body {
	background-image: url("../backboard/Garden.jpg");
  	background-size: cover;
  	background-attachment: fixed;
      }

      .notice {
	background-color: rgba(255, 255, 255, 0.6);
  	margin-top: 0.3rem;
  	margin-bottom: 0.3rem;
  	padding: 0.1rem 0.5rem;
  	border-radius: 0.5rem;
	max-width: 800px;
      }

       .note {
 	font-size: 90%;
  	color: #555;
  	margin-top: 0.4rem;
  	margin-bottom: 0.4rem;
      }


      p, li {
        color:#333333;
        font-size:110%;
        line-height: 1.8;
      }
     
     p {
        margin-bottom: 0.8rem;
      }

     h2 {
	font-size: 140%;
	margin-top: 1.5rem;
	margin-bottom: 0.5rem;
     }

     h3 {
	color: #2a4d8f; /* 落ち着いた青 */
	font-size: 125%;
	margin-top: 2.2rem;
        margin-bottom: 0.5rem;
      }

     h4 {
	color: #3a3a3a; /* 少し濃いグレー */
	font-size: 115%;
	margin-top: 1.8rem;
        margin-bottom: 0.3rem;
      }

     h5 {
	color: #4a4a4a;
	font-size: 105%;
	margin-top: 2.0rem;
        margin-bottom: 0.6rem;
      }

     ul {
        margin-top: 0.3rem;
        margin-bottom: 1rem;
        padding-left: 1.4rem;
      }

     ul li {
 	list-style-type: circle;
      }

     .steps {
        background-color: transparent;
  	border-radius: 0.6rem;
  	margin-top: 1rem;
  	margin-bottom: 1rem;
	max-width: 800px;
      }

      .steps ol {
  	margin: 0;
  	padding-left: 1.4rem;
      }

     ol li {
  	margin-bottom: 1.4rem;
      }

      li img {
  	display: block;
  	margin-top: 0.6rem;
  	margin-bottom: 3.0rem;
 	width: 90%;
  	max-width: 300px;
  	border-radius: 0.4rem;
  	border: 1px solid #cccccc;
      }

      details.steps-block {
  	margin-top: 0.4rem;
  	margin-bottom: 0.4rem;
  	background-color: rgba(255, 255, 255, 0.55);
  	border-radius: 0.6rem;
  	padding: 0.8rem 0.6rem;
  	max-width: 800px;
      }

      details.steps-block h4 {
        color: #2a4d8f; /* summary と同じ青 */
	font-size: 110%;
        margin-top: 1.8rem;
        margin-bottom: 0.4rem;
      }

      details.steps-block > summary {
  	cursor: pointer;
  	font-weight: bold;
  	font-size: 110%;
  	color: #2a4d8f;
  	list-style: none;
      }

      details.steps-block > summary .sub {
        font-size: 0.85em;
        font-weight: normal;
        opacity: 0.9;
        display: block;
        margin-top: 0.2rem;
        color: #2a4d8f; /* summary と同じ青 */
      }

      details.steps-block > summary::-webkit-details-marker {
  	display: none;
      }

      details.steps-block > summary::before {
  	content: "▶ ";
  	color: #2a4d8f;
      }

      details.steps-block[open] > summary::before {
  	content: "▼ ";
      }

	/* 大見出し（1.ウィジェットが更新されない など）用 */
      details.faq-section {
  	margin-top: 0.6rem;
  	margin-bottom: 0.6rem;
  	background-color: rgba(255, 255, 255, 0.45);
  	border-radius: 0.6rem;
  	padding: 0.4rem 0.4rem;
  	max-width: 800px;
      }

      details.faq-section h3 {
        color: #2a4d8f; /* summary と同じ青 */
	font-size: 115%;
	margin-top: 1.8rem;
        margin-bottom: 0.3rem;
      }
	/* 大見出しの summary */
      details.faq-section > summary {
  	cursor: pointer;
  	font-weight: bold;
  	font-size: 125%;
  	line-height: 1.6;
	color: #2a4d8f;
  	list-style: none;
      }

      .faq-section .sub {
        font-size: 0.9em;
        font-weight: normal;
        opacity: 0.95;
        display: block;
        margin-top: 0.15rem;
      }

      /* デフォルトの三角を消す */
      details.faq-section > summary::-webkit-details-marker {
  	display: none;
      }

      /* 閉じているときのアイコン */
      details.faq-section > summary::before {
  	content: "▶ ";
  	color: #2a4d8f;
      }

      /* 開いているときのアイコン */
      details.faq-section[open] > summary::before {
  	content: "▼ ";
      }