/* =============================================================
   ISLANDSTAY 珊瑚  –  宿泊サイト用スタイルシート
   site/assets/css/site.css
   ============================================================= */

/* =============================================================
   ブランドカラー変数（ロゴ: 珊瑚 SANGO より）
   背景ベージュ: #EDE5DB  /  メインブラウン: #452A18
   フォント: Klee One（見出し・手書き風） / Zen Kaku Gothic New（本文・丸ゴシック）
   ============================================================= */
:root {
  --color-primary:      #452A18;  /* アースブラウン（ロゴメイン色） */
  --color-primary-dark: #2E1A0E;  /* ダークブラウン（hover） */
  --color-primary-mid:  #6B4226;  /* ミドルブラウン */
  --color-primary-lite: #8B5A2B;  /* ライトブラウン */
  --color-sand:         #C4956A;  /* サンドブラウン（done・サブアクセント） */
  --color-bg-warm:      #EDE5DB;  /* サンドベージュ（ロゴ背景色） */
  --color-bg-soft:      #F2EBE2;  /* ソフトベージュ（ページ背景） */
  --color-bg-pale:      #F8F4EF;  /* ペールベージュ（カード内背景） */
  --color-text:         #3D2B1F;
  --color-text-dark:    #2A1A10;
  --color-text-muted:   #7A6355;
  /* フォントファミリー */
  --font-heading: 'Klee One', 'YuMincho', 'Yu Mincho', serif;   /* 手書き風・見出し */
  --font-body:    'Zen Kaku Gothic New', 'Hiragino Kaku Gothic ProN', sans-serif; /* 丸ゴシック・本文 */
}

/* ---------- reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg-soft);
  line-height: 1.8;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Section共通 ---------- */
.section-label {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--color-primary-lite);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 600;
  color: var(--color-text-dark);
  margin-bottom: 12px;
}

.section-sub {
  color: var(--color-text-muted);
  margin-bottom: 40px;
  font-size: 0.93rem;
}

/* =============================================
   NEWS BAR
   ============================================= */
.news-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1001;
  background: var(--color-primary);
  color: rgba(255,255,255,0.92);
  font-size: 0.78rem;
  padding: 5px 24px;
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.news-bar-date  { opacity: 0.75; flex-shrink: 0; }
.news-bar-title { font-weight: 700; flex-shrink: 0; }
.news-bar-body  { opacity: 0.85; overflow: hidden; text-overflow: ellipsis; }

/* ニュースバーがある時はヘッダーを下げる */
body:has(.news-bar) .site-header { top: 28px; }
body:has(.news-bar) .hero        { padding-top: 28px; }

/* =============================================
   HEADER
   ============================================= */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  background: rgba(248,244,239,0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(69,42,24,0.1);
  transition: box-shadow 0.3s;
}

.site-header.scrolled {
  box-shadow: 0 2px 12px rgba(0,0,0,0.1);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
}

.header-logo { display: flex; align-items: center; gap: 10px; }
.header-logo-img { height: 36px; width: auto; }

/* ロゴ画像が無い場合のテキストフォールバック */
.header-logo-text {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text-dark);
  letter-spacing: 0.05em;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.header-nav a {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  color: var(--color-primary-mid);
  transition: color 0.2s;
}

.header-nav a:hover { color: #452A18; }

.nav-booking-btn {
  background: #452A18;
  color: #fff !important;
  padding: 8px 20px;
  border-radius: 4px;
  font-size: 0.85rem;
  font-weight: 500;
  transition: background 0.2s;
}

.nav-booking-btn:hover { background: #2E1A0E !important; }

/* ハンバーガー（スマホ） */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #333;
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =============================================
   HERO
   ============================================= */
.hero {
  position: relative;
  height: 100svh;
  min-height: 520px;
  overflow: hidden;
}

.hero-slides {
  position: absolute;
  inset: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

.hero-slide.active { opacity: 1; }

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,0.18) 0%,
    rgba(0,0,0,0.45) 60%,
    rgba(0,0,0,0.65) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
  color: #fff;
  padding: 80px 24px 120px;
}

.hero-badge {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  border: 1px solid rgba(255,255,255,0.7);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
  color: rgba(255,255,255,0.9);
}

.hero-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-bottom: 16px;
}

.hero-title-ja {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: 0.1em;
}

.hero-title-en {
  font-size: clamp(0.65rem, 2vw, 0.9rem);
  letter-spacing: 0.35em;
  color: rgba(255,255,255,0.8);
  text-transform: uppercase;
}

.hero-sub {
  font-size: clamp(0.9rem, 2.5vw, 1.1rem);
  color: rgba(255,255,255,0.9);
  margin-bottom: 36px;
  letter-spacing: 0.08em;
}

.hero-btn {
  background: #452A18;
  color: #fff;
  padding: 14px 36px;
  border-radius: 4px;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  transition: background 0.2s, transform 0.2s;
  box-shadow: 0 4px 16px rgba(69,42,24,0.4);
}

.hero-btn:hover {
  background: #2E1A0E;
  transform: translateY(-2px);
}

.hero-dots {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  gap: 8px;
}

.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  transition: background 0.3s, transform 0.3s;
}

.dot.active {
  background: #fff;
  transform: scale(1.3);
}

/* =============================================
   CONCEPT
   ============================================= */
.concept {
  padding: 80px 0;
  background: var(--color-bg-warm);
}

.concept-text {
  max-width: 660px;
  color: var(--color-text-muted);
  line-height: 2.0;
  margin-bottom: 48px;
}

/* 写真グリッド（旧アイコン4枚 → 写真4枚） */
.concept-photos {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.concept-photo-item {
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
  border: 1px solid rgba(69,42,24,0.08);
  box-shadow: 0 2px 8px rgba(69,42,24,0.06);
  transition: transform 0.3s, box-shadow 0.3s;
}

.concept-photo-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(69,42,24,0.12);
}

.concept-photo-wrap {
  aspect-ratio: 3/2;
  overflow: hidden;
}

.concept-photo-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
  display: block;
}

.concept-photo-item:hover .concept-photo-wrap img {
  transform: scale(1.05);
}

.concept-photo-label {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--color-text-dark);
  padding: 12px 14px 4px;
}

.concept-photo-desc {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  padding: 0 14px 14px;
}

@media (max-width: 768px) {
  .concept-photos {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* =============================================
   ROOMS
   ============================================= */
.rooms {
  padding: 80px 0;
  background: var(--color-bg-pale);
}

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

.room-type-card {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(69,42,24,0.08);
  transition: transform 0.3s, box-shadow 0.3s;
  background: #fff;
  border: 1px solid rgba(69,42,24,0.06);
}

.room-type-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.room-type-img-wrap {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}

.room-type-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.room-type-card:hover .room-type-img {
  transform: scale(1.05);
}

.room-type-badge {
  position: absolute;
  top: 12px; left: 12px;
  background: rgba(0,0,0,0.6);
  color: #fff;
  font-size: 0.7rem;
  padding: 4px 10px;
  border-radius: 100px;
  letter-spacing: 0.05em;
}

.room-type-body {
  padding: 20px;
}

.room-type-name {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text-dark);
}

.room-type-desc {
  font-size: 0.83rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 12px;
}

.room-type-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.78rem;
  color: #888;
  margin-bottom: 12px;
}

.room-type-rate {
  font-size: 1.05rem;
  font-weight: 700;
  color: #452A18;
  margin-bottom: 14px;
}

.room-book-btn {
  display: block;
  text-align: center;
  background: #452A18;
  color: #fff;
  padding: 10px;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  transition: background 0.2s;
}

.room-book-btn:hover { background: #2E1A0E; }

/* =============================================
   FACILITY
   ============================================= */
.facility {
  padding: 80px 0;
  background: var(--color-bg-warm);
}

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

@media (max-width: 900px) {
  .facility-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .facility-grid { grid-template-columns: 1fr; }
}

.facility-card {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(69,42,24,0.08);
  background: #fff;
  border: 1px solid rgba(69,42,24,0.06);
}

.facility-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.facility-name {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  padding: 14px 16px 4px;
  color: var(--color-text-dark);
}

.facility-desc {
  font-size: 0.83rem;
  color: var(--color-text-muted);
  padding: 0 16px 16px;
  line-height: 1.8;
}

/* =============================================
   COMING SOON (Aharen)
   ============================================= */
.coming-soon {
  padding: 80px 0;
  background: linear-gradient(135deg, #452A18 0%, #6B4226 50%, #8B5A2B 100%); /* Coming Soon: ブランドブラウン */
  color: #fff;
  text-align: center;
}

.cs-inner {
  max-width: 600px;
  margin: 0 auto;
}

.cs-badge {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  border: 1px solid rgba(255,255,255,0.7);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
  color: rgba(255,255,255,0.9);
}

.cs-title {
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 4vw, 2rem);
  font-weight: 600;
  margin-bottom: 16px;
}

.cs-desc {
  font-size: 0.93rem;
  color: rgba(255,255,255,0.88);
  line-height: 1.9;
  margin-bottom: 20px;
}

.cs-location {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 20px;
}

.cs-notify {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.85);
}

.cs-mail-btn {
  display: inline-block;
  background: rgba(255,255,255,0.2);
  border: 1px solid rgba(255,255,255,0.6);
  color: #fff;
  padding: 6px 16px;
  border-radius: 4px;
  margin-left: 8px;
  font-size: 0.85rem;
  transition: background 0.2s;
}

.cs-mail-btn:hover { background: rgba(255,255,255,0.3); }

/* =============================================
   ACCESS
   ============================================= */
.access {
  padding: 80px 0;
  background: var(--color-bg-pale);
}

.access-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.access-block {
  margin-bottom: 20px;
}

.access-label {
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 4px;
  letter-spacing: 0.03em;
}

.access-val {
  font-size: 0.9rem;
  color: var(--color-text);
  line-height: 1.8;
}

.access-link {
  color: #452A18;
  font-size: 0.85rem;
  text-decoration: underline;
}

.access-map {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.access-map iframe {
  display: block;
  width: 100%;
  height: 360px;
  border: none;
}

/* =============================================
   FOOTER
   ============================================= */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.8);
  padding: 40px 24px;
}

.footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

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

.footer-logo-img { height: 28px; width: auto; filter: brightness(0) invert(1); opacity: 0.85; }

.footer-name {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  color: rgba(255,255,255,0.85);
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 0.83rem;
  color: rgba(255,255,255,0.6);
  transition: color 0.2s;
}

.footer-links a:hover { color: rgba(255,255,255,0.95); }

.footer-copy {
  width: 100%;
  text-align: center;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
  margin-top: 8px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

/* =============================================
   BOOKING PAGE  (booking.php)
   ============================================= */
.booking-page { padding-top: 64px; min-height: 100vh; background: var(--color-bg-soft); }

.booking-hero {
  background: linear-gradient(135deg, #2E1A0E 0%, #452A18 100%);
  color: #fff;
  padding: 48px 24px 40px;
  text-align: center;
}

.booking-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 4vw, 1.9rem);
  font-weight: 600;
  margin-bottom: 8px;
}

.booking-hero p { font-size: 0.9rem; color: rgba(255,255,255,0.8); }

.booking-body { max-width: 860px; margin: 0 auto; padding: 40px 24px 80px; }

/* ステップバー */
.step-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 36px;
  gap: 0;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  flex: 1;
  position: relative;
}

.step::after {
  content: '';
  position: absolute;
  top: 16px;
  left: 50%;
  width: 100%;
  height: 2px;
  background: #ddd;
  z-index: 0;
}

.step:last-child::after { display: none; }

.step-circle {
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 2px solid #ddd;
  background: #fff;
  color: #aaa;
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  transition: background 0.3s, border-color 0.3s;
}

.step.active .step-circle {
  background: #452A18;
  border-color: #452A18;
  color: #fff;
}

.step.done .step-circle {
  background: #C4956A;
  border-color: #C4956A;
  color: #fff;
}

.step-label {
  font-size: 0.72rem;
  color: #aaa;
  text-align: center;
}

.step.active .step-label { color: #452A18; font-weight: 700; }

/* 検索フォームカード */
.search-card {
  background: #fff;
  border-radius: 14px;
  padding: 28px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.07);
  margin-bottom: 28px;
}

.search-card h2 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: 20px;
  color: #1a1a1a;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-row.three { grid-template-columns: 1fr 1fr 1fr; }

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 500;
  color: #555;
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid #ddd;
  border-radius: 7px;
  font-size: 0.9rem;
  font-family: inherit;
  color: #333;
  background: #fafafa;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: #452A18;
  box-shadow: 0 0 0 3px rgba(69,42,24,0.1);
  background: #fff;
}

.form-group textarea { resize: vertical; min-height: 80px; }

.btn-search {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #452A18;
  color: #fff;
  padding: 12px 28px;
  border-radius: 7px;
  font-size: 0.92rem;
  font-weight: 600;
  transition: background 0.2s, transform 0.2s;
  border: none;
  cursor: pointer;
}

.btn-search:hover { background: #2E1A0E; transform: translateY(-1px); }

/* 空室リスト */
.availability-result { margin-bottom: 28px; }

.avail-card {
  background: #fff;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.07);
  margin-bottom: 16px;
  display: grid;
  grid-template-columns: 220px 1fr;
  transition: box-shadow 0.3s;
}

.avail-card:hover { box-shadow: 0 6px 28px rgba(0,0,0,0.12); }

.avail-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avail-card-body {
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.avail-room-type {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: #452A18;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.avail-room-name {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 8px;
}

.avail-room-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.8rem;
  color: #888;
  margin-bottom: 12px;
}

.avail-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.avail-price {
  font-size: 1.3rem;
  font-weight: 700;
  color: #452A18;
}

.avail-price span {
  font-size: 0.78rem;
  font-weight: 400;
  color: #888;
  margin-left: 4px;
}

.btn-book {
  background: #452A18;
  color: #fff;
  padding: 10px 22px;
  border-radius: 7px;
  font-size: 0.875rem;
  font-weight: 600;
  transition: background 0.2s;
  border: none;
  cursor: pointer;
}

.btn-book:hover { background: #2E1A0E; }

/* 申込フォームカード */
.reserve-form-card {
  background: #fff;
  border-radius: 14px;
  padding: 28px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.07);
  margin-bottom: 28px;
}

.reserve-form-card h2 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: 6px;
  color: #1a1a1a;
}

.reserve-form-card .sub {
  font-size: 0.83rem;
  color: #888;
  margin-bottom: 24px;
}

/* 料金サマリ */
.price-summary {
  background: #f5f0eb;
  border-radius: 10px;
  padding: 16px 20px;
  margin-bottom: 20px;
  border-left: 4px solid #452A18;
}

.price-summary-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.88rem;
  color: #555;
  padding: 4px 0;
}

.price-summary-row.total {
  font-size: 1rem;
  font-weight: 700;
  color: #452A18;
  border-top: 1px solid #d4b99a;
  margin-top: 8px;
  padding-top: 10px;
}

/* 支払いインフォ */
.payment-note {
  background: #fffbea;
  border: 1px solid #f0c040;
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 0.83rem;
  color: #7a5c00;
  margin-bottom: 20px;
}

/* 送信ボタン */
.btn-submit {
  display: block;
  width: 100%;
  background: #452A18;
  color: #fff;
  padding: 14px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 700;
  transition: background 0.2s, transform 0.2s;
  border: none;
  cursor: pointer;
  letter-spacing: 0.05em;
}

.btn-submit:hover { background: #2E1A0E; transform: translateY(-1px); }
.btn-submit:disabled { background: #aaa; cursor: not-allowed; transform: none; }

/* 完了画面 */
.complete-card {
  background: #fff;
  border-radius: 14px;
  padding: 48px 28px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.07);
  text-align: center;
}

.complete-icon { font-size: 3.5rem; margin-bottom: 16px; }

.complete-card h2 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  margin-bottom: 12px;
  color: #1a1a1a;
}

.complete-card p {
  font-size: 0.9rem;
  color: #666;
  line-height: 1.9;
  margin-bottom: 8px;
}

.complete-ref {
  display: inline-block;
  background: #f5f0eb;
  border-radius: 8px;
  padding: 10px 24px;
  font-size: 1.1rem;
  font-weight: 700;
  color: #452A18;
  margin: 16px 0;
  letter-spacing: 0.1em;
}

/* =============================================
   BUSINESS PAGE  (business.php)
   ============================================= */
.business-page { padding-top: 64px; min-height: 100vh; background: #F0E8DF; }

.business-hero {
  background: linear-gradient(135deg, #2E1A0E 0%, #452A18 100%);
  color: #fff;
  padding: 48px 24px 40px;
  text-align: center;
}

.business-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 4vw, 1.9rem);
  font-weight: 600;
  margin-bottom: 8px;
}

.business-hero p { font-size: 0.9rem; color: rgba(255,255,255,0.75); }

.business-body { max-width: 860px; margin: 0 auto; padding: 40px 24px 80px; }

/* 食事プランカード */
.meal-plans {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 28px;
}

.meal-plan-card {
  background: #fff;
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.07);
  border: 2px solid transparent;
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s;
  position: relative;
}

.meal-plan-card.selected {
  border-color: #452A18;
  box-shadow: 0 4px 20px rgba(69,42,24,0.15);
}

.meal-plan-card input[type="checkbox"] {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 18px;
  height: 18px;
  accent-color: #452A18;
}

.meal-plan-icon { font-size: 1.8rem; margin-bottom: 8px; }

.meal-plan-name {
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 4px;
  color: #1a1a1a;
}

.meal-plan-price {
  font-size: 1.05rem;
  font-weight: 700;
  color: #452A18;
  margin-bottom: 6px;
}

.meal-plan-desc {
  font-size: 0.8rem;
  color: #777;
  line-height: 1.6;
}

/* 業者情報フォーム */
.biz-form-card {
  background: #fff;
  border-radius: 14px;
  padding: 28px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.07);
  margin-bottom: 24px;
}

.biz-form-card h2 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: 20px;
  color: #1a1a1a;
}

/* お知らせバナー */
.info-banner {
  background: #f0e8df;
  border-left: 4px solid #452A18;
  border-radius: 6px;
  padding: 12px 16px;
  font-size: 0.85rem;
  color: #2E1A0E;
  margin-bottom: 20px;
  line-height: 1.7;
}

/* =============================================
   UTILITY
   ============================================= */
.hidden { display: none !important; }
.text-center { text-align: center; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.text-muted { color: #888; font-size: 0.85rem; }
.text-primary { color: #452A18; } /* ブランドブラウン */
.text-danger { color: #dc3545; font-size: 0.82rem; }

.alert {
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 0.88rem;
  margin-bottom: 16px;
}

.alert-success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.alert-error   { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }
.alert-info    { background: #e8d5c4; color: #2E1A0E; border: 1px solid #c4a882; }

.loading-spin {
  display: inline-block;
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
  margin-right: 6px;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* back link */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: #452A18;
  margin-bottom: 20px;
  transition: opacity 0.2s;
}

.back-link:hover { opacity: 0.7; }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 768px) {
  /* ヘッダー */
  .hamburger { display: flex; }

  .header-nav {
    position: fixed;
    top: 64px; left: 0; right: 0;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(8px);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px;
    gap: 20px;
    border-top: 1px solid #eee;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s, opacity 0.3s;
    z-index: 999;
  }

  .header-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .header-nav a { font-size: 1rem; }
  .nav-booking-btn { width: 100%; text-align: center; }

  /* コンセプト */
  .concept-features { grid-template-columns: repeat(2, 1fr); gap: 12px; }

  /* 客室 */
  .room-types { grid-template-columns: 1fr; }

  /* 施設 */
  .facility-grid { grid-template-columns: 1fr; }

  /* アクセス */
  .access-grid { grid-template-columns: 1fr; }

  /* 予約 */
  .form-row, .form-row.three { grid-template-columns: 1fr; }
  .avail-card { grid-template-columns: 1fr; }
  .avail-card-img { aspect-ratio: 16/9; height: auto; }
  .meal-plans { grid-template-columns: 1fr; }

  /* フッター */
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-links { flex-wrap: wrap; justify-content: center; gap: 16px; }
}

@media (max-width: 480px) {
  .concept-features { grid-template-columns: 1fr 1fr; }
  .hero-title-ja { font-size: 2.8rem; }
  .step-label { font-size: 0.65rem; }
}

/* ===== SNSセクション ===== */
.sns-section {
  padding: 80px 0;
  background: #f9f7f4;
}

.sns-group-list {
  display: flex;
  flex-direction: column;
  gap: 64px;
  margin-top: 48px;
}

/* カード：写真左・テキスト右 */
.sns-group-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

/* 偶数番目は写真右・テキスト左（交互レイアウト） */
.sns-group-card--reverse {
  direction: rtl;
}
.sns-group-card--reverse > * {
  direction: ltr;
}

.sns-group-img {
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 4/3;
  background: #eee;
}
.sns-group-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.sns-group-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.sns-group-name {
  font-family: 'Klee One', cursive;
  font-size: 1.5rem;
  color: #2c2c2c;
  margin: 0;
}

.sns-group-desc {
  font-family: 'Zen Kaku Gothic New', sans-serif;
  font-size: 0.95rem;
  color: #555;
  line-height: 1.8;
  margin: 0;
}

/* アイコン列 */
.sns-icons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 8px;
}

.sns-icon-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  color: #333;
  transition: transform 0.2s ease;
}
.sns-icon-link:hover {
  transform: translateY(-3px);
}

.sns-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--sns-color, #333);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: box-shadow 0.2s ease;
}
.sns-icon-link:hover .sns-icon-wrap {
  box-shadow: 0 6px 18px rgba(0,0,0,0.18);
}

.sns-icon-wrap svg {
  width: 28px !important;
  height: 28px !important;
  max-width: 28px;
  max-height: 28px;
  display: block;
  flex-shrink: 0;
}

.sns-icon-label {
  font-size: 0.72rem;
  font-family: 'Zen Kaku Gothic New', sans-serif;
  color: #777;
  letter-spacing: 0.04em;
}

/* スマホ */
@media (max-width: 768px) {
  .sns-section { padding: 56px 0; }
  .sns-group-list { gap: 48px; margin-top: 32px; }
  .sns-group-card {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .sns-group-card--reverse { direction: ltr; }
  .sns-group-img { aspect-ratio: 16/9; }
  .sns-icons { gap: 12px; }
  .sns-icon-wrap { width: 46px; height: 46px; border-radius: 12px; }
  .sns-icon-wrap svg { width: 24px !important; height: 24px !important; max-width: 24px; max-height: 24px; }
}