/* リセットと基本的なスタイリング */

html {
	font-size: 100%;
}
body {
	margin: 0;
	padding: 0;
	background-color: #f0f0f0;
	color: #000;
	font-family: "Noto Sans JP", "Noto Serif JP", "Roboto", sans-serif;
	font-size: 16px;
	letter-spacing: 0.1em;
}
a {
	color: #000;
	text-decoration: none;
}
img {
	max-width: 100%;
	height: auto;
	object-fit: cover;
	padding: 0;
	border-radius: 4px;
}
li {
	list-style: none;
}
main {
	max-width: 1280px;
	margin: 0 auto;
	padding: 1rem;
}
@media screen and (max-width: 768px) {
	main {
		padding: 0.5rem;
	}
}
/* ヘッダースタイル */

.header {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 1000;
	display: flex;
	justify-content: space-between;
	max-width: 1920px;
	height: 5rem;
	margin: 0 auto;
	padding: 0.5rem;
	background-color: #f5f5f5;
	background-color: rgba(245, 245, 245, 0.9);
	border-bottom: 1px solid #a1a1a1;
}
.header__logo {
	display: flex;
	align-items: center;
}
.header__logo-link, .header__logo-image {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	height: 100%;
}
.header__logo-image {
	max-width: 100%;
	height: auto;
	object-fit: contain;
}
.nav {
	display: flex;
	align-items: center;
}
.nav__list {
	display: flex;
	align-items: center;
	margin: 0;
	padding: 0;
	list-style: none;
}
.nav__item {
	margin-left: 0.5rem;
}
.nav__item a {
	font-size: 0.9rem;
	padding: 0.5rem;
	transition: color 0.3s ease;
}
.nav__item a:hover {
	color: #555;
}
.header__menu-icon {
	display: none;
	cursor: pointer;
	position: relative;
	width: 2rem;
	height: 1.5rem;
	z-index: 10003;
}
.header__menu-icon span {
	display: block;
	position: absolute;
	height: 0.25rem;
	width: 100%;
	background: #333;
	border-radius: 10px;
	transition: all 0.3s linear;
}
.header__menu-icon span:nth-child(1) {
	top: 0;
}
.header__menu-icon span:nth-child(2) {
	top: 0.65rem;
}
.header__menu-icon span:nth-child(3) {
	top: 1.3rem;
}
/* トグルボタンの状態によるアイコン変化 */

.menu-toggle:checked+.header__menu-icon span:nth-child(1), .menu-toggle:checked+.header__menu-icon span:nth-child(3) {
	top: 0.65rem;
	transform: rotate(45deg);
	background-color: #fff;
}
.menu-toggle:checked+.header__menu-icon span:nth-child(2) {
	opacity: 0;
}
.menu-toggle:checked+.header__menu-icon span:nth-child(3) {
	transform: rotate(-45deg);
}
.menu-toggle {
	display: none;
}
/* レスポンシブデザイン: 768px以下の画面サイズに対応するスタイル */

@media screen and (max-width: 768px) {
	.header, .header__logo-link, .header__logo-image {
		height: 3rem;
	}
	.header__logo-image {
		max-width: 80%;
	}
	.header__menu-icon {
		display: flex;
	}
	.nav {
		display: none;
		position: fixed;
		top: 0;
		right: 0;
		width: 80%;
		height: 100%;
		background-color: #000;
		background-color: rgba(0, 0, 0, 0.9);
		z-index: 1002;
		transform: translateX(-100%);
		transition: transform 0.5s ease;
	}
	.menu-toggle:checked~.nav {
		display: flex;
		transform: translateX(0);
		flex-direction: column;
		justify-content: flex-start;
		align-items: flex-start;
		padding-top: 5rem;
	}
	.nav__list {
		width: 100%;
		flex-direction: column;
	}
	.nav__item {
		width: 100%;
		margin: 0;
		padding: 0.5rem;
		border-bottom: 1px solid #fff;
	}
	.nav__item a {
		font-size: 1rem;
		color: #fff;
		display: block;
		width: 100%;
	}
}
/* メインビジュアルのスタイル */

.main-visual {
	position: relative;
	max-width: 1920px;
	margin: 5rem auto;
	margin-bottom: 3rem;
}
.main-visual__img {
	width: 100%;
	height: 50vh;
	border-radius: 4px;
	filter: brightness(85%);
}
.main-visual__content {
	position: absolute;
	left: 10%;
	top: 50%;
	transform: translateY(-50%);
	text-align: left;
	width: 90%;
}
.main-visual__title {
	font-family: "Noto Sans JP", sans-serif;
	color: #fff;
	font-size: 1.5rem;
	margin-bottom: 0.5rem;
}
.main-visual__en {
	font-family: "Pacifico", cursive;
	color: #fff;
	margin-bottom: 0.5rem;
}
/* レスポンシブデザイン: 768px以下の画面サイズに対応するスタイル */

@media screen and (max-width: 768px) {
    .main-visual {
        margin: 3rem auto;
    }
    .main-visual__img {
        height: auto; 
    }
    .main-visual__content {
        padding: 0.5rem;
        left: 5%; 
        width: 90%; 
    }
    .main-visual__title {
        font-size: 1rem; 
    }
}
/* ページやセクションのタイトル */

.title {
	margin: 0 auto;
	margin-bottom: 3rem;/* 調整 */
	height: 4rem;
	text-align: left;
	overflow-wrap: break-word;
}
.title__ja, .title__en, .title__sub {
	position: relative;
	display: block;
	width: 100%;
	margin-bottom: 0.5rem;
}
.title__ja {
	font-family: "Noto Sans JP", sans-serif;
	font-size: 1.5rem;
	letter-spacing: 0.2em;
}
.title__en {
	font-family: "Roboto", sans-serif;
	font-size: 1.25rem;
	letter-spacing: 0.3em;
}
.title__ja::after {
	position: absolute;
	content: "";
	width: 5rem;
	height: 1px;
	bottom: -0.5rem;
	left: 0;
	background-color: #000;
}
.description {
	margin: 0 left;
	margin-bottom: 0.5rem;
	padding: 0 1rem;
}
/* レスポンシブデザインの調整 */

@media screen and (max-width: 768px) {
	.title {
		height: 3rem;
	}
	.title__ja, .title__en {
		margin: 0 0 0.5rem;
		padding: 0;
	}
	.title__ja {
		font-size: 1rem;
	}
	.title__en {
		font-size: 0.75rem;
	}
	.title__ja::after {
		width: 2.5rem;
		bottom: -0.25rem;
	}
	.description {
		padding: 0 1rem;
		font-size: 0.75rem;
		letter-spacing: 0.1em;
	}
}
/* フッターの基本スタイル */

.footer {
	display: flex;
	flex-wrap: wrap;
	align-items: flex-start;
	justify-content: center;
	background-color: #333;
	color: #fff;
	padding: 0;
	max-width: 100%;
	margin: 0 auto;
	margin-bottom: 1rem;
	text-align: center;
}
.footer__nav {
	flex: 0 1 40%;
	text-align: center;
	margin-top: 1rem;
}
.footer__nav-list {
	list-style: none;
	padding: 0;
	display: flex;
	justify-content: center;
}
.footer__nav-item {
	margin: 0 1rem;
}
.footer__nav-item a {
	color: #fff;
	text-decoration: none;
	transition: color 0.3s ease;
}
.footer__nav-item a:hover {
	color: #a1a1a1;
}
.footer__nav-sublist {
	list-style: none;
	padding: 0;
	margin-top: 0.5rem;
	text-align: left;
	border-top: 1px solid #a1a1a1;
}
.footer__nav-sublist li {
	margin-bottom: 0.25rem;
}
.footer__nav-sublist a {
	color: #fff;
	font-size: 0.85rem;
}
.footer__nav-sublist a:hover {
	color: #555;
	text-decoration: underline;
}
.footer__copyright {
	width: 100%;
	order: 3;
	text-align: center;
	font-size: 0.75rem;
	margin: 1rem auto;
}
/* レスポンシブデザイン: 768px以下の画面サイズに対応するスタイル */

@media screen and (max-width: 768px) {
	.footer {
		flex-direction: column;
		align-items: center;
		font-size: 0.75rem;
	}
	.footer__nav {
		margin-top: 0.5rem;
		margin-bottom: 0.5rem;
	}
	.footer__nav-list {
		flex-direction: row;
	}
	.footer__nav-item {
		margin: 0 auto;
		margin-left: 0.5rem;
	}
	.footer__nav-sublist {
		padding-left: 0.5rem;
	}
}

/* 追加分:パンくずリスト */
.breadcrumb {
    display: flex;
    gap: 0 0.5rem;
    list-style: none;
    padding: 1rem;
    margin: auto;
    margin-top: -4rem;
}

.breadcrumb li {
    display: flex;
    align-items: center;
}

.breadcrumb li:first-child::before {
    display: inline-block;
    width: 1em;
    height: 1em;
    background-repeat: no-repeat;
    content: '';
}

.breadcrumb li:not(:last-child)::after {
    display: inline-block;
    transform: rotate(45deg);
    width: 0.3em;
    height: 0.3em;
    margin-left: 0.5rem;
    border-top: 1px solid #000;
    border-right: 1px solid #000;
    content: '';
}

.breadcrumb a {
    color: #000;
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}
/* レスポンシブデザインの調整 */

@media screen and (max-width: 768px) {
	.breadcrumb {
		padding: 0.5rem 0;
		font-size: 0.7em;
	}
}