/* ============================================
   マリッジタイプ診断 - Clean Pink & Blue Balance
   ============================================ */

:root {
    /* Color Palette - Pink, Green, Blue Balance */
    --pink: #FF8FAB;
    --pink-light: #FFB8C9;
    --pink-dark: #FF6B8A;
    --pink-bg: #FFF5F7;
    
    --green: #6BCB9E;
    --green-light: #98DFBE;
    --green-dark: #4CAF7A;
    --green-bg: #F0FDF6;
    
    --blue: #64B5F6;
    --blue-light: #90CAF9;
    --blue-dark: #42A5F5;
    --blue-bg: #F0F7FF;
    
    --mint: #4DD0B8;
    --mint-light: #80DECC;
    --mint-bg: #F0FDF9;
    
    --lavender: #B388FF;
    --yellow: #FFD54F;
    --orange: #FFB74D;
    
    /* Neutrals */
    --white: #FFFFFF;
    --gray-50: #FAFBFC;
    --gray-100: #F5F7F9;
    --gray-200: #E8ECF0;
    --gray-300: #D4DBE3;
    --gray-400: #A8B5C4;
    --gray-500: #8494A7;
    --gray-600: #64748B;
    --gray-700: #475569;
    --gray-800: #334155;
    --gray-900: #1E293B;
    
    /* Typography */
    --font-primary: 'Zen Maru Gothic', -apple-system, BlinkMacSystemFont, 'Hiragino Sans', sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-2xl: 40px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
    --shadow-pink: 0 4px 20px rgba(255, 143, 171, 0.3);
    --shadow-blue: 0 4px 20px rgba(100, 181, 246, 0.3);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ============================================
   Base Styles
   ============================================ */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.7;
    color: var(--gray-800);
    background: var(--white);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ============================================
   Typography
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.4;
    color: var(--gray-900);
}

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

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

a:hover {
    color: var(--pink-dark);
}

strong {
    color: var(--blue-dark);
    font-weight: 700;
}

::selection {
    background: rgba(100, 181, 246, 0.3);
    color: var(--gray-900);
}

/* ============================================
   Navigation
   ============================================ */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

.nav.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-logo {
    font-family: var(--font-primary);
    font-weight: 900;
    font-size: 1.25rem;
    color: var(--gray-800);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    transition: transform var(--transition-bounce);
}

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

.nav-logo-icon {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
    z-index: 100;
}

.nav-toggle span {
    width: 24px;
    height: 2.5px;
    background: var(--gray-600);
    border-radius: 2px;
    transition: var(--transition-fast);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-sm);
}

.nav-menu a {
    color: var(--gray-600);
    font-weight: 600;
    font-size: 0.9375rem;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.nav-menu a:hover {
    color: var(--blue-dark);
    background: var(--blue-bg);
}

.nav-menu a.active {
    color: var(--white);
    background: var(--blue);
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
        z-index: 10001;
        position: relative;
    }
    
    .nav-menu {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        width: 100vw !important;
        height: 100vh !important;
        background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%) !important;
        display: flex !important;
        flex-direction: column !important;
        justify-content: center !important;
        align-items: center !important;
        gap: 0 !important;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1), 
                    transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                    visibility 0.4s;
        z-index: 10000 !important;
        padding: 120px var(--space-xl) 80px !important;
        padding-top: max(120px, env(safe-area-inset-top, 0px) + 100px) !important;
        padding-bottom: max(80px, env(safe-area-inset-bottom, 0px) + 60px) !important;
        margin: 0 !important;
        list-style: none !important;
        overflow-y: auto !important;
        -webkit-overflow-scrolling: touch;
        pointer-events: none;
        box-sizing: border-box !important;
    }
    
    .nav-menu.active {
        opacity: 1 !important;
        visibility: visible !important;
        pointer-events: auto !important;
        transform: translateY(0) !important;
    }
    
    .nav-menu li {
        width: 100% !important;
        max-width: 400px !important;
        text-align: center !important;
        margin-bottom: var(--space-lg) !important;
        opacity: 0 !important;
        transform: translateY(20px) !important;
        transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1), 
                    transform 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
        list-style: none !important;
    }
    
    .nav-menu.active li {
        opacity: 1 !important;
        transform: translateY(0) !important;
    }
    
    .nav-menu.active li:nth-child(1) { transition-delay: 0.1s !important; }
    .nav-menu.active li:nth-child(2) { transition-delay: 0.2s !important; }
    .nav-menu.active li:nth-child(3) { transition-delay: 0.3s !important; }
    .nav-menu.active li:nth-child(4) { transition-delay: 0.4s !important; }
    
    .nav-menu a {
        font-size: 1.375rem !important;
        font-weight: 700 !important;
        padding: var(--space-lg) var(--space-2xl) !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        width: 100% !important;
        border-radius: var(--radius-xl) !important;
        transition: all var(--transition-base) !important;
        position: relative !important;
        overflow: hidden !important;
        color: var(--gray-800) !important;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08) !important;
        background: var(--white) !important;
        border: 2px solid var(--gray-200) !important;
        text-decoration: none !important;
        letter-spacing: 0.02em !important;
    }
    
    .nav-menu a::before {
        content: '';
        position: absolute;
        left: 0;
        top: 0;
        bottom: 0;
        width: 4px;
        background: var(--blue);
        transform: scaleY(0);
        transition: transform var(--transition-base);
    }
    
    .nav-menu a:hover,
    .nav-menu a.active {
        background: var(--blue-bg) !important;
        color: var(--blue-dark) !important;
        border-color: var(--blue) !important;
        box-shadow: 0 4px 16px rgba(100, 181, 246, 0.2) !important;
        transform: translateX(4px) !important;
    }
    
    .nav-menu a:hover::before,
    .nav-menu a.active::before {
        transform: scaleY(1);
    }
    
    .nav-menu a:active {
        transform: translateX(2px) scale(0.99) !important;
    }
}

/* ============================================
   Page Container
   ============================================ */

.page {
    display: none;
    min-height: 100vh;
    padding-top: 70px;
}

.page.active {
    display: block;
    animation: pageIn 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 700;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

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

.btn-primary:hover {
    background: var(--pink-dark);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(255, 143, 171, 0.4);
}

.btn-primary:active {
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--white);
    color: var(--gray-700);
    border: 2px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    border-color: var(--blue);
    color: var(--blue-dark);
    background: var(--blue-bg);
    transform: translateY(-2px);
}

.btn-lg {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1.125rem;
    border-radius: var(--radius-xl);
}

.btn-time {
    font-size: 0.75em;
    opacity: 0.9;
    background: rgba(255, 255, 255, 0.25);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    margin-left: var(--space-sm);
}

.btn-share {
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.875rem;
}

.btn-twitter {
    background: #1a1a2e;
    color: var(--white);
}

.btn-twitter:hover {
    background: #16213e;
}

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

.btn-line:hover {
    background: #05a847;
}

.btn-line-official {
    background: #06C755;
    color: var(--white);
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1.125rem;
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 20px rgba(6, 199, 85, 0.3);
}

.btn-line-official:hover {
    background: #05a847;
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(6, 199, 85, 0.4);
}

.line-logo {
    background: var(--white);
    color: #06C755;
    padding: 3px 10px;
    border-radius: 6px;
    font-weight: 900;
    font-size: 0.8em;
    margin-right: var(--space-sm);
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
    min-height: calc(100vh - 70px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-2xl) var(--space-lg);
    position: relative;
    overflow: hidden;
    background: var(--white);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #f9f9f9 url('images/top_background.png') center center / cover no-repeat;
}

@media (max-width: 768px) {
    .hero-bg {
        background: #f9f9f9 url('images/phone_top_background.png') center center / cover no-repeat;
    }
    
    .hero-bg::after {
        background: rgba(255, 255, 255, 0.65);
    }
    
    .hero-content {
        background: rgba(255, 255, 255, 0.85);
        padding: var(--space-xl);
        border-radius: var(--radius-2xl);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    }
    
    .hero-title-sub {
        color: var(--gray-800);
        text-shadow: none;
    }
    
    .hero-title-main {
        color: var(--gray-900);
        text-shadow: none;
    }
    
    .hero-subtitle {
        color: var(--blue-dark);
        text-shadow: none;
    }
    
    .hero-description {
        color: var(--gray-700);
        text-shadow: none;
    }
    
    .btn-primary {
        box-shadow: 0 4px 20px rgba(255, 143, 171, 0.5);
    }
    
    .hero-feature {
        background: rgba(255, 255, 255, 1);
        box-shadow: var(--shadow-md);
    }
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.3);
}

.hero-content {
    max-width: 650px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--green);
    color: var(--white);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 700;
    margin-bottom: var(--space-xl);
    box-shadow: 0 4px 20px rgba(107, 203, 158, 0.3);
}

.hero-badge svg {
    width: 16px;
    height: 16px;
}

.hero-title {
    margin-bottom: var(--space-lg);
}

.hero-title-sub {
    display: block;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-700);
    margin-bottom: var(--space-sm);
    text-shadow: 0 1px 3px rgba(255, 255, 255, 0.8);
}

.hero-title-main {
    display: block;
    font-family: var(--font-primary);
    font-weight: 900;
    font-size: clamp(3rem, 12vw, 5rem);
    color: var(--gray-900);
    line-height: 1.2;
    letter-spacing: 0.02em;
    text-shadow: 0 2px 8px rgba(255, 255, 255, 0.9), 0 4px 16px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
    font-size: 1.625rem;
    font-weight: 700;
    color: var(--blue-dark);
    margin-bottom: var(--space-lg);
    text-shadow: 0 1px 4px rgba(255, 255, 255, 0.9);
}

.hero-description {
    color: var(--gray-700);
    margin-bottom: var(--space-2xl);
    font-size: 1.0625rem;
    line-height: 1.9;
    font-weight: 500;
    text-shadow: 0 1px 3px rgba(255, 255, 255, 0.8);
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
    flex-wrap: wrap;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--gray-600);
    font-size: 0.9375rem;
    font-weight: 600;
    padding: var(--space-sm) var(--space-md);
    background: var(--white);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

.hero-feature:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.hero-feature:nth-child(1) {
    border-color: var(--pink-light);
}

.hero-feature:nth-child(2) {
    border-color: var(--green-light);
}

.hero-feature:nth-child(3) {
    border-color: var(--blue-light);
}

.hero-feature-icon {
    width: 24px;
    height: 24px;
}

.hero-feature:nth-child(1) .hero-feature-icon { color: var(--pink); }
.hero-feature:nth-child(2) .hero-feature-icon { color: var(--green); }
.hero-feature:nth-child(3) .hero-feature-icon { color: var(--blue); }

.hero-feature-icon svg {
    width: 24px;
    height: 24px;
}

.hero-visual {
    display: none;
}

.floating-cards {
    position: relative;
    width: 220px;
    height: 220px;
}

.floating-card {
    position: absolute;
    width: 80px;
    height: 80px;
    background: var(--white);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    animation: floatCard 5s ease-in-out infinite;
    transition: transform var(--transition-base);
    border: 2px solid var(--gray-100);
}

.floating-card svg {
    width: 48px;
    height: 48px;
}

.floating-card:hover {
    transform: scale(1.15) !important;
}

.card-1 { top: 0; left: 50%; transform: translateX(-50%); animation-delay: 0s; border-color: var(--pink-light); }
.card-2 { top: 45%; left: 0; animation-delay: 0.8s; border-color: var(--green-light); }
.card-3 { top: 45%; right: 0; animation-delay: 1.6s; border-color: var(--blue-light); }
.card-4 { bottom: 0; left: 50%; transform: translateX(-50%); animation-delay: 2.4s; border-color: var(--green-light); }

@keyframes floatCard {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-12px) rotate(3deg); }
    75% { transform: translateY(8px) rotate(-2deg); }
}

.card-1 { animation-name: floatCard1; }
@keyframes floatCard1 {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-15px); }
}

.card-4 { animation-name: floatCard4; }
@keyframes floatCard4 {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-12px); }
}

/* ============================================
   Quiz Styles
   ============================================ */

.quiz-container {
    max-width: 720px;
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-lg);
}

.quiz-progress {
    margin-bottom: var(--space-xl);
    background: var(--white);
    padding: var(--space-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
}

.quiz-progress-bar {
    height: 12px;
    background: var(--gray-100);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.quiz-progress-fill {
    height: 100%;
    background: var(--green);
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
    width: 0%;
}

.quiz-progress-text {
    text-align: center;
    margin-top: var(--space-md);
    color: var(--gray-600);
    font-weight: 600;
    font-size: 1rem;
}

.quiz-progress-text span:first-child {
    color: var(--green-dark);
    font-size: 1.375rem;
    font-weight: 700;
}

.quiz-page-indicator {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.page-dot {
    width: 40px;
    height: 8px;
    border-radius: var(--radius-full);
    background: var(--gray-200);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.page-dot::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--green);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.page-dot.active::before {
    transform: scaleX(1);
}

.page-dot.completed {
    background: var(--green-light);
}

/* Question Card */
.question-card {
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: var(--space-2xl);
    margin-bottom: var(--space-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    animation: cardSlideIn 0.5s cubic-bezier(0.4, 0, 0.2, 1) both;
    position: relative;
    overflow: hidden;
    scroll-margin-top: 100px;
}

.question-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--green);
}

@keyframes cardSlideIn {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.question-card:nth-child(1) { animation-delay: 0s; }
.question-card:nth-child(2) { animation-delay: 0.1s; }
.question-card:nth-child(3) { animation-delay: 0.2s; }
.question-card:nth-child(4) { animation-delay: 0.3s; }
.question-card:nth-child(5) { animation-delay: 0.4s; }

.question-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--green);
    color: var(--white);
    padding: var(--space-xs) var(--space-lg);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 700;
    margin-bottom: var(--space-lg);
}

.question-text {
    font-size: 1.1875rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}

.answer-options {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

/* Vertical Answer Labels */
.answer-labels-vertical {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.answer-label-row {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.answer-label-letter {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 0.875rem;
    color: var(--white);
}

.answer-label-letter.pink {
    background: var(--pink);
}

.answer-label-letter.blue {
    background: var(--blue);
}

.answer-label-text {
    font-size: 0.9375rem;
    color: var(--gray-700);
    font-weight: 600;
    line-height: 1.6;
    padding-top: 2px;
}

/* Heart Scale */
.answer-scale-hearts {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-lg) var(--space-md);
    background: var(--gray-50);
    border-radius: var(--radius-xl);
}

.scale-label-outside {
    font-weight: 900;
    font-size: 1.25rem;
    width: 32px;
    text-align: center;
}

.scale-label-outside.pink {
    color: var(--pink);
}

.scale-label-outside.blue {
    color: var(--blue);
}

.heart-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
}

.heart-option {
    border: none;
    background: transparent;
    cursor: pointer;
    transition: all var(--transition-bounce);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
}

.heart-option svg {
    transition: all var(--transition-bounce);
}

/* Heart Sizes - smaller in middle, larger at ends */
.heart-option.small svg {
    width: 28px;
    height: 28px;
}

.heart-option.medium svg {
    width: 38px;
    height: 38px;
}

.heart-option.large svg {
    width: 50px;
    height: 50px;
}

/* Heart Colors */
.heart-option.pink {
    color: #FFE0E8;
}

.heart-option.blue {
    color: #D6EBFC;
}

.heart-option.pink:hover {
    color: var(--pink);
    transform: scale(1.15);
}

.heart-option.blue:hover {
    color: var(--blue);
    transform: scale(1.15);
}

/* Selected State */
.heart-option.selected {
    transform: scale(1.2);
}

.heart-option.pink.selected {
    color: var(--pink);
    filter: drop-shadow(0 4px 12px rgba(255, 143, 171, 0.5));
}

.heart-option.blue.selected {
    color: var(--blue);
    filter: drop-shadow(0 4px 12px rgba(100, 181, 246, 0.5));
}

/* Quiz Navigation */
.quiz-navigation {
    display: flex;
    justify-content: space-between;
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.quiz-navigation .btn {
    flex: 1;
    max-width: 220px;
}

#prev-btn:disabled,
#next-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* ============================================
   Result Styles
   ============================================ */

.result-container {
    max-width: 850px;
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-lg);
}

.result-header {
    text-align: center;
    padding: var(--space-4xl) var(--space-xl);
    background: var(--white);
    border-radius: var(--radius-2xl);
    margin-bottom: var(--space-2xl);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--gray-200);
}

.result-confetti {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle, var(--pink) 3px, transparent 3px),
        radial-gradient(circle, var(--blue) 2px, transparent 2px),
        radial-gradient(circle, var(--pink-light) 2.5px, transparent 2.5px),
        radial-gradient(circle, var(--blue-light) 2px, transparent 2px);
    background-size: 60px 60px, 80px 80px, 70px 70px, 90px 90px;
    background-position: 0 0, 30px 30px, 15px 50px, 50px 20px;
    opacity: 0.1;
    animation: confettiDance 30s linear infinite;
}

@keyframes confettiDance {
    from { background-position: 0 0, 30px 30px, 15px 50px, 50px 20px; }
    to { background-position: 60px 60px, 110px 110px, 85px 120px, 140px 110px; }
}

.result-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: var(--green);
}

.result-label {
    color: var(--gray-500);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.result-label svg {
    color: var(--yellow);
}

.result-type-reveal {
    position: relative;
}

.result-emoji {
    width: 320px;
    height: 320px;
    margin: 0 auto var(--space-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: emojiReveal 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 0.3s both;
}

.result-emoji svg {
    width: 320px;
    height: 320px;
}

.result-emoji img {
    width: 320px;
    height: 320px;
    object-fit: contain;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
}

@keyframes emojiReveal {
    0% { 
        transform: scale(0) rotate(-30deg); 
        opacity: 0;
    }
    50% { 
        transform: scale(1.3) rotate(10deg); 
    }
    100% { 
        transform: scale(1) rotate(0deg); 
        opacity: 1;
    }
}

.result-name {
    font-family: var(--font-primary);
    font-weight: 900;
    font-size: clamp(2rem, 7vw, 3rem);
    color: var(--gray-800);
    margin-bottom: var(--space-md);
}

.result-code {
    display: inline-block;
    background: var(--green-bg);
    padding: var(--space-sm) var(--space-xl);
    border-radius: var(--radius-full);
    font-family: var(--font-primary);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--green-dark);
    letter-spacing: 0.15em;
    border: 2px solid var(--green);
}

.result-keywords {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-2xl);
}

.result-keyword {
    background: var(--white);
    color: var(--green-dark);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    font-size: 0.9375rem;
    font-weight: 700;
    border: 2px solid var(--green);
}

.result-section {
    margin-bottom: var(--space-2xl);
}

.result-section-title {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    font-size: 1.375rem;
    color: var(--gray-800);
}

.result-section-icon {
    width: 28px;
    height: 28px;
    color: var(--green);
}

.result-card {
    background: var(--white);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    line-height: 1.9;
    font-size: 1.0625rem;
}

.result-card p {
    margin-bottom: var(--space-md);
    color: var(--gray-700);
}

.result-card p:last-child {
    margin-bottom: 0;
}

/* Result Catchphrase */
.result-catchphrase {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--pink-dark);
    margin-bottom: var(--space-lg);
    padding: var(--space-md) var(--space-lg);
    background: linear-gradient(135deg, var(--pink-bg) 0%, var(--blue-bg) 100%);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--pink);
    line-height: 1.6;
}

/* Result Traits */
.result-traits {
    margin-bottom: var(--space-xl);
}

.result-traits h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.result-traits .traits-icon {
    width: 24px;
    height: 24px;
    color: var(--yellow);
    stroke: var(--orange);
    fill: var(--yellow);
    flex-shrink: 0;
}

.result-traits ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: var(--space-sm);
}

.result-traits li {
    padding: var(--space-sm) var(--space-md);
    background: var(--gray-50);
    border-radius: var(--radius-sm);
    color: var(--gray-700);
    font-size: 1rem;
    line-height: 1.6;
    position: relative;
    padding-left: 2.5rem;
}

.result-traits li::before {
    content: '•';
    position: absolute;
    left: var(--space-md);
    top: var(--space-sm);
    color: var(--green);
    font-size: 1.5rem;
    line-height: 1;
}

/* Result Cases */
.result-cases {
    display: grid;
    gap: var(--space-lg);
}

.result-case {
    background: var(--white);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    border-left: 4px solid var(--green);
}

.result-case-title {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 700;
    font-size: 1.125rem;
    margin-bottom: var(--space-md);
    color: var(--gray-800);
}

.result-case-icon {
    width: 24px;
    height: 24px;
    color: var(--green);
}

.result-case p {
    color: var(--gray-600);
    font-size: 1rem;
    line-height: 1.85;
    margin-bottom: 0;
}

/* Result Compatibility */
.result-compatibility {
    display: grid;
    gap: var(--space-lg);
}

.compatibility-card {
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
    background: var(--white);
}

.compatibility-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
}

.compatibility-card.good {
    border: 1px solid var(--pink);
}

.compatibility-card.good::before {
    background: var(--pink);
}

.compatibility-card.bad {
    border: 1px solid var(--blue);
}

.compatibility-card.bad::before {
    background: var(--blue);
}

.compatibility-header {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.compatibility-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 700;
    align-self: flex-start;
}

.compatibility-character {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.compatibility-character-image {
    width: 80px;
    height: 80px;
    flex-shrink: 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    background: var(--gray-50);
    display: flex;
    align-items: center;
    justify-content: center;
}

.compatibility-character-image img {
    width: 80px;
    height: 80px;
    object-fit: contain;
}

.compatibility-card.good .compatibility-badge {
    background: var(--pink);
    color: var(--white);
}

.compatibility-card.bad .compatibility-badge {
    background: var(--blue);
    color: var(--white);
}

.compatibility-type {
    font-weight: 700;
    color: var(--gray-800);
    font-size: 1.0625rem;
}

.compatibility-card p {
    color: var(--gray-600);
    font-size: 1rem;
    line-height: 1.85;
    margin-bottom: 0;
}

.compatibility-advice {
    margin-top: var(--space-md) !important;
    padding: var(--space-md) var(--space-lg);
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.1) 0%, rgba(255, 152, 0, 0.1) 100%);
    border-left: 4px solid #ff9800;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    color: var(--gray-700) !important;
    font-size: 0.9375rem !important;
    font-weight: 500;
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
}

.compatibility-advice-icon {
    flex-shrink: 0;
    color: #ff9800;
    margin-top: 2px;
}

/* Result Actions */
.result-actions {
    text-align: center;
    padding-top: var(--space-xl);
}

.result-actions .btn {
    margin: var(--space-sm);
}

.share-buttons {
    margin-top: var(--space-xl);
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* ============================================
   Theory Page
   ============================================ */

.theory-container {
    max-width: 920px;
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-lg);
}

.theory-hero {
    text-align: center;
    padding: var(--space-4xl) 0;
}

.theory-title {
    font-family: var(--font-primary);
    font-weight: 900;
    font-size: clamp(2.25rem, 7vw, 3.25rem);
    color: var(--gray-800);
    margin-bottom: var(--space-lg);
}

.theory-subtitle {
    font-size: 1.1875rem;
    color: var(--gray-600);
    font-weight: 500;
}

.theory-section {
    margin-bottom: var(--space-3xl);
}

.theory-section-title {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 1.625rem;
    margin-bottom: var(--space-xl);
    color: var(--gray-800);
}

.theory-icon {
    width: 32px;
    height: 32px;
    color: var(--green);
}

.theory-card {
    background: var(--white);
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    line-height: 2;
    font-size: 1.0625rem;
}

.theory-card p {
    margin-bottom: var(--space-md);
    color: var(--gray-700);
}

.theory-card p:last-child {
    margin-bottom: 0;
}

.theory-card-highlight {
    background: var(--green-bg);
    border-color: var(--green-light);
}

.theory-goal {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--green-dark);
    line-height: 1.6;
}

/* Theory Axis */
.theory-axis {
    background: var(--white);
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--space-lg);
    border: 1px solid var(--gray-200);
}

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

.theory-axis-badge {
    background: var(--green);
    color: var(--white);
    padding: var(--space-xs) var(--space-lg);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    min-width: 3rem;
    text-align: center;
    display: inline-block;
}

.theory-axis-header h3 {
    font-size: 1.1875rem;
}

.theory-axis-content {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.theory-axis-type {
    text-align: center;
}

.axis-label {
    display: inline-block;
    padding: var(--space-sm) var(--space-xl);
    border-radius: var(--radius-full);
    font-weight: 700;
    margin-bottom: var(--space-md);
    font-size: 0.9375rem;
}

/* 対比構造: 左=ピンク, 右=ブルー */
.type-d { background: var(--pink-bg); color: var(--pink-dark); border: 2px solid var(--pink); }
.type-s { background: var(--blue-bg); color: var(--blue-dark); border: 2px solid var(--blue); }
.type-p { background: var(--pink-bg); color: var(--pink-dark); border: 2px solid var(--pink); }
.type-f { background: var(--blue-bg); color: var(--blue-dark); border: 2px solid var(--blue); }
.type-t { background: var(--pink-bg); color: var(--pink-dark); border: 2px solid var(--pink); }
.type-i { background: var(--blue-bg); color: var(--blue-dark); border: 2px solid var(--blue); }
.type-n { background: var(--pink-bg); color: var(--pink-dark); border: 2px solid var(--pink); }
.type-c { background: var(--blue-bg); color: var(--blue-dark); border: 2px solid var(--blue); }

.theory-axis-type p {
    font-size: 0.9375rem;
    color: var(--gray-600);
    margin-bottom: 0;
    line-height: 1.6;
}

.theory-axis-vs {
    font-size: 1.75rem;
    color: var(--gray-300);
    font-weight: 900;
}

/* Theory Features */
.theory-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-xl);
}

.theory-feature {
    background: var(--white);
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    border: 1px solid var(--gray-200);
}

.theory-feature {
    border-top: 4px solid var(--green);
}

.theory-feature-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto var(--space-lg);
}

.theory-feature h4 {
    font-size: 1.0625rem;
    margin-bottom: var(--space-sm);
}

.theory-feature p {
    font-size: 0.9375rem;
    color: var(--gray-600);
    margin-bottom: 0;
    line-height: 1.7;
}

.theory-cta {
    text-align: center;
    padding: var(--space-3xl) 0;
}

/* ============================================
   Characters Page
   ============================================ */

.characters-container {
    max-width: 1240px;
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-lg);
}

.characters-header {
    text-align: center;
    padding: var(--space-2xl) 0 var(--space-3xl);
}

.characters-title {
    font-family: var(--font-primary);
    font-weight: 900;
    font-size: clamp(2.25rem, 7vw, 3.25rem);
    color: var(--gray-800);
    margin-bottom: var(--space-md);
}

.characters-subtitle {
    font-size: 1.1875rem;
    color: var(--gray-600);
}

.characters-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-2xl);
}

.filter-btn {
    padding: var(--space-sm) var(--space-xl);
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-full);
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 0.9375rem;
    color: var(--gray-600);
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.filter-btn:hover {
    border-color: var(--green);
    color: var(--green-dark);
}

.filter-btn.active {
    background: var(--green);
    border-color: var(--green);
    color: var(--white);
    box-shadow: 0 4px 20px rgba(107, 203, 158, 0.3);
}

.characters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-xl);
}

/* Character Card */
.character-card {
    background: var(--white);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    border: 1px solid var(--gray-200);
}

.character-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.character-card-header {
    padding: var(--space-3xl) var(--space-lg) var(--space-2xl);
    text-align: center;
}

.character-card-header.cat-dp { background: var(--blue); }
.character-card-header.cat-sp { background: var(--mint); }
.character-card-header.cat-df { background: var(--pink); }
.character-card-header.cat-sf { background: var(--lavender); }

.character-card-emoji {
    width: 160px;
    height: 160px;
    margin: 0 auto var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.25));
    transition: transform var(--transition-bounce);
}

.character-card-emoji svg {
    width: 160px;
    height: 160px;
}

.character-card-emoji img {
    width: 160px;
    height: 160px;
    object-fit: contain;
    border-radius: var(--radius-xl);
    transition: var(--transition-bounce);
    box-shadow: var(--shadow-lg);
}

.character-card:hover .character-card-emoji {
    transform: scale(1.15) rotate(-5deg);
}

.character-card-name {
    color: var(--white);
    font-size: 1.375rem;
    font-weight: 900;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.character-card-body {
    padding: var(--space-xl);
}

.character-card-code {
    display: inline-block;
    background: var(--gray-100);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-family: var(--font-primary);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--gray-600);
    letter-spacing: 0.1em;
    margin-bottom: var(--space-sm);
}

.character-card-category {
    font-size: 0.8125rem;
    color: var(--gray-500);
    margin-bottom: var(--space-md);
    font-weight: 500;
}

.character-card-keywords {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.character-card-keyword {
    background: var(--gray-100);
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    color: var(--gray-600);
    font-weight: 600;
}

/* ============================================
   Character Detail Page
   ============================================ */

.character-detail-container {
    max-width: 920px;
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-lg);
}

.character-detail-back {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--gray-600);
    font-weight: 600;
    margin-bottom: var(--space-xl);
    cursor: pointer;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.character-detail-back:hover {
    color: var(--blue-dark);
    background: var(--blue-bg);
}

.character-detail-header {
    text-align: center;
    padding: var(--space-4xl) var(--space-xl);
    border-radius: var(--radius-2xl);
    margin-bottom: var(--space-2xl);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.character-detail-header.cat-dp { background: var(--blue); }
.character-detail-header.cat-sp { background: var(--mint); }
.character-detail-header.cat-df { background: var(--pink); }
.character-detail-header.cat-sf { background: var(--lavender); }

.character-detail-emoji {
    width: 360px;
    height: 360px;
    margin: 0 auto var(--space-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.3));
}

.character-detail-emoji svg {
    width: 360px;
    height: 360px;
}

.character-detail-emoji img {
    width: 360px;
    height: 360px;
    object-fit: contain;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
}

.character-detail-name {
    font-family: var(--font-primary);
    font-weight: 900;
    font-size: clamp(2.25rem, 7vw, 3.5rem);
    margin-bottom: var(--space-md);
    text-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    color: var(--white);
}

.character-detail-code {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: var(--space-sm) var(--space-xl);
    border-radius: var(--radius-full);
    font-family: var(--font-primary);
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    backdrop-filter: blur(10px);
}

.character-detail-category {
    margin-top: var(--space-md);
    opacity: 0.95;
    font-weight: 500;
}

/* Download Section */
.download-section {
    margin-bottom: var(--space-2xl);
}

.download-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xl);
    text-align: center;
}

@media (min-width: 600px) {
    .download-card {
        flex-direction: row;
        text-align: left;
    }
}

.download-preview {
    flex-shrink: 0;
    width: 200px;
    height: 200px;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    border: 2px solid var(--gray-200);
}

.download-preview img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.download-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
}

@media (min-width: 600px) {
    .download-info {
        align-items: flex-start;
    }
}

.download-description {
    color: var(--gray-600);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 0;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    background: var(--green);
    color: var(--white);
    box-shadow: 0 4px 20px rgba(107, 203, 158, 0.3);
    text-decoration: none;
}

.btn-download:hover {
    background: var(--green-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(107, 203, 158, 0.4);
    color: var(--white);
}

.btn-download svg {
    flex-shrink: 0;
}

.character-detail-cta {
    text-align: center;
    padding: var(--space-3xl) 0;
}

/* ============================================
   Contact Page
   ============================================ */

.contact-container {
    max-width: 720px;
    margin: 0 auto;
    padding: var(--space-4xl) var(--space-lg);
}

.contact-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.contact-title {
    font-family: var(--font-primary);
    font-weight: 900;
    font-size: clamp(2.25rem, 7vw, 3.25rem);
    color: var(--gray-800);
    margin-bottom: var(--space-md);
}

.contact-subtitle {
    font-size: 1.1875rem;
    color: var(--gray-600);
}

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

.line-card {
    background: var(--white);
    padding: var(--space-3xl);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    text-align: center;
    border: 3px solid #06C755;
    position: relative;
}

.line-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: #06C755;
    border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
}

.line-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto var(--space-xl);
}

.line-card h2 {
    font-size: 1.625rem;
    margin-bottom: var(--space-lg);
}

.line-card p {
    color: var(--gray-600);
    margin-bottom: var(--space-xl);
    font-size: 1.0625rem;
    line-height: 1.8;
}

.contact-info {
    background: var(--gray-50);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
}

.contact-info h3 {
    font-size: 1.0625rem;
    margin-bottom: var(--space-lg);
    color: var(--gray-700);
}

.contact-info ul {
    list-style: none;
}

.contact-info li {
    padding: var(--space-md) 0;
    color: var(--gray-600);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 1rem;
    border-bottom: 1px solid var(--gray-200);
}

.contact-info li:last-child {
    border-bottom: none;
}

.contact-info li svg {
    color: var(--mint);
    flex-shrink: 0;
}

/* ============================================
   Footer
   ============================================ */

.footer {
    background: var(--gray-900);
    color: var(--gray-400);
    padding: var(--space-3xl) var(--space-lg);
    margin-top: var(--space-4xl);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--green);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer-logo {
    font-family: var(--font-primary);
    font-weight: 900;
    font-size: 1.375rem;
    color: var(--white);
    margin-bottom: var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.footer-logo-icon {
    width: 20px;
    height: 20px;
    object-fit: contain;
}

.footer-nav {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
}

.footer-nav a {
    color: var(--gray-400);
    font-size: 0.9375rem;
    font-weight: 500;
}

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

.footer-copyright {
    font-size: 0.8125rem;
    color: var(--gray-500);
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 768px) {
    .hero {
        padding: var(--space-xl) var(--space-md);
    }
    
    .hero-features {
        gap: var(--space-sm);
    }
    
    .quiz-container,
    .result-container,
    .theory-container,
    .characters-container,
    .contact-container {
        padding: var(--space-lg) var(--space-md);
    }
    
    .question-card {
        padding: var(--space-xl);
    }
    
    .heart-option.small svg {
        width: 24px;
        height: 24px;
    }

    .heart-option.medium svg {
        width: 32px;
        height: 32px;
    }

    .heart-option.large svg {
        width: 42px;
        height: 42px;
    }

    .scale-label-outside {
        font-size: 1rem;
        width: 24px;
    }

    .answer-scale-hearts {
        padding: var(--space-md) var(--space-sm);
    }
    
    .quiz-navigation {
        flex-direction: column;
    }
    
    .quiz-navigation .btn {
        max-width: 100%;
    }
    
    .theory-axis-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-md);
    }
    
    .theory-axis-vs {
        transform: rotate(90deg);
        font-size: 1.25rem;
    }
    
    .characters-grid {
        grid-template-columns: 1fr;
    }
    
    .result-actions .btn {
        display: block;
        width: 100%;
        margin: var(--space-sm) 0;
    }
    
    .share-buttons {
        flex-direction: column;
    }
    
    .share-buttons .btn {
        width: 100%;
    }
    
    /* Character Detail Page - Mobile Fixes */
    .character-detail-container {
        padding: var(--space-lg) var(--space-md);
    }
    
    .character-detail-header {
        padding: var(--space-2xl) var(--space-md);
        border-radius: var(--radius-xl);
    }
    
    .character-detail-emoji {
        width: 200px;
        height: 200px;
        margin-bottom: var(--space-lg);
    }
    
    .character-detail-emoji svg,
    .character-detail-emoji img {
        width: 200px;
        height: 200px;
    }
    
    .character-detail-name {
        font-size: 1.75rem;
    }
    
    .character-detail-code {
        font-size: 1rem;
        padding: var(--space-xs) var(--space-lg);
    }
    
    /* Result Page - Mobile Fixes */
    .result-emoji {
        width: 200px;
        height: 200px;
    }
    
    .result-emoji svg,
    .result-emoji img {
        width: 200px;
        height: 200px;
    }
    
    .result-header {
        padding: var(--space-2xl) var(--space-md);
    }
    
    /* Navigation - Mobile Menu Fixes */
    .nav-container {
        padding: 0 var(--space-md);
        height: 60px;
    }
    
    .nav-logo {
        font-size: 1rem;
    }
    
    .nav-logo-icon {
        width: 20px;
        height: 20px;
    }
    
    /* Page padding adjustment for smaller nav */
    .page {
        padding-top: 60px;
    }
    
    /* Compatibility character images on mobile */
    .compatibility-character {
        gap: var(--space-sm);
    }
    
    .compatibility-character-image {
        width: 60px;
        height: 60px;
    }
    
    .compatibility-character-image img {
        width: 60px;
        height: 60px;
    }
}

/* Extra small screens */
@media (max-width: 375px) {
    .character-detail-emoji {
        width: 160px;
        height: 160px;
    }
    
    .character-detail-emoji svg,
    .character-detail-emoji img {
        width: 160px;
        height: 160px;
    }
    
    .result-emoji {
        width: 160px;
        height: 160px;
    }
    
    .result-emoji svg,
    .result-emoji img {
        width: 160px;
        height: 160px;
    }
    
    .character-detail-name {
        font-size: 1.5rem;
    }
    
    .nav-logo {
        font-size: 0.875rem;
    }
    
    .nav-menu a {
        font-size: 1rem;
    }
}

/* ============================================
   Utilities
   ============================================ */

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

button:focus-visible,
a:focus-visible {
    outline: 3px solid var(--green);
    outline-offset: 2px;
}