:root {
  --str-black: #0a0a0a;
  --str-white: #fafafa;
  --str-red: #c0392b;
  --str-red-dark: #962d22;
  --str-red-light: #e74c3c;
  --str-gray-100: #f5f5f5;
  --str-gray-200: #e0e0e0;
  --str-gray-300: #c0c0c0;
  --str-gray-400: #999;
  --str-gray-500: #666;
  --str-gray-600: #444;
  --str-gray-700: #333;
  --str-gray-800: #222;
  --str-font-heading: 'Zen Kaku Gothic New', sans-serif;
  --str-font-body: 'Noto Sans JP', sans-serif;
  --str-max-width: 1200px;
  --str-radius: 4px;
  --str-transition: 0.3s ease;
}

@import url('https://fonts.googleapis.com/css2?family=Zen+Kaku+Gothic+New:wght@400;700;900&family=Noto+Sans+JP:wght@300;400;500;700&display=swap');

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--str-font-body);
  color: var(--str-black);
  background: var(--str-white);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--str-red);
  text-decoration: none;
  transition: color var(--str-transition);
}

a:hover {
  color: var(--str-red-dark);
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--str-font-heading);
  font-weight: 700;
  line-height: 1.3;
}

.str-container {
  max-width: var(--str-max-width);
  margin: 0 auto;
  padding: 0 24px;
}

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

.str-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(8px);
  transition: background var(--str-transition);
}

.str-header-inner {
  max-width: var(--str-max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.str-logo {
  font-family: var(--str-font-heading);
  font-weight: 900;
  font-size: 1.25rem;
  color: var(--str-white);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.str-logo:hover {
  color: var(--str-white);
}

.str-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.str-nav-link {
  color: var(--str-gray-300);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  position: relative;
  padding: 4px 0;
  transition: color var(--str-transition);
}

.str-nav-link:hover {
  color: var(--str-white);
}

.str-nav-dropdown {
  position: relative;
}

.str-nav-dropdown-toggle {
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
}

.str-nav-dropdown-toggle::after {
  content: '';
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid var(--str-gray-300);
  transition: border-top-color var(--str-transition);
}

.str-nav-dropdown:hover .str-nav-dropdown-toggle::after {
  border-top-color: var(--str-white);
}

.str-nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--str-gray-800);
  min-width: 320px;
  padding: 16px 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--str-transition), visibility var(--str-transition);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.str-nav-dropdown:hover .str-nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
}

.str-nav-dropdown-menu a {
  display: block;
  padding: 10px 24px;
  color: var(--str-gray-300);
  font-size: 0.8125rem;
  transition: background var(--str-transition), color var(--str-transition);
}

.str-nav-dropdown-menu a:hover {
  background: var(--str-gray-700);
  color: var(--str-white);
}

.str-cta-nav {
  background: var(--str-red);
  color: var(--str-white) !important;
  padding: 8px 20px !important;
  border-radius: var(--str-radius);
  font-size: 0.8125rem !important;
  font-weight: 700;
  transition: background var(--str-transition) !important;
}

.str-cta-nav:hover {
  background: var(--str-red-dark) !important;
  color: var(--str-white) !important;
}

.str-hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
}

.str-hero-image {
  position: relative;
  overflow: hidden;
}

.str-hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.str-hero-content {
  background: var(--str-black);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 64px;
  position: relative;
}

.str-hero-label {
  font-family: var(--str-font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--str-red);
  margin-bottom: 24px;
}

.str-hero-title {
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--str-white);
  line-height: 1.15;
  margin-bottom: 24px;
}

.str-hero-title span {
  color: var(--str-red);
}

.str-hero-subtitle {
  font-size: 1.125rem;
  color: var(--str-gray-400);
  font-weight: 300;
  max-width: 480px;
  line-height: 1.8;
}

.str-hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 64px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--str-gray-400);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}

.str-hero-scroll i {
  animation: str-bounce 2s infinite;
}

@keyframes str-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

.str-section {
  padding: 100px 0;
}

.str-section-dark {
  background: var(--str-gray-800);
  color: var(--str-white);
}

.str-section-light {
  background: var(--str-gray-100);
}

.str-section-header {
  text-align: center;
  margin-bottom: 64px;
}

.str-section-label {
  font-family: var(--str-font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--str-red);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.str-section-title {
  font-size: 2.5rem;
  font-weight: 900;
  margin-bottom: 16px;
}

.str-section-desc {
  color: var(--str-gray-500);
  font-size: 1rem;
  max-width: 640px;
  margin: 0 auto;
}

.str-section-dark .str-section-desc {
  color: var(--str-gray-400);
}

.str-mission-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.str-mission-text h2 {
  font-size: 2rem;
  margin-bottom: 24px;
}

.str-mission-text p {
  color: var(--str-gray-500);
  margin-bottom: 16px;
  line-height: 1.9;
}

.str-mission-image {
  position: relative;
  overflow: hidden;
  border-radius: var(--str-radius);
}

.str-mission-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.str-mission-image:hover img {
  transform: scale(1.05);
}

.str-article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.str-article-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--str-radius);
  aspect-ratio: 4/3;
  cursor: pointer;
  text-decoration: none;
  display: block;
}

.str-article-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.str-article-card:hover img {
  transform: scale(1.08);
}

.str-article-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 10, 10, 0.9) 0%, rgba(10, 10, 10, 0.1) 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  transition: background var(--str-transition);
}

.str-article-card:hover .str-article-card-overlay {
  background: linear-gradient(to top, rgba(10, 10, 10, 0.95) 0%, rgba(10, 10, 10, 0.2) 60%);
}

.str-article-card-label {
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--str-red);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.str-article-card-title {
  font-family: var(--str-font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--str-white);
  line-height: 1.4;
}

.str-advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}

.str-advantage-item {
  text-align: center;
}

.str-advantage-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--str-red);
  border-radius: 50%;
  font-size: 1.75rem;
  color: var(--str-red);
  transition: background var(--str-transition), color var(--str-transition);
}

.str-advantage-item:hover .str-advantage-icon {
  background: var(--str-red);
  color: var(--str-white);
}

.str-advantage-item h3 {
  font-size: 1.125rem;
  margin-bottom: 12px;
}

.str-advantage-item p {
  color: var(--str-gray-500);
  font-size: 0.875rem;
  line-height: 1.8;
}

.str-section-dark .str-advantage-item p {
  color: var(--str-gray-400);
}

.str-about-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.str-about-image {
  border-radius: var(--str-radius);
  overflow: hidden;
}

.str-about-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.str-about-content h2 {
  font-size: 2rem;
  margin-bottom: 24px;
}

.str-about-content p {
  color: var(--str-gray-500);
  margin-bottom: 16px;
  line-height: 1.9;
}

.str-glossary-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.str-glossary-item {
  background: var(--str-white);
  border: 1px solid var(--str-gray-200);
  border-radius: var(--str-radius);
  padding: 24px;
  transition: border-color var(--str-transition), box-shadow var(--str-transition);
}

.str-glossary-item:hover {
  border-color: var(--str-red);
  box-shadow: 0 4px 16px rgba(192, 57, 43, 0.1);
}

.str-glossary-item dt {
  font-family: var(--str-font-heading);
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 8px;
  color: var(--str-black);
}

.str-glossary-item dt span {
  color: var(--str-red);
  margin-right: 8px;
}

.str-glossary-item dd {
  font-size: 0.875rem;
  color: var(--str-gray-500);
  line-height: 1.8;
}

.str-glossary-more {
  text-align: center;
  margin-top: 40px;
}

.str-glossary-more a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--str-red);
}

.str-cta-section {
  background: var(--str-black);
  text-align: center;
  padding: 80px 0;
}

.str-cta-section h2 {
  font-size: 2rem;
  color: var(--str-white);
  margin-bottom: 16px;
}

.str-cta-section p {
  color: var(--str-gray-400);
  margin-bottom: 32px;
  font-size: 1rem;
}

.str-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 36px;
  border-radius: var(--str-radius);
  font-family: var(--str-font-heading);
  font-weight: 700;
  font-size: 0.9375rem;
  text-decoration: none;
  transition: all var(--str-transition);
  border: none;
  cursor: pointer;
}

.str-btn-primary {
  background: var(--str-red);
  color: var(--str-white);
}

.str-btn-primary:hover {
  background: var(--str-red-dark);
  color: var(--str-white);
}

.str-btn-outline {
  background: transparent;
  color: var(--str-white);
  border: 2px solid var(--str-gray-400);
}

.str-btn-outline:hover {
  border-color: var(--str-white);
  color: var(--str-white);
}

.str-footer {
  background: var(--str-gray-800);
  color: var(--str-gray-400);
  padding: 64px 0 0;
}

.str-footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--str-gray-700);
}

.str-footer-col h4 {
  font-family: var(--str-font-heading);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--str-white);
  margin-bottom: 20px;
}

.str-footer-col p,
.str-footer-col a {
  font-size: 0.8125rem;
  color: var(--str-gray-400);
  line-height: 2;
}

.str-footer-col a:hover {
  color: var(--str-red-light);
}

.str-footer-col ul li {
  margin-bottom: 4px;
}

.str-footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 0.75rem;
  color: var(--str-gray-500);
}

.str-cookie-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: var(--str-gray-800);
  border-top: 1px solid var(--str-gray-700);
  padding: 20px 0;
  z-index: 9999;
  display: none;
}

.str-cookie-bar.is-visible {
  display: block;
}

.str-cookie-inner {
  max-width: var(--str-max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.str-cookie-text {
  font-size: 0.8125rem;
  color: var(--str-gray-300);
  flex: 1;
}

.str-cookie-actions {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-shrink: 0;
}

.str-cookie-btn {
  padding: 8px 24px;
  font-size: 0.8125rem;
  font-weight: 700;
  font-family: var(--str-font-heading);
  border-radius: var(--str-radius);
  cursor: pointer;
  transition: all var(--str-transition);
  border: none;
}

.str-cookie-accept {
  background: var(--str-red);
  color: var(--str-white);
}

.str-cookie-accept:hover {
  background: var(--str-red-dark);
}

.str-cookie-decline {
  background: transparent;
  color: var(--str-gray-300);
  border: 1px solid var(--str-gray-600);
}

.str-cookie-decline:hover {
  border-color: var(--str-gray-400);
  color: var(--str-white);
}

.str-cookie-settings {
  font-size: 0.75rem;
  color: var(--str-gray-400);
  text-decoration: underline;
  cursor: pointer;
  background: none;
  border: none;
  font-family: var(--str-font-body);
}

.str-cookie-settings:hover {
  color: var(--str-white);
}

.str-reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.str-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.str-page-header {
  padding: 140px 0 60px;
  background: var(--str-black);
  text-align: center;
}

.str-page-header h1 {
  font-size: 2.5rem;
  color: var(--str-white);
  margin-bottom: 16px;
}

.str-page-header p {
  color: var(--str-gray-400);
  font-size: 1rem;
}

.str-breadcrumb {
  font-size: 0.8125rem;
  margin-bottom: 24px;
}

.str-breadcrumb a {
  color: var(--str-gray-400);
}

.str-breadcrumb a:hover {
  color: var(--str-white);
}

.str-breadcrumb span {
  color: var(--str-gray-500);
  margin: 0 8px;
}

.str-breadcrumb .current {
  color: var(--str-red);
}

.str-article-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 64px;
  padding: 64px 0;
}

.str-article-main {}

.str-article-meta {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 32px;
  font-size: 0.8125rem;
  color: var(--str-gray-500);
}

.str-article-meta time {
  display: flex;
  align-items: center;
  gap: 4px;
}

.str-article-hero-img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: var(--str-radius);
  margin-bottom: 40px;
}

.str-article-body h2 {
  font-size: 1.75rem;
  margin-top: 48px;
  margin-bottom: 20px;
  padding-left: 16px;
  border-left: 4px solid var(--str-red);
}

.str-article-body h3 {
  font-size: 1.375rem;
  margin-top: 36px;
  margin-bottom: 16px;
}

.str-article-body p {
  margin-bottom: 20px;
  line-height: 1.9;
  color: var(--str-gray-600);
}

.str-article-body ul, .str-article-body ol {
  margin-bottom: 20px;
  padding-left: 24px;
}

.str-article-body ul li, .str-article-body ol li {
  margin-bottom: 8px;
  color: var(--str-gray-600);
  line-height: 1.8;
}

.str-article-body ul {
  list-style: disc;
}

.str-article-body ol {
  list-style: decimal;
}

.str-article-qa {
  background: var(--str-gray-100);
  border-radius: var(--str-radius);
  padding: 32px;
  margin: 32px 0;
  border-left: 4px solid var(--str-red);
}

.str-article-qa h3 {
  margin-top: 0;
  color: var(--str-red);
}

.str-article-sidebar {
  position: sticky;
  top: 100px;
}

.str-sidebar-section {
  margin-bottom: 40px;
}

.str-sidebar-section h4 {
  font-family: var(--str-font-heading);
  font-size: 0.9375rem;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--str-black);
}

.str-sidebar-section ul li {
  margin-bottom: 10px;
}

.str-sidebar-section ul li a {
  font-size: 0.8125rem;
  color: var(--str-gray-600);
}

.str-sidebar-section ul li a:hover {
  color: var(--str-red);
}

.str-article-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  padding: 48px 0;
  border-top: 1px solid var(--str-gray-200);
  margin-top: 48px;
}

.str-article-nav a {
  display: block;
  padding: 24px;
  border: 1px solid var(--str-gray-200);
  border-radius: var(--str-radius);
  text-decoration: none;
  transition: all var(--str-transition);
}

.str-article-nav a:hover {
  border-color: var(--str-red);
  box-shadow: 0 2px 12px rgba(192, 57, 43, 0.1);
}

.str-article-nav-label {
  font-size: 0.6875rem;
  color: var(--str-gray-400);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.str-article-nav-title {
  font-family: var(--str-font-heading);
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--str-black);
}

.str-contact-layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 64px;
  padding: 64px 0;
}

.str-contact-info {
  padding-top: 20px;
}

.str-contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 32px;
}

.str-contact-info-item i {
  font-size: 1.25rem;
  color: var(--str-red);
  margin-top: 2px;
  flex-shrink: 0;
}

.str-contact-info-item h4 {
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.str-contact-info-item p {
  font-size: 0.8125rem;
  color: var(--str-gray-500);
}

.str-form-group {
  margin-bottom: 24px;
}

.str-form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.str-form-group label .str-required {
  color: var(--str-red);
  margin-left: 4px;
}

.str-form-group input,
.str-form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--str-gray-200);
  border-radius: var(--str-radius);
  font-family: var(--str-font-body);
  font-size: 0.9375rem;
  transition: border-color var(--str-transition);
  background: var(--str-white);
}

.str-form-group input:focus,
.str-form-group textarea:focus {
  outline: none;
  border-color: var(--str-red);
}

.str-form-group textarea {
  min-height: 160px;
  resize: vertical;
}

.str-map-section {
  margin-top: 64px;
  border-radius: var(--str-radius);
  overflow: hidden;
  height: 360px;
  background: var(--str-gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
}

.str-map-section iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.str-legal-content {
  padding: 64px 0;
  max-width: 800px;
  margin: 0 auto;
}

.str-legal-content h2 {
  font-size: 1.5rem;
  margin-top: 48px;
  margin-bottom: 16px;
  padding-left: 16px;
  border-left: 4px solid var(--str-red);
}

.str-legal-content h3 {
  font-size: 1.125rem;
  margin-top: 32px;
  margin-bottom: 12px;
}

.str-legal-content p {
  margin-bottom: 16px;
  color: var(--str-gray-600);
  line-height: 1.9;
}

.str-legal-content ul {
  margin-bottom: 16px;
  padding-left: 24px;
  list-style: disc;
}

.str-legal-content ul li {
  margin-bottom: 8px;
  color: var(--str-gray-600);
  line-height: 1.8;
}

.str-legal-updated {
  font-size: 0.8125rem;
  color: var(--str-gray-400);
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--str-gray-200);
}

.str-list-grid {
  display: grid;
  gap: 32px;
  padding: 64px 0;
}

.str-list-item {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 32px;
  padding: 32px;
  background: var(--str-white);
  border: 1px solid var(--str-gray-200);
  border-radius: var(--str-radius);
  transition: all var(--str-transition);
  text-decoration: none;
  color: inherit;
}

.str-list-item:hover {
  border-color: var(--str-red);
  box-shadow: 0 4px 24px rgba(192, 57, 43, 0.1);
}

.str-list-item-img {
  width: 280px;
  height: 180px;
  border-radius: var(--str-radius);
  overflow: hidden;
  flex-shrink: 0;
}

.str-list-item-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.str-list-item-content h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
  color: var(--str-black);
}

.str-list-item-content p {
  font-size: 0.875rem;
  color: var(--str-gray-500);
  margin-bottom: 16px;
  line-height: 1.8;
}

.str-list-item-meta {
  font-size: 0.75rem;
  color: var(--str-gray-400);
  display: flex;
  gap: 16px;
}

.str-about-page-section {
  padding: 64px 0;
}

.str-about-page-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.str-about-page-text h2 {
  font-size: 2rem;
  margin-bottom: 20px;
}

.str-about-page-text p {
  color: var(--str-gray-600);
  margin-bottom: 16px;
  line-height: 1.9;
}

.str-about-page-img {
  border-radius: var(--str-radius);
  overflow: hidden;
}

.str-about-page-img img {
  width: 100%;
  height: 360px;
  object-fit: cover;
}

.str-values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.str-value-card {
  padding: 32px;
  border: 1px solid var(--str-gray-200);
  border-radius: var(--str-radius);
  text-align: center;
  transition: all var(--str-transition);
}

.str-value-card:hover {
  border-color: var(--str-red);
}

.str-value-card i {
  font-size: 2rem;
  color: var(--str-red);
  margin-bottom: 16px;
}

.str-value-card h3 {
  font-size: 1.0625rem;
  margin-bottom: 12px;
}

.str-value-card p {
  font-size: 0.8125rem;
  color: var(--str-gray-500);
  line-height: 1.8;
}

@media (max-width: 960px) {
  .str-hero {
    grid-template-columns: 1fr;
    height: auto;
  }

  .str-hero-image {
    height: 50vh;
  }

  .str-hero-content {
    padding: 48px 24px;
  }

  .str-hero-title {
    font-size: 2.25rem;
  }

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

  .str-advantages-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .str-about-split,
  .str-mission-grid,
  .str-about-page-grid {
    grid-template-columns: 1fr;
  }

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

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

  .str-footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

  .str-list-item-img {
    width: 100%;
    height: 200px;
  }

  .str-values-grid {
    grid-template-columns: 1fr;
  }

  .str-glossary-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .str-nav {
    display: none;
  }

  .str-hero-title {
    font-size: 1.75rem;
  }

  .str-section-title {
    font-size: 1.75rem;
  }

  .str-article-grid {
    grid-template-columns: 1fr;
  }

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

  .str-cookie-inner {
    flex-direction: column;
    text-align: center;
  }
}