/* yuu.studio — shared styles */
:root {
  --paper: #fbf7f3;
  --paper-soft: #f5efe6;
  --ink: #2a2420;
  --ink-soft: #6b625b;
  --muted: #a09890;
  --line: #e6ddd0;
  --pink: #f7b8c9;
  --pink-deep: #e08aa0;
  --pink-soft: #fce4ec;
  --blue: #cfe4ee;
  --cream: #fde8d0;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
  background: var(--paper);
  color: var(--ink);
  font-family: 'Quicksand', 'Zen Maru Gothic', sans-serif;
  -webkit-font-smoothing: antialiased;
}
body { overflow-x: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

.jp { font-family: 'Zen Maru Gothic', sans-serif; }
.mono { font-family: 'Quicksand', monospace; letter-spacing: 0.12em; text-transform: uppercase; font-size: 11px; color: var(--muted); font-weight: 500; }

/* ─── NAV ─── */
.nav-wrap {
  position: fixed; top: 0; left: 0; right: 0;
  padding: 20px 24px; z-index: 100;
  display: flex; justify-content: space-between; align-items: center;
  pointer-events: none;
}
.nav-wrap > * { pointer-events: auto; }
.brand {
  font-family: 'Zen Maru Gothic', sans-serif;
  font-weight: 900; font-size: 20px; letter-spacing: -0.02em;
  color: var(--ink);
  display: flex; align-items: center; gap: 8px;
}
.brand.on-dark { color: #fff; text-shadow: 0 2px 12px rgba(0,0,0,0.35), 0 1px 3px rgba(0,0,0,0.4); }
.brand .mark {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--pink); border: 2px solid #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  display: inline-block;
}
.nav-pill {
  background: rgba(251, 247, 243, 0.92);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(42,36,32,0.08);
  border-radius: 999px;
  padding: 10px 8px 10px 22px;
  display: flex; align-items: center; gap: 20px;
  box-shadow: 0 4px 24px rgba(42,36,32,0.08);
}
.nav-pill a {
  font-family: 'Quicksand', sans-serif;
  font-weight: 500; font-size: 13px;
  color: var(--ink-soft);
  transition: color 0.2s;
  position: relative;
}
.nav-pill a:hover { color: var(--ink); }
.nav-pill a.active { color: var(--ink); font-weight: 600; }
.nav-pill a.active::after {
  content: ''; position: absolute;
  left: 0; right: 0; bottom: -4px;
  height: 3px; border-radius: 2px;
  background: var(--pink);
}
.nav-pill .sub {
  font-family: 'Zen Maru Gothic', sans-serif;
  font-size: 10px; display: block; color: var(--muted); font-weight: 400;
  margin-top: -1px;
}
.nav-lang {
  font-size: 11px; color: var(--muted); font-weight: 600;
  padding-left: 16px; border-left: 1px solid var(--line);
}
.nav-lang b { color: var(--ink); }
.nav-cta {
  background: var(--ink); color: var(--paper);
  padding: 8px 16px; border-radius: 999px;
  font-size: 12px; font-weight: 600;
  display: flex; align-items: center; gap: 6px;
}
.nav-cta .arr { transition: transform 0.2s; display: inline-block; }
.nav-cta:hover .arr { transform: translateX(3px); }
.menu-btn {
  display: none;
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(251,247,243,0.92); backdrop-filter: blur(12px);
  border: 1px solid rgba(42,36,32,0.08);
  align-items: center; justify-content: center;
  box-shadow: 0 4px 24px rgba(42,36,32,0.08);
  cursor: pointer;
}
.menu-btn span { display: block; width: 18px; height: 2px; background: var(--ink); position: relative; }
.menu-btn span::before, .menu-btn span::after { content: ''; position: absolute; left: 0; width: 18px; height: 2px; background: var(--ink); }
.menu-btn span::before { top: -6px; }
.menu-btn span::after { top: 6px; }

/* Mobile drawer */
.mobile-menu {
  display: none;
  position: fixed; inset: 0; z-index: 200;
  background: rgba(42,36,32,0.5);
  backdrop-filter: blur(4px);
}
.mobile-menu.open { display: flex; align-items: flex-start; justify-content: flex-end; }
.mobile-menu-inner {
  background: var(--paper);
  width: 260px; height: 100%;
  padding: 80px 32px 40px;
  display: flex; flex-direction: column; gap: 8px;
}
.mobile-menu-inner a {
  font-family: 'Zen Maru Gothic', sans-serif;
  font-size: 18px; font-weight: 700;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  display: flex; justify-content: space-between; align-items: center;
}
.mobile-menu-inner a span { font-size: 12px; color: var(--muted); font-weight: 400; }
.mobile-close {
  position: absolute; top: 20px; right: 20px;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--paper-soft);
  border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; cursor: pointer;
}

/* ─── PAGE HEADER ─── */
.page-head {
  padding: 140px 64px 60px;
  max-width: 1280px; margin: 0 auto;
}
.page-crumbs {
  font-family: 'Quicksand', monospace;
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--muted); font-weight: 600;
  margin-bottom: 14px;
}
.page-crumbs a { color: var(--muted); }
.page-crumbs a:hover { color: var(--ink); }
.page-crumbs .sep { margin: 0 10px; opacity: 0.5; }
.page-title {
  font-family: 'Zen Maru Gothic', sans-serif;
  font-weight: 900;
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.12; letter-spacing: -0.02em;
}
.page-title .accent { color: var(--pink-deep); position: relative; display: inline-block; z-index: 0; }
.page-title .accent::after {
  content: ''; position: absolute;
  left: -2px; right: -2px; bottom: 6px; height: 12px;
  background: var(--pink); opacity: 0.35; z-index: -1;
  border-radius: 4px;
}
.page-sub {
  font-family: 'Zen Maru Gothic', sans-serif;
  font-size: 15px; color: var(--ink-soft);
  margin-top: 24px; max-width: 560px; line-height: 1.8;
}

/* ─── BUTTONS ─── */
.btn-primary {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 24px; border-radius: 999px;
  background: var(--ink); color: var(--paper);
  font-family: 'Quicksand', sans-serif; font-weight: 600; font-size: 14px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(42,36,32,0.15); }
.btn-primary .arr {
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--pink); color: var(--ink);
  display: inline-flex; align-items: center; justify-content: center; font-size: 12px;
}
.btn-outline {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 24px; border-radius: 999px;
  border: 1.5px solid var(--ink); color: var(--ink);
  font-family: 'Quicksand', sans-serif; font-weight: 600; font-size: 14px;
  transition: all 0.25s; background: transparent; cursor: pointer;
}
.btn-outline:hover { background: var(--ink); color: var(--paper); }

/* ─── FOOTER ─── */
footer {
  background: var(--ink); color: var(--paper);
  padding: 60px 64px 32px;
}
.foot-top {
  max-width: 1280px; margin: 0 auto;
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px; border-bottom: 1px solid rgba(251,247,243,0.15);
}
.foot-brand { font-family: 'Zen Maru Gothic', sans-serif; font-weight: 900; font-size: 28px; letter-spacing: -0.02em; margin-bottom: 10px; }
.foot-brand .dot { color: var(--pink); }
.foot-tag { font-family: 'Zen Maru Gothic', sans-serif; font-size: 13px; line-height: 1.7; opacity: 0.75; max-width: 280px; }
.foot-col h4 { font-family: 'Quicksand', monospace; font-size: 11px; letter-spacing: 0.15em; text-transform: uppercase; font-weight: 600; color: var(--pink); margin-bottom: 14px; }
.foot-col a { display: block; font-family: 'Zen Maru Gothic', sans-serif; font-size: 13px; padding: 4px 0; opacity: 0.8; transition: opacity 0.2s; }
.foot-col a:hover { opacity: 1; }
.foot-bottom {
  max-width: 1280px; margin: 0 auto;
  padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center;
  font-family: 'Quicksand', monospace; font-size: 10px;
  letter-spacing: 0.12em; text-transform: uppercase; opacity: 0.55;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 880px) {
  .nav-wrap { padding: 14px 16px; }
  .brand { font-size: 16px; }
  .brand .mark { width: 22px; height: 22px; border-width: 1.5px; }
  .nav-pill, .nav-cta { display: none; }
  .menu-btn { display: inline-flex; }

  .page-head { padding: 88px 20px 32px; }
  .page-title { font-size: 40px; }
  .page-sub { font-size: 13px; }

  footer { padding: 40px 20px 24px; }
  .foot-top { grid-template-columns: 1fr 1fr; gap: 28px; }
  .foot-brand { font-size: 22px; }
  .foot-bottom { flex-direction: column; gap: 10px; align-items: flex-start; }
}
@media (min-width: 881px) and (max-width: 1100px) {
  .page-head { padding: 130px 40px 48px; }
  footer { padding: 50px 40px 28px; }
}
