@charset "UTF-8";
/* ============================================================
   Works / Topics <main> content styles
   ============================================================ */

.site-main {
  background-color: #fff;
}

.work-card {
  position: relative;
  border-radius: 8px;
  overflow: visible;
  display: block;
  text-decoration: none;
}
.work-card__image {
  position: relative;
  overflow: hidden;
  border-radius: 1rem;
  box-shadow: 0 4px 16px rgba(26, 30, 46, 0.08);
}
.work-card__image::before {
  content: "";
  display: block;
  padding-top: 66.66%;
}
.work-card__image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.work-card:hover .work-card__image img {
  transform: scale(1.08);
}
.work-card__overlay {
  display: none;
}
.work-card__meta {
  padding: 1rem 0.3rem 1.5rem;
  background: #FFFFFF;
}
.work-card__date {
  font-family: var(--en);
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: 0.05em;
  margin-bottom: 0.2em;
}
.work-card__cat {
  font-size: 0.75rem;
  color: var(--ink);
  letter-spacing: 0.05em;
  margin-left: 0.6em;
}
.work-card__cat::before {
  content: "/";
  margin-right: 0.6em;
  color: #C7CBD3;
}
.work-card__name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--ink);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.sec-works {
  padding-top: 6rem;
  padding-bottom: 6rem;
}
@media screen and (max-width: 991px) {
  .sec-works {
    padding-top: 5rem;
    padding-bottom: 3.5rem;
  }
}
.sec-works {
  background-color: #fff;
}
.sec-works__filter {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 4rem;
}
@media screen and (max-width: 991px) {
  .sec-works__filter {
    gap: 1vw;
    margin-bottom: 3rem;
  }
}
.sec-works__filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.45em 1.4em;
  font-family: var(--heading);
  font-weight: 500;
  font-size: clamp(0.65rem, 2vw, 0.78rem);
  letter-spacing: 0.1em;
  border-radius: 999px;
  border: 1.5px solid var(--ink);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s ease;
  white-space: nowrap;
  color: var(--ink);
  background: #FFFFFF;
}
.sec-works__filter-btn:hover, .sec-works__filter-btn.is-active {
  background-color: var(--ink);
  border-color: var(--ink);
  color: #FFFFFF;
}
.sec-works__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}
@media screen and (max-width: 991px) {
  .sec-works__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
}
@media screen and (max-width: 767px) {
  .sec-works__grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }
}
.sec-works .work-card {
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.sec-works .work-card.is-hidden {
  display: none;
}
.sec-works__more {
  text-align: center;
  margin-top: 4rem;
  font-family: var(--en);
  font-weight: 400;
}
.sec-works__more .btn {
  font-family: var(--en);
  font-weight: 400;
}

/* ======================================================
   Topics page — カテゴリバッジ & 抜粋テキスト
   work-card の構造に乗せて追加するスタイル
====================================================== */
.work-card__image {
  position: relative;
}

.topics-badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  display: inline-block;
  padding: 0.25em 0.8em;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  border-radius: 999px;
  color: #FFFFFF;
  background-color: var(--accent);
  line-height: 1.4;
  z-index: 2;
}

/* ======================================================
   Topics — ページネーション
====================================================== */
.topics-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 4rem;
  font-family: var(--en);
  font-weight: 400;
}

.topics-pagination__num,
.topics-pagination__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: 1.5px solid var(--ink);
  font-family: var(--en);
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--ink);
  text-decoration: none;
  transition: all 0.25s ease;
  background: #FFFFFF;
}

.topics-pagination__num:hover,
.topics-pagination__btn:hover {
  background-color: var(--ink);
  border-color: var(--ink);
  color: #FFFFFF;
}

.topics-pagination__num.is-current {
  background: var(--ink);
  border-color: var(--ink);
  color: #FFFFFF;
  pointer-events: none;
}

.topics-pagination__btn svg {
  width: 1rem;
  height: 1rem;
}

.topics-pagination__btn.is-disabled {
  opacity: 0.35;
  pointer-events: none;
}

/* ======================================================
   Topics — サイドバーセクション（月別・タグ）
====================================================== */
.topics-sidebar-section {
  padding-top: 0;
  padding-bottom: 5rem;
  background-color: #fff;
}

.topics-sidebar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
  padding-top: 3rem;
}

.topics-widget {
  min-width: 0;
}

.topics-widget__title {
  font-family: var(--en);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  color: var(--ink);
  text-transform: uppercase;
  margin-bottom: 1.2rem;
  padding-bottom: 0.6rem;
  border-bottom: 2px solid var(--accent);
  display: inline-block;
}

/* カテゴリ（リンクリスト） */
.topics-archive {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.topics-archive li a {
  display: flex;
  align-items: center;
  font-size: 0.875rem;
  color: var(--ink);
  text-decoration: none;
  padding: 0.3em 0;
  transition: color 0.2s ease;
}

.topics-archive li a:hover {
  color: var(--accent);
}

.topics-archive .children {
  list-style: none;
  margin: 0.15rem 0 0.35rem;
  padding: 0 0 0 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  border-left: 1px solid #D8DEE8;
}

.topics-archive .children a {
  font-size: 0.82rem;
  padding: 0.2em 0 0.2em 0.15em;
}

.topics-archive .current-cat > a {
  color: var(--accent);
}

/* 月別アーカイブ（セレクト） */
.topics-archive-select {
  width: 100%;
  padding: 0.55em 0.8em;
  font-size: 0.875rem;
  font-family: var(--heading);
  color: var(--ink);
  background: #fff;
  border: 1px solid #D8DEE8;
  border-radius: 4px;
  cursor: pointer;
}

/* タグ一覧 */
.topics-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}

.topics-tag {
  display: inline-block;
  padding: 0.2em 0.7em;
  font-size: 0.68rem;
  border-radius: 999px;
  border: 1px solid var(--ink);
  color: var(--ink);
  text-decoration: none;
  transition: all 0.2s ease;
  background: #FFFFFF;
}

.topics-tag:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: #FFFFFF;
}

@media screen and (max-width: 767px) {
  .topics-sidebar {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* ======================================================
   Single Article Page
====================================================== */

/* 外側ラッパー（ヘッダー分のpaddingと背景） */
.single-outer {
  background: #fff;
  padding-top: 5rem;
  padding-bottom: 5rem;
  overflow-x: hidden;
}

.single-wrap {
  width: 84%;
  max-width: 1000px;
  margin: 0 auto;
}

@media screen and (max-width: 991px) {
  .single-wrap {
    width: 92%;
    max-width: 100%;
    box-sizing: border-box;
  }
  .single-wrap * {
    box-sizing: border-box;
    max-width: 100%;
  }
}

/* ---- 記事ヘッダー ---- */
.single-article__header {
  margin-bottom: 2.5rem;
}

.single-article__meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.single-article__meta .topics-badge {
  position: static;
}

.single-article__date {
  font-family: var(--en);
  font-size: 0.78rem;
  font-weight: 400;
  color: #5A6375;
  letter-spacing: 0.05em;
}

.single-article__title {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  color: #1A1E2E;
  line-height: 1.5;
  margin-bottom: 1.8rem;
}

.single-article__eye {
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 3 / 2;
  width: 100%;
  max-width: 100%;
}

.single-article__eye img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ---- 本文タイポグラフィ ---- */
.single-article__body {
  background: #FFFFFF;
  border-radius: 8px;
  padding: 2.5rem 0;
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--ink);
}

.single-article__body p {
  margin-bottom: 1.4em;
}

.single-article__body figure {
  margin: 2em 0;
}

/* h2 — 左ボーダーアクセント */
.single-article__body h2 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #1A1E2E;
  margin-top: 2.8em;
  margin-bottom: 0.8em;
  padding: 0.4em 0 0.4em 0.9em;
  border-left: 4px solid var(--color-primary);
  line-height: 1.5;
}

/* h3 — 下線アクセント */
.single-article__body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #1A1E2E;
  margin-top: 2.2em;
  margin-bottom: 0.7em;
  padding-bottom: 0.4em;
  border-bottom: 1.5px solid #D8DEE8;
  line-height: 1.5;
}

/* h4 — プライマリカラーのドット付き */
.single-article__body h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #1A1E2E;
  margin-top: 1.8em;
  margin-bottom: 0.5em;
  line-height: 1.5;
}

/* h5, h6 — シンプルな太字 */
.single-article__body h5,
.single-article__body h6 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #3A4254;
  margin-top: 1.6em;
  margin-bottom: 0.4em;
  line-height: 1.5;
}

/* ul — カスタムリスト */
.single-article__body ul {
  padding-left: 0;
  margin-bottom: 1.4em;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5em;
}
.single-article__body ul li {
  padding-left: 1.4em;
  position: relative;
  font-size: 0.95rem;
  line-height: 1.75;
}
.single-article__body ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}

/* ol — 番号付きリスト */
.single-article__body ol {
  padding-left: 0;
  margin-bottom: 1.4em;
  list-style: none;
  counter-reset: ol-counter;
  display: flex;
  flex-direction: column;
  gap: 0.5em;
}
.single-article__body ol li {
  padding-left: 2em;
  position: relative;
  font-size: 0.95rem;
  line-height: 1.75;
  counter-increment: ol-counter;
}
.single-article__body ol li::before {
  content: counter(ol-counter);
  position: absolute;
  left: 0;
  top: 0.1em;
  width: 1.4em;
  height: 1.4em;
  border-radius: 50%;
  background: var(--color-primary);
  color: #FFFFFF;
  font-size: 0.7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

@media screen and (max-width: 991px) {
  .single-article__body {
    padding-left: 0;
    padding-right: 0;
  }
}

@media screen and (max-width: 767px) {
  .single-article__body {
    padding-top: 1.5rem;
    padding-bottom: 1.5rem;
    padding-left: 0;
    padding-right: 0;
  }
}

/* ---- CTAボックス（本文内） ---- */
.single-cta-box {
  background: #F0F4FB;
  border-left: 4px solid var(--color-primary);
  border-radius: 0 8px 8px 0;
  padding: 1.5rem 1.8rem;
  margin-top: 2.5rem;
}

.single-cta-box p {
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

/* ---- 著者ボックス ---- */
.single-author {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  background: #FFFFFF;
  border-radius: 8px;
  padding: 1.8rem 2rem;
  margin-top: 2rem;
  border-top: 3px solid var(--color-primary);
}

.single-author__avatar {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  overflow: hidden;
}

.single-author__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.single-author__name {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: #1A1E2E;
  margin-bottom: 0.2em;
}

.single-author__role {
  display: block;
  font-size: 0.75rem;
  color: #5A6375;
  margin-bottom: 0.6em;
}

.single-author__bio {
  font-size: 0.82rem;
  color: #5A6375;
  line-height: 1.7;
  margin: 0;
}

@media screen and (max-width: 767px) {
  .single-author {
    flex-direction: column;
    gap: 1rem;
    padding: 1.5rem;
  }
}

/* ---- 前後ナビ ---- */
.single-post-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 2rem;
}

.single-post-nav__prev,
.single-post-nav__next {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.3em;
  padding: 1rem 1.2rem;
  background: #FFFFFF;
  border-radius: 8px;
  text-decoration: none;
  /* border: 1.5px solid #D8DEE8; */
  transition: border-color 0.2s ease;
}

.single-post-nav__prev::after,
.single-post-nav__next::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
}

.single-post-nav__prev:hover::after,
.single-post-nav__next:hover::after {
  width: 100%;
}

.single-post-nav__next {
  text-align: right;
}

.single-post-nav__label {
  font-family: var(--en);
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: 0.08em;
}

.single-post-nav__title {
  font-size: 0.82rem;
  color: var(--ink);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

@media screen and (max-width: 767px) {
  .single-post-nav__title {
    font-size: 0.72rem;
  }
}

/* ---- 関連記事セクション ---- */
.single-related {
  background: #fff;
  padding-top: 5rem;
  padding-bottom: 5rem;
}

.single-related__head {
  text-align: center;
  margin-bottom: 3rem;
}

.single-related__head .en {
  display: block;
  font-family: var(--en);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 100;
  letter-spacing: 0.06em;
  color: var(--ink);
  line-height: 1.1;
}

.single-related__head .ja {
  display: block;
  font-size: 0.875rem;
  letter-spacing: 0.2em;
  color: var(--ink);
  margin-top: 0.4em;
}

/* ======================================================
   Topics カテゴリーページ — カテゴリータイトル
====================================================== */
.sec-works__cat-title {
  text-align: center;
  margin-bottom: 2.5rem;
}

.sec-works__cat-title h2 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.04em;
}