/* ===== Businesses Pages ===== */

/* --- 個別事業ページ共通 --- */
.business-hero {
  padding-block: var(--space-lg) var(--space-md);
  position: relative;
}

/* 背景写真付きヒーロー(controlled overlay で可読性を担保) */
.business-hero--with-bg {
  padding-block: clamp(4rem, 9vw, 7rem) clamp(3rem, 6vw, 5rem);
  color: var(--color-text);
  isolation: isolate;
  overflow: hidden;
}

.business-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.business-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.85);
}

.business-hero__bg::after {
  /* 白オーバーレイで可読性確保。
     上半分はテキスト可読のため濃いめ、下半分は背景写真をしっかり見せる */
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    rgba(255,255,255,0.92) 0%,
    rgba(255,255,255,0.78) 40%,
    rgba(255,255,255,0.55) 80%,
    rgba(255,255,255,0.45) 100%);
}

.business-hero__content {
  position: relative;
  z-index: 1;
}

/* ブランドロゴ(business-hero 内に大きく表示する用) */
.business-hero__brand-logo {
  margin: var(--space-sm) 0 var(--space-md);
  max-width: 320px;
}

.business-hero__brand-logo img {
  width: 100%;
  height: auto;
  display: block;
}

.business-hero__breadcrumb {
  font-family: var(--font-sans-en);
  font-size: var(--text-xsmall);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-text-soft);
  margin-bottom: var(--space-sm);
}

.business-hero__breadcrumb a {
  color: var(--color-blue);
}

.business-hero__name-en {
  font-family: var(--font-sans-en);

  font-size: clamp(2.5rem, 6vw, 4.5rem);
  color: var(--color-navy);
  letter-spacing: var(--tracking-tight);
  line-height: 1.05;
  margin-bottom: var(--space-sm);
  font-weight: 500;
}

.business-hero__name-jp {
  font-family: var(--font-sans-jp);
  font-size: var(--text-lead);
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

.business-hero__tagline {
  font-family: var(--font-sans-jp);
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  color: var(--color-text-strong);
  line-height: 1.8;
  max-width: var(--max-width-text);
  margin-top: var(--space-md);
}

.business-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
  margin-top: var(--space-md);
}

/* --- 章 --- */
.business-chapter {
  padding-block: var(--space-lg);
}

.business-chapter--soft {
  background-color: var(--color-bg-soft);
}

.business-chapter__container {
  max-width: var(--max-width-text);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.business-chapter__container--wide {
  max-width: var(--max-width);
}

.business-chapter__label {
  font-family: var(--font-sans-en);
  font-size: var(--text-small);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-blue);
  margin-bottom: var(--space-sm);
  display: block;
}

.business-chapter__title {
  font-family: var(--font-sans-jp);
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: var(--space-md);
  line-height: 1.5;
}

.business-chapter__body {
  font-family: var(--font-sans-jp);
  font-size: var(--text-body);
  line-height: 1.95;
  color: var(--color-text);
}

.business-chapter__body p + p {
  margin-top: var(--space-md);
}

/* --- 誓約リスト --- */
.pledge-list {
  display: grid;
  gap: var(--space-md);
  margin-top: var(--space-md);
  counter-reset: pledge;
}

.pledge-list__item {
  position: relative;
  padding-left: 3.5rem;
  padding-top: 0.25rem;
  counter-increment: pledge;
}

.pledge-list__item::before {
  content: counter(pledge, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-sans-en);

  font-size: 1.5rem;
  font-weight: 500;
  color: var(--color-turquoise);
  letter-spacing: 0;
  line-height: 1;
}

.pledge-list__title {
  font-family: var(--font-sans-jp);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-text-strong);
  margin-bottom: 0.25rem;
  line-height: 1.5;
}

.pledge-list__description {
  font-size: var(--text-small);
  color: var(--color-text);
  line-height: 1.85;
}

/* --- 運営スキーム図 --- */
.scheme-diagram {
  margin-top: var(--space-lg);
  padding: var(--space-md);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.scheme-diagram__flow {
  display: grid;
  gap: var(--space-sm);
}

@media (min-width: 900px) {
  .scheme-diagram__flow {
    grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
    align-items: center;
  }
}

.scheme-node {
  padding: var(--space-sm);
  background-color: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
  font-size: var(--text-small);
  color: var(--color-text-strong);
}

.scheme-node--core {
  background-color: var(--color-navy);
  color: var(--color-white);
  border-color: var(--color-navy);
  font-weight: 500;
}

.scheme-node__role {
  font-family: var(--font-sans-en);
  font-size: var(--text-xsmall);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  opacity: 0.7;
  margin-bottom: 0.25rem;
}

.scheme-node__name {
  font-family: var(--font-sans-jp);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.scheme-arrow {
  text-align: center;
  font-size: 1.2rem;
  color: var(--color-blue);
  font-family: var(--font-sans-en);
}

@media (max-width: 899px) {
  .scheme-arrow {
    transform: rotate(90deg);
  }
}

.scheme-diagram__note {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px dashed var(--color-border);
  font-size: var(--text-small);
  color: var(--color-text-soft);
  line-height: 1.8;
}

/* --- 実績エリア --- */
.cases {
  margin-top: var(--space-md);
}

.case-card {
  padding: var(--space-md);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
}

.case-card--placeholder {
  text-align: center;
  color: var(--color-text-soft);

  background-color: var(--color-bg-soft);
  border-style: dashed;
}

/* --- 大きいCTA --- */
.big-cta {
  padding: var(--space-lg);
  background-color: var(--color-navy);
  color: var(--color-white);
  border-radius: var(--radius-md);
  text-align: center;
}

.big-cta__title {
  font-family: var(--font-sans-en);

  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: var(--space-sm);
  color: var(--color-white);
}

.big-cta__lead {
  font-size: var(--text-body);
  max-width: 480px;
  margin: 0 auto var(--space-md);
  color: rgba(255, 255, 255, 0.85);
}

.big-cta .btn {
  background-color: var(--color-turquoise);
  border-color: var(--color-turquoise);
  color: var(--color-white);
}

.big-cta .btn:hover {
  background-color: var(--color-white);
  color: var(--color-navy);
  border-color: var(--color-white);
}

/* --- Brand mark grid (Opus brands等) --- */
.brand-mark-grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
  margin-top: var(--space-md);
}

@media (min-width: 700px) {
  .brand-mark-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }
}

.brand-mark {
  margin: 0;
  padding: var(--space-md);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  min-height: 180px;
}

.brand-mark img {
  max-height: 88px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
}

.brand-mark figcaption {
  font-family: var(--font-sans-en);
  font-size: var(--text-small);
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-soft);
}

/* --- Coming soon --- */
.coming-soon {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl) var(--container-padding);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.coming-soon__inner {
  position: relative;
  z-index: 1;
  max-width: 560px;
}

.coming-soon__label {
  font-family: var(--font-sans-en);
  font-size: var(--text-small);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-blue);
  margin-bottom: var(--space-md);
  display: block;
}

.coming-soon__title {
  font-family: var(--font-sans-en);

  font-size: clamp(2.5rem, 5vw, 3.5rem);
  color: var(--color-navy);
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-md);
}

.coming-soon__name-jp {
  font-family: var(--font-sans-jp);
  font-size: 1.1rem;
  color: var(--color-text-soft);
  margin-bottom: var(--space-md);
}

.coming-soon__body {
  font-family: var(--font-sans-jp);
  color: var(--color-text);
  line-height: 1.95;
  margin-bottom: var(--space-md);
}