/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Poppins:wght@400;500;600;700;800;900&display=swap');

/* リセット・基本設定 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* プロフェッショナルな黒ベースのカラーパレット */
    --primary-gradient: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    --secondary-gradient: linear-gradient(135deg, #00D4FF 0%, #0099CC 100%);
    --dark-gradient: linear-gradient(135deg, #000000 0%, #1a1a1a 100%);
    --accent-gradient: linear-gradient(135deg, #FFD700 0%, #FF8C00 100%);
    --hero-gradient: linear-gradient(135deg, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.6) 100%);

    --primary-color: #FFD700;
    --secondary-color: #00D4FF;
    --accent-color: #FF8C00;
    --dark-color: #000000;
    --darker-color: #0a0a0a;
    --light-color: #1a1a1a;
    --text-color: #ffffff;
    --text-light: #b0b0b0;
    --border-color: rgba(255, 255, 255, 0.1);

    /* シャドウ */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 40px rgba(255, 215, 0, 0.3);

    /* グラスモーフィズム */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
}

/* スムーススクロール */
html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.7;
    color: var(--text-color);
    background: #000000;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow-x: hidden;
}

main {
    flex: 1;
}

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

a {
    text-decoration: none;
    color: inherit;
}

/* コンテナ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ヘッダー・ナビゲーション */
header {
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.8);
    border-bottom: 1px solid rgba(255, 215, 0, 0.2);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

header.scrolled {
    background: rgba(0, 0, 0, 0.98);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.9);
    border-bottom-color: rgba(255, 215, 0, 0.3);
}

.navbar {
    padding: 1.2rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.8rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
    transition: transform 0.3s ease;
}

.logo h1:hover {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-menu a {
    color: var(--text-color);
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: width 0.3s ease;
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
}

/* ボタン */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: none;
    cursor: pointer;
    text-align: center;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0) 100%);
    z-index: -1;
    transition: opacity 0.3s ease;
    opacity: 0;
}

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

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 71, 87, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 30px rgba(255, 71, 87, 0.5);
}

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

.btn-secondary {
    background: white;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.btn-secondary:hover {
    background: var(--primary-gradient);
    color: white;
    border-color: transparent;
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 30px rgba(255, 71, 87, 0.4);
}

.btn-large {
    padding: 1.2rem 3.5rem;
    font-size: 1.15rem;
    font-weight: 800;
}

/* ヒーローセクション */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

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

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg,
            rgba(0, 0, 0, 0.85) 0%,
            rgba(0, 0, 0, 0.75) 50%,
            rgba(0, 0, 0, 0.85) 100%);
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-content {
    text-align: center;
    color: white;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content h2 {
    font-family: 'Poppins', sans-serif;
    font-size: 4.5rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    letter-spacing: -2px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.hero-tagline {
    font-family: 'Poppins', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-description {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.cta-buttons {
    margin-top: 2.5rem;
    margin-bottom: 4rem;
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-top: 4rem;
    flex-wrap: wrap;
}

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

.stat-number {
    font-family: 'Poppins', sans-serif;
    font-size: 3rem;
    font-weight: 900;
    color: white;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

/* ビジュアルセクション */
.visual-section {
    background: #000000;
    padding: 6rem 0;
    position: relative;
}

.visual-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.visual-item {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    aspect-ratio: 16/10;
    cursor: pointer;
    transition: all 0.4s ease;
}

.visual-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.visual-item:hover img {
    transform: scale(1.1);
}

.visual-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0.7) 70%, transparent 100%);
    transform: translateY(0);
    transition: all 0.4s ease;
}

.visual-item:hover .visual-overlay {
    background: linear-gradient(to top, rgba(0, 0, 0, 0.98) 0%, rgba(0, 0, 0, 0.85) 70%, rgba(0, 0, 0, 0.3) 100%);
}

.visual-overlay h3 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.visual-overlay p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.05rem;
    line-height: 1.6;
}

.visual-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 2px solid transparent;
    border-radius: 20px;
    transition: border-color 0.4s ease;
    pointer-events: none;
}

.visual-item:hover::before {
    border-color: var(--primary-color);
}


/* セクション */
section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    font-family: 'Poppins', sans-serif;
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-color);
    letter-spacing: -1px;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
    margin-top: 3rem;
}

.section-description {
    text-align: center;
    font-size: 1.15rem;
    color: var(--text-light);
    max-width: 800px;
    margin: 0 auto 4rem;
    line-height: 1.9;
}

/* 機能グリッド */
.features {
    background: #000000;
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 215, 0, 0.3) 50%, transparent 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.feature-card {
    background: rgba(255, 255, 255, 0.03);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 215, 0, 0.1);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-glow);
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 215, 0, 0.3);
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    transition: transform 0.3s ease;
}

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

.feature-card h3 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.9;
    font-size: 1.05rem;
}

/* 使い方セクション */
.how-to-use {
    background-color: var(--dark-color);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.step {
    text-align: center;
    padding: 2rem;
}

.step-number {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 1rem;
}

.step h3 {
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.step p {
    color: var(--text-light);
}

/* CTAセクション */
.cta-section {
    background-color: var(--darker-color);
    color: var(--text-color);
    text-align: center;
    padding: 5rem 0;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--text-light);
}

/* ページヘッダー */
.page-header {
    background-color: var(--darker-color);
    color: var(--text-color);
    padding: 4rem 0;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.page-header p {
    font-size: 1.2rem;
    color: var(--text-light);
}

/* 会社情報 */
.company-info {
    padding: 4rem 0;
}

.info-table {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
    border: 1px solid rgba(255, 215, 0, 0.1);
}

.info-row {
    display: grid;
    grid-template-columns: 200px 1fr;
    border-bottom: 1px solid var(--border-color);
}

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

.info-label {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    font-weight: 600;
    color: var(--text-color);
}

.info-value {
    padding: 1.5rem;
    color: var(--text-light);
}

/* ミッション */
.mission {
    background-color: var(--dark-color);
}

.mission-content {
    text-align: center;
    margin-bottom: 3rem;
}

.mission-content h3 {
    font-size: 1.8rem;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.mission-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-light);
    max-width: 800px;
    margin: 0 auto;
}

.values {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.value-item {
    background: rgba(255, 255, 255, 0.03);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    text-align: center;
    border: 1px solid rgba(255, 215, 0, 0.1);
    transition: all 0.3s ease;
}

.value-item:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 215, 0, 0.3);
    box-shadow: var(--shadow-glow);
}

.value-item h4 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.value-item p {
    color: var(--text-light);
    line-height: 1.8;
}

/* FAQ */
.faq-section {
    padding: 4rem 0;
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: rgba(255, 255, 255, 0.03);
    margin-bottom: 1rem;
    border-radius: 10px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
    border: 1px solid rgba(255, 215, 0, 0.1);
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(255, 215, 0, 0.3);
    box-shadow: var(--shadow-glow);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    cursor: pointer;
    background-color: transparent;
    transition: background-color 0.3s;
}

.faq-question:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.faq-question h3 {
    font-size: 1.1rem;
    color: var(--text-color);
    margin: 0;
}

.faq-toggle {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: bold;
    transition: transform 0.3s;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

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

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

.faq-answer p {
    padding: 0 1.5rem 1.5rem;
    color: var(--text-light);
    line-height: 1.8;
}

/* お問い合わせ */
.contact-section {
    padding: 4rem 0;
}

/* フォーム */
.contact-form-wrapper-center {
    max-width: 700px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.03);
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 215, 0, 0.1);
    box-shadow: var(--shadow-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.form-group label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.required {
    color: var(--primary-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.8rem;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
    background-color: #333;
    color: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.checkbox-label {
    flex-direction: row;
    align-items: center;
    font-weight: normal;
}

.checkbox-label input {
    margin-right: 0.5rem;
    width: auto;
}

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

.faq-link {
    background-color: var(--light-color);
    text-align: center;
}

.faq-link h2 {
    font-size: 2rem;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.faq-link p {
    color: var(--text-light);
    margin-bottom: 2rem;
}

/* フッター */
footer {
    background: var(--dark-gradient);
    color: white;
    padding: 3rem 0;
    margin-top: auto;
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-gradient);
}

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

.copyright {
    opacity: 0.7;
    font-size: 0.9rem;
}

/* 市場セクション */
.market-section {
    background-color: var(--dark-color);
}

.market-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.market-card {
    background: rgba(255, 255, 255, 0.03);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(255, 215, 0, 0.1);
}

.market-card h3 {
    font-size: 1.3rem;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.market-size {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.market-card ul {
    list-style: none;
    margin-bottom: 1rem;
}

.market-card li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.market-card li:before {
    content: "●";
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.market-label {
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.growth-rate {
    font-weight: 600;
    color: var(--secondary-color);
}

.market-note {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.8;
    padding: 1rem;
    background-color: #2a2a2a;
    border-left: 3px solid var(--primary-color);
    border-radius: 5px;
}

/* Why セクション */
.why-section,
.business-model,
.future-section,
.growth-strategy,
.service-overview,
.competitive-advantage,
.summary-section {
    background-color: var(--dark-color);
}

.why-grid,
.model-grid,
.future-grid,
.strategy-grid,
.service-grid,
.advantage-grid,
.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.why-card,
.model-card,
.future-card,
.strategy-card,
.service-card,
.advantage-card,
.summary-card {
    background: rgba(255, 255, 255, 0.03);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 215, 0, 0.1);
}

.why-card::before,
.model-card::before,
.future-card::before,
.strategy-card::before,
.service-card::before,
.advantage-card::before,
.summary-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.why-card:hover::before,
.model-card:hover::before,
.future-card:hover::before,
.strategy-card:hover::before,
.service-card:hover::before,
.advantage-card:hover::before,
.summary-card:hover::before {
    transform: scaleX(1);
}

.why-card:hover,
.model-card:hover,
.future-card:hover,
.strategy-card:hover,
.service-card:hover,
.advantage-card:hover,
.summary-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow);
    border-color: rgba(255, 215, 0, 0.3);
}

.why-card h3,
.model-card h3,
.future-card h3,
.strategy-card h3,
.service-card h3,
.advantage-card h3,
.summary-card h3 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 1.5rem;
}

.why-card ul,
.model-card ul,
.future-card ul,
.strategy-card ul,
.service-card ul,
.advantage-card ul,
.summary-card ul {
    list-style: none;
}

.why-card li,
.model-card li,
.future-card li,
.strategy-card li,
.service-card li,
.advantage-card li,
.summary-card li {
    padding: 0.7rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--text-light);
    font-size: 1.05rem;
    line-height: 1.8;
}

.why-card li:before,
.model-card li:before,
.future-card li:before,
.strategy-card li:before,
.service-card li:before,
.advantage-card li:before,
.summary-card li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.why-note,
.future-note,
.strategy-note,
.service-note,
.advantage-note {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.8;
    padding: 1rem;
    background-color: rgba(255, 215, 0, 0.1);
    border-left: 3px solid var(--primary-color);
    border-radius: 5px;
    margin-top: 1.5rem;
}

.model-amount {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-subtitle {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

/* ネクストステップ */
.next-steps {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 2px solid var(--border-color);
}

.next-steps h3 {
    font-size: 1.8rem;
    color: var(--text-color);
    margin-bottom: 2rem;
    text-align: center;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.step-card {
    background: rgba(255, 255, 255, 0.03);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(255, 215, 0, 0.1);
    transition: all 0.3s ease;
}

.step-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 215, 0, 0.3);
    box-shadow: var(--shadow-glow);
}

.step-card h4 {
    font-size: 1.2rem;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.step-card ul {
    list-style: none;
}

.step-card li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
}

.step-card li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* ポリシーリンク */
.policy-links {
    background-color: var(--darker-color);
    padding: 4rem 0;
    text-align: center;
}

.policy-links .section-title {
    display: block;
    left: auto;
    transform: none;
}

.policy-description {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.policy-link-wrapper {
    margin-top: 2rem;
}

/* プライバシーポリシー */
.privacy-content {
    padding: 4rem 0;
}

.privacy-section {
    margin-bottom: 3rem;
}

.privacy-section h2 {
    font-size: 1.8rem;
    color: var(--text-color);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-color);
}

.privacy-section h3 {
    font-size: 1.3rem;
    color: var(--text-color);
    margin-top: 1.5rem;
    margin-bottom: 1rem;
}

.privacy-section p {
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.privacy-section ul {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

.privacy-section li {
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.contact-info-box {
    background: rgba(255, 255, 255, 0.03);
    padding: 2rem;
    border-radius: 20px;
    margin-top: 1.5rem;
    border: 1px solid rgba(255, 215, 0, 0.1);
}

.contact-info-box p {
    margin-bottom: 0.5rem;
}

.contact-info-box strong {
    color: var(--text-color);
}

.contact-info-box a {
    color: var(--primary-color);
    text-decoration: underline;
}

.privacy-footer {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.privacy-footer p {
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

/* 機能ショーケース */
.features-showcase {
    margin-top: 4rem;
}

.feature-showcase-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 8rem;
}

.feature-showcase-item.reverse {
    direction: rtl;
}

.feature-showcase-item.reverse>* {
    direction: ltr;
}

.feature-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--primary-gradient);
    color: white;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.feature-showcase-content h3 {
    font-family: 'Poppins', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.feature-lead {
    font-size: 1.3rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

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

.feature-list li {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    align-items: flex-start;
}

.feature-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.feature-list strong {
    display: block;
    font-size: 1.1rem;
    color: var(--text-color);
    margin-bottom: 0.3rem;
}

.feature-list p {
    color: var(--text-light);
    line-height: 1.6;
}

/* スマホモックアップ */
.phone-mockup {
    background: linear-gradient(135deg, #1a1a1a 0%, #000000 100%);
    border-radius: 40px;
    padding: 1rem;
    box-shadow: var(--shadow-xl);
    max-width: 350px;
    margin: 0 auto;
    border: 2px solid rgba(255, 215, 0, 0.2);
}

.mockup-screen {
    background: #0a0a0a;
    border-radius: 30px;
    padding: 2rem 1.5rem;
    min-height: 500px;
    border: 1px solid rgba(255, 215, 0, 0.1);
}

.workout-card,
.social-feed,
.earnings-card {
    height: 100%;
}

.workout-card h4,
.earnings-card h4 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 1.5rem;
}

.exercise-item {
    display: flex;
    justify-content: space-between;
    padding: 1rem;
    background: #2a2a2a;
    border-radius: 10px;
    margin-bottom: 0.8rem;
}

.weight {
    color: var(--primary-color);
    font-weight: 600;
}

.progress-chart {
    display: flex;
    gap: 0.5rem;
    align-items: flex-end;
    height: 150px;
    margin-top: 2rem;
}

.chart-bar {
    flex: 1;
    background: var(--primary-gradient);
    border-radius: 5px 5px 0 0;
    transition: height 0.3s ease;
}

.feed-post {
    background: #2a2a2a;
    border-radius: 15px;
    overflow: hidden;
}

.post-header {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.post-image {
    width: 100%;
    height: 250px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.post-stats {
    display: flex;
    gap: 1.5rem;
    padding: 1rem;
    font-weight: 600;
}

.earnings-amount {
    font-family: 'Poppins', sans-serif;
    font-size: 3rem;
    font-weight: 900;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 2rem;
}

.earnings-breakdown {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.earning-item {
    display: flex;
    justify-content: space-between;
    padding: 1rem;
    background: #2a2a2a;
    border-radius: 10px;
}

.earning-item span:last-child {
    font-weight: 700;
    color: var(--primary-color);
}

/* タイムライン */
.steps-timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.steps-timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--primary-gradient);
}

.step-item {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--primary-gradient);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 900;
    flex-shrink: 0;
    box-shadow: var(--shadow-md);
    position: relative;
    z-index: 1;
}

.step-content {
    flex: 1;
    padding-top: 0.5rem;
}

.step-content h3 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 0.8rem;
}

.step-content p {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 1.1rem;
}

.step-details {
    margin-top: 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    padding: 1.5rem;
    border-radius: 15px;
    border: 1px solid rgba(255, 215, 0, 0.1);
    box-shadow: var(--shadow-md);
}

.step-details h4 {
    font-size: 1.1rem;
    color: var(--text-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

.step-details ul {
    list-style: none;
    margin-bottom: 1.5rem;
}

.step-details li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
    color: var(--text-light);
    font-size: 0.95rem;
}

.step-details li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.step-tip {
    background: rgba(255, 215, 0, 0.1);
    padding: 1rem;
    border-radius: 10px;
    border-left: 3px solid var(--primary-color);
    font-size: 0.95rem;
    color: var(--text-light);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.step-tip strong {
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* 料金プラン */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.pricing-card {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 20px;
    padding: 3rem 2rem;
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    border: 2px solid rgba(255, 215, 0, 0.1);
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-glow);
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 215, 0, 0.3);
}

.pricing-card.featured {
    border-color: var(--primary-color);
    transform: scale(1.05);
    background: rgba(255, 215, 0, 0.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.popular-badge {
    position: absolute;
    top: -15px;
    right: 20px;
    background: var(--primary-gradient);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.85rem;
}

.plan-name {
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.plan-price {
    margin-bottom: 2rem;
}

.price {
    font-family: 'Poppins', sans-serif;
    font-size: 3.5rem;
    font-weight: 900;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.period {
    font-size: 1.2rem;
    color: var(--text-light);
}

.plan-features {
    list-style: none;
    margin-bottom: 2rem;
}

.plan-features li {
    padding: 0.8rem 0;
    color: var(--text-color);
    font-size: 1.05rem;
    border-bottom: 1px solid var(--border-color);
}

.plan-features li:last-child {
    border-bottom: none;
}

/* ユーザーの声 */
.testimonials {
    background: #000000;
    position: relative;
}

.testimonials::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 215, 0, 0.3) 50%, transparent 100%);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(255, 215, 0, 0.1);
}

.testimonial-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow);
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 215, 0, 0.3);
}

.testimonial-rating {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.testimonial-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-color);
    margin-bottom: 2rem;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
}

.author-name {
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 0.2rem;
}

.author-role {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* CTAセクション */
.cta-section {
    background: linear-gradient(135deg, #1a1a1a 0%, #000000 100%);
    color: white;
    text-align: center;
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
    border-top: 1px solid rgba(255, 215, 0, 0.2);
    border-bottom: 1px solid rgba(255, 215, 0, 0.2);
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(255, 215, 0, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 215, 0, 0.05) 0%, transparent 50%);
}

.cta-section .container {
    position: relative;
    z-index: 1;
}

.cta-section h2 {
    font-family: 'Poppins', sans-serif;
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
}

/* フッター更新 */
.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: white;
}

/* 使い方ページ */
.how-to-use-detail {
    padding: 5rem 0;
}

.how-to-use-detail .step-details {
    margin-top: 1.5rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 15px;
    border: 1px solid rgba(255, 215, 0, 0.1);
    box-shadow: var(--shadow-md);
}

.how-to-use-detail .step-details h4 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.how-to-use-detail .step-details ul {
    list-style: none;
    margin-bottom: 1.5rem;
}

.how-to-use-detail .step-details li {
    padding: 0.7rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--text-light);
    line-height: 1.8;
}

.how-to-use-detail .step-details li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.2rem;
}

.how-to-use-detail .step-tip {
    background: rgba(255, 215, 0, 0.1);
    padding: 1.5rem;
    border-radius: 10px;
    border-left: 4px solid var(--primary-color);
}

.how-to-use-detail .step-tip strong {
    color: var(--primary-color);
    display: block;
    margin-bottom: 0.5rem;
}

.how-to-faq {
    margin-top: 5rem;
    padding-top: 3rem;
    border-top: 2px solid #e0e0e0;
}

.how-to-cta {
    margin-top: 5rem;
    padding: 4rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 30px;
    text-align: center;
    color: white;
}

.how-to-cta h2 {
    font-family: 'Poppins', sans-serif;
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
}

.how-to-cta p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}


/* ハンバーガーメニュー */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--text-color);
    border-radius: 3px;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        max-width: 300px;
        height: 100vh;
        background: var(--darker-color);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        transition: right 0.3s ease;
        z-index: 1000;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.3);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-menu li {
        opacity: 0;
        transform: translateX(20px);
        transition: all 0.3s ease;
    }

    .nav-menu.active li {
        opacity: 1;
        transform: translateX(0);
    }

    .nav-menu.active li:nth-child(1) { transition-delay: 0.1s; }
    .nav-menu.active li:nth-child(2) { transition-delay: 0.2s; }
    .nav-menu.active li:nth-child(3) { transition-delay: 0.3s; }
    .nav-menu.active li:nth-child(4) { transition-delay: 0.4s; }

    .nav-menu a {
        font-size: 1.2rem;
    }

    .menu-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 999;
    }

    .menu-overlay.active {
        opacity: 1;
        visibility: visible;
    }

    .hero-content h2 {
        font-size: 2.5rem;
    }

    .hero-tagline {
        font-size: 1.3rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .hero-stats {
        gap: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .feature-showcase-item {
        grid-template-columns: 1fr;
        gap: 2rem;
        margin-bottom: 4rem;
    }

    .feature-showcase-item.reverse {
        direction: ltr;
    }

    .feature-showcase-content h3 {
        font-size: 1.8rem;
    }

    .steps-timeline::before {
        left: 20px;
    }

    .step-number {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .pricing-card.featured {
        transform: scale(1);
    }

    .cta-section h2 {
        font-size: 2rem;
    }

    .features-grid,
    .steps,
    .values,
    .market-grid,
    .why-grid,
    .model-grid,
    .future-grid,
    .strategy-grid,
    .service-grid,
    .advantage-grid,
    .summary-grid,
    .steps-grid,
    .pricing-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .info-row {
        grid-template-columns: 1fr;
    }

    .info-label {
        border-bottom: none;
    }
}