@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@400;600;700&family=Noto+Sans+JP:wght@300;400;500&display=swap');

:root {
  --kt-bg-ivory: #FAF7F2;
  --kt-navy: #1B2A4A;
  --kt-gold: #C9A84C;
  --kt-white: #FFFFFF;
  --kt-text-dark: #1B2A4A;
  --kt-text-body: #3D4A5C;
  --kt-text-light: #6B7B8D;
  --kt-border-light: #E2DDD5;
  --kt-border-thin: #D8D3CB;
  --kt-bg-section-alt: #F3EFE8;
  --kt-bg-card: #FFFFFF;
  --kt-shadow-soft: 0 2px 12px rgba(27, 42, 74, 0.06);
  --kt-shadow-hover: 0 4px 20px rgba(27, 42, 74, 0.1);
  --kt-radius: 2px;
  --kt-transition: 0.3s ease;
  --kt-font-heading: 'Noto Serif JP', serif;
  --kt-font-body: 'Noto Sans JP', sans-serif;
  --kt-max-width: 1200px;
}

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

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

body {
  font-family: var(--kt-font-body);
  font-weight: 400;
  color: var(--kt-text-body);
  background-color: var(--kt-bg-ivory);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--kt-font-heading);
  color: var(--kt-text-dark);
  line-height: 1.4;
  font-weight: 600;
}

h1 { font-size: 2.25rem; margin-bottom: 1rem; }
h2 { font-size: 1.75rem; margin-bottom: 0.875rem; }
h3 { font-size: 1.375rem; margin-bottom: 0.75rem; }

a {
  color: var(--kt-navy);
  text-decoration: none;
  transition: color var(--kt-transition);
}

a:hover { color: var(--kt-gold); }

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

ul, ol { list-style: none; }

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

.kt-btn {
  display: inline-block;
  padding: 14px 32px;
  font-family: var(--kt-font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  border: none;
  border-radius: var(--kt-radius);
  cursor: pointer;
  transition: all var(--kt-transition);
  text-align: center;
  line-height: 1;
}

.kt-btn-primary {
  background-color: var(--kt-gold);
  color: var(--kt-navy);
}

.kt-btn-primary:hover {
  background-color: #B8973E;
  color: var(--kt-navy);
}

.kt-btn-outline {
  background-color: transparent;
  color: var(--kt-navy);
  border: 1px solid var(--kt-navy);
}

.kt-btn-outline:hover {
  background-color: var(--kt-navy);
  color: var(--kt-white);
}

.kt-btn-white {
  background-color: var(--kt-white);
  color: var(--kt-navy);
}

.kt-btn-white:hover {
  background-color: var(--kt-bg-ivory);
}

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(250, 247, 242, 0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--kt-border-light);
}

.kt-header-inner {
  max-width: var(--kt-max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.kt-logo {
  font-family: var(--kt-font-heading);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--kt-navy);
  text-decoration: none;
}

.kt-logo span {
  color: var(--kt-gold);
}

.kt-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.kt-nav a {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--kt-text-dark);
  position: relative;
}

.kt-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1.5px;
  background-color: var(--kt-gold);
  transition: width var(--kt-transition);
}

.kt-nav a:hover::after { width: 100%; }

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

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

.kt-nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  min-width: 280px;
  background-color: var(--kt-white);
  border: 1px solid var(--kt-border-light);
  box-shadow: var(--kt-shadow-soft);
  border-radius: var(--kt-radius);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transition: all var(--kt-transition);
  z-index: 1001;
}

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

.kt-nav-dropdown-menu a {
  display: block;
  padding: 10px 20px;
  font-size: 0.8125rem;
  color: var(--kt-text-body);
  white-space: nowrap;
}

.kt-nav-dropdown-menu a:hover {
  background-color: var(--kt-bg-ivory);
  color: var(--kt-navy);
}

.kt-nav-cta {
  padding: 10px 24px !important;
  background-color: var(--kt-gold);
  color: var(--kt-navy) !important;
  border-radius: var(--kt-radius);
  font-weight: 500 !important;
}

.kt-nav-cta::after { display: none !important; }

.kt-nav-cta:hover {
  background-color: #B8973E !important;
}

.kt-hero {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  padding-top: 72px;
  overflow: hidden;
}

.kt-hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('../img/hero-home.jpg');
  background-size: cover;
  background-position: center;
}

.kt-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(27, 42, 74, 0.85) 0%, rgba(27, 42, 74, 0.65) 100%);
}

.kt-hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--kt-max-width);
  margin: 0 auto;
  padding: 80px 24px;
  width: 100%;
}

.kt-hero-label {
  font-family: var(--kt-font-body);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--kt-gold);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.kt-hero-title {
  font-family: var(--kt-font-heading);
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--kt-white);
  line-height: 1.3;
  margin-bottom: 20px;
  max-width: 640px;
}

.kt-hero-subtitle {
  font-size: 1.0625rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 36px;
  max-width: 520px;
  line-height: 1.8;
}

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

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

.kt-section-alt {
  background-color: var(--kt-bg-section-alt);
}

.kt-section-header {
  text-align: center;
  margin-bottom: 48px;
}

.kt-section-label {
  font-family: var(--kt-font-body);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--kt-gold);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 8px;
}

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

.kt-section-desc {
  font-size: 0.9375rem;
  color: var(--kt-text-light);
  max-width: 600px;
  margin: 0 auto;
}

.kt-about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: center;
}

.kt-about-image {
  border-radius: var(--kt-radius);
  overflow: hidden;
  border: 1px solid var(--kt-border-light);
}

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

.kt-about-text h2 {
  margin-bottom: 16px;
}

.kt-about-text p {
  margin-bottom: 16px;
  font-size: 0.9375rem;
  line-height: 1.9;
}

.kt-article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.kt-card {
  background-color: var(--kt-bg-card);
  border: 1px solid var(--kt-border-light);
  border-radius: var(--kt-radius);
  overflow: hidden;
  transition: all var(--kt-transition);
}

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

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

.kt-card-body {
  padding: 24px;
}

.kt-card-date {
  font-size: 0.75rem;
  color: var(--kt-text-light);
  margin-bottom: 8px;
}

.kt-card-title {
  font-family: var(--kt-font-heading);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--kt-text-dark);
  margin-bottom: 10px;
  line-height: 1.5;
}

.kt-card-title a {
  color: inherit;
}

.kt-card-title a:hover {
  color: var(--kt-gold);
}

.kt-card-excerpt {
  font-size: 0.8125rem;
  color: var(--kt-text-light);
  line-height: 1.7;
  margin-bottom: 16px;
}

.kt-card-link {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--kt-gold);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.kt-card-link:hover {
  color: var(--kt-navy);
}

.kt-mission {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.kt-mission blockquote {
  font-family: var(--kt-font-heading);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--kt-text-dark);
  line-height: 1.8;
  margin-bottom: 24px;
  position: relative;
  padding: 0 40px;
}

.kt-mission blockquote::before,
.kt-mission blockquote::after {
  font-size: 3rem;
  color: var(--kt-gold);
  position: absolute;
  line-height: 1;
}

.kt-mission blockquote::before {
  content: '\201C';
  left: 0;
  top: -8px;
}

.kt-mission blockquote::after {
  content: '\201D';
  right: 0;
  bottom: -16px;
}

.kt-mission cite {
  font-style: normal;
  font-size: 0.875rem;
  color: var(--kt-text-light);
}

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

.kt-advantage-card {
  background-color: var(--kt-bg-card);
  border: 1px solid var(--kt-border-light);
  border-radius: var(--kt-radius);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--kt-transition);
}

.kt-advantage-card:hover {
  box-shadow: var(--kt-shadow-hover);
}

.kt-advantage-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 20px;
  color: var(--kt-gold);
}

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

.kt-advantage-card p {
  font-size: 0.8125rem;
  color: var(--kt-text-light);
  line-height: 1.7;
}

.kt-faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.kt-faq-item {
  border-bottom: 1px solid var(--kt-border-light);
}

.kt-faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 20px 0;
  font-family: var(--kt-font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--kt-text-dark);
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  line-height: 1.5;
}

.kt-faq-question:hover {
  color: var(--kt-gold);
}

.kt-faq-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform var(--kt-transition);
}

.kt-faq-item.active .kt-faq-icon {
  transform: rotate(180deg);
}

.kt-faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.kt-faq-answer-inner {
  padding-bottom: 20px;
  font-size: 0.9375rem;
  color: var(--kt-text-body);
  line-height: 1.8;
}

.kt-cta-section {
  background-color: var(--kt-navy);
  text-align: center;
  padding: 80px 0;
}

.kt-cta-section h2 {
  color: var(--kt-white);
  margin-bottom: 16px;
}

.kt-cta-section p {
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 32px;
  font-size: 0.9375rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.kt-newsletter-form {
  display: flex;
  max-width: 480px;
  margin: 0 auto;
  gap: 12px;
}

.kt-newsletter-form input[type="email"] {
  flex: 1;
  padding: 12px 16px;
  border: 1px solid var(--kt-border-light);
  border-radius: var(--kt-radius);
  font-family: var(--kt-font-body);
  font-size: 0.875rem;
  background-color: var(--kt-white);
}

.kt-newsletter-form input[type="email"]:focus {
  outline: 2px solid var(--kt-gold);
  border-color: var(--kt-gold);
}

footer {
  background-color: var(--kt-navy);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 0;
}

.kt-footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-bottom: 40px;
}

.kt-footer-col h4 {
  color: var(--kt-white);
  font-family: var(--kt-font-heading);
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.kt-footer-col p,
.kt-footer-col a {
  font-size: 0.8125rem;
  line-height: 2;
  color: rgba(255, 255, 255, 0.6);
}

.kt-footer-col a:hover {
  color: var(--kt-gold);
}

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

.kt-footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.4);
}

.kt-article-header {
  padding-top: 72px;
  background-color: var(--kt-navy);
  color: var(--kt-white);
  padding-bottom: 48px;
}

.kt-article-header-inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 60px 24px 0;
}

.kt-article-header .kt-breadcrumb {
  font-size: 0.75rem;
  margin-bottom: 20px;
  color: rgba(255, 255, 255, 0.6);
}

.kt-article-header .kt-breadcrumb a {
  color: rgba(255, 255, 255, 0.6);
}

.kt-article-header .kt-breadcrumb a:hover {
  color: var(--kt-gold);
}

.kt-article-header h1 {
  font-size: 2rem;
  color: var(--kt-white);
  margin-bottom: 16px;
}

.kt-article-meta {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.6);
  display: flex;
  gap: 20px;
}

.kt-article-body {
  max-width: 800px;
  margin: 0 auto;
  padding: 48px 24px;
}

.kt-article-body p {
  margin-bottom: 20px;
  font-size: 0.9375rem;
  line-height: 1.9;
}

.kt-article-body h2 {
  font-size: 1.5rem;
  margin-top: 48px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--kt-border-light);
}

.kt-article-body h3 {
  font-size: 1.25rem;
  margin-top: 32px;
  margin-bottom: 12px;
}

.kt-article-body ul {
  margin-bottom: 20px;
  padding-left: 24px;
  list-style: disc;
}

.kt-article-body ul li {
  margin-bottom: 8px;
  font-size: 0.9375rem;
  line-height: 1.8;
}

.kt-article-body ol {
  margin-bottom: 20px;
  padding-left: 24px;
  list-style: decimal;
}

.kt-article-body ol li {
  margin-bottom: 8px;
  font-size: 0.9375rem;
  line-height: 1.8;
}

.kt-article-nav {
  max-width: 800px;
  margin: 0 auto;
  padding: 32px 24px 64px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid var(--kt-border-light);
}

.kt-article-nav a {
  font-size: 0.875rem;
  color: var(--kt-text-body);
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: 45%;
}

.kt-article-nav a:hover {
  color: var(--kt-gold);
}

.kt-page-header {
  padding-top: 72px;
  background-color: var(--kt-navy);
  color: var(--kt-white);
  padding-bottom: 48px;
}

.kt-page-header-inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 60px 24px 0;
}

.kt-page-header h1 {
  color: var(--kt-white);
  font-size: 2rem;
  margin-bottom: 12px;
}

.kt-page-header p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9375rem;
}

.kt-page-body {
  max-width: 800px;
  margin: 0 auto;
  padding: 48px 24px;
}

.kt-page-body h2 {
  font-size: 1.375rem;
  margin-top: 40px;
  margin-bottom: 16px;
}

.kt-page-body p {
  margin-bottom: 16px;
  font-size: 0.9375rem;
  line-height: 1.9;
}

.kt-page-body ul {
  margin-bottom: 16px;
  padding-left: 24px;
  list-style: disc;
}

.kt-page-body ul li {
  margin-bottom: 8px;
  font-size: 0.9375rem;
  line-height: 1.8;
}

.kt-form {
  max-width: 560px;
}

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

.kt-form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--kt-text-dark);
  margin-bottom: 6px;
}

.kt-form-group input,
.kt-form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--kt-border-light);
  border-radius: var(--kt-radius);
  font-family: var(--kt-font-body);
  font-size: 0.875rem;
  background-color: var(--kt-white);
  color: var(--kt-text-body);
  transition: border-color var(--kt-transition);
}

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

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

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

.kt-contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 24px;
}

.kt-contact-info-item svg {
  width: 20px;
  height: 20px;
  color: var(--kt-gold);
  flex-shrink: 0;
  margin-top: 2px;
}

.kt-contact-info-item p {
  font-size: 0.875rem;
  line-height: 1.7;
}

.kt-map iframe {
  width: 100%;
  height: 300px;
  border: 1px solid var(--kt-border-light);
  border-radius: var(--kt-radius);
}

.kt-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(27, 42, 74, 0.5);
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
}

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

.kt-modal {
  background-color: var(--kt-white);
  border-radius: var(--kt-radius);
  padding: 48px;
  max-width: 440px;
  text-align: center;
}

.kt-modal h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.kt-modal p {
  font-size: 0.875rem;
  color: var(--kt-text-light);
  margin-bottom: 24px;
}

.kt-cookie-banner {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) translateY(100%);
  z-index: 9998;
  background-color: var(--kt-white);
  border: 1px solid var(--kt-border-light);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
  border-radius: var(--kt-radius) var(--kt-radius) 0 0;
  padding: 24px 32px;
  max-width: 640px;
  width: calc(100% - 48px);
  transition: transform 0.5s ease;
}

.kt-cookie-banner.active {
  transform: translateX(-50%) translateY(0);
}

.kt-cookie-banner p {
  font-size: 0.8125rem;
  color: var(--kt-text-body);
  margin-bottom: 16px;
  line-height: 1.7;
}

.kt-cookie-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.kt-cookie-actions .kt-btn {
  padding: 10px 24px;
  font-size: 0.8125rem;
}

.kt-mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--kt-navy);
}

.kt-mobile-toggle svg {
  width: 24px;
  height: 24px;
}

@media (max-width: 968px) {
  .kt-article-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

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

@media (max-width: 640px) {
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.375rem; }

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

  .kt-nav { display: none; }

  .kt-mobile-toggle { display: block; }

  .kt-nav.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background-color: var(--kt-white);
    border-bottom: 1px solid var(--kt-border-light);
    padding: 20px 24px;
    gap: 16px;
    box-shadow: var(--kt-shadow-soft);
  }

  .kt-nav.active .kt-nav-dropdown-menu {
    position: static;
    transform: none;
    border: none;
    box-shadow: none;
    padding-left: 16px;
    opacity: 1;
    visibility: visible;
    min-width: auto;
  }

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

  .kt-advantages-grid {
    grid-template-columns: 1fr;
  }

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

  .kt-newsletter-form {
    flex-direction: column;
  }

  .kt-hero-actions {
    flex-direction: column;
  }

  .kt-advantages-grid,
  .kt-article-grid {
    gap: 16px;
  }

  .kt-section {
    padding: 56px 0;
  }

  .kt-cta-section {
    padding: 56px 0;
  }
}

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