/* ==========================================================================
   ページ固有：キット詳細
   ========================================================================== */

/* --- キット詳細 ------------------------------------------------------------ */
.pd {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: 28px;
  align-items: start;
}

.gallery__stage {
  background: #f2f2ee;
  border: 1px solid var(--c-border);
}

.gallery__main {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
}

.gallery__thumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.gallery__thumb {
  width: 68px;
  padding: 0;
  background: #f2f2ee;
  border: 2px solid var(--c-border);
  cursor: pointer;
}

.gallery__thumb img,
.gallery__thumb video {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

/* 動画のサムネイルには再生の印を重ねる */
.gallery__thumb--video {
  position: relative;
}

.gallery__thumb--video::after {
  content: '▶';
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 18px;
  text-shadow: 0 0 4px rgb(0 0 0 / 70%);
  pointer-events: none;
}

.gallery__thumb.is-active {
  border-color: var(--c-brand);
}

.pd__info {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.pd__name {
  font-size: 22px;
  line-height: 1.4;
}

.facts {
  width: 100%;
  margin-top: 8px;
  font-size: 13px;
}

.facts th,
.facts td {
  padding: 5px 10px;
  border-top: 1px solid #e5e5e5;
  border-bottom: 1px solid #e5e5e5;
  text-align: left;
}

.facts th {
  width: 9em;
  background: var(--c-bg-sub);
  color: var(--c-text-sub);
  font-weight: normal;
  white-space: nowrap;
}

.buybox {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 12px;
  padding: 16px;
  background: var(--c-box-yellow);
  border: 1px solid var(--c-box-yellow-line);
}

.buybox__price {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
}

.buybox__extax {
  color: var(--c-text-sub);
  font-size: 13px;
}

.buybox__stock {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 13px;
}

.buybox__note {
  color: var(--c-price);
  font-size: 13px;
  font-weight: 700;
}

.buybox__action .btn {
  min-width: 220px;
}

.buybox__guide {
  color: var(--c-text-sub);
  font-size: 12px;
}

.toolbox {
  margin-top: 8px;
  padding: 12px 16px;
  background: var(--c-box-lilac);
  border: 1px solid var(--c-box-lilac-line);
}

.toolbox__title {
  margin-bottom: 4px;
  font-size: 13px;
}

.toolbox ul {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
  font-size: 13px;
}

.toolbox li::before {
  content: "・";
  color: var(--c-muted);
}

.pd-section {
  margin-top: 32px;
}

.pd-section__title {
  margin-bottom: 10px;
  padding-bottom: 4px;
  border-bottom: 1px solid #ccc;
  font-size: 16px;
}

.pd-section__lead {
  margin-bottom: 8px;
  font-size: 13px;
}

/* キット内容（部品表）：区分ごとの見出し行 */
.parts-table__group th[scope="rowgroup"] {
  background: #f3f3f3;
  font-weight: 700;
}

.parts-table__group th[scope="rowgroup"] small {
  margin-left: 0.8em;
  color: var(--c-text-sub);
  font-size: 12px;
  font-weight: normal;
}

.parts-table__group--mounted td {
  color: var(--c-text-sub);
}

.parts-table__refs {
  color: var(--c-text-sub);
  font-size: 12px;
}

.parts-table__source small {
  display: block;
  color: var(--c-text-sub);
  font-size: 11px;
}

.parts-table tfoot small {
  margin-left: 0.5em;
  font-weight: normal;
}

.features {
  padding-left: 1.4em;
  list-style: square;
}

.features li::marker {
  color: var(--c-marker);
}

.features li + li {
  margin-top: 2px;
}

.prose p + p {
  margin-top: 0.9em;
}

.documents li {
  padding: 7px 0;
  border-bottom: 1px dashed var(--c-border);
}

.documents__kind {
  display: inline-block;
  margin-right: 8px;
  padding: 0 4px;
  border: 1px solid var(--c-marker);
  border-radius: 2px;
  color: var(--c-marker);
  font-size: 10px;
  font-weight: 700;
  vertical-align: 1px;
}

.documents .is-pending {
  color: var(--c-muted);
}

.documents .is-pending .documents__kind {
  border-color: var(--c-muted);
  color: var(--c-muted);
}

@media (max-width: 760px) {
  .pd {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .gallery {
    max-width: 420px;
  }
}

/* --- 基板3Dビューア（単体のページ） ---------------------------------------------- */
.viewer-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 16px;
}

.dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 28px 16px;
  background: var(--c-bg-sub);
  border: 2px dashed var(--c-border-dark);
  border-radius: 4px;
  text-align: center;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.dropzone:hover,
.dropzone.is-over {
  background: var(--c-brand-tint);
  border-color: var(--c-brand);
}

.dropzone:focus-within {
  outline: 2px solid #1a73e8;
  outline-offset: 2px;
}

.dropzone__title {
  font-weight: 700;
}

.dropzone__note {
  color: var(--c-text-sub);
  font-size: 12px;
}

.viewer-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 13px;
}

.viewer-options label {
  display: flex;
  align-items: center;
  gap: 6px;
}

.viewer-options select {
  height: 30px;
  padding: 0 6px;
  background: #fff;
  border: 1px solid #767676;
  border-radius: var(--radius);
}

.viewer-area {
  margin-bottom: 8px;
}