/* =========================================================
   Component / Glow
   ヒーロー系セクション（トップ・ポートフォリオ詳細・アーカイブ）で
   共通して使う背景の発光オーブ
   ========================================================= */
.c-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.5;
}
.c-glow--1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(124,58,237,0.4) 0%, transparent 70%);
  top: -100px;
  right: -100px;
}
.c-glow--2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(37,99,235,0.3) 0%, transparent 70%);
  bottom: 50px;
  left: -50px;
}