<!DOCTYPE html>
<style>
div {
  white-space: nowrap;
  border: solid orange;
  width: min-content;
  font-size: 10px;
  font-family: Ahem;
  color: transparent;
}
span {
  white-space: normal;
}
</style>
<div><span>very long line is very long</span></div>
<div><span>very long line is very long</span> </div>
<div><span><span>very long line is very long</span></span></div>
<div><span style="white-space: inherit"><span>very long line is very long</span></span></div>
<div><span style="white-space: inherit"> <span>very long line is very long</span></span></div>
<div><span style="padding: 1px">very long line is very long</span></div>