/* =========================================================
   01. テーマカラー・共通変数
   - サイト全体で使う色、影、フォント変数を定義
   - 色を調整したいときはまずここを見る
========================================================= */
:root {
  --bg: #171614;
  --bg-soft: #201e1a;
  --panel: #26231f;
  --panel-2: #2d2924;

  --text: #e8decc;
  --summary: #cdbfa9;
  --muted: #b8aa95;
  --muted-full: rgb(145, 141, 133);

  --line: rgba(232, 222, 204, 0.14);
  --line-strong: rgba(232, 222, 204, 0.22);

  --accent-green: #8fa878;
  --accent-yellow: #c7a24a;

  --link-yellow: #ccb37c;

  --shadow: rgba(0, 0, 0, 0.28);
  --shadow-soft: rgba(0, 0, 0, 0.18);

  /* 仮のレトロUI風フォント
     本物のドットフォントを導入する場合はここを差し替える */
  --pixel-font:
    "DotGothic16",
    "Courier New",
    "Consolas",
    "Monaco",
    monospace;
  --body-font:
    "Hiragino Kaku Gothic ProN",
    "Yu Gothic",
    "Meiryo",
    sans-serif;
}

/* =========================================================
   02. リセット・基本設定
   - 全体の box-sizing
   - body の背景、文字色、基本フォント
========================================================= */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--body-font);
  background:
    radial-gradient(circle at top left, rgba(143, 168, 120, 0.05), transparent 28%),
    radial-gradient(circle at bottom right, rgba(199, 162, 74, 0.04), transparent 30%),
    var(--bg);
  color: var(--text);
  line-height: 1.7;
  letter-spacing: 0.02em;
}

a {
  color: var(--link-yellow);
  text-decoration: none;
  transition: background-color 0.2s;
}
a:hover {
  text-decoration-thickness: 2px;
  background: rgba(199, 162, 74, 0.15);
}

figcaption {
  color: var(--muted-full);
  font-size: 0.76rem;
  margin-bottom: 4px;
}


/* =========================================================
   03. サイト全体の外枠
   - ページ全体を包むコンテナ
   - 背景ハッチングもここで追加
========================================================= */
.site-shell {
  width: min(1100px, calc(100% - 32px));
  margin: 24px auto;
  border: 1px solid var(--line-strong);
  border-radius: 18px;
  background:
    linear-gradient(to bottom, rgba(255,255,255,0.015), rgba(255,255,255,0)),
    var(--bg-soft);
  box-shadow: 0 16px 40px var(--shadow);
  position: relative;
  overflow: hidden;
}

.site-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(
      -45deg,
      rgba(255,255,255,0.018) 0 2px,
      transparent 2px 10px
    );
  opacity: 0.16;
}

/* =========================================================
   04. ヘッダー
   - タイトルや説明文の領域
   - 内側に控えめなハッチング装飾あり
========================================================= */
.site-header {
  position: relative;
  margin: 16px;
  padding: 30px 28px 24px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background:
    linear-gradient(to bottom, rgba(143, 168, 120, 0.04), transparent 70%);
  overflow: visible;
}

.site-header::after {
  content: "";
  position: absolute;
  right: 10px;
  bottom: 10px;
  width: 96px;
  height: 64px;
  opacity: 0.10;
  pointer-events: none;
  background:
    repeating-linear-gradient(
      -45deg,
      rgba(255,255,255,0.16) 0 2px,
      transparent 2px 8px
    );
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
}

/* =========================================================
   05. ヤドリギ風モチーフ
   - 仮の抽象マーク
   - あとでロゴ画像やSVGに差し替えたい場合はこのブロックを削除してOK
========================================================= */
.mistletoe-mark {
  position: absolute;
  image-rendering: pixelated;
  left: 8px;
  top: 6px;
  width: 200px;
  height: auto;
  max-width: none;
  pointer-events: none;
  z-index: 0;
}

.header-inner {
  position: relative;
  z-index: 1;
  padding-left: 110px;
}

.site-title {
  margin: 0;
  font-family: var(--pixel-font);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 600;
  letter-spacing: 0.03em;
  line-height: 1.2;
}

.site-subtitle {
  font-family: var(--pixel-font);
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.site-rule {
  width: 100%;
  height: 1px;
  margin-top: 18px;
  background: linear-gradient(
    to right,
    transparent,
    var(--accent-green),
    transparent
  );
  opacity: 0.42;
}

/* =========================================================
   06. 2カラムレイアウト
   - 左サイドバー + 右メインコンテンツ
========================================================= */
.layout {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  min-height: 70vh;
  gap: 16px;
  padding: 0 16px 16px;
}

/* =========================================================
   07. サイドバー
   - ナビゲーションと補足文
========================================================= */
.sidebar {
  padding: 22px 18px 24px 22px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background:
    linear-gradient(to bottom, rgba(255,255,255,0.012), transparent),
    rgba(255,255,255,0.01);
  position: relative;
}

/* ラベルやナビなど、UIっぽい部分だけレトロ寄りフォントを適用 */
.nav-label,
.hero-kicker,
.card h3,
.journal-meta,
.memo-strip strong,
.footer-links,
.footer-tag {
  font-family: var(--pixel-font);
  letter-spacing: 0.06em;
}

.nav-label {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
}

/* =========================================================
   08. ナビゲーション
   - hover は静かに反応
   - current には双葉アイコンを表示
========================================================= */
.nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.nav a {
  position: relative;
  display: inline-block;
  text-decoration: none;
  padding: 7px 14px 7px 18px;
  color: var(--text);
  border-left: 2px solid transparent;
  border-radius: 8px;
  transition:
    background-color 0.16s ease,
    color 0.16s ease,
    border-color 0.16s ease,
    box-shadow 0.16s ease,
    transform 0.16s ease;
  font-family: var(--pixel-font);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
}

/* ナビ項目の先頭記号 */
.nav a::before {
  content: ">";
  position: absolute;
  left: 4px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent-yellow);
  opacity: 0.85;
  font-size: 0.9rem;
}

/* hover 時の反応
   揺らさず、色と背景だけ軽く変える */
.nav a:hover {
  color: #fff7e7;
  background: rgba(255,255,255,0.035);
  border-left-color: rgba(143, 168, 120, 0.55);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.025);
}

/* 現在ページ */
.nav a[aria-current="page"] {
  color: #fff7e7;
  background: rgba(255,255,255,0.045);
  border-left-color: var(--accent-green);
  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,0.025),
    0 0 0 1px rgba(143, 168, 120, 0.10);
}

/* =========================================================
   09. 双葉アイコン（仮）
   - CSSだけで作った仮アイコン
   - 画像やSVGに差し替える場合は .sprout 関連を削除してOK
========================================================= */
.nav a[aria-current="page"] .sprout {
  position: absolute;
  right: -12px;
  top: 50%;
  width: 16px;
  height: 16px;
  transform: translateY(-50%);
  pointer-events: none;
}

.nav a[aria-current="page"] .sprout::before,
.nav a[aria-current="page"] .sprout::after {
  content: "";
  position: absolute;
  width: 8px;
  height: 11px;
  background: var(--accent-green);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 9px 9px 9px 0;
  box-shadow: 0 1px 2px rgba(0,0,0,0.18);
}

.nav a[aria-current="page"] .sprout::before {
  left: 1px;
  top: 1px;
  transform: rotate(-34deg);
}

.nav a[aria-current="page"] .sprout::after {
  right: 1px;
  top: 1px;
  transform: scaleX(-1) rotate(-34deg);
}

/* サイドバー下の補足文 */
.nav-note {
  margin-top: 26px;
  padding: 12px 12px 10px;
  border: 1px solid rgba(232, 222, 204, 0.10);
  border-radius: 12px;
  color: var(--muted);
  font-size: 0.86rem;
  background: rgba(0,0,0,0.08);
}

/* =========================================================
   10. メインコンテンツ共通
========================================================= */
.content {
  padding: 0 0 12px;
}

/* =========================================================
   11. ヒーローセクション
   - ページ冒頭の紹介文
========================================================= */
.hero {
  padding: 18px 18px 22px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background:
    linear-gradient(to bottom, rgba(255,255,255,0.02), transparent 60%),
    var(--panel);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.03);
  position: relative;
}

.hero::after {
  content: "";
  position: absolute;
  right: 10px;
  bottom: 10px;
  width: 96px;
  height: 64px;
  opacity: 0.10;
  pointer-events: none;
  background:
    repeating-linear-gradient(
      -45deg,
      rgba(255,255,255,0.16) 0 2px,
      transparent 2px 8px
    );
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
}

/* ヒーロー左上の小さなラベル */
.hero-kicker {
  display: inline-block;
  margin-bottom: 10px;
  padding: 3px 8px;
  border: 1px solid rgba(232, 222, 204, 0.12);
  border-radius: 999px;
  color: var(--accent-yellow);
  font-size: 0.76rem;
  text-transform: uppercase;
}

.hero h2 {
  margin: 0;
  font-family: var(--pixel-font);
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  line-height: 1.35;
}

.hero p {
  margin: 12px 0 0;
  color: var(--muted);
  max-width: 56ch;
}

.hero img {
  height: 100%;
  object-fit: contain;
  border: 1px solid rgba(232, 222, 204, 0.12);
  border-radius: 8px;
  margin: 0.8em 0;
  background: rgba(255,255,255,0.02);
  display: block;
}

/* =========================================================
   11.5 フィルタUIボックス
   - Journal一覧のカテゴリ切替などに使う
   - hero のすぐ下に置く想定
========================================================= */
.filter-panel {
  margin-top: 12px;
  padding: 10px 14px;
  border: 1px solid rgba(232, 222, 204, 0.10);
  border-radius: 12px;
  background:
    linear-gradient(to bottom, rgba(255,255,255,0.015), transparent),
    rgba(255,255,255,0.01);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.filter-label {
  font-family: var(--pixel-font);
  font-size: 0.78rem;
  text-transform: lowercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.filter-select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  padding: 7px 30px 7px 10px;
  border: 1px solid rgba(232, 222, 204, 0.12);
  border-radius: 8px;
  background:
    linear-gradient(to bottom, rgba(255,255,255,0.03), rgba(255,255,255,0.01)),
    var(--panel);
  color: var(--text);
  font-size: 0.9rem;
  line-height: 1.2;
}

.filter-select:focus {
  outline: none;
  border-color: rgba(143, 168, 120, 0.55);
  box-shadow: 0 0 0 2px rgba(143, 168, 120, 0.12);
}

/* =========================================================
   12. カード2列部分
   - Journal / Works の2カラム
========================================================= */
.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(240px, 0.65fr);
  gap: 18px;
  margin-top: 18px;
  align-items: start;
}

/* =========================================================
   13. 共通カード
   - 少しだけ斜めにするための modifier class あり
========================================================= */
.card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  padding: 18px;
  overflow: hidden;
  box-shadow: 0 8px 18px var(--shadow-soft);
  transition:
    border-color 0.16s ease,
    box-shadow 0.16s ease,
    background-color 0.16s ease;
}

.card:hover {
  border-color: rgba(232, 222, 204, 0.20);
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.22);
}

.card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(to bottom right, rgba(255,255,255,0.02), transparent 35%);
  opacity: 0.8;
}

/* カード見出し
   ファイル名・ログ名のような雰囲気にする */
.card h3 {
  margin: 0 0 12px;
  font-size: 0.95rem;
  text-transform: lowercase;
  position: relative;
  z-index: 1;
}

.card h3::before {
  content: "[ ";
  color: var(--accent-yellow);
}

.card h3::after {
  content: " ]";
  color: var(--accent-yellow);
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  position: relative;
  z-index: 1;
}

/* 斜め表現
   破綻しにくいように角度はかなり控えめ */
.card--tilt-left {
  transform: rotate(-0.0deg);
}

.card--tilt-right {
  transform: rotate(0.0deg);
}

/* =========================================================
   14. Journal カード専用
   - 可読性を高めるため背景と文字色を少し調整
========================================================= */
.card--journal {
  background:
    linear-gradient(to bottom, rgba(255,255,255,0.02), transparent 60%),
    var(--panel-2);
}

.card--journal .journal-title {
  color: var(--text);
}

.card--journal .journal-summary {
  color: #cdbfa9;
}

.card--journal .journal-meta {
  color: var(--accent-green);
}

.journal-list {
  display: grid;
  gap: 12px;
  margin-top: 12px;
  position: relative;
  z-index: 1;
}

.journal-item {
  padding: 14px 0 16px;
  border-top: 1px solid rgba(232, 222, 204, 0.08);
}

.journal-item:first-child {
  border-top: none;
  padding-top: 0;
}

.journal-item--with-thumb-right {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 14px;
  align-items: start;
}

.journal-meta {
  font-size: 0.76rem;
  margin-bottom: 4px;
}

.journal-main {
  min-width: 0;
}


.journal-title {
  font-size: 1rem;
  margin: 0 0 4px;
}

.journal-summary {
  font-size: 0.92rem;
}

/* summary ありの記事用 */
.entry-summary {
  color: var(--summary);
  font-size: 0.90rem;
  line-height: 1.7;
}

.entry-summary p {
  color: var(--summary);
  font-size: 0.90rem;
  line-height: 1.7;
}

/* summary なしの記事用（本文プレビュー） */
.entry-body-preview {
  color: var(--text);
  font-size: 0.98rem;
  line-height: 1.85;
  letter-spacing: 0.01em;
}

/* 本文プレビュー内の段落が複数ある場合 */
.entry-body-preview p {
  color: var(--text);
  font-size: 0.98rem;
  line-height: 1.85;
  letter-spacing: 0.01em;
  margin: 0 0 0.9em;
}

.entry-body-preview p:last-child {
  margin-bottom: 0;
}

/* =========================================================
   15. Works カード専用
   - 仮のサムネイル表示
   - 実画像に差し替え可
========================================================= */
.thumb {
  aspect-ratio: 16 / 10;
  border: 1px solid rgba(232, 222, 204, 0.12);
  border-radius: 12px;
  background:
    repeating-linear-gradient(
      -45deg,
      rgba(255,255,255,0.022) 0 2px,
      transparent 2px 10px
    ),
    linear-gradient(135deg, rgba(143,168,120,0.12), rgba(199,162,74,0.06)),
    var(--panel-2);
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 0.82rem;
  font-family: var(--pixel-font);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.work-media {
  width: 100%;
  aspect-ratio: 16 / 9;
  margin-bottom: 12px;
  border: 1px solid rgba(232, 222, 204, 0.12);
  border-radius: 12px;
  background:
    repeating-linear-gradient(
      -45deg,
      rgba(255,255,255,0.018) 0 2px,
      transparent 2px 10px
    ),
    rgba(255,255,255,0.02);
  display: grid;
  place-items: center;
  overflow: hidden;
}

.work-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.work-list {
  display: grid;
  gap: 0;
  position: relative;
  z-index: 1;
}

.work-item {
  padding: 0 0 16px;
  margin: 0 0 16px;
  border-bottom: 1px solid rgba(232, 222, 204, 0.10);
}

.work-item:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: none;
}

.work-title {
  margin: 0 0 6px;
  font-size: 0.98rem;
  color: var(--text);
}

.work-text {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* =========================================================
   15.5 記事一覧サムネイル
   - Journal一覧で使う小さめ画像
   - 本文を邪魔しないサイズに制限する
========================================================= */
.entry-thumb {
  display: block;
  image-rendering: pixelated;
  width: min(image-width, 200px);
  max-width: 200px;
  height: auto;
  margin: 10px 0 12px;
  border: 1px solid rgba(232, 222, 204, 0.10);
  border-radius: 10px;
  object-fit: cover;
  background: rgba(255,255,255,0.03);
}

.entry-thumb--right {
  width: 100%;
  max-width: none;
  margin: 2px 0 0;
}

/* =========================================================
   16. 下部メモ
   - 補足メッセージ用
========================================================= */
.memo-strip {
  margin-top: 18px;
  padding: 14px 16px;
  border: 1px solid rgba(232, 222, 204, 0.11);
  border-radius: 14px;
  background:
    repeating-linear-gradient(
      -45deg,
      rgba(255,255,255,0.012) 0 2px,
      transparent 2px 10px
    ),
    rgba(199, 162, 74, 0.05);
  color: var(--text);
  font-size: 0.92rem;
}

.memo-strip strong {
  color: var(--accent-yellow);
  font-weight: 600;
  text-transform: lowercase;
}

/* =========================================================
   17. フッター
   - 小さなステータス表現やリンク群
========================================================= */
.site-footer {
  margin: 0 16px 16px;
  padding: 16px 24px 20px;
  border: 1px solid rgba(232, 222, 204, 0.10);
  border-radius: 14px;
  color: var(--muted);
  font-size: 0.85rem;
  background: rgba(0,0,0,0.10);
}

.footer-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}

.footer-tag {
  color: var(--muted);
  font-size: 0.76rem;
  text-transform: uppercase;
}

.footer-links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 0.82rem;
}

.footer-links a {
  transition: color 0.16s ease, opacity 0.16s ease;
}

.footer-links a:hover {
  color: var(--accent-yellow);
  opacity: 1;
}

/* =========================================================
   18. 記事単体（Markdown出力）用のスタイル
   - <div>の中に流し込まれる素のHTMLタグを装飾する
========================================================= */
.post-content {
  position: relative;
  z-index: 1;
  color: var(--text);
  font-size: 0.98rem;
  line-height: 1.85;
  letter-spacing: 0.01em;
}

/* 段落 */
.post-content p {
  color: var(--text);
  margin: 0 0 1.4em;
}
.post-content p:last-child {
  margin-bottom: 0;
}

/* 見出し類：サイトのテーマに合わせてピクセルフォント化 */
.post-content h2,
.post-content h3,
.post-content h4 {
  font-family: var(--pixel-font);
  margin: 1.8em 0 0.8em;
  line-height: 1.4;
  letter-spacing: 0.04em;
}

/* h2: 少し目立たせる（下線付き） */
.post-content h2 {
  font-size: 1.4rem;
  color: var(--accent-yellow);
  border-bottom: 1px dashed var(--line-strong);
  padding-bottom: 0.4em;
}

/* h3: 先頭にコマンドプロンプト風の装飾 */
.post-content h3 {
  font-size: 1.1rem;
  color: var(--accent-green);
  text-transform: none;
}
.post-content h3::before {
  content: "> ";
  opacity: 0.8;
}
.post-content h3::after {
  content: "";
  opacity: 0.8;
}

/* h4: 先頭にコマンドプロンプト風の装飾 */
.post-content h4 {
  color: var(--text);
  font-size: 0.9rem;
}
.post-content h4::before {
  content: "> ";
  opacity: 0.8;
}

/* リンク: サイト全体のカラーに合わせる */
.post-content a {
  color: var(--accent-yellow);
  text-decoration: none;
  border-bottom: 1px solid rgba(199, 162, 74, 0.4);
  transition: background-color 0.2s;
}
.post-content a:hover {
  background: rgba(199, 162, 74, 0.15);
}

/* 画像: Worksやサムネイルと同じ「枠付き」にする */
.post-content img {
  max-width: 100%;
  height: auto;
  border: 1px solid rgba(232, 222, 204, 0.12);
  border-radius: 8px;
  margin: 0.8em 0;
  background: rgba(255,255,255,0.02);
  display: block;
}

/* 引用ブロック (blockquote) */
.post-content blockquote {
  margin: 1.4em 0;
  padding: 12px 16px;
  border-left: 3px solid var(--accent-green);
  background: rgba(143, 168, 120, 0.06);
  color: var(--muted);
  border-radius: 0 8px 8px 0;
}
.post-content blockquote p {
  margin-bottom: 0;
}

/* リスト (ul, ol) */
.post-content ul,
.post-content ol {
  margin: 0 0 1.4em;
  padding-left: 1.5em;
}
.post-content li {
  margin-bottom: 0.4em;
}

/* =========================================================
   19. レスポンシブ対応
   - タブレット以下で1カラム化
   - スマホでは余白を少し詰める
========================================================= */
@media (max-width: 820px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .section-grid {
    grid-template-columns: 1fr;
  }

  .header-inner {
    padding-left: 64px;
  }

  .mistletoe-mark {
    width: 90px;
    height: 90px;
  }

  /* スマホや狭い画面では斜めを解除した方が安定 */
  .card--tilt-left,
  .card--tilt-right {
    transform: none;
  }

  .nav a[aria-current="page"] .sprout {
    right: 8px;
  }
}

@media (max-width: 700px) {
  .journal-item--with-thumb-right {
    grid-template-columns: 1fr;
  }

  .entry-thumb--right {
    width: min(100%, 260px);
    margin-top: 10px;
  }
}

@media (max-width: 560px) {
  .site-shell {
    width: min(100% - 16px, 1100px);
    margin: 8px auto;
    border-radius: 14px;
  }

  .site-header,
  .sidebar,
  .site-footer {
    margin-left: 8px;
    margin-right: 8px;
  }

  .layout {
    padding-left: 8px;
    padding-right: 8px;
    padding-bottom: 8px;
  }

  .hero,
  .card {
    padding: 14px;
  }

  .site-header {
    padding-left: 18px;
    padding-right: 18px;
  }

  .header-inner {
    padding-left: 52px;
  }
}