/* =========================================
   Post Card Slider — post-slider.css
   タイトル＋抜粋のみ版
   ========================================= */

:root {
    --ps-accent:       #2563eb;
    --ps-accent-hover: #1d4ed8;
    --ps-bg:           #f8fafc;
    --ps-card-bg:      #ffffff;
    --ps-text:         #1e293b;
    --ps-text-muted:   #64748b;
    --ps-border:       #e2e8f0;
    --ps-radius:       14px;
    --ps-shadow:       0 4px 24px rgba(0,0,0,.07);
    --ps-shadow-hover: 0 12px 36px rgba(0,0,0,.13);
    --ps-gap:          24px;
    --ps-card-width:   300px;
    --ps-transition:   .45s cubic-bezier(.25,.46,.45,.94);
}

/* ラッパー */
.ps-slider-wrapper {
    position: relative;
    padding: 0 56px;
    overflow: hidden;
    background: var(--ps-bg);
    border-radius: var(--ps-radius);
}

/* トラック */
.ps-slider-track {
    display: flex;
    gap: var(--ps-gap);
    transition: transform var(--ps-transition);
    will-change: transform;
    padding: 32px 0 52px;
}

/* カード */
.ps-card {
    flex: 0 0 var(--ps-card-width);
    width: var(--ps-card-width);
    background: var(--ps-card-bg);
    border: 1px solid var(--ps-border);
    border-radius: var(--ps-radius);
    box-shadow: var(--ps-shadow);
    display: flex;
    flex-direction: column;
    transition: transform .3s ease, box-shadow .3s ease;
}

.ps-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--ps-shadow-hover);
}

/* 本文エリア */
.ps-card__body {
    padding: 28px 26px 26px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

/* カテゴリバッジ */
.ps-card__cat {
    display: inline-block;
    font-size: .7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .07em;
    color: var(--ps-accent);
    background: rgba(37,99,235,.09);
    padding: 3px 10px;
    border-radius: 999px;
    margin-bottom: 14px;
    align-self: flex-start;
}

/* タイトル */
.ps-card__title {
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.5;
    margin: 0 0 14px;
    color: var(--ps-text);
}

.ps-card__title a {
    color: inherit;
    text-decoration: none;
}

.ps-card__title a:hover {
    color: var(--ps-accent);
}

/* 区切り線 */
.ps-card__title::after {
    content: '';
    display: block;
    width: 36px;
    height: 2px;
    background: var(--ps-accent);
    margin-top: 12px;
    border-radius: 2px;
    opacity: .5;
}

/* 抜粋 */
.ps-card__excerpt {
    font-size: .875rem;
    line-height: 1.8;
    color: var(--ps-text-muted);
    margin: 0 0 20px;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 続きを読む */
.ps-card__link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: .8rem;
    font-weight: 700;
    color: var(--ps-accent);
    text-decoration: none;
    transition: gap .2s ease, color .2s ease;
    align-self: flex-start;
    margin-top: auto;
}

.ps-card__link:hover {
    color: var(--ps-accent-hover);
    gap: 9px;
}

/* ナビゲーション */
.ps-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    background: var(--ps-card-bg);
    border: 1px solid var(--ps-border);
    border-radius: 50%;
    box-shadow: 0 2px 12px rgba(0,0,0,.1);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--ps-text);
    transition: background .2s, color .2s, box-shadow .2s;
    z-index: 10;
}

.ps-nav:hover {
    background: var(--ps-accent);
    color: #fff;
    border-color: var(--ps-accent);
    box-shadow: 0 4px 20px rgba(37,99,235,.3);
}

.ps-nav:disabled {
    opacity: .3;
    pointer-events: none;
}

.ps-nav--prev { left: 8px; }
.ps-nav--next { right: 8px; }

/* ドット */
.ps-dots {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 7px;
}

.ps-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--ps-border);
    border: none;
    padding: 0;
    cursor: pointer;
    transition: background .25s, transform .25s;
}

.ps-dot.is-active {
    background: var(--ps-accent);
    transform: scale(1.35);
}

/* レスポンシブ */
@media (max-width: 900px) {
    :root { --ps-card-width: 260px; }
    .ps-slider-wrapper { padding: 0 44px; }
}

@media (max-width: 640px) {
    :root { --ps-card-width: calc(100vw - 80px); }
    .ps-slider-wrapper { padding: 0 36px; }
    .ps-nav { width: 36px; height: 36px; }
}