@charset "UTF-8";


/* =========================================================
   1. コラム共通
   ========================================================= */
.column-page {
  --color-navy:        #102a5e;
  --color-navy-dark:   #0a1f48;
  --color-navy-light:  #1d3a78;
  --color-cream:       #ebe4d0;
  --color-cream-light: #f5f0e3;
  --color-cream-dark:  #d8cdb0;
  --color-gold:        #b89968;
  --color-gold-dark:   #997b4d;
  --color-green:       #4a8a4a;
  --color-bg:          #ffffff;
  --color-bg-soft:     #f7f5f0;
  --color-text:        #1c1c1c;
  --color-text-muted:  #5a5a5a;
  --color-border:      #d9d6cf;
  --color-tag:         #4a8a4a;
  --color-accent:      #d4b876;
  --color-accent-light:#e8d89a;

  --font-en: "Cormorant Garamond", "Times New Roman", serif;
  --font-serif: "Noto Serif JP", serif;

  --container-max: 1200px;
  --content-pad-pc: 32px;
  --content-pad-sp: 16px;

  --radius-sm: 4px;
  --radius-md: 8px;

  --shadow-sm: 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,.06);

  --transition: 0.2s ease;
}

/* Reset (column-pageスコープ内のみ・グローバル汚染なし) */
.column-page,
.column-page *,
.column-page *::before,
.column-page *::after {
  box-sizing: border-box;
}
.column-page b{
border-bottom: 1px solid;
font-weight: bold;
}
.column-page p{
margin-bottom: 2rem;
}
.column-page img {
  max-width: 100%;
  height: auto;
  display: block;
}
.column-page button {
  font-family: inherit;
  cursor: pointer;
}
.column-page .alumni ul,
.column-page .alumni ol {
  padding: 0;
  margin: 0;
}
.column-page .alumni li {
  list-style: none;
}

/* 「もどる」ボタン非表示 */
.column-page .alumni__btn-default.back {
  display: none;
}

/* sec0 / promo-section の余白リセット */
.column-page #sec0,
.column-page .promo-section {
  margin-top: 0;
}


/* =========================================================
   2. [隔離] サイト共通スタイル上書き候補
   ========================================================= */

/* ----- ここから [サイト共通スタイル上書き] -----

.column-page .site-header {
  position: sticky; top: 0; z-index: 50;
  background: #fff;
  border-bottom: 1px solid var(--color-border);
}
.column-page .site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px;
  max-width: 1280px; margin: 0 auto;
}
.column-page .site-header__logo {
  display: flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 700; color: var(--color-navy);
  letter-spacing: 0.05em;
}
.column-page .site-header__logo-mark {
  width: 28px; height: 28px;
  background: var(--color-navy);
  color: #fff;
  display: grid; place-items: center;
  border-radius: 50%;
  font-family: var(--font-en); font-style: italic; font-size: 14px;
}
.column-page .site-header__menu-btn {
  background: transparent; border: 0;
  font-size: 13px; font-weight: 700; letter-spacing: 0.1em;
  color: var(--color-text);
  display: flex; align-items: center; gap: 6px;
  padding: 8px 4px;
}
.column-page .site-header__menu-btn::after {
  content: ""; display: block; width: 18px; height: 12px;
  background:
    linear-gradient(currentColor 0 0) top/100% 2px no-repeat,
    linear-gradient(currentColor 0 0) center/100% 2px no-repeat,
    linear-gradient(currentColor 0 0) bottom/100% 2px no-repeat;
}
@media (min-width: 768px) {
  .column-page .site-header__inner { padding: 16px 32px; }
  .column-page .site-header__logo { font-size: 14px; }
  .column-page .site-header__logo-mark { width: 36px; height: 36px; font-size: 18px; }
}

.column-page .breadcrumb {
  max-width: var(--container-max); margin: 0 auto;
  padding: 12px var(--content-pad-sp);
  font-size: 11px; color: var(--color-text-muted);
  overflow-x: auto; white-space: nowrap;
  -ms-overflow-style: none; scrollbar-width: none;
}
.column-page .breadcrumb::-webkit-scrollbar { display: none; }
.column-page .breadcrumb__list { display: inline-flex; align-items: center; gap: 6px; }
.column-page .breadcrumb__list li::after {
  content: "›"; margin-left: 6px; color: var(--color-text-muted);
}
.column-page .breadcrumb__list li:last-child::after { content: ""; }
@media (min-width: 768px) {
  .column-page .breadcrumb { padding: 16px var(--content-pad-pc); font-size: 12px; }
}

.column-page .site-footer {
  background: #fff;
  border-top: 1px solid var(--color-border);
  padding: 24px 16px 16px;
}
.column-page .site-footer__util {
  display: flex; flex-wrap: wrap; gap: 16px;
  justify-content: center;
  font-size: 11px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 16px;
}
.column-page .site-footer__util li::after {
  content: " ›"; margin-left: 4px; color: var(--color-text-muted);
}
.column-page .site-footer__main {
  max-width: 1280px; margin: 0 auto;
  display: grid; gap: 16px;
}
.column-page .site-footer__logo {
  display: flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 700; color: var(--color-navy);
}
.column-page .site-footer__logo-mark {
  width: 28px; height: 28px;
  background: var(--color-navy); color: #fff;
  display: grid; place-items: center;
  border-radius: 50%;
  font-family: var(--font-en); font-style: italic; font-size: 14px;
}
.column-page .site-footer__links {
  display: flex; flex-wrap: wrap; gap: 12px 16px;
  font-size: 11px;
}
.column-page .site-footer__sns { display: flex; gap: 12px; }
.column-page .site-footer__sns a {
  width: 28px; height: 28px;
  background: var(--color-text); color: #fff;
  display: grid; place-items: center;
  border-radius: 50%; font-size: 12px;
}
.column-page .site-footer__copy {
  text-align: center; font-size: 10px; color: var(--color-text-muted);
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  margin-top: 16px;
}
@media (min-width: 768px) {
  .column-page .site-footer { padding: 32px var(--content-pad-pc) 24px; }
  .column-page .site-footer__main { grid-template-columns: auto 1fr auto; align-items: center; }
  .column-page .site-footer__util { gap: 24px; font-size: 12px; }
  .column-page .site-footer__links { font-size: 12px; }
}

----- ここまで [サイト共通スタイル上書き] ----- */


/* =========================================================
   3. 一覧ページ用 (column-list / column-category-archive)
   ========================================================= */

/* --- Page Hero --- */
.column-page .page-hero {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--content-pad-sp);
}
.column-page .page-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  align-items: center;
}
.column-page .page-hero__title-area {
  padding: 16px 0;
}
.column-page .page-hero__title-jp {
  font-size: 28px;
  font-weight: 700;
  margin: 0 0 4px;
  letter-spacing: 0.04em;
  color: var(--color-text);
}
.column-page .page-hero__title-en {
  font-family: var(--font-en);
  font-style: italic;
  font-size: 16px;
  color: var(--color-navy);
  letter-spacing: 0.08em;
}
.column-page .page-hero__image {
  aspect-ratio: 16 / 7;
  background: var(--color-cream);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.column-page .page-hero__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
@media (min-width: 768px) {
  .column-page .page-hero {
    padding: 0 var(--content-pad-pc);
  }
  .column-page .page-hero__inner {
    grid-template-columns: 1fr 1.4fr;
    gap: 32px;
  }
  .column-page .page-hero__title-jp {
    font-size: 36px;
  }
  .column-page .page-hero__title-en {
    font-size: 18px;
  }
  .column-page .page-hero__image {
    aspect-ratio: 16 / 8;
  }
}

/* --- Lead --- */
.column-page .page-lead {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 24px var(--content-pad-sp);
  font-size: 14px;
  line-height: 1.9;
}
@media (min-width: 768px) {
  .column-page .page-lead {
    padding: 32px var(--content-pad-pc);
    font-size: 15px;
  }
}

/* --- Category Filter --- */
.column-page .category-filter {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--content-pad-sp) 24px;
}
.column-page .category-filter__list {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  overflow-x: auto;
  -ms-overflow-style: none;
  scrollbar-width: none;
  padding-bottom: 4px;
}
.column-page .category-filter__list::-webkit-scrollbar {
  display: none;
}
.column-page .category-filter__item {
  flex-shrink: 0;
  display: inline-block;
  padding: 8px 16px;
  font-size: 12px;
  font-weight: 500;
  background: var(--color-cream-light);
  color: var(--color-text);
  border: 1px solid var(--color-cream-dark);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  text-decoration: none;
  transition: var(--transition);
}
.column-page .category-filter__item.is-active {
  background: var(--color-green);
  color: #fff;
  border-color: var(--color-green);
}
.column-page .category-filter__item:hover {
  opacity: 1;
  background: var(--color-cream);
}
.column-page .category-filter__item.is-active:hover {
  background: var(--color-green);
  opacity: 0.85;
}
@media (min-width: 768px) {
  .column-page .category-filter {
    padding: 0 var(--content-pad-pc) 32px;
  }
  .column-page .category-filter__item {
    font-size: 13px;
    padding: 10px 20px;
  }
}

/* --- Archive Container --- */
.column-page .alumni__archive {
  background: var(--color-bg);
  padding: 15px 0 48px;
}
.column-page .alumni__archive .inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--content-pad-sp);
}
@media (min-width: 768px) {
  .column-page .alumni__archive .inner {
    padding: 0 var(--content-pad-pc);
  }
}

/* --- Cards Grid --- */
.column-page .alumni__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
@media (min-width: 600px) {
  .column-page .alumni__cards {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}
@media (min-width: 900px) {
  .column-page .alumni__cards {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
}
.column-page .alumni__cards-item {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: var(--transition);
}
.column-page .alumni__cards-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.column-page .alumni__cards-link {
  display: block;
  color: var(--color-text);
  position: relative;
  padding-bottom: 24px;
  text-decoration: none;
  transition: var(--transition);
}
.column-page .alumni__cards-link:hover {
  opacity: 1;
}
.column-page .alumni__cards-link::after {
  content: "›";
  position: absolute;
  right: 12px;
  bottom: 8px;
  font-size: 16px;
  color: var(--color-text-muted);
}
.column-page .alumni__cards-img {
  aspect-ratio: 16 / 11;
  background: var(--color-cream);
  display: grid;
  place-items: center;
  color: var(--color-text-muted);
  font-size: 24px;
  overflow: hidden;
}
.column-page .alumni__cards-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.column-page .alumni__cards-img:empty::before {
  content: "";
  font-size: 28px;
  opacity: 0.5;
}
.column-page .alumni__cards-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px 0;
}
.column-page .alumni__cards-tag {
  display: inline-block;
  background: var(--color-green);
  color: #fff;
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 2px;
  letter-spacing: 0.02em;
}
.column-page .alumni__cards-date {
  font-size: 12px;
  color: var(--color-text-muted);
}
.column-page .alumni__cards-copy {
  font-size: 13px;
  font-weight: 500;
  line-height: 1.65;
  margin: 8px 0 0;
  padding: 0 16px;
  color: var(--color-text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
/* MTテンプレートでカテゴリーを出力する想定（meta内のtagと重複するため非表示） */
.column-page .alumni__cards-txt1 {
  display: none;
}
@media (min-width: 768px) {
  .column-page .alumni__cards-copy {
    font-size: 14px;
  }
}

/* 該当記事なしメッセージ */
.column-page .alumni__cards-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px 16px;
  color: var(--color-text-muted);
  font-size: 14px;
  background: var(--color-bg-soft);
  border-radius: var(--radius-sm);
}

/* --- Pagination --- */
.column-page .alumni__archive_pagination {
  margin-top: 40px;
  display: flex;
  justify-content: center;
}
.column-page .pagination {
  display: flex;
  align-items: center;
  gap: 6px;
}
.column-page .pagination .page-item,
.column-page .pagination li {
  display: inline-flex;
}
.column-page .pagination a,
.column-page .pagination span {
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--color-text);
  background: transparent;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: var(--transition);
}
.column-page .pagination a:hover {
  background: var(--color-cream-light);
  opacity: 1;
}
.column-page .pagination .is-current,
.column-page .pagination .current,
.column-page .pagination strong {
  background: var(--color-navy);
  color: #fff;
  font-weight: 700;
}
.column-page .pagination .pagination__arrow {
  color: var(--color-text-muted);
  font-size: 18px;
  padding: 0 8px;
}

/* Responsive Pager (PC/SP切替) */
.column-page .d-none {
  display: none !important;
}
@media (min-width: 768px) {
  .column-page .d-md-block {
    display: block !important;
  }
  .column-page .d-md-none {
    display: none !important;
  }
}

.column-page .alumni__archive_links {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}
.column-page .alumni__archive_links li {
  flex: 1;
}
.column-page .alumni__archive_links a {
  display: block;
  padding: 12px 16px;
  background: var(--color-cream-light);
  color: var(--color-text);
  text-align: center;
  font-size: 13px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-cream-dark);
  text-decoration: none;
}
.column-page .alumni__archive_links .-prev a::before {
  content: "‹ ";
}
.column-page .alumni__archive_links .-next a::after {
  content: " ›";
}


/* =========================================================
   4. 詳細ページ用 (column-detail)
   ========================================================= */
#article-body{
   max-width: 1080px;
   margin: 0 auto;
}
/* --- Article Meta (公開日・更新日) --- */
.column-page .meta-row {
  display: flex;
  gap: 14px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 14px;
  margin-top: 0 !important;
}
.column-page .date-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: #2b2b2b;
  margin: 0 !important;
}
.column-page .date-chip-label {
  background: #ebe7dd;
  padding: 3px 8px;
  border-radius: 1px;
  font-size: 10px;
  color: #6b6b6b;
}

/* --- Article Title --- */
.column-page .article-title {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: 0.02em;
  margin-bottom: 28px;
  margin-top: 0;
}

/* --- Intro Box (本文冒頭の枠) --- */
.column-page .intro-box {
  background: #f8f4e8;
  padding: 22px 26px;
  border-radius: 6px;
  font-size: 13.5px;
  line-height: 2;
  color: #2b2b2b;
  margin-bottom: 28px;
  margin-top: 14px;
}

/* --- Prospective Students (受験生向けCTA) --- */
.column-page .prospective {
  background: #e0ecf2;
  padding: 24px 28px;
  border-radius: 6px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  margin-bottom: 32px;
}
.column-page .prospective-label {
  font-family: var(--font-en);
  font-size: 11px;
  color: #1a3a5c;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
  font-weight: 500;
}
.column-page .prospective-title {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
  color: #0a2138;
  margin-bottom: 10px;
  line-height: 1.5;
}
.column-page .prospective-text {
  font-size: 12px;
  color: #2b2b2b;
  line-height: 1.7;
}
.column-page .prospective-cta {
  background: #1a3a5c;
  color: white;
  padding: 16px 18px;
  text-align: center;
  font-size: 16px;
  font-weight: 700;
  border-radius: 3px;
  cursor: pointer;
  line-height: 1.4;
  min-width: 200px;
  transition: background 0.2s;
}
.column-page .prospective-cta small {
  display: block;
  font-size: 10px;
  font-weight: 400;
  margin-top: 6px;
  opacity: 0.9;
}

/* --- 中央寄せ系コンテナ (詳細ページ全体の幅制御) --- */
.column-page .prospective,
.column-page .author-box,
.column-page .toc,
.column-page .intro-box {
  width: 60%;
  margin-right: auto;
  margin-left: auto;
}
.column-page .sec_head {
  max-width: 920px;
  margin-right: auto;
  margin-left: auto;
}
.column-page .column__detail_mv {
  text-align: center;
}

/* --- TOC (目次) --- */
.column-page .toc {
  border: 1px solid #ddd;
  background: #fbfaf6;
  padding: 24px 32px;
  margin-bottom: 40px;
  border-radius: 4px;
}
.column-page .toc-title {
  font-weight: 700;
  font-size: 16px;
  color: #0a2138;
  text-align: center;
  margin-bottom: 16px;
  position: relative;
  letter-spacing: 0.1em;
}
.column-page .toc-title::before,
.column-page .toc-title::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 40px;
  height: 1px;
  background: #ccc;
}
.column-page .toc-title::before {
  left: 30%;
}
.column-page .toc-title::after {
  right: 30%;
}
.column-page .toc ol {
  padding-left: 24px;
  max-width: 500px;
  margin: 0 auto;
}
.column-page .toc li {
  margin-bottom: 10px;
  line-height: 1.6;
}
.column-page ol:not([class]) > li::before{
  color: #1a3a5c;
  background: none;
  font-size: 0.85em;
}

/* --- Headings (h2 / h3) ※詳細ページ本文内の見出し --- */
.column-page .alumni h2 {
  font-size: 20px;
  font-weight: 700;
  color: #0a2138;
  padding: 0 0 12px;
  margin: 44px 0 22px;
  border-bottom: 3px solid #1a3a5c;
  letter-spacing: 0.03em;
  position: relative;
}
.column-page .alumni h2::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 60px;
  height: 3px;
  background: var(--color-accent);
}
.column-page .alumni h3 {
  font-size: 16px;
  font-weight: 700;
  color: #0a2138;
  padding-left: 14px;
  margin: 28px 0 16px;
  border-left: 4px solid #1a3a5c;
  line-height: 1.5;
}

/* --- Author Box (著者ボックス) --- */
.column-page .author-box {
  margin: 36px auto 24px;
  padding: 18px 22px;
  background: #f5f3ed;
  display: flex;
  gap: 16px;
  align-items: center;
  border-left: 4px solid var(--color-accent);
  border-radius: 2px;
}
.column-page .author-avatar {
  width: 100px;
  padding: 0 15.4px 0 0;
  flex-shrink: 0;
  border-right: 1px solid;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #a8a294;
  font-size: 22px;
}
.column-page .author-avatar img{
height: 80px;
}
.column-page .author-name {
  font-weight: 700;
  color: #0a2138;
  margin-bottom: 4px;
}
.column-page .author-desc {
  font-size: 13.5px;
}

/* --- Article Nav (前後記事ナビ) --- */
.column-page .article-nav-wrap {
  background: #0a2138;
  margin: 0 0 0;
  padding: 20px 0;
}
.column-page .article-container {
  max-width: 920px;
  margin: 0 auto;
  padding: 0 32px;
}
.column-page .article-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  color: white;
  font-size: 16px;
}
.column-page .article-nav a {
  color: white;
}
.column-page .article-nav .next {
  text-align: right;
}
.column-page .article-nav .nav-label {
  opacity: 0.7;
  margin-bottom: 6px;
}

/* --- 詳細ページ内のfigure (画像中央寄せ) --- */
.column-page .inner figure {
  text-align: center;
}
.column-page .inner figure img{
  margin: 0 auto;
}


/* =========================================================
   5. CTA共通 (Promo Section)
   ========================================================= */

.column-page .promo-section {
  padding: 40px 0 48px;
}
.column-page .wide-container {
  max-width: 920px;
  margin: 0 auto;
  padding: 0 32px;
}
.column-page .promo-title {
  font-family: var(--font-serif);
  text-align: center;
  font-size: 22px;
  font-weight: 700;
  color: #0a2138;
  margin-bottom: 28px;
  letter-spacing: 0.05em;
}
.column-page .promo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.column-page .promo-panel {
  background: linear-gradient(180deg, #1a3a5c 0%, #0a2138 100%);
  color: white;
  padding: 28px 24px;
  text-align: center;
  border-radius: 2px;
}
.column-page .promo-frame {
  border: 1px solid var(--color-accent-light);
  padding: 8px 14px;
  display: inline-block;
  margin-bottom: 16px;
}
.column-page .promo-label {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.3em;
  margin: 14px 0 6px;
  color: #b8c8d8;
}
.column-page .promo-icon {
  font-size: 28px;
  margin: 4px 0;
  color: var(--color-accent-light);
}
.column-page .promo-title-jp {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 0.15em;
  margin-bottom: 14px;
}
.column-page .promo-desc {
  font-size: 12px;
  line-height: 1.9;
  margin-bottom: 20px;
  opacity: 0.95;
}
.column-page .promo-btn {
  display: block;
  background: var(--color-accent-light);
  color: #0a2138;
  padding: 13px;
  font-size: 13px;
  font-weight: 700;
  border-radius: 3px;
  letter-spacing: 0.05em;
  text-decoration: none;
  transition: all 0.2s;
}
.column-page .promo-note {
  font-size: 10px;
  margin-top: 12px;
  opacity: 0.85;
}

/* --- promo-panel.light (お問い合わせ側パネル) --- */
.column-page .promo-panel.right {
  background: #fff;
  color: #0a2138;
  border: 1px solid #d8d4c8;
}
.column-page .promo-panel.right .promo-frame {
  border-color: #c8c0a8;
}
.column-page .promo-panel.right .promo-icon {
  color: var(--color-accent);
}
.column-page .promo-panel.right .promo-btn {
  background: #1a3a5c;
  color: white;
}

/* --- Section CTA (汎用ボタン) --- */
.column-page .section-cta {
  display: block;
  background: var(--color-accent-light);
  color: #0a2138;
  text-align: center;
  padding: 14px;
  font-size: 14px;
  font-weight: 700;
  margin: 0 auto;
  max-width: 360px;
  border-radius: 3px;
  border: 1px solid var(--color-accent);
  text-decoration: none;
  transition: all 0.2s;
}

    /* シェアブロック */
    .share {
      max-width: 1080px;
      margin: 0 auto 15px;
    }

    .share__label {
      font-size: 14px;
      color: #1c1c1c;
      margin: 0 0 10px;
      letter-spacing: 0.02em;
    }

    /* ボタン一覧：等幅4分割 */
    .share__list {
      list-style: none;
      padding: 0;
      margin: 0px auto 30px;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 8px;
    }

    .share__item {
      display: flex;
      align-items: center;
      justify-content: center;
      height: 44px;
      padding: 0 12px;
      color: #ffffff;
      font-size: 14px;
      font-weight: 500;
      text-decoration: none;
      border-radius: 2px;
      transition: opacity 0.2s ease;
    }

    .share__item:hover,
    .share__item:focus-visible {
      opacity: 0.85;
    }

    /* 各SNSカラー */
    .share__item--x       { background: #000000; }
    .share__item--fb      { background: #1877f2; }
    .share__item--line    { background: #06c755; }
    .share__item--copy    { background: #6b6b6b; }

.alumni__archive_main::before{
content:none;
}
/* =========================================================
   Mobile (max-width: 768px)
   ---------------------------------------------------------
   詳細ページ用の調整
   ========================================================= */
@media (max-width: 600px) {
  .share__list {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  .column-page .meta-row {
    gap: 10px;
  }
  .column-page .article-title {
    font-size: 20px;
    margin-bottom: 20px;
  }
  .column-page .intro-box {
    padding: 18px 20px;
    font-size: 12.5px;
    margin-bottom: 24px;
  }
  .column-page .prospective {
    grid-template-columns: 1fr;
    padding: 18px 20px;
    gap: 14px;
  }
  .column-page .prospective,
  .column-page .author-box,
  .column-page .toc,
  .column-page .intro-box {
    width: 100%;
  }
  .column-page .prospective-cta {
    width: 100%;
    padding: 14px;
    min-width: 0;
  }
  .column-page .toc {
    padding: 20px 22px;
    margin-bottom: 30px;
  }
  .column-page .toc-title::before {
    left: 22%;
    width: 30px;
  }
  .column-page .toc-title::after {
    right: 22%;
    width: 30px;
  }
  .column-page .toc ol {
    font-size: 12px;
    padding-left: 22px;
  }
  .column-page .author-box {
    padding: 14px 16px;
    gap: 12px;
  }
  .column-page .article-container,
  .column-page .wide-container,
  .column-page .full-container {
    padding: 0 16px;
  }
  .column-page .article-nav {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .column-page .article-nav .next {
    text-align: left;
  }
  .column-page .promo-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}


/* =========================================================
   6. [隔離] 将来用ストック
   ========================================================= */


/* ----- ここから [CTA Section / カード型CTA] -----

.column-page .cta-section { padding: 32px 16px 48px; }
.column-page .cta-section__inner { max-width: var(--container-max); margin: 0 auto; }
.column-page .cta-section__heading {
  text-align: center; font-size: 18px; font-weight: 700;
  margin: 0 0 24px;
}
.column-page .cta-section__grid { display: grid; gap: 16px; }
.column-page .cta-card {
  background: var(--color-navy); color: #fff;
  padding: 32px 20px;
  text-align: center;
  border-radius: var(--radius-sm);
}
.column-page .cta-card--outline {
  background: #fff;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.column-page .cta-card__en {
  font-family: var(--font-en); font-style: italic;
  font-size: 13px; margin-bottom: 4px; opacity: 0.85;
}
.column-page .cta-card__sub {
  font-size: 11px; margin-bottom: 16px;
  letter-spacing: 0.05em; opacity: 0.85;
}
.column-page .cta-card__icon {
  width: 40px; height: 40px;
  margin: 16px auto 12px;
  display: grid; place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%; font-size: 16px;
  opacity: 0.9;
}
.column-page .cta-card--outline .cta-card__icon { border-color: var(--color-border); }
.column-page .cta-card__title {
  font-size: 22px; font-weight: 700;
  margin: 0 0 12px;
  letter-spacing: 0.05em;
}
.column-page .cta-card__desc {
  font-size: 12px; line-height: 1.7;
  opacity: 0.9; margin: 0 0 20px;
}
.column-page .cta-card__btn {
  display: block; width: 100%; max-width: 280px; margin: 0 auto;
  padding: 12px 16px;
  font-size: 13px; font-weight: 700;
  border-radius: var(--radius-sm);
  text-align: center;
}
.column-page .cta-card__btn--primary { background: var(--color-gold); color: #fff; }
.column-page .cta-card__btn--primary:hover { background: var(--color-gold-dark); opacity: 1; color: #fff; }
.column-page .cta-card__btn--dark { background: var(--color-navy); color: #fff; }
.column-page .cta-card__btn--dark:hover { background: var(--color-navy-light); opacity: 1; color: #fff; }
.column-page .cta-card__note { font-size: 10px; margin-top: 12px; opacity: 0.7; }
@media (min-width: 768px) {
  .column-page .cta-section { padding: 48px var(--content-pad-pc) 64px; }
  .column-page .cta-section__heading { font-size: 22px; margin-bottom: 32px; }
  .column-page .cta-section__grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .column-page .cta-card { padding: 40px 24px; }
  .column-page .cta-card__title { font-size: 26px; }
}

----- ここまで [CTA Section / カード型CTA] ----- */


/* ----- ここから [Popular Ranking / 人気記事ランキング] -----

.column-page .ranking { background: var(--color-bg-soft); padding: 32px 16px 48px; }
.column-page .ranking__inner { max-width: var(--container-max); margin: 0 auto; }
.column-page .ranking__heading {
  background: var(--color-navy); color: #fff;
  font-size: 16px; font-weight: 700;
  padding: 12px 16px;
  margin: 0 0 16px;
  border-radius: var(--radius-sm);
}
.column-page .ranking__list { display: grid; gap: 4px; counter-reset: rank; }
.column-page .ranking__item {
  counter-increment: rank;
  display: grid;
  grid-template-columns: 48px 80px 1fr;
  align-items: center; gap: 16px;
  padding: 12px 8px;
  border-bottom: 1px solid var(--color-border);
  background: #fff;
}
.column-page .ranking__item:last-child { border-bottom: 0; }
.column-page .ranking__num {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  font-family: var(--font-en); font-weight: 700;
  font-size: 14px; border-radius: 2px;
  color: #fff; background: var(--color-gold);
}
.column-page .ranking__item:nth-child(1) .ranking__num { background: var(--color-gold); }
.column-page .ranking__item:nth-child(2) .ranking__num { background: #b0b0b0; }
.column-page .ranking__item:nth-child(3) .ranking__num { background: #b08555; }
.column-page .ranking__num::before { content: counter(rank); }
.column-page .ranking__thumb {
  aspect-ratio: 16 / 11;
  background: var(--color-cream);
  border-radius: 2px;
  overflow: hidden;
}
.column-page .ranking__thumb img { width: 100%; height: 100%; object-fit: cover; }
.column-page .ranking__title {
  font-size: 13px; line-height: 1.5;
  color: var(--color-text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
@media (min-width: 768px) {
  .column-page .ranking { padding: 48px var(--content-pad-pc) 64px; }
  .column-page .ranking__heading { font-size: 18px; padding: 14px 20px; }
  .column-page .ranking__item { grid-template-columns: 56px 100px 1fr; padding: 14px 16px; }
  .column-page .ranking__num { width: 36px; height: 36px; font-size: 16px; }
  .column-page .ranking__title { font-size: 14px; }
}

----- ここまで [Popular Ranking / 人気記事ランキング] ----- */


/* ----- ここから [Related Links / 関連リンク] -----

.column-page .related-links { padding: 32px 16px 48px; }
.column-page .related-links__inner { max-width: var(--container-max); margin: 0 auto; }
.column-page .related-links__heading {
  background: var(--color-navy); color: #fff;
  font-size: 16px; font-weight: 700;
  padding: 12px 16px; margin: 0 0 16px;
  border-radius: var(--radius-sm);
}
.column-page .related-links__list {
  display: grid; grid-template-columns: 1fr; gap: 12px;
}
.column-page .related-links__item a {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px;
  background: #fff;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: 13px;
  border-radius: var(--radius-sm);
}
.column-page .related-links__item a::before {
  content: "›"; margin-right: 8px; color: var(--color-navy);
}
.column-page .related-links__label { flex: 1; }
.column-page .related-links__icon { font-size: 12px; color: var(--color-text-muted); }
@media (min-width: 768px) {
  .column-page .related-links { padding: 48px var(--content-pad-pc) 64px; }
  .column-page .related-links__heading { font-size: 18px; padding: 14px 20px; }
  .column-page .related-links__list { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .column-page .related-links__item a { font-size: 14px; }
}

----- ここまで [Related Links / 関連リンク] ----- */