.hero{
    min-height:100vh;
    display:flex;
    align-items:center;
    justify-content:center;
    text-align:center;
    background:#ffffff;
}

.hero-content{
    max-width:1100px;
    padding:40px;
    margin:0 auto;
}

.hero-brand{
    font-size:32px;
    font-weight:700;
    letter-spacing:2px;
    color:#333;
    margin-bottom:35px;
}

.hero-title{
    font-size:64px;
    line-height:1.25;
    font-weight:bold;
    margin-bottom:40px;
    text-align:center;
}

.hero-title span{
    display:block;
}

.hero-logo{
    display:block;
    max-width:360px;
    width:100%;
    height:auto;
    margin:0 auto;
    border-radius:24px;
}

.hero-subtitle{
    font-size:28px;
    line-height:1.9;
    font-weight:400;
    color:#555;
    margin:50px auto 45px;
    max-width:760px;
    text-align:center;
}

.hero-button{
    display:inline-block;
    padding:18px 48px;
    background:#2d6cdf;
    color:#fff;
    font-size:22px;
    font-weight:700;
    text-decoration:none;
    border-radius:8px;
    transition:0.25s;
}

.hero-button:hover{
    background:#1f56b5;
    transform:translateY(-2px);
}

.chapter{
    padding:100px 0;
    background:#fafafa;
}

.chapter-container{
    max-width:900px;
    margin:0 auto;
    padding:0 30px;
}

.chapter-title{
    text-align:center;
    margin-bottom:100px;
}

.chapter-title span{
    display:block;
}

.chapter-title span:first-child{
    font-size:56px;
    font-weight:700;
    line-height:1.3;
}

.chapter-title span:last-child{
    font-size:72px;
    font-weight:800;
    line-height:1.2;
    margin-top:10px;
}



.chapter-text p{
    font-size:22px;
    line-height:2.1;
    margin-bottom:34px;
    color:#333;
}



.chapter-dark{
    background:#f3f3f3;
}

.quote{
    text-align:center;
    font-size:34px;
    font-weight:bold;
    line-height:1.8;
    margin:90px 0;
}
.chapter-divider{
    border:0;
    border-top:1px solid #e5e5e5;
    margin:70px auto;
    width:120px;
}

.lead{
    text-align:center;
    font-size:30px;
    font-weight:700;
    margin-top:60px;
}
/* ==========================
   購入エリア
========================== */

.purchase{
    padding:120px 30px;
    background:#ffffff;
}

.purchase-container{
    max-width:820px;
    margin:0 auto;
    text-align:center;
}

.purchase-title{
    font-size:48px;
    line-height:1.5;
    font-weight:700;
    color:#222;
    margin-bottom:40px;
}

.purchase-product{
    font-size:38px;
    font-weight:700;
    margin-bottom:50px;
    color:#333;
}

.purchase-price{
    margin-bottom:60px;
}

.purchase-price span{
    display:block;
    font-size:22px;
    color:#666;
    margin-bottom:10px;
}

.purchase-price strong{
    display:block;
    font-size:54px;
    font-weight:800;
    color:#222;
}

.purchase-button{
    display:inline-block;
    min-width:420px;
    padding:24px 40px;
    background:#2d6cdf;
    color:#fff;
    font-size:28px;
    font-weight:700;
    text-decoration:none;
    border-radius:10px;
    transition:.25s;
}

.purchase-button:hover{
    background:#1f56b5;
    transform:translateY(-2px);
}

.purchase-note{
    margin-top:35px;
    font-size:18px;
    line-height:1.8;
    color:#666;
}
/* ==========================
   フッター
========================== */

.footer{
    padding:50px 30px;
    background:#f5f5f5;
    border-top:1px solid #e5e5e5;
}

.footer-container{
    max-width:1000px;
    margin:0 auto;
    text-align:center;
}

.footer-links{
    margin-bottom:25px;
    line-height:2;
}

.footer-links a{
    color:#555;
    text-decoration:none;
    font-size:16px;
}

.footer-links a:hover{
    text-decoration:underline;
}

.footer-links span{
    margin:0 10px;
    color:#999;
}

.footer-copy{
    font-size:14px;
    color:#888;
}

/* ==========================
   スマホ対応 (768px以下)
========================== */

@media (max-width:768px){
    .hero-content{
        padding:24px;
    }

    .hero-brand{
        font-size:20px;
        margin-bottom:20px;
    }

    .hero-title{
        font-size:32px;
        margin-bottom:24px;
    }

    .hero-logo{
        max-width:220px;
    }

    .hero-subtitle{
        font-size:18px;
        line-height:1.7;
        margin:24px auto 28px;
    }

    .hero-button{
        font-size:18px;
        padding:14px 32px;
    }

    .chapter{
        padding:60px 0;
    }

    .chapter-container{
        padding:0 20px;
    }

    .chapter-title{
        margin-bottom:50px;
    }

    .chapter-title span:first-child{
        font-size:28px;
    }

    .chapter-title span:last-child{
        font-size:36px;
        margin-top:6px;
    }

    .chapter-text p{
        font-size:17px;
        line-height:1.9;
        margin-bottom:24px;
    }

    .quote{
        font-size:22px;
        line-height:1.6;
        margin:50px 0;
    }

    .chapter-divider{
        margin:40px auto;
    }

    .lead{
        font-size:20px;
        margin-top:36px;
    }

    .purchase{
        padding:60px 20px;
    }

    .purchase-title{
        font-size:26px;
        margin-bottom:24px;
    }

    .purchase-product{
        font-size:22px;
        margin-bottom:28px;
    }

    .purchase-price strong{
        font-size:36px;
    }

    .purchase-button{
        min-width:0;
        width:100%;
        font-size:20px;
        padding:18px 24px;
    }

    .purchase-note{
        font-size:15px;
    }

    .footer-links a{
        font-size:14px;
    }
}