@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;600;700;900&display=swap');

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

:root {
  --color-primary:   #E63012;
  --color-dark:      #111418;
  --color-surface:   #1C2026;
  --color-mid:       #2A3038;
  --color-light:     #F4F5F7;
  --color-white:     #FFFFFF;
  --color-text:      #E8EBF0;
  --color-muted:     #8A95A3;
  --color-border:    #2E3540;
  --radius-sm:       4px;
  --radius-md:       8px;
  --radius-lg:       12px;
  --container:       1200px;
}

html { background: var(--color-dark); }
body {
  font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
  background: var(--color-dark);
  color: var(--color-text);
  line-height: 1.6;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
ul { list-style: none; }

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

.site-header {
  background: var(--color-dark);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: var(--container);
  margin: 0 auto;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-logo { width: 44px; height: 44px; flex-shrink: 0; }

.header-brand-name {
  font-size: 22px;
  font-weight: 900;
  color: var(--color-white);
  letter-spacing: -0.5px;
}

.header-brand-name span { color: var(--color-primary); }

.header-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-muted);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
}

.header-nav a:hover,
.header-nav a.active { color: var(--color-white); }

.header-cta {
  background: var(--color-primary);
  color: var(--color-white) !important;
  padding: 10px 20px !important;
  border-radius: var(--radius-sm);
  font-weight: 600 !important;
}

.header-cta:hover { background: #c2270f; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 6px;
  cursor: pointer;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
}

.page-hero {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 56px 0;
}

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

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: 16px;
}

.breadcrumb a { color: var(--color-primary); }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb span { color: var(--color-muted); }

.page-title {
  font-size: clamp(28px, 4vw, 46px);
  font-weight: 900;
  color: var(--color-white);
  letter-spacing: -0.5px;
  line-height: 1.15;
  margin-bottom: 12px;
}

.page-subtitle {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.7;
  max-width: 580px;
}

.about-section {
  padding: 72px 0;
  border-bottom: 1px solid var(--color-border);
}

.about-section:last-of-type { border-bottom: none; }

.about-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-grid-2.reverse { direction: rtl; }
.about-grid-2.reverse > * { direction: ltr; }

.about-text h2 {
  font-size: clamp(22px, 2.5vw, 32px);
  font-weight: 900;
  color: var(--color-white);
  margin-bottom: 16px;
  line-height: 1.2;
  letter-spacing: -0.3px;
}

.about-text p {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.75;
  margin-bottom: 14px;
}

.about-text p:last-child { margin-bottom: 0; }

.about-image {
  width: 100%;
  height: 340px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--color-muted);
}

.about-image svg { width: 48px; height: 48px; opacity: 0.25; }
.about-image p { font-size: 13px; }

.about-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 12px;
}

.value-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
}

.value-icon {
  width: 44px;
  height: 44px;
  background: rgba(230,48,18,0.12);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.value-icon svg { width: 22px; height: 22px; }
.value-card h3 { font-size: 15px; font-weight: 700; color: var(--color-white); margin-bottom: 8px; }
.value-card p { font-size: 13px; color: var(--color-muted); line-height: 1.6; }

.policy-body {
  padding: 72px 0;
}

.policy-content {
  max-width: 760px;
}

.policy-placeholder {
  min-height: 300px;
  background: var(--color-surface);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
  font-size: 14px;
  padding: 48px;
  text-align: center;
}

.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 56px 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand { display: flex; flex-direction: column; gap: 16px; }

.footer-logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-logo { width: 36px; height: 36px; }

.footer-brand-name {
  font-size: 18px;
  font-weight: 900;
  color: var(--color-white);
}

.footer-brand-name span { color: var(--color-primary); }

.footer-tagline {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.6;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 16px;
}

.footer-col ul { display: flex; flex-direction: column; gap: 10px; }

.footer-col ul li a {
  font-size: 14px;
  color: var(--color-text);
  opacity: 0.7;
}

.footer-col ul li a:hover { color: var(--color-primary); opacity: 1; }

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copy { font-size: 13px; color: var(--color-muted); }

.footer-links { display: flex; gap: 20px; }

.footer-links a { font-size: 13px; color: var(--color-muted); }
.footer-links a:hover { color: var(--color-primary); }

.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--color-dark);
  z-index: 200;
  flex-direction: column;
  padding: 24px;
}

.mobile-nav.open { display: flex; }

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
}

.mobile-close {
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
}

.mobile-nav-links { display: flex; flex-direction: column; gap: 4px; }

.mobile-nav-links a {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text);
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav-links a:hover { color: var(--color-primary); }

@media (max-width: 1024px) {
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
  .about-values { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .header-nav { display: none; }
  .hamburger { display: flex; }
  .about-grid-2 { grid-template-columns: 1fr; gap: 36px; direction: ltr; }
  .about-values { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}