/* ────────────────
🌼 しゅうとくんと幸せ日和。
手書き×優しい白と黄色デザインCSS
──────────────── */

/* 背景と全体 */
body {
  background-color: #fffdfa;
  color: #3b3b3b;
  font-family: "Hiragino Maru Gothic ProN", "Yu Gothic", sans-serif;
  line-height: 1.8;
}

/* ヘッダー */
.header {
  background-color: #fff9e8;
  border-bottom: 2px solid #f6cd46;
}
.header-title {
  color: #5a4a1e;
  font-family: "Kaisei Decol", "Hiragino Maru Gothic ProN", cursive;
  font-weight: bold;
  font-size: 1.7em;
  letter-spacing: 0.03em;
}

/* 見出しデザイン */
.entry-content h2 {
  background: #fff7b2;
  border-left: 6px solid #f6cd46;
  padding: 8px 14px;
  border-radius: 8px;
  color: #4a3c1b;
  font-family: "Kaisei Decol", "Hannotate SC", cursive;
  font-weight: 600;
  font-size: 1.25em;
  margin-top: 1.8em;
}

.entry-content h3 {
  color: #5d4b22;
  font-family: "Kaisei Decol", "Hannotate SC", cursive;
  border-bottom: 1.5px dashed #f8e398;
  padding-bottom: 4px;
  margin-top: 1.4em;
}

/* 区切り線 */
hr {
  border: none;
  border-top: 1.5px dashed #f4e4a6;
  margin: 1.8em 0;
}

/* リンク */
a {
  color: #dba600;
  text-decoration: none;
  transition: all 0.3s ease;
}
a:hover {
  color: #b58900;
  text-decoration: underline;
}

/* ボタン */
.btn-yellow {
  display: inline-block;
  background-color: #fffce6;
  color: #5a4a1e;
  border: 1.5px solid #f6cd46;
  border-radius: 25px;
  padding: 10px 22px;
  text-decoration: none;
  font-weight: bold;
  font-family: "Hannotate SC", "Yu Gothic", sans-serif;
  transition: all 0.3s ease;
}
.btn-yellow:hover {
  background-color: #fff3b2;
  transform: translateY(-2