/* =========================================================
   sub.css – 下層ページ共通スタイル
   ========================================================= */

/* 下層ページ: 固定ヒーローなし */
body.is-sub main { padding-top: 0; }
body.is-sub .site-header {
  background: rgb(36 36 36 / 92%);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px) saturate(140%);
}

/* Page Hero (下層共通バナー) */
.page-hero {
  position: relative;
  padding: calc(var(--header-h) + 60px) 0 60px;
  text-align: center;
  color: #fff;
  overflow: hidden;
  background: #1a1a1a;
}
.page-hero__bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  filter: brightness(.45) saturate(.85);
}
.page-hero__inner {
  position: relative; z-index: 1;
}
.page-hero__title {
  font-size: clamp(26px, 3.4vw, 42px);
  font-weight: 700;
  margin: 0 0 6px;
  letter-spacing: -.01em;
}
.page-hero__sub {
  font-size: var(--fz-13);
  opacity: .8;
  margin: 0;
}

/* Breadcrumb */
.breadcrumb {
  padding: 14px 0;
  font-size: var(--fz-12);
  color: var(--ink-2);
  border-bottom: 1px solid var(--line);
}
.breadcrumb__list {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.breadcrumb__list li + li::before {
  content: ">";
  margin-right: 6px;
  color: #bbb;
}
.breadcrumb__list a {
  color: var(--ink-2);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.breadcrumb__list a:hover { color: var(--ink); }

/* Section heading (下層) */
.sec-heading {
  text-align: center;
  margin-bottom: 48px;
}
.sec-heading .h2 { margin-bottom: 4px; }
.sec-heading .ja { margin-top: 0; }

/* Table (会社概要など) */
.info-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fz-14);
}
.info-table th,
.info-table td {
  padding: 16px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  line-height: 1.8;
}
.info-table th {
  width: 160px;
  font-weight: 600;
  white-space: nowrap;
  color: var(--ink);
}
@media (max-width: 599.98px) {
  .info-table th,
  .info-table td { display: block; width: 100%; }
  .info-table th { padding-bottom: 4px; border-bottom: none; }
}

/* Works grid (一覧) */
.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
@media (max-width: 1023.98px) { .works-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; } }
@media (max-width: 599.98px) { .works-grid { grid-template-columns: 1fr; } }

.works-grid .card { background: #fff; overflow: hidden; transition: transform .12s ease; }
.works-grid .card:hover { transform: translateY(-2px); }
.works-grid .card__media { margin: 0; }
.works-grid .card__media img { display: block; width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.works-grid .card__meta { display: flex; gap: 10px; align-items: center; padding: 10px 0 6px; font-size: 12px; color: #676C71; }
.works-grid .card__title { margin: 0; padding: 0 0 10px; font-size: 16px; font-weight: 700; }

/* Category filter */
.cat-filter {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 40px;
}
.cat-filter__btn {
  padding: 6px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  font-size: var(--fz-13);
  color: var(--ink-2);
  cursor: pointer;
  transition: all .15s ease;
}
.cat-filter__btn:hover,
.cat-filter__btn.is-active {
  background: #111;
  color: #fff;
  border-color: #111;
}

/* Works detail */
.work-detail { max-width: 860px; margin-inline: auto; }
.work-detail__hero img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  margin-bottom: 32px;
}
.work-detail__meta {
  display: flex;
  gap: 16px;
  align-items: center;
  font-size: var(--fz-12);
  color: var(--ink-2);
  margin-bottom: 8px;
}
.work-detail__meta span {
  padding: 2px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 11px;
}
.work-detail__title {
  font-size: clamp(20px, 2.6vw, 30px);
  font-weight: 700;
  margin: 0 0 24px;
  line-height: 1.4;
}
.work-detail__body {
  font-size: var(--fz-14);
  line-height: 2;
  color: var(--ink);
}
.work-detail__body p { margin: 0 0 20px; }
.work-detail__info {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.work-detail__gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 32px 0;
}
.work-detail__gallery img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}
@media (max-width: 599.98px) { .work-detail__gallery { grid-template-columns: 1fr; } }

/* Back link */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--fz-13);
  color: var(--ink-2);
  margin-top: 48px;
}
.back-link:hover { color: var(--ink); }

/* About page */
.about-section { margin-bottom: 80px; }
.about-section:last-child { margin-bottom: 0; }
.about-section__title {
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 700;
  margin: 0 0 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.about-lead {
  font-size: clamp(14px, 1.6vw, 17px);
  line-height: 2;
  max-width: 780px;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
}
@media (max-width: 759.98px) { .about-grid { grid-template-columns: 1fr; } }
.about-grid img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }

/* Timeline */
.timeline { list-style: none; padding: 0; margin: 0; }
.timeline li {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 20px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  font-size: var(--fz-14);
}
.timeline li dt { font-weight: 600; color: var(--ink); }
.timeline li dd { margin: 0; color: var(--ink-2); }
@media (max-width: 599.98px) {
  .timeline li { grid-template-columns: 80px 1fr; gap: 12px; }
}

/* Recruit */
.recruit-message {
  font-size: clamp(14px, 1.6vw, 17px);
  line-height: 2;
  max-width: 780px;
  margin: 0 auto 60px;
  text-align: center;
}
.recruit-card {
  background: var(--tone);
  padding: 32px;
  margin-bottom: 24px;
}
.recruit-card__title {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 16px;
}

/* Contact form */
.contact-form { max-width: 700px; margin-inline: auto; }
.form-group { margin-bottom: 24px; }
.form-group label {
  display: block;
  font-size: var(--fz-13);
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--ink);
}
.form-group label .required {
  color: #c33;
  font-size: 11px;
  margin-left: 4px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid #d0d0d0;
  border-radius: var(--radius);
  font-size: var(--fz-14);
  font-family: inherit;
  line-height: 1.6;
  background: #fff;
  transition: border-color .15s ease;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: #111;
}
.form-group textarea { resize: vertical; min-height: 160px; }
.form-submit {
  text-align: center;
  margin-top: 40px;
}
.form-submit .btn {
  padding: 12px 48px;
  font-size: var(--fz-14);
}

/* News detail */
.news-detail { max-width: 780px; margin-inline: auto; }
.news-detail__date {
  font-size: var(--fz-12);
  color: var(--ink-2);
  margin-bottom: 8px;
}
.news-detail__title {
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 700;
  margin: 0 0 32px;
  line-height: 1.5;
}
.news-detail__body {
  font-size: var(--fz-14);
  line-height: 2;
}
.news-detail__body p { margin: 0 0 20px; }

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 60px;
}
.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: var(--fz-13);
  color: var(--ink-2);
  transition: all .15s ease;
}
.pagination a:hover {
  background: #111;
  color: #fff;
  border-color: #111;
}
.pagination .is-current {
  background: #111;
  color: #fff;
  border-color: #111;
}

/* CTA banner */
.cta-banner {
  background: var(--tone);
  padding: 60px 0;
  text-align: center;
}
.cta-banner .h2 { margin-bottom: 8px; }
.cta-banner .btn { margin-top: 20px; }