/* ============================================================
   works.css — 実績アーカイブ・シングルページ専用スタイル
   ============================================================ */

/* ---- Works Filter ---- */
.works-filter {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}
.filter-btn {
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-mid);
    background: var(--bg-light);
    border: 1px solid var(--border);
    padding: 0.4rem 1.1rem;
    border-radius: 100px;
    cursor: pointer;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
    font-family: var(--font-sans);
}
.filter-btn:hover,
.filter-btn.active {
    background: var(--text);
    color: #fff;
    border-color: var(--text);
}

/* ---- Works Grid ---- */
.works-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

/* ---- Work Card ---- */
.work-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}
.work-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 16px 40px rgba(0,0,0,0.1);
}

/* サムネイルリンク */
.work-thumb-link { display: block; }
.work-thumb {
    width: 100%;
    aspect-ratio: 16/9;
    overflow: hidden;
    position: relative;
}
.work-thumb img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    display: block;
}
.work-card:hover .work-thumb img { transform: scale(1.05); }
.work-thumb-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(10,15,30,0.6) 0%, transparent 55%);
    display: flex;
    align-items: flex-end;
    padding: 1.2rem;
}
.work-tag {
    font-family: var(--font-en);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: rgba(255,255,255,0.9);
    background: rgba(26,86,219,0.75);
    padding: 0.25rem 0.7rem;
    border-radius: 100px;
}
.work-tag-inline {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--blue);
    background: rgba(26,86,219,0.08);
    padding: 0.2rem 0.7rem;
    border-radius: 100px;
    border: 1px solid rgba(26,86,219,0.2);
}

/* カード本文エリア */
.work-card-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 1.5rem;
}
.work-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    line-height: 1.4;
}
.work-title a { transition: color 0.2s; }
.work-title a:hover { color: var(--blue); }
.work-meta {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    flex: 1;
    margin-bottom: 1.2rem;
}
.work-meta-item { display: flex; gap: 0.7rem; align-items: flex-start; }
.work-meta-label {
    flex-shrink: 0;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--blue);
    background: rgba(26,86,219,0.08);
    padding: 0.18rem 0.55rem;
    border-radius: 3px;
    margin-top: 0.15rem;
    white-space: nowrap;
}
.work-meta-item p { font-size: 0.86rem; color: var(--text-light); line-height: 1.6; }
.work-excerpt {
    font-size: 0.88rem;
    color: var(--text-light);
    line-height: 1.7;
    flex: 1;
    margin-bottom: 1.2rem;
}

/* ---- 詳細はこちら CTAボタン ---- */
.work-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: auto;
    padding: 0.7rem 1.4rem;
    background: var(--blue);
    color: #fff;
    font-size: 0.88rem;
    font-weight: 700;
    border-radius: 4px;
    transition: background 0.25s, transform 0.25s, gap 0.25s;
    align-self: flex-start;
}
.work-cta-btn svg {
    transition: transform 0.25s;
    flex-shrink: 0;
}
.work-cta-btn:hover {
    background: var(--blue-dark);
    transform: translateY(-2px);
    gap: 0.75rem;
}
.work-cta-btn:hover svg { transform: translateX(3px); }

/* 空状態 */
.works-empty {
    text-align: center;
    padding: 5rem 0;
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 2;
}

/* ============================================================
   Single Works Detail
   ============================================================ */

.work-detail-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 4rem;
    align-items: start;
}

/* 課題・解決・成果 3点カード */
.work-detail-cards {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    margin-bottom: 3rem;
}
.work-detail-card {
    padding: 1.5rem;
    border-radius: 6px;
    border-left: 4px solid;
}
.work-detail-challenge { background: rgba(239,68,68,0.05);  border-color: #EF4444; }
.work-detail-solution  { background: rgba(26,86,219,0.05);  border-color: var(--blue); }
.work-detail-result    { background: rgba(16,185,129,0.05); border-color: #10B981; }
.work-detail-card-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 0.6rem;
    color: var(--text-mid);
}
.work-detail-card p { font-size: 0.95rem; color: var(--text-mid); line-height: 1.8; }

/* 詳細セクション（プロセス・ギャラリー） */
.work-detail-section {
    margin-top: 3.5rem;
    padding-top: 3rem;
    border-top: 1px solid var(--border);
}
.work-detail-section-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    padding-left: 1rem;
    border-left: 3px solid var(--blue);
}

/* WYSIWYGコンテンツ */
.work-detail-content {
    font-size: 0.95rem;
    line-height: 1.9;
    color: var(--text-mid);
}
.work-detail-content p  { margin-bottom: 1rem; }
.work-detail-content h2 { font-size: 1.15rem; font-weight: 700; margin: 2rem 0 0.8rem; }
.work-detail-content h3 { font-size: 1.05rem; font-weight: 700; margin: 1.5rem 0 0.6rem; }
.work-detail-content ul,
.work-detail-content ol { padding-left: 1.5rem; margin-bottom: 1rem; }
.work-detail-content li { margin-bottom: 0.4rem; }
.work-detail-content img { border-radius: 6px; margin: 1.5rem 0; max-width: 100%; }
.work-detail-content strong { font-weight: 700; color: var(--text); }

/* ギャラリー */
.work-gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.2rem;
}
.work-gallery-item {
    border-radius: 6px;
    overflow: hidden;
    margin: 0;
}
.work-gallery-item a { display: block; }
.work-gallery-item img {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
    transition: transform 0.4s ease;
    display: block;
}
.work-gallery-item:hover img { transform: scale(1.03); }
.work-gallery-item figcaption {
    font-size: 0.78rem;
    color: var(--text-light);
    padding: 0.5rem 0.2rem;
    text-align: center;
}

/* ---- サイドバー ---- */
.work-sidebar-box {
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.8rem;
    position: sticky;
    top: calc(var(--header-h) + 2rem);
}
.work-sidebar-title {
    font-size: 0.88rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
    padding-bottom: 0.8rem;
    border-bottom: 1px solid var(--border);
}
.work-sidebar-list { display: flex; flex-direction: column; gap: 1rem; }
.work-sidebar-list dt {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-light);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 0.25rem;
}
.work-sidebar-list dd { font-size: 0.9rem; color: var(--text-mid); }
.work-sidebar-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.work-sidebar-tags span {
    font-size: 0.75rem;
    background: var(--bg);
    border: 1px solid var(--border);
    padding: 0.15rem 0.6rem;
    border-radius: 100px;
    color: var(--text-mid);
}

/* 一覧に戻るリンク（サイドバー下） */
.work-back-link {
    display: block;
    margin-top: 1.2rem;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-light);
    text-align: center;
    transition: color 0.2s;
}
.work-back-link:hover { color: var(--blue); }

/* ---- 前後ナビゲーション ---- */
.work-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}
.work-nav-link {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    max-width: 280px;
    transition: color 0.2s;
}
.work-nav-link:hover { color: var(--blue); }
.work-nav-dir   { font-size: 0.75rem; color: var(--text-light); }
.work-nav-title { font-size: 0.9rem; font-weight: 700; }
.work-nav-prev  { text-align: left; }
.work-nav-next  { text-align: right; }
.work-nav-all {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--blue);
    border: 1px solid rgba(26,86,219,0.3);
    padding: 0.5rem 1.2rem;
    border-radius: 100px;
    transition: background 0.2s;
    white-space: nowrap;
}
.work-nav-all:hover { background: rgba(26,86,219,0.06); }

/* ---- Responsive ---- */
@media (max-width: 900px) {
    .works-grid           { grid-template-columns: 1fr; }
    .work-detail-layout   { grid-template-columns: 1fr; }
    .work-sidebar-box     { position: static; }
    .work-nav             { flex-wrap: wrap; justify-content: center; }
    .work-gallery         { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
    .work-card-body       { padding: 1.2rem; }
    .work-cta-btn         { width: 100%; justify-content: center; }
}