/* ===================================
   チカメシ ランディングページ CSS
   =================================== */

/* --- Variables --- */
:root {
    --primary-color: #FF6B35;
    --primary-dark: #E55A2B;
    --secondary-color: #2D3436;
    --accent-color: #00B894;
    --background-light: #F8F9FA;
    --background-dark: #1A1A2E;
    --text-primary: #2D3436;
    --text-secondary: #636E72;
    --text-light: #FFFFFF;
    --border-color: #DFE6E9;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s ease;
}

/* --- Reset & Base --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--text-light);
}

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

a:hover {
    color: var(--primary-dark);
}

ul, ol {
    padding-left: 1.5rem;
}

/* --- Container --- */
.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* --- Header --- */
.header {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
    text-decoration: none;
}

.logo-icon {
    font-size: 1.5rem;
}

.nav {
    display: flex;
    gap: 2rem;
}

.nav a {
    color: var(--text-secondary);
    font-weight: 500;
}

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

/* --- Language Selector --- */
.lang-selector {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--text-light);
    font-size: 0.875rem;
    cursor: pointer;
    color: var(--text-primary);
}

.lang-selector:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* --- Hero Section --- */
.hero {
    background: linear-gradient(135deg, #FF6B35 0%, #FF8C5A 50%, #FFA07A 100%);
    color: var(--text-light);
    padding: 5rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1.5rem;
}

.hero .highlight {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.15);
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-lg);
}

.hero-feature-icon {
    font-size: 1.25rem;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    border: none;
}

.btn-primary {
    background: var(--secondary-color);
    color: var(--text-light);
}

.btn-primary:hover {
    background: #1A1A2E;
    color: var(--text-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--text-light);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

.btn-icon {
    font-size: 1.25rem;
}

/* --- Features Section --- */
.features {
    padding: 5rem 0;
    background: var(--background-light);
}

.features h2,
.pricing h2,
.faq h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
}

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

.feature-card {
    background: var(--text-light);
    padding: 2rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--transition);
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* --- Pricing Section --- */
.pricing {
    padding: 5rem 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 700px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--text-light);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    text-align: center;
    position: relative;
    transition: var(--transition);
}

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

.pricing-card.featured {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, #FFF5F0 0%, #FFFFFF 100%);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: var(--text-light);
    padding: 0.25rem 1rem;
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 600;
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
}

.price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-secondary);
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin: 2rem 0;
    text-align: left;
}

.pricing-features li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
}

/* --- FAQ Section --- */
.faq {
    padding: 5rem 0;
    background: var(--background-light);
}

.faq-list {
    max-width: 700px;
    margin: 0 auto;
}

.faq-item {
    background: var(--text-light);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-item summary {
    padding: 1.25rem 1.5rem;
    cursor: pointer;
    font-weight: 600;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--primary-color);
}

.faq-item[open] summary::after {
    content: '−';
}

.faq-item p {
    padding: 0 1.5rem 1.25rem;
    color: var(--text-secondary);
}

/* --- Footer --- */
.footer {
    background: var(--secondary-color);
    color: var(--text-light);
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.25rem;
}

.footer-nav {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-nav a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

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

.footer-contact a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact a:hover {
    color: var(--text-light);
}

.footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

/* --- Legal Pages --- */
.legal-page {
    padding: 3rem 0 5rem;
}

.legal-page h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.legal-date {
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

.legal-section {
    margin-bottom: 2.5rem;
}

.legal-section h2 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-color);
}

.legal-section p,
.legal-section ul,
.legal-section ol {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.legal-section li {
    margin-bottom: 0.5rem;
}

/* --- Tokushoho Table --- */
.tokushoho-table {
    overflow-x: auto;
}

.tokushoho-table table {
    width: 100%;
    border-collapse: collapse;
    background: var(--text-light);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.tokushoho-table th,
.tokushoho-table td {
    padding: 1rem 1.25rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.tokushoho-table th {
    background: var(--background-light);
    font-weight: 600;
    width: 30%;
    white-space: nowrap;
}

.tokushoho-table td {
    color: var(--text-secondary);
}

.tokushoho-table tr:last-child th,
.tokushoho-table tr:last-child td {
    border-bottom: none;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 1.75rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-features {
        flex-direction: column;
        gap: 1rem;
    }

    .nav {
        display: none;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-nav {
        justify-content: center;
    }

    .tokushoho-table th {
        width: 35%;
    }
}