/* ========================================
   基本設定
   ======================================== */
:root {
    /* 色のメリハリを強化したカラーパレット */
    --primary-dark: #0a1628;      /* 深いネイビー */
    --primary-navy: #1a2d4d;      /* ネイビー */
    --primary-blue: #2a4a7f;      /* ブルー */
    
    /* 鮮やかなアクセントカラー */
    --accent-gold: #ffa500;       /* 鮮やかなオレンジゴールド */
    --accent-bright: #ff8c00;     /* 明るいオレンジ */
    --accent-yellow: #ffd700;     /* 鮮やかなイエロー */
    
    /* サポートカラー */
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --gray: #6c757d;
    --dark-gray: #343a40;
    
    /* グラデーション */
    --gradient-hero: linear-gradient(135deg, #0a1628 0%, #1a2d4d 50%, #2a4a7f 100%);
    --gradient-accent: linear-gradient(135deg, #ff8c00 0%, #ffa500 50%, #ffd700 100%);
    
    /* 影効果 */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    --shadow-accent: 0 4px 20px rgba(255, 165, 0, 0.3);
    
    /* フォント */
    --font-main: 'Noto Sans JP', sans-serif;
    --font-accent: 'Noto Serif JP', serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    line-height: 1.8;
    color: var(--dark-gray);
    background: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 100px 0;
}

.bg-light {
    background: var(--light-gray);
}

/* ========================================
   スクロール進捗バー
   ======================================== */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 4px;
    background: var(--gradient-accent);
    width: 0%;
    z-index: 9999;
    transition: width 0.2s ease;
    box-shadow: 0 0 20px rgba(255, 165, 0, 0.6);
}

/* ========================================
   ヘッダー
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all 0.3s ease;
}

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

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 4px;
}

.logo-sub {
    font-size: 0.75rem;
    color: var(--gray);
    letter-spacing: 0.5px;
}

.header-nav {
    display: flex;
    gap: 20px;
    align-items: center;
}

.header-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-gold);
    font-weight: 600;
    font-size: 1.1rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.header-phone:hover {
    color: var(--accent-bright);
    transform: scale(1.05);
}

.header-phone i {
    font-size: 1rem;
}

/* ========================================
   ボタン
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(255, 165, 0, 0.5);
}

.btn-secondary {
    background: var(--white);
    color: var(--accent-gold);
    border: 2px solid var(--accent-gold);
}

.btn-secondary:hover {
    background: var(--accent-gold);
    color: var(--white);
    transform: translateY(-2px);
}

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

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

.btn-header {
    padding: 10px 24px;
    font-size: 0.9rem;
}

.btn-large {
    padding: 18px 48px;
    font-size: 1.1rem;
}

/* ========================================
   ヒーローセクション
   ======================================== */
.hero {
    position: relative;
    padding: 180px 0 120px;
    background: var(--gradient-hero);
    color: var(--white);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 165, 0, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 215, 0, 0.1) 0%, transparent 50%);
    opacity: 0.8;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: rgba(255, 165, 0, 0.2);
    border: 2px solid var(--accent-gold);
    border-radius: 50px;
    color: var(--accent-yellow);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 40px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(255, 165, 0, 0.4);
    }
    50% {
        box-shadow: 0 0 0 15px rgba(255, 165, 0, 0);
    }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 30px;
    line-height: 1.3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.title-accent {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 4px 8px rgba(255, 165, 0, 0.4));
}

.title-plus {
    font-size: 2.5rem;
    color: var(--accent-yellow);
    text-shadow: 0 0 20px rgba(255, 215, 0, 0.8);
}

.hero-catch {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent-yellow);
    margin-bottom: 20px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-description {
    font-size: 1.1rem;
    line-height: 2;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 60px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 4rem;
    font-weight: 900;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 600;
}

.hero-price {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 3px solid var(--accent-gold);
    border-radius: 20px;
    padding: 40px;
    margin: 60px auto;
    max-width: 600px;
    box-shadow: var(--shadow-accent);
}

.price-label {
    font-size: 1rem;
    color: var(--accent-yellow);
    font-weight: 600;
    margin-bottom: 15px;
}

.price-amount {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 10px;
}

.price-number {
    font-size: 5rem;
    font-weight: 900;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.price-yen {
    font-size: 2.5rem;
    color: var(--accent-yellow);
    font-weight: 700;
}

.price-note {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    margin-top: 15px;
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 60px;
}

/* ========================================
   セクション共通
   ======================================== */
.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

.section-description {
    font-size: 1.1rem;
    color: var(--gray);
    line-height: 2;
}

/* ========================================
   課題セクション
   ======================================== */
.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.problem-card {
    background: var(--white);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.problem-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-gold);
}

.problem-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-accent);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 30px;
    box-shadow: var(--shadow-accent);
}

.problem-icon i {
    font-size: 2.5rem;
    color: var(--white);
}

.problem-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 20px;
}

.problem-description {
    font-size: 1rem;
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 30px;
}

.problem-impact {
    font-size: 0.9rem;
    color: var(--gray);
    padding: 15px;
    background: var(--light-gray);
    border-left: 4px solid var(--accent-gold);
    border-radius: 8px;
}

.impact-number {
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--accent-bright);
}

/* ========================================
   ソリューションセクション
   ======================================== */
.solution-highlight {
    background: var(--primary-dark);
    color: var(--white);
    border-radius: 20px;
    padding: 50px;
    margin-bottom: 80px;
    text-align: center;
    box-shadow: var(--shadow-lg);
    border: 3px solid var(--accent-gold);
}

.highlight-icon {
    width: 100px;
    height: 100px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    box-shadow: var(--shadow-accent);
}

.highlight-icon i {
    font-size: 3rem;
    color: var(--white);
}

.highlight-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--accent-yellow);
}

.highlight-description {
    font-size: 1.1rem;
    line-height: 2;
    color: rgba(255, 255, 255, 0.9);
}

.highlight-description strong {
    color: var(--accent-yellow);
    font-weight: 700;
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.solution-card {
    background: var(--white);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    position: relative;
    border: 2px solid transparent;
}

.solution-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-gold);
}

.solution-number {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 3rem;
    font-weight: 900;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.3;
}

.solution-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-accent);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 30px;
    box-shadow: var(--shadow-accent);
}

.solution-icon i {
    font-size: 2.5rem;
    color: var(--white);
}

.solution-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 25px;
}

.solution-list {
    list-style: none;
}

.solution-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1rem;
    color: var(--gray);
    padding: 12px 0;
    border-bottom: 1px solid var(--light-gray);
}

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

.solution-list i {
    color: var(--accent-gold);
    font-size: 1.2rem;
}

/* ========================================
   料金プランセクション
   ======================================== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-bottom: 80px;
}

.pricing-card {
    background: var(--white);
    border-radius: 20px;
    padding: 50px 40px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
    border: 2px solid transparent;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-gold);
}

.pricing-featured {
    border: 3px solid var(--accent-gold);
    transform: scale(1.05);
    box-shadow: var(--shadow-accent);
}

.featured-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-accent);
    color: var(--white);
    padding: 8px 24px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: var(--shadow-accent);
}

.featured-badge i {
    margin-right: 6px;
}

.pricing-plan-name {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 30px;
}

.pricing-amount {
    margin-bottom: 40px;
}

.pricing-amount .price-number {
    font-size: 3.5rem;
    font-weight: 900;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pricing-amount .price-yen {
    font-size: 1.5rem;
    color: var(--accent-gold);
    font-weight: 700;
    margin-left: 8px;
}

.pricing-amount .price-tax {
    font-size: 0.9rem;
    color: var(--gray);
    margin-left: 8px;
}

.pricing-features {
    text-align: left;
    margin-bottom: 40px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 0;
    border-bottom: 1px solid var(--light-gray);
}

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

.feature-item i {
    color: var(--accent-gold);
    font-size: 1.2rem;
}

/* オプション */
.options-section {
    margin-top: 80px;
    padding-top: 80px;
    border-top: 3px solid var(--accent-gold);
}

.options-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 50px;
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.option-card {
    background: var(--white);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.option-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-gold);
}

.option-name {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 20px;
}

.option-price {
    margin-bottom: 20px;
}

.original-price {
    display: block;
    text-decoration: line-through;
    color: var(--gray);
    font-size: 1rem;
    margin-bottom: 10px;
}

.special-price {
    display: block;
    font-size: 1.8rem;
    font-weight: 900;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-highlight {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-bright);
}

.option-description {
    font-size: 0.95rem;
    color: var(--gray);
    line-height: 1.8;
}

/* ========================================
   導入メリットセクション
   ======================================== */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.benefit-card {
    background: var(--white);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    text-align: center;
    border: 2px solid transparent;
}

.benefit-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-gold);
}

.benefit-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    box-shadow: var(--shadow-accent);
}

.benefit-icon i {
    font-size: 2.5rem;
    color: var(--white);
}

.benefit-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 20px;
}

.benefit-description {
    font-size: 1rem;
    color: var(--gray);
    line-height: 1.8;
}

/* ========================================
   導入の流れセクション
   ======================================== */
.flow-timeline {
    max-width: 800px;
    margin: 0 auto;
}

.flow-item {
    display: flex;
    gap: 40px;
    margin-bottom: 60px;
    position: relative;
}

.flow-item::after {
    content: '';
    position: absolute;
    left: 70px;
    top: 100px;
    width: 3px;
    height: calc(100% + 20px);
    background: var(--gradient-accent);
}

.flow-item:last-child::after {
    display: none;
}

.flow-number {
    flex-shrink: 0;
    width: 140px;
    height: 140px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--white);
    box-shadow: var(--shadow-accent);
}

.flow-content {
    flex: 1;
    padding-top: 20px;
}

.flow-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 15px;
}

.flow-description {
    font-size: 1rem;
    color: var(--gray);
    line-height: 1.8;
}

/* ========================================
   FAQセクション
   ======================================== */
.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: 15px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--accent-gold);
}

.faq-question {
    width: 100%;
    padding: 25px 30px;
    background: none;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-dark);
    text-align: left;
    transition: all 0.3s ease;
}

.faq-question:hover {
    color: var(--accent-gold);
}

.faq-question i {
    font-size: 1.2rem;
    color: var(--accent-gold);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 30px 30px;
    font-size: 1rem;
    color: var(--gray);
    line-height: 2;
}

/* ========================================
   最終CTAセクション
   ======================================== */
.final-cta {
    background: var(--gradient-hero);
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.final-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 165, 0, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 215, 0, 0.15) 0%, transparent 50%);
}

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

.final-cta-title {
    font-size: 2.8rem;
    font-weight: 900;
    margin-bottom: 30px;
    color: var(--white);
}

.final-cta-description {
    font-size: 1.2rem;
    line-height: 2;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 50px;
}

.final-cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* ========================================
   フッター
   ======================================== */
.footer {
    background: var(--primary-dark);
    color: rgba(255, 255, 255, 0.8);
    padding: 80px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-company-name {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
}

.footer-company-name-en {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 30px;
}

.footer-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.footer-info-item {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.footer-info-item i {
    color: var(--accent-gold);
    font-size: 1.2rem;
    margin-top: 4px;
}

.footer-info-item a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-info-item a:hover {
    color: var(--accent-gold);
}

.footer-links {
    display: flex;
    gap: 60px;
}

.footer-link-group h4 {
    font-size: 1.2rem;
    color: var(--accent-yellow);
    margin-bottom: 20px;
    font-weight: 700;
}

.footer-link-group ul {
    list-style: none;
}

.footer-link-group ul li {
    margin-bottom: 12px;
}

.footer-link-group ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-link-group ul li a:hover {
    color: var(--accent-gold);
}

.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: 0.9rem;
}

/* ========================================
   アニメーション
   ======================================== */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

[data-animate].animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   レスポンシブ対応
   ======================================== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.8rem;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .hero-stats {
        gap: 40px;
    }
    
    .stat-number {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .section-padding {
        padding: 60px 0;
    }
    
    .header-content {
        flex-direction: column;
        gap: 15px;
    }
    
    .header-nav {
        width: 100%;
        justify-content: center;
    }
    
    .hero {
        padding: 140px 0 80px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .title-plus {
        font-size: 1.5rem;
    }
    
    .hero-catch {
        font-size: 1.3rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .price-number {
        font-size: 3.5rem;
    }
    
    .hero-cta {
        flex-direction: column;
        gap: 15px;
    }
    
    .btn-large {
        width: 100%;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .problems-grid,
    .solution-grid,
    .pricing-grid,
    .benefits-grid,
    .options-grid {
        grid-template-columns: 1fr;
    }
    
    .flow-item {
        flex-direction: column;
        gap: 20px;
    }
    
    .flow-item::after {
        left: 70px;
        top: 160px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 30px;
    }
    
    .final-cta-title {
        font-size: 2rem;
    }
    
    .final-cta-buttons {
        flex-direction: column;
    }
}

/* ========================================
   モーダル
   ======================================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 22, 40, 0.85);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--white);
    border-radius: 24px;
    padding: 60px;
    width: 90%;
    max-width: 800px;
    position: relative;
    transform: translateY(40px) scale(0.95);
    transition: all 0.5s cubic-bezier(0.165, 0.84, 0.44, 1);
    box-shadow: var(--shadow-lg);
    max-height: 90vh;
    overflow-y: auto;
}

.modal.active .modal-content {
    transform: translateY(0) scale(1);
}

.modal-close {
    position: absolute;
    top: 24px;
    right: 24px;
    background: var(--light-gray);
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-navy);
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
}

.modal-close:hover {
    background: var(--accent-gold);
    color: var(--white);
    transform: rotate(90deg);
}

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

.modal-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 12px;
}

.modal-subtitle {
    font-size: 1rem;
    color: var(--gray);
}

/* フォームスタイル */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

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

.form-group label {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--primary-navy);
}

.form-group label .required {
    color: #ff4d4d;
    margin-left: 6px;
    font-size: 0.8rem;
}

.form-group input,
.form-group textarea {
    padding: 14px 20px;
    border: 2px solid var(--light-gray);
    border-radius: 12px;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #fdfdfd;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-gold);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(255, 165, 0, 0.1);
}

.form-privacy {
    margin: 10px 0;
    text-align: center;
}

.form-privacy label {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--gray);
}

.form-privacy input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-gold);
}

.form-privacy a {
    color: var(--accent-gold);
    text-decoration: underline;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* 完了モーダル */
.success-modal-content {
    max-width: 500px;
    text-align: center;
}

.success-icon {
    font-size: 5rem;
    color: var(--accent-gold);
    margin-bottom: 30px;
    filter: drop-shadow(0 4px 12px rgba(255, 165, 0, 0.3));
}

.modal-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--gray);
    margin-bottom: 40px;
}

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

@media (max-width: 768px) {
    .modal-content {
        padding: 40px 20px;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .modal-title {
        font-size: 1.5rem;
    }
}