/*
======== table of content. ===============

summary:レスポンシブ基本要素

==========================================
*/

@media screen and (min-width: 801px) {
.sec_col3 .sec_col3_inner { margin:0 -40px -20px 0; }
.sec_col3 .col { margin:0 40px 20px 0; }
}

@media screen and (min-width: 641px) and (max-width: 800px) {
}

@media screen and (max-width: 640px) {
}