition: opacity var(--transition-fast);
}

.logo:hover {
    opacity: 0.7;
    color: var(--color-white);
}

.nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.hamburger {
    width: 18px;
    height: 2px;
    background: var(--color-white);
    position: relative;
    transition: background var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 2px;
    background: var(--color-white);
    transition: transform var(--transition-fast);
}

.hamburger::before { top: -6px; }
.hamburger::after { top: 6px; }

.nav-toggle[aria-expanded="true"] .hamburger {
    background: transparent;
}

.nav-toggle[aria-expanded="true"] .hamburger::before {
    transform: rotate(45deg) translate(4px, 4px);
}

.nav-toggle[aria-expanded="true"] .hamburger::after {
    transform: rotate(-45deg) translate(4px, -4px);
}

/* Navigation Menu - Base styles for all screens */
.nav-menu {
    list-style: none;
    margin: 0;
    padding: 0;
}

/* Mobile Full-Screen Navigation (max-width: 1023px) */
@media (max-width: 1023px) {
    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        height: 100vh;
        height: 100dvh;
        background: linear-gradient(180deg, #000000 0%, #001428 50%, #000a14 100%);
        padding: 60px 20px 20px;
        transform: translateX(100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        z-index: 10002;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 4px;
        box-sizing: border-box;
    }
    
    .nav-menu.active {
        transform: translateX(0);
        opacity: 1;
        visibility: visible;
    }
}

/* Close button wrapper - hidden on desktop */
.nav-close-wrapper {
    display: none;
}

/* Close button - base styles */
.nav-close {
    display: none;
}

/* Navigation menu item base styles */
.nav-menu li {
    list-style: none;
}

.nav-menu a {
    color: var(--color-white);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--color-blue);
}

.nav-menu .nav-cta {
    display: inline-block;
    background: var(--color-blue);
    color: var(--color-white) !important;
    border-radius: var(--radius-full);
    border: none;
    font-weight: var(--font-weight-medium);
}

.nav-menu .nav-cta:hover {
    background: var(--color-blue-hover);
}

/* Mobile-only styles */
@media (max-width: 1023px) {
    /* Close button wrapper - show in mobile menu */
    .nav-close-wrapper {
        display: block;
        width: 100%;
        text-align: right;
        padding: 0 0 16px 0;
        margin-bottom: 8px;
        border-bottom: none;
    }
    
    /* Close button */
    .nav-close {
        display: inline-flex;
        width: 44px;
        height: 44px;
        background: rgba(255, 255, 255, 0.1);
        border: 2px solid rgba(255, 255, 255, 0.3);
        border-radius: 50%;
        cursor: pointer;
        align-items: center;
        justify-content: center;
        transition: all var(--transition-fast);
        pointer-events: auto;
        -webkit-tap-highlight-color: transparent;
        touch-action: manipulation;
        position: relative;
    }

    .nav-close:hover {
        border-color: var(--color-blue);
        background: rgba(0, 168, 255, 0.1);
    }

    .nav-close::before,
    .nav-close::after {
        content: '';
        position: absolute;
        width: 20px;
        height: 2px;
        background: var(--color-white);
        transition: background var(--transition-fast);
        pointer-events: none;
    }

    .nav-close::before {
        transform: rotate(45deg);
    }

    .nav-close::after {
        transform: rotate(-45deg);
    }

    .nav-close:hover::before,
    .nav-close:hover::after {
        background: var(--color-blue);
    }

    .nav-menu li {
        width: 100%;
        max-width: 250px;
        text-align: center;
        margin: 0;
        padding: 0;
    }

    .nav-menu > li {
        margin-bottom: 0;
        border-bottom: none;
    }

    .nav-menu > li:last-child {
        border-bottom: none;
        margin-top: 8px;
    }

    .nav-menu a {
        display: block;
        padding: 10px 16px;
        font-size: 1rem;
        font-weight: var(--font-weight-medium);
        border-bottom: none;
        position: relative;
    }

    .nav-menu li a::before {
        display: none;
    }

    .nav-menu .nav-cta {
        margin-top: 8px;
        padding: 12px 32px;
        font-size: 1rem;
        box-shadow: 0 0 20px rgba(0, 168, 255, 0.3);
    }
    
    .nav-menu .nav-cta::before {
        display: none;
    }

    .nav-menu .nav-cta:hover {
        box-shadow: 0 0 30px rgba(0, 168, 255, 0.5);
    }
}

/* Small screens adjustments */
@media (max-width: 1023px) and (max-height: 700px) {
    .nav-menu {
        padding: 50px 16px 16px;
        gap: 2px;
    }
    
    .nav-menu a {
        padding: 8px 12px;
        font-size: 0.9375rem;
    }
    
    .nav-menu .nav-cta {
        padding: 10px 24px;
        font-size: 0.9375rem;
        margin-top: 6px;
    }
}

/* Very small screens */
@media (max-width: 1023px) and (max-height: 600px) {
    .nav-menu {
        padding: 44px 12px 12px;
        gap: 0;
    }
    
    .nav-menu a {
        padding: 6px 10px;
        font-size: 0.875rem;
    }
    
    .nav-menu .nav-cta {
        padding: 8px 20px;
        font-size: 0.875rem;
        margin-top: 4px;
    }
    
    .nav-close {
        top: 8px;
        right: 12px;
        width: 36px;
        height: 36px;
    }
    
    .nav-close::before,
    .nav-close::after {
        width: 16px;
    }
}

/* Desktop Navigation */
@media (min-width: 1024px) {
    .nav-toggle {
        display: none;
    }
    
    .nav-close {
        display: none !important;
    }
    
    .nav-menu {
        position: static;
        display: flex;
        flex-direction: row;
        align-items: center;
        gap: var(--space-md);
        padding: 0;
        background: transparent;
        transform: none;
        opacity: 1;
        visibility: visible;
        z-index: auto;
        height: auto;
        width: auto;
        overflow: visible;
    }
    
    .nav-menu li,
    .nav-menu > li {
        margin: 0;
        border-bottom: none;
        width: auto;
        max-width: none;
        text-align: left;
    }
    
    .nav-menu > li:last-child {
        margin-top: 0;
    }
    
    .nav-menu a {
        display: inline-block;
        padding: var(--space-xs) 0;
        font-size: var(--font-size-body-small);
        border: none;
        white-space: nowrap;
    }
    
    .nav-menu li a::before {
        display: none;
    }
    
    .nav-menu .nav-cta {
        margin: 0;
        padding: var(--space-xs) var(--space-md);
        font-size: var(--font-size-body-small);
        box-shadow: none;
    }
    
    .nav-menu .nav-cta:hover {
        box-shadow: none;
    }
}

/* ===========================================
   BUTTONS
   =========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-lg);
    font-family: var(--font-family);
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-medium);
    line-height: 1;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-primary {
    background: var(--color-blue);
    color: var(--color-white);
}

.btn-primary:hover {
    background: var(--color-blue-hover);
    color: var(--color-white);
    transform: scale(1.02);
}

.btn-secondary {
    background: var(--color-black);
    color: var(--color-white);
}

.btn-secondary:hover {
    background: var(--color-gray-800);
    color: var(--color-white);
}

.btn-outline {
    background: transparent;
    color: var(--color-blue);
    box-shadow: inset 0 0 0 1px var(--color-blue);
}

.btn-outline:hover {
    background: var(--color-blue);
    color: var(--color-white);
}

.btn-text {
    background: transparent;
    color: var(--color-blue);
    padding: var(--space-xs) 0;
}

.btn-text::after {
    content: '›';
    margin-left: 4px;
    transition: transform var(--transition-fast);
}

.btn-text:hover::after {
    transform: translateX(4px);
}

.btn-large {
    padding: var(--space-md) var(--space-xl);
    font-size: var(--font-size-body-large);
}

/* ===========================================
   SECTIONS
   =========================================== */
section {
    padding: var(--space-2xl) 0;
}

@media (min-width: 768px) {
    section {
        padding: var(--space-4xl) 0;
    }
}

.section-eyebrow {
    display: block;
    font-size: var(--font-size-body-small);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-sm);
}

.section-title {
    font-size: var(--font-size-headline);
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--letter-spacing-tight);
    line-height: var(--line-height-tight);
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: var(--font-size-body-large);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
}

/* All sections are dark by default now */
.section-dark {
    background: var(--color-black);
    color: var(--color-white);
}

.section-dark .section-title,
.section-dark h2, .section-dark h3 {
    color: var(--color-white);
}

.section-dark .text-secondary {
    color: var(--color-gray-300);
}

/* Alternate dark section */
.section-gray {
    background: var(--color-bg-secondary);
}

/* Dark CTA Section */
.section-cta-light {
    background: linear-gradient(180deg, #0a0a0a 0%, #111111 100%);
    padding: var(--space-4xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.section-cta-light .cta-title {
    font-size: var(--font-size-headline);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-snug);
    margin-bottom: var(--space-lg);
    color: var(--color-white);
}

.section-cta-light .cta-text {
    font-size: var(--font-size-body-large);
    color: var(--color-gray-300);
    margin-bottom: var(--space-xl);
}

.text-blue {
    color: var(--color-blue);
}

/* Dark Page Header */
.page-header-light {
    background: linear-gradient(180deg, #000000 0%, #0a0a0a 100%);
    padding: calc(var(--nav-height) + var(--space-3xl)) 0 var(--space-3xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header-light .page-title {
    font-size: var(--font-size-headline);
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
    margin-bottom: var(--space-sm);
}

.page-header-light .page-subtitle {
    font-size: var(--font-size-body-large);
    color: var(--color-gray-300);
}

/* ===========================================
   EXPERT PARTNERSHIP SECTION
   =========================================== */

/* Expert Banner */
.expert-banner {
    background: linear-gradient(135deg, var(--color-blue) 0%, #5856d6 100%);
    padding: var(--space-lg) 0;
    text-align: center;
}

.expert-banner-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.expert-banner-icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: #fff;
}

.expert-banner-text {
    color: #fff;
    font-size: var(--font-size-body-large);
    margin: 0;
}

.expert-banner-text strong {
    font-weight: 700;
}

/* Experts Section */
.experts-section {
    padding: var(--space-4xl) 0;
    background: var(--color-bg);
}

.experts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-2xl);
}

/* Expert Card */
.expert-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-xl);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    text-decoration: none;
    color: var(--color-text);
    position: relative;
    transition: all 0.4s cubic-bezier(0.19, 1, 0.22, 1);
}

.expert-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 168, 255, 0.2);
    border-color: var(--color-blue);
}

.expert-card-featured {
    background: linear-gradient(135deg, rgba(0, 168, 255, 0.1) 0%, var(--color-bg-secondary) 100%);
    border: 2px solid var(--color-blue);
}

/* Expert Badge */
.expert-badge {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    padding: 4px 12px;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    background: var(--color-blue);
    color: #fff;
}

.expert-badge-medical {
    background: linear-gradient(135deg, #00c853 0%, #00a844 100%);
}

.expert-badge-specialist {
    background: linear-gradient(135deg, #ff9500 0%, #ff7b00 100%);
}

/* Expert Avatar */
.expert-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-blue) 0%, #5856d6 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #fff;
    margin-bottom: var(--space-md);
    transition: transform 0.4s ease;
}

.expert-card:hover .expert-avatar {
    transform: scale(1.1);
}

.expert-avatar-medical {
    background: linear-gradient(135deg, #00c853 0%, #00a844 100%);
}

.expert-avatar-specialist {
    background: linear-gradient(135deg, #ff9500 0%, #ff7b00 100%);
}

/* Expert Info */
.expert-info {
    flex: 1;
}

.expert-name {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--color-white);
}

.expert-role {
    font-size: var(--font-size-body-small);
    color: var(--color-gray-300);
    margin-bottom: 4px;
}

.expert-specialty {
    font-size: 0.75rem;
    color: var(--color-blue);
    font-weight: 500;
    margin: 0;
}

/* Expert Link Icon */
.expert-link-icon {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    color: var(--color-gray-500);
    font-size: 0.875rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.expert-card:hover .expert-link-icon {
    opacity: 1;
    color: var(--color-blue);
}

/* Trust Message */
.expert-trust-message {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    margin-top: var(--space-2xl);
    padding: var(--space-lg);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.trust-icon {
    width: 48px;
    height: 48px;
    background: var(--color-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.expert-trust-message p {
    margin: 0;
    font-size: var(--font-size-body);
    color: var(--color-gray-200);
    text-align: left;
}

.expert-trust-message strong {
    color: var(--color-blue);
}

/* Responsive */
@media (max-width: 768px) {
    .expert-banner-content {
        flex-direction: column;
        text-align: center;
    }
    
    .expert-banner-text {
        font-size: var(--font-size-body);
    }
    
    .experts-grid {
        grid-template-columns: 1fr;
    }
    
    .expert-trust-message {
        flex-direction: column;
        text-align: center;
    }
    
    .expert-trust-message p {
        text-align: center;
    }
}

/* ===========================================
   HERO SECTION - Premium Dark Experience
   =========================================== */
.hero {
    padding-top: calc(var(--nav-height) + var(--space-4xl));
    padding-bottom: var(--space-4xl);
    text-align: center;
    background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg) 100%);
    overflow: hidden;
}

/* Premium Hero - Dark Immersive */
.hero.hero-premium {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #0d0d1a 100%);
    color: #fff;
    position: relative;
}

.hero-premium::before {
    display: none;
}

/* ========== LIGHT THEME HERO ========== */
.hero.hero-light {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, #ffffff 0%, #f5f5f7 100%);
    color: var(--color-text);
    position: relative;
    overflow: hidden;
}

.hero-light::before {
    display: none;
}

/* Light Theme Floating Orbs - Hidden */
.floating-orbs-light,
.orb-light,
.orb-light-1,
.orb-light-2,
.orb-light-3 {
    display: none;
}

@keyframes floatLight {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(40px, -40px) scale(1.05);
    }
    50% {
        transform: translate(-30px, 30px) scale(0.95);
    }
    75% {
        transform: translate(-40px, -30px) scale(1.02);
    }
}

/* Light Hero Text Styles */
.hero-light .hero-eyebrow {
    background: var(--color-blue);
    color: #fff;
    border: none;
}

.hero-light .hero-title {
    background: linear-gradient(180deg, var(--color-black) 0%, var(--color-gray-700) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-light .hero-title .gradient-text {
    background: linear-gradient(
        135deg,
        #0071e3 0%,
        #0077ed 50%,
        #0071e3 100%
    );
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: blueGradientShift 4s ease infinite;
}

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

.hero-light .hero-description {
    color: var(--color-text-secondary);
}

.hero-light .hero-description strong {
    color: var(--color-blue);
    font-weight: 600;
}

.hero-light .glow-text {
    color: var(--color-text);
    text-shadow: none;
    position: relative;
}

.hero-light .glow-text::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-blue), #5856d6);
    border-radius: 2px;
}

.hero-light .hero-cta {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
}

.hero-light .hero-note {
    color: var(--color-text-tertiary);
}

/* Light Hero Stats */
.hero-light .hero-stats {
    border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.hero-light .hero-stat-label {
    color: var(--color-text-secondary);
}

/* Light Hero Responsive */
@media (max-width: 768px) {
    .hero-light {
        padding-top: calc(var(--nav-height) + var(--space-2xl));
        padding-bottom: var(--space-2xl);
        min-height: auto;
    }
    
    .hero-light .hero-cta {
        flex-direction: column;
    }
    
    .orb-light-1 {
        width: 250px;
        height: 250px;
    }
    
    .orb-light-2 {
        width: 200px;
        height: 200px;
    }
    
    .orb-light-3 {
        width: 150px;
        height: 150px;
    }
}

.hero-eyebrow {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: var(--color-black);
    color: var(--color-white);
    font-size: var(--font-size-body-small);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-lg);
}

.hero-premium .hero-eyebrow {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: var(--font-size-display);
    font-weight: var(--font-weight-bold);
    letter-spacing: var(--letter-spacing-tight);
    line-height: var(--line-height-tight);
    margin-bottom: var(--space-lg);
    background: linear-gradient(180deg, var(--color-black) 0%, var(--color-gray-700) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-premium .hero-title {
    background: linear-gradient(180deg, #fff 0%, rgba(255,255,255,0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title .highlight,
.hero-title .gradient-text {
    background: linear-gradient(
        135deg,
        #0071e3 0%,
        #5856d6 25%,
        #ff2d55 50%,
        #ff9500 75%,
        #0071e3 100%
    );
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 8s ease infinite;
}

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

.hero-description {
    font-size: var(--font-size-body-large);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto var(--space-xl);
    line-height: var(--line-height-relaxed);
}

.hero-premium .hero-description {
    color: rgba(255, 255, 255, 0.7);
}

.hero-premium .hero-description strong {
    color: #fff;
    font-weight: 600;
}

.hero-premium .glow-text {
    color: #fff;
    text-shadow: 
        0 0 20px rgba(0, 113, 227, 0.6),
        0 0 40px rgba(0, 113, 227, 0.4),
        0 0 60px rgba(88, 86, 214, 0.3);
}

.hero-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
}

.hero-premium .hero-cta {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
}

.hero-note {
    font-size: var(--font-size-body-small);
    color: var(--color-text-tertiary);
    margin-top: var(--space-md);
}

.hero-premium .hero-note {
    color: rgba(255, 255, 255, 0.5);
}

/* Hero Stats Ticker */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-2xl);
    margin-top: var(--space-3xl);
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-stat {
    text-align: center;
}

.hero-stat .counter-number {
    display: block;
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    background: linear-gradient(135deg, #0071e3, #5856d6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.hero-stat-label {
    display: block;
    font-size: var(--font-size-body-small);
    color: rgba(255, 255, 255, 0.5);
    margin-top: var(--space-xs);
}

/* Legacy Hero Visual */
.hero-visual {
    margin-top: var(--space-3xl);
    position: relative;
}

.hero-graphic {
    width: 100%;
    max-width: 600px;
    height: 300px;
    margin: 0 auto;
    position: relative;
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    animation: floatOrb 8s ease-in-out infinite;
}

.hero-orb-1 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, rgba(0, 113, 227, 0.4) 0%, rgba(88, 86, 214, 0.4) 100%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.hero-orb-2 {
    width: 200px;
    height: 200px;
    background: rgba(88, 86, 214, 0.3);
    top: 20%;
    left: 20%;
    animation-delay: -2s;
}

.hero-orb-3 {
    width: 150px;
    height: 150px;
    background: rgba(0, 113, 227, 0.3);
    bottom: 20%;
    right: 20%;
    animation-delay: -4s;
}

@keyframes floatOrb {
    0%, 100% { transform: translate(-50%, -50%) translateY(0); }
    50% { transform: translate(-50%, -50%) translateY(-20px); }
}

/* Responsive Hero */
@media (max-width: 768px) {
    .hero-premium {
        padding-top: calc(var(--nav-height) + var(--space-2xl));
        padding-bottom: var(--space-2xl);
        min-height: auto;
    }
    
    .hero-premium .hero-cta {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--space-lg);
    }
}

/* ===========================================
   QUOTE / MESSAGE
   =========================================== */
.quote-section {
    padding: var(--space-3xl) 0;
    background: var(--color-black);
    color: var(--color-white);
}

.quote-text {
    font-size: var(--font-size-title);
    font-weight: var(--font-weight-medium);
    line-height: var(--line-height-snug);
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-md);
}

.quote-author {
    font-size: var(--font-size-body-small);
    color: var(--color-gray-500);
    text-align: center;
}

/* ===========================================
   PROBLEMS / FEATURES GRID
   =========================================== */
.problems-grid {
    display: grid;
    gap: var(--space-sm);
}

.problem-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: all var(--transition-normal);
}

.problem-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.problem-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-blue) 0%, #5856d6 100%);
    color: var(--color-white);
    border-radius: var(--radius-md);
    font-size: 1.25rem;
}

.problem-content h3 {
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-xs);
}

.problem-content p {
    font-size: var(--font-size-body-small);
    color: var(--color-text-secondary);
    margin: 0;
}

@media (min-width: 768px) {
    .problems-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===========================================
   SOLUTION CARDS
   =========================================== */
.solution-grid {
    display: grid;
    gap: var(--space-md);
}

.solution-card {
    text-align: center;
    padding: var(--space-xl);
    background: var(--color-bg);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    transition: all var(--transition-normal);
}

.solution-card:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.solution-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-md);
    background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-white) 100%);
    border-radius: var(--radius-lg);
    font-size: 1.5rem;
    color: var(--color-blue);
}

.solution-card h3 {
    font-size: var(--font-size-body-large);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-sm);
}

.solution-card p {
    font-size: var(--font-size-body-small);
    color: var(--color-text-secondary);
    margin: 0;
}

@media (min-width: 768px) {
    .solution-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .solution-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ===========================================
   PRICING
   =========================================== */
.pricing-display {
    text-align: center;
    padding: var(--space-3xl);
    background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg) 100%);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-2xl);
}

.price-label {
    font-size: var(--font-size-body);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
}

.price-amount {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--space-xs);
}

.price-currency {
    font-size: var(--font-size-title);
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
}

.price-number {
    font-size: clamp(3rem, 10vw, 6rem);
    font-weight: var(--font-weight-bold);
    letter-spacing: var(--letter-spacing-tight);
    background: linear-gradient(180deg, #ffffff 0%, var(--color-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-unit {
    font-size: var(--font-size-body-large);
    color: var(--color-text-secondary);
}

.price-tax {
    font-size: var(--font-size-body-small);
    color: var(--color-text-tertiary);
    margin-top: var(--space-sm);
}

.price-subtitle {
    margin-top: var(--space-md);
    font-size: var(--font-size-body);
    color: var(--color-blue);
    font-weight: var(--font-weight-medium);
}

/* ===========================================
   RESULTS / TESTIMONIALS
   =========================================== */
/* ===========================================
   VOICES BEFORE/AFTER CARDS
   =========================================== */
.voices-ba-grid {
    display: grid;
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.voice-ba-card {
    background: var(--color-bg-secondary);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    border: 2px solid var(--color-border);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.voice-ba-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-blue) 0%, #0066cc 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.voice-ba-card:hover {
    border-color: rgba(0, 168, 255, 0.5);
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(0, 168, 255, 0.15);
}

.voice-ba-card:hover::before {
    opacity: 1;
}

.voice-ba-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.voice-ba-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-blue) 0%, #0066cc 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 1.5rem;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(0, 168, 255, 0.3);
}

.voice-ba-name {
    font-size: var(--font-size-body-large);
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
}

.voice-ba-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.voice-ba-before,
.voice-ba-after {
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    position: relative;
}

.voice-ba-before {
    background: var(--color-bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.voice-ba-after {
    background: linear-gradient(135deg, rgba(0, 168, 255, 0.2) 0%, rgba(0, 102, 204, 0.15) 100%);
    border: 2px solid rgba(0, 168, 255, 0.4);
    box-shadow: 0 4px 16px rgba(0, 168, 255, 0.1);
}

.voice-ba-label {
    display: inline-block;
    padding: 4px 12px;
    font-size: var(--font-size-caption);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-sm);
}

.voice-ba-before .voice-ba-label {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-gray-400);
}

.voice-ba-after .voice-ba-label {
    background: linear-gradient(135deg, var(--color-blue) 0%, #0066cc 100%);
    color: var(--color-white);
    box-shadow: 0 2px 8px rgba(0, 168, 255, 0.3);
}

.voice-ba-before p,
.voice-ba-after p {
    font-size: var(--font-size-body-small);
    line-height: 1.7;
    margin: 0;
    color: var(--color-gray-200);
}

.voice-ba-after p {
    color: var(--color-white);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-body);
}

/* PC: 横スクロールスライダー形式 */
@media (min-width: 768px) {
    .voices-ba-grid {
        display: flex;
        gap: var(--space-lg);
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        padding-bottom: var(--space-md);
        margin: var(--space-xl) calc(-1 * var(--space-md)) 0;
        padding-left: var(--space-md);
        padding-right: var(--space-md);
    }
    
    .voices-ba-grid::-webkit-scrollbar {
        height: 8px;
    }
    
    .voices-ba-grid::-webkit-scrollbar-track {
        background: var(--color-bg-tertiary);
        border-radius: 4px;
    }
    
    .voices-ba-grid::-webkit-scrollbar-thumb {
        background: var(--color-blue);
        border-radius: 4px;
    }
    
    .voices-ba-grid::-webkit-scrollbar-thumb:hover {
        background: var(--color-blue-light);
    }
    
    .voice-ba-card {
        flex: 0 0 350px;
        scroll-snap-align: start;
    }
    
    /* Before/Afterは縦並びのまま維持 */
    .voice-ba-content {
        flex-direction: column;
        gap: var(--space-sm);
    }
}

@media (min-width: 1024px) {
    .voices-ba-grid {
        margin: var(--space-xl) calc(-1 * var(--space-lg)) 0;
        padding-left: var(--space-lg);
        padding-right: var(--space-lg);
    }
    
    .voice-ba-card {
        flex: 0 0 380px;
    }
}

@media (min-width: 1280px) {
    .voice-ba-card {
        flex: 0 0 400px;
    }
}

/* ===========================================
   FAQ
   =========================================== */
.faq-list {
    max-width: var(--container-narrow);
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: var(--space-lg) 0;
    background: transparent;
    border: none;
    font-family: var(--font-family);
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-medium);
    text-align: left;
    color: var(--color-text);
    cursor: pointer;
    list-style: none;
}

.faq-question::-webkit-details-marker {
    display: none;
}

.faq-question span {
    flex: 1;
    padding-right: var(--space-md);
}

.faq-question i {
    font-size: var(--font-size-body-small);
    color: var(--color-text-tertiary);
    transition: transform var(--transition-fast);
}

.faq-item[open] .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding-bottom: var(--space-lg);
    font-size: var(--font-size-body);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

/* ===========================================
   CTA SECTIONS
   =========================================== */
.cta-section {
    text-align: center;
    padding: var(--space-5xl) 0;
}

.cta-title {
    font-size: var(--font-size-headline);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-md);
}

.cta-text {
    font-size: var(--font-size-body-large);
    color: var(--color-text-secondary);
    max-width: 500px;
    margin: 0 auto var(--space-xl);
}

.section-dark .cta-text {
    color: var(--color-gray-400);
}

/* ===========================================
   FIXED CTA (MOBILE)
   =========================================== */
.fixed-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-sm);
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    z-index: var(--z-nav);
}

.fixed-cta-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    width: 100%;
    padding: var(--space-md);
    background: var(--color-blue);
    color: var(--color-white);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.fixed-cta-btn:hover {
    background: var(--color-blue-hover);
    color: var(--color-white);
}

@media (min-width: 1024px) {
    .fixed-cta {
        display: none;
    }
}

/* ===========================================
   FOOTER
   =========================================== */
.footer {
    background: var(--color-bg-secondary);
    padding: var(--space-3xl) 0;
    padding-bottom: calc(var(--space-3xl) + 80px);
}

@media (min-width: 1024px) {
    .footer {
        padding-bottom: var(--space-3xl);
    }
}

.footer-content {
    display: grid;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-logo {
    font-size: var(--font-size-body-large);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
}

.footer-logo:hover {
    color: var(--color-text);
    opacity: 0.7;
}

.footer-tagline {
    font-size: var(--font-size-body-small);
    color: var(--color-text-tertiary);
    margin-top: var(--space-xs);
}

.footer-nav {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.footer-nav-group h3 {
    font-size: var(--font-size-caption);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-sm);
}

.footer-nav-group ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.footer-nav-group a {
    font-size: var(--font-size-body-small);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.footer-nav-group a:hover {
    color: var(--color-text);
}

.footer-bottom {
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
}

.copyright {
    font-size: var(--font-size-body-small);
    color: var(--color-text-tertiary);
    text-align: center;
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr 2fr;
    }
    
    .footer-nav {
        grid-template-columns: repeat(3, 1fr);
        justify-content: end;
    }
}

/* ===========================================
   ANIMATIONS
   =========================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-in {
    animation: fadeInUp 0.8s var(--ease-out-expo) forwards;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* ===========================================
   FUNNEL SECTION - 研究生までの導線
   =========================================== */
.section-funnel {
    padding: var(--space-3xl) 0;
    background: var(--color-bg);
}

.funnel-container {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
}

.funnel-flow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
}

.funnel-step {
    width: 100%;
    max-width: 500px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    position: relative;
    transition: all var(--transition-normal);
}

.funnel-step:hover {
    border-color: var(--color-blue);
    box-shadow: 0 0 30px rgba(0, 168, 255, 0.15);
    transform: translateY(-2px);
}

.funnel-step-main {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.funnel-number {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gray-700);
    color: var(--color-text-secondary);
    font-size: var(--font-size-body-small);
    font-weight: var(--font-weight-semibold);
    border-radius: 50%;
    flex-shrink: 0;
}

.funnel-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gray-700);
    color: var(--color-text-secondary);
    font-size: 1.25rem;
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.funnel-icon-line {
    background: #06C755;
    color: var(--color-white);
}

.funnel-icon-main {
    background: linear-gradient(135deg, var(--color-blue) 0%, var(--color-blue-hover) 100%);
    color: var(--color-white);
}

.funnel-title {
    font-size: var(--font-size-body-large);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin: 0;
}

.funnel-description {
    margin-top: var(--space-sm);
    padding-left: calc(32px + 48px + var(--space-md) * 2);
}

.funnel-description p {
    font-size: var(--font-size-body-small);
    color: var(--color-text-secondary);
    margin: 0;
}

.funnel-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    margin-top: var(--space-sm);
    margin-left: calc(32px + 48px + var(--space-md) * 2);
    padding: var(--space-xs) var(--space-sm);
    background: rgba(0, 168, 255, 0.1);
    color: var(--color-blue);
    font-size: var(--font-size-caption);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-full);
}

.funnel-tag-main {
    background: var(--color-blue);
    color: var(--color-white);
}

/* Highlighted Step (研究生) */
.funnel-step-highlight {
    border-color: var(--color-blue);
    background: linear-gradient(135deg, rgba(0, 168, 255, 0.05) 0%, rgba(0, 168, 255, 0.02) 100%);
}

.funnel-step-highlight .funnel-number {
    background: var(--color-blue);
    color: var(--color-white);
}

/* Arrow between steps */
.funnel-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-500);
    font-size: 1rem;
    height: 24px;
}

/* Cycle indicator */
.funnel-cycle {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: var(--space-lg);
    gap: var(--space-sm);
}

.cycle-line {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-gray-500), transparent);
}

.cycle-label {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--font-size-body-small);
    color: var(--color-text-tertiary);
}

.cycle-label i {
    color: var(--color-blue);
}

/* Vision Statement */
.funnel-vision {
    text-align: center;
    margin-top: var(--space-2xl);
    padding: var(--space-lg);
    background: linear-gradient(135deg, rgba(0, 168, 255, 0.1) 0%, rgba(0, 168, 255, 0.05) 100%);
    border-radius: var(--radius-xl);
    border: 2px solid rgba(0, 168, 255, 0.3);
    box-shadow: 0 8px 32px rgba(0, 168, 255, 0.1);
}

.vision-tagline {
    font-size: clamp(0.875rem, 3vw, 1.125rem);
    font-weight: var(--font-weight-semibold);
    color: var(--color-blue);
    margin-bottom: var(--space-xs);
    font-style: italic;
    letter-spacing: 0.02em;
}

.vision-main {
    font-size: clamp(1.25rem, 5vw, 1.75rem);
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
    margin: 0;
    line-height: var(--line-height-snug);
}

@media (min-width: 768px) {
    .funnel-vision {
        padding: var(--space-xl);
    }
}

/* CTA below funnel */
.funnel-cta {
    text-align: center;
    margin-top: var(--space-2xl);
    padding-top: var(--space-2xl);
    border-top: 1px solid var(--color-border);
}

.funnel-cta-text {
    font-size: var(--font-size-body);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

/* Responsive */
@media (max-width: 640px) {
    .funnel-step {
        padding: var(--space-md);
    }
    
    .funnel-step-main {
        gap: var(--space-sm);
    }
    
    .funnel-number {
        width: 28px;
        height: 28px;
        font-size: var(--font-size-caption);
    }
    
    .funnel-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .funnel-title {
        font-size: var(--font-size-body);
    }
    
    .funnel-description {
        padding-left: calc(28px + 40px + var(--space-sm) * 2);
    }
    
    .funnel-tag {
        margin-left: calc(28px + 40px + var(--space-sm) * 2);
    }
}

/* ===========================================
   PRINT
   =========================================== */
@media print {
    .header, .fixed-cta, .nav-toggle {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
    }
    
    .hero {
        padding-top: 0;
    }
}
