/* ===============================
   free_contents.css
   （free_contents 一覧ページ専用）
   =============================== */

/* ---- 共通トークン ---- */
.free-contents-page {
    --accent: #d36f9e;
    --accent-strong: #bf4a80;
    --card-bg: #fff;
    --card-border: #f3d1e0;
    --muted: #777;
    --tile-radius: 12px;
    --tile-shadow: 0 8px 16px rgba(0, 0, 0, .10);
    --tile-shadow-hover: 0 14px 24px rgba(0, 0, 0, .16);
    --focus-ring: 0 0 0 3px #93c5fd, 0 10px 18px rgba(0, 0, 0, .14);
    --soon-bg: #fff7cc;
    --soon-text: #8a6a00;
    --new-bg: #ffe3ef;
    --new-text: #a63c6b;
    --upd-bg: #e7f5ff;
    --upd-text: #2f6fa3;
}

/* ヒーロー（必要なら） */
.hero-title {
    color: #fff !important;
}

/* 見出し色 */
.free-contents-page h1,
.free-contents-page h2,
.free-contents-page h3 {
    color: var(--accent-strong);
}

/* ページ幅 */
.free-contents-page .container {
    max-width: 1200px;
    margin-inline: auto;
}

/* 導入文 */
.free-contents-page .lead {
    margin: .4rem 0 1.2rem;
    color: var(--muted);
    line-height: 1.8;
}

/* キーボードフォーカス */
.free-contents-page a:focus-visible,
.free-contents-page button:focus-visible {
    outline: 3px solid var(--accent-strong);
    outline-offset: 2px;
    border-radius: 6px;
}

/* ---------------------------------
   A) 総合一覧グリッド
   --------------------------------- */
.free-contents-page .free-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 26px;
    margin-top: 1rem;
}

/* ---------------------------------
   B) カード本体
   --------------------------------- */
.free-contents-page .free-tile {
    display: grid;
    gap: 10px;
    text-decoration: none;
    color: inherit;
    outline: none;
    align-content: start;
}

/* クリック不可の準備中カードにも使えるように */
.free-contents-page .free-tile.is-coming-soon {
    cursor: default;
}

/* サムネ枠 */
.free-contents-page .free-tile .thumb {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
    border: 13px solid var(--card-border);
    border-radius: var(--tile-radius);
    overflow: hidden;
    background: var(--card-bg);
    box-shadow: var(--tile-shadow);
    transition: transform .2s ease, box-shadow .2s ease, opacity .2s ease;
    margin: 0;
}

/* 画像 */
.free-contents-page .free-tile img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* hover / focus */
.free-contents-page .free-tile:hover .thumb {
    transform: translateY(-4px);
    box-shadow: var(--tile-shadow-hover);
}

.free-contents-page .free-tile:focus-visible .thumb {
    box-shadow: var(--focus-ring);
    transform: translateY(-2px);
}

/* coming soon は少し控えめ */
.free-contents-page .free-tile.is-coming-soon:hover .thumb,
.free-contents-page .free-tile.is-coming-soon:focus-visible .thumb {
    transform: none;
    box-shadow: var(--tile-shadow);
}

/* ---------------------------------
   C) バッジ
   --------------------------------- */
.free-contents-page .badge {
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 28px;
    padding: .2rem .55rem;
    border-radius: 999px;
    font-size: .78rem;
    font-weight: 800;
    letter-spacing: .04em;
    background: #fff;
    color: var(--accent-strong);
    border: 2px solid var(--card-border);
    box-shadow: 0 4px 10px rgba(0, 0, 0, .08);
}

.free-contents-page .badge.new {
    background: var(--new-bg);
    color: var(--new-text);
    border-color: #f5bfd6;
}

.free-contents-page .badge.upd {
    background: var(--upd-bg);
    color: var(--upd-text);
    border-color: #b9dfff;
}

.free-contents-page .badge.soon {
    background: var(--soon-bg);
    color: var(--soon-text);
    border-color: #ead98a;
}

/* タイプラベルを右上に出したい時用 */
.free-contents-page .type-chip {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 28px;
    padding: .2rem .55rem;
    border-radius: 999px;
    font-size: .72rem;
    font-weight: 800;
    letter-spacing: .05em;
    background: rgba(255, 255, 255, .95);
    color: var(--accent-strong);
    border: 1px solid rgba(211, 111, 158, .22);
    box-shadow: 0 4px 10px rgba(0, 0, 0, .06);
}

/* ---------------------------------
   D) テキスト部分
   --------------------------------- */
.free-contents-page .free-body {
    display: grid;
    gap: 6px;
}

.free-contents-page .free-tile .name {
    font-weight: 800;
    color: var(--accent-strong);
    line-height: 1.3;
    font-size: 1rem;
    margin: 0;
}

.free-contents-page .free-tile .desc {
    margin: 0;
    color: #555;
    font-size: .95rem;
    line-height: 1.7;
}

/* 補足テキスト */
.free-contents-page .free-tile .meta {
    margin: 0;
    color: var(--muted);
    font-size: .82rem;
    line-height: 1.5;
}

/* ---------------------------------
   E) 外部リンク / 別タブ感を少し出したい時用
   --------------------------------- */
.free-contents-page .free-tile.is-external .name::after {
    content: " ↗";
    font-size: .9em;
    opacity: .8;
}

/* ---------------------------------
   F) 準備中カード
   --------------------------------- */
.free-contents-page .free-tile.is-coming-soon .thumb img {
    opacity: .92;
    filter: saturate(.92);
}

.free-contents-page .free-tile.is-coming-soon .name,
.free-contents-page .free-tile.is-coming-soon .desc {
    opacity: .92;
}

/* クリック不可カードを div で作った場合も見た目を揃える */
.free-contents-page .free-tile[aria-disabled="true"] {
    pointer-events: none;
}

/* ---------------------------------
   G) セクション分けしたくなった時用（任意）
   --------------------------------- */
.free-contents-page .free-section {
    margin-top: 2rem;
}

.free-contents-page .free-section-title {
    margin-bottom: .8rem;
    font-size: 1.15rem;
    color: var(--accent-strong);
}

/* ---------------------------------
   H) 補助：SR only
   --------------------------------- */
.free-contents-page .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* --------- Responsive --------- */
@media (max-width: 700px) {
    .free-contents-page .free-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 18px;
    }

    .free-contents-page .free-tile .name {
        font-size: .98rem;
    }

    .free-contents-page .free-tile .desc {
        font-size: .9rem;
        line-height: 1.6;
    }
}

@media (max-width: 420px) {
    .free-contents-page .free-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }

    .free-contents-page .free-tile .thumb {
        border-width: 10px;
    }

    .free-contents-page .badge,
    .free-contents-page .type-chip {
        font-size: .68rem;
        min-height: 24px;
        padding: .15rem .45rem;
    }
}

/* --------- Dark Mode --------- */
@media (prefers-color-scheme: dark) {
    .free-contents-page {
        --card-bg: #18181b;
        --card-border: #3f2a36;
        --muted: #aaa;
        --tile-shadow: 0 8px 16px rgba(0, 0, 0, .28);
        --tile-shadow-hover: 0 14px 24px rgba(0, 0, 0, .35);
    }

    .free-contents-page .free-tile .thumb {
        background: var(--card-bg);
        border-color: var(--card-border);
    }

    .free-contents-page .free-tile .desc {
        color: #d4d4d8;
    }

    .free-contents-page .type-chip {
        background: rgba(39, 39, 42, .92);
        color: #f3b7d0;
        border-color: rgba(243, 183, 208, .18);
    }

    .free-contents-page .badge {
        box-shadow: 0 4px 10px rgba(0, 0, 0, .22);
    }
}