/* =============================================
   北新地 平八 - レスポンシブデザイン
   共通スタイルシート
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@300;400;500;600&family=Shippori+Mincho:wght@400;500;600&display=swap');

/* リセット & ベース */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-bg: #f5f0eb;
  --color-dark: #2a1f15;
  --color-brown: #6b4226;
  --color-brown-light: #9c6b47;
  --color-gold: #b8974a;
  --color-gold-light: #d4b96a;
  --color-cream: #faf6f0;
  --color-text: #3a2d23;
  --color-text-light: #6b5a4e;
  --color-border: #d4c4b4;
  --font-serif: 'Shippori Mincho', 'Noto Serif JP', serif;
  --transition: 0.3s ease;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-serif);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.8;
  background-image: 
    radial-gradient(ellipse at 20% 80%, rgba(184,151,74,0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(107,66,38,0.05) 0%, transparent 60%);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-brown);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-gold);
}

/* =============================================
   ヘッダー・ナビゲーション
   ============================================= */

.site-header {
  background-color: var(--color-dark);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 20px rgba(0,0,0,0.4);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header-logo img {
  height: 44px;
  width: auto;
  filter: brightness(1.1);
}

.header-logo-text {
  color: var(--color-gold-light);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  line-height: 1.4;
  display: none;
}

@media (min-width: 480px) {
  .header-logo-text { display: block; }
}

/* ハンバーガーボタン */
.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background-color: var(--color-gold-light);
  transition: var(--transition);
  transform-origin: center;
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 900px) {
  .nav-toggle { display: none; }
}

/* デスクトップナビ */
.site-nav {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  background-color: rgba(26,16,8,0.97);
  backdrop-filter: blur(8px);
  padding: 1.5rem;
  z-index: 999;
}

.site-nav.open { display: block; }

.site-nav ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 1200px;
  margin: 0 auto;
}

.site-nav li a {
  display: block;
  color: var(--color-cream);
  padding: 0.9rem 1rem;
  letter-spacing: 0.12em;
  font-size: 0.9rem;
  border-bottom: 1px solid rgba(212,185,106,0.15);
  transition: all var(--transition);
}

.site-nav li a:hover,
.site-nav li a.active {
  color: var(--color-gold-light);
  padding-left: 1.5rem;
  background-color: rgba(184,151,74,0.08);
}

.site-nav li:last-child a {
  border-bottom: none;
  color: var(--color-gold);
  font-weight: 500;
}

@media (min-width: 900px) {
  .nav-toggle { display: none; }

  .site-nav {
    display: flex !important;
    position: static;
    background: none;
    backdrop-filter: none;
    padding: 0;
    z-index: auto;
  }

  .site-nav ul {
    flex-direction: row;
    gap: 0;
    align-items: center;
  }

  .site-nav li a {
    color: rgba(212,185,106,0.8);
    padding: 0.4rem 0.8rem;
    border-bottom: none;
    font-size: 0.8rem;
    border-left: 1px solid rgba(212,185,106,0.2);
  }

  .site-nav li:first-child a { border-left: none; }

  .site-nav li a:hover,
  .site-nav li a.active {
    color: var(--color-gold-light);
    padding-left: 0.8rem;
    background-color: transparent;
    text-shadow: 0 0 12px rgba(212,185,106,0.4);
  }

  .site-nav li:last-child a {
    background-color: rgba(184,151,74,0.2);
    border-radius: 2px;
    padding: 0.4rem 1rem;
    margin-left: 0.5rem;
    border-left: none;
  }

  .site-nav li:last-child a:hover {
    background-color: rgba(184,151,74,0.35);
  }
}

/* =============================================
   ページバナー（各ページ上部）
   ============================================= */

.page-banner {
  position: relative;
  height: 240px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}

@media (min-width: 768px) {
  .page-banner { height: 320px; }
}

.page-banner-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(0.55);
  transition: transform 0.6s ease;
}

.page-banner:hover .page-banner-bg {
  transform: scale(1.02);
}

.page-banner-content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.page-banner-title {
  color: var(--color-cream);
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 400;
  letter-spacing: 0.15em;
  text-shadow: 0 2px 20px rgba(0,0,0,0.6);
  line-height: 1.3;
}

.page-banner-sub {
  color: var(--color-gold-light);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  margin-top: 0.4rem;
  text-transform: uppercase;
}

/* =============================================
   メインレイアウト
   ============================================= */

.page-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

/* =============================================
   トップページ
   ============================================= */

.top-hero {
  position: relative;
  height: 100svh;
  min-height: 600px;
  overflow: hidden;
}

.top-hero-bg {
  position: absolute;
  inset: 0;
}

.top-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.top-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(26,16,8,0.5) 0%,
    rgba(26,16,8,0.2) 50%,
    rgba(26,16,8,0.55) 100%
  );
}

.top-hero-content {
  position: relative;
  z-index: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  text-align: center;
}

.top-logo {
  width: min(200px, 50vw);
  margin-bottom: 2rem;
  filter: drop-shadow(0 4px 20px rgba(0,0,0,0.5));
  animation: fadeInUp 1s ease 0.3s both;
}

.top-catch {
  color: var(--color-cream);
  font-size: clamp(0.9rem, 2.5vw, 1.1rem);
  letter-spacing: 0.2em;
  text-shadow: 0 2px 10px rgba(0,0,0,0.6);
  margin-bottom: 2.5rem;
  animation: fadeInUp 1s ease 0.6s both;
  line-height: 2;
}

.top-catch-en {
  color: var(--color-gold-light);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: 2rem;
  opacity: 0.8;
  animation: fadeInUp 1s ease 0.8s both;
}

.top-nav-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  width: 100%;
  max-width: 480px;
  animation: fadeInUp 1s ease 1s both;
}

@media (min-width: 600px) {
  .top-nav-grid {
    grid-template-columns: repeat(3, 1fr);
    max-width: 640px;
  }
}

.top-nav-item {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255,255,255,0.12);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(212,185,106,0.3);
  color: var(--color-cream);
  padding: 0.75rem 0.5rem;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  transition: all var(--transition);
  border-radius: 2px;
}

.top-nav-item:hover {
  background-color: rgba(184,151,74,0.25);
  border-color: var(--color-gold-light);
  color: var(--color-gold-light);
  transform: translateY(-2px);
}

.top-nav-item.reserve {
  grid-column: 1 / -1;
  background-color: rgba(184,151,74,0.25);
  border-color: var(--color-gold);
  color: var(--color-gold-light);
  font-size: 0.85rem;
}

@media (min-width: 600px) {
  .top-nav-item.reserve {
    grid-column: auto;
  }
}

.top-nav-item.reserve:hover {
  background-color: rgba(184,151,74,0.45);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* =============================================
   セクション共通
   ============================================= */

.section-header {
  margin-bottom: 2.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
  position: relative;
}

.section-header::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 60px;
  height: 2px;
  background: var(--color-gold);
}

.section-title {
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  font-weight: 400;
  letter-spacing: 0.15em;
  color: var(--color-brown);
  line-height: 1.4;
}

.section-title-en {
  font-size: 0.7rem;
  color: var(--color-gold);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.3rem;
}

/* =============================================
   コンセプトページ
   ============================================= */

.concept-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

@media (min-width: 768px) {
  .concept-layout {
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    align-items: start;
  }
}

.concept-photo {
  position: relative;
}

.concept-photo img {
  width: 100%;
  border-radius: 2px;
  box-shadow: 8px 8px 0 var(--color-border);
}

.concept-photo-caption {
  margin-top: 0.75rem;
  font-size: 0.8rem;
  color: var(--color-text-light);
  text-align: center;
  letter-spacing: 0.1em;
}

.concept-catch {
  margin-bottom: 1.5rem;
}

.concept-catch img {
  max-width: 100%;
}

.concept-text {
  font-size: 0.95rem;
  line-height: 2;
  color: var(--color-text);
  margin-bottom: 1.5rem;
}

.concept-text-sub {
  font-size: 0.9rem;
  line-height: 2;
  color: var(--color-text-light);
  padding: 1.2rem 1.5rem;
  border-left: 3px solid var(--color-gold);
  background-color: var(--color-cream);
  margin-bottom: 1.5rem;
}

.concept-extra {
  font-size: 0.9rem;
  line-height: 2;
  color: var(--color-text);
}

/* =============================================
   お店紹介ページ
   ============================================= */

.intro-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 600px) {
  .intro-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .intro-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.intro-card {
  background-color: var(--color-cream);
  border: 1px solid var(--color-border);
  padding: 1.5rem;
  border-radius: 2px;
  transition: box-shadow var(--transition);
}

.intro-card:hover {
  box-shadow: 0 4px 20px rgba(107,66,38,0.1);
}

.intro-card-title {
  font-size: 1rem;
  color: var(--color-brown);
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.intro-card-title::before {
  content: '■';
  color: var(--color-gold);
  font-size: 0.7rem;
}

.intro-card-text {
  font-size: 0.88rem;
  line-height: 1.9;
  color: var(--color-text);
}

.intro-note {
  margin-top: 2rem;
  padding: 1rem 1.5rem;
  background-color: var(--color-cream);
  border: 1px solid var(--color-border);
  border-radius: 2px;
  font-size: 0.85rem;
  color: var(--color-text-light);
}

/* =============================================
   お品書きページ
   ============================================= */

.menu-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
}

.menu-tab {
  padding: 0.5rem 1.2rem;
  background-color: var(--color-cream);
  border: 1px solid var(--color-border);
  color: var(--color-text-light);
  font-family: var(--font-serif);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all var(--transition);
  border-radius: 2px;
  text-decoration: none;
  display: inline-block;
}

.menu-tab:hover,
.menu-tab.active {
  background-color: var(--color-brown);
  color: var(--color-cream);
  border-color: var(--color-brown);
}

.menu-divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 1.5rem 0;
}

.menu-section-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.menu-section-title img {
  height: 20px;
  width: auto;
}

.menu-section-note {
  font-size: 0.82rem;
  color: var(--color-text-light);
  margin-left: auto;
}

.menu-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.menu-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: baseline;
  padding: 0.9rem 0;
  border-bottom: 1px dotted var(--color-border);
}

.menu-item:last-of-type {
  border-bottom: none;
}

.menu-item-name {
  font-size: 0.9rem;
  color: var(--color-text);
  letter-spacing: 0.05em;
}

.menu-item-price {
  font-size: 0.9rem;
  color: var(--color-brown);
  white-space: nowrap;
  font-weight: 500;
}

.menu-item-price .tax {
  font-size: 0.75rem;
  color: var(--color-text-light);
  font-weight: 400;
}

.menu-item-desc {
  grid-column: 1 / -1;
  font-size: 0.82rem;
  color: var(--color-text-light);
  line-height: 1.8;
  padding-top: 0.3rem;
}

.menu-note {
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: var(--color-text-light);
  line-height: 2;
  padding: 1.2rem 1.5rem;
  background-color: var(--color-cream);
  border-left: 3px solid var(--color-gold);
}

/* =============================================
   アクセスページ
   ============================================= */

.access-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

@media (min-width: 768px) {
  .access-layout {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

.access-map {
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.access-map iframe {
  width: 100%;
  height: 400px;
  border: 0;
  display: block;
}

@media (min-width: 768px) {
  .access-map iframe { height: 480px; }
}

.access-info {}

.access-info-item {
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.access-info-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.access-info-label {
  font-size: 0.75rem;
  color: var(--color-gold);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.access-info-label::before {
  content: '';
  width: 20px;
  height: 1px;
  background-color: var(--color-gold);
}

.access-info-value {
  font-size: 0.9rem;
  color: var(--color-text);
  line-height: 1.9;
}

/* =============================================
   リンクページ
   ============================================= */

.link-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.link-card {
  background-color: var(--color-cream);
  border: 1px solid var(--color-border);
  padding: 1.5rem;
  border-radius: 2px;
  transition: box-shadow var(--transition);
}

.link-card:hover {
  box-shadow: 0 4px 20px rgba(107,66,38,0.1);
}

.link-card-title {
  font-size: 0.95rem;
  color: var(--color-brown);
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.link-card-url {
  font-size: 0.82rem;
  margin-bottom: 0.5rem;
}

.link-card-url a {
  color: var(--color-brown-light);
  word-break: break-all;
}

.link-card-desc {
  font-size: 0.85rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

/* =============================================
   ニュースページ
   ============================================= */

.news-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.news-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.5rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--color-border);
  align-items: start;
}

.news-item:last-child {
  border-bottom: none;
}

.news-date {
  font-size: 0.8rem;
  color: var(--color-gold);
  letter-spacing: 0.1em;
  white-space: nowrap;
  padding-top: 0.15rem;
  min-width: 70px;
}

.news-text {
  font-size: 0.88rem;
  line-height: 2;
  color: var(--color-text);
}

.news-text strong {
  display: block;
  color: var(--color-brown);
  margin-bottom: 0.3rem;
  font-weight: 500;
}

/* =============================================
   フッター
   ============================================= */

.site-footer {
  background-color: var(--color-dark);
  color: rgba(212,185,106,0.5);
  text-align: center;
  padding: 2.5rem 1.5rem;
  margin-top: 4rem;
}

.footer-logo {
  height: 50px;
  margin: 0 auto 1rem;
  opacity: 0.7;
  filter: brightness(1.2);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.25rem 1rem;
  margin-bottom: 1.5rem;
}

.footer-nav a {
  color: rgba(212,185,106,0.5);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  transition: color var(--transition);
}

.footer-nav a:hover {
  color: var(--color-gold-light);
}

.footer-copy {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
}

/* =============================================
   ユーティリティ
   ============================================= */

.ornament {
  text-align: center;
  color: var(--color-gold);
  letter-spacing: 0.3em;
  font-size: 0.8rem;
  opacity: 0.6;
  margin: 2rem 0;
}

.catch-img {
  margin-bottom: 1.5rem;
}

.catch-img img {
  max-width: 100%;
  height: auto;
}