/* ===================================
   Luna's Tarot - プレミアムデザイン
   ビジネスエグゼクティブ向け高級感LP
   =================================== */

/* ===== カラーパレット（高級感重視） ===== */
:root {
    /* ダークトーン基調 */
    --dark-navy: #0A1628;
    --dark-charcoal: #1A1F2E;
    --deep-slate: #2C3442;
    --medium-gray: #3F4756;
    
    /* ゴールド系 */
    --gold: #D4AF37;
    --gold-light: #E8C4A0;
    --gold-dark: #B8941F;
    --gold-text: #F0E6D2;
    
    /* パープル系（ブランドカラー） */
    --purple-deep: #4A3866;
    --purple-medium: #6B4E8C;
    --purple-light: #8B6FA8;
    
    /* テキスト */
    --text-primary: #F5F5F0;
    --text-secondary: #C8C8C0;
    --text-muted: #9A9A90;
    
    /* 背景 */
    --bg-primary: #0A1628;
    --bg-secondary: #1A1F2E;
    --bg-card: #2C3442;
    
    /* ボーダー・区切り */
    --border-gold: #D4AF37;
    --border-dark: #3F4756;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", "Yu Gothic", "Noto Sans JP", sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.8;
    overflow-x: hidden;
    letter-spacing: 0.03em;
}

h1, h2, h3, h4, h5, h6 {
    font-family: "Playfair Display", "游明朝", "Yu Mincho", serif;
    font-weight: 700;
    letter-spacing: 0.05em;
    line-height: 1.4;
}

/* ===== ヘッダー（高級感） ===== */
.new-header {
    background: linear-gradient(180deg, rgba(10, 22, 40, 0.98) 0%, rgba(10, 22, 40, 0.95) 100%);
    backdrop-filter: blur(10px);
    padding: 25px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-gold);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.logo {
    font-size: 20px;
    font-weight: 700;
    color: var(--gold);
    text-decoration: none;
    font-family: "Playfair Display", serif;
    letter-spacing: 0.08em;
    transition: color 0.3s ease;
}

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

.main-nav {
    display: flex;
    gap: 40px;
}

.main-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 0.05em;
    transition: all 0.3s ease;
    position: relative;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold);
    transition: width 0.3s ease;
}

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

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

.header-cta-button {
    background: linear-gradient(135deg, var(--gold-dark) 0%, var(--gold) 100%);
    color: var(--dark-navy);
    padding: 14px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.08em;
    transition: all 0.4s ease;
    box-shadow: 0 4px 20px rgba(212, 175, 55, 0.3);
}

.header-cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(212, 175, 55, 0.5);
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
}

/* ハンバーガーメニュー */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.hamburger span {
    width: 28px;
    height: 2px;
    background: var(--gold);
    transition: all 0.3s ease;
}

/* ===== セクション共通スタイル ===== */
.section-title {
    font-size: 48px;
    color: var(--gold);
    text-align: center;
    margin-bottom: 30px;
    letter-spacing: 0.1em;
    font-weight: 700;
}

.section-description {
    font-size: 18px;
    color: var(--text-secondary);
    text-align: center;
    line-height: 2;
    letter-spacing: 0.05em;
}

/* ===== ヒーローセクション ===== */
.hero-section {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--dark-navy) 0%, var(--dark-charcoal) 50%, var(--purple-deep) 100%);
    padding: 100px 5%;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><path d="M0,300 Q300,100 600,300 T1200,300" stroke="%23D4AF37" stroke-width="1" fill="none" opacity="0.1"/></svg>');
    opacity: 0.1;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
}

.hero-title {
    font-size: 64px;
    color: var(--gold);
    margin-bottom: 30px;
    line-height: 1.3;
    letter-spacing: 0.08em;
    animation: fadeInUp 1s ease;
}

.sub-title {
    display: block;
    font-size: 28px;
    color: var(--text-secondary);
    margin-top: 20px;
    font-weight: 400;
}

.hero-description {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 50px;
    line-height: 2;
    animation: fadeInUp 1.2s ease;
}

.hero-buttons {
    display: flex;
    gap: 25px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1.4s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gold-dark) 0%, var(--gold) 100%);
    color: var(--dark-navy);
    padding: 18px 45px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 16px;
    letter-spacing: 0.08em;
    transition: all 0.4s ease;
    box-shadow: 0 6px 25px rgba(212, 175, 55, 0.4);
}

.btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 40px rgba(212, 175, 55, 0.6);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    padding: 18px 45px;
    border: 2px solid var(--gold);
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    letter-spacing: 0.08em;
    transition: all 0.4s ease;
}

.btn-secondary:hover {
    background: var(--gold);
    color: var(--dark-navy);
    transform: translateY(-4px);
    box-shadow: 0 10px 40px rgba(212, 175, 55, 0.4);
}

/* ===== YouTube動画セクション ===== */
.youtube-section {
    background: var(--bg-secondary);
    padding: 100px 5%;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 50px auto 0;
}

.video-item {
    background: var(--bg-card);
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.4s ease;
    border: 1px solid var(--border-dark);
}

.video-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 50px rgba(212, 175, 55, 0.2);
    border-color: var(--gold);
}

.video-item iframe {
    width: 100%;
    height: 250px;
    border: none;
}

.video-title {
    padding: 20px;
    font-size: 18px;
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: 0.05em;
}

/* ===== 個人鑑定メニュー ===== */
.reading-section {
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--dark-charcoal) 100%);
    padding: 100px 5%;
}

.reading-plans {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 50px auto 0;
}

.plan-card {
    background: var(--bg-card);
    border: 2px solid var(--border-dark);
    border-radius: 20px;
    padding: 50px 35px;
    text-align: center;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.plan-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--gold) 0%, var(--gold-light) 100%);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

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

.plan-card:hover {
    transform: translateY(-10px);
    border-color: var(--gold);
    box-shadow: 0 20px 60px rgba(212, 175, 55, 0.25);
}

.plan-card.popular {
    border-color: var(--gold);
    box-shadow: 0 10px 40px rgba(212, 175, 55, 0.2);
}

.plan-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
    color: var(--dark-navy);
    padding: 8px 25px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-bottom: 25px;
}

.plan-name {
    font-size: 32px;
    color: var(--gold);
    margin-bottom: 15px;
    letter-spacing: 0.08em;
}

.plan-price {
    font-size: 48px;
    color: var(--text-primary);
    font-weight: 700;
    margin-bottom: 10px;
}

.plan-duration {
    font-size: 16px;
    color: var(--text-muted);
    margin-bottom: 30px;
}

.plan-features {
    list-style: none;
    padding: 0;
    margin: 30px 0;
    text-align: left;
}

.plan-features li {
    padding: 12px 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-dark);
    font-size: 15px;
    letter-spacing: 0.03em;
}

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

.plan-features li i {
    color: var(--gold);
    margin-right: 12px;
}

/* ===== 選ばれる理由セクション ===== */
.reasons-section {
    background: var(--bg-secondary);
    padding: 100px 5%;
}

.reasons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 50px;
    max-width: 1200px;
    margin: 50px auto 0;
}

.reason-item {
    text-align: center;
    padding: 40px;
    background: var(--bg-card);
    border-radius: 15px;
    transition: all 0.4s ease;
    border: 1px solid var(--border-dark);
}

.reason-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 50px rgba(212, 175, 55, 0.2);
    border-color: var(--gold);
}

.reason-icon {
    font-size: 60px;
    color: var(--gold);
    margin-bottom: 25px;
}

.reason-title {
    font-size: 24px;
    color: var(--gold);
    margin-bottom: 20px;
    letter-spacing: 0.05em;
}

.reason-description {
    color: var(--text-secondary);
    line-height: 1.9;
    font-size: 15px;
}

/* ===== CTAセクション ===== */
.cta-section {
    background: linear-gradient(135deg, var(--purple-deep) 0%, var(--dark-navy) 100%);
    padding: 100px 5%;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.cta-title {
    font-size: 42px;
    color: var(--gold);
    margin-bottom: 30px;
    letter-spacing: 0.08em;
}

.cta-description {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 2;
}

/* ===== フッター ===== */
footer {
    background: var(--dark-navy);
    color: var(--text-secondary);
    padding: 80px 5% 40px;
    border-top: 1px solid var(--border-gold);
}

footer h4 {
    color: var(--gold);
    font-size: 18px;
    margin-bottom: 20px;
    letter-spacing: 0.08em;
}

footer a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 14px;
}

footer a:hover {
    color: var(--gold);
}

footer ul {
    list-style: none;
    padding: 0;
}

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

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 50px;
    max-width: 1200px;
    margin: 0 auto 50px;
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid var(--border-dark);
    color: var(--text-muted);
    font-size: 13px;
    letter-spacing: 0.05em;
}

/* ===== アニメーション ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

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

/* ===== レスポンシブデザイン ===== */
@media (max-width: 768px) {
    .new-header {
        padding: 20px 5%;
    }
    
    .logo {
        font-size: 16px;
    }
    
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-secondary);
        flex-direction: column;
        padding: 30px 5%;
        gap: 20px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    }
    
    .main-nav.active {
        display: flex;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-title {
        font-size: 40px;
    }
    
    .sub-title {
        font-size: 20px;
    }
    
    .hero-description {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn-primary,
    .btn-secondary {
        padding: 16px 30px;
        font-size: 15px;
    }
    
    .reading-plans,
    .reasons-grid,
    .video-grid {
        grid-template-columns: 1fr;
    }
    
    .plan-name {
        font-size: 28px;
    }
    
    .plan-price {
        font-size: 40px;
    }
    
    .cta-title {
        font-size: 32px;
    }
}

/* ===== ユーティリティ ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.mt-50 {
    margin-top: 50px;
}

.mb-50 {
    margin-bottom: 50px;
}