/* ==========================================
   TAKA-MAP Website Styles
   沖縄テーマカラー: ネイビーブルー + アクセントレッド
   ========================================== */

/* ==========================================
   Reset & Base Styles
   ========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 既存サイトのカラースキーム */
    --primary-color: #1a3a5c; /* 濃紺（ネイビーブルー） */
    --primary-dark: #0f2744;
    --primary-light: #2a4f7c;
    --accent-color: #d32f2f; /* アクセントレッド */
    --accent-hover: #b71c1c;
    
    /* セカンダリカラー */
    --secondary-color: #00acc1; /* 沖縄の海をイメージした明るいブルー */
    --secondary-light: #4fc3f7;
    
    /* テキストカラー */
    --text-dark: #212121;
    --text-medium: #424242;
    --text-light: #757575;
    --text-white: #ffffff;
    
    /* 背景カラー */
    --bg-white: #ffffff;
    --bg-light: #f5f5f5;
    --bg-gray: #e0e0e0;
    
    /* その他 */
    --border-color: #e0e0e0;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.15);
    
    /* フォント */
    --font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* スペーシング */
    --section-padding: 80px 0;
    --container-padding: 0 20px;
}

body {
    font-family: var(--font-family);
    color: var(--text-dark);
    line-height: 1.7;
    background-color: var(--bg-white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

/* ==========================================
   Header & Navigation
   ========================================== */
.header {
    background-color: var(--bg-white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: 15px 0;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    font-weight: 900;
    font-size: 1.8rem;
    color: var(--primary-color);
    letter-spacing: 0.5px;
}

.logo-text {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-menu li a {
    color: var(--text-medium);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 8px 0;
    position: relative;
}

.nav-menu li a:not(.btn-nav)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-menu li a:not(.btn-nav):hover::after {
    width: 100%;
}

.btn-nav {
    background-color: var(--accent-color);
    color: var(--text-white);
    padding: 10px 24px;
    border-radius: 50px;
    font-weight: 600;
}

.btn-nav:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* 認証ボタン */
.nav-auth {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-login,
.btn-signup {
    padding: 10px 24px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    white-space: nowrap;
}

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

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

.btn-signup {
    background-color: var(--accent-color);
    color: var(--text-white);
}

.btn-signup:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.auth-link {
    text-align: center;
    margin-top: 20px;
    font-size: 0.95rem;
    color: var(--text-light);
}

.auth-link a {
    color: var(--accent-color);
    font-weight: 600;
    text-decoration: underline;
}

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

/* モバイルメニュートグル */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* ==========================================
   Buttons
   ========================================== */
.btn {
    display: inline-block;
    padding: 12px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-lg {
    padding: 16px 40px;
    font-size: 1.1rem;
}

.btn-primary {
    background-color: var(--accent-color);
    color: var(--text-white);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

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

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

/* ==========================================
   Hero Section
   ========================================== */
.hero {
    background: linear-gradient(135deg, #1a3a5c 0%, #2a4f7c 50%, #00acc1 100%);
    color: var(--text-white);
    padding: 100px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="rgba(255,255,255,0.05)" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
    opacity: 0.3;
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
    font-size: 1.3rem;
    font-weight: 400;
    line-height: 1.6;
    margin-bottom: 30px;
    opacity: 0.95;
}

.hero-badges {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.badge {
    background-color: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.badge i {
    color: var(--secondary-light);
}

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

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

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.95rem;
    opacity: 0.9;
}

/* ==========================================
   Section Styles
   ========================================== */
.section {
    padding: var(--section-padding);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

/* ==========================================
   About Section
   ========================================== */
.about-section {
    background-color: var(--bg-white);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-text {
    font-size: 1.1rem;
    line-height: 1.8;
}

.about-text p {
    margin-bottom: 20px;
}

.about-highlight {
    background-color: var(--bg-light);
    border-left: 4px solid var(--accent-color);
    padding: 30px;
    margin-top: 40px;
    border-radius: 8px;
    position: relative;
}

.about-highlight i {
    color: var(--accent-color);
    font-size: 2rem;
    opacity: 0.3;
    position: absolute;
    top: 20px;
    left: 20px;
}

.about-highlight p {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
    margin: 0;
    padding-left: 40px;
}

/* ==========================================
   Features Section
   ========================================== */
.features-section {
    background-color: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.feature-card {
    background-color: var(--bg-white);
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.feature-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.feature-text {
    font-size: 1rem;
    color: var(--text-medium);
    line-height: 1.7;
}

/* ==========================================
   Use Cases Section
   ========================================== */
.use-cases-section {
    background-color: var(--bg-white);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.use-case-card {
    background-color: var(--bg-light);
    padding: 35px 25px;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
}

.use-case-card:hover {
    background-color: var(--primary-color);
    color: var(--text-white);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.use-case-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background-color: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.use-case-card:hover .use-case-icon {
    background-color: var(--text-white);
}

.use-case-icon i {
    font-size: 2rem;
    color: var(--text-white);
    transition: all 0.3s ease;
}

.use-case-card:hover .use-case-icon i {
    color: var(--accent-color);
}

.use-case-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.use-case-card p {
    font-size: 0.95rem;
    line-height: 1.6;
    opacity: 0.9;
}

/* ==========================================
   Sample Section
   ========================================== */
.sample-section {
    background-color: var(--bg-light);
}

.sample-content {
    max-width: 1000px;
    margin: 0 auto;
}

.sample-info h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.sample-info > p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 40px;
}

.sample-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.sample-feature-item {
    background-color: var(--bg-white);
    padding: 25px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.sample-feature-item i {
    font-size: 2rem;
    color: var(--accent-color);
    flex-shrink: 0;
}

.sample-feature-item strong {
    display: block;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.sample-feature-item p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin: 0;
}

/* ==========================================
   Pricing Section
   ========================================== */
.pricing-section {
    background-color: var(--bg-white);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1100px;
    margin: 0 auto 40px;
}

.pricing-card {
    background-color: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 40px 30px;
    text-align: center;
    position: relative;
    transition: all 0.3s ease;
}

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

.pricing-card-popular {
    border-color: var(--accent-color);
    box-shadow: var(--shadow-lg);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--accent-color);
    color: var(--text-white);
    padding: 6px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
}

.pricing-header {
    margin-bottom: 30px;
}

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

.pricing-price {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 5px;
    margin-bottom: 10px;
}

.price-currency {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-medium);
}

.price-amount {
    font-size: 4rem;
    font-weight: 900;
    color: var(--primary-color);
    line-height: 1;
}

.price-suffix {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-medium);
    align-self: flex-end;
    margin-bottom: 10px;
}

.pricing-period {
    font-size: 1rem;
    color: var(--text-light);
}

.pricing-features {
    text-align: left;
    margin-bottom: 30px;
}

.pricing-features li {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.pricing-features li i.fa-check {
    color: #4caf50;
    font-size: 1.1rem;
}

.pricing-features li i.fa-times {
    color: #e0e0e0;
    font-size: 1.1rem;
}

.pricing-note {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: var(--bg-light);
    border-radius: 8px;
}

.pricing-note i {
    color: var(--accent-color);
    margin-right: 5px;
}

.pricing-note a {
    color: var(--accent-color);
    font-weight: 600;
    text-decoration: underline;
}

/* ==========================================
   Trust Section
   ========================================== */
.trust-section {
    background-color: var(--bg-light);
}

.trust-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.trust-stat-item {
    background-color: var(--bg-white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 20px;
}

.trust-stat-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.trust-stat-icon i {
    font-size: 2rem;
    color: var(--text-white);
}

.trust-stat-number {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.trust-stat-label {
    font-size: 0.95rem;
    color: var(--text-light);
}

.trust-text {
    max-width: 900px;
    margin: 0 auto;
    background-color: var(--bg-white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.trust-text h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.trust-text p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-medium);
}

/* ==========================================
   CTA Section
   ========================================== */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--text-white);
}

.cta-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 20px;
}

.cta-text {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.95;
}

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

/* ==========================================
   Footer
   ========================================== */
.footer {
    background-color: var(--primary-dark);
    color: var(--text-white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--text-white), var(--secondary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 15px;
}

.footer-description {
    font-size: 0.95rem;
    line-height: 1.7;
    opacity: 0.8;
}

.footer-heading {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--text-white);
    opacity: 0.8;
    font-size: 0.95rem;
    transition: opacity 0.3s ease;
}

.footer-links a:hover {
    opacity: 1;
    text-decoration: underline;
}

.footer-company-info {
    font-size: 0.95rem;
    line-height: 1.8;
    opacity: 0.8;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 0.9rem;
    opacity: 0.7;
}

/* ==========================================
   Responsive Design
   ========================================== */

/* Tablet */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        gap: 40px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .features-grid,
    .use-cases-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .trust-stats {
        grid-template-columns: 1fr;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--bg-white);
        box-shadow: var(--shadow);
        flex-direction: column;
        padding: 20px;
        gap: 15px;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-auth {
        flex-direction: column;
        width: 100%;
        gap: 10px;
    }
    
    .btn-login,
    .btn-signup {
        width: 100%;
        text-align: center;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
}

/* Mobile */
@media (max-width: 480px) {
    .hero {
        padding: 60px 0 40px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-badges {
        flex-direction: column;
        align-items: center;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .btn-lg {
        padding: 14px 32px;
        font-size: 1rem;
    }
    
    .cta-title {
        font-size: 2rem;
    }
    
    .cta-text {
        font-size: 1rem;
    }
}