/* wrap ******************************/
/** container*************************/
/** section ************** chapter ***/
/** pack_left * pack_right ***********/
/**           * * main ***************/
/*************************************/
/**           * appendex *************/
/**           * headline *************/
/**           * extent ***************/
/**           * * advance ************/
/**           * **********************/
/**           * * anchor×3      *****/
/* ***********************************/

#wrap{
  margin	:0 auto;
  padding-top	:10px;
  padding-bottom:25px;
  max-width	:768px; 
  line-height	:1.4;
  font-family   :sans-serif; 
  font-weight	:bold;
  font-size	:larger; 
}

.section{
  float		:left; 
  width		:57%;
  color		:darkgreen;
}

.chapter{
  float		:right; 
  width		:38%; 
  text-align	:right; 
  font-size	:small; 
  padding-top   :4px; 
  color		:darkgreen;
}

.cb{
  clear: both ;
}

.container{
  margin	:auto;
  max-width	:100%;
  line-height:1.5;
}

.pack_left{
  float		:left;
  padding-top	:7px;
  width		:22px;
  color		:darkgreen;
}

.pack_right{
  float      :left;
  width      :740px;
  background-color:whitesmoke;
}

.pack_right_navigation{
  float      :left;
  width      :740px;
  font-size  :smaller;
}

.main{
  width      :720px;
  margin:0px 8px 0px 12px;
}

a{
  color		:gray;
  text-decoration:none;
}

a:hover{
  color		:dimgray;
  background	:lightgray;
}

.forward{
  height	:26px;
  background	:whitesmoke;
  cursor	:pointer;
  padding	:2px 4px 0px 4px;
  border	:solid 2px silver;
  border-radius	:5px;
}

.forward:hover{
  background	:lightgray;
}

.anchor{
  float		:left; 
  margin-bottom	:5px;
  padding-top	:0px; 
}

.moset{
  color:whitesmoke;
  text-align:center;
  border:1px solid black;
  padding:0px 5px 0px 5px;
}

.answer{
  color: red;
}

/* 追記の全体宣言（スコープ宣言） */ 
.appendix{
  border-bottom:0;
}

/* 拡張のための見出し */
.appendix .headline{
  margin-left:20px;  
  display: block;
  height: 25px;
  text-align: center;
  background: whitesmoke;
  cursor: pointer;
  border: solid 2px silver;
  border-radius	:5px;
  color		:gray;
}

/* 見出しのフォーカス設定 */
.appendix .headline:hover{
  background	:lightgray;
}

/* 拡張する全体範囲 */
.appendix .extent{
  margin-top:15px;
  overflow: hidden;
  max-height: 0;
  transition: max-height 0s ease-out 0s;
}

/* 拡張したときの表示内容 */
.appendix .advance{
  width      :720px;
  margin:0px 8px 0px 12px;
}
 
/* 拡張命令用チェックの表示 */
.appendix .trigger{
  display: none;
}

/* 表示拡張の設定 */
.appendix .trigger:checked + .extent{
  max-height: 9999px;
  transition: max-height 0.5s ease-in;
}

/***** Summary and Review *****/
.sr_wrap{
  z-index: 999;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 40px 10px;
  text-align: center;
}

.sr_wrap:not(:target){
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s, visibility .3s;
}

.sr_wrap:target{
  opacity: 1;
  visibility: visible;
  transition: opacity .4s, visibility .4s;
}

.sr_wrap::after{
  display: inline-block;
  height: 100%;
  margin-left: -.05em;
  vertical-align: top;
  content: "";
}

.sr_wrap .sr_board{
  box-sizing: border-box;
  display: inline-block;
  z-index: 20;
  position: relative;
  width: 70%;
  max-width: 600px;
  padding: 15px 10px 10px 20px;
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 0 30px rgba(0, 0, 0, .6);
  vertical-align: middle;
}

.sr_wrap .sr_board .sr_content{
  max-height: 50vh;
  overflow-y: auto;
  text-align: left;
}

.sr_overlay{
  z-index: 10;
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  opacity: 0;
}

.sr_wrap .sr_close{
  z-index: 20;
  position: absolute;
  top: 0;
  right: 0;
  width: 35px;
  color: #95979c !important;
  font-size: 20px;
  font-weight: 700;
  line-height: 35px;
  text-align: center;
  text-decoration: none;
  text-indent: 0;
}

.sr_wrap .sr_close:hover{
  color: #2b2e38 !important;
}

.box1 {
  padding:10px 20px 7px 20px;
  border: dashed 2px black;
  border-radius: 10px;
}

.box2 {
  padding:7px 15px 4px 15px;
  border: solid 1px black;
}