/* ==============================================
   Modern Sophistication Components
   ============================================== */

/* ==============================================
   Hero Section - Minimalist Elegance
   ============================================== */

.hero {
    position: relative;
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    min-height: 80vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding: var(--space-16) 0;
}

.hero-with-image {
    background: 
        linear-gradient(135deg, 
            rgba(37, 99, 235, 0.85) 0%, 
            rgba(30, 64, 175, 0.8) 30%,
            rgba(59, 130, 246, 0.75) 60%,
            rgba(96, 165, 250, 0.7) 100%),
        url('../../assets/images/PEN-9.jpg') center center/cover;
    background-position: center 20%;
}

@media (max-width: 768px) {
    .hero-with-image {
        background-position: 70% 40%;
    }
}

/* Premium Background Pattern */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(96, 165, 250, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(37, 99, 235, 0.2) 0%, transparent 50%);
    pointer-events: none;
}

/* Animated Background Elements */
.hero::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.05) 50%, transparent 70%);
    animation: shimmer 8s ease-in-out infinite;
    pointer-events: none;
}

@keyframes shimmer {
    0%, 100% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    50% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}


.hero-content {
    position: relative;
    z-index: 2;
    color: #ffffff;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: var(--space-8);
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-2xl);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 
        0 20px 50px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}


/* ==============================================
   Button System - Modern & Sophisticated
   ============================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    border: none;
    border-radius: var(--radius-lg);
    font-weight: var(--font-medium);
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.025em;
}

/* ボタンサイズ */
.btn-small {
    padding: var(--space-3) var(--space-5);
    font-size: var(--text-sm);
}

.btn-default {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
}

.btn-large {
    padding: var(--space-6) var(--space-12);
    font-size: var(--text-xl);
    border-radius: var(--radius-xl);
    font-weight: var(--font-bold);
    letter-spacing: 0.025em;
    min-height: 64px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* セカンダリボタン - Modern Accent */
.btn-secondary {
    background: transparent;
    color: var(--accent-600);
    border: 2px solid var(--accent-600);
    box-shadow: none;
}

.btn-secondary:hover {
    background: var(--accent-600);
    color: var(--text-inverse);
    box-shadow: var(--shadow-glow);
    transform: translateY(-1px);
}

/* CTAボタン - Premium Gradient */
.btn-cta {
    background: linear-gradient(135deg, var(--cta-red-600), var(--cta-red-700));
    color: var(--text-inverse);
    box-shadow: 0 4px 14px rgba(255, 10, 84, 0.25);
    position: relative;
}

.btn-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--cta-red-500), var(--cta-red-600));
    border-radius: inherit;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.btn-cta:hover::before {
    opacity: 1;
}

.btn-cta:hover {
    box-shadow: 0 6px 20px rgba(255, 10, 84, 0.35);
    transform: translateY(-2px);
}

/* アウトラインボタン */
.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-600);
    color: var(--primary-600);
}

.btn-outline:hover {
    background: var(--primary-600);
    color: var(--text-inverse);
}

/* 緊急ボタン - High Impact CTA Design */
.btn-urgent {
    background: linear-gradient(135deg, #ff1744, #d50000);
    color: #ffffff;
    border: none;
    box-shadow: 
        0 8px 25px rgba(255, 23, 68, 0.4),
        inset 0 2px 0 rgba(255, 255, 255, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
    font-weight: var(--font-bold);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.btn-urgent::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #ff5722, #ff1744);
    border-radius: inherit;
    opacity: 0;
    transition: all 0.3s ease;
}

.btn-urgent::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.6s ease;
}

.btn-urgent:hover::before {
    opacity: 1;
}

.btn-urgent:hover::after {
    left: 100%;
}

.btn-urgent:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 
        0 12px 35px rgba(255, 23, 68, 0.5),
        inset 0 2px 0 rgba(255, 255, 255, 0.4),
        0 0 0 1px rgba(255, 255, 255, 0.2);
}

/* ボタングループ */
.btn-group {
    display: flex;
    gap: var(--space-4);
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}

/* ==============================================
   Card System - Refined Minimalism
   ============================================== */

.card {
    background: var(--surface-primary);
    border: none;
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

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

/* 成功カード（緑系） */
.card-success {
    background: linear-gradient(135deg, var(--accent-50), var(--accent-100));
    border-color: var(--accent-300);
    border-left: 4px solid var(--accent-600);
}

/* 警告カード（オレンジ系） */
.card-warning {
    background: linear-gradient(135deg, var(--warning-50), #fef9c3);
    border-color: var(--warning-300);
    border-left: 4px solid var(--warning-600);
}

/* 解決カード */
.card-solution {
    background: linear-gradient(135deg, var(--accent-50), var(--accent-100));
    border: 1px solid var(--accent-300);
    border-left: 4px solid var(--accent-600);
    position: relative;
    padding-right: calc(var(--space-6) + 48px);
}

/* モバイルでホバー効果を無効化 */
.card-solution:hover {
    transform: none;
    box-shadow: var(--shadow-md);
}

.card-solution::before {
    content: '🎯';
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    font-size: var(--text-2xl);
    background: var(--surface-primary);
    padding: var(--space-2);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
}

@media (max-width: 768px) {
    .card-solution {
        padding-right: var(--space-6);
    }
    
    .card-solution::before {
        display: none;
    }
}

/* ソリューションカード（メリット表示用） */
.solution-card {
    background: var(--surface-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.solution-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-300);
}

.solution-card h4 {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--primary-800);
    margin-bottom: var(--space-4);
    text-align: center;
}

.solution-card p {
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
    text-align: center;
}

.solution-card p em {
    font-style: normal;
    font-weight: var(--font-semibold);
    color: var(--text-secondary);
}

@media (max-width: 768px) {
    .solution-card {
        padding: var(--space-6);
    }
}

/* チャレンジカード - Glassmorphism Design */
.challenge-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
    position: relative;
    overflow: hidden;
    box-shadow: 
        0 8px 32px rgba(31, 38, 135, 0.15),
        inset 0 0 0 1px rgba(255, 255, 255, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.challenge-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(to bottom, var(--primary-500), transparent);
    opacity: 0.05;
    pointer-events: none;
}

.challenge-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 
        0 12px 48px rgba(31, 38, 135, 0.2),
        inset 0 0 0 1px rgba(255, 255, 255, 0.2);
}

.challenge-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.challenge-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    color: var(--text-inverse);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    font-weight: var(--font-bold);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
    flex-shrink: 0;
}

.challenge-title {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--primary-800);
    margin: 0;
    line-height: var(--leading-tight);
}

/* ==============================================
   Section Components - Premium Aesthetic
   ============================================== */

.section {
    padding: var(--space-20) 0;
    position: relative;
}

.section-alt {
    background: linear-gradient(to bottom, #fafbfc, #f7f9fb);
    position: relative;
}

.section-alt::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--border-light), transparent);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
    position: relative;
    z-index: 1;
}



/* ==============================================
   Special Components - Elevated Design
   ============================================== */

/* 注目ボックス - Premium Glass Effect */
.attention-box {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(98, 125, 152, 0.1);
    border-radius: var(--radius-2xl);
    padding: var(--space-10);
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: 
        0 10px 40px rgba(98, 125, 152, 0.08),
        inset 0 0 0 1px rgba(255, 255, 255, 0.5);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.attention-box::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    height: 120px;
    background: linear-gradient(135deg, var(--accent-500), var(--primary-500));
    opacity: 0.15;
    filter: blur(40px);
    z-index: -1;
}

.attention-box:hover {
    transform: translateY(-4px);
    box-shadow: 
        0 15px 60px rgba(98, 125, 152, 0.12),
        inset 0 0 0 1px rgba(255, 255, 255, 0.7);
}

/* 実績数字 - Floating Pills */
.achievement-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-600), var(--accent-700));
    color: var(--text-inverse);
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: var(--font-bold);
    margin: var(--space-2);
    box-shadow: 
        0 4px 14px rgba(168, 85, 247, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.achievement-number:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 
        0 6px 20px rgba(168, 85, 247, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}


/* ==============================================
   Navigation Components - Floating Header
   ============================================== */

.nav {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: var(--font-medium);
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-500), var(--accent-600));
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: var(--accent-600);
    background: var(--accent-50);
}

.nav-link:hover::before {
    width: 80%;
}

/* ==============================================
   Form Components - Modern Input Design
   ============================================== */

.form-group {
    margin-bottom: var(--space-8);
}

.form-label {
    display: block;
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-3);
    font-size: var(--text-sm);
    letter-spacing: 0.025em;
}

.form-input {
    width: 100%;
    padding: var(--space-4) var(--space-5);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-lg);
    font-size: var(--text-base);
    transition: all var(--transition-fast);
    background: var(--surface-primary);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.form-input::placeholder {
    color: var(--text-tertiary);
}

.form-input:hover {
    border-color: var(--border-default);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-500);
    box-shadow: 
        0 0 0 4px rgba(168, 85, 247, 0.08),
        0 1px 3px rgba(0, 0, 0, 0.04);
    background: #ffffff;
}

/* ==============================================
   Highlight & Conversion Components
   ============================================== */

/* Hero Badge Special - Modern Pill Design */
.hero-badge-special {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50px;
    padding: var(--space-3) var(--space-6);
    margin: var(--space-6) 0;
    position: relative;
    overflow: hidden;
    animation: pulseGlow 3s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 
            0 0 20px rgba(255, 255, 255, 0.3),
            inset 0 0 20px rgba(255, 255, 255, 0.1);
    }
    50% {
        box-shadow: 
            0 0 30px rgba(255, 255, 255, 0.5),
            inset 0 0 30px rgba(255, 255, 255, 0.2);
    }
}

.hero-badge-special::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 30%,
        rgba(255, 255, 255, 0.1) 50%,
        transparent 70%
    );
    animation: shimmerBadge 4s linear infinite;
}

@keyframes shimmerBadge {
    0% {
        transform: translateX(-100%) translateY(-100%) rotate(45deg);
    }
    100% {
        transform: translateX(100%) translateY(100%) rotate(45deg);
    }
}

.badge-icon {
    font-size: var(--text-xl);
    filter: drop-shadow(0 0 4px rgba(255, 255, 255, 0.5));
}

.badge-text {
    font-weight: var(--font-bold);
    font-size: var(--text-base);
    color: #ffffff;
    letter-spacing: 0.05em;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

/* ==============================================
   モバイル最適化
   ============================================== */

@media (max-width: 768px) {
    .section {
        padding: var(--space-12) 0;
    }
    
    
    .btn-large {
        padding: var(--space-3) var(--space-6);
        font-size: var(--text-base);
    }
    
    .card {
        padding: var(--space-4);
    }
    
    .card-feature {
        padding: var(--space-6);
    }
}