/* リセットCSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* ヘッダー */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav-brand h1 {
    color: #fff;
    font-size: 1.8rem;
    font-weight: 700;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #00d4ff;
}

/* ファーストビュー */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.6)), url('../images/hero-bg.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    position: relative;
}

.hero-content {
    max-width: 800px;
    padding: 0 20px;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.8rem;
    font-weight: 500;
    margin-bottom: 2rem;
    color: #00d4ff;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 3rem;
    line-height: 1.8;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
}

.hero-description .highlight {
    color: #ffd700;
    font-weight: 700;
    font-size: 1.2rem;
}

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

.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(45deg, #00d4ff, #0099cc);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 212, 255, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.9);
    color: #333;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

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

/* セクション共通スタイル */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.2rem;
    color: #666;
    line-height: 1.6;
}

.mission .section-subtitle {
    color: #ffd700;
    font-weight: 600;
}

.section-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    display: block;
}

/* Mission セクション */
.mission {
    background: linear-gradient(135deg, #1e40af, #3b82f6, #e0f2fe);
    color: white;
    padding: 6rem 0;
    position: relative;
}

.mission::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 0 100 100"><circle cx="20" cy="20" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="40" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="40" cy="80" r="1.5" fill="rgba(255,255,255,0.1)"/></svg>');
    opacity: 0.3;
}

.mission-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 2;
}

.mission-content p {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.mission-highlight {
    font-size: 1.4rem !important;
    font-weight: 700;
    color: #ffd700;
    margin-top: 2rem !important;
}

/* Vision セクション */
.vision {
    background: linear-gradient(135deg, #e0f2fe, #b3e5fc, #81d4fa);
    padding: 6rem 0;
}

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

.vision-content p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: #555;
}

.vision-highlight {
    font-size: 1.3rem !important;
    font-weight: 700;
    color: #4f46e5;
    margin-top: 2rem !important;
}

.vision-image {
    margin-top: 3rem;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.vision-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

/* Value セクション */
.value {
    background: linear-gradient(135deg, #f3e8ff, #e0e7ff, #dbeafe);
    padding: 6rem 0;
}

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

.value-content p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: #555;
}

.value-highlight {
    font-size: 1.3rem !important;
    font-weight: 700;
    color: #059669;
    margin-top: 2rem !important;
}

.value-timeline {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 3rem;
    gap: 2rem;
}

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

.timeline-point {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
}

.timeline-point.today {
    background: #3b82f6;
}

.timeline-point.future {
    background: #10b981;
}

.timeline-line {
    width: 100px;
    height: 2px;
    background: linear-gradient(to right, #3b82f6, #10b981);
    position: relative;
}

.timeline-line::after {
    content: '';
    position: absolute;
    right: -5px;
    top: -3px;
    width: 0;
    height: 0;
    border-left: 8px solid #10b981;
    border-top: 4px solid transparent;
    border-bottom: 4px solid transparent;
}

/* サービスセクション */
.services {
    padding: 6rem 0;
    background: white;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

/* タブレット以下では1列に */
@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
    }
}

.service-card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-left: 5px solid;
}

.service-card:nth-child(1) {
    border-left-color: #3b82f6;
    background: linear-gradient(135deg, #eff6ff, #dbeafe);
}

.service-card:nth-child(2) {
    border-left-color: #10b981;
    background: linear-gradient(135deg, #ecfdf5, #d1fae5);
}

.service-card:nth-child(3) {
    border-left-color: #f59e0b;
    background: linear-gradient(135deg, #fffbeb, #fef3c7);
}

.service-card:nth-child(4) {
    border-left-color: #8b5cf6;
    background: linear-gradient(135deg, #f5f3ff, #ede9fe);
}

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

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.service-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #1f2937;
}

.service-subtitle {
    font-size: 0.9rem;
    color: #6b7280;
    margin-bottom: 1rem;
    font-weight: 600;
}

.service-card p {
    margin-bottom: 1.5rem;
    line-height: 1.6;
    color: #4b5563;
}

.service-card ul {
    list-style: none;
    margin-bottom: 1.5rem;
}

.service-card li {
    padding: 0.3rem 0;
    padding-left: 1.5rem;
    position: relative;
    font-size: 0.9rem;
    color: #4b5563;
}

.service-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
}

.service-link {
    color: #4f46e5;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.service-link:hover {
    color: #3730a3;
}

.services-cta {
    text-align: center;
    padding: 3rem 0;
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    border-radius: 15px;
}

.services-cta p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #4b5563;
}

/* 選ばれる理由セクション */
.reasons {
    padding: 6rem 0;
    background: #e0e0e0;
}

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

.reason-item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.reason-item:hover {
    transform: translateY(-3px);
}

.reason-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.reason-item h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1f2937;
}

.reason-item p {
    color: #4b5563;
    line-height: 1.6;
}

.reasons-footer {
    text-align: center;
    padding: 3rem 0;
}

.reasons-message {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #4b5563;
    max-width: 800px;
    margin: 0 auto;
}

/* Mirai&の「&」に込めた想い */
.ampersand-meaning {
    background: linear-gradient(135deg, #1e293b, #334155);
    color: white;
    padding: 6rem 0;
    text-align: center;
}

.ampersand-content h2 {
    font-size: 2.2rem;
    margin-bottom: 2rem;
    color: #00d4ff;
}

.ampersand-content p {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.ampersand-cta {
    margin-top: 3rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

.ampersand-cta p {
    font-size: 1.1rem;
    color: #ffd700;
    font-weight: 600;
}

/* 会社概要セクション */
.about {
    padding: 6rem 0;
    background: white;
}

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

.info-item {
    display: flex;
    padding: 1.5rem 0;
    border-bottom: 1px solid #e5e7eb;
}

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

.info-item dt {
    font-weight: 700;
    width: 200px;
    color: #374151;
}

.info-item dd {
    flex: 1;
    color: #4b5563;
}

/* お問い合わせセクション */
.contact {
    padding: 6rem 0;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('../images/hero-bg.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    text-align: center;
    color: white;
}

.contact-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    line-height: 1.8;
    color: white;
}

.contact-info {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    max-width: 600px;
    margin: 0 auto;
}

.contact-info p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

/* フッター */
.footer {
    background: #1f2937;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.footer-brand p {
    color: #9ca3af;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #00d4ff;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #374151;
    color: #9ca3af;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.4rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .nav-menu {
        display: none;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .reasons-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .info-item {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .info-item dt {
        width: auto;
        font-weight: 700;
    }
    
    .value-timeline {
        flex-direction: column;
        gap: 1rem;
    }
    
    .timeline-line {
        width: 2px;
        height: 50px;
        transform: rotate(90deg);
    }
}


/* 非表示項目（将来表示可能） */
.hidden-item {
    display: none;
}


/* お問い合わせボタン */
.contact-cta {
    margin: 2rem 0;
}

.contact-btn {
    display: inline-block;
    background-color: white;
    color: #333;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.contact-btn:hover {
    background-color: #f8f9fa;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    color: #333;
}