@charset "UTF-8";
        /* =========================================
1. CSS Variables (色・フォントの定義)
           ========================================= */
        :root {
            --color-main: #9C8BA7;
            /* くすみむらさき */
            --color-base: #F7F4F6;
            /* ミルクホワイト */
            --color-greige: #E3DCD7;
            /* グレージュ */
            --color-lightgray: #C7C5C8;
            /* ライトグレー */
            --color-accent: #D8A7B4;
            /* ダスティローズ */
            --color-text: #5A5A5A;
            /* 文字色 */
            --color-white: #ffffff;

            --font-heading: "Zen Maru Gothic", sans-serif;
            --font-body: "Shippori Mincho", serif;

            --container-width: 1200px;
            --header-height: 80px;
        }

        /* =========================================
           2. Base Styles (基本設定)
           ========================================= */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            color: var(--color-text);
            background-color: var(--color-base);
            line-height: 1.8;
            letter-spacing: 0.05em;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            line-height: 1.4;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }

        ul {
            list-style: none;
        }

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

        /* =========================================
           3. Layout Utilities (レイアウト用)
           ========================================= */
        .container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: 100px 0;
        }

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

        .text-main {
            color: var(--color-main);
        }

        .text-accent {
            color: var(--color-accent);
        }

        .section-title-area {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-subtitle {
            display: block;
            color: var(--color-accent);
            font-family: var(--font-heading);
            font-size: 14px;
            font-weight: bold;
            letter-spacing: 0.1em;
            margin-bottom: 8px;
            text-transform: uppercase;
        }

        .section-title {
            font-size: 32px;
            color: var(--color-main);
        }

        /* アニメーション定義 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }

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

        .fade-in-up {
            animation: fadeInUp 1s ease-out forwards;
            opacity: 0;
        }

        /* =========================================
           4. Header
           ========================================= */
        .header {
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            background-color: rgba(247, 244, 246, 0.9);
            backdrop-filter: blur(5px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.5);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
        }

        .logo {
            font-family: var(--font-heading);
            font-size: 20px;
            font-weight: bold;
            color: var(--color-main);
            letter-spacing: 0.1em;
        }

        .nav-list {
            display: flex;
            gap: 32px;
        }

        .nav-link {
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.05em;
        }

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

        .btn-contact-nav {
            background-color: var(--color-main);
            color: var(--color-white);
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 14px;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        }

        .btn-contact-nav:hover {
            opacity: 0.9;
            transform: translateY(-1px);
        }

        /* Mobile Menu Button (Hidden on Desktop) */
        .mobile-menu-btn {
            display: none;
            font-size: 24px;
            color: var(--color-main);
            background: none;
            border: none;
            cursor: pointer;
        }

        /* =========================================
           5. Hero Area
           ========================================= */
        .hero {
            padding-top: calc(var(--header-height) + 60px);
            padding-bottom: 80px;
            overflow: hidden;
            position: relative;
        }

        .hero-inner {
            display: flex;
            align-items: center;
            gap: 48px;
        }

        .hero-text {
            flex: 1;
            z-index: 10;
        }

        .hero-copy-sub {
            color: var(--color-main);
            font-family: var(--font-heading);
            margin-bottom: 16px;
            letter-spacing: 0.1em;
        }

        .hero-copy-main {
            font-size: 42px;
            color: #4a4a4a;
            margin-bottom: 32px;
            line-height: 1.3;
        }

        .hero-description {
            margin-bottom: 32px;
            color: #666;
            font-size: 16px;
        }

        .btn-hero {
            display: inline-block;
            background-color: var(--color-main);
            color: var(--color-white);
            padding: 14px 32px;
            border-radius: 6px;
            font-family: var(--font-heading);
            letter-spacing: 0.05em;
            box-shadow: 0 4px 10px rgba(156, 139, 167, 0.3);
        }

        .btn-hero:hover {
            opacity: 0.9;
            transform: translateY(-2px);
        }

        .hero-image {
            flex: 1;
            position: relative;
        }

        .hero-visual-placeholder {
            aspect-ratio: 4 / 3;
            background: linear-gradient(135deg, #F7F4F6 0%, #E3DCD7 100%);
            border-top-right-radius: 100px;
            border-bottom-left-radius: 50px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .hero-label {
            background: rgba(255, 255, 255, 0.8);
            padding: 8px 24px;
            border-radius: 50px;
            color: var(--color-main);
            font-family: var(--font-heading);
            z-index: 2;
        }

        /* Hero Background Decorations */
        .hero-bg-blob-1 {
            position: absolute;
            top: 50px;
            right: 0;
            width: 400px;
            height: 400px;
            background-color: rgba(156, 139, 167, 0.05);
            border-radius: 50%;
            filter: blur(60px);
            z-index: -1;
        }

        /* =========================================
           6. About Section
           ========================================= */
        .about {
            background-color: var(--color-white);
        }

        .about-inner {
            display: flex;
            align-items: center;
            gap: 64px;
        }

        .about-image {
            flex: 5;
            position: relative;
        }

        .about-text {
            flex: 7;
        }

        .about-photo-placeholder {
            aspect-ratio: 3 / 4;
            background-color: var(--color-greige);
            border-top-left-radius: 80px;
            border-bottom-right-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-white);
            font-family: var(--font-heading);
            letter-spacing: 0.1em;
            position: relative;
            z-index: 1;
        }

        .about-photo-border {
            position: absolute;
            top: 20px;
            left: 20px;
            width: 100%;
            height: 100%;
            border: 1px solid rgba(156, 139, 167, 0.3);
            border-top-left-radius: 80px;
            border-bottom-right-radius: 20px;
            z-index: 0;
        }

        .about-heading {
            font-size: 28px;
            color: var(--color-main);
            margin-bottom: 32px;
        }

        .about-heading span {
            display: block;
            font-size: 18px;
            color: #888;
            margin-top: 8px;
            font-weight: normal;
        }

        .about-list {
            margin: 20px 0;
        }

        .about-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 8px;
        }

        .about-list i {
            color: var(--color-main);
            font-size: 20px;
        }

        /* =========================================
           7. Policy (Concept) Section
           ========================================= */
        .policy {
            background-color: var(--color-base);
        }

        .policy-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

        .policy-card {
            background: var(--color-white);
            padding: 32px;
            border-radius: 16px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
            transition: transform 0.3s;
        }

        .policy-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.05);
        }

        .policy-card.border-main {
            border-top: 4px solid var(--color-main);
        }

        .policy-card.border-accent {
            border-top: 4px solid var(--color-accent);
        }

        .policy-card.border-greige {
            border-top: 4px solid var(--color-greige);
        }

        .policy-header {
            display: flex;
            align-items: baseline;
            gap: 12px;
            margin-bottom: 16px;
        }

        .policy-number {
            font-family: var(--font-heading);
            font-size: 36px;
            font-weight: bold;
            opacity: 0.3;
        }

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

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

        .text-greige {
            color: var(--color-greige);
        }

        .policy-title {
            font-size: 18px;
            color: #4a4a4a;
        }

        .policy-desc {
            font-size: 14px;
            color: #666;
            line-height: 1.8;
        }

        /* =========================================
           8. Service Section
           ========================================= */
        .service {
            background-color: var(--color-white);
            position: relative;
            overflow: hidden;
        }

        .service-bg-deco {
            position: absolute;
            top: 100px;
            right: -50px;
            width: 300px;
            height: 300px;
            background-color: rgba(156, 139, 167, 0.05);
            border-radius: 50%;
            filter: blur(50px);
        }

        .service-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .service-card {
            background-color: var(--color-base);
            padding: 32px 24px;
            border-radius: 12px;
            text-align: center;
            transition: all 0.3s;
        }

        .service-card:hover {
            background-color: var(--color-white);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            transform: translateY(-5px);
        }

        .service-icon {
            width: 64px;
            height: 64px;
            background-color: var(--color-white);
            color: var(--color-main);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin: 0 auto 24px;
            transition: all 0.3s;
        }

        .service-card:hover .service-icon {
            background-color: var(--color-main);
            color: var(--color-white);
        }

        .service-title {
            font-size: 18px;
            color: #4a4a4a;
            margin-bottom: 12px;
        }

        .service-text {
            font-size: 14px;
            color: #666;
        }

        /* =========================================
           9. Flow Section
           ========================================= */
        .flow {
            background: linear-gradient(135deg, #F7F4F6 0%, #E3DCD7 100%);
        }

        .flow-container {
            max-width: 800px;
            margin: 0 auto;
            position: relative;
        }

        .flow-line {
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 2px;
            background-color: var(--color-white);
            transform: translateX(-50%);
            z-index: 0;
        }

        .flow-item {
            display: flex;
            align-items: center;
            margin-bottom: 60px;
            position: relative;
            z-index: 1;
        }

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

        .flow-content {
            width: 50%;
            padding: 0 48px;
        }

        .flow-left {
            text-align: right;
        }

        .flow-right {
            text-align: left;
        }

        .flow-spacer {
            width: 50%;
        }

        .flow-number {
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            width: 48px;
            height: 48px;
            background-color: var(--color-white);
            color: var(--color-main);
            border: 4px solid var(--color-base);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-family: var(--font-heading);
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
        }

        .flow-number.active {
            background-color: var(--color-main);
            color: var(--color-white);
        }

        .flow-title {
            font-size: 18px;
            font-weight: bold;
            color: #4a4a4a;
        }

        .flow-text {
            font-size: 14px;
            color: #666;
            margin-top: 8px;
        }

        /* =========================================
           10. Works Section
           ========================================= */
        .works {
            background-color: var(--color-white);
        }

        .works-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 48px;
        }

        .work-item {
            cursor: pointer;
        }

        .work-thumbnail {
            aspect-ratio: 3 / 4;
            background-color: rgba(227, 220, 215, 0.3);
            /* Greige transparent */
            border-radius: 8px;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-lightgray);
            font-family: var(--font-heading);
            letter-spacing: 0.1em;
            transition: background-color 0.3s;
        }

        .work-item:hover .work-thumbnail {
            background-color: rgba(156, 139, 167, 0.1);
        }

        .work-name {
            text-align: center;
            font-size: 14px;
            color: #666;
            font-family: var(--font-heading);
        }

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

        /* =========================================
           11. Contact Section
           ========================================= */
        .contact {
            background-color: var(--color-main);
            color: var(--color-white);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .contact-deco {
            position: absolute;
            width: 300px;
            height: 300px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            filter: blur(60px);
        }

        .deco-1 {
            top: -100px;
            right: -50px;
        }

        .deco-2 {
            bottom: -100px;
            left: -50px;
            background: rgba(216, 167, 180, 0.2);
        }

        .contact-heading {
            font-size: 36px;
            margin-bottom: 24px;
            position: relative;
            z-index: 10;
        }

        .contact-text {
            margin-bottom: 40px;
            opacity: 0.9;
            position: relative;
            z-index: 10;
        }

        .contact-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            position: relative;
            z-index: 10;
        }

        .btn-contact {
            padding: 16px 40px;
            border-radius: 50px;
            font-weight: bold;
            font-family: var(--font-heading);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .btn-white {
            background-color: var(--color-white);
            color: var(--color-main);
        }

        .btn-accent {
            background-color: var(--color-accent);
            color: var(--color-white);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .btn-contact:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }

        /* =========================================
           12. Footer
           ========================================= */
        .footer {
            background-color: var(--color-white);
            padding: 32px 0;
            border-top: 1px solid #f0f0f0;
        }

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

        .footer-logo {
            color: var(--color-main);
            font-family: var(--font-heading);
            font-weight: bold;
        }

        .copyright {
            font-size: 12px;
            color: #ccc;
        }

        /* =========================================
           Responsive Design (SP対応)
           ========================================= */
        @media (max-width: 768px) {
            :root {
                --header-height: 60px;
            }

            .container {
                padding: 0 20px;
            }

            .section {
                padding: 60px 0;
            }

            /* Header */
            .nav-list {
                display: none;
            }

            /* ハンバーガーメニュー未実装のため非表示 */
            .mobile-menu-btn {
                display: block;
            }

            /* Hero */
            .hero-inner {
                flex-direction: column;
                gap: 40px;
            }

            .hero-copy-main {
                font-size: 28px;
            }

            /* About */
            .about-inner {
                flex-direction: column;
                gap: 40px;
            }

            .about-image {
                order: 1;
                width: 100%;
            }

            .about-text {
                order: 2;
                width: 100%;
            }

            /* Grid Layouts */
            .policy-grid,
            .service-grid,
            .works-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

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

            /* SPでは1列 */
            .works-grid {
                grid-template-columns: 1fr;
            }

            /* Flow */
            .flow-line {
                left: 24px;
                transform: none;
            }

            .flow-item {
                margin-bottom: 40px;
            }

            .flow-content {
                width: 100%;
                padding-left: 64px;
                padding-right: 0;
            }

            .flow-spacer {
                display: none;
            }

            .flow-left {
                text-align: left;
            }

            .flow-number {
                left: 0;
                transform: none;
            }

            /* Contact */
            .contact-buttons {
                flex-direction: column;
                width: 100%;
            }

            .btn-contact {
                width: 100%;
                justify-content: center;
            }

            /* Footer */
            .footer-inner {
                flex-direction: column;
                gap: 16px;
            }
        }

        .img-cover {
            width: 100%;
            height: 100%;
            object-fit: cover;
            /* 比率を保って隙間なく埋める */
            border-radius: inherit;
            /* 親要素の角丸を引き継ぐ */
            display: block;
        }

        @media (max-width: 960px) {

            /* PC用メニューを消して、モバイルボタンを表示 */
            .nav-list {
                display: none;
            }

            .mobile-menu-btn {
                display: block;
            }

            /* 2列グリッドを1列にする（WORKSなど） */
            .policy-grid,
            .service-grid,
            .works-grid {
                grid-template-columns: 1fr;
                /* 1列 */
            }
        }

        /* ▼ 制作実績（WORKS）の画像だけ、全体が見えるようにする設定 */
        .work-thumbnail .img-cover {
            object-fit: contain;
            /* 画像を切り取らず、枠内に全体を収める */
            background-color: transparent;
            /* 必要なら背景色を調整 */
        }

        /* ▼▼▼ ここからコピーして追加 ▼▼▼ */

        /* モバイルメニューの背景（普段は隠す設定） */
        .mobile-nav-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background-color: rgba(247, 244, 246, 0.98);
            z-index: 1001;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;

            /* 隠すための重要な設定 */
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }

        /* メニューが開いた時の設定 */
        .mobile-nav-overlay.active {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
        }

        /* モバイルメニュー内のリンク文字 */
        .mobile-nav-link {
            font-family: "Zen Maru Gothic", sans-serif;
            font-size: 24px;
            font-weight: bold;
            color: #5A5A5A;
        }

        /* PC画面（幅961px以上）では強制的に隠す */
        @media (min-width: 961px) {
            .mobile-nav-overlay {
                display: none !important;
            }
        }