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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: #1c1b1a;
  background-color: #f4f1ea;
  min-height: 100vh;
}

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

a {
  color: #a63a2b;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #7e2c20;
  text-decoration: underline;
}

h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 0.5em;
  color: #1c1b1a;
}

h1 {
  font-size: 32px;
}

h2 {
  font-size: 24px;
}

h3 {
  font-size: 18px;
}

p {
  margin: 0 0 1em;
}

ul, ol {
  margin: 0 0 1em;
  padding-left: 1.25em;
}

li {
  margin-bottom: 0.4em;
}

table {
  border-collapse: collapse;
  width: 100%;
}

figure {
  margin: 0;
}

.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;
}

/* ==========================================================================
   Layout — site shell
   ========================================================================== */
.site-body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.site-header {
  background-color: #f4f1ea;
  border-bottom: 1px solid #e5dfd3;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  font-size: 20px;
  font-weight: 700;
  color: #1c1b1a;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.brand:hover {
  color: #a63a2b;
  text-decoration: none;
}

.site-nav {
  display: block;
}

.nav-list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 8px;
}

.nav-list li {
  margin: 0;
}

.nav-list a {
  display: inline-block;
  padding: 8px 14px;
  font-size: 15px;
  color: #1c1b1a;
  border-radius: 4px;
}

.nav-list a:hover {
  color: #a63a2b;
  background-color: #e5dfd3;
  text-decoration: none;
}

.nav-list a.is-current {
  color: #a63a2b;
  font-weight: 700;
  background-color: transparent;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background-color: transparent;
  border: 1px solid #a63a2b;
  border-radius: 4px;
  color: #a63a2b;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  min-height: 44px;
}

.nav-toggle:hover {
  background-color: #a63a2b;
  color: #f4f1ea;
}

.nav-toggle-icon {
  display: block;
  width: 16px;
  height: 2px;
  background-color: currentColor;
  position: relative;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: currentColor;
}

.nav-toggle-icon::before {
  top: -5px;
}

.nav-toggle-icon::after {
  top: 5px;
}

.site-main {
  flex: 1;
  width: 100%;
}

.site-footer {
  background-color: #1c1b1a;
  color: #c9c4b8;
  margin-top: auto;
}

.footer-index {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.footer-col h4 {
  color: #f4f1ea;
  font-size: 16px;
  margin-bottom: 12px;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-col li {
  margin-bottom: 8px;
}

.footer-col a {
  color: #c9c4b8;
  font-size: 14px;
}

.footer-col a:hover {
  color: #f4f1ea;
  text-decoration: underline;
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px 32px;
  border-top: 1px solid #3a3835;
}

.footer-bottom p {
  font-size: 13px;
  margin: 0 0 4px;
  color: #8f8b82;
}

/* ==========================================================================
   Components
   ========================================================================== */
.btn {
  display: inline-block;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 4px;
  border: 1px solid transparent;
  cursor: pointer;
  min-height: 44px;
  line-height: 1.4;
  text-align: center;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background-color: #a63a2b;
  color: #f4f1ea;
}

.btn-primary:hover {
  background-color: #7e2c20;
  color: #f4f1ea;
}

.btn-secondary {
  background-color: transparent;
  border-color: #a63a2b;
  color: #a63a2b;
}

.btn-secondary:hover {
  background-color: #a63a2b;
  color: #f4f1ea;
}

.breadcrumb {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 24px 0;
  font-size: 14px;
  color: #6b675f;
}

.breadcrumb a {
  color: #6b675f;
}

.breadcrumb a:hover {
  color: #a63a2b;
}

.breadcrumb-sep {
  margin: 0 8px;
  color: #a39e94;
}

.breadcrumb-current {
  color: #1c1b1a;
}

.page-header {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px 24px;
  border-bottom: 1px solid #e5dfd3;
}

.page-title {
  font-size: 32px;
  color: #1c1b1a;
  margin-bottom: 12px;
}

.page-description {
  max-width: 720px;
  font-size: 16px;
  color: #4a4742;
  margin: 0;
}

.section-title {
  font-size: 24px;
  margin-bottom: 16px;
}

.section-intro {
  max-width: 720px;
  color: #4a4742;
  margin-bottom: 24px;
}

.section-lead {
  max-width: 720px;
  color: #4a4742;
  margin-bottom: 24px;
}

.section-more {
  margin-top: 24px;
}

.section-more a {
  color: #a63a2b;
  font-weight: 600;
}

/* Content media */
.content-media {
  background-color: #e5dfd3;
  border-radius: 6px;
  overflow: hidden;
}

.content-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.content-media figcaption {
  padding: 10px 14px;
  font-size: 13px;
  color: #6b675f;
  background-color: #e5dfd3;
  border-top: 1px solid #d5cfc2;
}

.content-media-primary {
  margin: 0;
}

/* FAQ */
.faq-item {
  border: 1px solid #e5dfd3;
  border-radius: 6px;
  margin-bottom: 12px;
  background-color: #faf8f3;
}

.faq-item summary {
  padding: 16px 20px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  position: relative;
  color: #1c1b1a;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  font-weight: 400;
  color: #a63a2b;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  padding: 0 20px 16px;
  margin: 0;
  color: #4a4742;
  font-size: 15px;
}

/* Timeline */
.process-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.process-step {
  position: relative;
  padding-top: 32px;
}

.process-step::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: #e5dfd3;
}

.step-num {
  position: absolute;
  top: 0;
  left: 0;
  width: 20px;
  height: 20px;
  background-color: #a63a2b;
  color: #f4f1ea;
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  z-index: 1;
}

.process-step h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

.process-step p {
  font-size: 14px;
  color: #4a4742;
  margin: 0;
}

/* ==========================================================================
   Pages — index
   ========================================================================== */
.site-home {
  background-color: #f4f1ea;
}

.home-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Hero */
.hero-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 64px 0 48px;
}

.hero-content h1 {
  font-size: 38px;
  line-height: 1.2;
  margin-bottom: 16px;
}

.hero-slogan {
  font-size: 18px;
  font-weight: 600;
  color: #2b4a6f;
  margin-bottom: 16px;
}

.hero-description {
  font-size: 16px;
  color: #4a4742;
  max-width: 520px;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-figure {
  margin: 0;
  border-radius: 6px;
  overflow: hidden;
  background-color: #e5dfd3;
}

.hero-figure img {
  width: 100%;
  height: 360px;
  object-fit: cover;
}

.content-media-primary {
  margin-top: 48px;
}

.content-media-primary img {
  height: 320px;
}

/* Index nav */
.index-nav-section {
  padding: 48px 0;
  border-top: 1px solid #e5dfd3;
}

.index-nav-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.index-nav-item {
  display: block;
  padding: 24px;
  background-color: #faf8f3;
  border: 1px solid #e5dfd3;
  border-radius: 6px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.index-nav-item:hover {
  border-color: #a63a2b;
  text-decoration: none;
  box-shadow: 0 2px 8px rgba(28, 27, 26, 0.06);
}

.index-nav-num {
  display: block;
  font-size: 13px;
  color: #a63a2b;
  font-weight: 700;
  margin-bottom: 8px;
}

.index-nav-name {
  display: block;
  font-size: 18px;
  font-weight: 700;
  color: #1c1b1a;
  margin-bottom: 8px;
}

.index-nav-desc {
  display: block;
  font-size: 14px;
  color: #4a4742;
  line-height: 1.6;
}

/* Service matrix */
.service-matrix-section {
  padding: 48px 0;
  border-top: 1px solid #e5dfd3;
}

.service-matrix-table {
  width: 100%;
  border: 1px solid #e5dfd3;
  background-color: #faf8f3;
}

.service-matrix-table th {
  background-color: #2b4a6f;
  color: #f4f1ea;
  padding: 14px 16px;
  text-align: left;
  font-size: 15px;
  font-weight: 600;
}

.service-matrix-table td {
  padding: 14px 16px;
  border-top: 1px solid #e5dfd3;
  font-size: 14px;
  color: #1c1b1a;
  vertical-align: top;
}

.service-matrix-table tr:nth-child(even) td {
  background-color: #f0ede5;
}

.service-matrix-table td:first-child {
  font-weight: 700;
}

/* Scenario summary */
.scenario-summary-section {
  padding: 48px 0;
  border-top: 1px solid #e5dfd3;
}

.scenario-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.scenario-col {
  background-color: #faf8f3;
  border: 1px solid #e5dfd3;
  border-radius: 6px;
  padding: 28px;
}

.scenario-col h3 {
  font-size: 18px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid #a63a2b;
}

.scenario-col ul {
  margin-bottom: 20px;
}

.scenario-col li {
  font-size: 15px;
  color: #4a4742;
}

.scenario-col a {
  font-weight: 600;
}

/* FAQ teaser */
.faq-teaser-section {
  padding: 48px 0;
  border-top: 1px solid #e5dfd3;
}

/* Cooperation entry */
.cooperation-entry-section {
  padding: 48px 0;
  border-top: 1px solid #e5dfd3;
}

.cooperation-entry-section p {
  max-width: 720px;
  color: #4a4742;
  margin-bottom: 24px;
}

/* ==========================================================================
   Pages — inner
   ========================================================================== */
.site-inner {
  background-color: #f4f1ea;
}

.inner-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px 64px;
}

/* ==========================================================================
   Pages — services
   ========================================================================== */
.page-services .services-overview {
  padding: 40px 0 24px;
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.overview-card {
  background-color: #faf8f3;
  border: 1px solid #e5dfd3;
  border-radius: 6px;
  padding: 24px;
}

.overview-card h3 {
  font-size: 17px;
  margin-bottom: 10px;
  color: #a63a2b;
}

.overview-card p {
  font-size: 14px;
  color: #4a4742;
  margin: 0;
}

.service-detail-section {
  padding: 24px 0;
  border-top: 1px solid #e5dfd3;
}

.detail-block {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 32px;
  padding: 32px 0;
  border-bottom: 1px solid #e5dfd3;
  align-items: start;
}

.detail-block:last-child {
  border-bottom: none;
}

.detail-text h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.detail-text h4 {
  font-size: 15px;
  margin: 20px 0 8px;
  color: #2b4a6f;
}

.detail-text p {
  font-size: 15px;
  color: #4a4742;
}

.detail-text ul {
  margin-bottom: 12px;
}

.detail-text li {
  font-size: 14px;
  color: #4a4742;
}

.detail-media {
  background-color: #e5dfd3;
  border-radius: 6px;
  overflow: hidden;
}

.detail-media img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.detail-media figcaption {
  padding: 10px 14px;
  font-size: 13px;
  color: #6b675f;
}

.fit-check {
  padding: 40px 0;
  border-top: 1px solid #e5dfd3;
}

.fit-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.fit-item {
  background-color: #faf8f3;
  border-left: 3px solid #2b4a6f;
  padding: 16px 20px;
}

.fit-item p {
  margin: 0 0 4px;
  font-size: 14px;
  color: #4a4742;
}

.fit-item p:last-child {
  margin-bottom: 0;
}

.fit-item strong {
  color: #1c1b1a;
  font-weight: 600;
}

.fit-note {
  font-size: 14px;
  color: #6b675f;
}

.fit-note a {
  font-weight: 600;
}

.cta-block {
  padding: 40px;
  background-color: #1c1b1a;
  border-radius: 6px;
  color: #f4f1ea;
  text-align: left;
}

.cta-block h2 {
  color: #f4f1ea;
  margin-bottom: 12px;
}

.cta-block p {
  color: #c9c4b8;
  margin-bottom: 16px;
}

.cta-block a {
  color: #f4f1ea;
  font-weight: 600;
  margin-right: 20px;
}

.cta-block a:hover {
  color: #e5dfd3;
}

/* ==========================================================================
   Pages — process
   ========================================================================== */
.page-process .process-overview {
  padding: 40px 0 24px;
}

.timeline-overview {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.timeline-item {
  position: relative;
  padding-top: 36px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  top: 12px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: #e5dfd3;
}

.timeline-marker {
  position: absolute;
  top: 4px;
  left: 0;
  width: 18px;
  height: 18px;
  background-color: #a63a2b;
  border-radius: 50%;
  z-index: 1;
}

.timeline-item h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

.timeline-item p {
  font-size: 14px;
  color: #4a4742;
  margin: 0 0 6px;
}

.process-details {
  padding: 24px 0;
  border-top: 1px solid #e5dfd3;
}

.phase-block {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 32px;
  padding: 32px 0;
  border-bottom: 1px solid #e5dfd3;
  align-items: start;
}

.phase-block:last-child {
  border-bottom: none;
}

.phase-number {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  color: #a63a2b;
  margin-bottom: 8px;
}

.phase-content h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.phase-content p {
  font-size: 15px;
  color: #4a4742;
}

.phase-media {
  background-color: #e5dfd3;
  border-radius: 6px;
  overflow: hidden;
}

.phase-media img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.phase-media figcaption {
  padding: 10px 14px;
  font-size: 13px;
  color: #6b675f;
}

.preparation-tips {
  padding: 40px 0;
  border-top: 1px solid #e5dfd3;
}

.preparation-list {
  list-style: none;
  padding: 0;
  margin-bottom: 24px;
}

.preparation-list li {
  position: relative;
  padding: 12px 16px 12px 40px;
  background-color: #faf8f3;
  border: 1px solid #e5dfd3;
  border-radius: 4px;
  margin-bottom: 8px;
  font-size: 15px;
  color: #4a4742;
}

.preparation-list li::before {
  content: "→";
  position: absolute;
  left: 16px;
  color: #a63a2b;
  font-weight: 700;
}

.preparation-note {
  font-size: 14px;
  color: #6b675f;
}

.preparation-note a {
  font-weight: 600;
}

.process-related {
  padding: 40px 0;
  border-top: 1px solid #e5dfd3;
}

.process-related p {
  max-width: 720px;
  color: #4a4742;
}

.process-cta {
  padding: 40px;
  background-color: #1c1b1a;
  border-radius: 6px;
}

.process-cta h2 {
  color: #f4f1ea;
  margin-bottom: 12px;
}

.process-cta p {
  color: #c9c4b8;
  margin-bottom: 20px;
}

/* ==========================================================================
   Pages — scenarios
   ========================================================================== */
.page-scenarios .page-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 40px;
  padding: 40px 0;
  align-items: start;
}

.scenario-nav-wrap {
  background-color: #faf8f3;
  border: 1px solid #e5dfd3;
  border-radius: 6px;
  padding: 24px 0;
}

.scenario-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.scenario-nav-list li {
  margin: 0;
}

.scenario-nav-list a {
  display: block;
  padding: 16px 24px;
  border-bottom: 1px solid #e5dfd3;
  transition: background-color 0.2s ease;
}

.scenario-nav-list li:last-child a {
  border-bottom: none;
}

.scenario-nav-list a:hover {
  background-color: #e5dfd3;
  text-decoration: none;
}

.scenario-nav-num {
  display: block;
  font-size: 12px;
  color: #a63a2b;
  font-weight: 700;
  margin-bottom: 4px;
}

.scenario-nav-name {
  display: block;
  font-size: 17px;
  font-weight: 700;
  color: #1c1b1a;
  margin-bottom: 4px;
}

.scenario-nav-desc {
  display: block;
  font-size: 13px;
  color: #6b675f;
  line-height: 1.5;
}

.scenario-detail-wrap {
  min-width: 0;
}

.scenario-detail {
  margin-bottom: 32px;
}

.scenario-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.scenario-tag {
  display: inline-block;
  background-color: #2b4a6f;
  color: #f4f1ea;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 3px;
}

.scenario-head h2 {
  margin: 0;
}

.scenario-body {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 32px;
  align-items: start;
}

.scenario-figure {
  background-color: #e5dfd3;
  border-radius: 6px;
  overflow: hidden;
}

.scenario-figure img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.scenario-text h3 {
  font-size: 16px;
  color: #2b4a6f;
  margin: 20px 0 8px;
}

.scenario-text h3:first-child {
  margin-top: 0;
}

.scenario-text p {
  font-size: 15px;
  color: #4a4742;
}

.scenario-text ul {
  font-size: 14px;
  color: #4a4742;
}

.scenario-combination {
  border-top: 1px solid #e5dfd3;
  padding: 40px 0 0;
}

.combination-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.combination-item {
  background-color: #faf8f3;
  border: 1px solid #e5dfd3;
  border-radius: 6px;
  padding: 20px;
}

.combination-item h3 {
  font-size: 15px;
  margin-bottom: 8px;
  color: #a63a2b;
}

.combination-item p {
  font-size: 14px;
  color: #4a4742;
  margin: 0;
}

.combination-note {
  font-size: 14px;
  color: #6b675f;
}

.combination-note a {
  font-weight: 600;
}

/* ==========================================================================
   Pages — faq
   ========================================================================== */
.page-faq .faq-group-nav {
  padding: 40px 0 24px;
}

.content-media-inline {
  margin-bottom: 32px;
}

.content-media-inline img {
  height: 200px;
}

.faq-group-list {
  list-style: none;
  padding: 0;
  margin: 0 0 40px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.faq-group-list li {
  margin: 0;
}

.faq-group-list a {
  display: inline-block;
  padding: 10px 20px;
  background-color: #faf8f3;
  border: 1px solid #e5dfd3;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 600;
  color: #1c1b1a;
  min-height: 44px;
  line-height: 1.4;
}

.faq-group-list a:hover {
  border-color: #a63a2b;
  color: #a63a2b;
  text-decoration: none;
}

.faq-section {
  padding: 24px 0;
  border-top: 1px solid #e5dfd3;
}

.faq-section .section-title {
  margin-bottom: 20px;
}

.faq-section .faq-item p a {
  font-weight: 600;
}

.faq-feedback {
  padding: 40px;
  background-color: #1c1b1a;
  border-radius: 6px;
  margin-top: 40px;
}

.faq-feedback .section-title {
  color: #f4f1ea;
}

.faq-feedback p {
  color: #c9c4b8;
  font-size: 15px;
  margin-bottom: 16px;
}

.faq-feedback a {
  color: #f4f1ea;
  font-weight: 600;
  margin-right: 20px;
}

.faq-feedback a:hover {
  color: #e5dfd3;
}

/* ==========================================================================
   Pages — cooperation
   ========================================================================== */
.content-block {
  padding: 40px 0;
  border-bottom: 1px solid #e5dfd3;
}

.content-block:last-child {
  border-bottom: none;
}

.step-list {
  list-style: none;
  padding: 0;
  margin: 24px 0;
}

.step-item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid #e5dfd3;
  margin: 0;
}

.step-item:last-child {
  border-bottom: none;
}

.step-marker {
  width: 40px;
  height: 40px;
  background-color: #a63a2b;
  color: #f4f1ea;
  font-size: 16px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.step-content h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.step-content p {
  font-size: 15px;
  color: #4a4742;
}

.step-output {
  font-size: 14px;
  color: #6b675f;
  border-left: 3px solid #2b4a6f;
  padding-left: 12px;
  margin-top: 12px;
}

.checklist {
  list-style: none;
  padding: 0;
  margin: 24px 0;
}

.checklist li {
  position: relative;
  padding: 12px 16px 12px 40px;
  background-color: #faf8f3;
  border: 1px solid #e5dfd3;
  border-radius: 4px;
  margin-bottom: 8px;
  font-size: 15px;
  color: #4a4742;
}

.checklist li::before {
  content: "✓";
  position: absolute;
  left: 16px;
  color: #a63a2b;
  font-weight: 700;
}

.boundary-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 24px;
}

.boundary-column {
  background-color: #faf8f3;
  border: 1px solid #e5dfd3;
  border-radius: 6px;
  padding: 24px;
}

.boundary-column h3 {
  font-size: 17px;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid #2b4a6f;
}

.boundary-column ul {
  font-size: 14px;
  color: #4a4742;
}

.feedback-links {
  list-style: none;
  padding: 0;
  margin: 24px 0;
}

.feedback-links li {
  margin-bottom: 12px;
}

.feedback-links a {
  font-weight: 600;
  font-size: 15px;
}

.content-figure {
  background-color: #e5dfd3;
  border-radius: 6px;
  overflow: hidden;
  margin-top: 24px;
}

.content-figure img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

.content-figure figcaption {
  padding: 10px 14px;
  font-size: 13px;
  color: #6b675f;
}

/* ==========================================================================
   Pages — 404
   ========================================================================== */
.site-error {
  background-color: #f4f1ea;
}

.error-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 24px;
  display: flex;
  justify-content: center;
}

.error-content {
  max-width: 560px;
  text-align: left;
}

.error-code {
  font-size: 72px;
  font-weight: 700;
  color: #a63a2b;
  margin: 0 0 8px;
  line-height: 1;
}

.error-content h1 {
  font-size: 28px;
  margin-bottom: 16px;
}

.error-desc {
  font-size: 16px;
  color: #4a4742;
  margin-bottom: 12px;
}

.error-tip {
  font-size: 14px;
  color: #6b675f;
  margin-bottom: 28px;
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-section {
    gap: 32px;
  }

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

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

  .process-timeline {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

  .timeline-overview {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

  .page-scenarios .page-layout {
    grid-template-columns: 240px 1fr;
    gap: 24px;
  }

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

  .scenario-figure img {
    height: 200px;
  }
}

@media (max-width: 768px) {
  .header-inner {
    padding: 12px 16px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: #f4f1ea;
    border-bottom: 1px solid #e5dfd3;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .nav-list {
    flex-direction: column;
    padding: 8px 16px 16px;
    gap: 0;
  }

  .nav-list li {
    border-bottom: 1px solid #e5dfd3;
  }

  .nav-list li:last-child {
    border-bottom: none;
  }

  .nav-list a {
    display: block;
    padding: 14px 8px;
    font-size: 16px;
  }

  .nav-list.is-open {
    display: flex;
  }

  .site-nav.is-open {
    max-height: 400px;
  }

  .site-main {
    padding: 0;
  }

  .home-main,
  .inner-main {
    padding: 0 16px;
  }

  .breadcrumb {
    padding: 16px 16px 0;
  }

  .page-header {
    padding: 24px 16px 16px;
  }

  .page-title {
    font-size: 26px;
  }

  .hero-section {
    grid-template-columns: 1fr;
    padding: 40px 0 32px;
    gap: 24px;
  }

  .hero-content h1 {
    font-size: 30px;
  }

  .hero-figure img {
    height: 240px;
  }

  .content-media-primary img {
    height: 220px;
  }

  .index-nav-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .index-nav-item {
    padding: 20px;
  }

  .service-matrix-table {
    display: block;
    overflow-x: auto;
  }

  .service-matrix-table thead,
  .service-matrix-table tbody {
    min-width: 720px;
  }

  .process-timeline {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .scenario-group {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .scenario-col {
    padding: 20px;
  }

  .footer-index {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    padding: 32px 16px 16px;
  }

  .footer-bottom {
    padding: 16px 16px 24px;
  }

  .overview-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .detail-block {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .detail-media img {
    height: 180px;
  }

  .fit-list {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .cta-block,
  .process-cta,
  .faq-feedback {
    padding: 24px;
  }

  .timeline-overview {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .phase-block {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .phase-media img {
    height: 180px;
  }

  .page-scenarios .page-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .scenario-nav-wrap {
    padding: 0;
  }

  .scenario-nav-list {
    display: flex;
    flex-wrap: wrap;
  }

  .scenario-nav-list li {
    flex: 1 1 100%;
  }

  .scenario-nav-list a {
    padding: 14px 16px;
  }

  .scenario-body {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .combination-list {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .faq-group-list {
    flex-direction: column;
    gap: 8px;
  }

  .faq-group-list a {
    width: 100%;
    text-align: left;
  }

  .boundary-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .step-item {
    grid-template-columns: 40px 1fr;
    gap: 16px;
  }

  .step-marker {
    width: 36px;
    height: 36px;
    font-size: 14px;
  }

  .error-main {
    padding: 48px 16px;
  }

  .error-code {
    font-size: 56px;
  }
}

@media (max-width: 480px) {
  .brand {
    font-size: 17px;
  }

  .hero-content h1 {
    font-size: 26px;
  }

  .hero-slogan {
    font-size: 16px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    text-align: center;
  }

  .footer-index {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-title {
    font-size: 24px;
  }

  .section-title {
    font-size: 21px;
  }

  .cta-block a,
  .faq-feedback a {
    display: block;
    margin: 0 0 12px;
  }

  .step-item {
    grid-template-columns: 1fr;
    padding: 16px 0;
  }

  .step-marker {
    margin-bottom: 4px;
  }

  .boundary-column {
    padding: 20px;
  }
}