:root {
  --color-bg: #fafaf7;
  --color-surface: #f3f1ea;
  --color-text: #1c1b18;
  --color-text-soft: #5c5850;
  --color-text-faint: #6f6a5e;
  --color-ink-black: #141311;
  --color-accent: #9c3d38;
  --color-accent-deep: #7c2b27;
  --color-accent-bright: #c45652;
  --color-accent-on-black: #d98b84;
  --color-border: #e4e1d8;
  --color-border-strong: #ccc7b9;
  --color-footer: #141311;
  --color-footer-soft: #b3aea3;
  --font-body: -apple-system, BlinkMacSystemFont, "Hiragino Sans",
    "Hiragino Kaku Gothic ProN", "Yu Gothic", "Yu Gothic UI", Meiryo,
    sans-serif;
  --container-max: 1180px;
  --header-height: 72px;
  --section-space: clamp(60px, 7vw, 92px);
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  color: var(--color-text);
  background: var(--color-bg);
  font-family: var(--font-body);
  font-size: 21px;
  font-feature-settings: "palt" 1;
  line-height: 1.8;
}

body.nav-open {
  overflow: hidden;
}

main,
section,
article,
aside,
header,
footer,
nav {
  min-width: 0;
}

h1,
h2,
h3,
p,
ul,
ol,
dl,
dd {
  margin: 0;
}

h1,
h2,
h3 {
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.04em;
  text-wrap: balance;
  word-break: auto-phrase;
}

dt {
  word-break: auto-phrase;
}

.nobr {
  white-space: nowrap;
}

ul,
ol {
  padding: 0;
}

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

svg {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

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

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

:focus-visible {
  outline: 2px solid var(--color-accent-bright);
  outline-offset: 3px;
}

::selection {
  color: #fafaf7;
  background: var(--color-accent);
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 12px;
  z-index: 1000;
  padding: 10px 16px;
  color: var(--color-bg);
  background: var(--color-ink-black);
  border-radius: var(--radius-md);
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform 0.18s ease;
}

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--color-accent);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 4px;
  height: 1.1em;
  content: "";
  background: var(--color-accent);
}

.eyebrow-light {
  color: var(--color-accent-on-black);
}

.eyebrow-light::before {
  background: var(--color-accent-bright);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 250, 247, 0.98);
  border-bottom: 1px solid var(--color-border);
  transition: border-color 0.2s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--color-border-strong);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: var(--header-height);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--color-text);
  text-decoration: none;
}

.brand-mark {
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
}

.brand-copy {
  display: grid;
  gap: 1px;
}

.brand-name {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.global-nav ul {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
}

.global-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 8px 14px;
  font-size: 18px;
  font-weight: 750;
  text-decoration: none;
}

.global-nav a::after {
  position: absolute;
  right: 14px;
  bottom: 2px;
  left: 14px;
  height: 2px;
  content: "";
  background: var(--color-accent);
  border-radius: 99px;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.18s ease;
}

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

.global-nav .nav-contact {
  min-height: 42px;
  margin-left: 8px;
  padding-inline: 19px;
  color: var(--color-bg);
  background: var(--color-ink-black);
  border: 1px solid var(--color-ink-black);
  border-radius: var(--radius-sm);
  transition: color 0.18s ease, background-color 0.18s ease,
    border-color 0.18s ease;
}

.global-nav .nav-contact::after {
  display: none;
}

.global-nav .nav-contact:hover,
.global-nav .nav-contact[aria-current="page"] {
  color: var(--color-bg);
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.nav-toggle {
  display: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 12px 24px;
  color: var(--color-text);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.04em;
  text-align: center;
  text-decoration: none;
  transition: color 0.18s ease, background-color 0.18s ease,
    border-color 0.18s ease;
}

.btn-primary {
  color: var(--color-bg);
  background: var(--color-text);
}

.btn-primary:hover {
  color: var(--color-bg);
  background: var(--color-accent);
}

.btn-secondary {
  color: var(--color-text);
  border-color: var(--color-border-strong);
}

.btn-secondary:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.btn-light {
  color: var(--color-text);
  background: var(--color-bg);
}

.btn-light:hover {
  color: var(--color-accent-deep);
  background: #ffffff;
}

.btn-arrow {
  gap: 12px;
}

.btn-arrow::after {
  content: "→";
  font-size: 19px;
  line-height: 1;
  transition: transform 0.18s ease;
}

.btn-arrow:hover::after {
  transform: translateX(3px);
}

.text-link,
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-accent);
  font-size: 18px;
  font-weight: 700;
  text-decoration: none;
}

.text-link > span,
.card-link > span {
  transition: transform 0.18s ease;
}

.text-link:hover > span,
a:hover .card-link > span {
  transform: translateX(3px);
}

.hero {
  position: relative;
  overflow: hidden;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(340px, 0.7fr);
  align-items: center;
  gap: clamp(40px, 6vw, 80px);
  min-height: min(560px, calc(100svh - var(--header-height)));
  padding-block: clamp(56px, 7vw, 84px);
}

.hero-copy {
  max-width: 740px;
}

.hero h1 {
  max-width: 730px;
  margin-top: 20px;
  font-size: clamp(40px, 4.3vw, 60px);
  line-height: 1.35;
}

.hero-title-line {
  display: block;
}

.hero-lead {
  max-width: 650px;
  margin-top: 22px;
  color: var(--color-text-soft);
  font-size: clamp(18px, 1.9vw, 22px);
  line-height: 1.9;
  text-wrap: pretty;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.hero-visual {
  position: relative;
  width: min(100%, 430px);
  aspect-ratio: 1;
  justify-self: end;
}

.visual-pattern {
  width: 100%;
  height: 100%;
}

.section {
  padding-block: var(--section-space);
}

.section-tinted {
  background: var(--color-surface);
  border-block: 1px solid var(--color-border);
}

.section-heading {
  max-width: 790px;
  margin-bottom: clamp(28px, 3.5vw, 44px);
}

.section-heading h2 {
  margin-top: 14px;
  font-size: clamp(29px, 3.3vw, 40px);
  line-height: 1.35;
}

.section-heading > p {
  margin-top: 18px;
  color: var(--color-text-soft);
  font-size: 21px;
  line-height: 1.9;
}

.section-action {
  display: flex;
  justify-content: center;
  margin-top: 28px;
}

.pillar-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.pillar-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 30px 32px;
  overflow: hidden;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: border-color 0.2s ease;
}

.pillar-card h3 {
  font-size: 26px;
}

.pillar-card p {
  margin-top: 12px;
  color: var(--color-text-soft);
  font-size: 21px;
  line-height: 1.9;
}

.pillar-card .card-link {
  margin-top: auto;
  padding-top: 22px;
}

.analysis-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  margin-top: 18px;
  padding: 24px 32px;
  color: var(--color-text);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
}

.analysis-strip h3 {
  font-size: 24px;
}

.analysis-strip p {
  margin-top: 5px;
  color: var(--color-text-soft);
  font-size: 21px;
}

.analysis-strip .text-link {
  white-space: nowrap;
}

.focus-grid,
.focus-detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.focus-card,
.focus-detail-card {
  position: relative;
  padding: 24px 26px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.focus-card h3,
.focus-detail-card h3 {
  font-size: 24px;
}

.focus-card p,
.focus-detail-card p {
  margin-top: 10px;
  color: var(--color-text-soft);
  font-size: 21px;
  line-height: 1.85;
}

.guide-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 20px;
}

.guide-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 240px;
  padding: 32px 34px;
  overflow: hidden;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: border-color 0.2s ease;
}

.guide-card-dark {
  color: var(--color-bg);
  background: var(--color-ink-black);
  border-color: var(--color-ink-black);
}

.guide-label {
  color: var(--color-accent);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.guide-card-dark .guide-label {
  color: var(--color-accent-on-black);
}

.guide-card h3 {
  max-width: 530px;
  margin-top: 16px;
  font-size: clamp(24px, 2.42vw, 30px);
}

.guide-card p {
  max-width: 590px;
  margin-top: 18px;
  color: var(--color-text-soft);
  font-size: 21px;
  line-height: 1.9;
}

.guide-card-dark p {
  color: rgba(250, 250, 247, 0.75);
}

.guide-card .card-link {
  margin-top: auto;
  padding-top: 24px;
}

.card-link-light {
  color: #ffffff;
}

.mini-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 22px;
}

.mini-facts div {
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.mini-facts dt {
  color: var(--color-text-faint);
  font-size: 15px;
  font-weight: 700;
}

.mini-facts dd {
  margin-top: 5px;
  font-size: 18px;
  font-weight: 700;
}

.section-cta {
  padding-top: 0;
  padding-bottom: clamp(70px, 8vw, 104px);
}

.cta-panel {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  padding: 44px 52px;
  overflow: hidden;
  color: var(--color-bg);
  background: var(--color-ink-black);
  border-radius: var(--radius-lg);
}

.cta-panel > * {
  position: relative;
  z-index: 1;
}

.cta-panel h2 {
  margin-top: 14px;
  font-size: clamp(27px, 2.86vw, 36px);
}

.cta-panel p {
  margin-top: 12px;
  color: rgba(250, 250, 247, 0.75);
  font-size: 21px;
}

.page-hero {
  position: relative;
  overflow: hidden;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.page-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-content: center;
  padding-block: 48px;
}

.page-hero-copy h1 {
  margin-top: 14px;
  font-size: clamp(34px, 3.52vw, 45px);
}

.page-hero-copy p {
  max-width: 780px;
  margin-top: 24px;
  color: var(--color-text-soft);
  font-size: 18px;
  line-height: 1.9;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.service-card {
  display: flex;
  flex-direction: column;
  padding: 28px 30px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.service-card h2 {
  font-size: 26px;
}

.service-card > p {
  margin-top: 15px;
  color: var(--color-text-soft);
  font-size: 21px;
  line-height: 1.85;
}

.check-list {
  display: grid;
  gap: 10px;
  margin-top: 18px;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 22px;
  color: var(--color-text-soft);
  font-size: 20px;
  line-height: 1.6;
}

.check-list li::before {
  position: absolute;
  top: 0.75em;
  left: 0;
  width: 12px;
  height: 2px;
  content: "";
  background: var(--color-accent);
}

.process-section {
  color: var(--color-text);
  background: var(--color-surface);
}

.section-heading-dark h2 {
  color: var(--color-text);
}

.section-heading-dark > p {
  color: var(--color-text-soft);
}

.process-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  overflow: hidden;
  list-style: none;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.process-list li {
  padding: 26px 24px;
}

.process-list li + li {
  border-left: 1px solid var(--color-border);
}

.process-list span {
  color: var(--color-accent);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.process-list h3 {
  margin-top: 14px;
  font-size: 23px;
}

.process-list p {
  margin-top: 13px;
  color: var(--color-text-soft);
  font-size: 19px;
  line-height: 1.8;
}

.pricing-table {
  border-top: 1px solid var(--color-border-strong);
}

.pricing-table > div {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 28px;
  padding-block: 20px;
  border-bottom: 1px solid var(--color-border);
}

.pricing-table dt {
  font-size: 18px;
  font-weight: 650;
}

.pricing-table dd {
  color: var(--color-text);
  font-size: 21px;
  font-weight: 650;
}

.pricing-table dd > span {
  margin-left: 12px;
  color: var(--color-text-soft);
  font-size: 17px;
  font-weight: 500;
}

.research-flow {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 24px;
  overflow: hidden;
  list-style: none;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.research-flow li {
  position: relative;
  display: flex;
  align-items: center;
  gap: 15px;
  min-height: 82px;
  padding: 18px 26px;
}

.research-flow li:not(:last-child)::after {
  position: absolute;
  top: 50%;
  right: 12px;
  color: var(--color-border-strong);
  content: "→";
  font-size: 18px;
  transform: translateY(-50%);
}

.research-flow span {
  color: var(--color-accent);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.research-flow strong {
  font-size: 20px;
}

.concept-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 42px;
}

.concept-item {
  padding-block: 22px;
  border-top: 1px solid var(--color-border-strong);
}

.concept-item h3 {
  font-size: 24px;
}

.concept-item p {
  margin-top: 8px;
  color: var(--color-text-soft);
  font-size: 21px;
  line-height: 1.8;
}

.company-layout {
  display: grid;
  grid-template-columns: minmax(300px, 370px) minmax(0, 1fr);
  align-items: start;
  gap: clamp(36px, 5vw, 72px);
}

.company-summary {
  position: sticky;
  top: calc(var(--header-height) + 36px);
  padding: 32px 34px;
  color: var(--color-bg);
  background: var(--color-ink-black);
  border-radius: var(--radius-lg);
}

.company-summary h2 {
  margin-top: 22px;
  font-size: clamp(30px, 3.3vw, 39px);
}

.company-summary > p {
  margin-top: 18px;
  color: rgba(250, 250, 247, 0.78);
  font-size: 21px;
  line-height: 1.9;
}

.company-table {
  border-top: 1px solid var(--color-border-strong);
}

.company-table > div {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 28px;
  padding-block: 20px;
  border-bottom: 1px solid var(--color-border);
}

.company-table dt {
  color: var(--color-text-faint);
  font-size: 17px;
  font-weight: 750;
}

.company-table dd {
  color: var(--color-text);
  font-size: 21px;
  font-weight: 650;
  line-height: 1.85;
}

.company-table dd > span {
  color: var(--color-text-soft);
  font-size: 17px;
  font-weight: 500;
}

.business-list {
  display: grid;
  gap: 6px;
  list-style: none;
}

.business-list li {
  position: relative;
  padding-left: 16px;
}

.business-list li::before {
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 5px;
  height: 5px;
  content: "";
  background: var(--color-accent);
  border-radius: 50%;
}

.contact-section {
  background: var(--color-surface);
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  align-items: stretch;
  gap: 22px;
}

.contact-panel,
.contact-guide {
  padding: clamp(30px, 4vw, 46px);
  border-radius: var(--radius-lg);
}

.contact-panel {
  color: var(--color-bg);
  background: var(--color-ink-black);
}

.contact-panel h2,
.contact-guide h2 {
  margin-top: 16px;
  font-size: clamp(26px, 2.42vw, 31px);
}

.contact-heading-line {
  display: inline-block;
}

.contact-panel > p,
.contact-guide > p {
  margin-top: 16px;
  font-size: 21px;
  line-height: 1.9;
}

.contact-panel > p {
  color: rgba(250, 250, 247, 0.78);
}

.contact-email {
  display: block;
  width: fit-content;
  max-width: 100%;
  margin-top: 30px;
  color: var(--color-bg);
  font-size: clamp(22px, 3.19vw, 34px);
  font-weight: 700;
  line-height: 1.4;
  overflow-wrap: anywhere;
  text-decoration-color: rgba(250, 250, 247, 0.5);
}

.contact-panel .btn {
  margin-top: 30px;
}

.contact-guide {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
}

.contact-guide > p {
  color: var(--color-text-soft);
}

.message-list {
  display: grid;
  gap: 0;
  margin-top: 30px;
  list-style: none;
  border-top: 1px solid var(--color-border);
}

.message-list li {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 56px;
  border-bottom: 1px solid var(--color-border);
  font-size: 20px;
  font-weight: 700;
}

.message-list span {
  color: var(--color-accent);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.topic-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
  list-style: none;
}

.topic-list li {
  padding: 5px 11px;
  color: var(--color-text-soft);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  font-size: 18px;
  font-weight: 600;
}

.site-footer {
  color: var(--color-bg);
  background: var(--color-footer);
}

.footer-main {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(150px, 0.65fr) minmax(230px, 0.8fr);
  gap: clamp(40px, 6vw, 80px);
  padding-block: 52px 44px;
}

.brand-footer {
  color: var(--color-bg);
}

.brand-footer:hover {
  color: var(--color-bg);
}

.brand-footer .brand-mark {
  filter: invert(1) brightness(1.08);
}

.footer-brand > p {
  max-width: 360px;
  margin-top: 22px;
  color: var(--color-footer-soft);
  font-size: 17px;
}

.footer-heading {
  color: var(--color-bg);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.footer-nav ul {
  display: grid;
  gap: 8px;
  margin-top: 18px;
  list-style: none;
}

.footer-nav a {
  color: var(--color-footer-soft);
  font-size: 17px;
  text-decoration: none;
}

.footer-nav a:hover {
  color: var(--color-bg);
}

.footer-company address {
  margin-top: 18px;
  color: var(--color-footer-soft);
  font-size: 17px;
  font-style: normal;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 68px;
  color: rgba(250, 250, 247, 0.6);
  font-size: 15px;
}

@media (hover: hover) {
  .pillar-card:hover,
  .guide-card:hover {
    border-color: var(--color-border-strong);
  }

  .pillar-card:hover .card-link,
  .guide-card:hover .card-link {
    text-decoration: underline;
  }
}

@media (max-width: 1040px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 34px;
  }

  .hero h1 {
    font-size: clamp(38px, 4.4vw, 58px);
  }

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

  .focus-card:last-child,
  .service-card:last-child,
  .focus-detail-card:last-child {
    grid-column: 1 / -1;
  }

  .service-card:last-child {
    min-height: auto;
  }

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

  .process-list li:nth-child(3) {
    border-left: 0;
    border-top: 1px solid var(--color-border);
  }

  .process-list li:nth-child(4) {
    border-top: 1px solid var(--color-border);
  }
}

@media (max-width: 880px) {
  :root {
    --header-height: 68px;
  }

  .container {
    width: min(100% - 40px, var(--container-max));
  }

  .header-inner {
    gap: 16px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .nav-toggle {
    position: relative;
    z-index: 102;
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 10px;
    color: var(--color-text);
    background: transparent;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    cursor: pointer;
  }

  .nav-toggle-bar {
    display: block;
    width: 100%;
    height: 2px;
    background: currentColor;
    border-radius: 99px;
    transition: transform 0.2s ease, opacity 0.2s ease;
  }

  .nav-open .nav-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-open .nav-toggle-bar:nth-child(2) {
    opacity: 0;
  }

  .nav-open .nav-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .global-nav {
    position: fixed;
    top: var(--header-height);
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 101;
    padding: 28px 20px 40px;
    overflow-y: auto;
    visibility: hidden;
    background: var(--color-bg);
    opacity: 0;
    transform: translateY(-12px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  }

  .nav-open .global-nav {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
  }

  .global-nav ul {
    display: grid;
    align-content: start;
    gap: 0;
    max-width: 620px;
    margin-inline: auto;
  }

  .global-nav li {
    border-bottom: 1px solid var(--color-border);
  }

  .global-nav a {
    display: flex;
    min-height: 62px;
    padding: 14px 2px;
    font-size: 21px;
  }

  .global-nav a::after {
    top: 50%;
    right: 8px;
    bottom: auto;
    left: auto;
    width: 7px;
    height: 7px;
    background: transparent;
    border-top: 1.5px solid currentColor;
    border-right: 1.5px solid currentColor;
    border-radius: 0;
    transform: translateY(-50%) rotate(45deg);
  }

  .global-nav a:hover::after,
  .global-nav a[aria-current="page"]::after {
    transform: translateY(-50%) rotate(45deg);
  }

  .global-nav .nav-contact {
    justify-content: center;
    min-height: 52px;
    margin: 20px 0 0;
    border: 1px solid var(--color-ink-black);
    border-radius: var(--radius-sm);
  }

  .global-nav .nav-contact::after {
    display: none;
  }

  .no-js .site-header {
    position: static;
  }

  .no-js .header-inner {
    flex-wrap: wrap;
    padding-block: 10px;
  }

  .no-js .nav-toggle {
    display: none;
  }

  .no-js .global-nav {
    position: static;
    flex-basis: 100%;
    padding: 0;
    visibility: visible;
    opacity: 1;
    transform: none;
  }

  .no-js .global-nav ul {
    margin-top: 8px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    min-height: 0;
    padding-block: 52px 60px;
  }

  .hero-copy {
    max-width: 720px;
  }

  .hero-visual {
    width: min(100%, 380px);
    justify-self: center;
    margin-top: 8px;
  }

  .pillar-grid,
  .guide-grid,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .page-hero-grid {
    gap: 28px;
  }

  .company-layout {
    grid-template-columns: 1fr;
  }

  .company-summary {
    position: static;
  }

  .footer-main {
    grid-template-columns: 1.1fr 0.9fr;
  }

  .footer-company {
    grid-column: 1 / -1;
  }
}

@media (max-width: 680px) {
  :root {
    --section-space: 52px;
  }

  .container {
    width: min(100% - 32px, var(--container-max));
  }

  .brand-name {
    font-size: 20px;
  }

  .hero-visual {
    width: min(100%, 280px);
  }

  .hero-grid {
    gap: 36px;
    padding-block: 44px 52px;
  }

  .hero h1 {
    margin-top: 14px;
    font-size: clamp(26px, 8vw, 38px);
    line-height: 1.4;
  }

  .hero-lead {
    margin-top: 22px;
    font-size: 18px;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
    margin-top: 30px;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .section-heading {
    margin-bottom: 26px;
  }

  .section-heading h2 {
    margin-top: 12px;
    font-size: clamp(27px, 7.7vw, 34px);
  }

  .section-heading > p {
    font-size: 19px;
  }

  .pillar-card,
  .guide-card,
  .service-card,
  .focus-card,
  .focus-detail-card {
    min-height: 0;
    padding: 28px;
    border-radius: var(--radius-lg);
  }

  .pillar-card h3 {
    font-size: 24px;
  }

  .pillar-card .card-link,
  .guide-card .card-link {
    margin-top: 26px;
    padding-top: 0;
  }

  .analysis-strip {
    grid-template-columns: 1fr;
    gap: 13px;
    padding: 26px 24px;
  }

  .analysis-strip .text-link {
    grid-column: auto;
    margin-top: 8px;
  }

  .focus-grid,
  .focus-detail-grid,
  .service-grid {
    grid-template-columns: 1fr;
  }

  .focus-card:last-child,
  .focus-detail-card:last-child,
  .service-card:last-child {
    grid-column: auto;
  }

  .guide-card h3 {
    font-size: 25px;
  }

  .mini-facts {
    margin-top: 26px;
  }

  .cta-panel {
    align-items: flex-start;
    flex-direction: column;
    min-height: 0;
    padding: 32px 26px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  }

  .cta-panel .btn {
    width: 100%;
  }

  .section-cta {
    padding-bottom: 0;
  }

  .page-hero-grid {
    min-height: 0;
    padding-block: 36px;
  }

  .page-hero-copy h1 {
    margin-top: 12px;
    font-size: 34px;
  }

  .page-hero-copy p {
    margin-top: 18px;
    font-size: 16px;
  }

  .service-card h2 {
    font-size: 24px;
  }

  .process-list {
    grid-template-columns: 1fr;
  }

  .process-list li {
    min-height: 0;
    padding: 26px 24px;
  }

  .process-list li + li,
  .process-list li:nth-child(3),
  .process-list li:nth-child(4) {
    border-top: 1px solid var(--color-border);
    border-left: 0;
  }

  .process-list h3 {
    margin-top: 30px;
  }

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

  .research-flow li:not(:last-child)::after {
    top: auto;
    right: 24px;
    bottom: -9px;
    transform: rotate(90deg);
  }

  .research-flow li + li {
    border-top: 1px solid var(--color-border);
  }

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

  .concept-item {
    column-gap: 14px;
  }

  .company-summary,
  .contact-panel,
  .contact-guide {
    padding: 30px 26px;
    border-radius: var(--radius-lg);
  }

  .company-table > div {
    grid-template-columns: 1fr;
    gap: 8px;
    padding-block: 22px;
  }

  .company-table dt {
    font-size: 16px;
  }

  .pricing-table > div {
    grid-template-columns: 1fr;
    gap: 6px;
    padding-block: 18px;
  }

  .contact-heading-line {
    display: block;
  }

  .contact-panel .btn {
    width: 100%;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-block: 44px 36px;
  }

  .footer-company {
    grid-column: auto;
  }

  .footer-bottom-inner {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    min-height: 88px;
    gap: 4px;
  }
}

@media (max-width: 380px) {
  .container {
    width: min(100% - 28px, var(--container-max));
  }

  .brand-copy {
    max-width: 190px;
  }

  .brand-name {
    font-size: 18px;
  }

  .pillar-card,
  .guide-card,
  .service-card,
  .focus-card,
  .focus-detail-card,
  .company-summary,
  .contact-panel,
  .contact-guide {
    padding-inline: 24px;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .site-header,
  .site-footer,
  .section-cta,
  .hero-actions,
  .nav-toggle {
    display: none !important;
  }

  body {
    color: #000000;
    background: #ffffff;
  }

  .section,
  .page-hero-grid,
  .hero-grid {
    padding-block: 32px;
  }
}