/* グリフォト トピックス v2.3 */

:root {
    --gpc-primary: #2d8c4e;
    --gpc-primary-light: #e8f5ee;
    --gpc-primary-dark: #1e6b38;
    --gpc-text: #333333;
    --gpc-text-light: #777777;
    --gpc-bg: #ffffff;
    --gpc-bg-gray: #f8f8f8;
    --gpc-border: #e5e5e5;
    --gpc-radius: 12px;
    --gpc-shadow: 0 2px 16px rgba(0,0,0,.06);
    --gpc-shadow-hover: 0 8px 32px rgba(0,0,0,.10);
    --gpc-transition: .3s cubic-bezier(.4,0,.2,1);
}

.gpc-archive-wrap { max-width: 1200px; margin: 0 auto; padding: 20px 0 40px; font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif; color: var(--gpc-text); line-height: 1.8; }
.gpc-archive-header { text-align: center; margin-bottom: 48px; }
.gpc-header-accent { width: 40px; height: 4px; background: var(--gpc-primary); border-radius: 2px; margin: 0 auto 16px; }
.gpc-header-en { font-size: 13px; font-weight: 700; letter-spacing: .2em; color: var(--gpc-primary); text-transform: uppercase; margin: 0 0 8px; }
.gpc-header-title { font-size: 32px; font-weight: 900; margin: 0 0 12px; letter-spacing: .05em; }
.gpc-header-desc { font-size: 15px; color: var(--gpc-text-light); margin: 0; }

.gpc-category-filter { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 48px; }
.gpc-cat-btn { display: inline-block; padding: 8px 20px; border-radius: 50px; font-size: 14px; font-weight: 600; text-decoration: none; color: var(--gpc-text); background: var(--gpc-bg-gray); border: 1.5px solid var(--gpc-border); transition: all var(--gpc-transition); }
.gpc-cat-btn:hover { background: var(--gpc-primary-light); border-color: var(--gpc-primary); color: var(--gpc-primary-dark); }
.gpc-cat-btn.is-active { background: var(--gpc-primary); border-color: var(--gpc-primary); color: #fff; }

.gpc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.gpc-grid-3 { grid-template-columns: repeat(3, 1fr); }
.gpc-card { background: var(--gpc-bg); border-radius: var(--gpc-radius); overflow: hidden; box-shadow: var(--gpc-shadow); transition: all var(--gpc-transition); }
.gpc-card:hover { box-shadow: var(--gpc-shadow-hover); transform: translateY(-4px); }
.gpc-card-link { display: block; text-decoration: none; color: inherit; }
.gpc-card-thumb { position: relative; aspect-ratio: 3/2; overflow: hidden; background: var(--gpc-bg-gray); }
.gpc-card-img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--gpc-transition); }
.gpc-card:hover .gpc-card-img { transform: scale(1.05); }
.gpc-card-noimg { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; color: #ccc; }
.gpc-card-noimg svg { width: 48px; height: 48px; }
.gpc-card-cat { position: absolute; top: 12px; left: 12px; background: var(--gpc-primary); color: #fff; font-size: 11px; font-weight: 700; padding: 4px 12px; border-radius: 50px; letter-spacing: .05em; }
.gpc-card-body { padding: 20px; }
.gpc-card-date { display: block; font-size: 12px; color: var(--gpc-text-light); margin-bottom: 8px; letter-spacing: .05em; }
.gpc-card-title { font-size: 16px; font-weight: 700; line-height: 1.5; margin: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.gpc-card-excerpt { font-size: 13px; color: var(--gpc-text-light); margin: 8px 0 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; line-height: 1.6; }

.gpc-pagination { margin-top: 56px; text-align: center; }
.gpc-pagination .page-numbers { display: inline-flex; align-items: center; justify-content: center; min-width: 40px; height: 40px; padding: 0 8px; border-radius: 8px; font-size: 14px; font-weight: 600; text-decoration: none; color: var(--gpc-text); background: var(--gpc-bg); border: 1.5px solid var(--gpc-border); transition: all var(--gpc-transition); margin: 0 3px; }
.gpc-pagination .page-numbers.current { background: var(--gpc-primary); border-color: var(--gpc-primary); color: #fff; }
.gpc-pagination .page-numbers:hover:not(.current) { border-color: var(--gpc-primary); color: var(--gpc-primary); }

.gpc-empty { text-align: center; padding: 80px 0; color: var(--gpc-text-light); font-size: 16px; }

.gpc-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 40px 0 24px; }
.gpc-tag { display: inline-block; padding: 6px 16px; border-radius: 50px; font-size: 13px; font-weight: 600; text-decoration: none; color: var(--gpc-primary); background: var(--gpc-primary-light); }

.gpc-related { margin: 56px 0 40px; padding-top: 48px; border-top: 1px solid var(--gpc-border); }
.gpc-related-header { text-align: center; margin-bottom: 32px; }
.gpc-related-en { font-size: 13px; font-weight: 700; letter-spacing: .2em; color: var(--gpc-primary); text-transform: uppercase; margin: 0 0 4px; }
.gpc-related-title { font-size: 24px; font-weight: 900; margin: 0; }

.gpc-back-to-list { text-align: center; margin-top: 40px; padding-bottom: 20px; }
.gpc-back-btn { display: inline-block; padding: 14px 48px; border-radius: 50px; font-size: 15px; font-weight: 700; text-decoration: none; color: #fff; background: var(--gpc-primary); transition: all var(--gpc-transition); letter-spacing: .05em; }
.gpc-back-btn:hover { background: var(--gpc-primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 4px 16px rgba(45,140,78,.3); }

@media (max-width: 1024px) { .gpc-grid, .gpc-grid-3 { grid-template-columns: repeat(2, 1fr); gap: 24px; } }
@media (max-width: 768px) { .gpc-archive-wrap { padding: 16px 0 40px; } .gpc-header-title { font-size: 24px; } .gpc-grid, .gpc-grid-3 { grid-template-columns: 1fr; gap: 20px; } .gpc-card-thumb { aspect-ratio: 16/9; } .gpc-category-filter { gap: 6px; } .gpc-cat-btn { padding: 6px 14px; font-size: 13px; } .gpc-back-btn { display: block; margin: 0 16px; } }