/* ベースとタイポグラフィー */
:root {
    --primary-color: #2ecc71;
    --primary-dark: #27ae60;
    --primary-light: #a8e6cf;
    --secondary-color: #4ecdc4;
    --accent-color: #1b5e20;
    --text-color: #333;
    --text-light: #666;
    --text-dark: #222;
    --bg-color: #fff;
    --bg-light: #f9f9f9;
    --bg-dark: #eee;
    --border-color: #ddd;
    --success-color: #27ae60;
    --error-color: #e74c3c;
    --warning-color: #f39c12;
    --info-color: #3498db;
    --box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
    --border-radius: 4px;
    --border-radius-large: 8px;
    --font-main: 'Noto Sans JP', sans-serif;
    --font-accent: 'M PLUS Rounded 1c', sans-serif;
    --container-max-width: 1200px;
    --container-padding: 20px;
}

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

body {
    font-family: var(--font-main);
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--bg-color);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-accent);
    margin-bottom: 1rem;
    color: var(--text-dark);
    font-weight: 700;
    line-height: 1.3;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1rem;
}

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-dark);
}

ul {
    list-style: none;
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

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

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

/* ヘッダーとナビゲーション */
header {
    background-color: var(--bg-color);
    box-shadow: var(--box-shadow);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo img {
    height: 50px;
    width: auto;
}

nav ul {
    display: flex;
    gap: 2rem;
}

nav a {
    color: var(--text-color);
    font-weight: 500;
    font-size: 1rem;
    padding: 0.5rem 0;
    position: relative;
}

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

nav a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--primary-color);
    transition: var(--transition);
}

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

.cart-icon {
    position: relative;
}

.cart-icon i {
    font-size: 1.2rem;
}

#cart-count {
    position: absolute;
    top: -10px;
    right: -10px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 0.7rem;
    font-weight: bold;
}

/* ヒーローセクション */
.hero {
    background-color: var(--primary-light);
    padding: 5rem 0;
    text-align: center;
    background-image: linear-gradient(to bottom right, var(--primary-light), var(--secondary-color));
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect fill="rgba(255,255,255,0.05)" x="0" y="0" width="50" height="50" /><rect fill="rgba(255,255,255,0.05)" x="50" y="50" width="50" height="50" /></svg>');
    opacity: 0.3;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--text-dark);
}

/* ボタンスタイル */
.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-family: var(--font-main);
    font-size: 1rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    color: white;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-dark);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.btn-view {
    display: inline-block;
    padding: 0.6rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 0.9rem;
    text-align: center;
    background-color: var(--primary-color);
    color: white;
    transition: var(--transition);
}

.btn-view:hover {
    background-color: var(--primary-dark);
    color: white;
    transform: translateY(-2px);
}

.btn-view.small {
    padding: 0.4rem 1rem;
    font-size: 0.8rem;
}

/* 特徴セクション */
.features {
    padding: 5rem 0;
    background-color: var(--bg-light);
}

.features h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.feature-item {
    background-color: var(--bg-color);
    padding: 2rem;
    border-radius: var(--border-radius-large);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background-color: var(--primary-light);
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 1.5rem;
}

.feature-icon i {
    font-size: 1.8rem;
    color: var(--primary-dark);
}

.feature-item h3 {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
}

.feature-item p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* 実績セクション */
.achievements {
    display: flex;
    justify-content: space-around;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.achievement-item {
    text-align: center;
    padding: 1rem;
}

.achievement-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-family: var(--font-accent);
}

.achievement-text {
    font-size: 1rem;
    color: var(--text-light);
}

/* CTA */
.cta {
    text-align: center;
    padding: 1rem 0;
}

.cta p {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

/* 製品説明セクション */
.product-description {
    padding: 5rem 0;
    background-color: white;
}

.product-description h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.description-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.description-text p {
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.description-benefits {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: var(--border-radius-large);
    box-shadow: var(--box-shadow);
}

.description-benefits h3 {
    margin-bottom: 1.5rem;
    color: var(--primary-dark);
}

.description-benefits ul {
    margin-bottom: 1.5rem;
}

.description-benefits li {
    margin-bottom: 0.8rem;
    position: relative;
    padding-left: 1.5rem;
}

.description-benefits li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

.eco-certificates {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.5rem;
}

.certificate {
    background-color: var(--bg-color);
    padding: 0.5rem 1rem;
    border-radius: 30px;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.certificate i {
    margin-right: 0.5rem;
    color: var(--primary-color);
}

.company-story {
    margin-top: 3rem;
    padding: 2rem;
    background-color: var(--bg-light);
    border-radius: var(--border-radius-large);
    position: relative;
}

.company-story h3 {
    margin-bottom: 1rem;
    color: var(--primary-dark);
}

/* 製品一覧セクション */
.products {
    padding: 5rem 0;
    background-color: var(--bg-light);
}

.products h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

.product-card {
    background-color: var(--bg-color);
    border-radius: var(--border-radius-large);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.product-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.product-card h3 {
    padding: 1.5rem 1.5rem 0.5rem;
    font-size: 1.2rem;
}

.product-card .price {
    padding: 0 1.5rem;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
}

.product-card .description {
    padding: 0 1.5rem;
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    min-height: 4rem;
}

.product-actions {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.product-row {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.product-card.small img {
    height: 180px;
}

.product-card.small h3 {
    font-size: 1rem;
    padding: 1rem 1rem 0.5rem;
}

.product-card.small .price {
    padding: 0 1rem;
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.product-card.small .description {
    display: none;
}

.product-card.small .product-actions {
    padding: 0 1rem 1rem;
    justify-content: center;
}

/* 計算機セクション */
.calculator {
    padding: 5rem 0;
    background-color: var(--bg-color);
}

.calculator h2 {
    text-align: center;
    margin-bottom: 1rem;
}

.calculator > .container > p {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-light);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.calculator-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: var(--border-radius-large);
    box-shadow: var(--box-shadow);
}

.calculator-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    font-size: 0.95rem;
}

.form-group input, 
.form-group select {
    padding: 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: var(--font-main);
}

.calculator-result {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding: 1.5rem 0;
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background-color: var(--bg-color);
    border-radius: var(--border-radius);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.result-label {
    font-weight: 600;
    color: var(--text-dark);
}

.result-value {
    font-family: var(--font-accent);
    font-size: 1.2rem;
    color: var(--primary-color);
    font-weight: 700;
}

/* お客様の声セクション */
.testimonials {
    padding: 5rem 0;
    background-color: var(--primary-light);
}

.testimonials h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.testimonial-slider {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.testimonial-item {
    background-color: var(--bg-color);
    padding: 2rem;
    border-radius: var(--border-radius-large);
    box-shadow: var(--box-shadow);
    width: 100%;
    max-width: 350px;
}

.testimonial-content {
    margin-bottom: 1.5rem;
    position: relative;
    padding-top: 2rem;
}

.testimonial-content::before {
    content: """;
    position: absolute;
    top: -1.5rem;
    left: -0.5rem;
    font-family: Georgia, serif;
    font-size: 6rem;
    color: var(--primary-light);
    opacity: 0.5;
    line-height: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.testimonial-author p {
    margin-bottom: 0;
    font-size: 0.9rem;
    color: var(--text-light);
    text-align: right;
}

/* フッター */
footer {
    background-color: var(--text-dark);
    color: white;
    padding: 5rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo img {
    width: 120px;
    margin-bottom: 1.5rem;
}

.footer-logo p {
    font-size: 0.95rem;
    opacity: 0.8;
}

.footer-links h3 {
    color: white;
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.footer-links ul li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: white;
    opacity: 0.8;
    font-size: 0.95rem;
    transition: var(--transition);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--primary-light);
}

.footer-contact h3 {
    color: white;
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1rem;
    opacity: 0.8;
    font-size: 0.95rem;
}

.footer-contact i {
    font-size: 1rem;
    color: var(--primary-light);
}

.social-icons {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-icons a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: var(--transition);
}

.social-icons a:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

.social-icons i {
    font-size: 1.2rem;
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Cookie バナー */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--bg-color);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    padding: 1.5rem;
    z-index: 1000;
    display: none;
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.5rem;
}

.cookie-content p {
    flex: 1;
    min-width: 300px;
    margin-bottom: 0;
    font-size: 0.95rem;
}

.cookie-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-cookie-accept,
.btn-cookie-customize,
.btn-cookie-reject {
    padding: 0.6rem 1.2rem;
    border-radius: var(--border-radius);
    border: none;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-cookie-accept {
    background-color: var(--primary-color);
    color: white;
}

.btn-cookie-accept:hover {
    background-color: var(--primary-dark);
}

.btn-cookie-customize {
    background-color: var(--bg-dark);
    color: var(--text-color);
}

.btn-cookie-customize:hover {
    background-color: var(--border-color);
}

.btn-cookie-reject {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color);
}

.btn-cookie-reject:hover {
    background-color: var(--bg-dark);
}

.cookie-more-info {
    font-size: 0.85rem;
    color: var(--primary-color);
    text-decoration: underline;
    margin-top: 0.5rem;
}

/* 通知 */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background-color: var(--success-color);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    z-index: 1001;
    display: none;
    animation: slideIn 0.3s ease-out forwards;
}

@keyframes slideIn {
    0% {
        transform: translateX(100%);
        opacity: 0;
    }
    100% {
        transform: translateX(0);
        opacity: 1;
    }
}

.notification p {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-weight: 500;
}

.notification i {
    font-size: 1.2rem;
}

/* 商品詳細ページ */
.product-detail {
    padding: 3rem 0 5rem;
}

.breadcrumb {
    margin-bottom: 2rem;
    color: var(--text-light);
    font-size: 0.95rem;
}

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

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

.product-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.product-image {
    border-radius: var(--border-radius-large);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-info h1 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
}

.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.product-id {
    color: var(--text-light);
    font-size: 0.9rem;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.product-rating i {
    color: #f39c12;
    font-size: 0.9rem;
}

.product-rating span {
    font-size: 0.9rem;
    color: var(--text-light);
}

.product-price {
    font-size: 1.8rem;
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tax-included {
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 400;
}

.product-shipping {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.product-shipping p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    color: var(--text-light);
}

.product-shipping i {
    color: var(--success-color);
}

.product-description {
    margin-bottom: 2rem;
}

.product-description p {
    color: var(--text-color);
    line-height: 1.7;
    font-size: 1rem;
}

.product-features {
    margin-bottom: 2rem;
}

.product-features h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.product-features ul {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.8rem;
}

.product-features li {
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.95rem;
    color: var(--text-color);
}

.product-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

.quantity-selector {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.quantity-selector label {
    font-weight: 600;
    font-size: 0.95rem;
}

.quantity-selector select {
    padding: 0.6rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: var(--font-main);
    width: 80px;
}

.add-to-cart, .buy-now {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.product-tabs {
    margin-bottom: 4rem;
}

.tabs {
    display: flex;
    overflow-x: auto;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.tab-button {
    padding: 1rem 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-main);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-light);
    position: relative;
    transition: var(--transition);
    white-space: nowrap;
}

.tab-button::after {
    content: '';
    position: absolute;
    width: 0;
    height: 3px;
    bottom: -1px;
    left: 0;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.tab-button:hover {
    color: var(--primary-color);
}

.tab-button.active {
    color: var(--primary-color);
}

.tab-button.active::after {
    width: 100%;
}

.tab-content {
    display: none;
    padding: 2rem;
    background-color: var(--bg-light);
    border-radius: var(--border-radius);
}

.tab-content.active {
    display: block;
}

.tab-content h3 {
    margin-bottom: 1.5rem;
}

.tab-content p {
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.product-specs {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1.5rem;
}

.product-specs th, .product-specs td {
    padding: 0.8rem;
    border-bottom: 1px solid var(--border-color);
    text-align: left;
}

.product-specs th {
    font-weight: 600;
    color: var(--text-dark);
    width: 30%;
}

.usage-steps {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.usage-step {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
}

.step-number {
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 600;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.step-content h4 {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.step-content p {
    margin-bottom: 0;
    line-height: 1.6;
}

.usage-tips {
    background-color: var(--bg-color);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
}

.usage-tips h4 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.usage-tips ul {
    display: grid;
    gap: 0.8rem;
}

.usage-tips li {
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.95rem;
}

.usage-tips li::before {
    content: "!";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.ingredients-list {
    margin-bottom: 2rem;
}

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

.ingredients-list th, .ingredients-list td {
    padding: 0.8rem;
    border-bottom: 1px solid var(--border-color);
    text-align: left;
}

.ingredients-list th {
    font-weight: 600;
    color: var(--text-dark);
    background-color: var(--bg-color);
}

.eco-certifications {
    background-color: var(--bg-color);
    padding: 1.5rem;
    border-radius: var(--border-radius);
}

.eco-certifications h4 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.eco-certifications ul {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.8rem;
}

.eco-certifications li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
}

.eco-certifications i {
    color: var(--success-color);
    font-size: 1.1rem;
}

.reviews-summary {
    display: flex;
    gap: 3rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.average-rating {
    text-align: center;
    padding: 1.5rem;
    background-color: var(--bg-color);
    border-radius: var(--border-radius);
    flex-basis: 200px;
}

.rating-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
    margin-bottom: 0.5rem;
    font-family: var(--font-accent);
}

.stars {
    margin-bottom: 0.5rem;
}

.stars i {
    color: #f39c12;
    font-size: 1rem;
}

.total-reviews {
    font-size: 0.9rem;
    color: var(--text-light);
}

.rating-bars {
    flex: 1;
    min-width: 250px;
}

.rating-bar {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.8rem;
}

.rating-label {
    width: 40px;
    font-size: 0.9rem;
    text-align: right;
}

.bar-container {
    flex: 1;
    height: 10px;
    background-color: var(--bg-dark);
    border-radius: 5px;
    overflow: hidden;
}

.bar {
    height: 100%;
    background-color: #f39c12;
}

.rating-percent {
    width: 40px;
    font-size: 0.9rem;
}

.review-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.review-item {
    background-color: var(--bg-color);
    padding: 1.5rem;
    border-radius: var(--border-radius);
}

.reviewer-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.reviewer-name {
    font-weight: 600;
    font-size: 1rem;
}

.reviewer-rating {
    display: flex;
    gap: 0.2rem;
}

.reviewer-rating i {
    color: #f39c12;
    font-size: 0.9rem;
}

.review-date {
    font-size: 0.9rem;
    color: var(--text-light);
}

.review-content h4 {
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
    color: var(--text-dark);
}

.review-content p {
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 0;
}

.related-products h2 {
    margin-bottom: 2rem;
    font-size: 1.8rem;
}

/* カートページ */
.page-header {
    padding: 3rem 0;
    background-color: var(--bg-light);
    text-align: center;
}

.page-header h1 {
    margin-bottom: 0.5rem;
}

.cart-section {
    padding: 3rem 0 5rem;
}

.cart-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 5rem 0;
    text-align: center;
}

.cart-empty i {
    font-size: 5rem;
    color: var(--border-color);
    margin-bottom: 1.5rem;
}

.cart-empty h2 {
    margin-bottom: 1rem;
}

.cart-empty p {
    margin-bottom: 2rem;
    color: var(--text-light);
}

.cart-content {
    display: flex;
    gap: 3rem;
    flex-wrap: wrap;
}

.cart-items-container {
    flex: 1 1 600px;
}

.cart-items-container h2 {
    margin-bottom: 2rem;
}

.cart-items {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.cart-item {
    display: flex;
    background-color: var(--bg-light);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    gap: 1.5rem;
}

.cart-item-image {
    width: 100px;
    height: 100px;
}

.cart-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--border-radius);
}

.cart-item-details {
    flex: 1;
}

.cart-item-details h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.item-price {
    color: var(--text-light);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.item-quantity {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.item-quantity label {
    font-size: 0.95rem;
    font-weight: 600;
}

.quantity-controls {
    display: flex;
    align-items: center;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.quantity-controls button {
    width: 30px;
    height: 30px;
    background-color: var(--bg-dark);
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    transition: var(--transition);
}

.quantity-controls button:hover {
    background-color: var(--border-color);
}

.quantity-controls input {
    width: 40px;
    height: 30px;
    text-align: center;
    border: none;
    border-left: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    font-size: 0.95rem;
    font-family: var(--font-main);
}

.cart-item-price {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: space-between;
    min-width: 120px;
}

.cart-item-price p {
    font-weight: 600;
    font-size: 1.1rem;
}

.remove-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--error-color);
    font-size: 0.9rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    transition: var(--transition);
}

.remove-item:hover {
    text-decoration: underline;
}

.cart-summary {
    flex: 1 1 300px;
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: var(--border-radius);
    height: fit-content;
}

.cart-summary h2 {
    margin-bottom: 2rem;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.summary-item.total {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 2rem;
}

.btn-checkout {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.continue-shopping {
    text-align: center;
    margin-bottom: 2rem;
}

.continue-shopping a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    color: var(--text-color);
}

.continue-shopping a:hover {
    color: var(--primary-color);
}

.payment-icons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.payment-icons i {
    font-size: 2rem;
    color: var(--text-light);
}

.secure-checkout {
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: var(--success-color);
    font-size: 0.95rem;
}

.eco-impact {
    padding: 4rem 0;
    background-color: var(--primary-light);
    text-align: center;
}

.eco-impact h2 {
    margin-bottom: 1rem;
}

.eco-impact > .container > p {
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.impact-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.impact-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 200px;
}

.impact-stat i {
    font-size: 2.5rem;
    color: var(--primary-dark);
    margin-bottom: 1rem;
}

.impact-number {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
    font-family: var(--font-accent);
}

.impact-label {
    font-size: 1rem;
    color: var(--text-dark);
}

.recommended-products {
    padding: 5rem 0;
    background-color: var(--bg-light);
}

.recommended-products h2 {
    text-align: center;
    margin-bottom: 3rem;
}

/* チェックアウトページ */
.checkout-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 5rem 0;
    text-align: center;
}

.checkout-empty i {
    font-size: 5rem;
    color: var(--border-color);
    margin-bottom: 1.5rem;
}

.checkout-empty h2 {
    margin-bottom: 1rem;
}

.checkout-empty p {
    margin-bottom: 2rem;
    color: var(--text-light);
}

.checkout-section {
    padding: 3rem 0 5rem;
}

.checkout-steps {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 3rem;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 1;
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--bg-dark);
    color: var(--text-dark);
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 600;
    margin-bottom: 0.8rem;
    transition: var(--transition);
}

.step.active .step-number {
    background-color: var(--primary-color);
    color: white;
}

.step-text {
    font-size: 0.9rem;
    color: var(--text-light);
    transition: var(--transition);
}

.step.active .step-text {
    color: var(--text-dark);
    font-weight: 600;
}

.step-line {
    flex: 1;
    height: 3px;
    background-color: var(--bg-dark);
    margin: 0 1rem;
    position: relative;
    top: -20px;
    z-index: 0;
}

.checkout-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
}

.checkout-form-container {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: var(--border-radius);
}

.checkout-form h2 {
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: var(--font-main);
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(46, 204, 113, 0.1);
}

.input-help {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 0.3rem;
    margin-bottom: 0;
}

.required {
    color: var(--error-color);
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
}

.checkbox-group label {
    margin-bottom: 0;
}

.form-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2.5rem;
}

.btn-back {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    color: var(--text-color);
}

.btn-back:hover {
    color: var(--primary-color);
}

.btn-order {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.checkout-summary {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: var(--border-radius);
}

.checkout-summary h2 {
    margin-bottom: 2rem;
}

.checkout-items {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
    max-height: 400px;
    overflow-y: auto;
    padding-right: 0.5rem;
}

.checkout-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.checkout-item-image {
    position: relative;
    width: 70px;
    height: 70px;
}

.checkout-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--border-radius);
}

.item-quantity {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 25px;
    height: 25px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 0.8rem;
    font-weight: 600;
}

.checkout-item-name {
    flex: 1;
}

.checkout-item-name h3 {
    font-size: 1rem;
    margin-bottom: 0;
}

.checkout-item-price {
    font-weight: 600;
    font-size: 1rem;
}

.summary-totals {
    padding: 1.5rem 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

.summary-line {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.summary-line.total {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0;
}

.checkout-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 0.2rem;
}

.info-item h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.info-item p {
    font-size: 0.9rem;
    margin-bottom: 0.3rem;
    color: var(--text-light);
}

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

/* 注文完了ページ */
.success-section {
    padding: 5rem 0;
}

.success-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.success-icon {
    margin-bottom: 2rem;
}

.success-icon i {
    font-size: 5rem;
    color: var(--success-color);
}

.success-content h2 {
    margin-bottom: 1.5rem;
    color: var(--success-color);
}

.success-message {
    font-size: 1.2rem;
    margin-bottom: 3rem;
}

.success-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    text-align: left;
    background-color: var(--bg-light);
    padding: 1.5rem;
    border-radius: var(--border-radius);
}

.success-info .info-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.success-info .info-item p {
    margin-bottom: 0;
    line-height: 1.6;
}

.eco-impact-message {
    background-color: var(--primary-light);
    padding: 2rem;
    border-radius: var(--border-radius);
    margin-bottom: 3rem;
}

.eco-impact-message h3 {
    color: var(--primary-dark);
    margin-bottom: 1rem;
}

.eco-impact-message p {
    margin-bottom: 0;
}

.success-actions {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.success-actions a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.newsletter {
    padding: 5rem 0;
    background-color: var(--bg-light);
    text-align: center;
}

.newsletter h2 {
    margin-bottom: 1rem;
}

.newsletter > p {
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.newsletter-form {
    display: flex;
    max-width: 500px;
    margin: 0 auto 1.5rem;
}

.newsletter-form input {
    flex: 1;
    padding: 0.8rem 1.2rem;
    border: 1px solid var(--border-color);
    border-right: none;
    border-radius: var(--border-radius) 0 0 var(--border-radius);
    font-size: 1rem;
    font-family: var(--font-main);
}

.newsletter-form button {
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    padding: 0 1.5rem;
}

.newsletter-privacy {
    font-size: 0.85rem;
    color: var(--text-light);
}

/* お問い合わせページ */
.contact-section {
    padding: 3rem 0 5rem;
}

.contact-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.contact-content {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 3rem;
}

.contact-form-wrapper {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: var(--border-radius);
}

.contact-form h3 {
    margin-bottom: 2rem;
}

.form-success {
    text-align: center;
    padding: 3rem;
    display: none;
}

.form-success i {
    font-size: 4rem;
    color: var(--success-color);
    margin-bottom: 1.5rem;
}

.form-success h3 {
    color: var(--success-color);
    margin-bottom: 1rem;
}

.form-success p {
    margin-bottom: 0;
}

.contact-info {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: var(--border-radius);
}

.contact-info h3 {
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1.2rem;
    margin-bottom: 2rem;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 0.2rem;
}

.contact-item h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.contact-item p {
    margin-bottom: 0.3rem;
    font-size: 0.95rem;
}

.contact-item .note {
    font-size: 0.85rem;
    color: var(--text-light);
}

.contact-social h4 {
    margin-bottom: 1rem;
}

.faq-section {
    padding: 5rem 0;
    background-color: var(--bg-color);
}

.faq-section h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    background-color: var(--bg-light);
    cursor: pointer;
}

.faq-question h3 {
    font-size: 1.1rem;
    margin-bottom: 0;
    flex: 1;
}

.faq-toggle {
    margin-left: 1rem;
}

.faq-toggle i {
    font-size: 1rem;
    transition: var(--transition);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.faq-answer p {
    padding: 1.5rem;
    margin-bottom: 0;
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

/* 会社概要ページ */
.about-intro {
    padding: 3rem 0 5rem;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-content h2 {
    margin-bottom: 2rem;
}

.about-content p {
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.mission-values {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 3rem;
}

.mission-box, .values-box {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.mission-box h3, .values-box h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.values-box ul {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.values-box li {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.values-box i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.about-history {
    padding: 5rem 0;
    background-color: var(--bg-light);
}

.about-history h2 {
    text-align: center;
    margin-bottom: 4rem;
}

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

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 120px;
    width: 3px;
    height: 100%;
    background-color: var(--primary-light);
}

.timeline-item {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    position: relative;
}

.timeline-year {
    width: 120px;
    text-align: right;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--primary-color);
}

.timeline-content {
    flex: 1;
    background-color: var(--bg-color);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    position: relative;
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 20px;
    left: -30px;
    width: 20px;
    height: 3px;
    background-color: var(--primary-light);
}

.timeline-content h3 {
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.timeline-content p {
    margin-bottom: 0;
    font-size: 0.95rem;
}

.team {
    padding: 5rem 0;
}

.team h2 {
    text-align: center;
    margin-bottom: 1.5rem;
}

.team-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 2rem;
}

.team-member {
    background-color: var(--bg-light);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
}

.team-member:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow);
}

.team-member img {
    width: 150px;
    height: 150px;
    object-fit: cover;
    border-radius: 50%;
    margin: 0 auto 1.5rem;
}

.team-member h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.team-member p:nth-of-type(1) {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.team-member p:nth-of-type(2) {
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

.team-member .social-icons {
    justify-content: center;
    margin-top: 1rem;
}

.team-member .social-icons a {
    width: 35px;
    height: 35px;
    background-color: var(--bg-dark);
}

.team-member .social-icons a i {
    font-size: 1rem;
    color: var(--text-color);
}

.team-member .social-icons a:hover {
    background-color: var(--primary-color);
}

.team-member .social-icons a:hover i {
    color: white;
}

.company-info {
    padding: 5rem 0;
    background-color: var(--bg-light);
}

.company-info h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.info-content {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
}

.info-item {
    background-color: var(--bg-color);
    padding: 1.5rem;
    border-radius: var(--border-radius);
}

.info-item h3 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.info-item p {
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.eco-initiatives {
    padding: 5rem 0;
}

.eco-initiatives h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.initiatives-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.initiative-item {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
}

.initiative-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background-color: var(--primary-light);
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 1.5rem;
}

.initiative-icon i {
    font-size: 1.8rem;
    color: var(--primary-dark);
}

.initiative-item h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.initiative-item p {
    font-size: 0.95rem;
    color: var(--text-light);
    margin-bottom: 0;
}

.eco-certificates {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: var(--border-radius);
    max-width: 800px;
    margin: 0 auto;
}

.eco-certificates h3 {
    text-align: center;
    margin-bottom: 2rem;
}

.certificates-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.certificate-item {
    background-color: var(--bg-color);
    padding: 1rem 1.5rem;
    border-radius: 30px;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.certificate-item i {
    color: var(--primary-color);
}

.cta {
    padding: 5rem 0;
    background-color: var(--primary-light);
    text-align: center;
}

.cta h2 {
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.cta p {
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.product-saving {
    color: var(--success-color);
    font-weight: 600;
    margin-top: -1.5rem;
    margin-bottom: 1.5rem;
    padding: 0 1.5rem;
}

.eco-impact {
    margin-bottom: 3rem;
}

.eco-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.eco-stat {
    background-color: var(--bg-color);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-family: var(--font-accent);
}

.stat-label {
    font-size: 0.95rem;
    color: var(--text-dark);
}

.packaging-info {
    margin-top: 2rem;
}

.packaging-info h4 {
    margin-bottom: 1rem;
}

.packaging-info p {
    margin-bottom: 1rem;
}

.packaging-info ul {
    display: grid;
    gap: 0.8rem;
}

.packaging-info li {
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.95rem;
}

.packaging-info li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

/* レスポンシブ対応 */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 3rem;
    }
    
    .product-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .product-image {
        max-width: 500px;
        margin: 0 auto;
    }
    
    .checkout-content {
        grid-template-columns: 1fr;
    }
    
    .checkout-summary {
        order: -1;
    }
    
    .mission-values {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        padding: 1rem;
    }
    
    .logo {
        margin-bottom: 1rem;
    }
    
    nav ul {
        gap: 1rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .description-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .product-features ul {
        grid-template-columns: 1fr;
    }
    
    .eco-impact-stats {
        flex-direction: column;
        gap: 2rem;
    }
    
    .cart-item {
        flex-wrap: wrap;
    }
    
    .timeline::before {
        left: 75px;
    }
    
    .timeline-year {
        width: 75px;
    }
    
    .eco-stats {
        grid-template-columns: 1fr;
    }
    
    .calculator-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .achievements {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .tabs {
        flex-direction: column;
    }
    
    .tab-button {
        width: 100%;
        text-align: center;
    }
    
    .tab-button::after {
        display: none;
    }
    
    .form-actions {
        flex-direction: column;
        gap: 1rem;
    }
    
    .btn-back, .btn-order {
        width: 100%;
        justify-content: center;
    }
    
    .timeline::before {
        display: none;
    }
    
    .timeline-item {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .timeline-year {
        width: 100%;
        text-align: left;
    }
    
    .timeline-content::before {
        display: none;
    }
    
    .success-actions {
        flex-direction: column;
    }
    
    .newsletter-form {
        flex-direction: column;
        gap: 1rem;
    }
    
    .newsletter-form input, .newsletter-form button {
        width: 100%;
        border-radius: var(--border-radius);
    }
}