@charset "utf-8";

*{
    box-sizing:border-box;
}

html{
    scroll-behavior:smooth;
}

body{
    margin:0;
    font-family:'Noto Sans JP',sans-serif;
    background:#f5f1ea;
    color:#222;
}

img{
    max-width:100%;
    display:block;
}

a{
    color:inherit;
    text-decoration:none;
}

button{
    font:inherit;
    cursor:pointer;
    border:none;
}

h1,h2,h3,.problem-message{
    font-family:'Noto Serif JP',serif;
}

h1,h2,h3,p{
    margin:0;
}

.inner{
    width:100%;
    max-width:1280px;
    margin:0 auto;
}

.pc-br,.break{
    display:block;
}

.sp-br{
    display:inline;
}

/* Navigation */
.site-nav{
    position:fixed;
    top:0;
    left:0;
    z-index:50;
    width:100%;
    background:rgba(0,0,0,0.2);
    border-bottom:1px solid rgba(255,255,255,0.1);
    backdrop-filter:blur(12px);
}

.nav-inner{
    max-width:1280px;
    height:80px;
    margin:0 auto;
    padding:0 24px;
    display:flex;
    align-items:center;
    justify-content:space-between;
}

.site-logo{
    color:#fff;
    font-size:24px;
    font-weight:600;
    letter-spacing:0.25em;
}

.nav-links{
    display:flex;
    align-items:center;
    gap:40px;
    color:rgba(255,255,255,0.8);
    font-size:14px;
    letter-spacing:0.12em;
}

.nav-links a{
    transition:0.3s;
}

.nav-links a:hover{
    color:#4B5A47;
}

.nav-btn{
    padding:12px 24px;
    color:#fff;
    font-size:14px;
    letter-spacing:0.12em;
    transition:0.3s;
}

/* Hero */
.hero{
    min-height:100vh;
    padding:0 24px;
    display:flex;
    align-items:center;
}

.hero-bg{
    background:linear-gradient(rgba(0,0,0,0.15),rgba(0,0,0,0.25)),url('image/image01.webp');
    background-size:cover;
    background-position:center;
}

.hero-content{
    max-width:768px;
    color:#fff;
}

.hero-label{
    margin:40px auto 32px;
}

.hero-title{
    margin-bottom:40px;
    font-size:72px;
    line-height:1.3;
    font-weight:700;
}

.hero-title span,
h1 span,h2 span{
    line-height:1.3;
}

.hero-text{
    margin-bottom:48px;
    color:rgba(255,255,255,0.8);
    font-size:24px;
    line-height:1.5;
    font-weight:300;
}

.hero-actions{
    display:flex;
    gap:20px;
}

.primary-btn{
    display:inline-block;
    padding:20px 40px;
    background:#4B5A47;
    color:#fff;
    font-size:14px;
    font-weight:600;
    letter-spacing:0.2em;
    transition:0.3s;
}

.primary-btn:hover{
    background:#fff;
    color:#4B5A47;
}

.hero-outline-btn{
    display:inline-block;
    padding:20px 40px;
    color:#fff;
    font-size:14px;
    letter-spacing:0.2em;
    transition:0.3s;
}

/* Common parts */
.section-label{
    display:flex;
    align-items:center;
    gap:16px;
    margin-bottom:20px;
    font-size:12px;
    letter-spacing:0.25em;
}

.label-line{
    display:block;
    height:1px;
}

.label-line-white{
    width:64px;
    background:rgba(255,255,255,0.5);
}

.label-line-white-solid{
    width:56px;
    background:#fff;
}

.label-line-dark{
    width:56px;
    background:#000;
}

.outline-btn{
    background:#4B5A47;
}

.outline-btn:hover{
    background:#fff;
    color:#4B5A47;
}

.section-title{
    letter-spacing:0.08em;
}

.fade-up{
    animation:fadeUp 1.2s ease;
}

@keyframes fadeUp{
    from{ opacity:0; transform:translateY(30px); }
    to{ opacity:1; transform:translateY(0); }
}

.grid-line{
    position:relative;
}

.grid-line::before{
    content:"";
    position:absolute;
    inset:0;
    background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size:40px 40px;
    pointer-events:none;
}

.grid-line > *{
    position:relative;
    z-index:1;
}

/* Problem Section */
.problem-section{
    background:#f7f4ee;
    padding:120px 24px 110px;
}

.problem-inner{
    max-width:1280px;
    margin:0 auto;
    text-align:center;
}

.problem-title{
    font-size:42px;
    line-height:1.6;
    color:#4B5A47;
    font-weight:500;
    letter-spacing:0.08em;
    margin-bottom:90px;
}

.problem-list{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    margin-bottom:90px;
}

.problem-item{
    min-height:180px;
    display:flex;
    align-items:center;
    justify-content:center;
    padding:0 48px;
}

.problem-item:not(:last-child){
    border-right:1px solid #e5e7eb;
}

.problem-item p{
    font-size:20px;
    line-height:2;
    color:#4b5563;
    font-style:italic;
}

.problem-message p{
    font-size:30px;
    line-height:1.9;
    color:#374151;
    font-weight:500;
}

.problem-message .line{
    font-size:34px;
    font-weight:900;
    background:linear-gradient(transparent 65%, #e5c400 65%);
    padding:0 4px;
}

/* Features */
.feature-section{
    padding:112px 24px;
    background:#111;
    color:#fff;
}

.section-head{
    margin-bottom:80px;
}

.feature-title{
    font-size:48px;
    font-weight:700;
}

.feature-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:40px;
}

.feature-card{
    border:1px solid rgba(255,255,255,0.1);
    background:rgba(255,255,255,0.05);
    transition:0.4s;
}

.card-hover:hover{
    transform:translateY(-8px);
}

.feature-card img{
    width:100%;
    height:300px;
    object-fit:cover;
}

.feature-card-body{
    padding:40px;
}

.point-label{
    margin-bottom:20px;
    color:rgba(255,255,255,0.5);
    font-size:12px;
    letter-spacing:0.25em;
}

.feature-card h3{
    margin-bottom:24px;
    font-size:24px;
    line-height:1.7;
    font-weight:700;
}

.feature-card p{
    color:rgba(255,255,255,0.7);
    font-size:14px;
    line-height:2;
}

/* Product */
.product-section{
    padding:112px 24px;
    background:#f7f4ee;
}

.product-grid{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:80px;
    align-items:center;
}

.product-content{
    order:2;
}

.product-image-wrap{
    order:1;
}

.product-title{
    margin-bottom:40px;
    font-size:48px;
    color:#4B5A47;
    line-height:1.4;
    font-weight:700;
}

.set-list{
    margin-bottom:40px;
    color:#374151;
}

.set-list div{
    padding-bottom:20px;
    border-bottom:1px solid #d1d5db;
}

.set-list div:not(:last-child){
    margin-bottom:20px;
}

.price-box{
    margin-bottom:40px;
}

.normal-price{
    margin-bottom:8px;
    color:#9ca3af;
    text-decoration:line-through;
}

.price-row{
    display:flex;
    align-items:flex-end;
    gap:8px;
}

.price{
    color:#9f2f2f;
    font-size:60px;
    line-height:1;
    font-weight:700;
}

.yen{
    margin-bottom:8px;
    font-size:20px;
}

.shipping{
    margin-top:12px;
    color:#6b7280;
    font-size:14px;
}

.black-btn{
    display:inline-block;
    padding:20px 48px;
    background:#4B5A47;
    color:#fff;
    letter-spacing:0.2em;
    transition:0.3s;
}

.black-btn:hover{
    background:#fff;
    border:1px solid #4B5A47;
    color:#4B5A47;
}

.product-image{
    width:100%;
    height:750px;
    object-fit:cover;
    box-shadow:0 25px 50px rgba(0,0,0,0.25);
    filter:contrast(1.05) saturate(0.95);
}

/* CTA */
.cta-section{
    padding:112px 24px;
    background:#0f0f0f;
    color:#fff;
}

.cta-inner{
    max-width:1024px;
    margin:0 auto;
    padding:80px;
    text-align:center;
    border:1px solid rgba(255,255,255,0.1);
}

.offer-label{
    margin-bottom:32px;
    color:rgba(255,255,255,0.5);
    font-size:12px;
    letter-spacing:0.35em;
}

.cta-title{
    margin-bottom:40px;
    font-size:60px;
    line-height:1.5;
    font-weight:700;
}

.cta-text{
    max-width:672px;
    margin:0 auto 56px;
    color:rgba(255,255,255,0.7);
    line-height:2.2;
}

.cta-btn{
    padding:24px 56px;
    background:#4B5A47;
    color:#fff;
    font-weight:600;
    letter-spacing:0.2em;
    transition:0.3s;
}

.cta-btn:hover{
    background:#fff;
    color:#4B5A47;
}

/* Footer */
.site-footer{
    padding:48px 24px;
    background:#000;
    color:rgba(255,255,255,0.5);
}

.footer-inner{
    max-width:1280px;
    margin:0 auto;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:32px;
}

.footer-logo{
    color:#fff;
    font-size:20px;
    letter-spacing:0.3em;
}

.footer-links{
    display:flex;
    gap:32px;
    font-size:14px;
}

.copyright{
    font-size:12px;
}

/* Modal */
.modal{
    position:fixed;
    inset:0;
    z-index:100;
    display:none;
    align-items:center;
    justify-content:center;
    padding:24px;
    background:rgba(0,0,0,0.7);
}

.modal-box{
    position:relative;
    width:100%;
    max-width:512px;
    padding:48px;
    background:#fff;
}

.modal-close{
    position:absolute;
    top:20px;
    right:20px;
    background:transparent;
    color:#9ca3af;
    font-size:28px;
    line-height:1;
}

.modal-label{
    margin-bottom:20px;
    color:#9ca3af;
    font-size:12px;
    letter-spacing:0.25em;
}

.modal-box h3{
    margin-bottom:24px;
    font-size:30px;
    font-weight:700;
}

.modal-box p{
    margin-bottom:40px;
    color:#4b5563;
    line-height:2;
}

.modal-actions{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:16px;
}

.modal-cancel{
    padding:16px;
    background:#fff;
    border:1px solid #d1d5db;
}

.modal-submit{
    padding:16px;
    background:#000;
    color:#fff;
}

@media(max-width:768px){
    .sp-br{
        display:block;
    }

    .inner{
        max-width:100%;
        margin-bottom: 100px;
    }

    .site-logo{
        font-size:20px;
    }

    .nav-links a:not(.nav-btn){
        display:none;
    }

    .nav-inner{
        justify-content:space-between;
    }

    .nav-btn{
        padding:10px 16px;
        font-size:12px;
    }

    .hero-title{
        font-size:48px;
    }

    .label-line-white{
        display:none;
    }

    .hero-text{
        font-size:18px;
    }

    .hero-actions{
        flex-direction:column;
    }

    .primary-btn,
    .hero-outline-btn{
        text-align:center;
    }

    .problem-section{
        padding:80px 20px;
    }

    .problem-title{
        font-size:30px;
        margin-bottom:56px;
        letter-spacing:0.04em;
    }

    .problem-list{
        grid-template-columns:1fr;
        margin-bottom:56px;
    }

    .problem-item{
        min-height:auto;
        padding:32px 10px;
    }

    .problem-item:not(:last-child){
        border-right:none;
        border-bottom:1px solid #e5e7eb;
    }

    .problem-item p{
        font-size:20px;
        line-height:1.9;
    }

    .problem-message p{
        font-size:22px;
        line-height:1.8;
    }

    .feature-section,
    .product-section,
    .cta-section{
        padding:80px 20px;
    }

    .feature-title,
    .product-title{
        font-size:36px;
    }

    .feature-grid,
    .product-grid{
        grid-template-columns:1fr;
        gap:40px;
    }

    .product-content,
    .product-image-wrap{
        order:initial;
    }

    .product-image{
        height:520px;
    }

    .cta-inner{
        padding:48px 24px;
    }

    .cta-title{
        font-size:36px;
    }

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

    .footer-links{
        flex-direction:column;
        gap:16px;
    }

    .modal-box{
        padding:40px 24px;
    }
}