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

:root {
  --cream:   #faf7f2;
  --paper:   #f3ede3;
  --ink:     #2c2416;
  --ink-sub: #7a6a55;
  --accent:  #8b4513;
  --accent2: #c9956c;
  --border:  #ddd5c3;
  --white:   #ffffff;
  --success: #4a7c59;
  --error:   #9b2335;
  --shadow:  0 2px 16px rgba(44,36,22,.08);
  --font-serif: 'Playfair Display', 'Noto Serif JP', serif;
  --font-body:  'Noto Serif JP', serif;
  --radius: 2px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== サイトヘッダー ===== */
.site-header {
  background: linear-gradient(135deg, #d6eef8 0%, #bfe3f5 50%, #cceaf2 100%);
  padding: 2rem 1rem;
  text-align: center;
  position: relative;
  border-bottom: 1px solid #a8d8ee;
}
.site-header::after {
  content: '';
  display: block;
  height: 3px;
  background: linear-gradient(90deg, #7ec8e3, #a8d8ee, #7ec8e3);
  position: absolute;
  bottom: 0; left: 0; right: 0;
}
.header-inner { max-width: 900px; margin: 0 auto; }
.site-subtitle {
  font-size: .75rem;
  letter-spacing: .3em;
  color: #4a8fa8;
  text-transform: uppercase;
  margin-bottom: .5rem;
}
.site-title { font-family: var(--font-serif); font-size: 2.4rem; font-weight: 700; font-style: italic; }
.site-title a { color: #1e5f7a; }
.site-title a:hover { text-decoration: none; color: #154d66; }
.header-nav { margin-top: 1rem; display: flex; gap: 1.5rem; justify-content: center; }
.header-nav a { color: #3a7a96; font-size: .85rem; letter-spacing: .1em; }
.header-nav a:hover { color: #1e5f7a; text-decoration: none; }

/* ===== レイアウト ===== */
.layout {
  max-width: 1000px;
  margin: 3rem auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 3rem;
  align-items: start;
}
@media (max-width: 720px) {
  .layout { grid-template-columns: 1fr; }
}

/* ===== 投稿カード ===== */
.post-card {
  background: var(--white);
  border: 1px solid var(--border);
  padding: 2rem 2.2rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow);
  transition: box-shadow .2s;
}
.post-card:hover { box-shadow: 0 4px 24px rgba(44,36,22,.13); }

.post-meta { display: flex; align-items: center; gap: 1rem; margin-bottom: .75rem; }
.post-date { font-size: .8rem; color: var(--ink-sub); letter-spacing: .05em; }
.post-category {
  font-size: .72rem;
  background: var(--paper);
  border: 1px solid var(--border);
  padding: .1rem .6rem;
  border-radius: 12px;
  color: var(--accent);
  letter-spacing: .05em;
}
.post-category:hover { background: var(--accent); color: var(--white); text-decoration: none; }

.post-title { font-family: var(--font-serif); font-size: 1.35rem; margin-bottom: .6rem; font-weight: 700; }
.post-title a { color: var(--ink); }
.post-title a:hover { color: var(--accent); text-decoration: none; }
.post-excerpt { color: var(--ink-sub); font-size: .92rem; }

.post-thumbnails { display: flex; gap: .5rem; margin-top: 1rem; flex-wrap: wrap; }
.thumb { width: 80px; height: 80px; object-fit: cover; border: 1px solid var(--border); cursor: pointer; }

.post-footer { display: flex; align-items: center; justify-content: space-between; margin-top: 1.2rem; }
.read-more { font-size: .85rem; color: var(--accent); letter-spacing: .05em; }
.comment-count { font-size: .82rem; color: var(--ink-sub); }

/* ===== 記事詳細 ===== */
.post-full { background: var(--white); border: 1px solid var(--border); padding: 2.5rem; box-shadow: var(--shadow); }
.post-title-full { font-family: var(--font-serif); font-size: 1.9rem; font-weight: 700; margin-bottom: 1.5rem; line-height: 1.4; }
.post-images { display: flex; flex-wrap: wrap; gap: .75rem; margin-bottom: 2rem; }
.post-image-wrap { margin: 0; }
.post-image { max-width: 280px; max-height: 280px; object-fit: cover; cursor: zoom-in; border: 1px solid var(--border); transition: opacity .2s; }
.post-image:hover { opacity: .85; }
.post-content { font-size: 1rem; line-height: 2; color: var(--ink); }
.back-link { margin: 1.5rem 0; font-size: .85rem; }

/* ===== コメント ===== */
.comments-section { margin-top: 3rem; }
.section-title { font-family: var(--font-serif); font-size: 1.3rem; font-weight: 700; border-bottom: 2px solid var(--border); padding-bottom: .6rem; margin-bottom: 1.5rem; }
.comment { background: var(--white); border: 1px solid var(--border); padding: 1.2rem 1.5rem; margin-bottom: 1rem; }
.comment-header { display: flex; gap: 1rem; align-items: baseline; margin-bottom: .5rem; }
.comment-author { color: var(--accent); font-size: .95rem; }
.comment-date { font-size: .78rem; color: var(--ink-sub); }
.comment-body { font-size: .92rem; }
.no-comments { color: var(--ink-sub); font-size: .9rem; }

/* コメントフォーム */
.comment-form-wrap { margin-top: 2.5rem; background: var(--paper); border: 1px solid var(--border); padding: 2rem; }
.form-title { font-family: var(--font-serif); font-size: 1.1rem; margin-bottom: 1.2rem; }
.comment-form label { display: block; margin-bottom: 1rem; font-size: .88rem; }
.comment-form input, .comment-form textarea {
  display: block; width: 100%; margin-top: .3rem;
  padding: .6rem .9rem;
  border: 1px solid var(--border);
  background: var(--white);
  font-family: var(--font-body);
  font-size: .95rem;
  color: var(--ink);
}
.comment-form textarea { resize: vertical; }

/* ===== サイドバー ===== */
.sidebar-widget { background: var(--white); border: 1px solid var(--border); padding: 1.5rem; margin-bottom: 1.5rem; }
.widget-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  border-bottom: 1px solid var(--border);
  padding-bottom: .5rem;
  margin-bottom: 1rem;
  letter-spacing: .05em;
}
.archive-list, .category-list { list-style: none; }
.archive-list li, .category-list li { border-bottom: 1px solid var(--border); }
.archive-list a, .category-list a {
  display: flex; justify-content: space-between;
  padding: .45rem 0;
  font-size: .88rem;
  color: var(--ink);
  transition: color .15s;
}
.archive-list a:hover, .category-list a:hover { color: var(--accent); text-decoration: none; }
.archive-list a.active, .category-list a.active { color: var(--accent); font-weight: 700; }
.count { color: var(--ink-sub); font-size: .8rem; }

/* ===== ボタン ===== */
.btn-submit {
  display: inline-block;
  background: var(--accent);
  color: var(--white);
  border: none;
  padding: .7rem 2rem;
  font-family: var(--font-body);
  font-size: .95rem;
  cursor: pointer;
  letter-spacing: .05em;
  transition: background .2s;
}
.btn-submit:hover { background: #6b3310; }

/* ===== アラート ===== */
.alert-success {
  background: #edf5ef;
  border-left: 4px solid var(--success);
  padding: .7rem 1rem;
  color: var(--success);
  margin-bottom: 1rem;
  font-size: .9rem;
}
.alert-error {
  background: #fbeced;
  border-left: 4px solid var(--error);
  padding: .7rem 1rem;
  color: var(--error);
  margin-bottom: 1rem;
  font-size: .9rem;
}

.required { color: var(--error); font-size: .75rem; }
.no-posts { color: var(--ink-sub); padding: 2rem 0; }

/* ===== フッター ===== */
.site-footer {
  text-align: center;
  padding: 2rem;
  color: var(--ink-sub);
  font-size: .8rem;
  border-top: 1px solid var(--border);
  margin-top: 3rem;
}

/* ===== ログイン画面 ===== */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.login-box {
  background: var(--white);
  border: 1px solid var(--border);
  padding: 2.5rem 3rem;
  width: 100%;
  max-width: 360px;
  box-shadow: var(--shadow);
}
.login-title { font-family: var(--font-serif); font-size: 1.4rem; margin-bottom: 1.5rem; }
.login-hint { font-size: .8rem; color: var(--ink-sub); margin-bottom: 1.2rem; }
.login-hint code { background: var(--paper); padding: .1rem .4rem; }
.login-box label { display: block; margin-bottom: 1rem; font-size: .9rem; }
.login-box input { display: block; width: 100%; margin-top: .3rem; padding: .6rem .9rem; border: 1px solid var(--border); font-size: 1rem; }

/* ===== 管理画面 ===== */
.admin-header {
  background: var(--ink);
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.admin-header h1 { color: var(--cream); font-size: 1.1rem; font-family: var(--font-serif); }
.admin-header nav { display: flex; gap: 1rem; align-items: center; }
.admin-header nav a { color: var(--border); font-size: .85rem; }
.admin-header nav a:hover { color: var(--cream); }

.btn-new {
  background: var(--accent);
  color: var(--white) !important;
  padding: .35rem .9rem;
  font-size: .82rem;
}

.admin-container { max-width: 1000px; margin: 2rem auto; padding: 0 1.5rem; }
.admin-container h2 { font-family: var(--font-serif); font-size: 1.2rem; margin-bottom: 1.5rem; }

.admin-table { width: 100%; border-collapse: collapse; background: var(--white); font-size: .88rem; }
.admin-table th { background: var(--paper); padding: .7rem 1rem; text-align: left; border-bottom: 2px solid var(--border); font-weight: 700; }
.admin-table td { padding: .65rem 1rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
.admin-table tr:hover { background: var(--paper); }
.table-actions { display: flex; gap: .4rem; }

.btn-edit   { background: #4a7c59; color: white; padding: .2rem .6rem; font-size: .78rem; }
.btn-delete { background: var(--error); color: white; padding: .2rem .6rem; font-size: .78rem; }
.btn-comment { background: var(--accent2); color: white; padding: .2rem .6rem; font-size: .78rem; }
.btn-preview { background: var(--ink-sub); color: white; padding: .5rem 1.2rem; font-size: .88rem; margin-left: .5rem; }

/* 編集フォーム */
.edit-form { background: var(--white); border: 1px solid var(--border); padding: 2rem; }
.form-row { margin-bottom: 1.4rem; }
.form-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.edit-form label { display: block; font-size: .88rem; font-weight: 700; }
.edit-form input[type=text],
.edit-form input[type=datetime-local],
.edit-form textarea {
  display: block; width: 100%; margin-top: .35rem;
  padding: .6rem .9rem;
  border: 1px solid var(--border);
  font-family: var(--font-body);
  font-size: .95rem;
  color: var(--ink);
  background: var(--cream);
}
.edit-form textarea { resize: vertical; min-height: 300px; }
.edit-form input[type=file] { margin-top: .35rem; font-size: .88rem; }
.form-actions { display: flex; align-items: center; margin-top: 1.5rem; }

/* 既存画像チェック */
.existing-images { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: .5rem; }
.img-check-wrap { display: flex; flex-direction: column; align-items: center; gap: .3rem; font-size: .78rem; color: var(--ink-sub); }
.img-check-wrap img { width: 90px; height: 90px; object-fit: cover; border: 1px solid var(--border); }

/* プレビュー */
.image-preview-wrap { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .7rem; }
.preview-thumb { width: 90px; height: 90px; object-fit: cover; border: 1px solid var(--border); }

/* コメント管理 */
.admin-comment .comment-header a { margin-left: auto; }

/* ===== サイドバー検索 ===== */
.sidebar-search { display: flex; gap: .4rem; }
.sidebar-search input {
  flex: 1; padding: .45rem .7rem; border: 1px solid var(--border);
  font-family: var(--font-body); font-size: .88rem;
  background: var(--cream); color: var(--ink);
}
.sidebar-search button {
  background: var(--accent); color: white; border: none;
  padding: .45rem .7rem; cursor: pointer; font-size: .95rem; transition: background .2s;
}
.sidebar-search button:hover { background: #6b3310; }

/* ===== サイドバーリンク ===== */
.link-list { list-style: none; }
.link-list li { border-bottom: 1px solid var(--border); padding: .45rem 0; }
.link-list a { display: flex; justify-content: space-between; align-items: center; font-size: .88rem; color: var(--ink); transition: color .15s; }
.link-list a:hover { color: var(--accent); text-decoration: none; }
.link-arrow { font-size: .75rem; color: var(--ink-sub); }
.link-desc { display: block; font-size: .75rem; color: var(--ink-sub); margin-top: .1rem; }
.widget-empty { font-size: .85rem; color: var(--ink-sub); }

/* ===== 検索ページ ===== */
.search-heading { font-family: var(--font-serif); font-size: 1.2rem; margin-bottom: 1.2rem; }
.search-form-inline { display: flex; gap: .5rem; margin-bottom: 2rem; }
.search-form-inline input { flex: 1; padding: .55rem .9rem; border: 1px solid var(--border); font-family: var(--font-body); font-size: .95rem; background: var(--cream); }
.search-form-inline button { background: var(--accent); color: white; border: none; padding: .55rem 1.2rem; cursor: pointer; font-family: var(--font-body); font-size: .9rem; }

/* ===== CAPTCHA ===== */
.captcha-wrap { margin-bottom: 1rem; padding: 1rem; background: var(--paper); border: 1px solid var(--border); }
.captcha-question { display: block; font-size: .85rem; color: var(--ink-sub); margin-bottom: .4rem; }
.captcha-word {
  display: inline-block; font-size: 1.6rem; font-weight: 700; letter-spacing: .25em;
  color: var(--accent); background: var(--white); border: 2px dashed var(--accent2);
  padding: .3rem 1.2rem; margin-bottom: .6rem; font-family: var(--font-serif); user-select: none;
}
.captcha-wrap input { display: block; width: 100%; padding: .55rem .9rem; border: 1px solid var(--border); font-family: var(--font-body); font-size: 1rem; background: var(--white); margin-top: .3rem; }

/* ===== 管理 desc ===== */
.admin-desc { color: var(--ink-sub); font-size: .88rem; margin-bottom: 1.5rem; }

/* ===== プロフィールウィジェット ===== */
.profile-widget {
  text-align: center;
  padding: 1.8rem 1.2rem;
}
.profile-icon {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--border);
  display: block;
  margin: 0 auto .9rem;
  box-shadow: 0 2px 8px rgba(44,36,22,.12);
}
.profile-icon-placeholder {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: var(--paper);
  border: 3px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  margin: 0 auto .9rem;
}
.profile-name {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: .5rem;
  color: var(--ink);
}
.profile-bio {
  font-size: .82rem;
  color: var(--ink-sub);
  line-height: 1.7;
  text-align: left;
}

/* 管理画面プロフィール */
.profile-icon-admin-wrap {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  margin: .6rem 0 .4rem;
}
.profile-icon-admin-preview {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border);
}
.icon-delete-label {
  font-size: .85rem;
  color: var(--error);
  display: flex;
  align-items: center;
  gap: .4rem;
  cursor: pointer;
}
.field-hint {
  font-size: .78rem;
  color: var(--ink-sub);
  margin-top: .3rem;
}

/* ===== 年別アーカイブ（アコーディオン）===== */
.archive-year-list { list-style: none; }
.archive-year-item { border-bottom: 1px solid var(--border); }
.archive-year-btn {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  background: none; border: none; padding: .55rem 0; cursor: pointer;
  font-family: var(--font-body); font-size: .9rem; font-weight: 700; color: var(--ink);
  text-align: left;
}
.archive-year-btn:hover { color: var(--accent); }
.archive-year-btn.open { color: var(--accent); }
.archive-arrow { font-size: .7rem; color: var(--ink-sub); }
.archive-month-list {
  list-style: none;
  display: none;
  padding-left: .8rem;
  border-left: 2px solid var(--border);
  margin: .2rem 0 .5rem;
}
.archive-month-list.show { display: block; }
.archive-month-list li { border-bottom: 1px solid #f0ece4; }
.archive-month-list a {
  display: flex; justify-content: space-between;
  padding: .35rem 0; font-size: .84rem; color: var(--ink-sub);
}
.archive-month-list a:hover { color: var(--accent); text-decoration: none; }
.archive-month-list a.active { color: var(--accent); font-weight: 700; }

/* ===== 記事本文内の書式スタイル ===== */
.post-content a {
  color: var(--accent);
  text-decoration: underline;
  word-break: break-all;
}
.post-content a:hover { opacity: .75; }
.post-content b,
.post-content strong { font-weight: 700; }
.post-content i,
.post-content em { font-style: italic; }
.post-content u { text-decoration: underline; }
.post-content s { text-decoration: line-through; }
.post-content h2 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  margin: 1.8rem 0 .7rem;
  padding-bottom: .4rem;
  border-bottom: 2px solid var(--border);
}
.post-content h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  margin: 1.4rem 0 .5rem;
  padding-left: .7rem;
  border-left: 3px solid var(--accent2);
}
.post-content ul,
.post-content ol {
  margin: .7rem 0 .7rem 1.6rem;
  line-height: 2;
}
.post-content blockquote {
  border-left: 4px solid var(--accent2);
  padding: .5rem 1rem;
  margin: 1rem 0;
  background: var(--paper);
  color: var(--ink-sub);
  font-style: italic;
}
.post-content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1.5rem 0;
}
.post-content p { margin-bottom: .6rem; }

/* 改行対応補強 */
.post-content br { display: block; content: ''; margin-top: .2rem; }

/* ===== ページネーション ===== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin: 2rem 0 1rem;
}
.page-btn {
  display: inline-block;
  padding: .5rem 1.2rem;
  border: 1px solid var(--border);
  background: var(--white);
  color: var(--accent);
  font-size: .88rem;
  transition: background .15s;
}
.page-btn:hover { background: var(--paper); text-decoration: none; }
.page-btn.disabled {
  color: var(--border);
  cursor: default;
  pointer-events: none;
}
.page-info {
  font-size: .85rem;
  color: var(--ink-sub);
  min-width: 80px;
  text-align: center;
}

/* ===== 管理人返信（公開側） ===== */
.comment-reply {
  margin-top: .8rem;
  padding: .75rem 1rem .75rem 1.2rem;
  border-left: 3px solid #7ec8e3;
  background: #f0f8fc;
  border-radius: 0 4px 4px 0;
}
.comment-reply-label {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .78rem;
  font-weight: 700;
  color: #3a7a96;
  margin-bottom: .35rem;
}
.comment-reply-body {
  font-size: .9rem;
  color: var(--ink);
  line-height: 1.75;
}