:root {
  /* 全体の背景色: 深いオリーブグリーン */
  --bg: #3F422F;
  --brand: #3F422F;

  /* 文字色: 明るいクリーム/生成り */
  --ink: #fcfaf2;
  --muted: #b5bba8;

  /* アクセント: 落ち着いた真鍮色（ボタン・強調） */
  --gold: #bfa46f;

  /* 線: 薄い白 */
  --line: rgba(255, 255, 255, 0.15);

  --radius: 4px;
  --shadow: 0 12px 36px rgba(0, 0, 0, 0.4);
}

/* Reset */
* { box-sizing: border-box; margin: 0; padding: 0; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { padding-left: 1.1em; }
li { margin: 0.4em 0; }

/* Base Fonts & Typography */
html, body {
  background: var(--bg);
  color: var(--ink);
  font-family: "Shippori Mincho", "Yu Mincho", serif;
  line-height: 1.8;
  letter-spacing: 0.05em;
}

/* 見出し: 筆文字（游字 宿） */
h1, h2, h3, .ja-title, .brand-name.ja {
  font-family: "Yuji Syuku", serif;
  font-weight: 400;
  line-height: 1.4;
}

/* 英語: Cinzel（格式高いセリフ） */
.en, .eyebrow, .en-sub, .brand-name.en, h4 {
  font-family: "Cinzel", serif;
  letter-spacing: 0.08em;
}

.center { text-align: center; }
.muted { color: var(--muted); }
.small { font-size: 0.9rem; }
.mt-l { margin-top: 2.5rem; }

.container {
  width: min(1080px, 90vw);
  margin: 0 auto;
}

.section { padding: 100px 0; }

.br-pc {
  display: block;
}

.br-sp {
  display: none;
}

@media (max-width: 768px) {
  .br-pc {
    display: none;
  }

  .br-sp {
    display: block;
  }
}

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(63, 66, 47, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-logo { width: 40px; height: auto; }
.brand-text { display: flex; flex-direction: column; justify-content: center; }
.brand-name.ja { font-size: 1.1rem; color: #fff; }
.brand-name.en { font-size: 0.7rem; color: var(--gold); margin-top: -2px; }

.nav { display: flex; gap: 22px; align-items: center; }
.nav a {
  font-size: 0.95rem; padding: 8px 12px; transition: 0.3s;
  font-family: "Shippori Mincho", serif; color: var(--ink);
}
.nav a:hover { color: var(--gold); }
.nav .btn-ghost {
  border: 1px solid var(--gold); border-radius: 999px;
  padding: 6px 18px; color: var(--gold);
}
.nav .btn-ghost:hover { background: var(--gold); color: #3F422F; }
.nav-toggle { display: none; background: none; border: none; font-size: 24px; color: #fff; }

/* Hero (Slideshow - 6 Images) */
.hero {
  position: relative;
  color: #fff;
  background: var(--bg);
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-slider { position: absolute; inset: 0; z-index: 0; }
.hero-slide {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0;
  /* 6枚 × 6秒 = 36秒 */
  animation: bgFade 36s infinite;
}

/* スライドアニメーション遅延設定 */
.hero-slide:nth-child(1) { animation-delay: 0s; }
.hero-slide:nth-child(2) { animation-delay: 6s; }
.hero-slide:nth-child(3) { animation-delay: 12s; }
.hero-slide:nth-child(4) { animation-delay: 18s; }
.hero-slide:nth-child(5) { animation-delay: 24s; }
.hero-slide:nth-child(6) { animation-delay: 30s; }

@keyframes bgFade {
  0% { opacity: 0; transform: scale(1.1); }
  5% { opacity: 1; }
  17% { opacity: 1; }
  22% { opacity: 0; transform: scale(1); }
  100% { opacity: 0; }
}

.hero-overlay {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(to right, rgba(63, 66, 47, 0.7), rgba(63, 66, 47, 0.4));
}

.hero-inner {
  position: relative; z-index: 2;
  width: 100%; text-align: center;
}
.hero-title {
  font-size: clamp(2.4rem, 5vw, 4rem);
  text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.5);
  margin-bottom: 0.5em;
}
.lead { font-size: 1.1rem; margin-bottom: 2.5rem; color: #e0e0d0; max-width: 800px; margin-inline: auto; }

@media (max-width: 768px) {
  .lead {
    font-size: 4vw;
  }
}
.eyebrow { color: var(--gold); margin-bottom: 1rem; font-size: 0.9rem; }

/* Buttons */
.btn {
  display: inline-block; padding: 14px 32px; border-radius: 2px;
  font-family: "Shippori Mincho", serif; font-weight: 500;
  border: 1px solid transparent; transition: 0.3s; letter-spacing: 0.05em;
  text-align: center;
}
.btn-primary { background: var(--gold); color: #1a1c14; border-color: var(--gold); }
.btn-primary:hover { filter: brightness(1.1); }
.btn-outline { background: transparent; border-color: rgba(255, 255, 255, 0.6); color: #fff; }
.btn-outline:hover { background: rgba(255, 255, 255, 0.1); border-color: #fff; }
.hero-ctas { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

@media (max-width: 768px) {
  .hero-ctas {
    flex-direction: column;
    width: 90%;
    margin: 0 auto;
  }
}

/* Common Layouts */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }

/* 写真・地図のフレーム */
.card-frame {
  position: relative;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(0, 0, 0, 0.2);
  box-shadow: var(--shadow);
}
.card-frame img { width: 100%; height: auto; opacity: 0.95; }

/* Google Map Iframe Adjustment */
.map-frame iframe { width: 100%; height: 450px; display: block; }

/* Text Styles */
.ja-title { font-size: 2rem; margin-bottom: 0.8em; color: #fff; }
.ja-sub { font-family: "Yuji Syuku", serif; color: var(--gold); font-size: 1.1rem; margin-top: 0.5em; }

/* Check List */
.list-check { list-style: none; margin-top: 1.5em; }
.list-check li {
  position: relative; padding-left: 1.8em; margin-bottom: 0.8em;
  border-bottom: 1px dashed var(--line); padding-bottom: 0.4em;
}
.list-check li:last-child { border-bottom: none; }
.list-check li::before {
  content: "◆"; position: absolute; left: 0; color: var(--gold); font-size: 0.8em; top: 0.2em;
}

/* =========================================================
   Concept & Introduction & Garden Common Styles
   (コンセプト・洋館紹介・庭園のデザイン統一)
   ========================================================= */

/* 見出しサイズ調整 (小さく上品に) */
#concept h2.en,
#salons .intro-text h2.en,
#garden .garden-text h2.en {
  font-size: 1rem;
  margin-bottom: 0.5em;
}

#concept h3.ja-title,
#salons .intro-text h3.ja-title,
#garden .garden-text h3.ja-title {
  font-size: 1.5rem;
  line-height: 1.6;
  margin-bottom: 1.2em;
}

/* 本文スタイル調整 (サイズ・行間・左寄せ) */
#concept .concept-body p,
#salons .intro-desc p,
#garden .garden-desc p {
  font-size: 0.9rem;
  line-height: 2.2;
  margin-bottom: 1.8em;
  text-align: left;
}

/* 強調文字（太字）の設定 */
.concept-body strong,
.intro-desc strong,
.garden-desc strong {
  font-weight: 600;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

/* 画像の縦横比調整 (3 : 3.5に統一) */
.portrait-img,
.intro-img {
  width: 100%;
  aspect-ratio: 3 / 3.5;
  object-fit: cover;
}

/* リード文 (洋館紹介・庭園 共通) */
.intro-text .lead-text,
#garden .lead-text,
#access .lead-text {
  font-size: 1.2rem;
  color: var(--gold);
  margin-bottom: 1.5em;
  font-weight: 600;
}

/* 英語フレーズ (洋館紹介) */
.en-phrase {
  font-family: "Cinzel", serif;
  font-size: 1.1rem;
  margin: 2rem 0;
  color: #fff;
  letter-spacing: 0.1em;
}

/* 矢印付きテキストリンク (庭園など) */
.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  color: var(--gold);
  font-size: 1rem;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: 0.3s;
  padding-bottom: 4px;
}
.arrow-link:hover {
  border-bottom-color: var(--gold);
  opacity: 0.9;
}
.arrow-link .arrow { transition: transform 0.3s; }
.arrow-link:hover .arrow { transform: translateX(5px); }


/* =========================================
   Salons Grid (サロン一覧)
   ========================================= */
.salon-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; margin-top: 40px;
}

/* リンク付きカードのスタイル */
.salon-link {
  display: block;
  text-decoration: none;
  color: inherit;
  transition: transform 0.3s ease;
}

.salon-card {
  background: rgba(0, 0, 0, 0.1);
  border: 1px solid var(--line);
  display: flex; flex-direction: column;
  box-shadow: var(--shadow);
  height: 100%;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.salon-media { height: 240px; overflow: hidden; border-bottom: 1px solid var(--line); }
.salon-media img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.6s ease;
}

.salon-body { padding: 30px 24px; }
.salon-body h3 { font-size: 1.5rem; margin-bottom: 0.1em; color: var(--gold); }
.en-sub { font-size: 0.85rem; color: var(--muted); margin-bottom: 1em; display: block; }
.desc { font-size: 0.95rem; color: #dcdcdc; margin-bottom: 1.2em; }
.list-dot { font-size: 0.9rem; color: var(--ink); }

/* Hover Effects */
.salon-link:hover { transform: translateY(-8px); }
.salon-link:hover .salon-card {
  border-color: var(--gold);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
}
.salon-link:hover .salon-media img { transform: scale(1.08); }


/* =========================================
   Information (Specs)
   ========================================= */
/* .grid-3 の上下に余白を追加 */
#spec .grid-3 {
  margin-top: 60px;
  margin-bottom: 60px;
}

.spec-card {
  background: rgba(0, 0, 0, 0.1); border: 1px solid var(--line); padding: 30px;
  text-align: left;
}
.spec-card h4 {
  color: var(--gold); border-bottom: 1px solid var(--line);
  display: inline-block; margin-bottom: 1em; padding-bottom: 4px;
}
.spec-inline { display: flex; gap: 15px; list-style: none; margin-top: 1.5em; flex-wrap: wrap; }
.spec-inline li {
  border: 1px solid var(--gold); color: var(--gold); padding: 6px 16px; font-size: 0.9rem;
}

/* Access */
.contact-block {
  margin-top: 2em; padding: 20px;
  border: 1px solid var(--line); background: rgba(0, 0, 0, 0.1);
}
.contact-block a { color: var(--gold); text-decoration: underline; }


/* =========================================
   Contact CTA
   ========================================= */
/* CTAボタン周りの余白と配置調整 */
.cta-inline {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 50px; /* 上にマージンを追加 */
}


/* Footer */
.site-footer {
  background: #2a2d20; color: #aeb5a8; padding: 40px 0; border-top: 1px solid var(--line);
}
.footer-inner { display: flex; justify-content: space-between; align-items: flex-end; }
.footer-brand .brand-name.ja { color: #fff; }
.footer-brand .brand-name.en { color: var(--gold); }

/* Mobile Responsive */
@media (max-width: 960px) {
  .grid-2, .grid-3, .salon-grid { grid-template-columns: 1fr; }
  .reverse-sp { display: flex; flex-direction: column-reverse; }
  
  .nav {
    position: fixed; inset: 72px 0 auto 0;
    background: var(--bg); padding: 20px; flex-direction: column;
    transform: translateY(-150%); transition: 0.3s;
    border-bottom: 1px solid var(--line);
  }
  .nav.open { transform: translateY(0); }
  .nav-toggle { display: block; }
  
  .map-frame iframe { height: 300px; }
}

@media (max-width: 768px) {
  #contact .ja-title {
    font-size: 7vw;
  }

  .footer-inner {
    flex-direction: column;       /* 要素を縦並びにする */
    align-items: center;          /* 中央揃え */
    justify-content: center;
    gap: 30px;                    /* 要素間の余白 */
    text-align: center;           /* テキストを中央揃え */
  }

  .footer-brand {
    display: flex;
    flex-direction: column;       /* ロゴと社名を縦並びにする */
    align-items: center;
    gap: 15px;
  }
  
  /* ロゴ画像の微調整 */
  .footer-brand img.brand-logo {
    width: 50px;                  /* スマホで見やすいサイズに調整 */
    height: auto;
    margin-bottom: 5px;
  }

  /* 日本語社名の調整 */
  .footer-brand .brand-name.ja {
    font-size: 1.2rem;
    line-height: 1.4;
    white-space: nowrap;          /* 変な位置での改行を防ぐ */
  }

  /* 英語社名の調整 */
  .footer-brand .brand-name.en {
    font-size: 0.8rem;
    margin-top: 5px;
  }

  /* コピーライトの調整 */
  .footer-note {
    width: 100%;
    margin-top: 10px;
    font-size: 0.75rem;
    opacity: 0.8;
    line-height: 1.6;
  }
}