:root{
    --lp-bg:#0b1220;
    --lp-surface:#ffffff;
    --lp-surface-2:#f6f8fc;
    --lp-card:#ffffff;
    --lp-line:#e5e7eb;
    --lp-line-2:#d8dfeb;
    --lp-text:#152033;
    --lp-text-2:#44506a;
    --lp-text-3:#6b7280;
    --lp-primary:#1546d0;
    --lp-primary-2:#0f2f8f;
    --lp-accent:#0ea5e9;
    --lp-success:#0f9f62;
    --lp-warn:#d97706;
    --lp-radius:18px;
    --lp-shadow:0 12px 40px rgba(16,24,40,.08);
    --lp-max:1000px;
    --lp-desktop-gutter:0px;
    --lp-mobile-gutter:11px;
    --lp-focus:0 0 0 3px rgba(21,70,208,.18);
}

html{
    scroll-behavior:smooth;
}

html,
body{
    max-width:100%;
}

body.page-template,
body.page-template-default{
    background:#fff;
}

.site-main, .entry-content, .page-content {
    margin-top: 0;
    margin-bottom: 0;
    padding-top: 0;
    padding-bottom: 0;
}

.site-content,
.content-area,
.site-main,
.entry-content,
.page-content,
.post-content{
    overflow:visible;
}

.btv-lp,
.btv-lp *{
    box-sizing:border-box;
}

.btv-lp {
    width: 100%;
    max-width: var(--lp-max);
    margin: 0 auto;
    padding: 0;
    color: var(--lp-text);
    background: radial-gradient(circle at top left, rgba(21,70,208,.08), transparent 30%), radial-gradient(circle at top right, rgba(14,165,233,.10), transparent 30%), linear-gradient(180deg, #f7faff 0%, #ffffff 30%, #f8fafc 100%);
    overflow-x: clip;
    box-shadow: 0 0 40px rgba(0,0,0,0.03);
}

.btv-lp a{
    color:var(--lp-primary);
    text-decoration:none;
    text-underline-offset:3px;
}

.btv-lp a:hover{
    color:var(--lp-primary-2);
    text-decoration:underline;
}

.btv-lp a:focus-visible,
.btv-lp button:focus-visible,
.btv-lp [tabindex]:focus-visible{
    outline:none;
    box-shadow:var(--lp-focus);
    border-radius:12px;
}

.btv-shell{
    width:100%;
    max-width:var(--lp-max);
    margin:0 auto;
    padding-left:var(--lp-desktop-gutter);
    padding-right:var(--lp-desktop-gutter);
}

.btv-section{
    margin:0 0 22px;
}

.btv-card{
    background:var(--lp-card);
    border:1px solid var(--lp-line);
    border-radius:var(--lp-radius);
    box-shadow:var(--lp-shadow);
}

.btv-hero{
    position:relative;
    padding:34px 0 26px;
    background:linear-gradient(135deg, #0d1730 0%, #13327d 52%, #0f7cb5 100%);
    color:#fff;
    border-radius:0 0 24px 24px;
}

.btv-hero:before{
    content:"";
    position:absolute;
    inset:auto -10% -80px auto;
    width:360px;
    height:360px;
    border-radius:50%;
    background:radial-gradient(circle, rgba(255,255,255,.18), transparent 65%);
    pointer-events:none;
}

.btv-breadcrumb{
    display:flex;
    flex-wrap:wrap;
    gap:8px;
    margin:0 0 18px;
    font-size:13px;
    color:rgba(255,255,255,.78);
}

.btv-breadcrumb a{
    color:#fff;
    opacity:.88;
}

.btv-hero-grid{
    display:grid;
    grid-template-columns:minmax(0, 1.25fr) minmax(320px, .9fr);
    gap:24px;
    align-items:center;
}

.btv-kicker{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:8px 12px;
    border-radius:999px;
    background:rgba(255,255,255,.12);
    border:1px solid rgba(255,255,255,.16);
    font-size:13px;
    font-weight:700;
    letter-spacing:.02em;
    margin-bottom:14px;
}

.btv-title{
    margin:0 0 14px;
    font-size:42px;
    line-height:1.16;
    letter-spacing:-.02em;
    color:#fff;
}

.btv-lead{
    margin:0 0 18px;
    font-size:17px;
    line-height:1.8;
    color:rgba(255,255,255,.92);
}

.btv-meta{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin:0 0 20px;
    padding:0;
    list-style:none;
}

.btv-meta li{
    padding:10px 12px;
    border-radius:12px;
    background:rgba(255,255,255,.10);
    border:1px solid rgba(255,255,255,.14);
    font-size:14px;
    color:#fff;
}

.btv-actions{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    margin-top:18px;
}

.btv-btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-height:46px;
    padding:0 18px;
    border-radius:12px;
    font-weight:700;
    font-size:15px;
    transition:background-color .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
    border:1px solid transparent;
}

.btv-btn:hover{
    transform:translateY(-1px);
}

.btv-btn-primary{
    background:#fff;
    color:#0f2f8f;
}

.btv-btn-primary:hover{
    background:#eff6ff;
    text-decoration:none;
}

.btv-btn-secondary{
    background:transparent;
    color:#fff;
    border-color:rgba(255,255,255,.28);
}

.btv-btn-secondary:hover{
    background:rgba(255,255,255,.09);
    text-decoration:none;
}

.btv-cover,
.btv-figure{
    margin:0;
}

.btv-media-frame{
    background:rgba(255,255,255,.08);
    border:1px solid rgba(255,255,255,.14);
    border-radius:24px;
    padding:14px;
    backdrop-filter:blur(10px);
}

.btv-media-frame figure{
    margin:0;
}

.btv-media-frame img{
    display:block;
    width:100%;
    height:auto;
    border-radius:18px;
}

.btv-media-frame figcaption{
    margin-top:10px;
    font-size:13px;
    color:rgba(255,255,255,.8);
    text-align:center;
    line-height:1.6;
}

.btv-overview{
    margin-top:-20px;
    position:relative;
    z-index:2;
}

.btv-overview-inner{
    padding:20px;
}

.btv-overview-grid{
    display:grid;
    grid-template-columns:repeat(4, minmax(0,1fr));
    gap:14px;
}

.btv-stat{
    padding:18px 16px;
    border-radius:16px;
    background:linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
    border:1px solid var(--lp-line);
}

.btv-stat-label{
    display:block;
    margin-bottom:8px;
    color:var(--lp-text-3);
    font-size:13px;
}

.btv-stat-value{
    display:block;
    font-size:24px;
    line-height:1.2;
    font-weight:800;
    color:var(--lp-primary-2);
}

.btv-stat-desc{
    margin-top:8px;
    font-size:13px;
    line-height:1.6;
    color:var(--lp-text-2);
}

.btv-layout{
    display:grid;
    grid-template-columns:minmax(0, 1fr) 300px;
    gap:24px;
    align-items:start;
    margin-top:24px;
}

.btv-main{
    min-width:0;
}

.btv-sidebar{
    min-width:0;
    position:sticky;
    top:24px;
}

.btv-sidebox{
    padding:18px;
}

.btv-sidebox + .btv-sidebox{
    margin-top:16px;
}

.btv-sidebox h3{
    margin:0 0 12px;
    font-size:17px;
    line-height:1.4;
}

.btv-toc{
    list-style:none;
    margin:0;
    padding:0;
}

.btv-toc li + li{
    margin-top:8px;
}

.btv-toc a{
    display:block;
    padding:10px 12px;
    border-radius:12px;
    background:#f8fafc;
    border:1px solid var(--lp-line);
    color:var(--lp-text);
    font-size:14px;
    line-height:1.5;
}

.btv-toc a:hover{
    background:#eef4ff;
    border-color:#c7d6fb;
    text-decoration:none;
}

.btv-side-note{
    font-size:14px;
    line-height:1.8;
    color:var(--lp-text-2);
}

.btv-block{
    padding:26px;
}

.btv-block + .btv-block{
    margin-top:18px;
}

.btv-block h2{
    margin:0 0 14px;
    font-size:30px;
    line-height:1.28;
    color:#101828;
    scroll-margin-top:88px;
}

.btv-block h3{
    margin:24px 0 12px;
    font-size:22px;
    line-height:1.4;
    color:#132238;
    scroll-margin-top:88px;
}

.btv-block p{
    margin:0 0 16px;
    font-size:16px;
    line-height:1.9;
    color:var(--lp-text);
}

.btv-block strong{
    color:#0f2f8f;
}

.btv-note{
    margin:0 0 18px;
    padding:15px 16px;
    border-left:4px solid var(--lp-primary);
    background:#f5f8ff;
    border-radius:12px;
    color:var(--lp-text);
    font-size:15px;
    line-height:1.8;
}

.btv-grid-2{
    display:grid;
    grid-template-columns:repeat(2, minmax(0,1fr));
    gap:16px;
    margin:18px 0 8px;
}

.btv-grid-3{
    display:grid;
    grid-template-columns:repeat(3, minmax(0,1fr));
    gap:16px;
    margin:18px 0 8px;
}

.btv-mini-card{
    padding:18px;
    border-radius:16px;
    border:1px solid var(--lp-line);
    background:linear-gradient(180deg, #fff 0%, #fbfcff 100%);
}

.btv-mini-card h4{
    margin:0 0 10px;
    font-size:17px;
    line-height:1.45;
    color:#0f2f8f;
}

.btv-mini-card p{
    margin:0;
    font-size:14px;
    line-height:1.8;
    color:var(--lp-text-2);
}

.btv-steps{
    display:grid;
    grid-template-columns:repeat(3, minmax(0,1fr));
    gap:16px;
    margin:18px 0 8px;
}

.btv-step{
    padding:20px 18px 18px;
    border-radius:16px;
    border:1px solid var(--lp-line);
    background:#fff;
}

.btv-step-no{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:34px;
    height:34px;
    margin-bottom:12px;
    border-radius:999px;
    background:linear-gradient(135deg, var(--lp-primary), var(--lp-accent));
    color:#fff;
    font-weight:800;
    font-size:15px;
}

.btv-step h4{
    margin:0 0 8px;
    font-size:17px;
    line-height:1.45;
    color:#132238;
}

.btv-step p{
    margin:0;
    font-size:14px;
    line-height:1.8;
    color:var(--lp-text-2);
}

.btv-figure{
    margin:18px 0;
}

.btv-figure .btv-media-frame{
    padding:14px;
    background:#fff;
    border:1px solid var(--lp-line);
    border-radius:18px;
    box-shadow:var(--lp-shadow);
    backdrop-filter:none;
}

.btv-figure .btv-media-frame figcaption{
    color:var(--lp-text-3);
}

.btv-table-wrap{
    width:100%;
    max-width:100%;
    overflow-x:auto;
    overflow-y:hidden;
    margin:18px 0 22px;
    -webkit-overflow-scrolling:touch;
    border:1px solid var(--lp-line);
    border-radius:16px;
    background:#fff;
    scrollbar-gutter:stable both-edges;
}

.btv-table-wrap:focus-visible{
    outline:none;
    box-shadow:var(--lp-focus);
}

.btv-table{
    width:100%;
    min-width:680px;
    border-collapse:separate;
    border-spacing:0;
    background:#fff;
}

.btv-table caption{
    padding:14px 14px 0;
    text-align:left;
    font-size:13px;
    line-height:1.65;
    color:var(--lp-text-3);
}

.btv-table th,
.btv-table td{
    padding:14px 14px;
    border-bottom:1px solid var(--lp-line);
    border-right:1px solid #eef2f7;
    vertical-align:top;
    font-size:14px;
    line-height:1.75;
    color:var(--lp-text);
    text-align:left;
}

.btv-table th:last-child,
.btv-table td:last-child{
    border-right:none;
}

.btv-table thead th{
    position:sticky;
    top:0;
    z-index:1;
    background:linear-gradient(180deg, #f4f7fc 0%, #eef3fb 100%);
    color:#12233a;
    font-size:14px;
    font-weight:800;
}

.btv-table tbody tr:nth-child(even) td{
    background:#fbfdff;
}

.btv-table tbody tr:hover td{
    background:#f5f9ff;
}

.btv-table tbody tr:last-child td,
.btv-table tbody tr:last-child th{
    border-bottom:none;
}

.btv-block ul,
.btv-block ol{
    margin:0 0 18px 1.2em;
    padding:0;
}

.btv-block li{
    margin-bottom:10px;
    font-size:16px;
    line-height:1.8;
    color:var(--lp-text);
}

.btv-highlight{
    padding:18px;
    border-radius:16px;
    background:linear-gradient(180deg, #f8fbff 0%, #eef4ff 100%);
    border:1px solid #d8e4ff;
    margin:18px 0;
}

.btv-highlight h3,
.btv-highlight h4{
    margin-top:0;
}

.btv-proscons{
    display:grid;
    grid-template-columns:repeat(2, minmax(0,1fr));
    gap:16px;
    margin-top:18px;
}

.btv-pc{
    padding:18px;
    border-radius:16px;
    border:1px solid var(--lp-line);
    background:#fff;
}

.btv-pc h4{
    margin:0 0 10px;
    font-size:18px;
}

.btv-pc.good h4{ color:var(--lp-success); }
.btv-pc.bad h4{ color:var(--lp-warn); }

.btv-cta {
    padding: 40px 24px;
    background: linear-gradient(135deg, #0d1730 0%, #14398b 60%, #0f7cb5 100%);
    color: #ffffff;
    position: relative;
    overflow: hidden;
    border-radius: 24px;
    margin-bottom: 40px;
}

.btv-cta h2,
.btv-cta p,
.btv-cta li,
.btv-cta strong {
    color: #ffffff;
}

.btv-cta:after{
    content:"";
    position:absolute;
    right:-40px;
    top:-40px;
    width:220px;
    height:220px;
    border-radius:50%;
    background:radial-gradient(circle, rgba(255,255,255,.18), transparent 68%);
}

.btv-link-list{
    display:grid;
    grid-template-columns:repeat(2, minmax(0,1fr));
    gap:12px;
    list-style:none;
    margin:18px 0 0;
    padding:0;
}

.btv-link-list a,
.btv-link-list span{
    display:block;
    padding:14px 15px;
    border-radius:14px;
    background:rgba(255,255,255,.1);
    border:1px solid rgba(255,255,255,.18);
    color:#fff;
    font-weight:700;
    line-height:1.6;
}

.btv-link-list a:hover{
    background:rgba(255,255,255,.16);
    text-decoration:none;
}

.btv-anchor-spacer{
    position:relative;
    top:-88px;
    visibility:hidden;
    height:0;
}

.f8-affiliate {
    font-size: 13px;
    color: #56657e;
    background: #f8fbff;
    border: 1px solid #dfe7f0;
    border-top: none;
    padding: 12px 16px;
    text-align: center;
    margin-bottom: 0;
    border-radius: 0 0 12px 12px;
}

@media (max-width: 1100px){
    .btv-shell{
        padding-left:var(--lp-mobile-gutter);
        padding-right:var(--lp-mobile-gutter);
    }
}

@media (max-width: 900px){
    .sidebar,
    .widget-area,
    .right-sidebar,
    .secondary{
        width:100%;
        margin:0;
        padding:0;
    }

    .btv-shell{
        max-width:none;
        width:100%;
        padding-left:var(--lp-mobile-gutter);
        padding-right:var(--lp-mobile-gutter);
    }

    .btv-hero{
        padding:24px 0 18px;
        border-radius:0 0 18px 18px;
    }

    .btv-hero-grid,
    .btv-layout,
    .btv-overview-grid,
    .btv-grid-2,
    .btv-grid-3,
    .btv-steps,
    .btv-proscons,
    .btv-link-list{
        grid-template-columns:1fr;
    }

    .btv-sidebar{
        position:static;
        order:-1;
    }

    .btv-title{
        font-size:30px;
    }

    .btv-lead{
        font-size:15px;
        line-height:1.85;
    }

    .btv-cover .btv-media-frame,
    .btv-hero-grid > div:first-child{
        padding:18px 14px;
        border-radius:16px;
    }

    .btv-hero-grid > div:first-child{
        background:rgba(255,255,255,.06);
        border:1px solid rgba(255,255,255,.12);
    }

    .btv-block{
        padding:18px 0;
        border:0;
        border-radius:0;
        background:transparent;
        box-shadow:none;
    }

    .btv-overview-inner,
    .btv-sidebox,
    .btv-cta{
        padding:18px 14px;
        border-radius:16px;
    }

    .btv-block h2{
        font-size:24px;
    }

    .btv-block h3{
        font-size:20px;
    }

    .btv-meta li{
        width:100%;
    }

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

    .btv-btn{
        width:100%;
    }
}

@media (max-width: 640px){
    .btv-shell{
        padding-left:var(--lp-mobile-gutter);
        padding-right:var(--lp-mobile-gutter);
    }

    .btv-title{
        font-size:26px;
    }

    .btv-overview{
        margin-top:-12px;
    }

    .btv-overview-inner,
    .btv-sidebox,
    .btv-cta{
        padding:14px 12px;
        border-radius:14px;
        box-shadow:none;
    }

    .btv-cover .btv-media-frame,
    .btv-hero-grid > div:first-child{
        padding:16px 12px;
        border-radius:14px;
    }

    .btv-block{
        padding:16px 0;
        margin-bottom:10px;
    }

    .btv-stat,
    .btv-mini-card,
    .btv-step,
    .btv-pc{
        padding:14px 12px;
        border-radius:14px;
    }

    .btv-stat-value{
        font-size:22px;
    }

    .btv-note,
    .btv-highlight{
        padding:14px 12px;
        border-radius:12px;
    }

    .btv-figure .btv-media-frame{
        padding:8px;
        border-radius:14px;
        box-shadow:none;
    }

    .btv-table-wrap{
        border-radius:14px;
        margin:16px 0 20px;
    }

    .btv-table caption{
        padding:12px 12px 0;
        font-size:12px;
    }

    .btv-table th,
    .btv-table td{
        padding:12px 12px;
        font-size:13px;
    }
}