:root {
  --brand-teal: #19cdb2;
  --brand-blue: #35a8e1;
  --brand-gradient: linear-gradient(135deg, #19cdb2, #35a8e1);
  --brand-gradient-hover: linear-gradient(135deg, #14b89e, #2e97cc);
  --brand-charcoal: #111111;
  --primary: #19cdb2;
  --primary-hover: #14b89e;
  --primary-light: #e6faf7;
  --heading: #111111;
  --text: #262626;
  --muted: #666666;
  --border: #e5e7eb;
  --bg: #ffffff;
  --bg-light: #f7f8fa;
  --success: #10b981;
  --warning: #ff9d00;
  --error: #c82828;
  --shadow-sm: 0 8px 24px rgba(17, 17, 17, 0.06);
  --shadow-md: 0 18px 48px rgba(17, 17, 17, 0.09);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body.fai-body {
  margin: 0;
  padding-top: 72px;
  background: var(--bg);
  color: var(--text);
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.fai-body *,
.fai-body *::before,
.fai-body *::after {
  box-sizing: border-box;
}

.fai-body img {
  max-width: 100%;
}

.fai-body a {
  color: var(--primary-hover);
  text-underline-offset: 3px;
}

.fai-body a:hover {
  color: #0d8f7c;
}

.fai-container {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
}

.fai-site-header {
  position: fixed;
  z-index: 1000;
  top: 0;
  right: 0;
  left: 0;
  min-height: 72px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
}

.fai-site-header .fai-nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.fai-brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  text-decoration: none;
}

.fai-brand img {
  display: block;
  width: auto;
  height: 32px;
}

.fai-nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
}

.fai-nav-links a {
  color: #444444;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s ease;
}

.fai-nav-links a:hover {
  color: var(--primary);
}

.fai-nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.fai-btn-primary,
.fai-btn-secondary {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.fai-btn-primary {
  background: var(--brand-gradient);
  box-shadow: 0 5px 16px rgba(25, 205, 178, 0.24);
  color: #ffffff !important;
}

.fai-btn-primary:hover {
  background: var(--brand-gradient-hover);
  box-shadow: 0 8px 22px rgba(25, 205, 178, 0.3);
  color: #ffffff !important;
  transform: translateY(-2px);
}

.fai-btn-secondary {
  border-color: var(--border);
  background: #ffffff;
  color: var(--heading) !important;
}

.fai-btn-secondary:hover {
  border-color: rgba(25, 205, 178, 0.5);
  background: var(--primary-light);
  color: var(--heading) !important;
  transform: translateY(-2px);
}

.fai-menu-toggle {
  width: 44px;
  height: 44px;
  display: none;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 12px;
  background: var(--bg-light);
  color: var(--heading);
  cursor: pointer;
}

.fai-menu-toggle-lines,
.fai-menu-toggle-lines::before,
.fai-menu-toggle-lines::after {
  width: 22px;
  height: 2px;
  display: block;
  border-radius: 9999px;
  background: currentColor;
}

.fai-menu-toggle-lines {
  position: relative;
}

.fai-menu-toggle-lines::before,
.fai-menu-toggle-lines::after {
  position: absolute;
  left: 0;
  content: "";
}

.fai-menu-toggle-lines::before {
  top: -7px;
}

.fai-menu-toggle-lines::after {
  top: 7px;
}

.fai-mobile-overlay {
  position: fixed;
  z-index: 1090;
  inset: 0;
  visibility: hidden;
  background: rgba(17, 17, 17, 0.38);
  opacity: 0;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.fai-mobile-menu {
  position: fixed;
  z-index: 1100;
  top: 0;
  right: 0;
  width: min(340px, 88vw);
  height: 100dvh;
  padding: 88px 28px 32px;
  background: #ffffff;
  box-shadow: -12px 0 40px rgba(17, 17, 17, 0.12);
  transform: translateX(105%);
  transition: transform 0.25s ease;
}

.fai-mobile-overlay.is-open {
  visibility: visible;
  opacity: 1;
}

.fai-mobile-menu.is-open {
  transform: translateX(0);
}

.fai-mobile-menu-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 12px;
  background: var(--bg-light);
  color: var(--heading);
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
}

.fai-mobile-links,
.fai-mobile-actions {
  display: grid;
  gap: 10px;
}

.fai-mobile-links a {
  padding: 12px 4px;
  border-bottom: 1px solid var(--border);
  color: var(--heading);
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
}

.fai-mobile-actions {
  margin-top: 24px;
}

.fai-mobile-actions a {
  width: 100%;
}

.fai-site-footer {
  padding: 56px 0 24px;
  background: #111827;
  color: #ffffff;
}

.fai-footer-main {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 48px;
  padding-bottom: 36px;
}

.fai-site-footer .fai-brand img {
  height: 34px;
}

.fai-footer-tagline {
  margin: 14px 0 0;
  color: #9ca3af;
  font-size: 14px;
  line-height: 1.7;
}

.fai-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px 24px;
}

.fai-footer-links a {
  color: #d1d5db;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

.fai-footer-links a:hover {
  color: var(--primary);
}

.fai-footer-copy {
  margin: 0;
  padding-top: 22px;
  border-top: 1px solid #374151;
  color: #9ca3af;
  font-size: 12px;
  text-align: center;
}

/* Landing page */
.fai-landing .crm-lp-wrapper {
  background: #ffffff;
  color: var(--text);
}

.fai-landing .fai-hero {
  position: relative;
  overflow: hidden;
  padding-top: 96px !important;
  padding-bottom: 72px !important;
  background:
    radial-gradient(circle at 84% 18%, rgba(53, 168, 225, 0.14), transparent 30%),
    radial-gradient(circle at 12% 78%, rgba(25, 205, 178, 0.13), transparent 32%),
    linear-gradient(180deg, var(--primary-light), #ffffff 86%) !important;
}

.fai-landing .fai-hero h1 {
  color: var(--heading);
  font-size: clamp(36px, 5.2vw, 60px) !important;
  font-weight: 800 !important;
  letter-spacing: -0.035em !important;
}

.fai-landing .fai-hero p {
  color: var(--muted) !important;
}

.fai-landing .fai-hero .fai-hero-cta {
  min-width: 180px;
  padding: 15px 28px;
  border-radius: 12px;
  background: var(--brand-gradient) !important;
  box-shadow: 0 10px 26px rgba(25, 205, 178, 0.24);
  color: #ffffff !important;
}

.fai-landing .fai-product-preview {
  padding-bottom: 96px !important;
  background: #ffffff !important;
}

.fai-landing .fai-product-preview > div {
  border-color: var(--border) !important;
  border-radius: 24px !important;
  box-shadow: var(--shadow-md) !important;
}

.fai-landing .fai-progress-value {
  width: 72.5%;
}

.fai-landing .fai-features-section {
  padding-top: 88px !important;
  padding-bottom: 88px !important;
  background: var(--bg-light) !important;
}

.fai-landing .fai-features-section h2,
.fai-landing .fai-results-section h2,
.fai-landing .fai-contact-section h2 {
  color: var(--heading) !important;
  font-size: clamp(28px, 4vw, 42px) !important;
  font-weight: 800 !important;
  letter-spacing: -0.025em;
}

.fai-landing .fai-features-section .grid > div {
  border: 1px solid var(--border) !important;
  border-radius: 16px !important;
  background: #ffffff !important;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.fai-landing .fai-features-section .grid > div:hover {
  border-color: rgba(25, 205, 178, 0.5) !important;
  box-shadow: var(--shadow-md) !important;
  transform: translateY(-4px);
}

.fai-landing .fai-results-section,
.fai-landing #force-dark-section {
  padding-top: 80px !important;
  padding-bottom: 80px !important;
  background: #ffffff !important;
  color: var(--text) !important;
}

.fai-landing .fai-results-grid {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--bg-light);
}

.fai-landing #force-dark-section .text-blue-400,
.fai-landing #force-dark-section .text-green-400,
.fai-landing #force-dark-section .text-yellow-400,
.fai-landing #force-dark-section .text-purple-400 {
  color: var(--primary-hover) !important;
}

.fai-landing #force-dark-section .text-gray-300 {
  color: var(--muted) !important;
}

.fai-landing .fai-contact-section {
  padding-top: 88px !important;
  padding-bottom: 96px !important;
  background: linear-gradient(180deg, var(--primary-light), #ffffff) !important;
}

.fai-landing .fai-contact-card {
  padding: 28px !important;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: #ffffff;
  box-shadow: var(--shadow-sm);
}

.fai-form-host {
  min-height: 200px;
}

.fai-noscript {
  padding: 20px;
  color: var(--muted);
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  text-align: center;
}

/* Lightweight local replacements for the previous icon CDN. */
.fai-landing .ph {
  width: 1.1em;
  min-width: 1.1em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-style: normal;
  line-height: 1;
}

.fai-landing .ph::before { content: "•"; }
.fai-landing .ph-arrow-right::before { content: "→"; }
.fai-landing .ph-gauge::before { content: "◴"; }
.fai-landing .ph-globe::before { content: "◎"; }
.fai-landing .ph-briefcase::before { content: "▣"; }
.fai-landing .ph-buildings::before { content: "▤"; }
.fai-landing .ph-users::before { content: "◉"; }
.fai-landing .ph-sparkle::before { content: "✦"; }
.fai-landing .ph-trend-up::before { content: "↗"; }
.fai-landing .ph-fire::before { content: "◆"; }
.fai-landing .ph-user::before { content: "●"; }
.fai-landing .ph-file-pdf::before { content: "PDF"; font-size: 0.62em; font-weight: 800; }
.fai-landing .ph-paper-plane-right::before { content: "➜"; }
.fai-landing .ph-pencil-simple::before { content: "✎"; }
.fai-landing .ph-file-text::before { content: "▧"; }
.fai-landing .ph-cloud-arrow-up::before { content: "↑"; }
.fai-landing .ph-clock-counter-clockwise::before { content: "◷"; }
.fai-landing .ph-robot::before { content: "AI"; font-size: 0.66em; font-weight: 900; }
.fai-landing .ph-database::before { content: "▥"; }
.fai-landing .ph-git-merge::before { content: "⌘"; }
.fai-landing .ph-eye::before { content: "◉"; }
.fai-landing .ph-envelope-open::before { content: "✉"; }
.fai-landing .ph-chart-pie-slice::before { content: "◕"; }

/* Legal pages */
.fai-legal {
  background: var(--bg-light) !important;
}

.fai-legal-main {
  width: min(960px, calc(100% - 48px));
  max-width: none !important;
  margin: 48px auto 80px !important;
  padding: 56px 64px 72px !important;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: #ffffff;
  box-shadow: var(--shadow-sm);
}

.fai-legal-main h1 {
  margin: 0 0 8px;
  color: var(--heading);
  font-size: clamp(30px, 4vw, 42px) !important;
  font-weight: 800;
  letter-spacing: -0.025em !important;
}

.fai-legal-main .updated,
.fai-legal-main .policy-dates {
  width: fit-content;
  margin: 0 0 36px;
  padding: 6px 12px;
  border-radius: 9999px;
  background: var(--primary-light);
  color: #0d8f7c;
  font-size: 12px;
  font-weight: 700;
}

.fai-legal-main h2 {
  margin: 44px 0 14px !important;
  padding: 0 !important;
  color: var(--heading);
  font-size: 21px !important;
  font-weight: 800;
  line-height: 1.5;
}

.fai-legal-main h3 {
  margin: 28px 0 10px !important;
  color: var(--heading);
  font-size: 17px !important;
  font-weight: 800;
}

.fai-legal-main h4 {
  color: var(--heading);
  font-weight: 800;
}

.fai-legal-main p,
.fai-legal-main li {
  color: #444444 !important;
  font-size: 15px !important;
  line-height: 1.9 !important;
}

.fai-legal-main blockquote {
  padding: 18px 20px !important;
  border: 1px solid var(--border) !important;
  border-radius: 12px !important;
  background: var(--bg-light) !important;
}

.fai-legal-main table {
  display: block;
  overflow-x: auto;
  border-collapse: collapse;
  white-space: normal;
}

.fai-legal-main th {
  background: var(--primary-light) !important;
  color: var(--heading) !important;
  font-weight: 700 !important;
}

.fai-legal-main th,
.fai-legal-main td {
  min-width: 140px;
  border-color: var(--border) !important;
}

/* Zoom guide */
.fai-zoom {
  background: var(--bg-light) !important;
}

.fai-zoom .hero {
  border-bottom: 0 !important;
  background:
    radial-gradient(circle at 86% 18%, rgba(53, 168, 225, 0.14), transparent 30%),
    radial-gradient(circle at 10% 76%, rgba(25, 205, 178, 0.14), transparent 32%),
    linear-gradient(135deg, #ffffff 0%, var(--primary-light) 58%, #f1f8fc 100%) !important;
}

.fai-zoom .hero-inner {
  width: min(920px, calc(100% - 48px));
  padding: 84px 0 76px;
}

.fai-zoom .eyebrow {
  border: 0 !important;
  background: var(--primary-light) !important;
  color: #0d8f7c !important;
}

.fai-zoom h1 {
  color: var(--heading);
  font-weight: 800;
}

.fai-zoom .page-shell {
  width: min(920px, calc(100% - 48px));
  padding: 56px 0 88px;
}

.fai-zoom .guide-section {
  margin-bottom: 24px;
  padding: 32px;
  border: 1px solid var(--border) !important;
  border-radius: 16px !important;
  background: #ffffff !important;
  box-shadow: var(--shadow-sm) !important;
}

.fai-zoom .guide-section h2 {
  color: var(--heading);
  font-size: 24px;
  font-weight: 800;
}

.fai-zoom .guide-section p,
.fai-zoom .guide-section li {
  color: var(--muted);
}

.fai-zoom .support-button {
  border-radius: 12px !important;
  background: var(--brand-gradient) !important;
  box-shadow: 0 5px 16px rgba(25, 205, 178, 0.24);
  color: #ffffff !important;
}

.fai-zoom .steps li::before {
  background: var(--brand-gradient) !important;
}

@media (max-width: 980px) {
  .fai-nav-links,
  .fai-nav-actions {
    display: none;
  }

  .fai-menu-toggle {
    display: inline-flex;
    margin-left: auto;
  }
}

@media (max-width: 720px) {
  body.fai-body {
    padding-top: 64px;
  }

  .fai-container {
    width: min(100% - 32px, 1200px);
  }

  .fai-site-header,
  .fai-site-header .fai-nav {
    min-height: 64px;
  }

  .fai-brand img {
    height: 27px;
  }

  .fai-footer-main {
    flex-direction: column;
    gap: 30px;
  }

  .fai-footer-links {
    justify-content: flex-start;
  }

  .fai-landing .fai-hero {
    padding-top: 68px !important;
    padding-bottom: 56px !important;
  }

  .fai-landing .fai-hero h1 {
    font-size: clamp(32px, 10vw, 44px) !important;
  }

  .fai-landing .fai-contact-card {
    padding: 18px 12px !important;
  }

  .fai-legal-main {
    width: min(100% - 24px, 960px);
    margin: 24px auto 56px !important;
    padding: 34px 22px 48px !important;
    border-radius: 16px;
  }

  .fai-legal-main h2 {
    margin-top: 36px !important;
    font-size: 19px !important;
  }

  .fai-legal-main p,
  .fai-legal-main li {
    font-size: 14px !important;
  }

  .fai-zoom .hero-inner,
  .fai-zoom .page-shell {
    width: min(100% - 32px, 920px);
  }

  .fai-zoom .hero-inner {
    padding: 58px 0 54px;
  }

  .fai-zoom .guide-section {
    padding: 24px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .fai-body *,
  .fai-body *::before,
  .fai-body *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}