/* ========================================
   古のブログ — 2000年代レトロスタイル
   ======================================== */

/* --- リセット & ベース --- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  /* ドット柄の背景（タイル風） */
  background-color: #c0c8d8;
  background-image:
    radial-gradient(circle, #a8b0c0 1px, transparent 1px);
  background-size: 12px 12px;
  color: #1a1a2e;
  font-family: "ＭＳ ゴシック", "MS Gothic", "Courier New", monospace;
  font-size: 14px;
  line-height: 1.7;
}

/* --- 全体ラッパー --- */
.page-wrapper {
  max-width: 920px;
  margin: 16px auto;
  border: 3px outset #aab4c8;
  background: #e8ecf4;
  box-shadow: 4px 4px 0px #6a7080;
}

/* --- marquee 風スクロールテキスト --- */
.marquee-bar {
  background: linear-gradient(to right, #2a3a6a, #4a5a9a, #2a3a6a);
  color: #ffff00;
  font-size: 12px;
  font-weight: bold;
  padding: 3px 0;
  overflow: hidden;
  white-space: nowrap;
  border-bottom: 2px inset #5a6a8a;
}

.marquee-bar .marquee-text {
  display: inline-block;
  padding-left: 100%;
  animation: marquee-scroll 18s linear infinite;
}

@keyframes marquee-scroll {
  0% {
    transform: translateX(0);
  }

  100% {
    transform: translateX(-100%);
  }
}

/* --- ヘッダー --- */
header {
  background: linear-gradient(180deg, #3a4a7a 0%, #2a3a6a 100%);
  color: #ffffff;
  text-align: center;
  padding: 12px 16px;
  border-bottom: 3px outset #5a6a9a;
}

header h1 {
  font-size: 24px;
  letter-spacing: 4px;
  text-shadow:
    2px 2px 0px #1a1a3a,
    0 0 8px #8888ff;
  border-bottom: none;
  padding-bottom: 0;
  margin: 0;
}

header h1 a {
  color: #ffff88 !important;
  text-decoration: none;
}

header h1 a:visited {
  color: #ffff88 !important;
}

header h1 a:hover {
  color: #ffffff !important;
  text-shadow:
    2px 2px 0px #1a1a3a,
    0 0 16px #aaaaff,
    0 0 32px #ffffff;
}

header .site-desc {
  font-size: 11px;
  color: #aabbee;
  margin-top: 2px;
}

/* --- コンテンツレイアウト（2カラム） --- */
.content-area {
  display: flex;
  gap: 0;
  min-height: 500px;
}

/* --- メインコンテンツ --- */
main {
  flex: 1;
  padding: 16px;
  border-right: 2px groove #b0b8c8;
  max-width: none;
  margin: 0;
  background: #f0f2f8;
}

/* --- 見出し --- */
h1,
h2,
h3 {
  color: #2a3a6a;
  border-bottom: 2px solid #8090b0;
  padding-bottom: 4px;
  margin-top: 16px;
  margin-bottom: 8px;
}

h2 {
  font-size: 16px;
  background: linear-gradient(to right, #d0d8e8, transparent);
  padding: 4px 8px;
  border-left: 4px solid #4a5a9a;
}

h3 {
  font-size: 14px;
  border-bottom: 1px dashed #8090b0;
}

/* --- リンク（昔風） --- */
a {
  color: #0000cc;
  text-decoration: underline;
}

a:visited {
  color: #660099;
}

a:hover {
  color: #ff0000;
  text-decoration: underline;
}

a:active {
  color: #ff6600;
}

/* --- ヘッダーリンク上書き --- */
header a {
  color: inherit;
  text-decoration: none;
}

header a:visited {
  color: inherit;
}

header a:hover {
  text-decoration: none;
}

/* --- 記事一覧 --- */
.post-list {
  list-style: none;
  padding: 0;
}

.post-list li {
  background: #ffffff;
  border: 1px solid #a0a8b8;
  border-left: 4px solid #4a5a9a;
  margin-bottom: 8px;
  padding: 8px 12px;
  transition: background 0.15s;
}

.post-list li:hover {
  background: #e8ecff;
}

.post-list .post-date {
  font-size: 11px;
  color: #666;
}

/* --- 記事メタ情報（日付など） --- */
.post-meta {
  font-size: 12px;
  color: #555;
  background: #e0e4f0;
  display: inline-block;
  padding: 2px 8px;
  border: 1px solid #b0b8c8;
}

/* --- 記事ナビゲーション --- */
.post-nav {
  margin-top: 12px;
  padding: 8px;
  background: #e0e4f0;
  border: 1px solid #a0a8b8;
  font-size: 13px;
}

.post-nav p {
  margin: 4px 0;
}

/* --- 記事コンテンツ --- */
article {
  background: #ffffff;
  border: 2px inset #c0c8d8;
  padding: 12px 16px;
  margin-bottom: 12px;
}

article ul,
article ol {
  padding-left: 1.5em;
  margin: 8px 0;
}

.article-title {
  font-size: 18px;
  color: #1a2a5a;
  background: linear-gradient(to right, #c0c8e0, transparent);
  padding: 4px 8px;
  border-left: 4px solid #2a3a6a;
  margin-top: 0;
}

/* ========================================
   サイドバー
   ======================================== */
aside.sidebar {
  width: 220px;
  min-width: 220px;
  padding: 12px;
  background: #dce0ec;
  font-size: 12px;
}

/* サイドバーの各ボックス */
.side-box {
  background: #f0f2f8;
  border: 2px outset #b0b8c8;
  margin-bottom: 12px;
  padding: 0;
}

.side-box-title {
  background: linear-gradient(180deg, #4a5a9a, #3a4a7a);
  color: #ffffff;
  font-size: 12px;
  font-weight: bold;
  padding: 4px 8px;
  text-align: center;
  letter-spacing: 1px;
  text-shadow: 1px 1px 0 #1a1a3a;
}

.side-box-content {
  padding: 8px;
}

/* プロフィール */
.profile-icon {
  display: block;
  margin: 0 auto 6px;
  width: 64px;
  height: 64px;
  border: 2px inset #a0a8b8;
  object-fit: cover;
}

.profile-name {
  text-align: center;
  font-weight: bold;
  color: #2a3a6a;
  margin-bottom: 4px;
}

.profile-msg {
  color: #444;
  line-height: 1.5;
}

/* サイドバーリスト */
.side-list {
  list-style: none;
  padding: 0;
}

.side-list li {
  padding: 3px 0;
  border-bottom: 1px dotted #a0a8b8;
}

.side-list li:last-child {
  border-bottom: none;
}

.side-list a {
  font-size: 12px;
}

/* 訪問者カウンター（フッター上部バー） */
.counter-bar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  background: #f8faff;
  border-top: 2px groove #b0b8c8;
  padding: 6px 12px;
  font-size: 11px;
  color: #2a3a6a;
}

.counter-bar img {
  display: block;
  height: 120px;
  width: auto;
  image-rendering: pixelated;
}

/* --- フッター --- */
footer {
  background: linear-gradient(180deg, #3a4a7a 0%, #2a3a6a 100%);
  color: #aabbdd;
  font-size: 10px;
  text-align: center;
  padding: 8px;
  border-top: 3px outset #5a6a9a;
}

footer hr {
  display: none;
}

footer p {
  margin: 2px 0;
}

footer a {
  color: #88aaee;
}

/* --- タグ --- */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.tag-badge {
  display: inline-block;
  background: linear-gradient(180deg, #e8ecf4, #c0c8d8);
  color: #2a3a6a !important;
  font-size: 11px;
  padding: 2px 8px;
  border: 1px outset #b0b8c8;
  text-decoration: none !important;
  white-space: nowrap;
}

.tag-badge:hover {
  background: linear-gradient(180deg, #f0f4ff, #d8e0f0);
  color: #ff0000 !important;
}

.tag-badge:visited {
  color: #2a3a6a !important;
}

.tag-link {
  font-size: 12px;
}

.back-link {
  margin-top: 12px;
}

/* --- ユーティリティ --- */
hr {
  border: none;
  border-top: 1px solid #8090b0;
  margin: 8px 0;
}

/* --- レスポンシブ対応 --- */
@media (max-width: 700px) {
  .content-area {
    flex-direction: column;
  }

  main {
    border-right: none;
    border-bottom: 2px groove #b0b8c8;
  }

  aside.sidebar {
    width: 100%;
    min-width: auto;
  }
}