/* ===== ベース設定 ===== */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;700&family=Shippori+Mincho:wght@400;600&display=swap');

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

:root {
  /* ブルー系（メイン） */
  --blue:      #4E8DC5;
  --blue-lt:   #B5D3EC;
  --blue-dk:   #2D6BA0;
  --blue-pale: #EBF4FB;   /* カード内アクセント */

  /* アクセント */
  --green:  #5BAA96;
  --gold:   #C8963C;
  --pink:   #D97580;

  /* 背景 */
  --bg:      #F0F6FB;   /* ページ全体：クールライトブルー */
  --bg-alt:  #E4EEF7;   /* 交互セクション：少し濃いめ */
  --white:   #FFFFFF;

  /* テキスト */
  --text:   #2C3E50;
  --muted:  #7A8DA0;

  /* ボーダー・シャドウ */
  --border: #C8DCF0;
  --shadow: 0 4px 20px rgba(45,107,160,.09);
  --radius: 16px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans JP', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 15px;
}

a { color: var(--blue-dk); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }

/* ===== ヘッダー ===== */
.site-header {
  background: var(--white);
  border-bottom: 2px solid var(--blue-lt);
  position: sticky; top: 0; z-index: 100;
  box-shadow: 0 2px 12px rgba(45,107,160,.12);
}
.header-inner {
  max-width: 1000px; margin: 0 auto;
  padding: 0 20px;
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.site-logo {
  font-family: 'Shippori Mincho', serif;
  font-size: 1.25rem; font-weight: 600;
  color: var(--blue-dk);
  display: flex; align-items: center; gap: 8px;
  text-decoration: none;
}
.site-logo .emoji { font-size: 1.5rem; }
.site-nav { display: flex; gap: 6px; align-items: center; }
.site-nav a {
  padding: 6px 14px; border-radius: 20px;
  font-size: .85rem; font-weight: 500;
  color: var(--text); transition: all .2s;
}
.site-nav a:hover { background: var(--blue-pale); color: var(--blue-dk); text-decoration: none; }
.btn-reserve {
  background: var(--blue);
  color: var(--white) !important;
  padding: 8px 18px !important;
  border-radius: 20px !important;
  font-weight: 700 !important;
  box-shadow: 0 2px 8px rgba(78,141,197,.35);
  transition: all .2s !important;
}
.btn-reserve:hover { background: var(--blue-dk) !important; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(78,141,197,.45) !important; }

/* ===== セクション共通 ===== */
.section { padding: 60px 20px; background: var(--white); }
.section--tint { background: var(--bg-alt); }
.section--bg   { background: var(--bg); }
.section-inner { max-width: 960px; margin: 0 auto; }
.section-title {
  font-family: 'Shippori Mincho', serif;
  font-size: 1.6rem; color: var(--blue-dk);
  margin-bottom: 32px;
  display: flex; align-items: center; gap: 10px;
}
.section-title::after {
  content: '';
  flex: 1; height: 2px;
  background: linear-gradient(to right, var(--blue-lt), transparent);
}

/* ===== ヒーロー写真背景 ===== */
.hero-photo {
  position: relative;
  min-height: 520px;
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  overflow: hidden;
  background: #1a2a3a;
}
.hero-photo-bg {
  position: absolute; inset: 0;
  background-image: var(--hero-img);
  background-size: cover; background-position: center;
  filter: brightness(.45);
  transition: transform 8s ease;
}
.hero-photo::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(10,20,35,.35) 0%,
    rgba(10,20,35,.55) 60%,
    rgba(10,20,35,.7) 100%
  );
  pointer-events: none;
}
.hero-photo:hover .hero-photo-bg { transform: scale(1.04); }
.hero-photo-content {
  position: relative; z-index: 2;
  padding: 60px 20px;
}
.hero-photo h1 {
  font-family: 'Shippori Mincho', serif;
  font-size: 2.6rem; font-weight: 600;
  color: #fff;
  text-shadow: 0 2px 4px rgba(0,0,0,.8), 0 4px 24px rgba(0,0,0,.6);
  margin-bottom: 10px;
}
.hero-photo .subtitle {
  color: rgba(255,255,255,.95);
  font-size: 1rem; margin-bottom: 28px;
  text-shadow: 0 1px 4px rgba(0,0,0,.8);
}
.hero-badges {
  display: flex; gap: 10px; justify-content: center; flex-wrap: wrap;
  margin-bottom: 32px;
}
.badge {
  border-radius: 20px; padding: 6px 16px;
  font-size: .82rem; font-weight: 500;
  display: flex; align-items: center; gap: 5px;
  box-shadow: 0 2px 8px rgba(0,0,0,.08);
}
/* ヒーロー内バッジ */
.hero-photo .hero-badges .badge {
  background: rgba(255,255,255,.18);
  backdrop-filter: blur(8px);
  color: #fff; border: 1px solid rgba(255,255,255,.3);
}
/* 通常バッジ */
.badge { background: var(--white); color: var(--text); }
.hero-cta {
  display: inline-block;
  background: linear-gradient(135deg, var(--blue), var(--blue-dk));
  color: var(--white);
  padding: 14px 36px; border-radius: 30px;
  font-size: 1.05rem; font-weight: 700;
  box-shadow: 0 4px 20px rgba(45,107,160,.4);
  transition: all .2s;
  text-decoration: none;
}
.hero-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(45,107,160,.5); text-decoration: none; color: white; }
.hero-photo .hero-cta {
  background: rgba(255,255,255,.95);
  color: var(--blue-dk);
  box-shadow: 0 4px 20px rgba(0,0,0,.3);
}
.hero-photo .hero-cta:hover { background: #fff; color: var(--blue-dk); }

/* ===== 料金カード ===== */
.price-card {
  background: linear-gradient(135deg, var(--blue-pale), #D8EEF8);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.price-card .price { font-size: 3rem; font-weight: 700; color: var(--blue-dk); }
.price-card .price span { font-size: 1.2rem; }
.price-card p { margin-top: 8px; font-size: .9rem; color: var(--muted); }

/* 募金箱バナー */
.donation-box {
  margin-top: 16px;
  display: inline-flex; align-items: center; gap: 12px;
  background: rgba(255,255,255,.7);
  border-radius: 12px; padding: 10px 18px;
  border: 2px dashed rgba(190,60,60,.35);
}
.donation-box .icon { font-size: 2rem; }
.donation-box .label { text-align: left; font-size: .88rem; color: #8B3030; }
.donation-box .sub { color: var(--muted); font-size: .82rem; }

/* ===== 注意事項バナー ===== */
.notice-banner {
  background: linear-gradient(135deg, #FEF9E7, #FEF3CD);
  border: 1px solid #F0C040;
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 24px;
  display: flex; gap: 12px; align-items: flex-start;
}
.notice-banner .icon { font-size: 1.5rem; flex-shrink: 0; }
.notice-banner strong { display: block; margin-bottom: 4px; color: #7A5000; }
.notice-banner p { font-size: .9rem; line-height: 1.7; color: #6A4800; }

/* ===== アメニティグリッド ===== */
.amenity-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}
.amenity-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px 16px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: transform .2s;
}
.amenity-card:hover { transform: translateY(-3px); }
.amenity-icon { font-size: 2rem; margin-bottom: 8px; }
.amenity-label { font-size: .88rem; font-weight: 500; }
.amenity-desc { font-size: .78rem; color: var(--muted); margin-top: 4px; }

/* ===== シーズンカード ===== */
.season-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.season-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  border-top: 4px solid;
}
.season-card.winter { border-top-color: var(--blue); }
.season-card.summer { border-top-color: var(--green); }
.season-card h3 {
  font-size: 1.1rem; font-weight: 700;
  margin-bottom: 12px;
  display: flex; align-items: center; gap: 8px;
}
.season-card ul { list-style: none; }
.season-card ul li {
  padding: 5px 0; font-size: .9rem;
  border-bottom: 1px dashed var(--border);
  display: flex; align-items: flex-start; gap: 8px;
}
.season-card ul li:last-child { border-bottom: none; }
.season-card ul li::before { content: '✓'; color: var(--green); font-weight: 700; flex-shrink: 0; }

/* ===== アクセス・間取りカード ===== */
.access-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.access-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.access-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 12px; color: var(--blue-dk); }
.access-card p { font-size: .9rem; line-height: 1.8; }

/* ===== ルール ===== */
.rule-list {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 32px;
}
.rule-item {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: .9rem; padding: 6px 0;
  border-bottom: 1px dashed var(--border);
}
.rule-icon { font-size: 1.1rem; flex-shrink: 0; }

/* ===== セクション内写真 ===== */
.section-photo { border-radius: 14px; overflow: hidden; box-shadow: var(--shadow); }
.section-photo img { width: 100%; object-fit: cover; }

/* ===== フォトギャラリー ===== */
.gallery-grid { columns: 3; column-gap: 12px; }
.gallery-item {
  break-inside: avoid;
  margin-bottom: 12px;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  position: relative;
}
.gallery-item img {
  width: 100%; display: block;
  transition: transform .35s, filter .35s;
}
.gallery-item::after {
  content: '🔍';
  position: absolute; inset: 0;
  background: rgba(45,107,160,.4);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem;
  opacity: 0; transition: opacity .25s;
}
.gallery-item:hover img { transform: scale(1.04); filter: brightness(.85); }
.gallery-item:hover::after { opacity: 1; }
.gallery-caption {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(20,50,80,.7));
  color: #fff; font-size: .78rem; padding: 20px 10px 8px;
  opacity: 0; transition: opacity .25s;
}
.gallery-item:hover .gallery-caption { opacity: 1; }

/* ===== ライトボックス ===== */
.lightbox {
  position: fixed; inset: 0; z-index: 500;
  background: rgba(10,20,35,.93);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity .25s;
}
.lightbox.open { opacity: 1; pointer-events: all; }
.lightbox-img {
  max-width: 90vw; max-height: 88vh;
  border-radius: 8px;
  box-shadow: 0 8px 48px rgba(0,0,0,.6);
  object-fit: contain;
  transform: scale(.95);
  transition: transform .25s;
}
.lightbox.open .lightbox-img { transform: scale(1); }
.lightbox-close {
  position: absolute; top: 18px; right: 24px;
  color: #fff; font-size: 2rem; cursor: pointer;
  background: none; border: none; line-height: 1;
  opacity: .8; transition: opacity .2s;
}
.lightbox-close:hover { opacity: 1; }
.lightbox-prev, .lightbox-next {
  position: absolute; top: 50%; transform: translateY(-50%);
  background: rgba(78,141,197,.25); backdrop-filter: blur(4px);
  border: none; color: #fff; font-size: 1.8rem;
  width: 52px; height: 52px; border-radius: 50%;
  cursor: pointer; transition: background .2s;
  display: flex; align-items: center; justify-content: center;
}
.lightbox-prev { left: 16px; }
.lightbox-next { right: 16px; }
.lightbox-prev:hover, .lightbox-next:hover { background: rgba(78,141,197,.5); }
.lightbox-caption {
  position: absolute; bottom: 20px; left: 0; right: 0;
  text-align: center; color: rgba(255,255,255,.8);
  font-size: .88rem;
}
.lightbox-counter {
  position: absolute; top: 20px; left: 50%; transform: translateX(-50%);
  color: rgba(255,255,255,.6); font-size: .82rem;
}

/* ===== 予約ページ ===== */
.reserve-layout {
  max-width: 960px; margin: 40px auto; padding: 0 20px;
  display: grid; grid-template-columns: 1fr 380px; gap: 28px;
}

/* ===== カレンダー ===== */
.calendar-wrap {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.calendar-nav {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px;
}
.calendar-nav button {
  background: var(--blue-pale); border: none; cursor: pointer;
  width: 34px; height: 34px; border-radius: 50%;
  font-size: 1rem; transition: background .2s; color: var(--blue-dk);
}
.calendar-nav button:hover { background: var(--blue); color: white; }
.calendar-title { font-weight: 700; font-size: 1rem; color: var(--blue-dk); }
.calendar-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.calendar-day-label {
  text-align: center; font-size: .75rem; font-weight: 700;
  padding: 6px 0; color: var(--muted);
}
.calendar-day-label:first-child { color: var(--pink); }
.calendar-day-label:last-child { color: var(--blue); }
.cal-day {
  aspect-ratio: 1;
  display: flex; align-items: center; justify-content: center;
  border-radius: 8px;
  font-size: .85rem;
  cursor: pointer;
  transition: all .15s;
  position: relative;
  border: 2px solid transparent;
}
.cal-day.empty { cursor: default; }
.cal-day.available { background: #E0F2EA; color: #1E6E50; }
.cal-day.available:hover { background: var(--green); color: white; }
.cal-day.reserved { background: #FAE0E2; color: #9E2A35; cursor: not-allowed; }
.cal-day.blocked { background: #E8E0F5; color: #5C3A8A; cursor: not-allowed; }
.cal-day.selected { background: var(--blue); color: white; border-color: var(--blue-dk); }
.cal-day.in-range { background: var(--blue-pale); color: var(--blue-dk); }
.cal-day.today { border-color: var(--gold); font-weight: 700; }
.cal-day.past { color: #BCC; cursor: not-allowed; background: none; }
.cal-legend {
  display: flex; gap: 12px; flex-wrap: wrap;
  margin-top: 16px; font-size: .78rem; color: var(--muted);
}
.legend-item { display: flex; align-items: center; gap: 5px; }
.legend-dot { width: 12px; height: 12px; border-radius: 3px; }
.legend-dot.available { background: #E0F2EA; border: 1px solid var(--green); }
.legend-dot.reserved  { background: #FAE0E2; border: 1px solid var(--pink); }
.legend-dot.blocked   { background: #E8E0F5; border: 1px solid #9B59B6; }
.legend-dot.selected  { background: var(--blue); }

/* ===== 予約フォーム ===== */
.reserve-form-wrap {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  position: sticky; top: 80px; align-self: start;
}
.reserve-form-wrap h2 {
  font-size: 1.1rem; font-weight: 700; margin-bottom: 20px;
  color: var(--blue-dk);
}
.selected-dates {
  background: var(--blue-pale);
  border: 1px solid var(--blue-lt);
  border-radius: 10px; padding: 12px 16px;
  margin-bottom: 20px; font-size: .88rem;
}
.selected-dates strong { display: block; font-size: 1rem; color: var(--blue-dk); }
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block; font-size: .82rem; font-weight: 700;
  margin-bottom: 6px; color: var(--text);
}
.form-group label .req { color: var(--pink); margin-left: 3px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: 10px; font-size: .9rem;
  font-family: inherit;
  transition: border-color .2s;
  background: var(--bg);
  color: var(--text);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none; border-color: var(--blue);
  background: var(--white);
}
.form-group textarea { resize: vertical; min-height: 80px; }
.btn-submit {
  width: 100%;
  background: linear-gradient(135deg, var(--blue), var(--blue-dk));
  color: white; border: none; cursor: pointer;
  padding: 14px; border-radius: 12px;
  font-size: 1rem; font-weight: 700;
  font-family: inherit;
  box-shadow: 0 4px 16px rgba(45,107,160,.35);
  transition: all .2s;
  margin-top: 8px;
}
.btn-submit:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(45,107,160,.45); }
.btn-submit:disabled { opacity: .6; cursor: not-allowed; transform: none; }

/* ===== モーダル ===== */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(10,20,35,.55);
  display: flex; align-items: center; justify-content: center;
  z-index: 200; padding: 20px;
  opacity: 0; pointer-events: none;
  transition: opacity .2s;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px; max-width: 440px; width: 100%;
  text-align: center;
  transform: scale(.9);
  transition: transform .2s;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.modal-overlay.open .modal { transform: scale(1); }
.modal-icon { font-size: 3rem; margin-bottom: 12px; }
.modal h3 { font-size: 1.3rem; margin-bottom: 10px; color: var(--blue-dk); }
.modal p { font-size: .9rem; color: var(--muted); line-height: 1.7; }
.modal-btn {
  margin-top: 20px; padding: 12px 32px;
  background: var(--blue); color: white;
  border: none; border-radius: 10px;
  font-size: .95rem; font-weight: 700;
  cursor: pointer; font-family: inherit;
}

/* ===== 管理ページ ===== */
.admin-layout { max-width: 960px; margin: 40px auto; padding: 0 20px; }
.admin-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 24px;
}
.admin-header h1 { font-size: 1.4rem; color: var(--blue-dk); }
.tab-nav { display: flex; gap: 8px; margin-bottom: 24px; }
.tab-btn {
  padding: 8px 20px; border-radius: 20px;
  border: 1.5px solid var(--border);
  background: var(--white); cursor: pointer;
  font-family: inherit; font-size: .88rem; font-weight: 500;
  color: var(--text); transition: all .2s;
}
.tab-btn.active { background: var(--blue); color: white; border-color: var(--blue); }
.reservation-table-wrap { overflow-x: auto; }
.reservation-table {
  width: 100%; border-collapse: collapse;
  background: var(--white); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.reservation-table th {
  background: var(--blue-dk); color: white;
  padding: 12px 16px; font-size: .82rem;
  text-align: left;
}
.reservation-table td {
  padding: 12px 16px; font-size: .85rem;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
.reservation-table tr:last-child td { border-bottom: none; }
.reservation-table tr:hover td { background: var(--blue-pale); }
.status-badge {
  padding: 3px 10px; border-radius: 12px;
  font-size: .75rem; font-weight: 700;
}
.status-badge.pending  { background: #FEF3CD; color: #7A5000; }
.status-badge.approved { background: #D8EDD8; color: #1E5C1E; }
.status-badge.cancelled{ background: #FAE0E2; color: #7A2028; }
.action-btn {
  padding: 4px 10px; border-radius: 6px;
  border: 1.5px solid; cursor: pointer;
  font-size: .75rem; font-weight: 600;
  font-family: inherit; transition: all .15s;
  margin: 2px;
}
.action-btn.approve { border-color: var(--green); color: var(--green); background: none; }
.action-btn.approve:hover { background: var(--green); color: white; }
.action-btn.cancel  { border-color: var(--pink);  color: var(--pink);  background: none; }
.action-btn.cancel:hover  { background: var(--pink);  color: white; }
.action-btn.delete  { border-color: #B03030; color: #B03030; background: none; }
.action-btn.delete:hover  { background: #B03030; color: white; }
.block-form {
  background: var(--white); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow);
  border: 1px solid var(--border);
  display: grid; grid-template-columns: 1fr 1fr 1fr auto;
  gap: 12px; align-items: end;
}
.block-form input {
  width: 100%; padding: 9px 12px;
  border: 1.5px solid var(--border); border-radius: 8px;
  font-family: inherit; font-size: .88rem;
  background: var(--bg); color: var(--text);
}
.block-form input:focus { outline: none; border-color: var(--blue); }
.btn-block {
  padding: 9px 20px; border-radius: 8px;
  background: #6A3F98; color: white; border: none;
  cursor: pointer; font-family: inherit; font-weight: 600;
  white-space: nowrap;
}
.blocked-list {
  margin-top: 16px; background: var(--white);
  border-radius: var(--radius); box-shadow: var(--shadow);
  overflow: hidden; border: 1px solid var(--border);
}
.blocked-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
}
.blocked-item:last-child { border-bottom: none; }
.login-wrap { min-height: 60vh; display: flex; align-items: center; justify-content: center; }
.login-card {
  background: var(--white); border-radius: var(--radius);
  padding: 40px 48px; box-shadow: var(--shadow);
  border: 1px solid var(--border);
  text-align: center; width: 340px;
}
.login-card h2 { margin-bottom: 24px; color: var(--blue-dk); }
.login-card input {
  width: 100%; padding: 11px 14px; margin-bottom: 14px;
  border: 1.5px solid var(--border); border-radius: 10px;
  font-size: .95rem; font-family: inherit;
  background: var(--bg); color: var(--text);
}
.login-card input:focus { outline: none; border-color: var(--blue); }
.login-card button {
  width: 100%; padding: 12px;
  background: var(--blue); color: white; border: none;
  border-radius: 10px; font-size: 1rem; font-weight: 700;
  cursor: pointer; font-family: inherit;
}
.login-error { color: var(--pink); font-size: .85rem; margin-top: 8px; }

/* ===== ローディング・トースト ===== */
.loading { text-align: center; padding: 40px; color: var(--muted); }
.spinner {
  display: inline-block; width: 32px; height: 32px;
  border: 3px solid var(--blue-pale);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin .8s linear infinite;
  margin-bottom: 8px;
}
@keyframes spin { to { transform: rotate(360deg); } }
.toast {
  position: fixed; bottom: 24px; right: 24px;
  background: var(--text); color: white;
  padding: 12px 20px; border-radius: 10px;
  font-size: .88rem; font-weight: 500;
  box-shadow: 0 4px 20px rgba(0,0,0,.2);
  transform: translateY(80px); opacity: 0;
  transition: all .3s;
  z-index: 300;
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast.success { background: var(--green); }
.toast.error   { background: var(--pink);  }

/* ===== フッター ===== */
.site-footer {
  background: var(--blue-dk);
  color: rgba(255,255,255,.8);
  text-align: center;
  padding: 32px 20px;
  font-size: .85rem;
}
.site-footer a { color: var(--blue-lt); }

/* ===== レスポンシブ ===== */
@media (max-width: 768px) {
  .section { padding: 40px 16px; }
  .section-title { font-size: 1.3rem; margin-bottom: 20px; }

  .header-inner { padding: 0 16px; height: 56px; }
  .site-logo { font-size: 1.05rem; }
  .site-logo .emoji { font-size: 1.3rem; }
  .site-nav a:not(.btn-reserve) { display: none; }
  .btn-reserve { padding: 7px 14px !important; font-size: .82rem !important; }

  .hero-photo { min-height: 420px; }
  .hero-photo h1 { font-size: 1.9rem; }
  .hero-photo .subtitle { font-size: .88rem; }
  .hero-photo-content { padding: 40px 16px; }
  .hero-badges { gap: 6px; }
  .badge { font-size: .75rem; padding: 5px 12px; }
  .hero-cta { padding: 12px 28px; font-size: .95rem; }

  .price-card { padding: 24px 16px; }
  .price-card .price { font-size: 2.4rem; }
  .donation-box { flex-direction: column; align-items: center; text-align: center; }

  .amenity-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .amenity-card { padding: 16px 10px; }
  .amenity-icon { font-size: 1.6rem; }
  .amenity-label { font-size: .82rem; }
  .amenity-desc { font-size: .72rem; }

  .two-col-photos { grid-template-columns: 1fr !important; gap: 12px !important; }
  img[style*="height:280px"] { height: 200px !important; }
  img[style*="height:200px"] { height: 160px !important; }
  img[style*="height:240px"] { height: 180px !important; }
  img[style*="height:220px"] { height: 170px !important; }
  img[style*="height:180px"] { height: 150px !important; }

  .season-grid, .access-grid { grid-template-columns: 1fr; gap: 16px; }
  .rule-list { grid-template-columns: 1fr; padding: 20px 16px; gap: 8px; }
  .notice-banner { padding: 14px 16px; gap: 10px; }
  .notice-banner .icon { font-size: 1.2rem; }
  .notice-banner p { font-size: .83rem; }

  .gallery-grid { columns: 2; column-gap: 8px; }
  .gallery-item { margin-bottom: 8px; }
  .gallery-caption { opacity: 1; font-size: .7rem; padding: 14px 8px 6px; }
  .gallery-item::after { display: none; }

  .lightbox-prev { left: 6px; width: 40px; height: 40px; font-size: 1.4rem; }
  .lightbox-next { right: 6px; width: 40px; height: 40px; font-size: 1.4rem; }
  .lightbox-img { max-width: 96vw; max-height: 80vh; }

  .reserve-layout { grid-template-columns: 1fr; margin: 20px auto; gap: 20px; }
  .reserve-form-wrap { position: static; }
  .calendar-wrap { padding: 16px; }
  .cal-day { font-size: .78rem; border-radius: 6px; }

  .admin-layout { margin: 20px auto; }
  .block-form { grid-template-columns: 1fr 1fr; gap: 10px; }
  .block-form button { grid-column: 1 / -1; }
  .tab-nav { flex-wrap: wrap; gap: 6px; }
  .tab-btn { font-size: .8rem; padding: 6px 14px; }
  .login-card { width: 100%; max-width: 340px; padding: 32px 24px; }
}

@media (max-width: 400px) {
  .hero-photo h1 { font-size: 1.55rem; }
  .gallery-grid { columns: 1; }
  .badge { font-size: .7rem; padding: 4px 10px; }
  .rule-list { padding: 16px 12px; }
  .price-card { padding: 20px 12px; }
}