/* ========================================
   グローバルスタイル
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 落ち着いた紺色ベースのカラー */
    --primary-color: #1e3a5f;
    --primary-dark: #152d4a;
    --secondary-color: #3d5a7f;
    --accent-gold: #c9a961;
    --dark-color: #1a1a1a;
    --gray-dark: #4a4a4a;
    --gray-medium: #6b6b6b;
    --gray-light: #9b9b9b;
    --gray-ultra-light: #e8e8e8;
    --light-gray: #f5f5f5;
    --white: #ffffff;
    --text-color: #333333;
    --text-light: #6b6b6b;
    --border-color: #e0e0e0;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    color: var(--text-color);
    line-height: 1.8;
    overflow-x: hidden;
    background: var(--white);
    letter-spacing: 0.02em;
}

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

/* ========================================
   ボタンスタイル
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 14px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 16px;
    letter-spacing: 0.05em;
    position: relative;
    overflow: hidden;
}

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

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.6s ease;
    z-index: 1;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: var(--primary-dark);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
    z-index: 0;
}

.btn-primary:hover::after {
    width: 300px;
    height: 300px;
}

.btn-primary > * {
    position: relative;
    z-index: 2;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active {
    transform: translateY(-1px) scale(1);
}

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

.btn-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.6s ease;
    z-index: 1;
}

.btn-secondary:hover::before {
    left: 100%;
}

.btn-secondary::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: var(--white);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
    z-index: 0;
}

.btn-secondary:hover::after {
    width: 300px;
    height: 300px;
}

.btn-secondary > * {
    position: relative;
    z-index: 2;
}

.btn-secondary:hover {
    background: transparent;
    color: var(--primary-color);
    border-color: var(--white);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover > * {
    color: var(--primary-color);
}

.btn-secondary:active {
    transform: translateY(-1px) scale(1);
}

/* ボタン内のアイコン */
.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    min-width: 30px;
    min-height: 30px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    font-size: 14px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    padding: 0;
    line-height: 1;
}

.btn-icon i {
    margin: 0;
    padding: 0;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-primary .btn-icon {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

.btn-primary:hover .btn-icon {
    transform: rotate(360deg) scale(1.2);
    background: var(--white);
    color: var(--primary-color);
}

.btn-secondary .btn-icon {
    background: rgba(255, 255, 255, 0.3);
    color: var(--white);
}

.btn-secondary:hover .btn-icon {
    transform: rotate(360deg) scale(1.2);
    background: var(--primary-color);
    color: var(--white);
}

.btn-submit {
    width: 100%;
    padding: 15px 30px;
    font-size: 18px;
}

/* ========================================
   ヘッダー・ナビゲーション
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow);
    z-index: 1000;
}

.nav {
    padding: 15px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.logo img {
    height: 40px;
    width: auto;
    display: block;
}

.logo span {
    display: none; /* テキストロゴを非表示 */
}

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

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--dark-color);
    border-radius: 2px;
    transition: all 0.3s ease;
}

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

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 400;
    padding: 8px 20px;
    border-radius: 0;
    transition: all 0.3s ease;
    position: relative;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-link span {
    position: relative;
}

.nav-link span::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    width: 0;
    height: 1px;
    background: var(--primary-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link i {
    font-size: 10px;
    opacity: 0;
    transform: translateX(-8px);
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link:hover span::after {
    width: 100%;
}

.nav-link:hover i {
    opacity: 1;
    transform: translateX(0);
    animation: navArrowSlide 0.6s ease infinite;
}

@keyframes navArrowSlide {
    0%, 100% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(4px);
    }
}

/* ========================================
   ヒーローセクション（スライドショー）
   ======================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    background: linear-gradient(135deg, #1e3a5f 0%, #152d4a 100%);
    margin-top: 70px;
    overflow: hidden;
}

/* スライド */
.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1s ease, visibility 1s ease;
    z-index: 2;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
}

/* スライドの背景画像 */
.hero-slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 0;
}

/* 背景画像がない場合のデフォルトグラデーション */
.hero-slide:not([data-bg-image]:not([data-bg-image=""])) .hero-slide-bg {
    background: linear-gradient(135deg, #1e3a5f 0%, #152d4a 100%);
}

/* デフォルトグラデーション用の装飾パターン */
.hero-slide:not([data-bg-image]:not([data-bg-image=""])) .hero-slide-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><circle cx="100" cy="100" r="80" fill="rgba(255,255,255,0.05)"/><circle cx="1000" cy="400" r="100" fill="rgba(255,255,255,0.03)"/><circle cx="600" cy="200" r="60" fill="rgba(255,255,255,0.04)"/></svg>');
    background-size: cover;
}

/* オーバーレイ（暗くして文字を読みやすく） */
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: var(--white);
    width: 100%;
}

.hero-title {
    font-size: 56px;
    font-weight: 300;
    margin-bottom: 30px;
    line-height: 1.4;
    letter-spacing: 0.05em;
}

.hero-slide.active .hero-title {
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 18px;
    margin-bottom: 50px;
    opacity: 0.9;
    font-weight: 300;
    letter-spacing: 0.08em;
    line-height: 1.8;
}

.hero-slide.active .hero-subtitle {
    animation: fadeInUp 1s ease 0.2s backwards;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.hero-slide.active .hero-buttons {
    animation: fadeInUp 1s ease 0.4s backwards;
}

/* スライドナビゲーションボタン */
.hero-navigation {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 30px;
    z-index: 10;
    pointer-events: none;
}

.hero-nav-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.5);
    color: var(--white);
    font-size: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    pointer-events: all;
    backdrop-filter: blur(5px);
}

.hero-nav-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: var(--white);
    transform: scale(1.1);
}

/* スライドインジケーター */
.hero-indicators {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
}

.indicator:hover {
    background: rgba(255, 255, 255, 0.6);
    transform: scale(1.2);
}

.indicator.active {
    background: var(--white);
    width: 30px;
    border-radius: 6px;
}

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

/* ========================================
   セクション共通スタイル
   ======================================== */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--gray-medium);
    margin-bottom: 50px;
}

/* ========================================
   事業内容セクション
   ======================================== */
.services {
    background: var(--light-gray);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 35px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    position: relative;
    text-align: center;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.service-card.main-service {
    border-top: 4px solid var(--primary-color);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 36px;
    color: var(--white);
    box-shadow: 0 4px 12px rgba(30, 58, 95, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-icon::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 70%);
    transform: scale(0);
    transition: transform 0.5s ease;
}

.service-card:hover .service-icon::before {
    transform: scale(1);
}

.service-card:hover .service-icon {
    transform: translateY(-5px) rotate(5deg);
    box-shadow: 0 8px 20px rgba(30, 58, 95, 0.35);
}

.service-title {
    font-size: 20px;
    font-weight: 500;
    margin-bottom: 20px;
    color: var(--dark-color);
    letter-spacing: 0.08em;
    text-align: center;
}

.service-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 15px;
}

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

.service-badge.main {
    background: #dbeafe;
    color: var(--primary-color);
}

.service-badge.sub {
    background: #d1fae5;
    color: var(--secondary-color);
}

.service-description {
    color: var(--text-light);
    line-height: 2;
    font-weight: 300;
    letter-spacing: 0.03em;
    margin-bottom: 20px;
}

/* サービスカード内ボタン */
.service-card-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 28px;
    background: var(--white);
    color: var(--primary-color);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.05em;
    border: 2px solid var(--primary-color);
    border-radius: 50px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    margin-top: 10px;
}

.service-card-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(30, 58, 95, 0.1), transparent);
    transition: left 0.6s ease;
}

.service-card-button:hover::before {
    left: 100%;
}

.service-card-button::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: var(--primary-color);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
    z-index: 0;
}

.service-card-button:hover::after {
    width: 300px;
    height: 300px;
}

.service-card-button > span:first-child,
.service-card-button .icon-circle {
    position: relative;
    z-index: 2;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-card-button .icon-circle {
    width: 26px;
    height: 26px;
    min-width: 26px;
    min-height: 26px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    padding: 0;
    line-height: 1;
}

.service-card-button .icon-circle i {
    font-size: 12px;
    margin: 0;
    padding: 0;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-card-button:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 6px 20px rgba(30, 58, 95, 0.25);
    border-color: var(--primary-color);
}

.service-card-button:hover > span:first-child {
    color: var(--white);
}

.service-card-button:hover .icon-circle {
    transform: rotate(360deg) scale(1.1);
    background: var(--white);
    color: var(--primary-color);
}

.service-card-button:active {
    transform: translateY(-1px) scale(1);
}

/* サービスカード内の画像 */
.service-image {
    width: 100%;
    max-width: 300px;
    margin: 0 auto 25px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.service-card:hover .service-image img {
    transform: scale(1.05);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

/* ========================================
   体験会場セクション
   ======================================== */
.experience {
    background: var(--white);
}

.experience-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-top: 40px;
}

.info-card {
    background: var(--light-gray);
    padding: 25px;
    border-radius: 10px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.info-card:hover {
    background: var(--white);
    box-shadow: var(--shadow);
}

.info-card i {
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.info-card h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.info-card p {
    color: var(--gray-medium);
    line-height: 1.7;
    margin-bottom: 20px;
}

/* カード内ボタン */
.card-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 28px;
    background: var(--white);
    color: var(--primary-color);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.05em;
    border: 2px solid var(--primary-color);
    border-radius: 50px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    margin-top: 5px;
}

.card-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(30, 58, 95, 0.1), transparent);
    transition: left 0.6s ease;
}

.card-button:hover::before {
    left: 100%;
}

.card-button::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: var(--primary-color);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
    z-index: 0;
}

.card-button:hover::after {
    width: 300px;
    height: 300px;
}

.card-button span,
.card-button i {
    position: relative;
    z-index: 2;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-button i {
    width: 26px;
    height: 26px;
    min-width: 26px;
    min-height: 26px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    font-size: 12px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    padding: 0;
    margin: 0;
    line-height: 1;
}

.card-button:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 6px 20px rgba(30, 58, 95, 0.25);
    border-color: var(--primary-color);
}

.card-button:hover span {
    color: var(--white);
}

.card-button:hover i {
    transform: rotate(360deg) scale(1.1);
    background: var(--white);
    color: var(--primary-color);
}

.card-button:active {
    transform: translateY(-1px) scale(1);
}

.experience-features {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    padding: 40px;
    border-radius: 12px;
    color: var(--white);
}

.experience-features h3 {
    font-size: 24px;
    margin-bottom: 25px;
}

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

.features-list li {
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: 15px;
}

.features-list li:last-child {
    border-bottom: none;
}

.features-list i {
    color: var(--secondary-color);
}

/* CTA申し込みボタン */
.cta-button-wrapper {
    margin-top: 40px;
    text-align: center;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    padding: 18px 40px;
    background: var(--white);
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    letter-spacing: 0.05em;
    border-radius: 50px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.3);
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.6s ease;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.cta-button:hover::after {
    width: 300px;
    height: 300px;
}

.cta-button-text {
    position: relative;
    z-index: 2;
}

.cta-button-icon {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    min-width: 30px;
    min-height: 30px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    padding: 0;
    line-height: 1;
}

.cta-button-icon i {
    margin: 0;
    padding: 0;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cta-button:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.5);
}

.cta-button:hover .cta-button-icon {
    transform: rotate(360deg) scale(1.2);
    background: var(--white);
    color: var(--primary-color);
}

.cta-button:active {
    transform: translateY(-1px) scale(1.02);
}

/* ========================================
   お問い合わせセクション
   ======================================== */
.contact {
    background: var(--light-gray);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
    margin-top: 40px;
}

.contact-info h3 {
    font-size: 24px;
    margin-bottom: 30px;
    color: var(--dark-color);
}

.contact-method {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    padding: 20px;
    background: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.contact-method i {
    font-size: 28px;
    color: var(--primary-color);
    flex-shrink: 0;
}

.contact-method h4 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--dark-color);
}

.contact-method p {
    color: var(--gray-color);
    font-size: 14px;
}

.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

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

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark-color);
}

.required {
    color: #ef4444;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    font-family: 'Noto Sans JP', sans-serif;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

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

.form-message {
    margin-top: 20px;
    padding: 15px;
    border-radius: 8px;
    display: none;
    font-weight: 500;
}

.form-message.success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #10b981;
    display: block;
}

.form-message.error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #ef4444;
    display: block;
}

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

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

.footer-section h3 {
    margin-bottom: 20px;
    font-weight: 500;
    font-size: 20px;
}

.footer-section h4 {
    margin-bottom: 20px;
    font-weight: 400;
    font-size: 16px;
    letter-spacing: 0.08em;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding-bottom: 12px;
}

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

.footer-section li {
    margin-bottom: 12px;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 300;
    letter-spacing: 0.03em;
}

/* フッターリンク（動く矢印付き） */
.footer-links li {
    margin-bottom: 0;
}

.footer-links a {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    padding: 10px 0;
    transition: all 0.3s ease;
    position: relative;
    overflow: visible;
}

.footer-links a::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 1px;
    background: var(--white);
    transition: width 0.3s ease;
}

.footer-links a i {
    font-size: 12px;
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 5px;
}

.footer-links a:hover::before {
    width: 100%;
}

.footer-links a:hover i {
    opacity: 1;
    transform: translateX(0);
    animation: arrowSlide 0.6s ease infinite;
}

@keyframes arrowSlide {
    0%, 100% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(5px);
    }
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding-top: 30px;
    margin-top: 30px;
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
    font-weight: 300;
    letter-spacing: 0.05em;
}

/* ========================================
   レスポンシブデザイン
   ======================================== */
/* タブレット */
@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: 1fr 1fr 1fr;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    /* ロゴ */
    .logo img {
        height: 32px;
    }

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

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        flex-direction: column;
        background: var(--white);
        padding: 20px;
        box-shadow: var(--shadow);
        transition: left 0.3s ease;
        gap: 10px;
    }

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

    .nav-link {
        width: 100%;
        justify-content: space-between;
        padding: 15px 20px;
        border-bottom: 1px solid var(--light-gray);
    }

    .nav-link:last-child {
        border-bottom: none;
    }

    .nav-link span::after {
        display: none;
    }

    .nav-link i {
        opacity: 0.3;
        transform: translateX(0);
    }

    .nav-link:hover i,
    .nav-link:active i {
        opacity: 1;
        animation: navArrowSlide 0.6s ease infinite;
    }

    /* ヒーローセクション */
    .hero-title {
        font-size: 32px;
    }

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

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }

    /* スライドナビゲーション */
    .hero-navigation {
        padding: 0 15px;
    }

    .hero-nav-btn {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }

    .hero-indicators {
        bottom: 25px;
    }

    /* セクション */
    .section-title {
        font-size: 28px;
    }

    .section-subtitle {
        font-size: 16px;
    }

    /* サービスグリッド */
    .services-grid {
        grid-template-columns: 1fr;
    }

    /* 体験会場 */
    .experience-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    /* お問い合わせ */
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 30px;
    }

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

    .contact-form {
        padding: 25px;
    }

    /* フッター */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 26px;
    }

    .hero-subtitle {
        font-size: 14px;
    }

    .service-card {
        padding: 25px;
    }

    .contact-method {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ========================================
   会社概要ページスタイル
   ======================================== */
.page-header {
    background: linear-gradient(135deg, #1e3a5f 0%, #152d4a 100%);
    padding: 120px 0 80px;
    text-align: center;
    color: var(--white);
    margin-top: 70px;
}

.page-title {
    font-size: 52px;
    font-weight: 300;
    margin-bottom: 15px;
    letter-spacing: 0.15em;
}

.page-subtitle {
    font-size: 16px;
    opacity: 0.7;
    font-weight: 300;
    letter-spacing: 0.3em;
    text-transform: uppercase;
}

/* 会社情報 */
.company-info {
    padding: 80px 0;
    background: var(--white);
}

.info-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

.info-item {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 30px;
    padding: 25px;
    background: var(--light-gray);
    border-radius: 10px;
    align-items: start;
}

.info-label {
    font-weight: 700;
    color: var(--dark-color);
    font-size: 16px;
}

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

.sub-text {
    font-size: 14px;
    color: var(--gray-color);
}

/* 沿革 */
.history {
    padding: 80px 0;
    background: var(--light-gray);
}

.timeline {
    max-width: 800px;
    margin: 40px auto 0;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 120px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary-color);
}

.timeline-item {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 40px;
    margin-bottom: 40px;
    position: relative;
}

.timeline-year {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 18px;
    text-align: right;
    padding-top: 5px;
}

.timeline-content {
    background: var(--white);
    padding: 25px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    position: relative;
}

.timeline-content::before {
    content: '';
    position: absolute;
    left: -20px;
    top: 30px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary-color);
    border: 3px solid var(--white);
    box-shadow: 0 0 0 3px var(--primary-color);
}

.timeline-content h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.timeline-content p {
    color: var(--gray-medium);
    line-height: 1.7;
}

/* アクセス */
.access {
    padding: 80px 0;
    background: var(--white);
}

.access-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-top: 40px;
}

.access-card {
    background: var(--light-gray);
    padding: 25px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.access-card i {
    font-size: 28px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.access-card h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.access-card p {
    color: var(--gray-medium);
    line-height: 1.8;
}

.map-placeholder {
    background: var(--light-gray);
    border-radius: 12px;
    height: 100%;
    min-height: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--gray-color);
}

.map-placeholder i {
    font-size: 64px;
    margin-bottom: 20px;
    color: var(--primary-color);
    opacity: 0.6;
}

/* Google Map iframe用のレスポンシブ対応 */
.map-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9のアスペクト比 */
    height: 0;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.map-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
    border-radius: 12px;
}

/* 企業理念 */
.philosophy {
    padding: 80px 0;
    background: var(--light-gray);
}

.philosophy-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.philosophy-card {
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.philosophy-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.philosophy-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.philosophy-icon i {
    font-size: 36px;
    color: var(--white);
}

.philosophy-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.philosophy-card p {
    color: var(--gray-medium);
    line-height: 1.8;
}

/* 会社概要ページのレスポンシブ */
@media (max-width: 768px) {
    .page-title {
        font-size: 32px;
    }

    .page-subtitle {
        font-size: 16px;
    }

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

    .timeline {
        padding-left: 30px;
    }

    .timeline::before {
        left: 0;
    }

    .timeline-item {
        grid-template-columns: 1fr;
        gap: 5px;
        margin-bottom: 30px;
        margin-left: 0;
    }

    .timeline-year {
        text-align: left;
        padding-top: 0;
        padding-left: 20px;
        margin-bottom: 10px;
        font-size: 16px;
    }

    .timeline-content {
        margin-left: 20px;
        padding: 20px;
    }

    .timeline-content::before {
        left: -26px;
        top: 20px;
        width: 10px;
        height: 10px;
    }

    .access-content {
        grid-template-columns: 1fr;
    }

    .philosophy-content {
        grid-template-columns: 1fr;
    }
}