/* ==========================================
   フラットデザイン・高コントラストスタイル
========================================== */
body { background-color: #FFFFFF; font-family: 'Helvetica Neue', Arial, sans-serif; color: #111827; margin: 0; padding: 30px 20px; }
.container { max-width: 600px; margin: 0 auto; display: flex; flex-direction: column; gap: 32px; }

/* ヘッダー・ロゴ */
.app-header { text-align: center; }
.header-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.app-header h1 { color: #005CAF; margin: 0; font-size: 38px; letter-spacing: 2px; font-family: 'Black Ops One', sans-serif; }
.lang-btn { padding: 6px 12px; font-size: 12px; font-weight: bold; color: #4B5563; background-color: #F3F4F6; border: 1px solid #D1D5DB; border-radius: 4px; cursor: pointer; }

/* 検索入力エリア */
.location-input-section { display: flex; flex-direction: column; gap: 16px; background-color: #F9FAFB; padding: 20px; border-radius: 8px; border: 1px solid #E5E7EB; }
.search-box { display: flex; gap: 8px; }
.search-box input { flex: 1; padding: 12px; font-size: 16px; border: 2px solid #D1D5DB; border-radius: 8px; }

/* 共通ボタン */
.app-btn { width: 100%; padding: 16px; border: 2px solid #005CAF; border-radius: 8px; background-color: #005CAF; font-size: 16px; font-weight: bold; color: #FFFFFF; cursor: pointer; }
.app-btn-secondary { padding: 0 20px; border: 2px solid #005CAF; border-radius: 8px; background-color: #FFFFFF; font-size: 14px; font-weight: bold; color: #005CAF; cursor: pointer; }
.app-btn-outline { width: 100%; padding: 12px; border: 2px solid #4B5563; border-radius: 8px; background-color: #FFFFFF; font-size: 14px; font-weight: bold; color: #4B5563; cursor: pointer; }

/* カテゴリー（ラウンド型） */
.category-wrap { display: flex; flex-wrap: wrap; gap: 12px; }
.filter-chip input { display: none; }
.chip-text { display: inline-block; padding: 12px 24px; border-radius: 9999px; background-color: #FFFFFF; border: 2px solid #D1D5DB; font-size: 14px; font-weight: bold; color: #374151; transition: all 0.2s; }
.filter-chip input:checked + .chip-text { background-color: #005CAF; border-color: #005CAF; color: #FFFFFF !important; }

/* 検索結果カード */
.spot-card { background-color: #FFFFFF; border-radius: 8px; border: 2px solid #E5E7EB; padding: 24px; margin-bottom: 24px; }
.detail-actions { display: none; flex-direction: column; gap: 16px; border-top: 1px solid #E5E7EB; padding-top: 16px; }
.detail-actions.active { display: flex; }
.action-btn { flex: 1; padding: 12px; font-size: 14px; text-align: center; text-decoration: none; border: 2px solid #005CAF; border-radius: 8px; font-weight: bold; color: #005CAF; }

/* モーダル */
.modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0,0,0,0.6); display: flex; justify-content: center; align-items: center; z-index: 1000; opacity: 0; visibility: hidden; transition: 0.3s; }
.modal-overlay.active { opacity: 1; visibility: visible; }
.modal-content { background-color: #FFFFFF; width: 90%; max-width: 500px; padding: 32px; border-radius: 8px; position: relative; }
body.ja .lang-en { display: none; }
body.en .lang-ja { display: none; }