/* =========================================
   detail.css - 事例詳細ページ用スタイル
   ※ 共通スタイル（header / footer / tag / cta 等）は style.css を使用
   ========================================= */

/* 詳細ページはコンテンツ幅をやや狭く */
.detail-container { max-width: 960px; }

/* ===== Page label ===== */
.detail-hero { padding: 72px 0 40px; }

/* ===== Main visual ===== */
.main-visual { padding-bottom: 16px; }
.main-visual-frame {
  border-radius: 16px; overflow: hidden; background: var(--gray-100);
}
.main-visual-frame svg { display: block; width: 100%; height: auto; }
.site-link {
  display: inline-block; margin-top: 16px;
  font-family: var(--font-en); font-size: 13px; color: var(--gray-500);
  border-bottom: 1px solid var(--gray-300);
  transition: color .2s, border-color .2s;
}
.site-link:hover { color: var(--accent); border-color: var(--accent); }

/* ===== Text ===== */
.detail-text { padding: 40px 0 88px; }
.detail-text .card-tags { margin-bottom: 16px; }
.detail-title {
  font-size: clamp(24px, 3.5vw, 34px); font-weight: 700;
  line-height: 1.5; letter-spacing: 0.01em;
}
.detail-role {
  font-family: var(--font-en); font-size: 13px; font-weight: 500;
  color: var(--accent); letter-spacing: 0.04em; margin-top: 14px;
}
.detail-desc {
  font-size: 14.5px; color: var(--gray-700); line-height: 2;
  margin-top: 24px; max-width: 720px;
}

/* ===== Prev / Next ===== */
.detail-nav {
  border-top: 1px solid var(--gray-100);
}
.detail-nav-inner {
  display: grid; grid-template-columns: 1fr auto 1fr; gap: 24px;
  align-items: center; padding-top: 32px; padding-bottom: 88px;
}
.nav-item { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.nav-item.next { text-align: right; }
.nav-dir {
  font-family: var(--font-en); font-size: 12px; font-weight: 600;
  color: var(--gray-500); letter-spacing: 0.04em;
  transition: color .2s;
}
.nav-title {
  font-size: 13px; font-weight: 500; color: var(--gray-700);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  transition: color .2s;
}
.nav-item:hover .nav-dir,
.nav-item:hover .nav-title { color: var(--accent); }
.nav-back {
  font-size: 13px; font-weight: 500; color: var(--black);
  border: 1px solid var(--gray-300); border-radius: 999px;
  padding: 10px 28px; transition: all .2s; white-space: nowrap;
}
.nav-back:hover { background: var(--black); border-color: var(--black); color: #fff; }

/* ===== Responsive ===== */
@media (max-width: 600px) {
  .detail-hero { padding: 48px 0 28px; }
  .detail-text { padding: 32px 0 64px; }
  .detail-nav-inner {
    grid-template-columns: 1fr 1fr;
    grid-template-areas: "prev next" "back back";
    padding-bottom: 64px;
  }
  .nav-item.prev { grid-area: prev; }
  .nav-item.next { grid-area: next; }
  .nav-back { grid-area: back; text-align: center; }
}