/* ============================================================
   top.css — TOPページ固有スタイル
   ============================================================ */

/* ── Hero Slider ────────────────────────────────────────── */
.hero {
  position: relative;
  width: 100%;
  height: clamp(280px, 55vw, 560px);
  overflow: hidden;
  background: #1a1a1a;
}

.hero__slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1s ease;
}

.hero__slide.is-active {
  opacity: 1;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,0.30) 0%,
    rgba(0,0,0,0.50) 100%
  );
}

.hero__content {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 24px;
}

.hero__text {
  color: #fff;
  font-size: clamp(22px, 4.5vw, 42px);
  font-weight: 700;
  line-height: 1.6;
  text-shadow: 0 1px 4px rgba(0,0,0,0.6);
  letter-spacing: 0.04em;
}

/* Dots */
.hero__dots {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 2;
}

.hero__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background var(--transition), transform var(--transition);
}

.hero__dot.is-active {
  background: #fff;
  transform: scale(1.2);
}

/* ── News Section (TOP) ─────────────────────────────────── */
.top-news__grid {
  display: grid;
  gap: 20px;
}

@media (min-width: 768px) {
  .top-news__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
}

.news-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.news-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.13);
}

/* リンク全体をクリッカブル領域にする */
.news-card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
  text-decoration: none;
  color: inherit;
}

.news-card__thumb {
  aspect-ratio: 16/9;
  overflow: hidden;
}

.news-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.news-card:hover .news-card__thumb img {
  transform: scale(1.04);
}

.news-card__body {
  padding: 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.news-card__meta {
  display: flex;
  align-items: center;
  gap: 8px;
}

.news-card__date {
  font-size: 12px;
  color: var(--clr-text-sub);
}

.news-card__title {
  font-size: 14px;
  font-weight: 700;
  color: var(--clr-text);
  line-height: 1.5;
  transition: color var(--transition);
}

.news-card:hover .news-card__title {
  color: var(--clr-primary);
}

.top-news__more {
  text-align: center;
  margin-top: 32px;
}

/* ── About Section ──────────────────────────────────────── */
.about-section {
  position: relative;
  padding: var(--section-py) 0;
  background: #1c2a1c;
  overflow: hidden;
}

.about-section__bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/common/company-bg.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.35;
}

.about-section__inner {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
  padding: 0 var(--container-px);
  text-align: center;
}

.about-section__title {
  color: #fff;
  font-size: clamp(20px, 3.5vw, 28px);
  margin-bottom: 20px;
  letter-spacing: 0.05em;
}

.about-section__text {
  color: rgba(255,255,255,0.9);
  font-size: 15px;
  line-height: 1.9;
}

/* ── Services Section ───────────────────────────────────── */
.services__grid {
  display: grid;
  gap: 24px;
}

@media (min-width: 768px) {
  .services__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.13);
}

.service-card__img {
  aspect-ratio: 4/3;
  overflow: hidden;
}

.service-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.service-card:hover .service-card__img img {
  transform: scale(1.04);
}

.service-card__body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.service-card__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--clr-primary);
  margin-bottom: 10px;
}

.service-card__text {
  font-size: 14px;
  color: var(--clr-text-sub);
  line-height: 1.7;
  flex: 1;
}

/* ── Works Preview (TOP) ────────────────────────────────── */
.works-preview__grid {
  display: grid;
  gap: 24px;
}

@media (min-width: 768px) {
  .works-preview__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.works-preview-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.works-preview-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.13);
}

.works-preview-card__imgs {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.works-preview-card__imgs figure {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1;
}

.works-preview-card__imgs figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.works-preview-card:hover .works-preview-card__imgs figure img {
  transform: scale(1.04);
}

.works-preview-card__imgs figcaption {
  position: absolute;
  bottom: 0; left: 0;
  background: rgba(0,0,0,0.55);
  color: #fff;
  font-size: 11px;
  padding: 3px 7px;
}

.works-preview-card__body {
  padding: 14px 16px;
}

.works-preview-card__title {
  font-size: 14px;
  font-weight: 700;
  color: var(--clr-text);
  margin-bottom: 4px;
}

.works-preview-card__desc {
  font-size: 13px;
  color: var(--clr-text-sub);
  line-height: 1.6;
}

.works-preview__more {
  text-align: center;
  margin-top: 32px;
}

/* ── Company Teaser ─────────────────────────────────────── */
.company-teaser {
  background: var(--clr-bg-gray);
  padding: var(--section-py) 0;
}

.company-teaser__inner {
  display: grid;
  gap: 24px;
  align-items: center;
}

.company-teaser .mt-md {
  display: flex;
  justify-content: center;
}

@media (max-width: 767px) {
  .company-teaser__inner > div:last-child {
    display: none;
  }
}

@media (min-width: 768px) {
  .company-teaser__inner {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
  }
}

.company-teaser__table {
  width: 100%;
  border-collapse: collapse;
}

.company-teaser__table th,
.company-teaser__table td {
  padding: 10px 12px;
  font-size: 14px;
  border-bottom: 1px solid var(--clr-border);
  text-align: left;
  vertical-align: top;
}

.company-teaser__table th {
  width: 36%;
  color: var(--clr-text-sub);
  font-weight: 500;
  white-space: nowrap;
}

/* .cta-banner は style.css（全ページ共通）で定義 */