:root {
  --color-ink: #101722;
  --color-navy: #0b1f36;
  --color-navy-2: #071525;
  --color-blue: #123b63;
  --color-muted: #667487;
  --color-line: #d9e1ea;
  --color-soft: #f5f7fa;
  --color-white: #ffffff;
  --color-gold: #b9975b;
  --color-cyan: #2e9ab8;
  --color-ivory: #fbfaf7;
  --radius: 6px;
  --shadow-soft: 0 24px 70px rgba(13, 31, 52, 0.1);
  --shadow-card: 0 16px 44px rgba(13, 31, 52, 0.07);
  --max-width: 1160px;
  --header-height: 76px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  max-width: 100%;
  overflow-x: hidden;
  color: var(--color-ink);
  font-family: "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.75;
  background:
    linear-gradient(90deg, rgba(11, 31, 54, 0.026) 1px, transparent 1px) 0 0 / 64px 64px,
    linear-gradient(180deg, rgba(11, 31, 54, 0.018) 1px, transparent 1px) 0 0 / 64px 64px,
    var(--color-white);
}

a {
  color: inherit;
  text-decoration: none;
}

img,
svg {
  display: block;
  max-width: 100%;
}

button,
input,
select,
textarea {
  font: inherit;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 50;
  display: flex;
  width: 100%;
  height: var(--header-height);
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(20px, 4vw, 48px);
  border-bottom: 1px solid rgba(217, 225, 234, 0.72);
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(22px) saturate(1.2);
  transition: box-shadow 0.2s ease, background 0.2s ease;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 10px 30px rgba(13, 31, 52, 0.08);
}

.brand {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  gap: 14px;
  font-weight: 700;
}

.brand__mark {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  color: var(--color-navy);
}

.brand__mark svg {
  width: 100%;
  height: 100%;
}

.logo-stroke,
.logo-line {
  fill: none;
  stroke: var(--color-navy);
  stroke-linecap: square;
  stroke-linejoin: miter;
}

.logo-stroke {
  stroke-width: 7;
}

.logo-line {
  stroke-width: 8;
}

.logo-wave {
  fill: none;
  stroke: var(--color-gold);
  stroke-linecap: round;
  stroke-width: 7;
}

.brand__text {
  display: grid;
  min-width: 0;
  line-height: 1.18;
}

.brand__text span {
  overflow: hidden;
  max-width: 250px;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--color-navy);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.35rem;
  font-weight: 500;
}

.brand__text small {
  color: var(--color-muted);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: #334155;
  font-size: 0.9rem;
  font-weight: 600;
}

.desktop-nav a {
  position: relative;
}

.desktop-nav a::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 1px;
  background: var(--color-gold);
  content: "";
  opacity: 0;
  transform: scaleX(0.5);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.desktop-nav a:hover::after {
  opacity: 1;
  transform: scaleX(1);
}

.language-switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-left: 18px;
  color: var(--color-muted);
  font-size: 0.82rem;
  font-weight: 700;
  white-space: nowrap;
}

.language-switch button {
  padding: 4px 0;
  border: 0;
  background: transparent;
  color: var(--color-muted);
  cursor: pointer;
  font-weight: 700;
}

.language-switch button.is-active {
  color: var(--color-navy);
}

.language-switch button.is-active::after {
  display: block;
  height: 1px;
  margin-top: 3px;
  background: var(--color-gold);
  content: "";
}

.language-switch--mobile {
  margin: 10px 14px 4px;
  padding-top: 12px;
  border-top: 1px solid var(--color-line);
}

.language-switch--header-mobile {
  display: none;
  margin-left: auto;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-white);
  cursor: pointer;
}

.nav-toggle span {
  position: absolute;
  width: 18px;
  height: 2px;
  background: var(--color-navy);
  transition: transform 0.2s ease;
}

.nav-toggle span:first-child {
  transform: translateY(-4px);
}

.nav-toggle span:last-child {
  transform: translateY(4px);
}

.nav-toggle.is-open span:first-child {
  transform: rotate(45deg);
}

.nav-toggle.is-open span:last-child {
  transform: rotate(-45deg);
}

.mobile-nav {
  position: fixed;
  top: var(--header-height);
  right: 16px;
  left: 16px;
  z-index: 45;
  display: none;
  padding: 10px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-white);
  box-shadow: var(--shadow-soft);
}

.mobile-nav.is-open {
  display: grid;
}

.mobile-nav a {
  padding: 12px 14px;
  border-bottom: 1px solid var(--color-line);
  color: var(--color-navy);
  font-weight: 600;
}

.mobile-nav a:last-child {
  border-bottom: 0;
}

.section {
  position: relative;
  padding: clamp(72px, 9vw, 120px) 24px;
}

.section__inner {
  width: min(100%, var(--max-width));
  margin: 0 auto;
}

.hero {
  min-height: 88svh;
  padding-top: calc(var(--header-height) + clamp(72px, 9vw, 100px));
  overflow: hidden;
  background:
    linear-gradient(118deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.92) 44%, rgba(241, 246, 250, 0.9) 100%),
    radial-gradient(circle at 82% 18%, rgba(46, 154, 184, 0.13), transparent 34%),
    radial-gradient(circle at 70% 86%, rgba(185, 151, 91, 0.11), transparent 28%);
}

.hero::before {
  position: absolute;
  top: var(--header-height);
  right: 0;
  width: 43vw;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(185, 151, 91, 0.75));
  content: "";
}

.hero::after {
  position: absolute;
  right: clamp(16px, 5vw, 72px);
  bottom: 34px;
  width: min(38vw, 440px);
  height: 1px;
  background: linear-gradient(90deg, rgba(46, 154, 184, 0.72), transparent);
  content: "";
}

.hero__grid {
  display: grid;
  align-items: center;
  gap: clamp(40px, 8vw, 88px);
  grid-template-columns: minmax(0, 1.02fr) minmax(340px, 0.98fr);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  color: var(--color-gold);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 34px;
  height: 1px;
  background: currentColor;
  content: "";
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 24px;
  color: var(--color-navy);
  max-width: 760px;
  font-size: clamp(2.65rem, 4.7vw, 4.9rem);
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.15;
}

h1 span {
  display: block;
}

h2 {
  margin-bottom: 0;
  color: var(--color-navy);
  font-size: clamp(2rem, 3.2vw, 3rem);
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.28;
}

h3 {
  color: var(--color-navy);
  font-size: 1.15rem;
  line-height: 1.45;
}

.hero__lead {
  max-width: 720px;
  margin-bottom: 12px;
  color: #384759;
  font-size: clamp(1rem, 1.6vw, 1.16rem);
}

.hero__proof {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.hero__proof span {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  padding: 0 13px;
  border: 1px solid rgba(185, 151, 91, 0.34);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.64);
  color: #334155;
  font-size: 0.84rem;
  font-weight: 600;
  backdrop-filter: blur(10px);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button--primary {
  background: linear-gradient(135deg, var(--color-navy), #143c63);
  color: var(--color-white);
  box-shadow: 0 12px 28px rgba(11, 31, 54, 0.18);
}

.button--primary:hover {
  background: #092742;
}

.button--secondary {
  border-color: var(--color-line);
  background: rgba(255, 255, 255, 0.78);
  color: var(--color-navy);
}

.hero-visual__panel {
  position: relative;
  min-height: 520px;
  overflow: hidden;
  border: 1px solid rgba(217, 225, 234, 0.92);
  border-radius: var(--radius);
  background:
    linear-gradient(155deg, rgba(255, 255, 255, 0.92), rgba(246, 249, 252, 0.86)),
    repeating-linear-gradient(90deg, rgba(18, 59, 99, 0.065) 0 1px, transparent 1px 58px),
    repeating-linear-gradient(0deg, rgba(18, 59, 99, 0.05) 0 1px, transparent 1px 58px);
  box-shadow: var(--shadow-soft);
}

.hero-visual__panel::before {
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: calc(var(--radius) - 1px);
  content: "";
  pointer-events: none;
}

.hero-visual__panel::after {
  position: absolute;
  right: -90px;
  bottom: -120px;
  width: 300px;
  height: 300px;
  border: 1px solid rgba(185, 151, 91, 0.2);
  border-radius: 50%;
  content: "";
}

.visual-metric {
  position: absolute;
  z-index: 3;
  display: grid;
  gap: 2px;
  padding: 14px 16px;
  border: 1px solid rgba(217, 225, 234, 0.8);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 14px 34px rgba(11, 31, 54, 0.1);
  backdrop-filter: blur(14px);
}

.visual-metric--top {
  top: 28px;
  right: 28px;
}

.visual-metric span {
  color: var(--color-muted);
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
}

.visual-metric strong {
  color: var(--color-navy);
  font-size: 1rem;
}

.map-lines {
  position: absolute;
  inset: 0;
}

.map-lines::before {
  position: absolute;
  inset: 76px 50px 72px;
  border: 1px solid rgba(18, 59, 99, 0.15);
  border-radius: var(--radius);
  content: "";
}

.map-lines__dot {
  position: absolute;
  z-index: 2;
  display: inline-flex;
  min-width: 78px;
  height: 34px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(185, 151, 91, 0.42);
  border-radius: 999px;
  background: var(--color-white);
  color: var(--color-navy);
  font-size: 0.74rem;
  font-weight: 700;
  box-shadow: 0 10px 24px rgba(11, 31, 54, 0.1);
}

.map-lines__dot::before {
  width: 7px;
  height: 7px;
  margin-right: 7px;
  border-radius: 50%;
  background: var(--color-cyan);
  content: "";
}

.map-lines__dot--osaka {
  right: 24%;
  top: 38%;
}

.map-lines__dot--china {
  left: 14%;
  bottom: 28%;
}

.map-lines__dot--tokyo {
  right: 12%;
  top: 18%;
}

.map-lines__arc {
  position: absolute;
  border: 1px solid rgba(46, 154, 184, 0.45);
  border-right: 0;
  border-bottom: 0;
  transform: rotate(-18deg);
  filter: drop-shadow(0 8px 12px rgba(46, 154, 184, 0.08));
}

.visual-bars {
  position: absolute;
  right: 46px;
  bottom: 170px;
  z-index: 1;
  display: flex;
  align-items: end;
  gap: 10px;
  opacity: 0.68;
}

.visual-bars span {
  display: block;
  width: 18px;
  border: 1px solid rgba(18, 59, 99, 0.1);
  background: linear-gradient(180deg, rgba(46, 154, 184, 0.35), rgba(11, 31, 54, 0.08));
}

.visual-bars span:nth-child(1) {
  height: 74px;
}

.visual-bars span:nth-child(2) {
  height: 116px;
}

.visual-bars span:nth-child(3) {
  height: 92px;
}

.visual-bars span:nth-child(4) {
  height: 146px;
}

.map-lines__arc--one {
  left: 25%;
  top: 28%;
  width: 52%;
  height: 28%;
}

.map-lines__arc--two {
  left: 19%;
  top: 39%;
  width: 46%;
  height: 26%;
  border-color: rgba(185, 151, 91, 0.5);
}

.visual-card {
  position: absolute;
  display: grid;
  gap: 8px;
  width: min(72%, 330px);
  padding: 20px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 20px 40px rgba(11, 31, 54, 0.12);
  backdrop-filter: blur(16px);
}

.visual-card span {
  color: var(--color-gold);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.visual-card strong {
  color: var(--color-navy);
  font-size: 0.95rem;
  line-height: 1.55;
}

.visual-card--main {
  right: 32px;
  bottom: 54px;
}

.visual-card--sub {
  left: 30px;
  top: 54px;
}

.section-heading {
  max-width: 780px;
  margin-bottom: clamp(30px, 4vw, 44px);
}

.section-heading--center {
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.section-heading--row {
  display: grid;
  max-width: none;
  align-items: end;
  gap: 28px;
  grid-template-columns: 0.85fr 1fr;
}

.section-heading--row > p {
  margin-bottom: 4px;
  color: var(--color-muted);
}

.split-cards {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-card,
.pain-card,
.price-card {
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-white);
  box-shadow: var(--shadow-card);
}

.feature-card {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 4vw, 42px);
}

.feature-card::after {
  position: absolute;
  top: 0;
  right: 0;
  width: 42%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-gold));
  content: "";
}

.feature-card--dark {
  border-color: rgba(255, 255, 255, 0.1);
  background:
    linear-gradient(135deg, rgba(11, 31, 54, 0.96), rgba(14, 45, 74, 0.98)),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.05) 0 1px, transparent 1px 48px);
  color: var(--color-white);
}

.feature-card h3 {
  margin-bottom: 24px;
  font-size: clamp(1.45rem, 2.2vw, 2rem);
}

.feature-card--dark h3 {
  color: var(--color-white);
}

.feature-card__label {
  margin-bottom: 8px;
  color: var(--color-gold);
  font-size: 0.86rem;
  font-weight: 700;
}

.check-list,
.fit-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li,
.fit-list li {
  position: relative;
  padding-left: 24px;
}

.check-list li::before,
.fit-list li::before {
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-cyan);
  content: "";
}

.section--muted {
  background:
    linear-gradient(180deg, rgba(245, 247, 250, 0.96), rgba(251, 250, 247, 0.9)),
    var(--color-soft);
}

.pain-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.pain-card {
  position: relative;
  padding: 26px;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.pain-card:hover,
.case-card:hover,
.price-card:hover {
  border-color: rgba(185, 151, 91, 0.42);
  box-shadow: 0 22px 54px rgba(13, 31, 52, 0.1);
  transform: translateY(-3px);
}

.pain-card__number,
.service-item span,
.flow-step span {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--color-gold);
  font-size: 0.78rem;
  font-weight: 700;
}

.pain-card h3 {
  margin-bottom: 12px;
}

.pain-card p,
.service-item p,
.flow-step p,
.profile__body p {
  color: var(--color-muted);
}

.service-list {
  border-top: 1px solid var(--color-line);
}

.service-item {
  display: grid;
  gap: 24px;
  padding: 30px 0;
  border-bottom: 1px solid var(--color-line);
  grid-template-columns: 72px 1fr;
  transition: padding-left 0.2s ease, border-color 0.2s ease;
}

.service-item:hover {
  padding-left: 14px;
  border-color: rgba(185, 151, 91, 0.48);
}

.service-item h3 {
  margin-bottom: 8px;
}

.service-item p {
  max-width: 840px;
  margin-bottom: 0;
}

.section--navy {
  background:
    linear-gradient(135deg, rgba(7, 21, 37, 0.98), rgba(11, 31, 54, 0.96) 45%, rgba(18, 59, 99, 0.98)),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.055) 0 1px, transparent 1px 72px);
  color: var(--color-white);
}

.section--navy h2,
.section--navy h3 {
  color: var(--color-white);
}

.flow {
  display: grid;
  gap: 1px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  overflow: hidden;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.flow-step {
  min-height: 260px;
  padding: 28px;
  background: rgba(255, 255, 255, 0.065);
}

.flow-step p {
  color: rgba(255, 255, 255, 0.72);
}

.ai-production {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(245, 247, 250, 0.9)),
    var(--color-white);
}

.ai-production__grid {
  display: grid;
  align-items: center;
  gap: clamp(28px, 5vw, 64px);
  grid-template-columns: minmax(0, 0.92fr) minmax(340px, 0.78fr);
}

.ai-production__content p:not(.eyebrow):not(.ai-production__lead):not(.ai-production__statement) {
  color: var(--color-muted);
}

.ai-production__lead {
  margin: 14px 0 18px;
  color: var(--color-navy);
  font-size: clamp(1.08rem, 1.7vw, 1.28rem);
  font-weight: 700;
}

.ai-production__statement {
  margin: 24px 0 0;
  padding-left: 16px;
  border-left: 3px solid var(--color-gold);
  color: var(--color-navy);
  font-weight: 700;
}

.cost-compare {
  display: grid;
  gap: 14px;
  padding: clamp(22px, 3vw, 30px);
  border: 1px solid rgba(185, 151, 91, 0.32);
  border-radius: var(--radius);
  background: var(--color-white);
  box-shadow: var(--shadow-card);
}

.cost-card {
  display: grid;
  gap: 8px;
  padding: 20px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: #fbfcfd;
}

.cost-card span {
  color: var(--color-muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.cost-card strong {
  color: var(--color-navy);
  font-size: clamp(1.3rem, 2.2vw, 1.72rem);
  line-height: 1.35;
}

.cost-card--highlight {
  border-color: rgba(185, 151, 91, 0.5);
  background:
    linear-gradient(135deg, rgba(11, 31, 54, 0.98), rgba(18, 59, 99, 0.96)),
    var(--color-navy);
}

.cost-card--highlight span {
  color: rgba(255, 255, 255, 0.72);
}

.cost-card--highlight strong {
  color: var(--color-gold);
  font-size: clamp(1.65rem, 3vw, 2.28rem);
}

.cost-compare > p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.76rem;
  line-height: 1.65;
}

.case-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.case-card {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  gap: 12px;
  padding: clamp(22px, 2.6vw, 30px);
  border: 1px solid var(--color-line);
  border-top: 3px solid var(--color-gold);
  border-radius: var(--radius);
  background: var(--color-white);
  box-shadow: 0 14px 36px rgba(13, 31, 52, 0.06);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.case-card__number {
  margin-bottom: 0;
  color: var(--color-gold);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.case-card__category {
  margin-bottom: 0;
  color: var(--color-cyan);
  font-size: 0.8rem;
  font-weight: 700;
}

.case-card h3,
.case-card p {
  margin-bottom: 0;
}

.case-card h3 {
  font-size: clamp(1.08rem, 1.5vw, 1.32rem);
}

.case-card p {
  color: var(--color-muted);
  font-size: 0.93rem;
}

.case-card ul {
  display: grid;
  gap: 7px;
  margin: 4px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--color-line);
  color: #334155;
  font-size: 0.88rem;
  line-height: 1.62;
  list-style: none;
}

.case-card li {
  position: relative;
  padding-left: 18px;
}

.case-card li::before {
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 6px;
  height: 6px;
  background: var(--color-gold);
  content: "";
}

.case-card__note {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid rgba(217, 225, 234, 0.78);
  color: #7a8492;
  font-size: 0.76rem;
  line-height: 1.65;
}

.case-card--wide {
  grid-column: 1 / -1;
}

.case-card--wide ul {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.other-cases {
  display: grid;
  gap: 24px;
  margin-top: 24px;
  padding: clamp(26px, 4vw, 38px);
  border: 1px solid rgba(185, 151, 91, 0.32);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(245, 247, 250, 0.92)),
    var(--color-white);
  box-shadow: var(--shadow-card);
}

.other-cases__heading h3 {
  margin-bottom: 10px;
  font-size: clamp(1.45rem, 2.2vw, 2rem);
}

.other-cases__heading p,
.other-cases__closing {
  max-width: 900px;
  margin-bottom: 0;
  color: var(--color-muted);
}

.other-cases__list {
  display: grid;
  gap: 10px 22px;
  margin: 0;
  padding: 0;
  color: #334155;
  font-size: 0.92rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  list-style: none;
}

.other-cases__list li {
  position: relative;
  padding-left: 20px;
}

.other-cases__list li::before {
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 7px;
  height: 7px;
  border: 1px solid var(--color-gold);
  content: "";
  transform: rotate(45deg);
}

.other-cases__closing {
  padding-top: 18px;
  border-top: 1px solid var(--color-line);
  color: var(--color-navy);
  font-weight: 700;
}

.fit__grid,
.profile__grid,
.faq__grid {
  display: grid;
  gap: clamp(32px, 6vw, 74px);
  grid-template-columns: 0.78fr 1.22fr;
}

.fit-list {
  align-self: start;
  padding: 26px;
  border-top: 2px solid var(--color-navy);
  border-bottom: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-white);
  box-shadow: var(--shadow-card);
  columns: 2;
}

.fit-list li {
  margin-bottom: 12px;
  break-inside: avoid;
}

.profile-card {
  align-self: start;
  padding: 34px;
  border-left: 4px solid var(--color-gold);
  border-radius: var(--radius);
  background: var(--color-white);
  box-shadow: var(--shadow-soft);
}

.profile-aside {
  display: grid;
  gap: 18px;
  align-self: start;
}

.profile-card h2 {
  margin-bottom: 10px;
}

.profile-card p:last-child {
  margin-bottom: 0;
  color: var(--color-muted);
}

.profile__body {
  display: grid;
  gap: 18px;
}

.profile__body p {
  margin-bottom: 0;
}

.advisor-card {
  padding: 26px;
  border: 1px solid rgba(185, 151, 91, 0.42);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(7, 21, 37, 0.98), rgba(11, 31, 54, 0.95)),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.055) 0 1px, transparent 1px 44px);
  box-shadow: var(--shadow-card);
}

.advisor-card__lead {
  margin-bottom: 10px;
  color: var(--color-gold);
  font-size: clamp(1.35rem, 2vw, 1.72rem);
  font-weight: 700;
  line-height: 1.45;
}

.advisor-card p:not(.advisor-card__lead) {
  margin-bottom: 12px;
  color: rgba(255, 255, 255, 0.78);
}

.profile-domains {
  display: grid;
  gap: 14px;
  margin-top: 8px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.profile-domains article {
  padding: 20px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-white);
  box-shadow: 0 12px 30px rgba(13, 31, 52, 0.05);
}

.profile-domains span {
  display: inline-flex;
  margin-bottom: 10px;
  color: var(--color-gold);
  font-size: 0.78rem;
  font-weight: 700;
}

.profile-domains h3 {
  margin-bottom: 8px;
  font-size: 1rem;
}

.profile-domains p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.credentials {
  background: var(--color-white);
}

.credential-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
}

.credential-panel,
.specialty-card {
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-white);
  box-shadow: var(--shadow-card);
}

.credential-panel {
  padding: clamp(24px, 3vw, 32px);
}

.credential-panel h3 {
  margin-bottom: 18px;
}

.credential-panel ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  color: #334155;
  list-style: none;
}

.credential-panel li {
  position: relative;
  padding-left: 22px;
}

.credential-panel li::before {
  position: absolute;
  top: 0.75em;
  left: 0;
  width: 7px;
  height: 7px;
  background: var(--color-gold);
  content: "";
}

.credential-panel p {
  margin: 18px 0 0;
  color: var(--color-muted);
}

.specialty-grid {
  display: grid;
  gap: 16px;
  margin-top: 18px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.specialty-card {
  padding: 22px;
}

.specialty-card span {
  display: inline-flex;
  margin-bottom: 14px;
  color: var(--color-gold);
  font-size: 0.78rem;
  font-weight: 700;
}

.specialty-card h3 {
  margin-bottom: 10px;
  font-size: 1rem;
}

.specialty-card p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 0.88rem;
}


.pricing-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.price-card {
  padding: 24px;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.price-card h3 {
  min-height: 3.2em;
  margin-bottom: 16px;
  font-size: 1rem;
}

.price-card p {
  margin-bottom: 0;
  color: var(--color-navy);
  font-size: 1.35rem;
  font-weight: 700;
}

.pricing-note {
  max-width: 720px;
  margin: 28px auto 0;
  color: var(--color-muted);
  text-align: center;
}

.faq-list {
  display: grid;
  gap: 12px;
}

details {
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-white);
  box-shadow: 0 10px 26px rgba(13, 31, 52, 0.045);
  overflow: hidden;
}

summary {
  position: relative;
  padding: 20px 54px 20px 22px;
  color: var(--color-navy);
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  position: absolute;
  top: 50%;
  right: 22px;
  color: var(--color-gold);
  content: "+";
  font-size: 1.3rem;
  transform: translateY(-50%);
}

details[open] summary::after {
  content: "-";
}

details p {
  margin: 0;
  padding: 0 22px 22px;
  color: var(--color-muted);
}

.contact-section {
  background:
    linear-gradient(180deg, rgba(245, 247, 250, 0.98), rgba(255, 255, 255, 0.94)),
    var(--color-soft);
}

.contact-container {
  max-width: 960px;
}

.contact-header {
  max-width: 760px;
  margin: 0 auto 42px;
  text-align: center;
}

.contact-header p {
  margin-bottom: 0;
  color: var(--color-muted);
}


.contact-form {
  display: grid;
  gap: 16px;
  padding: clamp(24px, 4vw, 34px);
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  box-shadow: 0 18px 50px rgba(13, 31, 52, 0.08);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.form-target {
  position: absolute;
  width: 1px;
  height: 1px;
  border: 0;
  opacity: 0;
  pointer-events: none;
}

.form-group {
  display: grid;
  gap: 8px;
}

.form-group label,
.privacy-check label {
  color: var(--color-navy);
  font-size: 0.86rem;
  font-weight: 700;
}

.form-group label span {
  margin-left: 4px;
  color: #b42318;
  font-size: 0.76rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--color-line);
  background: #fbfcfd;
  border-radius: calc(var(--radius) - 1px);
  color: var(--color-ink);
  outline: none;
  transition: border 0.2s ease, box-shadow 0.2s ease;
}

.contact-form input,
.contact-form select {
  height: 48px;
  padding: 0 14px;
}

.contact-form textarea {
  min-height: 132px;
  resize: vertical;
  padding: 12px 14px;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--color-cyan);
  box-shadow: 0 0 0 3px rgba(46, 154, 184, 0.12);
}

.form-group--wide {
  grid-column: 1 / -1;
}

.privacy-check {
  margin-top: 4px;
}

.privacy-check label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
}

.privacy-check input {
  width: 16px;
  height: 16px;
  accent-color: var(--color-navy);
}

.form-note {
  margin: -2px 0 0;
  color: var(--color-muted);
  font-size: 0.82rem;
  text-align: center;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 22px;
  padding: 26px 24px;
  background: var(--color-navy-2);
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.88rem;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 980px) {
  .desktop-nav {
    display: none;
  }

  .site-header > .language-switch {
    display: none;
  }

  .site-header > .language-switch--header-mobile {
    display: inline-flex;
    margin-right: 2px;
    margin-left: auto;
    padding: 7px 9px;
    border: 1px solid rgba(197, 162, 90, 0.32);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.86);
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.05);
    font-size: 0.76rem;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .hero__grid,
  .ai-production__grid,
  .section-heading--row,
  .fit__grid,
  .profile__grid,
  .faq__grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-visual__panel {
    min-height: 420px;
  }

  .pain-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .flow-step {
    min-height: auto;
  }

  .pricing-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .credential-grid,
  .specialty-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .site-header {
    padding: 12px 14px;
    gap: 8px;
  }

  .brand {
    gap: 8px;
    min-width: 0;
  }

  .brand__mark {
    width: 34px;
    height: 34px;
  }

  .brand__text span {
    max-width: 132px;
    font-size: 1rem;
  }

  .brand__text small {
    max-width: 132px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 0.58rem;
  }

  .site-header > .language-switch--header-mobile {
    gap: 5px;
    padding: 6px 8px;
    font-size: 0.7rem;
  }

  .nav-toggle {
    width: 40px;
    height: 40px;
    flex: 0 0 40px;
  }
}

@media (max-width: 680px) {
  :root {
    --header-height: 68px;
  }

  .site-header {
    padding: 0 16px;
  }

  .brand__text span {
    max-width: 150px;
    font-size: 1.08rem;
  }

  .brand__text small {
    max-width: 190px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .section {
    padding: 64px 18px;
  }

  .hero {
    padding-top: calc(var(--header-height) + 58px);
  }

  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 1.9rem;
  }

  .hero__lead br {
    display: none;
  }

  .button {
    width: 100%;
  }

  .hero-visual__panel {
    min-height: 360px;
  }

  .visual-card {
    width: calc(100% - 48px);
  }

  .visual-card--main {
    right: 24px;
    bottom: 28px;
  }

  .visual-card--sub {
    left: 24px;
    top: 28px;
  }

  .split-cards,
  .pain-grid,
  .profile-domains,
  .case-grid,
  .case-card--wide ul,
  .credential-grid,
  .specialty-grid,
  .other-cases__list,
  .pricing-grid,
  .contact-form {
    grid-template-columns: 1fr;
  }

  .service-item {
    gap: 8px;
    grid-template-columns: 1fr;
  }

  .fit-list {
    columns: 1;
  }

  .price-card h3 {
    min-height: 0;
  }

  .form-group--wide {
    grid-column: auto;
  }
}

@media (max-width: 680px) {
  html,
  body {
    max-width: 100%;
    overflow-x: hidden;
  }

  .hero,
  .hero__grid,
  .hero-visual,
  .hero-visual__panel {
    max-width: 100%;
    overflow-x: hidden;
  }

  .hero__grid {
    gap: 34px;
  }

  .hero-visual__panel {
    display: grid;
    min-height: auto;
    gap: 14px;
    padding: 104px 16px 22px;
  }

  .hero-visual__panel::before {
    inset: 12px;
  }

  .hero-visual__panel::after {
    right: -150px;
    bottom: -150px;
    opacity: 0.42;
  }

  .map-lines,
  .visual-bars {
    pointer-events: none;
  }

  .map-lines {
    opacity: 0.56;
  }

  .map-lines::before {
    inset: 70px 18px 36px;
  }

  .map-lines__dot {
    min-width: auto;
    height: 30px;
    padding: 0 10px;
    font-size: 0.68rem;
  }

  .map-lines__dot--tokyo {
    right: 18px;
    top: 20px;
  }

  .map-lines__dot--osaka {
    right: 38%;
    top: 78px;
  }

  .map-lines__dot--china {
    left: 18px;
    bottom: 28px;
  }

  .visual-metric--top {
    top: 18px;
    right: auto;
    left: 16px;
  }

  .visual-bars {
    right: 22px;
    bottom: 54px;
    opacity: 0.28;
  }

  .visual-card,
  .visual-card--main,
  .visual-card--sub {
    position: relative;
    top: auto;
    right: auto;
    bottom: auto;
    left: auto;
    z-index: 4;
    width: 100%;
    max-width: 100%;
    padding: 16px;
  }

  .visual-card span,
  .visual-card strong {
    max-width: 100%;
    white-space: normal;
    overflow-wrap: anywhere;
    word-break: normal;
  }

  .visual-card strong {
    font-size: 0.9rem;
    line-height: 1.65;
  }
}

@media (max-width: 520px) {
  .site-header {
    padding: 12px 14px;
    gap: 8px;
  }

  .brand__mark {
    width: 34px;
    height: 34px;
  }

  .brand__text span {
    max-width: 132px;
    font-size: 1rem;
  }

  .brand__text small {
    max-width: 132px;
    font-size: 0.58rem;
  }

  .site-header > .language-switch--header-mobile {
    gap: 5px;
    padding: 6px 8px;
    font-size: 0.7rem;
  }

  .nav-toggle {
    width: 40px;
    height: 40px;
    flex: 0 0 40px;
  }
}