body{
    font-family: "Yu Gothic", "Hiragino Sans", sans-serif;
    line-height: 1.8;
    margin:0;
    background:#f7f7f7;
}
	
	/* ヘッダー */
.site-header{
    background:#ffffff;
    border-bottom:1px solid #e5e5e5;
    padding:14px 20px;
    position:sticky;
    top:0;
    z-index:100;
}

.header-inner{
    max-width:1100px;
    margin:0 auto;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
}

/* ロゴ */
.logo-area img{
    height:auto;
    width:auto;
    display:block;
}

/* タイトル */
.product-title{
    font-size:22px;
    font-weight:bold;
    color:#333;
    text-decoration:none;
    transition:0.2s;
}

.product-title:hover{
    color:#ff8a00;
}

/* スマホ対応 */
@media screen and (max-width:768px){

    .header-inner{
        flex-direction:column;
        text-align:center;
    }

    .logo-area img{
        height:42px;
    }

    .product-title{
        font-size:18px;
    }
}

.container{
    max-width:900px;
    margin:0 auto;
    padding:20px;
}

.manual-box{
    background:#fff;
    border-radius:10px;
    padding:30px;
    margin-bottom:30px;
    box-shadow:0 2px 8px rgba(0,0,0,0.05);
}

h1{
    font-size:28px;
    margin-bottom:30px;
    text-align:center;
}

h2{
    font-size:22px;
    border-left:6px solid #ff8a00;
    padding-left:12px;
    margin-top:0;
    margin-bottom:20px;
}

.step{
    margin-bottom:20px;
    padding-bottom:20px;
    border-bottom:1px solid #eee;
}

.step:last-child{
    border-bottom:none;
}

.step-number{
    display:inline-block;
    background:#ff8a00;
    color:#fff;
    width:32px;
    height:32px;
    line-height:32px;
    text-align:center;
    border-radius:50%;
    font-weight:bold;
    margin-right:10px;
}

.notice{
    background:#fff8ef;
    border:1px solid #ffd9a8;
    padding:15px;
    border-radius:8px;
    margin-bottom:20px;
}

.example{
    background:#f5f5f5;
    padding:15px;
    border-radius:8px;
    margin-top:15px;
	margin-bottom:15px;
}

@media screen and (max-width:768px){

    .manual-box{
        padding:20px;
    }

    h1{
        font-size:24px;
    }

    h2{
        font-size:20px;
    }

    body{
        font-size:16px;
    }
	
}