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

:root {
  --navy: #0A1628;
  --navy2: #0D1E35;
  --gold: #C9A84C;
  --gold-light: #DDB85E;
  --white: #FFFFFF;
  --off-white: #F6F5F1;
  --black: #0E0E0E;
  --gray: #E8E7E3;
  --text-sub: #555555;
}

html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans JP', 'Inter', sans-serif;
  color: var(--black);
  background: var(--white);
  overflow-x: hidden;
  font-weight: 400;
}

/* ─── HEADER ─── */
header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000;
  height: 68px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 64px;
  background: rgba(10,22,40,0.97);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(201,168,76,0.12);
  transition: height 0.3s;
}

.logo { text-decoration: none; line-height: 1; }
.logo-main {
  font-family: 'Inter', sans-serif;
  font-size: 15px; font-weight: 800;
  letter-spacing: 0.12em; color: #fff;
}
.logo-sub {
  font-size: 9px; font-weight: 300;
  letter-spacing: 0.28em; color: var(--gold);
  margin-top: 4px; display: block;
}

nav { display: flex; align-items: center; gap: 32px; }
nav a {
  font-family: 'Inter', sans-serif;
  font-size: 10px; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: rgba(255,255,255,0.65);
  text-decoration: none; transition: color 0.2s;
}
nav a:hover, nav a.active { color: #fff; }
nav a.btn-nav {
  background: var(--gold); color: var(--navy);
  padding: 7px 18px; border-radius: 2px; font-weight: 700;
}
nav a.btn-nav:hover { background: var(--gold-light); color: var(--navy); }

/* ヘッダー内のロゴサブテキストは非表示（重複防止） */
header .logo-sub { display: none; }

/* HAMBURGER */
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; padding: 4px; background: none; border: none;
}
.hamburger span { display: block; width: 22px; height: 1.5px; background: #fff; }

/* MOBILE NAV */
.mobile-nav {
  position: fixed; inset: 0;
  background: var(--navy);
  z-index: 999;
  flex-direction: column;
  align-items: flex-start; justify-content: center;
  padding: 80px 48px; gap: 28px;
  display: none;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  font-family: 'Inter', sans-serif;
  font-size: 32px; font-weight: 900;
  color: rgba(255,255,255,0.6); text-decoration: none;
  letter-spacing: -0.02em; transition: color 0.2s;
}
.mobile-nav a:hover { color: var(--gold); }
.mobile-nav-close {
  position: absolute; top: 24px; right: 32px;
  font-size: 22px; color: rgba(255,255,255,0.4);
  cursor: pointer; background: none; border: none;
  font-family: inherit;
}

/* ─── PAGE HERO ─── */
.page-hero {
  background: var(--navy);
  height: 380px;
  display: flex; align-items: flex-end;
  padding: 0 80px 64px;
  position: relative;
  overflow: hidden;
  margin-top: 68px;
}
.page-hero-ghost {
  position: absolute;
  right: 40px; bottom: -24px;
  font-family: 'Inter', sans-serif;
  font-size: min(30vw, 320px); font-weight: 900;
  color: rgba(255,255,255,0.06);
  letter-spacing: -0.06em; line-height: 1;
  pointer-events: none; user-select: none;
}
.page-hero-eyebrow {
  display: flex; align-items: center; gap: 12px;
  font-family: 'Inter', sans-serif;
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 16px;
}
.page-hero-eyebrow::before { content: ''; width: 28px; height: 1px; background: var(--gold); }
.page-hero-title {
  font-family: 'Inter', sans-serif;
  font-size: clamp(56px, 9vw, 112px); font-weight: 900;
  color: #fff; line-height: 0.95; letter-spacing: -0.04em;
}

/* ─── LAYOUT ─── */
.wrap { max-width: 1400px; margin: 0 auto; padding: 0 80px; }

section.block { padding: 96px 0; }
section.block.bg-off { background: var(--off-white); }
section.block.bg-navy { background: var(--navy); }

/* ─── TYPOGRAPHY ─── */
.eyebrow {
  display: flex; align-items: center; gap: 12px;
  font-family: 'Inter', sans-serif;
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 20px;
}
.eyebrow::before { content: ''; width: 28px; height: 1px; background: var(--gold); }
.eyebrow.on-navy { color: rgba(255,255,255,0.6); }
.eyebrow.on-navy::before { background: rgba(255,255,255,0.35); }
.eyebrow.center { justify-content: center; }
.eyebrow.center::before { display: none; }

h2.big {
  font-family: 'Noto Sans JP', 'Inter', sans-serif;
  font-size: clamp(48px, 7vw, 96px); font-weight: 900;
  line-height: 1.0; letter-spacing: -0.04em; color: var(--black);
}
h2.big.white { color: #fff; }

h2.med {
  font-family: 'Noto Sans JP', 'Inter', sans-serif;
  font-size: clamp(32px, 4.5vw, 60px); font-weight: 900;
  line-height: 1.1; letter-spacing: -0.03em; color: var(--black);
}
h2.med.white { color: #fff; }

p.lead {
  font-size: 17px; line-height: 2.0;
  color: var(--text-sub); max-width: 560px;
  margin-top: 24px;
}
p.lead.white { color: rgba(255,255,255,0.72); }

/* ─── BUTTONS ─── */
a.btn, button.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: 'Inter', sans-serif;
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase;
  text-decoration: none; transition: all 0.25s;
  border: none; cursor: pointer;
}
a.btn-gold, button.btn-gold {
  background: var(--gold); color: var(--navy);
  padding: 16px 36px; border-radius: 2px;
}
a.btn-gold:hover, button.btn-gold:hover { background: var(--gold-light); }

a.btn-outline-w {
  border: 1px solid rgba(255,255,255,0.3); color: #fff;
  padding: 16px 36px; border-radius: 2px;
}
a.btn-outline-w:hover { border-color: rgba(255,255,255,0.8); }

a.btn-outline-dark {
  border: 1px solid var(--gray); color: var(--black);
  padding: 16px 36px; border-radius: 2px;
}
a.btn-outline-dark:hover { border-color: var(--black); }

a.link-arrow {
  font-family: 'Inter', sans-serif;
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--gold); text-decoration: none;
  display: inline-flex; align-items: center; gap: 8px;
  transition: gap 0.25s;
}
a.link-arrow:hover { gap: 16px; }
a.link-arrow.white { color: rgba(255,255,255,0.7); }

/* ─── FOOTER ─── */
footer { background: var(--navy); padding: 80px 0 40px; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px; margin-bottom: 60px;
}
.footer-brand p {
  font-size: 13px; line-height: 1.9;
  color: rgba(255,255,255,0.45); margin-top: 20px; max-width: 240px;
}
.fc h4 {
  font-family: 'Inter', sans-serif;
  font-size: 10px; font-weight: 700;
  letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 24px;
}
.fc ul { list-style: none; display: flex; flex-direction: column; gap: 14px; }
.fc ul li a {
  font-size: 13px; font-weight: 400; color: rgba(255,255,255,0.55); text-decoration: none; transition: color 0.2s;
}
.fc ul li a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.07);
  padding-top: 32px;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px;
}
.footer-bottom p { font-size: 12px; font-weight: 400; color: rgba(255,255,255,0.18); }
.footer-links-bottom { display: flex; gap: 28px; }
.footer-links-bottom a { font-size: 12px; font-weight: 400; color: rgba(255,255,255,0.18); text-decoration: none; transition: color 0.2s; }
.footer-links-bottom a:hover { color: rgba(255,255,255,0.6); }

/* ─── REVEAL ANIMATION ─── */
.r { opacity: 0; transform: translateY(28px); transition: opacity 0.75s ease, transform 0.75s ease; }
.r.visible { opacity: 1; transform: none; }
.r.d1 { transition-delay: 0.1s; }
.r.d2 { transition-delay: 0.2s; }
.r.d3 { transition-delay: 0.3s; }
.r.d4 { transition-delay: 0.4s; }

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}
@media (max-width: 960px) {
  header { padding: 0 24px; }
  nav { display: none; }
  .hamburger { display: flex; }
  .page-hero { height: 260px; padding: 0 24px 48px; }
  .wrap { padding: 0 24px; }
  section.block { padding: 72px 0; }
  footer { padding: 56px 0 32px; }
}
@media (max-width: 600px) {
  /* Typography */
  h2.big { font-size: clamp(36px, 9vw, 64px); }
  h2.med { font-size: clamp(26px, 7vw, 44px); }
  p.lead { font-size: 15px; }

  /* Layout */
  .page-hero { height: 220px; padding: 0 20px 40px; }
  .page-hero-title { font-size: clamp(36px, 12vw, 64px); }
  .page-hero-ghost { font-size: min(50vw, 160px); right: 8px; }
  .page-hero-eyebrow { font-size: 10px; }
  section.block { padding: 52px 0; }
  .wrap { padding: 0 20px; }

  /* Footer */
  footer { padding: 48px 0 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .footer-brand p { max-width: 100%; }
  .fc ul { gap: 10px; }

  /* Buttons */
  a.btn-gold, button.btn-gold,
  a.btn-outline-w, a.btn-outline-dark { padding: 14px 28px; font-size: 10px; }
}