/* リセットとベーススタイル */ * { margin: 0; padding: 0; box-sizing: border-box; } body { background-color: #F4F6FB; color: #2D2D3A; font-family: "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Segoe UI", system-ui, Helvetica, Arial, sans-serif; line-height: 1.6; } /* xrea_header.js がの先頭に挿入する広告バナー用の枠 */ #vdbanner { background-color: #F4F6FB; padding: 8px 0; } ul { list-style: none; } a { color: #4F6DF5; text-decoration: none; } a:visited { color: #7C5CFC; } a:hover { color: #FF6B6B; text-decoration: underline; } /* ヘッダー */ .header { background: linear-gradient(135deg, #4F6DF5, #7C5CFC); padding: 12px 10px; text-align: center; color: #ffffff; } .header-content { display: inline-block; } .site-title { display: inline; font-family: "Segoe UI", system-ui, Helvetica, Arial, sans-serif; font-size: 1.8em; font-weight: bold; color: #ffffff; margin: 0; letter-spacing: 0.05em; } .site-subtitle { font-size: 1em; color: #E6E9FF; margin-left: 10px; } /* コンテナ */ .container { max-width: 1200px; margin: 0 auto; padding: 20px; } /* 検索セクション */ .search-section { background-color: #ffffff; border-radius: 12px; box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06); padding: 12px 15px; margin-bottom: 20px; } .search-box { text-align: center; padding: 5px 0; } .search-form { margin: 8px 0; } .search-input-group { display: grid; grid-template-columns: 70px auto auto; justify-content: center; align-items: center; gap: 10px; } .search-label { font-size: 1.3em; font-weight: bold; color: #4F6DF5; text-align: right; } .search-input { padding: 6px 10px; font-size: 1em; border: 1px solid #D5D9E8; border-radius: 6px; } .search-button { padding: 6px 18px; font-size: 1em; background-color: #4F6DF5; color: #ffffff; border: none; border-radius: 6px; cursor: pointer; transition: background-color 0.2s ease; } .search-button:hover { background-color: #3A55D9; } /* カードグリッド */ .card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; } .card { background-color: #ffffff; border-radius: 12px; box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06); padding: 15px; } .card-title { background-color: #EEF1FF; color: #4F6DF5; font-size: 1.05em; font-weight: bold; padding: 8px; text-align: center; border-radius: 8px; margin-bottom: 12px; } .card-list { padding-left: 0; } .card-list li { margin-bottom: 6px; } .card-list-columns { column-count: 2; column-gap: 16px; } .card-list-columns li { break-inside: avoid; } /* 更新情報セクション */ .update-content { padding: 5px; font-size: 0.9em; } .update-content p { margin-bottom: 10px; } .more-link { text-align: right; } /* レスポンシブデザイン */ @media (max-width: 768px) { .card-grid { grid-template-columns: 1fr; } .card-list-columns { column-count: 1; } .search-input-group { grid-template-columns: 1fr; justify-items: center; } .search-label { text-align: center; } .search-input { width: 100%; max-width: 300px; } }