/* =========================================================
   Le Poêlon — 仮トップ
   color palette: warm ivory / charcoal brown / antique gold
   ========================================================= */

:root {
  --ivory: #f7f1e6;
  --ivory-2: #efe6d5;
  --paper: #fbf7ef;
  --ink: #2a1f15;
  --ink-soft: #5a4633;
  --line: #d6c9b1;
  --gold: #a07a3c;
  --gold-deep: #7d5b25;
  --accent: #9c3b2c;
  --max: 1180px;
  --serif-en: "Cormorant Garamond", "Times New Roman", serif;
  --serif-jp: "Noto Serif JP", "ヒラギノ明朝 ProN", "Hiragino Mincho ProN", serif;
  --sans-jp: "Noto Sans JP", "ヒラギノ角ゴ ProN", "Hiragino Kaku Gothic ProN", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans-jp);
  font-size: 16px;
  line-height: 1.9;
  letter-spacing: 0.04em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: opacity .25s ease, color .25s ease; }
a:hover { opacity: .7; }
ul { list-style: none; padding: 0; margin: 0; }

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(251, 247, 239, 0.94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  /* border-bottom: 1px solid var(--line); */
}
.notice-bar {
  background: var(--ink);
  color: var(--ivory);
  text-align: center;
  font-size: 12px;
  letter-spacing: 0.08em;
  padding: 8px 16px;
}
.notice-bar p { margin: 0; }

.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
  justify-content: space-between;
}
.logo-link { flex-shrink: 0; }
.logo-img { width: 240px; height: auto; }

.main-nav ul {
  display: flex;
  gap: 32px;
  margin-left: auto;
}
.main-nav a {
  font-family: var(--serif-en);
  font-size: 20px;
  letter-spacing: 0.16em;
  color: var(--ink);
  padding: 6px 0;
  position: relative;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width .3s ease;
}
.main-nav a:hover { opacity: 1; }
.main-nav a:hover::after { width: 100%; }

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}
.header-tel {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  line-height: 1.2;
  padding-left: 12px;
  border-left: 1px solid var(--line);
}
.tel-label {
  font-family: var(--serif-en);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gold-deep);
}
.tel-num {
  font-family: var(--serif-en);
  font-size: 32px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--ink);
}

.web-reservation-btn {
  width: min(100%, 320px);
  min-height: 68px;
  padding: 12px 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--gold);
  background: var(--gold-deep);
  color: var(--ivory);
  text-align: center;
  transition: background .25s ease, color .25s ease, opacity .25s ease;
}
.web-reservation-btn:hover {
  opacity: 1;
  background: var(--gold);
  color: #fff;
}
.web-reservation-btn-en {
  font-family: var(--serif-en);
  font-size: 11px;
  line-height: 1.2;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}
.web-reservation-btn-ja {
  margin-top: 3px;
  font-family: var(--serif-jp);
  font-size: 15px;
  line-height: 1.4;
  letter-spacing: 0.14em;
}
.web-reservation-btn--header {
  width: 116px;
  min-height: 56px;
  padding: 8px 12px;
}
.web-reservation-btn--header .web-reservation-btn-ja {
  font-size: 13px;
}
.mobile-reservation { display: none; }

.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  width: 36px; height: 36px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  padding: 0;
}
.nav-toggle span {
  display: block;
  width: 26px; height: 1px;
  background: var(--ink);
  transition: transform .3s ease, opacity .3s ease;
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  overflow: hidden;
  margin-top: 100px;
}
.hero-bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
  animation: kenburns 12s ease-out forwards;
}
@keyframes kenburns {
  from { transform: scale(1.12); }
  to { transform: scale(1.02); }
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(20,12,6,.55) 0%, rgba(20,12,6,1.72) 100%);
}
.hero-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
  padding: 0 24px 140px;
  width: 100%;
  max-width: 900px;
}
.hero-notice {
  font-family: var(--serif-jp);
  font-size: clamp(18px, 2.8vw, 18px);
  font-weight: 400;
  letter-spacing: 0.12em;
  line-height: 1.9;
  margin: 0 0 56px;
  padding: 28px 36px;
  border: 1px solid rgba(255,255,255,.5);
  text-shadow: 0 2px 16px rgba(0,0,0,.7);
  opacity: 0;
  animation: fadeUp 1.2s .2s ease forwards;
}
.hero-tagline {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 18px;
  letter-spacing: 0.3em;
  margin: 0 0 20px;
  text-shadow: 0 2px 12px rgba(0,0,0,.55);
  opacity: 0;
  animation: fadeUp 1.2s .3s ease forwards;
}
.hero-title-text {
  font-family: var(--serif-jp);
  font-weight: 400;
  font-size: clamp(16px, 2.1vw, 22px);
  letter-spacing: 0.18em;
  line-height: 1.9;
  margin: 0 0 1.5em;
  text-shadow: 0 2px 12px rgba(0,0,0,.55);
  opacity: 0;
  animation: fadeUp 1.4s .6s ease forwards;
}
.hero-scroll {
  position: absolute;
  bottom: 28px; left: 50%;
  transform: translateX(-50%);
  margin: 0;
  font-family: var(--serif-en);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: #fff;
  z-index: 3;
  opacity: 0;
  left: auto;
  animation: fadeUp 1.4s 1.2s ease forwards;
}
.hero-scroll span { display: block; padding-bottom: 48px; position: relative; }
.hero-scroll span::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 0;
  width: 1px; height: 36px;
  background: rgba(255,255,255,.7);
  animation: scrollLine 2s infinite ease-in-out;
}
@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== Section common ===== */
.section {
  padding: 120px 24px;
  position: relative;
}
.section-inner {
  max-width: var(--max);
  margin: 0 auto;
}
.section-head {
  text-align: center;
  margin-bottom: 64px;
}
.en-label {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 14px;
  letter-spacing: 0.4em;
  color: var(--gold-deep);
  margin: 0 0 16px;
  text-transform: lowercase;
}
.en-label::before,
.en-label::after {
  content: "—";
  margin: 0 12px;
  color: var(--line);
}
.ja-title {
  font-family: var(--serif-jp);
  font-weight: 400;
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1.6;
  letter-spacing: 0.12em;
  margin: 0;
  color: var(--ink);
}
.lead {
  margin-top: 24px;
  font-family: var(--serif-jp);
  font-size: 15px;
  color: var(--ink-soft);
  letter-spacing: 0.1em;
}

/* ===== Concept ===== */
.concept {
  background:
    radial-gradient(ellipse at 20% 0%, rgba(160,122,60,.06), transparent 60%),
    var(--paper);
}
.concept-body {
  max-width: 720px;
  margin: 0 auto 80px;
  font-family: var(--serif-jp);
  font-weight: 300;
}
.concept-body p {
  margin: 0 0 1.6em;
  font-size: 16px;
  line-height: 2.2;
  letter-spacing: 0.1em;
}
.concept-gallery {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 24px;
  align-items: end;
}
.concept-gallery figure { margin: 0; overflow: hidden; }
.concept-gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .8s ease;
}
.concept-gallery figure:hover img { transform: scale(1.05); }
.cg-1 { aspect-ratio: 4/5; }
.cg-2 { aspect-ratio: 4/5; transform: translateY(-30px); }
.cg-3 { aspect-ratio: 4/5; }

/* ===== Message (ご挨拶) ===== */
.message {
  position: relative;
  padding: 160px 24px;
  overflow: hidden;
  background: var(--ink);
  color: var(--ivory);
}
.message-bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.28;
  filter: saturate(0.85);
}
.message::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(20,12,6,.65), rgba(20,12,6,.85));
  pointer-events: none;
}
.message .section-inner {
  position: relative;
  z-index: 2;
}
.message-card {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}
.message .en-label { color: var(--gold); }
.message .en-label::before,
.message .en-label::after { color: rgba(160,122,60,.5); }
.message .ja-title {
  color: var(--ivory);
  margin-bottom: 56px;
}
.message-body {
  font-family: var(--serif-jp);
  font-weight: 300;
  text-align: left;
}
.message-body p {
  margin: 0 0 1.4em;
  font-size: 15.5px;
  line-height: 2.2;
  letter-spacing: 0.1em;
  color: rgba(247,241,230,.92);
}
.message-emphasis {
  margin: 40px 0;
  padding: 28px 0;
  border-top: 1px solid rgba(160,122,60,.4);
  border-bottom: 1px solid rgba(160,122,60,.4);
  font-family: var(--serif-jp);
  font-size: clamp(17px, 2vw, 21px);
  letter-spacing: 0.18em;
  line-height: 2;
  color: var(--gold);
  text-align: center;
}
.message-emphasis span { display: block; }

/* ===== Menu / Course ===== */
.menu {
  background: linear-gradient(180deg, var(--ivory) 0%, var(--paper) 100%);
}

/* ===== お食事への想い ===== */
.philosophy {
  margin: 24px 0 96px;
}
.philosophy-head {
  text-align: center;
  margin-bottom: 56px;
}
.ja-subtitle {
  font-family: var(--serif-jp);
  font-weight: 400;
  font-size: clamp(22px, 3vw, 28px);
  letter-spacing: 0.16em;
  margin: 0;
  color: var(--ink);
}
.philosophy-grid {
  display: flex;
  flex-direction: column;
  gap: 64px;
}
.philosophy-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.philosophy-card--reverse { direction: rtl; }
.philosophy-card--reverse > * { direction: ltr; }
.philosophy-img {
  margin: 0;
  overflow: hidden;
  background: var(--ivory);
}
.philosophy-img img {
  width: 100%;
  aspect-ratio: 5/4;
  object-fit: cover;
  transition: transform .8s ease;
}
.philosophy-card:hover .philosophy-img img { transform: scale(1.04); }
.philosophy-text { padding: 8px 0; }
.card-label {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 12px;
  letter-spacing: 0.28em;
  color: var(--gold-deep);
  margin: 0 0 16px;
  text-transform: lowercase;
}
.philosophy-text h4 {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: clamp(19px, 2.2vw, 24px);
  letter-spacing: 0.14em;
  line-height: 1.6;
  margin: 0 0 24px;
  padding-bottom: 18px;
  position: relative;
}
.philosophy-text h4::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 40px; height: 1px;
  background: var(--gold);
}
.philosophy-text p {
  margin: 0 0 1em;
  font-family: var(--serif-jp);
  font-weight: 300;
  font-size: 14.5px;
  line-height: 2.1;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}

.course-block {
  max-width: 880px;
  margin: 0 auto 64px;
}
.course-block:last-of-type { margin-bottom: 24px; }
.course-block-head {
  text-align: center;
  margin-bottom: 32px;
  position: relative;
}
.course-block-head::after {
  content: "";
  display: block;
  width: 40px;
  height: 1px;
  background: var(--gold);
  margin: 18px auto 0;
}
.course-block-en {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0.36em;
  color: var(--gold-deep);
  margin: 0 0 6px;
  text-transform: lowercase;
}
.course-block-title {
  font-family: var(--serif-jp);
  font-weight: 400;
  font-size: clamp(20px, 2.4vw, 26px);
  letter-spacing: 0.18em;
  margin: 0;
  color: var(--ink);
}

.course-prices {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 760px;
  margin: 0 auto 12px;
}
.course-prices--single {
  grid-template-columns: minmax(280px, 480px);
  justify-content: center;
}
.course-sub {
  margin: 10px 0 0;
  font-family: var(--serif-jp);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  line-height: 1.6;
  color: var(--ink-soft);
  border-top: 1px dashed var(--line);
  padding-top: 10px;
}
.course-note--block {
  margin: 14px 0 0;
}
.course-card {
  background: #fff;
  border: 1px solid var(--line);
  padding: 36px 28px;
  text-align: center;
  position: relative;
}
.course-card--featured {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--ivory);
}
.course-card--featured .course-price { color: var(--ivory); }
.course-card--featured::before {
  content: "Recommend";
  position: absolute;
  top: -10px; left: 50%;
  transform: translateX(-50%);
  background: var(--gold);
  color: #fff;
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 11px;
  letter-spacing: 0.2em;
  padding: 3px 14px;
  border-radius: 999px;
}
.course-name {
  font-family: var(--serif-en);
  font-size: 14px;
  letter-spacing: 0.3em;
  color: var(--gold-deep);
  margin: 0 0 8px;
}
.course-card--featured .course-name { color: var(--gold); }
.course-price {
  font-family: var(--serif-en);
  font-size: 36px;
  font-weight: 500;
  margin: 0 0 4px;
  color: var(--ink);
  letter-spacing: 0.04em;
}
.course-price span {
  font-size: 13px;
  font-family: var(--serif-jp);
  margin-left: 4px;
  letter-spacing: 0.08em;
}
.course-desc {
  margin: 0;
  font-family: var(--serif-jp);
  font-size: 14px;
  letter-spacing: 0.1em;
}
.course-note {
  text-align: center;
  font-size: 13px;
  color: var(--ink-soft);
  margin: 24px 0 48px;
  letter-spacing: 0.08em;
}

.dish-disclaimer {
  text-align: center;
  font-family: var(--serif-jp);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--gold-deep);
  margin: 0 0 32px;
  padding: 10px 18px;
  display: inline-block;
  position: relative;
  left: 50%;
  transform: translateX(-50%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.dish-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 32px 24px;
}
.dish { margin: 0; }
.dish img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  transition: transform .8s ease, filter .4s ease;
}
.dish:hover img { transform: scale(1.04); filter: brightness(1.05); }
.dish figcaption {
  margin-top: 14px;
  font-family: var(--serif-jp);
  font-size: 14px;
  letter-spacing: 0.1em;
  line-height: 1.6;
  text-align: center;
  color: var(--ink);
}

.course-reservation-cta {
  max-width: 640px;
  margin: 72px auto 0;
  padding: 42px 24px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: center;
}
.course-reservation-cta p {
  margin: 0 0 20px;
  font-family: var(--serif-jp);
  font-size: 14px;
  letter-spacing: 0.16em;
}
.course-reservation-cta .web-reservation-btn {
  margin: 0 auto;
}
.dish-en {
  display: block;
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--gold-deep);
  margin-bottom: 4px;
}

/* ===== Info ===== */
.info {
  background: var(--ivory);
}
.info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.info-card {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 40px 36px;
}
.info-card h3 {
  font-family: var(--serif-jp);
  font-size: 18px;
  letter-spacing: 0.16em;
  margin: 0 0 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  position: relative;
}
.info-card h3::before {
  content: "";
  position: absolute;
  left: 0; bottom: -1px;
  width: 48px; height: 1px;
  background: var(--gold);
}
.info-card p {
  margin: 0 0 12px;
  font-size: 14.5px;
  letter-spacing: 0.08em;
  line-height: 2;
}
.cancel-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 16px 0;
  padding: 16px 20px;
  background: #fff;
  border: 1px dashed var(--line);
}
.cancel-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 14px;
}
.cancel-list b {
  font-family: var(--serif-en);
  font-size: 22px;
  font-weight: 500;
  color: var(--accent);
}
.note-list {
  margin-top: 12px;
}
.note-list li {
  position: relative;
  padding-left: 1.2em;
  font-size: 13px;
  line-height: 1.9;
  color: var(--ink-soft);
}
.note-list li::before {
  content: "※";
  position: absolute;
  left: 0;
  color: var(--gold-deep);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--ink);
  color: var(--ivory);
  padding: 100px 24px 40px;
  position: relative;
}
.footer-inner {
  max-width: 960px;
  margin: 0 auto;
  text-align: center;
}
.footer-logo {
  width: 340px;
  margin: 0 auto 48px;
  /* background: var(--ivory); */
  padding: 20px 24px;
  /* border: 1px solid var(--gold); */
}
.footer-logo img {
  filter: brightness(0) invert(1);
}
.shop-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 32px 24px;
  margin: 0 0 56px;
  text-align: left;
}
.shop-info > div {
  border-top: 1px solid rgba(214,201,177,0.25);
  padding-top: 18px;
}
.shop-info dt {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 12px;
  letter-spacing: 0.25em;
  color: var(--gold);
  margin: 0 0 8px;
  text-transform: lowercase;
}
.shop-info dd {
  margin: 0;
  font-family: var(--serif-jp);
  font-size: 14px;
  line-height: 1.9;
  letter-spacing: 0.08em;
}
.shop-info dd a:hover { color: var(--gold); opacity: 1; }
.shop-info small { font-size: 12px; color: rgba(247,241,230,0.6); }

.footer-cta {
  margin-bottom: 48px;
  padding: 36px 24px;
  border: 1px solid rgba(160,122,60,0.35);
}
.footer-msg {
  margin: 0 0 8px;
  font-family: var(--serif-jp);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--gold);
}
.footer-tel {
  font-family: var(--serif-en);
  font-size: 36px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--ivory);
}
.footer-tel:hover { color: var(--gold); opacity: 1; }
.web-reservation-btn--footer {
  margin: 24px auto 0;
  border-color: var(--gold);
}

.copyright {
  margin: 0;
  font-family: var(--serif-en);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: rgba(247,241,230,0.45);
}

/* ===== Access ===== */
.access {
  background: var(--paper);
  padding: 120px 24px 100px;
}
.access-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 48px;
  align-items: stretch;
}
.access-map {
  position: relative;
  overflow: hidden;
  min-height: 420px;
  border: 1px solid var(--line);
  background: var(--ivory);
}
.access-map iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}
.access-info {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 24px;
}
.access-list {
  margin: 0;
  display: grid;
  gap: 28px;
}
.access-list > div {
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.access-list > div:first-child {
  border-top: 0;
  padding-top: 0;
}
.access-list dt {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 12px;
  letter-spacing: 0.28em;
  color: var(--gold-deep);
  margin: 0 0 8px;
  text-transform: lowercase;
}
.access-list dt::after {
  content: "";
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--gold);
  margin-left: 12px;
  vertical-align: middle;
}
.access-list dd {
  margin: 0;
  font-family: var(--serif-jp);
  font-size: 15px;
  line-height: 1.9;
  letter-spacing: 0.08em;
  color: var(--ink);
}
.access-list small {
  display: inline-block;
  margin-top: 4px;
  font-size: 12px;
  color: var(--ink-soft);
}
.access-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 28px;
  margin-top: 12px;
  background: var(--ink);
  color: var(--ivory);
  font-family: var(--serif-en);
  font-size: 13px;
  letter-spacing: 0.2em;
  border: 1px solid var(--ink);
  transition: background .3s ease, color .3s ease;
  text-align: center;
}
.access-btn:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: #fff;
  opacity: 1;
}

.back-to-top {
  position: fixed;
  right: 24px; bottom: 24px;
  z-index: 99;
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ink);
  color: var(--ivory);
  border: 1px solid var(--gold);
  font-size: 18px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease;
}
.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
}
.back-to-top:hover {
  background: var(--gold);
  opacity: 1;
}

/* ===== Reveal animation ===== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .9s ease, transform .9s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .header-inner { padding: 12px 16px; gap: 12px; }
  .logo-img { width: 130px; }
  .header-actions { display: none; }
  .main-nav {
    position: fixed;
    top: 0; right: -100%;
    width: 80%;
    max-width: 360px;
    height: 100vh;
    background: var(--paper);
    padding: 100px 32px;
    transition: right .35s ease;
    border-left: 1px solid var(--line);
    overflow-y: auto;
  }
  .main-nav.is-open { right: 0; }
  .main-nav ul {
    flex-direction: column;
    gap: 24px;
  }
  .main-nav a {
    font-size: 22px;
    display: block;
    padding: 8px 0;
    border-bottom: 1px solid var(--line);
  }
  .main-nav .web-reservation-btn {
    display: flex;
    width: 100%;
    min-height: 64px;
    padding: 10px 18px;
    border: 1px solid var(--gold);
    color: var(--ivory);
  }
  .main-nav .web-reservation-btn::after { display: none; }
  .mobile-reservation {
    display: block;
    margin-top: 36px;
    padding-top: 28px;
    border-top: 1px solid var(--line);
    text-align: center;
  }
  .mobile-reservation p {
    margin: 0 0 4px;
    font-family: var(--serif-jp);
    font-size: 12px;
    letter-spacing: 0.14em;
    color: var(--gold-deep);
  }
  .main-nav .mobile-nav-tel {
    margin-bottom: 18px;
    padding: 0;
    border: 0;
    font-family: var(--serif-en);
    font-size: 28px;
    letter-spacing: 0.06em;
  }
  .main-nav .mobile-nav-tel::after { display: none; }
  .nav-toggle {
    display: flex;
    margin-left: auto;
  }
  .hero { margin-top: 78px; min-height: 80vh; }
  .hero-title { padding: 24px 20px 18px; }
  .hero-sub { font-size: 14px; }
  .section { padding: 80px 20px; }
  .section-head { margin-bottom: 40px; }
  .concept-gallery {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .cg-2 { transform: none; }
  .cg-3 { display: none; }
  .course-prices { grid-template-columns: 1fr; }
  .course-prices--single { grid-template-columns: 1fr; }
  .course-block { margin-bottom: 48px; }
  .info-grid { grid-template-columns: 1fr; gap: 20px; }
  .info-card { padding: 28px 22px; }
  .dish-gallery { grid-template-columns: repeat(2, 1fr); gap: 20px 12px; }
  .course-reservation-cta { margin-top: 56px; padding: 36px 16px; }
  .footer-tel { font-size: 28px; }

  .access { padding: 80px 20px 80px; }
  .access-grid { grid-template-columns: 1fr; gap: 32px; }
  .access-map { min-height: 320px; }

  .message { padding: 96px 20px; }
  .message-emphasis { margin: 32px 0; padding: 22px 0; }

  .philosophy-grid { gap: 48px; }
  .philosophy-card,
  .philosophy-card--reverse {
    grid-template-columns: 1fr;
    gap: 24px;
    direction: ltr;
  }
  .philosophy-img img { aspect-ratio: 3/2; }
}

@media (max-width: 480px) {
  .notice-bar { font-size: 11px; padding: 6px 12px; }
  .dish-gallery { grid-template-columns: 1fr; }
  .shop-info { grid-template-columns: 1fr; }
}