/* ============================================================
   居酒屋サイト テンプレート スタイルシート
   配色: 温かみのある木目調 × 朱色
   ============================================================ */

:root {
  /* パレット（固定のテンプレートカラー） */
  --color-bg: #FAF6EF;
  --color-bg-alt: #F3ECDF;
  --color-surface: #FFFFFF;
  --color-dark: #2A1E19;
  --color-dark-2: #3E2B23;
  --color-dark-3: #241813;
  --color-border: #E4D8C4;
  --color-on-dark: #FAF6EF;
  --color-on-dark-muted: #D9CBB8;

  /* config.js から script.js が上書きするアクセントカラー（初期値はデフォルト設定と一致） */
  --color-accent: #C0392B;
  --color-accent-dark: #9C2C1F;
  --color-sub: #D9A441;

  --font-heading: 'Kaisei Decol', 'Hiragino Mincho ProN', 'Yu Mincho', serif;
  --font-body: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;

  --header-height: 64px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --shadow-card: 0 8px 24px rgba(42, 30, 25, 0.1);
  --shadow-elevated: 0 12px 32px rgba(42, 30, 25, 0.18);
  --transition-base: 200ms ease;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}
body {
  margin: 0;
  padding-top: 38px;
  background: var(--color-bg);
  color: var(--color-dark);
  font-family: var(--font-body);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
.portfolio-notice {
  position: fixed;
  inset: 0 0 auto;
  z-index: 900;
  background: #fff3cf;
  color: #4b3212;
  border-bottom: 1px solid #e6c777;
  padding: 8px 20px;
  text-align: center;
  font-size: 0.78rem;
  line-height: 1.5;
}
.site-header { inset-block-start: 38px; }
@media (max-width: 620px) {
  body { padding-top: 58px; }
  .site-header { inset-block-start: 58px; }
}
img { max-width: 100%; display: block; }
ul { list-style: none; margin: 0; padding: 0; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--font-heading); margin: 0; line-height: 1.4; }
p { margin: 0; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 4px;
}
[hidden] { display: none !important; }

.container {
  width: 100%;
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: 20px;
}

.section { padding-block: 64px; scroll-margin-top: var(--header-height); }
.section:nth-of-type(even) { background: var(--color-bg-alt); }

.section-eyebrow {
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--color-accent);
  font-size: 0.85rem;
  margin: 0 0 8px;
}
.section-title {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  margin-bottom: 32px;
  color: var(--color-dark-2);
}

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  background: var(--color-dark-2);
  color: var(--color-on-dark);
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  z-index: 1000;
  transition: top var(--transition-base);
}
.skip-link:focus { top: 12px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.02em;
  transition: transform var(--transition-base), box-shadow var(--transition-base), background-color var(--transition-base), color var(--transition-base);
  white-space: nowrap;
}
.btn-icon { width: 1.1em; height: 1.1em; }
.btn-accent {
  background: var(--color-accent);
  color: #ffffff;
  box-shadow: var(--shadow-card);
}
.btn-accent:hover, .btn-accent:focus-visible {
  background: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-elevated);
}
.btn-outline {
  background: transparent;
  color: var(--color-on-dark);
  border: 2px solid var(--color-on-dark);
}
.btn-outline:hover, .btn-outline:focus-visible {
  background: var(--color-on-dark);
  color: var(--color-dark-2);
  transform: translateY(-2px);
}
.btn-lg { padding: 16px 34px; font-size: 1.05rem; }
.btn-sm { padding: 10px 20px; font-size: 0.9rem; }

/* ============ Header ============ */
.site-header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  height: var(--header-height);
  background: rgba(62, 43, 35, 0.96);
  backdrop-filter: blur(6px);
  z-index: 500;
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
}
.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-on-dark);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.15rem;
}
.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  font-size: 1.1rem;
}
.footer-brand .logo-mark { background: var(--color-accent); }

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.site-nav ul {
  display: flex;
  gap: 24px;
}
.site-nav a:not(.btn) {
  color: var(--color-on-dark-muted);
  font-weight: 500;
  position: relative;
  padding-block: 4px;
}
.site-nav a:not(.btn):hover,
.site-nav a:not(.btn):focus-visible {
  color: var(--color-on-dark);
}
.site-nav a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--color-sub);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}
.site-nav a:not(.btn):hover::after,
.site-nav a:not(.btn):focus-visible::after { transform: scaleX(1); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 8px;
}
.nav-toggle-bar {
  display: block;
  height: 2px;
  background: var(--color-on-dark);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-scrim {
  position: fixed;
  inset: var(--header-height) 0 0 0;
  background: rgba(0,0,0,0.4);
  z-index: 400;
}

@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .site-nav {
    position: fixed;
    inset-inline: 0;
    top: var(--header-height);
    background: var(--color-dark-2);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 20px 24px;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-base), opacity var(--transition-base);
    z-index: 450;
  }
  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .site-nav ul {
    flex-direction: column;
    gap: 0;
  }
  .site-nav ul li a {
    display: block;
    padding: 14px 4px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .site-nav .btn { margin-top: 16px; width: 100%; }
}

/* ============ Hero ============ */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: flex-end;
  color: var(--color-on-dark);
  overflow: hidden;
}
.hero-media { position: absolute; inset: 0; z-index: 0; }
.hero-img { width: 100%; height: 100%; object-fit: cover; }
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(36,24,19,0.35) 0%, rgba(36,24,19,0.55) 55%, rgba(36,24,19,0.92) 100%);
}
.hero-content {
  position: relative;
  z-index: 1;
  padding-block: 64px 96px;
}
.hero-eyebrow {
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-sub);
  margin-bottom: 12px;
  font-size: 1rem;
}
.hero-title {
  font-size: clamp(2rem, 6vw, 3.4rem);
  margin-bottom: 32px;
  text-shadow: 0 2px 16px rgba(0,0,0,0.35);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }

.scroll-cue {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  width: 30px;
  height: 46px;
  border: 2px solid var(--color-on-dark-muted);
  border-radius: 999px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
}
.scroll-cue-line {
  width: 3px;
  height: 8px;
  background: var(--color-sub);
  border-radius: 2px;
  animation: scrollCue 1.6s ease infinite;
}
@keyframes scrollCue {
  0% { transform: translateY(0); opacity: 1; }
  70% { transform: translateY(12px); opacity: 0; }
  100% { opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .scroll-cue-line { animation: none; }
}

/* ============ About ============ */
.about-grid {
  display: grid;
  gap: 32px;
}
.about-media img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.about-line { margin-bottom: 14px; font-size: 1.02rem; }
.about-line:last-child { margin-bottom: 0; }

@media (min-width: 860px) {
  .about-grid {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 56px;
  }
}

/* ============ CTA band ============ */
.cta-band {
  background: var(--color-dark-2);
  color: var(--color-on-dark);
  padding-block: 32px;
}
.cta-band-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 20px;
  text-align: center;
}
.cta-band-text { font-size: 1.05rem; font-weight: 500; }

/* ============ Menu ============ */
.menu-category { margin-bottom: 48px; }
.menu-category:last-of-type { margin-bottom: 24px; }
.menu-category-title {
  font-size: 1.4rem;
  color: var(--color-dark-2);
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-sub);
  display: inline-block;
}
.menu-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: 1fr;
}
@media (min-width: 640px) {
  .menu-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1000px) {
  .menu-grid:not(.menu-grid--dish) { grid-template-columns: repeat(3, 1fr); }
  .menu-grid--dish { grid-template-columns: repeat(3, 1fr); }
}

.menu-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.menu-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-elevated); }
.menu-card img { aspect-ratio: 4 / 3; object-fit: cover; width: 100%; }
.menu-card--sm img { aspect-ratio: 1 / 1; }
.menu-card-body { padding: 18px 20px; }
.menu-card-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 8px;
}
.menu-card-head h4 { font-size: 1.05rem; color: var(--color-dark-2); }
.menu-card-sub { font-size: 0.8rem; color: var(--color-accent); font-weight: 500; margin-left: 4px; }
.menu-price { font-weight: 700; color: var(--color-accent); white-space: nowrap; }
.menu-desc { font-size: 0.92rem; color: #5a4a40; }

.menu-note { margin-top: 8px; font-size: 0.85rem; color: #6b5c50; }

.drink-columns {
  display: grid;
  gap: 32px;
  grid-template-columns: 1fr;
}
@media (min-width: 640px) {
  .drink-columns { grid-template-columns: repeat(2, 1fr); }
}
.drink-group-title {
  font-size: 1.05rem;
  color: var(--color-dark-2);
  margin-bottom: 12px;
}
.drink-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--color-border);
}
.drink-name { color: var(--color-dark); }
.drink-price { font-weight: 700; color: var(--color-accent); white-space: nowrap; }

/* ============ Gallery ============ */
.gallery-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 640px) {
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1000px) {
  .gallery-grid { grid-template-columns: repeat(4, 1fr); }
}
.gallery-grid li {
  overflow: hidden;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-card);
  aspect-ratio: 1 / 1;
}
.gallery-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 320ms ease;
}
.gallery-grid li:hover img,
.gallery-grid li:focus-within img { transform: scale(1.08); }

/* ============ Access ============ */
.access-grid {
  display: grid;
  gap: 40px;
}
@media (min-width: 900px) {
  .access-grid { grid-template-columns: 1fr 1fr; align-items: start; }
}
.info-list { margin-bottom: 28px; }
.info-row {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 16px;
  padding-block: 14px;
  border-bottom: 1px solid var(--color-border);
}
.info-row:first-child { padding-top: 0; }
.info-row dt { font-weight: 700; color: var(--color-dark-2); }
.info-row dd { margin: 0; }
.tel-link { color: var(--color-accent); font-weight: 700; font-size: 1.1rem; }
.tel-link:hover, .tel-link:focus-visible { text-decoration: underline; }

.hours-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 6px;
}
.hours-list li:last-child { margin-bottom: 0; }
.hours-days {
  flex-shrink: 0;
  min-width: 84px;
  font-weight: 700;
  color: var(--color-dark-2);
}

.access-map { width: 100%; }
.map-frame {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-dark-2);
  box-shadow: var(--shadow-card);
}
.map-frame iframe { width: 100%; height: 100%; border: 0; }
.map-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--color-on-dark-muted);
  text-align: center;
  padding: 24px;
}
.map-placeholder svg { width: 48px; height: 48px; color: var(--color-sub); }
.map-fallback-link {
  color: var(--color-sub);
  font-weight: 700;
  padding: 8px 16px;
  border: 1px solid var(--color-sub);
  border-radius: 999px;
  transition: background-color var(--transition-base), color var(--transition-base);
}
.map-fallback-link:hover, .map-fallback-link:focus-visible {
  background: var(--color-sub);
  color: var(--color-dark-3);
}

/* ============ Footer ============ */
.site-footer {
  background: var(--color-dark-3);
  color: var(--color-on-dark-muted);
  padding-block: 48px 32px;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--color-on-dark);
}
.sns-list {
  display: flex;
  gap: 16px;
}
.sns-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid rgba(250, 246, 239, 0.3);
  color: var(--color-on-dark);
  transition: background-color var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
}
.sns-link svg { width: 20px; height: 20px; }
.sns-link:hover, .sns-link:focus-visible {
  background: var(--color-accent);
  border-color: var(--color-accent);
  transform: translateY(-3px);
}
.footer-copy { font-size: 0.85rem; }

/* ============ Scroll to top ============ */
.scroll-top-btn {
  position: fixed;
  right: 20px;
  bottom: 88px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-dark-2);
  color: var(--color-on-dark);
  box-shadow: var(--shadow-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 300;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--transition-base), transform var(--transition-base), background-color var(--transition-base);
}
.scroll-top-btn.is-visible { opacity: 1; transform: translateY(0); }
.scroll-top-btn[hidden] { display: none; }
.scroll-top-btn svg { width: 22px; height: 22px; }
.scroll-top-btn:hover, .scroll-top-btn:focus-visible { background: var(--color-accent); }

@media (min-width: 861px) {
  .scroll-top-btn { bottom: 24px; }
}

/* ============ Mobile CTA bar ============ */
.mobile-cta-bar {
  position: fixed;
  inset-inline: 0;
  bottom: 0;
  display: flex;
  z-index: 350;
  box-shadow: 0 -4px 16px rgba(0,0,0,0.15);
}
.mobile-cta-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 10px;
  font-weight: 700;
}
.mobile-cta-btn svg { width: 20px; height: 20px; }
.mobile-cta-tel {
  background: var(--color-dark-2);
  color: var(--color-on-dark);
}
.mobile-cta-reserve {
  background: var(--color-accent);
  color: #fff;
}
.mobile-cta-tel:hover, .mobile-cta-tel:focus-visible { background: var(--color-dark-3); }
.mobile-cta-reserve:hover, .mobile-cta-reserve:focus-visible { background: var(--color-accent-dark); }

@media (max-width: 860px) {
  .site-footer { padding-bottom: 96px; }
}

@media (min-width: 861px) {
  .mobile-cta-bar { display: none; }
}