.app-list-section { padding-block: 36px 64px; }
.app-directory-controls { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 14px 24px; margin-bottom: 20px; }
.app-platform-filter { display: flex; flex-wrap: wrap; gap: 4px; min-width: 0; margin: 0; padding: 0; border: 0; }
.app-platform-filter label { position: relative; cursor: pointer; }
.app-platform-filter label span { display: flex; align-items: center; justify-content: center; min-height: 44px; padding: 8px 14px; border-bottom: 2px solid transparent; color: var(--text-muted); font-size: .94rem; font-weight: 650; }
.app-platform-filter label:hover span { color: var(--accent); }
.app-platform-filter input:checked + span { border-bottom-color: var(--accent); color: var(--accent); }
.app-platform-filter input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 3px; }
.app-directory-tools { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.app-directory-count { margin: 0; color: var(--text-muted); font-size: .88rem; font-variant-numeric: tabular-nums; white-space: nowrap; }
.app-sort-select { max-width: 100%; min-width: 0; min-height: 44px; padding: 8px 10px; border: 1px solid var(--line-strong); border-radius: 6px; background: var(--surface); color: var(--text); font: inherit; font-size: .88rem; }
.app-directory { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 48px; margin: 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.app-entry { min-width: 0; border-bottom: 1px solid var(--line); }
.app-entry-link { display: grid; grid-template-columns: 64px minmax(0, 1fr) 20px; align-items: start; column-gap: 20px; height: 100%; padding-block: 28px; }
.app-entry-icon { display: block; width: 64px; height: 64px; border-radius: 15px; }
.app-entry-copy { min-width: 0; overflow-wrap: anywhere; }
.app-entry-name { margin: 0; font-size: 1.25rem; line-height: 1.45; }
.app-entry-meta { display: flex; flex-wrap: wrap; gap: 4px 10px; margin-top: 5px; color: var(--text-muted); font-size: .8rem; line-height: 1.6; }
.app-entry-meta > span + span { padding-left: 10px; border-left: 1px solid var(--line-strong); }
.app-entry-copy p { margin: 12px 0 0; color: var(--text-muted); font-size: .94rem; line-height: 1.75; }
.app-entry-arrow { color: var(--accent); font-size: 1.2rem; line-height: 1.5; }
.app-entry-link:hover .app-entry-name { color: var(--accent); text-decoration: underline; text-underline-offset: 4px; }
.app-entry-link:focus-visible, .app-sort-select:focus-visible, .app-directory-reset:focus-visible { outline-color: var(--accent); }
.app-directory-empty { padding-block: 36px; border-block: 1px solid var(--line); text-align: center; }
.app-directory-empty p { margin: 0 0 12px; color: var(--text-muted); }
.app-directory-reset { min-height: 44px; padding: 8px 12px; border: 1px solid var(--line-strong); border-radius: 6px; background: var(--surface); color: var(--accent); cursor: pointer; }
.app-directory-reset:hover { border-color: var(--accent); }
/* CSSのdisplay指定でも、JavaScript無効時や絞り込み中のhiddenを尊重する。 */
.app-directory-controls[hidden], .app-directory[hidden], .app-directory-empty[hidden], .app-directory-reset[hidden] { display: none; }

@media (max-width: 1000px) {
  .app-directory { column-gap: 32px; }
  .app-entry-link { grid-template-columns: 56px minmax(0, 1fr) 16px; column-gap: 16px; }
  .app-entry-icon { width: 56px; height: 56px; border-radius: 13px; }
}

@media (max-width: 760px) {
  .app-list-section { padding-block: 24px 48px; }
  .app-directory-controls { align-items: stretch; gap: 12px; margin-bottom: 16px; }
  .app-platform-filter { width: 100%; }
  .app-platform-filter label { flex: 1; }
  .app-platform-filter label span { padding-inline: 10px; }
  .app-directory-tools { width: 100%; }
  .app-directory { grid-template-columns: minmax(0, 1fr); }
  .app-entry-link { padding-block: 24px; }
}

@media (max-width: 360px) {
  .app-entry-link { grid-template-columns: 48px minmax(0, 1fr) 16px; column-gap: 12px; }
  .app-entry-icon { width: 48px; height: 48px; border-radius: 11px; }
  .app-entry-name { font-size: 1.125rem; }
}