/* ================================================================
   BE CERA — Shared site styles (Minimal theme)
================================================================ */
:root {
  --bg:              oklch(0.985 0.006 80);
  --bg-alt:          oklch(0.965 0.012 75);
  --bg-deep:         oklch(0.928 0.018 70);
  --ink:             oklch(0.21 0 0);
  --ink-soft:        oklch(0.42 0.012 60);
  --ink-mute:        oklch(0.58 0.010 60);
  --body-text:       #000;
  --btob-bg:         oklch(0.91 0.02 60.1);
  --line:            oklch(0.88 0.012 70);
  --accent:          oklch(0.73 0.09 35.42);
  --accent-soft:     oklch(0.86 0.030 35);

  --serif-en:  "Cormorant Garamond", "Times New Roman", serif;
  --serif-jp:  "Shippori Mincho", "Noto Serif JP", "YuMincho", serif;
  --sans-jp:   "Zen Kaku Gothic New", "Noto Sans JP", system-ui, sans-serif;

  --maxw: 1280px;
  --gutter: clamp(20px, 4vw, 64px);
  --ease: cubic-bezier(.2,.7,.2,1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans-jp);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  width: 100%;
  position: relative;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
h1 {
  font-family: var(--serif-en);
  font-size: clamp(48px, 6vw, 88px);
  font-weight: 300;
  line-height: 1.3;
  letter-spacing: 0.04em;
  color: var(--ink);
  text-wrap: pretty;
}
h2 {
  font-family: var(--serif-jp);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: 0.06em;
  color: var(--ink);
  text-wrap: pretty;
}
h3 {
  font-family: var(--serif-jp);
  font-size: 20px;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.06em;
  color: var(--ink);
}
p {
  font-family: var(--sans-jp);
  font-size: 15px;
  line-height: 2.1;
  letter-spacing: 0.05em;
  color: var(--body-text);
  text-wrap: pretty;
}

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

/* ---- Typography atoms ---- */
.eyebrow {
  font-family: var(--serif-en);
  font-size: 18px;
  letter-spacing: 0.1em;
  text-transform: none;
  color: var(--ink);
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 32px; height: 1px;
  background: var(--ink-mute);
  vertical-align: middle;
  margin-right: 14px;
  transform: translateY(-2px);
}

.section-title {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: clamp(26px, 3.2vw, 40px);
  letter-spacing: 0.06em;
  line-height: 1.5;
  color: var(--ink);
}
.section-title-en {
  font-family: var(--serif-jp);
  font-weight: 400;
  font-size: clamp(28px, 3.4vw, 32px);
  letter-spacing: 0.06em;
  line-height: 1.6;
  color: var(--ink);
}
.section-headline-en {
  font-family: var(--serif-en);
  font-weight: 300;
  font-size: clamp(48px, 6vw, 88px);
  line-height: 1;
  letter-spacing: 0.04em;
  margin-bottom: 24px;
  color: var(--ink);
}
.section-headline-en em { font-style: italic; font-weight: 400; color: var(--accent); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  font-family: var(--serif-en);
  letter-spacing: 0.18em;
  font-size: 13px;
  padding: 18px 36px;
  border: 1px solid var(--ink);
  color: var(--ink);
  text-transform: none;
  transition: all .5s var(--ease);
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: "";
  position: absolute; inset: 0;
  background: oklch(0.73 0.09 35.42);
  transform: translateY(101%);
  transition: transform .5s var(--ease);
}
.btn > * { position: relative; z-index: 1; }
.btn:hover { color: var(--bg); }
.btn:hover::before { transform: translateY(0); }

.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--serif-en);
  font-size: 15px;
  color: var(--ink);
  padding-bottom: 4px;
  border-bottom: 1px solid var(--ink);
  transition: gap .4s var(--ease);
}
.btn-link:hover { gap: 22px; }
.btn-link .arrow { width: 20px; height: 1px; background: currentColor; position: relative; }
.btn-link .arrow::after {
  content: ""; position: absolute; right: 0; top: 50%;
  width: 8px; height: 1px; background: currentColor;
  transform: translateY(-50%) rotate(30deg); transform-origin: right;
}

/* ================================================================
   Header
================================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 250;
  padding: 22px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background .5s var(--ease), padding .5s var(--ease);
}
.site-header.is-scrolled {
  background: color-mix(in oklab, var(--bg) 82%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid color-mix(in oklab, var(--line) 60%, transparent);
  padding: 14px var(--gutter);
}
.logo-mark {
  display: inline-block;
  line-height: 0;
}
.logo-mark img {
  height: 26px;
  width: auto;
  display: block;
}
.logo-mark img.logo-mark__white { display: none; }
.logo-mark img.logo-mark__dark  { display: block; }
.site-header.on-hero:not(.is-scrolled) .logo-mark img.logo-mark__dark  { display: none; }
.site-header.on-hero:not(.is-scrolled) .logo-mark img.logo-mark__white { display: block; }
.site-header.on-hero:not(.is-scrolled) .site-nav a,
.site-header.on-hero:not(.is-scrolled) .header-cta,
.site-header.on-hero:not(.is-scrolled) .nav-toggle {
  color: #fff;
}
.site-header.on-hero:not(.is-scrolled) .header-cta { border-color: rgba(255,255,255,.6); }

/* ================================================================
   Hamburger / Drawer
================================================================ */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 300;
  position: relative;
  color: var(--ink);
  flex-shrink: 0;
  margin-left: auto;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
.nav-toggle span { pointer-events: none; }
.nav-toggle span {
  display: block;
  width: 100%;
  height: 1px;
  background: currentColor;
  transition: transform .35s var(--ease), opacity .25s var(--ease);
  transform-origin: center;
}
.site-header .nav-toggle.is-open,
.site-header.on-hero:not(.is-scrolled) .nav-toggle.is-open { color: var(--ink); }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-drawer {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px var(--gutter) 60px;
  transform: translateX(100%);
  transition: transform .5s cubic-bezier(.76,0,.24,1);
  pointer-events: none;
}
.nav-drawer.is-open {
  transform: translateX(0);
  pointer-events: auto;
}
.nav-drawer__nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 40px;
}
.nav-drawer__nav a {
  font-family: var(--serif-jp);
  font-size: clamp(22px, 6vw, 32px);
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--ink);
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  opacity: 0;
  transform: translateX(20px);
  transition: opacity .4s var(--ease), transform .4s var(--ease), color .25s var(--ease);
}
.nav-drawer.is-open .nav-drawer__nav a {
  opacity: 1;
  transform: translateX(0);
}
.nav-drawer.is-open .nav-drawer__nav a:nth-child(1) { transition-delay: .10s; }
.nav-drawer.is-open .nav-drawer__nav a:nth-child(2) { transition-delay: .15s; }
.nav-drawer.is-open .nav-drawer__nav a:nth-child(3) { transition-delay: .20s; }
.nav-drawer.is-open .nav-drawer__nav a:nth-child(4) { transition-delay: .25s; }
.nav-drawer.is-open .nav-drawer__nav a:nth-child(5) { transition-delay: .30s; }
.nav-drawer.is-open .nav-drawer__nav a:nth-child(6) { transition-delay: .35s; }
.nav-drawer.is-open .nav-drawer__nav a:nth-child(7) { transition-delay: .40s; }
.nav-drawer__nav a:hover { color: var(--accent); }
.nav-drawer__cta {
  display: inline-block;
  font-family: var(--serif-en);
  font-size: 22px;
  letter-spacing: 0.05em;
  color: var(--ink);
  padding: 10px 18px;
  border: 1px solid var(--ink);
  text-transform: none;
  opacity: 0;
  transition: opacity .4s .45s var(--ease), background-color .4s var(--ease), border-color .4s var(--ease), color .4s var(--ease);
}
.nav-drawer.is-open .nav-drawer__cta { opacity: 1; }
.nav-drawer__cta:hover { background-color: oklch(0.73 0.09 35.42); color: var(--bg); border-color: oklch(0.73 0.09 35.42); }

.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 199;
  background: rgba(0,0,0,.3);
  opacity: 0;
  pointer-events: none;
  transition: opacity .4s var(--ease);
}
.nav-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.site-nav { display: flex; align-items: center; gap: 36px; }
.site-nav a {
  font-size: 12.5px;
  letter-spacing: 0.14em;
  font-weight: 500;
  color: var(--ink);
  position: relative;
  padding: 4px 0;
  transition: color .3s var(--ease);
}
.site-nav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0;
  height: 1px; background: currentColor;
  transform: scaleX(0); transform-origin: right;
  transition: transform .4s var(--ease);
}
.site-nav a:hover::after { transform: scaleX(1); transform-origin: left; }

/* Language switcher */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 5px;
  font-family: var(--serif-en);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  padding-left: 12px;
  line-height: 1;
}
.lang-switch__active {
  color: var(--ink);
  font-weight: 600;
}
.lang-switch__sep { color: var(--line); }
.lang-switch__link {
  color: var(--ink-mute);
  transition: color .3s var(--ease);
}
.lang-switch__link:hover { color: var(--ink); }
.lang-switch__link::after { display: none !important; }
.site-header.on-hero:not(.is-scrolled) .lang-switch {
  border-color: rgba(255,255,255,.35);
}
.site-header.on-hero:not(.is-scrolled) .lang-switch__active { color: #fff; }
.site-header.on-hero:not(.is-scrolled) .lang-switch__sep { color: rgba(255,255,255,.4); }
.site-header.on-hero:not(.is-scrolled) .lang-switch__link { color: rgba(255,255,255,.6); }
.site-header.on-hero:not(.is-scrolled) .lang-switch__link:hover { color: #fff; }
.lang-switch--drawer {
  margin-top: 24px;
  padding-left: 0;
  border-left: none;
  border-top: 1px solid var(--line);
  padding-top: 20px;
  font-size: 13px;
  gap: 10px;
}

.header-cta {
  font-family: var(--serif-en);
  font-size: 12px;
  letter-spacing: 0;
  padding: 10px 18px;
  border: 1px solid var(--ink);
  text-transform: none;
  transition: all .4s var(--ease);
}
.header-cta:hover { background: oklch(0.73 0.09 35.42); color: var(--bg); border-color: oklch(0.73 0.09 35.42); }

/* Page offset when no hero (underline pages) */
.header-offset { height: 88px; }

/* ================================================================
   Placeholder image
================================================================ */
.ph-img {
  width: 100%; height: 100%;
  background:
    repeating-linear-gradient(135deg,
      color-mix(in oklab, var(--bg-deep) 92%, var(--ink)) 0 2px,
      var(--bg-deep) 2px 18px);
  display: grid;
  place-items: center;
  color: var(--ink-mute);
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: none;
  text-align: center;
  padding: 12px;
}

/* ================================================================
   Reveal
================================================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 1s var(--ease), transform 1s var(--ease);
}
.reveal.is-in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .1s; }
.reveal[data-delay="2"] { transition-delay: .2s; }
.reveal[data-delay="3"] { transition-delay: .3s; }

/* ================================================================
   Footer (shared)
================================================================ */
.site-footer {
  background: #faf8f3;
  color: var(--ink);
  padding: clamp(80px, 10vw, 140px) 0 40px;
}
.site-footer__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.site-footer__top {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr;
  gap: clamp(32px, 4vw, 64px);
  padding-bottom: 72px;
  border-bottom: 1px solid rgba(0,0,0,.12);
}
.footer-brand .logo-mark {
  display: block;
  margin-bottom: 20px;
}
.footer-brand__ja {
  font-family: var(--sans-jp);
  font-size: 18px;
  color: var(--body-text);
  letter-spacing: 0.08em;
  margin-bottom: 28px;
}
.footer-brand__badge {
  display: inline-block;
}
.footer-brand__badge img {
  width: 140px;
  height: auto;
  display: block;
}

.footer-col__title {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: none;
  color: var(--ink-mute);
  margin-bottom: 20px;
}
.footer-col address {
  font-style: normal;
  font-size: 13.5px;
  line-height: 2;
  color: var(--body-text);
}
.footer-col address a { color: var(--ink); border-bottom: 1px solid rgba(0,0,0,.2); padding-bottom: 1px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
  font-size: 13.5px;
  color: var(--body-text);
  transition: color .3s var(--ease), padding .3s var(--ease);
  letter-spacing: 0.06em;
}
.footer-links a:hover { color: var(--ink); padding-left: 6px; }
.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
  flex-wrap: wrap;
  gap: 16px;
}
.site-footer__copy {
  font-family: var(--serif-en);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: none;
  color: var(--ink-mute);
}
.site-footer__craft {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 12px;
  color: var(--ink-mute);
  letter-spacing: 0.1em;
}

/* ================================================================
   Page Hero (for underline pages: About, Products, etc.)
================================================================ */
.page-hero {
  position: relative;
  height: 62vh;
  min-height: 440px;
  overflow: hidden;
  color: #fff;
  display: flex;
  align-items: flex-end;
}
.page-hero__bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
  animation: pageHeroZoom 10s var(--ease) forwards;
}
@keyframes pageHeroZoom {
  from { transform: scale(1.1); }
  to   { transform: scale(1.02); }
}
.page-hero::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.15) 0%, rgba(0,0,0,.05) 45%, rgba(0,0,0,.5) 100%);
}
.page-hero__inner {
  position: relative;
  z-index: 2;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter) clamp(40px, 6vw, 50px);
  width: 100%;
}
.page-hero__eyebrow {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 18px;
  letter-spacing: 0.3em;
  text-transform: none;
  opacity: .9;
  margin-bottom: 20px;
  display: block;
}
.page-hero__eyebrow::before {
  content: "";
  display: inline-block;
  width: 32px; height: 1px;
  background: rgba(255,255,255,.7);
  vertical-align: middle;
  margin-right: 14px;
  transform: translateY(-2px);
}
.page-hero__title-en {
  font-family: var(--serif-en);
  font-weight: 300;
  font-size: clamp(56px, 9vw, 140px);
  letter-spacing: 0.04em;
  line-height: 1;
  margin-bottom: 12px;
  color: #fff;
}
.page-hero__title-en .it { font-style: italic; font-weight: 400; }
.page-hero__title-ja {
  font-family: var(--serif-jp);
  font-weight: 400;
  font-size: clamp(18px, 2vw, 24px);
  letter-spacing: 0.24em;
  opacity: .9;
  color: #fff;
}

/* breadcrumb inside page hero */
.page-hero__crumb {
  position: absolute;
  top: clamp(110px, 14vw, 160px);
  left: var(--gutter);
  font-family: var(--serif-en);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: none;
  color: rgba(255,255,255,.75);
  z-index: 2;
}
.page-hero__crumb a:hover { color: #fff; }
.page-hero__crumb .sep { margin: 0 10px; opacity: .5; }

/* ================================================================
   Small CTA band
================================================================ */
.band-cta {
  background: var(--btob-bg);
  padding: clamp(70px, 9vw, 120px) 0;
  text-align: center;
}
.band-cta p {
  font-family: var(--serif-jp);
  font-size: clamp(18px, 2vw, 24px);
  color: var(--ink);
  letter-spacing: 0.08em;
  margin-bottom: 32px;
}

/* ================================================================
   Responsive
================================================================ */
@media (max-width: 960px) {
  .site-nav { display: none; }
  .header-cta { display: none; }
  .site-header .lang-switch { display: none; }
  .nav-toggle {
    display: flex;
    position: absolute;
    top: 50%;
    right: var(--gutter);
    transform: translateY(-50%);
    margin-left: 0;
  }
  .nav-overlay { display: block; }
  .site-footer__top { grid-template-columns: 1fr 1fr; }
}
.sp-br { display: none; }

@media (max-width: 560px) {
  .site-footer__top { grid-template-columns: 1fr; }
  .sp-br { display: inline; }
  .page-hero__inner { padding: 0 var(--gutter) clamp(20px, 6vw, 50px); }
  .page-hero__title-en { margin-bottom: 8px; }
}