/* ========================================
   Blue Earth Alliance - Fancy Edition
   Modern, Elegant, Premium Design
   ======================================== */

/* CSS Variables */
:root {
    /* Colors - Sophisticated palette */
    --primary: #0a5e7c;
    --primary-light: #1a8ab5;
    --primary-dark: #043d52;
    --secondary: #2d6a4f;
    --secondary-light: #40916c;
    --accent: #d4a373;
    --accent-light: #e9c46a;

    /* Neutrals */
    --white: #ffffff;
    --off-white: #fafbfc;
    --light-gray: #f0f2f5;
    --mid-gray: #94a3b8;
    --dark-gray: #475569;
    --charcoal: #1e293b;
    --black: #0f172a;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    --gradient-hero: linear-gradient(135deg, #f8faf7 0%, #e8f4ec 50%, #f0f7fa 100%);
    --gradient-dark: linear-gradient(135deg, var(--charcoal) 0%, var(--black) 100%);

    /* Typography */
    --font-display: 'Cormorant Garamond', 'Noto Serif JP', serif;
    --font-heading: 'Noto Serif JP', serif;
    --font-body: 'Noto Sans JP', sans-serif;

    /* Spacing */
    --section-padding: 160px 0;
    --container-width: 1200px;

    /* Effects */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 40px;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.12);
    --shadow-glow: 0 0 60px rgba(10, 94, 124, 0.15);

    /* Transitions */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
    --transition-fast: 0.2s var(--ease-out-quart);
    --transition-medium: 0.4s var(--ease-out-expo);
    --transition-slow: 0.8s var(--ease-out-expo);
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.8;
    color: var(--charcoal);
    background-color: var(--off-white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Custom Cursor */
.cursor, .cursor-follower {
    display: none;
}

@media (hover: hover) and (pointer: fine) {
    .cursor {
        display: block;
        position: fixed;
        width: 8px;
        height: 8px;
        background: var(--primary);
        border-radius: 50%;
        pointer-events: none;
        z-index: 10000;
        transform: translate(-50%, -50%);
        transition: transform 0.1s ease, width 0.3s ease, height 0.3s ease, background 0.3s ease;
    }

    .cursor-follower {
        display: block;
        position: fixed;
        width: 40px;
        height: 40px;
        border: 1px solid var(--primary);
        border-radius: 50%;
        pointer-events: none;
        z-index: 9999;
        transform: translate(-50%, -50%);
        transition: transform 0.15s ease, width 0.3s ease, height 0.3s ease, border 0.3s ease;
        opacity: 0.5;
    }

    body:hover .cursor-follower {
        opacity: 1;
    }
}

/* Progress Bar */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--gradient-primary);
    z-index: 10001;
    transition: width 0.1s linear;
}

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

/* Links */
a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

/* Images */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Container */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 40px;
}

/* ========================================
   Header
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: all var(--transition-medium);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    padding: 12px 0;
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 60px;
    transition: transform var(--transition-fast);
}

.logo:hover img {
    transform: scale(1.05);
}

.nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 40px;
    list-style: none;
}

.nav-list a {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--charcoal);
    position: relative;
    padding: 8px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.nav-jp {
    display: block;
    font-size: 0.65rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    color: var(--mid-gray);
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--primary);
    transition: width var(--transition-medium);
}

.nav-list a:hover::after {
    width: 100%;
}

.nav-list .btn-contact {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 12px 28px;
    border-radius: 100px;
    font-weight: 500;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 8px;
}

.nav-list .btn-contact svg {
    flex-shrink: 0;
}

.nav-list .btn-contact::after {
    display: none;
}

.nav-list .btn-contact:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--charcoal);
    transition: all var(--transition-fast);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
    padding: 120px 40px 80px;
}

.hero-bg-shapes {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.5;
}

.shape-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(10, 94, 124, 0.08) 0%, transparent 70%);
    top: -200px;
    right: -100px;
    animation: float 20s ease-in-out infinite;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(45, 106, 79, 0.08) 0%, transparent 70%);
    bottom: -100px;
    left: -100px;
    animation: float 15s ease-in-out infinite reverse;
}

.shape-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(212, 163, 115, 0.1) 0%, transparent 70%);
    top: 40%;
    left: 30%;
    animation: float 18s ease-in-out infinite 2s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

.hero-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 80px;
    max-width: 1300px;
    width: 100%;
    z-index: 1;
}

.hero-illustration {
    flex: 0 0 45%;
    max-width: 520px;
}

.hero-illustration img {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 30px 60px rgba(10, 94, 124, 0.15));
    animation: heroImageFloat 6s ease-in-out infinite;
}

@keyframes heroImageFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.hero-content {
    flex: 0 0 50%;
}

.hero-eyecatch {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.eyecatch-line {
    width: 40px;
    height: 1px;
    background: var(--primary);
}

.eyecatch-text {
    font-family: var(--font-display);
    font-size: 0.9rem;
    letter-spacing: 0.2em;
    color: var(--primary);
    text-transform: uppercase;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 600;
    line-height: 1.6;
    color: var(--primary);
    margin-bottom: 24px;
}

.title-line {
    display: block;
}

.char {
    display: inline-block;
    opacity: 0;
    transform: translateY(20px);
    animation: charReveal 0.6s var(--ease-out-expo) forwards;
}

.char-accent {
    display: inline-block;
    color: var(--secondary);
    opacity: 0;
    transform: translateY(20px);
    animation: charReveal 0.6s var(--ease-out-expo) forwards;
}

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

/* Stagger animation delays - Line 1 (一着の服から、) */
.title-line:nth-child(1) .char:nth-child(1),
.title-line:nth-child(1) .char-accent:nth-child(1) { animation-delay: 0.1s; }
.title-line:nth-child(1) .char:nth-child(2),
.title-line:nth-child(1) .char-accent:nth-child(2) { animation-delay: 0.15s; }
.title-line:nth-child(1) .char:nth-child(3),
.title-line:nth-child(1) .char-accent:nth-child(3) { animation-delay: 0.2s; }
.title-line:nth-child(1) .char:nth-child(4),
.title-line:nth-child(1) .char-accent:nth-child(4) { animation-delay: 0.25s; }
.title-line:nth-child(1) .char:nth-child(5),
.title-line:nth-child(1) .char-accent:nth-child(5) { animation-delay: 0.3s; }
.title-line:nth-child(1) .char:nth-child(6),
.title-line:nth-child(1) .char-accent:nth-child(6) { animation-delay: 0.35s; }
.title-line:nth-child(1) .char:nth-child(7),
.title-line:nth-child(1) .char-accent:nth-child(7) { animation-delay: 0.4s; }

/* Stagger animation delays - Line 2 (地域の「土」と「未来」を) */
.title-line:nth-child(2) .char:nth-child(1),
.title-line:nth-child(2) .char-accent:nth-child(1) { animation-delay: 0.45s; }
.title-line:nth-child(2) .char:nth-child(2),
.title-line:nth-child(2) .char-accent:nth-child(2) { animation-delay: 0.5s; }
.title-line:nth-child(2) .char:nth-child(3),
.title-line:nth-child(2) .char-accent:nth-child(3) { animation-delay: 0.55s; }
.title-line:nth-child(2) .char:nth-child(4),
.title-line:nth-child(2) .char-accent:nth-child(4) { animation-delay: 0.6s; }
.title-line:nth-child(2) .char:nth-child(5),
.title-line:nth-child(2) .char-accent:nth-child(5) { animation-delay: 0.65s; }
.title-line:nth-child(2) .char:nth-child(6),
.title-line:nth-child(2) .char-accent:nth-child(6) { animation-delay: 0.7s; }
.title-line:nth-child(2) .char:nth-child(7),
.title-line:nth-child(2) .char-accent:nth-child(7) { animation-delay: 0.75s; }
.title-line:nth-child(2) .char:nth-child(8),
.title-line:nth-child(2) .char-accent:nth-child(8) { animation-delay: 0.8s; }
.title-line:nth-child(2) .char:nth-child(9),
.title-line:nth-child(2) .char-accent:nth-child(9) { animation-delay: 0.85s; }
.title-line:nth-child(2) .char:nth-child(10),
.title-line:nth-child(2) .char-accent:nth-child(10) { animation-delay: 0.9s; }
.title-line:nth-child(2) .char:nth-child(11),
.title-line:nth-child(2) .char-accent:nth-child(11) { animation-delay: 0.95s; }
.title-line:nth-child(2) .char:nth-child(12),
.title-line:nth-child(2) .char-accent:nth-child(12) { animation-delay: 1.0s; }

/* Stagger animation delays - Line 3 (育てる。) */
.title-line:nth-child(3) .char:nth-child(1),
.title-line:nth-child(3) .char-accent:nth-child(1) { animation-delay: 1.05s; }
.title-line:nth-child(3) .char:nth-child(2),
.title-line:nth-child(3) .char-accent:nth-child(2) { animation-delay: 1.1s; }
.title-line:nth-child(3) .char:nth-child(3),
.title-line:nth-child(3) .char-accent:nth-child(3) { animation-delay: 1.15s; }
.title-line:nth-child(3) .char:nth-child(4),
.title-line:nth-child(3) .char-accent:nth-child(4) { animation-delay: 1.2s; }

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--dark-gray);
    margin-bottom: 40px;
}

.hero-cta {
    display: flex;
    gap: 20px;
}

.btn-explore {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--primary);
    padding: 16px 32px;
    border: 1px solid var(--primary);
    border-radius: 100px;
    transition: all var(--transition-fast);
}

.btn-explore:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-explore svg {
    transition: transform var(--transition-fast);
}

.btn-explore:hover svg {
    transform: translateY(4px);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--primary);
    border-radius: 20px;
    position: relative;
    opacity: 0.6;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--primary);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s ease-in-out infinite;
}

@keyframes scroll {
    0%, 100% { opacity: 1; top: 8px; }
    50% { opacity: 0; top: 20px; }
}

/* ========================================
   Section Common Styles
   ======================================== */
.section {
    padding: var(--section-padding);
    position: relative;
    overflow: hidden;
}

.section-bg-text {
    position: absolute;
    top: 80px;
    left: -20px;
    font-family: var(--font-display);
    font-size: 12vw;
    font-weight: 400;
    letter-spacing: 0.05em;
    color: transparent;
    -webkit-text-stroke: 1px rgba(10, 94, 124, 0.15);
    pointer-events: none;
    white-space: nowrap;
    z-index: 0;
}

.section-header {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    margin-bottom: 80px;
    position: relative;
    z-index: 1;
}

.section-number {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 400;
    color: var(--primary);
    letter-spacing: 0.1em;
    padding-top: 8px;
}

.section-title-wrap {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.section-subtitle {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.3em;
    color: var(--primary);
    text-transform: uppercase;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--charcoal);
    letter-spacing: 0.05em;
}

.section-intro {
    text-align: center;
    font-size: 1.1rem;
    color: var(--dark-gray);
    max-width: 600px;
    margin: -40px auto 60px;
}

/* ========================================
   Mission Section
   ======================================== */
.mission {
    background: var(--white);
}

.mission-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    margin-bottom: 120px;
}

.mission-cycle-wrapper {
    position: relative;
}

.model-cycle {
    position: relative;
    width: 400px;
    height: 400px;
    margin: 0 auto;
}

.cycle-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    box-shadow: var(--shadow-glow);
}

.cycle-item {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 140px;
    z-index: 5;
}

/* 正三角形配置: 上、右下、左下 */
.cycle-item.item-1 {
    top: -70px;
    left: 50%;
    transform: translateX(-50%);
}

.cycle-item.item-1 .step-icon {
    order: 2;
    margin-bottom: 0;
    margin-top: 12px;
}

.cycle-item.item-1 .step-content {
    order: 1;
}

.cycle-item.item-2 {
    bottom: 10px;
    right: -30px;
}

.cycle-item.item-3 {
    bottom: 10px;
    left: -30px;
}

.step-icon {
    width: 80px;
    height: 80px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    margin-bottom: 16px;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    position: relative;
    z-index: 10;
}

.step-icon:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

.step-icon img {
    width: 50%;
    height: 50%;
    object-fit: contain;
}

.step-content h4 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--charcoal);
    margin-bottom: 4px;
}

.step-content p {
    font-size: 0.85rem;
    color: var(--dark-gray);
}

.cycle-arrows {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    color: var(--primary);
    opacity: 0.25;
    z-index: 1;
}

.cycle-arrows circle {
    stroke-dasharray: 880;
    stroke-dashoffset: 880;
    animation: drawCircle 3s ease-in-out forwards infinite;
}

@keyframes drawCircle {
    0% { stroke-dashoffset: 880; }
    50% { stroke-dashoffset: 0; }
    100% { stroke-dashoffset: -880; }
}

.mission-concept {
    padding: 60px;
    background: var(--light-gray);
    border-radius: var(--radius-lg);
    position: relative;
}

.concept-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--primary);
    background: rgba(10, 94, 124, 0.1);
    padding: 8px 16px;
    border-radius: 100px;
    margin-bottom: 24px;
}

.mission-concept h3 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--charcoal);
    margin-bottom: 24px;
}

.concept-text p {
    margin-bottom: 16px;
    color: var(--dark-gray);
}

.concept-highlight {
    font-weight: 500;
    color: var(--primary) !important;
    margin-top: 8px;
}

/* Issues Section */
.mission-issues-section {
    position: relative;
    z-index: 1;
}

.issues-header {
    text-align: center;
    margin-bottom: 60px;
}

.issues-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--white);
    background: var(--charcoal);
    padding: 8px 20px;
    border-radius: 100px;
    margin-bottom: 16px;
}

.issues-heading {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--charcoal);
}

.mission-issues {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.issue-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--white);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.issue-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.issue-number {
    position: absolute;
    top: 20px;
    left: 20px;
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 400;
    color: var(--white);
    opacity: 0.5;
    z-index: 2;
}

.issue-img {
    position: relative;
    height: 240px;
    overflow: hidden;
}

.issue-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.issue-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 50%, rgba(0, 0, 0, 0.6) 100%);
}

.issue-content {
    padding: 32px;
}

.issue-content h4 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--charcoal);
    margin-bottom: 12px;
}

.issue-content p {
    color: var(--dark-gray);
    line-height: 1.8;
}

.issue-content strong {
    color: var(--primary);
}

/* ========================================
   Technology Section
   ======================================== */
.technology {
    background: var(--light-gray);
    overflow: visible;
}

.tech-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 100px;
    align-items: center;
}

.tech-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: visible;
    padding: 60px 0;
}

.tech-circle {
    position: relative;
    width: 420px;
    height: auto;
    overflow: visible;
}

.circle-glow {
    position: absolute;
    width: 100%;
    aspect-ratio: 1 / 1;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, rgba(10, 94, 124, 0.2) 0%, transparent 70%);
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.1); opacity: 0.8; }
}

.tech-circle img {
    width: 100%;
    height: auto;
    object-fit: contain;
    transform: rotate(30deg);
}

.tech-particles span {
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0.3;
    animation: particle 4s ease-in-out infinite;
}

.tech-particles span:nth-child(1) { top: 10%; left: 20%; animation-delay: 0s; }
.tech-particles span:nth-child(2) { top: 30%; right: 10%; animation-delay: 0.5s; }
.tech-particles span:nth-child(3) { bottom: 20%; left: 10%; animation-delay: 1s; }
.tech-particles span:nth-child(4) { bottom: 10%; right: 20%; animation-delay: 1.5s; }
.tech-particles span:nth-child(5) { top: 50%; left: 5%; animation-delay: 2s; }

@keyframes particle {
    0%, 100% { transform: translateY(0) scale(1); opacity: 0.3; }
    50% { transform: translateY(-20px) scale(1.5); opacity: 0.6; }
}

.tech-text {
    position: relative;
    z-index: 1;
}

.tech-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--primary);
    background: rgba(10, 94, 124, 0.1);
    padding: 8px 16px;
    border-radius: 100px;
    margin-bottom: 24px;
}

.tech-text h3 {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 600;
    color: var(--charcoal);
    margin-bottom: 32px;
    line-height: 1.4;
}

.tech-name {
    color: var(--primary);
}

.tech-description p {
    margin-bottom: 20px;
    color: var(--dark-gray);
}

.btn-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--primary);
    margin-top: 16px;
    transition: gap var(--transition-fast);
}

.btn-link:hover {
    gap: 16px;
}

.btn-link svg {
    transition: transform var(--transition-fast);
}

.btn-link:hover svg {
    transform: translate(4px, -4px);
}

/* ========================================
   Case Study Section
   ======================================== */
.case-study {
    background: var(--white);
}

.coming-soon {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    padding: 80px 60px;
    background: var(--light-gray);
    border-radius: var(--radius-lg);
}

.coming-soon-icon {
    margin-bottom: 24px;
    color: var(--mid-gray);
}

.coming-soon h3 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 400;
    color: var(--charcoal);
    margin-bottom: 16px;
    letter-spacing: 0.05em;
}

.coming-soon > p {
    color: var(--dark-gray);
    margin-bottom: 40px;
}

.coming-soon-list {
    list-style: none;
    text-align: left;
    max-width: 400px;
    margin: 0 auto;
}

.coming-soon-list li {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 0;
    color: var(--dark-gray);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.coming-soon-list li:last-child {
    border-bottom: none;
}

.list-icon {
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
    flex-shrink: 0;
}

/* Case Studies Grid */
.case-studies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.case-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.case-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.case-card-images {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px;
}

.case-image {
    aspect-ratio: 4 / 3;
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.case-card:hover .case-image img {
    transform: scale(1.05);
}

.case-card-content {
    padding: 32px;
}

.case-location {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 12px;
}

.location-icon {
    display: flex;
    align-items: center;
}

.location-icon svg {
    stroke: var(--primary);
}

.case-title {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--charcoal);
    margin-bottom: 16px;
    letter-spacing: 0.02em;
}

.case-description {
    color: var(--dark-gray);
    line-height: 1.8;
    margin-bottom: 20px;
}

.case-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.case-tag {
    display: inline-block;
    padding: 6px 14px;
    background: var(--light-gray);
    color: var(--dark-gray);
    font-size: 0.8rem;
    border-radius: 20px;
}

@media (max-width: 768px) {
    .case-studies-grid {
        grid-template-columns: 1fr;
    }
    
    .case-card-content {
        padding: 24px;
    }
    
    .case-title {
        font-size: 1.2rem;
    }
}

/* ========================================
   Partnership Section
   ======================================== */
.partnership {
    background: var(--light-gray);
}

.partner-system {
    margin-bottom: 100px;
}

.system-header {
    text-align: center;
    margin-bottom: 60px;
}

.system-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--white);
    background: var(--primary);
    padding: 8px 20px;
    border-radius: 100px;
    margin-bottom: 16px;
}

.system-header h3 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--charcoal);
    margin-bottom: 16px;
}

.system-desc {
    color: var(--dark-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* Roles Overview */
.roles-overview {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 32px 40px;
    margin-bottom: 40px;
    box-shadow: var(--shadow-sm);
}

.roles-intro {
    color: var(--dark-gray);
    margin-bottom: 24px;
    text-align: center;
}

.roles-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.role-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    background: var(--light-gray);
    border-radius: var(--radius-sm);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.role-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.role-item-office {
    grid-column: 1 / -1;
    background: rgba(10, 94, 124, 0.06);
    border: 1px solid rgba(10, 94, 124, 0.12);
}

.role-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    min-width: 28px;
    background: var(--gradient-primary);
    color: var(--white);
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 50%;
    margin-top: 2px;
}

.role-detail {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.role-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--charcoal);
}

.role-desc {
    font-size: 0.8rem;
    color: var(--dark-gray);
    line-height: 1.6;
}

.rank-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.rank-item {
    position: relative;
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 40px 24px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
    overflow: hidden;
}

.rank-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.rank-glow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
}

.rank-item.diamond .rank-glow { background: linear-gradient(90deg, #b9f2ff, #7dd3fc, #b9f2ff); }
.rank-item.platinum .rank-glow { background: linear-gradient(90deg, #e5e4e2, #cbd5e1, #e5e4e2); }
.rank-item.gold .rank-glow { background: linear-gradient(90deg, #fcd34d, #fbbf24, #fcd34d); }
.rank-item.green .rank-glow { background: linear-gradient(90deg, #86efac, #4ade80, #86efac); }

.rank-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
}

.rank-logo img,
.rank-logo svg {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.rank-info h4 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--charcoal);
    margin-bottom: 8px;
    letter-spacing: 0.05em;
}

.rank-req {
    font-size: 0.85rem;
    color: var(--dark-gray);
    margin-bottom: 8px;
}

.rank-desc {
    font-size: 0.75rem;
    color: var(--mid-gray);
    line-height: 1.6;
}

.rank-target {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--light-gray);
    text-align: left;
}

.rank-target-label {
    display: block;
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--primary);
    letter-spacing: 0.05em;
    margin-bottom: 6px;
}

.rank-target ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.rank-target ul li {
    position: relative;
    padding-left: 14px;
    font-size: 0.7rem;
    color: var(--dark-gray);
    line-height: 1.8;
}

.rank-target ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 4px;
    height: 4px;
    background: var(--primary);
    border-radius: 50%;
}

.rank-note {
    margin-top: 12px;
    padding-top: 10px;
    border-top: 1px dashed rgba(10, 94, 124, 0.2);
    font-size: 0.65rem;
    color: var(--primary);
    line-height: 1.5;
    text-align: left;
    font-weight: 500;
}

/* Role Details Section */
.role-details-section {
    margin-bottom: 100px;
}

.role-details-header {
    text-align: center;
    margin-bottom: 48px;
}

.role-details-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--white);
    background: var(--secondary);
    padding: 8px 20px;
    border-radius: 100px;
    margin-bottom: 16px;
}

.role-details-header h3 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--charcoal);
    margin-bottom: 12px;
}

.role-details-desc {
    color: var(--dark-gray);
    max-width: 600px;
    margin: 0 auto;
}

.role-detail-cards {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.role-detail-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.role-detail-card-header {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 32px 40px;
    background: var(--light-gray);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.role-detail-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    min-width: 40px;
    background: var(--gradient-primary);
    color: var(--white);
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50%;
    margin-top: 2px;
}

.role-detail-card-header h4 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--charcoal);
    margin-bottom: 6px;
}

.role-detail-summary {
    font-size: 0.9rem;
    color: var(--dark-gray);
    line-height: 1.7;
}

.role-detail-card-body {
    padding: 32px 40px;
}

/* Implementation Methods */
.implementation-methods {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 32px;
}

.method-item {
    background: var(--light-gray);
    border-radius: var(--radius-sm);
    padding: 20px;
}

.method-label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--primary);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 50%;
    margin-bottom: 12px;
}

.method-content h5 {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--charcoal);
    margin-bottom: 10px;
}

.method-recommend {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--white);
    background: var(--secondary);
    padding: 2px 8px;
    border-radius: 100px;
    margin-left: 8px;
    vertical-align: middle;
}

.method-content ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.method-content ul li {
    position: relative;
    padding-left: 14px;
    font-size: 0.8rem;
    color: var(--dark-gray);
    line-height: 1.8;
}

.method-content ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 9px;
    width: 4px;
    height: 4px;
    background: var(--primary);
    border-radius: 50%;
}

.method-case-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 12px;
    padding: 6px 12px;
    background: rgba(10, 94, 124, 0.08);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--primary);
    transition: background var(--transition-fast);
}

.method-case-link:hover {
    background: rgba(10, 94, 124, 0.15);
}

/* Role Detail Targets / Participation / Merits */
.role-detail-targets,
.role-detail-participation,
.role-detail-merits {
    margin-bottom: 20px;
}

.role-detail-targets:last-child,
.role-detail-participation:last-child,
.role-detail-merits:last-child {
    margin-bottom: 0;
}

.role-detail-targets-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--primary);
    letter-spacing: 0.05em;
    margin-bottom: 10px;
}

.target-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.target-tags span {
    display: inline-block;
    padding: 6px 14px;
    background: var(--light-gray);
    color: var(--dark-gray);
    font-size: 0.8rem;
    border-radius: 100px;
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.role-detail-participation ul,
.role-detail-merits ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4px 24px;
}

.role-detail-participation ul li,
.role-detail-merits ul li {
    position: relative;
    padding-left: 16px;
    font-size: 0.85rem;
    color: var(--dark-gray);
    line-height: 1.8;
}

.role-detail-participation ul li::before,
.role-detail-merits ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 5px;
    height: 5px;
    background: var(--secondary);
    border-radius: 50%;
}

/* Partnership Intro */
.partnership-intro {
    text-align: center;
    margin-top: 80px;
    margin-bottom: 60px;
}

.partnership-intro h3 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--charcoal);
}

.partnership-intro .accent {
    color: var(--primary);
}

/* Partnership Cards */
.partnership-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 60px;
}

.partner-card {
    position: relative;
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.partner-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.card-accent {
    height: 4px;
    background: var(--gradient-primary);
}

.card-header {
    padding: 32px 32px 0;
    display: flex;
    align-items: center;
    gap: 16px;
}

.card-header .pattern {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 500;
}

.card-header h4 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--charcoal);
}

.card-icon {
    padding: 24px 32px;
    display: flex;
    justify-content: center;
}

.card-icon img {
    height: 80px;
    width: auto;
    object-fit: contain;
}

.card-body {
    padding: 0 32px 32px;
}

.card-item {
    padding: 16px 0;
    border-bottom: 1px solid var(--light-gray);
}

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

.card-item .label {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--primary);
    letter-spacing: 0.1em;
    margin-bottom: 4px;
}

.card-item .value {
    font-size: 0.9rem;
    color: var(--dark-gray);
}

/* Card List (for partner cards) */
.card-list {
    list-style: none;
    padding: 0;
    margin: 4px 0 0;
}

.card-list li {
    position: relative;
    padding-left: 16px;
    font-size: 0.9rem;
    color: var(--dark-gray);
    line-height: 1.8;
}

.card-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 5px;
    height: 5px;
    background: var(--primary);
    border-radius: 50%;
}

/* Partnership Notes */
.partnership-notes {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 32px 40px;
    margin-bottom: 60px;
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--primary);
}

.notes-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.notes-badge {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--white);
    background: var(--primary);
    padding: 4px 12px;
    border-radius: 100px;
}

.notes-header h4 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--charcoal);
}

.notes-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.notes-list li {
    position: relative;
    padding-left: 20px;
    font-size: 0.9rem;
    color: var(--dark-gray);
    line-height: 1.8;
    margin-bottom: 4px;
}

.notes-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
}

/* Cotton Owner Section */
.cotton-owner-section {
    margin-top: 80px;
    padding: 60px 40px;
    background: linear-gradient(135deg, #f8faf7 0%, #f0f5e8 100%);
    border-radius: var(--radius-lg);
    text-align: center;
}

.cotton-owner-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--secondary);
    background: rgba(45, 106, 79, 0.1);
    padding: 6px 20px;
    border-radius: 100px;
    margin-bottom: 16px;
}

.cotton-owner-title {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    color: var(--charcoal);
    margin-bottom: 12px;
}

.cotton-owner-desc {
    font-size: 0.95rem;
    color: var(--dark-gray);
    line-height: 1.8;
    max-width: 600px;
    margin: 0 auto 40px;
}

.cotton-owner-body {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.cotton-owner-flow {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0;
    flex: 0 0 auto;
}

.flow-step {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 20px;
    width: 220px;
    height: 220px;
    flex: 0 0 auto;
    box-shadow: var(--shadow-sm);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.flow-step-rank {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--white);
    background: var(--secondary);
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 12px;
}

.flow-step-rank.gold {
    background: linear-gradient(135deg, #b8860b, #daa520);
}

.flow-step-detail {
    font-size: 0.85rem;
    color: var(--dark-gray);
    line-height: 1.7;
}

.flow-highlight {
    font-weight: 600;
    color: var(--secondary);
}

.flow-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 4px;
    flex-shrink: 0;
}

.flow-arrow svg {
    width: 48px;
    height: 32px;
    flex-shrink: 0;
}

.flow-arrow-text {
    font-size: 0.7rem;
    color: var(--secondary);
    font-weight: 600;
    line-height: 1.4;
    text-align: center;
    margin-top: 4px;
    white-space: nowrap;
}

.cotton-owner-photo {
    flex: 0 0 auto;
    width: 220px;
    height: 220px;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.cotton-owner-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Partnership CTA */
.partnership-cta {
    text-align: center;
}

.cta-email {
    margin-top: 12px;
    font-size: 0.85rem;
    color: var(--dark-gray);
    letter-spacing: 0.02em;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--gradient-primary);
    color: var(--white);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 20px 40px;
    border-radius: 100px;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-primary svg {
    transition: transform var(--transition-fast);
}

.btn-primary:hover svg {
    transform: translateX(4px);
}

/* ========================================
   Farmers Section
   ======================================== */
.farmers {
    background: var(--white);
}

.farmers-content {
    max-width: 1000px;
    margin: 0 auto;
}

.farmers-intro {
    text-align: center;
    margin-bottom: 80px;
}

.farmers-intro h3 {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 600;
    color: var(--charcoal);
    margin-bottom: 16px;
    line-height: 1.5;
}

.farmers-intro p {
    color: var(--dark-gray);
    font-size: 1.1rem;
}

.farmers-benefits {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 60px;
}

.benefit-item {
    text-align: center;
    padding: 40px 32px;
    background: var(--light-gray);
    border-radius: var(--radius-lg);
    transition: transform var(--transition-medium);
}

.benefit-item:hover {
    transform: translateY(-8px);
}

.benefit-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto 24px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
}

.benefit-icon img {
    width: 55%;
    height: 55%;
    object-fit: contain;
}

.benefit-content h4 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--charcoal);
    margin-bottom: 12px;
}

.benefit-label {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--white);
    background: var(--secondary);
    padding: 4px 10px;
    border-radius: 100px;
    margin-right: 8px;
}

.benefit-content p {
    font-size: 0.9rem;
    color: var(--dark-gray);
    line-height: 1.8;
}

.farmers-cta {
    text-align: center;
}

/* ========================================
   Organization Section
   ======================================== */
.organization {
    background: var(--light-gray);
}

.org-table-wrapper {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 60px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.org-bg-logo {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 500px;
    height: 500px;
    background-image: url('image/logo.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    opacity: 0.08;
    pointer-events: none;
}

.org-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    position: relative;
    z-index: 1;
}

.org-item {
    padding-bottom: 24px;
    border-bottom: 1px solid var(--light-gray);
}

.org-item.full-width {
    grid-column: 1 / -1;
}

.org-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    color: var(--primary);
    text-transform: uppercase;
    margin-bottom: 8px;
}

.org-value {
    font-size: 1rem;
    color: var(--charcoal);
    line-height: 1.8;
}

.org-value small {
    color: var(--dark-gray);
}

.org-value a {
    color: var(--primary);
    text-decoration: underline;
}

.org-value ul {
    margin-top: 12px;
    padding-left: 0;
    list-style: none;
}

.org-value ul li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 8px;
}

.org-value ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
    background: var(--gradient-dark);
    padding: 120px 0;
}

.contact-card {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: 80px;
    overflow: hidden;
}

.contact-bg-shapes {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.contact-shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
}

.contact-shape-1 {
    width: 400px;
    height: 400px;
    background: var(--primary-light);
    top: -200px;
    right: -100px;
}

.contact-shape-2 {
    width: 300px;
    height: 300px;
    background: var(--secondary);
    bottom: -150px;
    left: -100px;
}

.contact-content {
    position: relative;
    z-index: 1;
}

.contact-subtitle {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.3em;
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    margin-bottom: 16px;
    display: block;
}

.contact-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 24px;
}

.contact-content > p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 40px;
}

.btn-contact-large {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--white);
    color: var(--charcoal);
    font-size: 1rem;
    font-weight: 500;
    padding: 20px 48px;
    border-radius: 100px;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-contact-large:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--black);
    padding: 60px 0 40px;
    color: var(--white);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 40px;
}

.footer-logo img {
    height: 50px;
    filter: brightness(0) invert(1);
    opacity: 0.8;
}

.footer-links {
    display: flex;
    gap: 40px;
}

.footer-links a {
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--white);
}

.footer-bottom {
    text-align: center;
}

.copyright {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
    letter-spacing: 0.05em;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    :root {
        --section-padding: 120px 0;
    }

    .hero-inner {
        gap: 60px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .mission-hero {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .model-cycle {
        width: 350px;
        height: 350px;
    }

    .tech-content {
        gap: 60px;
    }

    .roles-grid {
        grid-template-columns: 1fr;
    }

    .rank-list {
        grid-template-columns: repeat(2, 1fr);
    }

    .implementation-methods {
        grid-template-columns: 1fr;
    }

    .role-detail-participation ul,
    .role-detail-merits ul {
        grid-template-columns: 1fr;
    }

    .partnership-cards {
        grid-template-columns: 1fr;
    }

    .cotton-owner-body {
        flex-direction: column;
        gap: 32px;
    }

    .cotton-owner-flow {
        flex-direction: column;
    }

    .flow-arrow svg {
        width: 32px;
        height: 48px;
        transform: rotate(90deg);
    }

    .cotton-owner-photo {
        width: 240px;
        height: 240px;
    }

    .farmers-benefits {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 100px 0;
    }

    .container {
        padding: 0 24px;
    }

    .header {
        width: 100vw;
        max-width: 100vw;
    }

    .header-container {
        max-width: 100%;
        width: 100%;
        padding: 0 16px;
        box-sizing: border-box;
    }

    .logo img {
        height: 40px;
    }

    .nav-list {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    /* Mobile Navigation Menu Overlay (JS-generated) */
    .mobile-menu-overlay {
        padding: 0 24px;
    }

    .mobile-menu-overlay .nav-list {
        width: 100%;
        max-width: 100%;
        padding: 0 16px;
        gap: 0 !important;
    }

    .mobile-menu-overlay .nav-list li {
        width: 100%;
        border-bottom: 1px solid var(--light-gray);
    }

    .mobile-menu-overlay .nav-list li:last-child {
        border-bottom: none;
        margin-top: 16px;
    }

    .mobile-menu-overlay .nav-list a {
        display: block;
        padding: 12px 0;
        font-size: 1rem;
        text-align: center;
    }

    .mobile-menu-overlay .nav-list .nav-jp {
        display: block;
        font-size: 0.75rem;
        margin-top: 2px;
    }

    .mobile-menu-overlay .nav-list .btn-contact {
        display: flex;
        justify-content: center;
        width: 100%;
        padding: 12px 20px;
        font-size: 0.9rem;
    }

    /* Scroll indicator hidden on mobile */
    .scroll-indicator {
        display: none;
    }

    .hero {
        padding: 100px 24px 60px;
    }

    .hero-inner {
        flex-direction: column;
        gap: 40px;
        text-align: center;
    }

    .hero-illustration {
        max-width: 300px;
    }

    .hero-eyecatch {
        justify-content: center;
    }

    .hero-title {
        font-size: 1.8rem;
    }

    .hero-subtitle {
        font-size: 0.95rem;
    }

    .hero-cta {
        justify-content: center;
    }

    .section-header {
        flex-direction: column;
        gap: 16px;
        margin-bottom: 60px;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .section-bg-text {
        font-size: 20vw;
    }

    /* Vertical cycle layout for mobile */
    .mission-cycle-wrapper {
        width: 100%;
        overflow: hidden;
    }

    .model-cycle {
        width: 100%;
        height: auto;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 0;
        padding: 20px 0;
    }

    .cycle-arrows {
        display: none;
    }

    /* Hide cycle center on mobile */
    .cycle-center {
        display: none;
    }

    .cycle-item {
        position: relative;
        width: 100%;
        max-width: 100%;
        top: auto !important;
        left: auto !important;
        right: auto !important;
        bottom: auto !important;
        transform: none !important;
        flex-direction: row;
        align-items: center;
        gap: 16px;
        background: var(--white);
        padding: 16px;
        border-radius: 12px;
        box-shadow: var(--shadow-sm);
        margin-bottom: 0;
    }

    .cycle-item.item-1,
    .cycle-item.item-2,
    .cycle-item.item-3 {
        top: auto !important;
        left: auto !important;
        right: auto !important;
        bottom: auto !important;
        transform: none !important;
        flex-direction: row;
    }

    /* item-1 (排出) - icon on left, text on right (same as others) */
    .cycle-item.item-1 .step-icon {
        order: 1;
    }

    .cycle-item.item-1 .step-content {
        text-align: left;
        order: 2;
    }

    /* item-2 and item-3 - icon on left, text on right */
    .cycle-item.item-2,
    .cycle-item.item-3 {
        flex-direction: row;
    }

    .cycle-item .step-icon {
        width: 60px;
        height: 60px;
        flex-shrink: 0;
    }

    .cycle-item .step-content {
        text-align: left;
        flex: 1;
    }

    .cycle-item .step-content h4 {
        margin-bottom: 4px;
    }

    /* Connecting lines between items */
    .cycle-item::after {
        content: '';
        position: absolute;
        bottom: -24px;
        left: 50%;
        transform: translateX(-50%);
        width: 2px;
        height: 24px;
        background: var(--primary);
        opacity: 0.3;
        z-index: 1;
    }

    /* Hide line after last item */
    .cycle-item.item-3::after {
        display: none;
    }

    /* Add spacing between items for the lines */
    .cycle-item.item-1,
    .cycle-item.item-2 {
        margin-bottom: 24px;
    }

    .cycle-item.item-3 {
        margin-bottom: 0;
    }

    .mission-concept {
        padding: 40px 24px;
    }

    .mission-issues {
        grid-template-columns: 1fr;
    }

    .tech-content {
        grid-template-columns: 1fr;
    }

    .tech-circle {
        width: 336px;
        height: auto;
    }

    .roles-grid {
        grid-template-columns: 1fr;
    }

    .roles-overview {
        padding: 24px;
    }

    .rank-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .rank-item {
        padding: 24px 16px;
    }

    .rank-logo {
        width: 60px;
        height: 60px;
    }

    .partnership-notes {
        padding: 24px;
    }

    .role-detail-card-header {
        padding: 24px;
        flex-direction: column;
        gap: 12px;
    }

    .role-detail-card-body {
        padding: 24px;
    }

    .implementation-methods {
        grid-template-columns: 1fr;
    }

    .role-detail-participation ul,
    .role-detail-merits ul {
        grid-template-columns: 1fr;
    }

    .org-table-wrapper {
        padding: 40px 24px;
    }

    .org-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .contact-card {
        padding: 60px 24px;
    }

    .contact-title {
        font-size: 2rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 32px;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 24px;
    }

    /* Button adjustments for tablet/mobile */
    .btn-primary {
        padding: 14px 24px;
        font-size: 0.9rem;
    }

    .btn-contact-large {
        padding: 16px 24px;
    }

    .partnership-cta,
    .farmers-cta {
        text-align: center;
    }

    /* Partnership cards layout */
    .partnership-cards {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.5rem;
    }

    .rank-list {
        grid-template-columns: 1fr;
    }

    /* Button adjustments for small screens */
    .btn-primary {
        padding: 14px 20px;
        font-size: 0.85rem;
        width: 100%;
        max-width: 100%;
        text-align: center;
        justify-content: center;
    }

    .btn-primary span {
        white-space: normal;
        line-height: 1.4;
    }

    .btn-contact-large {
        padding: 16px 24px;
        font-size: 0.95rem;
        width: auto;
        max-width: 100%;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
    }

    .btn-contact-large span {
        white-space: nowrap;
    }

    .btn-contact-large svg {
        flex-shrink: 0;
    }

    .partnership-cta,
    .farmers-cta {
        padding: 0 16px;
    }

    .partnership-cta .btn-primary span,
    .farmers-cta .btn-primary span {
        display: block;
        text-align: center;
    }

    .cotton-owner-section {
        padding: 40px 20px;
        margin-top: 48px;
    }

    .cotton-owner-title {
        font-size: 1.3rem;
    }

    .cotton-owner-photo {
        max-width: 100%;
    }

    .flow-step {
        padding: 20px 16px;
    }

    .flow-arrow-text {
        font-size: 0.7rem;
    }

    /* Tech circle adjustment */
    .tech-circle {
        width: 280px;
    }

    /* Partner cards */
    .partnership-cards {
        gap: 24px;
    }

    .partner-card {
        padding: 24px 16px;
    }

    .card-header h4 {
        font-size: 1rem;
    }

    /* Contact section */
    .contact-card {
        padding: 40px 16px;
    }

    .contact-title {
        font-size: 1.6rem;
    }

    /* Footer links */
    .footer-links {
        gap: 16px 24px;
    }

    .footer-links a {
        font-size: 0.85rem;
    }
}

/* ========================================
   Animations & Interactions
   ======================================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s var(--ease-out-expo) forwards;
}

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

/* Smooth scroll anchor offset */
:target {
    scroll-margin-top: 100px;
}

/* Focus styles */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 4px;
}

/* Print styles */
@media print {
    .header,
    .scroll-indicator,
    .cursor,
    .cursor-follower,
    .progress-bar {
        display: none !important;
    }

    .section {
        padding: 40px 0;
    }
}