:root {
  --navy-950: #06101b;
  --navy-900: #0a1725;
  --navy-800: #102338;
  --charcoal: #17202a;
  --ink: #111b25;
  --muted: #5d6873;
  --paper: #ffffff;
  --paper-soft: #f4f6f7;
  --paper-blue: #eef2f5;
  --line: #d7dde2;
  --line-dark: rgba(255, 255, 255, 0.18);
  --red: #b43136;
  --red-dark: #92262a;
  --red-bright: #ff7074;
  --white-muted: rgba(255, 255, 255, 0.74);
  --max: 1240px;
  --reading: 760px;
  --shadow: 0 22px 58px rgba(6, 16, 27, 0.09);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", Meiryo, sans-serif;
  font-size: 1rem;
  line-height: 1.8;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

a,
button {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
}

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

:focus-visible {
  outline: 3px solid #ffb3b5;
  outline-offset: 4px;
}

::selection {
  color: #fff;
  background: var(--red);
}

.container,
.header-inner,
.narrow {
  width: min(calc(100% - 48px), var(--max));
  margin-inline: auto;
}

.narrow {
  max-width: var(--reading);
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 15px;
  color: #fff;
  background: var(--red-dark);
  text-decoration: none;
  transform: translateY(-180%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  color: #fff;
  background: rgba(6, 16, 27, 0.97);
  border-bottom: 1px solid rgba(255, 255, 255, 0.13);
}

.header-inner {
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
}

.text-logo {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: #fff;
  text-decoration: none;
  font-size: 0.96rem;
  font-weight: 760;
  letter-spacing: 0.035em;
  white-space: nowrap;
}

.brand-mark {
  width: 36px;
  height: 36px;
}

.menu-button {
  min-width: 72px;
  min-height: 44px;
  padding: 8px 12px;
  display: none;
  color: #fff;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 2px;
  cursor: pointer;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.1vw, 34px);
}

.site-nav a {
  position: relative;
  padding: 28px 0 24px;
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 760;
  letter-spacing: 0.12em;
}

.site-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 18px;
  left: 0;
  height: 2px;
  background: var(--red-bright);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms ease;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: #fff;
}

.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.eyebrow,
.section-kicker,
.item-index,
.area-en {
  margin: 0 0 14px;
  color: var(--red);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  line-height: 1.45;
  text-transform: uppercase;
}

.page-hero .eyebrow,
.section--ink .section-kicker,
.page-section--ink .section-kicker,
.contact-band .section-kicker {
  color: var(--red-bright);
}

.hero,
.page-hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  background: var(--navy-950);
}

.hero::before,
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(90deg, transparent 4%, #000 55%, #000 100%);
  mask-image: linear-gradient(90deg, transparent 4%, #000 55%, #000 100%);
}

.hero::after,
.page-hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  background: var(--red);
}

.hero-grid {
  position: relative;
  min-height: 690px;
  padding-block: 108px;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.65fr);
  align-items: center;
  gap: clamp(56px, 8vw, 124px);
}

.hero-copy {
  max-width: 850px;
}

.hero h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(3.1rem, 5.65vw, 5.85rem);
  font-weight: 720;
  letter-spacing: -0.065em;
  line-height: 1.16;
  text-wrap: balance;
}

.heading-line {
  display: block;
  white-space: nowrap;
}

.heading-phrase {
  display: inline-block;
  white-space: nowrap;
}

@media (min-width: 1200px) {
  .heading-phrase-group--wide {
    display: inline-block;
    white-space: nowrap;
  }
}

@media (min-width: 1200px) {
  .semantic-phrase {
    display: inline-block;
    white-space: nowrap;
  }
}

.hero-support {
  max-width: 720px;
  margin: 34px 0 0;
  color: var(--white-muted);
  font-size: clamp(1.04rem, 1.5vw, 1.19rem);
  line-height: 1.95;
}

.hero-support + .hero-support {
  margin-top: 8px;
}

.hero-actions {
  margin-top: 38px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  min-height: 52px;
  padding: 0 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid transparent;
  border-radius: 2px;
  text-decoration: none;
  font-weight: 760;
  line-height: 1.35;
  transition: color 160ms ease, background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.button::after {
  content: "→";
}

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

.button--primary {
  color: #fff;
  background: var(--red);
  border-color: var(--red);
}

.button--primary:hover {
  background: var(--red-dark);
  border-color: var(--red-dark);
}

.button--ghost {
  color: #fff;
  background: transparent;
  border-color: rgba(255, 255, 255, 0.45);
}

.button--ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: #fff;
}

.hero-structure {
  position: relative;
  min-height: 340px;
  padding: 24px 0;
  display: grid;
  align-content: center;
}

.hero-structure::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 27px;
  width: 1px;
  background: rgba(255, 255, 255, 0.25);
}

.structure-step {
  position: relative;
  min-height: 68px;
  padding: 19px 0 19px 78px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.structure-step::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 22px;
  width: 11px;
  height: 11px;
  background: var(--navy-950);
  border: 2px solid var(--red-bright);
  transform: translateY(-50%) rotate(45deg);
}

.structure-step span:first-child {
  color: #fff;
  font-size: 1.02rem;
  font-weight: 720;
  letter-spacing: 0.08em;
}

.structure-step span:last-child {
  color: rgba(255, 255, 255, 0.52);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}

.section,
.page-section {
  padding: 108px 0;
}

.section--soft,
.page-section--soft {
  background: var(--paper-soft);
}

.section--blue,
.page-section--blue {
  background: var(--paper-blue);
}

.section--ink,
.page-section--ink {
  color: #fff;
  background: var(--navy-900);
}

.section--ink + .section--ink {
  padding-top: 88px;
  border-top: 1px solid var(--line-dark);
}

.section-head {
  margin-bottom: 58px;
  display: grid;
  grid-template-columns: minmax(220px, 0.7fr) minmax(0, 1.3fr);
  align-items: start;
  gap: clamp(40px, 7vw, 100px);
}

.section-head--compact {
  grid-template-columns: minmax(0, 920px);
  margin-bottom: 48px;
}

.section-head h2,
.contact-band h2 {
  margin: 0;
  font-size: clamp(2.1rem, 4.05vw, 4.1rem);
  font-weight: 700;
  letter-spacing: -0.052em;
  line-height: 1.28;
  text-wrap: balance;
}

.capability-title span {
  display: block;
  white-space: nowrap;
}

.section-head__copy {
  max-width: 720px;
  padding-top: 8px;
}

.section-head__copy p {
  margin: 0 0 0.65em;
  color: var(--muted);
  font-size: 1.06rem;
}

.section--ink .section-head__copy p {
  color: var(--white-muted);
}

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

.capability-item {
  padding: 34px 0;
  display: grid;
  grid-template-columns: 150px minmax(190px, 0.55fr) minmax(0, 1.45fr);
  align-items: baseline;
  gap: 34px;
  border-bottom: 1px solid var(--line);
}

.capability-label {
  display: flex;
  align-items: center;
  gap: 13px;
  color: var(--red-dark);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.capability-item h3,
.principle-row h3,
.case-row h3,
.business-area h3 {
  margin: 0;
  font-size: clamp(1.45rem, 2.7vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.35;
}

.capability-item p {
  margin: 0;
  color: var(--muted);
}

.help-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  align-items: start;
  gap: clamp(50px, 8vw, 116px);
}

.help-list,
.principle-list,
.case-list,
.work-area-list,
.business-area-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.help-list {
  counter-reset: help;
}

.help-list li {
  counter-increment: help;
  padding: 22px 0;
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 18px;
  border-bottom: 1px solid var(--line);
  font-size: clamp(1.04rem, 1.55vw, 1.18rem);
  font-weight: 680;
}

.help-list li::before {
  content: counter(help, decimal-leading-zero);
  color: var(--red);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.help-note {
  padding: 28px 0 28px 30px;
  border-left: 3px solid var(--red);
}

.help-note p {
  margin: 0 0 0.8em;
  color: var(--muted);
}

.help-note p:last-child {
  margin-bottom: 0;
}

.principle-list {
  border-color: var(--line-dark);
}

.principle-row {
  padding: 27px 0;
  display: grid;
  grid-template-columns: 80px minmax(220px, 0.72fr) minmax(0, 1.28fr);
  align-items: baseline;
  gap: 32px;
  border-bottom: 1px solid var(--line-dark);
}

.principle-row .item-index {
  margin: 0;
  color: var(--red-bright);
}

.principle-row h3 {
  font-size: clamp(1.15rem, 2vw, 1.5rem);
}

.principle-row p {
  margin: 0;
  color: var(--white-muted);
}

.case-list {
  border-color: var(--line-dark);
}

.case-row {
  padding: 34px 0;
  display: grid;
  grid-template-columns: 135px minmax(220px, 0.65fr) minmax(0, 1.35fr) auto;
  align-items: center;
  gap: 30px;
  border-bottom: 1px solid var(--line-dark);
}

.case-row .item-index {
  margin: 0;
  color: var(--red-bright);
}

.case-row p {
  margin: 0;
  color: var(--white-muted);
}

.case-row .text-link {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.62);
}

.small-disclosure {
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.82rem;
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 0.9fr);
  align-items: start;
  gap: clamp(54px, 9vw, 130px);
}

.about-copy h2 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(2.1rem, 4.05vw, 4rem);
  line-height: 1.29;
  letter-spacing: -0.052em;
}

.about-copy p:not(.section-kicker) {
  max-width: 700px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 1.06rem;
}

.about-links {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}

.fact-list {
  margin: 0;
  border-top: 2px solid var(--ink);
}

.fact-list > div {
  padding: 17px 0;
  display: grid;
  grid-template-columns: 168px minmax(0, 1fr);
  gap: 24px;
  border-bottom: 1px solid var(--line);
}

.fact-list dt {
  font-weight: 760;
}

.fact-list dd {
  min-width: 0;
  margin: 0;
  color: var(--muted);
  overflow-wrap: anywhere;
}

.fact-list a {
  text-underline-offset: 3px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--ink);
  border-bottom: 1px solid currentColor;
  text-decoration: none;
  font-weight: 760;
  white-space: nowrap;
}

.text-link::after {
  content: "→";
  color: var(--red);
}

.text-link:hover {
  color: var(--red-dark);
}

.contact-band {
  padding: 86px 0;
  color: #fff;
  background: var(--navy-800);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.contact-band__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(36px, 5vw, 64px);
}

.contact-band__inner > .button {
  justify-self: start;
}

.contact-band h2 {
  max-width: 850px;
  font-size: clamp(1.8rem, 3.65vw, 3.45rem);
  line-height: 1.3;
}

.contact-band p:not(.section-kicker) {
  max-width: 760px;
  margin: 20px 0 0;
  color: var(--white-muted);
}

.page-hero__inner {
  position: relative;
  min-height: 440px;
  padding-block: 88px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.page-hero h1 {
  position: relative;
  max-width: 980px;
  margin: 0;
  font-size: clamp(2.65rem, 4.9vw, 4.9rem);
  font-weight: 710;
  letter-spacing: -0.058em;
  line-height: 1.2;
  text-wrap: balance;
}

.page-hero h1.page-hero__title--long {
  max-width: 1040px;
  font-size: clamp(2.5rem, 4.7vw, 4.7rem);
}

.page-hero__lead {
  position: relative;
  max-width: 760px;
  margin: 24px 0 0;
  color: var(--white-muted);
  font-size: 1.08rem;
}

.editorial-layout,
.company-layout,
.founder-layout,
.contact-layout {
  display: grid;
  grid-template-columns: minmax(230px, 0.62fr) minmax(0, 1.38fr);
  align-items: start;
  gap: clamp(54px, 8vw, 112px);
}

.contact-layout {
  grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.9fr);
  gap: clamp(52px, 7vw, 96px);
}

.side-heading {
  position: sticky;
  top: 118px;
}

.side-heading h2 {
  margin: 0;
  font-size: clamp(1.75rem, 3vw, 2.75rem);
  line-height: 1.35;
  letter-spacing: -0.036em;
}

.intro-copy p,
.company-copy p,
.founder-copy p,
.contact-intro p {
  margin: 0 0 1.3em;
}

.intro-copy p:first-child,
.company-copy > p:first-child {
  font-size: clamp(1.16rem, 2vw, 1.42rem);
  line-height: 1.85;
}

.work-area-list {
  border-top: 2px solid var(--ink);
}

.work-area {
  padding: 54px 0 62px;
  display: grid;
  grid-template-columns: 126px minmax(0, 1fr);
  gap: 42px;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 110px;
}

.work-area__content h2 {
  margin: 0;
  font-size: clamp(1.8rem, 3.7vw, 3.15rem);
  line-height: 1.28;
  letter-spacing: -0.04em;
}

.area-en {
  margin-bottom: 7px;
  color: var(--red-dark);
}

.work-area__lead {
  max-width: var(--reading);
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.service-examples {
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 34px;
  list-style: none;
  border-top: 1px solid var(--line);
}

.service-examples li {
  position: relative;
  padding: 13px 0 13px 20px;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
}

.service-examples li::before {
  content: "";
  position: absolute;
  top: 1.55em;
  left: 0;
  width: 6px;
  height: 6px;
  background: var(--red);
}

.area-note,
.bounded-note {
  margin: 26px 0 0;
  padding: 19px 22px;
  background: var(--paper-blue);
  border-left: 3px solid var(--red);
  font-weight: 680;
}

.format-note {
  margin: 17px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.page-intro {
  max-width: 900px;
  margin-bottom: 54px;
}

.page-intro h2 {
  margin: 0 0 22px;
  font-size: clamp(1.95rem, 3.5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.33;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

.page-intro p {
  max-width: var(--reading);
  margin: 0 0 0.75em;
  color: var(--muted);
  font-size: 1.07rem;
}

.case-list--page {
  border-color: var(--line);
}

.case-list--page .case-row {
  min-height: 250px;
  grid-template-columns: 150px minmax(240px, 0.75fr) minmax(0, 1.25fr);
  border-color: var(--line);
  scroll-margin-top: 110px;
}

.case-list--page .case-row .item-index {
  color: var(--red);
}

.case-list--page .case-row p {
  color: var(--muted);
}

.case-placeholder {
  padding-left: 26px;
  border-left: 1px solid var(--line);
}

.case-placeholder strong {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 0.84rem;
  letter-spacing: 0.08em;
}

.disclosure-note {
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.company-copy h2,
.founder-copy h2,
.contact-intro h2,
.legal-copy h2 {
  margin: 2.4em 0 0.65em;
  font-size: clamp(1.35rem, 2.5vw, 2rem);
  line-height: 1.45;
}

.company-copy h2:first-child,
.founder-copy h2:first-child,
.contact-intro h2:first-child {
  margin-top: 0;
}

.business-area-list {
  border-top: 2px solid var(--ink);
}

.business-area {
  padding: 30px 0;
  display: grid;
  grid-template-columns: 90px minmax(220px, 0.65fr) minmax(0, 1.35fr);
  align-items: baseline;
  gap: 28px;
  border-bottom: 1px solid var(--line);
}

.business-area .item-index {
  margin: 0;
}

.business-area h3 {
  font-size: 1.2rem;
}

.business-area p {
  margin: 0;
  color: var(--muted);
}

.founder-name {
  margin-bottom: 38px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.founder-name small {
  display: block;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.11em;
}

.founder-name strong {
  display: block;
  margin-top: 6px;
  font-size: 1.45rem;
}

.founder-copy {
  max-width: var(--reading);
}

.consultation-list,
.guidance-list {
  margin: 22px 0 30px;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.consultation-list li,
.guidance-list li {
  position: relative;
  padding: 12px 0 12px 24px;
  border-bottom: 1px solid var(--line);
}

.consultation-list li::before,
.guidance-list li::before {
  content: "";
  position: absolute;
  top: 1.55em;
  left: 2px;
  width: 7px;
  height: 7px;
  background: var(--red);
}

.contact-card {
  min-width: 0;
  padding: 34px 38px;
  background: #fff;
  border-top: 3px solid var(--red);
  box-shadow: var(--shadow);
}

.contact-card h2 {
  margin: 0 0 20px;
  font-size: clamp(1.45rem, 2.5vw, 2rem);
  line-height: 1.4;
}

.contact-list {
  margin: 0;
}

.contact-list > div {
  padding: 17px 0;
  display: grid;
  grid-template-columns: 105px minmax(0, 1fr);
  gap: 20px;
  border-bottom: 1px solid var(--line);
}

.contact-list dt {
  font-weight: 760;
}

.contact-list dd {
  min-width: 0;
  margin: 0;
  color: var(--muted);
  overflow-wrap: anywhere;
}

.contact-list a {
  color: var(--ink);
  font-weight: 700;
  text-underline-offset: 3px;
}

.contact-actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.contact-actions .button--ghost {
  color: var(--ink);
  background: #fff;
  border-color: var(--line);
}

.legal-copy h2 {
  font-size: 1.35rem;
}

.legal-copy h2:first-of-type {
  margin-top: 1.6em;
}

.legal-copy p {
  margin: 0 0 1.25em;
}

.compatibility-panel {
  max-width: 850px;
  padding: 44px 0 44px 38px;
  border-left: 3px solid var(--red);
}

.compatibility-panel h2 {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 2.7rem);
  line-height: 1.35;
}

.compatibility-panel p {
  color: var(--muted);
}

.site-footer {
  padding: 58px 0 24px;
  color: rgba(255, 255, 255, 0.7);
  background: #030911;
}

.footer-main {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 44px;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, auto);
  column-gap: 30px;
  row-gap: 12px;
}

.footer-nav a {
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.footer-nav a:hover,
.footer-nav a[aria-current="page"] {
  color: #fff;
}

.footer-meta {
  margin-top: 44px;
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.78rem;
}

.footer-meta p {
  margin: 0;
}

@media (max-width: 1020px) {
  .hero-grid {
    min-height: auto;
    grid-template-columns: minmax(0, 1.15fr) minmax(230px, 0.55fr);
    gap: 54px;
  }

  .hero h1 {
    font-size: clamp(2.85rem, 6.6vw, 4.7rem);
  }

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

  .about-grid .fact-list {
    max-width: 760px;
  }

  .case-row {
    grid-template-columns: 115px minmax(220px, 0.8fr) minmax(0, 1.2fr);
  }

  .case-row .text-link {
    grid-column: 2;
  }
}

@media (max-width: 860px) {
  .header-inner {
    min-height: 70px;
    flex-wrap: wrap;
    gap: 0;
  }

  .js .menu-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .site-nav {
    width: 100%;
    padding: 10px 0 18px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0;
  }

  .js .site-nav {
    max-height: 0;
    padding-block: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transition: max-height 220ms ease, opacity 180ms ease, visibility 180ms ease;
  }

  .js .site-nav.is-open {
    max-height: 430px;
    padding: 10px 0 18px;
    opacity: 1;
    visibility: visible;
  }

  .site-nav a {
    min-height: 44px;
    padding: 10px 0;
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  }

  .site-nav a::after {
    display: none;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .hero-structure {
    min-height: auto;
    max-width: 640px;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    padding: 0;
  }

  .hero-structure::before {
    top: 27px;
    right: 0;
    bottom: auto;
    left: 0;
    width: auto;
    height: 1px;
  }

  .structure-step {
    min-height: 110px;
    padding: 50px 12px 12px;
    display: block;
    border-bottom: 0;
  }

  .structure-step::before {
    top: 27px;
    left: 13px;
  }

  .structure-step span {
    display: block;
  }

  .structure-step span:last-child {
    margin-top: 5px;
  }

  .section-head,
  .help-layout,
  .editorial-layout,
  .company-layout,
  .founder-layout,
  .contact-layout,
  .contact-band__inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .side-heading {
    position: static;
  }

  .capability-item {
    grid-template-columns: 130px minmax(180px, 0.6fr) minmax(0, 1.4fr);
    gap: 22px;
  }

  .principle-row {
    grid-template-columns: 54px minmax(0, 1fr);
    gap: 18px;
  }

  .principle-row p {
    grid-column: 2;
  }

  .work-area {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 26px;
  }

  .business-area {
    grid-template-columns: 64px minmax(0, 1fr);
  }

  .business-area p {
    grid-column: 2;
  }
}

@media (max-width: 680px) {
  .container,
  .header-inner,
  .narrow {
    width: min(calc(100% - 30px), var(--max));
  }

  .section,
  .page-section {
    padding: 76px 0;
  }

  .section--ink + .section--ink {
    padding-top: 68px;
  }

  .hero-grid {
    padding-block: 74px;
  }

  .hero h1 {
    font-size: clamp(2.5rem, 10.8vw, 3.7rem);
    letter-spacing: -0.052em;
  }

  .hero-support br {
    display: none;
  }

  .hero-actions,
  .contact-actions {
    display: grid;
  }

  .button {
    width: 100%;
  }

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

  .hero-structure::before {
    display: none;
  }

  .structure-step {
    min-height: 94px;
    padding: 25px 10px 14px 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
  }

  .structure-step::before {
    top: 32px;
    left: 3px;
  }

  .section-head {
    margin-bottom: 40px;
  }

  .section-head h2,
  .about-copy h2 {
    font-size: clamp(1.9rem, 8.5vw, 2.75rem);
  }

  .capability-item {
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .capability-label {
    margin-bottom: 6px;
  }

  .principle-row {
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .principle-row p {
    grid-column: 1;
  }

  .help-list li {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 10px;
  }

  .help-note {
    padding-left: 22px;
  }

  .case-row,
  .case-list--page .case-row {
    min-height: 0;
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .case-row .text-link {
    grid-column: 1;
    justify-self: start;
    margin-top: 10px;
  }

  .case-placeholder {
    margin-top: 12px;
    padding: 18px 0 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .small-disclosure {
    line-height: 1.7;
  }

  .fact-list > div,
  .contact-list > div {
    grid-template-columns: 1fr;
    gap: 3px;
  }

  .work-area {
    padding: 42px 0 48px;
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .service-examples {
    grid-template-columns: 1fr;
  }

  .business-area {
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .business-area p {
    grid-column: 1;
  }

  .page-hero__inner {
    min-height: 350px;
    padding-block: 68px;
  }

  .page-hero h1 {
    max-width: 96%;
    font-size: clamp(2.2rem, 9.8vw, 3.35rem);
  }

  .page-hero h1.page-hero__title--long {
    max-width: 100%;
    font-size: clamp(1.9rem, 9.4vw, 2.6rem);
  }

  .contact-card {
    padding: 28px 22px;
  }

  .compatibility-panel {
    padding: 32px 0 32px 24px;
  }

  .footer-main,
  .footer-meta {
    display: grid;
  }

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

@media (max-width: 420px) {
  .eyebrow,
  .section-kicker,
  .area-en,
  .capability-label {
    font-size: 0.7rem;
    letter-spacing: 0.09em;
    white-space: nowrap;
    overflow-wrap: normal;
    word-break: normal;
  }

  .text-logo {
    gap: 8px;
    font-size: 0.88rem;
  }

  .brand-mark {
    width: 31px;
    height: 31px;
  }

  .site-nav {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: clamp(2.15rem, 10.8vw, 2.65rem);
  }

  .footer-nav {
    grid-template-columns: 1fr 1fr;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation: none !important;
    transition: none !important;
  }
}