/* =============================================================
   column-brand.css — 会社案内トーンのコラムデザイン
   ============================================================= */

.column-brand-page {
  background: #f5f7fb;
}

.column-brand-page .site-header {
  box-shadow: 0 8px 30px -24px rgba(13,27,75,.45);
}

.column-brand-page .site-footer {
  background: #081537;
  border-top-color: rgba(79,195,247,.16);
  color: rgba(255,255,255,.65);
}

.column-brand-page .site-footer__brand {
  color: #fff;
}

.column-brand-page .site-footer__info,
.column-brand-page .site-footer__copy {
  color: rgba(255,255,255,.6);
}

.column-brand-page .column-hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--header-h) + 72px);
  padding-bottom: 82px;
  background:
    linear-gradient(90deg, rgba(8,21,55,.96), rgba(13,27,75,.88) 54%, rgba(14,79,163,.62)),
    url('../images/home/profit-dashboard.webp') center/cover no-repeat;
  text-align: left;
}

.column-brand-page .column-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(79,195,247,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79,195,247,.08) 1px, transparent 1px);
  background-size: 44px 44px;
}

.column-brand-page .column-hero > * {
  position: relative;
  z-index: 1;
  display: block;
  width: min(960px, calc(100% - 40px));
  margin-left: auto;
  margin-right: auto;
}

.column-brand-page .column-hero__eyebrow {
  color: var(--gold);
}

.column-brand-page .column-hero h1 {
  color: #fff;
  font-size: clamp(2.1rem, 5vw, 3.4rem);
}

.column-brand-page .column-hero p {
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
  color: rgba(255,255,255,.78);
  text-align: left;
}

.column-brand-page .column-list {
  padding-top: 54px;
}

.column-brand-page .category-filter {
  padding: .7rem;
  border: 1px solid rgba(13,27,75,.08);
  border-radius: 999px;
  background: #fff;
  box-shadow: 0 18px 44px -38px rgba(13,27,75,.65);
}

.column-brand-page .category-filter__btn.is-active {
  background: linear-gradient(135deg, #0D1B4B, #2363A5);
  border-color: transparent;
}

.column-brand-page .column-card {
  border-color: rgba(13,27,75,.08);
  box-shadow: 0 18px 42px -36px rgba(13,27,75,.75);
}

.column-brand-page .column-card:hover {
  transform: translateY(-7px);
  box-shadow: 0 26px 62px -40px rgba(13,27,75,.72);
}

.column-brand-page .column-card__thumb {
  height: 180px;
  background:
    radial-gradient(300px 130px at 85% 10%, rgba(79,195,247,.26), transparent 70%),
    linear-gradient(135deg, #081537, #0D1B4B 55%, #2363A5);
}

.column-brand-page .column-card__thumb::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .35;
  background-image:
    linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
  background-size: 30px 30px;
}

.column-brand-page .column-card__thumb::after {
  content: "";
  position: absolute;
  left: 20px;
  bottom: 0;
  width: 76px;
  height: 4px;
  background: var(--gold);
}

.column-brand-page .column-card__thumb svg {
  opacity: .14;
  transform: scale(1.25);
}

.column-brand-page .column-card__thumb .thumb-label {
  z-index: 1;
  justify-content: flex-start;
  padding: 1.5rem;
  font-size: 1.12rem;
  text-align: left;
}

.column-brand-page .column-card__body {
  padding: 1.55rem 1.6rem 1.7rem;
}

.column-brand-page .column-card__link {
  color: #0E4FA3;
}

.column-brand-page .cta-block {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #081537, #0D1B4B 60%, #17437E);
  border: 1px solid rgba(79,195,247,.18);
  box-shadow: 0 28px 70px -48px rgba(13,27,75,.85);
}

.column-brand-page .cta-block::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(420px 180px at 88% 10%, rgba(79,195,247,.18), transparent 70%);
}

.column-brand-page .cta-block > * {
  position: relative;
}

.column-brand-page .cta-block__label,
.column-brand-page .cta-block h2 {
  color: var(--gold);
}

.column-brand-page .cta-block p {
  color: rgba(255,255,255,.76);
}

.column-brand-page .cta-block .btn--outline {
  color: #fff;
  border-color: rgba(255,255,255,.28);
}

/* Article */
.article-brand-ribbon {
  min-height: 290px;
  padding: calc(var(--header-h) + 48px) var(--pad-x) 64px;
  background:
    linear-gradient(90deg, rgba(8,21,55,.96), rgba(13,27,75,.88) 58%, rgba(14,79,163,.58)),
    url('../images/home/bi-meeting.webp') center 42%/cover no-repeat;
  color: #fff;
}

.article-brand-ribbon__inner {
  max-width: 900px;
  margin: 0 auto;
}

.article-brand-ribbon__label {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  color: var(--gold);
  font-family: var(--font-data);
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.article-brand-ribbon__label::before {
  content: "";
  width: 24px;
  height: 1px;
  background: currentColor;
}

.article-brand-ribbon__text {
  max-width: 620px;
  margin-top: .8rem;
  color: rgba(255,255,255,.76);
  font-size: .94rem;
}

.column-brand-page .article-wrap {
  position: relative;
  z-index: 2;
  max-width: 860px;
  margin-top: -86px;
  padding: 2.2rem clamp(1.25rem, 4vw, 3rem) 84px;
  border: 1px solid rgba(13,27,75,.08);
  border-radius: 26px 26px 0 0;
  background: #fff;
  box-shadow: 0 -20px 60px -48px rgba(0,0,0,.75);
}

.column-brand-page .article-tag {
  color: #fff;
  background: linear-gradient(135deg, #0D1B4B, #2363A5);
}

.column-brand-page .article-title {
  font-size: clamp(1.8rem, 4.5vw, 2.65rem);
}

.column-brand-page .toc {
  border-color: rgba(13,27,75,.08);
  background: linear-gradient(145deg, #F6FAFF, #EAF6FE);
}

.column-brand-page .article-body h2 {
  border-left-width: 5px;
  border-left-color: var(--gold);
}

.column-brand-page .highlight-box {
  border: 1px solid rgba(79,195,247,.18);
  border-left: 5px solid var(--gold);
  background: linear-gradient(135deg, #F3FAFF, #E7F4FE);
}

.column-brand-page .summary-box {
  background:
    radial-gradient(380px 180px at 90% 0%, rgba(79,195,247,.15), transparent 70%),
    linear-gradient(135deg, #081537, #0D1B4B);
}

.column-brand-page .author-box {
  border-color: rgba(13,27,75,.08);
  background: #F7F9FC;
}

.column-brand-page .author-box__avatar {
  background: linear-gradient(135deg, #0D1B4B, #2363A5);
  box-shadow: inset 0 0 0 2px rgba(244,200,67,.35);
}

.column-brand-page .related-card__thumb {
  background:
    radial-gradient(180px 80px at 90% 10%, rgba(79,195,247,.24), transparent 70%),
    linear-gradient(135deg, #081537, #2363A5);
}

.column-brand-page .article-cta {
  position: relative;
  overflow: hidden;
  border-color: rgba(79,195,247,.18);
  background: linear-gradient(135deg, #081537, #0D1B4B 62%, #17437E);
}

.column-brand-page .article-cta p {
  color: rgba(255,255,255,.78);
}

.column-brand-page .article-cta .btn--outline {
  color: #fff;
  border-color: rgba(255,255,255,.28);
}

@media (max-width: 640px) {
  .column-brand-page .column-hero {
    padding-top: calc(var(--header-h) + 44px);
    padding-bottom: 56px;
  }

  .column-brand-page .category-filter {
    border-radius: 18px;
  }

  .article-brand-ribbon {
    min-height: 230px;
    padding-top: calc(var(--header-h) + 34px);
  }

  .column-brand-page .article-wrap {
    margin-top: -58px;
    border-radius: 20px 20px 0 0;
  }
}