/* ==========================================================================
   RAWCLUTCH SYSTEM & DX (Webシステム開発・業務自動化・DX推進) 
   白基調 (ホワイト・ライトモード) 専用デザインシステム
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Inter:wght@400;600;700;800;900&family=Noto+Sans+JP:wght@400;500;700;900&display=swap');

:root {
    --sjk-light-bg: #ffffff;
    --sjk-light-sub-bg: #f8fafc;
    --sjk-light-card: #ffffff;
    --sjk-light-border: #e2e8f0;
    --sjk-light-text: #0f172a;
    --sjk-light-muted: #64748b;
    --sjk-light-sub: #475569;
    --sjk-primary-orange: #ff5500;
    --sjk-orange-grad: linear-gradient(135deg, #ff5500 0%, #ff7700 100%);
    --sjk-blue-accent: #0284c7;
    --sjk-blue-bg: #eff6ff;
}

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

body.system-dx-theme {
    background-color: var(--sjk-light-bg);
    color: var(--sjk-light-text);
    font-family: 'Noto Sans JP', 'Inter', -apple-system, sans-serif;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

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

.container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ==========================================================================
   ヘッダー (白基調 クリーンデザイン)
   ========================================================================== */
.site-header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--sjk-light-border);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 0.9rem 0;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 900;
    font-size: 1.35rem;
    color: var(--sjk-light-text);
}

.brand-sub {
    font-size: 0.78rem;
    font-weight: 800;
    color: var(--sjk-blue-accent);
    padding-left: 0.6rem;
    border-left: 1px solid var(--sjk-light-border);
    font-family: 'Bebas Neue', sans-serif;
    letter-spacing: 0.08em;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 1.8rem;
}

.header-nav a {
    color: var(--sjk-light-sub);
    font-size: 0.88rem;
    font-weight: 700;
    transition: color 0.2s;
}

.header-nav a:hover {
    color: var(--sjk-primary-orange);
}

/* ==========================================================================
   ファーストビュー (HERO 白基調 ＋ 全幅管理システムモックアップ)
   ========================================================================== */
.hero-fullwidth {
    background: linear-gradient(135deg, #ffffff 0%, #f0f9ff 50%, #e0f2fe 100%);
    padding: 4.5rem 0 5rem 0;
    border-bottom: 1px solid var(--sjk-light-border);
    text-align: center;
    position: relative;
}

.hero-header-content {
    max-width: 920px;
    margin: 0 auto 3rem auto;
}

.dx-hero-tagline {
    font-family: 'Bebas Neue', 'Inter', sans-serif;
    font-size: 1.1rem;
    color: var(--sjk-primary-orange);
    letter-spacing: 0.12em;
    background: #fff5f0;
    border: 1px solid #ffd0c0;
    padding: 0.4rem 1.2rem;
    border-radius: 30px;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.2rem;
}

.sj-headline {
    font-size: clamp(2.2rem, 4.5vw, 3.6rem);
    font-weight: 900;
    line-height: 1.25;
    letter-spacing: -0.03em;
    color: var(--sjk-light-text);
}

.sj-headline-cyan {
    color: var(--sjk-blue-accent);
}

.sj-headline-orange {
    color: var(--sjk-primary-orange);
}

.hero-lead {
    font-size: 1.05rem;
    color: var(--sjk-light-sub);
    line-height: 1.8;
    margin-top: 1.2rem;
}

.hero-fullwidth-mockup-wrap {
    max-width: 1240px;
    margin: 0 auto;
    position: relative;
    padding: 0 1rem;
}

.hero-fullwidth-mockup {
    background: #ffffff;
    border: 1.5px solid #cbd5e1;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 25px 60px rgba(15, 23, 42, 0.12);
}

.hero-fullwidth-mockup img {
    width: 100%;
    height: auto;
    max-height: 580px;
    object-fit: cover;
    object-position: top center;
}

.macbook-header-bar {
    height: 32px;
    background: #f8fafc;
    display: flex;
    align-items: center;
    padding: 0 16px;
    gap: 8px;
    border-bottom: 1px solid var(--sjk-light-border);
}

.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.hero-badge-float {
    position: absolute;
    top: -20px;
    right: 25px;
    background: var(--sjk-orange-grad);
    color: #ffffff;
    padding: 0.8rem 1.4rem;
    border-radius: 50px;
    font-weight: 900;
    font-size: 0.9rem;
    box-shadow: 0 10px 25px rgba(255, 85, 0, 0.4);
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ==========================================================================
   ボタン
   ========================================================================== */
.sj-btn-primary {
    background: var(--sjk-orange-grad);
    color: #ffffff !important;
    font-weight: 800;
    font-size: 1.05rem;
    padding: 1rem 2.6rem;
    border-radius: 50px;
    box-shadow: 0 10px 25px rgba(255, 85, 0, 0.35);
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    border: none;
    cursor: pointer;
    transition: all 0.25s ease;
}

.sj-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(255, 85, 0, 0.5);
}

.sj-btn-cyan {
    background: var(--sjk-blue-bg);
    border: 1px solid #bfdbfe;
    color: var(--sjk-blue-accent) !important;
    font-weight: 800;
    padding: 1rem 2.4rem;
    border-radius: 50px;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    transition: all 0.25s ease;
}

.sj-btn-cyan:hover {
    background: #dbeafe;
    transform: translateY(-2px);
}

/* ==========================================================================
   白基調 セクション & カード
   ========================================================================== */
.section {
    padding: 5.5rem 0;
}

.section-white {
    background: #ffffff;
}

.section-light-bg {
    background: var(--sjk-light-sub-bg);
}

.section-head {
    text-align: center;
    max-width: 780px;
    margin: 0 auto 3.8rem auto;
}

.sj-eyebrow {
    font-family: 'Bebas Neue', 'Inter', sans-serif;
    font-size: 1.1rem;
    letter-spacing: 0.15em;
    color: var(--sjk-blue-accent);
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 0.8rem;
}

.sj-card {
    background: #ffffff;
    border: 1px solid var(--sjk-light-border);
    border-radius: 16px;
    padding: 2.2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.sj-card:hover {
    border-color: var(--sjk-blue-accent);
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(2, 132, 199, 0.12);
}

.sj-card-orange {
    border: 2px solid var(--sjk-primary-orange);
    box-shadow: 0 10px 30px rgba(255, 85, 0, 0.1);
}

.wk-feat-icon {
    width: 48px;
    height: 48px;
    background: var(--sjk-blue-bg);
    border: 1px solid #bfdbfe;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--sjk-blue-accent);
    font-size: 1.4rem;
    margin-bottom: 1.2rem;
}

.sj-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: #f1f5f9;
    border: 1px solid #cbd5e1;
    color: var(--sjk-light-text);
    padding: 0.35rem 0.85rem;
    border-radius: 6px;
    font-size: 0.82rem;
    font-weight: 700;
}

.sj-tag-orange {
    background: #fff5f0;
    border-color: #ffd0c0;
    color: var(--sjk-primary-orange);
}

/* 各ソリューション カード内リアル管理画面UIモックアップ */
.solution-card-mockup {
    background: #ffffff;
    border: 1px solid var(--sjk-light-border);
    border-radius: 12px;
    overflow: hidden;
    margin-top: 1.4rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.solution-card-mockup img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    object-position: top center;
    transition: transform 0.4s ease;
}

.sj-card:hover .solution-card-mockup img {
    transform: scale(1.04);
}

/* 内製化カード */
.in-house-card {
    background: linear-gradient(135deg, #ffffff 0%, #f0f9ff 100%);
    border: 2px solid var(--sjk-blue-accent);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 10px 30px rgba(2, 132, 199, 0.08);
}

.stat-metric-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.2rem;
    margin-top: 2rem;
}

.stat-metric-box {
    background: #ffffff;
    border: 1px solid var(--sjk-light-border);
    border-radius: 12px;
    padding: 1.4rem;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.03);
}

.stat-metric-num {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 2.6rem;
    color: var(--sjk-blue-accent);
    line-height: 1;
}

.stat-metric-label {
    font-size: 0.82rem;
    color: var(--sjk-light-sub);
    font-weight: 700;
    margin-top: 0.4rem;
}

/* 現場密着 ビフォーアフター対比 */
.compare-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 2rem;
    margin-top: 3rem;
}

.compare-before {
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 16px;
    padding: 2.2rem;
}

.compare-after {
    background: #ecfdf5;
    border: 2px solid #10b981;
    border-radius: 16px;
    padding: 2.2rem;
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.1);
}

/* フロー */
.flow-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 1.2rem;
}

.flow-step {
    background: #ffffff;
    border: 1px solid var(--sjk-light-border);
    border-radius: 12px;
    padding: 1.6rem 1rem;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.03);
}

.flow-num {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.4rem;
    color: var(--sjk-blue-accent);
    margin-bottom: 0.4rem;
}

/* 料金 */
.price-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2.2rem;
}

.price-card {
    background: #ffffff;
    border: 1px solid var(--sjk-light-border);
    border-radius: 20px;
    padding: 2.8rem 2.2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 0 4px 20px rgba(0,0,0,0.04);
}

.price-card.recommend {
    border: 3px solid var(--sjk-primary-orange);
    box-shadow: 0 15px 35px rgba(255, 85, 0, 0.15);
}

.price-val {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 3rem;
    line-height: 1;
    margin: 1rem 0;
}

.maintenance-note-box {
    background: #f8fafc;
    border: 1px dashed #cbd5e1;
    border-radius: 10px;
    padding: 1rem 1.4rem;
    margin-top: 1.5rem;
    font-size: 0.85rem;
    color: #475569;
    line-height: 1.6;
}

/* FAQ */
.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(460px, 1fr));
    gap: 1.4rem;
}

.faq-item {
    background: #ffffff;
    border: 1px solid var(--sjk-light-border);
    border-radius: 12px;
    padding: 1.5rem 1.8rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.03);
}

/* ボトムCTA */
.bottom-cta-section {
    background: #0f172a;
    color: #ffffff;
    padding: 5.5rem 0;
}

.bottom-cta-form-card {
    background: #ffffff;
    color: var(--sjk-light-text);
    border-radius: 20px;
    padding: 2.8rem 2.2rem;
    box-shadow: 0 20px 50px rgba(0,0,0,0.3);
}

.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    font-size: 0.88rem;
    font-weight: 800;
    margin-bottom: 0.45rem;
}

.form-control {
    width: 100%;
    padding: 0.85rem 1.1rem;
    border: 1px solid var(--sjk-light-border);
    border-radius: 8px;
    font-size: 0.92rem;
    outline: none;
}

.form-control:focus {
    border-color: var(--sjk-primary-orange);
    box-shadow: 0 0 0 3px rgba(255, 85, 0, 0.15);
}

@media (max-width: 992px) {
    .compare-grid {
        grid-template-columns: 1fr;
    }
}