/* File2u.link 採用書類回収 LP
   Design: Light hero (white centered) / Royal Blue / Cyan Accent / Amber CTA
*/

:root {
    --primary: #1d4ed8;
    --primary-mid: #2563eb;
    --primary-light: #3b82f6;
    --primary-dark: #1e3a8a;
    --primary-bg: #eff6ff;
    --primary-bg-light: #f5f9ff;
    --accent: #0891b2;
    --accent-light: #06b6d4;
    --cta: #b45309;
    --cta-light: #d97706;
    --text: #111827;
    --text-mid: #1f2937;
    --text-light: #6b7280;
    --white: #ffffff;
    --gray-bg: #f8fafc;
    --border: #bfdbfe;
    --red-warn: #dc2626;
}

* { padding: 0; margin: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Noto Sans JP', "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", "メイリオ", Meiryo, sans-serif;
    color: var(--text);
    background: var(--white);
    font-size: 15px;
    line-height: 1.7;
}
img { max-width: 100%; height: auto; }
a { text-decoration: none; }
p { margin: 0; }

/* ===== Nav ===== */
.lp-nav {
    position: sticky; top: 0; z-index: 1000;
    background: var(--white); border-bottom: 1px solid var(--border);
    box-shadow: 0 2px 10px rgba(29,78,216,0.07);
}
.lp-nav-inner {
    max-width: 1200px; margin: 0 auto; padding: 0 32px;
    height: 64px; display: flex; align-items: center; justify-content: space-between;
}
.lp-logo img { height: 30px; }
.lp-nav-links { display: flex; align-items: center; gap: 28px; }
.lp-nav-links a { font-size: 14px; font-weight: 700; color: var(--text); }
.lp-nav-links a:hover { color: var(--primary); }
.btn-nav {
    background: var(--cta); color: var(--white) !important;
    padding: 8px 20px; border-radius: 6px; font-weight: 700; transition: background 0.2s;
}
.btn-nav:hover { background: var(--cta-light) !important; }

/* ===== Buttons ===== */
.btn-primary {
    display: inline-block; background: var(--primary); color: var(--white) !important;
    padding: 14px 36px; border-radius: 8px; font-weight: 700; font-size: 15px;
    transition: background 0.2s, transform 0.15s;
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); }
.btn-secondary {
    display: inline-block; background: var(--white); color: var(--primary) !important;
    padding: 13px 36px; border-radius: 8px; font-weight: 700; font-size: 15px;
    border: 2px solid var(--primary); transition: all 0.2s;
}
.btn-secondary:hover { background: var(--primary-bg); transform: translateY(-1px); }
.btn-cta {
    display: inline-block; background: var(--cta); color: var(--white) !important;
    padding: 14px 36px; border-radius: 8px; font-weight: 700; font-size: 15px;
    transition: background 0.2s, transform 0.15s;
    box-shadow: 0 4px 18px rgba(180,83,9,0.32);
}
.btn-cta:hover { background: var(--cta-light); transform: translateY(-1px); }
.btn-large { padding: 18px 56px !important; font-size: 17px !important; }

/* ===== Shared Section ===== */
.section-inner { max-width: 1100px; margin: 0 auto; padding: 88px 32px; }
.section-header { text-align: center; margin-bottom: 56px; }
.section-header h2 { font-size: 32px; font-weight: 900; line-height: 1.45; margin-bottom: 18px; }
.section-header p { font-size: 15px; color: var(--text-light); line-height: 1.9; }
.section-header p + p { margin-top: 8px; }
.section-tag {
    display: inline-block; font-size: 12px; font-weight: 700;
    background: var(--primary-bg); color: var(--primary-dark);
    padding: 4px 14px; border-radius: 20px; margin-bottom: 16px;
    letter-spacing: 0.5px; border: 1px solid #93c5fd;
}

/* ===========================
   1. Hero — LIGHT / CENTERED
   =========================== */
.hero-section {
    background: linear-gradient(180deg, #dbeafe 0%, #eff6ff 50%, #ffffff 100%);
    border-bottom: 3px solid var(--primary-light);
}
.hero-inner {
    max-width: 1000px; margin: 0 auto; text-align: center; padding: 80px 32px 0;
}
.hero-badge {
    display: inline-block; background: var(--primary); color: var(--white);
    font-size: 12px; font-weight: 700; padding: 5px 18px; border-radius: 20px;
    margin-bottom: 24px; letter-spacing: 0.4px;
}
.hero-inner h1 {
    font-size: 40px; font-weight: 900; line-height: 1.35; margin-bottom: 22px; color: var(--text);
}
.hero-inner h1 em { color: var(--primary); font-style: normal; }
.hero-sub {
    font-size: 16px; color: var(--text-mid); line-height: 1.85; margin-bottom: 28px;
}
.hero-chips {
    display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 32px;
}
.hero-chip {
    background: var(--white); border: 1.5px solid var(--border);
    padding: 9px 20px; border-radius: 100px; font-size: 13px; font-weight: 700;
    color: var(--text-mid); display: flex; align-items: center; gap: 6px;
    box-shadow: 0 1px 4px rgba(29,78,216,0.06);
}
.hero-chip-check { color: var(--cta); font-weight: 900; font-size: 15px; }
.hero-cta {
    display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 18px;
}
.hero-note {
    font-size: 13px; color: var(--text-light); margin-bottom: 0; padding-bottom: 8px;
}
.hero-visual {
    margin-top: 56px; display: flex; justify-content: center;
}
.hero-diagram-img {
    max-width: 440px; width: 100%; border-radius: 16px;
    box-shadow: 0 12px 48px rgba(29,78,216,0.13);
}

/* ===========================
   2. Problem
   =========================== */
.problem-section { background: var(--white); }
.problem-list {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px;
}
.problem-item {
    display: flex; align-items: flex-start; gap: 14px;
    background: #fff5f5; border: 1px solid #fecaca;
    border-radius: 10px; padding: 20px 22px;
}
.problem-item-icon { font-size: 22px; flex-shrink: 0; margin-top: 2px; }
.problem-item-body h3 { font-size: 15px; font-weight: 700; margin-bottom: 6px; color: var(--text); }
.problem-item-body p { font-size: 14px; color: var(--text-light); line-height: 1.7; }
.problem-summary {
    margin-top: 40px; text-align: center; background: var(--primary-bg); border-radius: 10px;
    padding: 24px 32px; border: 1px solid var(--border);
}
.problem-summary p { font-size: 15px; font-weight: 700; color: var(--primary-dark); }
.problem-summary p + p { margin-top: 6px; }

/* ===========================
   3. Solution — Feature cards
   =========================== */
.solution-section { background: var(--primary-bg-light); }
.feat-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
}
.feat-card {
    background: var(--white); border: 1px solid var(--border);
    border-radius: 12px; padding: 24px 20px;
    display: flex; flex-direction: column; align-items: flex-start; gap: 14px;
    box-shadow: 0 2px 10px rgba(29,78,216,0.05);
}
.feat-icon { width: 48px; height: 48px; }
.feat-icon img { width: 48px; height: 48px; object-fit: contain; }
.feat-body h3 { font-size: 14px; font-weight: 700; margin-bottom: 6px; color: var(--primary-dark); }
.feat-body p { font-size: 13px; color: var(--text-light); line-height: 1.7; }

/* ===========================
   4. Benefits — Alternating rows
   =========================== */
.benefit-section { background: var(--white); }
.benefit-rows { display: flex; flex-direction: column; gap: 0; }
.benefit-row {
    display: grid; grid-template-columns: 100px 1fr; gap: 40px;
    padding: 40px 52px; border-bottom: 1px solid var(--border);
    align-items: center;
}
.benefit-row:last-child { border-bottom: none; }
.benefit-row-alt { background: var(--primary-bg-light); }
.benefit-row-num {
    width: 76px; height: 76px; border-radius: 50%;
    border: 3px solid var(--primary-light); color: var(--primary);
    display: flex; align-items: center; justify-content: center;
    font-size: 22px; font-weight: 900; flex-shrink: 0;
}
.benefit-row-body h3 { font-size: 20px; font-weight: 700; margin-bottom: 12px; }
.benefit-row-body p { font-size: 15px; color: var(--text-light); line-height: 1.9; }

/* ===========================
   5. Use Cases
   =========================== */
.usecase-section { background: var(--primary-bg-light); }
.usecase-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.usecase-card {
    background: var(--white); border: 1px solid var(--border);
    border-radius: 12px; padding: 28px 24px;
    box-shadow: 0 2px 8px rgba(29,78,216,0.05);
}
.usecase-icon { font-size: 28px; margin-bottom: 14px; display: block; }
.usecase-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 10px; }
.usecase-card p { font-size: 14px; color: var(--text-light); line-height: 1.75; }

/* ===========================
   6. Steps — Pipeline
   =========================== */
.steps-section {
    background: linear-gradient(150deg, #1e3a8a 0%, #1d4ed8 100%);
    color: var(--white);
}
.steps-section .section-header h2 { color: var(--white); }
.steps-section .section-header p { color: rgba(255,255,255,0.75); }
.steps-pipeline {
    display: flex; gap: 0; justify-content: center; position: relative;
}
.steps-pipeline::before {
    content: ''; position: absolute; top: 31px; left: 16.5%; right: 16.5%;
    height: 3px; background: rgba(255,255,255,0.18);
}
.step-node {
    flex: 1; display: flex; flex-direction: column; align-items: center;
    text-align: center; padding: 0 12px; position: relative;
}
.step-circle {
    width: 64px; height: 64px; background: var(--cta); border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 22px; font-weight: 900; color: var(--white); margin-bottom: 10px;
    box-shadow: 0 4px 20px rgba(180,83,9,0.45); z-index: 1;
}
.step-icon-em { font-size: 22px; margin-bottom: 4px; }
.step-label { font-size: 11px; font-weight: 700; color: rgba(255,255,255,0.6); letter-spacing: 1px; margin-bottom: 12px; }
.step-body { background: rgba(255,255,255,0.08); border-radius: 12px; padding: 20px 16px; }
.step-body h3 { font-size: 15px; font-weight: 700; margin-bottom: 8px; color: var(--white); }
.step-body p { font-size: 13px; color: rgba(255,255,255,0.72); line-height: 1.7; }

/* ===========================
   7. Comparison
   =========================== */
.comparison-section { background: var(--white); }
.comparison-table-wrap { overflow-x: auto; }
.comparison-table {
    width: 100%; border-collapse: collapse; font-size: 14px;
}
.comparison-table th, .comparison-table td {
    padding: 13px 16px; border: 1px solid #e5e7eb; text-align: center;
    vertical-align: middle;
}
.comparison-table td:first-child { text-align: left; font-weight: 700; font-size: 13px; background: #f9fafb; }
.comparison-table thead th {
    font-weight: 700; font-size: 13px; color: var(--white);
    background: var(--text-mid);
}
.comparison-table thead th.col-old   { background: #92400e; }
.comparison-table thead th.col-form  { background: #374151; }
.comparison-table thead th.col-ats   { background: #4c1d95; }
.comparison-table thead th.col-new   { background: var(--primary-dark); }
.comparison-table td.col-old   { background: #fffbeb; color: #7c2d12; }
.comparison-table td.col-form  { background: #f9fafb; color: #374151; }
.comparison-table td.col-ats   { background: #f5f3ff; color: #4c1d95; }
.comparison-table td.col-new   { background: var(--primary-bg); color: var(--primary-dark); font-weight: 600; }
.comparison-note {
    margin-top: 28px; background: var(--primary-bg-light);
    border: 1px solid var(--border); border-radius: 8px;
    padding: 18px 24px; font-size: 14px; color: var(--text-mid);
}

/* ===========================
   8. Security
   =========================== */
.security-section { background: var(--primary-bg-light); }
.security-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.security-card {
    background: var(--white); border: 1px solid var(--border);
    border-radius: 12px; padding: 28px 24px;
    box-shadow: 0 2px 8px rgba(29,78,216,0.05);
}
.security-icon { width: 52px; height: 52px; margin-bottom: 16px; }
.security-icon img { width: 52px; height: 52px; object-fit: contain; }
.security-card h3 { font-size: 15px; font-weight: 700; margin-bottom: 10px; color: var(--primary-dark); }
.security-card p { font-size: 14px; color: var(--text-light); line-height: 1.75; }
.security-footnote {
    margin-top: 36px; font-size: 13px; color: var(--text-light); text-align: center; line-height: 1.8;
}
.security-footnote a { color: var(--accent); text-decoration: underline; }

/* ===========================
   9. Example tabs
   =========================== */
.example-section { background: var(--white); }
.example-tabs {
    display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; justify-content: center;
}
.example-tab {
    background: #f1f5f9; border: 1.5px solid #cbd5e1; color: var(--text-mid);
    padding: 9px 20px; border-radius: 6px; font-size: 14px; font-weight: 700; cursor: pointer;
    transition: all 0.2s;
}
.example-tab.active, .example-tab:hover {
    background: var(--primary); border-color: var(--primary); color: var(--white);
}
.example-panel { display: none; }
.example-panel.active { display: block; }
.example-box {
    background: #f8fafc; border: 1.5px solid #e2e8f0;
    border-radius: 12px; overflow: hidden; max-width: 700px; margin: 0 auto;
}
.example-label {
    background: var(--primary-dark); color: var(--white);
    padding: 10px 20px; font-size: 13px; font-weight: 700;
}
.example-text {
    padding: 24px 28px; font-size: 14px; line-height: 2; color: var(--text-mid);
}
.example-text p + p { margin-top: 12px; }
.example-url { color: var(--accent); font-family: monospace; font-size: 13px; word-break: break-all; }
.example-note {
    margin-top: 18px; font-size: 13px; color: var(--text-light); text-align: center;
}

/* ===========================
   10. Pricing
   =========================== */
.pricing-section { background: var(--primary-bg-light); }
.pricing-cta {
    display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 20px;
}
.pricing-note { text-align: center; font-size: 14px; color: var(--text-light); }
.merit-divider { border: none; border-top: 1px solid var(--border); margin: 52px 0 40px; }
.merit-heading { text-align: center; margin-bottom: 32px; }
.merit-heading h3 { font-size: 22px; font-weight: 700; }
.merit-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.merit-card {
    background: var(--white); border: 1px solid var(--border);
    border-radius: 10px; padding: 24px 20px; text-align: center;
}
.merit-icon { font-size: 28px; margin-bottom: 12px; display: block; }
.merit-card h4 { font-size: 14px; font-weight: 700; margin-bottom: 8px; }
.merit-card p { font-size: 13px; color: var(--text-light); }

/* ===========================
   11. FAQ
   =========================== */
.faq-section { background: var(--white); }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
    border-bottom: 1px solid var(--border);
}
.faq-question {
    width: 100%; display: flex; justify-content: space-between; align-items: center;
    padding: 20px 0; background: transparent; border: none; cursor: pointer;
    font-size: 15px; font-weight: 700; color: var(--text); text-align: left; gap: 16px;
}
.faq-question:hover { color: var(--primary); }
.faq-question-text { flex: 1; }
.faq-toggle {
    font-size: 22px; color: var(--primary); flex-shrink: 0; line-height: 1;
    transition: transform 0.2s;
}
.faq-answer {
    display: none; padding: 0 0 20px;
}
.faq-answer.open { display: block; }
.faq-answer p { font-size: 14px; color: var(--text-light); line-height: 1.9; }
.faq-answer p + p { margin-top: 8px; }
.faq-answer a { color: var(--accent); text-decoration: underline; }

/* ===========================
   12. Final CTA
   =========================== */
.final-cta-section {
    background: linear-gradient(135deg, #1e3a8a 0%, #1d4ed8 100%);
    color: var(--white); text-align: center;
}
.final-cta-section .section-inner { padding: 80px 32px; }
.final-cta-section h2 {
    font-size: 34px; font-weight: 900; line-height: 1.4; margin-bottom: 22px; color: var(--white);
}
.final-cta-section .lead {
    display: block; font-size: 15px; color: rgba(255,255,255,0.82); line-height: 1.9; margin-bottom: 36px;
}
.final-cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 18px; }
.final-note { font-size: 13px; color: rgba(255,255,255,0.6); }

/* ===========================
   Footer
   =========================== */
footer { background: #0c1e5e; }
.site-footer { max-width: 1100px; margin: 0 auto; padding: 56px 32px 32px; }
.footer-columns {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; margin-bottom: 40px;
}
.footer-column h4 { font-size: 13px; font-weight: 700; color: rgba(255,255,255,0.8); margin-bottom: 16px; letter-spacing: 0.5px; }
.footer-column ul { list-style: none; }
.footer-column ul li + li { margin-top: 8px; }
.footer-column ul li a { font-size: 13px; color: rgba(255,255,255,0.55); transition: color 0.2s; }
.footer-column ul li a:hover { color: var(--white); }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px;
    display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
}
.footer-logo img { height: 24px; opacity: 0.75; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { font-size: 12px; color: rgba(255,255,255,0.45); }
.footer-links a:hover { color: var(--white); }
.footer-copy { font-size: 12px; color: rgba(255,255,255,0.35); }

/* ===========================
   Responsive
   =========================== */
@media (max-width: 1024px) {
    .feat-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-columns { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 767px) {
    .lp-nav-links a:not(.btn-nav):not(:last-child) { display: none; }
    .hero-inner { padding: 48px 20px 0; }
    .hero-inner h1 { font-size: 27px; }
    .hero-sub { font-size: 14px; }
    .hero-chips { gap: 8px; }
    .hero-chip { font-size: 12px; padding: 7px 14px; }
    .hero-cta { flex-direction: column; align-items: center; }
    .btn-large { padding: 16px 40px !important; font-size: 15px !important; }
    .section-inner { padding: 56px 20px; }
    .section-header h2 { font-size: 24px; }
    .problem-list { grid-template-columns: 1fr; }
    .feat-grid { grid-template-columns: 1fr 1fr; }
    .benefit-row { grid-template-columns: 1fr; gap: 16px; padding: 32px 20px; }
    .benefit-row-num { width: 56px; height: 56px; font-size: 18px; }
    .usecase-grid { grid-template-columns: 1fr; }
    .steps-pipeline { flex-direction: column; gap: 16px; }
    .steps-pipeline::before { display: none; }
    .step-node { padding: 0; }
    .comparison-table { font-size: 12px; }
    .comparison-table th, .comparison-table td { padding: 9px 10px; }
    .security-grid { grid-template-columns: 1fr; }
    .merit-grid { grid-template-columns: 1fr; }
    .final-cta-section h2 { font-size: 24px; }
    .footer-columns { grid-template-columns: repeat(2, 1fr); }
    .footer-bottom { flex-direction: column; text-align: center; }
}
