@charset "UTF-8";

/* ==========================================================================
   1. リセット & 変数設定
   ========================================================================== */
:root {
    --primary: #0f172a;        /* 深みのあるダークネイビー */
    --accent: #2563eb;         /* 鮮やかなプロブルー */
    --accent-hover: #1d4ed8;
    --gradient: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
    --text-main: #334155;
    --text-muted: #64748b;
    --bg-light: #f8fafc;
    --border: #e2e8f0;
    --radius: 16px;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: 'Noto Sans JP', sans-serif;
    color: var(--text-main);
    background-color: #ffffff;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    word-wrap: break-word;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.pc-only { display: block; }
.sp-only { display: none; }

@media (max-width: 768px) {
    .pc-only { display: none; }
    .sp-only { display: block; }
}

/* 共通レイアウト */
.section-padding {
    padding: 100px 20px;
}

.bg-light {
    background-color: var(--bg-light);
}

.section-container {
    max-width: 1140px;
    margin: 0 auto;
}

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

.en-title {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 13px;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.2em;
    display: block;
    margin-bottom: 8px;
}

.jp-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
}

/* ==========================================================================
   2. ヘッダー
   ========================================================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
}

.header-inner {
    max-width: 1200px;
    height: 100%;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand-logo {
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.logo-text {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 24px;
    font-weight: 800;
    color: var(--primary);
}

.logo-sub {
    font-size: 12px;
    font-weight: 700;
    color: var(--accent);
}

.desktop-nav ul {
    display: flex;
    gap: 32px;
}

.desktop-nav a {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-main);
    transition: color 0.2s;
}

.desktop-nav a:hover, .desktop-nav a.active {
    color: var(--accent);
}

.header-cta-btn {
    background: var(--accent);
    color: #ffffff;
    padding: 10px 22px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 700;
    transition: all 0.2s;
}

.header-cta-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
}

/* ==========================================================================
   3. ヒーローセクション
   ========================================================================== */
.hero-section {
    padding-top: 180px;
    padding-bottom: 120px;
    background: radial-gradient(circle at top right, #eff6ff 0%, #ffffff 60%);
    text-align: center;
}

.hero-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-badge {
    display: inline-block;
    background: #dbeafe;
    color: var(--accent);
    font-size: 13px;
    font-weight: 700;
    padding: 6px 16px;
    border-radius: 30px;
    margin-bottom: 24px;
}

.hero-heading {
    font-size: 52px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--primary);
    margin-bottom: 24px;
}

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

.hero-lead {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 36px;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 700;
    transition: all 0.25s;
}

.btn-primary {
    background: var(--accent);
    color: #ffffff;
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-3px);
}

.btn-outline {
    background: #ffffff;
    color: var(--primary);
    border: 1px solid var(--border);
}

.btn-outline:hover {
    border-color: var(--primary);
}

/* ==========================================================================
   4. About Us
   ========================================================================== */
.about-card-box {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 50px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.03);
}

.about-lead-text {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.about-body-text {
    font-size: 16px;
    color: var(--text-muted);
    line-height: 1.8;
}

/* ==========================================================================
   5. Our Services
   ========================================================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 28px;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.06);
}

.card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.card-num {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 20px;
    font-weight: 800;
    color: #cbd5e1;
}

.card-icon {
    font-size: 32px;
}

.service-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
}

.service-desc {
    font-size: 14px;
    color: var(--text-muted);
}

/* ==========================================================================
   6. Call to Action
   ========================================================================== */
.cta-section {
    background: var(--primary);
    color: #ffffff;
    padding: 100px 20px;
    text-align: center;
}

.cta-container {
    max-width: 800px;
    margin: 0 auto;
}

.cta-sub {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 13px;
    font-weight: 700;
    color: #60a5fa;
    letter-spacing: 0.2em;
    display: block;
    margin-bottom: 12px;
}

.cta-title {
    font-size: 36px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 20px;
}

.cta-desc {
    font-size: 16px;
    color: #94a3b8;
    margin-bottom: 40px;
}

.cta-main-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--accent);
    color: #ffffff;
    padding: 20px 48px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 700;
    box-shadow: 0 15px 30px rgba(37, 99, 235, 0.4);
    transition: all 0.3s;
}

.cta-main-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-4px);
}

/* ==========================================================================
   7. フッター
   ========================================================================== */
.site-footer {
    background: #020617;
    color: #94a3b8;
    padding: 40px 20px;
    font-size: 13px;
    border-top: 1px solid #1e293b;
}

.footer-container {
    max-width: 1140px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-logo {
    font-size: 16px;
    font-weight: 700;
    color: #ffffff;
    display: block;
    margin-bottom: 4px;
}

/* ==========================================================================
   8. アニメーション (Fade-in & Fade-in-up)
   ========================================================================== */
.fade-in-up {
    animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

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

/* ==========================================================================
   9. レスポンシブ (iPad & スマホ対応)
   ========================================================================== */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .hero-heading {
        font-size: 42px;
    }
}

@media (max-width: 768px) {
    .desktop-nav {
        display: none;
    }
    .section-padding {
        padding: 60px 20px;
    }
    .hero-section {
        padding-top: 130px;
        padding-bottom: 70px;
    }
    .hero-heading {
        font-size: 32px;
    }
    .hero-actions {
        flex-direction: column;
    }
    .btn {
        width: 100%;
    }
    .services-grid {
        grid-template-columns: 1fr;
    }
    .about-card-box {
        padding: 24px;
    }
    .cta-title {
        font-size: 24px;
    }
    .footer-container {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}