/* ==========================================================================
   Company Directory — 企業一覧（/companies/）とカード
   接頭辞: .cpd-*  （archive-company.php / template-parts/components/company-card.php）

   方針（DESIGN_GUIDE.md）: 白背景・1px 罫線・4px 角丸・影は hover のみ。
   アクセントは #667bee、採用中は緑、主カテゴリは小さな色ドット＋文字色で区別する。
   ========================================================================== */

:root {
  --cpd-accent: #667bee;
  --cpd-accent-dark: #4955e2;
  --cpd-accent-soft: #eef1fd;
  --cpd-text: #1f2937;
  --cpd-text-sub: #4b5563;
  --cpd-text-muted: #6b7280;
  --cpd-text-subtle: #9ca3af;
  --cpd-border: #e5e7eb;
  --cpd-border-hover: #cbd5e1;
  --cpd-bg-soft: #f8fafc;
  --cpd-green: #13b66a;
  --cpd-green-soft: #e7f8f0;
  --cpd-radius: 4px;
  --cpd-radius-md: 8px;
  --cpd-cat-web3: #572cd5;
  --cpd-cat-ai: #8d1fac;
  --cpd-cat-deeptech: #089355;
  --cpd-cat-innovator: #d82a41;
  --cpd-cat-none: #6b7280;
  --cpd-shadow-hover: 0 8px 24px -12px rgba(15, 23, 42, 0.12);
}

.cpd {
  background: #fff;
  color: var(--cpd-text);
}

/* ---------- 共通: ボタン ---------- */
.cpd-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.625rem 1.25rem;
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1.3;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.2s, color 0.2s, border-color 0.2s, transform 0.2s;
}

.cpd-btn--lg {
  padding: 0.875rem 1.75rem;
  font-size: 0.9375rem;
}

.cpd-btn--primary {
  background: linear-gradient(135deg, #667bee, #785ff3);
  color: #fff;
  border: 1.5px solid transparent;
}

.cpd-btn--primary:hover {
  transform: translateY(-1px);
  color: #fff;
}

.cpd-btn--outline {
  background: transparent;
  border: 1.5px solid var(--cpd-accent);
  color: var(--cpd-accent);
}

.cpd-btn--outline:hover {
  background: var(--cpd-accent-soft);
  color: var(--cpd-accent-dark);
}

.cpd-btn--ghost {
  background: transparent;
  border: 1.5px solid var(--cpd-border);
  color: var(--cpd-text-sub);
}

.cpd-btn--ghost:hover {
  border-color: var(--cpd-border-hover);
  color: var(--cpd-text);
}

.cpd-btn:focus-visible {
  outline: 2px solid var(--cpd-accent);
  outline-offset: 2px;
}

/* ---------- 共通: 主カテゴリ・採用状況・特徴タグ ---------- */
.cpd-cat {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--cpd-cat-none);
}

.cpd-cat::before {
  content: '';
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: currentColor;
}

.cpd-cat--web3 { color: var(--cpd-cat-web3); }
.cpd-cat--ai { color: var(--cpd-cat-ai); }
.cpd-cat--deeptech { color: var(--cpd-cat-deeptech); }
.cpd-cat--innovator { color: var(--cpd-cat-innovator); }
.cpd-cat--none { color: var(--cpd-text-subtle); }

a.cpd-cat:hover { text-decoration: underline; }

.cpd-status {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
}

.cpd-status--hiring {
  color: #0d8a50;
  background: var(--cpd-green-soft);
  border-color: rgba(19, 182, 106, 0.3);
}

.cpd-status--hiring::before {
  content: '';
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--cpd-green);
}

.cpd-status--none {
  color: var(--cpd-text-muted);
  background: var(--cpd-bg-soft);
  border-color: var(--cpd-border);
}

.cpd-tag {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border: 1px solid var(--cpd-border);
  border-radius: var(--cpd-radius);
  font-size: 0.6875rem;
  color: var(--cpd-text-sub);
  text-decoration: none;
  background: #fff;
  transition: border-color 0.2s, color 0.2s;
}

.cpd-tag:hover {
  border-color: var(--cpd-accent);
  color: var(--cpd-accent-dark);
}

.cpd-tag--more {
  color: var(--cpd-text-muted);
  border-style: dashed;
}

.cpd-pending {
  color: var(--cpd-text-subtle);
  font-weight: 400;
}

/* ---------- ファーストビュー ---------- */
.cpd-hero {
  padding: 2.5rem 0 2rem;
  border-bottom: 1px solid var(--cpd-border);
  background: #fff;
}

.cpd-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--cpd-text-muted);
  margin-bottom: 1.25rem;
}

.cpd-breadcrumb a {
  color: var(--cpd-text-muted);
  text-decoration: none;
}

.cpd-breadcrumb a:hover { color: var(--cpd-accent); }

.cpd-hero__label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cpd-text-muted);
  margin: 0 0 0.75rem;
}

.cpd-hero__title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.5;
  color: var(--cpd-text);
  margin: 0 0 0.75rem;
}

.cpd-hero__lead {
  max-width: 44rem;
  font-size: 0.9375rem;
  line-height: 1.9;
  color: var(--cpd-text-sub);
  margin: 0 0 1.5rem;
}

.cpd-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0 2rem;
  margin: 0 0 1.5rem;
  padding: 0.875rem 0;
  border-top: 1px solid var(--cpd-border);
  border-bottom: 1px solid var(--cpd-border);
}

.cpd-hero__stats > div {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.cpd-hero__stats dt {
  font-size: 0.75rem;
  color: var(--cpd-text-muted);
}

.cpd-hero__stats dd {
  margin: 0;
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--cpd-text);
}

.cpd-hero__stats dd span {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--cpd-text-muted);
  margin-left: 0.15rem;
}

.cpd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.cpd-hero__actions .cpd-btn--primary.is-active {
  box-shadow: 0 0 0 3px rgba(102, 123, 238, 0.25);
}

.cpd-search {
  position: relative;
  display: flex;
  align-items: center;
  max-width: 36rem;
  border: 1px solid var(--cpd-border);
  border-radius: var(--cpd-radius-md);
  background: #fff;
  transition: border-color 0.2s;
}

.cpd-search:focus-within {
  border-color: var(--cpd-accent);
}

.cpd-search__icon {
  position: absolute;
  left: 0.875rem;
  color: var(--cpd-text-subtle);
  pointer-events: none;
}

.cpd-search__input {
  flex: 1;
  min-width: 0;
  padding: 0.75rem 0.75rem 0.75rem 2.75rem;
  border: 0;
  background: transparent;
  font-size: 0.9375rem;
  color: var(--cpd-text);
  outline: none;
}

.cpd-search__submit {
  margin: 0.25rem;
  padding: 0.5rem 1rem;
  border: 0;
  border-radius: 6px;
  background: var(--cpd-text);
  color: #fff;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
}

/* ---------- レイアウト ---------- */
.cpd-main {
  padding: 1.5rem 0 4rem;
}

.cpd-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  align-items: start;
}

/* ---------- フィルターパネル ---------- */
.cpd-filters {
  border: 1px solid var(--cpd-border);
  border-radius: var(--cpd-radius-md);
  background: #fff;
}

.cpd-filters__summary {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--cpd-text);
  cursor: pointer;
  list-style: none;
}

.cpd-filters__summary::-webkit-details-marker { display: none; }

.cpd-filters__active {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.375rem;
  height: 1.375rem;
  padding: 0 0.4rem;
  border-radius: 999px;
  background: var(--cpd-accent);
  color: #fff;
  font-size: 0.6875rem;
  font-weight: 700;
}

.cpd-filters__chevron {
  margin-left: auto;
  width: 0.5rem;
  height: 0.5rem;
  border-right: 1.5px solid var(--cpd-text-muted);
  border-bottom: 1.5px solid var(--cpd-text-muted);
  transform: rotate(45deg);
  transition: transform 0.2s;
}

.cpd-filters[open] .cpd-filters__chevron { transform: rotate(-135deg); }

.cpd-filters__body {
  padding: 0 1rem 1rem;
  border-top: 1px solid var(--cpd-border);
}

.cpd-filter {
  margin: 0;
  padding: 1.125rem 0 0;
  border: 0;
  min-width: 0;
}

.cpd-filter + .cpd-filter {
  margin-top: 1.125rem;
  border-top: 1px solid var(--cpd-border);
}

.cpd-filter__title {
  padding: 0;
  margin-bottom: 0.625rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--cpd-text-muted);
}

.cpd-filter__title small {
  font-weight: 400;
  letter-spacing: 0;
  margin-left: 0.25rem;
  color: var(--cpd-text-subtle);
}

.cpd-filter__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.cpd-filter__link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.625rem;
  border-radius: var(--cpd-radius);
  font-size: 0.875rem;
  color: var(--cpd-text-sub);
  text-decoration: none;
  transition: background-color 0.15s, color 0.15s;
}

.cpd-filter__link:hover {
  background: var(--cpd-bg-soft);
  color: var(--cpd-text);
}

.cpd-filter__link.is-active {
  background: var(--cpd-accent-soft);
  color: var(--cpd-accent-dark);
  font-weight: 600;
}

.cpd-filter__link--hiring.is-active {
  background: var(--cpd-green-soft);
  color: #0d8a50;
}

.cpd-filter__link.is-empty {
  color: var(--cpd-text-subtle);
}

.cpd-filter__dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--cpd-cat-none);
  flex-shrink: 0;
}

.cpd-filter__dot--web3 { background: var(--cpd-cat-web3); }
.cpd-filter__dot--ai { background: var(--cpd-cat-ai); }
.cpd-filter__dot--deeptech { background: var(--cpd-cat-deeptech); }
.cpd-filter__dot--innovator { background: var(--cpd-cat-innovator); }

.cpd-filter__count {
  margin-left: auto;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--cpd-text-subtle);
  font-variant-numeric: tabular-nums;
}

.cpd-filter__link.is-active .cpd-filter__count { color: inherit; }

.cpd-filter__chips {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}

.cpd-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.625rem;
  border: 1px solid var(--cpd-border);
  border-radius: 999px;
  font-size: 0.75rem;
  color: var(--cpd-text-sub);
  text-decoration: none;
  background: #fff;
  transition: border-color 0.15s, color 0.15s, background-color 0.15s;
}

.cpd-chip:hover {
  border-color: var(--cpd-accent);
  color: var(--cpd-accent-dark);
}

.cpd-chip.is-active {
  background: var(--cpd-accent);
  border-color: var(--cpd-accent);
  color: #fff;
}

.cpd-chip__count {
  font-size: 0.6875rem;
  color: var(--cpd-text-subtle);
  font-variant-numeric: tabular-nums;
}

.cpd-chip.is-active .cpd-chip__count { color: rgba(255, 255, 255, 0.85); }

.cpd-filter__more {
  margin-top: 0.625rem;
}

.cpd-filter__more > summary {
  font-size: 0.75rem;
  color: var(--cpd-accent);
  cursor: pointer;
  margin-bottom: 0.5rem;
}

.cpd-filters__clear {
  display: inline-block;
  margin-top: 1.125rem;
  font-size: 0.8125rem;
  color: var(--cpd-accent);
  text-decoration: none;
}

.cpd-filters__clear:hover { text-decoration: underline; }

.cpd-filters__note {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--cpd-border);
  font-size: 0.75rem;
}

.cpd-filters__note a {
  color: var(--cpd-text-muted);
  text-decoration: none;
}

.cpd-filters__note a:hover { color: var(--cpd-accent); }

/* ---------- 一覧ヘッダー ---------- */
.cpd-results { min-width: 0; }

.cpd-results__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  padding-bottom: 0.875rem;
  border-bottom: 1px solid var(--cpd-border);
}

.cpd-results__title {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.5;
  color: var(--cpd-text);
}

.cpd-results__count {
  margin-left: 0.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--cpd-accent-dark);
  font-variant-numeric: tabular-nums;
}

.cpd-sort {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--cpd-text-muted);
}

.cpd-sort select {
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--cpd-border);
  border-radius: var(--cpd-radius);
  background: #fff;
  font-size: 0.8125rem;
  color: var(--cpd-text);
}

.cpd-active {
  list-style: none;
  margin: 0.75rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.375rem;
}

.cpd-active__chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.625rem;
  border-radius: 999px;
  background: var(--cpd-accent-soft);
  color: var(--cpd-accent-dark);
  font-size: 0.75rem;
  font-weight: 600;
  text-decoration: none;
}

.cpd-active__chip--hiring {
  background: var(--cpd-green-soft);
  color: #0d8a50;
}

.cpd-active__chip:hover { opacity: 0.8; }

.cpd-active__clear {
  margin-left: 0.25rem;
  font-size: 0.75rem;
  color: var(--cpd-text-muted);
  text-decoration: underline;
}

/* ---------- カードグリッド ---------- */
.cpd-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 1rem;
}

.cpd-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.25rem;
  background: #fff;
  border: 1px solid var(--cpd-border);
  border-radius: var(--cpd-radius);
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
}

.cpd-card:hover {
  border-color: var(--cpd-border-hover);
  box-shadow: var(--cpd-shadow-hover);
  transform: translateY(-2px);
}

.cpd-card--hiring { border-top: 2px solid var(--cpd-green); }

.cpd-card__top {
  display: flex;
  gap: 0.875rem;
  align-items: flex-start;
}

.cpd-card__logo {
  flex-shrink: 0;
  width: 3.75rem;
  height: 3.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--cpd-border);
  border-radius: var(--cpd-radius);
  background: #fff;
  overflow: hidden;
}

.cpd-card__logo img {
  max-width: 85%;
  max-height: 85%;
  width: auto;
  height: auto;
  object-fit: contain;
}

.cpd-card__logo-placeholder {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--cpd-text-subtle);
}

.cpd-card__head { min-width: 0; flex: 1; }

.cpd-card__labels {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
}

.cpd-card__name {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.01em;
}

.cpd-card__name a {
  color: var(--cpd-text);
  text-decoration: none;
}

.cpd-card__name a:hover { color: var(--cpd-accent-dark); }

.cpd-card__summary {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.8;
  color: var(--cpd-text-sub);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.cpd-card__summary--pending { color: var(--cpd-text-subtle); }

.cpd-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
  margin: 0;
  padding: 0.625rem 0;
  border-top: 1px solid var(--cpd-border);
  border-bottom: 1px solid var(--cpd-border);
}

.cpd-card__meta-item {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  font-size: 0.8125rem;
}

.cpd-card__meta-item dt {
  font-size: 0.6875rem;
  color: var(--cpd-text-muted);
}

.cpd-card__meta-item dd {
  margin: 0;
  color: var(--cpd-text);
}

.cpd-card__meta-item strong {
  font-size: 1rem;
  font-weight: 700;
  color: var(--cpd-text);
  font-variant-numeric: tabular-nums;
}

.cpd-card__tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}

.cpd-card__actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-top: auto;
}

.cpd-card__actions .cpd-btn {
  width: 100%;
  padding-left: 0.75rem;
  padding-right: 0.75rem;
}

/* ---------- 0 件 ---------- */
.cpd-empty {
  margin-top: 1rem;
  padding: 2.5rem 1.5rem;
  border: 1px dashed var(--cpd-border);
  border-radius: var(--cpd-radius-md);
  text-align: center;
}

.cpd-empty__title {
  margin: 0 0 0.5rem;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--cpd-text);
}

.cpd-empty__text {
  max-width: 34rem;
  margin: 0 auto 1.25rem;
  font-size: 0.875rem;
  line-height: 1.9;
  color: var(--cpd-text-sub);
}

.cpd-empty__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.625rem;
}

/* ---------- レスポンシブ ---------- */
@media (min-width: 640px) {
  .cpd-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .cpd-hero { padding: 3.5rem 0 2.5rem; }
  .cpd-main { padding: 2.5rem 0 5rem; }

  .cpd-layout {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 2.5rem;
  }

  .cpd-filters {
    position: sticky;
    top: calc(var(--header-height, 68px) + 1rem);
    max-height: calc(100vh - var(--header-height, 68px) - 2rem);
    overflow-y: auto;
    border: 0;
    border-radius: 0;
  }

  /* PC では常時展開: サマリーは見出しとして残し、JS が open を維持する */
  .cpd-filters__summary {
    padding: 0 0 0.75rem;
    pointer-events: none;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--cpd-text-muted);
  }

  .cpd-filters__summary svg,
  .cpd-filters__chevron { display: none; }

  .cpd-filters__body { padding: 0; }

  .cpd-grid { grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
}

@media (min-width: 1400px) {
  .cpd-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 767px) {
  .cpd-hero { padding: 1.5rem 0 1.25rem; }
  .cpd-hero__lead { font-size: 0.875rem; margin-bottom: 1rem; }
  .cpd-hero__stats { gap: 0 1.25rem; }
  .cpd-hero__stats dd { font-size: 1.125rem; }
  .cpd-hero__actions .cpd-btn { flex: 1 1 100%; }
  .cpd-search__submit { display: none; }

  .cpd-results__bar { flex-direction: column; align-items: stretch; }
  .cpd-sort { justify-content: space-between; }
  .cpd-sort select { flex: 1; }

  .cpd-card { padding: 1rem; }
  .cpd-card__actions { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .cpd-card,
  .cpd-btn { transition: none; }
  .cpd-card:hover,
  .cpd-btn--primary:hover { transform: none; }
}

/* ---------- hidden 属性の保証 ----------
   display:flex/grid を指定した要素は UA の [hidden]{display:none} に負けるため明示する。 */
.cpd-card[hidden],
.cpd-active[hidden],
.cpd-empty[hidden],
.cpd-filters__active[hidden],
.cpd-filters__clear[hidden],
.cpd-filter__chips > li[hidden] {
  display: none;
}