/* <system section="theme" selected="smooth"> */
@charset "UTF-8";/*!
Theme: Smooth
Author: Hatena Blog Team
Responsive: yes
*//*!
 * Bootstrap Reboot v4.2.1 (https://getbootstrap.com/)
 * Copyright 2011-2018 The Bootstrap Authors
 * Copyright 2011-2018 Twitter, Inc.
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 * Forked from Normalize.css, licensed MIT (https://github.com/necolas/normalize.css/blob/master/LICENSE.md)
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/* </system> */

/* <system section="background" selected="f5f5f5"> */
body {
  background: #f5f5f5;
}
/* </system> */

.table-of-contents {
  padding: 15px 10px 15px 35px;
  font-size: 100%;
  border: dotted 1px #777;
  background: #f7f7f7;
}

.table-of-contents:before {
  content: "目次";
  font-size: 110%;
  font-weight: bold;
  color: #000;
}

.entry-title {
  font-size: 0.9em; /* 適宜調整 */
}

/* 人気記事モジュールのグリッド全体 */
.hatena-module-custom-popular-grid ul {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  list-style: none;
  padding: 0;
  margin: 0;
}

/* 各記事の枠 */
.hatena-module-custom-popular-grid li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  max-width: 100%;
}

/* 画像部分（調整用） */
.hatena-module-custom-popular-grid li img {
  width: 64px;
  height: auto;
  flex-shrink: 0;
  object-fit: cover;
}

/* タイトルリンク（4行まで表示） */
.hatena-module-custom-popular-grid li a {
  font-size: 0.85em;
  line-height: 1.3;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  text-overflow: ellipsis;
  max-width: 160px;
}

/* ===== Music Synopsis Global Navigation ===== */

.ms-global-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;

  gap: 0;

  margin: 48px auto 0;
  padding: 18px 24px;

  border-top: 1px solid rgba(30, 35, 35, 0.12);
  border-bottom: 1px solid rgba(30, 35, 35, 0.12);

  font-family:
    -apple-system,
    BlinkMacSystemFont,
    "Helvetica Neue",
    "Noto Sans JP",
    "Yu Gothic",
    sans-serif;

  font-size: 15px;
  line-height: 1.4;
  letter-spacing: 0.035em;
}

.ms-global-nav a {
  position: relative;
  display: inline-block;

  padding: 0 22px;

  color: #303535;
  text-decoration: none;

  transition:
    opacity 0.2s ease,
    color 0.2s ease;
}

.ms-global-nav a + a::before {
  content: "";
  position: absolute;

  left: 0;
  top: 50%;

  width: 1px;
  height: 12px;

  background: rgba(30, 35, 35, 0.18);

  transform: translateY(-50%);
}

.ms-global-nav a:hover {
  color: #000;
  opacity: 0.58;
}

/* ===== Mobile ===== */

@media screen and (max-width: 700px) {

  .ms-global-nav {
    justify-content: flex-start;

    margin-top: 28px;
    padding: 14px 18px;

    gap: 8px 18px;

    font-size: 14px;

    overflow-x: auto;
    -webkit-overflow-scrolling: touch;

    white-space: nowrap;
  }

  .ms-global-nav a {
    padding: 0;
    flex: 0 0 auto;
  }

  .ms-global-nav a + a::before {
    display: none;
  }
}

/* ===== Header Spacing ===== */

#blog-title {
  margin-bottom: 0;
  padding-bottom: 16px;
}

/* ===== Custom Navigation ===== */

.custom-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;

  gap: 0;

  width: calc(100% - 32px);
  max-width: 760px;

  margin: 12px auto 28px;
  padding: 12px 8px;

  border-top: 1px solid #d5d5d5;
  border-bottom: 1px solid #d5d5d5;

  box-sizing: border-box;
}

.custom-nav a {
  position: relative;
  display: inline-block;

  color: #303636;
  text-decoration: none;

  padding: 6px 16px;
  white-space: nowrap;
}

.custom-nav a + a::before {
  content: "";
  position: absolute;

  left: 0;
  top: 50%;

  width: 1px;
  height: 14px;

  background: #c8c8c8;

  transform: translateY(-50%);
}

.custom-nav a:hover {
  color: #777;
}

.custom-nav a:focus-visible {
  outline: 2px solid #53666b;
  outline-offset: 2px;
}

/* ===== Custom Navigation Mobile ===== */

@media screen and (max-width: 700px) {

  #blog-title {
    padding-bottom: 12px;
  }

  .custom-nav {
    width: calc(100% - 24px);

    justify-content: center;

    margin: 8px auto 20px;
    padding: 10px 6px;

    gap: 4px 8px;
  }

  .custom-nav a {
    padding: 6px 10px;
  }

  .custom-nav a + a::before {
    display: none;
  }
}

/* ===== Scroll Fixed Navigation ===== */

.ms-sticky-clone {
  display: none;

  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;

  width: 100%;
  max-width: none;
  margin: 0;
  padding: 12px 16px;

  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 0;

  box-sizing: border-box;
  background: #f5f5f5;

  border-top: none;
  border-bottom: 1px solid #d5d5d5;

  box-shadow: 0 3px 12px rgba(0,0,0,0.06);
}

.ms-sticky-clone.is-visible {
  display: flex;
}

/* ===== Mobile ===== */

@media screen and (max-width: 700px) {

  .ms-sticky-clone {
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 10px 8px;

    justify-content: center;
    flex-wrap: wrap;
    gap: 4px 8px;

    overflow-x: visible;
    white-space: normal;
  }

  .ms-sticky-clone a {
    padding: 6px 10px;
  }

  .ms-sticky-clone a + a::before {
    display: none;
  }
}

/* 固定ナビを最上部へ */

.ms-sticky-clone.is-visible {
  top: 0 !important;
}

/* 読了率を固定ナビの直下へ */

.ms-reading-under-nav {
  position: fixed !important;
  top: calc(var(--ms-fixed-nav-height, 0px) + 6px) !important;
  right: 12px !important;
  bottom: auto !important;
  left: auto !important;
  z-index: 10001 !important;
}

/* ===== Active Navigation Underline ===== */

.custom-nav a.ms-current,
.ms-global-nav a.ms-current,
.ms-sticky-clone a.ms-current {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 7px;
  text-decoration-color: #677373;
}

/* ===== Back to Top Button ===== */

.ms-back-to-top {
  position: fixed;

  right: 20px;
  bottom: calc(24px + env(safe-area-inset-bottom, 0px));

  z-index: 10000;

  display: flex;
  align-items: center;
  justify-content: center;

  width: 46px;
  height: 46px;

  border: 1px solid #d5d5d5;
  border-radius: 50%;

  background: #f5f5f5;
  color: #303535;

  font-size: 22px;
  line-height: 1;

  cursor: pointer;

  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.08);

  opacity: 0;
  visibility: hidden;
  pointer-events: none;

  transform: translateY(8px);

  transition:
    opacity 0.25s ease,
    transform 0.25s ease,
    visibility 0.25s ease;
}

.ms-back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.ms-back-to-top:hover {
  background: #eaeaea;
}

.ms-back-to-top:focus-visible {
  outline: 2px solid #53666b;
  outline-offset: 3px;
}

/* ===== Mobile ===== */

@media screen and (max-width: 700px) {
  .ms-back-to-top {
    right: 16px;
    bottom: calc(20px + env(safe-area-inset-bottom, 0px));

    width: 44px;
    height: 44px;
    font-size: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ms-back-to-top {
    transition: none;
  }
}

/* 目次リンクから移動した際の見出し位置 */

.entry-content h2,
.entry-content h3,
.entry-content h4 {
  scroll-margin-top: 80px;
}

@media screen and (max-width: 700px) {
  .entry-content h2,
  .entry-content h3,
  .entry-content h4 {
    scroll-margin-top: 110px;
  }
}

/* ===== Table of Contents Link Color ===== */

.table-of-contents a,
.table-of-contents a:link,
.table-of-contents a:visited {
  color: #303535;
  text-decoration: none;
  transition: color 0.2s ease;
}

.table-of-contents a:hover {
  color: #777777;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.table-of-contents a:focus-visible {
  outline: 2px solid #53666b;
  outline-offset: 3px;
}

/* ===== Article Link Color ===== */

/* 記事本文のリンク */
.entry-content a:link,
.entry-content a:visited {
  color: #405E73;
  text-decoration-color: #8CA2B0;
  text-underline-offset: 3px;
  transition: color 0.2s ease;
}

/* マウスを重ねたとき */
.entry-content a:hover {
  color: #263E50;
  text-decoration-color: currentColor;
}

/* 目次はダークグレーを維持 */
.entry-content .table-of-contents a:link,
.entry-content .table-of-contents a:visited {
  color: #303535;
  text-decoration: none;
}

/* 目次のホバー */
.entry-content .table-of-contents a:hover {
  color: #777777;
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ===== 特定記事のみ日付を非表示 ===== */

/* Works */
.entry:has(.entry-title-link[href$="/entry/works"])
:is(.entry-date, .entry-footer-time),

/* Contributions & Translations */
.entry:has(.entry-title-link[href$="/entry/contributions-translations"])
:is(.entry-date, .entry-footer-time) {
  display: none !important;
}

/* ===== Works・寄稿ページの読了率を非表示 ===== */

html.ms-hide-reading .ms-reading-under-nav {
  display: none !important;
}

/* ===== About Links ===== */

.ms-about-links {
  margin: 32px 0;
}

.ms-about-links p {
  padding: 12px 0;
  margin: 0;
  border-bottom: 1px solid #e0e0e0;
}

.ms-about-links a {
  color: #405E73;
  text-decoration: none;
  font-weight: 500;
}

.ms-about-links a:hover {
  text-decoration: underline;
}

.ms-about-links small {
  display: block;
  margin-top: 6px;
  color: #777;
  font-size: 0.85em;
  line-height: 1.6;
}

/* ===== Three-Dot Loading ===== */
/* このCSSは .ms-loader と、その中の3つの span がある場合に適用されます。 */

.ms-loader {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  width: max-content;
  margin: 0 auto;
}

.ms-loader > span {
  display: block;
  width: 10px;
  height: 10px;
  flex: 0 0 10px;
  border-radius: 50%;
  background: #6e7e8a;
  opacity: 0.25;
  animation: ms-dot-fade 1.2s ease-in-out infinite;
}

.ms-loader > span:nth-child(2) {
  animation-delay: 0.2s;
}

.ms-loader > span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes ms-dot-fade {
  0%, 80%, 100% {
    opacity: 0.25;
    transform: scale(1);
  }
  40% {
    opacity: 0.9;
    transform: scale(1.16);
  }
}

@media screen and (max-width: 700px) {
  .ms-loader {
    gap: 8px;
  }

  .ms-loader > span {
    width: 8px;
    height: 8px;
    flex-basis: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ms-loader > span {
    animation: none;
    opacity: 0.65;
  }
}


/* ===== Article Vertical Spacing ===== */

/* 記事枠上部の余白 */
#main .entry {
  padding-top: 44px;
}

/* 記事タイトルと本文の間隔 */
#main .entry-header {
  margin-bottom: 26px;
}




/* ===== 案内ページを記事一覧から非表示 ===== */

/* Works：トップページ */
.page-index .entry:has(
  .entry-title-link[href$="/entry/works"]
),

/* 寄稿・翻訳実績：トップページ */
.page-index .entry:has(
  .entry-title-link[href$="/entry/contributions-translations"]
),

/* Works：Archive・カテゴリ一覧 */
.page-archive .archive-entry:has(
  .entry-title-link[href$="/entry/works"]
),

/* 寄稿・翻訳実績：Archive・カテゴリ一覧 */
.page-archive .archive-entry:has(
  .entry-title-link[href$="/entry/contributions-translations"]
) {
  display: none !important;
}

/* ==========================================================
   Music Synopsis — Editorial Typography (integrated)
   Noto Sans JP / 720px / headings / quotes / captions
   ========================================================== */

/* 01. 本文：既存の16px指定は維持 */
.entry-content {
  width: 100%;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  box-sizing: border-box;

  font-family:
    "Noto Sans JP",
    "Hiragino Sans",
    "Yu Gothic",
    Meiryo,
    sans-serif;
  font-weight: 400;
  line-height: 1.82;
  letter-spacing: 0.012em;
  font-optical-sizing: auto;
  line-break: strict;
  overflow-wrap: anywhere;
}

/* 02. 見出しの階層 */
.entry-content h3 {
  font-size: 1.35em;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.015em;
  margin-top: 2.8em;
  margin-bottom: 1.1em;
}

.entry-content h4 {
  font-size: 1.15em;
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: 0.01em;
  margin-top: 2.2em;
  margin-bottom: 0.9em;
}

.entry-content h5 {
  font-size: 1.05em;
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: 0.01em;
  margin-top: 1.8em;
  margin-bottom: 0.7em;
}

/* 03. 本文直下の段落間隔 */
.entry-content > p {
  margin-top: 0;
  margin-bottom: 1.5em;
}

/* 04. 引用：テーマの四辺枠と大きい引用符を解除 */
.entry-content blockquote {
  position: relative;
  box-sizing: border-box;
  margin: 1.4em 0;
  padding: 0.65em 1.15em !important;

  border: 0 !important;
  border-left: 3px solid #8da1ae !important;
  border-radius: 0 3px 3px 0;
  box-shadow: none !important;
  background: #f8f9fa !important;
  background-image: none !important;

  color: #424b50;
  font-size: 0.97em;
  font-weight: 400;
  font-style: normal;
  line-height: 1.82;
  letter-spacing: 0.01em;
}

.entry-content blockquote::before,
.entry-content blockquote::after {
  content: none !important;
  display: none !important;
}

.entry-content blockquote p {
  margin: 0 0 0.6em;
}

.entry-content blockquote p:last-child {
  margin-bottom: 0;
}

.entry-content blockquote strong,
.entry-content blockquote b {
  font-weight: 700;
}

.entry-content blockquote cite,
.entry-content blockquote footer {
  display: block;
  margin-top: 0.9em;
  font-size: 0.85em;
  font-style: normal;
  line-height: 1.6;
  color: #667782;
  text-align: right;
}

/* 05. 図版キャプション：長文でも読みやすい左揃え */
.entry-content figcaption,
.entry-content .image-caption {
  font-family:
    "Noto Sans JP",
    "Hiragino Sans",
    sans-serif;
  font-size: 0.84em;
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: 0.01em;
  color: #667078;
  text-align: left;
  margin-top: 0.5em;
  margin-bottom: 1.5em;
}

/* 06. スマートフォン */
@media screen and (max-width: 767px) {
  .entry-content {
    max-width: 100%;
  }

  .entry-content h3 {
    margin-top: 2.3em;
    margin-bottom: 1em;
  }

  .entry-content h4 {
    margin-top: 1.9em;
  }

  .entry-content blockquote {
    margin: 1.2em 0;
    padding: 0.6em 0.85em !important;
  }

  .entry-content figcaption,
  .entry-content .image-caption {
    line-height: 1.65;
  }
}

/* 07. ダークモード */
@media (prefers-color-scheme: dark) {
  .entry-content blockquote {
    background: #292f31 !important;
    color: #d7dddf;
    border-left-color: #8da1ae !important;
  }

  .entry-content blockquote cite,
  .entry-content blockquote footer {
    color: #b3c0c7;
  }

  .entry-content figcaption,
  .entry-content .image-caption {
    color: #b0babf;
  }
}



/* ==========================================
   Music Synopsis
   TOC / Footnotes / Sources
   ========================================== */

/* 01. 目次全体 */

.entry-content ul.table-of-contents {
  margin: 1.8em 0 2.2em;
  padding: 20px 24px;

  background: #f7f8f8;
  border: 1px solid #dfe4e6;
  border-radius: 3px;

  font-size: 0.94em;
  line-height: 1.7;
  letter-spacing: 0.01em;
}

/* 「目次」ラベル */

.entry-content ul.table-of-contents::before {
  content: "目次";
  display: block;

  margin-bottom: 0.9em;
  padding-bottom: 0.65em;

  font-size: 1em;
  font-weight: 700;
  color: #303535;
  border-bottom: 1px solid #d8dfe1;
}

/* 目次のリストマーカーを解除 */

.entry-content ul.table-of-contents,
.entry-content ul.table-of-contents ul {
  list-style: none;
}

.entry-content ul.table-of-contents ul {
  padding-left: 1em;
}

.entry-content ul.table-of-contents li {
  list-style: none;
}

.entry-content ul.table-of-contents li::before {
  content: none !important;
  display: none !important;
}

/* 第1階層：章 */

.entry-content ul.table-of-contents > li {
  margin: 0;
  padding: 0;
}

.entry-content ul.table-of-contents > li + li {
  margin-top: 0.95em;
}

.entry-content ul.table-of-contents > li > a {
  font-weight: 700;
  line-height: 1.65;
}

/* 第2階層：節 */

.entry-content ul.table-of-contents > li > ul {
  margin: 0.55em 0 0.7em;
  padding-left: 1em;

  border-left: 2px solid #c5cfd3;
}

.entry-content ul.table-of-contents
  > li > ul > li {
  margin: 0 0 0.48em;
}

.entry-content ul.table-of-contents
  > li > ul > li > a {
  font-weight: 400;
}

/* 第3階層：小節・個別項目 */

.entry-content ul.table-of-contents
  > li > ul > li > ul {
  margin: 0.4em 0 0.6em;
  padding-left: 0.9em;

  border-left: 1px solid #d8dfe1;
}

.entry-content ul.table-of-contents
  > li > ul > li > ul > li {
  margin-bottom: 0.35em;
}

.entry-content ul.table-of-contents
  > li > ul > li > ul > li > a {
  font-size: 0.92em;
  font-weight: 400;
}


/* 02. はてな標準脚注 */

/* 本文中の脚注番号 */

.entry-content a[name^="fn-"] {
  font-size: 0.8em;
  vertical-align: super;
  line-height: 0;
  margin: 0 0.12em;
  text-decoration: none;
}

/* 記事末尾の脚注領域 */

.entry-content div.footnote {
  margin: 3em 0 1.5em;
  padding: 1.2em 0 0;

  border-top: 1px solid #cbd4d8;
  background: transparent;

  font-size: 0.85em;
  line-height: 1.75;
  color: #596268;
}

/* 脚注の見出し */

.entry-content div.footnote::before {
  content: "注記・出典";
  display: block;

  margin-bottom: 1em;
  font-size: 1em;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: #303535;
}

/* 脚注各項目 */

.entry-content div.footnote p.footnote {
  margin: 0 0 0.8em;
  padding: 0;
  line-height: 1.75;
}

/* 注番号 */

.entry-content div.footnote .footnote-number {
  font-weight: 700;
  color: #405e73;
}

/* 注番号の区切り記号 */

.entry-content div.footnote .footnote-delimiter {
  margin: 0 0.35em 0 0.15em;
  color: #8a969d;
}

/* クリックして戻ったときの位置 */

.entry-content div.footnote p.footnote {
  scroll-margin-top: 90px;
}


/* 03. 記事末尾の参考資料一覧 */

/* 任意の .ms-sources セクション用 */

.entry-content .ms-sources {
  margin: 2.8em 0 1.5em;
  padding-top: 1em;
  border-top: 1px solid #cbd4d8;
}

.entry-content .ms-sources h3 {
  margin: 0 0 1.2em;
  padding: 0;
  font-size: 1.1em;
  line-height: 1.5;
  font-weight: 700;
}

.entry-content .ms-sources ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.entry-content .ms-sources li {
  list-style: none;
  margin: 0;
  padding: 0.55em 0;

  font-size: 0.88em;
  line-height: 1.75;
  color: #596268;

  overflow-wrap: break-word;
}

.entry-content .ms-sources li + li {
  border-top: 1px solid #edf0f1;
}


/* 04. スマートフォン */

@media screen and (max-width: 767px) {
  .entry-content ul.table-of-contents {
    padding: 16px 17px;
  }

  .entry-content ul.table-of-contents ul {
    padding-left: 0.8em;
  }

  .entry-content div.footnote {
    margin-top: 2.5em;
  }
}

/* ==========================================
   Music Synopsis — Archive Picks Typography
   人気記事タイトルの小型化・全文表示
   ========================================== */

/* 画像リンクを除き、文字リンクを調整 */
.hatena-module-custom-popular-grid li a:not(:has(img)) {

  /* タイトルの文字サイズ */
  font-size: 14px !important;

  /* 行間 */
  line-height: 1.45 !important;

  /* タイトルの表示幅 */
  max-width: 100% !important;

  /* 行数制限を解除 */
  display: block !important;
  -webkit-line-clamp: unset !important;
  -webkit-box-orient: initial !important;

  /* 末尾の省略を解除 */
  overflow: visible !important;
  text-overflow: clip !important;

  /* 長い英語タイトルにも対応 */
  white-space: normal !important;
  overflow-wrap: break-word;
  word-break: normal;
}

/* スマートフォン */
@media screen and (max-width: 700px) {
  .hatena-module-custom-popular-grid li a:not(:has(img)) {
    font-size: 13px !important;
    line-height: 1.4 !important;
  }
}