/* <system section="theme" selected="17179246901359113118"> */
@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700&display=swap");

/*
  Theme: CHITA
  Description: A minimal and clean Hatena Blog theme focused on readability.
  Author: @toyoshi.
  Responsive: yes
*/
/*! normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css */
/* Document
   ========================================================================== */
/**
 * 1. Correct the line height in all browsers.
 * 2. Prevent adjustments of font size after orientation changes in iOS.
 */
html {
  line-height: 1.15; /* 1 */
  -webkit-text-size-adjust: 100%; /* 2 */
}
/* Sections
   ========================================================================== */
/**
 * Remove the margin in all browsers.
 */
body {
  margin: 0;
}
/**
 * Render the `main` element consistently in IE.
 */
main {
  display: block;
}
/**
 * Correct the font size and margin on `h1` elements within `section` and
 * `article` contexts in Chrome, Firefox, and Safari.
 */
h1 {
  font-size: 2em;
  margin: 0.67em 0;
}
/* Grouping content
   ========================================================================== */
/**
 * 1. Add the correct box sizing in Firefox.
 * 2. Show the overflow in Edge and IE.
 */
hr {
  box-sizing: content-box; /* 1 */
  height: 0; /* 1 */
  overflow: visible; /* 2 */
}
/**
 * 1. Correct the inheritance and scaling of font size in all browsers.
 * 2. Correct the odd `em` font sizing in all browsers.
 */
pre {
  font-family: monospace, monospace; /* 1 */
  font-size: 1em; /* 2 */
}
/* Text-level semantics
   ========================================================================== */
/**
 * Remove the gray background on active links in IE 10.
 */
a {
  background-color: transparent;
}
/**
 * 1. Remove the bottom border in Chrome 57-
 * 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
 */
abbr[title] {
  border-bottom: none; /* 1 */
  text-decoration: underline; /* 2 */
  -webkit-text-decoration: underline dotted;
          text-decoration: underline dotted; /* 2 */
}
/**
 * Add the correct font weight in Chrome, Edge, and Safari.
 */
b,
strong {
  font-weight: bolder;
}
/**
 * 1. Correct the inheritance and scaling of font size in all browsers.
 * 2. Correct the odd `em` font sizing in all browsers.
 */
code,
kbd,
samp {
  font-family: monospace, monospace; /* 1 */
  font-size: 1em; /* 2 */
}
/**
 * Add the correct font size in all browsers.
 */
small {
  font-size: 80%;
}
/**
 * Prevent `sub` and `sup` elements from affecting the line height in
 * all browsers.
 */
sub,
sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}
sub {
  bottom: -0.25em;
}
sup {
  top: -0.5em;
}
/* Embedded content
   ========================================================================== */
/**
 * Remove the border on images inside links in IE 10.
 */
img {
  border-style: none;
}
/* Forms
   ========================================================================== */
/**
 * 1. Change the font styles in all browsers.
 * 2. Remove the margin in Firefox and Safari.
 */
button,
input,
optgroup,
select,
textarea {
  font-family: inherit; /* 1 */
  font-size: 100%; /* 1 */
  line-height: 1.15; /* 1 */
  margin: 0; /* 2 */
}
/**
 * Show the overflow in IE.
 * 1. Show the overflow in Edge.
 */
button,
input { /* 1 */
  overflow: visible;
}
/**
 * Remove the inheritance of text transform in Edge, Firefox, and IE.
 * 1. Remove the inheritance of text transform in Firefox.
 */
button,
select { /* 1 */
  text-transform: none;
}
/**
 * Correct the inability to style clickable types in iOS and Safari.
 */
button,
[type=button],
[type=reset],
[type=submit] {
  -webkit-appearance: button;
}
/**
 * Remove the inner border and padding in Firefox.
 */
button::-moz-focus-inner,
[type=button]::-moz-focus-inner,
[type=reset]::-moz-focus-inner,
[type=submit]::-moz-focus-inner {
  border-style: none;
  padding: 0;
}
/**
 * Restore the focus styles unset by the previous rule.
 */
button:-moz-focusring,
[type=button]:-moz-focusring,
[type=reset]:-moz-focusring,
[type=submit]:-moz-focusring {
  outline: 1px dotted ButtonText;
}
/**
 * Correct the padding in Firefox.
 */
fieldset {
  padding: 0.35em 0.75em 0.625em;
}
/**
 * 1. Correct the text wrapping in Edge and IE.
 * 2. Correct the color inheritance from `fieldset` elements in IE.
 * 3. Remove the padding so developers are not caught out when they zero out
 *    `fieldset` elements in all browsers.
 */
legend {
  box-sizing: border-box; /* 1 */
  color: inherit; /* 2 */
  display: table; /* 1 */
  max-width: 100%; /* 1 */
  padding: 0; /* 3 */
  white-space: normal; /* 1 */
}
/**
 * Add the correct vertical alignment in Chrome, Firefox, and Opera.
 */
progress {
  vertical-align: baseline;
}
/**
 * Remove the default vertical scrollbar in IE 10+.
 */
textarea {
  overflow: auto;
}
/**
 * 1. Add the correct box sizing in IE 10.
 * 2. Remove the padding in IE 10.
 */
[type=checkbox],
[type=radio] {
  box-sizing: border-box; /* 1 */
  padding: 0; /* 2 */
}
/**
 * Correct the cursor style of increment and decrement buttons in Chrome.
 */
[type=number]::-webkit-inner-spin-button,
[type=number]::-webkit-outer-spin-button {
  height: auto;
}
/**
 * 1. Correct the odd appearance in Chrome and Safari.
 * 2. Correct the outline style in Safari.
 */
[type=search] {
  -webkit-appearance: textfield; /* 1 */
  outline-offset: -2px; /* 2 */
}
/**
 * Remove the inner padding in Chrome and Safari on macOS.
 */
[type=search]::-webkit-search-decoration {
  -webkit-appearance: none;
}
/**
 * 1. Correct the inability to style clickable types in iOS and Safari.
 * 2. Change font properties to `inherit` in Safari.
 */
::-webkit-file-upload-button {
  -webkit-appearance: button; /* 1 */
  font: inherit; /* 2 */
}
/* Interactive
   ========================================================================== */
/*
 * Add the correct display in Edge, IE 10+, and Firefox.
 */
details {
  display: block;
}
/*
 * Add the correct display in all browsers.
 */
summary {
  display: list-item;
}
/* Misc
   ========================================================================== */
/**
 * Add the correct display in IE 10+.
 */
template {
  display: none;
}
/**
 * Add the correct display in IE 10.
 */
[hidden] {
  display: none;
}
:root {
  --accent: #2563eb;
}
html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #152033;
  line-height: 2;
  font-weight: 400;
  font-feature-settings: "palt";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  word-wrap: break-word;
  overflow-wrap: break-word;
}
a {
  color: var(--accent);
  text-decoration: none;
  transition: opacity 0.15s ease;
}
a:hover {
  opacity: 0.7;
}
img {
  max-width: 100%;
  height: auto;
}
#globalheader-container {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
}
#container {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 20px;
}
#content-inner {
  display: block;
}
#main {
  width: 100%;
}
#box2 {
  width: 100%;
  margin-top: 64px;
  padding-top: 48px;
  border-top: 1px solid #e2e6ec;
}
#box2-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
@media (min-width: 768px) {
  #box2-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px 48px;
  }
}
#blog-title {
  margin: 24px 0 0;
}
#blog-title-inner {
  display: block;
}
#blog-title-content {
  display: block;
}
#title {
  margin: 0;
  font-size: 13px;
  font-weight: 400;
  line-height: 1.4;
}
#title a {
  color: #8c99ab;
  opacity: 1;
}
#title a:hover {
  color: #152033;
}
#blog-description {
  display: none;
}
.header-image-enable #blog-title {
  margin: 0 0 1em;
  padding-bottom: 0;
  border-bottom: none;
}
.header-image-enable #blog-title-inner {
  position: relative;
  min-height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.header-image-enable #blog-title-content {
  position: relative;
  z-index: 1;
  text-align: center;
}
.header-image-enable #title {
  font-size: 16px;
}
.header-image-enable #title a {
  color: #fff;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}
.header-image-enable #blog-description {
  color: rgba(255, 255, 255, 0.9);
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}
#top-editarea {
  margin-bottom: 16px;
}
.entry {
  margin-bottom: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid #f0f2f5;
}
.entry:last-child {
  border-bottom: none;
}
.entry-header {
  margin-bottom: 40px;
  display: flex;
  flex-direction: column;
  position: relative;
}
.entry-header-menu {
  position: absolute;
  right: 0;
  top: 0;
}
.entry-header-menu a {
  color: #8c99ab;
  font-size: 13px;
}
.entry-header-menu a:hover {
  opacity: 0.7;
}
.entry-title {
  margin: 0;
  font-size: 32px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -0.02em;
  order: 1;
}
.entry-title a {
  color: #152033;
  opacity: 1;
}
.entry-title a:hover {
  opacity: 0.7;
}
.date {
  display: inline-block;
  order: 3;
  margin-top: 4px;
}
.date a {
  color: #8c99ab;
  font-size: 14px;
  font-weight: 400;
}
.entry-header .categories {
  display: none;
}
.entry-content {
  font-size: 17.2px;
  line-height: 2;
}
.entry-content h1, .entry-content h2, .entry-content h3, .entry-content h4, .entry-content h5, .entry-content h6 {
  margin-top: 2.5em;
  margin-bottom: 1em;
  font-weight: 700;
  line-height: 1.5;
  color: #152033;
}
.entry-content h1 {
  font-size: 1.75em;
}
.entry-content h2 {
  font-size: 1.5em;
  padding-bottom: 0.4em;
  border-bottom: 1px solid #e2e6ec;
}
.entry-content h3 {
  font-size: 1.25em;
}
.entry-content h4 {
  font-size: 1.125em;
}
.entry-content h5 {
  font-size: 1em;
}
.entry-content h6 {
  font-size: 0.9em;
  color: #425066;
}
.entry-content p {
  margin: 0 0 1.8em;
}
.entry-content ul, .entry-content ol {
  margin: 0 0 1.8em;
  padding-left: 1.5em;
}
.entry-content ul li, .entry-content ol li {
  margin-bottom: 0.6em;
  line-height: 2;
}
.entry-content ul li:last-child, .entry-content ol li:last-child {
  margin-bottom: 0;
}
.entry-content ul ul, .entry-content ul ol, .entry-content ol ul, .entry-content ol ol {
  margin-top: 0.6em;
  margin-bottom: 0;
}
.entry-content ul {
  list-style-type: disc;
}
.entry-content ul ul {
  list-style-type: circle;
}
.entry-content ol {
  list-style-type: decimal;
}
.entry-content blockquote {
  margin: 1.8em 0;
  padding: 16px 24px;
  border-left: 3px solid var(--accent);
  color: #425066;
  background-color: #fbfcfe;
  border-radius: 0 4px 4px 0;
}
.entry-content blockquote p:last-child {
  margin-bottom: 0;
}
.entry-content pre {
  margin: 1.8em 0;
  padding: 20px 24px;
  background-color: #f6f8fa;
  border-radius: 8px;
  overflow-x: auto;
  font-size: 14px;
  line-height: 1.7;
}
.entry-content pre code {
  padding: 0;
  background: none;
  border-radius: 0;
  font-size: inherit;
}
.entry-content code {
  padding: 3px 6px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.875em;
  background-color: #f6f8fa;
  border-radius: 4px;
}
.entry-content table {
  width: 100%;
  margin: 1.8em 0;
  border-collapse: collapse;
  font-size: 14px;
}
.entry-content table th, .entry-content table td {
  padding: 12px 16px;
  border: 1px solid #e2e6ec;
  text-align: left;
}
.entry-content table th {
  background-color: #fbfcfe;
  font-weight: 700;
}
.entry-content hr {
  margin: 2.5em 0;
  border: none;
  border-top: 1px solid #e2e6ec;
}
.entry-content img {
  display: block;
  margin: 1.8em auto;
  border-radius: 4px;
}
.entry-content .hatena-asin-detail {
  margin: 1.8em 0;
  padding: 20px;
  border: 1px solid #e2e6ec;
  border-radius: 8px;
  overflow: hidden;
}
.entry-content .hatena-asin-detail .hatena-asin-detail-image {
  float: left;
  margin-right: 16px;
}
.entry-content .hatena-asin-detail .hatena-asin-detail-info {
  overflow: hidden;
}
.entry-content iframe {
  max-width: 100%;
}
.entry-footer {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid #f0f2f5;
}
.entry-footer-section {
  color: #425066;
  font-size: 14px;
}
.entry-footer-section a {
  color: #425066;
}
.entry-footer-section .categories {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}
.entry-footer-section .categories a {
  display: inline-block;
  padding: 2px 12px;
  font-size: 13px;
  color: #425066;
  background-color: #fbfcfe;
  border-radius: 100px;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.entry-footer-section .categories a:hover {
  background-color: #e2e6ec;
  color: #152033;
  opacity: 1;
}
.entry-blog-name {
  order: 2;
  margin-top: 10px;
  font-size: 14px;
  font-weight: 400;
  color: #425066;
}
.social-buttons {
  margin-top: 16px;
}
.entry-header-html,
.entry-footer-html {
  margin: 16px 0;
}
.entry-tags-wrapper {
  margin-top: 16px;
}
.entry-tag-link {
  display: inline-block;
  margin: 0 6px 6px 0;
  padding: 2px 10px;
  font-size: 13px;
  color: #425066;
  background-color: #fbfcfe;
  border-radius: 100px;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.entry-tag-link:hover {
  background-color: #e2e6ec;
  color: #152033;
  opacity: 1;
}
.hatena-module-related-entries {
  margin-top: 32px;
}
.hatena-module-related-entries .hatena-module-title {
  font-size: 14px;
  font-weight: 700;
  color: #152033;
  text-transform: none;
  letter-spacing: 0;
  margin-bottom: 16px;
}
.hatena-module-related-entries .hatena-urllist li a {
  padding: 10px 0;
}
.google_afc_ad,
.hatena-afc-ad {
  margin: 24px 0;
  text-align: center;
}
.comment-box {
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid #e2e6ec;
}
.comment-box ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.comment {
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid #f0f2f5;
}
.comment:last-child {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 0;
}
.comment-user-name {
  font-weight: 500;
  font-size: 14px;
  margin-bottom: 4px;
}
.comment-user-name .hatena-id-icon {
  width: 24px;
  height: 24px;
  vertical-align: middle;
  border-radius: 50%;
  margin-right: 6px;
}
.comment-content {
  font-size: 14px;
  line-height: 2;
  color: #152033;
}
.comment-content p {
  margin: 0 0 0.5em;
}
.comment-content p:last-child {
  margin-bottom: 0;
}
.comment-metadata {
  margin-top: 8px;
  font-size: 13px;
  color: #8c99ab;
}
.comment-metadata a {
  color: #8c99ab;
}
.leave-comment-title {
  margin-top: 24px;
  font-size: 14px;
}
.leave-comment-title a {
  display: inline-block;
  padding: 8px 24px;
  color: #425066;
  border: 1px solid #e2e6ec;
  border-radius: 100px;
  transition: all 0.15s ease;
}
.leave-comment-title a:hover {
  color: var(--accent);
  border-color: var(--accent);
  opacity: 1;
}
.read-more-comments {
  margin-top: 16px;
  font-size: 14px;
}
.hatena-module {
  margin-bottom: 32px;
}
.hatena-module-title {
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 700;
  color: #8c99ab;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.hatena-module-title a {
  color: inherit;
}
.hatena-module-profile .profile-icon {
  display: block;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  margin-bottom: 12px;
}
.hatena-module-profile .id {
  display: block;
  font-weight: 500;
  font-size: 14px;
  margin-bottom: 8px;
}
.hatena-module-profile .id a {
  color: #152033;
}
.hatena-module-profile .profile-description {
  font-size: 14px;
  color: #425066;
  line-height: 1.7;
}
.hatena-module-profile .profile-description p {
  margin: 0;
}
.hatena-urllist {
  list-style: none;
  margin: 0;
  padding: 0;
}
.hatena-urllist li {
  margin-bottom: 0;
}
.hatena-urllist li a {
  display: block;
  padding: 8px 0;
  font-size: 14px;
  color: #152033;
  border-bottom: 1px solid #f0f2f5;
}
.hatena-urllist li:last-child a {
  border-bottom: none;
}
.urllist-category-link {
  display: inline-block;
  margin-right: 4px;
  color: #425066 !important;
  font-size: 13px;
}
.urllist-date-link {
  display: block;
  font-size: 13px;
  color: #8c99ab;
  margin-top: 2px;
}
.urllist-entry-body {
  display: block;
  font-size: 13px;
  color: #425066;
  margin-top: 4px;
  line-height: 1.6;
}
.urllist-with-thumbnails li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.urllist-with-thumbnails li a {
  border-bottom: none;
  padding: 8px 0;
}
.urllist-with-thumbnails .urllist-image {
  width: 80px;
  height: 80px;
  -o-object-fit: cover;
     object-fit: cover;
  border-radius: 4px;
  flex-shrink: 0;
}
.hatena-module-search-box .search-form {
  display: flex;
  gap: 0;
}
.hatena-module-search-box .search-module-input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid #e2e6ec;
  border-right: none;
  border-radius: 4px 0 0 4px;
  font-size: 14px;
  font-family: inherit;
  background-color: #ffffff;
  color: #152033;
  outline: none;
  transition: border-color 0.15s ease;
}
.hatena-module-search-box .search-module-input:focus {
  border-color: var(--accent);
}
.hatena-module-search-box .search-module-button {
  padding: 8px 16px;
  border: 1px solid #e2e6ec;
  border-radius: 0 4px 4px 0;
  background-color: #fbfcfe;
  color: #425066;
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
  transition: background-color 0.15s ease;
}
.hatena-module-search-box .search-module-button:hover {
  background-color: #e2e6ec;
}
.pager {
  margin: 48px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
}
.pager a {
  display: inline-block;
  padding: 8px 24px;
  color: #425066;
  border: 1px solid #e2e6ec;
  border-radius: 100px;
  transition: all 0.15s ease;
}
.pager a:hover {
  color: var(--accent);
  border-color: var(--accent);
  opacity: 1;
}
.pager-prev {
  margin-right: auto;
}
.pager-next {
  margin-left: auto;
}
.breadcrumb {
  margin-bottom: 24px;
  font-size: 14px;
  color: #425066;
}
.breadcrumb a {
  color: #425066;
}
#footer {
  margin-top: 64px;
  padding: 24px 0;
  text-align: center;
  font-size: 13px;
  color: #8c99ab;
  border-top: 1px solid #f0f2f5;
}
#footer a {
  color: #8c99ab;
}
#footer p {
  margin: 4px 0;
}
#bottom-editarea {
  margin-top: 32px;
}
.page-about dt {
  font-weight: 700;
  margin-bottom: 4px;
  font-size: 14px;
  color: #425066;
}
.page-about dd {
  margin: 0 0 16px;
}
.page-archive .archive-header-category {
  margin-bottom: 24px;
  font-size: 24px;
  font-weight: 700;
  line-height: 1.5;
}
.archive-entry {
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid #f0f2f5;
}
.archive-entry:last-child {
  border-bottom: none;
}
.archive-entry .entry-title {
  font-size: 20px;
  margin: 0;
}
.archive-entry .date {
  margin-bottom: 4px;
}
.archive-entry .date a {
  font-size: 13px;
}
.archive-entry .categories {
  margin-top: 8px;
}
.archive-entry .entry-thumb {
  float: right;
  margin: 0 0 12px 16px;
  width: 120px;
  height: 120px;
  border-radius: 4px;
  background-size: cover;
  background-position: center;
}
@media (max-width: 768px) {
  .archive-entry .entry-thumb {
    width: 80px;
    height: 80px;
  }
}
.archive-entry .entry-description {
  font-size: 14px;
  color: #425066;
  line-height: 1.7;
  margin-top: 8px;
}
.keyword {
  border-bottom: none;
  color: inherit;
}
@media (max-width: 768px) {
  #blog-title {
    margin: 16px 0;
  }
  .entry-title {
    font-size: 24px;
  }
  .entry {
    margin-bottom: 32px;
    padding-bottom: 32px;
  }
  .entry-content h1 {
    font-size: 1.5em;
  }
  .entry-content h2 {
    font-size: 1.3em;
  }
  .entry-content h3 {
    font-size: 1.15em;
  }
}
/* </system> */