@charset "UTF-8";
/* =========================================================
   Adnymous コラム（/column/）専用スタイル
   style.css の後に読み込む。デザイントークン（--navy, --gradient 等）と
   ヘッダー・フッター・ボタン・FAQ（details）・表（.table-scroll）は style.css を共用する。
   ここにはコラム固有のレイアウトだけを書く。
   ========================================================= */

/* ---------- 共通レイアウト ---------- */

.col-main {
  position: relative;
  padding: 22rem var(--px) 10rem;
  z-index: 0;
}

.col-inner {
  position: relative;
  z-index: 1;
  max-width: 84rem;
  margin: 0 auto;
}

/* パンくず */
.crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.2rem;
  font-size: 2.2rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.62);
}
.crumbs a { color: rgba(255, 255, 255, 0.82); }
.crumbs a:hover { color: var(--white); }
.crumbs li:not(:last-child)::after { content: "/"; margin-left: 1.2rem; color: rgba(255, 255, 255, 0.35); }
.crumbs li[aria-current] { color: rgba(255, 255, 255, 0.55); }

/* ---------- 記事ヘッダー ---------- */

.col-meta {
  margin-top: 3.6rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.6rem;
}
.col-chip {
  display: inline-block;
  padding: 0.6rem 1.8rem 0.7rem;
  border-radius: 999rem;
  border: 1px solid var(--line);
  background: var(--very-pale-white);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.4;
}
.col-date {
  font-size: 2.2rem;
  color: rgba(255, 255, 255, 0.62);
  font-family: 'Helvetica Neue', Helvetica, Arial, system-ui, sans-serif;
}

.col-title {
  margin-top: 2.8rem;
  font-size: 5.2rem;
  line-height: 1.5;
  font-weight: 700;
  /* 長い複合語でも右端で切れないように */
  word-break: normal;
  overflow-wrap: normal;
}

.col-lead {
  margin-top: 3.2rem;
  font-size: 3rem;
  line-height: 2.1;
  color: rgba(255, 255, 255, 0.88);
}

.col-hero { margin: 5rem 0 0; }
.col-hero img { display: block; width: 100%; border-radius: 1.2rem; border: 1px solid var(--line); }

/* ---------- 目次 ---------- */

.col-toc {
  margin-top: 6rem;
  background: rgb(0 17 37 / 0.5);
  border: 1px solid var(--line);
  border-radius: 1.2rem;
  padding: 4rem;
}
.col-toc-title {
  font-size: 2.6rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  background: var(--gradient-bright);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  width: fit-content;
}
.col-toc ol {
  margin-top: 2.4rem;
  display: grid;
  gap: 1.6rem;
  counter-reset: toc;
}
.col-toc li {
  position: relative;
  counter-increment: toc;
  padding-left: 4.6rem;
  font-size: 2.6rem;
  line-height: 1.7;
}
.col-toc li::before {
  content: counter(toc, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.1em;
  font-size: 2.2rem;
  font-weight: 700;
  font-family: 'Helvetica Neue', Helvetica, Arial, system-ui, sans-serif;
  background: var(--gradient-bright);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.col-toc a { color: rgba(255, 255, 255, 0.88); }
.col-toc a:hover { color: var(--white); text-decoration: underline; text-underline-offset: 0.3em; }

/* ---------- 記事本文 ---------- */

.col-article { margin-top: 2rem; }

/* 固定ヘッダーに見出しが隠れないようにする */
.col-article [id] { scroll-margin-top: 20rem; }

.col-article h2 {
  position: relative;
  margin-top: 10rem;
  padding: 0 0 2rem 3rem;
  font-size: 4rem;
  line-height: 1.55;
  font-weight: 700;
  border-bottom: 1px solid var(--line);
  word-break: normal;
  overflow-wrap: normal;
}
.col-article h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 1rem;
  height: 3.6rem;
  border-radius: 0.5rem;
  background: var(--gradient);
}

.col-article h3 {
  position: relative;
  margin-top: 6.4rem;
  padding-left: 3rem;
  font-size: 3.2rem;
  line-height: 1.6;
  font-weight: 700;
  word-break: normal;
  overflow-wrap: normal;
}
.col-article h3::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 1.6rem;
  height: 0.3rem;
  background: var(--pink);
}

.col-article p {
  margin-top: 3.2rem;
  line-height: 2.2;
  color: rgba(255, 255, 255, 0.88);
}

.col-article ul:not(.notes),
.col-article ol:not([class]) {
  margin-top: 3.2rem;
  display: grid;
  gap: 1.8rem;
}
.col-article ul:not(.notes) > li,
.col-article ol:not([class]) > li {
  position: relative;
  padding-left: 2.8rem;
  font-size: 2.8rem;
  line-height: 2;
  color: rgba(255, 255, 255, 0.88);
}
.col-article ul:not(.notes) > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.25em;
  width: 1.4rem;
  height: 0.3rem;
  background: var(--pink);
}
.col-article ol:not([class]) { counter-reset: colol; }
.col-article ol:not([class]) > li { counter-increment: colol; padding-left: 4rem; }
.col-article ol:not([class]) > li::before {
  content: counter(colol) ".";
  position: absolute;
  left: 0;
  top: 0;
  font-weight: 700;
  background: var(--gradient-bright);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.col-article a:not(.btn) {
  text-decoration: underline;
  text-underline-offset: 0.3em;
  text-decoration-color: rgba(255, 255, 255, 0.45);
}
.col-article a:not(.btn):hover { text-decoration-color: var(--pink); }

.col-article strong { font-weight: 700; color: var(--white); }

/* 記事内の強調カード（ポイントまとめ） */
.col-point {
  margin-top: 4rem;
  background: var(--very-pale-white);
  border: 1px solid var(--line);
  border-radius: 1.2rem;
  padding: 3.6rem 3.2rem;
  position: relative;
  overflow: hidden;
}
.col-point::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 0.4rem;
  background: var(--gradient);
}
.col-point-title {
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  background: var(--gradient-bright);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  width: fit-content;
}
.col-point p { margin-top: 1.8rem; }
.col-point ul { margin-top: 2rem; }

/* ---------- 記事内CTA ---------- */

.col-cta {
  margin-top: 8rem;
  background: var(--very-pale-white);
  border: 1px solid var(--pale-white);
  border-radius: 1.2rem;
  padding: 4.8rem 4rem;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 3rem;
  align-items: flex-start;
}
.col-cta::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 0.4rem;
  background: var(--gradient);
}
.col-cta-title { font-size: 3.4rem; font-weight: 700; line-height: 1.6; }
.col-cta p { font-size: 2.6rem; line-height: 2; color: rgba(255, 255, 255, 0.88); margin: 0; }
.col-cta .note { margin-top: 0; }

/* ---------- 記事下部 ---------- */

.col-share-note {
  margin-top: 6rem;
  font-size: 2.2rem;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.62);
  border-top: 1px solid var(--line);
  padding-top: 3.2rem;
}

/* 関連記事 */
.col-related { margin-top: 9rem; }
.col-related-title {
  font-size: 3.6rem;
  font-weight: 700;
  line-height: 1.5;
  position: relative;
  padding-left: 3rem;
}
.col-related-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 1rem;
  height: 3.2rem;
  border-radius: 0.5rem;
  background: var(--gradient);
}

/* ---------- 記事カード（一覧・関連共通） ---------- */

.col-grid {
  margin-top: 5rem;
  display: grid;
  gap: 3.6rem;
}

.col-card {
  display: flex;
  flex-direction: column;
  background: var(--very-pale-white);
  border: 1px solid var(--line);
  border-radius: 1.2rem;
  overflow: hidden;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.col-card:hover { border-color: var(--pale-white); transform: translateY(-0.4rem); }
.col-card-img { display: block; aspect-ratio: 1200 / 630; overflow: hidden; }
.col-card-img img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}
.col-card:hover .col-card-img img { transform: scale(1.04); }
.col-card-body { padding: 3rem 3.2rem 3.6rem; display: flex; flex-direction: column; gap: 1.6rem; flex: 1; }
.col-card-date {
  font-size: 2rem;
  color: rgba(255, 255, 255, 0.62);
  font-family: 'Helvetica Neue', Helvetica, Arial, system-ui, sans-serif;
}
.col-card-title { font-size: 3rem; font-weight: 700; line-height: 1.6; word-break: normal; overflow-wrap: normal; }
.col-card:hover .col-card-title { text-decoration: underline; text-underline-offset: 0.3em; }
.col-card-excerpt {
  font-size: 2.4rem;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.72);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---------- 一覧ページ ---------- */

.col-index-head { position: relative; }
.col-index-display {
  font-size: 9.4rem;
  line-height: 1;
  font-weight: 500;
  letter-spacing: -0.02em;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  width: fit-content;
  font-family: 'Helvetica Neue', Helvetica, Arial, system-ui, sans-serif;
}
.col-index-lead { margin-top: 3.2rem; font-size: 2.8rem; line-height: 2.1; color: rgba(255, 255, 255, 0.88); }
.col-index-main .col-inner { max-width: 116rem; }

/* 一覧下部のLP誘導 */
.col-index-cta { margin-top: 10rem; }

/* ---------- PC（751px 以上） ---------- */

@media (min-width: 751px) {
  .col-main { padding: 16rem var(--px) 10rem; }

  .crumbs { font-size: 1.3rem; gap: 0.2rem 1rem; }
  .crumbs li:not(:last-child)::after { margin-left: 1rem; }

  .col-meta { margin-top: 2.8rem; gap: 1.2rem; }
  .col-chip { font-size: 1.2rem; padding: 0.4rem 1.4rem 0.5rem; }
  .col-date { font-size: 1.3rem; }

  .col-title { font-size: 3.6rem; margin-top: 2rem; line-height: 1.55; }
  .col-lead { font-size: 1.7rem; margin-top: 2.4rem; line-height: 2.1; }
  .col-hero { margin-top: 4rem; }

  .col-toc { margin-top: 4.8rem; padding: 3.2rem 3.6rem; }
  .col-toc-title { font-size: 1.5rem; }
  .col-toc ol { margin-top: 1.8rem; gap: 1.1rem; }
  .col-toc li { font-size: 1.5rem; padding-left: 3.4rem; }
  .col-toc li::before { font-size: 1.3rem; top: 0.15em; }

  .col-article [id] { scroll-margin-top: 13rem; }

  .col-article h2 { margin-top: 8rem; font-size: 2.6rem; padding: 0 0 1.6rem 2.2rem; }
  .col-article h2::before { width: 0.7rem; height: 2.4rem; top: 0.42em; }
  .col-article h3 { margin-top: 5rem; font-size: 1.9rem; padding-left: 2.2rem; }
  .col-article h3::before { width: 1.2rem; top: 0.78em; }
  .col-article p { margin-top: 2.4rem; line-height: 2.25; }

  .col-article ul:not(.notes),
  .col-article ol:not([class]) { margin-top: 2.4rem; gap: 1.2rem; }
  .col-article ul:not(.notes) > li,
  .col-article ol:not([class]) > li { font-size: 1.6rem; padding-left: 2rem; }
  .col-article ul:not(.notes) > li::before { width: 1rem; }
  .col-article ol:not([class]) > li { padding-left: 2.8rem; }

  .col-point { margin-top: 3.2rem; padding: 2.8rem 3.2rem; }
  .col-point-title { font-size: 1.4rem; }
  .col-point p { margin-top: 1.4rem; }
  .col-point ul { margin-top: 1.4rem; }

  .col-cta { margin-top: 6.4rem; padding: 4rem 4.4rem; gap: 2rem; }
  .col-cta-title { font-size: 2.2rem; }
  .col-cta p { font-size: 1.6rem; }
  .col-cta .btn { width: 32rem; }

  .col-share-note { font-size: 1.3rem; margin-top: 5rem; padding-top: 2.4rem; }

  .col-related { margin-top: 8rem; }
  .col-related-title { font-size: 2.4rem; padding-left: 2.2rem; }
  .col-related-title::before { width: 0.7rem; height: 2.2rem; }

  .col-grid { grid-template-columns: repeat(3, 1fr); gap: 2.4rem; margin-top: 3.6rem; }
  .col-card-body { padding: 2.2rem 2.4rem 2.6rem; gap: 1.1rem; }
  .col-card-date { font-size: 1.2rem; }
  .col-card-title { font-size: 1.7rem; line-height: 1.65; }
  .col-card-excerpt { font-size: 1.4rem; line-height: 1.85; }

  .col-index-display { font-size: 8.4rem; }
  .col-index-lead { font-size: 1.7rem; margin-top: 2.4rem; max-width: 72rem; }
  .col-index-cta { margin-top: 8rem; }
}