/* ==========================================================================
   Robloxゲーム制作教材 販売用LP プレミアム・デザイン・システム
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. 変数定義 & テーマカラー
   -------------------------------------------------------------------------- */
:root {
    /* カラーパレット */
    --bg-deep: #0d0a08;
    /* 純粋な暗黒に近い、わずかに温かみのある黒 */
    --bg-card: rgba(255, 255, 255, 0.03);
    /* ガラスモルフィズム用背景 */
    --bg-card-solid: #161210;
    /* カード背景。黒より少し明るい暗褐色 */
    --border-glass: rgba(255, 255, 255, 0.07);
    --border-glass-hover: rgba(255, 255, 255, 0.15);

    --gradient-dark: linear-gradient(180deg, #161210 0%, #0d0a08 100%);

    --gradient-glow: radial-gradient(circle, rgba(200, 30, 10, 0.12) 0%, rgba(13, 10, 8, 0) 70%);
    /* 赤みのある柔らかいグロー */

    /* 単色定義 */
    --color-mint: #e8c84a;
    /* メインアクセント：落ち着いた金色 */
    --color-blue: #d4881a;
    /* サブアクセント：琥珀色 */
    --color-pink: #c0392b;
    /* アクセント2：落ち着いた深紅 */
    --color-yellow: #ffd000;
    --color-danger: #ef4444;

    --gradient-primary: linear-gradient(135deg, #e8c84a 0%, #d4881a 100%);
    /* 金→琥珀のグラデーション */
    --gradient-accent: linear-gradient(135deg, #c0392b 0%, #e74c3c 100%);
    /* 深紅→赤のグラデーション */

    /* テキストカラー */
    --text-white: #ffffff;
    --text-silver: #cbd5e1;
    --text-gray: #94a3b8;
    --text-dark: #64748b;

    /* フォントファミリー */
    --font-sans: 'Inter', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* シャドウ・イージング */
    --shadow-neon: 0 0 20px rgba(232, 200, 74, 0.3);
    /* 金色のグロー */
    --shadow-neon-pink: 0 0 20px rgba(192, 57, 43, 0.3);
    /* 深紅のグロー */
    --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.7);
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.2s ease;
}

/* --------------------------------------------------------------------------
   2. リセット & ベーススタイル
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

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

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

a {
    color: inherit;
    text-decoration: none;
}

li {
    list-style: none;
}

/* --------------------------------------------------------------------------
   3. レイアウトユーティリティ
   -------------------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 7rem 0;
    position: relative;
}

.section-bg-alt {
    background-color: #0b0e1b;
}

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

.inline-block {
    display: inline-block;
}

/* PC/SPでの改行・表示制御 */
.pc-only {
    display: inline !important;
}

.sp-only {
    display: none !important;
}

@media (max-width: 768px) {
    .pc-only {
        display: none !important;
    }

    .sp-only {
        display: inline !important;
    }
}

/* --------------------------------------------------------------------------
   4. タイポグラフィ & 装飾
   -------------------------------------------------------------------------- */
.section-title {
    font-size: 2.25rem;
    font-weight: 900;
    line-height: 1.45;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto 3.5rem;
    line-height: 1.6;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.gradient-text-accent {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.highlight-box {
    background: rgba(232, 200, 74, 0.08);
    border: 1px solid rgba(232, 200, 74, 0.2);
    border-radius: 8px;
    padding: 0.2rem 0.6rem;
    color: var(--color-mint);
    font-weight: bold;
    display: inline-block;
}

/* --------------------------------------------------------------------------
   5. ガラスモルフィズム・カード
   -------------------------------------------------------------------------- */
.glass-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: var(--shadow-card);
    transition: var(--transition-smooth);
}

.glass-card:hover {
    border-color: var(--border-glass-hover);
    transform: translateY(-4px);
    box-shadow: 0 15px 40px -10px rgba(0, 0, 0, 0.8), 0 0 25px rgba(232, 200, 74, 0.05);
}

/* --------------------------------------------------------------------------
   6. ボタン & プレミアムCTA
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 1.25rem 2.5rem;
    font-size: 1.25rem;
    font-weight: 800;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
    position: relative;
    overflow: hidden;
    text-align: center;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #03050c;
    box-shadow: var(--shadow-neon);
}

.btn-primary:hover {
    transform: scale(1.03) translateY(-2px);
    box-shadow: 0 0 30px rgba(232, 200, 74, 0.5);
}

.btn-accent {
    background: var(--gradient-accent);
    color: #ffffff;
    box-shadow: var(--shadow-neon-pink);
}

.btn-accent:hover {
    transform: scale(1.03) translateY(-2px);
    box-shadow: 0 0 30px rgba(255, 126, 185, 0.5);
}

.btn-subtext {
    font-size: 0.8rem;
    font-weight: 500;
    opacity: 0.85;
    margin-bottom: 0.2rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.btn-maintext {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-arrow {
    transition: var(--transition-fast);
}

.btn:hover .btn-arrow {
    transform: translateX(4px);
}

/* --------------------------------------------------------------------------
   7. ヒーローセクション (Hero Section)
   -------------------------------------------------------------------------- */
.hero {
    position: relative;
    padding: 7rem 0 5rem;
    /* ⭐ 上下の広すぎる外側余白を削り、中身のパーツ間をゆったり広げるスペースを捻出！ */
    background: radial-gradient(circle at 50% 30%, rgba(200, 30, 10, 0.08) 0%, rgba(13, 10, 8, 0) 60%), var(--gradient-dark);
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}


.hero-badge {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-blue);
    display: inline-block;
    margin-bottom: 2rem;
    letter-spacing: 0.05em;
}

.hero-title {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
    /* 力強さとスッキリ感を両立する絶妙な隙間 */
    margin-bottom: 2rem;
    color: var(--text-white);
}

.hero-title-sub {
    font-size: 2.5rem;
    /* 1行目のサイズを引き上げ、文字の勢いと迫力を補強 */
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: -0.01em;
    color: var(--text-silver);
    display: block;
}

.hero-title-main {
    font-size: 3.5rem;
    /* 2文目の最大オファーは圧倒的サイズを維持 */
    font-weight: 900;
    line-height: 1.3;
    letter-spacing: -0.02em;
    color: #ffffff;
    display: block;
}




.hero-lead {
    font-size: 1.25rem;
    color: var(--text-gray);
    max-width: 700px;
    margin: 0 auto 3rem;
    line-height: 1.7;
}

.hero-image-wrapper {
    position: relative;
    max-width: 1280px;
    margin: 3.5rem auto 4rem;
    border-radius: 24px;
    padding: 8px;
    background: linear-gradient(135deg, rgba(0, 245, 160, 0.2) 0%, rgba(255, 126, 185, 0.2) 100%);
    box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.8);
}

.hero-image {
    width: 100%;
    border-radius: 18px;
    object-fit: cover;
}

/* ヒーロー実績バッジ */
.hero-badges-container {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: nowrap;
    /* PC・タブレット大画面時は絶対に折り返さず、横への広がりを強調 */
    margin-bottom: 3.5rem;
}

#hero-cta-btn {
    padding-left: 4.5rem;
    padding-right: 4.5rem;
    transition: var(--transition-smooth);
}


.hero-stat-badge {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-glass);
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.95rem;
    font-weight: 700;
    white-space: nowrap;
    /* ⭐ バッジ内のテキストは絶対に中途半端に改行させない */
}


.hero-stat-icon {
    font-size: 1.2rem;
}

/* --------------------------------------------------------------------------
   8. 共感・課題提起セクション (Agitation)
   -------------------------------------------------------------------------- */
.agitation-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 1rem;
}

.agitation-card {
    text-align: center;
    position: relative;
    overflow: hidden;
}

.agitation-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--color-danger);
}

.agitation-icon-bad {
    font-size: 1.4rem;
    /* 1.75remからサイズダウンして全て1列に収める */
    color: var(--color-danger);
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    /* 中央寄せ */
    gap: 0.5rem;
    white-space: nowrap;
    /* 絶対に途中で改行させない */
    font-weight: 700;
}

.agitation-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-white);
}

.agitation-card p {
    font-size: 0.95rem;
    color: var(--text-gray);
}

/* --------------------------------------------------------------------------
   9. 解決策提示セクション (Solution)
   -------------------------------------------------------------------------- */
.solution-banner {
    background: linear-gradient(135deg, rgba(0, 245, 160, 0.03) 0%, rgba(0, 217, 245, 0.03) 100%);
    border: 1px solid rgba(0, 245, 160, 0.1);
    border-radius: 24px;
    padding: 3.5rem;
    position: relative;
    overflow: hidden;
}

.solution-banner::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(200, 30, 10, 0.08) 0%, rgba(7, 9, 19, 0) 70%);
    pointer-events: none;
}

.solution-title-box {
    margin-bottom: 2.5rem;
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
    text-align: left;
}

.solution-item {
    display: flex;
    gap: 1.25rem;
}

.solution-number {
    font-size: 2.5rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
}

.solution-text h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-white);
}

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

/* --------------------------------------------------------------------------
   10. プロフィール & ストーリー (Creator Story)
   -------------------------------------------------------------------------- */
.story-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 4rem;
    align-items: center;
}

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

.profile-image-container {
    position: relative;
    max-width: 320px;
    margin: 0 auto;
    border-radius: 20px;
    padding: 6px;
    background: var(--gradient-accent);
    box-shadow: var(--shadow-neon-pink);
}

.profile-img {
    border-radius: 15px;
    width: 100%;
}

.profile-name {
    font-size: 1.5rem;
    font-weight: 800;
    margin-top: 1.5rem;
    color: var(--text-white);
}

.profile-tag {
    font-size: 0.85rem;
    color: var(--color-pink);
    font-weight: bold;
    letter-spacing: 0.05em;
    margin-top: 0.25rem;
}

.story-content {
    text-align: left;
}

.story-p {
    font-size: 1.05rem;
    margin-bottom: 1.5rem;
    color: var(--text-silver);
}

.story-quote-box {
    background: rgba(255, 126, 185, 0.06);
    border: 1px solid rgba(255, 126, 185, 0.15);
    border-radius: 16px;
    padding: 1.75rem;
    margin: 2rem 0;
    position: relative;
}

.story-quote-box p {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 0.5rem;
}

.story-quote-sub {
    font-size: 0.85rem;
    color: var(--text-gray);
}

/* --------------------------------------------------------------------------
   11. なぜRobloxか？セクション (Market Analysis)
   -------------------------------------------------------------------------- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.stat-card {
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: 16px;
    padding: 2rem 1.5rem;
    text-align: center;
}

.stat-num {
    font-size: 2.25rem;
    font-weight: 900;
    color: var(--text-white);
    line-height: 1.1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-gray);
    font-weight: 600;
    letter-spacing: 0.02em;
}

.market-highlight-box {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    text-align: left;
    margin-top: 4rem;
    background: rgba(0, 217, 245, 0.02);
    border: 1px solid rgba(0, 217, 245, 0.08);
    border-radius: 20px;
    padding: 3rem;
}



.market-hl-img-wrapper {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.market-hl-text h3 {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 1.25rem;
    color: var(--text-white);
}

.market-hl-text p {
    font-size: 0.95rem;
    color: var(--text-gray);
    margin-bottom: 1.25rem;
    line-height: 1.7;
}

/* --------------------------------------------------------------------------
   12. 14日間カリキュラムセクション (Curriculum)
   -------------------------------------------------------------------------- */
.curriculum-intro-badge {
    background: var(--gradient-primary);
    color: #03050c;
    font-weight: 800;
    padding: 0.4rem 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    display: inline-block;
    font-size: 0.85rem;
}

/* カリキュラムタブ */
.curriculum-tabs {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 2.5rem;
    margin-bottom: 2rem;
}

.tab-btn {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 1rem 2rem;
    border-radius: 16px;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 260px;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.tab-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(232, 200, 74, 0.3);
    box-shadow: 0 0 20px rgba(232, 200, 74, 0.1);
}

.tab-btn.active {
    background: rgba(232, 200, 74, 0.03);
    border-color: var(--color-mint);
    box-shadow: 0 0 25px rgba(232, 200, 74, 0.18);
}

.tab-btn .tab-sub {
    font-size: 0.75rem;
    color: var(--text-gray);
    margin-bottom: 0.35rem;
    font-weight: 600;
}

.tab-btn .tab-main {
    font-size: 1.05rem;
    color: var(--text-white);
    font-weight: 800;
}

.tab-btn.active .tab-sub {
    color: var(--color-mint);
}

.tab-btn.active .tab-main {
    color: var(--text-white);
}

/* カテゴリ非表示用のクラス */
.curriculum-item.hidden {
    display: none !important;
}

/* スマホ表示のタブ調整 */
@media (max-width: 600px) {
    .curriculum-tabs {
        flex-direction: column;
        gap: 0.75rem;
        align-items: stretch;
        padding: 0 0.5rem;
    }

    .tab-btn {
        min-width: unset;
        padding: 0.85rem 1.25rem;
    }

    .tab-btn .tab-main {
        font-size: 0.95rem;
    }
}

.curriculum-list {
    margin-top: 2.5rem;
}

.curriculum-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    margin-bottom: 1rem;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.01);
    overflow: hidden;
    transition: var(--transition-fast);
}

.curriculum-item:hover {
    background: rgba(255, 255, 255, 0.02);
}

.curriculum-header {
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.curriculum-title-group {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    text-align: left;
}

.curriculum-day {
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--color-mint);
    border: 1px solid rgba(232, 200, 74, 0.25);
    background: rgba(232, 200, 74, 0.05);
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    letter-spacing: 0.05em;
    min-width: 80px;
    text-align: center;
}

.curriculum-day.free-day {
    color: var(--color-pink);
    border-color: rgba(255, 126, 185, 0.25);
    background: rgba(255, 126, 185, 0.05);
}

.curriculum-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-white);
}

.curriculum-toggle-icon {
    font-size: 1.25rem;
    color: var(--text-dark);
    transition: var(--transition-smooth);
}

.curriculum-item.active .curriculum-toggle-icon {
    transform: rotate(180deg);
    color: var(--color-mint);
}

.curriculum-body {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: var(--transition-smooth);
    background: rgba(0, 0, 0, 0.2);
    border-top: 0 solid rgba(255, 255, 255, 0.04);
}

.curriculum-item.active .curriculum-body {
    max-height: 500px;
    opacity: 1;
    padding: 2rem 2rem 2.5rem;
    border-top-width: 1px;
}

.curriculum-desc {
    font-size: 1rem;
    color: var(--text-gray);
    line-height: 1.8;
    text-align: left;
}

.curriculum-highlight-points {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.25rem;
}

.curriculum-point {
    font-size: 0.8rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 6px;
    padding: 0.25rem 0.75rem;
    color: var(--text-silver);
    font-weight: 500;
}

/* --------------------------------------------------------------------------
   13. AIツール紹介 & 費用設計 (AI Tools & Cost)
   -------------------------------------------------------------------------- */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 3.5rem;
}

.tool-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    padding: 2rem;
    text-align: left;
}

.tool-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
}

.tool-name-group h3 {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--text-white);
}

.tool-price {
    font-size: 0.85rem;
    color: var(--color-blue);
    font-weight: bold;
}

.tool-role {
    font-size: 0.85rem;
    color: var(--text-gray);
    margin-bottom: 1rem;
    font-weight: 600;
}

.tool-desc {
    font-size: 0.9rem;
    color: var(--text-gray);
    line-height: 1.6;
}

.cost-solution-box {
    background: linear-gradient(135deg, rgba(255, 126, 185, 0.04) 0%, rgba(7, 9, 19, 0) 100%);
    border: 1px solid rgba(255, 126, 185, 0.15);
    border-radius: 20px;
    padding: 3rem;
    text-align: left;
    margin-top: 4rem;
}

.cost-sol-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.cost-sol-badge {
    background: var(--gradient-accent);
    color: #ffffff;
    font-size: 0.8rem;
    font-weight: 800;
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    display: inline-block;
}

.cost-sol-header h3 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-white);
}

.cost-sol-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
    margin-top: 2rem;
    align-items: stretch;
}

.cost-sol-card {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 2.25rem 2rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    transition: var(--transition-smooth);
}

.cost-sol-card:hover {
    border-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 15px 35px -10px rgba(0, 0, 0, 0.5);
}

.cost-sol-card h4 {
    font-size: 1.1rem;
    font-weight: 800;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.cost-sol-card p {
    font-size: 0.95rem;
    color: var(--text-gray);
    line-height: 1.7;
}

/* --------------------------------------------------------------------------
   14. おすすめする人・しない人 (Target Audience)
   -------------------------------------------------------------------------- */
.audience-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    text-align: left;
}

.audience-card {
    padding: 3rem 2.5rem;
}

.audience-card h3 {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.audience-card.recommended h3 {
    color: var(--color-mint);
}

.audience-card.not-recommended h3 {
    color: var(--color-danger);
}

.audience-list li {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-silver);
}

.audience-list li::before {
    position: absolute;
    left: 0;
    top: 0;
    font-size: 1.1rem;
    font-weight: bold;
}

.audience-card.recommended .audience-list li::before {
    content: '✓';
    color: var(--color-mint);
}

.audience-card.not-recommended .audience-list li::before {
    content: '×';
    color: var(--color-danger);
}

/* --------------------------------------------------------------------------
   15. 豪華6大特典セクション (Bonuses)
   -------------------------------------------------------------------------- */
.bonuses-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
    margin-top: 1rem;
}

.bonus-card {
    text-align: left;
    position: relative;
    padding: 3rem 2.5rem;
    display: flex;
    flex-direction: column;
}

.bonus-badge {
    position: absolute;
    top: -15px;
    left: 2.5rem;
    padding: 0.4rem 1.25rem;
    font-size: 0.85rem;
    font-weight: 900;
    border-radius: 6px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
}

.bonus-badge.limited {
    background: var(--gradient-accent);
    color: #ffffff;
    box-shadow: var(--shadow-neon-pink);
}

.bonus-badge.regular {
    background: var(--gradient-primary);
    color: #03050c;
    box-shadow: var(--shadow-neon);
}

.bonus-card h3 {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--text-white);
    margin: 1rem 0 1.25rem;
    line-height: 1.4;
    min-height: 3.8rem; /* タイトルの高さを2行分に揃え、画像の位置を完全に統一 */
}

.bonus-img-placeholder {
    width: 100%;
    height: 180px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: bold;
    color: var(--text-gray);
    overflow: hidden;
}

.bonus-img-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.bonus-card p {
    font-size: 0.95rem;
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.bonus-card-footer {
    margin-top: auto;
    font-size: 0.85rem;
    color: var(--color-blue);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* --------------------------------------------------------------------------
   16. 価格 & スクール比較 (Pricing)
   -------------------------------------------------------------------------- */
.pricing-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.comparison-box {
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 2.5rem;
    margin-bottom: 3.5rem;
    text-align: left;
}

.comparison-box h3 {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--text-white);
    margin-bottom: 1.5rem;
    text-align: center;
}

.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.comp-item {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: 12px;
    padding: 1.75rem;
    text-align: center;
}

.comp-item.highlight-comp {
    border-color: rgba(232, 200, 74, 0.2);
    background: rgba(232, 200, 74, 0.02);
}

.comp-header {
    font-size: 0.9rem;
    color: var(--text-gray);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.comp-item.highlight-comp .comp-header {
    color: var(--color-mint);
}

.comp-price {
    font-size: 1.75rem;
    font-weight: 900;
    color: var(--text-white);
    margin-bottom: 1rem;
}

.comp-desc {
    font-size: 0.85rem;
    color: var(--text-gray);
    line-height: 1.6;
}

.main-price-card {
    background: linear-gradient(135deg, rgba(7, 9, 19, 0.9) 0%, rgba(15, 18, 36, 0.9) 100%);
    border: 2px solid var(--color-mint);
    box-shadow: 0 20px 50px rgba(232, 200, 74, 0.15);
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.main-price-card:hover {
    border-color: var(--color-mint) !important;
    box-shadow: 0 25px 60px rgba(232, 200, 74, 0.25);
}

.price-card-badge {
    position: absolute;
    top: 20px;
    right: -40px;
    background: var(--color-mint);
    color: #03050c;
    padding: 0.5rem 3rem;
    font-size: 0.85rem;
    font-weight: 900;
    transform: rotate(45deg);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.price-headline {
    font-size: 1.1rem;
    color: var(--color-mint);
    font-weight: 800;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.price-amount-box {
    margin: 2rem 0;
}

.price-sub {
    font-size: 0.9rem;
    text-decoration: line-through;
    color: var(--text-dark);
}

.price-main {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--text-white);
    line-height: 1;
}

.price-tax {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-gray);
    margin-left: 0.25rem;
}

.price-warning {
    background: rgba(255, 126, 185, 0.08);
    border: 1px solid rgba(255, 126, 185, 0.2);
    border-radius: 12px;
    padding: 1.25rem;
    margin: 2rem 0;
    font-size: 0.95rem;
    color: var(--color-pink);
    font-weight: 700;
    line-height: 1.6;
}

.price-affiliate-bonus {
    margin-top: 2.5rem;
    background: rgba(0, 217, 245, 0.05);
    border: 1px solid rgba(0, 217, 245, 0.2);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: left;
}

.price-affiliate-title {
    font-size: 1rem;
    font-weight: 800;
    color: var(--color-blue);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.price-affiliate-desc {
    font-size: 0.9rem;
    color: var(--text-silver);
    line-height: 1.6;
}

/* --------------------------------------------------------------------------
   17. よくある質問 (FAQ)
   -------------------------------------------------------------------------- */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    margin-bottom: 1.25rem;
    background: rgba(255, 255, 255, 0.01);
    overflow: hidden;
    transition: var(--transition-fast);
}

.faq-item:hover {
    border-color: var(--border-glass-hover);
}

.faq-question {
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
    text-align: left;
}

.faq-q-text {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-white);
    display: flex;
    gap: 1rem;
}

.faq-q-text::before {
    content: 'Q';
    color: var(--color-mint);
    font-weight: 900;
}

.faq-icon {
    font-size: 1.2rem;
    color: var(--text-dark);
    transition: var(--transition-smooth);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
    color: var(--color-mint);
}

.faq-answer {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: var(--transition-smooth);
    background: rgba(0, 0, 0, 0.2);
    border-top: 0 solid rgba(255, 255, 255, 0.04);
}

.faq-item.active .faq-answer {
    max-height: 500px;
    opacity: 1;
    padding: 2rem 2rem 2.5rem;
    border-top-width: 1px;
}

.faq-a-text {
    font-size: 0.95rem;
    color: var(--text-gray);
    line-height: 1.8;
    text-align: left;
    display: flex;
    gap: 1rem;
}

.faq-a-text::before {
    content: 'A';
    color: var(--color-pink);
    font-weight: 900;
}

/* --------------------------------------------------------------------------
   18. フッター (Footer)
   -------------------------------------------------------------------------- */
.footer {
    background-color: #04050a;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    padding: 4rem 0 3rem;
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-dark);
}

.footer-links {
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-link {
    color: var(--text-gray);
    transition: var(--transition-fast);
}

.footer-link:hover {
    color: var(--color-mint);
}

.footer-copyright {
    margin-top: 1.5rem;
    font-size: 0.8rem;
}

/* --------------------------------------------------------------------------
   19. アニメーションユーティリティ (Animations)
   -------------------------------------------------------------------------- */
.reveal-fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

@keyframes pulse-neon {
    0% {
        box-shadow: 0 0 15px rgba(232, 200, 74, 0.2);
    }

    50% {
        box-shadow: 0 0 25px rgba(232, 200, 74, 0.45);
    }

    100% {
        box-shadow: 0 0 15px rgba(232, 200, 74, 0.2);
    }
}

.pulse-glow {
    animation: pulse-neon 2s infinite ease-in-out;
}

/* --------------------------------------------------------------------------
   20. メディアクエリ (Responsive Design)
   -------------------------------------------------------------------------- */
@media (max-width: 992px) {
    .hero-title-sub {
        font-size: 1.9rem;
    }

    .hero-title-main {
        font-size: 2.5rem;
    }

    .hero-badges-container {
        flex-wrap: wrap;
        /* タブレット以下では適切に折り返して画面内に収める */
        gap: 1rem;
    }
    .agitation-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .solution-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .story-wrapper {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .profile-card {
        order: -1;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }

    .market-highlight-box {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 2rem;
    }

    .tools-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .cost-sol-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .audience-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .bonuses-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .comparison-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

@media (max-width: 576px) {
    .section {
        padding: 5rem 0;
    }

    .hero-title-sub {
        font-size: 1.5rem;
    }

    .hero-title-main {
        font-size: 1.85rem;
    }

    .hero-badges-container {
        flex-direction: column;
        /* スマホ時は縦に3段どっしり並べて折り返しの不自然さを完全解消 */
        align-items: center;
        gap: 0.75rem;
    }

    .hero-stat-badge {
        font-size: 0.88rem;
        /* 文字を少し小さくして1行にすっきり収める */
        padding: 0.6rem 1.2rem;
        width: 100%;
        max-width: 340px;
        /* 3枚の横幅を揃えてピシッと美しい長方形にする */
        justify-content: center;
        /* 中央寄せで完璧なバランス */
    }

    #hero-cta-btn {
        padding-left: 2rem;
        padding-right: 2rem;
        width: 100%;
        max-width: 450px;
    }

    .hero-lead {
        font-size: 1.05rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .solution-banner {
        padding: 2.25rem 1.25rem;
    }

    .glass-card {
        padding: 1.75rem;
    }

    .curriculum-title-group {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .curriculum-header {
        padding: 1.25rem;
    }

    .curriculum-item.active .curriculum-body {
        padding: 1.25rem;
    }

    .bonus-card {
        padding: 2.25rem 1.5rem 1.75rem;
    }

    .bonus-badge {
        left: 1.5rem;
    }

    .price-main {
        font-size: 2.75rem;
    }

    .faq-q-text {
        font-size: 0.95rem;
    }

    .faq-question {
        padding: 1.25rem;
    }

    .faq-item.active .faq-answer {
        padding: 1.25rem;
    }

    /* コストカットカードと対比バッジのスマホ最適化（はみ出し防止） */
    .cost-sol-card {
        padding: 1.75rem 1rem !important;
    }

    .cost-comparison-badge {
        padding: 0.75rem 0.5rem !important;
        gap: 0.25rem !important;
        border-radius: 10px !important;
    }

    /* ➔ 矢印のサイズと文字サイズの縮小 */
    .cost-comparison-badge div[style*="width: 1.8rem"] {
        width: 1.3rem !important;
        height: 1.3rem !important;
        font-size: 0.7rem !important;
    }

    /* 「開発期間中」「全ツール契約時」などのラベル文字サイズ */
    .cost-comparison-badge span[style*="font-size: 0.68rem"] {
        font-size: 0.62rem !important;
    }

    /* 金額・期間テキストのサイズ縮小 */
    .cost-comparison-badge span[style*="font-size: 1rem"] {
        font-size: 0.82rem !important;
    }
    .cost-comparison-badge span[style*="font-size: 1.15rem"] {
        font-size: 0.95rem !important;
    }
    .cost-comparison-badge span[style*="font-size: 0.95rem"] {
        font-size: 0.8rem !important;
    }
    .cost-comparison-badge span[style*="font-size: 1.25rem"] {
        font-size: 1.05rem !important;
    }

    /* 実演ゲームプレイボタンとコンテナのスマホ最適化（はみ出し防止） */
    .market-highlight-box {
        padding: 1.75rem 1rem !important;
    }

    .demo-play-btn {
        padding: 0.75rem 1.25rem 0.75rem 1rem !important;
        gap: 0.5rem !important;
        border-radius: 30px !important;
    }

    /* 再生マーク円枠の縮小 */
    .demo-play-btn span[style*="width: 1.8rem"] {
        width: 1.4rem !important;
        height: 1.4rem !important;
    }
    .demo-play-btn span[style*="font-size: 0.75rem"] {
        font-size: 0.65rem !important;
    }

    /* ボタン内テキストの縮小 */
    .demo-play-btn span[style*="font-size: 0.9rem"] {
        font-size: 0.78rem !important;
    }
    .demo-play-btn span[style*="font-size: 0.8rem"] {
        font-size: 0.7rem !important;
    }
}

/* ==========================================================================
   カリキュラムマイルストーン & スマート画像プレースホルダー装飾スタイル
   ========================================================================== */
.curriculum-milestone-wrapper {
    max-width: 800px;
    margin: 2rem auto 2.5rem;
    padding: 0 1rem;
}

.milestone-box {
    transition: var(--transition-smooth);
    overflow: hidden;
}

.milestone-box.hidden {
    display: none !important;
}

/* スマートプレースホルダーラッパー */
.smart-placeholder-wrapper {
    position: relative;
    width: 100%;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.smart-placeholder-wrapper:hover {
    transform: translateY(-2px);
    border-color: rgba(232, 200, 74, 0.35);
    box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.7), 0 15px 35px -10px rgba(0, 0, 0, 0.8), 0 0 25px rgba(232, 200, 74, 0.15);
}

/* アスペクト比維持用の疑似要素 */
.smart-placeholder-wrapper::before {
    content: "";
    display: block;
}

/* アスペクト比クラス */
.ratio-hero::before {
    padding-top: 52.34%;
}

/* 1280:670 (Hero Main) */
.ratio-16-9::before {
    padding-top: 56.25%;
}

/* 16:9 */
.ratio-3-2::before {
    padding-top: 66.67%;
}

/* 3:2 */
.ratio-1-1::before {
    padding-top: 100%;
}

/* 1:1 */
.ratio-4-3::before {
    padding-top: 75%;
}

/* 4:3 */

/* プレースホルダーテキストコンテンツ */
.placeholder-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    text-align: center;
    z-index: 1;
    pointer-events: none;
    box-sizing: border-box;
}

.placeholder-badge {
    background: rgba(232, 200, 74, 0.1);
    color: var(--color-mint);
    border: 1px solid rgba(232, 200, 74, 0.2);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    border-radius: 100px;
    margin-bottom: 0.75rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.placeholder-size {
    font-family: 'Inter', sans-serif;
    font-size: 1.1rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 0.5rem;
    text-shadow: 0 0 10px rgba(232, 200, 74, 0.3);
}

.placeholder-desc {
    font-size: 0.8rem;
    color: var(--text-silver);
    line-height: 1.5;
    max-width: 90%;
    margin: 0;
}

/* 実画像が重なるスタイル */
.smart-placeholder-wrapper img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 2;
    opacity: 0;
    transition: opacity 0.5s ease;
    border-radius: 14px;
}

/* 画像が正常に読み込まれたら表示するクラス */
.smart-placeholder-wrapper img.loaded {
    opacity: 1;
}

/* ピンクネオンのプレースホルダー（アクセント用） */
.pink-placeholder {
    border-color: rgba(255, 255, 255, 0.08);
}

.pink-placeholder:hover {
    border-color: rgba(255, 126, 185, 0.35);
    box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.7), 0 15px 35px -10px rgba(0, 0, 0, 0.8), 0 0 25px rgba(255, 126, 185, 0.15);
}

.pink-placeholder .placeholder-badge {
    background: rgba(255, 126, 185, 0.1);
    color: var(--color-pink);
    border-color: rgba(255, 126, 185, 0.2);
}

.pink-placeholder .placeholder-size {
    text-shadow: 0 0 10px rgba(255, 126, 185, 0.3);
}

/* ==========================================================================
   実演ゲームプレイ画像スライドショー用アニメーション
   ========================================================================== */
@keyframes demoSlideFade {
    from {
        opacity: 0.6;
        transform: scale(0.99);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.demo-slide.fade-slide {
    animation: demoSlideFade 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}