/*
Theme Name: Lightning Child (Seminar Brain)
Template: lightning
Description: complete2 base + URL/Link 両対応 + 単一ページ見た目統一 + r5a 機能維持 + reverse-related links
Version: 1.5.3r5a-titlepatch-full4b-fixed-complete2-full5e-relatedlinks-unified
Author: ChatGPT
*/
.sb-grid{display:grid;gap:1.25rem}
.sb-grid.cols-1{grid-template-columns:1fr}
.sb-grid.cols-2{grid-template-columns:repeat(2,1fr)}
.sb-grid.cols-3{grid-template-columns:repeat(3,1fr)}
.sb-grid.cols-4{grid-template-columns:repeat(4,1fr)}
@media (max-width: 960px){ .sb-grid.cols-3,.sb-grid.cols-4{grid-template-columns:repeat(2,1fr)} }
@media (max-width: 640px){ .sb-grid{grid-template-columns:1fr} }

.sb-card{background:#fff;border:1px solid rgba(0,0,0,.06);border-radius:.75rem;overflow:hidden;padding:1rem}
.sb-card img{max-width:100%;height:auto;display:block}
.sb-title{font-size:1.25rem;margin:.5rem 0}
.sb-meta{opacity:.8;font-size:.9rem;margin:.25rem 0}
.sb-excerpt{margin-top:.5rem}

.pagination{display:flex;list-style:none;padding:0;margin:2rem 0;gap:.5rem;justify-content:center}
.pagination li a, .pagination li span{display:inline-block;padding:.5rem .75rem;border:1px solid #ddd;border-radius:.375rem;text-decoration:none}
.pagination li.active span{background:#0073aa;color:#fff;border-color:#0073aa}

.sb-single-actions{ margin-top:1rem }
.sb-single-actions .button{ display:inline-block; padding:.6rem 1rem; border:1px solid #0073aa; border-radius:.375rem; text-decoration:none }

.sb-section{margin-top:2rem}
.sb-section h3{margin-bottom:.75rem}