/* ===========================
   Reset & Base Styles
   =========================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Helvetica Neue', Arial, 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', Meiryo, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

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

sup {
    font-size: 0.6em;
    vertical-align: super;
}

/* ===========================
   Header
   =========================== */
.header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo h1 {
    font-size: 28px;
    color: #2c7a3f;
    margin-bottom: 0;
}

.logo .tagline {
    font-size: 12px;
    color: #666;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

.main-nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
}

.main-nav a:hover {
    color: #2c7a3f;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: #333;
    transition: all 0.3s;
}

/* ===========================
   Hero Section
   =========================== */
.hero {
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
    padding: 120px 0 60px;
    margin-top: 70px;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.hero-title {
    font-size: 42px;
    color: #2c7a3f;
    margin-bottom: 10px;
}

.hero-subtitle {
    font-size: 36px;
    color: #1b5e20;
    margin-bottom: 20px;
}

.hero-description {
    font-size: 18px;
    color: #555;
    margin-bottom: 25px;
    line-height: 1.8;
}

.hero-badge {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
}

.badge {
    background-color: #2c7a3f;
    color: #fff;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}

.cta-button {
    display: inline-block;
    background-color: #2c7a3f;
    color: #fff;
    padding: 15px 40px;
    text-decoration: none;
    border-radius: 30px;
    font-size: 18px;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(44, 122, 63, 0.3);
}

.cta-button:hover {
    background-color: #1b5e20;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(44, 122, 63, 0.4);
}

.product-showcase {
    display: flex;
    justify-content: center;
    align-items: center;
}

.product-image-placeholder {
    width: 350px;
    height: 450px;
    background: linear-gradient(135deg, #fff 0%, #f0f0f0 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border: 3px solid #2c7a3f;
}

.product-image-placeholder p {
    font-size: 18px;
    color: #666;
    line-height: 1.6;
}

/* ===========================
   Product Info Section
   =========================== */
.product-info {
    padding: 60px 0;
    background-color: #fff;
}

.section-title {
    font-size: 36px;
    text-align: center;
    color: #2c7a3f;
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: #2c7a3f;
    border-radius: 2px;
}

.product-card {
    background-color: #f9f9f9;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.product-card h3 {
    font-size: 28px;
    color: #2c7a3f;
    margin-bottom: 15px;
}

.product-subtitle {
    font-size: 16px;
    color: #666;
    margin-bottom: 30px;
}

.product-specs {
    display: grid;
    gap: 15px;
}

.spec-item {
    display: flex;
    padding: 12px 0;
    border-bottom: 1px solid #e0e0e0;
}

.spec-label {
    font-weight: 600;
    color: #333;
    min-width: 150px;
}

.spec-value {
    color: #666;
}

/* ===========================
   Features Section
   =========================== */
.features {
    padding: 60px 0;
    background: linear-gradient(135deg, #f1f8f4 0%, #e8f5e9 100%);
}

.features-intro {
    text-align: center;
    font-size: 18px;
    color: #555;
    margin-bottom: 50px;
    line-height: 1.8;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: #fff;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.feature-icon {
    margin-bottom: 20px;
}

.icon-circle {
    width: 80px;
    height: 80px;
    margin: 0 auto;
    background-color: #2c7a3f;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
}

.feature-card h3 {
    font-size: 22px;
    color: #2c7a3f;
    margin-bottom: 15px;
}

.feature-card p {
    font-size: 15px;
    color: #666;
    line-height: 1.6;
}

/* ===========================
   Ingredients Section
   =========================== */
.ingredients {
    padding: 60px 0;
    background-color: #fff;
}

.ingredients-content {
    display: grid;
    gap: 25px;
}

.ingredients-box,
.usage-box,
.warning-box {
    background-color: #f9f9f9;
    padding: 30px;
    border-radius: 15px;
    border-left: 5px solid #2c7a3f;
}

.ingredients-box h3,
.usage-box h3,
.warning-box h3 {
    font-size: 22px;
    color: #2c7a3f;
    margin-bottom: 15px;
}

.ingredients-box p,
.usage-box p {
    font-size: 15px;
    color: #555;
    line-height: 1.8;
}

.nutrition-list,
.warning-list {
    list-style: none;
    padding-left: 0;
}

.nutrition-list li,
.warning-list li {
    padding: 8px 0;
    color: #555;
    position: relative;
    padding-left: 25px;
}

.nutrition-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #2c7a3f;
    font-weight: 700;
}

.warning-list li::before {
    content: '●';
    position: absolute;
    left: 0;
    color: #2c7a3f;
}

.usage-instruction {
    font-size: 18px;
    font-weight: 600;
    color: #2c7a3f;
}

.warning-box {
    border-left-color: #ff6b6b;
}

.warning-box h3 {
    color: #ff6b6b;
}

/* ===========================
   Manufacturer Section
   =========================== */
.manufacturer {
    padding: 60px 0;
    background: linear-gradient(135deg, #f1f8f4 0%, #e8f5e9 100%);
}

.manufacturer-content {
    background-color: #fff;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.manufacturer-info h3 {
    font-size: 22px;
    color: #2c7a3f;
    margin-bottom: 20px;
}

.manufacturer-info p {
    font-size: 16px;
    color: #555;
    line-height: 1.8;
    margin-bottom: 10px;
}

.origin-note {
    font-style: italic;
    color: #888;
}

/* ===========================
   Contact Section
   =========================== */
.contact {
    padding: 60px 0;
    background-color: #fff;
}

.contact-intro {
    text-align: center;
    font-size: 18px;
    color: #555;
    margin-bottom: 40px;
    line-height: 1.8;
}

.contact-form-wrapper {
    max-width: 700px;
    margin: 0 auto;
    background-color: #f9f9f9;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

.required {
    color: #ff6b6b;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    font-size: 15px;
    border: 2px solid #ddd;
    border-radius: 8px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2c7a3f;
}

.form-submit {
    text-align: center;
    margin-top: 30px;
}

.submit-button {
    background-color: #2c7a3f;
    color: #fff;
    padding: 15px 50px;
    font-size: 18px;
    font-weight: 600;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(44, 122, 63, 0.3);
}

.submit-button:hover {
    background-color: #1b5e20;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(44, 122, 63, 0.4);
}

/* ===========================
   Footer
   =========================== */
.footer {
    background-color: #2c7a3f;
    color: #fff;
    padding: 40px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    margin-bottom: 30px;
}

.footer-company h3 {
    font-size: 24px;
    margin-bottom: 10px;
}

.footer-company p {
    font-size: 14px;
    margin-bottom: 5px;
}

.footer-link a {
    color: #a5d6a7;
    text-decoration: none;
}

.footer-link a:hover {
    text-decoration: underline;
}

.footer-contact h4 {
    font-size: 18px;
    margin-bottom: 10px;
}

.footer-contact a {
    color: #a5d6a7;
    text-decoration: none;
}

.footer-contact a:hover {
    text-decoration: underline;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.2);
    padding-top: 20px;
    text-align: center;
}

.footer-bottom p {
    font-size: 14px;
    margin-bottom: 5px;
}

.footer-note {
    font-size: 12px;
    color: #a5d6a7;
}

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .main-nav {
        display: none;
    }

    .main-nav.active {
        display: block;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background-color: #fff;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
    }

    .main-nav.active ul {
        flex-direction: column;
        padding: 20px;
        gap: 15px;
    }

    .hero {
        padding: 100px 0 40px;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 28px;
    }

    .hero-description {
        font-size: 16px;
    }

    .product-image-placeholder {
        width: 280px;
        height: 360px;
    }

    .section-title {
        font-size: 28px;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .contact-form-wrapper {
        padding: 25px;
    }
}

@media (max-width: 480px) {
    .hero-badge {
        flex-direction: column;
        gap: 10px;
    }

    .badge {
        text-align: center;
    }

    .product-card {
        padding: 25px;
    }

    .spec-item {
        flex-direction: column;
    }

    .spec-label {
        margin-bottom: 5px;
    }
}