.section{margin-block:5%;.section__contents,.section__footer,.section__header{margin-block:min(5%,40px) 0}}.block{margin-block:4%;.block__contents{margin-block:min(4%,30px) 0}}.box{margin-block:3%;.box__contents{margin-block:min(3%,20px) 0}}.layout_2column{display:flex;flex-direction:column;gap:1em;@media (width > 768px){flex-direction:row;.layout_2column__left,.layout_2column__right{width:calc(50% - .5em)}}}