/* ==========================================
   Style Vision Corporate Website
   デザインコンセプト: 自然とテクノロジーの調和
   ========================================== */

/* ==========================================
   リセット & 基本設定
   ========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    scroll-padding-top: 90px;
}

body {
    font-family: 'Noto Sans JP', 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', sans-serif;
    color: #1a1a1a;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* ==========================================
   カラーシステム（ロゴベース）
   ========================================== */
:root {
    /* メインカラー（グラデーション） */
    --color-navy: #1e3a5f;
    --color-blue: #2563a8;
    --color-cyan: #00a8cc;
    --color-turquoise: #00c8c8;
    --color-teal: #00b8a0;
    --color-green: #4ecdc4;
    
    /* アクセントカラー */
    --color-light-green: #7fefdd;
    --color-aqua: #a7f3d0;
    
    /* ニュートラルカラー */
    --color-white: #ffffff;
    --color-light-gray: #f8fafb;
    --color-gray: #e5e7eb;
    --color-dark-gray: #6b7280;
    --color-black: #1a1a1a;
    
    /* グラデーション */
    --gradient-primary: linear-gradient(135deg, var(--color-navy) 0%, var(--color-cyan) 50%, var(--color-green) 100%);
    --gradient-overlay: linear-gradient(135deg, rgba(30, 58, 95, 0.9) 0%, rgba(0, 168, 204, 0.8) 100%);
    --gradient-subtle: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(127, 239, 221, 0.1) 100%);
    
    /* スペーシング */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* タイポグラフィ */
    --font-display: 'Outfit', 'Noto Sans JP', sans-serif;
    --font-body: 'Noto Sans JP', sans-serif;
    
    /* トランジション */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* シャドウ */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.2);
}

/* ==========================================
   共通コンポーネント
   ========================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
}

/* ボタン */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.5rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 50px;
    transition: all var(--transition-normal);
    cursor: pointer;
    border: none;
    font-family: var(--font-body);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

/* セクション共通 */
section {
    padding: var(--spacing-xl) 0;
}

@media (max-width: 768px) {
    section {
        padding: var(--spacing-lg) 0;
    }
}

.section-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-cyan);
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }
}

.section-description {
    font-size: 1.125rem;
    color: var(--color-dark-gray);
    line-height: 1.8;
    max-width: 800px;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.bg-light {
    background: linear-gradient(180deg, #e8eaeb 0%, #ffffff 100%);
}

/* ==========================================
   ナビゲーション
   ========================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem var(--spacing-md);
}

.logo img {
    height: 50px;
    width: auto;
    transition: transform var(--transition-normal);
}

.logo:hover img {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-menu a {
    text-decoration: none;
    color: var(--color-navy);
    font-weight: 500;
    font-size: 1rem;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-normal);
}

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

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

/* ハンバーガーメニュー */
.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--color-navy);
    transition: all var(--transition-normal);
    border-radius: 2px;
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        right: -100%;
        flex-direction: column;
        background: var(--color-white);
        width: 100%;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        transition: right var(--transition-normal);
        gap: 1.5rem;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(7px, 7px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
}

/* ==========================================
   ヒーローセクション
   ========================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-top: 70px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-overlay);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: var(--color-white);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .hero {
        min-height: 500px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
}

/* アニメーション */
.fade-in {
    animation: fadeIn 1s ease-out;
}

.fade-in-delay {
    animation: fadeIn 1s ease-out 0.3s both;
}

.fade-in-delay-2 {
    animation: fadeIn 1s ease-out 0.6s both;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* スクロールインジケーター */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}

.scroll-indicator span {
    display: block;
    width: 2px;
    height: 40px;
    background: var(--color-white);
    animation: scrollAnimation 2s infinite;
}

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

/* ==========================================
   ビジョンセクション
   ========================================== */
.vision-section {
    position: relative;
    background: var(--gradient-primary);
    color: var(--color-white);
    overflow: hidden;
}

.vision-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(30, 58, 95, 0.95) 0%, rgba(0, 168, 204, 0.9) 50%, rgba(78, 205, 196, 0.85) 100%);
    z-index: 1;
}

.vision-section .container {
    position: relative;
    z-index: 2;
}

.vision-section .section-label {
    color: var(--color-light-green);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.vision-section .section-title {
    color: var(--color-white);
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
}

.vision-section .section-description {
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 1px 10px rgba(0, 0, 0, 0.3);
    max-width: 800px;
    margin: 0 auto;
}

/* ==========================================
   事業領域セクション（Homeページ）
   ========================================== */
.services-section {
    background: linear-gradient(180deg, #e8eaeb 0%, #ffffff 100%);
    position: relative;
}

.services-section .section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.services-section .section-label {
    color: var(--color-cyan);
    font-weight: 700;
}

.services-section .section-title {
    color: var(--color-navy);
    text-shadow: none;
}

/* 事業領域カード */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.service-card {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    border: 1px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-cyan);
}

.service-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 15px;
    margin-bottom: var(--spacing-sm);
}

.service-icon svg {
    width: 32px;
    height: 32px;
    stroke: var(--color-white);
}

.service-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-navy);
    margin-bottom: var(--spacing-sm);
}

.service-description {
    color: var(--color-dark-gray);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

.service-link {
    display: inline-flex;
    align-items: center;
    color: var(--color-cyan);
    font-weight: 600;
    text-decoration: none;
    transition: transform var(--transition-fast);
}

.service-link:hover {
    transform: translateX(5px);
}

/* ==========================================
   CTAセクション
   ========================================== */
.cta-section {
    background: var(--gradient-primary);
    color: var(--color-white);
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.cta-description {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.95;
}

@media (max-width: 768px) {
    .cta-title {
        font-size: 2rem;
    }
    
    .cta-description {
        font-size: 1.125rem;
    }
}

/* ==========================================
   フッター
   ========================================== */
.footer {
    background: var(--color-navy);
    color: var(--color-white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.footer-logo img {
    height: 60px;
    margin-bottom: var(--spacing-sm);
}

.footer-company-name {
    font-size: 0.875rem;
    opacity: 0.8;
}

.footer-nav {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.footer-nav-section h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-light-green);
}

.footer-nav-section ul {
    list-style: none;
}

.footer-nav-section li {
    margin-bottom: 0.5rem;
}

.footer-nav-section a {
    color: var(--color-white);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity var(--transition-fast);
    font-size: 0.875rem;
}

.footer-nav-section a:hover {
    opacity: 1;
    color: var(--color-light-green);
}

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

.footer-bottom p {
    font-size: 0.875rem;
    opacity: 0.7;
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
    }
}

/* ==========================================
   ページヒーロー（サブページ用）
   ========================================== */
.page-hero {
    background: var(--gradient-primary);
    color: var(--color-white);
    text-align: center;
    padding: 8rem 0 4rem;
    margin-top: 70px;
}

.page-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.page-subtitle {
    font-size: 1.25rem;
    font-weight: 300;
    opacity: 0.9;
}

@media (max-width: 768px) {
    .page-hero {
        padding: 6rem 0 3rem;
    }
    
    .page-title {
        font-size: 2.5rem;
    }
}

/* ==========================================
   サービス詳細ページ
   ========================================== */
.service-detail-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(180deg, #e8eaeb 0%, #ffffff 100%);
}

.service-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.service-detail.reverse {
    direction: rtl;
}

.service-detail.reverse > * {
    direction: ltr;
}

.service-number {
    display: inline-block;
    font-size: 4rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.3;
    line-height: 1;
}

.service-detail-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: var(--spacing-sm);
}

.service-detail-lead {
    font-size: 1.125rem;
    color: var(--color-dark-gray);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.feature-item {
    display: flex;
    gap: var(--spacing-sm);
}

.feature-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 200, 200, 0.1), rgba(78, 205, 196, 0.1));
    border-radius: 12px;
}

.feature-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--color-cyan);
}

.feature-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-navy);
    margin-bottom: 0.25rem;
}

.feature-content p {
    font-size: 0.938rem;
    color: var(--color-dark-gray);
    line-height: 1.6;
}

.service-detail-image {
    height: 100%;
    min-height: 400px;
}

.service-image-placeholder {
    width: 100%;
    height: 100%;
    border-radius: 20px;
    background-size: cover;
    background-position: center;
    box-shadow: var(--shadow-lg);
}

.fintech-bg {
    background-color: #2563a8;
    background-image: 
        repeating-linear-gradient(0deg, transparent, transparent 19px, rgba(255,255,255,0.12) 19px, rgba(255,255,255,0.12) 20px),
        repeating-linear-gradient(90deg, transparent, transparent 19px, rgba(255,255,255,0.12) 19px, rgba(255,255,255,0.12) 20px),
        radial-gradient(circle at 25% 20%, rgba(255,255,255,0.18) 0%, rgba(255,255,255,0.08) 15%, transparent 25%),
        radial-gradient(circle at 75% 50%, rgba(255,255,255,0.15) 0%, rgba(255,255,255,0.06) 12%, transparent 20%),
        radial-gradient(circle at 20% 80%, rgba(255,255,255,0.12) 0%, rgba(255,255,255,0.04) 10%, transparent 18%),
        linear-gradient(135deg, rgba(30, 58, 95, 0.95), rgba(0, 168, 204, 0.85));
    background-size: 100% 100%;
    position: relative;
}

.ai-bg {
    background-color: #00a8cc;
    background-image:
        radial-gradient(circle at 50% 50%, rgba(255,255,255,0.25) 0%, rgba(255,255,255,0.1) 8%, transparent 12%),
        radial-gradient(circle at 50% 50%, transparent 14%, rgba(255,255,255,0.15) 15%, rgba(255,255,255,0.08) 16%, transparent 25%),
        radial-gradient(circle at 50% 50%, transparent 29%, rgba(255,255,255,0.12) 30%, rgba(255,255,255,0.06) 31%, transparent 40%),
        radial-gradient(circle at 50% 50%, transparent 44%, rgba(255,255,255,0.1) 45%, rgba(255,255,255,0.04) 46%, transparent 55%),
        radial-gradient(circle at 50% 10%, rgba(255,255,255,0.2) 0%, transparent 3%),
        radial-gradient(circle at 50% 90%, rgba(255,255,255,0.2) 0%, transparent 3%),
        radial-gradient(circle at 10% 50%, rgba(255,255,255,0.2) 0%, transparent 3%),
        radial-gradient(circle at 90% 50%, rgba(255,255,255,0.2) 0%, transparent 3%),
        linear-gradient(135deg, rgba(0, 168, 204, 0.95), rgba(78, 205, 196, 0.85));
    background-size: 100% 100%;
    position: relative;
}

.consulting-bg {
    background-color: #00b8a0;
    background-image:
        repeating-linear-gradient(45deg, transparent, transparent 28px, rgba(255,255,255,0.08) 28px, rgba(255,255,255,0.08) 32px, transparent 32px, transparent 60px),
        repeating-linear-gradient(-45deg, transparent, transparent 28px, rgba(255,255,255,0.08) 28px, rgba(255,255,255,0.08) 32px, transparent 32px, transparent 60px),
        radial-gradient(circle at 18% 20%, rgba(255,255,255,0.2) 0%, rgba(255,255,255,0.1) 8%, transparent 12%),
        radial-gradient(circle at 82% 20%, rgba(255,255,255,0.18) 0%, rgba(255,255,255,0.08) 8%, transparent 12%),
        radial-gradient(circle at 18% 80%, rgba(255,255,255,0.22) 0%, rgba(255,255,255,0.12) 8%, transparent 12%),
        radial-gradient(circle at 82% 80%, rgba(255,255,255,0.18) 0%, rgba(255,255,255,0.08) 8%, transparent 12%),
        linear-gradient(20deg, transparent 48%, rgba(255,255,255,0.12) 49%, rgba(255,255,255,0.12) 51%, transparent 52%),
        linear-gradient(135deg, rgba(0, 184, 160, 0.95), rgba(127, 239, 221, 0.85));
    background-size: 100% 100%;
    position: relative;
}

.content-bg {
    background-color: #4ecdc4;
    background-image:
        linear-gradient(30deg, transparent 35%, rgba(255,255,255,0.15) 36%, rgba(255,255,255,0.15) 64%, transparent 65%),
        linear-gradient(150deg, transparent 35%, rgba(255,255,255,0.15) 36%, rgba(255,255,255,0.15) 64%, transparent 65%),
        radial-gradient(circle at 50% 12%, rgba(255,255,255,0.3) 0%, rgba(255,255,255,0.15) 4%, transparent 6%),
        radial-gradient(circle at 12% 88%, rgba(255,255,255,0.3) 0%, rgba(255,255,255,0.15) 4%, transparent 6%),
        radial-gradient(circle at 88% 88%, rgba(255,255,255,0.3) 0%, rgba(255,255,255,0.15) 4%, transparent 6%),
        radial-gradient(ellipse at 50% 45%, rgba(255,255,255,0.15) 0%, rgba(255,255,255,0.08) 20%, transparent 35%),
        repeating-linear-gradient(0deg, transparent, transparent 8px, rgba(255,255,255,0.06) 8px, rgba(255,255,255,0.06) 9px),
        linear-gradient(135deg, rgba(78, 205, 196, 0.95), rgba(127, 239, 221, 0.85));
    background-size: 100% 100%;
    position: relative;
}

@media (max-width: 968px) {
    .service-detail {
        grid-template-columns: 1fr;
    }
    
    .service-detail.reverse {
        direction: ltr;
    }
    
    .service-detail-image {
        min-height: 300px;
    }
}

/* ==========================================
   Aboutページ
   ========================================== */
.philosophy-section {
    padding: var(--spacing-xl) 0;
    text-align: center;
    background: linear-gradient(180deg, #e8eaeb 0%, #ffffff 100%);
}

.philosophy-content {
    max-width: 900px;
    margin: 0 auto;
}

.philosophy-main {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
}

.philosophy-description {
    font-size: 1.125rem;
    color: var(--color-dark-gray);
    line-height: 2;
}

@media (max-width: 768px) {
    .philosophy-main {
        font-size: 1.75rem;
    }
    
    .philosophy-description {
        font-size: 1rem;
    }
}

/* ミッション・ビジョン */
.mv-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.mv-card {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.mv-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.mv-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 20px;
}

.mv-icon svg {
    width: 40px;
    height: 40px;
    stroke: var(--color-white);
}

.mv-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-navy);
    margin-bottom: var(--spacing-sm);
}

.mv-card p {
    font-size: 1rem;
    color: var(--color-dark-gray);
    line-height: 1.8;
}

/* 沿革タイムライン */
.history-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(180deg, #e8eaeb 0%, #ffffff 100%);
}

.timeline {
    max-width: 900px;
    margin: var(--spacing-lg) auto 0;
    position: relative;
    padding-left: var(--spacing-md);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gradient-primary);
}

.timeline-item {
    position: relative;
    padding-bottom: var(--spacing-lg);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -35px;
    top: 8px;
    width: 15px;
    height: 15px;
    background: var(--color-cyan);
    border-radius: 50%;
    border: 3px solid var(--color-white);
    box-shadow: 0 0 0 3px var(--color-cyan);
}

.timeline-date {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    margin-bottom: var(--spacing-xs);
}

.timeline-date .year {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-cyan);
}

.timeline-date .month {
    font-size: 1rem;
    color: var(--color-dark-gray);
}

.timeline-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-navy);
    margin-bottom: 0.5rem;
}

.timeline-content p {
    font-size: 1rem;
    color: var(--color-dark-gray);
    line-height: 1.7;
}

/* 会社情報 */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.info-item {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
}

.info-item dt {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-cyan);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.info-item dd {
    font-size: 1rem;
    color: var(--color-navy);
    line-height: 1.7;
}

/* ==========================================
   Contactページ
   ========================================== */
.contact-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(180deg, #e8eaeb 0%, #ffffff 100%);
}

.contact-intro {
    text-align: center;
    font-size: 1.125rem;
    color: var(--color-dark-gray);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info-box,
.contact-guide {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
}

.contact-info-box h2,
.contact-guide h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-navy);
    margin-bottom: var(--spacing-md);
}

.contact-method {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-gray);
}

.contact-method:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.contact-method-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 200, 200, 0.1), rgba(78, 205, 196, 0.1));
    border-radius: 12px;
}

.contact-method-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--color-cyan);
}

.contact-method-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-navy);
    margin-bottom: 0.5rem;
}

.contact-method-content p {
    font-size: 1rem;
    color: var(--color-dark-gray);
    line-height: 1.7;
}

.contact-email a {
    color: var(--color-cyan);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-fast);
}

.contact-email a:hover {
    color: var(--color-navy);
}

.contact-note {
    font-size: 0.875rem !important;
    color: var(--color-dark-gray) !important;
    margin-top: 0.5rem;
}

.guide-section {
    margin-bottom: var(--spacing-md);
}

.guide-section:last-child {
    margin-bottom: 0;
}

.guide-section h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-navy);
    margin-bottom: var(--spacing-sm);
}

.guide-list {
    list-style: none;
}

.guide-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    font-size: 0.938rem;
    color: var(--color-dark-gray);
}

.guide-list svg {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    stroke: var(--color-cyan);
    margin-top: 2px;
}

.flow-steps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.flow-step {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
}

.flow-number {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--color-white);
    border-radius: 50%;
    font-weight: 700;
    font-size: 1.125rem;
}

.flow-content h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-navy);
    margin-bottom: 0.25rem;
}

.flow-content p {
    font-size: 0.875rem;
    color: var(--color-dark-gray);
    line-height: 1.6;
}

.contact-note-box {
    background: var(--color-light-gray);
    padding: var(--spacing-sm);
    border-radius: 10px;
    margin-top: var(--spacing-sm);
}

.contact-note-box h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-navy);
    margin-bottom: 0.5rem;
}

.contact-note-box ul {
    list-style: none;
    padding-left: 0;
}

.contact-note-box li {
    font-size: 0.875rem;
    color: var(--color-dark-gray);
    line-height: 1.6;
    margin-bottom: 0.5rem;
    padding-left: 1rem;
    position: relative;
}

.contact-note-box li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-cyan);
}

@media (max-width: 968px) {
    .contact-content {
        grid-template-columns: 1fr;
    }
}

/* ==========================================
   ユーティリティクラス
   ========================================== */
.text-center {
    text-align: center;
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ==========================================
   お問い合わせフォーム
   ========================================== */
.inquiry-form {
    width: 100%;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-navy);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    font-size: 1rem;
    border: 1px solid var(--color-gray);
    border-radius: 8px;
    background: var(--color-light-gray);
    transition: all var(--transition-fast);
    font-family: var(--font-body);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-cyan);
    background: var(--color-white);
    box-shadow: 0 0 0 3px rgba(0, 168, 204, 0.1);
}

.form-group textarea {
    min-height: 200px;
    resize: vertical;
}

.form-submit {
    text-align: center;
    margin-top: var(--spacing-md);
}

.contact-form-link {
    display: inline-block;
    margin-top: 0.5rem;
    color: var(--color-cyan);
    font-weight: 600;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.contact-form-link:hover {
    color: var(--color-navy);
    text-decoration: underline;
}