:root {
    --primary-color: #108a00; /* プレグラ・グラウンドグリーン */
    --primary-hover: #0d7000;
    --primary-light: #f0fdf4;
    --secondary-color: #0284c7; /* スポーティブルー */
    --accent-orange: #ea580c; /* 目を引くセール・価格用オレンジ */
    --accent-red: #dc2626;
    --text-color: #1f2937;
    --text-muted: #6b7280;
    --bg-white: #ffffff;
    --bg-light: #f8fafc;
    --bg-gray: #f1f5f9;
    --border-color: #e2e8f0;
    --card-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    --card-shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.1);
    --font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', Meiryo, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-light);
    color: var(--text-color);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    aspect-ratio: auto;
}

/* Accessibility Focus Visible */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
    outline: 3px solid var(--secondary-color);
    outline-offset: 2px;
}

.container {
    width: 100%;
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ==========================================
   Header
   ========================================== */
.site-header {
    background: #ffffff;
    border-bottom: 2px solid #e5e7eb;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
}

.header-logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-logo {
    font-size: 1.4rem;
    font-weight: 900;
    color: #1f2937;
    letter-spacing: -0.5px;
}

.brand-logo span {
    color: var(--primary-color);
}

.header-tagline {
    font-size: 0.75rem;
    color: var(--text-muted);
    background: #f3f4f6;
    padding: 3px 8px;
    border-radius: 4px;
    font-weight: 700;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.header-info-tel {
    text-align: right;
    display: none;
}

@media(min-width: 768px) {
    .header-info-tel {
        display: block;
    }
}

.header-info-tel .tel-label {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.header-info-tel .tel-number {
    font-size: 1.1rem;
    font-weight: 800;
    color: #1f2937;
}

.btn-header-cta {
    background: var(--accent-orange);
    color: #ffffff;
    font-weight: 700;
    font-size: 0.9rem;
    padding: 9px 18px;
    border-radius: 6px;
    transition: background 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-header-cta:hover {
    background: #c2410c;
}

/* ==========================================
   Hero Section
   ========================================== */
.hero {
    background: linear-gradient(180deg, #ffffff 0%, #f0fdf4 100%);
    border-bottom: 1px solid #dcfce7;
    padding: 40px 0 60px;
}

.hero-badge-top {
    display: inline-block;
    background: var(--primary-color);
    color: #ffffff;
    font-size: 0.85rem;
    font-weight: 700;
    padding: 6px 14px;
    border-radius: 4px;
    margin-bottom: 16px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 36px;
    align-items: center;
}

@media(min-width: 860px) {
    .hero-grid {
        grid-template-columns: 1.1fr 0.9fr;
    }
}

.hero-main-title {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 900;
    line-height: 1.35;
    color: #111827;
    margin-bottom: 16px;
}

.hero-main-title mark {
    background: linear-gradient(transparent 65%, #bbf7d0 65%);
    color: inherit;
    padding: 0 4px;
}

.hero-subtitle {
    font-size: 1.05rem;
    color: #4b5563;
    margin-bottom: 24px;
}

.hero-points-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 28px;
}

.hero-point-item {
    background: #ffffff;
    border: 1px solid #bbf7d0;
    border-left: 4px solid var(--primary-color);
    padding: 10px 14px;
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 700;
    color: #166534;
    display: flex;
    align-items: center;
    gap: 6px;
}

.hero-campaign-box {
    background: #ffffff;
    border: 2px solid var(--accent-orange);
    border-radius: 8px;
    padding: 18px 20px;
    margin-bottom: 24px;
    box-shadow: 0 4px 12px rgba(234, 88, 12, 0.1);
}

.campaign-head {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent-orange);
    margin-bottom: 6px;
}

.campaign-price-row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
}

.price-product-name {
    font-size: 1rem;
    font-weight: 800;
    color: #111827;
}

.price-values {
    display: flex;
    align-items: baseline;
    gap: 10px;
}

.old-price {
    font-size: 0.9rem;
    color: #9ca3af;
    text-decoration: line-through;
}

.special-price {
    font-size: 2rem;
    font-weight: 900;
    color: var(--accent-red);
}

.special-price span {
    font-size: 1rem;
    color: #111827;
}

.hero-cta-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

@media(min-width: 480px) {
    .hero-cta-group {
        flex-direction: row;
    }
}

.btn-primary-action {
    background: var(--accent-orange);
    color: #ffffff;
    font-size: 1.05rem;
    font-weight: 800;
    padding: 16px 28px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(234, 88, 12, 0.25);
    transition: background 0.2s, transform 0.1s;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary-action:hover {
    background: #c2410c;
    transform: translateY(-1px);
}

.btn-sub-action {
    background: #ffffff;
    border: 2px solid #d1d5db;
    color: #374151;
    font-size: 0.95rem;
    font-weight: 700;
    padding: 16px 20px;
    border-radius: 8px;
    text-align: center;
    transition: background 0.2s;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-sub-action:hover {
    background: #f9fafb;
    border-color: #9ca3af;
}

.hero-image-wrapper {
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 16px;
    box-shadow: var(--card-shadow);
}

.hero-image-wrapper img {
    border-radius: 8px;
    width: 100%;
}

.hero-caption {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: 10px;
}

/* ==========================================
   Section Common
   ========================================== */
.section {
    padding: 60px 0;
}

.section-bg-white {
    background: #ffffff;
}

.section-title-area {
    text-align: center;
    margin-bottom: 40px;
}

.section-subtitle-tag {
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: 1px;
    display: block;
    margin-bottom: 8px;
}

.section-main-heading {
    font-size: clamp(1.5rem, 3.5vw, 2.1rem);
    font-weight: 900;
    color: #111827;
    line-height: 1.4;
}

.section-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-top: 10px;
}

/* ==========================================
   Pain Points (お悩み)
   ========================================== */
.pain-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.pain-item-box {
    background: #ffffff;
    border: 1px solid #fed7aa;
    border-top: 4px solid var(--accent-orange);
    border-radius: 8px;
    padding: 24px 20px;
    box-shadow: var(--card-shadow);
}

.pain-icon {
    font-size: 2rem;
    margin-bottom: 12px;
}

.pain-item-box h3 {
    font-size: 1.1rem;
    font-weight: 800;
    color: #111827;
    margin-bottom: 10px;
}

.pain-item-box p {
    font-size: 0.9rem;
    color: #4b5563;
}

/* ==========================================
   Features (特徴)
   ========================================== */
.feature-card-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

@media(min-width: 640px) {
    .feature-card-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.feature-box {
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 30px 24px;
    position: relative;
    box-shadow: var(--card-shadow);
    transition: transform 0.2s, box-shadow 0.2s;
}

.feature-box:hover {
    transform: translateY(-2px);
    box-shadow: var(--card-shadow-hover);
}

.feature-num-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 1.8rem;
    font-weight: 900;
    color: #e5e7eb;
}

.feature-box-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-light);
    color: var(--primary-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.feature-box h3 {
    font-size: 1.2rem;
    font-weight: 800;
    color: #111827;
    margin-bottom: 12px;
}

.feature-box p {
    font-size: 0.9rem;
    color: #4b5563;
    line-height: 1.7;
}

/* ==========================================
   Product Details (製品ディテール・構造紹介)
   ========================================== */
.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 28px;
}

@media(min-width: 768px) {
    .product-detail-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.detail-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    display: flex;
    flex-direction: column;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.detail-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--card-shadow-hover);
}

.detail-img-wrap {
    background: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 4 / 3;
    overflow: hidden;
}

.detail-img-wrap img {
    max-height: 100%;
    width: auto;
    max-width: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.detail-card:hover .detail-img-wrap img {
    transform: scale(1.04);
}

.detail-content {
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.detail-badge {
    display: inline-block;
    align-self: flex-start;
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--primary-color);
    background: var(--primary-light);
    border: 1px solid #bbf7d0;
    padding: 3px 10px;
    border-radius: 20px;
    margin-bottom: 10px;
}

.detail-title {
    font-size: 1.15rem;
    font-weight: 800;
    color: #111827;
    margin-bottom: 10px;
    line-height: 1.4;
}

.detail-text {
    font-size: 0.88rem;
    color: #4b5563;
    line-height: 1.65;
    margin-bottom: 16px;
}

.detail-spec-points {
    list-style: none;
    margin-top: auto;
    padding-top: 14px;
    border-top: 1px dashed #e2e8f0;
}

.detail-spec-points li {
    font-size: 0.82rem;
    color: #374151;
    padding: 4px 0;
    display: flex;
    align-items: flex-start;
    gap: 6px;
    line-height: 1.5;
}

.detail-spec-points li::before {
    content: "✓";
    color: var(--primary-color);
    font-weight: bold;
    flex-shrink: 0;
}

/* ==========================================
   Sports Scenes (利用シーン)
   ========================================== */
.scene-cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 16px;
}

.scene-item {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 20px 16px;
    text-align: center;
}

.scene-icon-symbol {
    font-size: 2.2rem;
    margin-bottom: 10px;
}

.scene-item h4 {
    font-size: 1rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.scene-item p {
    font-size: 0.85rem;
    color: #4b5563;
}

/* ==========================================
   Video Player
   ========================================== */
.video-frame-wrap {
    max-width: 760px;
    margin: 0 auto;
    background: #000000;
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    box-shadow: var(--card-shadow);
}

.video-frame-wrap iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

/* ==========================================
   Specs Table
   ========================================== */
.table-responsive-box {
    max-width: 800px;
    margin: 0 auto;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
}

.spec-table {
    width: 100%;
    border-collapse: collapse;
}

.spec-table th, .spec-table td {
    padding: 14px 18px;
    border-bottom: 1px solid #e5e7eb;
    font-size: 0.9rem;
}

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

.spec-table th {
    background: #f9fafb;
    color: #374151;
    font-weight: 700;
    width: 32%;
}

.spec-table td {
    color: #111827;
}

.spec-table .point-highlight {
    color: var(--primary-color);
    font-weight: 800;
}

/* ==========================================
   Price / Plans
   ========================================== */
.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.plan-card {
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 30px 24px;
    display: flex;
    flex-direction: column;
    box-shadow: var(--card-shadow);
    position: relative;
}

.plan-card.recommended {
    border: 2px solid var(--primary-color);
    background: #ffffff;
    box-shadow: 0 8px 24px rgba(16, 138, 0, 0.12);
}

.plan-img-thumb {
    width: 100%;
    height: 140px;
    background: #f8fafc;
    border: 1px solid #f1f5f9;
    border-radius: 8px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
    overflow: hidden;
}

.plan-img-thumb img {
    max-height: 100%;
    max-width: 100%;
    width: auto;
    object-fit: contain;
}

.plan-img-thumb-combo {
    gap: 8px;
}

.plan-img-thumb-combo img {
    max-height: 100%;
    max-width: 45%;
    object-fit: contain;
}

.combo-plus {
    font-size: 1.2rem;
    font-weight: 900;
    color: var(--primary-color);
}

.recommend-tag {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 800;
    padding: 4px 14px;
    border-radius: 20px;
}

.plan-title {
    font-size: 1.2rem;
    font-weight: 800;
    text-align: center;
    color: #111827;
    margin-bottom: 6px;
}

.plan-desc {
    font-size: 0.85rem;
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.plan-price-block {
    text-align: center;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid #e5e7eb;
}

.plan-old-price {
    font-size: 0.85rem;
    color: #9ca3af;
    text-decoration: line-through;
}

.plan-new-price {
    font-size: 2.2rem;
    font-weight: 900;
    color: #111827;
}

.plan-card.recommended .plan-new-price {
    color: var(--accent-red);
}

.plan-new-price span {
    font-size: 0.95rem;
    font-weight: 700;
}

.plan-feature-list {
    list-style: none;
    margin-bottom: 24px;
    flex-grow: 1;
}

.plan-feature-list li {
    font-size: 0.9rem;
    color: #374151;
    padding: 6px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.plan-feature-list li::before {
    content: "✔";
    color: var(--primary-color);
    font-weight: bold;
}

/* ==========================================
   Order Form
   ========================================== */
.order-form-card {
    max-width: 680px;
    margin: 0 auto;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-top: 4px solid var(--primary-color);
    border-radius: 8px;
    padding: 36px 28px;
    box-shadow: var(--card-shadow);
}

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

.form-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: #1f2937;
}

.form-label .badge-req {
    background: var(--accent-red);
    color: #ffffff;
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 3px;
    margin-left: 6px;
}

.form-control {
    width: 100%;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    padding: 10px 14px;
    font-size: 0.95rem;
    font-family: inherit;
    color: #111827;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(16, 138, 0, 0.15);
}

.btn-form-submit {
    width: 100%;
    background: var(--accent-orange);
    color: #ffffff;
    font-size: 1.15rem;
    font-weight: 800;
    padding: 16px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(234, 88, 12, 0.2);
    transition: background 0.2s;
}

.btn-form-submit:hover {
    background: #c2410c;
}

/* ==========================================
   FAQ
   ========================================== */
.faq-accordion-wrap {
    max-width: 760px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-box {
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    padding: 18px 20px;
}

.faq-question {
    font-size: 1rem;
    font-weight: 800;
    color: #111827;
    margin-bottom: 8px;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.faq-question::before {
    content: "Q";
    color: var(--primary-color);
    font-weight: 900;
}

.faq-answer {
    font-size: 0.9rem;
    color: #4b5563;
    padding-left: 20px;
    line-height: 1.7;
}

/* ==========================================
   Footer
   ========================================== */
.site-footer {
    background: #1f2937;
    color: #9ca3af;
    padding: 40px 0;
    text-align: center;
    font-size: 0.85rem;
    border-top: 4px solid var(--primary-color);
}

.footer-company-info {
    margin-bottom: 16px;
    line-height: 1.6;
}

.footer-copyright {
    color: #6b7280;
    font-size: 0.8rem;
}

/* ==========================================
   LEDライト仕様 画面固定・追従バナー (Sticky Floating Banner)
   ========================================== */
.led-floating-banner {
    position: fixed;
    bottom: 25px;
    right: 25px;
    z-index: 9999;
    background: linear-gradient(135deg, #ea580c 0%, #c2410c 100%);
    color: #ffffff !important;
    padding: 12px 22px;
    border-radius: 50px;
    text-decoration: none !important;
    font-weight: 800;
    font-family: var(--font-family);
    box-shadow: 0 4px 20px rgba(234, 88, 12, 0.45);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: transform 0.3s ease, box-shadow 0.3s ease, opacity 0.3s ease;
    font-size: 15px;
    border: 1px solid rgba(255, 255, 255, 0.25);
}

.led-floating-banner:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(234, 88, 12, 0.65);
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
}

.led-floating-banner .led-icon {
    font-size: 20px;
    animation: led-glow-blink 1.8s infinite ease-in-out;
}

.led-floating-banner .banner-price-tag {
    background: #ffffff;
    color: #c2410c;
    font-size: 0.8rem;
    padding: 2px 8px;
    border-radius: 12px;
    font-weight: 900;
    margin-right: 2px;
}

@keyframes led-glow-blink {
    0%, 100% { transform: scale(1); filter: drop-shadow(0 0 2px #fde047); }
    50% { transform: scale(1.15); filter: drop-shadow(0 0 8px #fde047); }
}

/* ==========================================
   スマホ・タブレット表示の徹底最適化 (Mobile First Optimization)
   ========================================== */

/* iOS Safariのフォームズーム防止 & 視認性向上 */
.form-control,
input[type="text"],
input[type="email"],
input[type="tel"],
select,
textarea {
    font-size: 16px !important;
}

@media (max-width: 768px) {
    /* コンテナの余白を適切にしてコンテンツ幅を有効活用 */
    .container {
        padding: 0 16px;
    }

    /* ヘッダー */
    .header-inner {
        padding: 10px 0;
    }
    .brand-logo {
        font-size: 1.2rem;
    }
    .header-tagline {
        font-size: 0.7rem;
        padding: 2px 6px;
    }
    .btn-header-cta {
        padding: 8px 14px;
        font-size: 0.82rem;
    }

    /* ヒーローセクション */
    .hero {
        padding: 24px 0 36px;
    }
    .hero-main-title {
        font-size: 1.65rem;
        line-height: 1.35;
        margin-bottom: 12px;
    }
    .hero-subtitle {
        font-size: 0.95rem;
        line-height: 1.6;
        margin-bottom: 18px;
    }
    
    /* ヒーローのポイント一覧をスマホで読みやすく1列に */
    .hero-points-list {
        grid-template-columns: 1fr;
        gap: 8px;
        margin-bottom: 20px;
    }
    .hero-point-item {
        padding: 10px 14px;
        font-size: 0.95rem;
    }

    /* キャンペーン価格ボックス */
    .hero-campaign-box {
        padding: 16px 14px;
        margin-bottom: 20px;
    }
    .campaign-price-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
    .special-price {
        font-size: 1.85rem;
    }

    /* CTAボタン */
    .hero-cta-group {
        flex-direction: column;
        gap: 10px;
    }
    .btn-primary-action,
    .btn-sub-action {
        width: 100%;
        padding: 15px 16px;
        font-size: 1rem;
        box-sizing: border-box;
    }

    /* セクション共通 */
    .section {
        padding: 40px 0;
    }
    .section-title-area {
        margin-bottom: 24px;
    }
    .section-main-heading {
        font-size: 1.45rem;
        line-height: 1.35;
    }
    .section-desc {
        font-size: 0.88rem;
    }

    /* お悩みカード */
    .pain-card-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }
    .pain-item-box {
        padding: 18px 16px;
    }
    .pain-item-box h3 {
        font-size: 1.05rem;
    }

    /* 特徴カード */
    .feature-card-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .feature-box {
        padding: 22px 18px;
    }
    .feature-box h3 {
        font-size: 1.1rem;
    }

    /* 利用シーン */
    .scene-cards-container {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .scene-item {
        padding: 16px 14px;
        display: flex;
        align-items: center;
        text-align: left;
        gap: 14px;
    }
    .scene-icon-symbol {
        font-size: 2rem;
        margin-bottom: 0;
        flex-shrink: 0;
    }
    .scene-item-text {
        flex: 1;
    }

    /* スペック表 */
    .spec-table th,
    .spec-table td {
        padding: 10px 12px;
        font-size: 0.85rem;
    }
    .spec-table th {
        width: 36%;
    }

    /* 料金プラン */
    .plans-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-bottom: 28px;
    }
    .plan-card {
        padding: 24px 18px;
    }
    .plan-new-price {
        font-size: 1.9rem;
    }

    /* 注文フォーム */
    .order-form-card {
        padding: 22px 16px;
        border-radius: 8px;
    }
    .form-label {
        font-size: 0.95rem;
    }
    .form-control {
        padding: 12px 14px;
        border-radius: 6px;
    }
    .btn-form-submit {
        padding: 15px;
        font-size: 1.05rem;
    }

    /* FAQ */
    .faq-box {
        padding: 15px 16px;
    }
    .faq-question {
        font-size: 0.95rem;
    }
    .faq-answer {
        font-size: 0.88rem;
        line-height: 1.65;
    }

    /* 画面下部固定の追従バナー */
    body {
        padding-bottom: 72px; /* フッター重なり防止 */
    }
    .led-floating-banner {
        bottom: 0;
        right: 0;
        left: 0;
        border-radius: 0;
        justify-content: center;
        padding: 13px 12px;
        font-size: 14px;
        box-shadow: 0 -3px 12px rgba(0, 0, 0, 0.18);
        border: none;
        border-top: 2px solid #fdba74;
        gap: 8px;
    }
    .led-floating-banner .led-icon {
        font-size: 18px;
    }
    .led-floating-banner .banner-price-tag {
        font-size: 0.75rem;
        padding: 2px 6px;
    }
}

@media (max-width: 400px) {
    .hero-main-title {
        font-size: 1.45rem;
    }
    .special-price {
        font-size: 1.65rem;
    }
    .brand-logo {
        font-size: 1.05rem;
    }
    .btn-header-cta {
        padding: 7px 10px;
        font-size: 0.78rem;
    }
    .led-floating-banner {
        font-size: 13px;
        padding: 12px 8px;
    }
}