.c-modal { display:none; position:fixed; inset:0; z-index:9999; }
.c-modal.is-open { display:block; }

.c-modal__backdrop {
  position:absolute; inset:0; background:rgba(0,0,0,.55);
}

.c-modal__panel{
  position:relative;   /* ← これが基準になる */
  width:min(720px, calc(100% - 32px));
  margin:12vh auto 0;
  background:#fff;
  border-radius:10px;
  overflow:hidden;
  box-shadow:0 10px 30px rgba(0,0,0,.25);
}

/* パネル右上 */
.c-modal__close{
  position:absolute;
  top:12px;
  right:14px;
  border:0;
  background:transparent;
  color:#fff;          /* 白× */
  font-size:24px;
  cursor:pointer;
}

.c-modal__header{
  padding:30px 24px 30px;
  background:#0f2f3a; color:#fff;
  text-align: center;
}
.c-modal__title{ 
  font-weight:700; 
  font-size:18px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 20px 0;
}
.c-modal__title::before {
  content: "";
  width: 60px;
  height: 60px;
  background: url("../img/icon-ad.svg") no-repeat center;
  background-size: contain;
  flex-shrink: 0;
}
.c-modal__desc{ margin-top:6px; font-size:13px; opacity:.9;display: block;text-align: center;  }

.c-modal__body{ padding:50px 24px; text-align:center; }
.c-modal__cta{
  display:inline-block;
  padding:12px 18px;
  border-radius:999px;
  background:#59e1cc;
  color:#0a2b2f;
  font-weight:700;
  text-decoration:none;
}
.c-modal__note{ margin-top:10px; font-size:12px; color:#6b7280;text-align: center;display: block; }
.c-modal__close-out{
  position:absolute;   /* ← fixed → absolute に変更 */
  top:12px;
  right:14px;
  z-index:10;          /* backdropより上ならOK */
  border:0;
  background:transparent;
  color:#fff;
  font-size:24px;
  cursor:pointer;
}