.dojima-hero__scroll::after{
  content:"";
  display:block;
  width:1px; height:70px;
  background:linear-gradient(to bottom,rgba(255,255,255,.85),transparent);
  animation:dsScroll 2.2s ease-in-out infinite;
}
@keyframes dsScroll{
  0%,100%{ transform:scaleY(.4); transform-origin:top; }
  50%{ transform:scaleY(1); transform-origin:top; }
}

/* ========== 共通見出し ========== */
.ds-heading{
  text-align:center;
  margin:0 auto 48px;
  max-width:900px;
}
.ds-heading__eyebrow{
  display:inline-block;
  font-size:11px;
  letter-spacing:.38em;
  color:var(--red);
  font-weight:800;
  margin-bottom:16px;
  text-transform:uppercase;
}
.ds-heading__title{
  font-family:"Noto Serif JP",serif;
  font-size:var(--fs-h2);
  line-height:1.3;
  font-weight:900;
  color:var(--ink);
  margin:0 0 18px;
}
.ds-heading__sub{
  font-size:15px;
  color:var(--ink-soft);
  line-height:2;
  letter-spacing:.04em;
}

/* ========== セクション共通 (v5: 140->110 圧縮) ========== */
.ds-section{
  padding:110px 24px;
  position:relative;
}
.ds-section--tight{ padding:80px 24px; }
.ds-section__inner{
  max-width:1240px;
  margin:0 auto;
}

/* ========== 導入バンド ds-intro-band (v5: 120->90) ========== */
.ds-intro-band{
  padding:90px 24px;
  background:var(--bg);
  text-align:center;
}
.ds-intro-band__inner{ max-width:960px; margin:0 auto; }
.ds-intro-band__eyebrow{
  display:inline-block;
  font-size:11px;
  letter-spacing:.4em;
  color:var(--red);
  font-weight:800;
  margin-bottom:20px;
}
.ds-intro-band__title{
  font-family:"Noto Serif JP",serif;
  font-size:clamp(26px,3.2vw,40px);
  line-height:1.55;
  color:var(--ink);
  margin:0 0 26px;
  font-weight:900;
}
.ds-intro-band__text{
  font-size:15px;
  line-height:2.2;
  color:var(--ink-soft);
  max-width:760px;
  margin:0 auto;
}