@charset "UTF-8";
/*
Theme Name: Theme-SI-Note
Template: Theme-SI-Original
Author: S.I.
Description: ブログ「現役システムエンジニアの備忘録」（si-note.com）のテーマ。Theme-SI-Original の子テーマ。
Version: 1.1.0
Requires at least: 7.0
Requires PHP: 8.1
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: theme-si-note
*/

/*
 * このファイルは、親テーマ（Theme-SI-Original）の style.css の後に読み込まれる。
 * si-note 独自のスタイル（本文の枠・トップページ・サイトマップなど）をここに書く。
 */

/* =========================================================
   WordPress の「追加CSS」から移したスタイル（2026-09-26）
   本文の枠（AddQuicktag・ショートコードで入れるもの）・トップページ・サイトマップ・ページ送り
   ========================================================= */

/* ---------------------------------------------------------
   エックスサーバーの紹介（parts/xserver-box.php）
   --------------------------------------------------------- */
.xserver-box {
  border: 2px solid #e5e5e5;
  border-radius: 8px;
  padding: 18px 20px;
  margin: 30px 0;
  background: #f0f8ff; /* Xserverの淡いブルー */
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
  text-align: left;
}

.xserver-box h3 {
  margin-top: 0;
  font-size: 1.25rem;
  font-weight: 700;
  color: #2b7bb9; /* Xserverブルー */
  border-left: 6px solid #2b7bb9;
  padding-left: 10px;
}

.xserver-box p {
  line-height: 1.7;
  margin-bottom: 12px;
  color: #333;
}

/* ボタン（自然な幅） */
.xserver-box a[href*="a8.net"] {
  display: inline-block;
  background: #2b7bb9;
  color: #fff !important;
  padding: 10px 16px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  transition: 0.2s;
  margin-top: 12px;
}

.xserver-box a[href*="a8.net"]:hover {
  background: #1a5e8a;
  transform: translateY(-2px);
}

/* A8の1px画像の余白ゼロ */
.xserver-box img {
  display: block;
  margin: 0;
  padding: 0;
  line-height: 0;
}

@media (max-width: 600px) {
  .xserver-box {
    padding: 16px;
  }
  .xserver-box h3 {
    font-size: 1.15rem;
  }
  .xserver-box a[href*="a8.net"] {
    padding: 12px;
  }
}

/* ---------------------------------------------------------
   ロードマップ共通デザイン（基礎・全体・各カテゴリ）
   --------------------------------------------------------- */
.roadmap-step,
.roadmap-category {
  border: 2px solid #e5e5e5;
  border-radius: 10px;
  padding: 20px;
  margin: 25px 0;
  background: #fafafa;
}

.roadmap-step h3,
.roadmap-category h3 {
  margin-top: 0;
  font-size: 1.3em;
  border-left: 6px solid #007acc;
  padding-left: 10px;
}

.roadmap-step p,
.roadmap-category p {
  margin: 10px 0 15px;
}

.roadmap-step ul,
.roadmap-category ul {
  margin: 0;
  padding-left: 20px;
}

.roadmap-step ul li,
.roadmap-category ul li {
  margin-bottom: 8px;
}

/* ---------------------------------------------------------
   インラインコード
   --------------------------------------------------------- */
.inline-code {
  background: #f2f2f2;
  padding: 2px 4px;
  border-radius: 4px;
  font-size: 95%;
  color: #333;
  font-family: "Source Code Pro", Consolas, monospace;
}

/* ---------------------------------------------------------
   サイトマップ（page-sitemap.php）
   --------------------------------------------------------- */
.html-sitemap {
    padding: 20px 10px;
}

.html-sitemap h2 {
    font-size: 1.6rem;
    margin-top: 40px;
    margin-bottom: 15px;
    padding-bottom: 5px;
    border-bottom: 2px solid #ddd;
}

.html-sitemap ul {
    list-style: none;
    padding-left: 0;
    margin-left: 0;
}

.html-sitemap ul li {
    margin: 6px 0;
    padding-left: 1.2em;
    position: relative;
}

.html-sitemap ul li a {
    color: #0073aa;
    text-decoration: none;
}

.html-sitemap ul li a:hover {
    text-decoration: underline;
}

/* 子記事（カテゴリ配下の記事）を少しインデント */
.html-sitemap ul ul {
    margin-left: 1.2em;
    border-left: 2px solid #eee;
    padding-left: 1em;
}

/* 子カテゴリの記事一覧は、初めは閉じておく */
.sitemap-posts {
    display: none;
    margin-left: 1.2em;
    border-left: 2px solid #eee;
    padding-left: 1em;
}

.sitemap-category.open .sitemap-posts {
    display: block;
}

.sitemap-toggle {
    cursor: pointer;
    display: inline-block;
    color: #0073aa;
    text-decoration: none;
}

.sitemap-toggle::after {
    content: " ▼";
    font-size: 0.8rem;
    color: #666;
}

.sitemap-category.open > .sitemap-toggle::after {
    content: " ▲";
}

.parent-title {
    font-weight: bold;
    font-size: 1.2rem;
}

/* ---------------------------------------------------------
   トップページ：学習カテゴリのカード（home.php）
   --------------------------------------------------------- */
.top-cards .card-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 20px;
}

.top-cards .category-card {
  width: calc(50% - 10px);
  background: #f9f9f9;
  border: 1px solid #ddd;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.05);
  box-sizing: border-box;
  padding: 16px 20px;
}

@media (max-width: 768px) {
  .top-cards .category-card {
    width: 100%;
  }
}

.top-cards .category-card .card-inner {
  display: flex;
  align-items: center;
  gap: 16px;
}

.top-cards .category-card .card-icon {
  width: 80px;
  height: 80px;
  flex-shrink: 0;
}

.top-cards .category-card .card-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.top-cards .category-card .card-content h3 {
  margin: 0 0 6px;
  font-size: 1.2rem;
}

.top-cards .category-card .card-content p {
  margin: 0 0 10px;
  font-size: 0.95rem;
  color: #555;
  line-height: 1.5;
}

.top-cards .category-card .card-button {
  display: inline-block;
  padding: 8px 14px;
  background: #0073aa;
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: 0.2s;
}

.top-cards .category-card .card-button:hover {
  background: #005f8d;
  transform: translateY(-2px);
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

/* トップページ：人気記事の抜粋（新着記事と同じサイズ） */
.top-popular .smanone2 {
    font-size: 13px;
    color: #1a1a1a;
    line-height: 18px;
}

/* ---------------------------------------------------------
   ページ送り：ずれの修正と中央寄せ
   --------------------------------------------------------- */
.st-pagelink {
  text-align: center;
}

.st-pagelink .page-numbers {
  float: none;
  display: inline-block;
  margin: 0 5px 5px;
  height: auto;
  line-height: 1.4;
}

.st-pagelink .page-numbers.current {
  opacity: 1;
  background-color: #0073aa;
  color: #fff;
  font-weight: bold;
}

/* ---------------------------------------------------------
   Udemyの紹介の枠
   --------------------------------------------------------- */
.udemy-box,
.roadmap-udemy-box {
  border: 2px solid #e5e5e5;
  border-radius: 8px;
  padding: 18px 20px;
  margin: 30px 0;
  background: #fafafa;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}

.udemy-box h2,
.roadmap-udemy-box h3 {
  margin-top: 0;
  font-weight: 700;
  color: #333;
  border-left: 6px solid #ff6f61; /* Udemyカラーに寄せたアクセント */
  border-right: none;
  border-top: none;
  border-bottom: none;
  background: none;
  padding-left: 10px;
}

.udemy-box h3,
.roadmap-udemy-box h4 {
  background: #f2f2f2;
}

.udemy-box p,
.roadmap-udemy-box p {
  line-height: 1.7;
  margin-bottom: 12px;
  color: #444;
}

/* リンク（Udemyボタン風） */
.udemy-box a,
.roadmap-udemy-box a {
  display: inline-block;
  background: #ff6f61;
  color: #fff !important;
  padding: 10px 16px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  transition: 0.2s;
}

.udemy-box a:hover,
.roadmap-udemy-box a:hover {
  background: #e85b50;
  transform: translateY(-2px);
}

@media (max-width: 600px) {
  .udemy-box,
  .roadmap-udemy-box {
    padding: 16px;
  }
  .udemy-box h2,
  .roadmap-udemy-box h3 {
    font-size: 1.15rem;
  }
  .udemy-box a,
  .roadmap-udemy-box a {
    width: 100%;
    text-align: center;
    padding: 12px;
  }
}

/* ---------------------------------------------------------
   書籍の紹介の枠
   --------------------------------------------------------- */
.book-box,
.roadmap-book-box {
  border: 2px solid #e5e5e5;
  border-radius: 8px;
  padding: 18px 20px;
  margin: 30px 0;
  background: #fffef8; /* 書籍の紙の色 */
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}

.book-box h2,
.roadmap-book-box h3 {
  margin-top: 0;
  font-weight: 700;
  color: #444;
  border-left: 6px solid #f2c94c; /* 書籍＝黄色系 */
  border-right: none;
  border-top: none;
  border-bottom: none;
  background: none;
  padding-left: 10px;
}

.book-box h3,
.roadmap-book-box h4 {
  background: #fff9e8;
}

.book-box p,
.roadmap-book-box p {
  line-height: 1.7;
  margin-bottom: 12px;
  color: #333;
}

/* 書籍リンク（ボタン風） */
.book-box a,
.roadmap-book-box a {
  display: inline-block;
  background: #f2c94c;
  color: #333 !important;
  padding: 10px 16px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  transition: 0.2s;
  margin-top: 12px;
}

.book-box a:hover,
.roadmap-book-box a:hover {
  background: #e0b843;
  transform: translateY(-2px);
}

/* A8・もしも等の1px画像の余白ゼロ */
.book-box img,
.roadmap-book-box img {
  display: block;
  margin: 0;
  padding: 0;
  line-height: 0;
}

/* Amazon・楽天のボタンの横並び */
.book-links {
  display: flex;
  gap: 10px;
  margin-top: 12px;
  flex-wrap: wrap; /* スマホで折り返し */
}

.book-links a {
  flex: 1;               /* 幅を均等にする */
  text-align: center;
  white-space: nowrap;   /* 改行しない */
}

@media (max-width: 600px) {
  .book-box,
  .roadmap-book-box {
    padding: 16px;
  }
  .book-box h2,
  .roadmap-book-box h3 {
    font-size: 1.15rem;
  }
  .book-box a,
  .roadmap-book-box a {
    padding: 12px;
  }
  .book-links {
    flex-direction: column;
  }
}

/* ---------------------------------------------------------
   スクールの紹介の枠
   --------------------------------------------------------- */
.school-box,
.roadmap-school-box {
  border: 2px solid #e5e5e5;
  border-radius: 8px;
  padding: 18px 20px;
  margin: 30px 0;
  background: #f6fff6; /* スクール＝グリーン系 */
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}

.school-box h2,
.roadmap-school-box h3 {
  margin-top: 0;
  font-weight: 700;
  color: #2e7d32;
  border-left: 6px solid #2e7d32;
  border-right: none;
  border-top: none;
  border-bottom: none;
  background: none;
  padding-left: 10px;
}

.school-box h3,
.roadmap-school-box h4 {
  background: #e9f7e9;
}

.school-box p,
.roadmap-school-box p {
  line-height: 1.7;
  margin-bottom: 12px;
  color: #333;
}

.school-box a,
.roadmap-school-box a {
  display: inline-block;
  background: #2e7d32;
  color: #fff !important;
  padding: 10px 16px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  transition: 0.2s;
  margin-top: 12px;
}

.school-box a:hover,
.roadmap-school-box a:hover {
  background: #256628;
  transform: translateY(-2px);
}

/* A8・もしも等の1px画像の余白ゼロ */
.school-box img,
.roadmap-school-box img {
  display: block;
  margin: 0;
  padding: 0;
  line-height: 0;
}

@media (max-width: 600px) {
  .school-box,
  .roadmap-school-box {
    padding: 16px;
  }
  .school-box h2,
  .roadmap-school-box h3 {
    font-size: 1.15rem;
  }
  .school-box a,
  .roadmap-school-box a {
    padding: 12px;
  }
}

/* ---------------------------------------------------------
   資格の紹介の枠（AWS資格＝ブルー系）
   --------------------------------------------------------- */
.cert-box {
  border: 2px solid #e5e5e5;
  border-radius: 8px;
  padding: 18px 20px;
  margin: 30px 0;
  background: #f0f7ff;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}

.cert-box h2 {
  margin-top: 0;
  font-weight: 700;
  color: #1e5aa8;
  border-left: 6px solid #1e5aa8;
  border-right: none;
  border-top: none;
  border-bottom: none;
  background: none;
  padding-left: 10px;
}

.cert-box h3 {
  background: #e3efff;
}

.cert-box p {
  line-height: 1.7;
  margin-bottom: 12px;
  color: #333;
}

.cert-box a {
  display: inline-block;
  background: #1e5aa8;
  color: #fff !important;
  padding: 10px 16px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  transition: 0.2s;
  margin-top: 8px;
}

.cert-box a:hover {
  background: #174a8a;
  transform: translateY(-2px);
}

@media (max-width: 600px) {
  .cert-box {
    padding: 16px;
  }
  .cert-box h2 {
    font-size: 1.15rem;
  }
  .cert-box a {
    padding: 12px;
  }
}

/* ---------------------------------------------------------
   記事の見出し（アイキャッチ＋タイトル。single.php・page.php）
   --------------------------------------------------------- */
.article-header {
  background-color: #e3f2fd;
  border-radius: 8px;
  padding: 16px 24px;
  margin-bottom: 24px;
}

/* 画像＋タイトルの横並び */
.header-top {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 8px;
  flex-wrap: nowrap; /* スマホでもできるだけ横並び */
}

/* 画像：最大300px、画面が狭ければ縮む */
.header-icon img {
  width: 100%;
  max-width: 300px;
  height: auto;
  object-fit: cover;
  border-radius: 8px;
}

/* タイトルは残りの幅を使う */
.header-title {
  font-size: 1.6em;
  font-weight: bold;
  margin: 0;
  color: #333;
  line-height: 1.4;
  flex: 1;
}

@media (max-width: 480px) {
  .header-top {
    flex-wrap: nowrap;
  }

  .header-icon img {
    max-width: 150px;
  }
}

/* ---------------------------------------------------------
   コードの枠
   --------------------------------------------------------- */
.code-block pre,
.code-block code {
  font-family: "Noto Sans JP", sans-serif !important;
  font-size: 15px;
}

/* ---------------------------------------------------------
   本文の枠（ポイント・FAQ・次に読む記事・関連記事・補足）
   --------------------------------------------------------- */
.point-box {
  background: #F3F7FA;
  border: 1px solid #DDE3E8;
  padding: 12px 16px;
  margin: 32px 0;
  border-radius: 6px;
}

.point-box h2 {
  border-left: 4px solid #4A90E2;
  border-right: none;
  border-top: none;
  border-bottom: none;
  padding-left: 12px;
  font-weight: bold;
  margin-bottom: 16px;
  background: none;
}

.point-box ul {
  margin: 0;
  padding-left: 20px;
}

/* FAQ */
.faq-box {
  border: 1px solid #DDE3E8;
  padding: 12px 16px;
  margin: 32px 0;
  background: #F3F7FA;
  border-radius: 6px;
}

.faq-item {
  border: 1px solid #DDE3E8;
  border-radius: 6px;
  margin-bottom: 16px;
  background: #ffffff;
}

.faq-box h2 {
  border-left: 4px solid #4A90E2;
  border-right: none;
  border-top: none;
  border-bottom: none;
  padding-left: 12px;
  font-weight: bold;
  margin-bottom: 16px;
  background: none;
}

.faq-q {
  background: #E8F1FB;
  padding: 12px 16px;
  border-radius: 4px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.faq-a {
  background: #ffffff;
  padding: 12px 16px;
  border-radius: 4px;
  margin-top: 8px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.faq-label {
  background: #4A90E2;
  color: #fff;
  padding: 4px 8px;
  border-radius: 4px;
  font-weight: bold;
  font-size: 14px;
  flex-shrink: 0;
}

.faq-label-a {
  background: #7BB661;
  color: #fff;
  padding: 4px 8px;
  border-radius: 4px;
  font-weight: bold;
  font-size: 14px;
  flex-shrink: 0;
}

.entry-content .faq-box .faq-q p {
  font-weight: 700 !important;
  font-size: 16px !important;
}

.faq-q p,
.faq-a p {
  margin: 0;
  line-height: 1.6;
}

/*
 * 次に読む記事
 * 追加CSSでは2か所で定義していた。後の定義が効いていた部分（枠・見出し・リンク）と、
 * 先の定義にしかなかった部分（段落・リスト）を1つにまとめた（見た目は変わらない）。
 */
.next-article-box {
  border: 1px solid #DDE3E8;
  padding: 12px 16px;
  margin: 32px 0;
  background: #F3F7FA;
  border-radius: 6px;
}

.next-article-box h2 {
  border-left: 4px solid #4A90E2;
  border-right: none;
  border-top: none;
  border-bottom: none;
  padding-left: 12px;
  font-weight: bold;
  margin-bottom: 16px;
  background: none;
}

.next-article-box p {
  margin: 0 0 8px;
  font-weight: 600;
  color: #333;
}

.next-article-box ul {
  margin: 0;
  padding-left: 18px;
}

.next-article-box li {
  margin-bottom: 6px;
}

.next-article-box a {
  color: #1A73E8;
  text-decoration: none;
}

.next-article-box a:hover {
  text-decoration: underline;
}

/* 関連記事 */
.related-box {
  border: 1px solid #DDE3E8;
  padding: 12px 16px;
  margin: 32px 0;
  background: #F3F7FA;
  border-radius: 6px;
}

.related-box h2 {
  border-left: 4px solid #4A90E2;
  border-right: none;
  border-top: none;
  border-bottom: none;
  padding-left: 12px;
  font-weight: bold;
  margin-bottom: 16px;
  background: none;
}

.related-box ul {
  margin: 0;
  padding-left: 20px;
}

.related-box a {
  color: #1A73E8;
  text-decoration: none;
}

.related-box a:hover {
  text-decoration: underline;
}

/* 補足 */
.supplement-box {
  border: 1px solid #DDE3E8;
  padding: 12px 16px;
  margin-top: 0;        /* 上の余白をなくす */
  margin-bottom: 16px;
  background: #F3F7FA;
  border-radius: 6px;
}

.supplement-box h2 {
  border-left: 4px solid #4A90E2;
  border-right: none;
  border-top: none;
  border-bottom: none;
  padding-left: 12px;
  font-weight: bold;
  margin-bottom: 16px;
  background: none;
}

.supplement-box ul {
  margin: 0;
  padding-left: 20px;
}

.supplement-box a {
  color: #1A73E8;
  text-decoration: none;
}

.supplement-box a:hover {
  text-decoration: underline;
}

/* ---------------------------------------------------------
   html-rules.md（BlogOS の品質基準）の部品
   --------------------------------------------------------- */

/* 広告を含むことの表示（3-1。ステマ規制のため、本文と同じ大きさの文字で、枠で囲む） */
.pr-note {
  border: 1px solid #DDE3E8;
  background: #FAFAFA;
  padding: 8px 12px;
  margin: 0 0 24px;
  border-radius: 4px;
  font-size: inherit;
  color: #333;
}

/* 教材の枠の見出しの「PR」の印（3-10） */
.pr-label {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 6px;
  border: 1px solid #999;
  border-radius: 3px;
  font-size: 12px;
  font-weight: normal;
  line-height: 1.5;
  color: #666;
  background: #fff;
  vertical-align: middle;
}

/* 注意の枠（3-6。黄色の背景と左の線） */
.caution-box {
  background: #FFF8E1;
  border-left: 4px solid #F2B600;
  padding: 12px 16px;
  margin: 24px 0;
  border-radius: 0 6px 6px 0;
}

/* まとめ（3-12。point-box と同じ見た目） */
.summary-box {
  background: #F3F7FA;
  border: 1px solid #DDE3E8;
  padding: 12px 16px;
  margin: 32px 0;
  border-radius: 6px;
}

.summary-box h2 {
  border-left: 4px solid #4A90E2;
  border-right: none;
  border-top: none;
  border-bottom: none;
  padding-left: 12px;
  font-weight: bold;
  margin-bottom: 16px;
  background: none;
}

.summary-box ul {
  margin: 0;
  padding-left: 20px;
}

/* 次に読む記事・関連記事の理由（3-13。少し小さい灰色の文字） */
.next-article-box p.reason,
.related-box p.reason {
  margin: 2px 0 0;
  font-size: 13px;
  color: #777;
}

/* 表（3-14）：スマホで横にはみ出す表は、表だけを横にスクロールする */
@media only screen and (max-width: 599px) {
  .entry-content table {
    display: block;
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

/* パンくずの区切り（親テーマの st_breadcrumb） */
#breadcrumb .breadcrumb-sep {
  margin: 0 4px 0 2px;
}