@charset "UTF-8";


/* ------------------------------------------
  開閉用ボタンのスタイル
--------------------------------------------- */

.nav-toggle {
    position: fixed;
	top: 0;
    left: 0;
	width: 75px;
    height: 50px;
    line-height: 50px;
    text-align: center;
    cursor: pointer;
    z-index: 9999;
	display: none;  /* 数秒後にフェードイン */
}

.nav-toggle span:after {
    content: "";
    display: inline-block;
    width: 75px; /* 画像サイズ */
    height: 50px; /* 画像サイズ */
    background: url("https://sumidamusuru.com/images/bt_open.png") no-repeat;
    background-size: contain;
    margin: 20px 0 0 20px;
}

/* 開閉用ボタンがクリックされた時のスタイル */
.open .nav-toggle span:after {
    content: "";
    display: inline-block;
    width: 75px; /* 画像サイズ */
    height: 50px; /* 画像サイズ */
    background: url("https://sumidamusuru.com/images/bt_close.png") no-repeat;
    background-size: contain;
    margin: 30px 0 0 30px;
}

@media (max-width: 1024px) {
.nav-toggle span:after {
	-webkit-transform: scale(0.9); /* 画像サイズ */
    margin: 10px 0 0 10px;
}
.open .nav-toggle span:after {
    margin: 20px 0 0 20px;
}
}

@media (max-width: 640px) {
.nav-toggle span:after {
}
.open .nav-toggle span:after {
}
}

/* ------------------------------------------
  モーダルウィンドウのスタイル
--------------------------------------------- */

.nav {
    position: fixed;
    display: table;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255,255,255,1);
    -webkit-transition: all .5s;
    transition: all .5s;
    visibility: hidden;
    opacity: 0;
    z-index: 9998;
}

.nav ul {
    display: table-cell;
    vertical-align: middle;
}

/* モーダルのコンテンツ部分スクロールさせる */
.modal-content {
  position: absolute;
  top: 0;
  width: 100vw;
  height: 100vh;
  padding: 60px 20px;
  box-sizing: border-box;
  overflow-y: auto; /* 縦方向のスクロールを有効にする */
  -webkit-overflow-scrolling: touch; /* スマホでのスムーズスクロール */
}

.nav li {
    width: 80%;
    height: 40px;
    line-height: 40px;
	margin: 30px auto 30px;
	padding: 0 0 30px;
    text-align: center;
	border-bottom: 2px dotted #CCC;
}

.nav li a {
	display: block;
	font-size: 18px;
	font-weight: 400;
	color: #000000;
	letter-spacing: 0.1em;
}

.nav li a:hover {
    color: #000000;
	font-weight: 600;
	opacity: 1;
}

/* 開閉用ボタンがクリックされた時のスタイル */
.open .nav {
    -webkit-transition: all .4s;
    transition: all .4s;
    visibility: visible;
    opacity: 0.95;
}

.open .nav li {
	opacity: 1;
}

.open .nav li:nth-child(1) {
	-webkit-transition: opacity 1s ease .4s;
	transition: opacity 1s ease .4s;
}
.open .nav li:nth-child(2) {
	-webkit-transition: opacity 1s ease .4s;
	transition: opacity 1s ease .4s;
}

.open .nav li:nth-child(3) {
	-webkit-transition: opacity 1s ease .5s;
	transition: opacity 1s ease .5s;
}

.open .nav li:nth-child(4) {
	-webkit-transition: opacity 1s ease .5s;
	transition: opacity 1s ease .5s;
}

.open .nav li:nth-child(5) {
	-webkit-transition: opacity 1s ease .6s;
	transition: opacity 1s ease .6s;
}

.open .nav li:nth-child(6) {
	-webkit-transition: opacity 1s ease .6s;
	transition: opacity 1s ease .6s;
}
.open .nav li:nth-child(7) {
	-webkit-transition: opacity 1s ease .7s;
	transition: opacity 1s ease .7s;
}