/* =========================================
   エリア設定モーダル 共通
========================================= */
.area-modal {
    position: fixed;
    top: 0; 
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.18);  /* ← 明るめに */
    z-index: 3000;

    display: flex;
    justify-content: center;
    align-items: center;

    opacity: 0;
    visibility: hidden;
    pointer-events: none;              /* ← 非表示時はクリックを通す */
    transition: 0.3s;
}

.area-modal.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;              /* ← 表示中だけクリック可能 */
}

.modal-content.modal-wide {
    background: white;
    padding: 0;
    border-radius: 16px;
    width: 95%;
    max-width: 600px;
    height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    overflow: hidden;
}

.modal-header {
    padding: 20px;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.modal-header h3 {
    margin: 0;
    color: #1a2e45;
    font-size: 1.2rem;
}

.close-icon {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #999;
    cursor: pointer;
    padding: 5px;
}

.area-scroll-box {
    padding: 20px;
    overflow-y: auto;
    flex-grow: 1;
    -webkit-overflow-scrolling: touch;
}

.region-group {
    margin-bottom: 30px;
}
.region-group h4 {
    margin: 0 0 10px 0;
    font-size: 0.9rem;
    color: #666;
    border-left: 4px solid #e63946;
    padding-left: 10px;
}

.pref-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
    gap: 10px;
}
.pref-buttons button {
    padding: 10px 5px;
    border: 1px solid #ddd;
    background: #fff;
    border-radius: 6px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: 0.2s;
}
.pref-buttons button:hover {
    background: #e7f1ff;
    border-color: #1a2e45;
    color: #1a2e45;
}

.clear-area {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #eee;
    text-align: center;
}
.clear-btn {
    background: none;
    border: none;
    color: #888;
    font-size: 0.9rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}


/* =========================================
   モーダルのスマホ用レイアウト
========================================= */
@media (max-width: 768px) {

    .area-modal {
        align-items: flex-end;  /* 下寄せ（ハーフモーダル風） */
    }

    .modal-content.modal-wide {
        width: 100%;
        max-width: none;
        height: 85vh;
        border-radius: 20px 20px 0 0;   /* 上だけ角丸 */
        box-shadow: 0 -5px 25px rgba(0,0,0,0.2);
        margin: 0;
    }

    .modal-header {
        padding: 15px 20px;
        border-bottom: 1px solid #eee;
        background: #fff;
        position: sticky;
        top: 0;
        z-index: 10;
    }

    .area-scroll-box {
        padding: 20px;
        padding-bottom: 50px;
    }

    .region-group h4 {
        font-size: 1rem;
        margin-top: 10px;
        background: #f4f4f4;
        padding: 5px 10px;
        border-radius: 4px;
        border-left: none;
        color: #333;
        font-weight: bold;
    }

    .pref-buttons {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }
    .pref-buttons button {
        padding: 12px 0;
        font-size: 0.9rem;
        background: #fff;
        border: 1px solid #ddd;
    }
}