/* .post-title .post-link */
@media only screen and (max-width: 820px) {
	.post-title .post-link {
		width: inherit;
	}
}

/* header */
.header {
	background: #30638e;
	color: #fff;
}
/*.header-nav .nav-links {
} */
@media only screen and (max-width: 820px) {
	.header-nav .nav-title {
		margin-left: inherit;
	}
	.header-nav .nav-links {
		margin-right: inherit;
	}
}

.nav-title {
	font-size: larger;
}
.nav-hamburger-list {
	background: #30638e;
	color: #fff;
}

/* breadcrumb */
.breadcrumb {
	padding: 0;
	font-size: smaller;
	color: gray;
	width: 75%;
}
.breadcrumb a {
	text-decoration: none;
}
.breadcrumb ol {
	padding-inline-start: 0;
}
.breadcrumb li {
	display: inline;
	list-style: none;
}
.breadcrumb li:not(:last-child)::after {
	content: "/";
	padding: 0 0.5em;
	color: gray;
}
@media only screen and (max-width: 820px) {
    .breadcrumb {
        width: 100%;
    }
}

/* content */
.post .post-content {
	line-height: 2;
}
.post.container {
	padding: 0 1.5rem;
}
@media only screen and (max-width: 820px) {
	.post.container {
		padding: 0;
	}
}

#toc {
	padding-right: 1em;
	top: 100px;
}

/* back to top button  */
@media screen and (max-width: 600px) {
	#btt-button {
		visibility: inherit;
	}
}

/* taxonomy page */
.post-taxos {
	list-style-type: none;
	padding: 0;
	display: flex;
	flex-wrap: wrap;
}
.post-taxo {
	margin-right: 1rem;
}
@media only screen and (max-width: 820px) {
    .post-taxo {
        margin-right: 0.7rem;
    }
}
.post-taxo a {
	padding: 6px 0 6px 6px;
	text-decoration: none;
}

/* post date */
.post-date {
	font-size: smaller;
}
.update {
	margin-left: 1em;
}

/* post taxonomy */
.post-taxonomies {
    display: flex;
    gap: 10px; /* リスト間のスペースを設定 */
	color: gray;
	margin-top: -0.5em;
	font-size: smaller;
}
.post-taxonomies ul {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
    align-items: center; /* リスト内のアイテムを垂直方向で中央揃え */
}
.post-taxonomies li {
	margin-left: 5px;
    margin-right: 5px; /* リストアイテム間のスペースを設定 */
}
.post-taxonomies li:last-child {
    margin-right: 0; /* 最後のリストアイテムの右側にマージンを設定しない */
}
.post-taxonomies a {
	text-decoration: none;
}

/* page_navi_link */
.prev-next {
	padding-bottom: 3em
}
.prev-post, .next-post {
    max-width: inherit;
	font-size: smaller;
}
.prev-post a, .next-post a {
	text-decoration: none;
}
.prev-post-date, .next-post-date {
    line-height: 0.3rem;
}

/* section_navi_link */
.xPrevNextLink {
	margin-top: 1.5rem;
	font-size: smaller;
}
.xPrevNextLink::after {
	display: block;
	content: "";
	clear: both;
}
.xPrevNextLink_prev {
	display: block;
	float: left;
}
.xPrevNextLink_prev::before {
	content: "←";
}
.xPrevNextLink_next {
	display: block;
	float: right;
	text-align: right;
}
.xPrevNextLink_next::after {
	content: "→";
}

/* post-summary */
.post-summary {
	margin-left: 3rem;
}
.readmore {
	text-align: right;
}

/* search */
#result {
	margin: 1rem 0;
}
#resultCount {
	margin: 0rem;
}
.search {
    width: 200px;
    padding: 5px 10px;
    font-size: inherit;
    border-radius: 5px;
    border: 1px solid #334156;
	background-color: whitesmoke;
}
.search:focus {
    outline: 0;
    border: 2px solid #2196f3;
}
.item {
	margin: 2rem 0;
}
.item_title {
    text-decoration: none;
}
.item_excerpt {
	margin-top: 0.5rem;
	margin-left: 1.5rem;
}
.item_excerpt b {
	color: red;
}

/* rakuten book info */
.bookinfo {
	font-size: 0.9em;
	margin: 1em 0;
    padding: 1em;
    border-radius: 12px;
	border: 1px solid gainsboro;
}
.bookele {
	font-size: 0.9em;
}
ul.booklist {
	list-style: none;
	margin-left: -1rem;
	word-break: break-all;
	line-height: 1.5rem;
}
blockquote.bookcite {
	margin-left: 1.4rem;
}
.bookcite-source {
	display: block;
	clear: both;
	font-size: small;
	text-align: right;
	margin-top: -0.5rem;
	a {
		text-decoration: none;
	}
}
.thumimg {
	max-width: 100%;
	height: auto;
	margin: 1rem 7px 0;
	float: right;
}
/*.thumimg img {
	margin: 0;
}*/
.bookinfo:after {
	display: block;
	content: '';
	clear: both;
}
@media screen and (max-width: 640px) {
	.bookinfo .thumimg {
	float: none;
	margin: 0.5rem;
	text-align: center;
	}
}

/* private contents */
.private {
    background-color: aliceblue;
    padding: 0.5em;
    margin-left: 2rem;
    border: solid 1px skyblue;
	border-radius: 5px;
	font-size: 0.9em;
}
.private::before {
	content: "Private メモ";
	display: block;
	font-weight: bolder;
}

/* if server, edit-path-info */
.edit-page {
	font-size: 0.7rem;
	text-align: right;
}
.editpath {
	font-size: 0.5rem;
	word-wrap: break-word;
}

/* contact mailform */
.Form {
	margin-top: 2rem;
	margin-left: auto;
	margin-right: auto;
	max-width: 720px;
}
@media screen and (max-width: 480px) {
	.Form {
		margin-top: 40px;
	}
}
.Form-Item {
	padding-top: 16px;
	padding-bottom: 16px;
	width: auto;
	display: flex;
	align-items: center;
}
@media screen and (max-width: 480px) {
	.Form-Item {
		padding-left: 14px;
		padding-right: 14px;
		padding-top: 16px;
		padding-bottom: 16px;
		flex-wrap: wrap;
	}
}
.Form-Item:nth-child(5) {
}
.Form-Item-Label {
	width: 100%;
	max-width: 248px;
	letter-spacing: 0.05em;
	font-weight: bold;
	font-size: 1rem;
}
@media screen and (max-width: 480px) {
	.Form-Item-Label {
		max-width: inherit;
		display: flex;
		align-items: center;
		font-size: 15px;
	}
}
.Form-Item-Label.isMsg {
	margin-top: 8px;
	margin-bottom: auto;
}
@media screen and (max-width: 480px) {
	.Form-Item-Label.isMsg {
		margin-top: 0;
	}
}
.Form-Item-Label-Required {
	border-radius: 6px;
	margin-right: 8px;
	padding-top: 5px;
	padding-bottom: 5px;
	width: 48px;
	display: inline-block;
	text-align: center;
	background: #3073dc;
	color: #fff;
	font-size: 14px;
}
@media screen and (max-width: 480px) {
	.Form-Item-Label-Required {
		border-radius: 4px;
		padding-top: 4px;
		padding-bottom: 4px;
		width: 32px;
		font-size: 10px;
	}
}
.Form-Item-Input {
	border: 1px solid #ddd;
	border-radius: 6px;
	margin-left: 40px;
	padding-left: 1em;
	padding-right: 1em;
	height: 48px;
	flex: 1;
	width: 80%;
	max-width: 410px;
	background: #fff;
	font-size: 1rem;
}
@media screen and (max-width: 480px) {
	.Form-Item-Input {
		margin-left: 0;
		margin-top: 18px;
		height: 40px;
		flex: inherit;
		font-size: 16px;
	}
}
@media (prefers-color-scheme: dark) {
	.Form-Item-Input {
		background-color: #252525;
		color: #ddd;
	}
}
.Form-Item-Textarea {
	border: 1px solid #ddd;
	border-radius: 6px;
	margin-left: 40px;
	padding-left: 1em;
	padding-right: 1em;
	height: 216px;
	flex: 1;
	width: 80%;
	max-width: 410px;
	background: #fff;
	font-size: 1rem;
}
@media screen and (max-width: 480px) {
	.Form-Item-Textarea {
		margin-top: 18px;
		margin-left: 0;
		height: 200px;
		flex: inherit;
		font-size: 16px;
	}
}
@media (prefers-color-scheme: dark) {
	.Form-Item-Textarea {
		background-color: #252525;
		color: #ddd;
	}
}
.Form-Btn {
	border-radius: 6px;
	margin-top: 32px;
	margin-left: auto;
	margin-right: auto;
	padding-top: 20px;
	padding-bottom: 20px;
	width: 280px;
	display: block;
	letter-spacing: 0.05em;
	background: #545454;
	color: #fff;
	font-weight: bold;
	font-size: 20px;
}
@media screen and (max-width: 480px) {
	.Form-Btn {
		margin-top: 24px;
		padding-top: 8px;
		padding-bottom: 8px;
		width: 160px;
		font-size: 16px;
	}
}
@media (prefers-color-scheme: dark) {
	.Form-Btn {
		background-color: #252525;
		color: #ddd;
	}
}