/* ゆきひめ — 主要樣式
   - 字型: 系統 Mincho 標題 + Gothic 內文(和風手帖感、不下載字體)
   - layout: 左 sidebar nav + 右 main content; mobile 改上方 horizontal
   - 底色: 象牙白(鵝黃備案改 --bg)
   - 分隔符: ◇◆◇ 裝飾、不用實線 hr
*/

:root {
  --bg: #FAF7EE;
  --surface: #ffffff;
  --text: #1a1a1a;
  --text-soft: #4a4a4a;
  --text-faint: #7a7a7a;
  --border: #e6dfca;
  --accent: #b08949;
  --accent-soft: #d4b88a;
  --highlight: rgba(212, 184, 138, 0.35);

  /* 標題用明朝體、內文用 Gothic;Mac/iOS Hiragino → Win Yu → fallback */
  --mincho: "Hiragino Mincho ProN", "Hiragino Mincho Pro", "Yu Mincho", "YuMincho", "MS Mincho", "Songti TC", serif;
  --gothic: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "YuGothic", "Meiryo", "PingFang TC", -apple-system, system-ui, sans-serif;
  --mono: "Menlo", "Courier New", monospace;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--gothic);    /* 內文 Gothic */
  font-size: 16px;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── layout: sidebar + main ─────────────────────────── */
.page {
  display: grid;
  grid-template-columns: 220px 1fr;
  max-width: 1080px;
  margin: 0 auto;
  min-height: 100vh;
}

aside.sidebar {
  padding: 56px 24px 32px 32px;
  border-right: 1px solid var(--border);
}

aside.sidebar .site-header {
  margin-bottom: 40px;
}

aside.sidebar .site-header h1 {
  font-family: var(--mincho);   /* 站名用明朝 */
  font-size: 24px;
  font-weight: 500;
  margin: 0 0 6px;
  letter-spacing: 0.06em;
  color: var(--text);
}

aside.sidebar .site-header h1 a {
  color: inherit;
  text-decoration: none;
}

aside.sidebar .site-header .tagline {
  font-family: var(--gothic);
  font-size: 12px;
  color: var(--text-faint);
  margin: 0;
  letter-spacing: 0.08em;
}

nav.side-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

nav.side-nav a {
  font-family: var(--gothic);
  font-size: 14px;
  color: var(--text-soft);
  text-decoration: none;
  padding: 8px 10px;
  border-left: 2px solid transparent;
  letter-spacing: 0.06em;
  transition: color 0.15s, border-left-color 0.15s, background 0.15s;
}

nav.side-nav a:hover {
  color: var(--accent);
  background: rgba(176, 137, 73, 0.06);
}

nav.side-nav a.active {
  color: var(--accent);
  border-left-color: var(--accent);
  background: rgba(176, 137, 73, 0.08);
}

main {
  max-width: 680px;
  padding: 56px 40px 96px;
}

/* ── article ────────────────────────────────────────── */
article h1 {
  font-family: var(--mincho);   /* 文章標題明朝 */
  font-size: 28px;
  font-weight: 500;
  margin: 0 0 14px;
  line-height: 1.5;
  color: var(--text);
  letter-spacing: 0.02em;
}

article .meta {
  font-family: var(--gothic);
  font-size: 12px;
  color: var(--text-faint);
  margin-bottom: 48px;
  letter-spacing: 0.08em;
}

article h2 {
  font-family: var(--mincho);   /* 段落標題明朝 */
  font-size: 19px;
  font-weight: 500;
  margin: 56px 0 18px;
  color: var(--text);
  letter-spacing: 0.03em;
}

article p {
  margin: 0 0 22px;
  color: var(--text);
}

article strong {
  font-weight: 500;
  color: var(--text);
  background: linear-gradient(transparent 60%, var(--highlight) 60%);
  padding: 0 2px;
}

article a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid var(--accent-soft);
}

article a:hover {
  border-bottom-color: var(--accent);
}

article blockquote {
  margin: 24px 0;
  padding: 4px 20px;
  border-left: 3px solid var(--accent-soft);
  color: var(--text-soft);
  font-style: normal;
}

/* 分隔符:◇◆◇ 取代 hr 實線 */
article hr {
  border: none;
  margin: 56px auto;
  height: auto;
  text-align: center;
  overflow: visible;
}

article hr::before {
  content: "◇　◆　◇";
  font-family: var(--mincho);
  font-size: 13px;
  color: var(--text-faint);
  letter-spacing: 0.4em;
}

article ul {
  padding-left: 24px;
  margin: 0 0 22px;
}

article li {
  margin-bottom: 8px;
}

article em {
  font-style: normal;
  color: var(--accent);
}

article .signature {
  font-family: var(--mincho);
  font-size: 13px;
  color: var(--text-faint);
  text-align: right;
  margin-top: 56px;
  letter-spacing: 0.04em;
}

/* ── ad slot ────────────────────────────────────────── */
.ad-slot {
  margin: 56px 0 0;
  min-height: 0;
}

/* ── 文章列表(landing / gourmet 用)──────────────────── */
section.articles {
  margin: 32px 0 48px;
}

section.articles > h2 {
  font-family: var(--mincho);
  font-size: 18px;
  font-weight: 500;
  margin: 0 0 24px;
  color: var(--text-soft);
  letter-spacing: 0.08em;
}

ul.article-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

ul.article-list li {
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}

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

ul.article-list a {
  display: block;
  text-decoration: none;
  color: var(--text);
}

ul.article-list .article-title {
  font-family: var(--mincho);
  font-size: 19px;
  font-weight: 500;
  margin: 0 0 6px;
  color: var(--text);
  line-height: 1.5;
  letter-spacing: 0.02em;
}

ul.article-list .article-meta {
  font-family: var(--gothic);
  font-size: 12px;
  color: var(--text-faint);
  margin: 0 0 8px;
  letter-spacing: 0.06em;
}

ul.article-list .article-excerpt {
  font-family: var(--gothic);
  font-size: 14px;
  color: var(--text-soft);
  margin: 0;
  line-height: 1.75;
}

ul.article-list a:hover .article-title {
  color: var(--accent);
}

/* ── footer ─────────────────────────────────────────── */
footer.site-footer {
  grid-column: 1 / -1;
  margin: 0;
  padding: 32px 24px;
  border-top: 1px solid var(--border);
  font-family: var(--gothic);
  font-size: 12px;
  color: var(--text-faint);
  text-align: center;
  letter-spacing: 0.05em;
}

footer.site-footer p {
  margin: 4px 0;
}

footer.site-footer a {
  color: var(--text-soft);
  text-decoration: none;
  border-bottom: 1px dotted var(--text-faint);
}

/* ── mobile: sidebar 變上方 horizontal nav ──────────── */
@media (max-width: 720px) {
  .page {
    display: block;
  }

  aside.sidebar {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 24px 20px 16px;
  }

  aside.sidebar .site-header {
    margin-bottom: 16px;
    text-align: center;
  }

  aside.sidebar .site-header h1 {
    font-size: 20px;
  }

  nav.side-nav {
    flex-direction: row;
    justify-content: center;
    gap: 4px;
    flex-wrap: wrap;
  }

  nav.side-nav a {
    border-left: none;
    border-bottom: 2px solid transparent;
    padding: 6px 12px;
  }

  nav.side-nav a.active {
    border-left: none;
    border-bottom-color: var(--accent);
    background: transparent;
  }

  main {
    padding: 32px 20px 64px;
    max-width: 100%;
  }

  article h1 {
    font-size: 24px;
  }
}