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

:root {
    /* カラー */
    --primary-color: #00A0D2;      /* ShadowDesktop シアンブルー */
    --primary-dark: #0088BB;       /* ShadowDesktop 濃いめ */
    --primary-light: #33B8E0;      /* ShadowDesktop 明るめ */
    --primary-hover: #0088BB;
    --secondary-color: #2F3A78;    /* テクノブレイブ ネイビー */
    --secondary-light: #4A5A9E;    /* ネイビー 明るめ */
    --secondary-lighter: #6B7EB8;  /* ネイビー より明るめ */
    --accent-color: #FF8C42;       /* 温かみのあるオレンジ - CTA */
    --accent-light: #FFB27A;       /* オレンジ 明るめ */
    --success-color: #00AA66;      /* セキュリティ・安全のグリーン */
    --text-color: #333333;
    --text-light: #666666;
    --text-lighter: #999999;
    --bg-color: #FFFFFF;
    --bg-gray: #F5F7FA;
    --bg-dark: #1A2845;            /* ダークネイビー背景 */
    --border-color: #E0E0E0;
    
    /* フォント */
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
    
    /* サイズ */
    --container-width: 1200px;
    --section-padding: 80px 0;
    --section-padding-mobile: 60px 0;
    
    /* トランジション */
    --transition: all 0.3s ease;
}

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

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

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

a:hover {
    color: var(--primary-dark);
}

/* ==================== ボタン ==================== */
.btn {
    display: inline-block;
    padding: 12px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    text-align: center;
    font-size: 16px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-color) 0%, #FF6B1A 100%);
    color: #FFFFFF;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(255, 140, 66, 0.3);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

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

.btn-primary:hover {
    background: linear-gradient(135deg, #FF6B1A 0%, var(--accent-color) 100%);
    color: #FFFFFF;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 140, 66, 0.5), 0 4px 8px rgba(255, 140, 66, 0.2);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: #FFFFFF;
}

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

.btn-outline:hover {
    background: var(--primary-color);
    color: #FFFFFF;
}

.btn-large {
    padding: 18px 52px;
    font-size: 18px;
    font-weight: 700;
}

.btn-xlarge {
    padding: 20px 60px;
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-color) 0%, #FF6B1A 100%);
    color: #FFFFFF;
    box-shadow: 0 4px 12px rgba(255, 140, 66, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-xlarge::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s;
}

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

.btn-xlarge:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 140, 66, 0.5), 0 4px 8px rgba(255, 140, 66, 0.2);
}

.btn-header {
    padding: 10px 24px;
    font-size: 14px;
}

/* ==================== ヘッダー ==================== */
.header {
    background: #FFFFFF;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 20px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 20px;
}

.logo a {
    display: block;
}

.logo-placeholder {
    height: 45px;
    width: 180px;
    background: var(--bg-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: var(--text-light);
    border: 2px dashed var(--border-color);
    border-radius: 4px;
}

/* ロゴ画像 */
.logo-image {
    height: 45px;
    width: auto;
    display: block;
}

.logo-pack {
    height: 59px;
    width: auto;
    display: block;
}

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

.nav-link {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-link:hover {
    color: var(--primary-color);
}

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

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--text-color);
    transition: var(--transition);
}

/* ==================== セクション共通 ==================== */
section {
    padding: var(--section-padding);
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
    color: var(--secondary-color);
}

.section-subtitle {
    font-size: 18px;
    text-align: center;
    margin-bottom: 48px;
    color: var(--text-light);
}

/* ==================== ヒーロー ==================== */
.hero {
    background: linear-gradient(135deg, 
        #EBF8FC 0%, 
        #F5F7FA 30%, 
        #FFFFFF 70%, 
        #F0F5FF 100%);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 160, 210, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(47, 58, 120, 0.06) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

/* 導入パックロゴ 予定地（プレースホルダ） */
.pack-logo-placeholder {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 14px 28px;
    margin-bottom: 24px;
    border: 2px dashed var(--primary-color);
    border-radius: 10px;
    background: rgba(0, 160, 210, 0.05);
}

.pack-logo-placeholder-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--secondary-color);
    letter-spacing: 0.02em;
}

.pack-logo-placeholder-note {
    font-size: 12px;
    color: var(--text-light);
}

.hero-pack-logo {
    height: 110px;
    width: auto;
    max-width: 100%;
    margin-bottom: 48px;
    object-fit: contain;
}

.hero-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 10px;
    color: var(--secondary-color);
}
.hero-tagline {
    font-size: 22px;
    font-weight: 600;
    line-height: 1.5;
    color: var(--secondary-color);
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 20px;
    line-height: 1.7;
    margin-bottom: 32px;
    color: var(--text-light);
}

.hero-subtitle-note {
    font-size: 0.9em;
    display: block;
    margin-top: 0.5em;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.hero-trust {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.trust-badge {
    background: #FFFFFF;
    border: 2px solid var(--primary-color);
    padding: 8px 16px;
    border-radius: 24px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-color);
}

.hero-visual-placeholder {
    background: var(--bg-gray);
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 80px 40px;
    text-align: center;
    color: var(--text-light);
}

.hero-visual-placeholder p {
    margin: 8px 0;
}

.hero-visual-placeholder .small {
    font-size: 14px;
}

/* ヒーロー画像 */
.hero-image {
    width: 100%;
    height: auto;
    max-width: 600px;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 160, 210, 0.15);
}

/* ==================== こんな企業向け ==================== */
.target-companies {
    background: linear-gradient(135deg, #F5F7FA 0%, #FFFFFF 100%);
    padding: 60px 0;
}

.target-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    max-width: 800px;
    margin: 0 auto;
}

.target-item {
    background: #FFFFFF;
    border: 2px solid var(--primary-light);
    padding: 16px 28px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    color: var(--secondary-color);
    display: flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
    box-shadow: 0 2px 8px rgba(0, 160, 210, 0.1);
}

.target-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 16px rgba(0, 160, 210, 0.2);
    border-color: var(--primary-color);
}

.target-icon {
    color: var(--success-color);
    font-size: 20px;
    font-weight: bold;
}

/* ==================== 中間CTA ==================== */
.mid-cta {
    background: linear-gradient(135deg, var(--bg-gray) 0%, #FFFFFF 100%);
    padding: 60px 0;
}

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

.mid-cta-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 32px;
    color: var(--secondary-color);
    line-height: 1.4;
}

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

/* ==================== 課題提起 ==================== */
.problems {
    background: #FFFFFF;
}

.problem-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.problem-card {
    background: linear-gradient(135deg, #FFFFFF 0%, var(--bg-gray) 100%);
    padding: 32px;
    border-radius: 12px;
    transition: var(--transition);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(0, 160, 210, 0.1);
    position: relative;
    overflow: hidden;
}

.problem-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(0, 160, 210, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.problem-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(0, 160, 210, 0.15), 0 4px 12px rgba(0, 0, 0, 0.1);
    border-color: rgba(0, 160, 210, 0.3);
}

.problem-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 16px;
    text-align: center;
}

.icon-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: #FFFFFF;
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    font-size: 12px;
    color: var(--text-light);
}

/* アイコン画像（64px） */
.icon-image {
    width: 64px;
    height: 64px;
    object-fit: contain;
    display: block;
    margin: 0 auto;
}

.problem-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--secondary-color);
}

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

.problem-list li {
    padding-left: 24px;
    position: relative;
    margin-bottom: 12px;
    font-size: 15px;
    color: var(--text-color);
}

.problem-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* ==================== ShadowDesktop概要 ==================== */
.solution {
    background: var(--bg-gray);
}

/* 製品正規ロゴ（見出し上） */
.product-logo {
    text-align: center;
    margin-bottom: 20px;
}

.product-logo-image {
    display: inline-block;
    height: 40px;
    width: auto;
    margin: 0 auto;
}

.solution-concept {
    margin-bottom: 48px;
}

.concept-image-placeholder {
    background: #FFFFFF;
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 80px 40px;
    text-align: center;
    color: var(--text-light);
}

/* 図解画像（4フォルダコンセプト） */
.concept-diagram {
    width: 100%;
    height: auto;
    max-width: 800px;
    margin: 0 auto;
    display: block;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.solution-intro {
    max-width: 800px;
    margin: 0 auto 48px;
    text-align: center;
}

.solution-heading {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--secondary-color);
}

.solution-text {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 16px;
}

.solution-note {
    font-size: 14px;
    color: var(--text-light);
    margin-top: 24px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-bottom: 48px;
}

.feature-card {
    background: linear-gradient(135deg, #FFFFFF 0%, #FAFBFC 100%);
    padding: 32px;
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(47, 58, 120, 0.08);
    position: relative;
}

.feature-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    transition: opacity 0.3s;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(47, 58, 120, 0.12);
}

.feature-card:hover::after {
    opacity: 1;
}

.feature-icon {
    margin: 0 auto 16px;
    text-align: center;
}

.feature-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--secondary-color);
}

.feature-text {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-color);
}

.storage-support {
    text-align: center;
    margin-top: 48px;
}

.storage-heading {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--secondary-color);
}

.storage-logos {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.storage-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100px;
    height: 60px;
    background: #FFFFFF;
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    font-size: 12px;
    color: var(--text-light);
}

.storage-text {
    font-size: 15px;
    color: var(--text-light);
}

/* ==================== Before/After比較 ==================== */
.before-after {
    background: linear-gradient(135deg, #F5F7FA 0%, #FFFFFF 50%, #F0F5FF 100%);
    padding: 80px 0;
}

.before-after-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.before-after-table {
    background: #FFFFFF;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.before-after-header {
    display: grid;
    grid-template-columns: 1fr 80px 1fr;
    gap: 20px;
    padding: 32px;
    background: linear-gradient(135deg, var(--bg-gray) 0%, #FFFFFF 100%);
    border-bottom: 3px solid var(--primary-color);
}

.before-column,
.after-column {
    text-align: center;
}

.arrow-column {
    display: flex;
    align-items: center;
    justify-content: center;
}

.arrow {
    font-size: 32px;
    font-weight: bold;
    color: var(--primary-color);
}

.before-title,
.after-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.before-title {
    color: var(--text-light);
}

.after-title {
    color: var(--primary-color);
}

.before-subtitle,
.after-subtitle {
    font-size: 14px;
    color: var(--text-lighter);
}

.before-after-row {
    display: grid;
    grid-template-columns: 1fr 80px 1fr;
    gap: 20px;
    padding: 24px 32px;
    border-bottom: 1px solid var(--border-color);
}

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

.before-item,
.after-item {
    text-align: center;
}

.before-item span,
.after-item span {
    display: inline-block;
    margin-bottom: 8px;
}

.before-item p,
.after-item p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

.badge-bad {
    background: #FFE5E5;
    color: #CC3333;
    padding: 6px 14px;
    border-radius: 16px;
    font-size: 14px;
    font-weight: 600;
}

.badge-good {
    background: #E8F5F1;
    color: var(--success-color);
    padding: 6px 14px;
    border-radius: 16px;
    font-size: 14px;
    font-weight: 600;
}

/* ==================== 比較表 ==================== */
.comparison {
    background: #FFFFFF;
}

.comparison-table-wrapper {
    overflow-x: auto;
    margin-bottom: 48px;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 700px;
}

.comparison-table th,
.comparison-table td {
    padding: 16px;
    text-align: center;
    border: 1px solid var(--border-color);
}

.comparison-table th {
    background: var(--secondary-color);
    color: #FFFFFF;
    font-weight: 600;
}

.comparison-table th.highlight {
    background: var(--primary-color);
}

.comparison-table td.highlight {
    background: rgba(0, 160, 210, 0.08);
    font-weight: 600;
    position: relative;
}

.comparison-table td.highlight::before {
    content: '';
    position: absolute;
    top: -1px;
    left: -1px;
    right: -1px;
    bottom: -1px;
    background: linear-gradient(135deg, rgba(0, 160, 210, 0.15) 0%, rgba(0, 160, 210, 0.05) 100%);
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 160, 210, 0.2);
    z-index: -1;
}

.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 16px;
    font-size: 14px;
    font-weight: 500;
}

.badge-good {
    background: #E8F5F1;
    color: var(--success-color);
}

.badge-bad {
    background: #FFEBEE;
    color: #D32F2F;
}

.badge-neutral {
    background: #FFF8E1;
    color: #F57C00;
}

.comparison-points {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.comparison-point {
    background: var(--bg-gray);
    padding: 32px;
    border-radius: 12px;
}

.comparison-point h3 {
    font-size: 20px;
    margin-bottom: 16px;
    color: var(--secondary-color);
}

.comparison-point ul {
    list-style: none;
}

.comparison-point li {
    padding-left: 24px;
    position: relative;
    margin-bottom: 12px;
}

.comparison-point li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

/* ==================== なぜPoCが必要か ==================== */
.why-poc {
    background: var(--bg-gray);
}

.poc-intro {
    max-width: 800px;
    margin: 0 auto 48px;
    text-align: center;
}

.poc-lead {
    font-size: 28px;
    font-weight: 700;
    line-height: 1.4;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.poc-text {
    font-size: 16px;
    line-height: 1.8;
}

.checklist-heading {
    font-size: 24px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 32px;
    color: var(--secondary-color);
}

.checklist-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-bottom: 48px;
}

.checklist-item {
    background: #FFFFFF;
    padding: 32px;
    border-radius: 12px;
}

.checklist-icon {
    margin: 0 auto 16px;
    text-align: center;
}

/* チェックマークアイコン（24px） */
.check-icon {
    width: 32px;
    height: 32px;
    object-fit: contain;
    display: block;
    margin: 0 auto;
}

.checklist-item h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--secondary-color);
}

.checklist-item ul {
    list-style: none;
}

.checklist-item li {
    padding-left: 20px;
    position: relative;
    margin-bottom: 8px;
    font-size: 14px;
}

.checklist-item li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.poc-value {
    background: var(--primary-color);
    color: #FFFFFF;
    padding: 48px;
    border-radius: 12px;
    text-align: center;
}

.value-heading {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
}

.value-text {
    font-size: 16px;
    line-height: 1.8;
}

.poc-differentiator {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    margin-top: 32px;
    padding: 24px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    text-align: left;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.differentiator-icon {
    font-size: 32px;
    font-weight: bold;
    color: var(--accent-color);
    flex-shrink: 0;
}

.differentiator-content {
    flex: 1;
}

.differentiator-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #FFFFFF;
}

.differentiator-text {
    font-size: 15px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.95);
}

/* ==================== 標準パック ==================== */
.pack {
    background: #FFFFFF;
}

.pack-header {
    margin-bottom: 48px;
}

.pack-heading {
    font-size: 24px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 32px;
    color: var(--secondary-color);
}

.pack-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-bottom: 48px;
}

.pack-item {
    background: var(--bg-gray);
    padding: 32px;
    border-radius: 12px;
}

.pack-icon {
    margin: 0 auto 16px;
    text-align: center;
}

.pack-item-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--secondary-color);
}

.pack-item-list {
    list-style: none;
}

.pack-item-list li {
    padding-left: 20px;
    position: relative;
    margin-bottom: 8px;
}

.pack-item-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

.pack-item-list ul {
    margin-left: 20px;
    margin-top: 8px;
    list-style: none;
}

.pack-item-list ul li {
    font-size: 14px;
    color: var(--text-light);
}

.pack-scope-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
    margin-bottom: 48px;
}

.pack-scope-item {
    padding: 32px;
    border-radius: 12px;
}

.pack-scope-item h4 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
}

.pack-scope-included {
    background: #E8F5F1;
    border: 2px solid var(--success-color);
}

.pack-scope-included h4 {
    color: var(--success-color);
}

.pack-scope-excluded {
    background: #FFF8E1;
    border: 2px solid #F57C00;
}

.pack-scope-excluded h4 {
    color: #F57C00;
}

.pack-scope-item ul {
    list-style: none;
}

.pack-scope-item li {
    padding-left: 24px;
    position: relative;
    margin-bottom: 8px;
}

.pack-scope-included li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

.pack-scope-excluded li::before {
    content: "✗";
    position: absolute;
    left: 0;
    color: #F57C00;
    font-weight: bold;
}

.pack-fit-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-bottom: 48px;
}

.pack-fit-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--bg-gray);
    border-radius: 8px;
}

.pack-fit-icon {
    font-size: 24px;
    color: var(--success-color);
}

.pack-cta {
    display: flex;
    justify-content: center;
    gap: 16px;
}

/* ==================== セキュリティ・コンプライアンス ==================== */
.security-compliance {
    background: linear-gradient(135deg, 
        var(--bg-dark) 0%, 
        #243558 30%,
        #1A2845 70%,
        #0F1A2E 100%);
    color: #FFFFFF;
    position: relative;
    overflow: hidden;
}

.security-compliance::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 20%, rgba(0, 160, 210, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 170, 102, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.security-compliance .section-title {
    color: #FFFFFF;
}

.security-compliance .section-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 48px;
    margin-bottom: 48px;
}

.security-heading {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 24px;
    color: #FFFFFF;
}

.security-item {
    margin-bottom: 24px;
}

.security-item h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--primary-color);
}

.security-item p {
    font-size: 15px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.9);
}

.security-note {
    background: rgba(255, 255, 255, 0.1);
    padding: 24px;
    border-radius: 8px;
    border-left: 4px solid var(--accent-color);
}

.note-text {
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.9);
}

/* ==================== 価格 ==================== */
.price {
    background: #FFFFFF;
}

.price-phase-title {
    font-size: 28px;
    font-weight: 600;
    margin-top: 48px;
    margin-bottom: 24px;
    text-align: center;
    color: var(--secondary-color);
}

.price-phase-title:first-of-type {
    margin-top: 0;
}

.price-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    margin-bottom: 48px;
}

.price-card {
    background: var(--bg-gray);
    padding: 32px;
    border-radius: 12px;
    text-align: center;
}

.price-card-standard {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: #FFFFFF;
    transform: scale(1.05);
}

.price-label {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
}

.price-card-standard .price-label {
    color: #FFFFFF;
}

.price-amount {
    margin-bottom: 24px;
}

.price-amount--secondary {
    margin-top: 8px;
    margin-bottom: 16px;
}

.price-currency {
    font-size: 24px;
    vertical-align: top;
}

.price-value {
    font-size: 48px;
    font-weight: 700;
    line-height: 1;
}

.price-value--sm {
    font-size: 36px;
}

.price-unit {
    font-size: 14px;
    display: block;
    margin-top: 4px;
}

.price-plus {
    font-size: 24px;
    font-weight: 600;
    margin: 0 8px;
    vertical-align: middle;
}

.price-scope-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
}

.price-card-standard .price-scope-title {
    color: #FFFFFF;
}

.price-list {
    text-align: left;
    list-style: none;
}

.price-list li {
    padding-left: 20px;
    position: relative;
    margin-bottom: 8px;
    font-size: 14px;
}

.price-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    font-weight: bold;
}

.price-card-standard .price-list li::before {
    color: #FFFFFF;
}

.price-note {
    font-size: 12px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.price-card-standard .price-note {
    border-top-color: rgba(255, 255, 255, 0.3);
    color: rgba(255, 255, 255, 0.9);
}

.price-options {
    background: var(--bg-gray);
    padding: 32px;
    border-radius: 12px;
    margin-bottom: 48px;
}

.price-options-intro {
    font-size: 18px;
    line-height: 1.8;
    text-align: center;
    margin-bottom: 40px;
    color: var(--text-color);
    font-weight: 600;
}

.price-options-cases {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-bottom: 24px;
}

.price-option-case {
    background: #FFFFFF;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
    min-height: 320px;
}

.price-option-situation {
    margin-bottom: 20px;
    flex-shrink: 0;
    height: 160px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.price-option-user-image {
    width: 80px;
    height: 80px;
    object-fit: contain;
    flex-shrink: 0;
}

.price-option-quote {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-color);
    padding: 16px;
    background: #FFF8F0;
    border-radius: 8px;
    border-left: 4px solid #FF8C42;
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
    flex: 1;
}

.price-option-quote strong {
    color: #FF8C42;
    font-weight: 700;
}

.price-option-quote::before {
    content: '"';
    font-size: 32px;
    font-weight: bold;
    color: #FF8C42;
    position: absolute;
    top: 8px;
    left: 8px;
    line-height: 1;
}

.price-option-solution {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.price-option-arrow {
    text-align: center;
    font-size: 24px;
    color: var(--primary-color);
    margin: 16px 0;
    font-weight: bold;
}

.price-option-category {
    font-size: 17px;
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: 12px;
    text-align: center;
}

.price-option-items {
    list-style: none;
}

.price-option-items li {
    padding: 10px 16px;
    margin-bottom: 8px;
    background: var(--bg-gray);
    border-radius: 6px;
    font-size: 14px;
    color: var(--text-color);
    position: relative;
    padding-left: 32px;
}

.price-option-items li:last-child {
    margin-bottom: 0;
}

.price-option-items li::before {
    content: "✓";
    position: absolute;
    left: 12px;
    color: var(--primary-color);
    font-weight: bold;
}

.price-options-note {
    text-align: center;
    font-size: 14px;
    color: var(--text-light);
    margin-top: 24px;
}

.price-product {
    background: var(--bg-gray);
    padding: 32px;
    border-radius: 12px;
    margin-bottom: 48px;
}

.price-product-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
    text-align: center;
    color: var(--secondary-color);
}

.price-product-text {
    font-size: 16px;
    line-height: 1.8;
    text-align: center;
    margin-bottom: 16px;
}

.price-product-note {
    font-size: 14px;
    color: var(--text-light);
    text-align: center;
}

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

.price-cta-text {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--secondary-color);
}

/* ==================== 導入の流れ ==================== */
.flow {
    background: var(--bg-gray);
}

/* 伴走ジャーニー画像 */
.flow-journey {
    max-width: 900px;
    margin: 0 auto 48px;
}

.flow-journey-image {
    width: 100%;
    height: auto;
    display: block;
}

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

.flow-step {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 32px;
    margin-bottom: 48px;
    position: relative;
}

.flow-step::after {
    content: '';
    position: absolute;
    left: 60px;
    top: 120px;
    bottom: -48px;
    width: 2px;
    background: var(--border-color);
}

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

.flow-number {
    width: 120px;
    height: 120px;
    background: var(--primary-color);
    color: #FFFFFF;
    font-size: 18px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(0, 160, 210, 0.3);
}

.flow-step-optional .flow-number {
    background: var(--text-lighter);
}

.flow-content {
    background: #FFFFFF;
    padding: 32px;
    border-radius: 12px;
}

.flow-title {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--secondary-color);
}

.flow-list {
    list-style: none;
    margin-bottom: 16px;
}

.flow-list li {
    padding-left: 20px;
    position: relative;
    margin-bottom: 8px;
}

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

.flow-period {
    font-size: 14px;
    color: var(--text-light);
    font-weight: 600;
}

.flow-phase {
    margin-bottom: 20px;
}

.flow-phase:last-child {
    margin-bottom: 0;
}

.flow-phase-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 12px;
    padding-left: 12px;
    border-left: 3px solid var(--primary-color);
}

.flow-note-inline {
    font-size: 13px;
    color: var(--text-light);
    margin-top: 12px;
    padding: 12px;
    background: var(--bg-gray);
    border-radius: 6px;
    line-height: 1.6;
}

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

.flow-cta-text {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--secondary-color);
}

/* ==================== FAQ ==================== */
.faq {
    background: #FFFFFF;
}

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

.faq-item {
    margin-bottom: 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 24px;
    background: var(--bg-gray);
    border: none;
    cursor: pointer;
    text-align: left;
    font-size: 16px;
    font-weight: 600;
    transition: var(--transition);
}

.faq-question:hover {
    background: #E8F1F5;
}

.faq-q-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    background: var(--primary-color);
    color: #FFFFFF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.faq-q-text {
    flex: 1;
    color: var(--secondary-color);
}

.faq-toggle {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    background: #FFFFFF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--primary-color);
    transition: var(--transition);
}

.faq-question[aria-expanded="true"] .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    display: none;
    padding: 0 24px 24px 72px;
}

.faq-question[aria-expanded="true"] + .faq-answer {
    display: block;
}

.faq-a-icon {
    display: inline-block;
    width: 32px;
    height: 32px;
    background: var(--success-color);
    color: #FFFFFF;
    border-radius: 50%;
    text-align: center;
    line-height: 32px;
    font-weight: 700;
    margin-right: 16px;
}

.faq-a-text {
    display: inline-block;
    vertical-align: top;
    width: calc(100% - 48px);
}

.faq-a-text p {
    margin-bottom: 12px;
    line-height: 1.8;
}

.faq-a-text ul {
    list-style: none;
    margin-top: 12px;
}

.faq-a-text li {
    padding-left: 20px;
    position: relative;
    margin-bottom: 8px;
}

.faq-a-text li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.faq-cta {
    text-align: center;
    margin-top: 48px;
}

.faq-cta-text {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--secondary-color);
}

/* ==================== 最終CTA ==================== */
.final-cta {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: #FFFFFF;
    padding: 100px 0;
    text-align: center;
}

.final-cta-title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 24px;
}

.final-cta-subtitle {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 48px;
    opacity: 0.9;
}

.final-cta-buttons {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 48px;
}

.final-cta-buttons .btn-primary {
    background: var(--accent-color);
}

.final-cta-buttons .btn-primary:hover {
    background: #E67A34;
}

.final-cta-buttons .btn-secondary {
    background: #FFFFFF;
    color: var(--primary-color);
}

.final-cta-contact {
    margin-top: 48px;
}

.contact-method {
    font-size: 16px;
    margin-bottom: 16px;
    opacity: 0.9;
}

.contact-phone {
    font-size: 32px;
    font-weight: 700;
}

.phone-link {
    color: #FFFFFF;
    text-decoration: none;
}

.phone-link:hover {
    opacity: 0.8;
}

.phone-hours {
    font-size: 16px;
    font-weight: 400;
    display: block;
    margin-top: 8px;
    opacity: 0.8;
}

/* ==================== フッター ==================== */
.footer {
    background: var(--bg-dark);
    color: rgba(255, 255, 255, 0.8);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-logo {
    margin-bottom: 16px;
    display: inline-block;
}

.footer-logo-image {
    height: 40px;
    width: auto;
    display: inline-block;
    background: #FFFFFF;
    padding: 10px 16px;
    border-radius: 8px;
    box-sizing: content-box;
}

.footer-company-name {
    font-size: 18px;
    font-weight: 600;
    margin: 16px 0 8px;
    color: #FFFFFF;
}

.footer-address {
    font-size: 14px;
    line-height: 1.8;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
}

.footer-link-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    color: #FFFFFF;
}

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

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

.footer-link-list a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-link-list a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-copyright {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

/* ==================== レスポンシブ ==================== */

/* タブレット（768px - 1199px） */
@media (max-width: 1199px) {
    .hero .container {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 40px;
    }

    .hero-tagline {
        font-size: 20px;
    }

    .hero-visual {
        align-items: center;
    }

    .hero-pack-logo {
        margin: 0 auto 32px;
    }

    .security-grid {
        grid-template-columns: 1fr;
    }
    
    /* 画像のタブレット対応 */
    .hero-image {
        max-width: 500px;
        margin: 0 auto;
    }
    
    .icon-image {
        width: 60px;
        height: 60px;
    }
}

/* スマホ（~ 767px） */
@media (max-width: 767px) {
    :root {
        --section-padding: 60px 0;
    }
    
    /* ヘッダー */
    .logo-image {
        height: 36px;
    }

    .logo-pack {
        height: 47px;
    }

    .hero-pack-logo {
        height: 80px;
        width: auto;
        max-width: 100%;
        margin: 0 auto 32px;
        object-fit: contain;
    }

    .hero-visual {
        align-items: center;
    }
    
    .nav {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: #FFFFFF;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
        transform: translateY(-120%);
        transition: var(--transition);
    }
    
    .nav.active {
        transform: translateY(0);
    }
    
    .hamburger {
        display: flex;
    }
    
    /* ヒーロー */
    .hero {
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 32px;
    }

    .hero-tagline {
        font-size: 18px;
    }

    .hero-subtitle {
        font-size: 16px;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    /* こんな企業向け */
    .target-list {
        grid-template-columns: 1fr;
    }
    
    .target-item {
        justify-content: center;
    }
    
    /* 中間CTA */
    .mid-cta-title {
        font-size: 22px;
    }
    
    .mid-cta-buttons {
        flex-direction: column;
    }
    
    /* 画像のレスポンシブ対応 */
    .hero-image {
        max-width: 100%;
    }
    
    .icon-image {
        width: 56px;
        height: 56px;
    }
    
    .check-icon {
        width: 28px;
        height: 28px;
    }
    
    .concept-diagram {
        max-width: 100%;
    }
    
    .btn-large {
        padding: 14px 32px;
        font-size: 16px;
        width: 100%;
    }
    
    .btn-xlarge {
        padding: 18px 40px;
        font-size: 18px;
        width: 100%;
    }
    
    /* セクションタイトル */
    .section-title {
        font-size: 28px;
    }
    
    .section-subtitle {
        font-size: 16px;
    }
    
    /* グリッド */
    .problem-grid,
    .features-grid,
    .checklist-grid,
    .pack-grid,
    .price-grid,
    .price-options-cases {
        grid-template-columns: 1fr;
    }
    
    /* 価格フェーズタイトル */
    .price-phase-title {
        font-size: 24px;
        margin-top: 32px;
        margin-bottom: 20px;
    }
    
    /* 価格オプションカード */
    .price-option-case {
        min-height: auto;
    }
    
    .price-option-situation {
        height: auto;
        flex-direction: column;
        gap: 12px;
    }
    
    .price-option-user-image {
        width: 60px;
        height: 60px;
    }
    
    .price-option-quote {
        height: auto;
        min-height: 80px;
    }
    
    /* 比較表 */
    .comparison-table-wrapper {
        -webkit-overflow-scrolling: touch;
    }
    
    /* Before/After */
    .before-after-header,
    .before-after-row {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .arrow-column {
        display: none;
    }
    
    .before-after-header {
        padding: 24px;
    }
    
    .before-after-row {
        padding: 20px 24px;
    }
    
    .before-title,
    .after-title {
        font-size: 20px;
    }
    
    .poc-differentiator {
        flex-direction: column;
        text-align: center;
    }
    
    .differentiator-content {
        text-align: center;
    }
    
    /* パック */
    .pack-scope-grid {
        grid-template-columns: 1fr;
    }
    
    .pack-cta {
        flex-direction: column;
    }
    
    /* 導入の流れ */
    .flow-step {
        grid-template-columns: 80px 1fr;
        gap: 16px;
    }
    
    .flow-number {
        width: 80px;
        height: 80px;
        font-size: 16px;
    }
    
    .flow-step::after {
        left: 40px;
        top: 80px;
    }
    
    /* FAQ */
    .faq-answer {
        padding: 0 24px 24px 24px;
    }
    
    .faq-a-text {
        width: 100%;
    }
    
    /* 最終CTA */
    .final-cta {
        padding: 60px 0;
    }
    
    .final-cta-title {
        font-size: 32px;
    }
    
    .final-cta-buttons {
        flex-direction: column;
        padding: 0 20px;
    }
    
    .contact-phone {
        font-size: 24px;
    }
    
    /* フッター */
    .footer-logo-image {
        height: 32px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    /* ユーティリティ */
    .sp-only {
        display: inline;
    }
    
    .pc-only {
        display: none;
    }
}

/* PC専用 */
@media (min-width: 768px) {
    .sp-only {
        display: none;
    }
}

/* プレースホルダー共通スタイル調整 */
.concept-image-placeholder p,
.hero-visual-placeholder p {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
}

.concept-image-placeholder .small,
.hero-visual-placeholder .small {
    font-size: 14px;
    font-weight: 400;
    color: var(--text-light);
    margin-top: 8px;
}