/*
Theme Name: TikTok Shop Consulting
Theme URI: https://example.com
Author: TikTok Shop Consulting Team
Author URI: https://example.com
Description: TikTokショップコンサルティングビジネス向けのWordPressテーマ。TikTokブランドカラー（黒・ピンク・水色）を使用したモダンでダイナミックなデザイン。
Version: 1.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: tiktok-shop-consulting
Tags: business, consulting, ecommerce, responsive, modern
*/

/* ========================================
   CSS変数定義（TikTokブランドカラー）
======================================== */
:root {
    --color-black: #000000;
    --color-pink: #FE2C55;
    --color-cyan: #25F4EE;
    --color-white: #FFFFFF;
    --color-gray-light: #F8F8F8;
    --color-gray-dark: #333333;
    --color-text: #333333;
    
    --font-main: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Poppins', 'Noto Sans JP', sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    --border-radius: 8px;
    --box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

/* ========================================
   リセット & 基本スタイル
======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-main);
    color: var(--color-text);
    line-height: 1.8;
    background-color: var(--color-white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 2rem;
}

h4 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

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

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

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

ul, ol {
    list-style: none;
}

/* ========================================
   コンテナ & レイアウト
======================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
}

.section-dark {
    background-color: var(--color-black);
    color: var(--color-white);
}

.section-light {
    background-color: var(--color-gray-light);
}

/* ========================================
   ヘッダー
======================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    transition: var(--transition);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem var(--spacing-md);
}

.site-logo a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

/* ナビゲーション */
.main-navigation ul {
    display: flex;
    gap: 2rem;
}

.main-navigation a {
    color: var(--color-white);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.main-navigation a:hover,
.main-navigation a.active {
    background-color: var(--color-pink);
    color: var(--color-white);
}

/* ハンバーガーメニュー */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 10px;
}

.mobile-menu-toggle span {
    width: 30px;
    height: 3px;
    background-color: var(--color-white);
    transition: var(--transition);
}

/* ========================================
   ボタン
======================================== */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    text-align: center;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-pink), #FF4D7A);
    color: var(--color-white);
    box-shadow: 0 4px 20px rgba(254, 44, 85, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 30px rgba(254, 44, 85, 0.6);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--color-cyan), #4DFFFF);
    color: var(--color-black);
    box-shadow: 0 4px 20px rgba(37, 244, 238, 0.4);
}

.btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 30px rgba(37, 244, 238, 0.6);
}

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

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

/* ========================================
   ヒーローセクション
======================================== */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #000000 0%, #1a1a1a 100%);
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(254, 44, 85, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(37, 244, 238, 0.15) 0%, transparent 50%);
    animation: gradientShift 10s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--color-white);
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--color-white), var(--color-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 3rem;
    color: #cccccc;
    animation: fadeInUp 1s ease-out 0.2s backwards;
}

.hero-cta {
    animation: fadeInUp 1s ease-out 0.4s backwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   セクションタイトル
======================================== */
.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-pink), var(--color-cyan));
    border-radius: 2px;
}

.section-title p {
    font-size: 1.1rem;
    color: #666;
}

/* ========================================
   お悩みセクション
======================================== */
.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.problem-card {
    background-color: var(--color-white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
}

.problem-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.problem-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--color-pink);
}

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

.problem-card p {
    font-size: 1rem;
    color: #666;
    line-height: 1.6;
}

/* ========================================
   理由セクション
======================================== */
.reasons-container {
    margin-top: 3rem;
}

.reason-item {
    background-color: var(--color-white);
    padding: 2.5rem;
    margin-bottom: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    border-left: 5px solid var(--color-pink);
}

.reason-item h3 {
    font-size: 1.8rem;
    color: var(--color-black);
    margin-bottom: 1rem;
}

.reason-item p {
    font-size: 1.1rem;
    color: #555;
    line-height: 1.8;
}

/* 比較表 */
.comparison-table-container {
    margin-top: 3rem;
    overflow-x: auto;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--color-white);
    box-shadow: var(--box-shadow);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.comparison-table thead {
    background: linear-gradient(135deg, var(--color-black), #333);
    color: var(--color-white);
}

.comparison-table th,
.comparison-table td {
    padding: 1.5rem;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.comparison-table th {
    font-weight: 600;
    font-size: 1.1rem;
}

.comparison-table tbody tr:hover {
    background-color: #f9f9f9;
}

.comparison-table td:first-child {
    font-weight: 600;
    color: var(--color-black);
}

.comparison-table td:nth-child(2) {
    color: var(--color-pink);
    font-weight: 500;
}

/* ========================================
   後悔する理由セクション
======================================== */
.regret-reasons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.regret-card {
    background-color: var(--color-white);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    position: relative;
}

.regret-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--color-pink), var(--color-cyan));
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.regret-number {
    display: inline-block;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-pink), var(--color-cyan));
    color: var(--color-white);
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.regret-card h3 {
    font-size: 1.5rem;
    color: var(--color-black);
    margin-bottom: 1rem;
}

.regret-card p {
    font-size: 1rem;
    color: #555;
    line-height: 1.8;
}

/* ========================================
   料金プランセクション
======================================== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.pricing-card {
    background-color: var(--color-white);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.pricing-card.featured {
    border: 3px solid var(--color-pink);
}

.pricing-card.featured::before {
    content: 'おすすめ';
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--color-pink), var(--color-cyan));
    color: var(--color-white);
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
}

.pricing-card h3 {
    font-size: 1.8rem;
    color: var(--color-black);
    margin-bottom: 1rem;
}

.pricing-price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-pink);
    margin-bottom: 1.5rem;
}

.pricing-price span {
    font-size: 1.2rem;
    color: #666;
}

.pricing-features {
    text-align: left;
    margin-bottom: 2rem;
}

.pricing-features li {
    padding: 0.8rem 0;
    border-bottom: 1px solid #eee;
    color: #555;
    font-size: 1rem;
}

.pricing-features li::before {
    content: '✓';
    color: var(--color-cyan);
    font-weight: 700;
    margin-right: 0.5rem;
}

/* ========================================
   導入事例セクション
======================================== */
.cases-container {
    margin-top: 3rem;
}

.case-item {
    background-color: var(--color-white);
    padding: 2.5rem;
    margin-bottom: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.case-header {
    margin-bottom: 1.5rem;
}

.case-title {
    font-size: 1.8rem;
    color: var(--color-black);
    margin-bottom: 1rem;
}

.case-content p {
    font-size: 1.1rem;
    color: #555;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.case-result {
    background: linear-gradient(135deg, var(--color-pink), #FF4D7A);
    color: var(--color-white);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: 0 4px 20px rgba(254, 44, 85, 0.3);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-pink);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    color: #666;
}

/* ========================================
   強みセクション
======================================== */
.strengths-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.strength-card {
    background-color: var(--color-white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.strength-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.strength-icon {
    font-size: 2.5rem;
    color: var(--color-cyan);
    margin-bottom: 1rem;
}

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

.strength-card p {
    font-size: 1rem;
    color: #666;
    line-height: 1.6;
}

/* ========================================
   お申し込みの流れセクション
======================================== */
.flow-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.flow-step {
    text-align: center;
    position: relative;
}

.flow-step::after {
    content: '→';
    position: absolute;
    top: 30%;
    right: -1.5rem;
    font-size: 2rem;
    color: var(--color-cyan);
    font-weight: 700;
}

.flow-step:last-child::after {
    display: none;
}

.flow-number {
    display: inline-block;
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--color-pink), var(--color-cyan));
    color: var(--color-white);
    font-size: 2rem;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.flow-step h3 {
    font-size: 1.3rem;
    color: var(--color-black);
    margin-bottom: 1rem;
}

.flow-step p {
    font-size: 1rem;
    color: #666;
}

/* ========================================
   FAQセクション
======================================== */
.faq-container {
    max-width: 900px;
    margin: 3rem auto 0;
}

.faq-item {
    background-color: var(--color-white);
    margin-bottom: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #f9f9f9;
    transition: var(--transition);
}

.faq-question:hover {
    background-color: #f0f0f0;
}

.faq-question h3 {
    font-size: 1.2rem;
    color: var(--color-black);
    margin: 0;
}

.faq-toggle {
    font-size: 1.5rem;
    color: var(--color-pink);
    font-weight: 700;
}

.faq-answer {
    padding: 1.5rem;
    display: none;
    border-top: 1px solid #eee;
}

.faq-answer p {
    font-size: 1rem;
    color: #555;
    line-height: 1.8;
}

.faq-item.active .faq-answer {
    display: block;
}

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

/* ========================================
   CTAセクション
======================================== */
.cta-section {
    background: linear-gradient(135deg, var(--color-black), #1a1a1a);
    color: var(--color-white);
    text-align: center;
    padding: var(--spacing-xl) 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 50%, rgba(254, 44, 85, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 70% 50%, rgba(37, 244, 238, 0.2) 0%, transparent 50%);
}

.cta-content {
    position: relative;
    z-index: 2;
}

.cta-content h2 {
    font-size: 3rem;
    margin-bottom: 2rem;
}

.cta-content p {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    color: #cccccc;
}

/* ========================================
   フッター
======================================== */
.site-footer {
    background-color: var(--color-black);
    color: var(--color-white);
    padding: 3rem 0 1rem;
}

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

.footer-section h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--color-cyan);
}

.footer-section ul li {
    margin-bottom: 0.8rem;
}

.footer-section a {
    color: #cccccc;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--color-pink);
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 2rem;
    text-align: center;
    color: #888;
}

/* ========================================
   お問い合わせフォーム
======================================== */
.contact-form {
    max-width: 700px;
    margin: 3rem auto;
    background-color: var(--color-white);
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.form-group {
    margin-bottom: 2rem;
}

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

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 1rem;
    border: 2px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: var(--font-main);
    transition: var(--transition);
}

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

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

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

/* ========================================
   レスポンシブデザイン
======================================== */
@media (max-width: 768px) {
    /* タイポグラフィ */
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    h3 {
        font-size: 1.5rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    /* ヘッダー */
    .main-navigation {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: rgba(0, 0, 0, 0.98);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    .main-navigation.active {
        max-height: 400px;
    }
    
    .main-navigation ul {
        flex-direction: column;
        padding: 2rem;
        gap: 0;
    }
    
    .main-navigation li {
        border-bottom: 1px solid #333;
    }
    
    .main-navigation a {
        display: block;
        padding: 1rem;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    /* セクション */
    .section {
        padding: 3rem 0;
    }
    
    /* グリッド */
    .problems-grid,
    .reasons-grid,
    .regret-reasons,
    .pricing-grid,
    .strengths-grid {
        grid-template-columns: 1fr;
    }
    
    .flow-container {
        grid-template-columns: 1fr;
    }
    
    .flow-step::after {
        content: '↓';
        top: auto;
        bottom: -1.5rem;
        right: 50%;
        transform: translateX(50%);
    }
    
    /* テーブル */
    .comparison-table {
        font-size: 0.9rem;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: 1rem;
    }
    
    /* フォーム */
    .contact-form {
        padding: 2rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .btn {
        padding: 0.8rem 2rem;
        font-size: 1rem;
    }
    
    .pricing-price {
        font-size: 2.5rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
}

/* ========================================
   アニメーション
======================================== */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

/* スクロールアニメーション用のクラス */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ========================================
   ユーティリティクラス
======================================== */
.text-center {
    text-align: center;
}

.text-pink {
    color: var(--color-pink);
}

.text-cyan {
    color: var(--color-cyan);
}

.bg-gradient {
    background: linear-gradient(135deg, var(--color-pink), var(--color-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }