:root {
  --color-primary: #251f20;
  --color-primary-dark: #151114;
  --color-accent: #a64e26;
  --color-accent-light: #d7a06b;
  --color-bg: #f5f1ea;
  --color-surface: #fffdfc;
  --color-text: #211c1a;
  --color-muted: #746a64;
  --color-border: #d9d0c6;
  --header-height: 78px;
  --container: 1200px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--color-bg); }
body {
  margin: 0;
  color: var(--color-text);
  background: var(--color-bg);
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  letter-spacing: .045em;
  -webkit-font-smoothing: antialiased;
}
body.nav-open { overflow: hidden; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
img { max-width: 100%; }
h1, h2, h3, .catch {
  word-break: keep-all;
  overflow-wrap: anywhere;
  text-wrap: balance;
}
p, li, dd { text-wrap: pretty; line-break: strict; }

#top, #news { scroll-margin-top: var(--header-height); }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.br-sp { display: none; }

#loading {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: grid;
  place-items: center;
  background: var(--color-primary);
  color: #fff;
  transition: opacity .5s ease, visibility .5s ease;
}
#loading.is-hidden { opacity: 0; visibility: hidden; }
.loading-mark { text-align: center; line-height: 1; }
.loading-mark span {
  display: block;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 38px;
  letter-spacing: .18em;
}
.loading-mark small { display: block; margin-top: 13px; font-size: 10px; letter-spacing: .42em; opacity: .72; }

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 5000;
  height: var(--header-height);
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,.13);
  transition: background-color .3s ease, color .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.site-header.is-scrolled {
  color: var(--color-text);
  background: rgba(245,241,234,.96);
  border-color: rgba(37,31,32,.08);
  box-shadow: 0 7px 30px rgba(28,20,18,.07);
  backdrop-filter: blur(9px);
}
.header-inner {
  width: min(calc(100% - 48px), 1320px);
  height: 100%;
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 28px;
}
.brand {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  min-width: 82px;
  text-decoration: none;
  line-height: 1;
}
.brand-ja { font: 600 24px/1 "Yu Mincho", "Hiragino Mincho ProN", serif; letter-spacing: .16em; }
.brand-en { margin-top: 6px; font-size: 8px; letter-spacing: .37em; opacity: .72; }
.desktop-nav { margin-left: auto; display: flex; align-items: center; gap: 28px; }
.nav-link { position: relative; text-decoration: none; }
.desktop-nav .nav-link { font-size: 11px; letter-spacing: .2em; font-weight: 700; min-height: 48px; display: inline-flex; align-items: center; }
.desktop-nav .nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: auto;
  bottom: 8px;
  width: 0;
  height: 1px;
  background: currentColor;
  transition: width .3s ease;
}
.desktop-nav .nav-link:hover::after,
.desktop-nav .nav-link.is-active::after { width: calc(100% - .2em); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.btn-tel {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 0 14px;
  text-decoration: none;
  border: 1px solid currentColor;
}
.btn-tel-label { font-size: 9px; letter-spacing: .18em; opacity: .72; }
.btn-tel-number { font-size: 12px; letter-spacing: .05em; font-variant-numeric: tabular-nums; }
.btn-reserve {
  position: relative;
  overflow: hidden;
  z-index: 0;
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  padding: 0 21px;
  background: var(--color-accent);
  color: #fff;
  text-decoration: none;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .13em;
}
.btn-reserve::before, .btn-primary::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--color-primary-dark);
  transform: translateX(-100%);
  transition: transform .3s ease;
  z-index: -1;
}
.btn-reserve:hover::before, .btn-primary:hover::before { transform: translateX(0); }
.nav-toggle { display: none; }

.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 4900;
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s ease, visibility .3s ease;
}
.mobile-nav.is-open { opacity: 1; visibility: visible; }
.mobile-nav__backdrop { position: absolute; inset: 0; background: var(--color-primary-dark); }
.mobile-nav__panel {
  position: relative;
  z-index: 1;
  min-height: 100%;
  padding: 110px 28px 42px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: #fff;
}
.mobile-nav__brand {
  margin: 0 0 34px;
  font: 500 28px/1.2 "Yu Mincho", "Hiragino Mincho ProN", serif;
  letter-spacing: .14em;
}
.mobile-nav__brand span { margin-left: 9px; font: 9px/1 sans-serif; letter-spacing: .32em; opacity: .6; }
.mobile-nav-link {
  min-height: 58px;
  display: flex;
  align-items: baseline;
  gap: 16px;
  border-top: 1px solid rgba(255,255,255,.18);
  text-decoration: none;
  font: 600 17px/1.4 Georgia, serif;
  letter-spacing: .12em;
}
.mobile-nav-link span { font: 11px/1.4 "Yu Gothic", sans-serif; letter-spacing: .12em; opacity: .58; }
.mobile-nav-reserve, .mobile-nav-tel {
  min-height: 52px;
  margin-top: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}
.mobile-nav-reserve { background: var(--color-accent); color: #fff; font-weight: 700; letter-spacing: .13em; }
.mobile-nav-tel { margin-top: 9px; border: 1px solid rgba(255,255,255,.5); font-size: 15px; letter-spacing: .08em; }

.hero {
  position: relative;
  min-height: 620px;
  height: 100svh;
  max-height: 980px;
  overflow: hidden;
  color: #fff;
  background: var(--color-primary);
}
.hero__image {
  position: absolute;
  inset: -4%;
  background: url("assets/images/hero-exterior.webp") center 47% / cover no-repeat;
  transform: scale(1.035);
  will-change: transform;
}
.hero__overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(15,11,12,.72) 0%, rgba(18,13,14,.48) 47%, rgba(18,13,14,.25) 100%); }
.hero__inner {
  position: relative;
  z-index: 2;
  width: min(calc(100% - 48px), var(--container));
  height: 100%;
  margin-inline: auto;
  display: flex;
  align-items: flex-end;
  padding: calc(var(--header-height) + 40px) 0 clamp(88px, 12vh, 132px);
}
.hero__content { max-width: 740px; }
.hero__eyebrow { margin: 0 0 22px; font-size: 10px; font-weight: 700; letter-spacing: .27em; opacity: .77; }
.hero__title {
  margin: 0;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
  font-weight: 500;
  font-size: clamp(42px, 4.3vw, 56px);
  line-height: 1.38;
  letter-spacing: .13em;
  text-shadow: 0 2px 18px rgba(0,0,0,.24);
}
.hero__title-line { display: inline-block; white-space: nowrap; }
.hero__lead { max-width: 38em; margin: 23px 0 0; font-size: 15px; line-height: 1.9; letter-spacing: .09em; color: rgba(255,255,255,.88); }
.hero__actions { display: flex; gap: 12px; margin-top: 32px; }
.btn-primary, .btn-outline-light {
  position: relative;
  z-index: 0;
  overflow: hidden;
  min-width: 160px;
  min-height: 52px;
  padding: 0 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .13em;
}
.btn-primary { background: var(--color-accent); color: #fff; }
.btn-outline-light { border: 1px solid rgba(255,255,255,.68); color: #fff; transition: background .25s ease, color .25s ease; }
.btn-outline-light:hover { background: #fff; color: var(--color-primary); }
.scroll-cue {
  position: absolute;
  z-index: 2;
  right: 34px;
  bottom: 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.75);
  text-decoration: none;
}
.scroll-cue span { font-size: 8px; letter-spacing: .28em; writing-mode: vertical-rl; }
.scroll-cue i { display: block; width: 1px; height: 34px; background: rgba(255,255,255,.58); transform-origin: top; animation: scrollLine 1.8s ease-in-out infinite; }
@keyframes scrollLine { 0%,100% { transform: scaleY(.3); opacity: .35; } 50% { transform: scaleY(1); opacity: 1; } }

.section { padding: 96px 0 112px; }
.section-heading { margin-bottom: 42px; }
.section-heading__en { margin: 0 0 7px; color: var(--color-accent); font-size: 11px; font-weight: 700; letter-spacing: .31em; }
.section-heading__ja { margin: 0; font: 500 32px/1.4 "Yu Mincho", "Hiragino Mincho ProN", serif; letter-spacing: .13em; }
.section-heading__line { width: 0; height: 2px; margin-top: 18px; background: var(--color-accent); transition: width .8s cubic-bezier(.4,0,.2,1) .2s; }
.section-heading.is-visible .section-heading__line { width: 42px; }
.news { background: var(--color-bg); }
.news-list { border-top: 1px solid var(--color-border); }
.news-item {
  display: grid;
  grid-template-columns: 120px 110px minmax(0,1fr);
  align-items: center;
  gap: 24px;
  min-height: 88px;
  border-bottom: 1px solid var(--color-border);
}
.news-item time { color: var(--color-muted); font: 12px/1.4 Georgia, serif; letter-spacing: .08em; font-variant-numeric: tabular-nums; }
.news-category {
  width: fit-content;
  min-width: 84px;
  padding: 5px 8px;
  color: var(--color-accent);
  border: 1px solid color-mix(in srgb, var(--color-accent) 42%, transparent);
  text-align: center;
  font-size: 10px;
  line-height: 1.3;
  letter-spacing: .1em;
}
.news-item h3 { margin: 0; font-size: 16px; font-weight: 500; letter-spacing: .06em; line-height: 1.65; }

.char {
  display: inline-block;
  opacity: 0;
  transform: translateY(.4em);
  transition: opacity .5s ease-out, transform .5s ease-out;
}
.is-visible .char { opacity: 1; transform: translateY(0); }
[data-animate] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .6s ease-out, transform .6s ease-out;
}
[data-animate].is-visible { opacity: 1; transform: translateY(0); }
[data-animate-delay="1"] { transition-delay: .08s; }
[data-animate-delay="2"] { transition-delay: .16s; }
[data-animate-delay="3"] { transition-delay: .24s; }

@media (max-width: 920px) {
  :root { --header-height: 72px; }
  .desktop-nav { display: none; }
  .header-inner { width: calc(100% - 32px); gap: 9px; }
  .brand { margin-right: auto; min-width: 64px; }
  .brand-ja { font-size: 21px; }
  .brand-en { font-size: 7px; }
  .header-actions { order: 2; }
  .header-actions .btn-reserve { display: none; }
  .btn-tel { min-width: 48px; width: 48px; height: 48px; padding: 0; justify-content: center; border-color: rgba(255,255,255,.52); }
  .site-header.is-scrolled .btn-tel { border-color: rgba(37,31,32,.35); }
  .btn-tel-label { font-size: 10px; opacity: 1; }
  .btn-tel-number { display: none; }
  .nav-toggle {
    order: 3;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    position: relative;
    z-index: 9001;
    width: 48px;
    height: 48px;
    padding: 0;
    border: 0;
    background: transparent;
    color: currentColor;
    cursor: pointer;
  }
  .nav-toggle span,
  .nav-toggle::before,
  .nav-toggle::after {
    content: "";
    display: block;
    width: 22px;
    height: 1px;
    margin: 0;
    background: currentColor;
    transition: transform .3s ease, opacity .2s ease;
  }
  body.nav-open .site-header { color: #fff; border-color: transparent; }
  body.nav-open .btn-tel { border-color: rgba(255,255,255,.5); }
  body.nav-open .nav-toggle::before { transform: translateY(6px) rotate(45deg); }
  body.nav-open .nav-toggle span { opacity: 0; }
  body.nav-open .nav-toggle::after { transform: translateY(-6px) rotate(-45deg); }
  .hero__overlay { background: linear-gradient(180deg, rgba(15,11,12,.22) 0%, rgba(18,13,14,.38) 42%, rgba(18,13,14,.82) 100%); }
  .hero__inner { width: calc(100% - 40px); padding-bottom: 80px; }
  .scroll-cue { display: none; }
}

@media (max-width: 767px) {
  .br-sp { display: inline; }
  .hero { min-height: 640px; }
  .hero__image { inset: 0; background-position: center 44%; transform: none; }
  .hero__title { font-size: clamp(32px, 9.3vw, 38px); line-height: 1.45; letter-spacing: .09em; }
  .hero__eyebrow { max-width: 28em; font-size: 9px; letter-spacing: .2em; line-height: 1.7; }
  .hero__lead { margin-top: 18px; font-size: 14px; }
  .hero__actions { margin-top: 26px; }
  .btn-primary, .btn-outline-light { min-width: 0; flex: 1; padding: 0 14px; font-size: 12px; }
  .section { padding: 58px 0 70px; }
  .container { width: calc(100% - 40px); }
  .section-heading { margin-bottom: 30px; }
  .section-heading__ja { font-size: 25px; letter-spacing: .1em; }
  .news-item {
    grid-template-columns: 96px 1fr;
    gap: 7px 13px;
    min-height: auto;
    padding: 20px 0 22px;
  }
  .news-category { justify-self: start; min-width: 76px; font-size: 9px; }
  .news-item h3 { grid-column: 1 / -1; font-size: 15px; line-height: 1.7; }
}

@media (max-width: 359px) {
  .hero__inner, .container { width: calc(100% - 32px); }
  .hero__title { font-size: 31px; }
  .hero__actions { gap: 8px; }
  .btn-primary, .btn-outline-light { font-size: 11px; padding-inline: 10px; }
  .section-heading__ja { font-size: 23px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
    transition-delay: .01ms !important;
    scroll-behavior: auto !important;
  }
  [data-animate], .char { opacity: 1; transform: none; }
  .section-heading__line { width: 42px; }
}
