/* 事業紹介ページ */

/* 導入文 + 事業インデックス */
.intro { padding: clamp(40px, 5vw, 64px) 0 clamp(56px, 6vw, 80px); }
.intro-text { max-width: 920px; margin: 0 auto; }
.intro-text .text { line-height: 2.1; letter-spacing: 0.06em; font-size: 15.5px; }
.intro-text .text + .text { margin-top: 1em; }
.biz-index {
  margin-top: clamp(36px, 4vw, 56px);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.biz-index .btn { min-width: 0; width: 100%; padding: 0 20px; gap: 10px; font-size: 13px; letter-spacing: 0.08em; height: 48px; }
.biz-index .btn svg { width: 11px; height: 11px; fill: currentColor; flex: none; transform: rotate(180deg) translateY(-1px); }

/* 事業ブロック 共通 */
.biz { scroll-margin-top: calc(var(--header-h) + 16px); }
.biz .num {
  font-family: var(--font-sign);
  font-size: clamp(44px, 4vw, 54px);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: 0.1em;
  color: var(--pink);
}
.biz .eyebrow { margin-top: 14px; letter-spacing: 0.28em; font-size: 12px; }
.biz-title {
  margin-top: 8px;
  font-size: clamp(22px, 1.9vw, 26px);
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1.6;
}
.biz-title .sub { display: inline-block; font-size: 0.8em; letter-spacing: 0.16em; }
.biz .biz-lead .text, .biz .split-inner .text { margin-top: clamp(22px, 2.5vw, 32px); line-height: 2; letter-spacing: 0.06em; }
.biz .btn-row { margin-top: 32px; }
.biz .btn { min-width: 210px; }

/* 01・03: 左テキスト + 右カード */
.biz-cards { padding: clamp(72px, 8vw, 112px) 0; background: #fff; }
.biz-cards .container-wide { width: min(1320px, calc(100% - var(--gutter) * 2)); }
.biz-grid {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: clamp(32px, 4vw, 56px);
  align-items: start;
}
.biz-lead { padding-top: 32px; }
.card-grid { display: grid; gap: 22px; }
.card-grid.is-three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card-grid.is-two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.biz-card { border-radius: 10px; overflow: hidden; box-shadow: 0 8px 24px rgba(47, 43, 54, 0.12); display: flex; flex-direction: column; }
.biz-card img { flex: none; width: 100%; height: auto; aspect-ratio: 852 / 590; object-fit: cover; }
.biz-card.is-wide img { aspect-ratio: 1296 / 560; } /* 03 の高さを 01 に近づける */
.card-body { padding: 28px 28px 32px; display: flex; flex-direction: column; flex: 1; }
.card-body h3 { font-size: clamp(17px, 1.4vw, 19px); font-weight: 700; letter-spacing: 0.08em; line-height: 1.6; }
.card-body p { margin-top: 14px; font-size: 14px; line-height: 1.9; letter-spacing: 0.04em; }
.text-link {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: auto; padding-top: 24px;
  align-self: flex-start;
  font-size: 15px; font-weight: 500; letter-spacing: 0.08em;
  color: var(--pink);
  transition: color 0.2s ease, gap 0.2s ease;
}
.text-link svg { width: 16px; height: 16px; fill: currentColor; }
.text-link:hover { color: var(--pink-deep); gap: 12px; }

/* 02・04: 左写真フルブリード + 右テキスト（薄ピンク） */
.biz-split {
  display: grid;
  grid-template-columns: minmax(0, 46.5fr) minmax(0, 53.5fr);
  background: var(--pink-pale);
  min-height: 700px; /* 02・04 を同じ高さに揃える */
}
.split-photo { position: relative; min-height: 100%; }
.split-photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.split-photo.fade { transform: none; }
.split-body { padding: clamp(64px, 7vw, 104px) var(--gutter); display: flex; align-items: center; }
.split-inner { width: min(520px, 100%); margin: 0 auto; }

@media (max-width: 1100px) {
  .biz-grid { grid-template-columns: 280px minmax(0, 1fr); }
  .card-grid.is-three { grid-template-columns: 1fr; }
  .biz-index { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 1100px) {
  .biz-split { min-height: 0; }
}
@media (max-width: 900px) {
  .biz-grid { grid-template-columns: 1fr; gap: 32px; }
  .biz-lead { padding-top: 0; max-width: 640px; }
  /* タブレット: カードは写真左・本文右の横並びにして間延びを防ぐ */
  .card-grid.is-three, .card-grid.is-two { grid-template-columns: 1fr; max-width: none; gap: 18px; }
  .biz-card { flex-direction: row; align-items: stretch; }
  .biz-card img, .biz-card.is-wide img { width: 42%; aspect-ratio: auto; height: auto; object-fit: cover; }
  .card-body { padding: 24px 26px 26px; }
  .biz-split { grid-template-columns: 1fr; }
  .split-photo { min-height: 0; aspect-ratio: 16 / 9; }
  .split-body { padding: clamp(48px, 7vw, 72px) var(--gutter); }
  .split-inner { width: 100%; max-width: 640px; }
}
@media (max-width: 760px) {
  .intro { padding: 32px 0 56px; }
  .intro-text .text { font-size: 15px; line-height: 2; text-align: left; }
  .biz-index { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-top: 32px; }
  .biz-index .btn { height: 46px; padding: 0 12px; font-size: 12px; letter-spacing: 0.04em; gap: 6px; }
  .biz .num { font-size: 40px; }
  .biz .eyebrow { margin-top: 10px; }
  .biz-title { font-size: 21px; letter-spacing: 0.1em; }
  .biz-title .sub { display: block; margin-top: 4px; letter-spacing: 0.1em; }
  .biz .biz-lead .text, .biz .split-inner .text { margin-top: 18px; font-size: 14px; line-height: 1.95; }
  .biz .btn-row { margin-top: 24px; justify-content: center; }
  .biz .btn-row .btn { width: min(100%, 320px); }
  .biz-cards { padding: 56px 0 64px; }
  .biz-card { flex-direction: column; }
  .biz-card img, .biz-card.is-wide img { width: 100%; aspect-ratio: 16 / 10; }
  .card-body { padding: 20px 20px 24px; }
  .card-body h3 { font-size: 17px; }
  .text-link { padding-top: 18px; font-size: 14px; }
  .split-photo { aspect-ratio: 4 / 3; }
  .split-body { padding: 44px var(--gutter) 52px; }
}