<link href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet">
<style type="text/css">

@charset "UTF-8";

@font-face {
    font-display: swap;
}

@import url('https://fonts.googleapis.com/css?family=Noto+Serif+JP&display=swap');
body {
    font-family: 'メイリオ', 'Meiryo', sans-serif;
    font-weight: normal;
    letter-spacing: 2px;
    max-width: 100%;
    text-align: justify;
    word-break: break-all;
color: #fff;
}
@media screen and (min-width:1024px) {
body,
section {
font-size: 15px;
    line-height: 180%;
}
}
@media screen and (max-width:750px) {
body,
section {
font-size: 13px;
line-height: 200%;
}
}


* {
    font-family: 'メイリオ', 'Meiryo', sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
background-color: #000;
}



box a,
section a,
h4 a,
.left a,
.left1 a {
color: #fff;
text-decoration:none;
}

box a,
section a,
.left a:hover,
.left1 a:hover {
 color:#fff;
}
section a:hover {
font-weight: bold;
}
box a,
section a:visited,
.left a,
.left1 a {
 color:#bbbbbb;
}



/* 左下のメニュー */
#menu {
font-size: 12px;
font-weight: bold;
  position: fixed;
bottom: 0px;
  height: auto;
  white-space: nowrap;
  z-index: 104;
color: #bbbbbb;
}
@media screen and (min-width:1024px) {
#menu {
  margin: 0px 0px 0px 7px;
}
}
@media screen and (max-width:750px) {
#menu {
  margin: 0px 0px 0px 3px;
}
}
#menu li {
padding: 10px 0;
list-style: none;
  writing-mode: vertical-rl;
}
@media screen and (min-width:1024px) {
#menu a{
color: #ffffff;
text-decoration:none;
}
}
@media screen and (max-width:750px) {
#menu a{
color: #bbbbbb;
text-decoration:none;
}
}
#menu a:hover, active {
    color: #F09199;
}




.sa {color: #a1caf1}
.su {color: #f9b500}
.si {color: #d3acce}
.o {color: #e4e2d7}

.mo {color: #ffffff}

.megumi {color: #6cdae7}
.nobara {color: #ff5470}
.yuji {color: #fb7c50}
.kento {color: #cfb695}
.yuu {color: #a8c3bc} /* オパール */

.maki {color: #d9a7ac}
.toge {color: #b1cabb}
.panda {color: #c4bfb7}






f2 {
    position: relative;
    font-weight: normal;
}
img {
max-width: 100%;
height: 100%;
vertical-align: bottom;
position: fixed;
object-fit: cover;
}
.ojf {
  font-family: 'object-fit: cover;';
}


/* 文章の背景　完全透過 */
ti5 {
margin: 2em 0 0 0;
display: block;
}
h4 {
    font-weight: normal;
background-color: #000;
/*
    background-color: rgba(0, 0, 0, 70%);
*/
}
@media screen and (min-width:1024px) {
h4 {
font-size: 16px;
margin: 0 auto;
width: 70%;
padding: 2em;
}
.left {
font-size: 12px;
margin: 0 auto;
width: 70%;
padding: 0 3em 1em 3em;
}
.left1 {
font-size: 12px;
margin: 0 auto 2em auto;
width: 70%;
padding: 1em 3em;
}
}
@media screen and (max-width:750px) {
h4,
.left {
font-size: 13px;
margin: 2em auto;
width: 90%;
}
.left1 {
font-size: 13px;
margin: 0 auto 2em auto;
width: 90%;
}
ti5 {
font-size: 14px;
margin: 3em 0 0 0;
display: block;
}
}


/* 下部テキスト　題名　戻るボタン  */
.left {
    font-weight: normal;
    text-align: left;
color: #f1f2f3;
}






/* ロード */
.road { animation: 2s slidein; 
height: 1px;
    margin: 0px 0px 5px 0px;
  background: #dddddd;
  transform-origin: left center;
}

@keyframes slidein {
  from { transform: scaleX(0); 
opacity: 0; }
  to   { transform: scaleX(1);
opacity: 1; }
}
}


/* タイトル・色文字  */
ti {
font-size: 16px;
padding: 2px 0px 0px 0px;
}
siro {
color: #fff;
}
ero {
color:#F09199;
}




/* 左右に分かれる  */
header {
color: #e4e2d7;
padding: 2px 0px 10px 14px;
}
@media screen and (min-width:1024px) {
header{
font-size: 13px;
}
}
@media screen and (max-width:750px) {
header {
font-size: 11px;
}
}


section {
margin: 0px 0px 0px 0px;
padding: 2px 0px 0px 14px;
    width: 100%;
}
section a{
border-bottom: thin dashed #999999;
}


/* メインページボックス */
.box{
 text-align:left;
max-width: 100%;
    background-color: rgba(0, 0, 0, 60%);
padding: 2em;
}
@media screen and (min-width:1024px) {
.box {
margin: 2em auto;
width: 75%;
  }
.wrapper {
 justify-content:center; 
 display: flex;
  }
}
@media screen and (max-width:750px) {
.box{
margin: 2em auto;
width: 90%;
}


center{
display:block;
margin:0 auto;
}

</style>



<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<script>

$(function() {
var _window = $(window),
    _header = $('.st'),
    heroBottom;
_window.on('scroll',function(){     
    heroBottom = $('.back').height();
    if(_window.scrollTop() > heroBottom){
        _header.addClass('fixed');   
    }
    else{
        _header.removeClass('fixed');   
    }
});
_window.trigger('scroll');

   $('a[href^=#]').click(function() {
      var speed = 600;
      var href= $(this).attr("href");
      var target = $(href == "#" || href == "" ? 'html' : href);
      var position = target.offset().top;
      $('body,html').animate({scrollTop:position}, speed, 'swing');
      return false;
   });

});
</script>