/* =====================
   DESIGN C — 艶 (TSUYA)
   温かみと雅の和モダン
   温かいカラーパレット / 装飾的 / 伝統的高級感
===================== */
@import url('https://fonts.googleapis.com/css2?family=Shippori+Mincho:wght@400;500;600;700&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #fdf6ee;
  --bg-alt:    #f5ece0;
  --ink:       #1a0e06;
  --ink-mid:   #5a4030;
  --ink-dim:   #a88878;
  --gold:      #c5852a;
  --gold-lt:   #daa050;
  --gold-dim:  rgba(197,133,42,.35);
  --black:     #100804;
  --border:    #ddd0be;
  --vermillion: #8b2116;   /* 朱色 — 江戸前の伝統的な赤 */
  --serif: "Shippori Mincho", "游明朝", YuMincho, "ヒラギノ明朝 ProN", serif;
  --sans:  "Noto Sans JP", "游ゴシック", YuGothic, sans-serif;
}

html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 16px;
  line-height: 2.05;
  letter-spacing: .02em;
  font-feature-settings: "palt" 1;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; height: 100%; object-fit: cover; }
.container { max-width: 1080px; margin: 0 auto; padding: 0 48px; }
.text-c { text-align: center; }

.back-btn {
  position: fixed;
  bottom: 32px; right: 32px;
  z-index: 9999;
  background: rgba(26,14,6,.8);
  color: #fff;
  font-family: var(--sans);
  font-size: .72rem;
  letter-spacing: .12em;
  padding: 10px 18px;
  transition: background .2s;
}
.back-btn:hover { background: var(--gold); }

/* --- HEADER --- */
.header {
  position: fixed;
  top: 0; left: 0; width: 100%;
  z-index: 1000;
  padding: 30px 0;
  transition: background .5s, padding .5s, box-shadow .5s;
}
.header.scrolled {
  background: rgba(253,246,238,.97);
  padding: 18px 0;
  box-shadow: 0 1px 0 var(--border);
  backdrop-filter: blur(8px);
}
.nav { display: flex; align-items: center; justify-content: space-between; }
.nav-logo { font-size: 1.12rem; letter-spacing: .25em; font-weight: 400; color: rgba(255,255,255,.92); transition: color .5s; }
.header.scrolled .nav-logo { color: var(--ink); }
.nav-links { display: flex; gap: 36px; list-style: none; align-items: center; }
.nav-links a { font-family: var(--sans); font-size: .8rem; letter-spacing: .14em; font-weight: 300; color: rgba(255,255,255,.78); transition: color .2s; }
.header.scrolled .nav-links a { color: var(--ink-mid); }
.nav-links a:hover { color: var(--gold) !important; }
.nav-cta { border: 1px solid rgba(255,255,255,.5) !important; padding: 8px 22px !important; color: rgba(255,255,255,.88) !important; }
.header.scrolled .nav-cta { border-color: var(--gold) !important; color: var(--gold) !important; }
.nav-cta:hover { background: var(--gold) !important; border-color: var(--gold) !important; color: #fff !important; }

.hamburger { display: none; flex-direction: column; gap: 6px; background: none; border: none; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 1px; background: rgba(255,255,255,.85); transition: background .4s, transform .3s, opacity .3s; }
.header.scrolled .hamburger span { background: var(--ink); }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-menu { display: none; position: fixed; inset: 0; background: var(--bg); z-index: 900; align-items: center; justify-content: center; flex-direction: column; }
.mobile-menu.open { display: flex; }
.mobile-menu ul { list-style: none; text-align: center; }
.mobile-menu li + li { margin-top: 36px; }
.mobile-menu a { font-size: 1.3rem; letter-spacing: .28em; font-weight: 300; color: var(--ink); }
.mobile-menu a:hover { color: var(--gold); }

/* --- HERO (センター + 装飾フレーム) --- */
.hero {
  position: relative;
  height: 100vh; min-height: 640px;
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    linear-gradient(rgba(16,8,4,.72), rgba(16,8,4,.56)),
    url("images/hero.jpg") center/cover no-repeat;
  transform: scale(1.04);
  transition: transform 10s ease;
}
.hero-content {
  position: relative;
  z-index: 2;
  color: #fff;
  padding: 64px 72px;
}
/* 装飾二重フレーム (艶の特徴) */
.hero-content::before {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid rgba(197,133,42,.45);
  pointer-events: none;
}
.hero-content::after {
  content: '';
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(197,133,42,.22);
  pointer-events: none;
}
/* 四隅の装飾 */
.hero-deco {
  position: absolute;
  top: -8px; left: 50%;
  transform: translateX(-50%);
  font-size: .7rem;
  color: var(--gold);
  letter-spacing: 0;
  z-index: 3;
  background: transparent;
  padding: 0 8px;
}

.label { font-family: var(--sans); font-size: .62rem; letter-spacing: .55em; color: rgba(218,160,80,.9); font-weight: 300; margin-bottom: 20px; display: block; }
.hero-title {
  font-size: clamp(2.0rem, 4vw, 3.5rem);
  font-weight: 500;
  letter-spacing: .3em;
  line-height: 1.08;
  margin-bottom: 24px;
  color: #fff;
}
.hero-sub { font-size: .94rem; font-weight: 300; letter-spacing: .12em; line-height: 2.5; color: rgba(255,255,255,.72); margin-bottom: 52px; }

/* 縦書き装飾テキスト (江戸前の懐かしさ) */
.hero-vert {
  position: absolute;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-family: var(--serif);
  font-weight: 300;
  letter-spacing: .65em;
  z-index: 2;
  pointer-events: none;
  top: 50%;
  transform: translateY(-50%);
  user-select: none;
  line-height: 1;
}
.hero-vert--r {
  right: 9%;
  font-size: .95rem;
  color: rgba(197,133,42,.3);
}
.hero-vert--l {
  left: 9%;
  font-size: .72rem;
  color: rgba(197,133,42,.2);
  letter-spacing: .5em;
}

.scroll-indicator { position: absolute; bottom: 44px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 10px; color: rgba(255,255,255,.35); z-index: 2; }
.scroll-indicator span { font-family: var(--sans); font-size: .58rem; letter-spacing: .4em; font-weight: 300; }
.scroll-bar { width: 1px; height: 52px; background: linear-gradient(to bottom, rgba(197,133,42,.6), transparent); animation: scrollDrop 2.2s ease-in-out infinite; }
@keyframes scrollDrop {
  0%   { opacity: 0; transform: scaleY(0); transform-origin: top; }
  50%  { opacity: 1; transform: scaleY(1); }
  100% { opacity: 0; transform: scaleY(1); transform-origin: bottom; }
}

/* --- BUTTONS --- */
.btn-gold { display: inline-flex; align-items: center; justify-content: center; background: var(--gold); color: #fff; font-family: var(--sans); font-size: .84rem; letter-spacing: .16em; font-weight: 300; padding: 17px 48px; transition: background .3s, transform .3s; }
.btn-gold:hover { background: var(--gold-lt); transform: translateY(-2px); }
.btn-gold--col { flex-direction: column; gap: 5px; padding: 20px 52px; }
.btn-outline { display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--gold); color: var(--gold); font-family: var(--sans); font-size: .84rem; letter-spacing: .16em; font-weight: 300; padding: 17px 48px; transition: all .3s; }
.btn-outline:hover { background: var(--gold); color: #fff; transform: translateY(-2px); }
.btn-outline--col { flex-direction: column; gap: 5px; padding: 20px 52px; }
.btn-main { font-size: .84rem; letter-spacing: .15em; }
.btn-sub  { font-size: .7rem;  letter-spacing: .06em; opacity: .7; }

/* --- SECTION COMMONS --- */
.sec { padding: 110px 0; }
.sec-head { margin-bottom: 72px; }
.sec-head.centered { text-align: center; }

.label-gold { display: block; font-family: var(--sans); font-size: .62rem; letter-spacing: .55em; color: var(--gold); font-weight: 300; margin-bottom: 14px; }
.label-gold-dim { display: block; font-family: var(--sans); font-size: .62rem; letter-spacing: .55em; color: var(--gold-dim); font-weight: 300; margin-bottom: 14px; }

.sec-title { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 500; letter-spacing: .22em; color: var(--ink); line-height: 1.25; }
.sec-title--light { color: rgba(253,246,238,.95); }
.sec-title-left { font-size: clamp(1.5rem, 2.5vw, 2rem); font-weight: 500; letter-spacing: .2em; color: var(--ink); }

/* 艶: 装飾的な区切り線 */
.gold-rule {
  width: 44px;
  height: 1px;
  background: var(--gold);
  margin-top: 22px;
  position: relative;
}
.gold-rule::before,
.gold-rule::after {
  content: '◆';
  position: absolute;
  top: 50%;
  font-size: .45rem;
  color: var(--gold);
  transform: translateY(-50%);
}
.gold-rule::before { right: calc(100% + 6px); }
.gold-rule::after  { left:  calc(100% + 6px); }
.gold-rule--center { margin-left: auto; margin-right: auto; }

/* 艶: 装飾セクション区切り */
.sec-deco-sep {
  text-align: center;
  margin: 80px 0;
  color: var(--gold);
  font-size: .6rem;
  letter-spacing: .6em;
  opacity: .5;
}

.fade-in { opacity: 0; transform: translateY(24px); transition: opacity .9s ease, transform .9s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* --- NEWS --- */
.sec-news { background: var(--bg); }
.news-list { list-style: none; border-top: 1px solid var(--border); }
.news-item { display: flex; align-items: baseline; gap: 48px; padding: 26px 0; border-bottom: 1px solid var(--border); transition: background .2s; }
.news-item:hover { background: var(--bg-alt); padding-left: 16px; padding-right: 16px; margin: 0 -16px; }
.news-item time { font-family: var(--sans); font-size: .73rem; color: var(--vermillion); letter-spacing: .1em; white-space: nowrap; font-weight: 300; border-bottom: 1px solid rgba(139,33,22,.2); padding-bottom: 1px; }
.news-item p { font-size: .9rem; color: var(--ink-mid); letter-spacing: .05em; }

/* --- PHILOSOPHY --- */
.sec-philosophy { background: var(--bg); }
.philo-block { display: grid; grid-template-columns: 1fr 1fr; gap: 88px; align-items: center; margin-bottom: 96px; }
.philo-block:last-of-type { margin-bottom: 0; }
.philo-block--rev .philo-img { order: -1; }
.philo-text h3 {
  font-size: 1.45rem;
  font-weight: 600;
  letter-spacing: .2em;
  color: var(--ink);
  margin-bottom: 20px;
  padding-bottom: 20px;
  position: relative;
  line-height: 1.5;
}
.philo-text h3::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 36px; height: 1px;
  background: var(--gold);
}
.philo-text p { font-size: .92rem; color: var(--ink-mid); line-height: 2.15; letter-spacing: .05em; }
.philo-img { aspect-ratio: 4/3; overflow: hidden; }
.philo-img img { transition: transform .8s ease; filter: brightness(.9) saturate(.98) sepia(.14); }
.philo-img:hover img { transform: scale(1.04); filter: brightness(.95) saturate(1.05) sepia(.07); }
.philo-img img[src="images/gallery7.jpg"], .philo-img img[src="images/gallery2.jpg"] { filter: none; }
.philo-img:hover img[src="images/gallery7.jpg"], .philo-img:hover img[src="images/gallery2.jpg"] { filter: none; }

/* --- CHEF --- */
.sec-chef { background: var(--bg-alt); }
.chef-inner { display: grid; grid-template-columns: 1fr 280px; gap: 80px; align-items: center; }
.chef-portrait { width: 280px; height: 350px; overflow: hidden; position: relative; }
.chef-portrait::before {
  content: '';
  position: absolute;
  inset: -8px;
  border: 1px solid var(--gold-dim);
  z-index: 1;
  pointer-events: none;
}
.chef-portrait img {
  filter: none;
  object-position: center 22%;
  transform: scale(1.38);
  transform-origin: center 22%;
  transition: transform .8s ease;
}
.chef-portrait:hover img {
  transform: scale(1.44);
}
.portrait-ph { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; font-size: 1rem; letter-spacing: .35em; color: var(--ink-dim); background: var(--bg); border: 1px solid var(--border); }
.chef-name {
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: .25em;
  color: var(--ink);
  margin-top: 8px;
  margin-bottom: 20px;
  padding-bottom: 20px;
  position: relative;
}
.chef-name::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 36px;
  height: 1px;
  background: var(--gold);
}
.chef-bio p { font-size: .92rem; color: var(--ink-mid); line-height: 2.15; letter-spacing: .05em; margin-top: 20px; }

/* --- MENU (温かい黒背景) --- */
.sec-menu { background: var(--black); padding: 110px 0; }
.menu-block { text-align: center; }
.menu-cat { font-family: var(--sans); font-size: .85rem; letter-spacing: .55em; color: var(--gold); font-weight: 300; margin-bottom: 48px; }
.menu-subcat { font-family: var(--serif); font-size: .95rem; font-weight: 500; letter-spacing: .25em; color: rgba(253,246,238,.65); margin: 40px auto 4px; max-width: 520px; text-align: left; }
.menu-subcat:first-of-type { margin-top: 0; }
.menu-tbl { width: 100%; max-width: 520px; margin: 0 auto; border-collapse: collapse; }
.menu-tbl tr { border-bottom: 1px solid rgba(197,133,42,.1); }
.menu-tbl tr:first-child { border-top: 1px solid rgba(197,133,42,.1); }
.menu-tbl td { padding: 24px 12px; }
td.mn { text-align: left; font-size: 1.05rem; color: rgba(253,246,238,.88); letter-spacing: .3em; }
td.md { text-align: center; font-family: var(--sans); font-size: .72rem; color: rgba(197,133,42,.4); letter-spacing: .1em; }
td.mp { text-align: right; font-family: var(--sans); font-size: 1.18rem; color: var(--gold-lt); letter-spacing: .05em; font-weight: 300; }
/* 艶: 装飾的メニュー区切り */
.menu-sep {
  text-align: center;
  color: var(--gold);
  font-size: .55rem;
  letter-spacing: .5em;
  margin: 56px auto;
  opacity: .5;
}
.menu-note { text-align: center; font-family: var(--sans); font-size: .68rem; color: rgba(253,246,238,.18); line-height: 2.5; letter-spacing: .06em; margin-top: 56px; }

/* --- ROOMS --- */
.sec-rooms { background: var(--bg-alt); }
.rooms-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px; }
.room-item { text-align: center; }
.room-img { aspect-ratio: 4/3; overflow: hidden; margin-bottom: 24px; }
.room-img img { transition: transform .8s ease, filter .5s; filter: brightness(.9) saturate(.98) sepia(.14); }
.room-item:hover .room-img img { transform: scale(1.05); filter: brightness(.96) saturate(1.05) sepia(.06); }
.room-name {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: .2em;
  color: var(--ink);
  margin-bottom: 14px;
  padding-bottom: 14px;
  position: relative;
}
.room-name::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 30px; height: 1px;
  background: var(--gold);
}
.room-desc { font-size: .85rem; color: var(--ink-mid); line-height: 1.9; letter-spacing: .04em; }

/* --- GALLERY --- */
.sec-gallery { background: var(--bg); }
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.g-item { overflow: hidden; aspect-ratio: 4/3; }
.g-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s ease; }
.g-item:hover img { transform: scale(1.05); }

/* --- RESERVE --- */
.sec-reserve { background: var(--bg-alt); }
.reserve-lead { font-size: .9rem; color: var(--ink-mid); line-height: 2.5; letter-spacing: .06em; margin: 36px 0 52px; }
.reserve-btns { display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; }

/* --- ACCESS --- */
.sec-access { background: var(--bg); }
.access-grid { display: grid; grid-template-columns: 1fr; max-width: 620px; margin: 0 auto; }
.info-dl { border-top: 1px solid var(--border); }
.info-row { display: grid; grid-template-columns: 72px 1fr; gap: 24px; padding: 20px 0; border-bottom: 1px solid var(--border); }
.info-dl dt { font-family: var(--sans); font-size: .66rem; letter-spacing: .22em; color: var(--gold); font-weight: 300; padding-top: 2px; }
.info-dl dd { font-size: .88rem; color: var(--ink-mid); line-height: 1.95; letter-spacing: .05em; }
.info-dl dd a { color: var(--gold); text-decoration: underline; text-underline-offset: 3px; }

/* --- FOOTER --- */
.footer { background: var(--black); padding: 64px 0 40px; }
.footer-top { display: flex; justify-content: space-between; align-items: flex-start; padding-bottom: 44px; border-bottom: 1px solid rgba(197,133,42,.15); margin-bottom: 36px; }
.footer-logo { font-size: 1.25rem; letter-spacing: .3em; color: var(--gold); font-weight: 500; }
.footer-nav { display: flex; gap: 32px; flex-wrap: wrap; justify-content: flex-end; }
.footer-nav a { font-family: var(--sans); font-size: .73rem; letter-spacing: .16em; color: rgba(253,246,238,.25); font-weight: 300; transition: color .2s; }
.footer-nav a:hover { color: var(--gold); }
.footer-addr { display: block; font-style: normal; font-family: var(--sans); font-size: .76rem; color: rgba(253,246,238,.22); letter-spacing: .06em; line-height: 1.9; text-align: center; margin-bottom: 24px; }
.footer-addr a { color: rgba(253,246,238,.55); text-decoration: underline; text-underline-offset: 3px; }
.footer-copy { text-align: center; font-family: var(--sans); font-size: .62rem; color: rgba(253,246,238,.12); letter-spacing: .1em; }

/* --- RESPONSIVE --- */
@media (max-width: 960px) {
  .hero-vert { display: none; }
  .container { padding: 0 28px; }
  .sec { padding: 80px 0; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .hero-content { padding: 40px 40px; }
  .philo-block, .philo-block--rev { grid-template-columns: 1fr; gap: 40px; }
  .philo-block--rev .philo-img { order: 0; }
  .chef-inner { grid-template-columns: 1fr; gap: 48px; text-align: center; }
  .chef-portrait { margin: 0 auto; }
  .chef-name::after { left: 50%; transform: translateX(-50%); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .rooms-grid { grid-template-columns: 1fr; gap: 40px; }
  .access-grid { grid-template-columns: 1fr; gap: 48px; }
  .footer-top { flex-direction: column; gap: 28px; }
  .footer-nav { justify-content: flex-start; }
  .reserve-btns { flex-direction: column; align-items: center; }
}
@media (max-width: 560px) {
  .hero-title { font-size: 3.2rem; }
  .hero-content { padding: 32px 28px; }
  .gallery-grid { grid-template-columns: 1fr; }
  .info-row { grid-template-columns: 56px 1fr; gap: 14px; }
}