/* ============================================================
   wp-template.css
   WordPressテーマ用スタイルシート
   Noto Sans JP + slate/teal カラーパレット
   ============================================================ */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700&display=swap');

/* ---------- CSS Variables ---------- */
:root {
  --color-bg:        #ffffff;
  --color-text:      #1e293b; /* slate-800 */
  --color-muted:     #64748b; /* slate-500 */
  --color-border:    #e2e8f0; /* slate-200 */
  --color-accent:    #2dd4bf; /* teal-400 */
  --color-accent-dk: #0f766e; /* teal-700 */
  --color-nav-bg:    #0f172a; /* slate-900 */
  --color-nav-text:  #f8fafc; /* slate-50 */
  --color-footer-bg: #0f172a; /* slate-900 */
  --font-base:       'Noto Sans JP', sans-serif;
  --radius:          8px;
  --max-w:           900px;
  --max-w-nav:       1200px;
}

/* ---------- Reset / Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-base);
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a {
  color: var(--color-accent-dk);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s;
}
a:hover { color: var(--color-accent); }

/* ============================================================
   NAVIGATION
   ============================================================ */
.site-nav {
  background: var(--color-nav-bg);
  color: var(--color-nav-text);
  padding: 16px 24px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.nav-inner {
  max-width: var(--max-w-nav);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

.nav-logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-nav-text);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s;
}
.nav-logo:hover { color: var(--color-accent); }

.nav-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--color-nav-text);
  text-decoration: none;
  font-size: 0.9rem;
  white-space: nowrap;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--color-accent); }

/* ============================================================
   PAGE LAYOUT
   ============================================================ */
.page-main {
  min-height: calc(100vh - 60px);
  padding: 64px 24px 80px;
}

.page-container {
  max-width: var(--max-w);
  margin: 0 auto;
}

.page-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
  line-height: 1.3;
}

.page-date {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: 48px;
}

/* ============================================================
   WP CONTENT — WordPressのthe_content()が出力する要素
   ============================================================ */
.wp-content {
  /* 子要素間の縦スペース */
}

/* --- 段落 --- */
.wp-content p {
  margin-bottom: 1.5em;
  color: #475569; /* slate-600 */
  line-height: 1.9;
}

/* --- 見出し H2 --- */
.wp-content h2 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text);
  margin-top: 3em;
  margin-bottom: 1em;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-accent);
}

/* --- 見出し H3 --- */
.wp-content h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
  margin-top: 2.2em;
  margin-bottom: 0.8em;
  padding-left: 12px;
  border-left: 4px solid var(--color-accent);
}

/* --- 見出し H4 --- */
.wp-content h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text);
  margin-top: 1.8em;
  margin-bottom: 0.6em;
}

/* --- 見出し H5 / H6 --- */
.wp-content h5,
.wp-content h6 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-muted);
  margin-top: 1.5em;
  margin-bottom: 0.5em;
}

/* --- 箇条書きリスト --- */
.wp-content ul {
  list-style: none;
  margin: 0 0 1.5em 0;
  padding: 0;
}

.wp-content ul li {
  position: relative;
  padding-left: 1.4em;
  margin-bottom: 0.5em;
  color: #475569;
}

.wp-content ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-accent);
}

/* ネストされたul */
.wp-content ul ul {
  margin-top: 0.5em;
  margin-bottom: 0;
  padding-left: 1em;
}

.wp-content ul ul li::before {
  background: transparent;
  border: 2px solid var(--color-accent);
}

/* --- 番号付きリスト --- */
.wp-content ol {
  list-style: none;
  counter-reset: ol-counter;
  margin: 0 0 1.5em 0;
  padding: 0;
}

.wp-content ol li {
  position: relative;
  padding-left: 2em;
  margin-bottom: 0.5em;
  color: #475569;
  counter-increment: ol-counter;
}

.wp-content ol li::before {
  content: counter(ol-counter);
  position: absolute;
  left: 0;
  top: 0.1em;
  width: 1.4em;
  height: 1.4em;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ネストされたol */
.wp-content ol ol {
  margin-top: 0.5em;
  margin-bottom: 0;
  padding-left: 1em;
  counter-reset: ol-counter-inner;
}

.wp-content ol ol li {
  counter-increment: ol-counter-inner;
}

.wp-content ol ol li::before {
  content: counter(ol-counter-inner, lower-alpha);
  background: #94a3b8; /* slate-400 */
}

/* --- 引用ブロック --- */
.wp-content blockquote {
  margin: 2em 0;
  padding: 20px 24px 20px 28px;
  background: #f8fafc;
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.wp-content blockquote p {
  margin-bottom: 0.5em;
  color: #475569;
  font-style: italic;
}

.wp-content blockquote cite {
  display: block;
  font-size: 0.85rem;
  color: var(--color-muted);
  font-style: normal;
  margin-top: 8px;
}

/* --- テーブル --- */
.wp-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 2em 0;
  font-size: 0.9rem;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}

.wp-content table thead {
  background: var(--color-nav-bg);
  color: var(--color-nav-text);
}

.wp-content table th {
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
}

.wp-content table td {
  padding: 12px 16px;
  color: #475569;
  border-bottom: 1px solid var(--color-border);
}

.wp-content table tbody tr:last-child td {
  border-bottom: none;
}

.wp-content table tbody tr:nth-child(even) {
  background: #f8fafc;
}

.wp-content table tbody tr:hover {
  background: #f0fdfa; /* teal-50 */
}

/* --- 定義リスト --- */
.wp-content dl {
  margin: 0 0 2em 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}

.wp-content .dl-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 0;
  border-bottom: 1px solid var(--color-border);
}

.wp-content .dl-row:last-child {
  border-bottom: none;
}

.wp-content dt {
  padding: 14px 20px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text);
  background: #f8fafc;
  display: flex;
  align-items: flex-start;
}

.wp-content dd {
  padding: 14px 20px;
  color: #475569;
  font-size: 0.9rem;
  line-height: 1.8;
}

/* --- ボタン --- */
.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0 0 2em 0;
}

.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 6px;
  font-family: var(--font-base);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  border: 2px solid var(--color-accent);
}
.btn-primary:hover {
  background: var(--color-accent-dk);
  border-color: var(--color-accent-dk);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--color-accent-dk);
  border: 2px solid var(--color-accent);
}
.btn-outline:hover {
  background: var(--color-accent);
  color: #fff;
}

/* WordPressのwp-block-buttonクラスにも対応 */
.wp-block-button__link {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 6px;
  font-family: var(--font-base);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  background: var(--color-accent);
  color: #fff;
  border: 2px solid var(--color-accent);
  transition: all 0.2s;
}
.wp-block-button__link:hover {
  background: var(--color-accent-dk);
  border-color: var(--color-accent-dk);
  color: #fff;
}

/* --- 区切り線 --- */
.wp-content hr {
  border: none;
  border-top: 2px solid var(--color-border);
  margin: 2.5em 0;
}

/* --- 注意・情報ボックス --- */
.notice {
  padding: 16px 20px;
  border-radius: var(--radius);
  margin: 0 0 1.5em 0;
  font-size: 0.9rem;
  line-height: 1.7;
}

.notice-info {
  background: #f0fdfa;
  border-left: 4px solid var(--color-accent);
  color: #134e4a;
}

.notice-warning {
  background: #fffbeb;
  border-left: 4px solid #f59e0b;
  color: #78350f;
}

/* --- コード --- */
.wp-content code {
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.85em;
  background: #f1f5f9;
  color: #0f766e;
  padding: 2px 6px;
  border-radius: 4px;
}

.wp-content pre {
  background: #1e293b;
  color: #e2e8f0;
  padding: 20px 24px;
  border-radius: var(--radius);
  overflow-x: auto;
  margin: 0 0 1.5em 0;
  font-size: 0.85rem;
  line-height: 1.7;
}

.wp-content pre code {
  background: transparent;
  color: inherit;
  padding: 0;
  font-size: inherit;
}

/* --- テキスト装飾 --- */
.wp-content strong { font-weight: 700; color: var(--color-text); }
.wp-content em     { font-style: italic; }
.wp-content u      { text-underline-offset: 3px; }
.wp-content s      { color: var(--color-muted); }

/* --- 画像ブロック --- */
.wp-content figure {
  margin: 0 0 2em 0;
}

.wp-content figure img {
  border-radius: var(--radius);
  width: 100%;
}

.wp-content figcaption {
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-muted);
  margin-top: 8px;
}

/* WordPressのアライメントクラス */
.wp-content .alignleft  { float: left;  margin: 0 24px 16px 0; }
.wp-content .alignright { float: right; margin: 0 0 16px 24px; }
.wp-content .aligncenter { display: block; margin: 0 auto 1.5em; }
.wp-content .alignfull  { width: 100%; margin-left: 0; margin-right: 0; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-footer-bg);
  color: #94a3b8; /* slate-400 */
  padding: 48px 24px;
  margin-top: 80px;
}

.footer-inner {
  max-width: var(--max-w-nav);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

@media (min-width: 640px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer-copy {
  font-size: 0.85rem;
  color: #64748b;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-links a {
  font-size: 0.85rem;
  color: #64748b;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--color-accent); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .page-title { font-size: 1.6rem; }
  .nav-links   { display: none; }

  .wp-content .dl-row {
    grid-template-columns: 1fr;
  }

  .wp-content dt {
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 8px;
  }

  .wp-content dd {
    padding-top: 8px;
  }

  .wp-content table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}