:root{--navy:#1f2622;--bg:#f4f2ec;--bg2:#ebe8e0;--ch:#1f2622;--ink:#26302b;--mu:#6c726c;--gr:#304a3b;--gr2:#3d5c49;--or:#cf5b2b;--ln:#d8d4ca}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.7 Inter,"Noto Sans JP",system-ui,sans-serif;letter-spacing:.005em}
body.l-ja{font-family:"Noto Sans JP",Inter,sans-serif}
a{color:inherit}img{max-width:100%;height:auto}
.w{max-width:1400px;margin:0 auto;padding:0 48px}
svg{fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
/* header */
.hd{background:var(--bg);border-bottom:1px solid transparent;position:relative;z-index:5}
.hbar{display:flex;align-items:center;gap:28px;height:92px}
.brand img{display:block;width:168px;height:auto}
.desc{margin:0;padding-left:24px;border-left:1px solid var(--ln);font:500 11.5px/1.65 Inter;letter-spacing:.12em;color:var(--mu)}
.nav{display:flex;align-items:center;gap:34px;margin-left:auto;font:600 13.5px Inter,"Noto Sans JP";letter-spacing:.08em}
.nav>a,.nav summary{text-decoration:none;color:var(--ch);cursor:pointer}
.nav a:hover,.nav summary:hover{color:var(--or)}
.sol{position:relative}.sol summary{list-style:none}.sol summary::-webkit-details-marker{display:none}
.sol summary:after{content:"";display:inline-block;width:6px;height:6px;border:solid var(--ch);border-width:0 1.5px 1.5px 0;transform:rotate(45deg) translate(-2px,-2px);margin-left:9px}
.dd{position:absolute;top:34px;left:-20px;background:#fff;border:1px solid var(--ln);min-width:270px;padding:10px 0;box-shadow:0 18px 40px rgba(31,38,34,.12)}
.dd a{display:block;padding:9px 22px;text-decoration:none;font-size:12.5px;color:var(--ch)}
.dd a:hover{background:var(--bg);color:var(--or)}
.langs{display:flex;align-items:center;gap:10px;padding-left:28px;border-left:1px solid var(--ln);height:44px;font:600 13px Inter;color:var(--mu)}
.langs svg{width:22px;height:22px;color:var(--ch)}.langs a{text-decoration:none}.langs a.on{color:var(--or)}.langs i{font-style:normal;color:var(--ln)}
.btn-c{display:inline-flex;align-items:center;gap:10px;background:var(--or);color:#fff;text-decoration:none;font:600 13.5px Inter,"Noto Sans JP";letter-spacing:.08em;padding:15px 24px}
.btn-c svg{width:20px;height:20px;color:#fff}.btn-c:hover{background:#b64d22}
.mnav{display:none}
/* home = 1 màn hình */
body.home{height:100vh;overflow:hidden;display:flex;flex-direction:column}
body.home main{flex:1;display:flex;flex-direction:column;min-height:0}
body.home main>.w{width:100%}   /* flex column + margin auto làm khối co theo nội dung (30/9) */
html,body{overflow-x:hidden}
body.home .ft{display:none}
.hero{position:relative;flex:1;min-height:0;overflow:hidden}
.hero .pic{position:absolute;top:0;right:0;bottom:0;width:62%;background-size:cover;background-position:center;
  clip-path:polygon(28% 0,100% 0,100% 100%,0 100%);animation:hin 1.1s .9s both}
.hero .pic:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(244,242,236,.92) 0%,rgba(244,242,236,.55) 26%,rgba(244,242,236,0) 46%)}
.hero .txt{position:relative;height:100%;display:flex;flex-direction:column;justify-content:center}
.eb{display:flex;align-items:center;gap:14px;margin:0 0 2.2vh;font:500 clamp(13px,1.8vh,17px) "Noto Sans JP",Inter;color:var(--ch);animation:up .6s .1s both}
.eb i{display:block;width:44px;height:1.5px;background:var(--or);transform-origin:left;animation:ln .8s .6s both}
.hero h1{margin:0;font:900 clamp(40px,8.2vh,98px)/.98 Inter;letter-spacing:-.01em;color:var(--ch);text-transform:uppercase}
.hero h1 span{display:block}.hero h1 .a{animation:up .6s .15s both}.hero h1 .b{animation:up .6s .45s both}
.hero h1 em{font-style:normal;color:var(--or)}
.sub{margin:2vh 0 3.4vh;font:500 clamp(15px,2.3vh,24px) Inter;color:var(--ch);animation:up .6s .6s both}
.sub b{font-weight:400;margin:0 .9em;color:var(--mu)}
.lead{margin:0 0 3.6vh;font:400 clamp(14px,2vh,19px)/1.6 Inter,"Noto Sans JP";color:var(--mu);max-width:600px;animation:up .6s .7s both}
.cta{align-self:flex-start;display:inline-flex;gap:18px;background:var(--or);color:#fff;text-decoration:none;font:600 clamp(13px,1.9vh,17px) Inter,"Noto Sans JP";letter-spacing:.08em;padding:2vh 32px;animation:up .6s .8s both}
.cta:hover{background:#b64d22}
.box{position:absolute;right:0;bottom:0;width:min(360px,26vw);background:var(--gr);color:#eef0ea;padding:3.2vh 36px 3vh;animation:up .7s 1.2s both;z-index:2}
.box p{margin:0;font:500 clamp(15px,2.3vh,22px)/1.6 "Noto Sans JP",Inter}
.box i{display:block;width:40px;height:2px;background:var(--or);margin:2.2vh 0 1.6vh}
.box small{font:500 11.5px/1.7 Inter;letter-spacing:.12em;color:#a9b4ab}
.stats{display:grid;grid-template-columns:repeat(4,1fr);padding-top:2.6vh;padding-bottom:2.2vh;background:var(--bg)}
.st{display:flex;gap:18px;align-items:flex-start;padding:0 26px;border-left:1px solid var(--ln)}.st:first-child{border:0;padding-left:0}
.st svg{width:clamp(34px,5vh,48px);height:clamp(34px,5vh,48px);color:var(--gr);flex:none;margin-top:4px}
.st b{display:block;font:800 clamp(26px,4.6vh,44px)/1 Inter;color:var(--ch)}
.st span{display:block;font:700 clamp(12px,1.9vh,16px) Inter,"Noto Sans JP";letter-spacing:.08em;margin-top:.8vh;color:var(--ch)}
.st small{display:block;font:500 clamp(10px,1.45vh,12.5px) Inter,"Noto Sans JP";letter-spacing:.1em;color:var(--mu)}
.inds{display:flex;align-items:center;flex-wrap:wrap;gap:0;border-top:1px solid var(--ln);padding-top:1.8vh;padding-bottom:2vh}
.inds small{font:500 11px Inter,"Noto Sans JP";letter-spacing:.14em;color:var(--mu);margin-right:28px}
.inds span{font:600 clamp(13px,1.9vh,16px) Inter,"Noto Sans JP";color:var(--ch);padding:0 26px;border-left:1px solid var(--ln)}
.inds a{margin-left:auto;font:500 13px Inter,"Noto Sans JP";color:var(--mu);text-decoration:none}.inds a:hover{color:var(--or)}
@keyframes up{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@keyframes ln{from{transform:scaleX(0)}to{transform:scaleX(1)}}
@keyframes hin{from{opacity:0}to{opacity:1}}
@media (prefers-reduced-motion:reduce){*{animation:none!important}}
/* trang con */
.phead{background:var(--bg);color:var(--ch);padding:64px 0 40px;border-bottom:1px solid var(--ln)}.phead .wrap{max-width:1400px;margin:0 auto;padding:0 48px}
.phead h1{margin:0;font:800 clamp(28px,3.4vw,48px)/1.15 Inter,"Noto Sans JP";letter-spacing:-.01em;color:var(--ch)}
.phead h1:after{content:"";display:block;width:48px;height:2px;background:var(--or);margin-top:18px}
.crumb{margin:0 0 14px;font-size:13px;color:var(--mu)}.crumb a{color:var(--mu)}
.wrap{max-width:1400px;margin:0 auto;padding:0 48px}.prose>*{max-width:900px}.prose .gallery,.prose .members{max-width:1100px}
.sec{padding:64px 48px}.prose{padding-top:48px;padding-bottom:64px}
.prose h2,.sec h2{font:700 26px/1.35 Inter,"Noto Sans JP";color:var(--ch)}.prose h3{color:var(--gr)}
.prose img{display:block;margin:24px auto}
.prose table{border-collapse:collapse;width:100%}.prose td,.prose th{border:1px solid var(--ln);padding:10px 14px;text-align:left}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--ln);text-decoration:none;color:var(--ink)}
.card:hover{border-color:var(--gr)}.card img,.card .noimg{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--bg2)}
.cb{padding:20px 22px;display:flex;flex-direction:column;flex:1}.cb h3{margin:0 0 8px;font:700 17px/1.4 Inter,"Noto Sans JP";color:var(--ch)}
.cb p{margin:0 0 14px;color:var(--mu);font-size:14.5px}.more{margin-top:auto;color:var(--or);font-weight:600;font-size:13px}
section.stats:not(.w){display:block;padding:0;background:var(--gr);color:#eef0ea}
section.stats:not(.w) .sgrid{max-width:1100px;margin:0 auto;padding:30px 48px;display:grid;grid-template-columns:repeat(3,1fr)}
section.stats:not(.w) .sgrid>div{border-left:1px solid rgba(255,255,255,.18);padding-left:24px}section.stats:not(.w) .sgrid>div:first-child{border:0;padding-left:0}
section.stats:not(.w) b{display:block;font:800 34px/1.1 Inter;color:#fff}section.stats:not(.w) span{font-size:13px;letter-spacing:.08em;color:#c9d2c9}
.members{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:20px}.member{text-align:center;font-size:14px}
.member img{width:100%;aspect-ratio:3/4;object-fit:cover;margin:0 0 8px}.member b{display:block;color:var(--ch)}.member span{color:var(--mu)}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}.gallery img{width:100%;height:220px;object-fit:cover;margin:0}
.cta-band,.ctab{background:var(--gr);color:#eef0ea}.btn{display:inline-block;background:var(--or);color:#fff;padding:13px 24px;text-decoration:none;font-weight:600}
.btn.ghost{background:transparent;border:1px solid currentColor}
.two{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.ft{background:var(--ch);color:#c9cec7;font-size:14px;padding:40px 0}.fcols{display:grid;grid-template-columns:1.2fr 1.4fr 1fr;gap:32px;align-items:start}
.ft img{filter:brightness(0) invert(1) opacity(.85)}.ft a{color:#c9cec7}.ft p{margin:10px 0 0}

/* trang con v2 */
.ph{background:var(--bg);padding:64px 0 40px;border-bottom:1px solid var(--ln)}
.ph h1{margin:0;font:800 clamp(30px,3.6vw,52px)/1.1 Inter,"Noto Sans JP";color:var(--ch);letter-spacing:-.01em}
.ph h1:after{content:"";display:block;width:48px;height:2px;background:var(--or);margin-top:20px}
.ph p{margin:18px 0 0;max-width:720px;color:var(--mu);font-size:17px}
.solg{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:0;padding-top:40px;padding-bottom:72px}
.sol-i{display:flex;flex-direction:column;padding:34px 30px 30px;border-right:1px solid var(--ln);border-bottom:1px solid var(--ln);text-decoration:none;color:var(--ink);min-height:230px;transition:background .2s}
.sol-i:hover{background:#fff}.sol-i small{font:600 12px Inter;letter-spacing:.14em;color:var(--or)}
.sol-i h2{margin:14px 0 10px;font:800 20px/1.3 Inter;letter-spacing:.04em;color:var(--ch)}.sol-i p{margin:0 0 18px;color:var(--mu);font-size:15px}
.sol-i span{margin-top:auto;font:600 13px Inter,"Noto Sans JP";color:var(--gr);letter-spacing:.04em}.sol-i:hover span{color:var(--or)}
.pjg{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:28px;padding-top:40px;padding-bottom:40px}
.pj{text-decoration:none;color:var(--ink);background:#fff;border:1px solid var(--ln);display:flex;flex-direction:column}.pj:hover{border-color:var(--gr)}
.pj img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--bg2);display:block}.pj div{padding:18px 20px 22px}
.pj h3{margin:0 0 8px;font:700 16.5px/1.45 Inter,"Noto Sans JP";color:var(--ch)}.pj p{margin:0;color:var(--mu);font-size:14px;line-height:1.6}
.note{max-width:1400px;margin:0 auto;padding:0 48px 64px;color:var(--mu);font-size:13px}
.prof{padding-top:48px;padding-bottom:24px}.prof h2{font:700 22px Inter,"Noto Sans JP";color:var(--ch);margin:0 0 20px}
.prof table{width:100%;max-width:1000px;border-collapse:collapse;border-top:2px solid var(--ch)}
.prof th,.prof td{text-align:left;vertical-align:top;padding:16px 20px;border-bottom:1px solid var(--ln);font-size:15.5px}
.prof td small{color:var(--mu);font-size:13.5px}.prof th{width:220px;background:var(--bg2);font-weight:600;color:var(--ch)}
.dd a.all{color:var(--or);border-bottom:1px solid var(--ln);margin-bottom:6px;padding-bottom:12px}.dd a.sis{border-top:1px solid var(--ln);margin-top:6px;padding-top:12px;color:var(--gr)}.inds a.sis{margin-left:22px;color:var(--gr);font-weight:600}
.form{background:#fff;border:1px solid var(--ln);padding:32px}.form h2{margin:0 0 16px;font:700 20px Inter,"Noto Sans JP";color:var(--ch)}
.form label{display:block;margin:0 0 14px;font-size:14px;color:var(--mu)}.form input,.form textarea{display:block;width:100%;margin-top:6px;padding:12px 14px;border:1px solid var(--ln);background:var(--bg);font:inherit;color:var(--ink)}
.form textarea{min-height:130px}.form button{border:0;cursor:pointer}.form .note{padding:12px 0 0;margin:0;font-size:12.5px}
.map{display:block;margin-top:22px;padding:22px;background:var(--gr);color:#eef0ea;text-decoration:none}.map b{display:block}.map span{color:#c9d2c9}
@media (max-width:960px){.ph{padding:40px 0 28px}.solg,.pjg{padding-top:24px}.sol-i{min-height:0;padding:26px 0;border-right:0}
 .prof th{width:34%;padding:12px}.prof td{padding:12px}.note{padding:0 22px 40px}}
.prose{overflow-wrap:anywhere}.grow{display:flex;gap:12px;margin:22px 0}.grow img{width:0;min-width:0;height:auto;margin:0!important;object-fit:contain}
.prose p.anh-ngang img{width:100%;height:auto}
.prose figure.anh-doc{margin:24px 0;background:var(--bg2);padding:22px;display:flex;justify-content:center}.prose figure.anh-doc img{max-height:540px;width:auto;margin:0}
@media (max-width:600px){.grow:has(img:nth-child(4)){flex-wrap:wrap}.grow:has(img:nth-child(4)) img{flex-basis:44%!important;flex-grow:1!important}.grow{gap:8px}.members{grid-template-columns:1fr 1fr!important;gap:14px}.prose figure.anh-doc{padding:12px}}
/* khung vừa + điện thoại */
@media (max-width:1180px){.desc{display:none}.nav{gap:22px}}
@media (max-width:960px){
 .nav,.langs .x{display:none}.btn-c{display:none}.langs{margin-left:auto;border:0}
 .mnav{display:block;position:relative}.mnav summary{list-style:none;font-size:26px;cursor:pointer}
 .mnav nav{position:absolute;right:0;top:40px;background:#fff;border:1px solid var(--ln);padding:12px 0;min-width:260px;z-index:9}
 .mnav nav a,.mnav summary{display:block}.mnav nav>a{padding:10px 20px;text-decoration:none;font:600 14px Inter,"Noto Sans JP"}
 .mnav .sol{padding:10px 20px}.mnav .sol summary{font:600 14px Inter,"Noto Sans JP";letter-spacing:.06em}.mnav .dd{position:static;box-shadow:none;border:0;min-width:0;padding:4px 0 0}
 body.home{height:auto;overflow:auto}.hero{flex:none;display:flex;flex-direction:column}
 .hero .txt{order:1;padding-top:26px;padding-bottom:26px}.hero .pic{order:2;position:relative;width:100%;height:38vh;clip-path:none;animation:none}
 .hero .pic:before{display:none}.box{order:3;position:relative;width:auto;padding:22px}
 .hero h1{font-size:clamp(30px,10.4vw,52px)}.sub{font-size:15px;margin:14px 0 18px}.sub b{margin:0 .45em}
 .lead{font-size:15px}.lead br{display:none}.cta{padding:14px 22px;font-size:14px}.eb{font-size:14px}.eb i{width:28px}
 main>.stats.w{grid-template-columns:1fr 1fr;row-gap:22px;padding-top:30px;padding-bottom:26px}.st{padding:0 0 0 14px;gap:0}.st:nth-child(3){border:0;padding-left:0}
 .st svg{display:none}.st b{font-size:28px}.st span{font-size:12px}.st small{font-size:10.5px}
 main>.inds.w{gap:8px 0;padding-top:18px;padding-bottom:28px}.inds small{width:100%;margin:0 0 4px}.inds span{padding:0 12px;font-size:14px}.inds span:nth-of-type(1){border:0;padding-left:0}
 .inds a{margin-left:0;width:100%;margin-top:8px}.inds a.sis{margin-left:0}.two,.fcols{grid-template-columns:1fr}
 .w,.wrap,.phead .wrap{padding:0 22px}.sec{padding:40px 22px}.hbar{height:72px}.brand img{width:130px}
}