body {
	font-family: 'Helvetica Neue', 'Hiragino Kaku Gothic ProN', '游ゴシック Medium', 'メイリオ', meiryo, sans-serif;
	color: #1F1F1F;
	line-height: 1.6;
}

.noscroll { overflow: hidden; }

.container {
	position: relative;
	padding: 0 15px;
}

.inner {
	position: relative;
	padding: 30px 15px;
}

header {
	position: relative;
	border-top: solid 30px #B81C26;
	z-index: 1000;
}

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

header nav {
	display: none;
	position: fixed;
	top: 0;
	right: 0;
	left: 0;
	margin: auto;
	width: 100%;
	height: 100%;
	background-color: #B81C26;
	transition: all .5s;
	opacity: 0;
}

header nav ul {
	display: block;
	position: absolute;
	top: calc(50% - 30px);
	left: 50%;
	width: 70%;
	transform: translate(-50%, -50%);
}

header nav > ul:first-of-type {
	padding-top: 60px;
}

header nav > ul:last-of-type {
	padding-bottom: 74px;
}

header nav ul li {
	position: relative;
	display: block;
	line-height: 1;
	text-align: center;
	background-color: #B81C26;
	border-bottom: solid 2px #FFFFFF;
}

header nav ul li a {
	display: block;
	padding: 1.2em 0;
	font-size: 1.4em;
	font-weight: bold;
	color: #FFFFFF;
	white-space: nowrap;
}

header nav ul li label {
	display: inline-block;
	position: absolute;
	bottom: 0;
	right: 0;
	width: 60px;
	height: 100%;
	border-left: solid 1px #A5A5A5;
	cursor: pointer;
}

header nav ul li label::before, 
header nav ul li label::after {
	content: "";
	display: block;
	position: absolute;
	top: 1.5em;
	left: 50%;
	width: 20px;
	height: 5px;
	background-color: #A5A5A5;
	border-radius: 10px;
}

header nav ul li label::before {
	transform: translate(-50%, -50%) rotate(-90deg);
}

header nav ul li label::after {
	transform: translate(-50%, -50%);
}

header #menu .btn_menu,
header #menu .btn_menu span {
	display: inline-block;
}

header #menu .btn_menu {
	position: fixed;
	top: 0;
	right: 0;
	padding: 12px;
	text-indent: -9999px;
	background-color: #B81C26;
	z-index: 2000;
}

header #menu .btn_menu label {
	display: block;
	position: relative;
	width: 36px;
	height: 36px;
	cursor: pointer;
}

header #menu .btn_menu label::before, 
header #menu .btn_menu label::after {
	content: "";
}

header #menu .btn_menu label::before, 
header #menu .btn_menu label::after, 
header #menu .btn_menu .hamburger {
	position: absolute;
	left: 0;
	width: 100%;
	height: 4px;
	background-color: #FFFFFF;
}

header #menu .btn_menu label::before {
	top: calc(50% - 14px);
}

header #menu .btn_menu label::after {
	top: calc(50% + 11px);
}

header #menu .btn_menu .hamburger {
	top: calc(50% - 2px);
}

header #menu #open:checked ~ nav {
	display: inline-block;
	height: 100vh;
	transition: all .5s;
	opacity: 1;
	overflow: hidden;
	overflow-y: scroll;
}

header #menu #open:checked ~ nav::-webkit-scrollbar, 
header #menu #open:checked ~ nav ul::-webkit-scrollbar {
	display: none;
}

header #menu #open:checked ~ .btn_menu label::before, 
header #menu #open:checked ~ .btn_menu label::after {
	top: 50%;
	background-color: #FFFFFF;
}

header #menu #open:checked ~ .btn_menu label::before {
	transform: rotate(-45deg);
}

header #menu #open:checked ~ .btn_menu label::after {
	transform: rotate(45deg);
}

header #menu #open:checked ~ .btn_menu .hamburger {
	opacity: 0;
}

footer {
	padding: 30px;
	text-align: center;
	background-color: #FFFFFF;
}


main {
	position: relative;
	text-align: center;
	overflow-x: clip;
}

/* pagetop */
#pagetop {
	position: fixed;
	right: 15px;
	bottom: 10px;
	width: 40px;
	height: 40px;
	z-index: 100;
}

#pagetop a {
	display: inline-block;
	position: relative;
	text-indent: -9999px;

}

#pagetop a::before,
#pagetop a::after {
	content: "";
	position: absolute;
	bottom: 0;
	margin: auto;
	vertical-align: middle;
}

#pagetop a::before {
	left: 0;
	width: 40px;
	height: 40px;
	background-color: #1F1F1F;
	border-radius: 5px;
	opacity: 0.5;
}

#pagetop a::after {
	top: -10px;
	left: 14px;
	width: 12px;
	height: 12px;
	border-top: solid 2px #FFFFFF;
	border-right: solid 2px #FFFFFF;
	transform: rotate(-45deg);
}

.color1 { color: #2C5F7B; }
.color2 { color: #B81C26; }

.bg_stripe {
	background-image: repeating-linear-gradient(60deg, #82D3CD, #82D3CD 17px, #97DAD5 17px, #97DAD5 34px);
}

.bg_square {
	background: url(../img/common/bg_square.gif);
}

.bg_dot {
	background: url(../img/common/bg_dot.gif) #2EB5AC;
	background-size: 90px 90px;
}

.bg_dot2 {
	background: url(../img/common/bg_dot2.gif) #9EDAE2;
	background-size: 90px 90px;
}

.arrow {
	position: relative;
}

.arrow::before,
.arrow::after {
	content: "";
	position: absolute;
	top: 0;
	right: 1.5em;
	bottom: 0;
	margin: auto;
	vertical-align: middle;
}

.arrow::before {
	width: 13px;
	height: 2px;
	background-color: #FFFFFF;
}

.arrow::after {
	width: 8px;
	height: 8px;
	border-top: solid 2px;
	border-right: solid 2px;
	transform: rotate(45deg);
}


.products {
	position: relative;
	padding: 50px 0;
	text-align: center;
}

.products h2 {
	padding: 0 0 30px 0;
}

.products h2 img {
	height: 71px;
}

.products ul {
	display: flex;
	justify-content: space-between;
}

.products ul li {
	width: 30%;
}

.products ul li img {
	filter: drop-shadow(5px 5px 5px rgba(0, 0, 0, 0.3));
}

.btn_detail {
	display: inline-block;
	padding: 0.8em 1.8em 0.8em 0.8em;
	margin: auto;
	width: 100%;
	font-size: 2.2rem;
	font-weight: bold;
	color: #2C5F7B;
	line-height: 1;
	letter-spacing: 0.2em;
	text-indent: 0.2em;
	text-align: center;
	background-color: #FFFFFF;
	border: solid 3px #2C5F7B;
	border-radius: 10px;
	box-shadow: 5px 5px 0 0 rgba(100, 100, 100, 0.4);
}

.btn_detail.arrow::before, 
.btn_detail.arrow::after {
	right: calc(50% - 4em);
}

.btn_detail.arrow::before {
	background-color: #2C5F7B;
}

.works {
	position: relative;
	padding: 50px 0;
	text-align: center;
	background-color: #9EDAE2;
}

.works::after {
	content: "";
	display: block;
	position: absolute;
	bottom: -4px;
	width: 100%;
	height: 100%;
	background-image: url(../img/common/bg_ship_t_sp.png), url(../img/common/bg_ship_b_sp.png);
	background-repeat: no-repeat;
	background-position: right 10px top, left bottom;
	background-size: auto 40px;
	pointer-events: none;
	z-index: 4;
}

.works h2 {
	padding: 0 0 30px 0;
}

.works h2 img {
	height: 71px;
}

.supports {
	padding: 50px 0;
}

.supports h2 {
	padding: 0 0 30px 0;
}

.supports h2 img {
	height: 71px;
}

.information {
	position: relative;
	padding: 50px 0;
	text-align: center;
	background-image: url(../img/common/bg_looseleaf.png), url(../img/common/bg_square.gif);
	background-repeat: repeat-x, repeat;
	background-position: left top, left top;
	background-size: 30px 25px, auto;
	box-shadow: 0 5px 5px 0 rgba(0, 0, 0, 0.3);
	z-index: 3;
}

.information h2 {
	display: inline-block;
	padding: 0 0 30px 0;
}

.information h2 img {
	position: relative;
	left: 6%;
	height: 79px;
}

.information ul {
	display: flex;
	flex-direction: column;
	gap: 15px;
	margin: auto;
}

.btn_information {
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 0 1.8em 0 0.8em;
	margin: auto;
	height: 4em;
	font-size: 2.2rem;
	font-weight: bold;
	color: #FFFFFF;
	line-height: 1;
	letter-spacing: 0.2em;
	text-indent: 0.2em;
	text-align: center;
	background-color: #2C5F7B;
	border: solid 4px #FFFFFF;
	border-radius: 10px;
	box-shadow: 5px 5px 0 0 rgba(100, 100, 100, 0.4);
}

.information ul li:nth-of-type(3) .btn_information {
	letter-spacing: 0;
	text-indent: 0;
}

.contact {
	padding: 50px 0 70px 0;
	position: relative;
	text-align: center;
	background-color: #D3EBEA;
	border-bottom: solid 2px #2C5F7B;
}

.contact::after {
	content: "";
	display: block;
	position: absolute;
	bottom: -4px;
	width: 100%;
	height: 100%;
	background: url(../img/common/bg_castle.png) no-repeat center bottom;
	background-size: auto 50%;
	z-index: 2;
}

.btn_contact {
	display: block;
	padding: 0.8em 1.8em 0.8em 0.8em;
	margin: auto;
	font-size: 2.2rem;
	font-weight: bold;
	color: #FFFFFF;
	line-height: 1;
	letter-spacing: 0.2em;
	text-indent: 0.2em;
	text-align: center;
	background-color: #B81C26;
	border: solid 4px #FFFFFF;
	border-radius: 10px;
	box-shadow: 5px 5px 0 0 rgba(100, 100, 100, 0.4);
	z-index: 5;
}

.btn_contact.arrow::before, 
.btn_contact.arrow::after {
	right: 1em;
}

.form {
	padding-top: 20px;
}

.form h1 {
	display: block;
	padding: 0;
	font-size: 3.2rem;
}

.form form > dl {
	margin-top: 50px;
	width: 100%;
	text-align: left;
	border-top: dashed 1px #C8C8C8;
}

.form form > dl dt {
	padding: 10px 0 0 0;
	font-weight: bold;
	white-space: nowrap;
}

.form form > dl dd {
	padding: 0 0 10px 0;
	border-bottom: dashed 1px #C8C8C8;
}

.form form > dl dd input, 
.form form > dl dd textarea, 
.form form > dl dd select {
	margin: 5px 0;
}

.form form > dl dd.flex {
	flex-direction: column;
}

.form form > dl dd span {
	display: inline-block;
}

.form.confirm form > dl dd span {
	padding: 10px 0;
}

.form form > dl .required {
	display: inline-block;
	padding: 0 0.5em;
	margin-right: 1em;
	font-size: 0.9em;
	font-weight: bold;
	color: #FFFFFF;
	background-color: #B81C26;
	border-radius: 5px;
}

.form .error {
	padding: 20px 10px;
	margin-top: 50px;
	font-weight: bold;
	color: #FF0000;
	text-align: left;
	background-color: #FFEEEE;
}

.form .btn_submit {
	display: block;
	padding: 1.5em 1.8em 1.5em 0.8em;
	margin: 50px auto;
	font-size: 1.6rem;
	font-weight: bold;
	color: #FFFFFF;
	letter-spacing: 0.2em;
	text-indent: 0.2em;
	line-height: 1;
	text-align: center;
	background-color: #323232;
	border-radius: 10px;
}

.form .pp {
	padding: 20px;
	margin: 20px auto;
	height: 250px;
	text-align: left;
	border: solid 1px;
	overflow: hidden;
	overflow-y: scroll;
}

.form .pp > dl > dt {
	padding-top: 20px;
	font-weight: bold;
}


@media print, screen and (max-width: 619px) {
	.pc { display: none; }
}


@media print, screen and (min-width: 620px) {
	a[href^="tel:"] {
		color: #1F1F1F;
		cursor: default;
		pointer-events: none;
		text-decoration: none;
	}

	.sp { display: none; }

	.container, 
	.container2 {
		position: relative;
		padding: 0;
		margin: auto;
		width: 1160px;
		height: 100%;
	}

	.inner {
		position: relative;
		padding: 75px;
		margin: auto;
		width: 950px;
		height: 100%;
	}

	header, 
	footer, 
	main {
		min-width: 1160px;
	}

	header #menu .btn_menu {
		padding: 22px;
	}

	.products h2 {
		padding: 50px 0;
	}

	.products ul {
		padding: 30px 150px;
	}

	.products ul li {
		width: 25%;
	}

	.btn_detail {
		width: 550px;
	}

	.works {
		height: 400px;
	}

	.works::after {
		background-image: url(../img/common/bg_ship.png);
		background-position: center bottom;
		background-size: auto;
	}

	.works h2 {
		padding: 50px 0;
	}

	.supports {
		height: 400px;
	}

	.supports h2 {
		padding: 50px 0;
	}

	.information {
		height: 380px;
	}

	.information h2 {
		padding: 40px 0;
	}

	.information ul {
		flex-direction: row;
		padding: 0 105px;
	}

	.information ul li {
		flex: 1;
	}

	.contact {
		height: 315px;
	}

	.contact::after {
		bottom: -7px;
		background-size: auto;
		transform: translateX(-35px);
	}

	.btn_contact {
		position: absolute;
		top: 50%;
		left: 50%;
		padding: 0.8em 1.8em 0.8em 0.8em;
		width: 550px;
		font-size: 2.2rem;
		transform: translate(-50%, -50%);
	}

	.form {
		padding-top: 100px;
	}

	.form form > dl div {
		display: flex;
	}

	.form form > dl dt {
		padding: 30px 0;
		width: 14em;
		border-bottom: dashed 1px #C8C8C8;
	}

	.form form > dl dd {
		flex: 1;
		padding: 20px 10px;
	}

	.form form > dl dd.flex {
		flex-direction: row;
		gap: 1em;
	}

	.form form > dl dd.flex > span {
		flex: 1;
	}
}