/* ============================================================
   index.css — トップページ専用スタイル
   ============================================================ */

/* ---- HERO ---- */
.hero {
  margin-top: var(--header-h);
  position: relative;
  overflow: hidden;
  background: #1a1a1a;
}
.hero__slider { position: relative; }
.hero__slide { display: none; position: relative; }
.hero__slide.active { display: block; }

.hero__img {
  width: 100%;
  height: 520px;
  min-height: 320px;
}
@media (max-width: 768px) { .hero__img { height: 300px; } }

.hero__caption {
  position: absolute;
  bottom: 60px;
  left: 5%;
  z-index: 2;
  color: var(--color-white);
  text-shadow: 0 1px 4px rgba(0,0,0,.5);
}
.hero__caption .en {
  font-size: .72rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  opacity: .8;
  margin-bottom: 8px;
}
.hero__caption h1 {
  font-size: clamp(1.6rem, 4vw, 3rem);
  margin-bottom: 20px;
  line-height: 1.35;
}

.hero__dots {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 3;
}
.hero__dots button {
  width: 10px; height: 10px;
  border-radius: 50%;
  border: 2px solid #fff;
  background: transparent;
  padding: 0;
  transition: background .3s;
}
.hero__dots button.active { background: #fff; }

.hero__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,.2);
  border: none;
  color: #fff;
  font-size: 2rem;
  width: 48px; height: 48px;
  border-radius: 50%;
  z-index: 3;
  transition: background .2s;
}
.hero__arrow:hover { background: rgba(255,255,255,.45); }
.hero__arrow--prev { left: 16px; }
.hero__arrow--next { right: 16px; }

/* ---- BANNERS ---- */
.banners__grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
@media (max-width: 1024px) { .banners__grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 480px)  { .banners__grid { grid-template-columns: repeat(2, 1fr); } }

.banner-card {
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .2s, box-shadow .2s;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 24px 8px 20px;
  text-decoration: none;
  background: var(--color-primary);
}
.banner-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0,0,0,.18);
}

/* アイコンエリア */
.banner-card__icon {
  font-size: 2.2rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ラベル */
.banner-card__label {
  text-align: center;
  font-size: .78rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.4;
}

/* 各バナー個別カラー */
.banner-card--eco     { background: #3a7d6e; }
.banner-card--akiya   { background: #7a6e3d; }
.banner-card--mansion { background: #4a6080; }
.banner-card--pet     { background: #7a5c3a; }
.banner-card--line    { background: #06C755; }
.banner-card--youtube { background: #FF0000; }

/* ---- CONCEPT ---- */
.concept__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
@media (max-width: 768px) {
  .concept__inner { grid-template-columns: 1fr; gap: 32px; }
  .concept__media { order: -1; }
}

/* ---- KODAWARI ---- */
.kodawari-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-white);
  overflow: hidden;
  padding: 0 0 20px;
}
.kodawari-card h3 {
  font-size: 1rem;
  padding: 16px 16px 8px;
  color: var(--color-primary);
}
.kodawari-card p { padding: 0 16px; font-size: .85rem; color: var(--color-muted); }

/* ---- SERVICE ITEM ---- */
.service-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow .2s;
}
.service-item:hover { box-shadow: var(--shadow); }
.service-item h3 {
  padding: 14px 16px 6px;
  font-size: .95rem;
  color: var(--color-primary);
}
.service-item p { padding: 0 16px 16px; font-size: .82rem; color: var(--color-muted); }

/* ---- DESIGN TOP ---- */
.design-top__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
@media (max-width: 768px) {
  .design-top__inner { grid-template-columns: 1fr; gap: 32px; }
}

/* ---- PERFORMANCE ---- */
.perf-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-white);
  overflow: hidden;
  padding-bottom: 20px;
  transition: box-shadow .2s;
  display: block;
}
.perf-card:hover { box-shadow: var(--shadow); }
.perf-card h3 { padding: 14px 16px 6px; font-size: .95rem; color: var(--color-primary); }
.perf-card p  { padding: 0 16px; font-size: .82rem; color: var(--color-muted); }

/* ---- ABOUT BANNERS ---- */
.about-banners__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
@media (max-width: 600px) {
  .about-banners__grid { grid-template-columns: repeat(2, 1fr); }
}

.about-banner-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  transition: transform .2s, box-shadow .2s;
  text-decoration: none;
}
.about-banner-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,.12);
}

.about-banner-card__img {
  width: 100%;
  aspect-ratio: 3 / 2;
}

.about-banner-card__body {
  padding: 18px 18px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.about-banner-card__en {
  font-size: .68rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 6px;
}

.about-banner-card__title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.about-banner-card__desc {
  font-size: .8rem;
  color: var(--color-muted);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 14px;
}

.about-banner-card__link {
  font-size: .78rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: .04em;
}

/* ---- NEWS LIST ---- */
.news-list { border-top: 1px solid var(--color-border); }
.news-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
  flex-wrap: wrap;
}
.news-item time { font-size: .82rem; color: var(--color-muted); min-width: 90px; }
.news-item a { font-size: .9rem; transition: color .2s; }
.news-item a:hover { color: var(--color-accent); }

/* ---- CTA BAR ---- */
.cta-bar {
  background: var(--color-primary);
  padding: 56px 0;
}
.cta-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-bar__text .en {
  font-size: .72rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 8px;
}
.cta-bar__text h2 { color: var(--color-white); font-size: 1.4rem; margin-bottom: 8px; }
.cta-bar__text p  { color: rgba(255,255,255,.75); font-size: .85rem; }
.cta-bar__btns    { display: flex; gap: 16px; flex-wrap: wrap; }