:root {
            --bg-white: #ffffff;
            --bg-beige: #f5f2ed;
            --accent-color: #4a5d4e; 
            --border-color: rgba(0,0,0,0.05);
            --side-width: 82px;
            --header-height: 80px;
            /* 修正点：スライドのオーバーレイの濃さ（0.0?1.0で調整可能） */
            --hero-overlay-opacity: 0.1;
            --link-beige: #8e8883;
           /* Service 2 の背景色（こちらで変更可能） */
            --service-card-bg-custom: #2d4a22; 
            --primary-green: #4a5d4e;
        }

        /* 全体：クリック時の青い枠（アウトライン）を消去 */
        *:focus {
            outline: none !important;
            box-shadow: none !important;
        }
        button:focus, a:focus {
            outline: none !important;
        }

        /* リンクやボタンのタップハイライト（モバイル）を無効化 */
        a, button, div, span, svg {
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: 'Noto Sans JP', sans-serif;
            background-color: var(--bg-beige);
            margin: 0;
            overflow-x: hidden;
        }
        .sec-title {
            font-size: 1.5rem;
            font-weight: 200;
        }

        .card-color {
            color: #c9c0b1;            
        }

        /* --- オープニングアニメーション --- */
        #loader {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            /*background-color: var(--bg-beige);*/
            background-color: #ffffff;
            z-index: 9999;
            display: flex;
            justify-content: center;
            align-items: center;
            transition: transform 1.2s cubic-bezier(0.85, 0, 0.15, 1);
            user-select: none;
            padding: 20px;
        }

        #loader.loaded {
            transform: translateY(-100%); 
        }

        .loader-phrase {
            display: flex;
            flex-direction: row; 
            font-size: 2.2rem;
            font-weight: 200;
            color: #222;
            letter-spacing: 0.5em; 
            text-align: center;
            line-height: 1.6;
        }

				/* ロゴ画像のふわっと浮き出るアニメーション */
        .loader-logo-img {
            max-width: 450px; /* デフォルトサイズ */
            height: auto;
            opacity: 0;
            transform: translateY(20px);
            filter: blur(8px);
            animation: logoFadeIn 1.8s cubic-bezier(0.215, 0.61, 0.355, 1) forwards;
            animation-delay: 0.3s;
        }

        @keyframes logoFadeIn {
            0% { opacity: 0; transform: translateY(20px); filter: blur(8px); }
            100% { opacity: 1; transform: translateY(0); filter: blur(0); }
        }

        /* スマホ用：文字サイズ調整と折り返し許可 */
        @media (max-width: 768px) {
            .loader-phrase {
                font-size: 1.2rem; /* スマホで収まるサイズに縮小 */
                letter-spacing: 0.3em;
                flex-wrap: wrap;
                justify-content: center;
                max-width: 280px;
            }

				    .loader-logo-img {
            max-width: 280px; /* デフォルトサイズ */
            height: auto;
            opacity: 0;
            transform: translateY(20px);
            filter: blur(8px);
            animation: logoFadeIn 1.8s cubic-bezier(0.215, 0.61, 0.355, 1) forwards;
            animation-delay: 0.3s;
        }

        }

        .loader-phrase span {
            display: inline-block;
            opacity: 0;
            transform: translateY(15px);
            filter: blur(5px);
            animation: charFadeIn 1.2s ease-out forwards;
        }

        @keyframes charFadeIn {
            0% { opacity: 0; transform: translateY(15px); filter: blur(5px); }
            100% { opacity: 1; transform: translateY(0); filter: blur(0); }
        }

        body.menu-open {
            overflow: hidden;
        }

        .fixed-frame {
            position: fixed;
            z-index: 1100;
            background-color: var(--bg-beige);
        }

        .mobile-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--header-height);
            display: none; 
            align-items: center;
            justify-content: space-between;
            padding: 0 25px;
            z-index: 1300;
            background-color: var(--bg-beige);
            border-bottom: 1px solid var(--border-color);
        }

        .site-logo {
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            color: #333;
            transition: opacity 0.3s ease;
            position: relative;
            z-index: 1301;
            user-select: none;
            outline: none !important;
        }
        .site-logo:hover {
            opacity: 0.7;
        }

        .logo-icon-svg {
            width: 42px;
            height: 42px;
            color: #444;
            display: block;
            pointer-events: none;
        }

        /* 修正点：中央寄せのための調整 */
        .header-nav {
            top: 0;
            left: 0;
            right: var(--side-width); 
            height: var(--header-height);
            display: flex;
            align-items: center;
            justify-content: center; /* コンテナ自体を中央寄せに */
            padding-left: 0; /* 左寄せのパディングを解除 */
            border-bottom: 1px solid var(--border-color);
            z-index: 1000;
            user-select: none;
        }

        /* --- 左サイドバー --- */
        .left-bar { 
            top: 0; 
            bottom: 0; 
            left: 0; 
            width: var(--side-width); 
            display: flex; 
            flex-direction: column; 
            justify-content: flex-start; 
            align-items: center; 
            border-right: 1px solid var(--border-color);
            user-select: none;
        }

        .desktop-logo-container {
            height: var(--header-height);
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            border-bottom: 1px solid var(--border-color);
            flex-shrink: 0;
            background-color: var(--bg-beige);
        }

        .corporate-text-vertical {
            writing-mode: vertical-rl;
            font-size: 0.75rem;
            letter-spacing: 0.5em;
            color: #444;
            font-weight: 500;
            margin-top: 120px; 
        }

        .left-bar .sns-icons-bottom {
            margin-top: auto;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 24px;
            padding-bottom: 40px;
        }
        
        /* --- 右サイドバー --- */
        .right-bar { 
            top: 0; 
            bottom: 0; 
            right: 0; 
            width: var(--side-width); 
            display: flex; 
            flex-direction: column; 
            align-items: center; 
            border-left: 1px solid var(--border-color); 
            padding-top: 0; 
            user-select: none;
        }

        .vertical-text-container {
            margin-top: calc(var(--header-height) + 60px); 
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .vertical-text { 
            writing-mode: vertical-rl; letter-spacing: 0.4em; font-size: 0.7rem; 
            margin-bottom: 40px; color: #444; text-decoration: none; transition: 0.4s;
            outline: none !important;
        }
        .vertical-text:hover { color: var(--accent-color); transform: translateY(-5px); }

        /* --- Back to Top Button --- */
        .btn-totop-container {
            position: fixed;
            bottom: 30px;
            right: 18px; 
            width: 44px;
            height: 44px;
            z-index: 2000;
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
            transition: all 0.6s cubic-bezier(0.19, 1, 0.22, 1);
            display: flex;
            justify-content: center;
            align-items: center;
        }
        
        .btn-totop-container.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .btn-totop {
            width: 100%;
            height: 100%;
            border: 2px solid #ccc; 
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.4s ease;
            color: #666; 
            background: transparent; 
            box-shadow: none !important;
            padding: 0;
            outline: none !important;
        }
        .btn-totop:hover {
            border-color: var(--accent-color);
            color: var(--accent-color);
            transform: translateY(-5px);
        }
        .btn-totop i {
            font-size: 0.9rem;
            font-weight: 900;
        }

        @media (max-width: 1024px) {
            .btn-totop-container {
                right: 20px;
                bottom: 20px;
            }
            .btn-totop {
                width: 48px;
                height: 48px;
                border: 2px solid #ccc;
                background: transparent; 
            }
        }

        .nav-item-has-mega { position: static; }
        .mega-menu {
            position: absolute;
            top: var(--header-height);
            left: var(--side-width);
            width: calc(100% - var(--side-width) * 2);
            background-color: var(--bg-beige);
            border-bottom: 1px solid var(--border-color);
            border-left: 1px solid var(--border-color);
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: all 0.4s ease;
            z-index: 999;
            padding: 40px;
            max-height: 80vh;
            overflow-y: auto;
        }
        .nav-item-has-mega:hover .mega-menu { opacity: 1; visibility: visible; transform: translateY(0); }

        .mega-img-wrapper { width: 100%; aspect-ratio: 16 / 10; overflow: hidden; margin-bottom: 12px; }
        .mega-img-wrapper img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s ease; }
        .mega-item:hover img { transform: scale(1.05); }

        /* --- スライドショー部分 --- */
        .hero-section {
            position: relative;
            height: 100vh;
            margin-left: var(--side-width);
            margin-right: var(--side-width);
            margin-top: var(--header-height);
            overflow: hidden;
            background: #000;
            user-select: none;
        }

        .slide {
            position: absolute;
            top: 0; left: 0; width: 100%; height: 100%;
            opacity: 0;
            transition: opacity 2s ease-in-out;
            z-index: 1;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .slide.active { opacity: 1; z-index: 3; }
        
        .slide-bg {
            position: absolute;
            top: 0; left: 0; width: 100%; height: 100%;
            background-size: cover;
            background-position: center center;
            z-index: 1;
        }

        /* 修正点：スライド画像にブラックフィルターを掛ける */
        .slide-bg::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, var(--hero-overlay-opacity));
            z-index: 2;
        }

        /* 修正点：スライド画像にブラックフィルターを掛ける */
        .slide.active::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, var(--hero-overlay-opacity));
            z-index: 2;
        }

        .slide.active .slide-bg { animation: zoom-animation 20s linear forwards; }
        
        @keyframes zoom-animation { from { transform: scale(1.0); } to { transform: scale(1.1); } }

        .slide video {
            position: absolute;
            top: 50%;
            left: 50%;
            width: 100%;
            height: 100%;
            transform: translate(-50%, -50%);
            object-fit: cover;
        }

        .hero-content {
            position: relative;
            z-index: 10; color: #fff; text-align: center; width: 100%;
            max-width: 900px;
            margin: 0 auto;
            filter: drop-shadow(0 4px 10px rgba(0,0,0,0.4));
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.5s ease, transform 0.8s ease;
            pointer-events: none;
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .slide.active .hero-content {
            opacity: 1;
            transform: translateY(0);
            transition: opacity 1.5s ease 1s, transform 1.5s ease 1s;
            pointer-events: auto;
        }

        @media (max-width: 768px) {
            .hero-content {
                padding: 0 20px;
            }
            .hero-title {
                font-size: 1.5rem !important;
                line-height: 1.6 !important;
            }
        }

        .nav-link-custom {
            font-size: 0.85rem; letter-spacing: 0.1em; color: #333; text-decoration: none;
            margin: 0 15px; font-weight: 400; cursor: pointer; transition: 0.3s;
            position: relative; padding: 10px 0;
            outline: none !important;
        }
        .nav-link-custom::after { content: ""; position: absolute; bottom: 5px; left: 0; width: 0; height: 1px; background: var(--accent-color); transition: 0.3s; }
        .nav-link-custom:hover::after { width: 100%; }

        .section-title {
            font-family: 'Noto Sans JP', sans-serif;
            font-weight: 300; letter-spacing: 0.2em;
            position: relative; display: inline-block; padding-bottom: 1.5rem;
        }
        .section-title::after { content: ""; position: absolute; bottom: 0; left: 0; width: 40px; height: 1px; background: var(--accent-color); }

        /* --- Hamburger Menu Fixed --- */
        #menu-toggle { 
            position: relative; 
            width: 32px; 
            height: 24px; 
            cursor: pointer; 
            z-index: 1301; 
            background: none;
            border: none;
            padding: 0;
            outline: none !important;
            appearance: none;
            -webkit-appearance: none;
        }
        .hamburger-container {
            position: relative;
            width: 100%;
            height: 100%;
            pointer-events: none;
        }
        .hamburger-line { 
            position: absolute; 
            left: 0; 
            width: 100%; 
            height: 1px; 
            background-color: #333; 
            transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1); 
            transform-origin: center; /* 中央を基準に変形 */
        }
        .hamburger-line:nth-child(1) { top: 0; }
        .hamburger-line:nth-child(2) { top: 11px; } /* 正確な中央値 */
        .hamburger-line:nth-child(3) { bottom: 0; }

        /* Open State Transitions */
        .menu-open #menu-toggle .hamburger-line:nth-child(1) { top: 11px; transform: rotate(45deg); }
        .menu-open #menu-toggle .hamburger-line:nth-child(2) { opacity: 0; transform: scaleX(0); }
        .menu-open #menu-toggle .hamburger-line:nth-child(3) { bottom: 12px; transform: rotate(-45deg); }

        /* --- Mobile Overlay (The Core Fix) --- */
        .mobile-menu-overlay {
            position: fixed; top: 0; left: 0; width: 100%; height: 100dvh;
            background-color: var(--bg-beige); z-index: 1200; 
            padding: calc(var(--header-height) + 20px) 20px 40px;
            opacity: 0; visibility: hidden; transition: 0.4s ease;
            overflow-y: auto;
        }
        .mobile-menu-overlay.open { opacity: 1; visibility: visible; }


/* サムネイル付きメニューグリッド */
        .mobile-nav-grid { 
            display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; width: 100%; 
        }

        .menu-thumb-item {
            text-decoration: none; color: #333; display: flex; flex-direction: column; gap: 8px;
        }
        .menu-thumb-img {
            aspect-ratio: 4/3; width: 100%; object-fit: cover; border-radius: 4px;
            background-color: #ddd;
        }
        .menu-thumb-label { font-size: 0.8rem; font-weight: 500; letter-spacing: 0.05em; text-align: center; }




        /* 施工事例のアコーディオン */
        .works-accordion-wrapper { 
            grid-column: span 1; /* ここを2から1に変更 */
					}

        .works-trigger-box {
            position: relative;
            display: flex;
            flex-direction: column;
            gap: 8px;
            cursor: pointer;
        }

        /* 画像内の矢印アイコン */
        .works-chevron-mini {
            position: absolute;
            right: 8px;
            top: 8px;
            background: rgba(255,255,255,0.9);
            width: 20px;
            height: 20px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.5rem;
            color: #333;
            transition: transform 0.3s ease;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }

        /* サブメニュー（展開時は全幅に広がるよう調整） */
        .mobile-sub-menu-content {
            max-height: 0; overflow: hidden; transition: max-height 0.5s ease;
            background: rgba(0,0,0,0.015); border-radius: 4px;
            /* グリッド外に影響させないための設定 */
            position: relative;
        }

        /* 親要素を全幅にするためのコンテナ */
        .sub-menu-container {
            grid-column: span 2;
        }
        
        /* 展開時のスタイル */
        .works-accordion-wrapper.active ~ .sub-menu-container .mobile-sub-menu-content { 
            max-height: 1200px; 
            margin-top: 10px;
            margin-bottom: 10px;
        }
        .works-accordion-wrapper.active .works-chevron-mini { transform: rotate(180deg); }

        .sub-link-list { list-style: none; padding: 10px 0; margin: 0; }
        .sub-link-item {
            display: flex; justify-content: space-between; align-items: center;
            padding: 14px 20px; border-bottom: 1px solid rgba(0,0,0,0.03);
            text-decoration: none; color: #555; font-size: 0.85rem;
        }
        .sub-link-item:last-child { border-bottom: none; }
        .sub-link-item span.en { font-size: 0.65rem; color: #aaa; letter-spacing: 0.1em; }



        /* PCサイドバー・ナビ (維持) */
        .fixed-frame { position: fixed; z-index: 1100; background-color: var(--bg-beige); }
        .left-bar { top: 0; bottom: 0; left: 0; width: var(--side-width); border-right: 1px solid var(--border-color); display: flex; flex-direction: column; align-items: center; }
        .right-bar { top: 0; bottom: 0; right: 0; width: var(--side-width); border-left: 1px solid var(--border-color); display: flex; flex-direction: column; align-items: center; }
        .header-nav { top: 0; left: var(--side-width); right: var(--side-width); height: var(--header-height); border-bottom: 1px solid var(--border-color); display: flex; align-items: center; padding: 0 40px; }

        @media (max-width: 1024px) {
            .header-nav, .left-bar, .right-bar { display: none; }
            .mobile-header { display: flex; }
        }

        /* セクション・プレースホルダ */
        .section-padding { padding: 100px 0; }
        .hero { height: 80vh; background: #eee; display: flex; align-items: center; justify-content: center; margin-top: var(--header-height); }








        .scroll-content {
            margin-left: var(--side-width);
            margin-right: var(--side-width);
            background: #fff;
            position: relative;
            z-index: 10;
        }

        .service-intro-container { padding-top: 100px; padding-bottom: 100px; }
        .service-intro-title-v { writing-mode: vertical-rl; font-size: 2.25rem; letter-spacing: 0.3em; font-weight: 300; color: #333; line-height: 1; margin: 0; user-select: none; }
        .service-intro-text { font-size: 1rem; line-height: 2.2; color: #666; margin-bottom: 3rem; }
        .img-layout-main { width: 100%; height: auto; aspect-ratio: 10 / 12; object-fit: cover; }
        .img-layout-sub-inline { width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; box-shadow: 20px 20px 0px var(--bg-beige); }

        @media (max-width: 1024px) {
            :root { --side-width: 0px; --header-height: 70px; }
            .header-nav, .left-bar, .right-bar { display: none; }
            .mobile-header { display: flex; }
            .hero-section, .scroll-content { margin-left: 0; margin-right: 0; }
            .mega-menu { left: 0; width: 100%; border-left: none; }
						.service-intro-title-v { writing-mode: vertical-rl; font-size: 1.8rem; letter-spacing: 0.3em; font-weight: 300; color: #333; line-height: 1; margin: 0; user-select: none; }

        }

        .news-item { border-bottom: 1px solid #eee; padding: 24px 0; display: flex; align-items: center; gap: 30px; text-decoration: none; color: inherit; transition: 0.3s; outline: none !important; }
        .news-item:hover { opacity: 0.6; }
        .news-date { font-size: 0.75rem; color: #999; letter-spacing: 0.1em; min-width: 100px; user-select: none; }
        .news-title { font-size: 0.9rem; color: #333; font-weight: 400; }
        .company-info-row { border-bottom: 1px solid #f0f0f0; padding: 25px 0; display: flex; }
        .company-info-label { width: 140px; font-size: 0.75rem; color: #999; letter-spacing: 0.1em; flex-shrink: 0; user-select: none; }
        .company-info-value { font-size: 0.85rem; color: #333; line-height: 1.8; }

        @media (max-width: 767px) {
            .news-item { flex-direction: column; align-items: flex-start; gap: 8px; }
            .company-info-row { flex-direction: column; gap: 5px; }
            .service-intro-title-v { writing-mode: horizontal-tb; margin-bottom: 2rem; }
            .img-layout-sub-inline { width: 100%; box-shadow: none; }
        }

        .reveal {
            opacity: 0;
            transform: translateY(40px);
            transition: opacity 1.2s cubic-bezier(0.215, 0.61, 0.355, 1), transform 1.2s cubic-bezier(0.215, 0.61, 0.355, 1);
            will-change: opacity, transform;
        }

        .reveal.active {
            opacity: 1;
            transform: translateY(0);
        }
        .delay-200 { transition-delay: 0.2s; }
        .delay-400 { transition-delay: 0.4s; }
        .delay-600 { transition-delay: 0.6s; }


        .showcase-slider-section {
            padding: 50px 0;
            background-color: #fff;
            overflow: hidden;
            position: relative;
        }
        .slider-outer-container {
            position: relative;
            width: 100%;
            max-width: 1400px;
            margin: 0 auto;
        }
        .slider-wrapper {
            display: flex;
            align-items: center;
            will-change: transform;
        }
        .slider-item {
            flex: 0 0 800px;
            margin: 0 40px;
            opacity: 0.3;
            transform: scale(0.85);
            transition: all 0.8s cubic-bezier(0.23, 1, 0.32, 1);
            position: relative;
            border-radius: 4px;
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
        }
        .slider-item.active {
            opacity: 1;
            transform: scale(1);
        }
        .slider-item img {
            width: 100%;
            height: 450px;
            object-fit: cover;
            display: block;
        }
        .slider-nav {
            position: absolute;
            top: 50%;
            width: 100%;
            transform: translateY(-50%);
            display: flex;
            justify-content: space-between;
            padding: 0 5%;
            z-index: 20;
            pointer-events: none;
        }
        .nav-btn {
            width: 60px;
            height: 60px;
            border: 1px solid rgba(0,0,0,0.1);
            background: rgba(255,255,255,0.8);
            backdrop-filter: blur(5px);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            border-radius: 50%;
            transition: all 0.3s ease;
            pointer-events: auto;
            color: #333;
        }
        .nav-btn:hover {
            background: var(--accent-color);
            color: #fff;
            border-color: var(--accent-color);
        }

        /* Parallax Section */
        .parallax-bg {
            background-attachment: fixed;
            background-position: center;
            background-repeat: no-repeat;
            background-size: cover;
        }

        /* Service Card Background Styles - Refined Minimal Design */
        .service-card {
            background-size: cover;
            background-position: center;
            position: relative;
            z-index: 1;
            transition: all 0.5s ease;
            overflow: hidden;
            border: none; /* 境界線をなくしてよりモダンに */
        }
        
        .service-card::before {
            content: '';
            position: absolute;
            inset: 0;
            /* 常時表示：画像をはっきり見せるための薄い黒フィルター */
            background-color: rgba(0, 0, 0, 0.2); 
            z-index: -1;
            transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* カスタム背景色カード（Service 2 用） */
        .service-card.custom-bg {
            background-image: none !important;
            background-color: var(--service-card-bg-custom);
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
        }

        /* カスタム背景色カード（Service 2-2） */
        .service-card.custom-bg2 {
            background-image: none !important;
            background-color: #c9c0b1;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
        }

        /* カスタム背景色カード（Service 2-2） */
        .service-card.custom-bg3 {
            background-image: none !important;
            background-color: #6fa559;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
        }

        .service-card:hover::before {
            /* ホバー時：グリーンを廃止し、シンプルに少し暗くして画像をより鮮明に
            background-color: rgba(0, 0, 0, 0.5);  */
        }

        /* テキストとアイコンの視認性向上 */
        .service-card .service-icon,
        .service-card h3, 
        .service-card p {
            color: white !important;
            /*text-shadow: 0 1px 10px rgba(0,0,0,0.5);*/
            text-shadow: none;
            transition: transform 0.4s ease;
        }

        .service-card:hover .service-icon {
            transform: translateY(-5px);
        }

        /* ホバー時のシャドウを完全に無効化 */
        .service-card:hover {
            box-shadow: none !important;
            transform: none !important;
        }


        /* ビジュアルグリッド */
        .img-zoom-wrap { overflow: hidden; width: 100%; height: 100%; border-radius: 4px; }
        .img-zoom-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.5s ease; }
        .img-zoom-wrap:hover img { transform: scale(1.08); }

        @media (max-width: 1024px) {
            .slider-item { flex: 0 0 80%; margin: 0 10px; }
            .slider-item img { height: 350px; }
            .nav-btn { width: 45px; height: 45px; }
        }
        @media (max-width: 768px) {
            .slider-item { flex: 0 0 90%; }
            .slider-item img { height: 250px; }
            .showcase-slider-section { padding: 60px 0; }
        }

/* 下位ページCSS */
        /* --- コンテンツエリア --- */
        .main-wrapper {
            margin-left: var(--side-width);
            margin-right: var(--side-width);
            background: #fff;
            min-height: 100vh;
            padding-top: var(--header-height);
        }

        /* コンセプト ヒーロー */
        .concept-hero {
            height: 60vh;
            position: relative;
            overflow: hidden;
            background: #222;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .concept-hero img {
            position: absolute; width: 100%; height: 100%; object-fit: cover; opacity: 0.8;
        }
        .concept-hero-content {
            position: relative; z-index: 10; text-align: center; color: #fff;
            width: 100%; max-width: 800px; padding: 0 20px;
        }
        .concept-hero-title {
            margin-bottom: 1.5rem; display: flex; justify-content: center; align-items: center;
        }
        .concept-hero-title img {
            position: static;
            width: auto;
            height: 3.5rem; 
            object-fit: contain;
            opacity: 1;
        }
        .concept-hero-sub {
            font-size: 1.5rem; letter-spacing: 0.5em; font-weight: 300;
        }

        /* セクション共通 */
        .content-section { padding: 20px 0 20px 0; }
        .concept-lead-title {
            font-size: 2.1rem; font-weight: 300; line-height: 1.6; margin-bottom: 2rem; letter-spacing: 0.1em;
        }

        .concept-lead-title-h3 {
             font-size: 1.1rem; font-weight: 500; color: var(--accent-color); margin-bottom: 1rem;
        }

        .concept-lead-text {
            font-size: 1rem; line-height: 2.2; color: #666; max-width: 700px;
						padding-bottom: 20px;
						/*padding-right: 10px;*/
        }

        .content-section2 { padding: 0; }


				.top-text {
            padding: 0 20px 0 50px;
        }

        /* ビジュアルグリッド 共有*/
        .img-zoom-wrap { overflow: hidden; width: 100%; height: 100%; border-radius: 4px; }
        .img-zoom-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.5s ease; }
        .img-zoom-wrap:hover img { transform: scale(1.08); }

        .big-photo-grid { margin-top: 20px; }
        .photo-card-tall { height: 450px; }
        .photo-card-regular { height: 450px; }
        
        .photo-card-regular600 { 
					height: 550px;
					/*width: 500px;*/
				 }

        .concept-box {
            padding: 40px;
						border-left: 1px solid var(--accent-color);
						margin-top: 10px;
        }
        .concept-box h3 { font-size: 1.25rem; font-weight: 500; color: var(--accent-color); margin-bottom: 1rem; }
        .concept-box p { font-size: 1rem; line-height: 2.2; color: #555; }


        .concept-box2 {
            padding: 40px; border-left: 1px solid var(--accent-color); margin-top: 10px;
        }
        

        @media (max-width: 1024px) {
            :root { --side-width: 0px; --header-height: 70px; }
            .header-nav, .left-bar, .right-bar { display: none; }
            .mobile-header { display: flex; }
            .main-wrapper { margin-left: 0; margin-right: 0; }
            .concept-hero-title img { height: 3rem; }
        }
        @media (max-width: 768px) {
            .content-section { padding: 0; }
            .concept-lead-title { font-size: 1.6rem; }
            .photo-card-tall, .photo-card-regular { height: 350px; margin-bottom: 20px; }
            .concept-hero-title img { height: 2.2rem; }

						
        .concept-hero-sub {
            font-size: 1.3rem; letter-spacing: 0.5em; font-weight: 300;
        }

				.top-text {
            padding: 0 30px 0 30px;
        }

        }

				.btn-custom { 

				display: inline-block; 
				padding:14px 50px; 
				border: 1px solid #756c64; 

				color: white;
				background: #756c64; 
				text-decoration: none; font-size: 0.8rem;
				letter-spacing: 0.3em; transition: 0.5s;

				}

				.btn-custom:hover {
				color: #FFF;
				background: #92877d; 

				}

				.section-body { padding: 10px 30px; text-align: center; }

        /* ページネーション（paginathing用）のベージュ系カスタムデザイン */
        .pagination {
            display: flex;
            justify-content: center;
            list-style: none;
            padding: 0;
            margin: 30px 0 0 0;
            gap: 8px;
        }
        .pagination li a,
        .pagination li span {
            display: flex;
            align-items: center;
            justify-content: center;
            min-width: 36px;
            height: 36px;
            padding: 0 10px;
            background-color: #f7f5f0; /* 薄いベージュの背景 */
            color: #6b635b;          /* 文字色 */
            border: 1px solid #e6e0d4; /* 枠線 */
            border-radius: 4px;
            font-size: 13px;
            text-decoration: none;
            transition: all 0.2s ease;
        }
        .pagination li a:hover {
            background-color: #eee7d8; /* ホバー時のベージュ */
            color: #4a423b;
        }
        /* 現在のページのハイライト（ベージュ系） */
        .pagination li.navi-active a,
        .pagination li.active a,
        .pagination li span.navi-active {
            background-color: #b5a48d !important; /* しっかりした上品なベージュ */
            color: #ffffff !important;           /* 白文字 */
            border-color: #b5a48d !important;
            font-weight: bold;
        }