/* ───────── Base & Tokens ───────── */
*{box-sizing:border-box}
:root{
  --wine:#8B1A2B;          /* 深いワインレッド */
  --wine-2:#B21E35;        /* 明るめワイン（hover） */
  --gold:#C6A664;          /* ゴールドアクセント */
  --text:#2B0B0E;          /* 本文色（ダークブラウン） */
  --base:#FCF7F6;          /* 背景 */
  --nav-bg:#fff8f7;
  --line:#eadada;
  --card-bg:#fff9fa;
}
body{
  margin:0;
  font-family:'Inter','Noto Serif JP',system-ui,-apple-system,Roboto,sans-serif;
  color:var(--text);
  background: linear-gradient(180deg, #FCF7F6 0%, #FFF9F9 100%);
}
img{max-width:100%;display:block}
.container{max-width:1100px;margin:0 auto;padding:0 20px}

/* ───────── Header ───────── */
.site-header{position:sticky;top:0;z-index:60;background:var(--nav-bg);border-bottom:1px solid var(--line)}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}

/* Main nav */
.nav{
  display:flex;align-items:center;justify-content:space-between;
  height:56px;background:var(--nav-bg);position:relative
}
.logo{
  font-weight:800;font-size:18px;text-decoration:none;
  color:var(--wine);letter-spacing:0.02em;
}
.navlinks{display:flex;gap:8px;align-items:center}
.navlinks a{
  position:relative;padding:8px 10px;border-radius:8px;text-decoration:none;
  color:var(--text);font-weight:500;transition:color .3s, background .3s;
}
.navlinks a:hover{background:#f3dcdc;color:var(--wine)}
.navlinks a.cta{
  background:var(--wine);color:#fff;border:1px solid var(--gold);
  box-shadow:0 2px 6px rgba(139,26,43,.2);
}
.navlinks a.cta:hover{background:var(--wine-2)}
.navlinks a.active,.navlinks a[aria-current="page"]{background:var(--wine);color:#fff}

/* underline animation (PC) */
@media (min-width:861px){
  .navlinks a:not(.cta)::after{
    content:"";position:absolute;left:10px;right:10px;bottom:6px;height:2px;
    background:var(--gold);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
  }
  .navlinks a:not(.cta):hover::after{transform:scaleX(1)}
}

/* Hamburger */
.nav-toggle{display:none;position:relative;width:40px;height:40px;border:0;background:transparent}
.nav-toggle span{position:absolute;left:10px;right:10px;height:2px;background:var(--wine);transition:.25s ease}
.nav-toggle span:nth-child(1){top:12px}
.nav-toggle span:nth-child(2){top:19px}
.nav-toggle span:nth-child(3){top:26px}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Mobile menu */
@media (max-width:860px){
  .navlinks{
    position:absolute;left:0;right:0;top:56px;background:var(--nav-bg);border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;padding:8px 12px;display:none
  }
  .navlinks a{padding:12px;border-radius:10px}
  .navlinks.show{display:flex}
  .nav-toggle{display:block}
}

/* ───────── Hero ───────── */
.hero{
  padding:80px 20px 40px;
  text-align:center;
  background:linear-gradient(180deg,#fff8f7,var(--base));
}
.hero h1{
  font-size:clamp(26px,4vw,42px);
  line-height:1.3;
  margin:0 0 8px;
  color:var(--wine);
}
.hero .sub{color:var(--wine-2);margin:0 0 16px}
.btn{
  display:inline-block;
  background:var(--wine);
  color:#fff;
  padding:12px 18px;
  border-radius:10px;
  border:1px solid var(--gold);
  text-decoration:none;
  transition:all .25s ease;
  box-shadow:0 3px 8px rgba(139,26,43,.25);
}
.btn:hover{background:var(--wine-2);transform:translateY(-2px)}

/* ───────── Hero Slider ───────── */
.hero-slider{
  position:relative;
  max-width:1100px;
  margin:16px auto 0;
  border-radius:18px;
  overflow:hidden;
  box-shadow:0 20px 60px rgba(139,26,43,.25);
}
.hero-slider .slides{position:relative;width:100%;aspect-ratio:16/9;background:#eee}
.hero-slider img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:0;transition:opacity .6s ease-in-out;
}
.hero-slider img.active{opacity:1}

/* 矢印 */
.hero-slider .arrow{
  position:absolute;top:50%;transform:translateY(-50%);
  background:rgba(255,255,255,0.75);
  border:none;color:var(--wine);
  font-size:32px;width:44px;height:44px;border-radius:50%;
  cursor:pointer;transition:background .3s, transform .3s;
  z-index:10;
}
.hero-slider .arrow:hover{background:rgba(255,255,255,0.9);transform:scale(1.1)}
.hero-slider .arrow.prev{left:16px}
.hero-slider .arrow.next{right:16px}

/* ドット */
.hero-dots{
  position:absolute;left:50%;bottom:10px;transform:translateX(-50%);
  display:flex;gap:8px;padding:6px 10px;border-radius:999px;
  background:rgba(255,255,255,.55);backdrop-filter:blur(6px);
}
.hero-dots button{
  width:8px;height:8px;border-radius:50%;border:0;background:var(--gold);opacity:.4;cursor:pointer;
}
.hero-dots button[aria-current="true"]{background:var(--wine);opacity:1}

/* ───────── Sections / Cards ───────── */
.section{padding:40px 0}
.section h2{
  font-size:28px;margin:0 0 12px;
  color:var(--wine);
  border-left:5px solid var(--gold);
  padding-left:10px;
}
.card{
  border-left:4px solid var(--wine);
  border-radius:14px;
  background:var(--card-bg);
  padding:16px 20px;
  box-shadow:0 4px 12px rgba(0,0,0,.04);
}
.card-body{color:var(--text);font-size:15px;line-height:1.6}

/* グリッドユーティリティ */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}

@media (max-width:900px){
  .grid-2{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr 1fr}
}
@media (max-width:600px){
  .grid-3{grid-template-columns:1fr}
}

/* ───────── Footer ───────── */
.footer{
  padding:28px;
  text-align:center;
  color:#fff;
  background:#2B0B0E;
  border-top:2px solid var(--gold);
  font-size:14px;
}

/* ───────── Floating CTA（予約ボタン） ───────── */
.floating-cta {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--wine);
  color: #fff;
  border: 2px solid var(--gold);
  font-weight: 600;
  padding: 14px 22px;
  border-radius: 50px;
  text-decoration: none;
  box-shadow: 0 6px 24px rgba(0,0,0,0.2);
  transition: all 0.25s ease;
  z-index: 200;
}
.floating-cta:hover {
  background: var(--wine-2);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,0,0,0.25);
}
@media (max-width: 640px){
  .floating-cta {
    bottom: 16px; right: 16px;
    padding: 12px 18px; font-size: 14px;
  }
}

/* ───────── Concept: 自動フェードイン＋余白 ───────── */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp .9s ease-out forwards;
}
.fade-up.delay-1 { animation-delay: .3s; }
.fade-up.delay-2 { animation-delay: .6s; }
@keyframes fadeUp {
  from { opacity:0; transform:translateY(30px); }
  to   { opacity:1; transform:translateY(0); }
}

/* カードの見栄えと間隔（Concept） */
.concept-section {
  gap: 40px;
  margin-top: 40px;
  margin-bottom: 60px;
}
.concept-section .card {
  border-radius: 16px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 6px 24px rgba(0,0,0,.08);
  transition: transform .25s ease, box-shadow .25s ease;
}
.concept-section .card:hover {
  transform: translateY(-6px);
  box-shadow: 0 10px 32px rgba(0,0,0,.12);
}

/* ───────── Responsive tweaks ───────── */
@media (max-width:600px){
  .hero{padding:60px 16px 24px}
  .hero h1{font-size:24px}
  .btn{padding:10px 16px}
  .hero-slider .arrow{font-size:26px;width:38px;height:38px}
}


/* ===== Concept Page Layout ===== */
.concept-page {
  display: flex;
  flex-direction: column;
  gap: 80px;
  padding: 40px 0 80px;
}

.concept-block {
  display: flex;
  align-items: center;
  gap: 40px;
}

.concept-block:nth-child(even) .concept-image {
  order: 2;
}
.concept-image img {
  border-radius: 18px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
  width: 100%;
  height: auto;
  object-fit: cover;
}
.concept-text {
  flex: 1;
}
.concept-text h2 {
  font-size: 30px;
  color: var(--wine);
  margin-bottom: 12px;
  border-left: 5px solid var(--gold);
  padding-left: 10px;
}
.concept-text p {
  line-height: 1.9;
  color: var(--text);
  font-size: 16px;
}

/* モバイル対応 */
@media (max-width: 800px){
  .concept-block {
    flex-direction: column;
    gap: 24px;
  }
  .concept-block:nth-child(even) .concept-image {
    order: 0;
  }
  .concept-page { gap: 60px; }
}

/* ───────── Concept Block（画像サイズ調整）───────── */

/* レイアウト全体 */
.concept-block {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

/* 画像ラッパー */
.concept-image {
  flex: 1;
  display: flex;
  justify-content: center;     /* 中央揃え */
  align-items: center;
  max-width: 50%;              /* 最大でもページ幅の半分まで */
}

/* 実際の画像 */
.concept-image img {
  width: 100%;
  max-width: 480px;            /* デスクトップ時の最大サイズ上限 */
  height: auto;
  border-radius: 18px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
  object-fit: cover;
  transition: transform .3s ease;
}

/* hover時の微妙な拡大演出 */
.concept-image img:hover {
  transform: scale(1.02);
}

/* テキストエリア */
.concept-text {
  flex: 1;
  min-width: 320px;
  max-width: 50%;
  line-height: 1.8;
}

/* 見出しと本文 */
.concept-text h2 {
  font-size: 30px;
  color: var(--wine);
  margin-bottom: 12px;
  border-left: 5px solid var(--gold);
  padding-left: 10px;
}
.concept-text p {
  font-size: 16px;
  color: var(--text);
}

/* 偶数行は反転レイアウト */
.concept-block:nth-child(even) {
  flex-direction: row-reverse;
}

/* ===== Dessert Section ===== */
.dessert-section {
  background: #fffaf9;
  padding: 50px 0 70px;
}

.dessert-list {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.dessert-item {
  display: flex;
  align-items: center;
  gap: 24px;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.06);
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease;
}

.dessert-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 28px rgba(0,0,0,0.1);
}

.dessert-item img {
  width: 240px;
  height: 240px;
  object-fit: cover;
}

.dessert-body {
  padding: 20px 24px;
  color: var(--text);
}

.dessert-body h3 {
  font-size: 20px;
  color: var(--wine);
  margin: 0 0 8px;
}

.dessert-body p {
  margin: 0;
  line-height: 1.7;
  font-size: 15px;
}

/* ===== 筆記体フォント（欧文タイトル用） ===== */
.script {
  font-family: 'Great Vibes', cursive;
  font-weight: 400;
  letter-spacing: 0.03em;
  color: var(--wine);
  text-shadow: 0 1px 1px rgba(198,166,100,0.2);
}

/* セクションタイトル（例：アラカルト／メイン／デザート） */
.section h2.script {
  font-size: 36px;
  margin-bottom: 20px;
  text-align: center;
  border: none; /* 通常の左ラインを消す */
}

/* コース名の装飾 */
.course-name {
  font-family: 'Great Vibes', cursive;
  font-size: 30px;
  color: var(--wine);
  display: block;
  margin-bottom: 6px;
}


/* ===== Responsive ===== */
@media (max-width: 780px) {
  .dessert-item {
    flex-direction: column;
    text-align: center;
  }
  .dessert-item img {
    width: 100%;
    height: auto;
  }
  .dessert-body {
    padding: 16px;
  }
}

/* ───────── モバイル最適化 ───────── */
@media (max-width: 900px) {
  .concept-block {
    flex-direction: column;
    gap: 24px;
  }
  .concept-image,
  .concept-text {
    max-width: 100%;
  }
  .concept-image img {
    max-width: 100%;
    border-radius: 14px;
  }
}