@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');

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

:root {
  --ink:       #1A1A1A;
  --crimson:   #C0392B;
  --parchment: #F5F0E8;
  --stone:     #8C8C8C;
  --gold:      #B8960C;
  --white:     #FFFFFF;

  --font-heading: 'Noto Serif JP', 'Georgia', serif;
  --font-body:    'Noto Sans JP', 'Helvetica Neue', Arial, sans-serif;

  --max-width: 1200px;
  --radius: 2px;
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background-color: var(--parchment);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.7;
}
img { display: block; max-width: 100%; height: auto; }
a { color: var(--crimson); text-decoration: none; }
a:hover { text-decoration: underline; }
ul { list-style: none; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  border-radius: var(--radius);
  text-decoration: none;
}
.btn--primary { background: var(--crimson); color: var(--white); }
.btn--primary:hover { background: #9B2A1E; text-decoration: none; }
.btn--outline { background: transparent; color: var(--parchment); border: 1.5px solid var(--parchment); }
.btn--outline:hover { background: var(--parchment); color: var(--ink); text-decoration: none; }

.site-header {
  background: var(--ink);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid #2e2e2e;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.header-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}
.header-brand:hover { text-decoration: none; }
.header-logo { width: 42px; height: 42px; flex-shrink: 0; }
.header-brand-name {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.04em;
  line-height: 1.2;
}
.header-brand-name span {
  display: block;
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--stone);
}
.header-nav { display: flex; align-items: center; gap: 36px; }
.header-nav a {
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #CCCCCC;
  text-decoration: none;
}
.header-nav a:hover { color: var(--crimson); text-decoration: none; }
.header-cta { font-size: 12px; padding: 10px 22px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--white); }

.page-hero {
  background: var(--ink);
  padding: 80px 24px 72px;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(0deg, transparent, transparent 80px,
      rgba(255,255,255,0.018) 80px, rgba(255,255,255,0.018) 81px),
    repeating-linear-gradient(90deg, transparent, transparent 80px,
      rgba(255,255,255,0.018) 80px, rgba(255,255,255,0.018) 81px);
  pointer-events: none;
}
.page-hero-inner {
  position: relative;
  max-width: var(--max-width);
  margin: 0 auto;
}
.page-hero-breadcrumb {
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--stone);
  margin-bottom: 16px;
}
.page-hero-breadcrumb a { color: var(--stone); }
.page-hero-breadcrumb a:hover { color: var(--crimson); text-decoration: none; }
.page-hero-breadcrumb span { color: var(--stone); margin: 0 8px; }
.page-hero-title {
  font-family: var(--font-heading);
  font-size: clamp(32px, 5vw, 60px);
  font-weight: 700;
  color: var(--white);
  line-height: 1.15;
  text-wrap: balance;
}
.page-hero-title em {
  font-style: normal;
  color: var(--crimson);
}
.page-hero-sub {
  margin-top: 16px;
  font-size: 15px;
  color: #999;
  max-width: 540px;
  line-height: 1.7;
}

.page-content { padding: 80px 24px; }
.page-content-inner { max-width: 860px; margin: 0 auto; }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-bottom: 64px;
  margin-left: auto;
  margin-right: auto;
}

.about-text-block {
  text-align: center;
}

.about-text-block h2 {
  font-family: var(--font-heading);
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
  margin-bottom: 16px;
}

.about-divider {
  width: 40px;
  height: 2px;
  background: var(--crimson);
  margin: 0 auto 20px;
}

.about-text-block p {
  font-size: 15px;
  color: #444;
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-values {
  background: var(--ink);
  padding: 64px 24px;
  margin: 0 -24px;
  text-align: center;
}

.about-values-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}

.about-values h2 {
  font-family: var(--font-heading);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}

.about-values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 1000px;
  margin: 40px auto 0;
}

.value-item {
  background: #1e1e1e;
  padding: 28px 24px;
  border-top: 3px solid var(--crimson);
  text-align: center;
}

.value-item h3 {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}

.value-item p {
  font-size: 13px;
  color: #888;
  line-height: 1.7;
}

.about-mission {
  padding: 64px 24px;
  margin: 0 -24px;
  text-align: center;
}

.about-mission-inner {
  max-width: 860px;
  margin: 0 auto;
}

.about-mission blockquote {
  padding: 28px 36px;
  border-left: 4px solid var(--crimson);
  background: rgba(192,57,43,0.05);
  margin: 0;
}

.about-mission blockquote p {
  font-family: var(--font-heading);
  font-size: 18px;
  font-style: italic;
  color: var(--ink);
  line-height: 1.7;
}

.about-mission blockquote cite {
  display: block;
  margin-top: 12px;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--stone);
  font-style: normal;
}

.legal-placeholder {
  max-width: 860px;
  margin: 80px auto;
  padding: 64px 24px;
  text-align: center;
}
.legal-placeholder-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 24px;
  color: var(--stone);
}
.legal-placeholder-icon svg { width: 100%; height: 100%; }
.legal-placeholder h2 {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 12px;
}
.legal-placeholder p { font-size: 14px; color: var(--stone); line-height: 1.7; }

.site-footer {
  background: #111111;
  color: #999;
  padding: 64px 24px 32px;
}
.footer-inner { max-width: var(--max-width); margin: 0 auto; }
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid #2a2a2a;
}
.footer-brand-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  text-decoration: none;
}
.footer-brand-wrap:hover { text-decoration: none; }
.footer-logo { width: 36px; height: 36px; }
.footer-brand-name {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
}
.footer-tagline { font-size: 13px; color: #666; line-height: 1.7; max-width: 280px; }
.footer-col-title {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 20px;
}
.footer-nav-list { display: flex; flex-direction: column; gap: 10px; }
.footer-nav-list a { font-size: 13px; color: #888; text-decoration: none; }
.footer-nav-list a:hover { color: var(--crimson); text-decoration: none; }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 28px;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-copy { font-size: 12px; color: #555; }
.footer-legal { display: flex; gap: 24px; }
.footer-legal a { font-size: 12px; color: #555; text-decoration: none; }
.footer-legal a:hover { color: var(--crimson); text-decoration: none; }

@media (max-width: 768px) {
  .header-nav { display: none; flex-direction: column; }
  .header-nav.open {
    display: flex;
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: var(--ink);
    padding: 16px 24px;
    border-top: 1px solid #2e2e2e;
    gap: 0;
  }
  .header-nav.open a { padding: 12px 0; border-bottom: 1px solid #1e1e1e; display: block; }
  .header-cta { display: none; }
  .nav-toggle { display: flex; }
  .header-inner { position: relative; }

  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-values-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 480px) {
  .footer-top { grid-template-columns: 1fr; }
}