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

:root {
    /* Colors */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #ec4899;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-success: linear-gradient(135deg, #4ade80 0%, #22c55e 100%);
    --gradient-warm: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    
    /* Neutrals */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Typography */
    --font-sans: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Outfit', 'Noto Sans JP', sans-serif;
    
    /* Spacing */
    --container-max: 1200px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: var(--font-sans);
    background: var(--gray-50);
    color: var(--gray-900);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===== SECTIONS ===== */
.section {
    min-height: 100vh;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) 0;
    position: relative;
}

.section.active {
    display: flex;
}

/* ===== LANDING SECTION ===== */
#landing {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.background-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.3;
    animation: float 20s ease-in-out infinite;
}

.shape-1 {
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.2);
    top: -100px;
    left: -100px;
    animation-delay: 0s;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: rgba(236, 72, 153, 0.3);
    bottom: -100px;
    right: -100px;
    animation-delay: 5s;
}

.shape-3 {
    width: 300px;
    height: 300px;
    background: rgba(99, 102, 241, 0.3);
    top: 50%;
    right: 10%;
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

.hero {
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    color: var(--white);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
    animation: slideDown 0.6s ease-out;
}

.hero-supervisor {
    display: inline-block;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-md);
    animation: slideDown 0.6s ease-out 0.2s both;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    color: var(--white);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    animation: slideDown 0.6s ease-out 0.2s both;
}

.hero-title .highlight {
    background: linear-gradient(to right, #fbbf24, #f59e0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
    animation: slideDown 0.6s ease-out 0.4s both;
}

.btn-start {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--white);
    color: var(--primary);
    font-size: 1.125rem;
    font-weight: 700;
    padding: 1.25rem 3rem;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-xl);
    animation: slideDown 0.6s ease-out 0.6s both;
}

.btn-start:hover {
    transform: translateY(-4px);
    box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.3);
}

.btn-start:active {
    transform: translateY(-2px);
}

.hero-info {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    animation: slideDown 0.6s ease-out 0.8s both;
}

.info-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.875rem;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== QUIZ SECTION ===== */
#quiz {
    background: var(--gray-50);
}

.quiz-container {
    width: 100%;
    max-width: 800px;
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
}

.quiz-progress {
    margin-bottom: var(--spacing-xl);
}

.progress-bar {
    height: 8px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-text {
    text-align: center;
    font-size: 0.875rem;
    color: var(--gray-600);
    font-weight: 600;
}

.quiz-content {
    min-height: 300px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.quiz-question {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--gray-900);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    line-height: 1.4;
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: var(--spacing-md);
    opacity: 1 !important;
    visibility: visible !important;
}

.quiz-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

.btn-answer {
    flex: 1;
    max-width: 200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xl) var(--spacing-lg);
    border: 3px solid transparent;
    border-radius: var(--radius-lg);
    font-size: 1.125rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    background: var(--white);
}

.btn-answer i {
    font-size: 2.5rem;
}

.btn-yes {
    color: var(--success);
    border-color: var(--success);
}

.btn-yes:hover {
    background: var(--success);
    color: var(--white);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.btn-no {
    color: var(--error);
    border-color: var(--error);
}

.btn-no:hover {
    background: var(--error);
    color: var(--white);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.btn-back {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-xl);
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    color: var(--gray-600);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-back:hover {
    color: var(--primary);
    background: var(--gray-100);
}

/* ===== RESULT SECTION ===== */
#result {
    background: var(--gray-50);
}

.result-container {
    width: 100%;
    max-width: 900px;
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
}

.result-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--gradient-primary);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.result-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 900;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.result-type {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xl);
}

.result-type.online {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
}

.result-type.real {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: var(--white);
}

.result-type.zoom {
    background: linear-gradient(135deg, #4ade80 0%, #22c55e 100%);
    color: var(--white);
}

.result-content {
    margin-bottom: var(--spacing-xl);
}

.result-description {
    font-size: 1.125rem;
    color: var(--gray-700);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--gray-50);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary);
}

.result-characteristics,
.result-suitable {
    margin-bottom: var(--spacing-xl);
}

.result-characteristics h3,
.result-suitable h3,
.result-scores h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.result-characteristics h3 i {
    color: var(--warning);
}

.result-suitable h3 i {
    color: var(--success);
}

.result-scores h3 i {
    color: var(--primary);
}

.characteristics-text {
    font-size: 1.125rem;
    color: var(--gray-700);
    font-weight: 600;
    padding: var(--spacing-md);
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.1) 0%, rgba(245, 158, 11, 0.1) 100%);
    border-radius: var(--radius-md);
}

.suitable-list {
    list-style: none;
    display: grid;
    gap: var(--spacing-sm);
}

.suitable-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    color: var(--gray-700);
}

.suitable-list li::before {
    content: '✓';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--success);
    color: var(--white);
    border-radius: 50%;
    font-weight: 700;
    flex-shrink: 0;
}

.score-bars {
    display: grid;
    gap: var(--spacing-md);
}

.score-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.score-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
}

.score-bar {
    height: 32px;
    background: var(--gray-200);
    border-radius: var(--radius-sm);
    overflow: hidden;
    position: relative;
}

.score-fill {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: var(--spacing-sm);
    color: var(--white);
    font-weight: 700;
    font-size: 0.875rem;
    transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.score-fill.online {
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
}

.score-fill.real {
    background: linear-gradient(90deg, #f093fb 0%, #f5576c 100%);
}

.score-fill.zoom {
    background: linear-gradient(90deg, #4ade80 0%, #22c55e 100%);
}

.result-actions {
    display: none;
}

.btn-share,
.btn-restart {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--radius-full);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}

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

.btn-share:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-restart {
    background: var(--white);
    color: var(--primary);
    border: 2px solid var(--primary);
}

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

/* ===== MORE INFO SECTION ===== */
.result-more-info {
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    border-radius: var(--radius-lg);
    border: 2px solid var(--primary);
}

.more-info-title {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--primary);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    line-height: 1.4;
}

.more-info-text {
    font-size: 1rem;
    color: var(--gray-700);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.btn-more-info {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: 1.25rem 2rem;
    background: var(--gradient-primary);
    color: var(--white);
    text-decoration: none;
    font-size: 1.125rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    margin-top: var(--spacing-md);
}

.btn-more-info:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* ===== MODAL ===== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    max-width: 500px;
    width: 100%;
    position: relative;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    color: var(--gray-600);
}

.modal-close:hover {
    background: var(--gray-200);
    color: var(--gray-900);
}

.modal-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xl);
}

.share-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.share-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    color: var(--white);
}

.share-btn:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

.share-btn.twitter {
    background: #1DA1F2;
}

.share-btn.line {
    background: #06C755;
}

.share-btn.copy {
    background: var(--gray-700);
}

.share-success {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--gradient-success);
    color: var(--white);
    border-radius: var(--radius-sm);
    text-align: center;
    font-weight: 600;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.share-success.show {
    opacity: 1;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .hero-info {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .quiz-container,
    .result-container {
        padding: var(--spacing-lg);
    }
    
    .quiz-buttons {
        flex-direction: column;
    }
    
    .btn-answer {
        max-width: 100%;
    }
    
    .result-actions {
        flex-direction: column;
    }
    
    .btn-share,
    .btn-restart {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .btn-start {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
    
    .quiz-question {
        font-size: 1.25rem;
    }
    
    .result-title {
        font-size: 1.5rem;
    }
}