html { height:100%; width:100%;}

.bg_headmenu { width:100%;}

body.mode_0 td#menu_switch       { display:none;}  /* 対象外 */
body.mode_1 a#menu_switch_scroll { display:block;} /* 固定 */
body.mode_2 a#menu_switch_fixed  { display:block;} /* 追従 */

body.mode_0 div.headmenu_width,
body.mode_1 div.headmenu_width { margin:0 auto; width:984px;}/* 対象外,固定 */
body.mode_2 div.headmenu_width { margin:0 auto; width:100%; max-width:984px;}/* 追従(max-widthが肝) */

.body_984 { width:984px; margin:10px auto;}
.card_area { width:540px; border: 2px solid gray; }
.memo_area { border:2px solid gray; }
.errmsg { color:red; font-weight: bold; }
.warning { color:red; font-weight: bold; }

a:hover.icon { border: 0px; }

.card_contact_head { font-size: small; font-weight: bold; }
.card_diff { color: red; font-weight: bold; }