/* ========================================
   株式会社HASHIRA - コーポレートサイト
   抹茶の緑を基調としたシンプル洗練デザイン
   ======================================== */

/* ===== 変数定義 ===== */
:root {
    /* カラーパレット - 抹茶の緑をベースに */
    --primary-green: #2d5016;        /* 深い抹茶色 */
    --primary-light: #4a7c2c;        /* ライトグリーン */
    --primary-lighter: #6b9b47;      /* さらに明るいグリーン */
    --accent-gold: #c8a882;          /* 和のアクセントゴールド */
    --matcha-pale: #e8f5e0;          /* 薄い抹茶色 */
    --text-dark: #1a1a1a;            /* ダークグレー */
    --text-gray: #4a4a4a;            /* グレー */
    --text-light: #767676;           /* ライトグレー */
    --bg-white: #ffffff;
    --bg-off-white: #fafaf8;
    --border-color: #e0e0e0;

    /* タイポグラフィ */
    --font-sans: 'Noto Sans JP', sans-serif;
    --font-serif: 'Noto Serif JP', serif;

    /* スペーシング */
    --section-padding: 120px;
    --container-max-width: 1200px;

    /* トランジション */
    --transition: all 0.3s ease;
}

/* ===== リセット & ベーススタイル ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    color: var(--text-dark);
    line-height: 1.8;
    background-color: var(--bg-white);
    overflow-x: hidden;
}

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

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

ul, ol {
    list-style: none;
}

/* ===== コンテナ ===== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 40px;
}

/* ===== ヘッダー & ナビゲーション ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo h1 {
    font-family: var(--font-serif);
    font-size: 28px;
    font-weight: 600;
    color: var(--primary-green);
    letter-spacing: 0.05em;
}

.logo-subtitle {
    font-size: 12px;
    color: var(--text-gray);
    display: block;
    margin-top: -5px;
    letter-spacing: 0.1em;
}

.nav-menu {
    display: flex;
    gap: 45px;
    align-items: center;
}

.nav-menu a {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-dark);
    position: relative;
    padding: 8px 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--primary-green);
    transition: width 0.3s ease;
}

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

.nav-cta {
    background: var(--primary-green);
    color: white !important;
    padding: 10px 24px !important;
    border-radius: 30px;
}

.nav-cta::after {
    display: none;
}

.nav-cta:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--primary-green);
    transition: var(--transition);
}

/* ===== ヒーローセクション ===== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--matcha-pale) 0%, var(--bg-off-white) 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(107, 155, 71, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="0.5" fill="rgba(45,80,22,0.03)"/></svg>');
    background-size: 30px 30px;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 20px;
}

.hero-subtitle {
    font-size: 14px;
    letter-spacing: 0.3em;
    color: var(--primary-light);
    text-transform: uppercase;
    margin-bottom: 20px;
    font-weight: 500;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 64px;
    font-weight: 600;
    color: var(--primary-green);
    line-height: 1.3;
    margin-bottom: 30px;
}

.hero-description {
    font-size: 18px;
    color: var(--text-gray);
    line-height: 1.9;
    margin-bottom: 50px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    margin: 0 auto;
    width: 100%;
    padding: 0;
}

.hero-buttons .btn {
    text-decoration: none;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-light);
    font-size: 11px;
    letter-spacing: 0.2em;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: var(--text-light);
    animation: scrollAnimation 2s infinite;
}

@keyframes scrollAnimation {
    0%, 100% { opacity: 0.3; transform: translateY(0); }
    50% { opacity: 1; transform: translateY(10px); }
}

/* ===== ボタン ===== */
.btn {
    display: inline-block;
    padding: 16px 40px;
    font-size: 15px;
    font-weight: 500;
    border-radius: 50px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--primary-light);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(45, 80, 22, 0.2);
}

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

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

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

.btn-white:hover {
    background: var(--matcha-pale);
    transform: translateY(-3px);
}

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

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

.btn-large {
    padding: 18px 50px;
    font-size: 16px;
}

/* ===== セクション共通スタイル ===== */
section {
    padding: var(--section-padding) 0;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 42px;
    font-weight: 600;
    color: var(--primary-green);
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 16px;
    color: var(--text-gray);
}

.label {
    display: inline-block;
    font-size: 12px;
    letter-spacing: 0.2em;
    color: var(--primary-light);
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 15px;
}

.lead-text {
    font-size: 18px;
    line-height: 2;
    color: var(--text-gray);
    text-align: center;
}

/* ===== 特徴セクション ===== */
.features {
    background: var(--bg-off-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.feature-card {
    background: white;
    padding: 50px 40px;
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 30px;
    background: var(--matcha-pale);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-green);
    font-size: 32px;
}

.feature-card h3 {
    font-size: 22px;
    font-weight: 600;
    color: var(--primary-green);
    margin-bottom: 20px;
}

.feature-card p {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.8;
}

/* ===== 企業紹介プレビュー ===== */
.about-preview-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-preview-text h2 {
    font-family: var(--font-serif);
    font-size: 42px;
    font-weight: 600;
    color: var(--primary-green);
    margin: 20px 0 30px;
    line-height: 1.4;
}

.about-preview-text p {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 1.9;
    margin-bottom: 20px;
}

.about-preview-image {
    position: relative;
}

.image-placeholder {
    width: 100%;
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, var(--matcha-pale) 0%, var(--primary-lighter) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 64px;
    opacity: 0.7;
}

/* ===== 製品プレビュー ===== */
.products-preview {
    background: var(--bg-off-white);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 60px;
}

.product-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.product-image {
    width: 100%;
    aspect-ratio: 4/3;
    overflow: hidden;
}

.product-image .image-placeholder {
    width: 100%;
    height: 100%;
    border-radius: 0;
}

.product-info {
    padding: 30px;
}

.product-info h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-green);
    margin-bottom: 15px;
}

.product-info p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.7;
}

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

/* Coming Soon Box (トップページ用) */
.coming-soon-box {
    background: white;
    border: 3px dashed var(--primary-green);
    border-radius: 16px;
    padding: 60px 40px;
    margin-bottom: 50px;
    text-align: center;
    position: relative;
}

.coming-soon-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--primary-green);
    color: white;
    padding: 12px 30px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 30px;
    animation: badge-pulse 2s ease-in-out infinite;
}

.coming-soon-badge i {
    font-size: 18px;
    animation: rotate 2s linear infinite;
}

@keyframes badge-pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.coming-soon-box h3 {
    font-size: 28px;
    color: var(--primary-green);
    margin-bottom: 20px;
    font-weight: 600;
}

.coming-soon-box > p {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 1.9;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.coming-soon-highlights {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    color: var(--text-dark);
    font-weight: 500;
}

.highlight-item i {
    color: var(--primary-green);
    font-size: 20px;
}

/* ===== CTAセクション ===== */
.cta {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-light) 100%);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-family: var(--font-serif);
    font-size: 38px;
    font-weight: 600;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 16px;
    margin-bottom: 40px;
    opacity: 0.95;
}

/* ===== フッター ===== */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 80px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 50px;
}

.footer-section h3 {
    font-family: var(--font-serif);
    font-size: 24px;
    margin-bottom: 20px;
    color: var(--accent-gold);
}

.footer-section h4 {
    font-size: 16px;
    margin-bottom: 20px;
    font-weight: 600;
}

.footer-section p {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
}

.footer-section ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
}

.footer-section a:hover {
    color: var(--accent-gold);
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-contact i {
    color: var(--accent-gold);
    width: 16px;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
}

/* ===== ページヘッダー（下層ページ用） ===== */
.page-header {
    padding: 180px 0 100px;
    background: linear-gradient(135deg, var(--matcha-pale) 0%, var(--bg-off-white) 100%);
    text-align: center;
}

.page-header h1 {
    font-family: var(--font-serif);
    font-size: 48px;
    font-weight: 600;
    color: var(--primary-green);
    margin-bottom: 15px;
}

.page-header p {
    font-size: 16px;
    color: var(--text-gray);
}

/* ===== コンテンツブロック ===== */
.content-block {
    max-width: 900px;
    margin: 0 auto 60px;
    text-align: center;
}

.content-block h2 {
    font-family: var(--font-serif);
    font-size: 38px;
    font-weight: 600;
    color: var(--primary-green);
    margin: 15px 0 25px;
}

.content-block p {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 1.9;
}

/* ===== ABOUT ページスタイル ===== */
.philosophy {
    background: var(--bg-off-white);
}

.philosophy-content {
    margin-top: 40px;
}

.philosophy-main h3 {
    font-family: var(--font-serif);
    font-size: 28px;
    color: var(--primary-green);
    margin-bottom: 25px;
    text-align: center;
}

.philosophy-main p {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 2;
    margin-bottom: 20px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.vision-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 60px;
}

.vision-card {
    text-align: center;
    padding: 50px 30px;
    background: white;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.vision-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: var(--matcha-pale);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-green);
    font-size: 32px;
}

.vision-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-green);
    margin-bottom: 20px;
}

.vision-card p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.8;
}

.quality-commitment {
    background: var(--bg-off-white);
}

.content-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.content-text h2 {
    font-family: var(--font-serif);
    font-size: 38px;
    font-weight: 600;
    color: var(--primary-green);
    margin: 15px 0 30px;
}

.content-text p {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 1.9;
    margin-bottom: 30px;
}

.quality-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.quality-list li {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 15px;
    color: var(--text-gray);
}

.quality-list i {
    color: var(--primary-green);
    font-size: 18px;
}

.content-image .image-placeholder {
    aspect-ratio: 1;
}

.info-table {
    max-width: 800px;
    margin: 0 auto;
}

.info-row {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 30px;
    padding: 25px 0;
    border-bottom: 1px solid var(--border-color);
}

.info-row:last-child {
    border-bottom: none;
}

.info-label {
    font-weight: 600;
    color: var(--primary-green);
}

.info-value {
    color: var(--text-gray);
    line-height: 1.8;
}

/* ===== WHOLESALE ページスタイル ===== */
.wholesale-intro {
    background: var(--bg-off-white);
}

.service-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 60px;
}

.service-feature {
    padding: 40px;
    background: white;
    border-radius: 12px;
    border-left: 4px solid var(--primary-green);
}

.feature-number {
    font-family: var(--font-serif);
    font-size: 18px;
    font-weight: 600;
    color: var(--accent-gold);
    margin-bottom: 15px;
}

.service-feature h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-green);
    margin-bottom: 15px;
}

.service-feature p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.8;
}

.flow-steps {
    max-width: 900px;
    margin: 60px auto 0;
}

.flow-step {
    display: grid;
    grid-template-columns: 100px 1fr 80px;
    gap: 30px;
    align-items: center;
    padding: 40px;
    background: white;
    border-radius: 12px;
    margin-bottom: 30px;
    border: 1px solid var(--border-color);
}

.step-number {
    font-family: var(--font-serif);
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-green);
    letter-spacing: 0.1em;
}

.step-content h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-green);
    margin-bottom: 10px;
}

.step-content p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.8;
}

.step-icon {
    width: 60px;
    height: 60px;
    background: var(--matcha-pale);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-green);
    font-size: 24px;
}

.trading-terms {
    background: var(--bg-off-white);
}

.terms-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 60px;
}

.term-card {
    padding: 40px;
    background: white;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.term-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-green);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.term-card h3 i {
    font-size: 20px;
}

.term-card p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.8;
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.industry-item {
    text-align: center;
    padding: 40px 30px;
    background: white;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.industry-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.industry-item i {
    font-size: 40px;
    color: var(--primary-green);
    margin-bottom: 20px;
}

.industry-item h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-green);
    margin-bottom: 10px;
}

.industry-item p {
    font-size: 13px;
    color: var(--text-gray);
}

/* ===== PRODUCTS ページスタイル ===== */
.product-category {
    margin-bottom: 100px;
}

.product-category:last-child {
    margin-bottom: 0;
}

.category-header {
    text-align: center;
    margin-bottom: 60px;
}

.category-label {
    display: inline-block;
    font-size: 12px;
    letter-spacing: 0.2em;
    color: var(--primary-light);
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 15px;
}

.category-header h2 {
    font-family: var(--font-serif);
    font-size: 38px;
    font-weight: 600;
    color: var(--primary-green);
    margin-bottom: 15px;
}

.category-header p {
    font-size: 16px;
    color: var(--text-gray);
}

.products-list {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.product-detail-card {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 60px;
    align-items: start;
    padding: 50px;
    background: white;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.product-detail-card:nth-child(even) {
    grid-template-columns: 1fr 400px;
}

.product-detail-card:nth-child(even) .product-image-large {
    order: 2;
}

.product-image-large {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 8px;
    overflow: hidden;
}

.product-detail-content h3 {
    font-family: var(--font-serif);
    font-size: 28px;
    font-weight: 600;
    color: var(--primary-green);
    margin-bottom: 10px;
}

.product-grade {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--accent-gold);
    background: rgba(200, 168, 130, 0.1);
    padding: 5px 15px;
    border-radius: 20px;
    margin-bottom: 20px;
}

.product-description {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.9;
    margin-bottom: 30px;
}

.product-specs {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.product-specs li {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.6;
}

.product-specs strong {
    color: var(--primary-green);
    font-weight: 600;
}

.quality-assurance {
    background: var(--bg-off-white);
}

.assurance-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.assurance-item {
    text-align: center;
    padding: 40px 30px;
    background: white;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.assurance-item i {
    font-size: 40px;
    color: var(--primary-green);
    margin-bottom: 20px;
}

.assurance-item h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-green);
    margin-bottom: 15px;
}

.assurance-item p {
    font-size: 13px;
    color: var(--text-gray);
    line-height: 1.7;
}

/* ===== CONTACT ページスタイル ===== */
.contact-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 80px;
    font-size: 16px;
    color: var(--text-gray);
    line-height: 1.9;
}

.contact-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-form-container {
    position: relative;
}

.contact-form {
    background: white;
    padding: 50px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 30px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-green);
    margin-bottom: 10px;
}

.required {
    color: #d32f2f;
    font-size: 12px;
    margin-left: 5px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    font-size: 15px;
    font-family: var(--font-sans);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(45, 80, 22, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.checkbox-label {
    display: flex;
    align-items: start;
    gap: 10px;
    font-size: 14px;
    color: var(--text-gray);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin-top: 3px;
}

.privacy-link {
    color: var(--primary-green);
    text-decoration: underline;
}

.form-actions {
    text-align: center;
    margin-top: 40px;
}

.form-message {
    display: none;
    text-align: center;
    padding: 60px 40px;
    border-radius: 12px;
}

.form-message.success {
    background: var(--matcha-pale);
    color: var(--primary-green);
}

.form-message.error {
    background: #ffebee;
    color: #c62828;
}

.form-message i {
    font-size: 48px;
    margin-bottom: 20px;
}

.form-message h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.form-message p {
    font-size: 15px;
    line-height: 1.8;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.info-card {
    padding: 30px;
    background: white;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.info-card h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-green);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.info-card i {
    font-size: 18px;
}

.info-value {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 10px;
    line-height: 1.6;
}

.info-note {
    font-size: 13px;
    color: var(--text-light);
}

.faq-section {
    background: var(--bg-off-white);
}

.faq-list {
    max-width: 900px;
    margin: 60px auto 0;
}

.faq-item {
    background: white;
    border-radius: 12px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 30px;
    cursor: pointer;
    transition: var(--transition);
}

.faq-question:hover {
    background: var(--matcha-pale);
}

.faq-question h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-green);
}

.faq-question i {
    color: var(--primary-green);
    transition: var(--transition);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

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

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 30px 25px;
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.8;
}

/* ===== INDUSTRY CHALLENGES セクション（業界の課題） ===== */
.industry-challenges {
    background: white;
}

.challenges-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-top: 60px;
}

.challenge-card {
    background: var(--bg-off-white);
    padding: 50px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    position: relative;
}

.challenge-number {
    position: absolute;
    top: -20px;
    left: 30px;
    width: 60px;
    height: 60px;
    background: var(--primary-green);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(45, 80, 22, 0.3);
}

.challenge-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 25px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-green);
    font-size: 28px;
    border: 2px solid var(--primary-green);
}

.challenge-card h3 {
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 600;
    color: var(--primary-green);
    text-align: center;
    margin-bottom: 20px;
}

.challenge-intro {
    font-size: 16px;
    color: var(--text-dark);
    line-height: 1.8;
    text-align: center;
    margin-bottom: 30px;
    font-weight: 500;
    padding: 20px;
    background: white;
    border-radius: 8px;
}

.challenge-details {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-top: 30px;
}

.detail-item {
    background: white;
    padding: 25px;
    border-radius: 8px;
    border-left: 4px solid var(--primary-green);
}

.detail-item h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-green);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.detail-item h4 i {
    font-size: 18px;
    color: var(--accent-gold);
}

.detail-item p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 10px;
}

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

.detail-item strong {
    color: var(--primary-green);
    font-weight: 600;
}

.detail-note {
    font-size: 13px;
    color: var(--text-light);
    font-style: italic;
    padding-left: 15px;
    border-left: 2px solid var(--accent-gold);
    margin-top: 10px;
}

.challenge-summary {
    margin-top: 60px;
}

.summary-box {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-light) 100%);
    padding: 40px;
    border-radius: 12px;
    color: white;
    text-align: center;
}

.summary-box h3 {
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.summary-box h3 i {
    font-size: 26px;
    color: var(--accent-gold);
}

.summary-box p {
    font-size: 15px;
    line-height: 1.9;
    opacity: 0.95;
}

/* ===== SUPPLY STRENGTH セクション（安定供給の理由） ===== */
.supply-strength {
    background: var(--bg-off-white);
}

.supply-detail {
    max-width: 1000px;
    margin: 0 auto;
}

.supply-content {
    background: white;
    padding: 60px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.supply-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 30px;
    background: var(--matcha-pale);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-green);
    font-size: 32px;
}

.supply-content h3 {
    font-family: var(--font-serif);
    font-size: 26px;
    font-weight: 600;
    color: var(--primary-green);
    text-align: center;
    margin-bottom: 25px;
}

.supply-content > p {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 1.9;
    margin-bottom: 40px;
    text-align: center;
}

.supply-content strong {
    color: var(--primary-green);
    font-weight: 600;
}

.supply-highlights {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin: 50px 0;
    padding: 40px;
    background: var(--matcha-pale);
    border-radius: 8px;
}

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

.highlight-number {
    font-family: var(--font-serif);
    font-size: 42px;
    font-weight: 700;
    color: var(--primary-green);
    margin-bottom: 10px;
}

.highlight-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-light);
    margin-bottom: 8px;
    letter-spacing: 0.05em;
}

.highlight-desc {
    font-size: 13px;
    color: var(--text-gray);
    line-height: 1.6;
}

.supply-points {
    margin: 40px 0;
}

.supply-points h4 {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-green);
    margin-bottom: 25px;
    text-align: center;
}

.points-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.points-list li {
    display: grid;
    grid-template-columns: 30px 1fr;
    gap: 15px;
    align-items: start;
}

.points-list i {
    color: var(--primary-green);
    font-size: 20px;
    margin-top: 3px;
}

.points-list strong {
    display: block;
    font-size: 15px;
    color: var(--primary-green);
    margin-bottom: 5px;
}

.points-list span {
    display: block;
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.7;
}

.supply-quote {
    margin-top: 40px;
    padding: 30px;
    background: var(--bg-off-white);
    border-radius: 8px;
    border-left: 4px solid var(--primary-green);
    position: relative;
}

.supply-quote i {
    color: var(--accent-gold);
    font-size: 24px;
    opacity: 0.3;
}

.supply-quote i.fa-quote-left {
    position: absolute;
    top: 20px;
    left: 20px;
}

.supply-quote i.fa-quote-right {
    position: absolute;
    bottom: 20px;
    right: 20px;
}

.supply-quote p {
    font-size: 15px;
    color: var(--text-dark);
    line-height: 1.9;
    text-align: center;
    margin: 20px 40px;
    font-weight: 500;
}

/* ===== レスポンシブデザイン ===== */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }

    .container, .nav-container {
        padding: 0 30px;
    }

    .features-grid,
    .products-grid,
    .vision-grid,
    .industries-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

    .about-preview-content,
    .content-split,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .product-detail-card {
        grid-template-columns: 1fr;
    }

    .product-detail-card:nth-child(even) {
        grid-template-columns: 1fr;
    }

    .product-detail-card:nth-child(even) .product-image-large {
        order: 1;
    }

    .assurance-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .supply-highlights {
        grid-template-columns: repeat(3, 1fr);
        padding: 30px;
    }

    .supply-content {
        padding: 40px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }

    /* ナビゲーション */
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: white;
        flex-direction: column;
        padding: 40px;
        gap: 30px;
        transition: left 0.3s ease;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    }

    .nav-menu.active {
        left: 0;
    }

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

    /* ヒーロー */
    .hero {
        min-height: 600px;
    }

    .hero-title {
        font-size: 42px;
    }

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

    .hero-buttons {
        flex-direction: column;
        gap: 15px;
        align-items: center;
        justify-content: center;
        width: 100%;
        padding: 0;
        margin: 0 auto;
    }

    .hero-buttons .btn {
        width: 90%;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
        display: block;
        text-align: center;
    }
    
    .hero-content {
        padding: 0 20px;
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    /* セクション */
    .section-title {
        font-size: 32px;
    }

    .features-grid,
    .products-grid,
    .vision-grid,
    .service-features,
    .terms-grid,
    .industries-grid {
        grid-template-columns: 1fr;
    }

    .coming-soon-box {
        padding: 40px 20px;
    }

    .coming-soon-box h3 {
        font-size: 22px;
    }

    .coming-soon-box > p {
        font-size: 15px;
    }

    .coming-soon-badge {
        font-size: 14px;
        padding: 10px 25px;
    }

    .coming-soon-highlights {
        flex-direction: column;
        gap: 20px;
        align-items: center;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .page-header {
        padding: 140px 0 70px;
    }

    .page-header h1 {
        font-size: 36px;
    }

    .content-block h2,
    .about-preview-text h2,
    .content-text h2 {
        font-size: 28px;
    }

    .flow-step {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 30px;
        text-align: center;
    }

    .step-icon {
        margin: 0 auto;
    }

    .product-detail-card {
        padding: 30px;
        gap: 30px;
    }

    .product-image-large {
        aspect-ratio: 4/3;
    }

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

    .contact-form {
        padding: 30px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .info-row {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .supply-highlights {
        grid-template-columns: 1fr;
        gap: 25px;
        padding: 25px;
    }

    .supply-content {
        padding: 30px 20px;
    }

    .supply-content h3 {
        font-size: 22px;
    }

    .supply-quote p {
        margin: 20px 10px;
        font-size: 14px;
    }

    .points-list li {
        grid-template-columns: 25px 1fr;
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .container, .nav-container {
        padding: 0 20px;
    }

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

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

    .btn {
        padding: 14px 30px;
        font-size: 14px;
    }
}