/* ==========================================================================
   Design System & Base Variables
   ========================================================================== */
:root {
  /* Colors */
  --bg-primary: #FDF9F0;      /* オフホワイト・やわらかな暖色 */
  --bg-secondary: #FFFDF9;    /* カードやモジュール用の明るいクリーム */
  --bg-dark: #3E3A35;         /* 暖かみのある墨色（テキスト・フッター用） */
  --text-dark: #3E3A35;       /* メインテキスト */
  --text-light: #6E6860;      /* サブテキスト */
  --accent-gold: #B8963E;     /* 真鍮風の上品なゴールド（メインアクセント） */
  --accent-gold-light: #C9A961; /* 明るいゴールド */
  --accent-gold-pale: #F5EFE4;  /* 背景用極薄ゴールド */
  --white: #ffffff;
  
  /* Box Shadows */
  --shadow-sm: 0 2px 10px rgba(62, 58, 53, 0.05);
  --shadow-md: 0 4px 20px rgba(62, 58, 53, 0.08);
  --shadow-lg: 0 10px 30px rgba(184, 150, 62, 0.12);

  /* Fonts */
  --font-serif: "Noto Serif JP", serif;
  --font-sans: "Noto Sans JP", sans-serif;
  
  /* Layout */
  --container-width: 1100px;
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: 70px; /* 固定ヘッダー分の余白 */
}

body {
  font-family: var(--font-sans);
  color: var(--text-dark);
  background-color: var(--bg-primary);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, iframe {
  max-width: 100%;
}

img {
  height: auto;
  display: block;
}

iframe {
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s, opacity 0.3s;
}

ul, ol {
  list-style: none;
  padding: 0;
  margin: 0;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 600;
  margin: 0;
}

/* Common Layout Components */
.container {
  width: 90%;
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
}

.section-padding {
  padding: 80px 0;
}

@media (max-width: 768px) {
  .section-padding {
    padding: 60px 0;
  }
}

.text-center {
  text-align: center;
}

.justify-center {
  justify-content: center;
}

/* ==========================================================================
   Section Headers (三日月モチーフの装飾)
   ========================================================================== */
.section-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 50px;
  position: relative;
}

.section-title .title-en {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  color: var(--accent-gold);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: 6px;
}

.section-title .title-ja {
  font-size: 1.8rem;
  font-weight: 600;
  position: relative;
  padding-bottom: 15px;
}

/* 金色の三日月飾り */
.section-title .title-ja::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 16px;
  border-radius: 50%;
  /* 左下に光る三日月 */
  box-shadow: -4px 4px 0 0 var(--accent-gold);
  background: transparent;
}

/* ==========================================================================
   固定ヘッダー
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 70px;
  background-color: rgba(253, 249, 240, 0.85); /* 透過背景 */
  backdrop-filter: blur(10px);                  /* ガラス調 */
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(184, 150, 62, 0.12);
  z-index: 1000;
  transition: background-color 0.3s, box-shadow 0.3s;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
  width: 90%;
  max-width: var(--container-width);
  margin: 0 auto;
}

.header-logo-img {
  height: 45px;
  width: auto;
  transition: transform 0.3s;
}

.header-logo-link:hover .header-logo-img {
  transform: scale(1.05);
}

.nav-list {
  display: flex;
  gap: 24px;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  position: relative;
  padding: 4px 0;
}

/* ナビゲーションのホバーアニメーション */
.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: var(--accent-gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}

.nav-link:hover {
  color: var(--accent-gold);
}

.nav-link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* スマホ表示でのナビゲーション調整（極力シンプルに横並び） */
@media (max-width: 600px) {
  .header-container {
    flex-direction: column;
    justify-content: center;
    gap: 5px;
  }
  .site-header {
    height: 80px;
  }
  html {
    scroll-padding-top: 80px;
  }
  .header-logo-img {
    height: 32px;
  }
  .nav-list {
    gap: 12px;
  }
  .nav-link {
    font-size: 0.75rem;
  }
}

/* ==========================================================================
   ① ヒーローセクション
   ========================================================================== */
.hero-section {
  position: relative;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  color: var(--white);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("images/hero.webp");
  background-size: cover;
  background-position: center;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.45); /* 可読性を担保するオーバーレイ */
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  width: 90%;
  max-width: 600px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-logo-img {
  width: 180px;
  height: auto;
  margin-bottom: 30px;
  filter: brightness(0) invert(1); /* 白一色のロゴにする */
}

.hero-title {
  font-size: 2.2rem;
  letter-spacing: 0.25em;
  margin-bottom: 40px;
  font-weight: 400;
  line-height: 1.5;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

@media (max-width: 768px) {
  .hero-section {
    height: 70vh;
    height: 70svh;
  }
  .hero-bg {
    background-position: 75% center;
  }
  .hero-logo-img {
    width: 130px;
    margin-bottom: 20px;
  }
  .hero-title {
    font-size: 1.5rem;
    letter-spacing: 0.15em;
    margin-bottom: 25px;
  }
}

/* お知らせライン */
.hero-notice-line {
  display: inline-flex;
  align-items: center;
  gap: 15px;
  max-width: 100%;
}

.hero-notice-line::before,
.hero-notice-line::after {
  content: "";
  display: block;
  width: 24px;
  height: 1px;
  background-color: var(--accent-gold-light);
}

.notice-text {
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.95);
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

/* スクロールダウンの指示 */
.scroll-down-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.scroll-down-indicator span {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.8);
}

.arrow-line {
  width: 1px;
  height: 40px;
  background: rgba(255, 255, 255, 0.3);
  position: relative;
  overflow: hidden;
}

.arrow-line::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--accent-gold-light);
  animation: scrollDown 2s infinite ease-in-out;
}

@keyframes scrollDown {
  0% { transform: translateY(-100%); }
  50% { transform: translateY(0); }
  100% { transform: translateY(100%); }
}

/* ==========================================================================
   ② コンセプトセクション
   ========================================================================== */
.concept-wrapper {
  display: flex;
  align-items: center;
  gap: 60px;
}

.concept-text-content {
  flex: 1.2;
}

.concept-text-content .section-title {
  align-items: flex-start;
}

.concept-text-content .section-title .title-ja::after {
  left: 20px;
  transform: none;
}

.concept-lead {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  line-height: 2.2;
  color: var(--text-dark);
}

.concept-image-content {
  flex: 0.8;
}

.image-frame {
  position: relative;
  padding: 10px;
  background-color: var(--white);
  box-shadow: var(--shadow-md);
  border-radius: 8px;
}

.image-frame::after {
  content: "";
  position: absolute;
  top: -10px;
  right: -10px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  box-shadow: -8px 8px 0 0 rgba(184, 150, 62, 0.15);
  pointer-events: none;
}

.concept-img {
  width: 100%;
  border-radius: 4px;
}

@media (max-width: 768px) {
  .concept-wrapper {
    flex-direction: column;
    gap: 40px;
  }
  .concept-text-content .section-title {
    align-items: center;
  }
  .concept-text-content .section-title .title-ja::after {
    left: 50%;
    transform: translateX(-50%);
  }
  .concept-lead {
    font-size: 1rem;
    text-align: center;
    line-height: 2;
  }
  .concept-image-content {
    width: 100%;
    max-width: 400px;
  }
}

/* ==========================================================================
   ③ メニューセクション
   ========================================================================== */
.menu-category {
  margin-bottom: 70px;
}

.menu-category:last-child {
  margin-bottom: 0;
}

.category-title {
  font-size: 1.4rem;
  color: var(--accent-gold);
  border-bottom: 1px solid var(--accent-gold-pale);
  padding-bottom: 10px;
  margin-bottom: 30px;
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
}

.category-title::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  box-shadow: -2px 2px 0 0 var(--accent-gold);
}

.menu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

/* タブレット・PCで均等配置するためのメディアクエリ */
@media (max-width: 992px) {
  .menu-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .menu-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

/* メニューカード */
.menu-card {
  background-color: var(--bg-secondary);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(184, 150, 62, 0.05);
  transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1), box-shadow 0.4s;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.menu-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(184, 150, 62, 0.2);
}

.card-image-wrapper {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.menu-card:hover .card-img {
  transform: scale(1.05);
}

.card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-title {
  font-size: 1.15rem;
  margin-bottom: 6px;
  color: var(--text-dark);
}

.card-price {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-gold);
  margin-bottom: 12px;
}

.card-text {
  font-size: 0.85rem;
  color: var(--text-light);
  margin: 0;
  line-height: 1.6;
}

/* ドリンクカード（2品共用）のレイアウト */
.double-item {
  justify-content: space-between;
  gap: 20px;
}

.menu-sub-item {
  display: flex;
  flex-direction: column;
}

.card-divider {
  border: 0;
  border-top: 1px dashed rgba(184, 150, 62, 0.2);
  margin: 0;
}

/* ==========================================================================
   ④ 店舗情報セクション
   ========================================================================== */
.info-wrapper {
  display: flex;
  gap: 50px;
  align-items: stretch;
}

.info-table-container {
  flex: 1;
  background-color: var(--bg-secondary);
  padding: 40px;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(184, 150, 62, 0.05);
}

.info-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.info-table th, .info-table td {
  padding: 16px 0;
  vertical-align: top;
  border-bottom: 1px solid rgba(184, 150, 62, 0.1);
}

.info-table tr:last-child th, 
.info-table tr:last-child td {
  border-bottom: none;
}

.info-table th {
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--accent-gold);
  width: 90px;
  text-align: left;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
}

.info-table td {
  font-size: 0.9rem;
  color: var(--text-dark);
  word-break: break-all;
}

.table-note {
  font-size: 0.8rem;
  color: var(--text-light);
  display: inline-block;
  margin-top: 4px;
}

.info-map-container {
  flex: 1;
}

.map-frame {
  width: 100%;
  height: 100%;
  min-height: 350px;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(184, 150, 62, 0.08);
}

@media (max-width: 768px) {
  .info-wrapper {
    flex-direction: column;
    gap: 30px;
  }
  .info-table-container {
    padding: 24px;
  }
  .map-frame {
    height: 300px;
    min-height: auto;
  }
}

/* ==========================================================================
   ⑤ 予約・お問い合わせセクション
   ========================================================================== */
.contact-card {
  background-color: var(--bg-secondary);
  border: 1px solid rgba(184, 150, 62, 0.15);
  border-radius: 16px;
  padding: 60px 40px;
  box-shadow: var(--shadow-md);
  max-width: 800px;
  margin: 0 auto;
}

.contact-lead {
  font-size: 1.05rem;
  margin-bottom: 40px;
  color: var(--text-dark);
}

.contact-actions {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 30px;
}

/* ボタンのスタイリング */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 32px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 500;
  transition: transform 0.3s, box-shadow 0.3s, background-color 0.3s;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  text-align: center;
}

.btn-icon {
  margin-right: 10px;
  font-size: 1.2rem;
  display: inline-flex;
  align-items: center;
}

/* 電話ボタン */
.btn-tel {
  background-color: var(--accent-gold);
  color: var(--white);
  flex: 1;
  max-width: 320px;
}

.btn-tel:hover {
  background-color: var(--accent-gold-light);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(184, 150, 62, 0.25);
}

.btn-tel .btn-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.2;
}

.tel-label {
  font-size: 0.7rem;
  font-weight: 400;
  opacity: 0.9;
  margin-bottom: 2px;
}

.tel-number {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

/* Instagramボタン */
.btn-insta {
  background-color: #272727;
  color: var(--white);
  flex: 1;
  max-width: 320px;
}

.btn-insta:hover {
  background-color: #404040;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.instagram-icon {
  width: 20px;
  height: 20px;
}

.contact-notice {
  font-size: 0.8rem;
  color: var(--text-light);
  margin: 0;
}

@media (max-width: 768px) {
  .contact-card {
    padding: 40px 20px;
  }
  .contact-actions {
    flex-direction: column;
    align-items: center;
    gap: 16px;
  }
  .btn {
    width: 100%;
    max-width: none;
  }
}

/* ==========================================================================
   フッター
   ========================================================================== */
.site-footer {
  background-color: var(--bg-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 50px 0;
  font-size: 0.85rem;
  border-top: 2px solid var(--accent-gold);
}

.footer-demo-badge {
  display: inline-block;
  background-color: var(--accent-gold);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: 4px;
  margin-bottom: 15px;
  letter-spacing: 0.05em;
}

.footer-warning {
  color: rgba(255, 255, 255, 0.95);
  font-weight: 500;
  margin: 0 0 10px 0;
}

.footer-package {
  max-width: 600px;
  margin: 0 auto 20px auto;
  line-height: 1.6;
}

.footer-package strong {
  color: var(--accent-gold-light);
  font-size: 1.1rem;
}

.footer-copyright {
  font-family: var(--font-serif);
  font-size: 0.8rem;
  margin: 0;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.4);
}

/* ==========================================================================
   フェードインアニメーション
   ========================================================================== */
/* CSSのみの初期アニメーション用 */
.fade-in-up {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 1.2s cubic-bezier(0.165, 0.84, 0.44, 1) forwards;
}

.delay-1 {
  animation-delay: 0.3s;
}

.delay-2 {
  animation-delay: 0.6s;
}

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

/* JSスクロール検出用アニメーション */
.js-fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s cubic-bezier(0.165, 0.84, 0.44, 1), 
              transform 0.8s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.js-fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* アニメーション遅延用ユーティリティクラス */
.js-fade-in.delay-2 {
  transition-delay: 0.2s;
}

.js-fade-in.delay-3 {
  transition-delay: 0.4s;
}