/* Base Typography & Global Styles */
html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-mincho);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text-light);
  background-color: var(--color-bg-light);
  font-feature-settings: "palt";
  letter-spacing: 0.1em;
  overflow-x: hidden;
}

/* English font */
:lang(en) {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 400;
  font-size: 18px;
  --text-base: 18px; /* 18px for English */
  line-height: 1.875;
  letter-spacing: 0.03em;
  font-variant-numeric: lining-nums;
}

:lang(en) h1,
:lang(en) h2,
:lang(en) h3,
:lang(en) .page-title,
:lang(en) .section__title {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 600;
  font-size: 24px;
  line-height: 1.636;
  letter-spacing: 0.03em;
}

:lang(en) .top-intro__title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 24px;
}

:lang(en) .header__nav-link {
  font-size: 16px;
  letter-spacing: 0.03em;
}

:lang(en) .header__nav-link em {
  font-style: italic;
  font-size: 15px;
  letter-spacing: 0.03em;
}

:lang(en) .header--menu-open .header__logo-img {
  height: auto;
  width: 35px;
}

:lang(en) .header--menu-open .header__nav-link {
  letter-spacing: 0.03em;
}

:lang(en) .header--menu-open .header__nav-link em {
  font-size: 1.1em;
}

:lang(en) .header--menu-open .header__reserve-btn {
  font-family: 'Cormorant Garamond', serif;
  letter-spacing: 0.03em;
  display: flex;
  align-items: center;
  justify-content: center;
}

:lang(en) .header__reserve-btn {
  font-size: 16px;
  padding: 0.6em 3.5em;
  letter-spacing: 0.03em;
}

@media (max-width: 768px) {
  :lang(en) .header__reserve-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    letter-spacing: 0.03em;
    font-family: 'Cormorant Garamond', serif;
  }
}

:lang(en) .header__logo-img {
  height: auto;
  width: 52px;
  margin-left: -2px;
}

@media (max-width: 768px) {
  :lang(en) .header__logo-img {
    width: 35px;
    margin-left: 0;
  }
}

:lang(en) .footer__logo-img {
  height: auto;
  width: 55px;
}

:lang(en) .footer .footer__info,
:lang(en) .footer .footer__info p,
:lang(en) .footer .footer__hours,
:lang(en) .footer .footer__hours p {
  font-family: 'Cormorant Garamond', serif;
  font-size: 16px;
  letter-spacing: 0.03em;
  line-height: 1.875;
}

:lang(en) .footer__reserve-btn {
  font-family: 'Cormorant Garamond', serif;
  font-size: 16px;
  letter-spacing: 0.03em;
  padding: 0.8em 3em;
}

:lang(en) .footer__copyright {
  font-family: 'Cormorant Garamond', serif;
  letter-spacing: 0.03em;
}

:lang(en) em {
  font-size: 1em;
  letter-spacing: 0.03em;
  font-weight: inherit;
}

:lang(en) .more-link {
  letter-spacing: 0.03em;
}

:lang(en) .more-link::after {
  font-family: var(--font-mincho);
}

:lang(en) .page-title {
  padding-bottom: 58px;
}

/* English: reset letter-spacing for all page elements */
:lang(en) .lunch-room__desc h3 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 24px;
  letter-spacing: 0.03em;
}

:lang(en) .lunch-room__desc h4 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 18px;
  letter-spacing: 0.03em;
}

:lang(en) .lunch-menu__price,
:lang(en) .dinner-course__price {
  font-size: 18px;
  letter-spacing: 0.03em;
}

:lang(en) .lunch-menu__tax,
:lang(en) .dinner-course__tax {
  font-size: 16px;
  letter-spacing: 0.03em;
}

:lang(en) .room-detail__name h1 {
  font-size: 24px;
  letter-spacing: 0.03em;
}

:lang(en) .room-detail__floor {
  font-size: 16px;
  letter-spacing: 0.03em;
}

:lang(en) .room-detail__desc {
  font-size: 18px;
  letter-spacing: 0.03em;
}

:lang(en) .room-detail__caption {
  font-size: 16px;
  letter-spacing: 0.03em;
}

/* English: reset remaining Japanese letter-spacing */
:lang(en) .dinner-course__title,
:lang(en) .dinner-drinks__title,
:lang(en) .lunch-room__title,
:lang(en) .lunch-menu__name,
:lang(en) .lunch-intro,
:lang(en) .mizutaki-desc,
:lang(en) .dinner-course__menu ul,
:lang(en) .story-date,
:lang(en) .hero__scroll,
:lang(en) .hero__corner-link,
:lang(en) .room-card__label,
:lang(en) .room-card__name,
:lang(en) .btn,
:lang(en) .floor-tab {
  letter-spacing: 0.03em;
}

/* Theme sections */
[data-theme="light"] {
  --bg: var(--color-bg-light);
  --text: var(--color-text-light);
  --text-secondary: var(--color-text-light-secondary);
  --border: var(--color-border-light);
  background-color: var(--bg);
  color: var(--text);
}

[data-theme="dark"] {
  --bg: var(--color-bg-dark);
  --text: var(--color-text-dark);
  --text-secondary: var(--color-text-dark-secondary);
  --border: var(--color-border-dark);
  background-color: var(--bg);
  color: var(--text);
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-mincho-demibold);
  font-weight: normal;
  line-height: var(--leading-tight);
  letter-spacing: 0.15em;
}

h2 {
  font-size: var(--text-lg);
}

h3 {
  font-size: var(--text-base);
}

/* Paragraphs */
p {
  line-height: var(--leading-normal);
}

p + p {
  margin-top: 1.5em;
}

/* Links */
a {
  transition: opacity var(--transition-fast);
}

a:hover {
  opacity: 0.7;
}

/* Images */
img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* Selection */
::selection {
  background-color: rgba(44, 36, 32, 0.15);
}

[data-theme="dark"] ::selection {
  background-color: rgba(240, 232, 224, 0.2);
}

/* Vertical text utility */
.vertical-text {
  writing-mode: vertical-rl;
  text-orientation: upright;
}

/* Visually hidden */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}