/* ── Reset ─────────────────────────────────────────────────── */
* { box-sizing: border-box; margin: 0; padding: 0; }
body { background: #efe7dc; font-family: "Zen Kaku Gothic New", sans-serif; color: #3f332e; }
a { color: #e5734e; text-decoration: none; }
a:hover { color: #c9542c; }

/* ── Page ──────────────────────────────────────────────────── */
.page { width: 1080px; margin: 0 auto; background: #fbf5ec; min-height: 100vh; }

/* ── Section Label ─────────────────────────────────────────── */
.section-label {
  font-family: "Zen Maru Gothic", sans-serif;
  font-weight: 900;
  font-size: 15px;
  letter-spacing: 0.24em;
  color: #e5734e;
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn-primary {
  background: #e5734e;
  color: #fff;
  font-family: "Zen Maru Gothic", sans-serif;
  font-weight: 700;
  font-size: 16px;
  padding: 16px 30px;
  border-radius: 99px;
  transition: background 0.15s;
  display: inline-block;
}
.btn-primary:hover { background: #c9542c; color: #fff; }
.btn-secondary {
  background: #fff;
  color: #3f332e;
  border: 2px solid #ead9c6;
  font-family: "Zen Maru Gothic", sans-serif;
  font-weight: 700;
  font-size: 16px;
  padding: 14px 28px;
  border-radius: 99px;
  transition: border-color 0.15s, background 0.15s;
  display: inline-block;
}
.btn-secondary:hover { border-color: #e5734e; color: #e5734e; }

/* ── NAV ───────────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 56px;
  background: rgba(251, 245, 236, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #efe0ce;
}
.nav-logo {
  font-family: "Zen Maru Gothic", sans-serif;
  font-weight: 900;
  font-size: 22px;
  color: #3f332e;
}
.nav-links {
  display: flex;
  gap: 26px;
  font-family: "Zen Maru Gothic", sans-serif;
  font-weight: 700;
  font-size: 14px;
  align-items: center;
}
.nav-links a { color: #6b5b52; transition: color 0.15s; }
.nav-links a:hover { color: #e5734e; }
.nav-links a.active { color: #e5734e; }
.nav-links a.btn {
  background: #e5734e;
  color: #fff;
  padding: 8px 18px;
  border-radius: 99px;
  transition: background 0.15s;
}
.nav-links a.btn:hover { background: #c9542c; color: #fff; }
.nav-links a.btn.active { background: #c9542c; }

/* ── Hamburger ─────────────────────────────────────────────── */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: #3f332e;
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
  transform-origin: center;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Mobile Menu ───────────────────────────────────────────── */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 39;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  background: rgba(251, 245, 236, 0.97);
  backdrop-filter: blur(12px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
}
.mobile-menu.open { opacity: 1; pointer-events: auto; }
.mobile-menu a {
  font-family: "Zen Maru Gothic", sans-serif;
  font-weight: 700;
  font-size: 24px;
  color: #3f332e;
}
.mobile-menu a.btn {
  background: #e5734e;
  color: #fff;
  padding: 14px 40px;
  border-radius: 99px;
  font-size: 18px;
}

/* ── Footer ────────────────────────────────────────────────── */
.footer {
  text-align: center;
  font-size: 13px;
  color: #a88e6e;
  padding: 32px 0 40px;
}

/* ── Page Header (sub pages) ───────────────────────────────── */
.page-header {
  padding: 48px 72px 32px;
  background: radial-gradient(120% 90% at 100% 0%, #fbe3d2 0%, #fbf5ec 55%);
}
.page-header-title {
  font-family: "Zen Maru Gothic", sans-serif;
  font-weight: 900;
  font-size: 42px;
  margin-top: 12px;
  letter-spacing: 0.02em;
}
.page-header-sub {
  font-size: 15px;
  color: #a88e6e;
  margin-top: 8px;
}

/* ── Fade-in on scroll ─────────────────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── RESPONSIVE ────────────────────────────────────────────── */
@media (max-width: 680px) {
  .page { width: 100%; }

  .nav { padding: 14px 20px; }
  .nav-links a { display: none; }
  .hamburger { display: flex; }
  .mobile-menu { display: flex; }

  .page-header { padding: 32px 20px 24px; }
  .page-header-title { font-size: 28px; }
}