/* =========================================================
   トップページ専用スタイル (home.css)
   ========================================================= */

/* ---------- メインビジュアル ---------- */
.hero {
  position: relative;
  min-height: 620px;
  display: flex;
  align-items: center;
  color: #fff;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__bg img { width: 100%; height: 100%; object-fit: cover; object-position: center 30%; }
.hero__bg::after {
  /* 工業的な濃紺オーバーレイ（左から濃く） */
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(100deg,
    rgba(19, 31, 43, 0.92) 0%,
    rgba(19, 31, 43, 0.78) 45%,
    rgba(19, 31, 43, 0.45) 100%);
}
.hero__inner { position: relative; z-index: 1; padding: 80px 0; }
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .8rem; letter-spacing: .18em; font-weight: 600;
  color: #9fc6d6;
  border-left: 3px solid var(--color-accent);
  padding-left: 12px;
  margin-bottom: 26px;
}
.hero__title {
  font-size: clamp(1.9rem, 4.6vw, 3.1rem);
  line-height: 1.45;
  letter-spacing: .02em;
  font-weight: 700;
  margin-bottom: 26px;
  text-shadow: 0 2px 16px rgba(0,0,0,.25);
}
.hero__title .accent { color: #7fc4dd; }
.hero__lead {
  font-size: clamp(1rem, 1.6vw, 1.12rem);
  line-height: 2;
  color: #d7dee4;
  max-width: 620px;
  margin-bottom: 38px;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* ヒーロー下部の数値バー（信頼の根拠を端的に） */
.hero-stats {
  position: relative;
  z-index: 1;
  background: var(--color-navy-dark);
  border-top: 1px solid rgba(255,255,255,.08);
}
.hero-stats__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.hero-stats__item {
  padding: 28px 24px;
  text-align: center;
  color: #fff;
  border-right: 1px solid rgba(255,255,255,.08);
}
.hero-stats__item:last-child { border-right: none; }
.hero-stats__num {
  font-size: 1.6rem; font-weight: 700; color: #7fc4dd; letter-spacing: .02em;
  display: block;
}
.hero-stats__label { font-size: .82rem; color: #9fadb9; margin-top: 4px; }

/* ---------- 3大提供価値 ---------- */
.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.value-card {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow .25s var(--ease), transform .25s var(--ease);
}
.value-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.value-card__media { position: relative; aspect-ratio: 4 / 3; background: var(--color-bg-soft); overflow: hidden; }
.value-card__media img { width: 100%; height: 100%; object-fit: cover; object-position: center center; }

/* 各カード画像のトリミング位置調整 */
.value-card:nth-child(1) .value-card__media img { object-position: 85% center; }
.value-card:nth-child(2) .value-card__media img { object-position: center center; }
.value-card:nth-child(3) .value-card__media img { object-position: center 40%; }
.value-card__no {
  position: absolute; top: 14px; left: 14px;
  background: var(--color-navy);
  color: #fff; font-weight: 700; font-size: .8rem;
  padding: 5px 12px; border-radius: var(--radius);
  letter-spacing: .08em;
}
.value-card__body { padding: 26px 24px 28px; display: flex; flex-direction: column; flex: 1; }
.value-card__icon {
  width: 46px; height: 46px; border-radius: var(--radius);
  background: var(--color-bg-soft); color: var(--color-accent);
  display: grid; place-items: center; margin-bottom: 16px;
}
.value-card__icon .icon { width: 24px; height: 24px; }
.value-card__title { font-size: 1.18rem; color: var(--color-navy); margin-bottom: 12px; }
.value-card__text { color: var(--color-muted); font-size: .92rem; line-height: 1.9; flex: 1; }
.value-card__link { margin-top: 18px; }

/* ---------- 5大コア技術ダイジェスト ---------- */
.strength-list {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  background: var(--color-line);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
}
.strength-item {
  background: #fff;
  padding: 30px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: background .2s var(--ease);
}
.strength-item:hover { background: var(--color-bg-alt); }
.strength-item__head { display: flex; align-items: center; gap: 12px; }
.strength-item__no {
  font-family: var(--font-serif);
  font-size: 1.4rem; font-weight: 600; color: var(--color-accent);
  line-height: 1;
}
.strength-item__icon { color: var(--color-steel); }
.strength-item__icon .icon { width: 22px; height: 22px; }
.strength-item__title { font-size: 1.02rem; font-weight: 700; color: var(--color-navy); }
.strength-item__text { font-size: .86rem; color: var(--color-muted); line-height: 1.8; margin: 0; }
.strength-cta { text-align: center; margin-top: 44px; }

/* ---------- 加工事例（作品カタログ） ---------- */
.works-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
/* 全幅レイアウト用（トップの作品カタログ）: 4列 */
.works-grid--wide { grid-template-columns: repeat(4, 1fr); gap: 24px; }
.work-card { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--color-line); background:#fff; }
.work-card__media { aspect-ratio: 16 / 11; background: var(--color-bg-soft); overflow: hidden; }
.work-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s var(--ease); }
.work-card:hover .work-card__media img { transform: scale(1.05); }
.work-card__body { padding: 14px 16px 18px; }
.work-card__tag { font-size: .72rem; color: var(--color-accent); font-weight: 600; letter-spacing: .05em; }
.work-card__title { font-size: .92rem; color: var(--color-navy); font-weight: 600; margin-top: 4px; line-height: 1.6; }

/* ---------- 締めのCTA（控えめ・誠実） ---------- */
/* .closing の background / color / text-align は style.css で定義済み */
.closing__inner { padding: 72px 0; }
.closing__title { font-size: clamp(1.4rem, 3vw, 1.9rem); margin-bottom: 18px; letter-spacing: .03em; }
.closing__text { color: #b8c3cd; max-width: 600px; margin: 0 auto 32px; line-height: 2; }
.closing__actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.closing__note { margin-top: 26px; font-size: .82rem; color: #8a99a6; }

/* PC表示ではスマホ用改行を隠す */
.sp-only { display: none; }

/* ---------- レスポンシブ ---------- */
@media (max-width: 1100px) {
  /* 6列が窄い幅では3列×2行に整理 */
  .strength-list { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
  .value-grid { grid-template-columns: 1fr; max-width: 460px; margin-inline: auto; }
  .works-grid--wide { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .hero { min-height: 520px; }
  .hero__inner { padding: 56px 0; }
  .hero-stats__grid { grid-template-columns: 1fr; }
  .hero-stats__item { border-right: none; border-bottom: 1px solid rgba(255,255,255,.08); padding: 22px; }
  .hero-stats__item:last-child { border-bottom: none; }
}
@media (max-width: 600px) {
  .strength-list { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .works-grid { grid-template-columns: 1fr; }
  .works-grid--wide { grid-template-columns: 1fr; max-width: 420px; margin-inline: auto; }
  .sp-only { display: inline; }
}