[Style] Rename CFP.scss to header.scss; sparate from main

src/assets/scss/main.scss

@@ -7,7 +7,7 @@
 // components
 @import './footer.scss';
 @import './CFP/cfp_introduction.scss';
-@import './CFP/CFP.scss';
+// @import './CFP/CFP.scss';
 @import './CFP/cfpSubNew.scss';
 @import "./news.scss";
 

src/components/CFP/Header.vue

@@ -77,3 +77,7 @@ import { Component, Prop, Vue } from 'vue-property-decorator';
 @Component
 export default class CfpHeader extends Vue {}
 </script>
+
+<style lang="scss">
+@import '@/assets/scss/CFP/header.scss';
+</style>