/* ========================================
   business.css — 事業紹介ページ専用
   ======================================== */

/* Intro */
.intro {
  padding: 80px 4vw 60px;
  text-align: center;
}
.intro__inner { max-width: 800px; margin: 0 auto; }
.intro__text {
  font-size: 16px;
  line-height: 2.2;
  color: var(--color-text);
  letter-spacing: 0.05em;
}

/* さくらシナジーマップ */
.groupsynergy {
  padding: 80px 4vw 100px;
  background: #fff;
  position: relative;
  overflow: hidden;
}
.groupsynergy::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 70%;
  height: 100%;
  background: radial-gradient(ellipse 60% 80% at 30% 30%, rgba(224, 242, 255, 0.4) 0%, transparent 60%);
  pointer-events: none;
}
.groupsynergy__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 56px;
  position: relative;
  z-index: 1;
}
.groupsynergy__left {
  flex: 0 0 58%;
  max-width: 620px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.groupsynergy__title {
  font-size: 28px;
  font-weight: 700;
  color: #1a237e;
  margin: 0 0 6px;
  letter-spacing: 0.03em;
  text-align: center;
}
.groupsynergy__subtitle {
  font-size: 11px;
  font-weight: 600;
  font-family: var(--font-en);
  color: #78909c;
  letter-spacing: 0.2em;
  margin: 0 0 28px;
  text-align: center;
}
.groupsynergy__diagram { width: 100%; position: relative; }
.groupsynergy__img { width: 100%; height: auto; display: block; border-radius: 4px; }
.groupsynergy__fallback { width: 100%; aspect-ratio: 1; }
.groupsynergy__fallback svg { width: 100%; height: 100%; display: block; }
.groupsynergy__text { flex: 1; padding: 40px 0 0; }
.groupsynergy__question {
  font-size: 22px;
  font-weight: 700;
  color: #1a2336;
  line-height: 1.65;
  margin: 0 0 24px;
  letter-spacing: 0.02em;
}
.groupsynergy__answer { font-size: 15px; line-height: 2.1; color: #333; margin: 0; letter-spacing: 0.04em; }

/* Synergy Map 説明 */
.synergy-map-desc { padding: 80px 8vw 100px; background: #fff; }
.synergy-map-desc__inner { max-width: 960px; margin: 0 auto; }
.synergy-map-desc__block { display: flex; align-items: center; gap: 56px; margin-bottom: 80px; }
.synergy-map-desc__block:last-child { margin-bottom: 0; }
.synergy-map-desc__img {
  width: 320px;
  max-width: 100%;
  flex-shrink: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  position: relative;
}
.synergy-map-desc__img img { width: 100%; height: 100%; object-fit: cover; }
.synergy-map-desc__img-overlay {
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-en);
  font-size: 42px;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.75);
  text-shadow: 0 1px 2px rgba(0,0,0,0.2);
  pointer-events: none;
}
.synergy-map-desc__content { flex: 1; display: flex; flex-direction: column; justify-content: center; }
.synergy-map-desc__content h3 { margin: 0 0 16px; font-size: 20px; font-weight: 700; color: #1e395c; line-height: 1.5; }
.synergy-map-desc__content p { margin: 0; font-size: 14px; line-height: 1.9; color: #444; font-weight: 400; }
.synergy-map-desc__content p + p { margin-top: 8px; }

/* Synergy */
.synergy { padding: 100px 8vw 120px; background: #fff; }
.synergy__inner { max-width: 1100px; margin: 0 auto; }
.synergy__header { text-align: center; margin-bottom: 64px; }
.synergy__title { margin: 0 0 24px; font-size: 44px; font-weight: 700; color: #1a2336; letter-spacing: 0.02em; line-height: 1.4; }
.synergy__desc { margin: 0; font-size: 16px; line-height: 1.9; color: #555; max-width: 560px; margin-left: auto; margin-right: auto; }
.synergy__cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.synergy__card {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  display: flex;
  flex-direction: column;
}
.synergy__card-body { padding: 28px 28px 32px; flex: 1; display: flex; flex-direction: column; }
.synergy__card-top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 16px; }
.synergy__label { font-size: 18px; font-weight: 700; color: #1976d2; font-family: var(--font-en); }
.synergy__number {
  font-size: 72px;
  font-weight: 800;
  font-family: var(--font-en);
  line-height: 1;
  background: linear-gradient(to right, rgba(25, 118, 210, 0.4) 0%, #1976d2 60%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.synergy__card h4 { margin: 0 0 20px; font-size: 18px; font-weight: 700; color: #1976d2; text-align: center; }
.synergy__card p { margin: 0; font-size: 14px; line-height: 1.85; color: #222; flex: 1; }
.synergy__card-img { width: 100%; aspect-ratio: 16 / 10; overflow: hidden; position: relative; }
.synergy__card-img img { width: 100%; height: 100%; object-fit: cover; }
.synergy__card-img-overlay {
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-en);
  font-size: 44px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.8);
  pointer-events: none;
}

/* Future — これからのさくらグループ */
.future { padding: 48px 4vw 56px; background: #fff; }
.future__inner { max-width: 900px; margin: 0 auto; }
.future__header { text-align: center; margin-bottom: 32px; }
.future__title { margin: 0 0 12px; font-size: 24px; font-weight: 700; color: #333; letter-spacing: 0.03em; }
.future__desc { margin: 0; font-size: 14px; line-height: 1.7; color: #333; font-weight: 400; max-width: 480px; margin-left: auto; margin-right: auto; }
.future__grid { display: flex; flex-direction: column; align-items: center; gap: 24px; }
.future__row { display: flex; justify-content: center; align-items: center; gap: 24px; }
.future__item {
  width: 200px;
  height: 200px;
  flex-shrink: 0;
  border-radius: 50%;
  overflow: hidden;
  position: relative;
}
.future__item img { width: 100%; height: 100%; object-fit: cover; }
.future__item-overlay {
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.35);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.5;
  text-align: center;
  white-space: pre-line;
  padding: 16px;
}

@media (max-width: 900px) {
  .groupsynergy__inner { flex-direction: column; gap: 40px; }
  .groupsynergy__left { flex: none; width: 100%; max-width: none; }
  .groupsynergy__text { padding: 0; text-align: center; }
  .groupsynergy__question, .groupsynergy__answer { text-align: left; }
}
@media (max-width: 768px) {
  .groupsynergy__diagram { max-width: 360px; margin: 0 auto; }
  .future__row { flex-direction: column; gap: 24px; }
  .future__item { width: 240px; height: 240px; }
  .future__item-overlay { font-size: 14px; }
  .synergy-map-desc__block { flex-direction: column; align-items: center; gap: 32px; margin-bottom: 64px; }
  .synergy-map-desc__img { width: 100%; max-width: 320px; }
  .synergy-map-desc__content { text-align: left; }
  .synergy-map-desc__content h3 { font-size: 18px; }
  .synergy__cards { grid-template-columns: 1fr; }
}
@media (max-width: 480px) { /* 必要に応じて追加 */ }