/* =========================================================
   城峯公園キャンプ場 — 共通スタイル(宿ベース・深緑パレット)
   ========================================================= */

:root {
  --ink: #16211a;
  --ink-deep: #0b110d;
  --sumi: #223228;
  --awa-sumi: #5a6a5e;
  --kinari: #f1f2ea;
  --washi: #f8f8f2;
  --paper: #e7ebdc;
  --kei: #c2c9b4;
  --kei-thin: #d8ddcb;
  --koke: #33513c;      /* 苔緑 */
  --koke-deep: #274031;
  --shu: #a8642f;       /* 朱（落款用） */

  --serif-jp: "Noto Serif JP", "游明朝", "Yu Mincho", "YuMincho", "Hiragino Mincho ProN", serif;
  --serif-en: "Cormorant Garamond", "EB Garamond", Georgia, serif;
  --sans-en: "Inter", "Helvetica Neue", Arial, sans-serif;

  --max: 1360px;
  --gutter: clamp(20px, 4vw, 56px);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--kinari);
  color: var(--ink);
  font-family: var(--serif-jp);
  font-weight: 300;
  font-feature-settings: "palt";
  letter-spacing: 0.04em;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }

/* Fine hairline */
.hair {
  border: 0;
  border-top: 1px solid var(--kei);
  margin: 0;
}

/* Utility */
.en {
  font-family: var(--serif-en);
  font-weight: 400;
  letter-spacing: 0.12em;
}
.en-sans {
  font-family: var(--sans-en);
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 11px;
}
.tategaki {
  writing-mode: vertical-rl;
  font-feature-settings: "vpal";
}

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

/* ==========================================
   Header — 極細のトップナビ
   ========================================== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  padding: 22px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.6s ease, color 0.6s ease, backdrop-filter 0.6s ease;
}
.site-header.on-image {
  color: var(--washi);
}
.site-header.scrolled {
  background: rgba(241, 242, 234, 0.92);
  backdrop-filter: blur(8px);
  color: var(--ink);
  border-bottom: 1px solid rgba(194, 201, 180, 0.5);
}
.brand {
  display: flex;
  align-items: baseline;
  gap: 14px;
  font-family: var(--serif-jp);
  font-weight: 400;
  font-size: 15px;
  letter-spacing: 0.3em;
}
.brand .en-sans {
  opacity: 0.75;
  font-size: 10px;
}
.nav {
  display: flex;
  gap: clamp(18px, 2.4vw, 36px);
  align-items: center;
}
.nav a {
  font-size: 13px;
  letter-spacing: 0.24em;
  position: relative;
  padding: 6px 0;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 0;
  width: 0; height: 1px;
  background: currentColor;
  transition: width 0.4s ease, left 0.4s ease;
}
.nav a:hover::after { width: 100%; left: 0; }
.nav .en-sans { font-size: 10px; opacity: 0.7; display: block; margin-top: 2px; }
.nav-item { text-align: center; line-height: 1.3; }

.reserve-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 22px;
  border: 1px solid currentColor;
  font-size: 12px;
  letter-spacing: 0.28em;
  transition: background 0.4s ease, color 0.4s ease;
}
.reserve-btn:hover {
  background: var(--ink);
  color: var(--washi);
  border-color: var(--ink);
}
.site-header.on-image .reserve-btn:hover {
  background: var(--washi);
  color: var(--ink);
  border-color: var(--washi);
}

/* ==========================================
   Section base
   ========================================== */
section { position: relative; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: 11px;
  letter-spacing: 0.36em;
  color: var(--awa-sumi);
  margin-bottom: 28px;
}
.eyebrow::before {
  content: "";
  width: 28px; height: 1px;
  background: var(--kei);
}

.section-title {
  font-family: var(--serif-en);
  font-weight: 400;
  font-style: italic;
  font-size: clamp(40px, 5vw, 68px);
  line-height: 1.05;
  letter-spacing: 0.01em;
  margin: 0 0 12px 0;
  color: var(--ink);
}
.section-title-jp {
  font-family: var(--serif-jp);
  font-weight: 400;
  font-size: clamp(20px, 2vw, 26px);
  letter-spacing: 0.4em;
  color: var(--sumi);
  margin: 0 0 40px 0;
}

.lead {
  font-size: 15px;
  line-height: 2.2;
  color: var(--sumi);
  max-width: 42em;
  font-weight: 300;
}

/* ==========================================
   Seal / 落款
   ========================================== */
.seal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1.5px solid var(--shu);
  color: var(--shu);
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: 20px;
  line-height: 1;
  letter-spacing: 0;
  position: relative;
  background: rgba(138, 58, 42, 0.02);
}
.seal::before {
  content: "";
  position: absolute;
  inset: 2px;
  border: 1px solid var(--shu);
  opacity: 0.35;
}

/* ==========================================
   Footer
   ========================================== */
.site-footer {
  background: var(--ink-deep);
  color: var(--kinari);
  padding: 96px var(--gutter) 40px;
  margin-top: 120px;
  font-weight: 300;
}
.site-footer .footer-grid {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 60px;
}
.site-footer h4 {
  font-family: var(--serif-en);
  font-style: italic;
  font-weight: 400;
  font-size: 20px;
  margin: 0 0 20px 0;
  color: var(--kinari);
  opacity: 0.9;
}
.site-footer h4 .jp {
  display: block;
  font-family: var(--serif-jp);
  font-style: normal;
  font-size: 12px;
  letter-spacing: 0.3em;
  margin-top: 6px;
  opacity: 0.6;
}
.site-footer ul {
  list-style: none;
  padding: 0; margin: 0;
  font-size: 13px;
  line-height: 2.2;
}
.site-footer ul a {
  opacity: 0.7;
  transition: opacity 0.3s;
}
.site-footer ul a:hover { opacity: 1; }
.site-footer .brand-block .en {
  font-size: 28px;
  font-style: italic;
}
.site-footer .brand-block p {
  opacity: 0.6;
  font-size: 13px;
  line-height: 2;
  margin: 16px 0 0;
}
.footer-bottom {
  max-width: var(--max);
  margin: 80px auto 0;
  padding-top: 30px;
  border-top: 1px solid rgba(244, 239, 230, 0.12);
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  letter-spacing: 0.2em;
  opacity: 0.5;
}
@media (max-width: 800px) {
  .site-footer .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .footer-bottom { flex-direction: column; gap: 12px; }
}

/* ==========================================
   Webフォント確定ゲート（文字の詰め直しを見せない）
   ・フォント読み込み完了(または1.2秒)まで大型テキストを透明にし、
     確定後に reveal と同じトーンでふわっと表示する
   ・JS無効時は .js が付かないので常に表示（フェイルセーフ）
   ========================================== */
.js .hero-inner,
.js .page-hero-inner,
.js .hero-nav,
.js .brand {
  transition: opacity 0.9s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.js.fonts-loading .hero-inner,
.js.fonts-loading .page-hero-inner,
.js.fonts-loading .hero-nav,
.js.fonts-loading .brand {
  opacity: 0;
}
/* 動きを減らす設定の環境では、ゲートもフェードも使わず常時表示(安全側) */
@media (prefers-reduced-motion: reduce) {
  .js .hero-inner, .js .page-hero-inner, .js .hero-nav, .js .brand { transition: none; }
  .js.fonts-loading .hero-inner,
  .js.fonts-loading .page-hero-inner,
  .js.fonts-loading .hero-nav,
  .js.fonts-loading .brand { opacity: 1; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-slide { transition: none; }
  .hero-slide.active { animation: none; }
}

/* ==========================================
   Reveal on scroll (fade + slight rise)
   ========================================== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 1.2s cubic-bezier(0.22, 0.61, 0.36, 1),
              transform 1.2s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}
.reveal.delay-1 { transition-delay: 0.15s; }
.reveal.delay-2 { transition-delay: 0.3s; }
.reveal.delay-3 { transition-delay: 0.45s; }

/* ==========================================
   Chapter divider（章仕切り）
   ========================================== */
.chapter {
  padding: 80px 0;
  text-align: center;
  background: var(--kinari);
}
.chapter-line {
  display: inline-flex;
  align-items: center;
  gap: 40px;
  justify-content: center;
  color: var(--awa-sumi);
  /* スマホで飾り線が画面幅を突き破らないように(2026-07-10 横はみ出し修正) */
  max-width: 100%;
  padding: 0 16px;
  box-sizing: border-box;
}
.chapter-line hr {
  /* 幅120pxを上限に、狭い画面では縮む */
  flex: 0 1 120px;
  min-width: 24px;
  border: 0;
  border-top: 1px solid var(--kei);
  margin: 0;
}
@media (max-width: 480px) {
  .chapter-line { gap: 20px; }
}
.chapter-line .kanji {
  font-family: var(--serif-jp);
  font-size: 14px;
  letter-spacing: 1em;
  padding-left: 1em;
}
.chapter-line .roman {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 20px;
}

/* ==========================================
   Feature（画像＋テキストの2カラム帯）
   トップページとサブページ（湯処詳細など）で共用
   ========================================== */
.feature {
  padding: 120px 0;
  background: var(--kinari);
}
.feature.alt {
  background: var(--paper);
}
.feature-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.feature.reverse .feature-image { order: 2; }
.feature.reverse .feature-text  { order: 1; }
.feature-image {
  aspect-ratio: 4/5;
  background-size: cover;
  background-position: center;
  position: relative;
}
.feature-number {
  position: absolute;
  top: -10px; left: -20px;
  font-family: var(--serif-en);
  font-style: italic;
  font-weight: 300;
  font-size: 88px;
  line-height: 1;
  color: var(--awa-sumi);
  opacity: 0.4;
  background: var(--kinari);
  padding: 0 8px;
}
.feature.alt .feature-number { background: var(--paper); }
.feature-text .eyebrow { margin-bottom: 24px; }
.feature-text h3 {
  font-family: var(--serif-en);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(38px, 4.4vw, 60px);
  line-height: 1.05;
  margin: 0 0 8px 0;
  color: var(--ink);
}
.feature-text h3 .jp {
  display: block;
  font-family: var(--serif-jp);
  font-style: normal;
  font-size: 17px;
  letter-spacing: 0.5em;
  color: var(--sumi);
  margin-top: 14px;
  font-weight: 400;
}
.feature-text p {
  font-size: 15px;
  line-height: 2.2;
  color: var(--sumi);
  margin: 32px 0;
}
.feature-link {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 15px;
  letter-spacing: 0.05em;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--ink);
  transition: gap 0.4s ease;
}
.feature-link:hover { gap: 22px; }
.feature-link::after {
  content: "→";
  font-style: normal;
  font-family: var(--serif-jp);
}
@media (max-width: 900px) {
  .feature-inner { grid-template-columns: 1fr; gap: 50px; }
  .feature.reverse .feature-image { order: 0; }
}

/* ==========================================
   電話リンク・注記
   ========================================== */
a.tel-link { border-bottom: 1px dotted currentColor; }
.note-center {
  text-align: center;
  padding: 40px 0 120px;
  color: var(--awa-sumi);
  font-family: var(--serif-jp);
  font-size: 13px;
  letter-spacing: 0.3em;
  line-height: 2.4;
}

/* ==========================================
   モバイルナビ（ハンバーガー）
   ========================================== */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 7px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: 0;
  cursor: pointer;
  z-index: 120;
}
.nav-toggle span {
  display: block;
  height: 1px;
  width: 100%;
  background: currentColor;
  transition: transform 0.4s ease, opacity 0.4s ease;
}
body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(14, 13, 11, 0.96);
  color: var(--washi);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 26px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}
body.nav-open .mobile-nav { opacity: 1; visibility: visible; }
body.nav-open { overflow: hidden; }
body.nav-open .site-header {
  color: var(--washi);
  z-index: 110;   /* オーバーレイ(100)の上に出す。50のままだと×がオーバーレイに覆われ押せない */
  background: transparent;
  backdrop-filter: none;
  border-bottom: 0;
}
.mobile-nav a {
  font-family: var(--serif-jp);
  font-size: 17px;
  letter-spacing: 0.4em;
  text-align: center;
}
.mobile-nav a .en-sans {
  display: block;
  font-size: 10px;
  opacity: 0.6;
  margin-top: 4px;
}
.mobile-nav .reserve-btn {
  margin-top: 18px;
  font-size: 13px;
}
.mobile-nav .mobile-tel {
  font-family: var(--serif-en);
  font-size: 15px;
  letter-spacing: 0.15em;
  opacity: 0.85;
}
@media (max-width: 900px) {
  .nav { display: none; }
  .nav-toggle { display: flex; }
  .brand { letter-spacing: 0.18em; }
}

/* 中間幅での折り返し防止 */
@media (max-width: 1080px) {
  .brand .en-sans { display: none; }
  .nav { gap: 16px; }
  .nav a { letter-spacing: 0.14em; }
}


/* ==========================================
   キャンプ場サイト固有の部品
   ========================================== */
.text-link {
  display: inline-block;
  margin-top: 18px;
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--koke-deep);
  border-bottom: 1px solid var(--kei);
  padding-bottom: 3px;
}
.text-link:hover { border-color: var(--koke-deep); }

.tax-note { font-size: 12px; color: var(--awa-sumi); letter-spacing: 0.08em; margin: 0 0 24px; }
.muted-lead { color: var(--awa-sumi); font-size: 13px; letter-spacing: 0.1em; }

.price-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.price-table td { padding: 9px 8px; border-bottom: 1px solid var(--kei-thin); vertical-align: top; }
.price-table td.pr { text-align: right; white-space: nowrap; font-weight: 600; }
.price-table td.nt { color: var(--awa-sumi); font-size: 12px; width: 38%; }

.thumb-row { display: flex; gap: 8px; margin-top: 14px; flex-wrap: wrap; }
.thumb-row img { width: calc(25% - 6px); min-width: 90px; aspect-ratio: 4/3; object-fit: cover; border-radius: 4px; }

.map-image { text-align: center; }
.map-image img { max-width: 100%; height: auto; border: 1px solid var(--kei-thin); border-radius: 6px; background: #fff; }

.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.gallery-grid img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: 4px; }
@media (max-width: 800px) { .gallery-grid { grid-template-columns: repeat(2, 1fr); } }

.flow-list { list-style: none; margin: 0; padding: 0; }
.flow-list li { display: flex; gap: 22px; padding: 22px 0; border-bottom: 1px solid var(--kei-thin); }
.flow-num { font-size: 26px; color: var(--koke); min-width: 48px; letter-spacing: 0.05em; }
.flow-body h4 { margin: 2px 0 8px; font-size: 16px; letter-spacing: 0.14em; }
.flow-body p { margin: 0; font-size: 13.5px; line-height: 2; color: var(--sumi); }

.rental-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 26px; }
.rental-group h4 { margin: 0 0 10px; font-size: 14px; letter-spacing: 0.2em; color: var(--koke-deep);
  border-left: 3px solid var(--koke); padding-left: 10px; }

.shop-list { margin-top: 30px; }
.shop-item { padding: 16px 0; border-bottom: 1px solid var(--kei-thin); }
.shop-item h4 { margin: 0 0 4px; font-size: 15px; letter-spacing: 0.12em; }
.shop-item .addr { font-size: 11px; color: var(--awa-sumi); letter-spacing: 0.06em; }
.shop-item p { margin: 6px 0 0; font-size: 13.5px; color: var(--sumi); }

.route-figure { margin: 16px 0 0; }
.route-figure img { max-width: 320px; width: 100%; border-radius: 4px; }
.route-figure figcaption { font-size: 11px; color: var(--awa-sumi); margin-top: 6px; }

/* トップはナビをヒーロー下部バーに出すため、上部ヘッダーはロゴのみ(デスクトップ) */
.site-header.index-header .nav { display: none; }
.site-header.index-header .nav-toggle { display: flex; color: var(--washi); }
.site-header.index-header.scrolled .nav-toggle { color: var(--ink); }


/* ==========================================
   画面張り付きの予約ボタン(全ページ)
   ========================================== */
.fixed-reserve {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 90;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 13px 26px 11px;
  background: rgba(248, 248, 242, 0.96);
  color: var(--koke-deep);
  border: 1px solid var(--kei);
  border-radius: 999px;
  box-shadow: 0 8px 28px rgba(11, 17, 13, 0.22);
  text-align: center;
  transition: background 0.4s ease, color 0.4s ease, transform 0.3s ease;
}
.fixed-reserve:hover {
  background: var(--koke-deep);
  color: var(--washi);
  transform: translateY(-2px);
}
.fixed-reserve .fr-label {
  font-size: 13px;
  letter-spacing: 0.22em;
  font-weight: 500;
}
.fixed-reserve .fr-note {
  font-size: 8.5px;
  letter-spacing: 0.24em;
  opacity: 0.75;
}
@media (max-width: 800px) {
  .fixed-reserve { right: 12px; bottom: 12px; padding: 11px 20px 9px; }
  .fixed-reserve .fr-label { font-size: 12px; }
}
body.nav-open .fixed-reserve { display: none; }   /* 全画面ナビ表示中は隠す */