/* ========================================
   リセット & 基本設定
======================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* カラーパレット */
    --primary-color: #c8102e;
    --primary-dark: #a00d24;
    --primary-light: #e6173a;
    --secondary-color: #1a1a1a;
    --accent-color: #f39800;
    --text-dark: #2c2c2c;
    --text-gray: #666666;
    --text-light: #999999;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #e0e0e0;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    
    /* タイポグラフィ */
    --font-primary: 'Noto Sans JP', sans-serif;
    --font-secondary: 'Roboto', sans-serif;
    
    /* スペーシング */
    --section-padding: 140px 0;
    --container-padding: 0 20px;
    
    /* トランジション */
    --transition-base: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    line-height: 1.8;
    font-size: 16px;
    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: var(--transition-base);
}

/* ========================================
   ナビゲーション
======================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}

.nav-logo a {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 1px;
}

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

.nav-link {
    font-weight: 500;
    color: var(--text-dark);
    position: relative;
}

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

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

.nav-cta {
    background: var(--primary-color);
    color: white;
    padding: 10px 20px;
    border-radius: 6px;
}

.nav-cta:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.nav-cta::after {
    display: none;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    transition: var(--transition-base);
    border-radius: 2px;
}

/* ========================================
   ヒーローセクション
======================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1a1a 0%, #2c2c2c 100%);
    overflow: hidden;
    padding-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="60" height="60" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="60" height="60" patternUnits="userSpaceOnUse"><path d="M 60 0 L 0 0 0 60" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

.hero-bg-image {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/screenshot-1.jpg') center/cover no-repeat;
    opacity: 0.2;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.85) 0%, rgba(44, 44, 44, 0.9) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
    max-width: 900px;
    padding: 40px 20px;
}

.hero-badge {
    display: inline-block;
    background: rgba(243, 152, 0, 0.2);
    color: var(--accent-color);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 30px;
    border: 1px solid rgba(243, 152, 0, 0.3);
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 30px;
    letter-spacing: 2px;
}

.hero-title .highlight {
    color: var(--primary-color);
    display: inline-block;
    position: relative;
}

.hero-title .highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 10px;
    background: rgba(200, 16, 46, 0.3);
    z-index: -1;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 50px;
    font-weight: 400;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.hero-feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.8);
}

.hero-feature-item i {
    color: var(--accent-color);
    font-size: 1.2rem;
}

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

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.8rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ========================================
   ボタン
======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: var(--transition-base);
    text-align: center;
    justify-content: center;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

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

.btn-lg {
    padding: 18px 40px;
    font-size: 1.1rem;
}

.btn-submit {
    width: 100%;
    margin-top: 20px;
}

/* ========================================
   セクション共通
======================================== */

.section {
    padding: var(--section-padding);
}

.section-header {
    text-align: center;
    margin-bottom: 100px;
}

.section-label {
    display: inline-block;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 3px;
    margin-bottom: 15px;
    text-transform: uppercase;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 900;
    color: var(--secondary-color);
    margin-bottom: 20px;
    line-height: 1.3;
}

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

/* ========================================
   動画セクション
======================================== */

.video-section {
    padding: 120px 0;
    background: linear-gradient(to bottom, var(--secondary-color) 0%, var(--bg-light) 100%);
}

.video-container {
    max-width: 1000px;
    margin: 0 auto;
}

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

.video-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(200, 16, 46, 0.1);
    color: var(--primary-color);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 20px;
    border: 2px solid rgba(200, 16, 46, 0.2);
}

.video-badge i {
    font-size: 1.1rem;
}

.video-title {
    font-size: 2.5rem;
    font-weight: 900;
    color: white;
    margin-bottom: 15px;
}

.video-description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
}

.video-wrapper {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 アスペクト比 */
    background: #000;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    margin-bottom: 30px;
}

/* YouTube Shorts用（縦長動画 9:16） */
.video-wrapper.youtube-shorts,
.video-wrapper.shorts-vertical {
    position: relative;
    width: 360px !important;
    max-width: 90vw;
    margin-left: auto;
    margin-right: auto;
    padding-top: 177.78% !important; /* 16/9 = 1.7778 → 高さが幅の1.78倍（縦長） */
    height: 0 !important; /* padding-topで高さを制御するため0に */
    background: #000;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    margin-bottom: 30px;
}

/* YouTube Shorts 縦長動画（9:16）コンテナ */
.shorts-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto;
    width: 100%;
}

/* Shorts ラッパー - 9:16比率を強制 */
.shorts-wrapper {
    position: relative;
    width: 600px;
    height: 1067px;
    max-width: 100%;
    margin: 0 auto;
    background: #000;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.4);
}

/* タブレット表示 */
@media (max-width: 1024px) {
    .shorts-wrapper {
        width: 450px;
        height: 800px;
    }
}

/* モバイル表示 */
@media (max-width: 768px) {
    .shorts-wrapper {
        width: 380px;
        height: 676px;
    }
}

/* 小型モバイル */
@media (max-width: 480px) {
    .shorts-wrapper {
        width: 340px;
        height: 604px;
    }
}

/* 極小モバイル */
@media (max-width: 360px) {
    .shorts-wrapper {
        width: 300px;
        height: 533px;
    }
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* YouTube Shorts iframe */
.shorts-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 12px;
}

.video-wrapper video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #000;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.video-wrapper video:not([poster]):not([src]) + .video-overlay,
.video-wrapper video[poster] + .video-overlay {
    opacity: 1;
}

.video-wrapper video:hover + .video-overlay {
    opacity: 0;
}

.play-button {
    width: 80px;
    height: 80px;
    background: rgba(200, 16, 46, 0.95);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
}

.play-button:hover {
    transform: scale(1.1);
    background: var(--primary-color);
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(200, 16, 46, 0.7);
    }
    50% {
        box-shadow: 0 0 0 20px rgba(200, 16, 46, 0);
    }
}

.video-features {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    margin-top: 50px;
}

.video-feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: white;
    font-size: 0.95rem;
    font-weight: 500;
}

.video-feature-item i {
    color: var(--accent-color);
    font-size: 1.2rem;
}

/* セカンダリ動画コンテナ */
.secondary-video {
    margin-top: 140px;
    padding-top: 140px;
    border-top: 2px solid rgba(255, 255, 255, 0.1);
}

.secondary-video .video-badge {
    background: rgba(243, 152, 0, 0.1);
    color: var(--accent-color);
    border: 2px solid rgba(243, 152, 0, 0.2);
}

/* ========================================
   セミナー概要セクション
======================================== */

.about-section {
    background: var(--bg-light);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 50px;
}

.about-main {
    background: white;
    padding: 50px;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
}

.about-text h3 {
    font-size: 1.8rem;
    color: var(--secondary-color);
    margin-bottom: 25px;
}

.about-text p {
    margin-bottom: 20px;
    color: var(--text-gray);
    line-height: 1.9;
}

.philosophy-box {
    background: linear-gradient(135deg, rgba(200, 16, 46, 0.05) 0%, rgba(243, 152, 0, 0.05) 100%);
    padding: 30px;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
    margin-top: 30px;
}

.philosophy-box h4 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.philosophy-box p {
    margin: 0;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.stat-card {
    background: white;
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--secondary-color);
    line-height: 1;
    margin-bottom: 10px;
}

.stat-number span {
    font-size: 2rem;
    color: var(--primary-color);
}

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

/* 実践イメージセクション */
.practice-showcase {
    margin-top: 60px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    background: white;
    padding: 50px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.practice-image {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.practice-image img {
    width: 100%;
    height: 100%;
    display: block;
    transition: transform 0.5s ease;
}

.practice-image:hover img {
    transform: scale(1.05);
}

.practice-badge {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background: rgba(200, 16, 46, 0.95);
    color: white;
    padding: 12px 20px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    font-size: 0.95rem;
    backdrop-filter: blur(10px);
}

.practice-badge i {
    font-size: 1.2rem;
}

.practice-text h3 {
    font-size: 1.8rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.practice-text p {
    color: var(--text-gray);
    line-height: 1.9;
    margin-bottom: 25px;
}

.practice-points {
    list-style: none;
}

.practice-points li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
    color: var(--text-dark);
    font-size: 1.05rem;
}

.practice-points i {
    color: var(--primary-color);
    font-size: 1.1rem;
}

/* ========================================
   課題セクション
======================================== */

.challenges-section {
    background: white;
    position: relative;
}

.challenges-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/screenshot-3.jpg') center/cover no-repeat;
    opacity: 0.03;
    z-index: 0;
}

.challenges-section .container {
    position: relative;
    z-index: 1;
}

.challenges-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.challenge-card {
    background: var(--bg-light);
    padding: 35px;
    border-radius: 12px;
    transition: var(--transition-base);
}

.challenge-card:hover {
    background: white;
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.challenge-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.challenge-card h3 {
    font-size: 1.3rem;
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.challenge-card p {
    color: var(--text-gray);
    line-height: 1.7;
}

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

.solution-arrow {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 30px;
    animation: bounce-arrow 2s infinite;
}

@keyframes bounce-arrow {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

.solution-box {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 40px 60px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.solution-box h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.solution-box p {
    font-size: 1.05rem;
    opacity: 0.95;
}

/* ========================================
   特徴セクション
======================================== */

.features-section {
    background: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.feature-card {
    background: white;
    padding: 50px 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
    transition: var(--transition-base);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--primary-color);
}

.feature-card-primary::before {
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--primary-light) 100%);
}

.feature-card-secondary::before {
    background: linear-gradient(90deg, var(--accent-color) 0%, #ffb347 100%);
}

.feature-card-tertiary::before {
    background: linear-gradient(90deg, #3498db 0%, #2ecc71 100%);
}

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

.feature-number {
    text-align: center;
    font-size: 4rem;
    font-weight: 900;
    color: rgba(200, 16, 46, 0.15);
    line-height: 1;
    margin-bottom: 20px;
    padding-top: 20px;
}

.feature-image {
    width: calc(100% + 80px);
    height: 200px;
    margin: 0 -40px 30px -40px;
    overflow: hidden;
    position: relative;
}

.feature-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.feature-card:hover .feature-image img {
    transform: scale(1.1);
}

.feature-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 25px;
}

.feature-card-secondary .feature-icon {
    color: var(--accent-color);
}

.feature-card-tertiary .feature-icon {
    color: #3498db;
}

.feature-card h3 {
    font-size: 1.4rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
    line-height: 1.5;
}

.feature-card p {
    color: var(--text-gray);
    margin-bottom: 25px;
    line-height: 1.8;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    color: var(--text-dark);
    font-size: 0.95rem;
}

.feature-list i {
    color: var(--primary-color);
    font-size: 0.9rem;
}

/* ========================================
   受講メリットセクション
======================================== */

.benefits-section {
    background: white;
    position: relative;
    overflow: hidden;
}

.benefits-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/screenshot-2.jpg') center/cover no-repeat;
    opacity: 0.02;
    z-index: 0;
}

.benefits-section > .container {
    position: relative;
    z-index: 1;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.benefit-item {
    text-align: center;
    padding: 30px 20px;
    transition: var(--transition-base);
}

.benefit-item:hover {
    transform: translateY(-5px);
}

.benefit-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(200, 16, 46, 0.1) 0%, rgba(243, 152, 0, 0.1) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 2rem;
    color: var(--primary-color);
}

.benefit-item h3 {
    font-size: 1.2rem;
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.benefit-item p {
    color: var(--text-gray);
    line-height: 1.7;
}

/* ========================================
   カリキュラムセクション
======================================== */

.curriculum-section {
    background: var(--bg-light);
    position: relative;
    overflow: hidden;
}

.curriculum-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/screenshot-3.jpg') center/cover no-repeat;
    opacity: 0.02;
    z-index: 0;
}

.curriculum-section > .container {
    position: relative;
    z-index: 1;
}

.curriculum-timeline {
    max-width: 900px;
    margin: 0 auto 60px;
    position: relative;
}

.curriculum-timeline::before {
    content: '';
    position: absolute;
    left: 50px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--primary-color) 0%, var(--accent-color) 100%);
}

.curriculum-item {
    display: flex;
    gap: 40px;
    margin-bottom: 50px;
    position: relative;
}

.curriculum-time {
    min-width: 100px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    position: relative;
}

.curriculum-time::after {
    content: '';
    position: absolute;
    right: -24px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    background: var(--primary-color);
    border: 4px solid var(--bg-light);
    border-radius: 50%;
    z-index: 2;
}

.time-label {
    background: var(--primary-color);
    color: white;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.time-duration {
    color: var(--text-gray);
    font-size: 0.9rem;
    font-weight: 600;
}

.curriculum-content {
    flex: 1;
    background: white;
    padding: 35px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.curriculum-content:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}

.curriculum-content h3 {
    font-size: 1.4rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.curriculum-number {
    color: var(--primary-color);
    font-weight: 900;
}

.curriculum-content ul {
    list-style: none;
}

.curriculum-content li {
    padding-left: 25px;
    position: relative;
    margin-bottom: 12px;
    color: var(--text-gray);
    line-height: 1.7;
}

.curriculum-content li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.curriculum-content li strong {
    color: var(--accent-color);
    font-weight: 700;
}

.curriculum-note {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.curriculum-note h4 {
    font-size: 1.3rem;
    color: var(--secondary-color);
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.note-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

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

.note-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.note-item strong {
    display: block;
    color: var(--secondary-color);
    margin-bottom: 8px;
}

.note-item p {
    color: var(--text-gray);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ========================================
   対象者セクション
======================================== */

.target-section {
    background: white;
    position: relative;
    overflow: hidden;
}

.target-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/screenshot-2.jpg') center/cover no-repeat;
    opacity: 0.015;
    z-index: 0;
}

.target-section > .container {
    position: relative;
    z-index: 1;
}

.target-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.target-card {
    background: var(--bg-light);
    padding: 35px 30px;
    border-radius: 12px;
    text-align: center;
    transition: var(--transition-base);
    border: 2px solid transparent;
}

.target-card:hover {
    background: white;
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.target-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.target-card h3 {
    font-size: 1.2rem;
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.target-card p {
    color: var(--text-gray);
    line-height: 1.7;
}

.target-note {
    background: linear-gradient(135deg, rgba(200, 16, 46, 0.05) 0%, rgba(243, 152, 0, 0.05) 100%);
    padding: 30px 40px;
    border-radius: 12px;
    text-align: center;
}

.target-note p {
    color: var(--text-dark);
    font-size: 1.05rem;
    margin-bottom: 10px;
}

.target-note p:last-child {
    margin-bottom: 0;
    color: var(--text-gray);
}

/* ========================================
   講師紹介セクション
======================================== */

.instructor-section {
    background: var(--bg-light);
}

.instructor-card {
    background: white;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 50px;
    margin-bottom: 40px;
}

.instructor-image {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 40px;
}

.instructor-photo {
    width: 200px;
    height: 200px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 5px solid rgba(255, 255, 255, 0.2);
    overflow: hidden;
}

.instructor-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.instructor-photo i {
    font-size: 5rem;
    color: white;
}

.instructor-info {
    padding: 50px 50px 50px 0;
}

.instructor-name {
    font-size: 2rem;
    font-weight: 900;
    color: var(--secondary-color);
    margin-bottom: 10px;
}

.instructor-title {
    color: var(--primary-color);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 30px;
}

.instructor-bio h4 {
    font-size: 1.2rem;
    color: var(--secondary-color);
    margin-bottom: 15px;
    margin-top: 30px;
}

.instructor-bio h4:first-child {
    margin-top: 0;
}

.instructor-bio p {
    color: var(--text-gray);
    line-height: 1.9;
    margin-bottom: 15px;
}

.instructor-bio h4 i {
    color: var(--primary-color);
    margin-right: 8px;
}

.instructor-expertise ul,
.instructor-achievements ul {
    list-style: none;
    margin-top: 15px;
}

.instructor-expertise li,
.instructor-achievements li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.instructor-expertise i,
.instructor-achievements i {
    color: var(--primary-color);
}

.instructor-message {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    border-left: 5px solid var(--primary-color);
}

.instructor-message h4 {
    font-size: 1.3rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.instructor-message h4 i {
    color: var(--accent-color);
    margin-right: 10px;
}

.instructor-message p {
    color: var(--text-gray);
    line-height: 1.9;
    margin-bottom: 15px;
}

.instructor-message p:last-child {
    margin-bottom: 0;
}

/* ========================================
   参加者の声セクション
======================================== */

.testimonials-section {
    background: var(--bg-light);
    position: relative;
    overflow: hidden;
}

.testimonials-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/screenshot-1.jpg') center/cover no-repeat;
    opacity: 0.03;
    z-index: 0;
}

.testimonials-section > .container {
    position: relative;
    z-index: 1;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 60px;
}

.testimonial-card {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
    position: relative;
    border-top: 4px solid var(--primary-color);
}

.testimonial-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(200, 16, 46, 0.1) 0%, rgba(243, 152, 0, 0.1) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.testimonial-info h4 {
    font-size: 1.1rem;
    color: var(--secondary-color);
    margin-bottom: 5px;
}

.testimonial-company {
    font-size: 0.9rem;
    color: var(--text-gray);
}

.testimonial-rating {
    display: flex;
    gap: 5px;
    margin-bottom: 20px;
}

.testimonial-rating i {
    color: var(--accent-color);
    font-size: 1rem;
}

.testimonial-text {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.testimonial-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(200, 16, 46, 0.1);
    color: var(--primary-color);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
}

.testimonial-badge i {
    font-size: 0.9rem;
}

/* ========================================
   開催概要セクション
======================================== */

.details-section {
    background: white;
    position: relative;
    overflow: hidden;
}

.details-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/screenshot-3.jpg') center/cover no-repeat;
    opacity: 0.015;
    z-index: 0;
}

.details-section > .container {
    position: relative;
    z-index: 1;
}

.details-table {
    max-width: 1000px;
    margin: 0 auto;
    background: white;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.detail-row {
    display: grid;
    grid-template-columns: 200px 1fr;
    border-bottom: 1px solid var(--border-color);
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-label {
    background: var(--bg-light);
    padding: 30px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    color: var(--secondary-color);
    border-right: 1px solid var(--border-color);
}

.detail-label i {
    color: var(--primary-color);
    font-size: 1.3rem;
}

.detail-content {
    padding: 30px 40px;
}

.detail-content p {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 10px;
}

.detail-content p:last-child {
    margin-bottom: 0;
}

.detail-content strong {
    color: var(--secondary-color);
}

.detail-note {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-top: 5px;
}

.price-main {
    font-size: 2rem;
    color: var(--primary-color);
    font-weight: 900;
    margin-bottom: 15px;
}

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

.price-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin: 20px 0;
    padding: 20px;
    background: var(--bg-light);
    border-radius: 8px;
}

.price-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.95rem;
}

.price-feature i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.included-list,
.note-list {
    list-style: none;
}

.included-list li,
.note-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 10px;
    color: var(--text-gray);
}

.included-list i {
    color: var(--primary-color);
    margin-top: 4px;
}

.note-list li {
    padding-left: 20px;
    position: relative;
}

.note-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* ========================================
   申し込みフォームセクション
======================================== */

.apply-section {
    background: var(--bg-light);
}

.apply-content {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 50px;
}

.apply-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.info-box {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.info-box h3 {
    font-size: 1.2rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.info-box h3 i {
    color: var(--primary-color);
}

.flow-list {
    list-style: none;
    counter-reset: flow-counter;
}

.flow-list li {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 20px;
    color: var(--text-gray);
    line-height: 1.7;
}

.flow-number {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 30px;
    height: 30px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    font-weight: 700;
    font-size: 0.9rem;
}

.contact-info {
    line-height: 1.9;
    color: var(--text-gray);
    margin-top: 15px;
}

.contact-info strong {
    color: var(--secondary-color);
    display: block;
    margin-bottom: 5px;
}

.contact-info i {
    color: var(--primary-color);
    margin-right: 8px;
}

.apply-form {
    background: white;
    padding: 50px;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
}

.form-section {
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 2px solid var(--border-color);
}

.form-section:last-of-type {
    border-bottom: none;
    margin-bottom: 30px;
}

.form-section-title {
    font-size: 1.4rem;
    color: var(--secondary-color);
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 3px solid var(--primary-color);
}

.form-group {
    margin-bottom: 25px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.form-label {
    display: block;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.form-label.required::after {
    content: '必須';
    background: var(--primary-color);
    color: white;
    font-size: 0.7rem;
    padding: 3px 8px;
    border-radius: 4px;
    margin-left: 8px;
    font-weight: 700;
}

.field-description {
    margin-top: 10px;
    font-size: 0.9rem;
    color: var(--text-gray);
    line-height: 1.6;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.field-description i {
    color: var(--primary-color);
    margin-top: 2px;
    flex-shrink: 0;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(200, 16, 46, 0.1);
}

.radio-group {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-weight: 500;
}

.radio-label input[type="radio"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.checkbox-group {
    margin-top: 20px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    line-height: 1.6;
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.form-privacy {
    background: var(--bg-light);
    padding: 25px;
    border-radius: 8px;
    margin-bottom: 30px;
}

.form-privacy h4 {
    font-size: 1.1rem;
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.form-privacy p {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.required-check {
    font-weight: 600;
}

.form-message {
    margin-top: 30px;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
}

.form-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* ========================================
   FAQセクション
======================================== */

.faq-section {
    background: white;
    position: relative;
    overflow: hidden;
}

.faq-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/screenshot-1.jpg') center/cover no-repeat;
    opacity: 0.015;
    z-index: 0;
}

.faq-section > .container {
    position: relative;
    z-index: 1;
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-light);
    margin-bottom: 20px;
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition-base);
}

.faq-item:hover {
    box-shadow: var(--shadow-sm);
}

.faq-question {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 25px 30px;
    cursor: pointer;
    font-weight: 600;
    color: var(--secondary-color);
    transition: var(--transition-base);
}

.faq-question:hover {
    background: rgba(200, 16, 46, 0.05);
}

.faq-question > i:first-child {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.faq-question span {
    flex: 1;
}

.faq-toggle {
    color: var(--primary-color);
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 30px 25px 75px;
}

.faq-answer p {
    color: var(--text-gray);
    line-height: 1.9;
}

/* ========================================
   CTAセクション
======================================== */

.cta-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/screenshot-1.jpg') center/cover no-repeat;
    opacity: 0.15;
    z-index: 0;
}

.cta-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="60" height="60" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="60" height="60" patternUnits="userSpaceOnUse"><path d="M 60 0 L 0 0 0 60" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    z-index: 1;
}

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

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 25px;
    line-height: 1.4;
}

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

.btn-cta {
    background: white;
    color: var(--primary-color);
    font-size: 1.2rem;
    padding: 20px 50px;
    box-shadow: var(--shadow-lg);
}

.btn-cta:hover {
    background: var(--bg-light);
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.cta-note {
    margin-top: 20px;
    font-size: 0.95rem;
    opacity: 0.8;
}

/* ========================================
   フッター
======================================== */

.footer {
    background: var(--secondary-color);
    color: rgba(255, 255, 255, 0.8);
    padding: 80px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 60px;
    margin-bottom: 50px;
}

.footer-logo h3 {
    color: white;
    font-size: 1.5rem;
    font-weight: 900;
    margin-bottom: 10px;
}

.footer-tagline {
    color: var(--accent-color);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.footer-description {
    line-height: 1.8;
    font-size: 0.95rem;
}

.footer-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-section h4 {
    color: white;
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.footer-section p {
    line-height: 1.8;
    font-size: 0.9rem;
}

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

.footer-section a:hover {
    text-decoration: underline;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
}

/* ========================================
   トップに戻るボタン
======================================== */

.scroll-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    box-shadow: var(--shadow-md);
    z-index: 999;
}

.scroll-top-btn.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-5px);
}

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

@media (max-width: 1024px) {
    .features-grid,
    .benefits-grid,
    .target-grid,
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .practice-showcase {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .instructor-card {
        grid-template-columns: 1fr;
    }
    
    .instructor-info {
        padding: 50px;
    }
    
    .detail-row {
        grid-template-columns: 1fr;
    }
    
    .detail-label {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    
    .apply-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 100px 0;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-md);
        transform: translateY(-120%);
        transition: transform 0.3s ease;
    }
    
    .nav-menu.active {
        transform: translateY(0);
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .video-title {
        font-size: 1.8rem;
    }
    
    .video-features {
        gap: 20px;
    }
    
    .play-button {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .secondary-video {
        margin-top: 120px;
        padding-top: 120px;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .practice-showcase {
        padding: 30px;
    }
    
    .challenges-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid,
    .benefits-grid,
    .target-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .testimonial-card {
        padding: 30px;
    }
    
    .curriculum-timeline::before {
        left: 20px;
    }
    
    .curriculum-item {
        flex-direction: column;
        gap: 20px;
    }
    
    .curriculum-time {
        flex-direction: row;
        justify-content: flex-start;
    }
    
    .curriculum-time::after {
        right: auto;
        left: 10px;
        top: 50%;
    }
    
    .note-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .apply-form {
        padding: 30px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-info {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .btn-lg {
        padding: 14px 30px;
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .video-title {
        font-size: 1.5rem;
    }
    
    .video-description {
        font-size: 0.95rem;
    }
    
    .video-features {
        flex-direction: column;
        gap: 15px;
    }
    
    .price-features {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .about-main {
        padding: 30px;
    }
    
    .solution-box {
        padding: 30px;
    }
    
    .cta-content h2 {
        font-size: 1.8rem;
    }
}

/* ユーティリティクラス */
.desktop-br {
    display: block;
}

.mobile-br {
    display: none;
}

@media (max-width: 768px) {
    .desktop-br {
        display: none;
    }
    
    .mobile-br {
        display: block;
    }
}