/* Ryus CMS Default Theme */
:root {
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-text: #1f2937;
  --color-text-muted: #6b7280;
  --color-bg: #ffffff;
  --color-bg-alt: #f9fafb;
  --color-border: #e5e7eb;
  --color-link: #2563eb;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans JP", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --radius: 0.5rem;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow: 0 4px 12px rgba(0,0,0,.1);
  --max-width: 1100px;
  --content-width: 720px;
}

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

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

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--color-link); text-decoration: none; }
a:hover { text-decoration: underline; }

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

/* Layout */
.site-wrapper { max-width: var(--max-width); margin: 0 auto; padding: 0 1.25rem; width: 100%; }

/* Header */
.site-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  position: sticky; top: 0; z-index: 100;
  box-shadow: var(--shadow-sm);
}
.site-header .site-wrapper {
  display: flex; align-items: center; justify-content: space-between;
  height: 60px;
}
.site-title { font-size: 1.25rem; font-weight: 700; color: var(--color-text); }
.site-title:hover { text-decoration: none; color: var(--color-primary); }

.site-nav { display: flex; gap: 1.5rem; list-style: none; }
.site-nav a { color: var(--color-text-muted); font-size: 0.9rem; font-weight: 500; transition: color .2s; }
.site-nav a:hover { color: var(--color-primary); text-decoration: none; }

/* Main */
main { flex: 1; padding: 2.5rem 0; }

/* Post list */
.post-list { display: grid; gap: 1.75rem; }

.post-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow .2s, transform .2s;
  background: var(--color-bg);
}
.post-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }

.post-card-thumbnail { aspect-ratio: 16/9; overflow: hidden; background: var(--color-bg-alt); }
.post-card-thumbnail img { width: 100%; height: 100%; object-fit: cover; }

.post-card-body { padding: 1.25rem 1.5rem 1.5rem; }
.post-card-meta { font-size: 0.8rem; color: var(--color-text-muted); margin-bottom: 0.5rem; }
.post-card-title { font-size: 1.2rem; font-weight: 700; margin-bottom: 0.5rem; line-height: 1.4; }
.post-card-title a { color: var(--color-text); }
.post-card-title a:hover { color: var(--color-primary); text-decoration: none; }
.post-card-excerpt { color: var(--color-text-muted); font-size: 0.9rem; line-height: 1.6; }

/* Single post */
.post-single { max-width: var(--content-width); margin: 0 auto; }
.post-header { margin-bottom: 2rem; }
.post-header h1 { font-size: 2rem; line-height: 1.3; margin-bottom: 0.75rem; }
.post-meta { color: var(--color-text-muted); font-size: 0.875rem; }
.post-thumbnail { border-radius: var(--radius); overflow: hidden; margin-bottom: 2rem; }

.post-content { line-height: 1.85; }
.post-content h1,.post-content h2,.post-content h3,.post-content h4 {
  margin: 2rem 0 1rem; line-height: 1.3;
}
.post-content h2 { font-size: 1.5rem; border-bottom: 2px solid var(--color-border); padding-bottom: 0.4rem; }
.post-content h3 { font-size: 1.25rem; }
.post-content p { margin-bottom: 1.25rem; }
.post-content ul,.post-content ol { margin: 0 0 1.25rem 1.5rem; }
.post-content li { margin-bottom: 0.4rem; }
.post-content blockquote {
  border-left: 4px solid var(--color-primary);
  padding: 0.75rem 1rem; margin: 1.5rem 0;
  background: var(--color-bg-alt); border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--color-text-muted); font-style: italic;
}
.post-content code {
  font-family: var(--font-mono); font-size: 0.875em;
  background: var(--color-bg-alt); padding: 0.15em 0.4em;
  border-radius: 0.25rem;
}
.post-content pre {
  background: #1e293b; color: #e2e8f0; border-radius: var(--radius);
  padding: 1.25rem; overflow-x: auto; margin-bottom: 1.5rem;
}
.post-content pre code { background: none; padding: 0; color: inherit; }
.post-content table { width: 100%; border-collapse: collapse; margin-bottom: 1.5rem; }
.post-content th,.post-content td { border: 1px solid var(--color-border); padding: 0.6rem 0.875rem; }
.post-content th { background: var(--color-bg-alt); font-weight: 600; }
.post-content img { border-radius: var(--radius); margin: 1rem 0; }
.post-content hr { border: none; border-top: 1px solid var(--color-border); margin: 2rem 0; }

/* Pagination */
.pagination { display: flex; justify-content: center; gap: 0.5rem; margin-top: 2.5rem; flex-wrap: wrap; }
.pagination a, .pagination span {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 2.5rem; height: 2.5rem; padding: 0 0.75rem;
  border: 1px solid var(--color-border); border-radius: var(--radius);
  font-size: 0.9rem; transition: all .2s;
}
.pagination a:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); text-decoration: none; }
.pagination .current { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.pagination .disabled { color: var(--color-text-muted); cursor: default; }

/* Page */
.page-single { max-width: var(--content-width); margin: 0 auto; }
.page-header h1 { font-size: 2rem; margin-bottom: 1.5rem; }

/* Empty state */
.empty-state { text-align: center; padding: 4rem 0; color: var(--color-text-muted); }
.empty-state h2 { font-size: 1.5rem; margin-bottom: 0.5rem; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-alt);
}
.site-footer-inner {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
  padding: 2.5rem 0 1.5rem;
}
.site-footer-brand { flex: 1 1 200px; }
.site-footer-brand .footer-logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
  display: block;
  margin-bottom: 0.5rem;
  text-decoration: none;
}
.site-footer-brand p { font-size: 0.85rem; color: var(--color-text-muted); line-height: 1.6; }
.site-footer-nav { flex: 1 1 150px; }
.site-footer-nav h4 {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
}
.site-footer-nav ul { list-style: none; }
.site-footer-nav li { margin-bottom: 0.4rem; }
.site-footer-nav a { font-size: 0.875rem; color: var(--color-text-muted); }
.site-footer-nav a:hover { color: var(--color-primary); text-decoration: none; }
.site-footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 1rem 0;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.8rem;
}

/* 404 */
.error-page { text-align: center; padding: 5rem 0; }
.error-page h1 { font-size: 5rem; font-weight: 900; color: var(--color-primary); line-height: 1; }
.error-page h2 { font-size: 1.5rem; margin: 1rem 0 0.5rem; }
.error-page p { color: var(--color-text-muted); margin-bottom: 1.5rem; }

.btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.6rem 1.25rem; border-radius: var(--radius);
  font-size: 0.9rem; font-weight: 500; cursor: pointer;
  border: 1px solid transparent; transition: all .2s;
  text-decoration: none;
}
.btn-primary { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.btn-primary:hover { background: var(--color-primary-dark); border-color: var(--color-primary-dark); text-decoration: none; color: #fff; }

@media (max-width: 640px) {
  .site-header .site-wrapper { height: 52px; }
  .site-title { font-size: 1.1rem; }
  .site-nav { gap: 1rem; }
  .post-header h1 { font-size: 1.5rem; }
  main { padding: 1.5rem 0; }
}

/* =====================
   Corporate Components
   ===================== */

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #1e3a5f 0%, #2563eb 100%);
  color: #fff;
  text-align: center;
  padding: 6rem 1.25rem;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
}
.hero-inner { max-width: 720px; margin: 0 auto; }
.hero h1 {
  font-size: clamp(1.75rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}
.hero p {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  opacity: .85;
  margin-bottom: 2rem;
  line-height: 1.7;
}
.hero-cta {
  display: inline-block;
  background: #fff;
  color: #1d4ed8;
  font-weight: 700;
  font-size: 1rem;
  padding: 0.875rem 2.25rem;
  border-radius: var(--radius);
  text-decoration: none;
  transition: opacity .2s, transform .2s;
}
.hero-cta:hover { opacity: .9; transform: translateY(-2px); text-decoration: none; color: #1d4ed8; }

/* Corporate Section */
.corp-section { padding: 5rem 0; }
.corp-section + .corp-section { border-top: 1px solid var(--color-border); }
.corp-section-alt { background: var(--color-bg-alt); }
.corp-section-alt-wrap {
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  padding: 5rem calc(50vw - 50%);
}
.section-title {
  text-align: center;
  margin-bottom: 3rem;
}
.section-title h2 {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}
.section-title p { color: var(--color-text-muted); font-size: 1rem; }
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.75rem;
}
.service-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  transition: box-shadow .2s, transform .2s;
}
.service-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.service-icon {
  width: 48px;
  height: 48px;
  background: #eff6ff;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.5rem;
}
.service-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.5rem; }
.service-card p { font-size: 0.9rem; color: var(--color-text-muted); line-height: 1.65; }

/* News Grid (Home) */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}
.news-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-bg);
  transition: box-shadow .2s, transform .2s;
}
.news-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.news-card-img { aspect-ratio: 16/9; overflow: hidden; background: var(--color-bg-alt); }
.news-card-img img { width: 100%; height: 100%; object-fit: cover; }
.news-card-body { padding: 1.25rem; }
.news-card-meta { font-size: 0.8rem; color: var(--color-text-muted); margin-bottom: 0.4rem; }
.news-card-title { font-size: 1rem; font-weight: 600; line-height: 1.45; }
.news-card-title a { color: var(--color-text); }
.news-card-title a:hover { color: var(--color-primary); text-decoration: none; }
.news-more-link { text-align: center; }
.news-more-link a {
  display: inline-block;
  padding: 0.6rem 1.75rem;
  border: 1.5px solid var(--color-primary);
  border-radius: var(--radius);
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.9rem;
  transition: all .2s;
}
.news-more-link a:hover { background: var(--color-primary); color: #fff; text-decoration: none; }

/* Contact Form */
.contact-wrap {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 3rem;
  align-items: start;
}
.contact-form-group { margin-bottom: 1.5rem; }
.contact-form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--color-text);
}
.contact-form-group .required-badge {
  display: inline-block;
  font-size: 0.7rem;
  background: #fee2e2;
  color: #b91c1c;
  padding: .1em .45em;
  border-radius: 3px;
  margin-left: .3rem;
  vertical-align: middle;
}
.contact-input, .contact-textarea, .contact-select {
  width: 100%;
  padding: 0.65rem 0.875rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--color-text);
  background: #fff;
  transition: border-color .2s, box-shadow .2s;
}
.contact-input:focus, .contact-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}
.contact-textarea { resize: vertical; min-height: 180px; }
.contact-submit {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  padding: 0.875rem 2.5rem;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background .2s, transform .2s;
}
.contact-submit:hover { background: var(--color-primary-dark); transform: translateY(-1px); }
.contact-info-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem;
}
.contact-info-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 1rem; }
.contact-info-item { display: flex; gap: 0.75rem; margin-bottom: 1rem; font-size: 0.9rem; }
.contact-info-item .icon { font-size: 1.1rem; flex-shrink: 0; }
.contact-info-item div { color: var(--color-text-muted); line-height: 1.5; }
.contact-info-item strong { display: block; color: var(--color-text); font-weight: 600; }
.alert-success {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #166534;
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}
.alert-error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

@media (max-width: 768px) {
  .hero { padding: 4rem 1.25rem; }
  .corp-section { padding: 3.5rem 0; }
  .contact-wrap { grid-template-columns: 1fr; }
  .site-footer-inner { flex-direction: column; gap: 1.5rem; }
}