:root{--navy:#102b49;--ink:#15263b;--orange:#f87912;--cream:#f6f7f8;--muted:#647384}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:82px}body{margin:0;font-family:Manrope,'Noto Sans JP',sans-serif;color:var(--ink);background:white}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}.container{max-width:1250px;margin:auto;padding:0 38px}.header{height:78px;background:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 4%;gap:25px;position:sticky;top:0;z-index:30;box-shadow:0 2px 18px #102b4910}.brand{display:flex;align-items:center;white-space:nowrap;gap:8px}.brand-mark{width:40px;height:40px;border-radius:50% 50% 12% 12%;background:linear-gradient(135deg,#ffb22c,#f16b04);display:grid;place-items:center;color:white;font-size:29px;font-weight:800;transform:rotate(-8deg)}.brand-name{font-size:27px;letter-spacing:-2px;font-weight:800;color:#f47710}.brand-name span{font-size:.8em}.brand small{font-size:8px;letter-spacing:2px;color:#657080;margin-left:2px}.nav{display:flex;gap:23px;align-items:center}.nav a{font-size:12px;font-weight:700;transition:color .2s}.nav a:hover,.nav a.active{color:var(--orange)}.header-actions{display:flex;align-items:center;gap:17px}.lang{border:0;background:transparent;font-size:11px;font-weight:800;white-space:nowrap}.lang span{color:#b5bdc6;padding:0 4px}.contact-btn{background:var(--orange);color:#fff;padding:13px 16px;border-radius:4px;font-size:11px;font-weight:700;white-space:nowrap}.contact-btn span{padding-left:12px}.hamburger{display:none;border:0;background:transparent;width:36px}.hamburger span{display:block;height:2px;background:var(--ink);margin:6px 0}.hero{height:min(680px,75vw);min-height:540px;position:relative;color:#fff;overflow:hidden}.hero-image{position:absolute;inset:0;background:linear-gradient(90deg,#061c3555,#061c3511),url('https://images.unsplash.com/photo-1436491865332-7a61a109cc05?auto=format&fit=crop&w=2000&q=85') center 45%/cover}.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,#0a2849d9 0%,#0a2849a3 38%,#0a284926 85%),linear-gradient(0deg,#09294b85,transparent 40%)}.hero-content{position:relative;z-index:1;padding-top:110px}.eyebrow,.kicker{font-size:11px;font-weight:800;letter-spacing:2.4px}.light{color:#ffffffd6}.dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--orange);margin-right:8px}.hero h1{font-size:clamp(38px,5.1vw,72px);font-weight:700;letter-spacing:.045em;line-height:1.46;margin:22px 0}.hero-sub{display:flex;align-items:center;gap:17px;font-size:14px;letter-spacing:2px;font-weight:700}.orange-line{width:48px;height:3px;background:var(--orange)}.hero p{font-size:15px;line-height:2.1;margin:32px 0;color:#f0f3f6}.hero-link{display:inline-flex;align-items:center;gap:22px;font-size:13px;font-weight:700}.circle-arrow{display:grid;place-items:center;border:1px solid #ffffff88;border-radius:50%;height:40px;width:40px;font-size:21px}.hero-bottom{position:absolute;bottom:25px;left:4%;right:4%;z-index:1;display:flex;justify-content:space-between;font-size:10px;letter-spacing:2px;color:#ffffffbb}.section{padding:105px 0}.kicker{color:var(--orange);margin:0 0 23px}.section-title{font-size:clamp(33px,3.4vw,49px);line-height:1.45;letter-spacing:.02em;margin:0;font-weight:800}.section-title em{font-style:normal;color:var(--orange)}.period{color:var(--orange)}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:100px}.about-copy{padding-top:20px}.about-copy .lead{font-size:21px;font-weight:700;margin:0 0 25px}.about-copy>p:not(.lead){font-size:14px;line-height:2.2;color:var(--muted)}.about-tag{display:flex;flex-wrap:wrap;gap:10px;margin-top:29px}.about-tag span{border:1px solid #dce1e6;border-radius:3px;padding:8px 12px;font-size:10px;font-weight:800;letter-spacing:1px}.business{background:var(--cream)}.section-heading{display:flex;align-items:end;justify-content:space-between;margin-bottom:45px;gap:20px}.heading-aside{color:var(--muted);font-size:13px;line-height:1.9}.service-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.service-card{background:#fff;box-shadow:0 10px 28px #15263b0a;overflow:hidden;transition:transform .3s,box-shadow .3s}.service-card:hover{transform:translateY(-7px);box-shadow:0 18px 40px #15263b1c}.service-photo{height:220px;background-position:center;background-size:cover}.photo-1{background-image:url('https://images.unsplash.com/photo-1556742049-0cfed4f6a45d?auto=format&fit=crop&w=900&q=80')}.photo-2{background-image:url('https://images.unsplash.com/photo-1488085061387-422e29b40080?auto=format&fit=crop&w=900&q=80')}.photo-3{background-image:url('https://images.unsplash.com/photo-1586528116311-ad8dd3c8310d?auto=format&fit=crop&w=900&q=80')}.service-body{padding:30px 29px 27px;min-height:290px;position:relative}.service-num{color:var(--orange);font-size:10px;font-weight:800;letter-spacing:1.3px}.service-body h3{font-size:19px;line-height:1.55;margin:18px 0 13px}.service-body p{color:var(--muted);font-size:12px;line-height:1.9;margin:0 0 25px}.service-arrow{position:absolute;bottom:23px;right:28px;font-size:22px;color:var(--orange)}.strengths{background:linear-gradient(100deg,#0c2441f5,#133b61e8),url('https://images.unsplash.com/photo-1586528116493-a029325540fa?auto=format&fit=crop&w=1600&q=80') center/cover;color:#fff}.light-kicker{color:#ff9b47}.white{color:white}.strength-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:35px;margin-top:58px}.strength-grid article{padding:8px 35px 5px 0;border-right:1px solid #ffffff44}.strength-grid article:last-child{border:0}.strength-icon{display:block;font-size:40px;color:#ff9945;margin-bottom:25px}.strength-no{font-size:10px;letter-spacing:2px;color:#ffb17b}.strength-grid h3{font-size:18px;line-height:1.6;margin:15px 0}.strength-grid p{font-size:12px;color:#d4dfeb;line-height:2}.history{background:#fff}.timeline{display:grid;grid-template-columns:repeat(5,1fr);margin-top:75px;border-top:1px solid #d7dfe7}.milestone{position:relative;padding:31px 18px 0 0;margin-right:14px}.milestone:before{content:"";position:absolute;top:-6px;left:0;background:var(--orange);height:11px;width:11px;border-radius:50%;box-shadow:0 0 0 4px #ffecdd}.milestone>span{font-size:18px;font-weight:800}.milestone small{font-size:10px}.milestone h3{font-size:13px;margin:22px 0 9px}.milestone p{font-size:12px;line-height:1.9;color:var(--muted)}.future{opacity:.75}.company{background:#f3f5f7}.company-grid{display:grid;grid-template-columns:1fr 1.5fr;gap:75px}.company-motto{font-size:18px;line-height:2.1;margin-top:50px;color:#62748a}.company-table>div{display:grid;grid-template-columns:130px 1fr;border-bottom:1px solid #d5dce3;padding:19px 0;gap:15px}.company-table>div:first-child{border-top:1px solid #d5dce3}.company-table dt{font-size:12px;font-weight:700}.company-table dd{margin:0;font-size:12px;line-height:1.9}.company-table small{color:var(--muted)}.contact{background:#0d2b4b;color:white;padding:95px 0}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center}.contact h2{font-size:clamp(30px,3.5vw,46px);line-height:1.5;margin:0 0 22px}.contact p{font-size:13px;line-height:2;color:#c8d6e5}.contact-panel{border:1px solid #ffffff50;min-height:180px;padding:35px;position:relative}.contact-panel>span:first-child{font-size:11px;letter-spacing:2px;color:#ffb17b;font-weight:800}.contact-deco{position:absolute;right:32px;bottom:20px;font-size:44px;color:var(--orange)}.footer{background:#081e35;color:#fff}.footer-top{padding-top:35px;padding-bottom:35px;display:flex;justify-content:space-between;align-items:center}.footer-top>span{font-size:12px;color:#a7b8c9}.footer-brand .brand-name{color:#fff}.footer-brand small{color:#afc0cf}.footer-bottom{padding-top:18px;padding-bottom:22px;border-top:1px solid #ffffff22;display:flex;justify-content:space-between;color:#a7b8c9;font-size:10px;letter-spacing:1px}.footer-bottom a:hover{color:white}@media(max-width:1120px){.nav{gap:13px}.nav a{font-size:10px}.header{padding:0 22px}.brand small{display:none}}@media(max-width:900px){.header{height:68px}.hamburger{display:block}.nav{display:none;position:absolute;top:68px;left:0;right:0;background:white;flex-direction:column;align-items:stretch;gap:0;box-shadow:0 14px 20px #0002;padding:15px 30px}.nav.open{display:flex}.nav a{padding:13px 0;border-bottom:1px solid #e9edf1;font-size:13px}.contact-btn{display:none}.hero{min-height:600px;height:72vh}.hero-content{padding-top:115px}.about-grid,.company-grid,.contact-grid{grid-template-columns:1fr;gap:30px}.about-copy{padding:0}.section{padding:75px 0}.service-grid{gap:14px}.service-body{padding:23px 20px}.service-photo{height:160px}.strength-grid{gap:18px}.strength-grid article{padding-right:15px}.timeline{grid-template-columns:repeat(3,1fr);row-gap:45px}.company-motto{margin-top:20px}}@media(max-width:650px){.container{padding:0 22px}.header{padding:0 17px}.brand-name{font-size:24px}.brand-mark{height:33px;width:33px;font-size:23px}.header-actions{gap:6px}.hero{min-height:590px;height:78vh}.hero-image{background-position:58% center}.hero-content{padding-top:110px}.hero h1{font-size:clamp(33px,8.5vw,49px);line-height:1.5}.hero p{font-size:13px}.hero-sub{font-size:11px;letter-spacing:1px}.hero-bottom{font-size:8px}.section{padding:65px 0}.section-heading{align-items:start}.heading-aside{font-size:11px}.service-grid{grid-template-columns:1fr;gap:20px}.service-photo{height:210px}.service-body{min-height:240px}.service-body h3{font-size:20px}.strength-grid{grid-template-columns:1fr;gap:32px;margin-top:36px}.strength-grid article{border-right:0;border-bottom:1px solid #ffffff33;padding-bottom:25px}.strength-grid article:last-child{border:0}.strength-icon{margin-bottom:8px}.timeline{grid-template-columns:1fr 1fr;gap:35px 14px}.milestone>span{font-size:16px}.company-table>div{grid-template-columns:100px 1fr}.contact{padding:70px 0}.footer-top{align-items:start;flex-direction:column;gap:20px}.footer-bottom{gap:20px}.footer-bottom span{line-height:1.8}}

/* v2: readable type across desktop and mobile */
.nav a{font-size:14px}.brand small{font-size:10px}.lang{font-size:14px}.contact-btn{font-size:14px}
.eyebrow,.kicker{font-size:13px}.hero p{font-size:18px}.hero-link{font-size:16px}.hero-bottom{font-size:12px}
.about-copy>p:not(.lead){font-size:17px}.about-tag span{font-size:13px}.heading-aside{font-size:16px}
.service-num,.strength-no{font-size:13px}.service-body h3{font-size:22px}.service-body p{font-size:16px}.service-body{min-height:335px}
.strength-grid h3{font-size:21px}.strength-grid p{font-size:16px}.milestone h3{font-size:16px}.milestone p{font-size:15px}.milestone small{font-size:13px}
.company-table dt,.company-table dd{font-size:16px}.company-table>div{grid-template-columns:120px minmax(0,1fr)}.company-table dd{overflow-wrap:anywhere}.address-label{font-weight:800;color:var(--navy);display:inline-block;margin-right:12px}.rep-reading{color:var(--muted);font-size:14px;display:inline-block}
.contact p{font-size:16px}.contact-panel>span:first-child{font-size:14px}.footer-top>span{font-size:15px}.footer-bottom{font-size:13px}
@media(max-width:1120px){.nav a{font-size:13px}.nav{gap:12px}}
@media(max-width:900px){.nav a{font-size:16px}.service-body{min-height:335px}}
@media(max-width:650px){.hero p{font-size:16px}.hero-sub{font-size:13px}.hero-bottom{font-size:11px}.heading-aside{font-size:14px}.service-body{min-height:270px}.company-table>div{grid-template-columns:88px minmax(0,1fr);gap:12px}.company-table dt,.company-table dd{font-size:15px}.rep-reading{font-size:13px}.footer-bottom{font-size:12px}}

/* v3 official K&B logo */
.brand-logo{display:block;width:110px;height:54px;object-fit:contain;object-position:left center;flex-shrink:0}
.brand{gap:10px}.brand small{font-size:11px;letter-spacing:1.5px}
.footer-brand .brand-logo{width:130px;height:90px;object-fit:contain;background:white;border-radius:4px;padding:7px}
@media(max-width:1120px){.brand-logo{width:95px;height:49px}.brand small{display:none}}
@media(max-width:650px){.brand-logo{width:83px;height:48px}.footer-brand .brand-logo{width:110px;height:75px}}

/* Ver.4: corporate typography and refined branding */
body{font-family:'Noto Sans JP',Manrope,sans-serif;-webkit-font-smoothing:antialiased}
h1,h2,h3,.brand small,.kicker,.eyebrow{font-family:Manrope,'Noto Sans JP',sans-serif}
.brand{gap:17px}.brand small{font-size:17px!important;letter-spacing:.075em;font-weight:800;color:#162d49;display:inline-block!important;margin-left:0}
.brand-logo{width:75px;height:61px;object-fit:contain;object-position:center}
.header{min-height:86px;height:86px}
.nav a{font-size:14px;font-weight:700;letter-spacing:.015em}
.section-title{letter-spacing:-.025em}.service-body h3,.strength-grid h3{letter-spacing:.015em}
.footer-top{padding-top:48px;padding-bottom:43px}.footer-brand{gap:20px}.footer-brand .brand-logo{width:88px;height:86px;background:transparent;padding:0;border-radius:0}.footer-brand small{font-size:21px!important;color:#fff;letter-spacing:.08em}
.footer-top>span{font-size:15px;letter-spacing:.04em}
.footer-bottom{font-size:13px}
@media(max-width:1120px){.brand small{font-size:15px!important}.brand-logo{width:65px;height:55px}.nav{gap:12px}}
@media(max-width:900px){.header{height:74px;min-height:74px}.nav{top:74px}.brand small{font-size:16px!important}}
@media(max-width:650px){.brand{gap:9px}.brand-logo{width:48px;height:49px}.brand small{font-size:13px!important;letter-spacing:0}.footer-brand .brand-logo{width:74px;height:76px}.footer-brand small{font-size:19px!important}.footer-top>span{font-size:14px}}

/* K&B v4.1: company motto contrast */
.company-motto{color:#172d45;font-weight:700}

/* Ver.6 multi-page & audited financial highlights */
.page-hero{background:linear-gradient(115deg,#102b49,#1d4c73);color:#fff;padding:88px 0 92px}.page-hero .kicker{color:#ffae71}.page-hero h1{font-size:clamp(38px,5.5vw,68px);letter-spacing:.02em;margin:15px 0}.page-hero p:last-child{color:#d6e3ed;font-size:17px;line-height:1.8}
.performance{background:#f7f8fa}.performance-panel{display:grid;grid-template-columns:1.25fr 1fr;gap:35px;margin-top:38px;padding:50px 55px;background:#102b49;color:white}.performance-label{color:#b8cadd;font-size:15px;letter-spacing:.04em}.performance-big{font-family:Manrope,sans-serif;font-size:clamp(70px,10vw,125px);font-weight:800;letter-spacing:-.06em;line-height:1.15;margin:16px 0}.performance-big span{font-size:.34em;letter-spacing:0;margin-left:9px}.performance-statement{font-size:22px;color:#ffae71}.performance-side{border-left:1px solid #ffffff35;padding-left:40px;align-self:center}.performance-growth{font-family:Manrope,sans-serif;font-size:clamp(48px,6vw,78px);font-weight:800;line-height:1.1;margin:20px 0;color:#ffae71}.performance-growth span{font-size:.5em}.performance-side>p:last-child{color:#c6d5e4;font-size:14px;line-height:1.8}.performance-footnote{font-size:12px;color:#647384;margin-top:17px;line-height:1.8}.detail-copy{font-size:18px;line-height:2.2;max-width:780px;color:#52657b}.contact-address{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:30px}.contact-address p{line-height:2;font-size:16px;padding:30px;background:#f3f5f7}.contact-address strong{color:#102b49}.service-arrow{display:block}
@media(max-width:700px){.page-hero{padding:65px 0}.performance-panel{grid-template-columns:1fr;padding:30px 25px;gap:30px}.performance-side{border-left:0;border-top:1px solid #ffffff35;padding:25px 0 0}.performance-big{font-size:70px}.performance-statement{font-size:18px}.contact-address{grid-template-columns:1fr}}