/*
Screen Width
	1200px-: Wide Layout
	1000-1200px: Wide Layout
	700-1000px: Middle Layout
	-700px: Narrow Layout
*/

/* Fonts */
@font-face {
	font-family: 'magic';
	src: url('../fonts/TanukiMagic.ttf');
}
@font-face {
	font-family: 'yasashisa';
	src: url('../fonts/YasashisaGothic.ttf');
}

:root {
	/* Colors */
	--back-black: #444444;
	--black: #080808;
	--white: #ffffff;
	--gray: #888888;
	--yellow: #f8f800;
	--light-yellow: #eeedb9;
	--orange: #ff7800;
	--light-orange: #ffd6b4;
	--red: red;
	--blue: #48a0ff;
	--light-blue: #9dccff;

	/* Layout */
	--max-content-width: 1200px;
	--side-margin: 40px;
}
@media screen and (max-width: 1000px) {
	:root {
		--side-margin: 20px;
	}
}
@media screen and (max-width: 700px) {
	:root {
		--side-margin: 10px;
	}
}


/* Main Elements */
html {
	width: 100%;
	height: 100%;
}

body {
	margin: 0;
	padding: 0;
	width: 100%;
	height: 100%;
	font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
	font-size: 16px;
	line-height: 1.6;
	color: var(--black);
	background-color: var(--black);
	pointer-events: none;
}
@media screen and (max-width: 700px) {
	body {
		font-size: 14px;
	}
}

#page {
	position: relative;
	width: 100%;
	min-height: 100%;
	background-color: var(--back-black);
}

#content {
	margin-left: auto;
	margin-right: auto;
	width: 100%;
	max-width: var(--max-content-width);
	overflow-x: hidden;
	background-color: var(--black);
	box-shadow: 0 0 16px var(--black);
}

header {
	position: fixed;
	display: flex;
	justify-content: space-between;
	top: 0;
	padding: 10px var(--side-margin);
	width: calc(100% - var(--side-margin) * 2);
	max-width: calc(var(--max-content-width) - var(--side-margin) * 2);
	height: 30px;
	background-color: rgba(8, 8, 8, 0.6);
	background-image: repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.04) 4px, transparent 0, transparent 8px);
	z-index: 100;
}

header .logo {
	height: 30px;
	pointer-events: auto;
}

header .navi .wide {
	display: block;
	margin-top: 8px;
}
header .navi .wide .link {
	margin-left: 30px;
}
@media screen and (max-width: 1000px) {
	header .navi .wide {
		display: none;
	}
}

header .navi .narrow {
	display: none;
}
header .navi .narrow .menu_btn {
    position: absolute;
    top: 0px;
    right: var(--side-margin);
    display: flex;
    justify-content: center;
    width: 50px;
    height: 50px;
    align-items: center;
    z-index: 101;
	pointer-events: auto;
}
header .navi .narrow .menu_btn span,
header .navi .narrow .menu_btn span:before,
header .navi .narrow .menu_btn span:after {
    content: '';
    display: block;
    height: 2px;
	width: 35px;
    border-radius: 2px;
    background-color: var(--white);
    position: absolute;
	transition: 0.2s;
}
header .navi .narrow .menu_btn span:before {
    bottom: 10px;
}
header .navi .narrow .menu_btn span:after {
    top: 10px;
}
header .navi .narrow #menu_btn_check:checked ~ .menu_btn span {
    background-color: rgba(255, 255, 255, 0);
}
header .navi .narrow #menu_btn_check:checked ~ .menu_btn {
	position: fixed;
}
header .navi .narrow #menu_btn_check:checked ~ .menu_btn span::before {
    bottom: 0;
    transform: rotate(45deg);
}
header .navi .narrow #menu_btn_check:checked ~ .menu_btn span::after {
    top: 0;
    transform: rotate(-45deg);
}
header .navi .narrow ul {
    width: 100vw;
    height: 100vh;
    position: fixed;
    top: 0;
	left: calc(-100vw - var(--side-margin));
	margin-top: 0;
    z-index: 50;
	background-color: rgba(8, 8, 8, 0.8);
	background-image: repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.04) 4px, transparent 0, transparent 8px);
	transition: 0.2s;
}
header .navi .narrow #menu_btn_check:checked ~ ul {
    left: 0;
}
header .navi .narrow ul {
    padding-top: 100px;
	padding-left: var(--side-margin);
    list-style: none;
}
header .navi .narrow ul li {
	width: calc(100% - var(--side-margin) * 2);
    border-bottom: 1px solid var(--white);
}
header .navi .narrow ul li a {
    position: relative;
    display: block;
    padding: 10px;
    width: 100%;
    box-sizing: border-box;
    color: var(--white);
    text-decoration: none;
}
header .navi .narrow ul li a::before {
    content: "";
    width: 8px;
    height: 8px;
    border-top: 2px solid var(--black);
    border-right: 2px solid var(--black);
    transform: rotate(45deg);
    position: absolute;
    right: 10px;
    top: 1em;
}
@media screen and (max-width: 1000px) {
	header .navi .narrow {
		display: block;
	}
}

footer {
	padding: 40px var(--side-margin);
	width: calc(100% - var(--side-margin) * 2);
	max-width: calc(var(--max-content-width) - var(--side-margin) * 2);
	background-color: rgba(8, 8, 8, 0.5);
	background-image: repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.04) 4px, transparent 0, transparent 8px);
}

footer .navi {
	display: flex;
	justify-content: space-between;
	margin-bottom: 30px;
}
@media screen and (max-width: 700px) {
	footer .navi {
		flex-direction: column;
	}
}

footer .navi .logo {
	width: 30%;
}
@media screen and (max-width: 1000px) {
	footer .navi .logo {
		width: 25%;
	}
}
@media screen and (max-width: 700px) {
	footer .navi .logo {
		width: 70%;
	}
}

footer .navi .logo img {
	width: 90%;
	pointer-events: auto;
}

footer .navi .list {
	display: flex;
	justify-content: space-between;
	width: 70%;
}
footer .navi .list ul {
	position: relative;
	margin: 0 0 0 20px;
	padding: 0;
	width: 50%;
}
footer .navi .list ul::before {
	position: absolute;
	top: 0;
	left: -20px;
	content: "";
	width: 1px;
	height: 100%;
	background-color: var(--white);
}
@media screen and (max-width: 1000px) {
	footer .navi .list {
		width: 75%;
	}
}
@media screen and (max-width: 700px) {
	footer .navi .list {
		flex-direction: column;
		width: 100%;
	}
	footer .navi .list ul {
		margin-top: 20px;
		width: 100%;
	}
}

footer .copyright {
	color: var(--gray);
	font-size: 85%;
	text-align: center;
}

footer .copyright div {
	display: inline;
	margin-left: 10px;
	margin-right: 10px;
}
@media screen and (max-width: 700px) {
	footer .copyright div {
		display: block;
	}
}

/* Common Elements */
.container {
	padding-top: 40px;
	padding-bottom: 120px;
	padding-left: var(--side-margin);
	padding-right: var(--side-margin);
	width: calc(100% - var(--side-margin) * 2);
	max-width: calc(var(--max-content-width) - var(--side-margin) * 2);
}
@media screen and (max-width: 700px) {
	.container {
		padding-top: 20px;
		padding-bottom: 60px;
	}
}

section {
	position: relative;
}

h1 {
	-webkit-text-stroke: 1px var(--black);
	text-stroke: 1px var(--black);
}

h1 {
	font-size: 2em;
	font-weight: bold;
}

h2 {
	margin-bottom: 20px;
	font-size: 1.6em;
	font-weight: bold;
	text-align: center;
	-webkit-text-stroke: 1px var(--black);
	text-stroke: 1px var(--black);
}

a {
	pointer-events: auto;
}

.subtitle {
	margin-bottom: 10px;
	padding: 0.1em 0.4em;
	background-color: var(--black);
	color: var(--white);
	font-weight: bold;
}

.section_border .border {
	position: absolute;
	left: calc((var(--max-content-width) - 100%) / -2);
	z-index: 1;
}

.section_border h1 {
	position: absolute;
	left: var(--side-margin);
	z-index: 2;
}
@media screen and (max-width: 700px) {
	.section_border h1 {
		font-size: 5vw;
	}
}

.page_title {
	position: relative;
	margin-bottom: -48px;
	height: 195px;
}

.page_title img {
	position: absolute;
	top: 0;
	right: 0;
	z-index: 1;
}

.page_title h1 {
	position: absolute;
	top: 60px;
	left: var(--side-margin);
	font-size: 2em;
	font-weight: bold;
	z-index: 2;
}
@media screen and (max-width: 700px) {
	.page_title h1 {
		font-size: 5vw;
	}
}

.important {
	color: var(--red);
	font-weight: bold;
}

.link {
	color: var(--white);
	text-decoration: none;
	pointer-events: auto;
}
.link::after {
	content: url("../images/link.png");
	margin-left: 0.4em;
}
.link:hover {
	color: var(--light-orange);
}

.link_accent {
	color: var(--blue);
	text-decoration: none;
	pointer-events: auto;
}
.link_accent::after {
	content: url("../images/link_accent.png");
	margin-left: 0.4em;
}
.link_accent:hover {
	color: var(--light-blue);
}

.btn {
	pointer-events: auto;
}
.btn:hover {
	filter: brightness(120%);
}

.large_btn {
	display: block;
	margin: 30px auto;
	width: 80%;
	max-width: 500px;
}

.desc {
	margin-top: 80px;
	color: var(--gray);
	font-size: 0.8em;
}

.required {
	margin-left: 1em;
	padding: 0.1em 0.4em;
	background-color: var(--red);
	color: var(--white);
	font-size: 0.7em;
}

.optional {
	margin-left: 1em;
	padding: 0.1em 0.4em;
	background-color: var(--gray);
	color: var(--white);
	font-size: 0.7em;
}

#loading {
	display: none;
	position: fixed;
	top: 0;
	left: 0;
	width: 100vw;
	height: 100vh;
	z-index: 1000;
}

#loading .overlay {
	width: 100vw;
	height: 100vh;
	background-color: black;
	opacity: 0.5;
}

#loading img {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	width: 80px;
}