/* ==========================================================================
Base CSS - Modern Reset and Foundation Styles
========================================================================== */
:root{
	font-size: 16px;
}

/* CSS Reset */
*,
*::before,
*::after {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}
  #オーバースクロール時のバウンスを無効化
    body {
     overscroll-behavior: none;
   }  

/* Remove default styles */
html,
body,
div,
span,
applet,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
a,
abbr,
acronym,
address,
big,
cite,
code,
del,
dfn,
em,
img,
ins,
kbd,
q,
s,
samp,
small,
strike,
strong,
sub,
sup,
tt,
var,
b,
u,
i,
center,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
article,
aside,
canvas,
details,
embed,
figure,
figcaption,
footer,
header,
hgroup,
menu,
nav,
output,
ruby,
section,
summary,
time,
mark,
audio,
video {
	margin: 0;
	padding: 0;
	border: 0;
	font-size: 100%;
	font: inherit;
	vertical-align: baseline;
	line-height:1.4;
}


h1,
h2,
h3,
h4,
h5,
h6{
}

/* HTML5 display-role reset for older browsers */
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
	display: block;
}
:root {
	/* 基本色の定義 */
	--white: #ffffff;
	--black: #000000;

	/* セクション別の色設定 */
	--white-section-bg: var(--white);
	--white-section-text: var(--black);

	--black-section-bg: var(--black);
	--black-section-text: var(--white);
	--font-sans: "hiragino-kaku-gothic-pron", "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
	--font-serif: "hiragino-mincho-pron", "Noto Serif JP", "Yu Mincho", "YuMincho", "Hiragino Mincho Pro", "BIZ UDPMincho", serif;

	/* Font size custom properties */
	--font-size-14: 0.875rem;  /* 14/16 */
	--font-size-18: 1.125rem;  /* 18/16 */
	--font-size-22: 1.375rem;  /* 22/16 */
	--font-size-24: 1.5rem;    /* 24/16 */
	--font-size-26: 1.625rem;  /* 26/16 */
	--font-size-30: 1.875rem;  /* 30/16 */
	--font-size-36: 2.25rem;   /* 36/16 */
	--font-size-40: 2.5rem;    /* 40/16 */
	--font-size-83: 5.1875rem; /* 83/16 */
}
/* Root element */
html, body {
	overflow-x: hidden; /* 横スクロールを無効化 */
	width: 100%;
	height: 100%;
}
html {
	font-family: "hiragino-kaku-gothic-pron", sans-serif;
	scroll-behavior: smooth;
	-webkit-text-size-adjust: 100%;
	-ms-text-size-adjust: 100%;
	overflow-x: unset;
}
/* 白背景セクション */
.white-section {
	background-color: var(--white-section-bg);
	color: var(--white-section-text);
}

/* 黒背景セクション */
.black-section {
	background-color: var(--black-section-bg);
	color: var(--black-section-text);
}

/* Body */
body {
	font-family: var(--font-sans);
	line-height: 1.6;
	color: #333;
	background-color: #fff;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

/* Lists */
ol,
ul {
	list-style: none;
}

/* Quotes */
blockquote,
q {
	quotes: none;
}

blockquote:before,
blockquote:after,
q:before,
q:after {
	content: '';
	content: none;
}

/* Tables */
table {
	border-collapse: collapse;
	border-spacing: 0;
}

/* Links */
a {
	text-decoration: none;
	color: inherit;
	cursor: pointer;
}

a:hover {
	text-decoration: underline;
}

/* Images */
img {
	max-width: 100%;
	height: auto;
	vertical-align: middle;
	margin:auto;
}

/* Forms */
input,
textarea,
select,
button {
	font-family: inherit;
	font-size: inherit;
	line-height: inherit;
}

input:focus,
textarea:focus,
select:focus,
button:focus {
	outline: 2px solid #007bff;
	outline-offset: 2px;
}

button {
	cursor: pointer;
	border: none;
	background: none;
}

/* Headings */
h1,
h2,
h3,
h4,
h5,
h6 {
	font-weight: bold;
	line-height: 1.2;
	margin-bottom: 1rem;
}

h1 {
}

h2 {
}

h3 {
}

h4 {
}

h5 {
}

h6 {
}

/* Paragraphs */
p {
	margin-bottom: 2rem;
	text-shadow: 0 0 1px #00000050;
}

/* Utility classes */
.sr-only {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.clearfix::after {
	content: '';
	display: table;
	clear: both;
}

/* Responsive helpers */
@media (max-width: 768px) {
}

/* Print styles */
@media print {
	*,
	*::before,
	*::after {
		background: transparent !important;
		color: #000 !important;
		box-shadow: none !important;
		text-shadow: none !important;
	}

	a,
	a:visited {
		text-decoration: underline;
	}

	img {
		page-break-inside: avoid;
	}

	h2,
	h3,
	p {
		orphans: 3;
		widows: 3;
	}

	h2,
	h3 {
		page-break-after: avoid;
	}
}