/* vecton — shared styles */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&family=Noto+Sans+JP:wght@300;400;500&display=swap');

:root {
  --bg:       #fafaf8;
  --bg-alt:   #f4f3f0;
  --ink:      #1a1a2e;
  --ink-mid:  #4a4a5a;
  --ink-soft: #9a9aaa;
  --border:   #e4e4e0;
  --nav-h:    68px;
  --font-jp:  'Noto Sans JP', sans-serif;
  --font-en:  'DM Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-jp);
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  line-height: 1.7;
}

/* ── NAV ─────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 48px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s;
}
.nav.scrolled { box-shadow: 0 1px 24px rgba(26,26,46,0.06); }

.nav-logo {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; color: var(--ink);
}
.nav-logo-svg {
  height: 44px; width: auto; display: block;
}

.nav-links {
  display: flex; align-items: center; gap: 36px; list-style: none;
}
.nav-links a {
  font-family: var(--font-jp); font-size: 13px; font-weight: 400;
  color: var(--ink-mid); text-decoration: none; letter-spacing: 0.02em;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { color: var(--ink); }
.nav-cta {
  display: inline-flex; align-items: center;
  background: var(--ink); color: #fff !important;
  padding: 9px 22px; font-size: 13px !important;
  letter-spacing: 0.04em; transition: opacity 0.2s !important;
}
.nav-cta:hover { opacity: 0.78 !important; }

/* ── FOOTER ──────────────────────── */
footer {
  background: var(--ink);
  color: rgba(255,255,255,0.5);
  padding: 48px;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 24px;
}
.footer-logo {
  display: flex; align-items: center; gap: 10px;
}
.footer-logo svg path, .footer-logo svg circle { stroke: rgba(255,255,255,0.7); }
.footer-wordmark {
  font-family: var(--font-en); font-size: 14px; font-weight: 300;
  letter-spacing: 0.35em; color: rgba(255,255,255,0.7);
}
.footer-links {
  display: flex; gap: 28px; list-style: none; flex-wrap: wrap;
}
.footer-links a {
  font-size: 12px; color: rgba(255,255,255,0.4);
  text-decoration: none; transition: color 0.2s;
}
.footer-links a:hover { color: rgba(255,255,255,0.8); }
.footer-copy {
  font-family: var(--font-en); font-size: 11px;
  color: rgba(255,255,255,0.25); letter-spacing: 0.02em;
  width: 100%;
}

/* ── SECTION COMMON ──────────────── */
.section { padding: 120px 48px; }
.section-inner { max-width: 1120px; margin: 0 auto; }

.section-eyebrow {
  font-family: var(--font-en); font-size: 11px; font-weight: 400;
  letter-spacing: 0.25em; color: var(--ink-soft);
  text-transform: uppercase; margin-bottom: 18px;
  display: flex; align-items: center; gap: 12px;
}
.section-eyebrow::before {
  content: ''; display: block;
  width: 24px; height: 1px; background: var(--ink-soft);
}

.section-title {
  font-family: var(--font-jp); font-size: clamp(28px, 4vw, 42px);
  font-weight: 500; line-height: 1.25; letter-spacing: -0.01em;
  color: var(--ink);
}
.section-title-en {
  font-family: var(--font-en); font-size: clamp(28px, 4vw, 42px);
  font-weight: 300; letter-spacing: -0.01em;
}

/* ── BTN ──────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-jp); font-size: 13px; font-weight: 400;
  letter-spacing: 0.04em; text-decoration: none;
  transition: all 0.22s;
  cursor: pointer;
}
.btn-primary {
  background: var(--ink); color: #fff;
  padding: 14px 32px;
}
.btn-primary:hover { opacity: 0.78; }
.btn-outline {
  border: 1px solid var(--border); color: var(--ink-mid);
  padding: 13px 28px;
}
.btn-outline:hover { border-color: var(--ink); color: var(--ink); }
.btn-arrow::after { content: '→'; font-family: var(--font-en); font-weight: 300; }

/* ── PAGE HERO (inner pages) ─────── */
.page-hero {
  padding: calc(var(--nav-h) + 80px) 48px 80px;
  border-bottom: 1px solid var(--border);
}
.page-hero-inner { max-width: 1120px; margin: 0 auto; }
.page-hero-eyebrow {
  font-family: var(--font-en); font-size: 11px; font-weight: 400;
  letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--ink-soft); margin-bottom: 24px;
}
.page-hero-title {
  font-family: var(--font-jp); font-size: clamp(32px, 5vw, 56px);
  font-weight: 500; line-height: 1.15; letter-spacing: -0.02em;
}

/* ── CTA BAND ────────────────────── */
.cta-band {
  background: var(--ink); padding: 100px 48px;
}
.cta-inner {
  max-width: 1120px; margin: 0 auto;
  display: flex; flex-direction: column; align-items: center;
  text-align: center; gap: 28px;
}
.cta-title {
  font-family: var(--font-jp); font-size: clamp(24px, 3.5vw, 40px);
  font-weight: 500; color: #fff; line-height: 1.3;
}
.cta-sub {
  font-size: 14px; font-weight: 300; color: rgba(255,255,255,0.55);
  max-width: 480px; line-height: 1.8;
}
.btn-cta-white {
  background: #fff; color: var(--ink);
  padding: 15px 40px; font-size: 14px;
  display: inline-flex; align-items: center; gap: 8px;
  text-decoration: none; font-family: var(--font-jp); font-weight: 400;
  transition: opacity 0.2s;
}
.btn-cta-white:hover { opacity: 0.85; }

/* Utility */
.divider { border: none; border-top: 1px solid var(--border); }