* {
	box-sizing: border-box;
}

html,
body {
	height: 100%;
	margin: 0;
	scroll-behavior: smooth;
}

video {
	width: 100%;
}

.twitter {
	padding: 0 20px;
	margin: auto;
}

.twitter_box {
	height: 300px;
	overflow: scroll;
}

.youtube_box {
	position: relative;
	width: 100%;
	height: 0;
	padding-top: 56.25%;
}
.youtube_box iframe {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
}

.btn_group {
	position: fixed;
	bottom: 10px;
	right: 10px;
}
.btn2 {
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	width: 50px;
	height: 50px;
	background: #333;
	border-radius: 10px;
	text-decoration: none;
	transition: 0.1s;
	filter: drop-shadow(2px 3px 3px rgba(0, 0, 0, 0.5));
}
.btn2::before {
	content: "";
	width: 6px;
	height: 6px;
	border: 3px solid;
	border-color: #fff transparent transparent #fff;
	transform: rotate(45deg);
	margin-top: 2px;
}
.btn2::after {
	content: "TOP";
	color: #fff;
	font-weight: bold;
	font-size: 13px;
}
.btn2:hover {
	filter: drop-shadow(1px 1px 1px rgba(0, 0, 0, 0.5));
}

swiper-container {
	width: 100%;
	height: 100%;
}

swiper-slide {
	text-align: center;
	font-size: 18px;
	display: flex;
	justify-content: center;
	align-items: center;
}

swiper-slide img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.lightbox {
	position: relative;
}

input[type="checkbox"] {
	display: none;
}

input[type="checkbox"]:checked + img + .modal {
	display: flex;
}

.modal {
	display: none;
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: rgba(0, 0, 0, 0.8);
	justify-content: center;
	align-items: center;
	z-index: 9999;
}

.content {
	width: auto;
	height: 90%;
	overflow: hidden;
}

.content img {
	height: auto;
	max-height: 100%;
	width: auto;
}

/*トップメニュー設定*/
#menu {
	position: fixed;
	width: 100%;
	top: 0;
	display: flex;
	justify-content: space-between;
	align-items: flex-end;
	/*    background: rgba(255, 255, 255, 0.3);
    background-size: cover;
    padding: 2px;
    border-bottom: 0px solid #D5C6B8;
    border-right: 0px solid #D5C6B8; */
	z-index: 9999;
}
.navi {
	width: 100%;
}
.navi ul {
	display: flex;
	justify-content: flex-end;
	align-items: flex-end;
}
.brand-image img,
.navi ul li {
	filter: drop-shadow(2px 2px 0.1px rgba(0, 0, 0, 1));
}
.navi ul li {
	width: 22%;
}
.brand-image {
	width: 72%;
	justify-content: space-evenly;
}
.navi ul li a:hover {
	transition: all 0.3s ease-in-out;
	filter: brightness(130%);
}
.shadow_img {
	filter: drop-shadow(2px 2px 0.1px rgba(0, 0, 0, 1));
}