:root{
        /* ライトテーマ：清潔感のある白基調にダーク系テキスト */
        --bg: #ffffff;
        --bg-soft: #f8f8fb;
        --text: #1a1a2e;
        --muted: #4a4a5a;
        --sub: #7a7a85;
        --line: rgba(0,0,0,0.1);
        --line-strong: rgba(0,0,0,0.2);
        --accent: #5651b8;
        --accent-soft: rgba(86, 81, 184, 0.08);
        /* すりガラス用の変数（淡いダーク） */
        --glass-bg: rgba(0, 0, 0, 0.03);
        --glass-border: rgba(0, 0, 0, 0.1);

        /* ダーク維持用（ナビ/フッター/モーダル用） */
        --dark-bg: #0a0a0f;
        --dark-text: #fdfdfd;
        --dark-muted: #c4c4d4;
        --dark-sub: #8d8d98;
        --dark-line: rgba(255,255,255,0.1);
        --dark-accent: #c2bfff;
        --dark-glass-bg: rgba(255, 255, 255, 0.05);
        --dark-glass-border: rgba(255, 255, 255, 0.12);
    }

    *{box-sizing:border-box;}
    html{scroll-behavior:smooth;}
    body{
        margin:0;
        background:var(--bg);
        color:var(--text);
        /* 游明朝を優先：日本語も英数字もすべて明朝・セリフ系に統一。Times は欧文フォールバック */
        font-family:"Yu Mincho","YuMincho","Hiragino Mincho ProN","游明朝","Times New Roman",Georgia,serif;
        font-weight:400;
        font-feature-settings:"palt" 1, "ss01" 1;
        line-height:1.85;
        letter-spacing:0.01em;
        overflow-x:hidden;
        position: relative;
        -webkit-font-smoothing:antialiased;
        -moz-osx-font-smoothing:grayscale;
        text-rendering:optimizeLegibility;
    }

    /* 編集的タイポ：欧文・数字専用クラス（必要に応じてHTMLに付与可能） */
    .latin {
        font-family:"Inter","Helvetica Neue","Helvetica",sans-serif;
        font-feature-settings:"tnum" 1;
    }
    /* 大型数字（編集デザイン用） */
    .display-num {
        font-family:"Inter","Helvetica Neue","Helvetica",sans-serif;
        font-weight:200;
        letter-spacing:-0.02em;
        line-height:1;
    }

    /* ▼▼▼ アンビエントカラー＋微細ノイズで紙の質感を演出 ▼▼▼ */
    body::before {
        content: "";
        position: fixed;
        inset: 0;
        /* ラベンダー／ピンクの色みを除去し純白に。紙質感の微細ノイズのみ残す */
        background:
            url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/><feColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.04 0'/></filter><rect width='200' height='200' filter='url(%23n)'/></svg>");
        z-index: -1;
        pointer-events: none;
    }

    /* スクロールリビール演出 */
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.8s cubic-bezier(0.165, 0.84, 0.44, 1),
                    transform 0.8s cubic-bezier(0.165, 0.84, 0.44, 1);
    }
    .reveal.visible {
        opacity: 1;
        transform: translateY(0);
    }
    @media (prefers-reduced-motion: reduce) {
        .reveal { opacity: 1; transform: none; transition: none; }
    }

    /* ▼▼▼ 上部の横一直線ダークバナー（フッターと対応） ▼▼▼ */
    body::after {
        content: "";
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        height: 88px;
        background: #050508;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        z-index: 50;
        pointer-events: none;
        transition: transform 0.35s ease;
    }

    /* ▼▼▼ 医療従事者確認モーダル ▼▼▼ */
    .modal-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(10, 10, 15, 0.85);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        z-index: 9999;
        display: flex;
        justify-content: center;
        align-items: center;
        opacity: 1;
        transition: opacity 0.5s ease;
    }
    .modal-overlay.hidden {
        opacity: 0;
        pointer-events: none;
    }
    .modal-content {
        background: var(--dark-glass-bg);
        border: 1px solid var(--dark-glass-border);
        border-radius: 8px;
        padding: 50px 40px;
        max-width: 600px;
        width: 90%;
        text-align: center;
        box-shadow: 0 20px 50px rgba(0,0,0,0.5), inset 0 0 20px rgba(255,255,255,0.02);
    }
    .modal-title {
        color: #fff;
        font-size: 1.5rem;
        letter-spacing: 0.1em;
        margin-top: 0;
        margin-bottom: 24px;
        font-weight: normal;
    }
    .modal-text {
        color: var(--dark-muted);
        font-size: 0.95rem;
        line-height: 1.9;
        margin-bottom: 34px;
        text-align: left;
    }
    .modal-question {
        color: var(--dark-accent);
        font-size: 1.1rem;
        font-weight: bold;
        margin-bottom: 24px;
        letter-spacing: 0.08em;
    }
    .modal-buttons {
        display: flex;
        justify-content: center;
        gap: 16px;
        flex-wrap: wrap;
    }
    .reject-message {
        color: #ff9e9e;
        font-size: 0.9rem;
        margin-top: 24px;
        letter-spacing: 0.05em;
    }

    .main-content{min-height:100vh;}
    .page-section{display:none; width:100%;}
    .page-section.active{display:block; animation:fadePage .6s ease-out;}
    @keyframes fadePage{
        from{opacity:0; transform:translateY(15px);}
        to{opacity:1; transform:translateY(0);}
    }

    .site-logo{
        position:fixed;
        top:28px;
        left:40px;
        z-index:100;
        font-family:"Yu Mincho","YuMincho","Hiragino Mincho ProN",serif;
        font-size:1.4rem;
        letter-spacing:.22em;
        text-decoration:none;
        color:#fff;
        cursor:pointer;
        background:linear-gradient(45deg,#c2bfff,#ffffff,#f0c4d3);
        -webkit-background-clip:text;
        -webkit-text-fill-color:transparent;
        font-weight: bold;
    }

    /* Rマークの文字サイズと位置を調整 */
    .site-logo span {
        letter-spacing: normal;
        font-size: 0.75em;
        vertical-align: super;
        margin-left: 4px;
    }

    nav{
        position:fixed;
        top:0;
        right:40px;
        z-index:100;
        height:88px;
        display:flex;
        align-items:center;
        gap:22px;
        padding:0 4px;
        background:transparent;
    }

    nav button, nav a {
        background:none;
        border:none;
        color:rgba(255,255,255,0.78);
        font-family:"Yu Mincho","YuMincho","Hiragino Mincho ProN","游明朝","Times New Roman",Georgia,serif;
        font-size:.85rem;
        letter-spacing:.18em;
        font-weight:500;
        cursor:pointer;
        padding:0;
        position:relative;
        transition:color 0.3s ease;
    }

    nav a:hover, nav button:hover,
    nav button.active-nav, nav a.active-nav {color:#fff;}

    nav button::after, nav a::after {
        content:"";
        position:absolute;
        left:0;
        bottom:-5px;
        width:0;
        height:1px;
        background:#fff;
        transition:width 0.3s ease;
    }

    nav button:hover::after, nav a:hover::after,
    nav button.active-nav::after, nav a.active-nav::after {width:100%;}

    @media (max-width: 980px){
        body::after{
            height:108px;
        }
        .site-logo{
            top:0;
            left:18px;
            height:54px;
            font-size:1.2rem;
        }
        nav{
            top:54px;
            left:0;
            right:0;
            transform:none;
            width:100%;
            max-width:100%;
            height:54px;
            justify-content:space-around;
            gap:0;
            padding:0 12px;
            border-radius:0;
            flex-wrap:nowrap;
        }
        nav button, nav a {
            font-size:.68rem;
            letter-spacing:.06em;
            white-space:nowrap;
        }
    }
    @media (max-width: 420px){
        nav{
            padding:0 8px;
        }
        nav button, nav a {
            font-size:.62rem;
            letter-spacing:.04em;
        }
        /* スクロール時にナビ＆ロゴを隠す（モバイルのみ） */
        .site-logo, nav {
            transition: transform 0.35s ease, opacity 0.35s ease;
            will-change: transform, opacity;
        }
        body.nav-hidden .site-logo {
            transform: translateY(-200%);
            opacity: 0;
            pointer-events: none;
        }
        body.nav-hidden nav {
            transform: translateY(-300%);
            opacity: 0;
            pointer-events: none;
        }
        body.nav-hidden::after {
            transform: translateY(-100%);
        }
    }

    .content-block{
        min-height:100vh;
        display:flex;
        flex-direction:column;
        justify-content:center;
        align-items:center;
        padding:110px 5% 120px;
        position:relative;
        z-index: 1;
    }

    h1,
    .content-block h2,
    .content-block h2.title-gradient {
        margin:0;
        font-family:"Yu Mincho","YuMincho","Hiragino Mincho ProN","游明朝","Times New Roman",serif;
        font-size:clamp(2.3rem,5vw,4.5rem);
        line-height:1.2;
        letter-spacing:.12em;
        font-weight:normal;
        text-align:center;
    }

    .hero-title{
        font-family:"Yu Mincho","YuMincho","Hiragino Mincho ProN","游明朝","Times New Roman",serif;
        text-align:left;
        font-size:clamp(2.4rem,5vw,4.8rem);
        line-height:1.15;
        letter-spacing:.06em;
        background:linear-gradient(45deg,#5651b8,#1a1a2e,#b85581);
        -webkit-background-clip:text;
        background-clip:text;
        -webkit-text-fill-color:transparent;
    }

    .title-gradient{
        font-family:"Yu Mincho","YuMincho","Hiragino Mincho ProN","游明朝","Times New Roman",serif;
        background:linear-gradient(45deg,#5651b8,#1a1a2e,#b85581);
        -webkit-background-clip:text;
        background-clip:text;
        -webkit-text-fill-color:transparent;
    }

    .subtitle{
        margin-top:18px;
        color:var(--muted);
        text-align:center;
        font-size:clamp(.95rem,2vw,1.08rem);
        letter-spacing:.08em;
        line-height:1.9;
        max-width:760px;
    }

    .hero-section{
        position:relative;
        min-height:100vh;
        display:flex;
        align-items:center;
        overflow:hidden;
    }

    .hero-bg-image{
        position:absolute;
        inset:0 0 0 auto;
        width:66%;
        z-index:1;
        background:linear-gradient(to right, var(--bg) 0%, rgba(255,255,255,0.5) 50%);
    }

    .hero-image-placeholder{
        position:absolute;
        inset:0;
        background:
            radial-gradient(ellipse at 25% 30%, rgba(86, 81, 184, 0.18) 0%, transparent 55%),
            radial-gradient(ellipse at 80% 70%, rgba(184, 85, 129, 0.13) 0%, transparent 55%),
            linear-gradient(135deg, #0a0a14 0%, #15151f 50%, #1a1a28 100%);
        z-index:-1;
    }

    .hero-image-placeholder::after{
        content:"";
        position:absolute;
        inset:0;
        background-image:
            url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/><feColorMatrix values='0 0 0 0 0.5 0 0 0 0 0.5 0 0 0 0 0.7 0 0 0 0.08 0'/></filter><rect width='200' height='200' filter='url(%23n)'/></svg>");
        opacity:0.4;
        mix-blend-mode:overlay;
        pointer-events:none;
    }

    .hero-content{
        position:relative;
        z-index:2;
        width:100%;
        max-width:1380px;
        margin:0 auto;
        padding:0 5%;
    }

    .hero-copy{
        max-width:700px;
        color:var(--text);
        font-size:1.05rem;
        line-height:2;
        margin:26px 0 38px;
    }

    .hero-buttons,
    .action-buttons{
        display:flex;
        gap:16px;
        flex-wrap:wrap;
        justify-content:center;
    }

    .hero-buttons{justify-content:flex-start;}

    .btn-outline,
    .btn-solid,
    .primary-cta,
    .view-btn,
    .back-btn{
        font-family:inherit;
        letter-spacing:.1em;
        text-decoration:none;
        cursor:pointer;
        transition:all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
        border-radius: 4px;
    }

    .btn-outline,
    .view-btn,
    .back-btn{
        padding:15px 38px;
        border:1px solid rgba(26,26,46,0.3);
        background: rgba(255,255,255,0.6);
        backdrop-filter: blur(8px);
        color:var(--text);
        font-size:.94rem;
    }

    .btn-outline:hover,
    .view-btn:hover{
        background:var(--text);
        color:#fff;
        border-color:var(--text);
        box-shadow: 0 8px 25px rgba(86,81,184,0.2);
    }

    .btn-solid,
    .primary-cta{
        padding:16px 42px;
        border:1px solid var(--text);
        background:var(--text);
        color:#fff;
        font-size:.97rem;
        font-weight:bold;
        box-shadow: 0 4px 15px rgba(0,0,0,0.15);
    }

    .btn-solid:hover,
    .primary-cta:hover{
        background:var(--accent);
        border-color:var(--accent);
        transform: translateY(-2px);
        box-shadow: 0 8px 25px rgba(86,81,184,0.3);
    }

    .back-btn{
        color:var(--muted);
        border-color:rgba(0,0,0,0.15);
    }
    .back-btn:hover{
        color:#fff;
        border-color:var(--text);
        background:var(--text);
    }

    @media (max-width:850px){
        .hero-bg-image{
            width:100%;
            background:linear-gradient(to top,var(--bg) 10%,rgba(255,255,255,0.5) 62%);
        }
        .hero-content{
            display:flex;
            flex-direction:column;
            justify-content:flex-end;
            min-height:82vh;
            padding-bottom:52px;
        }
        .hero-title{text-align:center;}
        .hero-copy{text-align:center; margin-left:auto; margin-right:auto;}
        .hero-buttons{justify-content:center;}
    }

    .line{
        width:1px;
        height:90px;
        margin-bottom:38px;
        background:linear-gradient(to bottom, transparent, rgba(0,0,0,.3), transparent);
    }

    .vertical-copy{
        writing-mode:vertical-rl;
        height:auto;
        margin:55px auto;
        padding-right:34px;
        border-right:1px solid var(--line);
        color:var(--text);
        letter-spacing:.42em;
        font-size:clamp(1.35rem,3.2vw,1.9rem);
        position:relative;
        z-index:2;
    }

    .philo-container{
        width:100%;
        max-width:900px;
        margin:0 auto;
        text-align:left;
    }

    .philo-item {
        display: flex;
        gap: 34px;
        margin-bottom: 50px;
        padding-bottom: 50px;
        border-bottom: 1px solid var(--line);
    }

    .philo-item:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }

    .philo-num {
        font-family: "Inter", "Helvetica Neue", Arial, sans-serif;
        font-size: clamp(3.5rem, 6vw, 5.5rem);
        color: var(--text);
        opacity: 0.12;
        font-weight: 200;
        line-height: 0.9;
        letter-spacing: -0.04em;
        min-width: 90px;
        flex-shrink: 0;
    }

    .philo-content {
        flex: 1;
    }

    .philo-h3{
        font-family:"Yu Mincho","YuMincho","Hiragino Mincho ProN","游明朝","Times New Roman",serif;
        margin:0 0 20px 0;
        font-size:clamp(1.25rem, 2.8vw, 1.5rem);
        font-weight:bold;
        line-height:1.5;
        letter-spacing:.02em;
        color:var(--text);
    }

    .philo-list{
        list-style:none;
        padding:0;
        margin:0;
        color:var(--muted);
        font-size:.96rem;
        line-height:1.95;
    }

    .philo-list li{
        position:relative;
        padding-left:1.35em;
        margin-bottom:11px;
    }

    .philo-list li::before{
        content:"—";
        position:absolute;
        left:0;
        color:var(--accent);
        opacity:.8;
    }

    /* ▼▼▼ PRODUCTS page features grid (グラスモーフィズム適用) ▼▼▼ */
    .feature-grid-wrapper {
        width: 100%;
        max-width: 1040px;
        margin: 0 auto;
    }

    .feature-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
        margin-top: 50px;
    }

    .feature-card {
        background: rgba(255, 255, 255, 0.7);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border: 1px solid var(--glass-border);
        box-shadow: 0 4px 18px rgba(0, 0, 0, 0.06);
        padding: 40px;
        text-align: left;
        transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
        display: flex;
        flex-direction: column;
        border-radius: 8px;
    }

    .feature-card:hover {
        border-color: rgba(86,81,184,0.3);
        background: rgba(255,255,255,0.9);
        transform: translateY(-6px);
        box-shadow: 0 12px 30px rgba(86,81,184,0.12);
    }

    .feature-num-label {
        font-family: "Inter", "Helvetica Neue", Arial, sans-serif;
        color: var(--accent);
        font-size: 0.72rem;
        letter-spacing: 0.25em;
        margin-bottom: 18px;
        display: block;
        font-weight: 600;
        position: relative;
        padding-left: 28px;
    }
    .feature-num-label::before {
        content: "";
        position: absolute;
        left: 0;
        top: 50%;
        width: 20px;
        height: 1px;
        background: var(--accent);
    }

    .feature-card-title {
        margin: 0 0 18px 0;
        font-size: clamp(1.25rem, 2.6vw, 1.5rem);
        color: var(--text);
        font-weight: bold;
        letter-spacing: 0.02em;
        line-height: 1.5;
    }

    .feature-card-text {
        color: var(--muted);
        font-size: 0.95rem;
        line-height: 1.9;
        margin: 0;
    }

    @media (max-width: 850px) {
        .feature-grid {
            grid-template-columns: 1fr;
            gap: 20px;
        }
        .feature-card {
            padding: 30px 24px;
        }
        .philo-item {
            flex-direction: column;
            gap: 16px;
            padding-bottom: 40px;
            margin-bottom: 40px;
        }
        .philo-num {
            font-size: 1.4rem;
        }
    }

    /* For support page / other lists */
    .detail-list-wrapper,
    .flow-container,
    .faq-container,
    .form-container{
        width:100%;
        max-width:820px;
    }

    .detail-item{
        position:relative;
        padding-left:0;
        margin-bottom:34px;
    }

    .detail-title{
        margin-bottom:18px;
        padding-bottom:14px;
        border-bottom:1px solid var(--line);
        font-size:clamp(1.2rem, 2.5vw, 1.4rem);
        color:var(--text);
        letter-spacing:.02em;
        font-weight:bold;
        line-height:1.5;
        text-align:center;
    }

    .detail-text{
        color:var(--muted);
        font-size:.97rem;
        line-height:2;
    }

    .detail-text p{
        margin:0 0 18px;
    }
    .detail-text p:last-child{
        margin-bottom:0;
    }
    .detail-text strong{
        color:var(--text);
        font-weight:bold;
    }
    .detail-list{
        list-style:none;
        padding:0;
        margin:8px 0 22px;
        color:var(--muted);
        font-size:.95rem;
        line-height:1.9;
    }
    .detail-list li{
        position:relative;
        padding-left:1.4em;
        margin-bottom:6px;
    }
    .detail-list li::before{
        content:"—";
        position:absolute;
        left:0;
        color:var(--accent);
        opacity:.7;
    }

    .prod-row{
        display:flex;
        justify-content:center;
        align-items:center;
        gap:28px;
        flex-wrap:wrap;
        margin-top:54px;
    }

    /* プロダクトボタン（白基調・ダークアクセント） */
    .lens-circle{
        width:250px;
        height:250px;
        border-radius:50%;
        border:1px solid rgba(86,81,184,0.2);
        background: rgba(255, 255, 255, 0.7);
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px);
        display:flex;
        flex-direction:column;
        justify-content:center;
        align-items:center;
        position:relative;
        overflow:hidden;
        cursor:pointer;
        transition:.4s cubic-bezier(0.165, 0.84, 0.44, 1);
        text-align:center;
        padding:20px;
        color: var(--text);
        box-shadow: 0 8px 24px rgba(86,81,184,0.08);
    }

    .lens-circle:hover{
        transform:scale(1.05);
        border-color:var(--accent);
        background:rgba(255,255,255,0.95);
        box-shadow: 0 15px 40px rgba(86,81,184,0.18);
    }

    /* COMING SOONラベル */
    .coming-soon-badge {
        display: inline-block;
        margin-top: 12px;
        padding: 6px 14px;
        background: var(--accent-soft);
        border: 1px solid rgba(86, 81, 184, 0.3);
        color: var(--accent);
        font-size: 0.75rem;
        font-weight: bold;
        letter-spacing: 0.15em;
        border-radius: 20px;
    }

    /* ロック状態のボタン */
    .lens-circle.locked {
        cursor: not-allowed;
    }
    .lens-circle.locked:hover {
        transform: none;
        border-color: rgba(86,81,184,0.2);
        background: rgba(255, 255, 255, 0.7);
        box-shadow: 0 8px 24px rgba(86,81,184,0.08);
    }

    .product-title-large{
        font-family:"Yu Mincho","YuMincho","Hiragino Mincho ProN","游明朝","Times New Roman",serif;
        font-size:clamp(2.2rem,5vw,3.2rem);
        line-height:1;
        letter-spacing:.08em;
        font-weight:normal;
        color: var(--text);
    }

    .product-sub{
        margin-top:8px;
        margin-bottom:8px;
        color:var(--muted);
        font-size:.85rem;
        letter-spacing:.04em;
    }

    /* 4.0x 詳細ページのプレースホルダー画像部分 */
    .product-detail-image{
        width:min(350px,80vw);
        height:min(350px,80vw);
        margin:0 auto 40px;
        border-radius:50%;
        border:1px solid var(--line-strong);
        background: var(--bg-soft);
        backdrop-filter: blur(10px);
        display:flex;
        flex-direction:column;
        justify-content:center;
        align-items:center;
        text-align:center;
        box-shadow: 0 15px 40px rgba(0,0,0,0.08);
        position: relative;
        overflow: hidden;
    }

    /* SPEC TABLE & FOV LIST */
    .spec-table{
        width:100%;
        max-width:720px;
        margin:38px auto;
        border-collapse:collapse;
        text-align:left;
    }

    .spec-table th,
    .spec-table td{
        padding:17px 14px;
        border-bottom:1px solid var(--line);
        font-size:.95rem;
        vertical-align:middle; 
    }

    .spec-table th{
        width:34%;
        font-weight:normal;
        color:var(--sub);
    }

    .spec-table td{
        color:var(--text);
    }

    .spec-fov-list {
        list-style: none;
        padding: 0;
        margin: 0;
        max-width: 220px;
    }

    .spec-fov-list li {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 6px 0;
        border-bottom: 1px dotted var(--line);
    }

    .spec-fov-list li:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }

    .spec-fov-list span:first-child {
        color: var(--sub);
        font-size: 0.85rem;
        letter-spacing: 0.08em;
    }

    .spec-fov-list span:last-child {
        color: var(--text);
        font-size: 0.95rem;
        letter-spacing: 0.05em;
    }

    .flow-container{
        margin:58px auto 0;
        text-align:left;
        padding-left:28px;
        border-left:1px solid var(--line-strong);
    }

    .flow-step{
        position:relative;
        margin-bottom:52px;
    }

    .flow-step::before{
        content:"";
        position:absolute;
        left:-34px;
        top:12px;
        width:10px;
        height:10px;
        border-radius:50%;
        background:var(--bg);
        border:2px solid var(--accent);
    }

    .flow-number{
        display:block;
        margin-bottom:8px;
        color:var(--accent);
        font-family:"Inter","Helvetica Neue",sans-serif;
        font-weight: 600;
        font-size:.72rem;
        letter-spacing:.25em;
    }

    .flow-title{
        margin-bottom:12px;
        font-size:clamp(1.2rem, 2.5vw, 1.4rem);
        letter-spacing:.02em;
        color:var(--text);
        font-weight:bold;
        line-height:1.5;
    }

    .flow-text{
        color:var(--muted);
        font-size:.95rem;
        line-height:1.9;
    }

    .faq-item{
        margin-bottom:32px;
        padding-bottom:20px;
        border-bottom:1px solid var(--line);
    }

    .faq-q{
        display:flex;
        gap:12px;
        margin-bottom:14px;
        color:var(--text);
        font-size:clamp(1.1rem, 2.3vw, 1.25rem);
        line-height:1.6;
        font-weight:bold;
        letter-spacing:.02em;
    }

    .faq-q::before{
        content:"Q.";
        color:var(--accent);
        font-weight:bold;
    }

    .faq-a{
        display:flex;
        gap:12px;
        color:var(--muted);
        font-size:.95rem;
        line-height:1.9;
    }

    .faq-a::before{
        content:"A.";
        color:var(--sub);
        font-weight:bold;
    }

    /* ▼▼▼ CONTACT FORM TABS ▼▼▼ */
    .contact-tabs {
        display: flex;
        gap: 12px;
        margin-bottom: 40px;
        justify-content: center;
        flex-wrap: wrap;
    }

    .contact-tab-btn {
        padding: 15px 32px;
        background: rgba(255, 255, 255, 0.6);
        backdrop-filter: blur(8px);
        border: 1px solid var(--glass-border);
        color: var(--muted);
        cursor: pointer;
        font-family: inherit;
        letter-spacing: 0.08em;
        transition: all 0.3s ease;
        border-radius: 6px;
        font-size: 0.95rem;
    }

    .contact-tab-btn:hover {
        background: rgba(86,81,184,0.06);
        color: var(--text);
    }

    .contact-tab-btn.active {
        background: var(--text);
        color: #fff;
        border-color: var(--text);
        font-weight: bold;
        box-shadow: 0 4px 15px rgba(0,0,0,0.12);
    }

    .contact-form-wrapper {
        display: none;
        width: 100%;
        max-width: 820px;
    }

    .contact-form-wrapper.active {
        display: block;
        animation: fadePage 0.4s ease-out forwards;
    }

    .form-container{
        margin-top:0;
        background: rgba(255, 255, 255, 0.7);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border: 1px solid var(--glass-border);
        padding: 50px;
        border-radius: 8px;
        box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    }

    @media (max-width: 850px) {
        .form-container {
            padding: 30px 20px;
        }
    }

    .form-group{
        margin-bottom:34px;
        text-align:left;
    }

    .form-label{
        display:block;
        margin-bottom:12px;
        color:var(--text);
        font-size:.95rem;
        letter-spacing:.08em;
    }

    .form-input,
    .form-select{
        width:100%;
        padding:17px 18px;
        background:#fff;
        border:1px solid var(--line-strong);
        color:var(--text);
        font-family:inherit;
        font-size:1rem;
        border-radius: 4px;
        transition: border-color 0.3s;
    }

    .form-input:focus,
    .form-select:focus{
        outline:none;
        border-color:var(--accent);
        background:#fff;
        box-shadow: 0 0 0 3px rgba(86, 81, 184, 0.15);
    }

    textarea.form-input{
        min-height:150px;
        resize:vertical;
        line-height:1.8;
    }

    .radio-group,
    .checkbox-group{
        display:flex;
        flex-wrap:wrap;
        gap:14px 22px;
    }

    .check-label{
        display:flex;
        align-items:center;
        gap:8px;
        color:var(--muted);
        font-size:.95rem;
        cursor:pointer;
    }

    input[type="radio"],
    input[type="checkbox"]{
        accent-color:var(--accent);
        width:16px;
        height:16px;
    }

    .submit-btn{
        width:100%;
        margin-top:10px;
        padding:19px;
        background:var(--text);
        border:1px solid var(--text);
        color:#fff;
        font-family:inherit;
        font-size:1.03rem;
        font-weight:bold;
        letter-spacing:.16em;
        cursor:pointer;
        transition:.3s;
        border-radius: 4px;
    }

    .submit-btn:disabled {
        background: #999;
        border-color: #999;
        cursor: not-allowed;
        opacity: 0.6;
        transform: none;
        box-shadow: none;
    }

    .submit-btn:hover:not(:disabled){
        background:var(--accent);
        border-color: var(--accent);
        transform: translateY(-2px);
        box-shadow: 0 8px 25px rgba(86,81,184,0.25);
    }

    .notice-box{
        width:100%;
        max-width:820px;
        margin:0 auto 24px;
        padding:16px 20px;
        border:1px solid rgba(86, 81, 184, 0.2);
        background:rgba(86, 81, 184, 0.04);
        color:var(--muted);
        font-size:.88rem;
        line-height:1.9;
        border-radius: 6px;
    }

    .global-footer{
        width:100%;
        padding:72px 5% 38px;
        background:#050508;
        border-top:1px solid rgba(0,0,0,0.1);
        text-align:center;
        position: relative;
        z-index: 1;
    }

    .footer-links{
        display:flex;
        justify-content:center;
        flex-wrap:wrap;
        gap:26px;
        margin-bottom:26px;
    }

    .footer-links a{
        color:#8d8d98;
        text-decoration:none;
        font-size:.84rem;
        letter-spacing:.08em;
        cursor:pointer;
        transition: color 0.3s;
    }

    .footer-links a:hover{color:#fff;}

    .medical-license{
        margin-bottom:24px;
        color:#63636f;
        font-size:.76rem;
        line-height:2;
    }

    .copyright{
        color:#4f4f58;
        font-size:.76rem;
        letter-spacing:.08em;
    }

    /* ===== PRODUCTS page only : optical origin gallery ===== */
    #page-products .products-origin-block{
        width:100%;
        max-width:1040px;
        margin:0 auto 56px;
        padding-top:10px;
    }

    #page-products .products-origin-head{
        max-width:760px;
        margin:0 auto 26px;
        text-align:center;
    }

    #page-products .products-origin-label{
        display:block;
        margin-bottom:10px;
        color:var(--sub);
        font-size:.76rem;
        letter-spacing:.18em;
        text-transform:uppercase;
    }

    #page-products .products-origin-title{
        margin:0 0 16px;
        font-size:1.2rem;
        letter-spacing:.05em;
        color:var(--text);
        font-weight:normal;
    }

    #page-products .products-origin-text{
        color:var(--muted);
        line-height:1.95;
        font-size:.95rem;
        text-align:left;
    }

    #page-products .products-origin-text p{
        margin:0 0 16px;
    }

    #page-products .products-origin-text strong{
        color:var(--text);
        font-weight:bold;
    }

    #page-products .products-origin-gallery{
        margin-top:30px;
        display:flex;
        justify-content:center;
        gap:18px;
    }

    #page-products .products-origin-item{
        position:relative;
        overflow:hidden;
        border:1px solid var(--glass-border);
        background:#000;
        aspect-ratio:4 / 5;
        max-width:420px;
        width:100%;
        border-radius: 8px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    }

    #page-products .products-origin-item img{
        width:100%;
        height:100%;
        display:block;
        object-fit:cover;
        object-position:center center;
        filter:brightness(.9) saturate(1.1) contrast(1.1);
        transform:scale(1.01);
    }

    #page-products .products-origin-item::before{
        content:"";
        position:absolute;
        inset:0;
        z-index:2;
        pointer-events:none;
        background:
            radial-gradient(circle at center, rgba(0,0,0,0) 50%, rgba(0,0,0,.16) 72%, rgba(0,0,0,.34) 100%),
            linear-gradient(to top, rgba(5,5,5,.92) 0%, rgba(5,5,5,.14) 30%, rgba(5,5,5,.10) 70%, rgba(5,5,5,.72) 100%),
            linear-gradient(to right, rgba(5,5,5,.72) 0%, rgba(5,5,5,.06) 18%, rgba(5,5,5,.06) 82%, rgba(5,5,5,.72) 100%);
    }

    #page-products .products-origin-item::after{
        content:"";
        position:absolute;
        inset:-1px;
        z-index:3;
        pointer-events:none;
        box-shadow:
            inset 0 0 70px rgba(0,0,0,.64),
            inset 0 -34px 70px rgba(0,0,0,.56);
    }

    #page-products .products-origin-caption{
        margin-top:16px;
        color:var(--sub);
        font-size:.8rem;
        letter-spacing:.06em;
        text-align:center;
    }

    @media (max-width: 900px){
        #page-products .products-origin-gallery{
            flex-direction:column;
            align-items:center;
        }

        #page-products .products-origin-item{
            aspect-ratio:16 / 11;
            max-width:500px;
        }
    }

/* マルチページ対応：nav内のaタグのデフォルト挙動を上書き */
nav a {
    text-decoration: none;
    display: inline-block;
}


/* ▼▼▼ コラム記事用スタイル ▼▼▼ */
.article-container {
    max-width: 820px;
    margin: 0 auto;
    padding: 0 5%;
}
.article-header {
    text-align: left;
    padding: 60px 0 30px;
    border-bottom: 1px solid var(--line);
    margin-bottom: 50px;
}
.article-eyebrow {
    display: block;
    color: var(--accent);
    font-family: "Inter", "Helvetica Neue", sans-serif;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    margin-bottom: 18px;
    position: relative;
    padding-left: 28px;
}
.article-eyebrow::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 20px;
    height: 1px;
    background: var(--accent);
}
.article-h1 {
    font-family:"Yu Mincho","YuMincho","Hiragino Mincho ProN","游明朝","Times New Roman",serif;
    font-size: clamp(1.6rem, 4vw, 2.4rem);
    line-height: 1.5;
    letter-spacing: 0.05em;
    margin: 0 0 24px;
    font-weight: normal;
    background: linear-gradient(45deg, #5651b8, #1a1a2e, #b85581);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.article-meta {
    color: var(--sub);
    font-size: 0.85rem;
    letter-spacing: 0.08em;
}
.article-meta span + span::before {
    content: "・";
    margin: 0 0.5em;
}
.article-toc {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 16px 24px;
    margin: 32px 0;
}
.article-toc-title {
    color: var(--accent);
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    cursor: pointer;
    user-select: none;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    outline: none;
}
.article-toc-title::-webkit-details-marker {
    display: none;
}
.article-toc-title::after {
    content: "▼";
    font-size: 0.6rem;
    opacity: 0.6;
    transition: transform 0.3s ease;
    margin-left: 12px;
}
.article-toc[open] .article-toc-title::after {
    transform: rotate(180deg);
}
.article-toc ol {
    margin: 14px 0 0;
    padding-left: 1.5em;
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 2;
}
.article-toc a {
    color: var(--muted);
    text-decoration: none;
    transition: color 0.3s;
}
.article-toc a:hover {
    color: var(--accent);
}
@media (max-width: 768px) {
    .article-toc {
        padding: 12px 18px;
        margin: 24px 0;
    }
    .article-toc ol {
        font-size: 0.9rem;
        line-height: 1.9;
    }
}
.article-body h2 {
    font-family:"Yu Mincho","YuMincho","Hiragino Mincho ProN","游明朝","Times New Roman",serif;
    font-size: clamp(1.3rem, 3vw, 1.7rem);
    color: var(--text);
    margin: 60px 0 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--line);
    font-weight: normal;
    letter-spacing: 0.05em;
    line-height: 1.5;
}
.article-body h3 {
    font-family:"Yu Mincho","YuMincho","Hiragino Mincho ProN","游明朝","Times New Roman",serif;
    font-size: 1.15rem;
    color: var(--accent);
    margin: 36px 0 14px;
    font-weight: normal;
    letter-spacing: 0.05em;
}
.article-body p {
    color: var(--muted);
    font-size: 1rem;
    line-height: 2;
    margin: 0 0 20px;
}
.article-body strong {
    color: var(--text);
    font-weight: bold;
}
.article-body ul, .article-body ol {
    color: var(--muted);
    line-height: 2;
    padding-left: 1.5em;
    margin: 0 0 24px;
}
.article-body li {
    margin-bottom: 8px;
}
.article-body blockquote {
    margin: 24px 0;
    padding: 16px 24px;
    background: var(--accent-soft);
    border-left: 3px solid var(--accent);
    border-radius: 4px;
    color: var(--text);
    font-size: 0.98rem;
    line-height: 1.9;
}
.article-callout {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 24px 28px;
    margin: 32px 0;
}
.article-callout-title {
    color: var(--accent);
    font-size: 0.95rem;
    font-weight: bold;
    margin-bottom: 12px;
    letter-spacing: 0.08em;
}
.article-cta {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 40px;
    margin: 60px 0 40px;
    text-align: center;
}
.article-cta-title {
    color: var(--text);
    font-size: 1.2rem;
    margin: 0 0 16px;
    letter-spacing: 0.05em;
}
.article-cta-text {
    color: var(--muted);
    margin-bottom: 24px;
    font-size: 0.95rem;
}
.article-nav {
    display: flex;
    gap: 16px;
    margin: 48px 0;
    flex-wrap: wrap;
    justify-content: space-between;
}
.article-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 32px 28px;
    text-decoration: none;
    display: block;
    transition: all 0.3s ease;
    color: inherit;
}
.article-card {
    background: rgba(255,255,255,0.6);
}
.article-card:hover {
    border-color: rgba(86,81,184,0.3);
    background: rgba(255,255,255,0.9);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(86,81,184,0.08);
}
.article-card-tag {
    display: inline-block;
    background: var(--accent-soft);
    color: var(--accent);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    margin-bottom: 14px;
}
.article-card-title {
    color: var(--text);
    font-size: 1.1rem;
    margin: 0 0 12px;
    font-weight: normal;
    line-height: 1.5;
    letter-spacing: 0.05em;
}
.article-card-desc {
    color: var(--muted);
    font-size: 0.9rem;
    line-height: 1.8;
    margin: 0;
}
.article-card-meta {
    margin-top: 16px;
    color: var(--sub);
    font-size: 0.78rem;
    letter-spacing: 0.05em;
}
.article-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin: 40px 0;
}
@media (min-width: 700px) {
    .article-list {
        grid-template-columns: 1fr 1fr;
    }
}

/* ============================================================
   ▼▼▼ section-dark : CSS変数をローカルに上書きしてダーク版へ ▼▼▼
   各ページの <section class="section-dark"> として使う。
   子要素は var(--text)/--muted/--glass-bg 等を参照しているので
   配色が自動で反転する。一部 hardcode の色は明示的に上書き。
   ============================================================ */
.section-dark {
    --bg: #050508;
    --bg-soft: #12121a;
    --text: #fdfdfd;
    --muted: #c4c4d4;
    --sub: #8d8d98;
    --line: rgba(255, 255, 255, 0.1);
    --line-strong: rgba(255, 255, 255, 0.25);
    --accent: #c2bfff;
    --accent-soft: rgba(194, 191, 255, 0.12);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.12);

    background-color: var(--bg);
    color: var(--text);
    position: relative;
    z-index: 2;  /* 背景ノイズより前 */
}

/* グラデーション文字をダーク背景向け（明るい色合い）に */
.section-dark .title-gradient,
.section-dark .hero-title,
.section-dark .article-h1 {
    background: linear-gradient(45deg, #c2bfff, #ffffff, #f0c4d3);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

/* ボタン：主ボタンを白＋黒文字に反転 */
.section-dark .btn-solid,
.section-dark .primary-cta,
.section-dark .submit-btn {
    background: #ffffff;
    color: #050508;
    border-color: #ffffff;
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.15);
}
.section-dark .btn-solid:hover,
.section-dark .primary-cta:hover,
.section-dark .submit-btn:hover:not(:disabled) {
    background: var(--accent);
    color: #050508;
    border-color: var(--accent);
    box-shadow: 0 8px 25px rgba(194, 191, 255, 0.3);
}
.section-dark .btn-outline,
.section-dark .view-btn {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text);
    border-color: rgba(255, 255, 255, 0.3);
}
.section-dark .btn-outline:hover,
.section-dark .view-btn:hover {
    background: #ffffff;
    color: #050508;
    border-color: #ffffff;
}
.section-dark .back-btn {
    color: var(--muted);
    border-color: rgba(255, 255, 255, 0.2);
    background: transparent;
}
.section-dark .back-btn:hover {
    color: #050508;
    background: #ffffff;
    border-color: #ffffff;
}

/* hardcodeされていた色を明示上書き */
.section-dark .feature-card-title,
.section-dark .philo-h3,
.section-dark .flow-title,
.section-dark .detail-title,
.section-dark .faq-q,
.section-dark .article-cta-title,
.section-dark .article-card-title,
.section-dark .form-label,
.section-dark .modal-title {
    color: var(--text);
}
.section-dark .feature-card-text,
.section-dark .faq-a,
.section-dark .flow-text,
.section-dark .detail-text,
.section-dark .article-card-desc,
.section-dark .article-meta {
    color: var(--muted);
}
.section-dark .feature-card,
.section-dark .article-cta,
.section-dark .article-callout,
.section-dark .article-card,
.section-dark .lens-circle,
.section-dark .form-container,
.section-dark .article-toc {
    background: var(--glass-bg);
    border-color: var(--glass-border);
}
.section-dark .article-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(194, 191, 255, 0.4);
}
.section-dark .feature-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(194, 191, 255, 0.4);
}

/* フォームinputをダーク向けに */
.section-dark .form-input,
.section-dark .form-select {
    background: rgba(0, 0, 0, 0.4);
    border-color: var(--glass-border);
    color: var(--text);
}
.section-dark .form-input:focus,
.section-dark .form-select:focus {
    border-color: var(--accent);
    background: rgba(0, 0, 0, 0.6);
    box-shadow: 0 0 0 3px rgba(194, 191, 255, 0.2);
}
.section-dark .contact-tab-btn {
    background: var(--glass-bg);
    border-color: var(--glass-border);
    color: var(--muted);
}
.section-dark .contact-tab-btn.active {
    background: #ffffff;
    color: #050508;
    border-color: #ffffff;
}

/* spec-table / fov-list */
.section-dark .spec-table th { color: var(--sub); }
.section-dark .spec-table td { color: var(--text); }
.section-dark .spec-fov-list span:first-child { color: var(--sub); }
.section-dark .spec-fov-list span:last-child { color: var(--text); }

/* 縦コピー */
.section-dark .vertical-copy {
    color: var(--text);
    border-color: var(--line-strong);
}

/* 中央のライン装飾 */
.section-dark .line {
    background: linear-gradient(to bottom, transparent, rgba(255,255,255,.5), transparent);
}

/* 数字番号は薄い白に */
.section-dark .philo-num {
    color: #ffffff;
    opacity: 0.18;
}
.section-dark .feature-num-label::before {
    background: var(--accent);
}

/* 引用 */
.section-dark .article-body blockquote {
    background: rgba(194, 191, 255, 0.08);
    color: var(--text);
}
.section-dark .article-body strong {
    color: #ffffff;
}
.section-dark .article-body h2,
.section-dark .article-body h3 {
    color: var(--text);
}
.section-dark .article-body p,
.section-dark .article-body ul,
.section-dark .article-body ol {
    color: var(--muted);
}

/* ダーク内テキストリンクをアクセント色に */
.section-dark a:not(.btn-outline):not(.btn-solid):not(.view-btn):not(.back-btn):not(.primary-cta):not(.site-logo) {
    color: var(--accent);
}

/* ダーク版ヒーロー：右側の光のかすかな抜けを左テキストエリアへ繋げる */
.section-dark.hero-section .hero-bg-image {
    background:
        linear-gradient(to right, #050508 0%, rgba(5,5,8,0.6) 40%, rgba(5,5,8,0.15) 80%, transparent 100%),
        url("/assets/hero_top.png") center / cover no-repeat;
}
@media (max-width: 850px){
    /* モバイル: 縦長専用画像 hero_top_mobile.png を使用 (941x1672、ポートレート)
       cover でほぼ等比でフィット → 横方向の極端なクロップが発生しない */
    .section-dark.hero-section .hero-bg-image {
        background:
            /* 下部の暗部 (テキスト保護) */
            linear-gradient(to top,
                #050508 0%,
                #050508 22%,
                rgba(5,5,8,0.78) 38%,
                rgba(5,5,8,0.50) 52%,
                rgba(5,5,8,0.25) 68%,
                rgba(5,5,8,0.08) 85%,
                transparent 100%),
            /* 縦長ループ画像 */
            url("/assets/hero_top_mobile.png?v=20260530u") center / cover no-repeat,
            #050508;
    }
}

/* =========================================
   EARLY ACCESS 30 （ティーザー & 専用ページ）
   サイト基調（白×紫アクセント）に統一
   ========================================= */

/* ---- 4.0xページ用 ティーザー（1枠に統合） ---- */
.ea-teaser{
    display: block;
    width: 100%;
    max-width: 820px;
    margin: 56px auto 0;
    padding: 36px 40px 32px;
    background: linear-gradient(180deg, #ffffff 0%, var(--bg-soft) 100%);
    border: 1px solid rgba(86, 81, 184, 0.22);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text);
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(86, 81, 184, 0.06);
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}

.ea-teaser::before{
    content: "";
    position: absolute;
    top: -80px; right: -80px;
    width: 260px; height: 260px;
    background: radial-gradient(circle, rgba(184, 85, 129, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

.ea-teaser::after{
    content: "";
    position: absolute;
    bottom: -100px; left: -80px;
    width: 280px; height: 280px;
    background: radial-gradient(circle, rgba(86, 81, 184, 0.06) 0%, transparent 60%);
    pointer-events: none;
}

.ea-teaser > *{
    position: relative;
}

.ea-teaser:hover{
    transform: translateY(-2px);
    box-shadow: 0 14px 36px rgba(86, 81, 184, 0.12);
    border-color: rgba(86, 81, 184, 0.45);
}

.ea-teaser .ea-teaser-status{
    position: absolute;
    top: 14px;
    right: 14px;
    z-index: 2;
    display: inline-block;
    padding: 5px 12px;
    background: var(--accent);
    color: #fff;
    font-family: "Inter","Helvetica Neue",sans-serif;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.22em;
    border-radius: 14px;
    box-shadow: 0 2px 10px rgba(86, 81, 184, 0.25);
}

.ea-teaser .ea-eyebrow{
    display: inline-block;
    padding: 5px 14px;
    border: 1px solid rgba(86, 81, 184, 0.4);
    color: var(--accent);
    font-family: "Inter","Helvetica Neue",sans-serif;
    font-size: 0.7rem;
    letter-spacing: 0.26em;
    font-weight: 600;
    border-radius: 999px;
    background: rgba(86, 81, 184, 0.04);
}

.ea-teaser h2{
    margin: 18px 0 6px;
    font-size: clamp(1.4rem, 3vw, 1.85rem);
    letter-spacing: 0.06em;
    line-height: 1.3;
    font-weight: 500;
    background: linear-gradient(45deg, #5651b8, #1a1a2e, #b85581);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.ea-teaser-sub{
    margin: 0 0 18px;
    color: var(--muted);
    font-size: 0.92rem;
    letter-spacing: 0.08em;
}

.ea-teaser-lead{
    margin: 0 auto 22px;
    max-width: 600px;
    color: var(--muted);
    font-size: 0.92rem;
    line-height: 2;
}

.ea-teaser-lead s{
    color: var(--sub);
    opacity: 0.7;
}

.ea-teaser-lead strong{
    color: var(--text);
    font-weight: 600;
}

.ea-teaser-price{
    color: var(--accent) !important;
    font-size: 1.15em;
    letter-spacing: 0.02em;
}

.ea-teaser-cta{
    display: inline-block;
    padding: 11px 28px;
    border: 1px solid rgba(86, 81, 184, 0.5);
    border-radius: 999px;
    color: var(--accent);
    font-size: 0.85rem;
    letter-spacing: 0.12em;
    background: var(--bg);
    transition: background .25s ease, color .25s ease;
}

.ea-teaser:hover .ea-teaser-cta{
    background: var(--accent);
    color: var(--bg);
}

/* ---- 専用ページ /early-access/ ---- */
.ea-page{
    width: 100%;
    max-width: 880px;
    margin: 0 auto;
    padding: 60px 5% 80px;
    text-align: left;
    color: var(--text);
}

.ea-page-hero{
    text-align: center;
    margin-bottom: 56px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--line);
}

.ea-page-hero .ea-eyebrow{
    display: inline-block;
    padding: 5px 16px;
    border: 1px solid rgba(86, 81, 184, 0.4);
    color: var(--accent);
    font-family: "Inter","Helvetica Neue",sans-serif;
    font-size: 0.72rem;
    letter-spacing: 0.28em;
    font-weight: 600;
    border-radius: 999px;
    margin-bottom: 22px;
    background: rgba(86, 81, 184, 0.04);
}

.ea-page-hero h1{
    margin: 0;
    font-size: clamp(1.8rem, 4.5vw, 2.8rem);
    letter-spacing: 0.08em;
    line-height: 1.3;
    font-weight: 400;
    background: linear-gradient(45deg, #5651b8, #1a1a2e, #b85581);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.ea-page-hero .ea-page-sub{
    margin: 14px 0 0;
    color: var(--muted);
    font-size: clamp(0.92rem, 1.8vw, 1.05rem);
    letter-spacing: 0.1em;
}

.ea-section{
    margin-bottom: 48px;
}

.ea-section-label{
    margin: 0 0 16px;
    font-size: 0.72rem;
    letter-spacing: 0.26em;
    color: var(--accent);
    text-transform: uppercase;
    font-weight: 600;
}

.ea-section p{
    margin: 0 0 12px;
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 1.95;
}

.ea-section p strong{
    color: var(--text);
    font-weight: 600;
}

.ea-section p:last-child{
    margin-bottom: 0;
}

/* 特典カード */
.ea-perks{
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}

.ea-perk{
    padding: 22px 20px;
    background: var(--bg-soft);
    border: 1px solid var(--line);
    border-radius: 8px;
}

.ea-perk-num{
    color: var(--accent);
    font-family: "Inter","Helvetica Neue",sans-serif;
    font-size: 0.78rem;
    letter-spacing: 0.18em;
    font-weight: 600;
    margin-bottom: 8px;
}

.ea-perk h3{
    margin: 0 0 8px;
    font-size: 0.98rem;
    color: var(--text);
    letter-spacing: 0.04em;
    font-weight: 600;
    line-height: 1.5;
}

.ea-perk p{
    margin: 0;
    color: var(--muted);
    font-size: 0.85rem;
    line-height: 1.85;
}

.ea-perk code{
    display: inline-block;
    margin-top: 8px;
    padding: 3px 8px;
    background: rgba(86, 81, 184, 0.06);
    border: 1px solid rgba(86, 81, 184, 0.22);
    border-radius: 4px;
    color: var(--accent);
    font-family: "Inter","Helvetica Neue",sans-serif;
    font-size: 0.78rem;
    letter-spacing: 0.04em;
}

/* 価格表 */
.ea-table{
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
}

.ea-table th,
.ea-table td{
    padding: 13px 16px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: middle;
}

.ea-table th{
    width: 40%;
    color: var(--sub);
    font-weight: normal;
    letter-spacing: 0.04em;
}

.ea-table td{
    color: var(--text);
    font-weight: 500;
}

.ea-table td.highlight{
    color: var(--accent);
    font-size: 1.08rem;
    font-weight: 600;
}

.ea-table tr:last-child th,
.ea-table tr:last-child td{
    border-bottom: none;
}

/* プラン比較 */
.ea-plan-table{
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    margin-top: 12px;
}

.ea-plan-table thead th{
    padding: 11px 14px;
    color: var(--accent);
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    text-align: left;
    border-bottom: 1px solid var(--line-strong);
    font-weight: 600;
}

.ea-plan-table tbody td{
    padding: 14px 14px;
    border-bottom: 1px solid var(--line);
    color: var(--muted);
}

.ea-plan-table tbody td:first-child{
    color: var(--text);
    font-weight: 600;
    width: 38%;
}

.ea-plan-table tbody td:nth-child(2){
    width: 20%;
    color: var(--accent);
    font-weight: 600;
}

.ea-plan-table tbody tr:last-child td{
    border-bottom: none;
}

/* コールアウト */
.ea-callout{
    padding: 18px 22px;
    background: rgba(86, 81, 184, 0.04);
    border-left: 3px solid var(--accent);
    border-radius: 4px;
    color: var(--muted);
    font-size: 0.92rem;
    line-height: 1.95;
}

.ea-callout strong{
    color: var(--text);
}

/* 注意書き */
.ea-notes{
    margin-top: 36px;
    padding: 22px 24px;
    background: var(--bg-soft);
    border: 1px solid var(--line);
    border-radius: 6px;
    color: var(--sub);
    font-size: 0.8rem;
    line-height: 1.85;
}

.ea-notes ul{
    list-style: disc;
    padding-left: 20px;
    margin: 0;
}

.ea-notes ul li{
    margin-bottom: 4px;
}

.ea-notes a{
    color: var(--accent);
}

/* CTA */
.ea-cta{
    margin-top: 44px;
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    justify-content: center;
}

.ea-btn-primary,
.ea-btn-secondary{
    display: inline-block;
    padding: 14px 36px;
    border-radius: 4px;
    font-size: 0.9rem;
    letter-spacing: 0.14em;
    text-decoration: none;
    transition: all .25s ease;
    font-weight: 500;
}

.ea-btn-primary{
    background: var(--accent);
    color: var(--bg);
    border: 1px solid var(--accent);
}

.ea-btn-primary:hover{
    transform: translateY(-1px);
    box-shadow: 0 10px 26px rgba(86, 81, 184, 0.25);
}

/* ロック状態：受付準備中 */
.ea-btn-primary.locked{
    cursor: not-allowed;
    opacity: 0.55;
    pointer-events: none;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding-top: 10px;
    padding-bottom: 10px;
    background: var(--accent);
    color: var(--bg);
    border: 1px solid var(--accent);
    user-select: none;
}
.ea-btn-primary.locked:hover{
    transform: none;
    box-shadow: none;
}
.ea-btn-primary .ea-btn-status{
    font-size: 0.66rem;
    letter-spacing: 0.32em;
    opacity: 0.85;
    text-indent: 0.32em;
}

.ea-btn-secondary{
    background: transparent;
    color: var(--accent);
    border: 1px solid rgba(86, 81, 184, 0.45);
}

.ea-btn-secondary:hover{
    background: rgba(86, 81, 184, 0.06);
    border-color: var(--accent);
}

.ea-back-link{
    display: inline-block;
    margin-bottom: 28px;
    color: var(--sub);
    font-size: 0.82rem;
    letter-spacing: 0.08em;
    text-decoration: none;
    transition: color .2s ease;
}

.ea-back-link:hover{
    color: var(--accent);
}

@media (max-width: 700px){
    .ea-page{
        padding: 40px 5% 60px;
    }
    .ea-teaser{
        padding: 28px 22px;
    }
    .ea-teaser .ea-teaser-status{
        top: 10px;
        right: 10px;
        font-size: 0.58rem;
        padding: 4px 10px;
        letter-spacing: 0.18em;
    }
    .ea-perks{
        grid-template-columns: 1fr;
    }
    .ea-table th,
    .ea-table td{
        padding: 11px 12px;
        font-size: 0.86rem;
    }
    .ea-plan-table tbody td{
        padding: 12px 10px;
    }
    .ea-cta{
        flex-direction: column;
        align-items: stretch;
    }
    .ea-btn-primary,
    .ea-btn-secondary{
        text-align: center;
    }
}

/* =========================================
   WARRANTY PLANS (製品ページの保証プラン一覧)
   ========================================= */
.warranty-wrap{
    width: 100%;
    max-width: 1080px;
    margin: 120px auto 0;
    text-align: left;
}

.warranty-wrap .section-eyebrow{
    display: block;
    text-align: center;
    font-family: "Inter","Helvetica Neue","Segoe UI",sans-serif;
    font-size: 0.72rem;
    letter-spacing: 0.42em;
    color: var(--sub);
    font-weight: 500;
    text-transform: uppercase;
    margin-bottom: 18px;
}

.warranty-wrap h2{
    text-align: center;
    font-size: clamp(1.5rem, 2.6vw, 2rem);
    letter-spacing: 0.14em;
    font-weight: normal;
    margin: 0 0 96px;
    line-height: 1.55;
}

.warranty-wrap h2 .th-part{
    display: inline-block;
    white-space: nowrap;
}

.warranty-wrap h3{
    font-family:"Yu Mincho","YuMincho","Hiragino Mincho ProN","游明朝","Times New Roman",serif;
    margin: 72px 0 22px;
    font-size: clamp(1.1rem, 2vw, 1.25rem);
    letter-spacing: 0.12em;
    font-weight: normal;
    color: var(--text);
    text-align: center;
}

.warranty-lead{
    max-width: 640px;
    margin: 0 auto 80px;
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 2.15;
    text-align: center;
    word-break: auto-phrase;
    line-break: strict;
}

.warranty-lead p{
    margin: 0 0 18px;
}

.warranty-lead p:last-of-type{
    margin-bottom: 0;
}

.warranty-lead .lead-note{
    display: block;
    margin-top: 28px;
    font-size: 0.82rem;
    color: var(--sub);
    line-height: 1.9;
}

/* プラン3枚カード */
.plan-cards{
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin: 40px 0 8px;
}

.plan-card{
    border: 1px solid var(--line);
    background: var(--bg-soft);
    border-radius: 10px;
    padding: 44px 36px 40px;
    display: flex;
    flex-direction: column;
    gap: 22px;
    position: relative;
}

.plan-card.featured{
    border-color: rgba(86, 81, 184, 0.35);
    background: rgba(86, 81, 184, 0.035);
    box-shadow: 0 10px 32px rgba(86, 81, 184, 0.07);
}

.plan-card.recommended{
    border-color: rgba(86, 81, 184, 0.55);
    background: linear-gradient(180deg, rgba(86, 81, 184, 0.06), rgba(184, 85, 129, 0.025));
    box-shadow: 0 18px 48px rgba(86, 81, 184, 0.14);
    transform: translateY(-3px);
}

.plan-card .recommend-badge{
    position: absolute;
    top: -13px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(90deg, #5651b8, #b85581);
    color: #fff;
    padding: 7px 22px;
    border-radius: 999px;
    font-size: 0.7rem;
    letter-spacing: 0.28em;
    font-weight: 600;
    white-space: nowrap;
    box-shadow: 0 8px 22px rgba(86, 81, 184, 0.32);
}

.plan-hint{
    max-width: 760px;
    margin: 18px auto 0;
    padding: 14px 18px;
    background: rgba(86, 81, 184, 0.04);
    border-left: 3px solid var(--accent);
    border-radius: 4px;
    color: var(--muted);
    font-size: 0.88rem;
    line-height: 1.85;
    text-align: left;
}

.plan-hint strong{
    color: var(--accent);
    font-weight: 600;
}

.plan-card .plan-name{
    font-size: 1.2rem;
    letter-spacing: 0.1em;
    color: var(--text);
    font-weight: 600;
    line-height: 1.4;
}

.plan-card .plan-tag{
    display: inline-block;
    font-family: "Inter","Helvetica Neue","Segoe UI",sans-serif;
    font-size: 0.68rem;
    letter-spacing: 0.32em;
    color: var(--sub);
    margin-bottom: 0;
    text-transform: uppercase;
    font-weight: 500;
}

.plan-card .plan-price{
    font-size: 1.5rem;
    letter-spacing: 0.04em;
    color: var(--text);
    line-height: 1.35;
    font-weight: 300;
    padding-top: 6px;
    border-top: 1px solid var(--line);
}

.plan-card .plan-price small{
    display: block;
    font-size: 0.72rem;
    color: var(--sub);
    margin-top: 6px;
    letter-spacing: 0.06em;
    font-weight: 400;
}

.plan-card ul{
    list-style: none;
    padding: 0;
    margin: 4px 0 0;
    font-size: 0.88rem;
    line-height: 1.95;
    color: var(--muted);
}

.plan-card ul li{
    padding: 8px 0;
    border-bottom: none;
    position: relative;
    padding-left: 14px;
}

.plan-card ul li::before{
    content: "";
    position: absolute;
    left: 0;
    top: 16px;
    width: 5px;
    height: 1px;
    background: var(--sub);
    opacity: 0.6;
}

.plan-card ul li:last-child{
    border-bottom: none;
}

/* 比較表 */
.warranty-table-wrap{
    width: 100%;
    overflow-x: auto;
    margin: 28px 0 8px;
    -webkit-overflow-scrolling: touch;
}

.warranty-table{
    width: 100%;
    min-width: 720px;
    border-collapse: collapse;
    font-size: 0.9rem;
    line-height: 1.75;
}

.warranty-table th,
.warranty-table td{
    padding: 18px 22px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: middle;
}

.warranty-table thead th{
    color: var(--sub);
    font-family: "Inter","Helvetica Neue","Segoe UI",sans-serif;
    font-weight: 500;
    font-size: 0.72rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    text-align: center;
    border-bottom: 1px solid var(--line-strong);
    background: transparent;
    padding-top: 14px;
    padding-bottom: 14px;
}

.warranty-table thead th:first-child{
    text-align: left;
}

.warranty-table tbody th{
    color: var(--text);
    font-weight: 500;
    width: 38%;
    background: transparent;
    letter-spacing: 0.04em;
}

.warranty-table td{
    color: var(--text);
    text-align: center;
    font-feature-settings: "palt" 1;
}

.warranty-table td.muted{
    color: var(--sub);
}

.warranty-table .col-featured{
    background: rgba(86, 81, 184, 0.035);
}

.warranty-table .col-competitor{
    background: rgba(0, 0, 0, 0.018);
    color: var(--sub);
    font-size: 0.88em;
    line-height: 1.55;
}

.warranty-table thead th.col-competitor{
    color: var(--sub);
    background: rgba(0, 0, 0, 0.025);
    font-style: normal;
}

.warranty-table thead th.col-competitor .th-sub{
    display: block;
    margin-top: 4px;
    font-size: 0.78em;
    color: var(--sub);
    font-weight: 400;
    letter-spacing: 0.08em;
    text-transform: none;
    font-family: "Yu Mincho","YuMincho","Hiragino Mincho ProN","游明朝",serif;
}

.warranty-table tbody td.col-competitor strong{
    color: var(--text);
    font-weight: 600;
}

.warranty-table tbody th{
    width: 24%;
}

/* 5列構成の比較表は wide */
.warranty-table-compare{
    min-width: 920px;
}
.warranty-table-compare th,
.warranty-table-compare td{
    padding: 14px 14px;
    font-size: 0.86rem;
}
.warranty-table-compare thead th{
    padding: 12px 10px;
    font-size: 0.68rem;
}

/* 本体価格（参考）行 — 修理価格行から視覚的に区切る */
.warranty-table-compare .row-loupe-price th,
.warranty-table-compare .row-loupe-price td{
    background: rgba(86, 81, 184, 0.05);
    padding-top: 18px;
    padding-bottom: 18px;
    border-bottom: 2px solid rgba(86, 81, 184, 0.25);
    text-align: center;
    vertical-align: middle;
}
.warranty-table-compare .row-loupe-price th{
    text-align: left;
    background: rgba(86, 81, 184, 0.025);
}
.warranty-table-compare .row-loupe-price td.col-competitor{
    background: rgba(0, 0, 0, 0.04);
}

.warranty-table tbody tr:last-child th,
.warranty-table tbody tr:last-child td{
    border-bottom: none;
}

/* プラン詳細ブロック */
.plan-detail-block{
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 28px 28px;
    margin-bottom: 18px;
    background: var(--bg);
}

.plan-detail-block .plan-detail-head{
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 14px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--line);
}

.plan-detail-block .plan-detail-name{
    font-size: 1.2rem;
    letter-spacing: 0.08em;
    color: var(--text);
    font-weight: bold;
}

.plan-detail-block .plan-detail-price{
    font-size: 1.1rem;
    color: var(--accent);
    letter-spacing: 0.04em;
}

.plan-detail-block p{
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 1.95;
    margin: 8px 0;
}

/* =========================================
   WARRANTY POLICY PAGE （保証規約ページ）
   ========================================= */
.warranty-policy{
    width: 100%;
    max-width: 880px;
    margin: 48px auto 0;
    text-align: left;
}

.policy-section{
    padding: 36px 0;
    border-bottom: 1px solid var(--line);
}

.policy-section:last-of-type{
    border-bottom: none;
}

.policy-section h2{
    font-family:"Yu Mincho","YuMincho","Hiragino Mincho ProN","游明朝","Times New Roman",serif;
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin: 0 0 20px;
    font-size: clamp(1.15rem, 2.2vw, 1.4rem);
    letter-spacing: 0.06em;
    color: var(--text);
    font-weight: 600;
}

.policy-section h2 .num{
    color: var(--accent);
    font-family: "Inter","Helvetica Neue",sans-serif;
    font-weight: 600;
    font-size: 0.85em;
    letter-spacing: 0.04em;
    flex-shrink: 0;
}

.policy-section h3{
    font-family:"Yu Mincho","YuMincho","Hiragino Mincho ProN","游明朝","Times New Roman",serif;
    margin: 24px 0 10px;
    font-size: 0.98rem;
    color: var(--text);
    letter-spacing: 0.06em;
    font-weight: 600;
}

.policy-section p{
    margin: 0 0 12px;
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 2;
}

.policy-section p:last-child{
    margin-bottom: 0;
}

.policy-section a{
    color: var(--accent);
    text-decoration: underline;
}

.policy-list{
    list-style: disc;
    padding-left: 22px;
    margin: 0 0 12px;
    color: var(--muted);
    font-size: 0.92rem;
    line-height: 1.9;
}

.policy-list li{
    margin-bottom: 4px;
}

.policy-list-muted li{
    color: var(--sub);
}

.policy-callout{
    margin: 28px auto;
    padding: 32px 36px;
    max-width: 880px;
    background: rgba(86, 81, 184, 0.025);
    border-left: 2px solid var(--accent);
    border-radius: 0 6px 6px 0;
}

.policy-callout strong:first-child{
    display: block;
    margin-bottom: 14px;
    color: var(--accent);
    font-family: "Inter","Helvetica Neue","Segoe UI",sans-serif;
    font-size: 0.72rem;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    font-weight: 600;
}

.policy-callout p{
    margin: 6px 0;
    font-size: 0.92rem;
    line-height: 2;
    color: var(--muted);
}

.policy-flow{
    counter-reset: flow-counter;
    list-style: none;
    padding: 0;
    margin: 18px 0 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 8px 18px;
}

.policy-flow li{
    counter-increment: flow-counter;
    position: relative;
    padding: 8px 0 8px 36px;
    color: var(--muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

.policy-flow li::before{
    content: counter(flow-counter, decimal-leading-zero);
    position: absolute;
    left: 0;
    top: 8px;
    color: var(--accent);
    font-family: "Inter","Helvetica Neue",sans-serif;
    font-weight: 600;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
}

@media (max-width: 850px){
    .warranty-policy{
        margin-top: 32px;
    }
    .policy-section{
        padding: 28px 0;
    }
}

/* 保証対象外（チップ風リスト） */
.warranty-exclude-list{
    list-style: none;
    padding: 0;
    margin: 8px 0 0;
    display: flex;
    flex-wrap: wrap;
    gap: 8px 10px;
}

.warranty-exclude-list li{
    padding: 8px 14px;
    background: rgba(0, 0, 0, 0.03);
    border: 1px solid var(--line);
    border-radius: 999px;
    font-size: 0.85rem;
    color: var(--sub);
    letter-spacing: 0.02em;
    line-height: 1.4;
}

/* 保証規約ページへの導線CTA */
.warranty-cta{
    margin: 60px auto 0;
    max-width: 640px;
    padding: 36px 28px;
    text-align: center;
    border: none;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    background: transparent;
}

.warranty-cta p{
    margin: 0 0 20px;
    color: var(--muted);
    font-size: 0.9rem;
    line-height: 1.95;
}

.warranty-cta .btn-outline{
    display: inline-block;
}

/* 注意書き */
.warranty-notes{
    width: 100%;
    max-width: 880px;
    margin: 36px auto 0;
    padding: 0 8px;
    background: transparent;
    border-left: none;
    border-radius: 0;
    color: var(--sub);
    font-size: 0.83rem;
    line-height: 2.05;
}

.warranty-notes ul{
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.warranty-notes ul li{
    margin-bottom: 8px;
    padding-left: 18px;
    position: relative;
}

.warranty-notes ul li::before{
    content: "—";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--sub);
    opacity: 0.5;
}

@media (max-width: 850px){
    .plan-cards{
        grid-template-columns: 1fr;
        gap: 22px;
    }
    .plan-card.recommended{
        transform: none;
    }
    .warranty-table th,
    .warranty-table td{
        padding: 10px 10px;
        font-size: 0.85rem;
    }
    .plan-detail-block{
        padding: 22px 18px;
    }
}

/* ============================================================
   4.0x 製品画像スライダー（カーソルでスライド可能）
   ============================================================ */
/* 製品セクション全体を白背景にして、ページ全体にかかる薄い色み
   (body::before のグラデーション)を覆い、写真の白となじませる */
.product-4x-section{
    background: #ffffff;
    position: relative;
    z-index: 1;
}
.product-slider{
    width: min(460px, 88vw);
    margin: 0 auto 40px;
}
.product-slider .product-detail-image{
    width: 100%;
    height: auto;
    aspect-ratio: 1 / 1;
    margin: 0 auto;
    padding: 0;
    display: block;
    overflow: hidden;       /* スライド外を確実にクリップ */
    /* 白背景になじませるため、枠線・影・色付き背景を除去 */
    background: #fff;
    border: none;
    box-shadow: none;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    border-radius: 0;
}
.product-slider .slider-track{
    display: flex;
    width: 100%;
    height: 100%;
    transition: transform .45s cubic-bezier(.22,.61,.36,1);
    cursor: grab;
    touch-action: pan-y;
    will-change: transform;
}
.product-slider .slider-track.is-dragging{
    transition: none;
    cursor: grabbing;
}
.product-slider .slide{
    flex: 0 0 100%;
    width: 100%;
    height: 100%;
}
.product-slider .slide img{
    width: 100%;
    height: 100%;
    object-fit: contain;   /* 見切れさせず全体を表示 */
    padding: 7%;           /* 製品が円の縁に触れないよう余白 */
    display: block;
    user-select: none;
    -webkit-user-drag: none;
    pointer-events: none;
}
/* 前後の矢印（円の左右中央＝クリップされない位置） */
.product-slider .slider-arrow{
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid var(--line-strong);
    background: rgba(255,255,255,0.82);
    backdrop-filter: blur(6px);
    color: var(--text);
    font-size: 1.35rem;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 3;
    padding: 0;
    transition: background .2s ease, transform .2s ease;
    -webkit-tap-highlight-color: transparent;
}
.product-slider .slider-arrow:hover{
    background: #fff;
}
.product-slider .slider-arrow.prev{ left: 10px; }
.product-slider .slider-arrow.next{ right: 10px; }
/* ドット（円の外・下部） */
.product-slider .slider-dots{
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 9px;
    margin-top: 18px;
}
.product-slider .slider-dots button{
    width: 8px;
    height: 8px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: var(--line-strong);
    cursor: pointer;
    transition: background .2s ease, transform .2s ease;
}
.product-slider .slider-dots button.active{
    background: var(--accent);
    transform: scale(1.3);
}
@media (max-width: 850px){
    .product-slider .slider-arrow{ width: 34px; height: 34px; font-size: 1.2rem; }
}