@charset "utf-8";

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@100..900&family=Noto+Sans:ital,wght@0,100..900;1,100..900&family=Noto+Serif:ital,wght@0,100..900;1,100..900&display=swap');

/* CSS Document */
/* html all ----------------------------------------------------------- */
*,*:before,*:after {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

html { 
  font-size: 62.5%; /*rem算出をしやすくするために*/
  scroll-behavior: smooth;
  overflow: auto;
}

/* html end ----------------------------------------------------------- */

/* body ----------------------------------------------------------- */
body {
  margin: 0;
  padding: 0;
  font-size: clamp(0.9375rem,1.7vw,15px);
  font-family: "Helvetica Neue","Arial","Noto Sans","Hiragino Sans","Meiryo","Hiragino Kaku Gothic ProN",system-ui,-apple-system,BlinkMacSystemFont,sans-serif;
  font-style: normal;
  font-weight: 500;
  letter-spacing: 1px;
  line-height: 2;
  -webkit-text-size-adjust: 100%;
  text-spacing-trim: space-all;
  word-break: break-word;
  background: #fff;
  color: #333;
}

/* image all */
img { vertical-align: middle;}

/* display */
.pc { display: initial;}
.sp { display: none;}

/* body end ----------------------------------------------------------- */

/* header ----------------------------------------------------------- */
header {
  width: 100%;
  height: 220px;
  margin: 0 auto;
  position: relative;
}
.logo { text-align: center;}
.logo img{ max-width: 1100px; width: 100%;}

/* header end ----------------------------------------------------------- */

/* bace ----------------------------------------------------------- */
#wrap {
  width: 100%;
  height: auto;
  margin-top: 3px;
  padding: 30px 0 35px;
  background-color: #F9FBFD;
  box-shadow: 0px 2px 4px grey inset;
}
.content {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: space-around;
  align-content: center;
  max-width: 1100px;
  width: 100%;
  min-height: 100%;
  margin: 0 auto;
  padding: 0;
}

/* bace end ----------------------------------------------------------- */

/* sidebar ----------------------------------------------------------- */
.sidebar {
  -webkit-flex: 1;
  flex: 0 0 1;
  max-width: 200px;
  width: 100%;
  margin: 0 20px;
}
.sidebar ul {
  text-align: left;
  font-size: clamp(1rem,8vw,16px); /* 16÷200×100=8 */
}
.sidebar li {
  letter-spacing: 1px;
  list-style: none;
}
.sidebar a:hover { text-decoration: none;}
.sidebar h4 {
  margin: 15px 0 10px;
  padding-left: 10px;
  background-color: #3C6584;
  color: aliceblue;
  box-shadow: 0 2px 6px rgba(0, 0, 0, .15);
}
.sidebar p {
  padding-left: 10px;
  font-size: clamp(0.8125rem,1.5vw,13px);
}

/* sidebar end ----------------------------------------------------------- */

/* menu ----------------------------------------------------------- */
.menu{ position: relative;}
.menu li{ 
  padding: 0.7em 0 0;
  border-bottom: solid 1px gray;
}
.menu li a {
  display: inline-block;
  width: 200px;
  height: 35px;
  font-weight: 600;
  padding: 0 0.5em 0 1.5em;/* 矢印のスペース確保 */
  -webkit-transition: .4s;
  transition: .4s;
  color: #172044;
}
.menu li a:hover {
  color: #FF3333;
  padding-left: 1.7em;
  padding-right: 1.3em;
}

/* double-arrow ≫ ---------------------------- */
.double-arrow li a { position: relative;}

/* 共通の矢印スタイル */
.double-arrow li a::before,
.double-arrow li a::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  width: 6px; /* 矢印の大きさ */
  height: 6px;
  -webkit-transition: .4s;
  transition: .4s;
  border-top: 1px solid #172044; /* 線の色と太さ */
  border-right: 1px solid #172044;
  transform: translateY(-50%) rotate(45deg); /* 中央寄せと回転 */
}

/* 1つ目の矢印を少し左にずらす */
.double-arrow li a::before { left: 5px;}

/* 矢印hover */
.double-arrow li a:hover,
.double-arrow li a:hover::before,
.double-arrow li a:hover::after{
  left: 2px;
  border-color: #FF3333;
}
.double-arrow li a:hover::before{ left: 7px;}

/* menu end ----------------------------------------------------------- */

/* main ----------------------------------------------------------- */
.main {
  -webkit-flex: 1;
  flex: 1;
  max-width: 900px;
  width: 100%;
  margin: 0;
  padding: 0 20px;
}
.home-image {
  box-shadow: 0 0 10px grey;
  margin-bottom: 15px;
}

/* main end ----------------------------------------------------------- */

/* font ----------------------------------------------------------- */
h1,h2,h3,h4,h5,h6,.menu,.btn,th,dt,caption{
  font-family: "Noto Sans", sans-serif;
  font-optical-sizing: auto;
  font-weight: 700;
  font-style: normal;
}

/* font end ----------------------------------------------------------- */

/* text ----------------------------------------------------------- */
/* size 
<h1>&footer=***（px指定数）÷1905（画面全体サイズ）×100＝vwの数字（小数点切り上げ）
その他= ***（px指定数）÷860（mainの数値）×100＝vwの数字（小数点切り上げ）で計算 */
h1{ font-size: clamp(3rem,2.5vw,48px);}
h2,.larger{ font-size: clamp(1.5625rem,2.9vw,25px);}
h3,.large,.btn{ font-size: clamp(1.25rem,2.3vw,20px);}
h4{ font-size: clamp(1.125rem,2.1vw,18px);}
h5,.large > .small,.accordion-area h4{ font-size: clamp(1rem,1.9vw,16px);}
h6,.p_text, footer small{ font-size: clamp(0.9375rem,1.7vw,15px);}
.small,.program h4 span{ font-size: clamp(0.875rem,1.6vw,14px);}

/* text-header */
h1,h2,h3,h4,h5,h6,p { margin: 0; letter-spacing: 1px;}
.info h2 {
  margin-bottom: 20px;
  padding-left: 10px;
  color: aliceblue;
  background-color: #20609F;
  box-shadow: 0 2px 6px rgba(0, 0, 0, .15);
}
.info h3 {
  padding-left: 12px;
  margin-bottom: 10px;
  border-bottom: 3px double #969696;
}
.info h4 {
  padding-left: 12px;
	margin-bottom: 3px;
  color: #3C6584;
}
.info h5 { color: #20609F;}

/* <p>～</p> */
p { margin-left: 22px;}
p.top { margin-top: 10px;}
p.mtop { margin-top: -10px;}
p.bottom { margin-bottom: 10px;}

/* ※ */
.note,.tri,.dia {
  position: relative;
  margin: 0 0 0 22px;
  padding-left: 20px;
}
.note::before {
  content: "※";
  position: absolute;
  top: 0;
  left: 0;
}

/* ▶ */
.tri::before {
  content: '';
  width: 18px;
  height: 18px;
  background: none;
  outline: none;
  border-radius: 50%;
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  margin: auto;
}
.tri:after{
  content: '';
  width:0;
  height:0;
  border-style:solid;
  border-width: 8px 0 8px 12px;
  border-color: transparent transparent transparent #20609F;
  position: absolute;
  top: 0;
  left: 4px;
  bottom: 0;
  margin: auto;
}

/* ◆ */
.dia::before{ content: "\025c6"; top: 2px; left: 1px; color: #20609F;}

/* text end ----------------------------------------------------------- */

/* greeting ----------------------------------------------------------- */
.greeting{ margin-bottom: 30px;}
.greeting p{ margin: 0; padding: 10px 20px;}
.greeting .right{ padding-right: 20px;}

/* greeting end ----------------------------------------------------------- */

/* box ----------------------------------------------------------- */
/* box all:n-box */
.n-box{
  margin: 10px auto;
  padding: 10px 15px;
  border: 3px solid #95b6c9;
  background: rgba(255,255,255,0.7);
}
.n-box.bottom{ margin-bottom: 30px;}
.w70{ max-width: 700px; width: 100%;}

/* box end ----------------------------------------------------------- */

/* list ----------------------------------------------------------- */
/* list all */
ul,ol {
  margin: 0;
  padding: 0;
}
.list ul,
.list ol {
  list-style-position: outside;
  margin: 10px 0 10px;
  counter-reset: pn1 pn2 ast;
}
.list ul li{ margin: 0 20px 0 40px;}
.list ol li{ margin: 0 20px 0 43px;}
.list li > li{ margin-left: 25px;}
.list td > ul li{ margin-left: 25px;}
.list td > ol li{ margin-left: 40px;}
.list li > p{ margin-left: 0;}
.list li > .period dl{ margin: 0;}
.list .bottom li { margin-bottom: 20px;}
.list li > .note{
  margin-left: 0;
  text-indent: 0;
}

/* ol all ------------------------------- */
ol li{ list-style-type: decimal;}
/* ＊1 */
ol.ast li{ counter-increment: ast; margin-left: 48px; padding-left: 10px;}
ol.ast li::marker{ content: "＊" counter(ast) "";}

/* ul disc */
.list ul li,.list ol > ul li{ list-style-type: disc;}
.list ul li::marker{ color: #3C6584;}

/* list end ----------------------------------------------------------- */

/* link ----------------------------------------------------------- */
a { text-decoration: none; color: #3583aa;}
a:hover { text-decoration: underline;}
a img:hover { filter: brightness(120%);}

/* link end ----------------------------------------------------------- */

/* table ----------------------------------------------------------- */
/* table all */
table{
  width: 100%;
  -webkit-text-size-adjust: 100%;
  border-spacing: 0;
  border-collapse: collapse;
  margin: auto;
}
th,td{ 
  min-width: 3em;
  vertical-align: middle;
  white-space: normal;
  word-break: break-word;
  overflow-wrap: break-word;
}
th{
  padding: 10px 0;
  border-bottom: solid 2px #003366;
}
td{
  padding: 10px 0;
  border-bottom: solid 2px #ddd;
}
.table { display: table; margin: 10px auto 20px;}

/* event */
.event table{ max-width: 860px; margin: 0 auto 40px;}
.event th,.event td{ padding: 10px 20px;}
.event th{ width: 140px; vertical-align: top;}
.event td{ width: 680px; text-align: left;}
.event table > img{
  max-width: 140px;
  width: 100%;
}

/* fee */
.fee table{ max-width: 600px; margin-bottom: 40px;}
.fee th,.fee td{ width: 300px; text-align: center; font-weight: 700;}

/* table end ----------------------------------------------------------- */

/* button ----------------------------------------------------------- */
/*ボタン設定--まずはお決まりのボックスサイズ算出をborer-boxに */
.btn,a.btn,button.btn {
  font-weight: 700;
  line-height: 1.5;
  position: relative;
  display: inline-block;
  padding: 1rem 4rem;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
  text-align: center;
  vertical-align: middle;
  text-decoration: none;
  letter-spacing: 0.1em;
  border-radius: 0;
  color: #fff;
}
a.btn:hover{ opacity: 0.8;}
.btn-box {
  display: flex;
  justify-content: space-around;
  margin: 20px auto;
}
.btn-box img{ max-width: 250px; width: 100%;}

/* button */
.btn-1 {
	background-color: #ff8c00; /* 色設定 */
  border: 4px double #fff;
  width: 300px;
}

/* btn-online */
.btn-online {
	background-color: #ff8c00; /* 色設定 */
  max-width: 200px;
  width: 100%;
  height: auto;
  border: 2px dashed rgba(255, 255, 255, 0.7);
  padding: 2rem 2rem;
}

/* button end ----------------------------------------------------------- */

/* flow ----------------------------------------------------------- */
/* important */
.important h4,.important p{ color: #dc143c;}

/* ※＜重要＞ */
.imp-box{
  margin: 10px auto;
  padding: 10px;
  border-radius: 10px;
  background-color: rgba(188,221,221,0.5);
}
.imp-box dl{
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  justify-content: flex-start;
  width: 100%;
  margin: 0;
}
.imp-box dt{
  display: inline-block;
  max-width: 100px;
  width: 100%;
  height: auto;
  margin: 0;
  padding: 0;
  font-weight: 600;
  vertical-align: middle;
}
.imp-box dd{ /* ※＜重要＞ */
  max-width: 530px;
  width: 100%;
  margin: 0;
  padding: 0;
  font-weight: 600;
  vertical-align: middle;
}

/* flow */
.flow{
  max-width: 650px;
  width: 100%;
  margin: 50px auto 0;
}
.flow-box{
  max-width: 450px;
  width: 100%;
  display: block;
  text-align: center;
  margin: 10px auto 20px;
}
.flow-arrow{
  display: inline-block;
  vertical-align: middle;
  color: #020873;
  line-height: 1;
  width: 2em;
  height: 2em;
  border: 0.3em solid currentColor;
  border-left: 0;
  border-bottom: 0;
  box-sizing: border-box;
  transform: translateY(-25%) rotate(135deg);
  margin: 10px auto 20px;
}
button.btn-flow{
  max-width: 450px;
  width: 100%;
  height: 70px;
  font-size: clamp(1.0625rem,2.0vw,17px);
  border-radius: 1.0rem;
  font-weight: 600;
  line-height: 20px;
  cursor: default;
  border-radius: 10px;
  border: none;
	background-color: #020873;
}
button.btn-flow span{
  font-size: clamp(0.8125rem,1.5vw,13px);
  font-weight: 500;
}

/* flow end ----------------------------------------------------------- */

/*program ----------------------------------------------------------- */
/* program all */
.program h3 {
  line-height: 40px;
  margin-bottom: 40px;
  padding-left: 8px;
  border-left: 8px solid #1A7AA8;
  border-bottom: 1px solid #DBDBDB;
}
.program h4 {
  margin: 0 0 10px;
	padding: 5px 0 5px 10px;
  line-height: 1.5;
	border-bottom: 3px double #DBDBDB;
  color: #333;
}
.program h4.date { 
  margin-bottom: 0;
  padding-left: 10px;
  border-bottom: none;
}
.program h4 > .chair{
  text-align: right;
  font-weight: 400;
}
.program h5 {
	padding-left: 15px;
	margin-bottom: 15px;
  color: #333;
}
.program h5 span{ font-weight: 400;}

/* p_section */
.p_section {
  display: flex;
  flex-wrap: nowrap;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  margin: 10px auto 40px;
}
.p_section.re{ flex-direction: row-reverse;}
.p_section p { padding-left: 15px;}

/* p_text */
.p_text{ max-width: 700px; width: 100%;}
.p_text p{ margin: -5px 0 5px;}

/* p_photo */
.p_photo {
  max-width: 120px;
  width: 100%;
	margin: 0 10px 15px;
}
.p_photo img{
  max-width: 120px;
  width: 100%;
}

/*program end ----------------------------------------------------------- */

/* accordion ----------------------------------------------------------- */
/*アコーディオン全体*/
.accordion-area{
  list-style: none;
  width: 96%;
  max-width: 900px;
  margin: -30px auto 40px;
}
.accordion-area li{
  list-style-type: none;
  margin: 0;
}
.accordion-area section {
  margin: 0;
  padding: 0;
  border: none;
}
.accordion-area h4{
  padding-left: 40px;
  margin-bottom: 10px;
  border-bottom: none;
}

/*アコーディオンタイトル*/
.title {
  position: relative;/*+マークの位置基準とするためrelative指定*/
  cursor: pointer;
  font-weight: bold;
  padding: 5px;
  transition: all .5s ease;
  border-radius: 20px;
  color: 	#474748;
  filter: brightness(110%);
}
.title.ab{ border: 5px solid #C9D084; background-color: #C9D084;}
.title.cv{ border: 5px solid #84AAD0; background-color: #84AAD0;}
.title.aw{ border: 5px solid #D0848C; background-color: #D0848C;}

/*アイコンの＋と×*/
.title::before,.title::after{
  position: absolute;
  content:'';
  width: 10px;
  height: 2px;
  background-color: #474748;
}
.title::before{
  top:48%;
  left: 15px;
  transform: rotate(0deg);
}
.title::after{    
  top:48%;
  left: 15px;
  transform: rotate(90deg);
}

/*　closeというクラスがついたら形状変化　*/
.title.close::before{ transform: rotate(45deg);}
.title.close::after{ transform: rotate(-45deg);}

/*アコーディオンで現れるエリア*/
.box {
  display: none;/*はじめは非表示*/
  background: #F9FBFD;
  margin:0;
  padding: 1% 1% 2%;
}

/* accordion end ----------------------------------------------------------- */

/* arrow ----------------------------------------------------------- */
/*リンクを右下に固定*/
#arrow {
  position: fixed;
  bottom: 8%;
  right: 1%;
  z-index: 2;
   /*はじめは非表示*/
  opacity: 0;
  transform: translateY(100px);
}
#arrow a {
  /*天地中央にテキストを配置*/
  display: flex;
  align-items: center;
  justify-content: center;
  /*円の形状*/
  width: 60px;
  height: 60px;
  box-sizing: border-box;
  padding: 0 20px;
  font-size: 25px;
  line-height: 80px;
  text-align: center;
  text-decoration: none;
  transition: all 0.3s;
  border-radius: 50%;
  outline: 1px solid #84AAD0;
  background: #84AAD0;
  color: #F9FBFD;
}
#arrow a:hover {
  outline: 1px solid #C9D084;
  background: #C9D084;
  color: #F9FBFD;
}

/*　上に上がる動き　*/
#arrow.upmove{ animation: UpAnime 0.5s forwards;}
@keyframes UpAnime{
  from { opacity: 0; transform: translateY(100px);}
  to { opacity: 1; transform: translateY(0);}
}

/*　下に下がる動き　*/
#arrow.downmove{ animation: DownAnime 0.5s forwards;}
@keyframes DownAnime{
  from { opacity: 1; transform: translateY(0);}
  to { opacity: 1; transform: translateY(100px);}
}

/* arrow up */
a.arrow-up {
  display: block;
  position: relative;
  text-align: center;
  background: currentColor;
}
a.arrow-up::after {
  content: '';
  position: absolute;
  width: 0.6em;
  height: 0.6em;
  box-sizing: border-box;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  border-bottom: 0;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
  transform: translateY(3px) rotate(-45deg);
  transform-origin: top right;
  top: 35%;
  bottom: 0;
  right: 50%;
}
a.arrow-up:hover::after{ transform: translateY(-5px) rotate(-45deg);}

/* arrow end ----------------------------------------------------------- */

/* icon ----------------------------------------------------------- */
/* icon all */
.material-symbols-outlined {
  font-variation-settings:
  'FILL' 1,
  'wght' 400,
  'GRAD' 0,
  'opsz' 24;
  vertical-align: middle;
}

/* アイコン装飾用css */
.icon{
  margin: 0 5px;
  padding: 0 0 5px;
  text-decoration: none;
  text-shadow: none;
}

/* icon-circle */
.icon.i-c{
  padding: 5px;
  border-radius: 50%;
  color: #F9FBFD;
  background-color: #84AAD0;
}
a > .icon.i-c:hover{
  color: #F9FBFD;
  background: #C9D084;
}

/* icon end ----------------------------------------------------------- */

/* deco ----------------------------------------------------------- */
.red { color: #dc143c;}
.bold{ font-weight: bold;}
.center{ text-align: center;}
.right{ text-align: right;}
.under{ text-decoration: underline;}

/* deco end ----------------------------------------------------------- */

/* footer ----------------------------------------------------------- */
footer {
  width: 100%;
  text-align: center;
  color: #FCFCFC;
  padding: 20px 0;
  background-color: #00001E;
  position: rerative;
  bottom: 0;
}

/* footer end ----------------------------------------------------------- */

/* 768px ----------------------------------------------------------- */
@media screen and (max-width: 767px) {
  /* body --------------------------------------*/
  .pc{ display: none;}
  .sp{ display: initial;}

  /* header --------------------------------------*/
  header{ height: auto;}

  /* menu -------------------------------------- */
  /* ハンバーガー はじまり */
  /* ハンバーガーアイコンの設置スペース */
  .menu-btn {
    height: 50px;
    width: 55px;
    position: fixed;
    z-index: 9999;
    cursor: pointer;
    top: 2px;
    right: 5px;
    background: none;
  }

  /* ×に変化 */
  .menu-btn span{
    display: inline-block;
    transition: all .4s;
    position: absolute;
    left: 14px;
    width: 50%;
    height: 3px;
    border-radius: 2px;
    background-color: #042c66;
  }
  .menu-btn span:nth-of-type(1){ top: 15px;}
  .menu-btn span:nth-of-type(2){ top: 23px;}
  .menu-btn span:nth-of-type(3){ top: 31px;}
  .menu-btn.active span:nth-of-type(1){
    top: 18px;
    left: 14px;
    transform: translateY(6px) rotate(-45deg);
    width: 50%;
  }
  .menu-btn.active span:nth-of-type(2){ opacity: 0;}
  .menu-btn.active span:nth-of-type(3){
    top: 30px;
    left: 14px;
    transform: translateY(-6px) rotate(45deg);
    width: 50%;
  }
   /* ナビゲーション（メニュー） */
  .menu{
    /*position:fixed;にし、z-indexの数値を小さくして最背面へ*/
    position: fixed;
    z-index: -1;
    opacity: 0; /*はじめは透過0*/
    /*ナビの位置と形状*/
    top: 0;
    right: 0; /* 右寄せで開く */
    width: 70%; /* デフォルト：100% */
    height: 100vh;
    background: #fff;
    /*動き*/
    transition: all 0.3s;
  }
  /*アクティブクラスがついたら透過なしにして最前面へ*/
  .menu.panelactive{
    opacity: 1;
    z-index: 999;
  }
  /*ナビゲーションの縦スクロール*/
  .menu.panelactive .menu-list{
  /*ナビの数が増えた場合縦スクロール*/
    position: fixed;
    z-index: 999;
    width: 100%;
    height: 100vh;
    overflow: auto;
    -webkit-overflow-scrolling: touch;
  }
  /*ナビゲーション*/
  .menu ul{
    display: none;
    /*ナビゲーション天地中央揃え*/
    position: absolute;
    z-index: 999;
    top: 20%; /* デフォルト：50% */
    left: 8%; /* デフォルト：50% */
    transform: translate(0,-50%);/* デフォルト：-50%,-50% */
  }
  .menu.panelactive ul{ display: block;}
  .menu li a{ padding: 0.9rem 0.5em 0.9rem 1.5em;}
  .menu .btn-box{ justify-content: flex-start; margin: 50px 0 0; padding: 0 10%;}
  /* ナビゲーション（メニュー）おわり */

  /* main --------------------------------------*/
  #wrap { padding-top: 0;}
  .main{ margin-top: 20px;}

  /* text --------------------------------------*/
  p{ margin-left: 10px;}
  .note{ margin-left: 10px;}

  /* list --------------------------------------*/
  .list ul li,.list ol li{ margin-left: 22px;}

  /* table --------------------------------------*/
  .event th,.event td{ display: block; width: 100%;}

  /* button --------------------------------------*/
  .btn,a.btn,button.btn{ padding: 1rem 1rem;}

  /* flow --------------------------------------*/
  .imp-box dl{
    flex-direction: column;
    flex-wrap: wrap;
  }
  .imp-box dd{ width: auto;}

  /* arrow --------------------------------------*/
  #arrow a{ width: 50px; height: 50px;}
}