/* =========================================================================
         * Base Styles & Typography
         * ========================================================================= */

        /* .sp-only: show on SP (mobile), hide on PC (default) */
        .sp-only {
            display: none !important;
        }

        @media (max-width: 767px) {
            .sp-only {
                display: inline !important;
            }
        }

        :root {
            --color-primary: #4A90E2;
            /* Bright Blue */
            --color-secondary: #F5A623;
            /* CTA Orange */
            --color-text: #333;
            --color-light-gray: #f9f9f9;
            --color-dark-gray: #666;
            --header-height-base: 80px;
            --header-height-scrolled: 64px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: "Zen Maru Gothic", "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "游ゴシック体", "Yu Gothic", sans-serif;
            line-height: 1.7;
            color: var(--color-text);
            background-color: #fff;
            scroll-behavior: smooth;
        }

        /* Anchor Link Offset for Fixed Header */
        section::before {
            content: "";
            display: block;
            height: calc(var(--header-height-base) + 20px);
            /* 100px */
            margin-top: -100px;
            visibility: hidden;
            pointer-events: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        h2 {
            font-size: 2.2rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 40px;
            position: relative;
            padding-bottom: 15px;
        }

        h2::after {
            content: '';
            display: block;
            width: 50px;
            height: 4px;
            background-color: var(--color-primary);
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            border-radius: 2px;
        }

        @media (max-width: 768px) {
            h2 {
                font-size: 1.8rem;
                margin-bottom: 30px;
            }

            body {
                line-height: 1.6;
            }
        }

        /* =========================================================================
         * CTA Button Style
         * ========================================================================= */
        .cta-button {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 18px 32px;
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            background-color: var(--color-secondary);
            border: none;
            border-radius: 9999px;
            text-decoration: none;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s, background-color 0.3s;
            box-shadow: 0 8px 15px rgba(245, 166, 35, 0.4);
            letter-spacing: 0.05em;
        }

        .cta-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(245, 166, 35, 0.6);
            background-color: #d88f17;
        }

        .cta-button::after {
            content: ' →';
            margin-left: 8px;
            font-size: 1.2em;
        }

        /* =========================================================================
         * 1. Fixed Header
         * ========================================================================= */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            transition: all 0.3s ease-in-out;
            background-color: rgba(255, 255, 255, 0.95);
            padding: 20px 0;
            height: var(--header-height-base);
            box-shadow: none;
        }

        .header.scrolled {
            background-color: #fff;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
            padding: 10px 0;
            height: var(--header-height-scrolled);
        }

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

        .header-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-primary);
            text-decoration: none;
            letter-spacing: 0.05em;
            max-width: 280px;
        }

        .header-logo-img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        .header-nav ul {
            display: flex;
            list-style: none;
            align-items: center;
        }

        .header-nav a {
            color: var(--color-text);
            text-decoration: none;
            font-weight: 500;
            padding: 8px 15px;
            font-size: 0.9rem;
            transition: color 0.3s;
        }

        .header-nav a:hover {
            color: var(--color-primary);
        }

        .header-nav .nav-cta a {
            color: #fff;
            background-color: var(--color-secondary);
            border-radius: 50px;
            padding: 12px 24px;
            font-weight: 700;
            font-size: 1rem;
            box-shadow: 0 4px 10px rgba(245, 166, 35, 0.4);
            transition: all 0.3s ease;
            display: inline-block;
        }

        .header-nav .nav-cta a:hover {
            background-color: #d88f17;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 1;
        }

        /* ハンバーガーメニューボタン */
        .hamburger-menu {
            display: none;
            flex-direction: column;
            justify-content: space-around;
            width: 30px;
            height: 30px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 0;
            z-index: 1001;
        }

        .hamburger-menu span {
            width: 100%;
            height: 3px;
            background-color: var(--color-primary);
            border-radius: 3px;
            transition: all 0.3s ease;
        }

        .hamburger-menu.active span:nth-child(1) {
            transform: rotate(45deg) translate(8px, 8px);
        }

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

        .hamburger-menu.active span:nth-child(3) {
            transform: rotate(-45deg) translate(8px, -8px);
        }

        /* モバイル用ヘッダーナビゲーション */
        @media (max-width: 768px) {
            .hamburger-menu {
                display: flex;
            }

            .header-nav {
                position: fixed;
                top: var(--header-height-base);
                right: -100%;
                width: 100%;
                height: calc(100vh - var(--header-height-base));
                background-color: #fff;
                transition: right 0.3s ease;
                overflow-y: auto;
                z-index: 999;
            }

            .header-nav.active {
                right: 0;
            }

            .header-nav ul {
                flex-direction: column;
                align-items: flex-start;
                padding: 20px;
                gap: 0;
            }

            .header-nav li {
                width: 100%;
                border-bottom: 1px solid #eee;
            }

            .header-nav a {
                display: block;
                padding: 15px 20px;
                font-size: 1rem;
            }

            .header-nav .nav-cta {
                margin-top: 10px;
            }

            .header-nav .nav-cta a {
                width: 100%;
                text-align: center;
            }

            .header.menu-open {
                background-color: #fff;
            }
        }

        /* Hero Section Styles */
        .hero {
            position: relative;
            min-height: 100vh;
            overflow: hidden;
            padding: 0;
        }

        .hero-bg-slider {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 1;
        }

        .hero-bg-slider::after {
            content: '';
            position: absolute;
            top: 300;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(173, 216, 230, 0.2); /* 薄い水色(LightBlue)の半透明 */
            z-index: 2;
            pointer-events: none;
        }

        /* slick適用後のオーバーレイ */
        .hero-bg-slider.slick-slider::after {
            z-index: 10;
        }

        /* 初期状態（slick適用前）のスタイル - 最初のスライドを表示 */
        .hero-bg-slider:not(.slick-slider) .slide {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            min-height: 100vh;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            display: block;
            opacity: 0;
        }

        .hero-bg-slider:not(.slick-slider) .slide:first-child {
            opacity: 1 !important;
            z-index: 1;
        }

        /* Slick slider styles */
        .hero-bg-slider.slick-slider {
            height: 100vh;
        }

        .hero-bg-slider .slick-list {
            height: 100vh;
            z-index: 1;
        }

        .hero-bg-slider .slick-track {
            height: 100vh;
            z-index: 1;
        }

        .hero-bg-slider .slick-slide {
            height: 100vh;
            position: relative;
            z-index: 1;
        }

        .hero-bg-slider .slick-slide > div {
            height: 100vh;
            position: relative;
        }

        /* slick適用後の.slide要素のスタイル - より具体的なセレクタで確実に適用 */
        .hero-bg-slider.slick-slider .slick-slide .slide {
            width: 100% !important;
            height: 100vh !important;
            min-height: 100vh !important;
            background-size: cover !important;
            background-position: center !important;
            background-repeat: no-repeat !important;
            display: block !important;
            position: relative !important;
            z-index: 1;
            opacity: 1 !important;
        }

        /* すべての.slide要素に確実にcoverを適用 */
        .hero-bg-slider .slide {
            background-size: cover !important;
            background-position: center !important;
            background-repeat: no-repeat !important;
        }

        /* slick-slide内のdiv要素も高さを確保 */
        .hero-bg-slider.slick-slider .slick-slide > div {
            height: 100vh !important;
            min-height: 100vh !important;
            width: 100% !important;
        }

        .hero-content {
            position: ;
            bottom: 0;
            left: 50%;
            transform: translateX(0%);
            z-index: 10;
            width: 100%;
            max-width: 100%;
            padding: 40px 20px;
            color: #fff;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.6);
            background-color: rgba(74,144,226,0.8); 
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .hero-content-inner {
            max-width: 1200px;
            width: 100%;
            padding-top: 1em;
            padding-bottom: 1em;
        }

        .hero-catch {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
            margin-bottom: 10px;
            text-align: center;
        }

        .hero-subcatch {
            font-size: 1.5rem;
            font-weight: 700;
            color: #FFD700;
            margin-bottom: 0.5rem;
            letter-spacing: 0.05em;
        }

        .hero-lead {
            font-size: 1rem;
            margin-bottom: 1rem;
            color: #eee;
        }

        .hero-benefits {
            list-style: none;
            margin-bottom: 1rem;
            display: flex;
            gap: 2rem;
        }

        .hero-benefits li {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 12px;
            color: #fff;
            display: flex;
            align-items: top;
        }

        .hero-benefits li::before {
            content: '\2713';
            color: var(--color-secondary);
            font-size: 1.2em;
            margin-right: 10px;
        }

        .hero-actions {
            display: flex;
            gap: 20px;
            align-items: center;
            justify-content: center;
        }

        .hero-secondary-link {
            font-size: 1rem;
            color: #fff;
            font-weight: 600;
            text-decoration: underline;
            transition: opacity 0.3s;
        }

        .hero-secondary-link:hover {
            opacity: 0.8;
        }

        @media (max-width: 768px) {
            .hero {
                padding: 0;
                min-height: 100vh;
            }

            .hero-bg-slider .slide,
            .hero-bg-slider .slick-slide {
                height: 100vh;
            }

            .hero-content {
                bottom: 0;
                width: 100%;
                max-width: 100%;
                padding: 20px;
            }

            .hero-catch {
                font-size: 1.5rem;
                line-height: 1.3;
            }

            .hero-subcatch {
                font-size: 0.9rem;
            }

            .hero-lead {
                font-size: 0.9rem;
                line-height: 1.5;
            }

            .hero-benefits {
                gap: 0.8rem;
            }

            .hero-benefits li {
                font-size: 0.9rem;
            }

            .hero-actions {
                flex-direction: row;
                gap: 10px;
                justify-content: center;
            }

            .hero-actions .cta-button {
                font-size: 0.9rem;
                padding: 12px 20px;
                width: 12em;
                box-shadow: none;
            }

            .hero-secondary-link {
                font-size: 0.9rem;
            }

            .cta-button {
                width: 100%;
                padding: 15px 20px;
                font-size: 1rem;
            }

        /* キャンペーンバッジ（モーダル起動ボタン） */
        .campaign-badge-btn {
            background-color: #ff4757;
            color: #fff;
            padding: 10px 24px;
            border-radius: 50px;
            font-weight: 800;
            display: inline-block;
            margin-bottom: 20px;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(0,0,0,0.3);
            animation: pulse 2s infinite;
            border: 2px solid #fff;
            font-size: 1rem;
            transition: transform 0.2s ease;
        }
        .campaign-badge-btn:hover {
            transform: scale(1.05);
            background-color: #ff2e44;
        }
        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.03); }
            100% { transform: scale(1); }
        }

        /* キャンペーンモーダルのデザイン */
        .modal-overlay {
            position: fixed;
            top: 0; left: 0;
            width: 100%; height: 100%;
            background-color: rgba(0,0,0,0.85);
            display: none;
            justify-content: center;
            align-items: center;
            z-index: 3000;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .modal-overlay.active {
            display: flex;
            opacity: 1;
        }
        .modal-content {
            background: #fff;
            padding: 8px;
            border-radius: 12px;
            max-width: 90%;
            max-height: 85%;
            position: relative;
            box-shadow: 0 10px 40px rgba(0,0,0,0.6);
            transform: translateY(20px);
            transition: transform 0.4s ease;
        }
        .modal-overlay.active .modal-content {
            transform: translateY(0);
        }
        .modal-content img {
            max-width: 100%;
            max-height: 75vh;
            display: block;
            border-radius: 6px;
        }
        .modal-close {
            position: absolute;
            top: -45px;
            right: 0;
            color: #fff;
            font-size: 36px;
            cursor: pointer;
            font-weight: bold;
            line-height: 1;
        }
        .modal-close:hover { color: #ccc; }

        /* キャンペーンセクションの調整 */
        .feature-banner-section {
            padding: 60px 0;
            background: #fdfdfd;
            text-align: center;
        }
        .feature-banner-wrapper img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
        }

        /* 既存デザインへの補足（スマホフロート等） */
        .mobile-cta-float {
            position: fixed;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            width: 90%;
            background: var(--color-secondary);
            color: #fff;
            text-align: center;
            padding: 15px;
            border-radius: 10px;
            font-weight: 800;
            z-index: 900;
            text-decoration: none;
            box-shadow: 0 4px 15px rgba(0,0,0,0.2);
            display: none;
        }
        @media (max-width: 768px) {
            .mobile-cta-float { display: block; }
            .feature-banner-wrapper { padding: 0 20px; }
        }

        }

        /* =========================================================================
         * Common Section Styles
         * ========================================================================= */
        section {
            padding: 80px 0;
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.8s ease-out, transform 0.8s ease-out;
        }
        section#hero {
            opacity: 1;
            padding: 0;
            transform: translateY(0);
        }

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

        .section-gray {
            background-color: var(--color-light-gray);
        }

        /* =========================================================================
         * 3. 悩み共感セクション
         * ========================================================================= */
        .pain-points ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-bottom: 40px;
            max-width: 900px;
            margin-left: auto;
            margin-right: auto;
        }

        .pain-points li {
            background-color: #fff;
            padding: 15px 25px;
            border-radius: 8px;
            border: 1px solid #eee;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text);
            text-align: center;
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 80px;
        }

        /* （４）デザインを初期状態に戻し、文字サイズを少し大きく */
        .pain-solution {
            text-align: center;
            font-size: 1.4rem;
            /* 初期(1.2)より少し大きく、前回(1.6)より控えめに */
            font-weight: 600;
            /* 太字にしすぎない（初期値） */
            color: var(--color-primary);
            padding: 20px;
            border-top: 3px solid var(--color-secondary);
            /* 線の太さを初期(3px)に戻す */
            border-bottom: 3px solid var(--color-secondary);
            /* 線の太さを初期(3px)に戻す */
            display: block;
            max-width: 800px;
            /* 幅も初期値(800)に戻す */
            margin: 0 auto;
            line-height: 1.6;
            background-color: transparent;
            /* 背景色なし（初期状態） */
        }

        @media (max-width: 768px) {
            .pain-points ul {
                grid-template-columns: 1fr;
            }

            .pain-points li {
                min-height: 60px;
                padding: 12px 20px;
            }

            .pain-solution {
                font-size: 1.2rem;
                padding: 20px;
            }
        }

        /* =========================================================================
         * 4. 練習スタイル（復習・確認・予習）
         * ========================================================================= */

        .practice-cycle {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 15px;
            margin: 50px 0;
        }

        .cycle-item {
            flex: 1;
            background: #fff;
            padding: 35px 20px;
            border-radius: 50%;
            aspect-ratio: 1/1;
            display: flex;
            flex-direction: column;
            justify-content: center;
            text-align: center;
            border: 5px solid var(--color-primary);
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
        }
        .cycle-item:nth-child(3) { border-color: var(--color-secondary); }
        .cycle-item:nth-child(5) { border-color: var(--color-success); }

        .cycle-title { font-size: 1.6rem; font-weight: 800; margin-bottom: 5px; color: var(--color-text); }
        .cycle-desc { font-size: 0.85rem; color: var(--color-dark-gray); line-height: 1.4; }
        .cycle-arrow { font-size: 2.5rem; color: #ccc; font-weight: bold; }

        .learning-box {
            background: rgba(74, 144, 226, 0.08);
            padding: 40px;
            border-radius: 20px;
            text-align: center;
        }
        .learning-list {
            display: flex;
            justify-content: center;
            gap: 20px;
            list-style: none;
            margin: 25px 0;
            flex-wrap: wrap;
        }
        .learning-list li {
            background: #fff;
            padding: 12px 25px;
            border-radius: 10px;
            font-weight: 700;
            box-shadow: 0 3px 10px rgba(0,0,0,0.05);
        }

        @media (max-width: 768px) {
            .practice-cycle { flex-direction: column; }
            .cycle-arrow { transform: rotate(90deg); margin: -10px 0; }
            .cycle-item { width: 220px; aspect-ratio: 1/1; }
        }

        /* =========================================================================
         * 4. 教室の強み
         * ========================================================================= */
        /* （１）5個の要素を中央寄せにするためFlexboxに変更 */
        .features-grid {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            /* 中央寄せ */
            gap: 30px;
        }

        .feature-card {
            background-color: #fff;
            padding: 30px;
            border-radius: 12px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
            text-align: center;
            transition: all 0.3s;
            /* Flexboxでの幅指定: 3カラムっぽく見せつつ、縮小可能に */
            flex: 0 1 340px;
            /* 幅が340px以下になったら折り返す */
        }

        .feature-card-icon {
            width: 60px;
            height: 60px;
            margin: 0 auto 20px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            background-color: var(--color-primary);
            box-shadow: 0 5px 10px rgba(74, 144, 226, 0.3);
        }

        .feature-card:nth-child(even) .feature-card-icon {
            background-color: var(--color-secondary);
            box-shadow: 0 5px 10px rgba(245, 166, 35, 0.3);
        }

        .feature-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 15px;
            color: var(--color-primary);
        }

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

        .feature-card {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.8s ease-out, transform 0.8s ease-out;
        }

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


        /* =========================================================================
         * 5. クラス紹介セクション
         * ========================================================================= */
        /* （２）4つのクラスを2x2レイアウトに変更 */
        .class-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            /* 強制2列 */
            gap: 30px;
            margin-bottom: 40px;
            max-width: 900px;
            /* 広がりすぎないよう制限 */
            margin-left: auto;
            margin-right: auto;
        }

        @media (max-width: 768px) {

            /* モバイルでは1列に戻す */
            .class-grid {
                grid-template-columns: 1fr;
            }
        }

        .class-card {
            background-color: #fff;
            border: 2px solid var(--color-primary);
            border-radius: 12px;
            padding: 25px;
            transition: box-shadow 0.3s;
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .class-card:hover {
            box-shadow: 0 10px 25px rgba(74, 144, 226, 0.2);
        }

        .class-name {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 10px;
            line-height: 1.2;
        }

        .class-target {
            display: inline-block;
            background-color: var(--color-secondary);
            color: #fff;
            padding: 4px 12px;
            border-radius: 4px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 15px;
            align-self: flex-start;
            /* 左寄せ */
        }

        .class-description {
            font-size: 0.95rem;
            color: var(--color-dark-gray);
        }

        .class-link {
            text-align: center;
            margin-top: 50px;
        }

        .class-link a {
            color: var(--color-primary);
            font-weight: 600;
            text-decoration: none;
            border-bottom: 2px solid var(--color-primary);
            padding-bottom: 2px;
            transition: opacity 0.3s;
        }

        .class-link a:hover {
            opacity: 0.7;
        }

        /* =========================================================================
         * 6. 会員様の声
         * ========================================================================= */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .testimonial-card {
            background: #fff;
            padding: 35px;
            border-radius: 15px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
            position: relative;
        }
        .testimonial-card::before {
            content: '“';
            position: absolute;
            top: 10px; left: 20px;
            font-size: 5rem;
            color: rgba(74, 144, 226, 0.1);
            font-family: serif;
        }
        .user-type { color: var(--color-primary); font-weight: 700; font-size: 0.85rem; display: block; margin-bottom: 10px; }
        .testimonial-title { font-size: 1.2rem; font-weight: 800; margin-bottom: 15px; color: var(--color-text); line-height: 1.4; }
        .testimonial-text { font-size: 0.95rem; color: var(--color-dark-gray); line-height: 1.7; }

        /* =========================================================================
         * 6. 無料体験についてセクション
         * ========================================================================= */
        .trial-info-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-bottom: 40px;
        }

        .trial-point {
            background-color: #fff;
            padding: 25px;
            border-radius: 12px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
            border-left: 5px solid var(--color-secondary);
        }

        .trial-point h3 {
            font-size: 1.1rem;
            color: var(--color-text);
            margin-bottom: 10px;
            font-weight: 700;
        }

        .trial-point p {
            font-size: 0.9rem;
            color: var(--color-dark-gray);
        }

        .no-solicitation {
            text-align: center;
            margin-top: 30px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-secondary);
        }

        /* =========================================================================
         * 7. 体験レッスンの流れセクション (デザイン刷新: 垂直フロースタイル V2)
         * ========================================================================= */
        .timeline {
            max-width: 640px;
            margin: 0 auto;
            padding: 20px 0;
            position: relative;
        }

        .timeline::before {
            display: none;
        }

        .timeline-item {
            display: flex;
            align-items: center;
            margin-bottom: 0;
            position: relative;
            padding-bottom: 0;
        }

        .timeline-number {
            flex: 0 0 70px;
            width: 70px;
            height: 70px;
            border: 1px solid var(--color-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.5rem;
            color: var(--color-primary);
            font-weight: 300;
            line-height: 1;
            margin-right: 30px;
            font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
            background-color: #fff;
        }

        .timeline-content {
            flex: 1;
            background: transparent;
            box-shadow: none;
            padding: 0;
            border-radius: 0;
            width: auto !important;
            margin: 0 !important;
            text-align: left;
        }

        .timeline-content h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 5px;
            position: relative;
        }

        .timeline-content p {
            font-size: 1rem;
            color: var(--color-text);
            line-height: 1.6;
            margin-bottom: 0;
        }

        .timeline-arrow {
            width: 100%;
            height: auto;
            display: flex;
            justify-content: center;
            align-items: center;
            margin: 25px 0;
            padding-left: 0;
        }

        .timeline-arrow::after {
            content: '';
            width: 30px;
            height: 30px;
            border-right: 2px solid #ccc;
            border-bottom: 2px solid #ccc;
            transform: rotate(45deg);
        }

        @media (max-width: 768px) {
            .timeline-number {
                flex: 0 0 50px;
                width: 50px;
                height: 50px;
                font-size: 1.8rem;
                margin-right: 20px;
            }

            .timeline-content h3 {
                font-size: 1.1rem;
            }

            .timeline-arrow {
                margin: 20px 0;
            }

            .timeline-arrow::after {
                width: 20px;
                height: 20px;
            }
        }


        /* =========================================================================
         * 8. Q&Aセクション
         * ========================================================================= */
        .faq-list {
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-item {
            margin-bottom: 10px;
            border: 1px solid #ddd;
            border-radius: 8px;
            overflow: hidden;
        }

        .faq-question {
            background-color: #fff;
            padding: 18px 25px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: background-color 0.3s;
        }

        .faq-question:hover {
            background-color: var(--color-light-gray);
        }

        .faq-question::before {
            content: 'Q.';
            color: var(--color-primary);
            font-size: 1.2em;
            font-weight: 800;
            margin-right: 10px;
        }

        .faq-toggle-icon {
            font-size: 1.2rem;
            color: var(--color-primary);
            transition: transform 0.3s;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease-out;
            background-color: #f7faff;
            padding: 0 25px;
        }

        .faq-answer-inner {
            padding: 15px 0 20px 40px;
            font-size: 0.95rem;
            color: var(--color-dark-gray);
            position: relative;
        }

        .faq-answer-inner::before {
            content: 'A.';
            color: var(--color-secondary);
            font-size: 1.2em;
            font-weight: 800;
            position: absolute;
            left: 0;
            top: 15px;
        }

        .faq-item.open .faq-toggle-icon {
            transform: rotate(180deg);
        }

        /* =========================================================================
         * 9. バナーセクション
         * ========================================================================= */

         .feature-banner-section {
            width: 100%;
            background: #ff9900; /* オレンジ(他でも使っている色) */
            padding: 5rem 0;
        }

        .feature-banner-section .container {
            margin-bottom: 30px;
        }

        .feature-banner-section h2 {
            color: #fff;
        }

        .feature-banner-section h2::after {
            background-color: #fff;
        }

        .feature-banner-wrapper {
            display: flex;
            justify-content: center;
            align-items: center;
            width: 100%;
        }
        .feature-banner-img {
            border-radius: 22px;
            max-width: 400px;
            width: 90%;
            box-shadow: 0 6px 32px rgba(30,30,30,0.18), 0 1.5px 6px rgba(255,153,0,0.13);
            display: block;
            margin: 0 auto;
            transition:
                transform 0.2s cubic-bezier(.4,0,.2,1),
                box-shadow 0.2s cubic-bezier(.4,0,.2,1),
                filter 0.2s cubic-bezier(.4,0,.2,1);
        }
        .feature-banner-img:hover,
        .feature-banner-img:focus {
            transform: translateY(-2px) scale(1.04);
            box-shadow: 0 10px 40px rgba(30,30,30,0.25), 0 5px 16px rgba(255,153,0,0.13);
            filter: brightness(1.06) saturate(1.08);
        }
        @media (max-width: 600px) {
            .feature-banner-section {
                padding: 22px 0;
            }
            .feature-banner-img {
                max-width: 90vw;
                border-radius: 12px;
            }
        }
        



        /* =========================================================================
         * 9. 無料体験申込セクション
         * ========================================================================= */
        .cta-form-section {
            background: linear-gradient(135deg, var(--color-primary), #60a5fa);
            padding: 80px 0;
            color: #fff;
            text-align: center;
        }

        .cta-form-section h2 {
            color: #fff;
        }

        .cta-form-section h2::after {
            background-color: var(--color-secondary);
        }

        .cta-lead-text {
            font-size: 1.1rem;
            margin-bottom: 40px;
            font-weight: 300;
        }

        .cta-branches-buttons {
            display: flex;
            gap: 20px;
            justify-content: center;
            margin-bottom: 32px;
        }

        .cta-branches-buttons .cta-button {
            box-shadow: none;
            padding: 18px 60px 18px 80px;
        }

        .cta-branches-buttons .cta-button:hover {
            box-shadow: none;
        }

        .form-card {
            background-color: #fff;
            color: var(--color-text);
            max-width: 700px;
            margin: 0 auto;
            padding: 40px;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
            text-align: left;
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 5px;
        }

        .form-group label span.required {
            color: #d84315;
            margin-left: 5px;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 10px 15px;
            border: 1px solid #ddd;
            border-radius: 6px;
            font-size: 1rem;
            transition: border-color 0.3s;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.2);
        }

        .form-group textarea {
            resize: vertical;
            min-height: 100px;
        }

        .privacy-consent {
            display: flex;
            align-items: center;
            margin-top: 30px;
            margin-bottom: 30px;
        }

        .privacy-consent input[type="checkbox"] {
            margin-right: 10px;
            width: auto;
        }

        .privacy-consent label {
            font-size: 0.9rem;
            font-weight: 500;
            margin-bottom: 0;
        }

        .form-error {
            color: #d84315;
            font-size: 0.85rem;
            margin-top: 5px;
            display: none;
        }

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

        .submit-area .cta-button {
            width: 100%;
            padding: 18px;
            font-size: 1.2rem;
        }

        .form-footer-text {
            text-align: center;
            font-size: 0.8rem;
            color: var(--color-dark-gray);
            margin-top: 20px;
        }

        @media (max-width: 768px) {
            .form-card {
                padding: 30px 20px;
            }

            .cta-form-section {
                padding: 60px 0;
            }
            .cta-branches-buttons {
                flex-direction: column;
                gap: 15px;
            }
        
            .cta-branches-buttons .cta-button {
                width: 100%;
                max-width: 300px;
                margin: 0 auto;
            }
        }

        /* =========================================================================
         * 10. Footer & Scroll To Top
         * ========================================================================= */
        .footer {
            background-color: var(--color-text);
            color: #fff;
            padding: 40px 0;
            text-align: center;
            font-size: 0.85rem;
        }

        .footer p {
            margin-bottom: 5px;
        }

        #scroll-to-top {
            position: fixed;
            bottom: 20px;
            right: 20px;
            width: 50px;
            height: 50px;
            background-color: var(--color-secondary);
            color: #fff;
            border: none;
            border-radius: 50%;
            font-size: 1.5rem;
            cursor: pointer;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
            display: none;
            opacity: 0;
            transition: opacity 0.3s, background-color 0.3s;
            z-index: 999;
        }

        #scroll-to-top:hover {
            background-color: #d88f17;
        }

        #scroll-to-top.show {
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 1;
        }

        /* モバイルでページトップボタンを非表示 */
        @media (max-width: 768px) {
            #scroll-to-top {
                display: none !important;
            }
        }

        /* スマホ用無料体験申し込みボタン（フロート） */
        .mobile-cta-float {
            display: none;
        }

        @media (max-width: 768px) {
            .mobile-cta-float {
                display: flex;
                align-items: center;
                justify-content: center;
                position: fixed;
                bottom: 20px;
                right: 20px;
                width: 140px;
                height: 50px;
                background-color: var(--color-secondary);
                color: #fff;
                font-weight: 700;
                font-size: 0.9rem;
                text-decoration: none;
                border-radius: 50px;
                box-shadow: 0 4px 15px rgba(245, 166, 35, 0.5);
                z-index: 998;
                transition: all 0.3s ease;
                opacity: 0;
                transform: translateY(20px);
                pointer-events: none;
            }

            .mobile-cta-float.show {
                opacity: 1;
                transform: translateY(0);
                pointer-events: auto;
            }

            .mobile-cta-float:hover {
                background-color: #d88f17;
                transform: translateY(-2px);
                box-shadow: 0 6px 20px rgba(245, 166, 35, 0.6);
            }
        }