/* --------------------
   1. ベース / タイポ
-------------------- */
:root {
  --mint: #5BBE8A;
  --mint-dark: #3ea06d;
  --lavender: #7C5E99;
  --lavender-dark: #5E3D8F;
  --pink: #FFA5A5;
  --pink-dark: #F77C7C;
  --bg-base: #FFF9F2;
  --bg-card: #ffffff;
  --shadow-s: 0 2px 4px rgba(0, 0, 0, 0.06);
  --shadow-m: 0 2px 6px rgba(0, 0, 0, 0.1);
}

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

body {
  font-family: 'Noto Sans JP', sans-serif;
  background: var(--bg-base);
  color: #333;
  margin: 0;
  padding: 16px;
  line-height: 1.7;
}

h1 {
  font-size: 28px;
  font-weight: 800;
  color: var(--lavender);
  margin: 0 0 16px;
}

h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--mint);
  margin: 24px 0 12px;
  padding-left: 12px;
  border-left: 4px solid var(--mint);
  text-shadow: 0.5px 0.5px 1px rgba(0, 0, 0, 0.15);
}

/* --------------------
   2. グローバルナビ (フェードイン)
-------------------- */
.gnav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--bg-base);
  border-bottom: 1px solid #ddd;
  box-shadow: var(--shadow-m);
  padding: 12px 16px;
  z-index: 1000;

  /* フェードイン設定 */
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.gnav.show {
  opacity: 1;
  pointer-events: auto;
}

.gnav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  gap: 24px;
}

.gnav a {
  font-size: 14px;
  font-weight: 700;
  color: var(--lavender);
  text-decoration: none;
  transition: color 0.2s;
}

.gnav a:hover {
  color: var(--lavender-dark);
}

/* --------------------
   3. ボタン / コントロール共通
-------------------- */
.btn,
.sort-buttons button,
.back-button,
.controls button,
.recommend-card a {
  background: var(--pink);
  color: #fff;
  font-size: 14px;
  font-weight: bold;
  border: none;
  border-radius: 9999px;
  padding: 10px 16px;
  cursor: pointer;
  box-shadow: var(--shadow-m);
  transition: background-color 0.2s, transform 0.2s;
}

.btn:hover,
.sort-buttons button:hover,
.back-button:hover,
.controls button:hover,
.recommend-card a:hover {
  background: var(--pink-dark);
}

.back-button {
  display: inline-block;
  margin: 24px auto;
  text-align: center;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-bottom: 16px;
}

.controls input[type="text"] {
  padding: 10px 14px;
  border: 1px solid #ccc;
  border-radius: 9999px;
  font-size: 14px;
  min-width: 200px;
}

/* --------------------
   4. おすすめ自販機カード横スクロール
-------------------- */
.recommend-section {
  margin: 40px 0;
}

.recommend-section h2 {
  /* 見出しは h2 共通で済む */
}

.recommend-cards {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 8px;
  scroll-snap-type: x mandatory;
}

.recommend-card {
  flex: 0 0 240px;
  background: var(--bg-card);
  border-radius: 12px;
  box-shadow: var(--shadow-m);
  padding: 16px;
  scroll-snap-align: start;
  transition: transform 0.2s;
}

.recommend-card:hover {
  transform: translateY(-4px);
}

.recommend-card h3 {
  font-size: 16px;
  color: var(--lavender);
  margin: 0 0 6px;
}

.recommend-card p {
  margin: 0 0 12px;
}

/* --------------------
   5. マップ・カードなど各ページ個別
-------------------- */
.sort-buttons {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin: 12px 0 20px;
}

.sort-buttons button {
  padding: 10px 20px;
}

.product-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
}

.product-card {
  position: relative;
  background: var(--bg-card);
  border-radius: 10px;
  padding: 12px;
  text-align: center;
  box-shadow: var(--shadow-s);
  transition: transform 0.15s;
}

.product-card:hover {
  transform: scale(1.05);
}

.product-card img {
  width: 80px;
  height: 80px;
  object-fit: contain;
  margin: 8px auto;
}

.badge {
  position: absolute;
  top: 8px;
  left: 8px;
  font-size: 11px;
  font-weight: bold;
  padding: 4px 8px;
  border-radius: 6px;
  color: #fff;
}

.badge.soldout {
  background: #e74c3c;
}

.badge.new {
  background: #4caf50;
}

/* --------------------
   6. トップへ戻るボタン
-------------------- */
.back-to-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  line-height: 40px;
  text-align: center;
  background: var(--lavender);
  color: #fff;
  border-radius: 50%;
  font-size: 18px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: var(--shadow-m);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, background-color 0.3s;
  z-index: 900;
}

.back-to-top.show {
  opacity: 1;
  pointer-events: auto;
}

.back-to-top:hover {
  background: var(--lavender-dark);
}

/* --------------------
   7. フッター
-------------------- */
.site-footer {
  background: #FFEDEA;
  border-top: 1px solid #e0e0e0;
  margin-top: 40px;
  padding: 20px 16px;
  font-size: 13px;
  text-align: center;
  color: #555;
}

.footer-links {
  margin: 8px 0;
}

.footer-links a {
  color: var(--lavender);
  margin: 0 6px;
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--lavender-dark);
}

/* --------------------
   8. レスポンシブ
-------------------- */
@media (max-width: 600px) {
  h1 {
    font-size: 22px;
  }

  .controls {
    flex-direction: column;
  }

  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .gnav ul {
    gap: 16px;
  }

  .recommend-card {
    flex-basis: 200px;
  }
}