/*header {*/
/*  background-color: #2e7d32;   *//* 緑 */
/*  color: #ffffff;              *//* 文字を白に */
/*  padding: 20px 24px;*/
/*  margin: -24px -24px 24px -24px; *//* bodyのpaddingを打ち消す */
/*}*/

/*header h1 {*/
/*  margin: 0;*/
/*  border-bottom: none; *//* 下線を消す */
/*}*/

/*header a {*/
/*  color: #ffffff;*/
/*  text-decoration: none;*/
/*  margin-right: 16px;*/
/*}*/

/*header a:hover {*/
/*  text-decoration: underline;*/
/*}*/


body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI",
  "Hiragino Kaku Gothic ProN", "Hiragino Sans",
  "Noto Sans JP", Meiryo, sans-serif;
  line-height: 1.7;
  margin: 0;
  padding: 24px;
  background-color: #f9f9f9;
  color: #333;
}
.container {
  max-width: 900px;
  margin: 0 auto;
  background: #fff;
  padding: 32px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}
h1 { font-size: 1.6rem; margin-top: 2.5rem; border-bottom: 2px solid #e0e0e0; padding-bottom: 0.5rem; }
h2 { font-size: 1.2rem; margin-top: 1.8rem; }
ul { margin-top: 0.5rem; padding-left: 1.5rem; }
li { margin-bottom: 0.5rem; }
footer { margin-top:40px; padding:20px; background:#f5f5f5; }