:root{
  --fv-blue:#0f3c8d;
  --fv-blue-dark:#0a2f6b;
  --fv-blue-soft:#f2f7fd;
  --fv-border:#d9e5f4;
  --fv-text:#173056;
  --fv-muted:#637798;
  --fv-green:#20b486;
  --fv-bg:#ffffff;
  --fv-shadow:0 10px 24px rgba(15,60,141,.08);
  --fv-radius:18px;
  --fv-container:1280px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Inter',system-ui,-apple-system,sans-serif;color:var(--fv-text);background:#f9fbff;line-height:1.55}
a{color:var(--fv-blue);text-decoration:none}
a:hover{text-decoration:none}
img{max-width:100%;height:auto;display:block}
.fv-container{width:min(calc(100% - 32px),var(--fv-container));margin:0 auto}
.fv-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:saturate(140%) blur(12px);border-bottom:1px solid #ecf2fa}
.fv-header-row{display:flex;align-items:center;gap:20px;min-height:82px}
.fv-header-brand{flex:0 0 auto}.fv-main-nav{flex:1 1 auto}.fv-header-search{flex:0 1 340px}.fv-logo{display:inline-flex;align-items:center;gap:12px}.fv-logo-text{font-weight:800;font-size:28px;color:var(--fv-blue-dark);letter-spacing:-.03em}
.fv-menu,.fv-mobile-menu,.fv-footer-links,.fv-spec-list,.fv-trust-list,.fv-filter-list,.fv-bullet-list{margin:0;padding:0;list-style:none}
.fv-menu{display:flex;gap:28px;align-items:center;justify-content:center}.fv-menu a{font-weight:600;color:var(--fv-text)}
.fv-search-form{display:flex;align-items:center;background:#fff;border:1px solid var(--fv-border);padding:8px;border-radius:999px;gap:8px}.fv-search-input{border:0;outline:0;flex:1 1 auto;font:inherit;background:transparent;color:var(--fv-text)}.fv-search-submit{border:0;background:var(--fv-blue);color:#fff;border-radius:999px;padding:10px 14px;font-weight:700;cursor:pointer}
.fv-menu-toggle{display:none;border:1px solid var(--fv-border);background:#fff;border-radius:12px;padding:10px 12px;font-size:20px}.fv-mobile-panel{display:none;padding:0 16px 16px;border-top:1px solid #ecf2fa}.fv-mobile-panel.is-open{display:block}.fv-mobile-menu{display:grid;gap:10px;padding-top:14px}.fv-mobile-menu a{display:block;padding:10px 0;font-weight:600}
.fv-section{padding:40px 0}.fv-hero{padding:44px 0 24px;background:linear-gradient(180deg,#f7fbff 0%,#eef5ff 100%)}.fv-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:30px;align-items:center}.fv-hero-copy h1{font-size:clamp(42px,6vw,72px);line-height:.98;margin:0 0 18px;color:var(--fv-blue-dark);letter-spacing:-.045em;max-width:720px}.fv-hero-copy p{font-size:22px;max-width:710px;color:#355078;margin:0 0 22px}.fv-trust-list{display:flex;flex-wrap:wrap;gap:18px;margin-bottom:26px}.fv-trust-list li{position:relative;padding-left:28px;font-weight:600;color:var(--fv-text)}.fv-trust-list li:before{content:"✓";position:absolute;left:0;top:0;width:20px;height:20px;border-radius:50%;background:#e6fbf4;color:var(--fv-green);display:grid;place-items:center;font-size:12px;font-weight:800}
.fv-recommend-box{background:#fff;border:1px solid var(--fv-border);border-radius:24px;padding:24px;box-shadow:var(--fv-shadow);max-width:760px}.fv-recommend-box h2{font-size:28px;margin:0 0 18px;color:var(--fv-blue-dark)}.fv-recommend-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:16px}.fv-recommend-grid label{display:block;font-weight:700;margin-bottom:8px}.fv-recommend-grid select{width:100%;padding:14px 16px;border-radius:14px;border:1px solid var(--fv-border);font:inherit;background:#fff;color:var(--fv-text)}
.fv-button{display:inline-flex;justify-content:center;align-items:center;padding:14px 18px;border-radius:14px;font-weight:800;border:1px solid transparent;cursor:pointer;text-decoration:none}.fv-button-primary{background:var(--fv-blue);color:#fff}.fv-button-primary:hover{background:var(--fv-blue-dark)}.fv-button-secondary{background:#fff;border-color:var(--fv-border);color:var(--fv-text)}
.fv-room-placeholder{position:relative;background:linear-gradient(135deg,#f8fbff,#dbeafc);border:1px solid var(--fv-border);border-radius:34px;min-height:520px;padding:30px;overflow:hidden;box-shadow:var(--fv-shadow)}.fv-room-placeholder:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 20%,rgba(255,255,255,.8),transparent 30%),linear-gradient(180deg,rgba(255,255,255,.4),transparent 40%)}.fv-device-shape{position:absolute;right:70px;bottom:54px;width:260px;height:330px;background:linear-gradient(180deg,#fff,#f4f8ff);border:1px solid #d8e4f1;border-radius:24px;box-shadow:0 24px 48px rgba(15,60,141,.12)}.fv-device-shape:before{content:"";position:absolute;left:54px;right:54px;top:18px;height:12px;background:#223a5f;border-radius:999px}.fv-device-shape:after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:58px;width:42px;height:42px;background:#4b5768;border-radius:10px}.fv-device-shape--small{position:relative;right:auto;bottom:auto;width:220px;height:280px;margin:0 auto}
.fv-hero-note{position:absolute;top:72px;left:40px;max-width:230px;background:#fff9ee;border-radius:24px;padding:18px 18px 22px;font-weight:700;color:#36506f;box-shadow:var(--fv-shadow);transform:rotate(-5deg)}
.fv-purpose-grid,.fv-card-grid-4,.fv-guide-grid,.fv-steps-grid{display:grid;gap:20px}.fv-purpose-grid{grid-template-columns:repeat(4,1fr)}.fv-purpose-card{display:block;background:#fff;border:1px solid var(--fv-border);padding:22px;border-radius:20px;min-height:118px;box-shadow:var(--fv-shadow)}.fv-purpose-title{display:block;font-size:24px;font-weight:800;margin-bottom:8px;color:var(--fv-blue-dark)}.fv-purpose-text{display:block;color:var(--fv-muted)}
.fv-section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}.fv-section-head h2{font-size:40px;line-height:1.05;letter-spacing:-.03em;margin:0;color:var(--fv-blue-dark)}.fv-section-head a{font-weight:700}
.fv-card-grid-4{grid-template-columns:repeat(4,1fr)}.fv-product-card,.fv-guide-card,.fv-step-card,.fv-info-panel,.fv-filter-box,.fv-post-card,.fv-empty-state{background:#fff;border:1px solid var(--fv-border);border-radius:22px;box-shadow:var(--fv-shadow)}
.fv-product-card{overflow:hidden;display:flex;flex-direction:column}.fv-product-thumb{background:#f7fbff;display:flex;align-items:center;justify-content:center;aspect-ratio:1.1/1;padding:16px}.fv-product-thumb img{width:100%;height:100%;object-fit:contain}.fv-product-card-body{padding:18px 18px 20px}.fv-product-card h3{font-size:26px;line-height:1.1;margin:0 0 8px;color:var(--fv-blue-dark)}.fv-product-card h3 a{color:inherit}.fv-card-brand{margin:0 0 10px;color:var(--fv-muted);font-weight:600}.fv-spec-list{display:grid;gap:8px;margin:14px 0 18px}.fv-spec-list li{position:relative;padding-left:24px;color:#355078}.fv-spec-list li:before{content:"•";position:absolute;left:8px;top:0;color:var(--fv-green);font-size:22px;line-height:1}.fv-card-actions{display:flex;gap:10px}
.fv-how-we-work{background:linear-gradient(180deg,#f8fbff,#eef5ff)}.fv-steps-grid{grid-template-columns:repeat(4,1fr)}.fv-step-card{padding:26px}.fv-step-card h3{margin:0 0 10px;font-size:24px;color:var(--fv-blue-dark)}.fv-step-card p{margin:0;color:var(--fv-muted)}
.fv-guide-grid{grid-template-columns:repeat(3,1fr)}.fv-guide-card{overflow:hidden;display:grid;grid-template-columns:180px 1fr}.fv-guide-thumb,.fv-guide-thumb-link{display:block;background:linear-gradient(135deg,#dfeafb,#f8fbff);min-height:170px;height:100%}.fv-guide-thumb img{width:100%;height:100%;object-fit:cover}.fv-guide-content{padding:20px}.fv-guide-content h3{margin:0 0 10px;font-size:24px;line-height:1.15;color:var(--fv-blue-dark)}.fv-guide-content p{margin:0 0 12px;color:var(--fv-muted)}.fv-link-arrow{font-weight:800}
.fv-footer{background:#f2f7fd;border-top:1px solid var(--fv-border);margin-top:34px}.fv-footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:28px;padding:34px 0}.fv-footer h3{margin:0 0 12px;color:var(--fv-blue-dark)}.fv-footer-copy{max-width:420px;color:var(--fv-muted)}.fv-footer-links{display:grid;gap:10px}.fv-footer-bottom{border-top:1px solid var(--fv-border)}.fv-footer-bottom p{margin:0;padding:16px 0;color:var(--fv-muted);font-size:14px}
.fv-archive-hero{background:linear-gradient(180deg,#f7fbff 0%,#eef5ff 100%);padding:28px 0 30px}.fv-archive-hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:center}.fv-breadcrumbs{margin:0 0 12px;color:var(--fv-muted);font-size:15px}.fv-archive-hero h1{font-size:64px;line-height:.98;letter-spacing:-.04em;margin:0 0 12px;color:var(--fv-blue-dark)}.fv-archive-hero p:not(.fv-breadcrumbs){font-size:22px;max-width:760px;margin:0 0 18px;color:#355078}
.fv-archive-layout{display:grid;grid-template-columns:310px 1fr;gap:24px}.fv-filter-box{padding:24px;position:sticky;top:100px}.fv-filter-box h2{margin:0 0 12px;color:var(--fv-blue-dark)}.fv-filter-note{margin:0 0 18px;color:var(--fv-muted);font-size:14px}.fv-filter-group{padding-top:16px;border-top:1px solid #eaf0f7;margin-top:16px}.fv-filter-group h3{margin:0 0 10px;font-size:18px;color:var(--fv-blue-dark)}.fv-filter-list{display:grid;gap:8px}.fv-filter-list label{color:#355078;font-size:15px}.fv-muted{color:var(--fv-muted)}
.fv-pagination{margin-top:26px}.page-numbers{display:inline-flex;gap:8px;align-items:center;flex-wrap:wrap}.page-numbers a,.page-numbers span{padding:10px 14px;background:#fff;border:1px solid var(--fv-border);border-radius:12px}.page-numbers .current{background:var(--fv-blue);border-color:var(--fv-blue);color:#fff}
.fv-product-top{padding-top:28px}.fv-product-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.fv-product-gallery,.fv-product-summary,.fv-info-panel{background:#fff;border:1px solid var(--fv-border);border-radius:24px;box-shadow:var(--fv-shadow)}.fv-product-gallery{padding:22px}.fv-product-main-image{min-height:420px;display:flex;align-items:center;justify-content:center;background:#f9fbff;border-radius:18px}.fv-image-placeholder{padding:36px;text-align:center;color:var(--fv-muted)}.fv-product-summary{padding:28px}.fv-product-brand{margin:0 0 8px;font-weight:700;color:#47648c}.fv-product-summary h1{font-size:58px;line-height:.98;letter-spacing:-.04em;margin:0 0 18px;color:var(--fv-blue-dark)}.fv-spec-pill-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:20px}.fv-spec-pill{background:#f4f8ff;border:1px solid var(--fv-border);border-radius:16px;padding:14px}.fv-spec-pill span{display:block;color:var(--fv-muted);font-size:14px}.fv-spec-pill strong{display:block;margin-top:6px;font-size:20px;color:var(--fv-blue-dark)}.fv-cta-box{margin-top:20px;padding:18px;border-radius:18px;background:#f7fbff;border:1px solid var(--fv-border)}
.fv-product-details-grid,.fv-article-layout{display:grid;grid-template-columns:1.1fr .6fr;gap:24px}.fv-info-panel{padding:24px}.fv-info-panel h2{margin:0 0 14px;color:var(--fv-blue-dark);font-size:32px;line-height:1.05}.fv-spec-table{width:100%;border-collapse:collapse}.fv-spec-table th,.fv-spec-table td{padding:12px 10px;border-bottom:1px solid #e9f0f8;text-align:left;vertical-align:top}.fv-spec-table th{width:38%;color:var(--fv-text)}.fv-bullet-list{display:grid;gap:10px}.fv-bullet-list li{position:relative;padding-left:22px}.fv-bullet-list li:before{content:"✓";position:absolute;left:0;top:0;color:var(--fv-green);font-weight:800}
.fv-basic-content,.fv-entry{background:#fff;border:1px solid var(--fv-border);border-radius:24px;box-shadow:var(--fv-shadow);padding:30px}.fv-basic-content h1,.fv-entry h1{font-size:54px;line-height:1;letter-spacing:-.04em;color:var(--fv-blue-dark);margin:0 0 20px}.fv-entry-content{font-size:18px}.fv-entry-content p,.fv-entry-content ul,.fv-entry-content ol{margin:0 0 1em}.fv-featured-image{margin:18px 0 24px;border-radius:20px;overflow:hidden}.fv-sidebar-widget{background:#fff;border:1px solid var(--fv-border);border-radius:22px;padding:22px;box-shadow:var(--fv-shadow)}.fv-sidebar-title{margin:0 0 12px;color:var(--fv-blue-dark)}
.screen-reader-text{position:absolute!important;height:1px;width:1px;overflow:hidden;clip:rect(1px,1px,1px,1px);white-space:nowrap}
@media (max-width: 1180px){.fv-card-grid-4{grid-template-columns:repeat(2,1fr)}.fv-purpose-grid{grid-template-columns:repeat(2,1fr)}.fv-steps-grid{grid-template-columns:repeat(2,1fr)}.fv-guide-grid{grid-template-columns:1fr}.fv-guide-card{grid-template-columns:1fr}.fv-product-grid,.fv-product-details-grid,.fv-article-layout,.fv-archive-layout,.fv-archive-hero-grid,.fv-hero-grid,.fv-footer-grid{grid-template-columns:1fr}.fv-filter-box{position:static}.fv-device-shape{right:40px}}
@media (max-width: 900px){.fv-main-nav,.fv-header-search{display:none}.fv-menu-toggle{display:block;margin-left:auto}.fv-hero-copy h1{font-size:46px}.fv-recommend-grid{grid-template-columns:1fr}.fv-card-grid-4,.fv-purpose-grid,.fv-steps-grid{grid-template-columns:1fr}.fv-section-head{align-items:start;flex-direction:column}.fv-product-summary h1,.fv-archive-hero h1,.fv-basic-content h1,.fv-entry h1{font-size:40px}.fv-spec-pill-grid{grid-template-columns:1fr}.fv-footer-grid{grid-template-columns:1fr 1fr}.fv-logo-text{font-size:24px}}
@media (max-width: 640px){.fv-container{width:min(calc(100% - 20px),var(--fv-container))}.fv-header-row{min-height:72px}.fv-logo-text{font-size:22px}.fv-room-placeholder{min-height:360px}.fv-device-shape{width:180px;height:240px;right:20px;bottom:18px}.fv-hero-note{top:18px;left:16px;max-width:190px;padding:14px}.fv-section-head h2{font-size:32px}.fv-footer-grid{grid-template-columns:1fr}.fv-button{width:100%}}