/* ===========================================
   Pucre Landing Page - Optimized Styles
   =========================================== */

/* CSS Variables */
:root {
    --primary-color: #10B981;
    --primary-dark: #059669;
    --secondary-color: #3B82F6;
    --text-dark: #1F2937;
    --text-light: #6B7280;
    --bg-light: #F9FAFB;
    --white: #FFFFFF;
    --border-color: #E5E7EB;
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-2xl: 64px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Leaf Particle Animation */
.leaf-container {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 1;
}

.leaf-particle {
    position: absolute;
    width: 20px;
    height: 20px;
    background: #10B981;
    border-radius: 50% 0;
    opacity: 0;
    animation: leafFloat 3s ease-in-out infinite;
    pointer-events: none;
    z-index: 1;
}

.leaf-particle.small {
    width: 15px;
    height: 15px;
}

.leaf-particle.large {
    width: 25px;
    height: 25px;
}

.particle-1 { top: 10%; left: 10%; animation-delay: 0s; }
.particle-2 { top: 20%; right: 15%; animation-delay: 0.5s; }
.particle-3 { top: 40%; left: 5%; animation-delay: 1s; }
.particle-4 { top: 60%; right: 10%; animation-delay: 1.5s; }
.particle-5 { top: 80%; left: 15%; animation-delay: 2s; }
.particle-6 { top: 50%; right: 5%; animation-delay: 2.5s; }
.particle-7 { top: 30%; left: 20%; animation-delay: 3s; }
.particle-8 { top: 70%; right: 20%; animation-delay: 3.5s; }

@keyframes leafFloat {
    0% {
        opacity: 0;
        transform: translateY(0) rotate(0deg) scale(0);
    }
    20% {
        opacity: 1;
        transform: translateY(-20px) rotate(90deg) scale(1);
    }
    80% {
        opacity: 1;
        transform: translateY(-60px) rotate(270deg) scale(1);
    }
    100% {
        opacity: 0;
        transform: translateY(-80px) rotate(360deg) scale(0);
    }
}

/* Container & Section */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 70px 0;
    position: relative;
    overflow: hidden;
}

main {
    position: relative;
}

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

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

*:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: 3px;
    border-radius: 4px;
}

.skip-to-main {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--primary-color);
    color: var(--white);
    padding: 10px 20px;
    z-index: 10000;
    text-decoration: none;
    font-weight: 600;
    border-radius: 0 0 8px 0;
}

.skip-to-main:focus {
    top: 0;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    padding: 15px 0;
    transition: all 0.3s;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: inline-block;
    line-height: 0;
}

.logo-image {
    height: 40px;
    width: auto;
    display: block;
}

.nav-menu {
    display: flex;
    gap: 30px;
    align-items: center;
    list-style: none;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-link:hover {
    color: var(--primary-color);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-dark);
    cursor: pointer;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 63px;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    z-index: 999;
    flex-direction: column;
    gap: 15px;
}

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

.mobile-menu-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    padding: 12px;
    border-radius: 8px;
    transition: background 0.3s;
}

.mobile-menu-link:hover {
    background: var(--bg-light);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    font-size: 16px;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--text-dark);
    border: 2px solid var(--border-color);
}

.btn-outline:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-large {
    padding: 16px 32px;
    font-size: 18px;
}

.btn-nav {
    padding: 10px 20px;
    font-size: 14px;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 100px 0 60px;
    background: linear-gradient(135deg, 
        rgba(240, 253, 244, 0.95) 0%, 
        rgba(239, 246, 255, 0.95) 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1.4fr 0.9fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 2;
    max-width: 1300px;
    margin: 0 auto;
}

.hero-text {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.9);
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: 600;
    color: var(--primary-color);
    font-size: 14px;
    margin-bottom: 20px;
    width: fit-content;
}

.hero-title {
    margin-bottom: 20px;
}

.hero-title-big {
    display: block;
    font-size: 52px;
    font-weight: 900;
    line-height: 1.2;
    color: var(--text-dark);
    letter-spacing: -0.02em;
}

.hero-title-highlight {
    display: block;
    font-size: 52px;
    font-weight: 900;
    line-height: 1.2;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 20px;
    font-weight: 500;
    color: var(--text-light);
    margin-bottom: 16px;
    line-height: 1.8;
    max-width: 600px;
    letter-spacing: 0.02em;
}

/* Hero Stats - Minimal Inline Design */
.hero-stats {
    display: flex;
    gap: 20px;
    margin: 32px 0;
    flex-wrap: wrap;
    justify-content: space-between;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 28px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.98) 100%);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    box-shadow: 
        0 8px 32px rgba(16, 185, 129, 0.15),
        0 2px 8px rgba(0, 0, 0, 0.05);
    border: 2px solid rgba(16, 185, 129, 0.2);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    flex: 1 1 calc(50% - 10px);
    max-width: calc(50% - 10px);
}

/* 480pxより広い画面では.stat-top-rowを透明化 */
.stat-top-row {
    display: contents;
}

.stat-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
    min-width: 0;
}

.stat-label {
    width: auto;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color) 0%, #059669 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.stat-item:hover::before {
    transform: scaleX(1);
}

/* CO2吸収量を特別に強調 */
.stat-co2 {
    border-color: rgba(16, 185, 129, 0.35);
    background: linear-gradient(135deg, rgba(240, 253, 244, 1) 0%, rgba(236, 253, 245, 1) 100%);
}

.stat-co2::before {
    height: 4px;
    background: linear-gradient(90deg, #10B981 0%, #059669 50%, #047857 100%);
}

.stat-co2:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 
        0 12px 48px rgba(16, 185, 129, 0.25),
        0 4px 16px rgba(16, 185, 129, 0.15);
    border-color: rgba(16, 185, 129, 0.5);
}

.stat-points {
    border-color: rgba(59, 130, 246, 0.25);
    background: linear-gradient(135deg, rgba(239, 246, 255, 1) 0%, rgba(243, 248, 255, 1) 100%);
}

.stat-points::before {
    background: linear-gradient(90deg, #3B82F6 0%, #2563EB 100%);
}

.stat-points:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 
        0 12px 48px rgba(59, 130, 246, 0.2),
        0 4px 16px rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.4);
}

.stat-icon-wrapper {
    position: relative;
    flex-shrink: 0;
}

.stat-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, #059669 100%);
    border-radius: 16px;
    color: white;
    font-size: 24px;
    box-shadow: 
        0 4px 16px rgba(16, 185, 129, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    position: relative;
    transition: all 0.3s ease;
}

.stat-co2 .stat-icon {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    animation: pulse-green 3s ease-in-out infinite;
}

.stat-points .stat-icon {
    background: linear-gradient(135deg, #3B82F6 0%, #2563EB 100%);
    box-shadow: 
        0 4px 16px rgba(59, 130, 246, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

@keyframes pulse-green {
    0%, 100% {
        box-shadow: 
            0 4px 16px rgba(16, 185, 129, 0.3),
            inset 0 1px 0 rgba(255, 255, 255, 0.2);
    }
    50% {
        box-shadow: 
            0 4px 24px rgba(16, 185, 129, 0.5),
            0 0 32px rgba(16, 185, 129, 0.2),
            inset 0 1px 0 rgba(255, 255, 255, 0.3);
    }
}

.stat-value {
    font-size: 36px;
    font-weight: 900;
    line-height: 1;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--primary-color) 0%, #059669 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: baseline;
    gap: 2px;
}

.stat-co2 .stat-value {
    background: linear-gradient(135deg, #10B981 0%, #047857 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-points .stat-value {
    background: linear-gradient(135deg, #3B82F6 0%, #1E40AF 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-unit {
    font-size: 24px;
    font-weight: 700;
    margin-left: 2px;
}

.stat-label {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.3;
    letter-spacing: 0.01em;
}

/* デフォルト: インラインのラベルを表示、下のラベルを非表示 */
.stat-label-inline {
    display: block;
}

.stat-label-below {
    display: none;
}

.stat-sublabel {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-light);
    line-height: 1.3;
    margin-top: 2px;
}

.hero-cta {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.hero-note {
    font-size: 14px;
    color: var(--text-light);
}

/* Phone Mockup */
/* iPhone Mockup */
.iphone-mockup {
    position: relative;
    width: 100%;
    max-width: 260px;
    margin: 0 auto;
}

/* iPhone Frame - Image Fitted Design */
.iphone-frame {
    position: relative;
    width: 100%;
    aspect-ratio: auto;
    background: linear-gradient(145deg, #1c1c1e 0%, #2c2c2e 50%, #1a1a1c 100%);
    border-radius: 45px;
    padding: 8px;
    box-shadow: 
        0 0 0 0.5px rgba(255, 255, 255, 0.1),
        0 2px 8px rgba(0, 0, 0, 0.15),
        0 8px 24px rgba(0, 0, 0, 0.12),
        0 16px 40px rgba(0, 0, 0, 0.08),
        inset 0 0.5px 1px rgba(255, 255, 255, 0.08);
}

/* Inner bezel */
.iphone-frame::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 8px;
    right: 8px;
    bottom: 8px;
    background: #000000;
    border-radius: 37px;
    pointer-events: none;
}

/* Dynamic Island - iPhone 15 Pro Style */
.iphone-dynamic-island {
    position: absolute;
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
    width: 110px;
    height: 32px;
    background: #000000;
    border-radius: 50px;
    z-index: 10;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

/* Camera lens */
.iphone-dynamic-island::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 20px;
    transform: translateY(-50%);
    width: 9px;
    height: 9px;
    background: #1a1a1a;
    border-radius: 50%;
}

/* Face ID / Proximity sensor */
.iphone-dynamic-island::after {
    content: '';
    position: absolute;
    top: 50%;
    right: 16px;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    background: #0a0a0a;
    border-radius: 8px;
}

/* Speaker grill */
.iphone-screen::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 55px;
    height: 5px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 10px;
    z-index: 5;
}

.iphone-screen {
    position: relative;
    width: 100%;
    background: #000000;
    border-radius: 37px;
    overflow: hidden;
}

/* Home indicator bar */
.iphone-home-indicator {
    position: absolute;
    bottom: 18px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 100px;
    z-index: 10;
}

.app-screenshot {
    display: block;
    width: 100%;
    height: auto;
    object-fit: cover;
    object-position: center;
}

/* Section Titles */
.section-title {
    font-size: 36px;
    font-weight: 900;
    text-align: center;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.section-description {
    font-size: 18px;
    color: var(--text-light);
    text-align: center;
    margin-bottom: 50px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.section-badge {
    display: inline-block;
    background: var(--primary-color);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
}

/* About Section */
.about-section {
    background: var(--white);
}

.about-header {
    text-align: center;
    margin-bottom: 40px;
}

.about-cards-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.about-card {
    background: var(--bg-light);
    padding: 30px;
    border-radius: 20px;
    text-align: center;
    transition: transform 0.3s;
}

.about-card:hover {
    transform: translateY(-5px);
}

.about-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--white);
}

.about-card-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.about-card-description {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.7;
}

.about-message {
    text-align: center;
    font-size: 20px;
    color: var(--text-dark);
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
}

/* Use Cases Section */
.use-cases-section {
    background: var(--bg-light);
}

.use-cases-header {
    text-align: center;
    margin-bottom: 40px;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.use-case-card {
    background: var(--white);
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.use-case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.use-case-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    color: var(--white);
    margin-bottom: 15px;
}

.use-case-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.use-case-description {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 12px;
}

.use-case-quote {
    font-style: italic;
    color: var(--primary-color);
    padding-left: 20px;
    border-left: 3px solid var(--primary-color);
}

/* How It Works Section */
.how-it-works-section {
    background: var(--white);
}

.how-it-works-header {
    text-align: center;
    margin-bottom: 40px;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.step-card {
    text-align: center;
    padding: 30px 24px;
    background: var(--bg-light);
    border-radius: 20px;
    position: relative;
    transition: transform 0.3s;
}

.step-card:hover {
    transform: translateY(-5px);
}

.step-number {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 900;
}

.step-icon {
    width: 64px;
    height: 64px;
    margin: 24px auto 15px;
    background: var(--white);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    color: var(--primary-color);
}

.step-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.step-description {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.8;
}

/* Earn Points Section */
.earn-points-section {
    background: var(--bg-light);
}

.earn-points-header {
    text-align: center;
    margin-bottom: 40px;
}

.earn-methods-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

/* 上段：日常行動（5列） */
.earn-methods-daily {
    grid-template-columns: repeat(5, 1fr);
}

/* Shopping Card - Premium Design */
.shopping-card-container {
    margin-bottom: 50px;
    max-width: 100%;
}

.shopping-card {
    background: linear-gradient(135deg, #ECFDF5 0%, #D1FAE5 50%, #A7F3D0 100%);
    border-radius: 24px;
    padding: 36px 40px;
    box-shadow: 0 10px 40px rgba(16, 185, 129, 0.2);
    border: 3px solid var(--primary-color);
    position: relative;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.shopping-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.1) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.shopping-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 50px rgba(16, 185, 129, 0.3);
    border-color: #059669;
}

.shopping-card-badge {
    position: absolute;
    top: 12px;
    right: 40px;
    background: linear-gradient(135deg, #F59E0B 0%, #DC2626 100%);
    color: white;
    padding: 10px 24px;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 6px 16px rgba(245, 158, 11, 0.4);
    animation: pulse 2s ease-in-out infinite;
    z-index: 10;
}

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

.shopping-card-badge i {
    font-size: 14px;
}

.shopping-card-main {
    display: flex;
    align-items: center;
    gap: 32px;
    position: relative;
    z-index: 1;
}

.shopping-card-icon {
    width: 96px;
    height: 96px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #059669 100%);
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 44px;
    flex-shrink: 0;
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.4);
    transition: transform 0.3s ease;
}

.shopping-card:hover .shopping-card-icon {
    transform: scale(1.1) rotate(5deg);
}

.shopping-card-content {
    flex: 1;
    min-width: 0;
}

.shopping-card-title {
    font-size: 28px;
    font-weight: 900;
    color: var(--text-dark);
    margin-bottom: 10px;
    letter-spacing: -0.5px;
}

.shopping-card-description {
    font-size: 17px;
    color: #374151;
    line-height: 1.7;
    margin-bottom: 18px;
    font-weight: 500;
}

.shopping-card-description strong {
    color: var(--primary-color);
    font-weight: 800;
    font-size: 19px;
}

.shopping-card-features {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.shopping-feature {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    color: var(--text-dark);
    font-weight: 600;
}

.shopping-feature i {
    color: var(--primary-color);
    font-size: 18px;
}

.shopping-card-rate {
    text-align: center;
    background: white;
    padding: 24px 32px;
    border-radius: 20px;
    flex-shrink: 0;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    border: 2px solid rgba(16, 185, 129, 0.2);
}

.rate-label {
    font-size: 13px;
    color: var(--text-light);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    margin-bottom: 10px;
}

.rate-value {
    font-size: 44px;
    font-weight: 900;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 6px;
    text-shadow: 0 2px 8px rgba(16, 185, 129, 0.2);
}

.rate-note {
    font-size: 14px;
    color: var(--text-light);
    font-weight: 700;
}

.earn-method-card {
    background: var(--white);
    padding: 24px 16px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
}

.earn-method-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.earn-method-popular {
    border: 2px solid var(--primary-color);
}

.earn-method-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: var(--white);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
}

.earn-method-icon {
    width: 50px;
    height: 50px;
    margin: 0 auto 12px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--white);
}

.earn-method-title {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.earn-method-points {
    margin-bottom: 10px;
}

.points-value {
    font-size: 28px;
    font-weight: 900;
    color: var(--primary-color);
}

.points-unit {
    font-size: 16px;
    color: var(--text-light);
    margin-left: 4px;
}

.earn-method-description {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 15px;
}

.earn-method-frequency {
    font-size: 12px;
    color: var(--text-light);
    background: var(--bg-light);
    padding: 6px 12px;
    border-radius: 50px;
    display: inline-block;
}

/* Earn Points Note/Example */
.earn-points-note {
    margin-top: 50px;
}

.earn-points-example {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 40px;
    border-radius: 24px;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 30px;
}

.example-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: var(--white);
    flex-shrink: 0;
}

.example-content {
    flex: 1;
}

.example-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--white);
}

.example-text {
    font-size: 16px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.95);
}

.example-text strong {
    font-size: 24px;
    font-weight: 900;
    color: var(--white);
}

/* Rewards Section */
.rewards-section {
    background: var(--white);
}

.rewards-header {
    text-align: center;
    margin-bottom: 40px;
}

.rewards-showcase {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.reward-card {
    background: var(--bg-light);
    padding: 24px;
    border-radius: 20px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
}

.reward-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.reward-highlight {
    border: 2px solid var(--primary-color);
}

.reward-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
}

.reward-image-box {
    width: 100%;
    height: 160px;
    background: var(--white);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    font-size: 80px;
    color: var(--primary-color);
}

.reward-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.reward-description {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 15px;
    line-height: 1.6;
}

.reward-points {
    font-size: 24px;
    font-weight: 900;
    color: var(--primary-color);
}

/* Rewards Footer */
.rewards-footer {
    margin-top: 50px;
    text-align: center;
    padding: 40px;
    background: var(--bg-light);
    border-radius: 24px;
}

.rewards-note {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 20px;
}

/* ===================================
   Final CTA Section - Simple & Clean
   =================================== */
.final-cta-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 100px 0;
}

.final-cta-wrapper {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    color: var(--white);
}

.final-cta-title {
    font-size: 56px;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--white);
    letter-spacing: -0.02em;
}

.final-cta-subtitle {
    font-size: 20px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
}

.store-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.store-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: #000000;
    color: #FFFFFF;
    padding: 14px 28px;
    border-radius: 12px;
    text-decoration: none;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    min-width: 180px;
}

.store-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
    background: #1a1a1a;
}

.store-button i {
    font-size: 36px;
}

.store-button-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1.2;
}

.store-button-label {
    font-size: 11px;
    font-weight: 400;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.store-button-name {
    font-size: 20px;
    font-weight: 600;
    margin-top: 2px;
}

.final-cta-note {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
}

/* Cases Section */
.cases-section {
    background: var(--bg-light);
}

.cases-header {
    text-align: center;
    margin-bottom: 40px;
}

/* Stats Showcase */
.stats-showcase {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 50px;
}

.stat-card {
    background: var(--white);
    padding: 30px 24px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.stat-primary {
    border-top: 4px solid var(--primary-color);
}

.stat-secondary {
    border-top: 4px solid var(--secondary-color);
}

.stat-accent {
    border-top: 4px solid #F59E0B;
}

.stat-icon-box {
    width: 50px;
    height: 50px;
    margin: 0 auto 15px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--white);
}

.stat-number-animated {
    font-size: 48px;
    font-weight: 900;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.stat-plus,
.stat-unit {
    font-size: 24px;
    color: var(--primary-color);
    margin-left: 4px;
}

.stat-label-modern {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.stat-description {
    font-size: 14px;
    color: var(--text-light);
}

/* Logos Grid */
.logos-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.logo-box {
    background: var(--white);
    padding: 30px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.logo-box:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.logo-text .partner-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
}

/* More Info Box */
.more-info-box {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(59, 130, 246, 0.1) 100%);
    padding: 50px;
    border-radius: 24px;
    text-align: center;
    border: 2px solid var(--border-color);
}

.more-info-text {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 25px;
    font-weight: 500;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.case-card {
    background: var(--white);
    padding: 24px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.logo-box {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.case-name {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.case-description {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 40px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 30px;
}

.footer-brand {
    flex: 1;
}

.footer-logo-image {
    height: 50px;
    width: auto;
    display: block;
    margin-bottom: 15px;
}

.footer-tagline {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.footer-link {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.footer-link:hover {
    color: var(--primary-color);
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: background 0.3s;
}

.social-link:hover {
    background: var(--primary-color);
}

.footer-section h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

/* ===========================
   Contact Section Styles
   =========================== */
.contact-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f0fdf4 0%, #ffffff 100%);
}

.contact-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.contact-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    align-items: start;
}

/* Contact Form */
.contact-form-wrapper {
    position: relative;
    background: var(--white);
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.contact-form {
    display: block;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.required {
    color: #ef4444;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    font-size: 15px;
    font-family: 'Noto Sans JP', sans-serif;
    color: var(--text-dark);
    transition: all 0.3s;
    background: var(--white);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%236b7280'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 20px;
    padding-right: 40px;
}

.form-privacy {
    margin: 30px 0;
}

.privacy-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-secondary);
}

.privacy-checkbox input[type="checkbox"] {
    margin-top: 2px;
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

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

.btn-submit {
    width: 100%;
    margin-top: 10px;
}

/* Contact Success Message */
.contact-success {
    text-align: center;
    padding: 60px 40px;
}

.success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--primary-color), #059669);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.success-icon i {
    font-size: 40px;
    color: var(--white);
}

.contact-success h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.contact-success p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 30px;
    line-height: 1.8;
}

/* Contact Info Cards */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.info-card {
    background: var(--white);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.info-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #ecfdf5, #d1fae5);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.info-icon i {
    font-size: 24px;
    color: var(--primary-color);
}

.info-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.info-text {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 8px;
    word-break: break-word;
}

.info-note {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* reCAPTCHA Notice */
.recaptcha-notice {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 16px;
    background: #f3f4f6;
    border-radius: 12px;
    font-size: 12px;
    color: #6b7280;
    line-height: 1.6;
    margin: 20px 0;
}

.recaptcha-notice i {
    color: var(--primary-color);
    margin-top: 2px;
    flex-shrink: 0;
}

.recaptcha-notice a {
    color: var(--primary-color);
    text-decoration: underline;
}

/* Form Loading */
.form-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px;
    color: var(--text-secondary);
    font-size: 16px;
    font-weight: 500;
}

.loading-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid #e5e7eb;
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Hide reCAPTCHA badge (v3 invisible mode) */
.grecaptcha-badge {
    visibility: hidden;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .nav-menu {
        gap: 20px;
    }
    
    .container {
        padding: 0 30px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .hero {
        min-height: 85vh;
        padding: 90px 0 70px;
    }
    
    .hero-content {
        grid-template-columns: 1.2fr 1fr;
        gap: 50px;
    }
    
    .hero-stats {
        gap: 18px;
    }
    
    .stat-item {
        padding: 18px 24px;
        gap: 14px;
    }
    
    .stat-icon {
        width: 52px;
        height: 52px;
        font-size: 22px;
    }
    
    .stat-value {
        font-size: 34px;
    }
    
    .stat-unit {
        font-size: 22px;
    }
    
    .earn-methods-daily {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    
    .section {
        padding: 50px 0;
    }
    
    .logo-image {
        height: 36px;
    }
    
    .footer-logo-image {
        height: 44px;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav-menu {
        display: none;
    }
    
    .hero {
        min-height: auto;
        padding: 100px 0 60px;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-text {
        order: 1;
        align-items: center;
    }
    
    .hero-image {
        order: 2;
    }
    
    .iphone-mockup {
        max-width: 300px;
    }
    
    .iphone-frame {
        border-radius: 40px;
        padding: 6px;
    }
    
    .iphone-frame::before {
        top: 6px;
        left: 6px;
        right: 6px;
        bottom: 6px;
        border-radius: 34px;
    }
    
    .iphone-dynamic-island {
        width: 100px;
        height: 29px;
        top: 20px;
    }
    
    .iphone-dynamic-island::before {
        width: 8px;
        height: 8px;
        left: 18px;
    }
    
    .iphone-dynamic-island::after {
        width: 22px;
        height: 22px;
        right: 15px;
    }
    
    .iphone-screen {
        border-radius: 34px;
    }
    
    .iphone-screen::before {
        top: 18px;
        width: 50px;
        height: 4px;
    }
    
    .iphone-home-indicator {
        width: 110px;
        height: 4px;
        bottom: 16px;
    }
    
    .hero-title-big,
    .hero-title-highlight {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 18px;
        margin-bottom: 28px;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        justify-content: center;
        gap: 16px;
        margin: 28px 0;
    }
    
    .stat-item {
        flex: 1 1 calc(50% - 8px);
        max-width: calc(50% - 8px);
        min-width: 0;
        padding: 18px 24px;
        gap: 14px;
    }
    
    .stat-icon {
        width: 52px;
        height: 52px;
        font-size: 22px;
        border-radius: 14px;
    }
    
    .stat-value {
        font-size: 32px;
    }
    
    .stat-unit {
        font-size: 22px;
    }
    
    .stat-label {
        font-size: 13px;
    }
    
    .stat-sublabel {
        font-size: 11px;
    }
    
    .about-cards-grid,
    .use-cases-grid {
        grid-template-columns: 1fr;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .earn-methods-daily {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .earn-methods-shopping {
        max-width: 100%;
    }
    
    .shopping-card {
        padding: 28px 32px;
        border-radius: 20px;
    }
    
    .shopping-card-badge {
        top: 10px;
        right: 32px;
        padding: 8px 20px;
        font-size: 14px;
        z-index: 10;
    }
    
    .shopping-card-main {
        gap: 24px;
    }
    
    .shopping-card-icon {
        width: 80px;
        height: 80px;
        font-size: 36px;
        border-radius: 20px;
    }
    
    .shopping-card-title {
        font-size: 24px;
    }
    
    .shopping-card-description {
        font-size: 16px;
        margin-bottom: 16px;
    }
    
    .shopping-card-description strong {
        font-size: 17px;
    }
    
    .shopping-card-features {
        gap: 20px;
    }
    
    .shopping-feature {
        font-size: 14px;
    }
    
    .shopping-card-rate {
        padding: 20px 28px;
    }
    
    .rate-value {
        font-size: 36px;
    }
    
    .earn-method-featured {
        padding: 20px 24px;
        gap: 16px;
        min-height: 90px;
    }
    
    .earn-method-featured .earn-method-title {
        font-size: 18px;
    }
    
    .earn-method-featured .earn-method-description {
        font-size: 13px;
    }
    
    .earn-method-featured .earn-method-frequency {
        bottom: 16px;
        right: 24px;
        font-size: 11px;
    }
    
    .earn-points-example {
        flex-direction: column;
        text-align: center;
    }
    
    .rewards-showcase,
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-showcase {
        grid-template-columns: 1fr;
    }
    
    .logos-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }
    
    .footer-logo-image {
        margin: 0 auto 15px;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 15px;
    }
    
    /* Final CTA responsive */
    /* Final CTA responsive */
    .final-cta-section {
        padding: 80px 0;
    }
    
    .final-cta-title {
        font-size: 40px;
    }
    
    .final-cta-subtitle {
        font-size: 18px;
    }
    
    .store-buttons {
        gap: 16px;
    }
    
    .store-button {
        padding: 12px 24px;
        min-width: 160px;
    }
    
    .store-button i {
        font-size: 32px;
    }
    
    .store-button-label {
        font-size: 10px;
    }
    
    .store-button-name {
        font-size: 18px;
    }
    

    
    /* Leaf particles - reduce count */
    .leaf-particle {
        width: 16px;
        height: 16px;
    }
    
    .leaf-particle.small {
        width: 12px;
        height: 12px;
    }
    
    .leaf-particle.large {
        width: 20px;
        height: 20px;
    }
    
    .leaf-particle.particle-7,
    .leaf-particle.particle-8 {
        display: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .section {
        padding: 40px 0;
    }
    
    .logo-image {
        height: 32px;
    }
    
    .footer-logo-image {
        height: 40px;
        margin: 0 auto 15px;
    }
    
    .hero-title-big,
    .hero-title-highlight {
        font-size: 28px;
    }
    
    .hero-subtitle {
        font-size: 16px;
        margin-bottom: 24px;
        max-width: 100%;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .hero-stats {
        gap: 12px;
        justify-content: center;
        margin: 24px 0;
    }
    
    .stat-item {
        flex: 1 1 calc(50% - 6px);
        max-width: calc(50% - 6px);
        flex-direction: column;
        align-items: stretch;
        text-align: left;
        width: auto;
        min-width: 0;
        padding: 14px 16px;
        gap: 8px;
    }
    
    .stat-top-row {
        display: flex;
        align-items: center;
        gap: 10px;
    }
    
    .stat-icon-wrapper {
        flex-shrink: 0;
    }
    
    .stat-icon {
        width: 44px;
        height: 44px;
        font-size: 18px;
        border-radius: 12px;
    }
    
    .stat-content {
        flex: 1;
        min-width: 0;
    }
    
    .stat-value {
        font-size: 26px;
    }
    
    .stat-unit {
        font-size: 18px;
    }
    
    .stat-label {
        font-size: 12px;
        margin-top: 4px;
    }
    
    /* 480px以下: インラインのラベルを非表示、下のラベルを表示 */
    .stat-label-inline {
        display: none;
    }
    
    .stat-label-below {
        display: block;
        width: 100%;
        margin-top: 8px;
    }
    
    .stat-sublabel {
        font-size: 10px;
    }
    
    .earn-methods-daily {
        grid-template-columns: 1fr;
    }
    
    .earn-methods-shopping {
        max-width: 100%;
    }
    
    .shopping-card {
        padding: 24px 20px;
        border-radius: 18px;
    }
    
    .shopping-card::before {
        width: 200px;
        height: 200px;
    }
    
    .shopping-card-badge {
        top: 8px;
        right: 20px;
        padding: 6px 16px;
        font-size: 13px;
        z-index: 10;
    }
    
    .shopping-card-main {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .shopping-card-icon {
        width: 72px;
        height: 72px;
        font-size: 32px;
        border-radius: 18px;
        margin: 0 auto;
    }
    
    .shopping-card-title {
        font-size: 22px;
    }
    
    .shopping-card-description {
        font-size: 15px;
        margin-bottom: 14px;
    }
    
    .shopping-card-description strong {
        font-size: 16px;
    }
    
    /* Contact Section - Mobile */
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-form-wrapper {
        padding: 30px 20px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .shopping-card-features {
        justify-content: center;
        gap: 16px;
    }
    
    .shopping-feature {
        font-size: 13px;
    }
    
    .shopping-feature i {
        font-size: 16px;
    }
    
    .shopping-card-rate {
        padding: 18px 24px;
    }
    
    .rate-value {
        font-size: 32px;
    }
    
    .rate-note {
        font-size: 13px;
    }
    
    .earn-method-featured {
        flex-direction: column;
        text-align: center;
        padding: 24px 20px;
        gap: 12px;
        min-height: auto;
    }
    
    .earn-method-featured .earn-method-icon {
        margin-bottom: 0;
    }
    
    .earn-method-featured .earn-method-content {
        flex: none;
    }
    
    .earn-method-featured .earn-method-title {
        font-size: 18px;
        margin-bottom: 8px;
    }
    
    .earn-method-featured .earn-method-description {
        font-size: 14px;
    }
    
    .earn-method-featured .earn-method-points {
        margin-top: 4px;
    }
    
    .earn-method-featured .earn-method-frequency {
        position: static;
        margin-top: 8px;
        font-size: 12px;
    }
    
    .logos-grid {
        grid-template-columns: 1fr;
    }
    
    .example-title {
        font-size: 18px;
    }
    
    .example-text {
        font-size: 14px;
    }
    
    .example-text strong {
        font-size: 20px;
    }
    
    .more-info-box {
        padding: 30px 20px;
    }
    
    .more-info-text {
        font-size: 16px;
    }
    
    /* iPhone mockup small mobile */
    .iphone-mockup {
        max-width: 260px;
    }
    
    .iphone-frame {
        border-radius: 38px;
        padding: 5px;
    }
    
    .iphone-frame::before {
        top: 5px;
        left: 5px;
        right: 5px;
        bottom: 5px;
        border-radius: 33px;
    }
    
    .iphone-dynamic-island {
        width: 88px;
        height: 26px;
        top: 18px;
    }
    
    .iphone-dynamic-island::before {
        width: 7px;
        height: 7px;
        left: 16px;
    }
    
    .iphone-dynamic-island::after {
        width: 20px;
        height: 20px;
        right: 14px;
    }
    
    .iphone-screen {
        border-radius: 33px;
    }
    
    .iphone-screen::before {
        top: 16px;
        width: 45px;
        height: 4px;
    }
    
    .iphone-home-indicator {
        width: 100px;
        height: 3px;
        bottom: 14px;
    }
    
    /* Final CTA small mobile */
    .final-cta-section {
        padding: 60px 0;
    }
    
    .final-cta-title {
        font-size: 32px;
    }
    
    .final-cta-subtitle {
        font-size: 16px;
    }
    
    .store-buttons {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }
    
    .store-button {
        width: 100%;
        max-width: 280px;
        padding: 12px 20px;
        min-width: auto;
    }
    
    .store-button i {
        font-size: 28px;
    }
    
    .store-button-label {
        font-size: 9px;
    }
    
    .store-button-name {
        font-size: 16px;
    }
    
    .final-cta-button i {
        font-size: 20px;
    }
    

    }
    
    .leaf-particle {
        width: 12px;
        height: 12px;
    }
    
    .leaf-particle.small {
        width: 8px;
        height: 8px;
    }
    
    .leaf-particle.large {
        width: 16px;
        height: 16px;
    }
    
    .leaf-particle.particle-5,
    .leaf-particle.particle-6,
    .leaf-particle.particle-7,
    .leaf-particle.particle-8 {
        display: none;
    }
}

/* ===========================================
   Details Page Specific Styles
   =========================================== */

/* Page Header */
.page-header {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-title {
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 15px;
    color: var(--white);
}

.page-subtitle {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 30px;
}

.breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
}

.breadcrumb a {
    color: var(--white);
    text-decoration: none;
    transition: opacity 0.3s;
}

.breadcrumb a:hover {
    opacity: 0.8;
}

/* Concept Section */
.concept-section {
    background: var(--white);
}

.concept-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.concept-card {
    background: var(--bg-light);
    padding: 40px 30px;
    border-radius: 24px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.concept-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.concept-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: var(--white);
}

.concept-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.concept-description {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.8;
}

/* Features Section */
.features-section {
    background: var(--bg-light);
}

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

.feature-item {
    background: var(--white);
    padding: 40px;
    border-radius: 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

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

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--white);
    flex-shrink: 0;
}

.feature-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-dark);
}

.feature-description {
    font-size: 16px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 20px;
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    padding: 10px 0;
    padding-left: 30px;
    position: relative;
    color: var(--text-dark);
    font-size: 15px;
}

.feature-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 18px;
}

/* Partnership Section */
.partnership-section {
    background: var(--white);
}

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

.partnership-card {
    background: var(--bg-light);
    padding: 40px;
    border-radius: 24px;
    transition: transform 0.3s;
}

.partnership-card:hover {
    transform: translateY(-5px);
}

.partnership-badge {
    display: inline-block;
    background: var(--primary-color);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.partnership-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.partnership-description {
    font-size: 16px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 20px;
}

.partnership-benefits {
    list-style: none;
    padding: 0;
}

.partnership-benefits li {
    padding: 12px 0;
    padding-left: 30px;
    position: relative;
    color: var(--text-dark);
    font-size: 15px;
}

.partnership-benefits li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 18px;
}

/* KPI Section */
.kpi-section {
    background: var(--bg-light);
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.kpi-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 24px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.kpi-value {
    font-size: 48px;
    font-weight: 900;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.kpi-label {
    font-size: 16px;
    color: var(--text-dark);
    font-weight: 600;
    margin-bottom: 15px;
}

.kpi-description {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

/* Text Utilities for Details Page */
.text-center {
    text-align: center;
}

.logo-badge {
    display: inline-block;
    margin-left: 10px;
    padding: 4px 12px;
    background: var(--primary-color);
    color: var(--white);
    font-size: 12px;
    font-weight: 600;
    border-radius: 50px;
}

/* Responsive Design for Details Page */
@media (max-width: 768px) {
    .page-title {
        font-size: 32px;
    }
    
    .page-subtitle {
        font-size: 16px;
    }
    
    .concept-grid,
    .features-grid,
    .partnership-grid,
    .kpi-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .page-header {
        padding: 120px 0 60px;
    }
    
    .page-title {
        font-size: 28px;
    }
    
    .kpi-value {
        font-size: 36px;
    }
}

/* Extra small devices */
@media (max-width: 360px) {
    .hero-stats {
        gap: 10px;
        margin: 20px 0;
    }
    
    .stat-item {
        flex: 1 1 calc(50% - 5px);
        max-width: calc(50% - 5px);
        flex-direction: column;
        align-items: stretch;
        min-width: 0;
        padding: 12px 12px;
        gap: 6px;
    }
    
    .stat-top-row {
        display: flex;
        align-items: center;
        gap: 8px;
    }
    
    .stat-icon-wrapper {
        flex-shrink: 0;
    }
    
    .stat-icon {
        width: 40px;
        height: 40px;
        font-size: 16px;
        border-radius: 10px;
    }
    
    .stat-content {
        flex: 1;
        min-width: 0;
    }
    
    .stat-value {
        font-size: 22px;
    }
    
    .stat-unit {
        font-size: 16px;
    }
    
    .stat-label {
        font-size: 10px;
        line-height: 1.2;
        margin-top: 2px;
    }
    
    /* 360px以下: インラインのラベルを非表示、下のラベルを表示 */
    .stat-label-inline {
        display: none;
    }
    
    .stat-label-below {
        display: block;
        width: 100%;
        margin-top: 6px;
    }
    
    .stat-sublabel {
        display: none;
    }
}