/* ============================================================
   縁 古民家＆CAMP ～kitayama～  style v2
   テーマ：墨色 × 行灯 ― 夜の囲炉裏の世界観
   ============================================================ */

:root {
  /* 墨と木の階調 */
  --sumi:        #161210;   /* 最も深い墨色（ベース背景） */
  --sumi-2:      #1f1915;   /* パネル背景 */
  --sumi-3:      #2a221b;   /* カード背景 */
  --sumi-4:      #362c22;   /* ホバー・ボーダー強 */
  /* 行灯の灯り */
  --andon:       #e0a04a;   /* 行灯オレンジ */
  --andon-bright:#f4bf72;   /* 灯りの中心 */
  --andon-deep:  #b97a2e;   /* 灯りの陰 */
  /* 文字色 */
  --kinari:      #f0e7d6;   /* 生成り（メイン文字） */
  --kinari-dim:  #bfb29c;   /* 補足文字 */
  --kinari-faint:#8a7e6b;   /* キャプション */
  /* アクセント */
  --shu:         #b5573d;   /* 朱（控えめに使用） */
  --line:        rgba(240, 231, 214, 0.13);
  --line-strong: rgba(240, 231, 214, 0.24);

  --font-mincho: 'Shippori Mincho B1', 'Noto Serif JP', serif;
  --font-sans:   'Noto Sans JP', sans-serif;

  --header-h: 72px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-weight: 300;
  background-color: var(--sumi);
  color: var(--kinari);
  line-height: 1.9;
  letter-spacing: 0.04em;
  overflow-x: hidden;
}

/* ── 和紙の質感（画面全体にうっすら繊維のノイズ） */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='w'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' seed='7'/%3E%3CfeColorMatrix values='0 0 0 0 0.95 0 0 0 0 0.91 0 0 0 0 0.84 0 0 0 0.035 0'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23w)'/%3E%3C/svg%3E");
}

img { max-width: 100%; display: block; }
a { color: var(--andon); text-decoration: none; transition: 0.25s; }
a:hover { color: var(--andon-bright); }
ul { list-style: none; }

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}

section { position: relative; padding: 96px 0; }

.sp-only { display: none; }

/* ============================================================
   提灯のゆらめき
   ============================================================ */
@keyframes lantern-flicker {
  0%, 100% { opacity: 1;    filter: brightness(1); }
  42%      { opacity: 0.92; filter: brightness(0.96); }
  47%      { opacity: 1;    filter: brightness(1.05); }
  61%      { opacity: 0.95; filter: brightness(0.98); }
  78%      { opacity: 1;    filter: brightness(1.03); }
}
@keyframes lantern-glow {
  0%, 100% { box-shadow: 0 0 8px rgba(224, 160, 74, 0.55), 0 0 22px rgba(224, 160, 74, 0.18); }
  50%      { box-shadow: 0 0 12px rgba(244, 191, 114, 0.7), 0 0 32px rgba(224, 160, 74, 0.28); }
}

.lantern-dot {
  display: inline-block;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: radial-gradient(circle at 38% 35%, var(--andon-bright), var(--andon-deep));
  margin-right: 9px;
  vertical-align: 2px;
  animation: lantern-flicker 3.4s infinite ease-in-out, lantern-glow 3.4s infinite ease-in-out;
}

/* ============================================================
   ボタン
   ============================================================ */
.btn {
  display: inline-block;
  padding: 14px 34px;
  font-family: var(--font-mincho);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.12em;
  border-radius: 2px;
  cursor: pointer;
  transition: 0.3s;
  border: 1px solid transparent;
}
.btn i { margin-right: 8px; }

.btn-lantern {
  background: linear-gradient(160deg, var(--andon) 0%, var(--andon-deep) 100%);
  color: #241804;
  border-color: rgba(244, 191, 114, 0.5);
  animation: lantern-glow 3.4s infinite ease-in-out;
}
.btn-lantern:hover {
  background: linear-gradient(160deg, var(--andon-bright) 0%, var(--andon) 100%);
  color: #241804;
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--kinari);
  border-color: var(--line-strong);
}
.btn-ghost:hover {
  border-color: var(--andon);
  color: var(--andon-bright);
  background: rgba(224, 160, 74, 0.06);
}

.btn-lg { padding: 18px 46px; font-size: 16.5px; }
.btn-block { display: block; text-align: center; }

/* ============================================================
   ヘッダー
   ============================================================ */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background 0.35s, box-shadow 0.35s, border-color 0.35s;
  border-bottom: 1px solid transparent;
}
#header.scrolled {
  background: rgba(22, 18, 16, 0.92);
  backdrop-filter: blur(8px);
  border-bottom-color: var(--line);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.45);
}

.header-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo a { display: flex; align-items: center; gap: 12px; }
.logo-mark {
  font-family: var(--font-mincho);
  font-size: 34px;
  font-weight: 700;
  color: var(--kinari);
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  border: 1.5px solid var(--andon);
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, rgba(224,160,74,0.22), transparent 70%);
  line-height: 1;
}
.logo-text {
  font-family: var(--font-mincho);
  font-size: 17px;
  font-weight: 600;
  color: var(--kinari);
  letter-spacing: 0.1em;
  line-height: 1.3;
}
.logo-text small {
  display: block;
  font-size: 11px;
  font-weight: 400;
  color: var(--kinari-dim);
  letter-spacing: 0.22em;
}

.main-nav ul { display: flex; align-items: center; gap: 30px; }
.main-nav a {
  font-family: var(--font-mincho);
  font-size: 14.5px;
  color: var(--kinari);
  letter-spacing: 0.1em;
  position: relative;
  padding: 6px 0;
}
.main-nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--andon);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s;
}
.main-nav a:hover { color: var(--andon-bright); }
.main-nav a:hover::after { transform: scaleX(1); transform-origin: left; }

.main-nav .nav-book {
  border: 1px solid var(--andon);
  border-radius: 2px;
  padding: 9px 22px;
  color: var(--andon-bright);
}
.main-nav .nav-book::after { display: none; }
.main-nav .nav-book:hover {
  background: rgba(224, 160, 74, 0.12);
}

/* ハンバーガー */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px; height: 44px;
  background: none; border: none;
  cursor: pointer;
  z-index: 110;
}
.hamburger span {
  display: block;
  width: 26px; height: 1.5px;
  margin: 0 auto;
  background: var(--kinari);
  transition: 0.3s;
}
.hamburger.active span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* モバイルナビ */
.mobile-overlay {
  position: fixed; inset: 0;
  background: rgba(10, 8, 6, 0.7);
  opacity: 0; visibility: hidden;
  transition: 0.3s;
  z-index: 98;
}
.mobile-overlay.active { opacity: 1; visibility: visible; }

.mobile-nav {
  position: fixed;
  top: 0; right: -300px;
  width: 290px; height: 100vh;
  background: var(--sumi-2);
  border-left: 1px solid var(--line);
  z-index: 99;
  transition: right 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  padding: 90px 34px 40px;
  display: flex;
  flex-direction: column;
}
.mobile-nav.active { right: 0; }
.mobile-nav ul { flex: 1; }
.mobile-nav li { border-bottom: 1px solid var(--line); }
.mobile-nav li a {
  display: block;
  padding: 17px 4px;
  font-family: var(--font-mincho);
  font-size: 16px;
  color: var(--kinari);
  letter-spacing: 0.12em;
}
.mobile-close {
  position: absolute;
  top: 18px; right: 18px;
  width: 42px; height: 42px;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--kinari);
  font-size: 16px;
  cursor: pointer;
}
.mobile-sns { display: flex; gap: 18px; padding-top: 24px; }
.mobile-sns a {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--kinari);
  font-size: 17px;
}

/* ============================================================
   ヒーロー
   ============================================================ */
#hero {
  position: relative;
  height: 100vh;
  min-height: 620px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 0;
}

.hero-bg {
  position: absolute;
  inset: -10% 0;
  background-size: cover;
  background-position: center;
  filter: brightness(0.72) saturate(0.92) sepia(0.12);
  will-change: transform;
}
.hero-overlay {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at center 42%, transparent 0%, rgba(22, 18, 16, 0.42) 68%, rgba(22, 18, 16, 0.9) 100%),
    linear-gradient(to bottom, rgba(22,18,16,0.5) 0%, transparent 26%, transparent 58%, var(--sumi) 100%);
}

/* 障子の枠のような細い罫 */
.hero-frame {
  position: absolute;
  inset: 22px;
  border: 1px solid rgba(240, 231, 214, 0.22);
  pointer-events: none;
}
.hero-frame::before {
  content: '';
  position: absolute;
  inset: 5px;
  border: 1px solid rgba(240, 231, 214, 0.1);
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  padding: 0 24px;
}
.hero-place {
  font-family: var(--font-mincho);
  font-size: 14px;
  letter-spacing: 0.34em;
  color: var(--kinari);
  margin-bottom: 26px;
  text-shadow: 0 1px 10px rgba(0,0,0,0.7);
}
.hero-title { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.hero-en {
  font-family: var(--font-mincho);
  font-size: clamp(96px, 17vw, 168px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--kinari);
  text-shadow:
    0 0 60px rgba(224, 160, 74, 0.35),
    0 2px 24px rgba(0, 0, 0, 0.85);
  animation: lantern-flicker 5.2s infinite ease-in-out;
}
.hero-name {
  font-family: var(--font-mincho);
  font-size: clamp(20px, 3.4vw, 30px);
  font-weight: 600;
  letter-spacing: 0.3em;
  text-indent: 0.3em;
  color: var(--kinari);
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.8);
}
.hero-name small {
  display: block;
  font-size: 0.52em;
  font-weight: 400;
  letter-spacing: 0.42em;
  color: var(--kinari-dim);
  margin-top: 8px;
}
.hero-btns {
  margin-top: 44px;
  display: flex;
  gap: 18px;
  justify-content: center;
  flex-wrap: wrap;
}

/* 縦書きの惹句 */
.hero-tate {
  position: absolute;
  right: 56px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  writing-mode: vertical-rl;
  font-family: var(--font-mincho);
  font-size: clamp(17px, 2.1vw, 23px);
  font-weight: 500;
  letter-spacing: 0.42em;
  color: var(--kinari);
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.85);
  padding-top: 6px;
  border-top: 1px solid rgba(240, 231, 214, 0.4);
}
.hero-tate em {
  font-style: normal;
  color: var(--andon-bright);
  font-weight: 700;
}

.hero-scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--kinari-dim);
}
.hero-scroll span {
  font-family: var(--font-mincho);
  font-size: 12px;
  letter-spacing: 0.34em;
  writing-mode: vertical-rl;
}
.scroll-bar {
  width: 1px; height: 46px;
  background: var(--line-strong);
  position: relative;
  overflow: hidden;
}
.scroll-bar::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%; height: 100%;
  background: var(--andon);
  animation: scrolldown 2s infinite;
}
@keyframes scrolldown {
  0%   { top: -100%; }
  60%, 100% { top: 100%; }
}

/* ============================================================
   区切り（縁側ストライプ・格子）
   ============================================================ */
.divider-engawa {
  height: 12px;
  background: repeating-linear-gradient(
    90deg,
    #251d16 0px, #251d16 110px,
    #1d1611 110px, #1d1611 112px,
    #292017 112px, #292017 222px,
    #1d1611 222px, #1d1611 224px
  );
  border-top: 1px solid rgba(0, 0, 0, 0.55);
  border-bottom: 1px solid var(--line);
  position: relative;
  z-index: 2;
}

.divider-koshi {
  height: 30px;
  background-image:
    repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 30px),
    repeating-linear-gradient(0deg, var(--line) 0 1px, transparent 1px 15px);
  background-color: var(--sumi-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  opacity: 0.85;
  position: relative;
  z-index: 2;
}

/* ============================================================
   セクション見出し
   ============================================================ */
.section-header {
  text-align: center;
  margin-bottom: 60px;
}
.section-label {
  display: inline-block;
  font-family: var(--font-mincho);
  font-size: 13.5px;
  letter-spacing: 0.4em;
  color: var(--andon);
  margin-bottom: 16px;
}
.section-label.light { color: var(--andon-bright); }
.section-title {
  font-family: var(--font-mincho);
  font-size: clamp(26px, 4.4vw, 38px);
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--kinari);
  line-height: 1.55;
}
.section-desc {
  margin-top: 18px;
  color: var(--kinari-dim);
  font-size: 15px;
}

/* ============================================================
   コンセプト
   ============================================================ */
#concept { background: var(--sumi); }

.concept-layout {
  display: grid;
  grid-template-columns: 64px 1fr 1fr;
  gap: 44px;
  align-items: center;
  margin-bottom: 80px;
}

.concept-tate {
  writing-mode: vertical-rl;
  font-family: var(--font-mincho);
  font-size: 19px;
  font-weight: 500;
  letter-spacing: 0.38em;
  color: var(--kinari-dim);
  justify-self: center;
  padding-top: 4px;
  border-top: 1px solid var(--line-strong);
  height: fit-content;
  max-height: 360px;
}
.concept-tate em {
  font-style: normal;
  font-size: 1.35em;
  color: var(--andon-bright);
  font-weight: 700;
}

.concept-image { position: relative; }
.concept-image img {
  width: 100%;
  border-radius: 2px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.55);
  border: 1px solid var(--line);
}
.concept-image::before {
  content: '';
  position: absolute;
  top: -14px; left: -14px;
  right: 14px; bottom: 14px;
  border: 1px solid rgba(224, 160, 74, 0.35);
  border-radius: 2px;
  pointer-events: none;
}
.img-caption {
  display: block;
  margin-top: 14px;
  font-family: var(--font-mincho);
  font-size: 12.5px;
  letter-spacing: 0.2em;
  color: var(--kinari-faint);
  text-align: right;
}

.concept-lead {
  font-family: var(--font-mincho);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 600;
  line-height: 1.75;
  letter-spacing: 0.12em;
  color: var(--kinari);
  margin-bottom: 26px;
}
.concept-text p:not(.concept-lead) {
  color: var(--kinari-dim);
  font-size: 15px;
  margin-bottom: 16px;
}

/* 特長カード */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.feature-card {
  background: var(--sumi-2);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 34px 24px 30px;
  text-align: center;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
}
/* カード上辺の行灯ライン */
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 46px; height: 2px;
  background: linear-gradient(90deg, transparent, var(--andon), transparent);
  opacity: 0;
  transition: 0.35s;
}
.feature-card:hover {
  border-color: rgba(224, 160, 74, 0.4);
  transform: translateY(-4px);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.45);
}
.feature-card:hover::before { opacity: 1; width: 100%; }

.feature-icon {
  width: 60px; height: 60px;
  margin: 0 auto 18px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(224, 160, 74, 0.45);
  border-radius: 50%;
  color: var(--andon-bright);
  font-size: 22px;
  background: radial-gradient(circle at 38% 32%, rgba(224, 160, 74, 0.16), transparent 70%);
  animation: lantern-flicker 4.6s infinite ease-in-out;
}
.feature-card h3 {
  font-family: var(--font-mincho);
  font-size: 16.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
  color: var(--kinari);
}
.feature-card p {
  font-size: 13.5px;
  color: var(--kinari-dim);
  line-height: 1.85;
  text-align: left;
}

/* ============================================================
   泊まり方（二択 ＋ 派生プラン）
   ============================================================ */
#stay { background: var(--sumi-2); }

.stay-choice {
  display: grid;
  grid-template-columns: 1fr 72px 1fr;
  gap: 0;
  align-items: stretch;
  margin-bottom: 80px;
}

.stay-panel {
  background: var(--sumi-3);
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.stay-panel:hover {
  border-color: rgba(224, 160, 74, 0.45);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.stay-img {
  position: relative;
  height: 290px;
  overflow: hidden;
}
.stay-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.22, 1, 0.36, 1), filter 0.5s;
  filter: brightness(0.88);
}
.stay-panel:hover .stay-img img {
  transform: scale(1.05);
  filter: brightness(1);
}
/* 写真下端を墨にとけ込ませる */
.stay-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 55%, var(--sumi-3) 100%);
}

.stay-body {
  padding: 6px 34px 34px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.stay-kana {
  font-family: var(--font-mincho);
  font-size: 12.5px;
  letter-spacing: 0.5em;
  color: var(--andon);
  margin-bottom: 6px;
}
.stay-name {
  font-family: var(--font-mincho);
  font-size: clamp(22px, 2.6vw, 27px);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--kinari);
  margin-bottom: 16px;
  line-height: 1.5;
}
.stay-name span {
  display: block;
  font-size: 0.55em;
  font-weight: 400;
  color: var(--kinari-dim);
  letter-spacing: 0.12em;
  margin-top: 4px;
}
.stay-desc {
  font-size: 14.5px;
  color: var(--kinari-dim);
  margin-bottom: 20px;
  flex: 1;
}
.stay-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 26px;
}
.stay-tags li {
  font-size: 12.5px;
  color: var(--kinari-dim);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 5px 14px;
}
.stay-tags li i { color: var(--andon); margin-right: 5px; }

/* 真ん中の「or」 */
.stay-or {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.stay-or::before {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  left: 50%;
  width: 1px;
  background: repeating-linear-gradient(
    to bottom,
    var(--line-strong) 0 8px,
    transparent 8px 16px
  );
}
.stay-or span {
  position: relative;
  z-index: 1;
  font-family: var(--font-mincho);
  font-style: italic;
  font-size: 19px;
  color: var(--andon-bright);
  background: var(--sumi-2);
  border: 1px solid rgba(224, 160, 74, 0.5);
  border-radius: 50%;
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  animation: lantern-flicker 3.8s infinite ease-in-out;
}

/* 派生プラン */
.stay-plus { margin-bottom: 56px; }
.stay-plus-title {
  font-family: var(--font-mincho);
  font-size: clamp(19px, 2.4vw, 23px);
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--kinari);
  text-align: center;
  margin-bottom: 36px;
}

.plus-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
}
.plus-card {
  display: grid;
  grid-template-columns: 220px 1fr;
  background: var(--sumi-3);
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s;
}
.plus-card:hover {
  border-color: rgba(224, 160, 74, 0.4);
  transform: translateY(-3px);
}
.plus-img { position: relative; min-height: 180px; }
.plus-img img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  filter: brightness(0.88);
}
.plus-tag {
  position: absolute;
  top: 12px; left: 12px;
  z-index: 1;
  font-family: var(--font-mincho);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  background: var(--andon);
  color: #241804;
  padding: 4px 12px;
  border-radius: 2px;
}
.plus-tag--winter { background: #9db8c7; color: #14222b; }
.plus-body { padding: 24px 26px; }
.plus-body h4 {
  font-family: var(--font-mincho);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--kinari);
  margin-bottom: 10px;
  line-height: 1.5;
}
.plus-body h4 small {
  display: block;
  font-size: 0.7em;
  font-weight: 400;
  color: var(--andon);
  margin-top: 3px;
  letter-spacing: 0.1em;
}
.plus-body p {
  font-size: 13.5px;
  color: var(--kinari-dim);
  margin-bottom: 14px;
}
.plus-link {
  font-family: var(--font-mincho);
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--andon-bright);
}
.plus-link i {
  margin-left: 6px;
  font-size: 12px;
  transition: transform 0.25s;
}
.plus-link:hover i { transform: translateX(5px); }

/* 注意書き */
.pricing-notes {
  background: var(--sumi);
  border: 1px solid var(--line);
  border-left: 3px solid var(--andon-deep);
  border-radius: 2px;
  padding: 26px 32px;
}
.pricing-notes h4 {
  font-family: var(--font-mincho);
  font-size: 15.5px;
  letter-spacing: 0.08em;
  color: var(--kinari);
  margin-bottom: 12px;
}
.pricing-notes h4 i { color: var(--andon); margin-right: 8px; }
.pricing-notes li {
  font-size: 13.5px;
  color: var(--kinari-dim);
  padding-left: 1.2em;
  position: relative;
  margin-bottom: 6px;
}
.pricing-notes li::before {
  content: '―';
  position: absolute;
  left: 0;
  color: var(--andon-deep);
}

/* ============================================================
   施設案内
   ============================================================ */
#facilities { background: var(--sumi); }

.facilities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  margin-bottom: 60px;
}
.facility-card {
  background: var(--sumi-2);
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s;
}
.facility-card:hover {
  border-color: rgba(224, 160, 74, 0.4);
  transform: translateY(-4px);
}
.facility-img {
  height: 210px;
  overflow: hidden;
}
.facility-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: brightness(0.9);
  transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.facility-card:hover .facility-img img { transform: scale(1.05); }
.facility-body { padding: 26px 28px 30px; }
.facility-body h3 {
  font-family: var(--font-mincho);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--kinari);
  margin-bottom: 12px;
}
.facility-body h3 i { color: var(--andon); margin-right: 9px; font-size: 0.9em; }
.facility-body p { font-size: 13.5px; color: var(--kinari-dim); }

/* アメニティ：格子の升目 */
.amenities {
  background: var(--sumi-2);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 38px 42px;
}
.amenities h3 {
  font-family: var(--font-mincho);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--kinari);
  text-align: center;
  margin-bottom: 28px;
}
.amenity-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.amenity-list li {
  font-size: 13.5px;
  color: var(--kinari-dim);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 16px 18px;
  position: relative;
  padding-left: 38px;
}
.amenity-list li::before {
  content: '✓';
  position: absolute;
  left: 16px;
  color: var(--andon);
}

/* ============================================================
   Instagram
   ============================================================ */
#instagram { background: var(--sumi-2); }
.behold-wrap {
  background: var(--sumi-3);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 26px;
}
.insta-cta { text-align: center; margin-top: 36px; }

/* ============================================================
   アクセス
   ============================================================ */
#access { background: var(--sumi); }
.access-layout {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 44px;
  align-items: start;
}
.access-item {
  display: flex;
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.access-item:first-child { padding-top: 0; }
.access-icon {
  flex-shrink: 0;
  width: 50px; height: 50px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(224, 160, 74, 0.45);
  border-radius: 50%;
  color: var(--andon-bright);
  font-size: 18px;
}
.access-item h4 {
  font-family: var(--font-mincho);
  font-size: 15.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--kinari);
  margin-bottom: 5px;
}
.access-item p { font-size: 14px; color: var(--kinari-dim); }

.access-map {
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
  position: relative;
}
.access-map iframe {
  display: block;
  filter: grayscale(0.35) brightness(0.92) contrast(1.02);
}

/* ============================================================
   お問い合わせ
   ============================================================ */
#contact {
  background: var(--sumi-2);
  text-align: center;
}
.contact-cta { margin-top: -10px; }

/* ============================================================
   予約CTA
   ============================================================ */
#booking {
  position: relative;
  padding: 130px 0;
  overflow: hidden;
  text-align: center;
}
.booking-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(0.5) saturate(0.95);
}
.booking-overlay {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at center, rgba(224, 160, 74, 0.12) 0%, transparent 55%),
    linear-gradient(to bottom, var(--sumi) 0%, transparent 22%, transparent 78%, var(--sumi) 100%);
}
.booking-content {
  position: relative;
  z-index: 2;
  padding: 0 24px;
}
.booking-tate {
  writing-mode: vertical-rl;
  font-family: var(--font-mincho);
  font-size: 16px;
  letter-spacing: 0.4em;
  line-height: 2.4;
  color: var(--kinari);
  margin: 0 auto 28px;
  padding-top: 4px;
  border-top: 1px solid rgba(240, 231, 214, 0.45);
  height: auto;
  display: inline-block;
  text-shadow: 0 2px 10px rgba(0,0,0,0.8);
}
.booking-content h2 {
  font-family: var(--font-mincho);
  font-size: clamp(28px, 4.6vw, 40px);
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--kinari);
  margin-bottom: 18px;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.8);
}
.booking-content > p {
  color: var(--kinari);
  font-size: 15px;
  margin-bottom: 36px;
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.8);
}
.booking-contact {
  margin-top: 26px;
  font-size: 13.5px;
  color: var(--kinari-dim) !important;
}

/* ============================================================
   モーダル
   ============================================================ */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(10, 8, 6, 0.82);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0; visibility: hidden;
  transition: 0.3s;
  z-index: 200;
  padding: 24px;
}
.modal-overlay.active { opacity: 1; visibility: visible; }
.modal-box {
  background: var(--sumi-2);
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  width: 100%;
  max-width: 680px;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  position: relative;
  transform: translateY(16px);
  transition: transform 0.3s;
}
.modal-overlay.active .modal-box { transform: translateY(0); }
.modal-header {
  padding: 20px 28px;
  border-bottom: 1px solid var(--line);
}
.modal-header h3 {
  font-family: var(--font-mincho);
  font-size: 18px;
  letter-spacing: 0.1em;
  color: var(--kinari);
}
.modal-header h3 i { color: var(--andon); margin-right: 9px; }
.modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
  background: #f5f2ec; /* Googleフォームは白系のため */
}
.modal-close {
  position: absolute;
  top: 14px; right: 16px;
  width: 40px; height: 40px;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--kinari);
  font-size: 15px;
  cursor: pointer;
  z-index: 2;
  transition: 0.25s;
}
.modal-close:hover { border-color: var(--andon); color: var(--andon-bright); }

/* ============================================================
   フッター
   ============================================================ */
#footer {
  background: #100d0a;
  border-top: 1px solid var(--line);
  position: relative;
  z-index: 2;
}
.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 64px 24px 48px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 44px;
  flex-wrap: wrap;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}
.footer-logo-char {
  font-family: var(--font-mincho);
  font-size: 30px;
  font-weight: 700;
  color: var(--kinari);
  width: 52px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  border: 1.5px solid var(--andon);
  border-radius: 50%;
}
.footer-logo-name {
  display: block;
  font-family: var(--font-mincho);
  font-size: 17px;
  font-weight: 600;
  color: var(--kinari);
  letter-spacing: 0.1em;
}
.footer-logo-sub {
  display: block;
  font-size: 11.5px;
  color: var(--kinari-faint);
  letter-spacing: 0.26em;
}
.footer-address { font-size: 13.5px; color: var(--kinari-dim); }

.footer-links { text-align: right; }
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  justify-content: flex-end;
  margin-bottom: 24px;
}
.footer-nav a {
  font-family: var(--font-mincho);
  font-size: 13.5px;
  color: var(--kinari-dim);
  letter-spacing: 0.08em;
}
.footer-nav a:hover { color: var(--andon-bright); }
.footer-sns {
  display: flex;
  gap: 14px;
  justify-content: flex-end;
}
.footer-sns a {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--kinari-dim);
  font-size: 16px;
}
.footer-sns a:hover {
  border-color: var(--andon);
  color: var(--andon-bright);
}
.footer-copy {
  border-top: 1px solid var(--line);
  padding: 22px 24px;
  text-align: center;
}
.footer-copy p {
  font-size: 12px;
  color: var(--kinari-faint);
  letter-spacing: 0.08em;
}

/* ============================================================
   スクロールアニメーション
   ============================================================ */
.anim-hidden {
  opacity: 0;
  transform: translateY(26px);
}
.anim-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}

/* ============================================================
   レスポンシブ
   ============================================================ */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .plus-grid { grid-template-columns: 1fr; }
  .hero-tate { right: 34px; }
}

@media (max-width: 860px) {
  .main-nav { display: none; }
  .hamburger { display: flex; }

  section { padding: 72px 0; }
  .sp-only { display: inline; }

  .concept-layout {
    grid-template-columns: 1fr;
    gap: 34px;
  }
  .concept-tate {
    writing-mode: horizontal-tb;
    border-top: none;
    border-left: 2px solid var(--andon-deep);
    padding: 2px 0 2px 16px;
    letter-spacing: 0.22em;
    max-height: none;
    justify-self: start;
  }

  .stay-choice {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .stay-or {
    height: 84px;
  }
  .stay-or::before {
    top: 0; bottom: 0;
    left: 50%;
  }

  .plus-card { grid-template-columns: 1fr; }
  .plus-img { height: 190px; min-height: 0; position: relative; }

  .access-layout { grid-template-columns: 1fr; }
  .amenity-list { grid-template-columns: repeat(2, 1fr); }

  .footer-inner { flex-direction: column; }
  .footer-links { text-align: left; }
  .footer-nav { justify-content: flex-start; }
  .footer-sns { justify-content: flex-start; }

  .hero-tate {
    right: 20px;
    font-size: 15px;
    letter-spacing: 0.3em;
  }
  .hero-frame { inset: 12px; }
}

@media (max-width: 520px) {
  .features-grid { grid-template-columns: 1fr; }
  .amenity-list { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; align-items: stretch; }
  .hero-btns .btn { text-align: center; }
  .hero-tate { display: none; }
  .stay-body { padding: 4px 22px 26px; }
  .amenities { padding: 28px 22px; }
}