/* ============================================
   TSUMUGI CREATIVE - 動画制作サイト CSS (Premium Version)
   ============================================ */

/* ============================================
   リセット＆基本設定
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 黄土色・黄色・オレンジカラーパレット */
    --primary-color: #D4A574;      /* 黄土色 (メインカラー) */
    --primary-dark: #B8895F;       /* 濃い黄土色 */
    --primary-light: #E6C9A8;      /* 明るい黄土色 */
    --secondary-color: #FFD700;    /* 黄色 (ゴールド) */
    --accent-color: #FF8C00;       /* オレンジ (ダークオレンジ) */
    --accent-light: #FFA500;       /* 明るいオレンジ */
    
    --text-dark: #2c1810;
    --text-gray: #6b5d4f;
    --text-light: #9b8d7f;
    
    --bg-white: #ffffff;
    --bg-light: #fef9f3;
    --bg-dark: #2c1810;
    --bg-gradient-1: linear-gradient(135deg, #D4A574 0%, #FFD700 100%);
    --bg-gradient-2: linear-gradient(135deg, #FFD700 0%, #FF8C00 100%);
    --bg-gradient-3: linear-gradient(135deg, #FFA500 0%, #FF6347 100%);
    
    --border-color: #f0e6d2;
    --shadow-sm: 0 1px 3px 0 rgba(212, 165, 116, 0.15);
    --shadow-md: 0 3px 8px -1px rgba(212, 165, 116, 0.2);
    --shadow-lg: 0 8px 16px -2px rgba(212, 165, 116, 0.25);
    --shadow-xl: 0 16px 32px -4px rgba(212, 165, 116, 0.3);
    --shadow-2xl: 0 24px 48px -6px rgba(212, 165, 116, 0.35);
    
    /* タイポグラフィ */
    --font-jp: 'Noto Sans JP', sans-serif;
    --font-en: 'Montserrat', sans-serif;
    
    /* スペーシング（コンパクト化） */
    --section-padding: 60px 0;
    --container-padding: 0 20px;
    --border-radius: 12px;
    
    /* トランジション */
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-jp);
    color: var(--text-dark);
    line-height: 1.8;
    background: var(--bg-white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--container-padding);
}

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

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

ul {
    list-style: none;
}

/* ============================================
   ヘッダー（プレミアムデザイン）
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px) saturate(180%);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
    background: rgba(255, 255, 255, 0.96);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
}

.logo h1 {
    font-family: var(--font-en);
    font-size: 26px;
    font-weight: 800;
    color: white;
    letter-spacing: 1.5px;
    margin-bottom: 4px;
    transition: var(--transition-base);
}

.header.scrolled .logo h1 {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.8);
    letter-spacing: 1px;
    font-weight: 500;
    transition: var(--transition-base);
}

.header.scrolled .tagline {
    color: var(--text-gray);
}

.nav-list {
    display: flex;
    gap: 48px;
    align-items: center;
}

.nav-list a {
    font-weight: 600;
    font-size: 15px;
    color: white;
    position: relative;
    padding: 8px 0;
    letter-spacing: 0.3px;
    transition: var(--transition-base);
}

.header.scrolled .nav-list a {
    color: var(--text-dark);
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: white;
    border-radius: 2px;
    transition: width 0.3s ease;
}

.header.scrolled .nav-list a::after {
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

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

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.menu-toggle span {
    width: 28px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: var(--transition-base);
}

/* ============================================
   ヒーローセクション（プレミアム）
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1410 0%, #2c2420 100%);
    overflow: hidden;
    margin-top: 90px;
    padding: 40px 20px;
}

/* 動画コンテナ - 中央に配置して両端に余白 */
.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 85%;
    max-width: 1400px;
    height: auto;
    aspect-ratio: 16 / 9;
    object-fit: contain;
    z-index: 0;
    border-radius: 12px;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.6),
        0 0 0 1px rgba(255, 215, 0, 0.2);
}

/* 動画の周りに装飾的な背景パターン */
.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(212, 165, 116, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 140, 0, 0.08) 0%, transparent 50%);
    z-index: -1;
    pointer-events: none;
}

/* オーバーレイで動画を少し暗くする */
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
    z-index: 1;
    pointer-events: none;
}

@keyframes overlayShift {
    0%, 100% { opacity: 0.8; }
    50% { opacity: 1; }
}

.hero .container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 100;
    width: 100%;
    max-width: 1280px;
}

.hero-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 100;
    text-align: center;
    color: white;
    animation: fadeInUp 1.2s cubic-bezier(0.4, 0, 0.2, 1);
    width: 100%;
    max-width: 1200px;
    padding: 0 20px;
    /* ブラウザ互換性のため追加 */
    -webkit-transform: translate(-50%, -50%) translateZ(0);
    will-change: transform;
}

/* キャッチフレーズ */
.hero-catchphrase {
    position: relative;
    z-index: 100;
    font-size: 22px;
    font-weight: 400;
    letter-spacing: 4px;
    margin-bottom: 24px;
    opacity: 1 !important;
    color: #ffffff !important;
    text-shadow: 
        0 2px 10px rgba(0, 0, 0, 0.8),
        0 4px 20px rgba(0, 0, 0, 0.6),
        0 8px 40px rgba(0, 0, 0, 0.8);
    animation: fadeIn 1.5s ease-in-out;
    display: block !important;
    visibility: visible !important;
}

/* ブランド名 */
.hero-brand {
    position: relative;
    z-index: 100;
    font-family: var(--font-en);
    font-size: 100px;
    font-weight: 900;
    letter-spacing: 18px;
    margin: 0;
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 50%, #FF8C00 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 4px 20px rgba(255, 215, 0, 0.8))
            drop-shadow(0 8px 40px rgba(255, 140, 0, 0.6));
    animation: slideUp 1.8s cubic-bezier(0.4, 0, 0.2, 1);
    display: block !important;
    visibility: visible !important;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 0.95;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 古いスタイルを削除 */
.hero-title,
.hero-subtitle,
.hero-cta {
    display: none;
}

/* ボタンスタイル（プレミアム） */
.btn {
    display: inline-block;
    padding: 18px 48px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 16px;
    cursor: pointer;
    border: none;
    transition: var(--transition-base);
    text-align: center;
    letter-spacing: 0.5px;
    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: left 0.5s;
}

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

.btn-primary {
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    color: #2c1810;
    box-shadow: 
        0 8px 24px rgba(255, 140, 0, 0.4),
        0 4px 12px rgba(0, 0, 0, 0.3);
    font-weight: 800;
    font-size: 18px;
    padding: 20px 50px;
    text-shadow: none;
    border: 2px solid rgba(255, 215, 0, 0.5);
}

.btn-primary:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 
        0 16px 40px rgba(255, 140, 0, 0.5),
        0 8px 20px rgba(0, 0, 0, 0.4),
        0 0 30px rgba(255, 215, 0, 0.3);
    background: linear-gradient(135deg, #FFA500 0%, #FF8C00 100%);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.8);
    box-shadow: 
        0 4px 12px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.95);
    color: #2c1810;
    transform: translateY(-4px);
    box-shadow: 
        0 12px 28px rgba(255, 255, 255, 0.3),
        0 6px 16px rgba(0, 0, 0, 0.4);
    text-shadow: none;
    border-color: #FFD700;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 16px 40px;
}

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

.btn-block {
    width: 100%;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-indicator span {
    display: block;
    width: 26px;
    height: 42px;
    border: 2px solid rgba(255, 255, 255, 0.8);
    border-radius: 16px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 10px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 2px;
    animation: scroll 2s ease infinite;
}

@keyframes scroll {
    0% { top: 10px; opacity: 1; }
    100% { top: 24px; opacity: 0; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   セクション共通スタイル（プレミアム）
   ============================================ */
section {
    padding: var(--section-padding);
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
    position: relative;
}

/* あしらい：ラベルに装飾 */
.section-label {
    display: inline-block;
    font-family: var(--font-en);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 3px;
    text-transform: uppercase;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
    position: relative;
    padding: 8px 32px;
    border: 2px solid var(--primary-color);
    border-radius: 30px;
}

.section-label::before,
.section-label::after {
    content: '•';
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: var(--accent-color);
    font-size: 20px;
}

.section-label::before {
    left: 12px;
}

.section-label::after {
    right: 12px;
}

/* あしらい：タイトルにグラデーション下線 */
.section-title {
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 24px;
    color: var(--text-dark);
    letter-spacing: -0.5px;
    position: relative;
    display: inline-block;
    padding-bottom: 16px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), var(--secondary-color), var(--primary-color));
    border-radius: 2px;
}

.section-description {
    font-size: 18px;
    color: var(--text-gray);
    max-width: 680px;
    margin: 0 auto;
    line-height: 1.9;
    font-weight: 500;
}

/* ============================================
   サービスセクション（プレミアム）
   ============================================ */
.services {
    background: var(--bg-light);
    position: relative;
    overflow: hidden;
}

/* あしらい：背景パターン */
.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background-image: 
        linear-gradient(30deg, transparent 40%, rgba(212, 165, 116, 0.03) 40%, rgba(212, 165, 116, 0.03) 60%, transparent 60%),
        linear-gradient(-30deg, transparent 40%, rgba(255, 215, 0, 0.03) 40%, rgba(255, 215, 0, 0.03) 60%, transparent 60%);
    background-size: 100px 100px;
    pointer-events: none;
}

/* あしらい：光のエフェクト */
.services::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 215, 0, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 48px;
    position: relative;
}

.service-card {
    background: white;
    padding: 56px 44px;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
}

/* あしらい：上部グラデーションボーダー */
.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 50%, var(--accent-color) 100%);
    transform: scaleX(0);
    transition: transform 0.5s ease;
}

/* あしらい：角の装飾 */
.service-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, transparent 50%, rgba(255, 215, 0, 0.1) 50%);
    transition: all 0.5s ease;
}

.service-card:hover {
    border-color: var(--primary-color);
    box-shadow: 
        var(--shadow-xl),
        0 0 40px rgba(212, 165, 116, 0.3);
}

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

.service-card:hover::after {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, transparent 50%, rgba(255, 215, 0, 0.2) 50%);
}

.service-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-2xl);
}

.service-icon {
    width: 88px;
    height: 88px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-purple));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 36px;
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.25);
    transition: var(--transition-base);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

.service-icon i {
    font-size: 40px;
    color: white;
}

.service-title {
    font-size: 30px;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.service-subtitle {
    font-family: var(--font-en);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--text-gray);
    margin-bottom: 36px;
    text-transform: uppercase;
}

.service-list {
    text-align: left;
    margin-bottom: 36px;
}

.service-list li {
    padding: 14px 0;
    color: var(--text-gray);
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 15px;
}

.service-list i {
    color: var(--primary-color);
    font-size: 16px;
    flex-shrink: 0;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 15px;
}

.service-link:hover {
    gap: 14px;
    color: var(--accent-purple);
}

/* ============================================
   ポートフォリオセクション
   ============================================ */
.portfolio {
    background: linear-gradient(180deg, white 0%, var(--bg-light) 100%);
    position: relative;
    overflow: hidden;
}

/* あしらい：装飾的な円 */
.portfolio::before {
    content: '';
    position: absolute;
    top: 10%;
    left: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(212, 165, 116, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.portfolio::after {
    content: '';
    position: absolute;
    bottom: 10%;
    right: -5%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 140, 0, 0.06) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 40px;
}

.portfolio-item {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    border: 2px solid transparent;
    position: relative;
}

/* あしらい：ホバーエフェクト */
.portfolio-item:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 
        var(--shadow-2xl),
        0 0 50px rgba(212, 165, 116, 0.3);
    border-color: var(--primary-color);
}

.portfolio-image {
    position: relative;
    overflow: hidden;
    height: 260px;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-base);
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.08);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(212, 165, 116, 0.95), rgba(255, 140, 0, 0.95));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-base);
}

/* あしらい：オーバーレイにパターン */
.portfolio-overlay::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(255, 255, 255, 0.05) 10px, rgba(255, 255, 255, 0.05) 20px);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-icon {
    width: 72px;
    height: 72px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: scale(0.8);
    transition: var(--transition-base);
}

.portfolio-item:hover .portfolio-icon {
    transform: scale(1);
}

.portfolio-icon i {
    font-size: 28px;
    color: var(--primary-color);
}

.portfolio-content {
    padding: 32px;
}

.portfolio-tags {
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.tag {
    display: inline-block;
    padding: 6px 16px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(212, 165, 116, 0.3);
    transition: var(--transition-fast);
}

.tag:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(212, 165, 116, 0.4);
}

.portfolio-title {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 14px;
    color: var(--text-dark);
    line-height: 1.4;
}

.portfolio-description {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 20px;
}

.portfolio-stats {
    display: flex;
    gap: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.stat {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-gray);
    font-weight: 600;
}

.stat i {
    color: var(--primary-color);
    font-size: 16px;
}

/* ============================================
   料金プランセクション
   ============================================ */
.pricing {
    background: linear-gradient(180deg, var(--bg-light) 0%, white 100%);
}

/* サービス別料金カードグリッド */
.pricing-services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 48px;
}

/* サービスカード */
.service-card {
    background: white;
    border-radius: 16px;
    padding: 32px 24px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    border: 2px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

/* サービスアイコン */
.service-icon {
    width: 72px;
    height: 72px;
    background: var(--bg-gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    box-shadow: var(--shadow-md);
}

.service-icon i {
    font-size: 32px;
    color: white;
}

/* サービスコンテンツ */
.service-content {
    width: 100%;
}

.service-name {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.service-price {
    margin: 16px 0;
    padding: 16px 0;
    background: var(--bg-light);
    border-radius: 12px;
}

.price-amount {
    font-size: 32px;
    font-weight: 900;
    color: var(--primary-color);
    font-family: var(--font-en);
}

.price-unit {
    font-size: 13px;
    color: var(--text-gray);
    font-weight: 600;
}

.service-description {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.7;
}

.service-description small {
    display: block;
    margin-top: 8px;
    font-size: 12px;
    color: var(--text-light);
}

/* 料金の注意事項 */
.pricing-notes {
    background: var(--bg-light);
    padding: 32px 36px;
    border-radius: 16px;
    border-left: 4px solid var(--primary-color);
}

.pricing-notes h3 {
    font-size: 18px;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.pricing-notes ul {
    list-style: none;
}

.pricing-notes li {
    padding: 8px 0;
    color: var(--text-gray);
    font-size: 14px;
    line-height: 1.7;
    display: flex;
    align-items: center;
    gap: 8px;
}

.pricing-notes li i {
    color: var(--primary-color);
    font-size: 14px;
}

/* ============================================
   お悩み解決セクション
   ============================================ */
.problems {
    background: white;
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    margin-bottom: 80px;
}

.problem-card {
    background: var(--bg-light);
    padding: 48px 36px;
    border-radius: 20px;
    text-align: center;
    border: 2px solid var(--border-color);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.problem-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color), var(--accent-color));
    border-radius: 20px;
    opacity: 0;
    transition: var(--transition-base);
    z-index: -1;
}

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

.problem-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: transparent;
    background: white;
    box-shadow: var(--shadow-xl);
}

.problem-icon {
    font-size: 68px;
    margin-bottom: 24px;
}

.problem-icon i {
    background: linear-gradient(135deg, var(--secondary-color), #f97316);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.problem-title {
    font-size: 26px;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.4;
    color: var(--text-dark);
}

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

.solution-banner {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 50%, var(--accent-color) 100%);
    color: white;
    padding: 72px 48px;
    border-radius: 32px;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: 
        var(--shadow-2xl),
        0 0 60px rgba(255, 215, 0, 0.4);
    border: 3px solid rgba(255, 255, 255, 0.3);
}

/* あしらい：パターン装飾 */
.solution-banner::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        repeating-linear-gradient(45deg, transparent, transparent 20px, rgba(255, 255, 255, 0.03) 20px, rgba(255, 255, 255, 0.03) 40px);
    pointer-events: none;
}

.solution-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.solution-banner h3 {
    font-size: 36px;
    font-weight: 900;
    margin-bottom: 24px;
    position: relative;
}

.solution-banner p {
    font-size: 19px;
    margin-bottom: 36px;
    opacity: 0.96;
    line-height: 1.8;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}

/* ============================================
   制作フローセクション
   ============================================ */
.workflow {
    background: var(--bg-light);
}

.workflow-timeline {
    max-width: 900px;
    margin: 0 auto;
}

.workflow-step {
    display: flex;
    gap: 36px;
    margin-bottom: 60px;
    position: relative;
}

.workflow-step:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 38px;
    top: 90px;
    width: 4px;
    height: calc(100% + 20px);
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color), var(--accent-color));
    border-radius: 2px;
    box-shadow: 0 0 10px rgba(255, 215, 0, 0.3);
}

.step-number {
    flex-shrink: 0;
    width: 76px;
    height: 76px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 800;
    font-family: var(--font-en);
    box-shadow: 
        0 8px 24px rgba(212, 165, 116, 0.4),
        0 0 30px rgba(255, 215, 0, 0.3);
    position: relative;
    z-index: 1;
    border: 3px solid rgba(255, 255, 255, 0.3);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.step-content {
    flex: 1;
    background: white;
    padding: 32px 36px;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.step-content:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-lg);
}

.step-title {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 14px;
    color: var(--text-dark);
}

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

/* ============================================
   特徴セクション
   ============================================ */
.features {
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 48px;
}

.feature-item {
    text-align: center;
    padding: 40px 28px;
    background: var(--bg-light);
    border-radius: 20px;
    transition: var(--transition-base);
}

.feature-item:hover {
    transform: translateY(-8px);
    background: white;
    box-shadow: var(--shadow-lg);
}

.feature-item i {
    font-size: 56px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 24px;
    display: block;
}

.feature-item h3 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.feature-item p {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.8;
}

/* ============================================
   お問い合わせセクション
   ============================================ */
.contact {
    background: var(--bg-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 72px;
    align-items: start;
}

.contact-info h3 {
    font-size: 32px;
    font-weight: 900;
    margin-bottom: 24px;
    color: var(--text-dark);
}

.contact-info > p {
    font-size: 17px;
    color: var(--text-gray);
    margin-bottom: 48px;
    line-height: 1.9;
}

.contact-methods {
    margin-bottom: 48px;
}

.contact-method {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    margin-bottom: 36px;
    padding: 24px;
    background: white;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.contact-method:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(8px);
}

.contact-method i {
    font-size: 28px;
    color: var(--primary-color);
    margin-top: 4px;
}

.contact-method h4 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.contact-method p {
    font-size: 15px;
    color: var(--text-gray);
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-purple));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 22px;
    transition: var(--transition-base);
    box-shadow: var(--shadow-md);
}

.social-links a:hover {
    transform: translateY(-6px) scale(1.1);
    box-shadow: var(--shadow-lg);
}

/* フォームスタイル（プレミアム） */
.contact-form {
    background: white;
    padding: 48px 44px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: 28px;
}

.form-group label {
    display: block;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
    font-size: 15px;
}

.required {
    color: #ef4444;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-family: var(--font-jp);
    font-size: 15px;
    transition: var(--transition-base);
    background: var(--bg-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 140px;
}

/* ============================================
   フッター
   ============================================ */
.footer {
    background: linear-gradient(135deg, #2c1810 0%, #1a0f0a 100%);
    color: white;
    padding: 80px 0 32px;
    position: relative;
    overflow: hidden;
}

/* あしらい：フッター装飾 */
.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-color), var(--secondary-color), var(--accent-color), transparent);
}

.footer::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 215, 0, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 80px;
    margin-bottom: 48px;
    position: relative;
    z-index: 1;
}

.footer-brand h2 {
    font-family: var(--font-en);
    font-size: 32px;
    font-weight: 900;
    margin-bottom: 12px;
    letter-spacing: 1.5px;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
}

.footer-brand p {
    font-size: 15px;
    opacity: 0.9;
    color: rgba(255, 255, 255, 0.9);
}

.footer-links {
    display: flex;
    gap: 80px;
}

.footer-column h3 {
    font-size: 18px;
    font-weight: 800;
    margin-bottom: 24px;
}

.footer-column ul li {
    margin-bottom: 14px;
}

.footer-column a {
    font-size: 15px;
    opacity: 0.75;
    transition: var(--transition-base);
}

.footer-column a:hover {
    opacity: 1;
    color: var(--primary-light);
    transform: translateX(4px);
}

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 14px;
    opacity: 0.6;
}

/* ============================================
   レスポンシブデザイン
   ============================================ */

/* タブレット */
@media (max-width: 768px) {
    :root {
        --section-padding: 80px 0;
    }

    .header-content {
        padding: 18px 0;
    }

    .logo h1 {
        font-size: 22px;
    }

    .nav {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: white;
        transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: var(--shadow-xl);
    }

    .nav.active {
        left: 0;
    }

    .nav-list {
        flex-direction: column;
        padding: 48px 24px;
        gap: 0;
    }

    .nav-list li {
        width: 100%;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-list a {
        display: block;
        padding: 24px 0;
        font-size: 17px;
    }

    .menu-toggle {
        display: flex;
    }

    .hero {
        margin-top: 80px;
        padding: 20px 10px;
        min-height: 100vh;
    }

    .hero .container {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        z-index: 100;
        width: 100%;
        max-width: 100%;
    }

    /* タブレット・スマホでの動画表示 */
    .hero-video {
        width: 90%;
        max-width: 100%;
        aspect-ratio: 16 / 9;
    }

    .hero-content {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        z-index: 100;
        width: 100%;
        padding: 0 20px;
    }

    .hero-catchphrase {
        position: relative;
        z-index: 100;
        font-size: 15px;
        letter-spacing: 2px;
        margin-bottom: 16px;
        color: #ffffff;
        opacity: 1;
    }

    .hero-brand {
        position: relative;
        z-index: 100;
        font-size: 52px;
        letter-spacing: 8px;
    }

    .section-title {
        font-size: 36px;
    }

    .section-description {
        font-size: 16px;
    }

    .services-grid,
    .portfolio-grid,
    .problems-grid,
    .features-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .workflow-step {
        gap: 24px;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .contact-form {
        padding: 36px 28px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .footer-links {
        gap: 48px;
    }

    .pricing-popular {
        transform: scale(1);
    }
}

/* スマートフォン */
@media (max-width: 480px) {
    /* 小型スマホでのヒーローセクション調整 */
    .hero {
        padding: 15px 10px;
    }

    .hero .container {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        z-index: 100;
        width: 100%;
        max-width: 100%;
    }

    .hero-video {
        width: 95%;
        aspect-ratio: 16 / 9;
    }

    .hero-content {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        z-index: 100;
        width: 100%;
        padding: 0 15px;
    }

    .hero-catchphrase {
        position: relative;
        z-index: 100;
        font-size: 13px;
        letter-spacing: 1.5px;
        margin-bottom: 12px;
        color: #ffffff;
        opacity: 1;
    }

    .hero-brand {
        position: relative;
        z-index: 100;
        font-size: 40px;
        letter-spacing: 6px;
    }

    .btn {
        padding: 16px 36px;
        font-size: 15px;
    }

    .section-title {
        font-size: 30px;
    }

    .service-card {
        padding: 44px 32px;
    }

    .service-title {
        font-size: 26px;
    }

    .solution-banner {
        padding: 56px 32px;
    }

    .solution-banner h3 {
        font-size: 28px;
    }

    .solution-banner p {
        font-size: 16px;
    }

    .step-number {
        width: 64px;
        height: 64px;
        font-size: 24px;
    }

    .step-content {
        padding: 24px 28px;
    }

    .step-title {
        font-size: 20px;
    }

    .footer-links {
        flex-direction: column;
        gap: 36px;
    }

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

    .portfolio-image {
        height: 220px;
    }

    .pricing-card {
        padding: 40px 28px;
    }

    .price-amount {
        font-size: 40px;
    }
}

/* AOS アニメーション用 */
[data-aos] {
    opacity: 0;
    transition-property: opacity, transform;
    transition-duration: 0.8s;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(40px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-right"] {
    transform: translateX(-40px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-left"] {
    transform: translateX(40px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

[data-aos="zoom-in"] {
    transform: scale(0.92);
}

[data-aos="zoom-in"].aos-animate {
    transform: scale(1);
}