@import url('/services/lp-system-development.css?v=20260723-3');

/* AI-driven internal development — dedicated LP.
   Reuses the original system-development visual language instead of stacking
   a second 700-line override on the category page. */

:root {
  --ai-navy: #071a31;
  --ai-navy-soft: #0e2a49;
  --ai-gold: #b8985a;
  --ai-gold-light: #e5d3a7;
  --ai-paper: #f6f3eb;
  --ai-ink: #10233b;
  --ai-muted: #667386;
  --ai-line: rgba(16, 35, 59, 0.14);
}

.hero {
  min-height: min(900px, 100svh);
}

.hero-container {
  align-items: center;
}

.hero-question {
  margin-bottom: 0.8rem;
  font-size: 0.68rem;
}

.hero-label {
  margin-bottom: 1.25rem;
}

.hero-title {
  max-width: 720px;
  margin-bottom: 1.5rem;
  font-size: clamp(2.35rem, 3.4vw, 2.9rem);
  line-height: 1.42;
}

.hero-mobile-break {
  display: none;
}

@media (max-width: 767px) {
  .hero-mobile-break {
    display: inline;
  }
}

.hero-lead {
  max-width: 590px;
}

.hero-outcome {
  margin-top: 1.2rem;
  color: var(--hero-gold-soft);
  font-family: var(--font-serif-ja);
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  letter-spacing: 0.06em;
}

.hero-support {
  margin-top: 0.9rem;
  color: rgba(246, 243, 235, 0.68);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

.hero-price {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.4rem 0.8rem;
  margin-top: 1.15rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(229, 211, 167, 0.28);
  color: var(--hero-ink-light);
}

.hero-price span {
  color: var(--hero-gold-soft);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.hero-price strong {
  color: #fff;
  font-family: var(--font-serif-ja);
  font-size: clamp(1.35rem, 2.2vw, 1.7rem);
  font-weight: 700;
}

.hero-price small {
  color: rgba(246, 243, 235, 0.65);
  font-size: 0.72rem;
}

.hero-proof {
  min-width: 0;
}

.hero-visual-note {
  margin-top: 1rem;
  color: rgba(246, 243, 235, 0.58);
  font-size: 0.72rem;
  text-align: right;
}

.hero-app-row {
  grid-template-columns: minmax(78px, 0.75fr) minmax(0, 1.55fr) minmax(62px, 0.6fr);
}

.hero-work {
  min-width: 0;
  overflow: hidden;
  color: #506076;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.section-head-split {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.92fr);
  align-items: end;
  gap: clamp(2rem, 5vw, 5rem);
}

.section-head-split .section-lead {
  margin: 0;
}

.pain-list {
  margin-top: clamp(2.5rem, 5vw, 4.5rem);
  border-top: 1px solid var(--ai-line);
}

.pain-row {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 1.5rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--ai-line);
}

.pain-row > span {
  color: var(--ai-gold);
  font-family: var(--font-sans-en);
  font-size: 0.8rem;
  letter-spacing: 0.16em;
}

.pain-row h3 {
  margin-bottom: 0.6rem;
  color: var(--ai-ink);
  font-family: var(--font-serif-ja);
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  font-weight: 500;
}

.pain-row p {
  max-width: 760px;
  color: var(--ai-muted);
  font-size: 0.92rem;
  line-height: 1.9;
}

.section-services {
  background: #fff;
}

.change-stage {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  align-items: center;
  gap: clamp(2.5rem, 6vw, 6rem);
  margin-top: 3.5rem;
  padding: clamp(2rem, 4vw, 4rem);
  background: var(--ai-paper);
  border: 1px solid rgba(184, 152, 90, 0.22);
}

.change-kicker {
  margin-bottom: 1rem;
  color: var(--ai-gold);
  font-family: var(--font-sans-en);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
}

.change-copy h3 {
  margin-bottom: 1.25rem;
  color: var(--ai-ink);
  font-family: var(--font-serif-ja);
  font-size: clamp(1.45rem, 2.6vw, 2rem);
  font-weight: 500;
  line-height: 1.6;
}

.change-copy > p:not(.change-kicker) {
  color: var(--ai-muted);
  font-size: 0.92rem;
  line-height: 2;
}

.change-points {
  margin-top: 1.75rem;
  padding: 0;
  list-style: none;
}

.change-points li {
  position: relative;
  padding: 0.75rem 0 0.75rem 1.35rem;
  border-top: 1px solid var(--ai-line);
  color: var(--ai-ink);
  font-size: 0.88rem;
  line-height: 1.7;
}

.change-points li::before {
  content: '';
  position: absolute;
  top: 1.35rem;
  left: 0;
  width: 5px;
  height: 5px;
  background: var(--ai-gold);
  border-radius: 50%;
}

.change-screen {
  overflow: hidden;
  background: #fff;
  border: 1px solid #ddd8cc;
  border-radius: 8px;
  box-shadow: 0 24px 58px rgba(7, 26, 49, 0.14);
}

.change-screen-bar {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.2rem;
  color: #edf1f5;
  background: var(--ai-navy);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.change-screen-bar strong {
  color: var(--ai-gold-light);
}

.change-diff {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
  padding: 1.6rem;
  border-bottom: 1px solid #e8e4db;
}

.change-diff div {
  padding: 1rem;
  background: #f7f6f2;
  border: 1px solid #e5e1d8;
}

.change-diff small {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--ai-muted);
}

.change-diff p {
  color: var(--ai-ink);
  font-weight: 600;
}

.change-diff > span {
  color: var(--ai-gold);
  font-size: 1.3rem;
}

.test-result {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 1.6rem;
  border-bottom: 1px solid #ece8df;
  color: var(--ai-muted);
  font-size: 0.78rem;
}

.test-result strong {
  color: #35624d;
  font-family: var(--font-sans-en);
  font-size: 0.72rem;
  letter-spacing: 0.07em;
}

.section-scenario {
  background: var(--ai-paper);
}

.scenario-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 60px minmax(0, 1fr);
  align-items: stretch;
  gap: 1rem;
  margin-top: 3.5rem;
}

.scenario-side {
  padding: clamp(2rem, 4vw, 3.5rem);
  background: #fff;
  border: 1px solid var(--ai-line);
}

.scenario-side > span {
  color: var(--ai-gold);
  font-family: var(--font-sans-en);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
}

.scenario-side h3 {
  margin: 1rem 0;
  color: var(--ai-ink);
  font-family: var(--font-serif-ja);
  font-size: clamp(1.25rem, 2.2vw, 1.7rem);
  font-weight: 500;
  line-height: 1.6;
}

.scenario-side p {
  color: var(--ai-muted);
  font-size: 0.9rem;
  line-height: 2;
}

.scenario-after {
  border-color: rgba(184, 152, 90, 0.55);
}

.scenario-arrow {
  display: grid;
  place-items: center;
  color: var(--ai-gold);
  font-size: 1.8rem;
}

.section-process {
  background: #fff;
}

.process-line {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 3.5rem;
  border-top: 1px solid var(--ai-line);
  border-bottom: 1px solid var(--ai-line);
}

.process-step {
  position: relative;
  min-width: 0;
  padding: 2.3rem 1.6rem 2.5rem;
  border-left: 1px solid var(--ai-line);
}

.process-step:first-child {
  border-left: 0;
}

.process-step-final {
  background: var(--ai-paper);
}

.process-number {
  display: block;
  margin-bottom: 1.2rem;
  color: var(--ai-gold);
  font-family: var(--font-sans-en);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
}

.process-step h3 {
  margin-bottom: 0.8rem;
  color: var(--ai-ink);
  font-family: var(--font-serif-ja);
  font-size: 1.15rem;
  font-weight: 500;
  line-height: 1.6;
}

.process-step p {
  color: var(--ai-muted);
  font-size: 0.84rem;
  line-height: 1.9;
}

.section-guarantee {
  color: var(--hero-ink-light);
  background: var(--ai-navy);
}

.guarantee-statement {
  max-width: 850px;
}

.guarantee-statement .section-label {
  color: var(--ai-gold-light);
}

.guarantee-statement h2 {
  margin: 1rem 0 1.5rem;
  color: #fff;
  font-family: var(--font-serif-ja);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  line-height: 1.55;
}

.guarantee-statement p {
  max-width: 760px;
  color: #c9d4df;
  font-size: 0.95rem;
  line-height: 2;
}

.guarantee-boundary {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin-top: 3rem;
  border-top: 1px solid rgba(229, 211, 167, 0.35);
  border-bottom: 1px solid rgba(229, 211, 167, 0.35);
}

.guarantee-boundary > div {
  padding: 1.5rem 0;
}

.guarantee-boundary > div:nth-child(even) {
  padding-left: 2rem;
  border-left: 1px solid rgba(229, 211, 167, 0.25);
}

.guarantee-boundary > div:nth-child(odd) {
  padding-right: 2rem;
}

.guarantee-boundary > div:nth-child(n+3) {
  border-top: 1px solid rgba(229, 211, 167, 0.25);
}

.guarantee-boundary strong,
.guarantee-boundary span {
  display: block;
}

.guarantee-boundary strong {
  margin-bottom: 0.6rem;
  color: var(--ai-gold-light);
  font-size: 0.83rem;
}

.guarantee-boundary span {
  color: #d6dee6;
  font-size: 0.85rem;
  line-height: 1.7;
}

.handover-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  margin-top: 3.5rem;
  border: 1px solid var(--ai-line);
}

.handover-strip > div {
  min-width: 0;
  padding: 1.6rem 1.2rem;
  border-left: 1px solid var(--ai-line);
}

.handover-strip > div:first-child {
  border-left: 0;
}

.handover-strip span,
.handover-strip strong {
  display: block;
}

.handover-strip span {
  margin-bottom: 0.8rem;
  color: var(--ai-gold);
  font-family: var(--font-sans-en);
  font-size: 0.64rem;
  letter-spacing: 0.12em;
}

.handover-strip strong {
  color: var(--ai-ink);
  font-size: 0.83rem;
  line-height: 1.65;
}

.route-grid,
.fit-grid,
.faq-list {
  gap: 1.25rem;
}

.route-card,
.fit-panel,
.faq-item {
  border-radius: 0;
  box-shadow: none;
}

.contact-intro {
  margin-bottom: 2rem;
  color: var(--ai-muted);
  line-height: 1.9;
}

/* Restore the premium hero after the imported category stylesheet. */
.site-header {
  background: rgba(7, 26, 49, 0.96);
  border-bottom-color: rgba(200, 166, 97, 0.2);
  box-shadow: 0 8px 28px rgba(2, 12, 25, 0.12);
}

.site-header .logo-mark,
.site-header .logo-text,
.site-header .nav-main a {
  color: var(--hero-ink-light);
}

.site-header .logo-mark,
.site-header .nav-main a:hover {
  color: var(--hero-gold-soft);
}

.site-header .nav-toggle span {
  background: var(--hero-ink-light);
}

.hero-title {
  color: var(--hero-ink-light);
}

.hero-lead {
  color: var(--hero-copy-light);
}

.hero-cta {
  color: var(--hero-navy);
  background: var(--hero-ink-light);
  border-color: var(--hero-ink-light);
}

.route-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 3.25rem;
  border-top: 1px solid var(--ai-line);
  border-bottom: 1px solid var(--ai-line);
}

.route-card {
  position: relative;
  min-width: 0;
  padding: 2.4rem 1.75rem 2.6rem;
  border: 0;
  border-left: 1px solid var(--ai-line);
  background: transparent;
}

.route-card:first-child {
  border-left: 0;
}

.route-card-featured {
  background: var(--ai-paper);
}

.route-number {
  display: block;
  margin-bottom: 1.2rem;
  color: var(--ai-gold);
  font-family: var(--font-sans-en);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
}

.route-card h3 {
  margin-bottom: 0.9rem;
  color: var(--ai-ink);
  font-family: var(--font-serif-ja);
  font-size: 1.25rem;
  font-weight: 500;
}

.route-card p {
  color: var(--ai-muted);
  font-size: 0.86rem;
  line-height: 1.9;
}

.section-action {
  margin-top: 2.5rem;
  text-align: center;
}

.section-cta {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  min-height: 56px;
  padding: 0.95rem 1.5rem;
  color: #fff;
  background: var(--ai-navy);
  border: 1px solid var(--ai-navy);
  font-size: 0.88rem;
  letter-spacing: 0.04em;
}

.section-cta:hover {
  color: var(--ai-navy);
  background: transparent;
  border-color: var(--ai-gold);
}

.section-suitable {
  background: var(--ai-paper);
}

.fit-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin-top: 3.25rem;
  border-top: 1px solid var(--ai-line);
  border-bottom: 1px solid var(--ai-line);
}

.fit-panel {
  padding: 2.2rem 2rem 2.4rem;
  border: 0;
  background: transparent;
}

.fit-panel + .fit-panel {
  border-left: 1px solid var(--ai-line);
}

.fit-panel h3 {
  margin-bottom: 1.2rem;
  color: var(--ai-ink);
  font-family: var(--font-serif-ja);
  font-size: 1.2rem;
  font-weight: 500;
}

.fit-panel ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.fit-panel li {
  position: relative;
  padding: 0.55rem 0 0.55rem 1.15rem;
  color: var(--ai-muted);
  font-size: 0.84rem;
  line-height: 1.8;
}

.fit-panel li::before {
  content: '';
  position: absolute;
  top: 1.15rem;
  left: 0;
  width: 4px;
  height: 4px;
  background: var(--ai-gold);
  border-radius: 50%;
}

.fit-note {
  margin-top: 1.5rem;
  color: var(--ai-muted);
  font-size: 0.82rem;
  line-height: 1.8;
  text-align: center;
}

.faq-list {
  margin-top: 3rem;
  border-top: 1px solid var(--ai-line);
}

.faq-item {
  display: grid;
  grid-template-columns: minmax(260px, 0.82fr) minmax(0, 1.18fr);
  gap: 2.5rem;
  padding: 1.65rem 0;
  border: 0;
  border-bottom: 1px solid var(--ai-line);
  background: transparent;
}

.faq-item h3 {
  color: var(--ai-ink);
  font-family: var(--font-serif-ja);
  font-size: 1.02rem;
  font-weight: 500;
  line-height: 1.7;
}

.faq-item p {
  color: var(--ai-muted);
  font-size: 0.86rem;
  line-height: 1.9;
}

@media (max-width: 1024px) {
  .change-stage {
    grid-template-columns: 1fr;
  }

  .process-line {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-step:nth-child(3) {
    border-left: 0;
    border-top: 1px solid var(--ai-line);
  }

  .process-step:nth-child(4) {
    border-top: 1px solid var(--ai-line);
  }

  .handover-strip {
    grid-template-columns: repeat(3, 1fr);
  }

  .handover-strip > div:nth-child(4) {
    border-left: 0;
    border-top: 1px solid var(--ai-line);
  }

  .handover-strip > div:nth-child(5) {
    border-top: 1px solid var(--ai-line);
  }
}

@media (max-width: 768px) {
  .hero {
    padding-top: 7.5rem;
  }

  .hero-container,
  .section-head-split {
    grid-template-columns: 1fr;
  }

  .hero-title {
    font-size: clamp(2rem, 9.2vw, 2.7rem);
    line-height: 1.45;
  }

  .hero-lead {
    display: block;
    padding: 0;
    background: transparent;
    box-shadow: none;
  }

  .hero-outcome {
    font-size: 1.05rem;
  }

  .hero-proof {
    margin-top: 1rem;
  }

  .hero-app {
    transform: none;
  }

  .hero-app-row {
    grid-template-columns: 72px minmax(0, 1fr) 62px;
    gap: 0.45rem;
    font-size: 0.62rem;
  }

  .hero-visual-note {
    text-align: left;
  }

  .pain-row {
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 0.8rem;
  }

  .change-stage {
    padding: 1.5rem;
  }

  .change-diff {
    grid-template-columns: 1fr;
  }

  .change-diff > span {
    transform: rotate(90deg);
    text-align: center;
  }

  .scenario-flow {
    grid-template-columns: 1fr;
  }

  .scenario-arrow {
    transform: rotate(90deg);
    min-height: 42px;
  }

  .process-line,
  .guarantee-boundary,
  .handover-strip,
  .route-grid,
  .fit-grid {
    grid-template-columns: 1fr;
  }

  .process-step,
  .process-step:nth-child(3),
  .process-step:nth-child(4),
  .handover-strip > div,
  .handover-strip > div:nth-child(4),
  .handover-strip > div:nth-child(5) {
    border-left: 0;
    border-top: 1px solid var(--ai-line);
  }

  .process-step:first-child,
  .handover-strip > div:first-child {
    border-top: 0;
  }

  .guarantee-boundary > div + div {
    padding-left: 0;
    border-top: 1px solid rgba(229, 211, 167, 0.25);
    border-left: 0;
  }

  .guarantee-boundary > div:nth-child(odd) {
    padding-right: 0;
  }

  .handover-strip > div {
    display: grid;
    grid-template-columns: 100px minmax(0, 1fr);
    align-items: center;
    gap: 0.8rem;
  }

  .handover-strip span {
    margin-bottom: 0;
  }

  .route-card,
  .route-card:first-child {
    border-left: 0;
    border-top: 1px solid var(--ai-line);
  }

  .route-card:first-child {
    border-top: 0;
  }

  .fit-panel + .fit-panel {
    border-top: 1px solid var(--ai-line);
    border-left: 0;
  }

  .faq-item {
    grid-template-columns: 1fr;
    gap: 0.6rem;
  }
}

@media (max-width: 390px) {
  .hero-title {
    font-size: 2rem;
  }

  .hero-app-brand {
    font-size: 0.54rem;
    letter-spacing: 0.1em;
  }

  .hero-app-live {
    font-size: 0.5rem;
  }

  .hero-app-row {
    grid-template-columns: 64px minmax(0, 1fr) 58px;
    padding-inline: 0.55rem;
  }

  .change-stage,
  .scenario-side {
    padding: 1.25rem;
  }
}

/* ===== Visual density reset: grounded system-development design ===== */
:root {
  --ai-line: rgba(16, 35, 59, 0.24);
  --ai-line-strong: rgba(16, 35, 59, 0.46);
  --ai-gold-strong: #a77f35;
}

.hero {
  display: block;
  min-height: 0;
  padding: 6.75rem 0 0;
  border-bottom: 6px solid var(--ai-gold);
}

.hero-container {
  grid-template-columns: minmax(0, 1.04fr) minmax(480px, 0.96fr);
  gap: clamp(3rem, 4.5vw, 4.5rem);
  padding-bottom: clamp(2.75rem, 4vw, 3.5rem);
}

.hero-text {
  max-width: 650px;
}

.hero-question {
  display: block;
  width: fit-content;
  max-width: 100%;
  min-height: 34px;
  margin-bottom: 1.15rem;
  padding: 0.45rem 0.85rem;
  border: 2px solid rgba(200, 166, 97, 0.62);
  border-radius: 2px;
  background: rgba(200, 166, 97, 0.1);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.hero-question strong {
  display: block;
  margin-top: 0.18rem;
  white-space: nowrap;
}

.hero-label {
  margin-bottom: 1.25rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.24em;
}

.hero-title {
  max-width: 680px;
  margin-bottom: 1.35rem;
  font-size: clamp(2.65rem, 3.55vw, 3.15rem);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.025em;
}

.hero-lead {
  max-width: 620px;
  color: #dbe3eb;
  font-size: clamp(0.98rem, 1.25vw, 1.06rem);
  font-weight: 500;
  line-height: 1.85;
  letter-spacing: 0.025em;
}

.hero-outcome {
  max-width: 620px;
  margin-top: 1.3rem;
  padding: 0.85rem 0 0.85rem 1rem;
  color: #f2dfad;
  border-left: 5px solid var(--ai-gold);
  font-size: clamp(1.08rem, 1.5vw, 1.25rem);
  font-weight: 700;
  line-height: 1.75;
  letter-spacing: 0.025em;
}

.hero-cta {
  min-height: 64px;
  margin-top: 1.45rem;
  padding: 1rem 1.85rem;
  color: var(--ai-navy);
  background: var(--hero-gold);
  border: 2px solid var(--hero-gold);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.3);
  font-size: 0.98rem;
  font-weight: 700;
}

.hero-cta:hover {
  color: var(--hero-ink-light);
  background: transparent;
  border-color: var(--hero-gold-soft);
}

.hero-support {
  margin-top: 0.85rem;
  color: rgba(246, 243, 235, 0.78);
  font-size: 0.82rem;
  font-weight: 500;
}

.hero-proof {
  align-self: center;
}

.hero-app {
  border: 2px solid rgba(226, 207, 158, 0.9);
  border-radius: 4px;
  box-shadow: 0 32px 72px rgba(0, 5, 16, 0.5), 14px 14px 0 rgba(200, 166, 97, 0.12);
  transform: none;
}

.hero-app-bar {
  min-height: 56px;
  border-bottom: 2px solid rgba(200, 166, 97, 0.46);
}

.hero-app-title {
  font-size: clamp(1.12rem, 2vw, 1.45rem);
}

.hero-app-row {
  min-height: 48px;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom-color: rgba(16, 35, 59, 0.18);
}

.hero-visual-note {
  margin-top: 1rem;
  color: rgba(246, 243, 235, 0.72);
  font-size: 0.78rem;
  font-weight: 500;
}

.hero-commitments {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: min(calc(100% - 4rem), var(--container));
  margin: 0 auto;
  color: #fff;
  background: rgba(3, 15, 29, 0.78);
  border-top: 3px solid var(--ai-gold);
  border-right: 1px solid rgba(229, 211, 167, 0.32);
  border-left: 1px solid rgba(229, 211, 167, 0.32);
}

.hero-commitments > div {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  align-items: center;
  gap: 0.75rem;
  min-height: 76px;
  padding: 0.9rem 1.35rem;
  border-left: 1px solid rgba(229, 211, 167, 0.28);
}

.hero-commitments > div:first-child {
  border-left: 0;
}

.hero-commitments span {
  color: var(--hero-gold-soft);
  font-family: var(--font-sans-en);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.hero-commitments strong {
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.55;
}

.hero-scroll {
  display: none;
}

.section {
  padding: clamp(4.25rem, 6vw, 5.5rem) 0;
}

.section-routes {
  background: #f3efe5;
}

.section-suitable {
  background: #fff;
}

.section-head {
  margin-bottom: clamp(2.5rem, 4vw, 3.5rem);
}

.section-label {
  margin-bottom: 0.85rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.24em;
}

.section-title {
  padding-bottom: 1.15rem;
  font-size: clamp(1.8rem, 3vw, 2.35rem);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.04em;
}

.section-title::after {
  width: 56px;
  height: 3px;
  background: var(--ai-gold-strong);
}

.section-lead {
  color: #556579;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.85;
}

.section-head-split {
  align-items: center;
  gap: clamp(2rem, 4vw, 4rem);
}

.section-head-split > div {
  padding-left: 1.25rem;
  border-left: 6px solid var(--ai-gold);
}

.section-head-split .section-title {
  padding-bottom: 0;
}

.section-head-split .section-title::after {
  display: none;
}

.pain-list {
  margin-top: 2.5rem;
  border-top: 3px solid var(--ai-ink);
}

.pain-row {
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 1.25rem;
  padding: 1.55rem 1.25rem;
  border-bottom: 2px solid var(--ai-line);
}

.pain-row:nth-child(even) {
  background: rgba(184, 152, 90, 0.055);
}

.pain-row > span {
  font-size: 0.88rem;
  font-weight: 700;
}

.pain-row h3 {
  margin-bottom: 0.45rem;
  font-size: clamp(1.2rem, 1.8vw, 1.42rem);
  font-weight: 700;
}

.pain-row p {
  color: #536276;
  font-size: 0.98rem;
  line-height: 1.75;
}

.change-stage {
  gap: clamp(2.5rem, 4vw, 4rem);
  margin-top: 2.5rem;
  padding: clamp(2.25rem, 4vw, 3.5rem);
  background: #f4f0e6;
  border: 2px solid rgba(167, 127, 53, 0.48);
  border-left: 8px solid var(--ai-gold-strong);
  box-shadow: 0 22px 52px rgba(7, 26, 49, 0.1);
}

.change-copy h3,
.scenario-side h3,
.process-step h3,
.route-card h3,
.fit-panel h3,
.faq-item h3 {
  font-weight: 700;
}

.change-copy > p:not(.change-kicker),
.scenario-side p,
.process-step p,
.route-card p,
.fit-panel li,
.faq-item p {
  color: #526176;
  font-size: 0.94rem;
  line-height: 1.8;
}

.change-points li {
  border-top: 2px solid var(--ai-line);
  font-size: 0.94rem;
  font-weight: 600;
}

.change-screen {
  border: 2px solid rgba(16, 35, 59, 0.28);
  border-radius: 4px;
  box-shadow: 0 24px 48px rgba(7, 26, 49, 0.2);
}

.scenario-flow {
  grid-template-columns: minmax(0, 1fr) 72px minmax(0, 1fr);
  gap: 0;
  margin-top: 2.5rem;
}

.scenario-side {
  padding: clamp(2rem, 3.5vw, 3rem);
  border: 2px solid var(--ai-line-strong);
}

.scenario-after {
  background: #fffaf0;
  border: 3px solid var(--ai-gold-strong);
}

.scenario-arrow {
  font-size: 2.1rem;
  font-weight: 700;
}

.process-line {
  margin-top: 2.5rem;
  border-top: 3px solid var(--ai-ink);
  border-bottom: 3px solid var(--ai-ink);
}

.process-step {
  padding: 1.9rem 1.45rem 2.1rem;
  border-left: 2px solid var(--ai-line);
}

.process-number,
.route-number {
  font-weight: 700;
}

.process-step-final,
.route-card-featured {
  background: #eee6d5;
}

.section-guarantee {
  border-top: 6px solid var(--ai-gold);
  border-bottom: 6px solid var(--ai-gold);
}

.guarantee-statement h2 {
  font-weight: 700;
  line-height: 1.45;
}

.guarantee-statement p {
  color: #d8e1e9;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.85;
}

.guarantee-boundary {
  margin-top: 2.5rem;
  border-top: 2px solid rgba(229, 211, 167, 0.5);
  border-bottom: 2px solid rgba(229, 211, 167, 0.5);
}

.guarantee-boundary > div + div {
  border-left-width: 2px;
}

.handover-strip {
  margin-top: 2.5rem;
  border: 2px solid var(--ai-line-strong);
}

.handover-strip > div {
  padding: 1.45rem 1.1rem;
  border-left: 2px solid var(--ai-line);
}

.handover-strip span,
.handover-strip strong {
  font-weight: 700;
}

.handover-strip strong {
  font-size: 0.9rem;
}

.route-grid,
.fit-grid {
  margin-top: 2.5rem;
  border-top: 3px solid var(--ai-ink);
  border-bottom: 3px solid var(--ai-ink);
}

.route-card {
  padding: 2rem 1.65rem 2.25rem;
  border-left: 2px solid var(--ai-line);
}

.route-card h3,
.fit-panel h3 {
  font-size: 1.28rem;
}

.section-cta {
  min-height: 62px;
  padding: 1rem 1.8rem;
  border: 2px solid var(--ai-navy);
  box-shadow: 0 14px 28px rgba(7, 26, 49, 0.16);
  font-size: 0.94rem;
  font-weight: 700;
}

.fit-panel {
  padding: 2rem 1.75rem 2.25rem;
}

.fit-panel + .fit-panel {
  border-left: 2px solid var(--ai-line);
}

.fit-panel li::before {
  width: 6px;
  height: 6px;
}

.faq-list {
  margin-top: 2.5rem;
  border-top: 3px solid var(--ai-ink);
}

.faq-item {
  gap: 2rem;
  padding: 1.45rem 0;
  border-bottom: 2px solid var(--ai-line);
}

.faq-item h3 {
  font-size: 1.08rem;
}

.contact-box {
  max-width: 720px;
  padding: 3rem clamp(1.75rem, 4vw, 3.5rem);
  background: #fff;
  border: 2px solid var(--ai-line-strong);
  border-top: 7px solid var(--ai-gold-strong);
  box-shadow: 0 24px 56px rgba(7, 26, 49, 0.11);
}

.contact-intro {
  margin-bottom: 2rem;
  color: #526176;
  font-size: 0.96rem;
  font-weight: 500;
  line-height: 1.8;
}

.form-label {
  font-weight: 700;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  border-width: 2px;
}

.contact-submit {
  min-width: 190px;
  min-height: 64px;
  border: 2px solid var(--ai-navy);
  box-shadow: 0 14px 28px rgba(7, 26, 49, 0.16);
}

@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: minmax(0, 1fr) minmax(390px, 0.92fr);
    gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 6rem 0 0;
  }

  .hero-container {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding: 0 1.25rem 2.75rem;
  }

  .hero-question {
    font-size: 0.66rem;
    line-height: 1.5;
  }

  .hero-label {
    display: none;
  }

  .hero-title {
    margin-bottom: 1.15rem;
    font-size: clamp(1.72rem, 7.8vw, 2rem);
    font-weight: 700;
    line-height: 1.34;
  }

  .hero-lead {
    font-size: 0.96rem;
    line-height: 1.75;
  }

  .hero-outcome {
    padding-left: 0.85rem;
    font-size: 1.05rem;
  }

  .hero-cta {
    min-height: 64px;
    padding: 0.95rem 1rem;
    gap: 0.5rem;
    font-size: 0.84rem;
    letter-spacing: 0.01em;
  }

  .hero-proof {
    margin-top: 0;
  }

  .hero-visual-note {
    text-align: left;
  }

  .hero-commitments {
    grid-template-columns: 1fr;
    width: 100%;
    border-right: 0;
    border-left: 0;
  }

  .hero-commitments > div {
    min-height: 64px;
    padding: 0.9rem 1.25rem;
    border-top: 1px solid rgba(229, 211, 167, 0.28);
    border-left: 0;
  }

  .hero-commitments > div:first-child {
    border-top: 0;
  }

  .section {
    padding: 3.75rem 0;
  }

  .section-head {
    margin-bottom: 2.25rem;
  }

  .section-title {
    font-size: 1.65rem;
  }

  .section-head-split > div {
    padding-left: 0.9rem;
    border-left-width: 5px;
  }

  .pain-list,
  .change-stage,
  .scenario-flow,
  .process-line,
  .handover-strip,
  .route-grid,
  .fit-grid,
  .faq-list {
    margin-top: 2rem;
  }

  .pain-row {
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 0.75rem;
    padding: 1.25rem 0.75rem;
  }

  .change-stage {
    padding: 1.4rem;
    border-left-width: 5px;
  }

  .scenario-flow {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .scenario-side {
    padding: 1.5rem;
  }

  .process-step,
  .process-step:nth-child(3),
  .process-step:nth-child(4),
  .handover-strip > div,
  .handover-strip > div:nth-child(4),
  .handover-strip > div:nth-child(5),
  .route-card,
  .route-card:first-child,
  .fit-panel + .fit-panel,
  .guarantee-boundary > div + div {
    border-top-width: 2px;
  }

  .contact-box {
    padding: 2rem 1.25rem;
  }
}

/* Plain-language AI development explanation and service scope. */
.section-label {
  font-family: var(--font-sans-ja);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  line-height: 1.65;
}

.section-ai-explainer {
  background: var(--ai-paper);
}

.ai-build-flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: clamp(2.5rem, 5vw, 4rem);
  border-top: 3px solid var(--ai-ink);
  border-bottom: 3px solid var(--ai-ink);
}

.ai-build-flow article {
  min-width: 0;
  padding: 2rem 1.45rem 2.25rem;
  border-left: 2px solid var(--ai-line);
}

.ai-build-flow article:first-child {
  border-left: 0;
}

.ai-build-flow article > span,
.support-scope-grid article > span {
  display: block;
  margin-bottom: 1rem;
  color: var(--ai-gold);
  font-family: var(--font-sans-en);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.ai-build-flow h3,
.ai-example-grid h3,
.support-scope-grid h3 {
  margin-bottom: 0.8rem;
  color: var(--ai-ink);
  font-family: var(--font-serif-ja);
  font-size: 1.18rem;
  font-weight: 600;
  line-height: 1.55;
}

.ai-build-flow p,
.ai-example-grid p,
.support-scope-grid p {
  color: #526176;
  font-size: 0.86rem;
  line-height: 1.9;
}

.ai-explainer-summary {
  margin-top: 2rem;
  padding: 1.4rem 1.6rem;
  color: var(--hero-ink-light);
  background: var(--ai-navy);
  border-left: 7px solid var(--ai-gold);
  font-family: var(--font-serif-ja);
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  font-weight: 600;
  line-height: 1.8;
}

.ai-example-heading {
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  margin-top: clamp(3.25rem, 6vw, 5rem);
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--ai-line-strong);
}

.ai-example-heading > span {
  color: var(--ai-gold);
  font-family: var(--font-sans-en);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.ai-example-heading h3 {
  color: var(--ai-ink);
  font-family: var(--font-serif-ja);
  font-size: clamp(1.25rem, 2.3vw, 1.7rem);
  font-weight: 600;
}

.ai-example-note {
  margin: 0.85rem 0 1rem;
  color: #526176;
  font-size: 0.82rem;
  line-height: 1.8;
}

.ai-example-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-bottom: 2px solid var(--ai-line-strong);
}

.ai-example-grid article {
  padding: 1.8rem 1.5rem 2rem;
  border-top: 2px solid var(--ai-line);
}

.ai-example-grid article:nth-child(even) {
  border-left: 2px solid var(--ai-line);
}

.ai-example-grid article > span {
  display: inline-block;
  margin-bottom: 0.8rem;
  padding: 0.25rem 0.55rem;
  color: var(--ai-navy);
  background: var(--ai-gold-light);
  font-size: 0.72rem;
  font-weight: 700;
}

.section-support-scope {
  background: #fff;
}

.support-scope-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 3rem;
  border-top: 3px solid var(--ai-ink);
  border-bottom: 3px solid var(--ai-ink);
}

.support-scope-grid article {
  min-width: 0;
  padding: 2rem clamp(1.4rem, 3vw, 2.5rem) 2.25rem;
  border-top: 2px solid var(--ai-line);
}

.support-scope-grid article:nth-child(-n + 2) {
  border-top: 0;
}

.support-scope-grid article:nth-child(even) {
  border-left: 2px solid var(--ai-line);
}

@media (max-width: 1024px) {
  .ai-build-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ai-build-flow article:nth-child(3) {
    border-top: 2px solid var(--ai-line);
    border-left: 0;
  }

  .ai-build-flow article:nth-child(4) {
    border-top: 2px solid var(--ai-line);
  }
}

@media (max-width: 768px) {
  .ai-build-flow,
  .ai-example-grid,
  .support-scope-grid {
    grid-template-columns: 1fr;
    margin-top: 2rem;
  }

  .ai-build-flow article,
  .ai-build-flow article:nth-child(3),
  .ai-build-flow article:nth-child(4),
  .ai-example-grid article,
  .ai-example-grid article:nth-child(even),
  .support-scope-grid article,
  .support-scope-grid article:nth-child(-n + 2),
  .support-scope-grid article:nth-child(even) {
    padding: 1.35rem 1rem 1.55rem;
    border-top: 2px solid var(--ai-line);
    border-left: 0;
  }

  .ai-build-flow article:first-child,
  .ai-example-grid article:first-child,
  .support-scope-grid article:first-child {
    border-top: 0;
  }

  .ai-explainer-summary {
    margin-top: 1.5rem;
    padding: 1.15rem 1rem;
    border-left-width: 5px;
  }

  .ai-example-heading {
    display: block;
    margin-top: 3rem;
  }

  .ai-example-heading h3 {
    margin-top: 0.65rem;
    line-height: 1.55;
  }
}

/* 非IT部門の社員でも取り組める理由を、FAQより前で回答する */
.employee-doubt-box {
  margin-top: clamp(2.5rem, 5vw, 4.5rem);
  padding: clamp(2rem, 4.5vw, 3.5rem);
  background: var(--ai-paper);
  border-top: 4px solid var(--ai-gold);
  box-shadow: 0 18px 55px rgba(7, 26, 49, 0.08);
}

.employee-doubt-kicker {
  margin: 0 0 0.8rem;
  color: var(--ai-gold);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.employee-doubt-box h3 {
  margin: 0 0 1.35rem;
  color: var(--ai-ink);
  font-family: var(--font-serif-ja);
  font-size: clamp(1.45rem, 2.8vw, 2.2rem);
  font-weight: 500;
  line-height: 1.65;
}

.employee-doubt-box > p:not(.employee-doubt-kicker) {
  max-width: 880px;
  color: #526176;
  font-size: 0.94rem;
  line-height: 2;
}

.employee-doubt-box strong {
  color: var(--ai-ink);
}

.employee-doubt-boundary {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(16, 35, 59, 0.14);
}

@media (max-width: 640px) {
  .employee-doubt-box {
    padding: 1.65rem 1.2rem;
  }

  .employee-doubt-box h3 br {
    display: none;
  }
}