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

:root {
  --primary:       #1B4FD8;
  --primary-dark:  #1238B2;
  --primary-light: #EFF6FF;
  --accent:        #059669;
  --text-dark:     #0F172A;
  --text-medium:   #334155;
  --text-light:    #64748B;
  --bg-white:      #FFFFFF;
  --bg-light:      #F8FAFC;
  --bg-section:    #F1F5F9;
  --border:        #E2E8F0;
  --font:          'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', sans-serif;
  --container:     1200px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }
body {
  font-family: var(--font);
  color: var(--text-dark);
  background-color: var(--bg-white);
  line-height: 1.6;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

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

.site-header {
  background-color: var(--bg-white);
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
}
.header-inner { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.logo-link { display: flex; align-items: center; gap: 12px; text-decoration: none; flex-shrink: 0; }
.brand-name { font-size: 1.3rem; font-weight: 700; color: var(--primary); letter-spacing: -0.01em; }
.header-tagline { font-size: 0.8125rem; color: var(--text-light); }

.page-hero {
  background-color: var(--primary-light);
  padding: 52px 0;
  border-bottom: 1px solid var(--border);
}
.page-hero h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
  line-height: 1.3;
}
.page-hero p { font-size: 0.9375rem; color: var(--text-light); }
.breadcrumb {
  font-size: 0.8rem;
  color: var(--text-light);
  margin-bottom: 12px;
  display: flex;
  gap: 6px;
  align-items: center;
}
.breadcrumb a { color: var(--primary); }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb span { color: var(--text-light); }

.page-content { padding: 72px 0 80px; }
.page-content-inner { max-width: 820px; }
.page-content-inner.centered { margin: 0 auto; text-align: center; }

.about-block {
  padding: 64px 0;
  border-bottom: 1px solid var(--border);
  text-align: center;
}
.about-block:last-child { border-bottom: none; }
.about-block-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  justify-items: center;
}
.about-block-inner.reverse { direction: rtl; }
.about-block-inner.reverse > * { direction: ltr; }
.about-block-text {
  text-align: center;
  max-width: 520px;
}
.about-block-text .block-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.about-block-text h2 {
  font-size: 1.625rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 16px;
  line-height: 1.35;
}
.about-block-text p {
  font-size: 0.95rem;
  color: var(--text-medium);
  line-height: 1.8;
  margin-bottom: 14px;
}
.about-block-image {
  height: 300px;
  background-color: var(--bg-section);
  border: 2px dashed var(--border);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--text-light);
  font-size: 0.8rem;
}
.about-block-image svg { opacity: 0.4; }

.mission-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 24px;
}
.mission-card {
  background-color: var(--bg-light);
  border-radius: 12px;
  padding: 24px 20px;
  border: 1px solid var(--border);
  text-align: center;
}
.mission-card h3 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}
.mission-card p { font-size: 0.85rem; color: var(--text-medium); line-height: 1.65; }

.legal-placeholder {
  padding: 80px 0;
  text-align: center;
  color: var(--text-light);
}
.legal-placeholder p { font-size: 0.9rem; line-height: 1.7; }

.policy-section { margin-bottom: 40px; }
.policy-section h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 14px;
  line-height: 1.35;
}
.policy-section p {
  font-size: 0.95rem;
  color: var(--text-medium);
  line-height: 1.8;
  margin-bottom: 10px;
}
.policy-list {
  list-style: none;
  padding-left: 0;
  margin-top: 10px;
  margin-bottom: 10px;
}
.policy-list li {
  font-size: 0.95rem;
  color: var(--text-medium);
  line-height: 1.75;
  padding-left: 24px;
  margin-bottom: 8px;
  position: relative;
}
.policy-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background-color: var(--primary);
  border-radius: 50%;
}

.site-footer {
  background-color: #0F172A;
  padding: 52px 0 32px;
  color: #fff;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 64px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 28px;
}
.footer-brand .logo-link { margin-bottom: 16px; }
.footer-brand .brand-name { color: #fff; }
.footer-brand p { font-size: 0.875rem; color: rgba(255,255,255,0.5); line-height: 1.65; max-width: 380px; }
.footer-links h4 {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  margin-bottom: 16px;
}
.footer-links ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links ul a { font-size: 0.875rem; color: rgba(255,255,255,0.7); }
.footer-links ul a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.copyright { font-size: 0.8rem; color: rgba(255,255,255,0.38); }

@media (max-width: 768px) {
  .page-hero h1 { font-size: 1.5rem; }
  .about-block-inner { grid-template-columns: 1fr; }
  .about-block-inner.reverse { direction: ltr; }
  .mission-cards { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 36px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 480px) {
  .page-hero { padding: 40px 0; }
  .page-content { padding: 48px 0 60px; }
}