/* header.css — styles for partials/header.html only */

:root {
  --bg: #f8f5f0;
  --bg-soft: #f2eee6;
  --bg-card: #ffffff;
  --text: #2c2a26;
  --text-soft: #5c574f;
  --text-muted: #8a847a;
  --accent: #b8956a;
  --accent-dark: #9a7a52;
  --accent-soft: #e8d9c0;
  --line: #e5dfd4;
  --shadow: 0 12px 40px rgba(44, 42, 38, 0.06);
  --radius: 12px;
  --font-sans: 'Noto Sans JP', 'Hiragino Sans', 'Yu Gothic', sans-serif;
  --font-serif: 'Noto Serif JP', 'Hiragino Mincho ProN', serif;
}

html[lang='zh-Hans'],
html[data-lang='zh-Hans'] {
  --font-sans: 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', sans-serif;
  --font-serif: 'Noto Serif SC', 'Songti SC', 'STSong', serif;
}

html[lang='zh-Hant'],
html[data-lang='zh-Hant'] {
  --font-sans: 'Noto Sans TC', 'PingFang TC', 'Hiragino Sans CNS', sans-serif;
  --font-serif: 'Noto Serif TC', 'Songti TC', 'LiSong Pro', serif;
}

html[lang='en'],
html[data-lang='en'] {
  --font-sans: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
}

html[lang='ko'],
html[data-lang='ko'] {
  --font-sans: 'Noto Sans KR', 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  --font-serif: 'Noto Serif KR', 'Apple Myungjo', 'Batang', serif;
}

html {
  overflow-x: hidden;
  max-width: 100%;
  scrollbar-gutter: stable;
}

body {
  overflow-x: hidden;
  max-width: 100%;
}

@supports not (overflow: clip) {
  html,
  body {
    overflow-x: hidden;
  }
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  align-items: center !important;
  justify-content: space-between;
  padding: 1.1rem 3rem;
  background: rgba(248, 245, 240, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition:
    background 0.35s ease,
    box-shadow 0.35s ease,
    backdrop-filter 0.35s ease,
    -webkit-backdrop-filter 0.35s ease;
  gap: 1.5rem;
  height: 81px !important;
  min-height: 81px !important;
  max-height: 81px !important;
  box-sizing: border-box !important;
  padding-top: 0 !important;
  padding-bottom: 0 !important;
}

.header.scrolled {
  border-bottom-color: var(--line);
  box-shadow:
    0 1px 0 rgba(44, 42, 38, 0.06),
    0 8px 24px rgba(44, 42, 38, 0.04);
  background: rgba(248, 245, 240, 0.82) !important;
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  backdrop-filter: saturate(160%) blur(14px);
}

.logo {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  transition: transform 0.3s ease;
  display: flex !important;
  align-items: center !important;
  text-decoration: none !important;
  flex-shrink: 0 !important;
  flex: 0 0 auto !important;
  margin: 0 !important;
  padding: 0 !important;
}

.logo span {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  margin-left: 0.5rem;
}

#nav.nav {
  display: flex;
  gap: 2rem;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
}

#nav.nav a {
  color: var(--text-soft);
  font-weight: 400;
  transition: color 0.25s;
  position: relative;
  text-decoration: none;
}

.nav a:hover {
  color: var(--accent-dark);
}

.header-cta {
  background: var(--accent);
  color: #fff;
  padding: 0.55rem 1.4rem;
  border-radius: 100px;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  transition: background 0.25s;
  order: 3;
}

.header-cta:hover {
  background: var(--accent-dark);
}

#menuToggle.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
  color: var(--text);
}

#nav.nav a.active {
  color: var(--accent-dark) !important;
  font-weight: 500;
}

#nav.nav a::after {
  display: none;
}

.btn-ripple {
  position: relative;
  overflow: hidden;
}

.btn-ripple .ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  transform: scale(0);
  animation: rippleAnim 0.6s linear;
  pointer-events: none;
}

.header.scrolled .logo {
  transform: scale(0.96);
  transition: transform 0.3s ease;
}

.header .logo img.logo-img {
  height: 40px !important;
  width: auto !important;
  display: block !important;
}

.lang-switch {
  position: relative;
  margin-right: 1.1rem;
  margin-left: 0.5rem;
}

.lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  border: 1px solid rgba(44, 42, 38, 0.18);
  background: rgba(255, 255, 255, 0.7);
  color: var(--text);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  cursor: pointer;
  font-family: inherit;
}

.lang-btn:hover {
  border-color: var(--accent);
}

.lang-btn .chev {
  font-size: 0.65rem;
  opacity: 0.7;
}

.lang-menu {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  min-width: 148px;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 12px 32px rgba(44, 42, 38, 0.12);
  padding: 0.35rem 0;
  z-index: 200;
  border: 1px solid rgba(44, 42, 38, 0.08);
}

.lang-switch.open .lang-menu {
  display: block;
}

.lang-menu button {
  display: block;
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  padding: 0.55rem 1rem;
  font-size: 0.86rem;
  color: var(--text);
  cursor: pointer;
}

.lang-menu button[data-lang='ja'],
.lang-btn[data-lang='ja'] {
  font-family: 'Noto Sans JP', 'Hiragino Sans', 'Yu Gothic', sans-serif;
}

.lang-menu button[data-lang='zh-Hans'],
.lang-btn[data-lang='zh-Hans'] {
  font-family: 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', sans-serif;
}

.lang-menu button[data-lang='zh-Hant'],
.lang-btn[data-lang='zh-Hant'] {
  font-family: 'Noto Sans TC', 'PingFang TC', 'Hiragino Sans CNS', sans-serif;
}

.lang-menu button[data-lang='en'],
.lang-btn[data-lang='en'] {
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

.lang-menu button[data-lang='ko'],
.lang-btn[data-lang='ko'] {
  font-family: 'Noto Sans KR', 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
}

.lang-menu button:hover,
.lang-menu button.active {
  background: rgba(184, 149, 106, 0.12);
  color: var(--accent-dark);
}

.header-actions .lang-switch {
  order: 2;
  margin: 0;
  position: relative;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
  margin-left: 0;
}

.header .nav {
  display: flex !important;
  align-items: center !important;
}

.header .header-actions {
  display: flex !important;
  align-items: center !important;
}

.header .logo-img,
.header .logo img.logo-img {
  height: 40px !important;
  width: auto !important;
  display: block !important;
}

.header .logo,
.header .logo img.logo-img,
.header .nav,
.header .header-actions,
.header .lang-switch,
.header .header-cta,
.header .menu-toggle {
  align-self: center !important;
}

.nav-close {
  display: none;
  box-sizing: border-box;
  width: 48px;
  height: 48px;
  margin: 0;
  padding: 0;
  border: none;
  background: transparent;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--text, #2c2a26);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  -webkit-tap-highlight-color: transparent;
  z-index: 1401;
}

.header .logo-img,
.header .logo img {
  filter: invert(1);
}

@media (max-width: 960px) {
  .header {
    padding: 0.85rem 1.25rem !important;
    z-index: 1400;
    height: 81px !important;
    min-height: 81px !important;
    max-height: 81px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 0.5rem !important;
  }

  #nav.nav {
    display: none !important;
    position: fixed !important;
    top: 0;
    left: auto;
    right: 0;
    background: rgba(248, 245, 240, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 5.5rem 1.75rem 2rem;
    border-bottom: 1px solid var(--line);
    flex-direction: column !important;
    gap: 0.15rem;
    z-index: 1300 !important;
    box-shadow: -12px 0 40px rgba(44, 42, 38, 0.14);
    width: min(82vw, 320px);
    height: 100dvh;
    align-items: stretch !important;
    justify-content: flex-start;
    transform: translate3d(105%, 0, 0);
    opacity: 0;
    visibility: hidden;
    transition:
      transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
      opacity 0.3s ease,
      visibility 0.3s;
    overflow-y: auto;
    pointer-events: auto !important;
    -webkit-overflow-scrolling: touch;
  }

  #nav.nav a {
    padding: 0.95rem 0.4rem;
    border-bottom: 1px solid rgba(44, 42, 38, 0.08);
    font-size: 1rem;
    color: var(--text) !important;
    opacity: 1 !important;
    transform: none !important;
    font-weight: 400;
    letter-spacing: 0.06em;
    pointer-events: auto !important;
    position: relative;
    z-index: 2;
    cursor: pointer;
    display: block;
    visibility: visible !important;
  }

  #nav.nav a:last-child {
    border-bottom: none;
  }

  #menuToggle.menu-toggle {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 44px !important;
    height: 44px !important;
    font-size: 1.5rem !important;
    z-index: 1500 !important;
    -webkit-tap-highlight-color: transparent;
    position: relative;
    pointer-events: auto !important;
    min-width: 44px;
    min-height: 44px;
    cursor: pointer !important;
    background: none !important;
    border: none !important;
    color: #2c2a26 !important;
    order: 3;
    padding: 0 !important;
    transition: opacity 0.2s ease;
  }

  #nav.nav.open {
    display: flex !important;
    transform: none !important;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
    z-index: 1300 !important;
    position: fixed !important;
    top: 0 !important;
    right: 0 !important;
    left: auto !important;
    width: min(82vw, 320px) !important;
    height: 100dvh !important;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 0 !important;
    margin: 0 !important;
    padding: 5.5rem 1.5rem 2rem !important;
    background: rgba(248, 245, 240, 0.98) !important;
    box-shadow: -12px 0 40px rgba(44, 42, 38, 0.12) !important;
    overflow-y: auto !important;
  }

  .header-cta {
    display: none !important;
    order: 2;
  }

  #nav.nav a.active {
    color: var(--accent-dark) !important;
    background: rgba(184, 149, 106, 0.08);
  }

  #nav.nav a::after {
    display: none;
  }

  #nav.nav.open a {
    opacity: 1 !important;
    transform: none !important;
    position: relative;
    z-index: 1;
    -webkit-tap-highlight-color: rgba(184, 149, 106, 0.25);
    min-height: 44px;
    display: flex !important;
    align-items: center;
    pointer-events: auto !important;
    padding: 0.9rem 0.4rem !important;
    border-bottom: 1px solid rgba(44, 42, 38, 0.08) !important;
    font-size: 0.95rem !important;
    color: var(--text-soft, #5c574f) !important;
  }

  #nav.nav.open a:nth-child(1) {
    transition-delay: 0.05s;
  }

  #nav.nav.open a:nth-child(2) {
    transition-delay: 0.09s;
  }

  #nav.nav.open a:nth-child(3) {
    transition-delay: 0.13s;
  }

  #nav.nav.open a:nth-child(4) {
    transition-delay: 0.17s;
  }

  #nav.nav.open a:nth-child(5) {
    transition-delay: 0.21s;
  }

  #nav.nav.open a:nth-child(6) {
    transition-delay: 0.25s;
  }

  #nav.nav.open a:nth-child(7) {
    transition-delay: 0.29s;
  }

  #nav.nav.open a:nth-child(8) {
    transition-delay: 0.33s;
  }

  #nav.nav.open a:nth-child(9) {
    transition-delay: 0.37s;
  }

  .nav-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(44, 42, 38, 0.28);
    opacity: 0;
    visibility: hidden;
    transition:
      opacity 0.35s ease,
      visibility 0.35s;
    z-index: 1100 !important;
  }

  .nav-backdrop.show {
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
    display: block !important;
    z-index: 1100 !important;
  }

  .header-actions {
    gap: 0.45rem;
    display: flex;
    align-items: center;
  }

  .header-actions .lang-switch {
    order: 1;
    margin: 0;
  }

  .header .logo {
    display: flex !important;
    align-items: center !important;
    flex: 0 0 auto !important;
    position: relative !important;
    z-index: 2 !important;
    margin: 0 !important;
    min-width: 0 !important;
    max-width: 42% !important;
    overflow: visible !important;
    opacity: 1 !important;
    visibility: visible !important;
  }

  .header .logo-img,
  .header .logo img.logo-img {
    display: block !important;
    height: 32px !important;
    width: auto !important;
    max-width: 100% !important;
    opacity: 1 !important;
    visibility: visible !important;
  }

  .header .header-actions {
    display: flex !important;
    align-items: center !important;
    gap: 0.45rem !important;
    flex: 0 0 auto !important;
    margin-left: auto !important;
    position: relative !important;
    z-index: auto !important;
  }

  .header-actions .lang-switch {
    position: relative;
    z-index: 1;
  }

  .header .lang-btn {
    font-size: 0.75rem !important;
    padding: 0.3rem 0.6rem !important;
  }

  .nav-close {
    display: none !important;
    position: fixed !important;
    top: 18.5px !important;
    right: 1.25rem !important;
    width: 44px !important;
    height: 44px !important;
    font-size: 1.5rem;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
  }

  body.nav-open .nav-close,
  #nav.nav.open .nav-close {
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
  }

  #nav.nav .nav-close {
    position: fixed !important;
    top: 18.5px !important;
    right: 1.25rem !important;
    width: 44px !important;
    height: 44px !important;
  }

  #nav.nav:not(.open) .nav-close,
  .nav-close {
    display: none !important;
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
  }

  body.nav-open #menuToggle,
  #menuToggle[aria-expanded='true'] {
    opacity: 1 !important;
    pointer-events: auto !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  #nav.nav {
    transition: none;
  }
}

@media (max-width: 600px) {
  .header .logo img.logo-img {
    height: 28px;
  }

  .header {
    padding: 0.75rem 1rem;
  }

  .logo span {
    display: none;
  }
}

@media (max-width: 900px) {
  .lang-switch {
    margin-right: 0.4rem;
  }
}

@media (min-width: 961px) {
  .header {
    display: grid !important;
    grid-template-columns: 1fr auto 1fr;
    align-items: center !important;
    justify-content: unset !important;
    height: 81px !important;
    min-height: 81px !important;
    max-height: 81px !important;
    box-sizing: border-box !important;
    overflow: visible !important;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
  }

  .header .logo {
    justify-self: start;
    flex: 0 0 auto !important;
    display: flex !important;
    align-items: center !important;
  }

  .header .logo img.logo-img {
    height: 40px !important;
    width: auto !important;
    display: block !important;
  }

  .header .nav {
    display: flex !important;
    justify-self: center;
    flex: 0 1 auto !important;
    flex-wrap: nowrap !important;
    align-items: center !important;
    justify-content: center !important;
    min-width: 0 !important;
    gap: 2rem !important;
  }

  #nav.nav a {
    white-space: normal !important;
    flex: 0 1 auto !important;
    min-width: 0 !important;
    font-size: 0.82rem !important;
    letter-spacing: 0.06em !important;
    line-height: 1.8 !important;
    padding: 0 !important;
    display: inline-block !important;
  }

  .header .header-actions {
    display: flex !important;
    justify-self: end;
    justify-content: flex-end;
    flex: 0 0 auto !important;
    flex-shrink: 0 !important;
    align-items: center !important;
  }

  .header-cta {
    flex-shrink: 0 !important;
  }

  .nav-close {
    display: none !important;
  }
}