/* guestbook.css — 留言板 */
.gb-layout { display: grid; grid-template-columns: 380px 1fr; gap: 1.5rem; align-items: start; }
.gb-form {
  position: sticky; top: 76px; background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.4rem; box-shadow: var(--shadow);
}
.msg-list { display: flex; flex-direction: column; gap: 1rem; }
.msg-item { background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.1rem 1.2rem; }
.msg-head { display: flex; justify-content: space-between; align-items: center; gap: 0.6rem; margin-bottom: 0.4rem; }
.msg-name { font-weight: 700; }
.msg-time { color: var(--text-mute); font-size: 0.85rem; }
.msg-content { color: var(--text-soft); }
.msg-content p { margin-bottom: 0.5em; }
.gb-actions { display: flex; gap: 0.6rem; align-items: center; margin-top: 1.2rem; flex-wrap: wrap; }
@media (max-width: 760px) {
  .gb-layout { grid-template-columns: 1fr; }
  .gb-form { position: static; }
}