:root {
  --kn-bg: #FAFAF5;
  --kn-text: #1A1A2E;
  --kn-accent: #2E86AB;
  --kn-accent-hover: #236B89;
  --kn-accent-light: #E8F4F8;
  --kn-border: #E0DED8;
  --kn-shadow: 0 2px 8px rgba(26,26,46,0.06);
  --kn-shadow-hover: 0 4px 16px rgba(26,26,46,0.10);
  --kn-radius: 6px;
  --kn-font-heading: 'Noto Serif JP', serif;
  --kn-font-body: 'Noto Sans JP', sans-serif;
  --kn-max-width: 1140px;
  --kn-transition: 0.25s ease;
}

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

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

body {
  font-family: var(--kn-font-body);
  background: var(--kn-bg);
  color: var(--kn-text);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--kn-accent);
  text-decoration: none;
  transition: color var(--kn-transition);
}

a:hover {
  color: var(--kn-accent-hover);
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--kn-font-heading);
  font-weight: 700;
  line-height: 1.4;
}

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

.kn-nav {
  background: #fff;
  border-bottom: 1px solid var(--kn-border);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.kn-nav .container {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 0;
  padding-bottom: 0;
  min-height: 64px;
  flex-wrap: wrap;
}

.kn-nav-logo {
  font-family: var(--kn-font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--kn-text);
  white-space: nowrap;
  margin-right: 40px;
}

.kn-nav-logo:hover {
  color: var(--kn-accent);
}

.kn-nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 8px;
}

.kn-nav-links > li {
  position: relative;
}

.kn-nav-links > li > a {
  display: block;
  padding: 20px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--kn-text);
  transition: color var(--kn-transition);
}

.kn-nav-links > li > a:hover {
  color: var(--kn-accent);
}

.kn-nav-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: #fff;
  border: 1px solid var(--kn-border);
  border-radius: var(--kn-radius);
  box-shadow: var(--kn-shadow-hover);
  min-width: 260px;
  z-index: 1001;
  padding: 8px 0;
}

.kn-nav-links > li:hover .kn-nav-dropdown {
  display: block;
}

.kn-nav-dropdown a {
  display: block;
  padding: 10px 20px;
  font-size: 0.85rem;
  color: var(--kn-text);
  transition: background var(--kn-transition), color var(--kn-transition);
}

.kn-nav-dropdown a:hover {
  background: var(--kn-accent-light);
  color: var(--kn-accent);
}

.kn-nav-cta {
  background: var(--kn-accent) !important;
  color: #fff !important;
  border-radius: var(--kn-radius);
  padding: 10px 20px !important;
  margin-left: 16px;
  font-weight: 600 !important;
  transition: background var(--kn-transition) !important;
}

.kn-nav-cta:hover {
  background: var(--kn-accent-hover) !important;
  color: #fff !important;
}

.kn-hero {
  position: relative;
  background: var(--kn-text);
  overflow: hidden;
  min-height: 520px;
  display: flex;
  align-items: center;
}

.kn-hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
}

.kn-hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  width: 100%;
}

.kn-hero-text h1 {
  font-size: 2.6rem;
  color: #fff;
  margin-bottom: 16px;
}

.kn-hero-text p {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.88);
  margin-bottom: 32px;
  line-height: 1.9;
}

.kn-hero-image {
  display: flex;
  justify-content: flex-end;
}

.kn-hero-image img {
  border-radius: var(--kn-radius);
  max-height: 360px;
  object-fit: cover;
}

.kn-btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: var(--kn-radius);
  font-weight: 600;
  font-size: 0.95rem;
  transition: background var(--kn-transition), transform var(--kn-transition);
  cursor: pointer;
  border: none;
  text-align: center;
}

.kn-btn-primary {
  background: var(--kn-accent);
  color: #fff;
}

.kn-btn-primary:hover {
  background: var(--kn-accent-hover);
  color: #fff;
  transform: translateY(-1px);
}

.kn-btn-outline {
  background: transparent;
  color: var(--kn-accent);
  border: 2px solid var(--kn-accent);
}

.kn-btn-outline:hover {
  background: var(--kn-accent);
  color: #fff;
}

.kn-btn-white {
  background: #fff;
  color: var(--kn-accent);
}

.kn-btn-white:hover {
  background: var(--kn-accent-light);
  color: var(--kn-accent-hover);
}

.kn-section {
  padding: 80px 0;
}

.kn-section-title {
  text-align: center;
  margin-bottom: 48px;
}

.kn-section-title h2 {
  font-size: 2rem;
  margin-bottom: 12px;
}

.kn-section-title p {
  color: #666;
  font-size: 0.95rem;
  max-width: 600px;
  margin: 0 auto;
}

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

.kn-icon-card {
  background: #fff;
  border: 1px solid var(--kn-border);
  border-radius: var(--kn-radius);
  box-shadow: var(--kn-shadow);
  padding: 32px 24px;
  text-align: center;
  transition: box-shadow var(--kn-transition);
}

.kn-icon-card:hover {
  box-shadow: var(--kn-shadow-hover);
}

.kn-icon-card i {
  font-size: 2rem;
  color: var(--kn-accent);
  margin-bottom: 16px;
}

.kn-icon-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.kn-icon-card p {
  font-size: 0.9rem;
  color: #555;
  line-height: 1.7;
}

.kn-article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.kn-card {
  background: #fff;
  border: 1px solid var(--kn-border);
  border-radius: var(--kn-radius);
  box-shadow: var(--kn-shadow);
  overflow: hidden;
  transition: box-shadow var(--kn-transition), transform var(--kn-transition);
}

.kn-card:hover {
  box-shadow: var(--kn-shadow-hover);
  transform: translateY(-2px);
}

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

.kn-card-body {
  padding: 20px;
}

.kn-card-body h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.kn-card-body p {
  font-size: 0.88rem;
  color: #555;
  margin-bottom: 16px;
  line-height: 1.7;
}

.kn-card-date {
  font-size: 0.8rem;
  color: #999;
  margin-bottom: 8px;
}

.kn-card-link {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--kn-accent);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.kn-card-link:hover {
  gap: 8px;
}

.kn-mission {
  background: #fff;
}

.kn-mission .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.kn-mission-img img {
  border-radius: var(--kn-radius);
  box-shadow: var(--kn-shadow);
}

.kn-mission-text h2 {
  font-size: 1.9rem;
  margin-bottom: 16px;
}

.kn-mission-text p {
  color: #555;
  margin-bottom: 12px;
  line-height: 1.8;
}

.kn-advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.kn-advantage-card {
  background: #fff;
  border: 1px solid var(--kn-border);
  border-radius: var(--kn-radius);
  box-shadow: var(--kn-shadow);
  padding: 28px 20px;
  text-align: center;
}

.kn-advantage-card i {
  font-size: 1.8rem;
  color: var(--kn-accent);
  margin-bottom: 14px;
}

.kn-advantage-card h4 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.kn-advantage-card p {
  font-size: 0.85rem;
  color: #555;
  line-height: 1.6;
}

.kn-testimonials {
  background: #fff;
}

.kn-testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.kn-testimonial-card {
  background: var(--kn-bg);
  border: 1px solid var(--kn-border);
  border-radius: var(--kn-radius);
  padding: 28px;
}

.kn-testimonial-card .kn-quote {
  font-size: 0.92rem;
  color: #444;
  line-height: 1.8;
  margin-bottom: 16px;
  font-style: italic;
}

.kn-testimonial-card .kn-author {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--kn-text);
}

.kn-testimonial-disclaimer {
  text-align: center;
  font-size: 0.8rem;
  color: #999;
  margin-top: 24px;
  line-height: 1.6;
}

.kn-cta-section {
  background: var(--kn-text);
  text-align: center;
  padding: 64px 0;
}

.kn-cta-section h2 {
  color: #fff;
  font-size: 1.8rem;
  margin-bottom: 12px;
}

.kn-cta-section p {
  color: rgba(255,255,255,0.75);
  margin-bottom: 28px;
  font-size: 0.95rem;
}

.kn-contact-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: flex-start;
}

.kn-contact-info-list {
  list-style: none;
}

.kn-contact-info-list li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
  font-size: 0.95rem;
  line-height: 1.7;
}

.kn-contact-info-list li i {
  color: var(--kn-accent);
  font-size: 1.2rem;
  margin-top: 4px;
  min-width: 20px;
}

.kn-form-card {
  background: #fff;
  border: 1px solid var(--kn-border);
  border-radius: var(--kn-radius);
  box-shadow: var(--kn-shadow);
  padding: 36px;
}

.kn-form-group {
  margin-bottom: 20px;
}

.kn-form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 6px;
}

.kn-form-group input,
.kn-form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--kn-border);
  border-radius: var(--kn-radius);
  font-family: var(--kn-font-body);
  font-size: 0.9rem;
  transition: border-color var(--kn-transition);
  background: var(--kn-bg);
}

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

.kn-form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.kn-map-container {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: var(--kn-radius);
  border: 1px solid var(--kn-border);
}

.kn-map-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.kn-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(26,26,46,0.5);
  z-index: 2000;
  justify-content: center;
  align-items: center;
}

.kn-modal-overlay.active {
  display: flex;
}

.kn-modal-box {
  background: #fff;
  border-radius: var(--kn-radius);
  padding: 40px;
  max-width: 460px;
  width: 90%;
  text-align: center;
  box-shadow: 0 8px 32px rgba(26,26,46,0.2);
}

.kn-modal-box i {
  font-size: 3rem;
  color: var(--kn-accent);
  margin-bottom: 16px;
}

.kn-modal-box h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.kn-modal-box p {
  color: #666;
  margin-bottom: 24px;
  font-size: 0.9rem;
}

.kn-cookie-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--kn-accent);
  color: #fff;
  z-index: 1500;
  padding: 20px 0;
  display: none;
}

.kn-cookie-bar.active {
  display: block;
}

.kn-cookie-bar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.kn-cookie-bar p {
  font-size: 0.88rem;
  line-height: 1.6;
  flex: 1;
}

.kn-cookie-bar p a {
  color: #fff;
  text-decoration: underline;
}

.kn-cookie-btns {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}

.kn-cookie-btns button {
  padding: 10px 24px;
  border-radius: var(--kn-radius);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  border: 2px solid #fff;
  transition: background var(--kn-transition), color var(--kn-transition);
  font-family: var(--kn-font-body);
}

.kn-cookie-accept {
  background: #fff;
  color: var(--kn-accent);
}

.kn-cookie-accept:hover {
  background: rgba(255,255,255,0.85);
}

.kn-cookie-reject {
  background: transparent;
  color: #fff;
}

.kn-cookie-reject:hover {
  background: rgba(255,255,255,0.15);
}

.kn-footer {
  background: var(--kn-text);
  color: rgba(255,255,255,0.7);
  padding: 48px 0 0;
}

.kn-footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}

.kn-footer h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 16px;
}

.kn-footer p,
.kn-footer li {
  font-size: 0.88rem;
  line-height: 1.8;
}

.kn-footer ul {
  list-style: none;
}

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

.kn-footer a {
  color: rgba(255,255,255,0.7);
  transition: color var(--kn-transition);
}

.kn-footer a:hover {
  color: #fff;
}

.kn-footer-newsletter {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.kn-footer-newsletter input[type="email"] {
  padding: 10px 14px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--kn-radius);
  background: rgba(255,255,255,0.08);
  color: #fff;
  font-size: 0.88rem;
  font-family: var(--kn-font-body);
}

.kn-footer-newsletter input[type="email"]::placeholder {
  color: rgba(255,255,255,0.5);
}

.kn-footer-newsletter input[type="text"] {
  padding: 10px 14px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--kn-radius);
  background: rgba(255,255,255,0.08);
  color: #fff;
  font-size: 0.88rem;
  font-family: var(--kn-font-body);
}

.kn-footer-newsletter input[type="text"]::placeholder {
  color: rgba(255,255,255,0.5);
}

.kn-footer-newsletter button {
  padding: 10px 20px;
  background: var(--kn-accent);
  color: #fff;
  border: none;
  border-radius: var(--kn-radius);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  font-family: var(--kn-font-body);
  transition: background var(--kn-transition);
}

.kn-footer-newsletter button:hover {
  background: var(--kn-accent-hover);
}

.kn-footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 0.82rem;
}

.kn-cookie-pref-link {
  cursor: pointer;
  background: none;
  border: none;
  color: rgba(255,255,255,0.7);
  font-size: 0.88rem;
  font-family: var(--kn-font-body);
  padding: 0;
  transition: color var(--kn-transition);
}

.kn-cookie-pref-link:hover {
  color: #fff;
}

.kn-mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--kn-text);
  cursor: pointer;
  padding: 8px;
}

.kn-article-content {
  max-width: 780px;
  margin: 0 auto;
  padding: 60px 24px 40px;
}

.kn-article-content h1 {
  font-size: 2rem;
  margin-bottom: 12px;
}

.kn-article-byline {
  font-size: 0.88rem;
  color: #888;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--kn-border);
}

.kn-article-content h2 {
  font-size: 1.5rem;
  margin-top: 40px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--kn-accent-light);
}

.kn-article-content h3 {
  font-size: 1.2rem;
  margin-top: 28px;
  margin-bottom: 12px;
}

.kn-article-content p {
  margin-bottom: 18px;
  line-height: 1.9;
  color: #333;
}

.kn-article-content ul,
.kn-article-content ol {
  margin-bottom: 18px;
  padding-left: 24px;
}

.kn-article-content li {
  margin-bottom: 8px;
  line-height: 1.8;
  color: #333;
}

.kn-article-nav {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--kn-border);
}

.kn-article-nav a {
  font-weight: 600;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.kn-page-header {
  background: #fff;
  border-bottom: 1px solid var(--kn-border);
  padding: 40px 0;
  text-align: center;
}

.kn-page-header h1 {
  font-size: 2rem;
  margin-bottom: 8px;
}

.kn-page-header p {
  color: #666;
  font-size: 0.95rem;
}

.kn-legal-content {
  max-width: 780px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.kn-legal-content h2 {
  font-size: 1.35rem;
  margin-top: 36px;
  margin-bottom: 12px;
  color: var(--kn-text);
}

.kn-legal-content h3 {
  font-size: 1.1rem;
  margin-top: 24px;
  margin-bottom: 10px;
}

.kn-legal-content p {
  margin-bottom: 14px;
  line-height: 1.8;
  color: #444;
}

.kn-legal-content ul {
  margin-bottom: 14px;
  padding-left: 24px;
}

.kn-legal-content li {
  margin-bottom: 6px;
  line-height: 1.7;
  color: #444;
}

.kn-contact-top {
  background: var(--kn-accent-light);
  padding: 48px 0;
}

@media (max-width: 1024px) {
  .kn-hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .kn-hero-image {
    display: none;
  }
  .kn-mission .container {
    grid-template-columns: 1fr;
  }
  .kn-advantages-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .kn-testimonials-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .kn-nav .container {
    justify-content: space-between;
  }
  .kn-mobile-toggle {
    display: block;
  }
  .kn-nav-links {
    display: none;
    flex-direction: column;
    width: 100%;
    background: #fff;
    border-top: 1px solid var(--kn-border);
    padding: 12px 0;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 1001;
  }
  .kn-nav-links.open {
    display: flex;
  }
  .kn-nav-links > li > a {
    padding: 12px 24px;
  }
  .kn-nav-dropdown {
    position: static;
    box-shadow: none;
    border: none;
    padding-left: 24px;
  }
  .kn-nav-cta {
    margin-left: 0;
    margin: 8px 24px;
    text-align: center;
  }
  .kn-hero-text h1 {
    font-size: 1.8rem;
  }
  .kn-icon-grid {
    grid-template-columns: 1fr;
  }
  .kn-article-grid {
    grid-template-columns: 1fr;
  }
  .kn-advantages-grid {
    grid-template-columns: 1fr;
  }
  .kn-testimonials-grid {
    grid-template-columns: 1fr;
  }
  .kn-footer-grid {
    grid-template-columns: 1fr;
  }
  .kn-contact-split {
    grid-template-columns: 1fr;
  }
  .kn-article-nav {
    flex-direction: column;
  }
  .kn-section {
    padding: 56px 0;
  }
}