:root {
  --bg: #f7f5f0;
  --bg-soft: #eeece6;
  --surface: #fff;
  --ink: #20242a;
  --muted: #51565b;
  --line: #d7d6d2;
  --accent: #a83e17;
  --secondary: #315f7d;
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic UI", Meiryo,
    sans-serif;
  color: var(--ink);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.85;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input,
select,
textarea {
  font: inherit;
}
img {
  max-width: 100%;
}
[hidden] {
  display: none !important;
}
[id] {
  scroll-margin-top: 110px;
}
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--secondary);
  outline-offset: 5px;
}
.container {
  width: min(1200px, calc(100% - 80px));
  margin: 0 auto;
}
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 10px 20px;
  background: white;
  transform: translateY(-180%);
}
.skip-link:focus {
  transform: translateY(0);
}
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(247, 245, 240, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}
.topbar-inner {
  min-height: 86px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.5;
}
.brand-name {
  font-size: 16px;
  font-weight: 700;
}
.brand-role {
  font-size: 10px;
  letter-spacing: 0.03em;
  color: var(--muted);
}
.topbar nav ul {
  display: flex;
  gap: 28px;
  list-style: none;
}
.topbar nav a {
  color: var(--muted);
  font-size: 13px;
}
.topbar nav a:hover {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 6px;
}
.topbar-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 12px 24px;
  border-radius: 999px;
  font-weight: 500;
  text-align: center;
  line-height: 1.5;
  transition:
    background 0.2s ease,
    color 0.2s ease;
}
.topbar-cta {
  min-height: 44px;
  padding: 9px 22px;
  font-size: 14px;
  background: var(--ink);
  color: white;
  white-space: nowrap;
}
.button-primary {
  background: var(--ink);
  color: white;
  border: 1px solid var(--ink);
}
.button-primary:hover,
.topbar-cta:hover {
  background: var(--accent);
  color: white;
}
.button-secondary {
  border: 1px solid var(--line);
  background: transparent;
}
.button-secondary:hover {
  background: white;
}
.hero {
  padding: 76px 0 0;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.18fr 0.82fr;
  gap: 64px;
  align-items: center;
}
.eyebrow,
.section-label,
.signal-label,
.card-topline,
.metric-label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--accent);
  font-weight: 500;
}
.hero h1 {
  margin-top: 24px;
  font-size: clamp(40px, 4.7vw, 66px);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.3;
}
.hero h1 .serif {
  display: block;
  color: var(--ink);
}
.hero-copy p {
  max-width: 38em;
  margin-top: 20px;
  color: var(--muted);
}
.hero-copy .hero-subline {
  font-size: 18px;
  color: var(--ink);
  font-weight: 500;
}
.hero-copy strong {
  color: var(--ink);
  font-weight: 500;
}
.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.hero-copy .hero-proof {
  font-size: 13px;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.signal-card {
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #eeece6;
}
.quick-title {
  font-size: clamp(20px, 2vw, 26px);
  line-height: 1.6;
  font-weight: 500;
  margin-top: 14px;
}
.system-stack {
  list-style: none;
  margin-top: 24px;
  display: grid;
  gap: 12px;
}
.system-stack li {
  padding: 18px 20px;
  border-left: 2px solid var(--secondary);
  background: var(--bg);
}
.system-index {
  font-size: 10px;
  color: var(--secondary);
  letter-spacing: 0.08em;
}
.system-stack strong {
  display: block;
  font-size: 17px;
  font-weight: 500;
  margin: 3px 0;
}
.system-stack p {
  color: var(--muted);
  font-size: 13px;
}
.system-feedback {
  margin-top: 20px;
  font-size: 13px;
  color: var(--accent);
}
.system-feedback span {
  font-size: 20px;
  vertical-align: middle;
  margin-right: 6px;
}
.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 64px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.metric-card {
  padding: 26px 24px;
  border-right: 1px solid var(--line);
}
.metric-card:first-child {
  padding-left: 0;
}
.metric-card:last-child {
  border-right: 0;
}
.metric-label {
  color: var(--muted);
  font-size: 10px;
}
.metric-value {
  font-size: clamp(25px, 2.8vw, 38px);
  font-weight: 500;
  line-height: 1.4;
  margin: 7px 0;
  letter-spacing: -0.03em;
}
.metric-desc {
  color: var(--muted);
  font-size: 12px;
}
.section {
  padding: 96px 0;
}
.section-header {
  margin-bottom: 40px;
}
.section-title {
  font-size: clamp(30px, 3.7vw, 48px);
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: -0.035em;
  margin-top: 16px;
}
.section-title .serif {
  color: var(--ink);
}
.section-copy {
  color: var(--muted);
  max-width: 44em;
  margin-top: 20px;
}
.approach-section {
  padding-top: 0;
}
.approach-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 80px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 80px;
}
.approach-copy p + p {
  margin-top: 20px;
}
.approach-copy p {
  color: var(--muted);
}
.roadmap-list {
  list-style: none;
  margin-top: 20px;
}
.roadmap-list li {
  border-top: 1px solid var(--line);
  padding: 22px 0;
}
.roadmap-list h3 {
  margin-top: 6px;
}
.roadmap-list p {
  margin-top: 12px;
}
.roadmap-note {
  font-size: 14px;
}
.strategy-context {
  margin-top: 32px;
  padding: 24px 28px;
  border-left: 2px solid var(--secondary);
  background: var(--bg-soft);
}
.strategy-context h3 {
  font-size: 18px;
}
.strategy-context p {
  color: var(--muted);
  margin-top: 10px;
  font-size: 14px;
}
.approach-principles {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: 24px;
  font-size: 13px;
  color: var(--secondary);
}
.approach-principles span::before {
  content: "+ ";
}
.focus-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 48px;
  border-top: 1px solid var(--line);
}
.service-card {
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
h3 {
  font-size: 21px;
  font-weight: 500;
  line-height: 1.6;
}
.service-card h3 {
  margin-top: 10px;
}
.service-card p:not(.card-topline) {
  color: var(--muted);
  margin-top: 14px;
}
.service-card .service-output {
  font-size: 13px;
}
#results {
  background: var(--bg-soft);
}
.results-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 36px;
}
.milestone-card {
  border-top: 2px solid var(--line);
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.milestone-card h3 {
  margin-top: 12px;
}
.milestone-card p:not(.card-topline) {
  color: var(--muted);
  margin-top: 14px;
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.pricing-card {
  background: white;
  border: 1px solid var(--line);
  padding: 28px;
}
.pricing-card h3 {
  margin-top: 14px;
}
.pricing-summary {
  color: var(--muted);
  margin-top: 16px;
}
.pricing-list {
  padding-left: 20px;
  color: var(--muted);
  font-size: 14px;
  margin-top: 20px;
}
.pricing-list li + li {
  margin-top: 8px;
}
.consultation-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  list-style: none;
  gap: 32px;
  margin-top: 48px;
  border-top: 1px solid var(--line);
  padding-top: 32px;
}
.consultation-steps strong {
  font-size: 16px;
  font-weight: 500;
}
.consultation-steps span {
  color: var(--accent);
  margin-right: 8px;
}
.consultation-steps p {
  font-size: 14px;
  color: var(--muted);
  margin-top: 12px;
}
.pricing-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 32px;
}
.pricing-cta p {
  color: var(--muted);
  max-width: 44em;
}
.pricing-cta a {
  flex-shrink: 0;
}
.profile-section {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.profile-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 80px;
}
.profile-name {
  color: var(--accent);
  font-size: 18px;
  margin-top: 4px;
}
.profile-role {
  color: var(--muted);
  font-size: 14px;
  margin-top: 20px;
}
.story-card p {
  color: var(--muted);
}
.story-card p + p {
  margin-top: 20px;
}
.faq-stack {
  border-top: 1px solid var(--line);
}
.faq-item {
  border-bottom: 1px solid var(--line);
  padding: 24px 0;
}
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  cursor: pointer;
  font-weight: 500;
  font-size: 17px;
  list-style: none;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: "+";
  font-size: 25px;
  font-weight: 400;
  color: var(--accent);
}
.faq-item[open] summary::after {
  content: "−";
}
.faq-item p {
  max-width: 52em;
  margin-top: 16px;
  color: var(--muted);
}
#contact {
  background: #eeece6;
}
.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  align-items: start;
  gap: 72px;
}
.contact-title {
  font-size: clamp(32px, 3.5vw, 46px);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.5;
  margin-top: 16px;
}
.contact-copy {
  color: var(--muted);
  max-width: 32em;
  margin-top: 24px;
}
.contact-actions {
  margin-top: 32px;
}
.contact-prompts {
  padding-left: 1.2em;
  margin-top: 24px;
  color: var(--muted);
  font-size: 14px;
}
.contact-prompts li + li {
  margin-top: 8px;
}
.email-address {
  display: block;
  text-decoration: underline;
  text-underline-offset: 4px;
  margin-top: 6px;
  overflow-wrap: anywhere;
}
.contact-email-panel {
  background: white;
  border: 1px solid var(--line);
  padding: 36px;
  min-width: 0;
}
.contact-eyebrow {
  font-size: 13px;
  color: var(--accent);
}
.contact-email-panel .email-address {
  font-size: clamp(18px, 2vw, 25px);
  margin-top: 12px;
}
.copy-email {
  border: 0;
  background: transparent;
  padding: 12px 0;
  color: var(--muted);
  text-decoration: underline;
  text-underline-offset: 5px;
  cursor: pointer;
  font-size: 13px;
}
.copy-status {
  min-height: 1.85em;
  font-size: 13px;
  margin-top: 12px;
  color: var(--secondary);
}
footer {
  padding: 32px 0;
  background: var(--ink);
  color: #e7e7e5;
  font-size: 12px;
}
.footer-inner,
.footer-links {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}
.footer-links a:hover {
  text-decoration: underline;
}
@media (max-width: 1040px) {
  .container {
    width: calc(100% - 48px);
  }
  .hero-grid {
    gap: 32px;
  }
  .topbar nav ul {
    gap: 18px;
  }
  .brand-role {
    display: none;
  }
  .contact-grid {
    gap: 32px;
  }
  .pricing-card {
    padding: 20px;
  }
  .approach-grid,
  .profile-grid {
    gap: 40px;
  }
}
@media (max-width: 800px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero h1 {
    font-size: clamp(40px, 7vw, 58px);
  }
  .hero {
    padding-top: 48px;
  }
  .signal-card {
    max-width: none;
  }
  .system-stack {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .system-stack li {
    padding: 16px;
  }
  .system-stack strong {
    font-size: 16px;
  }
  .quick-title br {
    display: none;
  }
  .results-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .pricing-card {
    padding: 28px;
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .contact-copy {
    max-width: 42em;
  }
  .topbar-inner {
    flex-wrap: wrap;
    gap: 8px;
    padding: 12px 0;
  }
  .topbar nav {
    order: 3;
    width: 100%;
  }
  .topbar nav ul {
    justify-content: space-between;
    gap: 12px;
  }
  .topbar nav a {
    display: block;
    padding: 6px 0;
  }
  [id] {
    scroll-margin-top: 142px;
  }
  .section {
    padding: 64px 0;
  }
  .approach-section {
    padding-top: 0;
  }
  .approach-grid {
    grid-template-columns: 1fr;
    gap: 0;
    padding-bottom: 64px;
  }
  .profile-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}
@media (max-width: 540px) {
  .container {
    width: calc(100% - 40px);
  }
  .topbar-inner {
    min-height: 0;
  }
  .brand-name {
    font-size: 14px;
  }
  .brand {
    gap: 8px;
  }
  .topbar-cta {
    font-size: 13px;
    padding: 8px 16px;
  }
  .topbar nav a {
    font-size: 12px;
  }
  .topbar nav ul {
    gap: 8px;
  }
  .hero {
    padding-top: 36px;
  }
  .hero h1 {
    font-size: clamp(34px, 9.2vw, 46px);
    margin-top: 20px;
  }
  .hero-copy .hero-subline {
    font-size: 16px;
  }
  .hero-actions {
    flex-direction: column;
  }
  .hero-actions .button {
    width: 100%;
  }
  .signal-card {
    padding: 24px;
  }
  .system-stack {
    grid-template-columns: 1fr;
  }
  .system-stack li {
    padding: 16px 18px;
  }
  .system-stack p {
    font-size: 14px;
  }
  .metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 40px;
  }
  .metric-card,
  .metric-card:first-child {
    padding: 20px 16px;
  }
  .metric-card:nth-child(2) {
    border-right: 0;
  }
  .metric-card:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }
  .metric-value {
    font-size: 24px;
  }
  .metric-desc {
    font-size: 11px;
  }
  .section-title {
    font-size: 30px;
  }
  .focus-grid {
    grid-template-columns: 1fr;
  }
  .consultation-steps {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 32px;
  }
  .pricing-cta {
    flex-direction: column;
    align-items: flex-start;
  }
  .contact-title {
    font-size: 30px;
  }
  .contact-email-panel {
    padding: 24px 20px;
  }
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-links {
    flex-wrap: wrap;
    gap: 20px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

.brand-name {
  display: inline-flex;
  align-items: baseline;
  gap: 12px;
  font-size: 18px;
  letter-spacing: 0.06em;
  font-weight: 500;
}
.brand-en {
  font-size: 11px;
  font-weight: 400;
  color: var(--muted);
  letter-spacing: 0.02em;
}
.brand-role {
  display: none;
}
.contact-hint {
  font-size: 13px;
  margin-top: 12px;
  color: var(--muted);
}
@media (max-width: 540px) {
  .brand-name {
    font-size: 17px;
    gap: 8px;
  }
  .brand-en {
    font-size: 10px;
  }
}