/* ------------------------------------
   Base variables
------------------------------------ */
:root {
  --bg-main: #fdfbf6;
  --bg-alt: #f4f2ec;
  --walnut: #6b4e3d;
  --text-main: #4a3a2a;
  --deep-green: #00584d;
  --accent-orange: #c96a30;
  --border-soft: rgba(0, 0, 0, 0.06);
  --max-width: 1120px;
}

/* ------------------------------------
   Reset / Base
------------------------------------ */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.8;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ------------------------------------
   Header / Navigation
------------------------------------ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(253, 251, 246, 0.96);
  border-bottom: 1px solid var(--border-soft);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  overflow: hidden;
}

.brand-name {
  font-family: "Playfair Display", serif;
  font-size: 1.1rem;
  color: var(--deep-green);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
}

.nav {
  display: flex;
  gap: 24px;
  font-size: 0.9rem;
}

.nav a {
  position: relative;
  padding-bottom: 2px;
  color: rgba(0, 0, 0, 0.7);
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background-color: var(--deep-green);
  transition: width 0.2s ease-out;
}

.nav a:hover::after {
  width: 100%;
}



/* ------------------------------------
   Sections
------------------------------------ */

.section {
  padding: 80px 0;
}

.section--alt {
  background-color: var(--bg-alt);
}

h1, h2, h3 {
  font-family: "Playfair Display", serif;
  letter-spacing: 0.04em;
  margin: 0;
}

.section-heading-sub {
  text-align: center;
  font-size: 0.95rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(0, 0, 0, 0.45);
  margin-bottom: 40px;
}

/* ------------------------------------
   Cards (汎用)
------------------------------------ */

.card {
  background-color: #fff;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--border-soft);
  box-shadow: 0 10px 28px rgba(0,0,0,0.04);
}

.card-body {
  padding: 20px 22px 22px;
}

/* ------------------------------------
   Parking / Rooms 用 共通
------------------------------------ */

.page-title {
  font-family: 'Playfair Display', serif;
  font-size: 32px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--walnut);
}

.breadcrumb a {
  color: #6b4e3d;
  font-size: 14px;
}

.breadcrumb a:hover {
  opacity: 0.7;
}

.section-card {
  background: #ffffff;
  padding: 22px 20px;
  border-radius: 14px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.04);
  margin-bottom: 26px;
}

.section-card h2 {
  font-size: 20px;
  margin-bottom: 12px;
  font-family: 'Playfair Display', serif;
  color: #6b4e3d;
}

.section-card p,
.section-card ul {
  font-size: 15px;
}

/* ------------------------------------
   Lightbox (index 由来)
------------------------------------ */

.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(4px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease-out;
}

.lightbox-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-overlay img {
  max-width: 92vw;
  max-height: 92vh;
  border-radius: 12px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
  transition: transform 0.25s ease-out;
}
/* ===== Lightbox ナビゲーション矢印 ===== */

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: none;
  background: rgba(0,0,0,0.55);
  color: #fff;
  font-size: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
}

.lightbox-prev { left: 16px; }
.lightbox-next { right: 16px; }

.lightbox-nav:hover {
  background: rgba(0,0,0,0.8);
}

@media (max-width: 900px) {
  .lightbox-nav {
    width: 36px;
    height: 36px;
    font-size: 20px;
  }
}


/* ------------------------------------
   Buttons / helpers
------------------------------------ */

.btn-parking {
  color: var(--deep-green) !important;
  border-color: var(--deep-green) !important;
  font-weight: 500;
}

.btn-parking:hover {
  background-color: var(--deep-green) !important;
  color: #ffffff !important;
}

/* ゴルフ場ページなど用：最初のセクションの上余白を半分にする */
.section--tight-top {
  padding-top: 40px !important;
}

/* ページ上部余白を少なめにするクラス（駐車場・ゴルフ場などで使用） */
.page-top-narrow {
  padding-top: 40px !important;
}

@media (max-width: 900px) {
  .page-top-narrow {
    padding-top: 32px !important;
  }
}
/* ------------------------------------
   Page hero & lead text
------------------------------------ */

.page-hero {
  padding: 72px 0 40px;
}

.page-lead {
  font-size: 0.98rem;
  color: rgba(0, 0, 0, 0.82);
  max-width: 780px;
  line-height: 1.9;
}

@media (max-width: 900px) {
  .page-hero {
    padding: 56px 0 32px;
  }
}

/* ------------------------------------
   2カラム情報カード（ニシタチ・ゴルフ場など）
------------------------------------ */

.info-grid,
.course-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.info-card,
.course-card {
  background: #fff;
  border-radius: 16px;
  padding: 20px 22px;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.04);
  border: 1px solid var(--border-soft);
}

.info-card h2,
.course-card h2 {
  font-size: 1.15rem;
  margin: 0 0 6px;
  color: var(--walnut);
}

.info-card p,
.info-card ul,
.course-card p,
.course-card ul {
  font-size: 0.9rem;
  margin: 0;
  color: rgba(0, 0, 0, 0.82);
}

.info-card ul,
.course-card ul {
  padding-left: 1.2em;
  margin-top: 4px;
}

/* セクション内の小見出し & ハイライトボックス */

.section-subtitle {
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(0, 0, 0, 0.5);
  margin-bottom: 10px;
}

.highlight,
.note-box {
  background: #fff;
  padding: 18px 20px;
  border-radius: 14px;
  border: 1px solid var(--border-soft);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.03);
  font-size: 0.9rem;
}

/* ゴルフ場カードのサブ情報 */

.course-meta {
  font-size: 0.82rem;
  color: #a67c52;
  margin-bottom: 8px;
}

/* スマホ時は1カラムに */

@media (max-width: 900px) {
  .info-grid,
  .course-grid {
    grid-template-columns: 1fr;
  }
}
/* ------------------------------------
   Simulator Page
------------------------------------ */

/* 全体の余白調整 */
.page-simulator .section {
  padding: 80px 0;
}

.page-simulator h2 {
  font-family: "Playfair Display", serif;
  font-size: 1.9rem;
  margin-bottom: 18px;
  color: var(--walnut);
}

.page-simulator h3 {
  font-family: "Playfair Display", serif;
  font-size: 1.25rem;
  margin-bottom: 10px;
  color: var(--walnut);
}

/* Hero */
.hero-simulator {
  background: linear-gradient(120deg, rgba(0, 45, 35, 0.75), rgba(0, 0, 0, 0.45)),
              url("/images/simulator-1.jpg");
  background-size: cover;
  background-position: center;
  padding: 140px 20px;
  color: #fff;
  text-align: center;
}

.hero-simulator .hero-title {
  font-size: clamp(2.2rem, 4vw, 3rem);
}

.hero-simulator .hero-subtitle {
  opacity: 0.92;
  margin-top: 18px;
  font-size: 1rem;
  line-height: 1.8;
}

/* セクション共通 */
.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-lead {
  font-size: 1rem;
  color: rgba(0,0,0,0.78);
  max-width: 760px;
  margin: 14px auto 0;
  line-height: 1.85;
}

/* 3カード（01〜03） */
.simulator-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.simulator-card {
  background: #fff;
  padding: 26px 24px;
  border-radius: 16px;
  box-shadow: 0 8px 22px rgba(0,0,0,0.04);
  border: 1px solid var(--border-soft);
}

.simulator-card-text {
  font-size: 0.95rem;
  color: rgba(0,0,0,0.82);
}

/* スマホで1カラム */
@media (max-width: 900px) {
  .simulator-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

/* よくあるミス例（2カラム） */
.simulator-miss-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
}

.simulator-miss-item ul {
  padding-left: 1.2em;
}

.simulator-miss-item p {
  margin-top: 12px;
  font-size: 0.95rem;
  color: rgba(0,0,0,0.8);
}

@media (max-width: 900px) {
  .simulator-miss-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

/* ショットデータ 2カラム */
.simulator-data-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.simulator-data-list {
  background: #fff;
  padding: 20px 22px;
  border-radius: 14px;
  border: 1px solid var(--border-soft);
  box-shadow: 0 6px 18px rgba(0,0,0,0.04);
  font-size: 0.93rem;
}

.simulator-data-list li + li {
  margin-top: 6px;
}

@media (max-width: 900px) {
  .simulator-data-grid {
    grid-template-columns: 1fr;
  }
}

/* スイング + 練習モード（2カラム） */
.simulator-modes-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 32px;
}

.simulator-modes-item ul {
  padding-left: 1.2em;
}

@media (max-width: 900px) {
  .simulator-modes-grid {
    grid-template-columns: 1fr;
  }
}

/* Night ラウンド */
.section-simulator-night {
  background: var(--bg-alt);
}

.simulator-night-content {
  max-width: 740px;
  margin: 0 auto;
}

.simulator-night-content ul {
  padding-left: 1.2em;
  margin-bottom: 14px;
}

.simulator-night-content p {
  font-size: 0.98rem;
  color: rgba(0,0,0,0.82);
  margin-top: 12px;
}
/* ------------------------------------
   Simulator Hero (Nishitachi風レイアウト)
------------------------------------ */

.simulator-hero {
  padding-top: 72px;
  padding-bottom: 72px;
}

.simulator-hero-card {
  background: #fff;
  border-radius: 24px;
  box-shadow: 0 16px 40px rgba(0,0,0,0.06);
  padding: 32px 36px;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 32px;
  align-items: center;
}

.simulator-hero-media img {
  width: 100%;
  height: 100%;
  max-height: 360px;
  object-fit: cover;
  border-radius: 18px;
}

.simulator-hero-content {
  max-width: 520px;
  margin-left: auto;
}

.simulator-hero-eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(0,0,0,0.5);
  margin-bottom: 10px;
}

.simulator-hero-title {
  font-family: "Playfair Display", serif;
  font-size: clamp(1.9rem, 3vw, 2.4rem); /* ニシタチより少し小さめ */
  letter-spacing: 0.04em;
  margin: 0 0 14px;
  color: var(--walnut);
}

.simulator-hero-text {
  font-size: 0.92rem;          /* ← 文字少し小さめ */
  line-height: 1.9;
  color: rgba(0,0,0,0.8);
}

/* スマホ時は縦並び */
@media (max-width: 900px) {
  .simulator-hero {
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .simulator-hero-card {
    grid-template-columns: 1fr;
    padding: 22px 18px;
    border-radius: 18px;
    gap: 20px;
  }

  .simulator-hero-content {
    max-width: none;
    margin-left: 0;
  }

  .simulator-hero-title {
    font-size: 1.8rem;
  }

  .simulator-hero-text {
    font-size: 0.9rem;
  }
}
/* ------------------------------------
   Simulator Manual Images
------------------------------------ */

.section-simulator-manual {
  background-color: var(--bg-main);
}

.simulator-manual-group + .simulator-manual-group {
  margin-top: 56px;
}

.simulator-manual-heading {
  font-family: "Playfair Display", serif;
  font-size: 1.3rem;
  margin: 0 0 18px;
  color: var(--walnut);
}

.simulator-manual-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.simulator-manual-item {
  margin: 0;
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border-soft);
  box-shadow: 0 10px 26px rgba(0,0,0,0.04);
  font-size: 0.9rem;
  color: rgba(0,0,0,0.8);
}

.simulator-manual-item img {
  width: 100%;
  display: block;
}

.simulator-manual-item figcaption {
  padding: 14px 16px 16px;
  line-height: 1.7;
}

/* スマホは1カラムで縦に並べる */
@media (max-width: 900px) {
  .simulator-manual-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
}
/* ------------------------------------
   Sauna Page
------------------------------------ */

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

.page-sauna h2 {
  font-family: "Playfair Display", serif;
  font-size: 1.9rem;
  margin-bottom: 18px;
  color: var(--walnut);
}

.page-sauna h3 {
  font-family: "Playfair Display", serif;
  font-size: 1.25rem;
  margin-bottom: 10px;
  color: var(--walnut);
}

/* Hero */

.sauna-hero {
  padding-top: 72px;
  padding-bottom: 72px;
}

.sauna-hero-card {
  background: #fff;
  border-radius: 24px;
  box-shadow: 0 16px 40px rgba(0,0,0,0.06);
  padding: 32px 36px;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 32px;
  align-items: center;
}

.sauna-hero-media img {
  width: 100%;
  height: 100%;
  max-height: 360px;
  object-fit: cover;
  border-radius: 18px;
}

.sauna-hero-content {
  max-width: 520px;
  margin-left: auto;
}

.sauna-hero-eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(0,0,0,0.5);
  margin-bottom: 10px;
}

.sauna-hero-title {
  font-family: "Playfair Display", serif;
  font-size: clamp(1.9rem, 3vw, 2.4rem);
  letter-spacing: 0.04em;
  margin: 0 0 14px;
  color: var(--walnut);
}

.sauna-hero-text {
  font-size: 0.92rem;
  line-height: 1.9;
  color: rgba(0,0,0,0.8);
}

/* Features */

.sauna-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.sauna-card {
  background: #fff;
  padding: 26px 24px;
  border-radius: 16px;
  box-shadow: 0 8px 22px rgba(0,0,0,0.04);
  border: 1px solid var(--border-soft);
}

.sauna-card-text {
  font-size: 0.95rem;
  color: rgba(0,0,0,0.82);
}

/* Stove 2ペイン */

.section-sauna-stove {
  background-color: var(--bg-alt);
}

.sauna-stove-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  gap: 32px;
  align-items: center;
}

.sauna-stove-media img {
  width: 100%;
  max-width: 360px;
  margin: 0 auto;
  display: block;
  border-radius: 18px;
  box-shadow: 0 12px 32px rgba(0,0,0,0.08);
}

.sauna-stove-content p {
  font-size: 0.95rem;
  color: rgba(0,0,0,0.82);
  margin-bottom: 12px;
}

.sauna-stove-note {
  font-size: 0.86rem;
  opacity: 0.8;
}

/* MySauna grid */

.sauna-mysauna-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.sauna-mysauna-item {
  margin: 0;
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border-soft);
  box-shadow: 0 8px 22px rgba(0,0,0,0.04);
  font-size: 0.9rem;
  color: rgba(0,0,0,0.82);
}

.sauna-mysauna-item img {
  width: 100%;
  display: block;
}

.sauna-mysauna-item figcaption {
  padding: 12px 14px 14px;
  line-height: 1.7;
}

/* Flow（浴室＋ベランダ） */

.sauna-flow-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-bottom: 18px;
}

.sauna-flow-item {
  margin: 0;
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border-soft);
  box-shadow: 0 8px 22px rgba(0,0,0,0.04);
  font-size: 0.9rem;
  color: rgba(0,0,0,0.82);
}

.sauna-flow-item img {
  width: 100%;
  display: block;
}

.sauna-flow-item figcaption {
  padding: 12px 14px 14px;
  line-height: 1.7;
}

.sauna-flow-text {
  max-width: 720px;
  margin: 0 auto;
  font-size: 0.95rem;
  color: rgba(0,0,0,0.85);
  text-align: center;
}

/* Water */

.sauna-water-box {
  background: #fff;
  padding: 22px 24px;
  border-radius: 16px;
  border: 1px solid var(--border-soft);
  box-shadow: 0 8px 20px rgba(0,0,0,0.03);
  max-width: 820px;
  margin: 0 auto;
  font-size: 0.95rem;
}

.sauna-water-box ul {
  padding-left: 1.2em;
  margin-bottom: 10px;
}

/* Wood */

.sauna-wood-figure {
  margin: 0;
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border-soft);
  box-shadow: 0 8px 22px rgba(0,0,0,0.04);
  font-size: 0.9rem;
  color: rgba(0,0,0,0.82);
}

.sauna-wood-figure img {
  width: 100%;
}

.sauna-wood-figure figcaption {
  padding: 12px 14px 16px;
  line-height: 1.7;
}

/* Notes */

.sauna-notes-box {
  background: #fff;
  padding: 22px 24px;
  border-radius: 16px;
  border: 1px solid var(--border-soft);
  box-shadow: 0 8px 20px rgba(0,0,0,0.03);
  max-width: 820px;
  margin: 0 auto;
  font-size: 0.95rem;
}

.sauna-notes-box ul {
  padding-left: 1.2em;
  margin-bottom: 10px;
}

/* Responsive */

@media (max-width: 900px) {
  .sauna-hero {
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .sauna-hero-card {
    grid-template-columns: 1fr;
    padding: 22px 18px;
    border-radius: 18px;
    gap: 20px;
  }

  .sauna-hero-content {
    max-width: none;
    margin-left: 0;
  }

  .sauna-hero-title {
    font-size: 1.8rem;
  }

  .sauna-hero-text {
    font-size: 0.9rem;
  }

  .sauna-grid,
  .sauna-mysauna-grid {
    grid-template-columns: 1fr;
  }

  .sauna-stove-layout {
    grid-template-columns: 1fr;
  }

  .sauna-flow-grid {
    grid-template-columns: 1fr;
  }
}
/* ================================
   Sauna 2ペインレイアウト
================================ */

.sauna-flow-2col,
.sauna-water-2col {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: 32px;
  align-items: center;
}

.sauna-flow-media img,
.sauna-water-media img {
  width: 100%;
  border-radius: 16px;
  box-shadow: 0 8px 22px rgba(0,0,0,0.06);
}

.sauna-flow-content p,
.sauna-water-content p,
.sauna-water-content ul {
  font-size: 0.95rem;
  color: rgba(0,0,0,0.82);
  line-height: 1.8;
}

.sauna-water-content ul {
  padding-left: 1.2em;
  margin: 12px 0 16px;
}

@media (max-width: 900px) {
  .sauna-flow-2col,
  .sauna-water-2col {
    grid-template-columns: 1fr;
  }

  .sauna-flow-media img,
  .sauna-water-media img {
    max-width: 100%;
  }
}
/* ハンバーガー初期状態（PCでは非表示） */
.nav-toggle {
  display: none;
  width: 32px;
  height: 28px;
  border: none;
  background: transparent;
  padding: 0;
  margin-left: 12px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: #1c3b30; /* 深めのグリーン */
  border-radius: 999px;
  position: relative;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle span + span {
  margin-top: 6px;
}

/* 開いたときの「×」 */
.site-header.is-open .nav-toggle span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.site-header.is-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}
.site-header.is-open .nav-toggle span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* スマホレイアウト */
@media (max-width: 900px) {
  .header-inner {
    position: relative;
  }

  .nav-toggle {
    display: block;
  }

  .nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    background-color: #fdf8f0;
    border-top: 1px solid rgba(0,0,0,0.06);
    display: none; /* デフォルトは閉じる */
    padding: 8px 16px 16px;
  }

  .nav a {
    display: block;
    padding: 10px 4px;
    font-size: 0.9rem;
  }

  .site-header.is-open .nav {
    display: block;
  }
}

/* PC はこれまで通り .nav が表示される想定（style.css側の既存定義を使用） */