/* CSS変数によるテーマ管理 */
:root {
    --primary: #2C3E50;
    --primary-light: #34495E;
    --accent: #7B8B6F;
    --accent-warm: #A89F91;
    --accent-muted: #9CA8B3;
    --background: #F8F7F5;
    --background-warm: #F5F3EF;
    --text: #1A1A1A;
    --text-light: #5A5A5A;
    --text-muted: #8A8A8A;
    --surface: #FFFFFF;
    --surface-warm: #FDFCFA;
    --border: #E8E6E1;
    --border-light: #F0EEE9;
    --shadow: rgba(0, 0, 0, 0.06);
    --shadow-lg: rgba(0, 0, 0, 0.12);
    --shadow-warm: rgba(139, 119, 101, 0.08);
    
    --font-primary: 'Noto Sans JP', sans-serif;
    --font-heading: 'Outfit', sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--text);
    background-color: var(--background);
    line-height: 1.6;
    font-size: 16px;
    background-image: 
        radial-gradient(ellipse at 20% 0%, rgba(123, 139, 111, 0.03) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 100%, rgba(168, 159, 145, 0.03) 0%, transparent 50%);
    min-height: 100vh;
}

/* タイポグラフィ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: 3rem;
}

h2 {
    font-size: 2.25rem;
}

h3 {
    font-size: 1.75rem;
}

h4 {
    font-size: 1.5rem;
}

p {
    margin-bottom: var(--spacing-sm);
}

/* 機能紹介ページ: 動画セクション注意書き */
.video-text {
    width: 100%;
    max-width: 920px;
    margin: 0 auto;
    text-align: left;
}

.video-title {
    margin-bottom: var(--spacing-sm);
}

.video-note {
    font-size: 1.4rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--accent);
}

/* コンテナ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.container-narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ナビゲーションバー */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(253, 252, 250, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 30px var(--shadow-warm);
}

.navbar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.02em;
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    text-decoration: none;
}

.logo-img {
    height: 120px;
    width: auto;
    display: block;
    transition: var(--transition);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    white-space: nowrap;
}

.logo:hover .logo-img {
    opacity: 0.8;
}

.logo:hover .logo-text {
    color: var(--text);
}

.logo::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent-warm));
    transition: var(--transition);
}

.logo:hover::after {
    width: 100%;
}

.logo:hover {
    color: var(--text);
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
    list-style: none;
}

.nav-links a {
    color: var(--text-light);
    font-weight: 500;
    font-size: 1.15rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    position: relative;
    transition: var(--transition);
    text-decoration: none;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent);
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--text);
}

.nav-links a:hover::after {
    width: 100%;
}

/* ヒーローセクション */
.hero {
    padding: calc(200px + var(--spacing-2xl)) var(--spacing-lg) var(--spacing-2xl);
    text-align: center;
    background: 
        linear-gradient(180deg, var(--surface-warm) 0%, var(--background-warm) 100%);
    color: var(--text);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 60%;
    height: 100%;
    background: radial-gradient(ellipse, rgba(123, 139, 111, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    right: -10%;
    width: 50%;
    height: 80%;
    background: radial-gradient(ellipse, rgba(168, 159, 145, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.hero h1 {
    color: var(--text);
    margin-bottom: var(--spacing-md);
    font-size: 3.5rem;
    letter-spacing: -0.02em;
    position: relative;
    z-index: 1;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    color: var(--text-light);
    position: relative;
    z-index: 1;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

/* ボタン */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-xl);
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    box-shadow: 0 4px 15px rgba(44, 62, 80, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(44, 62, 80, 0.3);
    color: white;
}

.btn-secondary {
    background-color: var(--surface);
    color: var(--text);
    border: 1.5px solid var(--border);
    box-shadow: 0 2px 8px var(--shadow);
}

.btn-secondary:hover {
    background-color: var(--background-warm);
    border-color: var(--accent-warm);
    transform: translateY(-2px);
    color: var(--text);
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent), #6B7B5F);
    color: white;
    box-shadow: 0 4px 15px rgba(123, 139, 111, 0.3);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(123, 139, 111, 0.4);
    color: white;
}

.btn-line {
    background: linear-gradient(135deg, #00C300, #00A000);
    color: white !important;
    box-shadow: 0 4px 15px rgba(0, 195, 0, 0.3);
    border: none;
    font-weight: 700;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.btn-line:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 195, 0, 0.4);
    color: white !important;
    background: linear-gradient(135deg, #00D300, #00B000);
}

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

/* セクション */
.section {
    padding: var(--spacing-2xl) var(--spacing-lg);
    position: relative;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title h2 {
    color: var(--text);
    margin-bottom: var(--spacing-sm);
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-warm));
    border-radius: 2px;
}

.section-title p {
    color: var(--text-light);
    font-size: 1.125rem;
    margin-top: var(--spacing-md);
}

/* カード */
.card {
    background-color: var(--surface);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-lg);
    box-shadow: 0 4px 20px var(--shadow-warm);
    transition: var(--transition);
    border: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-warm), var(--accent-muted));
    opacity: 0;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px var(--shadow-lg);
}

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

.card-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--background-warm), var(--border-light));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    font-size: 2rem;
    box-shadow: inset 0 2px 4px rgba(255, 255, 255, 0.8);
}

.card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--text);
}

.card p {
    color: var(--text-light);
    font-size: 1.15rem;
    line-height: 1.7;
}

.card ul li {
    font-size: 1.1rem;
    line-height: 1.7;
}

/* カード内のリンクスタイル */
.card a {
    color: var(--accent);
    text-decoration: underline;
    font-weight: 600;
    transition: color 0.2s ease;
    cursor: pointer;
}

.card a:hover {
    color: var(--primary);
    text-decoration: underline;
}

/* グリッド */
.grid {
    display: grid;
    gap: var(--spacing-lg);
}

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

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

/* 機能カード */
.feature-card {
    text-align: center;
}

.feature-card .card-icon {
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    box-shadow: 0 4px 15px rgba(44, 62, 80, 0.2);
}

/* 悩みグリッド（縦並び） */
.pain-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    max-width: 800px;
    margin: 0 auto;
}

/* トップページ: 悩み→解決カード */
.pain-card {
    text-align: left;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--surface-warm), var(--surface));
    border-left: 4px solid var(--accent-warm);
    border-radius: var(--radius-lg);
    min-height: auto;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    box-shadow: 0 2px 12px var(--shadow-warm);
}

.pain-card::before {
    display: none;
}

.pain-card:hover {
    background: linear-gradient(135deg, var(--surface), var(--surface-warm));
    transform: translateY(-4px) translateX(4px);
    box-shadow: 0 8px 25px var(--shadow-lg);
    border-left-color: var(--accent);
}

.pain-card .card-icon {
    margin: 0 0 var(--spacing-md);
    background: linear-gradient(135deg, var(--accent-warm), var(--accent));
    color: white;
}

.pain-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
    font-weight: 700;
    color: var(--text);
}

.pain-text {
    color: var(--text-light);
    margin-bottom: 0;
    font-size: 1.3125rem;
    line-height: 1.6;
    flex-grow: 1;
}

/* 解決策グリッド（縦並び） */
.solution-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    max-width: 800px;
    margin: 0 auto;
}

/* 解決策カード */
.solution-card {
    padding: var(--spacing-lg);
    min-height: auto;
    border-left: 4px solid var(--accent);
    background: linear-gradient(135deg, var(--surface), var(--surface-warm));
}

.solution-card::before {
    display: none;
}

.solution-card:hover {
    border-left-color: var(--primary);
}

.solution-card h3 {
    font-size: 1.425rem;
    margin-bottom: var(--spacing-xs);
    line-height: 1.4;
    font-weight: 700;
    color: var(--primary);
}

.solution-card p {
    font-size: 1.3125rem;
    line-height: 1.6;
    color: var(--text-light);
    margin-bottom: 0;
}

.solution-text {
    margin-bottom: 0;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    background-color: var(--background);
    border: 1px solid var(--border);
}

/* CTAセクション */
.cta-section {
    background: linear-gradient(135deg, var(--background-warm) 0%, var(--surface) 50%, rgba(123, 139, 111, 0.08) 100%);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.cta-section::after {
    content: '';
    position: absolute;
    bottom: -50%;
    right: -20%;
    width: 60%;
    height: 100%;
    background: radial-gradient(ellipse, rgba(168, 159, 145, 0.1) 0%, transparent 60%);
    pointer-events: none;
}

.cta-section h2 {
    color: var(--text);
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.cta-section h2::after {
    display: none;
}

.cta-text {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    color: var(--text-light);
    position: relative;
    z-index: 1;
}

/* 料金テーブル */
.pricing-table {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.pricing-card {
    background: linear-gradient(180deg, var(--surface) 0%, var(--surface-warm) 100%);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    box-shadow: 0 8px 30px var(--shadow-warm);
    text-align: center;
    position: relative;
    transition: var(--transition);
    border: 1px solid var(--border-light);
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 50px var(--shadow-lg);
}

.pricing-card.featured {
    border: 2px solid var(--accent);
    transform: scale(1.05);
    background: linear-gradient(180deg, var(--surface) 0%, rgba(123, 139, 111, 0.05) 100%);
}

.pricing-card.featured::before {
    content: 'おすすめ';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--accent), #6B7B5F);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-xl);
    font-size: 0.875rem;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(123, 139, 111, 0.3);
}

.pricing-price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary);
    margin: var(--spacing-md) 0;
}

.pricing-price span {
    font-size: 1.5rem;
    color: var(--text-muted);
}

.pricing-features {
    list-style: none;
    margin: var(--spacing-lg) 0;
    text-align: left;
}

.pricing-features li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    color: var(--text-light);
}

.pricing-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
}

/* オプションカード内のpricing-features */
.option-card .pricing-features {
    margin: var(--spacing-md) 0 0;
    min-height: 9.5rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    flex-grow: 1;
}

.option-card .pricing-features li {
    padding: var(--spacing-sm) 0;
    padding-left: calc(var(--spacing-md) + 4px);
    color: var(--text);
    font-size: 1.1rem;
    line-height: 1.6;
    min-height: 3rem;
    display: flex;
    align-items: center;
    position: relative;
}

.option-card .pricing-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0.25rem;
    width: 1.25rem;
    height: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(123, 139, 111, 0.1);
    border-radius: 50%;
    color: var(--accent);
    font-weight: 700;
    font-size: 0.75rem;
}

.option-card .pricing-features li.no-checkmark::before {
    display: none;
}

.option-card .pricing-features li.no-checkmark {
    padding-left: 0;
}

/* 基本プランカード */
.pricing-main-wrapper {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-md);
}

.pricing-main {
    background: linear-gradient(180deg, var(--surface) 0%, var(--surface-warm) 100%);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    box-shadow: 0 8px 30px var(--shadow-warm);
    text-align: center;
    position: relative;
    transition: var(--transition);
    border: 2px solid var(--accent);
    max-width: 500px;
    width: 100%;
}

.pricing-main:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 50px var(--shadow-lg);
}

.pricing-main a {
    color: var(--accent);
    text-decoration: underline;
    font-weight: 600;
    transition: color 0.2s ease;
    cursor: pointer;
}

.pricing-main a:hover {
    color: var(--primary);
    text-decoration: underline;
}

.price-sub {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-lg);
}

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

.price-discount {
    background: linear-gradient(135deg, rgba(123, 139, 111, 0.1), rgba(123, 139, 111, 0.05));
    border: 2px solid var(--accent);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    margin: var(--spacing-md) 0 var(--spacing-lg);
    font-size: 1rem;
    color: var(--text);
    font-weight: 500;
    text-align: center;
    line-height: 1.8;
}

.price-discount strong {
    color: var(--accent);
    font-size: 1.1em;
    font-weight: 700;
}

.discount-price {
    display: inline-block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1.2;
    margin: var(--spacing-xs) 0;
}

.discount-period {
    font-size: 1.25rem;
    color: var(--text-light);
    font-weight: 500;
}

.discount-note {
    display: block;
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: var(--spacing-xs);
}

/* オプションカード */
.option-card {
    background: linear-gradient(180deg, var(--surface) 0%, var(--surface-warm) 100%);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    box-shadow: 0 8px 30px var(--shadow-warm), 0 2px 8px rgba(123, 139, 111, 0.1);
    text-align: center;
    position: relative;
    transition: var(--transition);
    border: 2px solid var(--border-light);
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

.option-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent-warm), var(--accent-muted));
    opacity: 0;
    transition: var(--transition);
}

.option-card:hover::before {
    opacity: 1;
}

.option-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(123, 139, 111, 0.05) 0%, transparent 70%);
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
}

.option-card:hover::after {
    opacity: 1;
}

.option-card > p:not(.price-sub) {
    flex-shrink: 0;
}

.option-card .pricing-features {
    flex-shrink: 0;
}

.option-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 50px var(--shadow-lg), 0 4px 16px rgba(123, 139, 111, 0.2);
    border-color: var(--accent);
    background: linear-gradient(180deg, var(--surface-warm) 0%, var(--surface) 100%);
}

.option-card h3 {
    min-height: 3.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    position: relative;
    color: var(--primary);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.option-card h3::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent-warm));
    border-radius: 2px;
    opacity: 0.6;
}

.option-card .pricing-price {
    font-size: 2.5rem;
    min-height: 4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    margin: var(--spacing-md) 0;
    color: var(--primary);
    font-weight: 700;
}

.option-card .pricing-price > span:not(:last-child) {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.option-card > p {
    font-size: 1rem;
    line-height: 1.6;
    word-break: keep-all;
    overflow-wrap: break-word;
    white-space: pre-line;
    hyphens: none;
    color: var(--text);
    font-weight: 500;
}

/* 説明文（価格の直後のpタグ）の高さを固定して、チェックリストの開始位置を揃える */
.option-card .pricing-price + p {
    min-height: 3.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 説明文（価格の直後のpタグ）の高さを固定して、チェックリストの開始位置を揃える */
.option-card .pricing-price + p {
    min-height: 3.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* フッター */
.footer {
    background: linear-gradient(180deg, var(--primary) 0%, #1a2634 100%);
    color: white;
    padding: var(--spacing-2xl) var(--spacing-lg) var(--spacing-xl);
    margin-top: var(--spacing-2xl);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-warm), transparent);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h4 {
    color: white;
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
    letter-spacing: 0.02em;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
    position: relative;
}

.footer-section a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--accent);
    transition: var(--transition);
}

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

.footer-section a:hover::after {
    width: 100%;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

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

.footer-legal-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 0.35rem 0.75rem;
    margin-top: var(--spacing-md);
}

.footer-legal-links a {
    text-decoration: underline;
}

.footer-legal-sep {
    color: rgba(255, 255, 255, 0.35);
    user-select: none;
    font-weight: 300;
}

/* 法務ページ（利用規約・プライバシーポリシー） */
.legal-page-section {
    padding-top: var(--spacing-lg);
    padding-bottom: var(--spacing-2xl);
}

.legal-doc {
    max-width: 720px;
    margin: 0 auto;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl) var(--spacing-lg);
    box-shadow: 0 2px 12px var(--shadow);
}

@media (min-width: 768px) {
    .legal-doc {
        padding: var(--spacing-2xl) var(--spacing-xl);
    }
}

.legal-doc .legal-lead {
    font-size: 1.05rem;
    color: var(--text-light);
    line-height: 1.85;
    margin-bottom: 0;
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
}

.legal-doc h2 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-sm);
    color: var(--primary);
    font-weight: 700;
}

.legal-doc h2 + p {
    margin-top: 0;
}

.legal-doc p,
.legal-doc li {
    line-height: 1.85;
    color: var(--text);
}

.legal-doc ul.legal-list {
    margin: var(--spacing-sm) 0 var(--spacing-md) 0;
    padding-left: 1.25rem;
    list-style: disc;
}

.legal-doc ul.legal-list li {
    margin-bottom: var(--spacing-xs);
}

.legal-doc ul.legal-list li:last-child {
    margin-bottom: 0;
}

.legal-doc ol.legal-sublist {
    margin: var(--spacing-sm) 0 var(--spacing-md) 0;
    padding-left: 1.35rem;
    list-style: decimal;
}

.legal-doc ol.legal-sublist li {
    margin-bottom: var(--spacing-xs);
    padding-left: 0.35rem;
}

.legal-doc ol.legal-sublist li:last-child {
    margin-bottom: 0;
}

.legal-doc .legal-meta {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-light);
    font-size: 0.95rem;
    color: var(--text-light);
}

.legal-doc .legal-meta p {
    margin-bottom: var(--spacing-xs);
}

.legal-doc .legal-meta p:last-child {
    margin-bottom: 0;
}

.footer-logo {
    height: 120px;
    width: auto;
    display: block;
    opacity: 0.9;
    transition: var(--transition);
    margin-bottom: var(--spacing-sm);
}

.footer-logo:hover {
    opacity: 1;
}

.footer-logo-text {
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    margin-top: var(--spacing-sm);
    margin-bottom: 0;
}

/* 仕入先バッジ */
.supplier-badge {
    display: inline-block;
    padding: 0.4rem 0.8rem;
    background: linear-gradient(135deg, var(--surface-warm) 0%, var(--surface) 100%);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    box-shadow: 0 1px 3px var(--shadow);
}

.supplier-badge:hover {
    background: linear-gradient(135deg, var(--surface) 0%, var(--background-warm) 100%);
    border-color: var(--accent);
    box-shadow: 0 2px 6px var(--shadow-warm);
    transform: translateY(-1px);
}

/* フォーム */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--text);
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-lg);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--surface);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(123, 139, 111, 0.1);
    background-color: var(--surface-warm);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* アニメーション */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* スタガードアニメーション */
.fade-in:nth-child(1) { transition-delay: 0.1s; }
.fade-in:nth-child(2) { transition-delay: 0.2s; }
.fade-in:nth-child(3) { transition-delay: 0.3s; }
.fade-in:nth-child(4) { transition-delay: 0.4s; }
.fade-in:nth-child(5) { transition-delay: 0.5s; }
.fade-in:nth-child(6) { transition-delay: 0.6s; }

/* レスポンシブ */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .navbar-content {
        flex-wrap: wrap;
    }
    
    .nav-links {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
        font-size: 0.9rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .pain-card {
        min-height: auto;
    }
    
    /* ドキュメントページのレスポンシブ */
    .docs-content > div[style*="grid-template-columns"] {
        display: block !important;
    }
    
    .docs-sidebar {
        margin-bottom: var(--spacing-lg);
    }
    
    /* 機能紹介ページのレスポンシブ */
    .card > div[style*="grid-template-columns"] {
        display: block !important;
    }
    
    .card > div[style*="grid-template-columns"] > div:first-child {
        margin-bottom: var(--spacing-md);
        text-align: center;
    }
    
    /* 料金テーブルのレスポンシブ */
    .pricing-table {
        grid-template-columns: 1fr;
    }
    
    /* フォームのレスポンシブ */
    .form-group input,
    .form-group textarea,
    .form-group select {
        font-size: 16px; /* iOSのズーム防止 */
    }
}

/* ドキュメント用スタイル */
.docs-sidebar {
    background-color: var(--surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.docs-sidebar ul {
    list-style: none;
}

.docs-sidebar ul li {
    margin-bottom: var(--spacing-xs);
}

.docs-sidebar a {
    color: var(--text);
    padding: var(--spacing-xs) var(--spacing-sm);
    display: block;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.docs-sidebar a:hover,
.docs-sidebar a.active {
    background-color: var(--background);
    color: var(--primary);
}

.docs-content {
    background-color: var(--surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: 0 2px 8px var(--shadow);
}

.docs-content h2 {
    border-bottom: 2px solid var(--border);
    padding-bottom: var(--spacing-sm);
    margin-top: var(--spacing-xl);
}

.docs-content h2:first-child {
    margin-top: 0;
}

.docs-content code {
    background-color: var(--background);
    padding: 0.2em 0.4em;
    border-radius: var(--radius-sm);
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
}

.docs-content pre {
    background-color: var(--background);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: var(--spacing-md) 0;
}

.docs-content pre code {
    background-color: transparent;
    padding: 0;
}

.docs-content ul,
.docs-content ol {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.docs-content blockquote {
    border-left: 4px solid var(--primary);
    padding-left: var(--spacing-md);
    margin: var(--spacing-md) 0;
    color: var(--text-light);
    font-style: italic;
}

/* FAQ */
.faq-item {
    background-color: var(--surface);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    box-shadow: 0 2px 8px var(--shadow);
}

.faq-question {
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--text-light);
    transition: var(--transition);
}

.faq-item.active .faq-question::after {
    content: '−';
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    color: var(--text-light);
}

.faq-item.active .faq-answer {
    max-height: 1000px;
    padding-top: var(--spacing-sm);
}