@charset "UTF-8";
@import url('https://fonts.googleapis.com/css2?family=M+PLUS+2:wght@100..900&family=Murecho:wght@100..900&display=swap');

html{
    scroll-behavior: smooth;
    font-size: 90%;
}

body {
font-family: "M PLUS 2", sans-serif;

color: #525252;
  display: flex;
  flex-direction: column;
  gap: 1ch;
padding: 2ch;
background-color:#f5f5f5;
    width: 100%;
    max-width: 1000px;
    margin: auto;
}

.ma{
margin-bottom:15px
}

footer {
color: #C0C0C0;
font-size: 0.7em;
text-align: center;
}

/*ナビ*/
nav{
text-align: center;
}
nav ul{
margin: 0 ;
padding: 0 ;
}
nav ul li{
list-style: none;
display: inline-block;
width: 18%;
min-width: 90px;
}
nav ul li a{
text-decoration: none;
color: #333;
}
nav ul li.current a{
color: #F33135;
}
nav ul li a:hover{
color: #E7DA66;
}

/*タイトル*/
.heading-26{
text-align: center;
}
.heading-26:first-letter {
    color: #608071;
    font-size: 2em;
}

/*見出し*/
.heading-1 {
    padding: .5em .7em;
    border-left: 5px solid #72dfc4;
}

/*上に戻る*/
.gotop{
    display: block;
    width: 60px;
    height: 60px;
    box-sizing: border-box;
    background: #FFF;
    border: 1px solid #999;
    padding-top: 30px;
    text-align: center;
    letter-spacing: -1px;
    font-size: 85%;
    text-decoration: none;
    color: #333;
    opacity: 0.5;
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 10000;
}
.gotop::before{
    content: "";
    display: block;
    border-top: 2px solid #333;
    border-right: 2px solid #333;
    width: 25%;
    height: 25%;
    top: 25%;
    left: 0;
    right: 0;
    margin: auto;
    position: absolute;
    transform: rotate(-45deg);
}
.gotop:hover{
    opacity: 1;
}
@media(max-width:750px){
    .gotop{
        width: 40px;
        height: 40px;
        text-indent: -9999px;
        opacity: 1;
        border: none;
        background: rgba(255,255,255,0.5);
        bottom: 10px;
        right: 10px;
    }
    .gotop::before{
        bottom: 0;
    }
}

/*フォーム用*/
  .container {
    position: relative;
    width: 100%;
    overflow: hidden;
    padding-top: 100%;
  }
  .responsive-iframe {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    width: 100%;
    height: 100%;
    border: none;
  }

/*更新履歴*/
<!--
*, *:before, *:after {-moz-box-sizing: border-box; -webkit-box-sizing: border-box; box-sizing: border-box;}
.info {margin: 1em auto;padding: 0 1.5em;border: 1px solid #ccc;text-align: left;font-size: 1em;line-height: 1.3;color: #444;overflow: auto;width: 90%;height: 10em;background-color: #fcfcfc;}
.info dl {padding: 0.5em 0;border-bottom: 1px solid #ccc;}
.info dt {padding-bottom: 0;width: 6em;}
@media screen and (min-width: 480px) {
.info dt {clear: left;float: left;}
.info dd {margin-left: 0.5em;}
}
-->