/* =========================================================
   施工事例 詳細ページ (single-case_study.php)
   case-detail.css（完全版：ジャーナル調 / 写真主役 / 表形式の建築情報）
========================================================= */

/* ---------------------------
   ページ全体のオフセット
--------------------------- */
.case-detail {
  margin-top: 120px;
  background: #fff;
}

@media (max-width: 768px) {
  .case-detail {
    margin-top: 100px;
  }
}

/* ---------------------------
   HEROブロック（写真主役）
--------------------------- */
.case-detail__hero {
  position: relative;
  background: linear-gradient(180deg, #f6f8ff 0%, #ffffff 85%);
  padding: 56px 0 96px;
  overflow: hidden;
}

@media (max-width: 768px) {
  .case-detail__hero {
    padding: 36px 0 72px;
  }
}

/* HERO内レイアウト：PCは2カラム、SPは縦 */
.case-detail__hero-inner,
.case-detail__hero .container {
  display: grid;
  grid-template-columns: minmax(260px, 420px) 1fr;
  gap: 36px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

@media (max-width: 900px) {

  .case-detail__hero-inner,
  .case-detail__hero .container {
    grid-template-columns: 1fr;
    gap: 24px;
    align-items: start;
  }
}

/* ---------------------------
   アイキャッチ画像
--------------------------- */
.case-detail__eyecatch {
  border-radius: 18px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 22px 50px rgba(12, 18, 60, 0.18);
  position: relative;
}

.case-detail__eyecatch img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 16 / 10;
  /* 4/3より“作品感”が出やすい */
}

@media (max-width: 900px) {
  .case-detail__eyecatch img {
    aspect-ratio: 4 / 3;
    /* SPでは安定 */
  }
}

/* 写真に薄いグラデ（主役感＆馴染み） */
.case-detail__eyecatch::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
      rgba(10, 14, 40, 0.00) 55%,
      rgba(10, 14, 40, 0.28) 100%);
  pointer-events: none;
}

/* ---------------------------
   右側：概要テキスト
--------------------------- */
.case-detail__head,
.case-detail__summary {
  display: flex;
  flex-direction: column;
  gap: 18px;
  color: #222;
}

/* 種別・エリア */
.case-detail__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: .85rem;
  line-height: 1.4;
}

.case-detail__meta .label {
  background: #0B0A60;
  color: #fff;
  border-radius: 999px;
  padding: 7px 12px;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .06em;
  line-height: 1.4;
}

.case-detail__meta .area {
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(11, 10, 96, 0.12);
  color: #0b0a60;
  border-radius: 999px;
  padding: 7px 12px;
  font-size: .8rem;
  line-height: 1.4;
}

/* タイトル */
.case-detail__title {
  font-size: 2.35rem;
  font-weight: 800;
  color: #1a1a1a;
  line-height: 1.28;
  letter-spacing: .02em;
}

@media (max-width: 768px) {
  .case-detail__title {
    font-size: 1.7rem;
  }
}

/* リード文（抜粋） */
.case-detail__lead {
  font-size: 1rem;
  line-height: 1.9;
  color: #2a2a2a;
  max-width: 48ch;
}

/* ---------------------------
   建築情報（概要カード1枚 + 表形式）
--------------------------- */
.case-detail__info {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 18px;
  padding: 18px 18px 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(11, 10, 96, 0.10);
  box-shadow: 0 18px 40px rgba(12, 18, 60, 0.08);
  backdrop-filter: blur(8px);
}

@media (max-width: 520px) {
  .case-detail__info {
    grid-template-columns: 1fr;
  }
}

/* 1行：左ラベル / 右値（小カード化はしない） */
.case-detail__info-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  align-items: baseline;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(11, 10, 96, 0.08);
  min-width: 0;

  /* 小カード化の打ち消し（完全版なので明示しておく） */
  background: transparent;
  border-left: none;
  border-right: none;
  border-top: none;
  border-radius: 0;
}

.case-detail__info-row:last-child {
  border-bottom: none;
}

.case-detail__info-row dt {
  margin: 0;
  font-size: .8rem;
  font-weight: 800;
  color: rgba(11, 10, 96, 0.85);
  letter-spacing: .04em;
}

.case-detail__info-row dd {
  margin: 0;
  font-size: 1rem;
  font-weight: 800;
  color: #1b1b1b;
  line-height: 1.55;
  word-break: break-word;
}

/* ---------------------------
   本文ブロック（読み物UI）
--------------------------- */
.case-detail__body {
  background: #fff;
  padding: 84px 0 96px;
}

@media (max-width: 768px) {
  .case-detail__body {
    padding: 52px 0 72px;
  }
}

.case-detail__body-inner,
.case-detail__body .container {
  max-width: 860px;
  margin: 0 auto;
}

/* 記事本文エリア */
.case-detail__content {
  font-size: 1.02rem;
  line-height: 2.0;
  color: #1f1f1f;
}

/* WYSIWYG */
.case-detail__content p {
  margin: 0 0 1.2em;
}

.case-detail__content h2,
.case-detail__content h3,
.case-detail__content h4 {
  line-height: 1.4;
  font-weight: 800;
  margin: 2.2em 0 .8em;
  color: #0B0A60;
}

.case-detail__content h2 {
  font-size: 1.6rem;
  padding-left: 14px;
  border-left: 4px solid #0B0A60;
}

.case-detail__content h3 {
  font-size: 1.25rem;
  margin: 1.8em 0 .6em;
  padding-bottom: .35em;
  border-bottom: 1px solid rgba(11, 10, 96, 0.18);
}

.case-detail__content h4 {
  font-size: 1rem;
  color: #333;
}

.case-detail__content ul,
.case-detail__content ol {
  margin: 0 0 1.6em 1.4em;
  line-height: 1.8;
  color: #444;
  font-size: .98rem;
}

.case-detail__content img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.09);
  margin: 2.2rem auto;
}

/* 引用 */
.case-detail__content blockquote {
  background: #f7f8fc;
  border-left: 4px solid #0B0A60;
  padding: 1.1rem 1.1rem 1.1rem 1.35rem;
  margin: 2.2rem 0;
  font-size: .98rem;
  line-height: 1.8;
  color: #444;
  border-radius: 10px;
}

/* ---------------------------
   回遊ナビ（カード化）
--------------------------- */
.case-detail__nav {
  background: #f7f8fc;
  padding: 56px 0;
  border-top: 1px solid #e2e4ef;
  border-bottom: 1px solid #e2e4ef;
}

.case-detail__nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  row-gap: 24px;
  column-gap: 16px;
  font-size: .9rem;
  line-height: 1.5;
  color: #333;
  padding: 0 16px;
}

.case-detail__nav-prev,
.case-detail__nav-next {
  flex: 1 1 30%;
  min-width: 220px;
  color: #0B0A60;
}

.case-detail__nav-list {
  flex: 0 1 auto;
  text-align: center;
}

/* ナビリンクをカードに */
.case-detail__nav-link {
  display: block;
  color: #0B0A60;
  text-decoration: none;
  font-weight: 800;
  line-height: 1.5;

  padding: 16px 16px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid rgba(11, 10, 96, 0.10);
  box-shadow: 0 14px 28px rgba(12, 18, 60, 0.08);
  transition: transform .18s ease;
}

.case-detail__nav-link span {
  display: block;
  font-weight: 600;
  color: #333;
  font-size: .85rem;
  line-height: 1.4;
  margin-top: .35em;
}

.case-detail__nav-link:hover {
  transform: translateY(-1px);
}

.case-detail__nav-archive {
  display: inline-block;
  border: 1px solid #0B0A60;
  border-radius: 999px;
  color: #0B0A60;
  text-decoration: none;
  font-weight: 800;
  padding: 10px 18px;
  font-size: .85rem;
  line-height: 1.4;
  white-space: nowrap;
  transition: all .3s ease;
  background: #fff;
}

.case-detail__nav-archive:hover {
  background: #0B0A60;
  color: #fff;
}

/* ---------------------------
   CTA ブロック
--------------------------- */
.case-detail__cta {
  background: #0B0A60;
  color: #fff;
  text-align: center;
  padding: 84px 20px;
}

@media (max-width: 768px) {
  .case-detail__cta {
    padding: 64px 20px;
  }
}

.case-detail__cta .container,
.case-detail__cta .cta-box {
  max-width: 900px;
  margin: 0 auto;
}

.case-detail__cta .cta-box h2 {
  font-size: 1.45rem;
  font-weight: 900;
  margin-bottom: 16px;
  line-height: 1.5;
  color: #fff;
  letter-spacing: .03em;
}

.case-detail__cta .cta-box p {
  font-size: .98rem;
  line-height: 1.8;
  margin-bottom: 24px;
  color: #fff;
}

/* CTAボタン */
.case-detail__cta .btn.btn-main {
  display: inline-block;
  background: #fff;
  color: #0B0A60;
  border-radius: 999px;
  font-weight: 900;
  padding: 12px 22px;
  font-size: .92rem;
  line-height: 1.4;
  text-decoration: none;
  border: 1px solid #fff;
  transition: all .25s ease;
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.18);
}

.case-detail__cta .btn.btn-main:hover {
  background: #eaeaea;
  color: #0B0A60;
}

/* ===== 仕上げ：建築情報カードの間延び解消＆整列改善 ===== */

/* カードが横に広がりすぎないよう制限して“締める” */
.case-detail__info {
  max-width: 820px;
  /* 好みで 760〜860 あたり */
  width: 100%;
}

/* dtの幅が広すぎるので少し詰める（値が中央寄りになるのを防ぐ） */
.case-detail__info-row {
  grid-template-columns: 88px 1fr;
  /* 110px → 88px */
}

/* ラベルと値の視認性を少し上げる（差を明確に） */
.case-detail__info-row dt {
  font-weight: 800;
  opacity: .95;
}

.case-detail__info-row dd {
  font-weight: 800;
}

/* HEROの余白を少し詰めて、本文への距離を短くする */
.case-detail__hero {
  padding-bottom: 72px;
  /* 96px → 72px */
}

@media (max-width: 768px) {
  .case-detail__hero {
    padding-bottom: 56px;
    /* 72px → 56px */
  }
}

/* =========================================================
  画像メイン：視認性の良い整理レイアウト（CSSのみ）
========================================================= */

/* HERO：写真を主役にするため、左カラムを太く */
.case-detail__hero-inner,
.case-detail__hero .container {
  grid-template-columns: minmax(520px, 680px) 1fr;
  align-items: start;
}

@media (max-width: 900px) {

  .case-detail__hero-inner,
  .case-detail__hero .container {
    grid-template-columns: 1fr;
  }
}

/* 写真：より大きく、縦横比を“作品”寄りに */
.case-detail__eyecatch {
  border-radius: 22px;
  box-shadow: 0 26px 60px rgba(12, 18, 60, 0.22);
}

.case-detail__eyecatch img {
  aspect-ratio: 3 / 2;
  /* 作品集っぽい見え方 */
}

@media (max-width: 900px) {
  .case-detail__eyecatch img {
    aspect-ratio: 4 / 3;
  }
}

/* 右側：タイトル周りをコンパクトに（写真が主役） */
.case-detail__summary {
  gap: 14px;
  padding-top: 6px;
}

.case-detail__title {
  font-size: 2.1rem;
}

@media (max-width: 768px) {
  .case-detail__title {
    font-size: 1.65rem;
  }
}

/* 建築情報カード：右側に置かず、幅を絞って“整理された一覧”に */
.case-detail__info {
  max-width: 460px;
  /* 右側でスッキリ見せる */
  width: 100%;
  padding: 14px 16px;
  gap: 8px 14px;
  grid-template-columns: 1fr;
  /* 縦並びで見やすく */
  border-radius: 18px;
}

/* 1行：ラベル幅を短くして、値が読みやすい位置に */
.case-detail__info-row {
  grid-template-columns: 86px 1fr;
  padding: 9px 0;
}

.case-detail__info-row dt {
  font-size: .78rem;
  opacity: .9;
}

.case-detail__info-row dd {
  font-size: 1rem;
}

/* HEROの余白：本文までの距離を詰めてテンポ良く */
.case-detail__hero {
  padding: 44px 0 60px;
}

@media (max-width: 768px) {
  .case-detail__hero {
    padding: 34px 0 44px;
  }
}

/* 本文：幅を少し広げ、読みやすく */
.case-detail__body-inner,
.case-detail__body .container {
  max-width: 920px;
}

.case-detail__body {
  padding: 56px 0 84px;
}

@media (max-width: 768px) {
  .case-detail__body {
    padding: 40px 0 64px;
  }
}

/* =========================
  Single Case Split Layout
========================= */
.case-detail__hero-inner--split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.case-detail__main-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 16px;
}

.case-thumbs {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.case-thumbs__btn {
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.case-thumbs__img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
}

.case-detail__intro {
  margin-top: 16px;
  line-height: 1.9;
}

.case-detail__info--after-body {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid rgba(0, 0, 0, .08);
}

@media (max-width: 1024px) {
  .case-thumbs {
    grid-template-columns: repeat(5, 1fr);
  }
}

@media (max-width: 768px) {
  .case-detail__hero-inner--split {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .case-thumbs {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* =========================
  Lightbox
========================= */
.case-lb {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .78);
  display: none;
  z-index: 9999;
}

.case-lb.is-open {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
}

.case-lb__inner {
  width: min(980px, 100%);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.case-lb__img {
  width: 100%;
  height: auto;
  max-height: 78vh;
  object-fit: contain;
  background: rgba(255, 255, 255, .04);
  border-radius: 14px;
}

.case-lb__caption {
  color: #fff;
  font-size: 14px;
  line-height: 1.6;
  opacity: .9;
}

.case-lb__close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .35);
  background: rgba(0, 0, 0, .2);
  color: #fff;
  cursor: pointer;
}

.case-lb__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 46px;
  height: 46px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .35);
  background: rgba(0, 0, 0, .2);
  color: #fff;
  cursor: pointer;
}

.case-lb__prev {
  left: 14px;
}

.case-lb__next {
  right: 14px;
}