/* ============================================================
   MATSATO OSUREN V3 — css/style.css
   Domain: us-matsato-osuren.com
   Design: NEW Forge-Black dramatic full-width hero — knife
           centred with dramatic lighting + 4 feature tag pills
           3-col tall stat cards + Copper/bronze 2-col dark footer
   Theme: Forge Black + Warm Charcoal + Bronze/Copper + Cream
   ============================================================ */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --forge:#0e0b08;--forge-mid:#1a1410;--forge-lgt:#2a2018;
  --charcoal:#3d3228;--charcoal-lgt:#564838;
  --bronze:#b87333;--bronze-mid:#c98a44;--bronze-lgt:#d9a05a;
  --gold:#c9962a;--gold-mid:#d4a83e;--gold-light:#e8c060;
  --gold-pale:#fdf6e3;--gold-xpale:#fefbf0;
  --cream:#faf8f3;--cream-warm:#f5f0e8;--cream-dark:#ede6d8;
  --off-white:#fafaf8;--near-white:#f4f2ee;--white:#ffffff;
  --text:#1a1410;--text-mid:#2a2018;--muted:#5a4e3e;
  --border:#ddd5c8;
  --radius:10px;--radius-lg:16px;--radius-xl:24px;--radius-pill:50px;
  --shadow-sm:0 2px 12px rgba(0,0,0,0.07);
  --shadow:0 4px 24px rgba(0,0,0,0.12);
  --shadow-h:0 12px 40px rgba(0,0,0,0.20);
  --shadow-brnz:0 4px 20px rgba(184,115,51,0.30);
}

html{scroll-behavior:smooth}
body{font-family:'Jost',sans-serif;font-size:18px;color:var(--text);background:var(--cream);overflow-x:hidden;line-height:1.75}

nav{position:sticky;top:0;z-index:1000;background:var(--forge);padding:0 24px;height:72px;box-shadow:0 2px 20px rgba(0,0,0,.70);border-bottom:2px solid var(--bronze)}
.nav-inner{max-width:1200px;margin:0 auto;height:100%;display:flex;align-items:center;justify-content:space-between;gap:32px}
.nav-logo{font-family:'Jost',sans-serif;font-size:1.45rem;font-weight:900;color:var(--white);text-decoration:none;letter-spacing:1.5px;text-transform:uppercase;flex-shrink:0}
.nav-logo span{color:var(--bronze-lgt)}
.nav-links{display:flex;align-items:center;gap:28px;list-style:none}
.nav-links a{color:var(--bronze-lgt);text-decoration:none;font-size:.95rem;font-weight:500;transition:color .2s;white-space:nowrap}
.nav-links a:hover{color:var(--white)}
.btn-nav-order{background:var(--bronze)!important;color:var(--white)!important;font-weight:900!important;font-size:.88rem!important;padding:10px 22px!important;border-radius:var(--radius-pill)!important;border:none!important;transition:filter .2s!important;text-transform:uppercase}
.btn-nav-order:hover{filter:brightness(1.10)!important}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px}
.hamburger span{width:25px;height:2px;background:var(--bronze-lgt);display:block;border-radius:2px}
.mobile-menu{display:none;flex-direction:column;background:var(--forge);position:absolute;top:72px;left:0;right:0;padding:24px 32px;gap:18px;z-index:999;border-bottom:2px solid var(--bronze)}
.mobile-menu.open{display:flex}
.mobile-menu a{color:var(--bronze-lgt);text-decoration:none;font-size:1.05rem;font-weight:500}
.mobile-menu .btn-mob-order{background:var(--bronze);color:var(--white);text-align:center;padding:13px;border-radius:var(--radius-pill);font-weight:900;margin-top:6px;text-transform:uppercase}

.btn-bronze{display:inline-block;background:var(--bronze);color:var(--white);font-family:'Jost',sans-serif;font-weight:900;font-size:1.05rem;letter-spacing:.5px;text-transform:uppercase;padding:15px 38px;border-radius:var(--radius-pill);text-decoration:none;transition:filter .2s,transform .15s;box-shadow:var(--shadow-brnz)}
.btn-bronze:hover{filter:brightness(1.10);transform:translateY(-2px)}
.btn-outline-cream{display:inline-block;background:transparent;color:var(--cream);font-family:'Jost',sans-serif;font-weight:700;font-size:1rem;text-transform:uppercase;padding:13px 32px;border-radius:var(--radius-pill);border:2px solid rgba(255,255,255,.35);text-decoration:none;transition:all .2s}
.btn-outline-cream:hover{background:rgba(255,255,255,.10)}

.sec-title-band{background:var(--forge-mid);padding:48px 40px 40px;text-align:center;border-top:3px solid var(--bronze);border-bottom:3px solid var(--bronze)}
.sec-title-band h2{font-family:'Jost',sans-serif;font-size:2.4rem;font-weight:900;color:var(--white);letter-spacing:1px;text-transform:uppercase;line-height:1.2}
.sec-title-band p.band-sub{color:rgba(255,255,255,.55);font-size:1rem;margin-top:10px}
.sec-title-band.gold-band{border-top-color:var(--gold-mid);border-bottom-color:var(--gold-mid)}
.sec-title-band.gold-band h2{color:var(--gold-light)}
.sec-title-band.cream-band{background:var(--cream-warm);border-top-color:var(--bronze);border-bottom-color:var(--bronze)}
.sec-title-band.cream-band h2{color:var(--forge-mid)}
.sec-title-band.cream-band p.band-sub{color:var(--muted)}

/* HERO */
.hero{background:linear-gradient(180deg,var(--forge) 0%,var(--forge-mid) 50%,var(--forge-lgt) 100%);padding:56px 48px 0;text-align:center;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;left:50%;bottom:-60px;transform:translateX(-50%);width:700px;height:350px;border-radius:50%;background:radial-gradient(ellipse,rgba(184,115,51,.20) 0%,transparent 65%);pointer-events:none}
.hero::after{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,transparent,var(--bronze),var(--bronze-lgt),var(--bronze),transparent)}
.hero-inner{max-width:1100px;margin:0 auto;position:relative;z-index:1}
.hero-japan-label{display:inline-flex;align-items:center;gap:10px;font-size:.72rem;font-weight:800;letter-spacing:4px;text-transform:uppercase;color:var(--bronze-lgt);margin-bottom:16px}
.hero-japan-label::before,.hero-japan-label::after{content:'';width:28px;height:1px;background:var(--bronze)}
.hero-h1{font-family:'Jost',sans-serif;font-size:3.5rem;font-weight:900;color:var(--white);line-height:1.06;margin-bottom:14px}
.hero-h1 .bronze-word{color:var(--bronze-lgt)}
.hero-h1 .gold-word{color:var(--gold-light)}
.hero-sub{font-size:1.1rem;line-height:1.78;color:rgba(255,255,255,.65);max-width:700px;margin:0 auto 24px}
.hero-feature-pills{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-bottom:24px}
.hfp{display:inline-flex;align-items:center;gap:6px;background:rgba(184,115,51,.16);border:1px solid rgba(184,115,51,.32);border-radius:var(--radius-pill);padding:7px 16px;font-size:.78rem;font-weight:800;color:var(--bronze-lgt)}
.hero-ctas{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-bottom:12px}
.hero-guarantee{font-size:.82rem;color:rgba(255,255,255,.40);margin-bottom:32px}
.hero-guarantee strong{color:var(--bronze-lgt)}
.hero-knife-wrap{position:relative;display:inline-block;margin-bottom:0}
.hero-knife-wrap a img{max-width:680px;width:100%;height:auto;object-fit:contain;filter:drop-shadow(0 0 60px rgba(184,115,51,.25)) drop-shadow(0 30px 60px rgba(0,0,0,.80));transition:transform .6s ease;display:block;margin:0 auto}
.hero-knife-wrap a:hover img{transform:scale(1.03) translateY(-10px)}

.trust-bar{background:var(--charcoal);padding:13px 32px;border-bottom:1px solid rgba(184,115,51,.18);display:flex;flex-wrap:wrap;justify-content:center;gap:6px 32px}
.trust-bar span{color:var(--bronze-lgt);font-size:.86rem;font-weight:700;display:flex;align-items:center;gap:6px;white-space:nowrap}

.reviews-section{background:var(--near-white);padding:70px 48px}
.reviews-grid{max-width:1160px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.review-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px 24px;text-align:center;transition:box-shadow .3s,transform .3s;box-shadow:var(--shadow-sm);border-top:4px solid var(--bronze)}
.review-card:hover{box-shadow:var(--shadow-h);transform:translateY(-4px)}
.reviewer-photo{width:84px;height:84px;border-radius:50%;object-fit:cover;margin:0 auto 14px;display:block;border:3px solid var(--bronze-mid)}
.review-stars{height:20px;margin:0 auto 12px;display:block}
.review-badge{font-size:.9rem;font-weight:700;color:var(--bronze);margin-bottom:12px}
.review-text{font-size:.98rem;line-height:1.75;color:var(--muted);font-style:italic}
.reviewer-name{margin-top:16px;font-weight:700;color:var(--text-mid);font-size:.92rem}

.what-is-section{background:var(--cream);padding:70px 48px}
.what-is-inner{max-width:1160px;margin:0 auto;display:grid;grid-template-columns:1fr 1.45fr;align-items:center;gap:64px}
.what-is-img-wrap{display:flex;justify-content:center}
.what-is-img-wrap img{width:100%;max-width:420px;height:auto;object-fit:contain;filter:drop-shadow(0 8px 24px rgba(0,0,0,.14))}
.what-is-text p{font-size:1.1rem;line-height:1.85;color:var(--muted);margin-bottom:18px}

.why-section{background:var(--cream-warm);padding:70px 48px}
.section-prose{max-width:900px;margin:0 auto}
.section-prose p{font-size:1.1rem;line-height:1.85;color:var(--muted);margin-bottom:18px}

.pricing-band{background:var(--forge-mid);padding:48px 40px 16px;text-align:center;border-top:3px solid var(--bronze)}
.pricing-band h3{font-family:'Jost',sans-serif;font-size:2rem;font-weight:900;color:var(--bronze-lgt);margin-bottom:10px;text-transform:uppercase;letter-spacing:1px}
.pricing-band h4{font-family:'Jost',sans-serif;font-size:1.25rem;font-weight:500;color:rgba(255,255,255,.65);margin-bottom:0}
.price-img-section{background:var(--white);padding:48px;text-align:center}
.price-img-section a img{max-width:900px;width:100%;height:auto;object-fit:contain;border-radius:var(--radius-lg);box-shadow:var(--shadow);transition:transform .3s}
.price-img-section a:hover img{transform:scale(1.01)}

/* 3-col stat cards */
.stat-cards-section{background:var(--white);padding:70px 48px}
.stat-cards-grid{max-width:1080px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.sc-card{background:var(--cream);border:1px solid var(--border);border-radius:var(--radius-xl);padding:36px 24px 28px;text-align:center;position:relative;overflow:hidden;box-shadow:var(--shadow-sm);transition:box-shadow .25s,transform .25s;border-top:4px solid var(--bronze)}
.sc-card:nth-child(3n+2){border-top-color:var(--gold)}
.sc-card:nth-child(3n){border-top-color:var(--charcoal-lgt)}
.sc-card:hover{box-shadow:var(--shadow-h);transform:translateY(-4px)}
.sc-stat{font-family:'Jost',sans-serif;font-size:3.5rem;font-weight:900;color:var(--bronze);display:block;line-height:1;margin-bottom:4px}
.sc-card:nth-child(3n+2) .sc-stat{color:var(--gold)}
.sc-card:nth-child(3n) .sc-stat{color:var(--charcoal-lgt)}
.sc-unit{font-size:.78rem;font-weight:800;text-transform:uppercase;letter-spacing:2px;color:var(--muted);display:block;margin-bottom:14px}
.sc-icon{font-size:2.2rem;display:block;margin-bottom:14px}
.sc-card h3{font-family:'Jost',sans-serif;font-size:1.1rem;font-weight:900;color:var(--text-mid);margin-bottom:10px;line-height:1.3}
.sc-card p{font-size:.94rem;line-height:1.72;color:var(--muted)}
.sc-bg-num{position:absolute;bottom:-20px;right:-8px;font-family:'Jost',sans-serif;font-size:8rem;font-weight:900;color:rgba(184,115,51,.06);pointer-events:none;user-select:none;line-height:1}

/* Properties */
.properties-section{background:var(--cream-warm);padding:70px 48px}
.props-inner{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:1.2fr 1fr;align-items:center;gap:60px}
.props-img-wrap{display:flex;justify-content:center}
.props-img-wrap img{width:100%;max-width:480px;height:auto;object-fit:contain;filter:drop-shadow(0 8px 24px rgba(0,0,0,.14))}
.props-list{display:flex;flex-direction:column;gap:14px}
.prop-item{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);padding:18px 20px;display:flex;align-items:flex-start;gap:14px;box-shadow:var(--shadow-sm);transition:box-shadow .2s,transform .2s;border-left:5px solid var(--bronze)}
.prop-item:nth-child(even){border-left-color:var(--gold)}
.prop-item:hover{box-shadow:var(--shadow-h);transform:translateX(4px)}
.prop-icon{font-size:1.4rem;flex-shrink:0;margin-top:2px}
.prop-body strong{font-family:'Jost',sans-serif;font-size:1rem;font-weight:800;color:var(--text-mid);display:block;margin-bottom:3px}
.prop-body p{font-size:.88rem;line-height:1.60;color:var(--muted)}

/* Gift box */
.giftbox-section{background:var(--forge-mid);padding:70px 48px}
.giftbox-inner{max-width:1000px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:60px}
.giftbox-img{display:flex;justify-content:center}
.giftbox-img a img{width:100%;max-width:420px;height:auto;object-fit:contain;filter:drop-shadow(0 0 32px rgba(184,115,51,.22)) drop-shadow(0 10px 32px rgba(0,0,0,.70));transition:transform .4s;border-radius:var(--radius-lg)}
.giftbox-img a:hover img{transform:scale(1.04)}
.giftbox-text p{font-size:1.1rem;line-height:1.85;color:rgba(255,255,255,.65);margin-bottom:18px}
.giftbox-text h3{font-family:'Jost',sans-serif;font-size:1.9rem;font-weight:900;color:var(--white);margin-bottom:14px;line-height:1.2}
.giftbox-text h3 span{color:var(--bronze-lgt)}

/* Guarantee */
.guarantee-section{background:var(--cream);padding:70px 48px}
.guarantee-inner{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:260px 1fr;align-items:center;gap:60px}
.guarantee-img-wrap{display:flex;justify-content:center}
.guarantee-img-wrap img{width:100%;max-width:260px;height:auto;object-fit:contain}
.guarantee-text p{font-size:1.1rem;line-height:1.85;color:var(--muted);margin-bottom:18px}

/* FAQs */
.faq-section{background:var(--near-white);padding:70px 48px}
.faq-list{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}
.faq-question{width:100%;background:none;border:none;text-align:left;padding:20px 24px;font-family:'Jost',sans-serif;font-size:1.08rem;font-weight:700;color:var(--text);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:14px;transition:background .2s;line-height:1.4}
.faq-question:hover{background:var(--gold-xpale)}
.faq-arrow{font-size:1.1rem;transition:transform .3s;color:var(--bronze);flex-shrink:0}
.faq-answer{display:none;padding:14px 24px 20px;font-size:1.02rem;line-height:1.8;color:var(--muted);border-top:1px solid var(--border)}
.faq-item.open .faq-answer{display:block}
.faq-item.open .faq-arrow{transform:rotate(180deg)}

.order-how-section{background:var(--cream-warm);padding:70px 48px}
.order-how-inner{max-width:900px;margin:0 auto}
.order-how-inner p{font-size:1.1rem;line-height:1.85;color:var(--muted);margin-bottom:18px}
.order-img-wrap{text-align:center;margin-top:36px}
.order-img-wrap a img{max-width:900px;width:100%;height:auto;object-fit:contain;border-radius:var(--radius-lg);box-shadow:var(--shadow);transition:transform .3s}
.order-img-wrap a:hover img{transform:scale(1.01)}

.cta-final{background:var(--forge);padding:80px 48px;text-align:center;border-top:3px solid var(--bronze);position:relative;overflow:hidden}
.cta-final::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 50% 0%,rgba(184,115,51,.18) 0%,transparent 55%);pointer-events:none}
.cta-final h2{font-family:'Jost',sans-serif;font-size:2.5rem;font-weight:900;color:var(--white);margin-bottom:12px;line-height:1.2;position:relative;z-index:1}
.cta-final h2 span{color:var(--bronze-lgt)}
.cta-sub{font-size:1.05rem;color:rgba(255,255,255,.55);margin-bottom:36px;position:relative;z-index:1}
.cta-product-img{max-width:500px;margin:0 auto 32px;position:relative;z-index:1}
.cta-product-img a img{width:100%;height:auto;object-fit:contain;filter:drop-shadow(0 0 40px rgba(184,115,51,.28)) drop-shadow(0 14px 40px rgba(0,0,0,.80));transition:transform .4s}
.cta-product-img a:hover img{transform:scale(1.04) translateY(-8px)}
.cta-note{font-size:.88rem;color:rgba(255,255,255,.35);margin-top:14px;position:relative;z-index:1}

/* Footer */
footer{background:var(--forge);border-top:3px solid var(--bronze)}
.footer-main{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.6fr 1fr 1fr;padding:48px;gap:0;border-bottom:1px solid rgba(255,255,255,.06)}
.fb-brand{padding-right:40px;border-right:1px solid rgba(255,255,255,.07)}
.fb-logo{font-family:'Jost',sans-serif;font-size:1.45rem;font-weight:900;color:var(--white);text-transform:uppercase;letter-spacing:1.5px;text-decoration:none;display:block;margin-bottom:8px}
.fb-logo span{color:var(--bronze-lgt)}
.fb-brand p{font-size:.88rem;line-height:1.72;color:rgba(255,255,255,.42);margin-bottom:16px}
.fb-spec-pills{display:flex;flex-wrap:wrap;gap:6px}
.fb-pill{background:rgba(184,115,51,.12);border:1px solid rgba(184,115,51,.24);color:var(--bronze-lgt);font-size:.70rem;font-weight:800;padding:4px 10px;border-radius:var(--radius-pill)}
.fb-nav{padding:0 28px}
.fb-nav h5{font-family:'Jost',sans-serif;font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:2px;color:var(--bronze-lgt);margin-bottom:12px;padding-bottom:7px;border-bottom:1px solid rgba(184,115,51,.20)}
.fb-nav ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:9px}
.fb-nav ul li a{color:rgba(255,255,255,.40);text-decoration:none;font-size:.90rem;font-weight:500;font-family:'Jost',sans-serif;transition:color .2s;display:flex;align-items:center;gap:5px}
.fb-nav ul li a::before{content:'›';color:var(--bronze-mid);font-size:.9rem;font-weight:700}
.fb-nav ul li a:hover{color:var(--white)}
.footer-legal{max-width:1200px;margin:0 auto;padding:16px 48px 22px;text-align:center}
.footer-legal p{font-size:.80rem;color:rgba(255,255,255,.24);line-height:1.70;margin-bottom:6px}
.footer-legal a{color:rgba(255,255,255,.30);text-decoration:none}
.footer-legal a:hover{color:var(--bronze-lgt)}
.footer-copy{font-size:.80rem;color:rgba(255,255,255,.24);font-family:'Jost',sans-serif;margin-top:8px;padding-top:8px;border-top:1px solid rgba(255,255,255,.06)}

.fade-up{opacity:0;transform:translateY(28px);transition:opacity .65s ease,transform .65s ease}
.fade-up.visible{opacity:1;transform:translateY(0)}

@media(max-width:1100px){.footer-main{grid-template-columns:1fr 1fr}.fb-brand{grid-column:1/-1;border-right:none;border-bottom:1px solid rgba(255,255,255,.07);padding-right:0;padding-bottom:24px;margin-bottom:8px}}
@media(max-width:900px){.hero{padding:48px 24px 0}.hero-h1{font-size:2.7rem}.stat-cards-grid{grid-template-columns:1fr 1fr}.reviews-grid{grid-template-columns:1fr 1fr}.what-is-inner,.guarantee-inner{grid-template-columns:1fr}.guarantee-img-wrap{justify-content:center}.props-inner{grid-template-columns:1fr}.props-img-wrap{justify-content:center}.giftbox-inner{grid-template-columns:1fr}.giftbox-img{justify-content:center}}
@media(max-width:640px){nav{padding:0 16px}.nav-links{display:none}.hamburger{display:flex}.hero-h1{font-size:2.1rem}.hero-knife-wrap a img{max-width:360px}.stat-cards-grid{grid-template-columns:1fr}.reviews-grid{grid-template-columns:1fr}.sec-title-band{padding:36px 20px 30px}.sec-title-band h2{font-size:1.65rem}.reviews-section,.what-is-section,.why-section,.stat-cards-section,.properties-section,.giftbox-section,.guarantee-section,.faq-section,.order-how-section{padding:44px 20px}.price-img-section{padding:32px 20px}.cta-final{padding:56px 20px}.cta-final h2{font-size:1.85rem}.footer-main,.footer-legal{padding:28px 20px}.fb-nav{padding:0}.trust-bar{padding:12px 20px;gap:6px 18px}.footer-main{grid-template-columns:1fr}}