/* --- スライダー本体 --- */
#slider-container {
    position: relative;
    width: 100%;
    overflow: hidden;
}

#slider-track {
    display: flex;
    transition: transform 0.3s ease-in-out;
    justify-content: initial;
    gap: 0;
}

.slide-item {
    width: 100%;
    flex-shrink: 0;
    box-sizing: border-box;
}

#slider-container.is-slider-active .slide-item {
    width: 80%;
    padding: 0 10px;
}

.slide-content {
    background-color: #ffffff;
    border-radius: 0.5rem;
    height: 16rem;
    /* 256px */
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
}

.slide-content span {
    font-size: 2.25rem;
    font-weight: bold;
    color: #374151;
}

/* --- 操作ボタン --- */
.slider-button {
    position: absolute;
    width: 8rem;
    height: 8rem;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(255, 255, 255, 1);
    border-radius: 9999px;
    padding: 0.5rem;
    border: none;
    cursor: pointer;
    z-index: 10;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    transition: background-color 0.2s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-button:hover {
    background-color: #ffffff;
}

.slider-button svg {
    width: 2.5rem;
    height: 2.5rem;
    display: block;
}

.slider-button:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.5);
}

#prev-button {
    left: -4rem;
    justify-content: flex-end;
}

#next-button {
    right: -4rem;
    justify-content: flex-start;
}

/* --- ドットナビゲーション --- */
#dots-container {
    display: flex;
    justify-content: center;
    align-items: center;
    /* ボタンとドットを垂直中央揃え */
    margin-top: 1.5rem;
}

.dot {
    width: 1rem;
    height: 1rem;
    border-radius: 9999px;
    background-color: #d1d5db;
    border: none;
    padding: 0;
    cursor: pointer;
    transition: background-color 0.3s ease-in-out;
    margin: 0.7rem;
}

.dot.active {
    background-color: #3143CF;
}

.dot:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.5);
}

.dots-nav-button {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0 1rem;
    line-height: 1;
}

.dots-nav-button svg {
    width: 1.5rem;
    height: 1.5rem;
    color: #8CAEE8;
    transition: color 0.2s ease-in-out;
}

.dots-nav-button:hover svg {
    color: #1f2937;
}

/* --- 状態変化とレスポンシブ --- */
.js-hidden {
    display: none !important;
}

#slider-container.is-slider-active {
    cursor: grab;
}

#slider-container.is-slider-active.dragging {
    cursor: grabbing;
    user-select: none;
}

/* 1200px以上ではスライドが横並びになる */
@media (min-width: 769px) {

    #slider-track.desktop-grid {
        display: grid;
        gap: 16px;

        &.col2 {
            grid-template-columns: repeat(2, 1fr);
        }

        &.col3 {
            grid-template-columns: repeat(3, 1fr);
        }

        &.col4 {
            grid-template-columns: repeat(4, 1fr);
        }
    }

    #slider-track.desktop-grid .slide-item {
        width: 100% !important;
        padding: 0;
    }

    #slider-track.desktop-grid .slide-content {
        height: 18rem;
        /* PCでは少し高さを出す例 */
    }
}