@import url('https://fonts.googleapis.com/css2?family=Zen+Maru+Gothic:wght@500;700;900&family=Be+Vietnam+Pro:wght@400;500;600;700;800&display=swap');
#kaiwa-ch4{
--paper:#E9EFE2;
--paper2:#DEE7D3;
--card:#FFFDF6;
--card-back:#F4EFE1;
--ink:#1E2A22;
--ink-soft:#3B4A3D;
...