body {
  font-family: 'Segoe UI', 'Meiryo', sans-serif;
  background: var(--bg, #f5f5fa);
  color: var(--fg, #222);
  margin: 0;
  padding: 0;
}

:root {
  --bg: #f5f5fa;
  --fg: #222;
  --card-bg: #fff;
  --card-shadow: rgba(0,0,0,0.08);
  --accent: #4f8cff;
  --memo-bg: #eaf4ff;
  --memo-border: #4f8cff;
}

/* 記事リストのカード */
ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  align-items: center;
}

ul li {
  background: var(--card-bg);
  border-radius: 1.5rem;
  box-shadow: 0 4px 16px var(--card-shadow);
  transition: transform 0.2s, box-shadow 0.2s;
  padding: 2rem 2.2rem;
  width: 100%;
  max-width: 420px;
  margin: 0.5rem 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  align-items: center;
}


ul li:hover {
  transform: translateY(-8px) scale(1.03);
  box-shadow: 0 10px 28px rgba(79,140,255,0.18);
}

ul li .card-title {
  text-decoration: none;
  color: var(--accent);
  font-weight: bold;
  font-size: 1.3rem;
  margin-bottom: 0.7em;
  letter-spacing: 0.02em;
}
ul li .card-comment {
  color: #888;
  font-size: 1.05em;
  margin-bottom: 0.5em;
}
ul li .card-author {
  color: #555;
  font-size: 0.98em;
  margin-bottom: 0.2em;
}
  transform: translateY(-6px) scale(1.03);
  box-shadow: 0 6px 18px rgba(79,140,255,0.18);
}

ul li a {
  text-decoration: none;
  color: var(--accent);
  font-weight: bold;
  font-size: 1.1rem;
}

/* メモ部分 */
.Memo {
  background: var(--memo-bg);
  border-left: 6px solid var(--memo-border);
  border-radius: 1rem;
  padding: 0.7rem 1rem;
  margin: 1.2rem 0 0.5rem 0;
  font-weight: bold;
  color: var(--accent);
}

.MemoContent {
  background: #fff;
  border-radius: 0.8rem;
  padding: 0.8rem 1rem;
  margin-bottom: 1.2rem;
  box-shadow: 0 1px 4px rgba(79,140,255,0.07);
  color: var(--fg);
}

/* カラーリングページ用: カラーパレット */
.palette {
  display: flex;
  gap: 1rem;
  margin: 2rem 0;
}
.palette-color {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid #eee;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0,0,0,0.07);
  transition: border 0.2s, box-shadow 0.2s;
}
.palette-color.selected {
  border: 2px solid var(--accent);
  box-shadow: 0 4px 12px rgba(79,140,255,0.15);
}

/* ヘッダー右寄せ */
header {
  display: flex;
  gap: 2rem;
  align-items: center;
  justify-content: flex-end;
  margin-bottom: 2rem;
}
/* 丸みを帯びたボタン */
button {
  border-radius: 1.2rem;
  border: none;
  padding: 0.6rem 1.2rem;
  background: var(--accent);
  color: #fff;
  font-weight: bold;
  cursor: pointer;
  box-shadow: 0 2px 8px var(--card-shadow);
  transition: background 0.2s;
}
button:hover {
  background: #3566b7;
}

.card {
    font-size:1.2em;
    font-weight:bold;
    color:var(--accent);
    margin-bottom:0.3em;
}

/* カラーリングのJS例（index.htmlやカラー設定ページに追加）
<script>
const palettes = [
  {bg:'#f5f5fa', fg:'#222', accent:'#4f8cff', card:'#fff', memo:'#eaf4ff', memoBorder:'#4f8cff'},
  {bg:'#fffbe6', fg:'#3a2c0b', accent:'#e6b800', card:'#fff', memo:'#fff7d6', memoBorder:'#e6b800'},
  {bg:'#f0f7fa', fg:'#1a3c4a', accent:'#2bb1c4', card:'#fff', memo:'#d6f7fa', memoBorder:'#2bb1c4'}
];
function setPalette(idx) {
  const p = palettes[idx];
  document.documentElement.style.setProperty('--bg', p.bg);
  document.documentElement.style.setProperty('--fg', p.fg);
  document.documentElement.style.setProperty('--accent', p.accent);
  document.documentElement.style.setProperty('--card-bg', p.card);
  document.documentElement.style.setProperty('--memo-bg', p.memo);
  document.documentElement.style.setProperty('--memo-border', p.memoBorder);
  localStorage.setItem('palette', idx);
}
window.addEventListener('DOMContentLoaded',()=>{
  const idx = localStorage.getItem('palette')||0;
  setPalette(idx);
});
</script>