/* ═══════════════════════════════════════════════════════
   Roopt.jp — column.css  (コラム記事ページ専用)
   ═══════════════════════════════════════════════════════ */

/* ─── 記事ヒーロー画像 ───────────────────────────────── */
.col-hero {
  width: 100%;
  max-height: 480px;
  overflow: hidden;
  background: var(--bg);
}

.col-hero img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  display: block;
}

/* ─── 記事メタ（日付・カテゴリ） ─────────────────────── */
.col-meta {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.col-date {
  font-size: .78rem;
  color: var(--muted);
  font-family: var(--font-en);
  letter-spacing: .04em;
}

.col-category {
  font-size: .7rem;
  font-weight: 700;
  color: var(--green);
  background: var(--bg-green);
  padding: .18em .65em;
  border-radius: 3px;
  letter-spacing: .04em;
  text-transform: uppercase;
}

/* ─── 記事ラッパー ───────────────────────────────────── */
.col-wrap {
  max-width: 780px;
  margin: 0 auto;
  padding: 3rem 2rem 5rem;
}

/* ─── 記事タイトル ───────────────────────────────────── */
.col-wrap h1 {
  font-family: var(--font-ja);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
  margin-bottom: 1rem;
  letter-spacing: -.01em;
}

/* ─── 区切り線 ───────────────────────────────────────── */
.col-divider {
  border: none;
  border-top: 2px solid var(--green);
  width: 40px;
  margin: 0 0 2rem;
}

/* ─── 記事本文 ───────────────────────────────────────── */
.col-body {
  font-size: .97rem;
  line-height: 1.9;
  color: var(--text);
}

.col-body h2 {
  font-family: var(--font-ja);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  margin: 2.5rem 0 .8rem;
  padding-left: .75rem;
  border-left: 3px solid var(--green);
  line-height: 1.5;
}

.col-body h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin: 2rem 0 .6rem;
  position: relative;
  padding-left: 1rem;
}

.col-body h3::before {
  content: "▷";
  position: absolute;
  left: 0;
  color: var(--green);
  font-size: .85em;
}

.col-body p {
  margin-bottom: 1.1rem;
}

.col-body img {
  width: 100%;
  border-radius: var(--radius);
  margin: 1.5rem 0;
  display: block;
}

.col-body ul,
.col-body ol {
  padding-left: 1.6rem;
  margin-bottom: 1.1rem;
}

.col-body li {
  margin-bottom: .4rem;
  line-height: 1.75;
}

.col-body a {
  color: var(--green);
  text-decoration: underline;
  text-decoration-color: rgba(58,140,92,.4);
  text-underline-offset: 3px;
  transition: text-decoration-color .15s;
}

.col-body a:hover {
  text-decoration-color: var(--green);
}

.col-body blockquote {
  border-left: 3px solid var(--border);
  padding: .75rem 1.25rem;
  margin: 1.5rem 0;
  background: var(--bg-alt);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--muted);
  font-size: .9rem;
}

.col-body strong { font-weight: 700; }
.col-body em { font-style: italic; }

.col-body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}

.col-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: .88rem;
  margin-bottom: 1.5rem;
}

.col-body th {
  background: var(--green);
  color: var(--bg-card);
  padding: .55rem .85rem;
  text-align: left;
  font-weight: 600;
}

.col-body td {
  padding: .5rem .85rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.col-body tr:nth-child(even) td { background: var(--bg-alt); }

/* ─── 記事末CTA（3択・ダーク） ──────────────────────── */
.col-cta {
  margin: 5rem -2rem 0;
  background: var(--green-hero);
  padding: 3.5rem 2rem 3rem;
}

.col-cta-eyebrow {
  text-align: center;
  font-family: var(--font-en);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(255,255,255,.45);
  margin-bottom: .6rem;
}

.col-cta-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255,255,255,.09);
  border: 1px solid rgba(255,255,255,.09);
  border-radius: 12px;
  overflow: hidden;
}

.col-cta-item {
  background: rgba(255,255,255,.02);
  padding: 2rem 1.5rem 1.75rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-decoration: none;
  transition: background .2s;
}

.col-cta-item:hover {
  background: rgba(255,255,255,.07);
}

.col-cta-icon {
  width: 38px;
  height: 38px;
  background: var(--green);
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.2rem;
  flex-shrink: 0;
}

.col-cta-en {
  font-family: var(--font-en);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: .3rem;
}

.col-cta-ja {
  font-family: var(--font-ja);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--bg-card);
  margin-bottom: .6rem;
  line-height: 1.35;
}

.col-cta-desc {
  font-size: .8rem;
  color: rgba(255,255,255,.52);
  line-height: 1.75;
  flex: 1;
  margin-bottom: 1.5rem;
}

.col-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  background: var(--green);
  color: var(--bg-card);
  font-size: .78rem;
  font-weight: 700;
  padding: .5rem 1.1rem;
  border-radius: 100px;
  transition: background .15s;
  white-space: nowrap;
}

.col-cta-item:hover .col-cta-btn {
  background: var(--green-dk);
}

@media (max-width: 640px) {
  .col-cta { margin-left: -1.25rem; margin-right: -1.25rem; padding: 2.5rem 1.25rem 2rem; }
  .col-cta-grid { grid-template-columns: 1fr; }
  .col-cta-item { padding: 1.5rem 1.25rem; }
}

/* ─── 記事末CTA v2（横並び3タイル型） ──────────────── */

.col-cta-inner {
  max-width: 100%;
}

.col-cta-header {
  text-align: center;
  margin-bottom: 1.75rem;
}

.col-cta-title {
  font-family: var(--font-ja);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--bg-card);
  letter-spacing: -.01em;
}

.col-cta-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .75rem;
}

.col-cta-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-radius: 14px;
  padding: 1.5rem 1.4rem 1.35rem;
  min-height: 190px;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition: transform .2s, box-shadow .2s;
  box-shadow: 0 4px 18px rgba(0,0,0,.35);
}

.col-cta-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 26px rgba(0,0,0,.45);
}

/* カード固有の背景 */
.col-cta-card:nth-child(1) { background: var(--green); }
.col-cta-card:nth-child(2) { background: var(--green-dk); }
.col-cta-card:nth-child(3) { background: var(--green-xdk); }

/* 写真オーバーレイ（写真はあっても無くてもよい） */
.col-cta-card-img {
  position: absolute;
  inset: 0;
  opacity: .22;
}

.col-cta-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.col-cta-card-overlay { display: none; }

.col-cta-card-body {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
  justify-content: space-between;
}

.col-cta-card-en {
  font-family: var(--font-en);
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(255,255,255,.65);
  margin-bottom: .45rem;
}

.col-cta-card-name {
  font-family: var(--font-ja);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--bg-card);
  line-height: 1.5;
  flex: 1;
}

.col-cta-card-arrow {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  margin-top: 1.1rem;
  background: rgba(255,255,255,.18);
  color: var(--bg-card);
  font-size: .76rem;
  font-weight: 700;
  padding: .4rem .9rem;
  border-radius: 100px;
  border: 1.5px solid rgba(255,255,255,.3);
  transition: background .15s, border-color .15s;
  width: fit-content;
}

.col-cta-card:hover .col-cta-card-arrow {
  background: rgba(255,255,255,.3);
  border-color: rgba(255,255,255,.55);
}

@media (max-width: 640px) {
  .col-cta-cards { grid-template-columns: 1fr; gap: .65rem; }
  .col-cta-card { min-height: 150px; padding: 1.25rem; }
  .col-cta-title { font-size: 1.15rem; }
}

/* ─── コラム一覧ページ戻りリンク ─────────────────────── */
.col-back {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .82rem;
  color: var(--muted);
  margin-bottom: 2rem;
  text-decoration: none;
  transition: color .15s;
}

.col-back:hover { color: var(--green); }
.col-back::before { content: "←"; }

/* ─── レスポンシブ ───────────────────────────────────── */
@media (max-width: 600px) {
  .col-hero img { height: 260px; }
  .col-wrap { padding: 2rem 1.25rem 3.5rem; }
  .col-wrap h1 { font-size: 1.25rem; }
}