:root {
  --bg: #030712;
  --bg-alt: #0b1220;
  --surface: rgba(14, 24, 40, 0.92);
  --surface-alt: rgba(20, 32, 52, 0.9);
  --text: #f8fafc;
  --muted: rgba(208, 213, 221, 0.74);
  --accent: #0ea5e9;
  --accent-2: #6366f1;
  --border: rgba(99, 102, 241, 0.32);
  --shadow: 0 40px 90px -60px rgba(14, 24, 46, 0.9);
  --font-sans: 'Manrope', 'Segoe UI', sans-serif;
  --font-jp: 'Noto Sans JP', 'Hiragino Sans', 'Yu Gothic', sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body.theme-night {
  font-family: var(--font-sans), var(--font-jp);
  color: var(--text);
  background:
    radial-gradient(circle at 18% 12%, rgba(14, 165, 233, 0.28), transparent 42%),
    radial-gradient(circle at 82% 6%, rgba(99, 102, 241, 0.24), transparent 45%),
    linear-gradient(180deg, #020617 0%, #040b18 38%, #0e172a 100%);
  line-height: 1.7;
  min-height: 100vh;
}

.container {
  width: min(1180px, 92%);
  margin: 0 auto;
}

.nav-shell {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(3, 7, 18, 0.86);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(99, 102, 241, 0.25);
}
.nav-shell__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  gap: 20px;
}
.identity {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.identity__text {
  font-weight: 600;
  letter-spacing: 0.08em;
}
.nav-shell__nav {
  display: inline-flex;
  gap: 24px;
}
.nav-shell__nav a {
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 12px;
  color: rgba(226, 232, 240, 0.7);
  transition: color 0.2s ease;
}
.nav-shell__nav a:hover { color: var(--accent); }
.nav-shell__cta {
  display: inline-flex;
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid rgba(14, 165, 233, 0.4);
  color: var(--text);
  text-decoration: none;
  font-size: 12px;
  letter-spacing: 0.18em;
}

.hero {
  padding: 96px 0 80px;
}
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 48px;
  align-items: start;
}
.hero__copy h1 {
  font-size: clamp(34px, 6vw, 56px);
  margin: 0 0 24px;
  font-weight: 700;
}
.hero__copy p {
  margin: 0 0 28px;
  font-size: 17px;
  color: var(--muted);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 14px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn-fill {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #ffffff;
  box-shadow: 0 22px 52px -30px rgba(14, 165, 233, 0.6);
}
.btn-fill:hover { transform: translateY(-2px); }
.btn-outline {
  background: transparent;
  color: var(--accent);
  border-color: rgba(14, 165, 233, 0.4);
}
.btn-outline:hover {
  transform: translateY(-2px);
  background: rgba(14, 165, 233, 0.12);
}
.btn-sm {
  padding: 10px 20px;
  font-size: 12px;
}
.hero__buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.status {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 12px 18px;
  background: rgba(14, 165, 233, 0.12);
  border-radius: 14px;
  border: 1px solid rgba(14, 165, 233, 0.28);
  font-size: 12px;
  letter-spacing: 0.12em;
}
.status strong { color: var(--text); margin-left: 6px; }

.hero__panel {
  background: var(--surface);
  border-radius: 28px;
  padding: 32px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  display: grid;
  gap: 24px;
}
.hero__panel h2 {
  margin: 0;
  font-size: 22px;
  letter-spacing: 0.12em;
}
.signal-grid {
  display: grid;
  gap: 16px;
}
.signal-grid div {
  background: rgba(15, 23, 42, 0.7);
  border-radius: 16px;
  padding: 16px 18px;
  border: 1px solid rgba(14, 165, 233, 0.22);
}
.signal-grid span {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: rgba(203, 213, 225, 0.72);
}
.signal-grid strong {
  display: block;
  margin-top: 8px;
  font-size: 18px;
}
.signal-grid strong.positive { color: #34d399; }
.signal-grid strong.neutral { color: #e2e8f0; }
.signal-grid small {
  display: block;
  margin-top: 6px;
  font-size: 11px;
  color: rgba(203, 213, 225, 0.6);
}
.heatmap {
  background: rgba(12, 20, 36, 0.8);
  border-radius: 18px;
  padding: 20px;
  border: 1px solid rgba(99, 102, 241, 0.24);
}
.heatmap h3 {
  margin: 0 0 16px;
  font-size: 16px;
  letter-spacing: 0.08em;
}
.heatmap__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.heatmap__grid span {
  padding: 12px;
  border-radius: 12px;
  text-align: center;
  font-size: 13px;
  letter-spacing: 0.06em;
  background: rgba(14, 165, 233, 0.14);
}
.heatmap__grid span::after {
  content: attr(data-score);
  display: block;
  margin-top: 4px;
  font-size: 12px;
  color: rgba(226, 232, 240, 0.65);
}

.section {
  padding: 80px 0;
}
.section--alt {
  background: var(--bg-alt);
}
.section-head {
  margin-bottom: 40px;
  max-width: 720px;
}
.section-head h2 {
  margin: 0 0 12px;
  font-size: clamp(28px, 4vw, 38px);
}
.section-head p {
  margin: 0;
  color: var(--muted);
}

.sentiment-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.card {
  background: var(--surface);
  border-radius: 24px;
  padding: 28px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  display: grid;
  gap: 18px;
}
.card h3 {
  margin: 0;
  font-size: 18px;
  letter-spacing: 0.1em;
}
.card--accent {
  background: rgba(14, 165, 233, 0.14);
  border-color: rgba(14, 165, 233, 0.35);
}
.metrics,
.alert-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.metrics li,
.alert-list li {
  background: rgba(15, 23, 42, 0.66);
  border-radius: 16px;
  padding: 14px 16px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 14px;
}
.metrics span {
  color: var(--muted);
  flex: 1;
}
.metrics strong { flex: 0 0 auto; }
.alert-list strong {
  color: var(--accent);
  margin-right: 10px;
}
.card-note {
  font-size: 13px;
  color: rgba(203, 213, 225, 0.6);
}
.wave {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.wave div {
  background: rgba(99, 102, 241, 0.16);
  border-radius: 16px;
  padding: 16px;
  text-align: center;
}
.wave span {
  display: block;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: rgba(226, 232, 240, 0.68);
  margin-bottom: 8px;
}
.wave strong {
  font-size: 20px;
  font-weight: 700;
}
.timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 14px;
}
.timeline li {
  position: relative;
  padding-left: 18px;
}
.timeline li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}
.timeline strong { display: block; margin-bottom: 4px; }

.macro h2 {
  margin: 0 0 12px;
}
.macro p {
  margin: 0 0 36px;
  color: var(--muted);
}
.macro-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.card table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.card th, .card td {
  padding: 12px 10px;
  border-bottom: 1px solid rgba(99, 102, 241, 0.24);
  text-align: left;
}
.matrix {
  display: grid;
  gap: 12px;
}
.matrix span {
  padding: 14px;
  border-radius: 14px;
  background: rgba(99, 102, 241, 0.18);
  text-align: center;
  font-size: 13px;
}
.matrix span::after {
  content: attr(data-corr);
  display: block;
  margin-top: 4px;
  color: rgba(226, 232, 240, 0.6);
}
.calendar {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.calendar li {
  background: rgba(15, 23, 42, 0.66);
  border-radius: 16px;
  padding: 16px;
}
.calendar strong {
  display: block;
  margin-bottom: 6px;
  letter-spacing: 0.1em;
}
.calendar span { color: var(--muted); }

.playbook {
  background: linear-gradient(180deg, rgba(14, 165, 233, 0.12), rgba(99, 102, 241, 0.12));
}
.playbook__grid {
  display: grid;
  gap: 32px;
}
.playbook__intro h2 {
  margin: 0 0 12px;
}
.playbook__intro p { margin: 0; color: var(--muted); }
.playbook__steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}
.playbook__steps article {
  background: var(--surface);
  border-radius: 24px;
  padding: 26px;
  border: 1px solid var(--border);
  display: grid;
  gap: 12px;
}
.playbook__steps span {
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(226, 232, 240, 0.62);
}
.playbook__steps h3 { margin: 0; }
.playbook__steps p { margin: 0; color: var(--muted); }

.data-access {
  background: var(--bg);
  border-top: 1px solid rgba(99, 102, 241, 0.22);
}
.data-access__layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 48px;
}
.data-list {
  margin: 24px 0 0;
  padding-left: 20px;
  color: var(--muted);
}
.data-form {
  background: var(--surface-alt);
  border-radius: 24px;
  padding: 32px;
  border: 1px solid rgba(14, 165, 233, 0.3);
  box-shadow: var(--shadow);
  display: grid;
  gap: 18px;
}
.data-form label,
.data-form legend {
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(226, 232, 240, 0.68);
}
.data-form select,
.data-form input {
  width: 100%;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid rgba(14, 165, 233, 0.32);
  background: rgba(9, 15, 28, 0.8);
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
}
.data-form select:focus,
.data-form input:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.28);
}
.data-form fieldset {
  border: 1px dashed rgba(14, 165, 233, 0.36);
  border-radius: 18px;
  padding: 18px;
  display: grid;
  gap: 12px;
}
.data-form fieldset label {
  display: flex;
  align-items: center;
  gap: 12px;
  letter-spacing: 0.06em;
  text-transform: none;
  color: var(--text);
}
.data-note {
  margin: 0;
  font-size: 12px;
  color: rgba(226, 232, 240, 0.58);
}

.faq {
  backdrop-filter: blur(12px);
}
.faq h2 {
  margin: 0 0 18px;
}
.faq details {
  background: var(--surface);
  border-radius: 20px;
  border: 1px solid var(--border);
  padding: 20px 24px;
  margin-bottom: 14px;
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
}
.faq summary::-webkit-details-marker { display: none; }
.faq p { margin: 12px 0 0; color: var(--muted); }

.footer-cta {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.22), rgba(99, 102, 241, 0.2));
}
.footer-cta__body {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.footer-cta__body h2 {
  margin: 0 0 10px;
}
.footer-cta__body p { margin: 0; color: rgba(15, 23, 42, 0.8); }

.footer {
  background: rgba(2, 6, 23, 0.92);
  border-top: 1px solid rgba(99, 102, 241, 0.24);
}
.footer__inner {
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: rgba(203, 213, 225, 0.6);
}
.footer nav {
  display: inline-flex;
  gap: 18px;
}
.footer nav a {
  text-decoration: none;
  color: rgba(203, 213, 225, 0.66);
  letter-spacing: 0.12em;
  font-size: 12px;
}
.footer nav a:hover { color: var(--accent); }

.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(3, 7, 18, 0.94);
  border-top: 1px solid rgba(99, 102, 241, 0.26);
  backdrop-filter: blur(18px);
  transform: translateY(100%);
  transition: transform 0.3s ease;
  display: none;
  z-index: 100;
}
.cookie-banner.show { transform: translateY(0); }
.cookie-banner__bar {
  width: min(1080px, 94%);
  margin: 0 auto;
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.cookie-banner__bar h3 {
  margin: 0 0 6px;
  letter-spacing: 0.16em;
}
.cookie-banner__bar p { margin: 0; color: var(--muted); }
.cookie-actions {
  display: inline-flex;
  gap: 12px;
  flex-wrap: wrap;
}
.cookie-close {
  background: transparent;
  border: none;
  color: rgba(203, 213, 225, 0.6);
  font-size: 24px;
  cursor: pointer;
}
.cookie-close:hover { color: var(--accent); }
.cookie-settings {
  width: min(720px, 94%);
  margin: 0 auto 22px;
  background: var(--surface);
  border-radius: 22px;
  border: 1px solid var(--border);
  padding: 22px 26px;
  display: grid;
  gap: 16px;
}
.cookie-row {
  display: grid;
  gap: 6px;
}
.cookie-row label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
}
.cookie-row p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 1080px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__panel { order: -1; }
  .sentiment-grid { grid-template-columns: 1fr; }
  .macro-grid { grid-template-columns: 1fr; }
  .playbook__steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .data-access__layout { grid-template-columns: 1fr; }
}

@media (max-width: 780px) {
  .nav-shell__inner { flex-wrap: wrap; }
  .nav-shell__nav { width: 100%; justify-content: center; flex-wrap: wrap; gap: 14px; }
  .nav-shell__cta { margin-left: auto; }
  .heatmap__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .wave { grid-template-columns: 1fr; }
  .playbook__steps { grid-template-columns: 1fr; }
  .footer-cta__body { flex-direction: column; align-items: flex-start; }
  .cookie-banner__bar { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 520px) {
  .hero__buttons .btn { flex: 1; min-width: 0; justify-content: center; }
  .status { flex-direction: column; align-items: flex-start; }
  .heatmap__grid { grid-template-columns: 1fr; }
  .cookie-actions { width: 100%; }
  .cookie-actions .btn { flex: 1; min-width: 0; justify-content: center; }
}