/* ===== LANDING PAGE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --navy: #0b1626;
    --navy-2: #14243b;
    --blue: #3b82f6;
    --blue-dark: #2563eb;
    --sky: #4fc3f7;
    --amber: #f59e0b;
    --ink: #1e293b;
    --muted: #64748b;
}

body.lp {
    font-family: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
    color: var(--ink);
    line-height: 1.7;
    background: #fff;
}

::selection { background: var(--blue); color: #fff; }

/* ---------- Header ---------- */
.lp-header {
    position: sticky; top: 0; z-index: 20;
    background: rgba(11, 22, 38, .85);
    backdrop-filter: blur(10px);
    color: #fff;
    padding: 16px 24px;
    display: flex; align-items: center; justify-content: space-between;
    border-bottom: 1px solid rgba(255,255,255,.06);
    flex-wrap: wrap;
    gap: 8px 0;
}
.lp-header .logo { font-size: 20px; font-weight: 800; letter-spacing: -.3px; }
.lp-header .logo span { color: var(--sky); }
.lp-header nav a {
    color: #cbd5e1;
    text-decoration: none;
    margin-left: 16px;
    font-size: 14px;
    transition: color .2s;
}
.lp-header nav a:hover { color: #fff; }
.lp-header nav a.btn-primary {
    background: linear-gradient(135deg, var(--blue), var(--blue-dark));
    color: #fff;
    padding: 9px 20px;
    border-radius: 8px;
    font-weight: 700;
}
.lp-header nav a.btn-primary:hover { color: #fff; filter: brightness(1.08); }

/* ---------- Header mobile hamburger toggle ---------- */
.lp-mobile-nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}
.lp-mobile-nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: transform .2s, opacity .2s;
}
.lp-mobile-nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.lp-mobile-nav-toggle.open span:nth-child(2) { opacity: 0; }
.lp-mobile-nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Header nav dropdown ---------- */
.nav-dropdown { position: relative; display: inline-block; }
.nav-dropdown-toggle {
    background: none; border: none; cursor: pointer;
    color: #cbd5e1; font-size: 14px; margin-left: 16px;
    font-family: inherit; transition: color .2s;
    display: inline-flex; align-items: center; gap: 4px;
    white-space: nowrap;
}
.nav-dropdown-toggle:hover { color: #fff; }
.nav-dropdown-toggle .caret { font-size: 10px; transition: transform .2s; }
.nav-dropdown.open .nav-dropdown-toggle .caret { transform: rotate(180deg); }
.nav-dropdown-menu {
    position: absolute; top: calc(100% + 12px); left: 0; transform: none;
    background: #fff; border-radius: 10px; box-shadow: 0 16px 40px rgba(0,0,0,.18);
    min-width: 220px; padding: 8px; opacity: 0; visibility: hidden;
    margin-top: -6px;
    transition: opacity .15s, margin-top .15s, visibility .15s;
    z-index: 30;
}
.nav-dropdown.open .nav-dropdown-menu,
.nav-dropdown:hover .nav-dropdown-menu {
    opacity: 1; visibility: visible; margin-top: 0;
}
.nav-dropdown-menu a {
    display: block; color: var(--ink) !important; margin-left: 0 !important;
    padding: 10px 14px; border-radius: 6px; font-size: 14px; white-space: nowrap;
}
.nav-dropdown-menu a:hover { background: #eff6ff; color: var(--blue-dark) !important; }

/* ---------- Hero ---------- */
.lp-hero {
    position: relative;
    min-height: 92vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 140px 24px 96px;
    background-image:
        linear-gradient(120deg, rgba(9,17,32,.94) 0%, rgba(11,22,38,.82) 38%, rgba(11,22,38,.42) 68%, rgba(11,22,38,.55) 100%),
        url('/images/lp-hero-bg.jpg');
    background-size: cover;
    background-position: center 30%;
    color: #fff;
    overflow: hidden;
}
.lp-hero-overlay {
    position: absolute; inset: 0;
    background: radial-gradient(ellipse at 20% 30%, rgba(59,130,246,.18), transparent 55%);
    pointer-events: none;
}
.lp-hero-inner { position: relative; max-width: 760px; z-index: 1; }
.lp-hero .eyebrow {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .04em;
    color: #bfe3fb;
    background: rgba(79,195,247,.12);
    border: 1px solid rgba(79,195,247,.35);
    padding: 6px 16px;
    border-radius: 999px;
    margin-bottom: 24px;
}
.lp-hero h1 {
    font-size: 44px;
    font-weight: 800;
    margin-bottom: 22px;
    letter-spacing: -0.5px;
    text-shadow: 0 4px 24px rgba(0,0,0,.35);
}
.lp-hero h1 span { color: var(--sky); }
.lp-hero p {
    font-size: 16px;
    color: #e2e8f0;
    max-width: 620px;
    margin: 0 0 36px;
    text-shadow: 0 2px 12px rgba(0,0,0,.35);
}
.lp-hero .cta-group { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 32px; }

.trust-row {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-size: 13px;
    color: #cbd5e1;
}
.trust-row li { display: flex; align-items: center; gap: 6px; }

.lp-hero-chips {
    position: relative;
    z-index: 1;
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 64px;
}
.chip {
    display: flex; align-items: center; gap: 10px;
    background: rgba(255,255,255,.08);
    border: 1px solid rgba(255,255,255,.18);
    backdrop-filter: blur(8px);
    color: #fff;
    padding: 14px 22px;
    border-radius: 14px;
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 10px 30px rgba(0,0,0,.25);
}
.chip-icon { font-size: 18px; }

/* ---------- Buttons ---------- */
.btn-lg {
    display: inline-block;
    padding: 16px 36px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    transition: all .2s;
}
.btn-lg.primary {
    background: linear-gradient(135deg, var(--blue), var(--blue-dark));
    color: #fff;
    box-shadow: 0 10px 28px rgba(59,130,246,.45);
}
.btn-lg.primary:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(59,130,246,.55); }
.btn-lg.secondary {
    background: rgba(255,255,255,.08);
    color: #fff;
    border: 1px solid rgba(255,255,255,.3);
}
.btn-lg.secondary:hover { background: rgba(255,255,255,.16); transform: translateY(-2px); }

/* ---------- Sections ---------- */
.lp-section { padding: 100px 24px; max-width: 1080px; margin: 0 auto; scroll-margin-top: 47px; }
.section-tag {
    display: block;
    text-align: center;
    font-size: 13px;
    font-weight: 700;
    color: var(--blue-dark);
    letter-spacing: .04em;
    margin-bottom: 14px;
}
.lp-section.dark .section-tag { color: var(--sky); }
.lp-section h2 { text-align: center; font-size: 30px; font-weight: 800; margin-bottom: 12px; letter-spacing: -.3px; }
.lp-section .lead { text-align: center; color: var(--muted); margin-bottom: 56px; font-size: 15px; }
.lp-section.dark .lead { color: #94a3b8; }
.lp-section.dark { background: var(--navy); color: #fff; }

/* Problem cards */
.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 28px;
}
.problem-card {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 18px;
    padding: 22px 24px 28px;
    box-shadow: 0 6px 20px rgba(15, 23, 42, .05);
    transition: transform .2s, box-shadow .2s;
}
.problem-card:hover { transform: translateY(-4px); box-shadow: 0 16px 32px rgba(15,23,42,.08); }
.problem-card-visual {
    border-radius: 14px;
    overflow: hidden;
    margin-bottom: 18px;
    aspect-ratio: 1 / 1;
    background: #eaf3fb;
}
.problem-card-visual img { width: 100%; height: 100%; object-fit: cover; display: block; }
.problem-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.problem-card p { font-size: 13px; color: var(--muted); line-height: 1.7; }

/* Feature cards */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 28px;
}
.feature-card {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    padding: 28px;
    transition: transform .2s, box-shadow .2s;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: 0 16px 32px rgba(15,23,42,.08); }
.feature-card .icon { font-size: 32px; margin-bottom: 14px; }
.feature-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: 13px; color: var(--muted); }

/* Feature showcase (screenshot-based) */
.feature-showcase {
    display: flex;
    flex-direction: column;
    gap: 64px;
    margin-top: 8px;
}
.feature-showcase-row {
    display: flex;
    align-items: center;
    gap: 56px;
}
.feature-showcase-row.reverse { flex-direction: row-reverse; }
.feature-showcase-text { flex: 1 1 0; min-width: 260px; }
.feature-showcase-num {
    font-size: 13px;
    font-weight: 800;
    color: #94a3b8;
    letter-spacing: .08em;
    margin-bottom: 8px;
}
.feature-showcase-text h3 { font-size: 21px; font-weight: 700; margin-bottom: 12px; line-height: 1.4; }
.feature-showcase-text p { font-size: 14.5px; color: var(--muted); line-height: 1.8; }
.feature-showcase-image {
    flex: 1 1 0;
    min-width: 280px;
}
.feature-showcase-image img {
    width: 100%;
    border-radius: 14px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 20px 40px rgba(15,23,42,.10);
    display: block;
}

/* Pricing model explainer (referral partnership vs paid plan) */
.pricing-model {
    margin-top: 72px;
    background: linear-gradient(160deg, #0f172a 0%, #1e293b 100%);
    border-radius: 20px;
    padding: 44px 40px;
    color: #fff;
}
.pricing-model-head { text-align: center; max-width: 720px; margin: 0 auto 36px; }
.pricing-model-head .section-tag { background: rgba(255,255,255,.12); color: #fff; }
.pricing-model-head h3 { font-size: 20px; font-weight: 700; margin: 14px 0 10px; line-height: 1.5; }
.pricing-model-head p { color: #cbd5e1; font-size: 14px; }
.pricing-model-paths {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    max-width: 780px;
    margin: 0 auto;
}
.pricing-model-path {
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.14);
    border-radius: 16px;
    padding: 24px;
    text-align: center;
}
.pricing-model-path.highlight { border-color: #4ade80; background: rgba(74,222,128,.10); }
.path-badge {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    padding: 3px 12px;
    border-radius: 999px;
    background: rgba(255,255,255,.14);
    margin-bottom: 12px;
}
.pricing-model-path.highlight .path-badge { background: #4ade80; color: #052e16; }
.pricing-model-path h4 { font-size: 14.5px; font-weight: 600; line-height: 1.6; color: #e2e8f0; }
.path-arrow { font-size: 20px; color: #64748b; margin: 12px 0; }
.path-result {
    border-radius: 12px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    text-decoration: none;
    transition: transform .15s, box-shadow .15s, background .15s;
    cursor: pointer;
}
.path-result:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(0,0,0,.18); }
.path-result.free { background: rgba(74,222,128,.16); }
.path-result.free:hover { background: rgba(74,222,128,.24); }
.path-result.paid { background: rgba(255,255,255,.08); }
.path-result.paid:hover { background: rgba(255,255,255,.14); }
.path-result-price { font-size: 24px; font-weight: 800; }
.path-result-price small { font-size: 13px; font-weight: 500; margin-left: 4px; }
.path-result.free .path-result-price { color: #4ade80; }
.path-result-label { font-size: 12.5px; color: #cbd5e1; }
.path-result-options { display: flex; flex-direction: column; gap: 10px; }
.path-result-options .path-result-price { font-size: 20px; }
.path-result-or { font-size: 11.5px; color: #64748b; font-weight: 600; letter-spacing: .04em; }
.pricing-model-note { text-align: center; font-size: 12.5px; color: #94a3b8; margin-top: 28px; }
.pricing-model-note a { color: #93c5fd; }

@media (max-width: 860px) {
    .feature-showcase-row, .feature-showcase-row.reverse { flex-direction: column; }
    .feature-showcase-image { width: 100%; }
}

/* Case studies */
.case-grid {
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.case-card {
    display: flex;
    gap: 32px;
    align-items: stretch;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 18px;
    padding: 28px;
    text-align: left;
    box-shadow: 0 2px 10px rgba(15,23,42,.05);
}
.case-card-visual {
    flex-shrink: 0;
    width: 240px;
    border-radius: 14px;
    overflow: hidden;
}
.case-card-visual img {
    width: 100%; height: 100%; min-height: 220px;
    object-fit: cover; display: block;
}
.case-card-body { flex: 1; min-width: 0; }
.case-card-head {
    display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
    margin-bottom: 22px; padding-bottom: 22px;
    border-bottom: 1px solid #eef2f7;
}
.case-card .case-tag {
    display: inline-block;
    background: #dbeafe;
    color: var(--blue-dark);
    font-size: 12px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 999px;
    flex-shrink: 0;
}
.case-card-head h3 { font-size: 18px; font-weight: 800; margin: 0; }
.case-detail-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.case-detail h4 { font-size: 12px; font-weight: 700; color: var(--blue-dark); margin-bottom: 8px; }
.case-detail p { font-size: 13.5px; line-height: 1.8; color: #475569; margin: 0; }
.case-note {
    margin-top: 28px;
    font-size: 12px; color: #94a3b8; text-align: center;
}

/* Group companies */
.group-intro {
    display: flex; align-items: center; gap: 32px; flex-wrap: wrap;
    background: linear-gradient(160deg, #0b1626 0%, #1e2f4a 100%);
    border-radius: 20px;
    padding: 40px; margin-bottom: 28px;
    box-shadow: 0 20px 45px rgba(11,22,38,.18);
}
.group-intro .company-logo-box {
    flex-shrink: 0; background: #fff; border-radius: 14px;
    padding: 18px 26px; display: flex; align-items: center; justify-content: center;
}
.group-intro .company-logo { height: 36px; width: auto; max-width: 200px; object-fit: contain; }
.group-intro .group-intro-body { flex: 1; min-width: 240px; }
.group-intro h3 { font-size: 19px; font-weight: 800; margin-bottom: 10px; color: #fff; }
.group-intro p { font-size: 14px; line-height: 1.8; color: #cbd5e1; margin-bottom: 16px; }
.group-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}
.group-card {
    background: #fff;
    border: 1px solid #eef2f7;
    border-radius: 18px;
    padding: 30px 26px;
    box-shadow: 0 2px 10px rgba(15,23,42,.05);
    transition: transform .25s, box-shadow .25s, border-color .25s;
}
.group-card:hover { transform: translateY(-6px); box-shadow: 0 22px 40px rgba(15,23,42,.12); border-color: #dbeafe; }
.group-card .company-logo-box {
    display: inline-flex; align-items: center; justify-content: center;
    background: transparent; border: none;
    padding: 0; margin-bottom: 18px;
}
.group-card .company-logo {
    display: block; height: 26px; width: auto; max-width: 150px;
    object-fit: contain; object-position: center;
}
.group-card h3 { font-size: 16px; font-weight: 800; color: var(--ink); margin-bottom: 10px; }
.group-card p { font-size: 13.5px; line-height: 1.8; color: #475569; margin-bottom: 18px; }
.group-link {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 13px; font-weight: 700; color: #fff;
    background: linear-gradient(135deg, var(--blue), var(--blue-dark));
    padding: 9px 18px; border-radius: 999px; text-decoration: none;
    transition: filter .2s, transform .2s;
}
.group-link span { transition: transform .2s; }
.group-link:hover { filter: brightness(1.08); }
.group-link:hover span { transform: translateX(3px); }
.group-intro .group-link {
    background: linear-gradient(135deg, var(--sky), var(--blue));
}

/* Steps */
.step-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 28px;
}
.step-card {
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: 16px;
    padding: 32px 26px;
    position: relative;
}
.step-no {
    width: 40px; height: 40px;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--blue), var(--sky));
    color: #0b1626;
    font-weight: 800;
    font-size: 18px;
    border-radius: 50%;
    margin-bottom: 18px;
}
.step-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.step-card p { font-size: 13px; color: #cbd5e1; }

/* Industries */
.industry-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
}
.industry-chip {
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
    color: var(--ink);
    font-size: 14px;
    font-weight: 600;
    padding: 12px 22px;
    border-radius: 999px;
}

/* Pricing */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
    max-width: 760px;
    margin: 0 auto;
}
.pricing-grid-3 { max-width: 1040px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.price-card {
    background: #fff;
    color: var(--ink);
    border-radius: 16px;
    padding: 36px 32px;
    box-shadow: 0 12px 32px rgba(0,0,0,.25);
    position: relative;
}
.price-card.featured { border: 2px solid var(--sky); }
.price-card .badge {
    position: absolute; top: -12px; right: 24px;
    background: var(--sky); color: #0b1626;
    font-size: 11px; font-weight: 700;
    padding: 5px 12px; border-radius: 999px;
}
.price-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.price-card h3 small { display: block; font-size: 12px; font-weight: 600; color: var(--muted); margin-top: 4px; }
.price-card .price { font-size: 32px; font-weight: 800; margin: 16px 0; }
.price-card .price small { font-size: 13px; font-weight: 400; color: var(--muted); }
.price-card ul { list-style: none; margin: 20px 0; }
.price-card ul li { font-size: 13px; padding: 6px 0; color: #475569; }
.price-card ul li::before { content: "✓ "; color: #16a34a; font-weight: 700; }
.price-card .btn-lg { width: 100%; text-align: center; }

/* FAQ */
.faq-list { max-width: 720px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 18px 22px;
}
.faq-item summary {
    cursor: pointer;
    font-weight: 700;
    font-size: 15px;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
    content: "+";
    font-size: 20px;
    color: var(--blue-dark);
    margin-left: 12px;
    transition: transform .2s;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { margin-top: 14px; font-size: 13px; color: var(--muted); }

/* CTA + Footer */
.lp-cta {
    text-align: center;
    padding: 100px 24px;
    background: linear-gradient(135deg, var(--blue-dark), #1d4ed8);
    color: #fff;
}
.lp-cta h2 { font-size: 30px; font-weight: 800; margin-bottom: 12px; }
.lp-cta p { margin-bottom: 28px; color: #dbeafe; font-size: 14px; }

.lp-footer {
    background: #0d1520;
    color: #64748b;
    text-align: center;
    padding: 32px 24px;
    font-size: 12px;
}
.lp-footer a { color: #94a3b8; }

.lp-footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px 20px;
    margin-bottom: 16px;
}
.lp-footer-links a {
    text-decoration: none;
    transition: color .15s;
}
.lp-footer-links a:hover {
    color: #fff;
    text-decoration: underline;
}

/* ---------- Legal / static content pages (会社概要・プライバシーポリシー・利用規約・特定商取引法) ---------- */
.legal-main {
    max-width: 760px;
    margin: 0 auto;
    padding: 64px 24px 96px;
    color: #1e293b;
}
.legal-main h1 {
    font-size: 26px;
    font-weight: 800;
    margin-bottom: 8px;
    color: #0f1b2d;
}
.legal-main .legal-updated {
    font-size: 12px;
    color: #94a3b8;
    margin-bottom: 40px;
}
.legal-main h2 {
    font-size: 17px;
    font-weight: 700;
    margin: 32px 0 12px;
    color: #1d4ed8;
    padding-bottom: 8px;
    border-bottom: 1px solid #e2e8f0;
}
.legal-main p, .legal-main li {
    font-size: 14px;
    line-height: 1.9;
    color: #475569;
}
.legal-main ul, .legal-main ol {
    margin: 8px 0 8px 22px;
}
.legal-main table {
    width: 100%;
    border-collapse: collapse;
    margin: 8px 0 16px;
    font-size: 13.5px;
}
.legal-main table th, .legal-main table td {
    text-align: left;
    padding: 12px 14px;
    border-bottom: 1px solid #e2e8f0;
    vertical-align: top;
}
.legal-main table th {
    width: 180px;
    color: #64748b;
    font-weight: 600;
    white-space: nowrap;
}
.legal-back {
    display: inline-block;
    margin-bottom: 28px;
    font-size: 13px;
    color: #2563eb;
    text-decoration: none;
}
.legal-back:hover { text-decoration: underline; }

/* ---------- お問い合わせフォーム ---------- */
.contact-form-group { margin-bottom: 18px; }
.contact-form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #334155;
    margin-bottom: 6px;
}
.contact-form-group .required-mark { color: #dc2626; margin-left: 4px; font-size: 12px; }
.contact-form-group input[type="text"],
.contact-form-group input[type="email"],
.contact-form-group input[type="tel"],
.contact-form-group select,
.contact-form-group textarea {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    background: #fff;
    color: #1e293b;
    box-sizing: border-box;
}
.contact-form-group input:focus, .contact-form-group select:focus, .contact-form-group textarea:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37,99,235,.15);
}
.contact-form-group textarea { min-height: 140px; resize: vertical; }
.contact-form-group .field-error { display: block; color: #dc2626; font-size: 12px; margin-top: 6px; }
.contact-submit-btn {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: #fff;
    border: none;
    padding: 13px 32px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
}
.contact-submit-btn:hover { box-shadow: 0 10px 24px rgba(37,99,235,.35); }
.contact-submit-btn:disabled { opacity: .7; cursor: wait; box-shadow: none; }
.contact-success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #86efac;
    border-radius: 8px;
    padding: 14px 18px;
    font-size: 14px;
    margin-bottom: 24px;
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
    .case-card { flex-direction: column; }
    .case-card-visual { width: 100%; }
    .case-card-visual img { height: 200px; min-height: 0; }
}
@media (max-width: 720px) {
    .lp-header { padding: 14px 18px; }
    .lp-mobile-nav-toggle { display: flex; }
    .lp-header nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: rgba(11, 22, 38, .98);
        backdrop-filter: blur(10px);
        border-bottom: 1px solid rgba(255,255,255,.08);
        box-shadow: 0 16px 32px rgba(0,0,0,.25);
        padding: 8px 18px 18px;
    }
    .lp-header nav.open { display: flex; }
    .lp-header nav a:not(.btn-primary) {
        display: block;
        margin-left: 0;
        padding: 12px 4px;
        border-bottom: 1px solid rgba(255,255,255,.06);
    }
    .lp-header nav a.btn-primary { margin: 14px 0 0; text-align: center; }
    .nav-dropdown { display: block; width: 100%; }
    .nav-dropdown-toggle { margin-left: 0; padding: 12px 4px; width: 100%; justify-content: space-between; border-bottom: 1px solid rgba(255,255,255,.06); }
    .nav-dropdown-menu {
        position: static; opacity: 1; visibility: visible; margin-top: 0;
        box-shadow: none; background: rgba(255,255,255,.04); min-width: 0;
        display: none;
    }
    .nav-dropdown.open .nav-dropdown-menu { display: block; }
    .nav-dropdown-menu a { color: #cbd5e1 !important; }
    .nav-dropdown-menu a:hover { background: rgba(255,255,255,.08); color: #fff !important; }
    .lp-hero { padding: 120px 20px 72px; min-height: auto; background-position: center 22%; }
    .lp-hero h1 { font-size: 30px; }
    .lp-hero p { font-size: 14px; }
    .lp-section { padding: 64px 20px; }
    .lp-section h2 { font-size: 24px; }
    .lp-hero-chips { margin-top: 40px; }
    .case-detail-grid { grid-template-columns: 1fr; }
    .case-card-head { flex-direction: column; align-items: flex-start; }
}