/* =========================================================================
   スタイル設定（店舗向けLP「utaverse」）
   サイバーパンク・ネオン風のダークモードをベースに、
   リッチで動きのあるUIを目指したスタイリング
========================================================================= */

/* カスタムプロパティ（CSS変数）の定義 */
:root {
    --primary: #F8B4C6; /* ソフトピンク */
    --primary-hover: #F4729E;
    --primary-dark: #EC407A;
    --secondary: #BDE0FE; /* パステルブルー */
    --line-green: #06c755;
    --line-green-hover: #05a747;
    --bg-base: #FDF6F9; /* ふんわり淡いピンク・ホワイト */
    --bg-surface: rgba(255, 255, 255, 0.7); /* ホワイトグラスモーフィズム */
    --text-main: #111111; /* ダークグレー（黒は避ける） */
    --text-muted: #555555; /* サブテキスト */
    --gradient-brand: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --shadow-soft: 0 8px 32px rgba(255, 139, 167, 0.15); /* ソフトシャドウ */
    --shadow-button: 0 6px 20px rgba(0, 0, 0, 0.08);
    --font-jp: 'Noto Sans JP', sans-serif;
    --font-en: 'Figtree', 'Outfit', sans-serif;
    --font-heading: 'Figtree', 'Noto Sans JP', sans-serif;
}

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

body {
    background-color: var(--bg-base);
    color: var(--text-main);
    font-family: var(--font-jp);
    line-height: 1.6;
    letter-spacing: -0.01em;
    overflow-x: hidden;
    scroll-behavior: smooth;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

/* 共通コンテナ設定 */
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

/* セクションのパディング */
.section {
    padding: 100px 0;
    position: relative;
    z-index: 1;
}

/* グリデーションテキスト */
.text-gradient {
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

/* =========================================================================
   ナビゲーションバー
========================================================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 139, 167, 0.15);
    padding: 0 20px;
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-logo {
    font-family: var(--font-en);
    font-size: 1.8rem;
    font-weight: 800;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
}

.navbar-links {
    display: flex;
    gap: 32px;
}

.navbar-links a {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

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

.btn-nav {
    background: var(--primary);
    color: #fff;
    padding: 10px 24px;
    border-radius: 9999px;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    border: 4px solid #fff;
    box-shadow: var(--shadow-button);
    transition: all 0.2s ease;
}

.btn-nav:hover {
    transform: scale(1.03);
    filter: brightness(1.05);
}

/* ハンバーガーメニュー（デスクトップでは非表示） */
.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-main);
    margin: 5px 0;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

@media screen and (max-width: 768px) {
    .hamburger {
        display: block;
    }

    .navbar-links {
        display: none;
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        flex-direction: column;
        padding: 20px;
        gap: 0;
        border-bottom: 1px solid rgba(255, 139, 167, 0.15);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    }

    .navbar-links.open {
        display: flex;
    }

    .navbar-links a {
        padding: 16px 20px;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        font-size: 1rem;
    }

    .navbar-links a:last-child {
        border-bottom: none;
    }

    .navbar-container {
        height: 60px;
    }

    .btn-nav {
        display: none;
    }
}

/* =========================================================================
   ヘッダー（トップバナー）
========================================================================= */
.top-banner {
    background: linear-gradient(90deg, rgba(248, 180, 198, 0.15) 0%, rgba(189, 224, 254, 0.15) 100%);
    border-bottom: 1px solid rgba(255, 139, 167, 0.2);
    text-align: center;
    padding: 12px;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-top: 70px;
}

.top-banner .highlight {
    color: var(--primary-dark);
    font-weight: 700;
}

/* =========================================================================
   ヒーローセクション（ファーストビュー）
========================================================================= */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

/* 背景のエフェクト（サイバー感を出すための装飾） */
.hero-bg-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(255, 139, 167, 0.15) 0%, transparent 50%);
    transform: translate(-50%, -50%);
    z-index: -1;
    animation: rotateBg 20s linear infinite;
}

@keyframes rotateBg {
    from {
        transform: translate(-50%, -50%) rotate(0deg);
    }

    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

.beta-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #ffffff;
    padding: 10px 24px;
    border-radius: 9999px;
    font-weight: 700;
    font-size: 0.95rem;
    margin-bottom: 30px;
    box-shadow: var(--shadow-soft);
    border: 3px solid rgba(255, 255, 255, 0.5);
    letter-spacing: 0.02em;
}

.main-catch {
    font-family: var(--font-heading);
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 30px;
    letter-spacing: -0.02em;
    color: var(--text-main);
}

.sub-catch {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    margin-bottom: 40px;
    color: var(--text-muted);
    line-height: 1.7;
}

.brand-text {
    font-family: var(--font-en);
    font-size: 1.5em;
    font-weight: 800;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.01em;
}

.authority-list {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.authority-list li {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(255, 139, 167, 0.2);
    padding: 12px 22px;
    border-radius: 9999px;
    font-weight: 600;
    font-size: 0.95rem;
    backdrop-filter: blur(8px);
    box-shadow: 0 2px 12px rgba(255, 139, 167, 0.08);
}

/* =========================================================================
   ボタンとアニメーション
========================================================================= */
.btn {
    display: inline-block;
    text-decoration: none;
    font-weight: 600;
    border-radius: 9999px;
    transition: all 0.25s cubic-bezier(0.22, 1, 0.36, 1);
    cursor: pointer;
    text-align: center;
    font-family: var(--font-heading);
}

.btn.large {
    padding: 20px 50px;
    font-size: 1.3rem;
    border-radius: 9999px;
}

.btn-primary {
    background: var(--primary);
    color: #ffffff;
    padding: 18px 40px;
    font-size: 1.15rem;
    border: 6px solid #ffffff;
    box-shadow: 
        var(--shadow-button),
        inset 0 -8px 20px rgba(236, 64, 122, 0.4);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(236, 64, 122, 0.3) 100%);
    opacity: 0.6;
    pointer-events: none;
}

.btn-primary:hover {
    transform: scale(1.03);
    filter: brightness(1.05);
    box-shadow: 
        0 8px 30px rgba(0, 0, 0, 0.12),
        inset 0 -8px 20px rgba(236, 64, 122, 0.5);
}

/* LINE誘導用ボタン */
.btn-line {
    background: var(--line-green);
    color: #ffffff;
    padding: 18px 40px;
    font-size: 1.15rem;
    border: 6px solid #ffffff;
    box-shadow: var(--shadow-button);
    position: relative;
}

.btn-line:hover {
    background: var(--line-green-hover);
    transform: scale(1.03);
    filter: brightness(1.05);
}


/* 常に脈打つアニメーション */
.pulse {
    animation: pulseAnim 2.5s infinite;
}

@keyframes pulseAnim {
    0% {
        box-shadow: 0 0 0 0 rgba(248, 180, 198, 0.6);
    }

    70% {
        box-shadow: 0 0 0 20px rgba(248, 180, 198, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(248, 180, 198, 0);
    }
}

/* =========================================================================
   Blur-to-Reveal アニメーション (記事のおすすめエフェクト)
========================================================================= */
.blur-reveal {
    opacity: 0;
    filter: blur(12px);
    transform: translateY(20px);
    animation: blurToReveal 0.8s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.blur-reveal.delay-1 {
    animation-delay: 0.15s;
}

.blur-reveal.delay-2 {
    animation-delay: 0.3s;
}

.blur-reveal.delay-3 {
    animation-delay: 0.45s;
}

@keyframes blurToReveal {
    to {
        opacity: 1;
        filter: blur(0px);
        transform: translateY(0px);
    }
}

.cta-note {
    margin-top: 15px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* =========================================================================
   各セクション共通タイトル
========================================================================= */
.section-title {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    text-align: center;
    margin-bottom: 50px;
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: -0.02em;
    color: var(--text-main);
}

.section-title.left-align {
    text-align: left;
}

/* =========================================================================
   問題提起セクション（痛み）
========================================================================= */
.section-lead {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 50px;
}

.pain-points {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.pain-card {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(255, 139, 167, 0.15);
    padding: 32px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.pain-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(255, 139, 167, 0.15);
    border-color: rgba(255, 139, 167, 0.3);
}

.pain-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

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

.highlight-box {
    display: inline-block;
    background: linear-gradient(135deg, rgba(248, 180, 198, 0.12) 0%, rgba(189, 224, 254, 0.08) 100%);
    border-left: 5px solid var(--primary-dark);
    padding: 24px 40px;
    border-radius: 0 16px 16px 0;
    font-size: 1.1rem;
}

.highlight-box .big-text {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-dark);
    display: block;
    margin-top: 12px;
}

/* =========================================================================
   解決策セクション
========================================================================= */
.flex-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 50px;
}

.solution-content {
    flex: 1;
}

.solution-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    position: relative;
}

.cyber-circle {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    border: 2px dashed var(--secondary);
    position: relative;
    animation: spin 15s linear infinite;
}

.cyber-circle::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border: 1px solid rgba(255, 139, 167, 0.5);
    border-radius: 50%;
    animation: spin-reverse 20s linear infinite;
}

@keyframes spin {
    100% {
        transform: rotate(360deg);
    }
}

@keyframes spin-reverse {
    100% {
        transform: rotate(-360deg);
    }
}

.solution-text {
    font-size: 1.1rem;
    margin-bottom: 40px;
}

.step-title {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--secondary);
}

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

.step-list li {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    background: rgba(189, 224, 254, 0.05);
    padding: 15px;
    border-radius: 16px;
    border-left: 4px solid var(--secondary);
    background: #fff;
    box-shadow: 0 4px 15px rgba(189, 224, 254, 0.5);
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--gradient-brand);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
    margin-right: 20px;
    flex-shrink: 0;
}

.step-detail h4 {
    margin-bottom: 5px;
    font-size: 1.1rem;
}

/* =========================================================================
   デモ（UTA画像）セクション
========================================================================= */
.demo-character {
    text-align: center;
    margin-bottom: 50px;
}

.floating-img {
    max-width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(189, 224, 254, 0.2);
    animation: float 4s ease-in-out infinite;
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-15px);
    }

    100% {
        transform: translateY(0px);
    }
}

.demo-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.demo-card {
    background: rgba(255, 255, 255, 0.8);
    padding: 32px;
    border-radius: 20px;
    border: 1px solid rgba(255, 139, 167, 0.15);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    transition: all 0.3s ease;
}

.demo-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(255, 139, 167, 0.12);
}

.highlight-card {
    border-color: rgba(255, 139, 167, 0.3);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 180, 198, 0.08) 100%);
}

.demo-step-title {
    color: var(--primary-dark);
    margin-bottom: 15px;
    font-size: 1.15rem;
    font-weight: 700;
}

/* =========================================================================
   デモ動画セクション
========================================================================= */
.demo-videos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-bottom: 50px;
}

.video-card {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(255, 139, 167, 0.15);
    box-shadow: 0 8px 32px rgba(255, 139, 167, 0.1);
    transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.video-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(255, 139, 167, 0.18);
}

.video-card video {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    aspect-ratio: 16 / 9;
}

.video-caption {
    padding: 16px 20px;
    text-align: center;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-main);
    background: linear-gradient(135deg, rgba(248, 180, 198, 0.08) 0%, rgba(189, 224, 254, 0.05) 100%);
}

/* =========================================================================
   事例・機能・価格
========================================================================= */
.case-studies {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.case-card {
    background: rgba(255, 255, 255, 0.85);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(189, 224, 254, 0.3);
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    transition: all 0.3s ease;
}

.case-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(189, 224, 254, 0.2);
}

.case-badge {
    background: var(--secondary);
    color: #000;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
    display: inline-block;
    margin-bottom: 15px;
}

.case-quote {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--primary-dark);
}

/* UtaGiftMaker動画 */
.giftmaker-video {
    margin-top: 24px;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(255, 139, 167, 0.2);
    box-shadow: 0 8px 32px rgba(255, 139, 167, 0.12);
    background: #000;
}

.giftmaker-video video {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.giftmaker-caption {
    padding: 12px 16px;
    text-align: center;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-main);
    background: linear-gradient(135deg, rgba(248, 180, 198, 0.1) 0%, rgba(189, 224, 254, 0.08) 100%);
}

.case-meta {
    margin-top: 20px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.85);
    padding: 32px;
    border-radius: 20px;
    text-align: left;
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 139, 167, 0.1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(255, 139, 167, 0.12);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 15px;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-main);
}

.pricing-content {
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(255, 139, 167, 0.15);
    border-radius: 24px;
    padding: 50px;
    text-align: center;
    backdrop-filter: blur(12px);
    box-shadow: 0 8px 40px rgba(255, 139, 167, 0.08);
}

.beta-notice {
    margin: 40px 0;
    padding: 24px;
    background: linear-gradient(135deg, rgba(189, 224, 254, 0.15) 0%, rgba(248, 180, 198, 0.1) 100%);
    border: 2px dashed var(--secondary);
    border-radius: 20px;
    color: var(--text-main);
    font-size: 1.1rem;
}

.beta-notice strong {
    color: var(--secondary);
    font-size: 1.3rem;
}

.reframe-list {
    list-style: none;
    display: inline-block;
    text-align: left;
    margin: 30px 0;
}

.reframe-list li {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.pricing-box {
    margin-top: 20px;
    background: linear-gradient(135deg, rgba(255, 139, 167, 0.1) 0%, rgba(189, 224, 254, 0.1) 100%);
    border: 1px solid rgba(189, 224, 254, 0.3);
    padding: 30px;
    border-radius: 24px;
    display: inline-block;
}

.pricing-box .price {
    font-size: 1.5rem;
    font-weight: bold;
    margin: 20px 0;
}

.pricing-box .price span {
    font-size: 3rem;
    color: var(--secondary);
    font-family: var(--font-en);
}

.pricing-box ul {
    list-style: none;
    text-align: left;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.pricing-box ul li::before {
    content: '・';
}

/* =========================================================================
   収益シミュレーション
========================================================================= */
.simulation-lead {
    text-align: center;
    font-size: 1.05rem;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.sim-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.sim-card {
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(189, 224, 254, 0.25);
    border-radius: 24px;
    padding: 36px 32px;
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    transition: all 0.3s ease;
}

.sim-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(189, 224, 254, 0.2);
}

.sim-card-highlight {
    border: 2px solid var(--primary);
    box-shadow: 0 8px 32px rgba(255, 139, 167, 0.12);
    position: relative;
}

.sim-badge {
    display: inline-block;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.sim-badge-a {
    background: var(--secondary);
    color: #333;
}

.sim-badge-b {
    background: var(--primary);
    color: #fff;
}

.sim-card-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-main);
}

.sim-card-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.sim-table {
    margin-bottom: 20px;
}

.sim-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    font-size: 0.95rem;
}

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

.sim-label {
    color: var(--text-muted);
}

.sim-value {
    font-weight: 600;
    text-align: right;
}

.sim-minus {
    color: var(--text-muted);
}

.sim-row-total {
    border-top: 2px solid var(--primary);
    border-bottom: none;
    margin-top: 8px;
    padding-top: 14px;
}

.sim-profit {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--primary-dark);
    font-family: var(--font-en);
}

.sim-profit small {
    font-size: 0.8rem;
    font-weight: 600;
}

.sim-point {
    font-size: 0.9rem;
    color: var(--text-muted);
    padding: 16px;
    background: linear-gradient(135deg, rgba(248, 180, 198, 0.08) 0%, rgba(189, 224, 254, 0.05) 100%);
    border-radius: 12px;
    line-height: 1.7;
}

.sim-breakeven {
    text-align: center;
    padding: 32px;
    background: rgba(255, 255, 255, 0.85);
    border: 2px dashed var(--primary);
    border-radius: 20px;
    font-size: 1.1rem;
    line-height: 1.8;
    box-shadow: 0 4px 20px rgba(255, 139, 167, 0.08);
}

.sim-breakeven strong {
    color: var(--primary-dark);
}

@media (max-width: 768px) {
    .sim-cards {
        grid-template-columns: 1fr;
    }
}

/* =========================================================================
   FAQ
========================================================================= */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: rgba(255, 255, 255, 0.85);
    margin-bottom: 15px;
    border-radius: 16px;
    overflow: hidden;
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 139, 167, 0.1);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
}

.faq-q {
    padding: 20px;
    font-weight: 600;
    cursor: pointer;
    position: relative;
    user-select: none;
    border-left: 4px solid var(--primary);
    transition: background 0.2s ease;
}

.faq-q:hover {
    background: rgba(248, 180, 198, 0.05);
}

.faq-q::after {
    content: '▼';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    transition: transform 0.3s;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.faq-item.active .faq-q::after {
    transform: translateY(-50%) rotate(180deg);
}

.faq-a {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    background: linear-gradient(135deg, rgba(248, 180, 198, 0.08) 0%, rgba(189, 224, 254, 0.05) 100%);
    color: var(--text-main);
}

.faq-item.active .faq-a {
    padding: 20px;
    max-height: 300px;
}

/* =========================================================================
   追伸 & アンケート (Survey)
========================================================================= */
.closing-content p {
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.survey-container {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(189, 224, 254, 0.25);
    border-radius: 24px;
    padding: 60px 40px;
    box-shadow: 0 16px 60px rgba(255, 139, 167, 0.12);
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    backdrop-filter: blur(16px);
}

.survey-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 20px;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
}

.survey-lead {
    font-size: 1.1rem;
    margin-bottom: 40px;
    color: var(--text-main);
}

/* 質問エリア */
.quiz-area {
    position: relative;
    min-height: 350px;
}

/* プログレスバー */
.progress-bar-container {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    margin-bottom: 30px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    width: 25%;
    /* 初期値・JSで更新 */
    background: var(--gradient-brand);
    transition: width 0.4s ease;
}

/* 質問ステップ */
.quiz-step {
    display: none;
    animation: fadeInStep 0.5s ease forwards;
}

.quiz-step.active {
    display: block;
}

@keyframes fadeInStep {
    from {
        opacity: 0;
        transform: translateX(20px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.quiz-badge {
    display: inline-block;
    background: rgba(189, 224, 254, 0.1);
    color: var(--secondary);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: bold;
    border: 1px solid rgba(189, 224, 254, 0.3);
    margin-bottom: 20px;
}

.quiz-question {
    font-size: 1.4rem;
    margin-bottom: 15px;
    line-height: 1.5;
}

.quiz-note {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 30px;
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-width: 500px;
    margin: 30px auto 0;
}

.quiz-btn {
    background: rgba(255, 255, 255, 0.9);
    color: var(--text-main);
    border: 2px solid rgba(248, 180, 198, 0.4);
    padding: 20px;
    border-radius: 16px;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.22, 1, 0.36, 1);
    backdrop-filter: blur(8px);
}

.quiz-btn:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(248, 180, 198, 0.3);
}

.quiz-btn.outline {
    background: transparent;
    color: var(--text-muted);
    border: 2px solid rgba(200, 200, 200, 0.4);
}

.quiz-btn.outline:hover {
    background: rgba(200, 200, 200, 0.15);
    color: var(--text-main);
}

/* クイズ結果表示 */
.quiz-result {
    animation: fadeInStep 0.6s ease forwards;
}

.quiz-result.hidden {
    display: none;
}

.result-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.result-visual {
    margin-bottom: 24px;
}

.result-img {
    max-width: 280px;
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 12px 40px rgba(255, 139, 167, 0.2);
    animation: floatIn 0.6s ease-out forwards;
}

@keyframes floatIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.result-title {
    font-size: 2rem;
    margin-bottom: 20px;
    font-weight: bold;
}

.result-text {
    font-size: 1.1rem;
    margin-bottom: 40px;
    line-height: 1.8;
}

.download-card {
    background: linear-gradient(135deg, rgba(189, 224, 254, 0.1) 0%, rgba(248, 180, 198, 0.08) 100%);
    border: 2px solid var(--secondary);
    padding: 40px 24px;
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    backdrop-filter: blur(8px);
}

.download-card p {
    font-weight: 600;
    color: var(--primary-dark);
}

.small-note {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: normal;
}

/* =========================================================================
   フッター
========================================================================= */
.footer {
    background: linear-gradient(180deg, var(--bg-base) 0%, #f0e8eb 100%);
    text-align: center;
    border-top: 1px solid rgba(255, 139, 167, 0.1);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 32px;
    padding: 32px 20px 16px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

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

.footer-bottom {
    background: rgba(0, 0, 0, 0.03);
    padding: 24px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* =========================================================================
   JSアニメーション用ユーティリティクラス（初期状態）
========================================================================= */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-up {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 1s ease-out, transform 1s ease-out;
}

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

.delay-1 {
    transition-delay: 0.2s;
}

.delay-2 {
    transition-delay: 0.4s;
}

.delay-3 {
    transition-delay: 0.6s;
}

/* =========================================================================
   レスポンシブ対応
========================================================================= */
@media screen and (max-width: 768px) {
    .section {
        padding: 60px 0;
    }

    .top-banner {
        margin-top: 60px;
        font-size: 0.8rem;
        padding: 10px;
    }

    .hero {
        min-height: 80vh;
    }

    .main-catch {
        font-size: clamp(1.8rem, 5vw, 2.5rem);
    }

    .sub-catch {
        font-size: 1rem;
    }

    .authority-list {
        gap: 10px;
    }

    .authority-list li {
        padding: 10px 16px;
        font-size: 0.85rem;
    }

    .cta-wrapper {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .btn-primary,
    .btn-line,
    .quiz-btn {
        width: 100%;
        max-width: 350px;
    }

    .btn-primary {
        padding: 16px 32px;
        font-size: 1rem;
        border-width: 4px;
    }

    .btn.large {
        padding: 16px 32px;
        font-size: 1.1rem;
    }

    .flex-row {
        flex-direction: column;
    }

    .section-title {
        font-size: clamp(1.5rem, 4vw, 2rem);
        margin-bottom: 30px;
    }

    .section-lead {
        font-size: 1rem;
        margin-bottom: 30px;
    }

    .pain-points {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .highlight-box {
        padding: 20px 24px;
        font-size: 1rem;
    }

    .highlight-box .big-text {
        font-size: 1.2rem;
    }

    .demo-videos {
        grid-template-columns: 1fr;
    }

    .demo-steps {
        grid-template-columns: 1fr;
    }

    .case-studies {
        grid-template-columns: 1fr;
    }

    .case-card {
        padding: 28px;
    }

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

    .pricing-content {
        padding: 30px 20px;
    }

    .pricing-box .price span {
        font-size: 2.2rem;
    }

    .survey-container {
        padding: 40px 20px;
    }

    .quiz-question {
        font-size: 1.15rem;
    }

    .footer-links {
        gap: 16px;
        padding: 24px 20px 12px;
    }
}

/* =========================================================================
   キャラクター合成・レイアウトカスタム
========================================================================= */
.complex-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 350px;
}

.system-img {
    width: 100%;
    max-width: 500px;
    z-index: 1;
    position: relative;
    border-radius: 16px;
    box-shadow: 0 16px 48px rgba(255, 139, 167, 0.15);
}

.mac-img {
    width: 80%;
    max-width: 400px;
    z-index: 1;
    position: relative;
}

.character-overlay {
    position: absolute;
    bottom: -30px;
    right: -20px;
    width: 45%;
    max-width: 250px;
    z-index: 2;
    transform: rotate(5deg);
    filter: drop-shadow(0 10px 20px rgba(255, 139, 167, 0.4));
    animation: characterFloat 4s ease-in-out infinite;
}

@keyframes characterFloat {
    0% {
        transform: translateY(0px) rotate(5deg);
    }
    50% {
        transform: translateY(-10px) rotate(3deg);
    }
    100% {
        transform: translateY(0px) rotate(5deg);
    }
}


/* =========================================================================
   カラオケ対応機種リスト (Q2)
========================================================================= */
.karaoke-models {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin: 20px 0;
    justify-content: center;
}

.model-box {
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(255, 139, 167, 0.3);
    border-radius: 12px;
    padding: 15px;
    flex: 1;
    min-width: 250px;
    text-align: left;
}

.model-box.dam {
    border-left: 4px solid #DF2A27; /* DAM Red */
}

.model-box.joysound {
    border-left: 4px solid #1E90FF; /* JOYSOUND Blue */
}

.model-box h4 {
    margin-bottom: 5px;
    font-size: 1.1rem;
    color: var(--text-main);
}

.model-box p {
    font-size: 0.95rem;
    color: var(--text-muted);
    font-weight: bold;
}