:root{
  --navy:#141a2e;--navy-2:#1b2340;--navy-3:#0e1322;
  --cream:#f1ebdd;--gold:#c8a565;--gold-d:#76592f;--mute:#8f95bd;
  --line:rgba(241,235,221,.16);
  --serif:"Shippori Mincho","Hiragino Mincho ProN",serif;
  --sans:"Zen Kaku Gothic New","Hiragino Sans","Yu Gothic",sans-serif;
  --en:"Cormorant Garamond",serif;
  --gutter:clamp(20px,8.3vw,120px);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--navy);color:var(--cream);font-family:var(--sans);line-height:1.8;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.skip{position:absolute;left:-999px;top:8px;background:var(--gold);color:var(--navy);padding:8px 16px;z-index:100}
.skip:focus{left:8px}

/* header */
.hd{position:fixed;top:0;left:0;right:0;z-index:50;height:84px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(20px,4.5vw,64px);transition:height .3s}
.hd::before{content:"";position:absolute;inset:0;z-index:-1;transition:background .3s,border-color .3s;border-bottom:1px solid transparent}
.hd.on{height:68px}
.hd.on::before,.sub .hd::before{background:rgba(14,19,34,.92);backdrop-filter:blur(10px);border-bottom-color:var(--line)}
.logo{display:flex;align-items:center;gap:14px;font-family:var(--serif);font-size:clamp(15px,1.4vw,20px);letter-spacing:.06em;line-height:1.3}
.logo small{display:block;font-family:var(--en);font-size:13px;color:var(--gold);letter-spacing:.2em}
.nav{display:flex;gap:clamp(18px,2.6vw,40px);align-items:center;font-size:14px;letter-spacing:.14em}
.nav a{opacity:.82;transition:opacity .2s}.nav a:hover{opacity:1}
.nav .cta{border:1px solid var(--gold);color:var(--gold);padding:10px 26px;opacity:1;transition:background .2s,color .2s}
.nav .cta:hover{background:var(--gold);color:var(--navy)}
.burger{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer;position:relative}
.burger span{position:absolute;left:10px;right:10px;height:1.5px;background:var(--cream);transition:.3s}
.burger span:nth-child(1){top:16px}.burger span:nth-child(2){top:27px}
.burger[aria-expanded=true] span:nth-child(1){top:21px;transform:rotate(45deg)}
.burger[aria-expanded=true] span:nth-child(2){top:21px;transform:rotate(-45deg)}

/* hero */
.hero{position:relative;min-height:max(760px,100svh);overflow:hidden;display:flex;align-items:center;background:radial-gradient(900px 600px at 78% 40%,rgba(200,165,101,.14),transparent 70%),linear-gradient(180deg,var(--navy-3),var(--navy))}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--line) 1px,transparent 1px) 0 0/120px 100%;opacity:.3}
.house{position:absolute;right:-100px;top:12%;width:min(52vw,760px);opacity:.55}
.house path,.house rect{stroke-dasharray:2400;stroke-dashoffset:2400;animation:draw 3.2s .2s cubic-bezier(.4,0,.2,1) forwards}
@keyframes draw{to{stroke-dashoffset:0}}
.hero-in{position:relative;padding:120px var(--gutter) 90px;max-width:1200px}
.eyebrow{font-family:var(--en);font-size:clamp(13px,1.2vw,17px);letter-spacing:.42em;color:var(--gold);display:flex;align-items:center;gap:20px}
.eyebrow:before{content:"";width:64px;height:1px;background:var(--gold)}
h1{font-family:var(--serif);font-weight:500;font-size:clamp(36px,5.3vw,76px);line-height:1.36;letter-spacing:.03em;margin:28px 0 30px}
.nb{display:inline-block}
h1 em{font-style:normal;color:var(--gold)}
.lead{font-size:clamp(15px,1.3vw,18px);color:rgba(241,235,221,.78);letter-spacing:.08em;line-height:2.1}
.btns{display:flex;gap:20px;margin-top:44px;flex-wrap:wrap}
.btn{display:inline-block;padding:18px 44px;font-size:15px;letter-spacing:.2em;transition:.25s}
.btn.p{background:var(--gold);color:var(--navy);font-weight:700}.btn.p:hover{background:#d8b678}
.btn.s{border:1px solid rgba(241,235,221,.4)}.btn.s:hover{border-color:var(--gold);color:var(--gold)}
.scroll{position:absolute;left:var(--gutter);bottom:28px;font-family:var(--en);letter-spacing:.4em;font-size:13px;color:var(--mute);display:flex;align-items:center;gap:16px}
.scroll:after{content:"";width:72px;height:1px;background:var(--mute)}
.lic{position:absolute;right:clamp(20px,4.5vw,64px);bottom:28px;font-size:12px;color:var(--mute);letter-spacing:.14em}

/* facts */
.facts{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:0 var(--gutter)}
.fact{padding:44px 0 40px 32px;border-left:1px solid var(--line)}
.fact:first-child{border-left:0;padding-left:0}
.k{font-family:var(--en);letter-spacing:.3em;font-size:13px;color:var(--gold)}
.fact .v{font-family:var(--serif);font-size:clamp(20px,2vw,28px);margin-top:6px;line-height:1.5}
.fact .v small{display:block;font-size:13px;color:var(--mute);letter-spacing:.1em;font-family:var(--sans)}

/* section label */
.sec-k{font-family:var(--en);letter-spacing:.4em;font-size:15px;color:var(--gold)}
.sec-k b{display:block;font-family:var(--serif);font-weight:500;font-size:15px;letter-spacing:.2em;color:var(--mute);margin-top:6px}

/* mission */
.mission{padding:clamp(80px,10vw,150px) var(--gutter) clamp(70px,9vw,130px);display:grid;grid-template-columns:300px 1fr;gap:80px}
h2{font-family:var(--serif);font-weight:500;letter-spacing:.05em}
.mission h2{font-size:clamp(26px,3.5vw,50px);line-height:1.6}
.mission p{margin-top:36px;max-width:760px;font-size:17px;color:rgba(241,235,221,.76);line-height:2.2;letter-spacing:.05em}

/* services */
.svc{background:var(--cream);color:var(--navy);padding:clamp(80px,9vw,130px) var(--gutter) clamp(80px,10vw,140px)}
.svc .sec-k,.svc .sec-k b{color:var(--gold-d)}
.svc-h{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:70px}
.svc h2{font-size:clamp(26px,3.1vw,44px);line-height:1.55;margin-top:18px}
.svc-h p{max-width:420px;font-size:15px;color:#4d4a52;letter-spacing:.05em}
.cards{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid rgba(20,26,46,.22);border-left:1px solid rgba(20,26,46,.22);list-style:none}
.cards li{display:flex}
.card{flex:1;position:relative;display:block;padding:40px 36px 84px;min-height:380px;border-right:1px solid rgba(20,26,46,.22);border-bottom:1px solid rgba(20,26,46,.22);transition:background .3s,color .3s}
.card .n{font-family:var(--en);font-size:46px;color:var(--gold-d);line-height:1}
.card h3{font-family:var(--serif);font-weight:700;font-size:23px;line-height:1.5;min-height:70px;margin:22px 0 6px;letter-spacing:.05em}
.card .e{font-family:var(--en);font-size:14px;letter-spacing:.24em;color:var(--gold-d)}
.card p{margin-top:16px;font-size:14.5px;color:#4d4a52;line-height:1.95;letter-spacing:.04em}
.card .go{position:absolute;right:30px;bottom:28px;font-family:var(--en);letter-spacing:.3em;font-size:13px}
.card:hover{background:var(--navy);color:var(--cream)}
.card:hover .n,.card:hover .e,.card:hover .go{color:var(--gold)}
.card:hover p{color:rgba(241,235,221,.78)}
.card.feat{background:var(--navy);color:var(--cream)}
.card.feat .n,.card.feat .e,.card.feat .go{color:var(--gold)}
.card.feat p{color:rgba(241,235,221,.78)}
.card.feat:before{content:"MAIN";position:absolute;right:28px;top:34px;font-family:var(--en);font-size:12px;letter-spacing:.3em;color:var(--navy);background:var(--gold);padding:3px 12px}

/* message */
.msg{padding:clamp(80px,10vw,140px) var(--gutter);display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,7vw,100px);align-items:center}
.portrait{height:clamp(320px,36vw,520px);border:1px solid var(--line);background:linear-gradient(135deg,var(--navy-2),var(--navy-3));display:flex;align-items:flex-end;padding:28px}
.portrait{padding:0;overflow:hidden}
.portrait img{width:100%;height:100%;object-fit:cover;object-position:40% 20%;display:block}
.msg p+p{margin-top:1.2em}
.msg h2{font-size:clamp(24px,2.5vw,36px);line-height:1.6;margin:22px 0 28px}
.msg p{font-size:16px;color:rgba(241,235,221,.76);line-height:2.2;letter-spacing:.05em}
.sign{margin-top:36px;font-family:var(--serif);font-size:22px;letter-spacing:.2em}
.sign small{display:block;font-family:var(--en);font-size:14px;letter-spacing:.3em;color:var(--mute);margin-top:4px}

/* cta + footer */
.ctab{margin:0 var(--gutter) clamp(60px,8vw,110px);border:1px solid var(--gold);padding:clamp(40px,6vw,80px);display:flex;justify-content:space-between;align-items:center;gap:32px;background:linear-gradient(90deg,rgba(200,165,101,.1),transparent)}
.ctab h2{font-size:clamp(22px,2.6vw,38px);line-height:1.6}
.ctab p{color:rgba(241,235,221,.7);margin-top:10px;font-size:15px}
.ft{border-top:1px solid var(--line);padding:50px var(--gutter) 60px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:13px;color:var(--mute);letter-spacing:.1em}

/* reveal */
.rv{transition:opacity .9s,transform .9s cubic-bezier(.2,.7,.2,1)}
.js .rv{opacity:0;transform:translateY(28px)}
.js .rv.in{opacity:1;transform:none}

@media (max-width:960px){
  .burger{display:block}
  .nav{position:fixed;inset:0 0 0 auto;width:min(80vw,340px);flex-direction:column;align-items:flex-start;justify-content:center;gap:28px;padding:40px;background:var(--navy-3);border-left:1px solid var(--line);transform:translateX(100%);visibility:hidden;z-index:1;transition:transform .35s,visibility .35s;font-size:16px}
  .nav.open{transform:none;visibility:visible}
  .burger{z-index:2}
  body.lock{overflow:hidden}
  .house{width:90vw;top:auto;bottom:6%;opacity:.3}
  .facts{grid-template-columns:1fr 1fr}
  .fact:nth-child(odd){border-left:0;padding-left:0}
  .fact:nth-child(n+3){border-top:1px solid var(--line)}
  .mission{grid-template-columns:1fr;gap:28px}
  .svc-h{flex-direction:column;align-items:flex-start}
  .cards{grid-template-columns:1fr 1fr}
  .msg{grid-template-columns:1fr}
  .ctab{flex-direction:column;align-items:flex-start}
}
@media (max-width:600px){
  .eyebrow{letter-spacing:.22em}.eyebrow:before{width:32px}
  .mission h2,.svc h2,.msg h2,.ctab h2{font-size:22px}
  h1{font-size:34px}
  .cards{grid-template-columns:1fr}
  .card{min-height:0}
  .scroll,.lic{display:none}
  .hero-in{padding-top:110px}
  .btn{width:100%;text-align:center}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .rv{opacity:1;transform:none;transition:none}
  .house path,.house rect{animation:none;stroke-dashoffset:0}
}

/* ---- sub page: kasuhara ---- */
.sub .hd{height:68px}
.phero{position:relative;padding:clamp(130px,14vw,190px) var(--gutter) clamp(70px,8vw,110px);overflow:hidden;background:radial-gradient(800px 500px at 82% 30%,rgba(200,165,101,.16),transparent 70%),linear-gradient(180deg,var(--navy-3),var(--navy))}
.crumb{font-size:12px;letter-spacing:.14em;color:var(--mute);margin-bottom:28px}
.crumb a:hover{color:var(--gold)}
.phero h1{font-size:clamp(30px,4.4vw,62px);margin:26px 0 28px}
.phero .lead{max-width:720px}
.badge-row{display:flex;gap:16px;flex-wrap:wrap;margin-top:40px}
.amount{display:inline-flex;align-items:baseline;gap:10px;border:1px solid var(--gold);padding:14px 28px;background:rgba(200,165,101,.08)}
.amount b{font-family:var(--serif);font-size:clamp(34px,4vw,52px);color:var(--gold);font-weight:500;line-height:1}
.amount span{font-size:14px;letter-spacing:.1em}
.entry{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:0 var(--gutter);padding:26px 0;display:flex;gap:clamp(20px,4vw,60px);flex-wrap:wrap;align-items:center;justify-content:space-between}
.entry p{font-size:15px;letter-spacing:.06em;color:rgba(241,235,221,.84)}
.entry p:last-child{flex-basis:100%;margin-top:-12px}
.entry b{color:var(--gold);font-family:var(--serif);font-weight:500;font-size:20px;letter-spacing:.06em}
.blk{padding:clamp(80px,9vw,130px) var(--gutter)}
.blk h2{font-size:clamp(26px,3.2vw,44px);line-height:1.55;margin:18px 0 0}
.blk .intro{max-width:760px;margin-top:28px;font-size:16px;line-height:2.2;color:rgba(241,235,221,.76);letter-spacing:.05em}
.worry{display:grid;grid-template-columns:repeat(2,1fr);gap:0;margin-top:56px;border-top:1px solid var(--line);border-left:1px solid var(--line);list-style:none}
.worry li{padding:34px 34px 34px 72px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);position:relative;font-size:16px;line-height:1.9;letter-spacing:.04em}
.worry li:before{content:"";position:absolute;left:34px;top:42px;width:20px;height:1px;background:var(--gold)}
.light{background:var(--cream);color:var(--navy)}
.light .sec-k,.light .sec-k b{color:var(--gold-d)}
.light .intro{color:#4d4a52}
.facts2{display:grid;grid-template-columns:repeat(3,1fr);margin-top:56px;border-top:1px solid rgba(20,26,46,.22);border-left:1px solid rgba(20,26,46,.22)}
.facts2>div{padding:34px 32px;border-right:1px solid rgba(20,26,46,.22);border-bottom:1px solid rgba(20,26,46,.22)}
.facts2 .k{color:var(--gold-d)}
.facts2 .t{font-family:var(--serif);font-weight:700;font-size:22px;margin:10px 0 8px;line-height:1.5}
.facts2 p{font-size:14.5px;color:#4d4a52;line-height:1.95}
.note{margin-top:22px;font-size:13px;color:#6b6760;line-height:1.9}
.supports{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:56px;list-style:none}
.supports li{border:1px solid var(--line);padding:38px 32px 40px;background:linear-gradient(180deg,rgba(27,35,64,.7),rgba(20,26,46,.2))}
.supports .n{font-family:var(--en);font-size:40px;color:var(--gold);line-height:1}
.supports h3{font-family:var(--serif);font-weight:700;font-size:22px;line-height:1.5;margin:18px 0 12px}
.supports p{font-size:14.5px;line-height:2;color:rgba(241,235,221,.76)}
.steps{list-style:none;margin-top:56px;counter-reset:s;border-top:1px solid rgba(20,26,46,.22)}
.steps li{counter-increment:s;display:grid;grid-template-columns:90px 340px 1fr;gap:24px;padding:28px 0;border-bottom:1px solid rgba(20,26,46,.22);align-items:baseline}
.steps li:before{content:"STEP " counter(s,decimal-leading-zero);font-family:var(--en);letter-spacing:.2em;font-size:15px;color:var(--gold-d)}
.steps b{font-family:var(--serif);font-size:20px}
.steps span{font-size:14.5px;color:#4d4a52;line-height:1.9}
.faq{margin-top:48px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:26px 0}
.faq summary{cursor:pointer;font-family:var(--serif);font-size:19px;letter-spacing:.04em;list-style:none;display:flex;justify-content:space-between;gap:20px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";color:var(--gold);font-family:var(--en);font-size:26px;line-height:1}
.faq details[open] summary:after{content:"−"}
.faq p{margin-top:16px;font-size:15px;line-height:2.1;color:rgba(241,235,221,.76);max-width:820px}
.disc{padding:0 var(--gutter) 70px;font-size:12.5px;line-height:2;color:var(--mute);letter-spacing:.04em}
.disc a{color:var(--gold);text-decoration:underline;text-underline-offset:3px}
@media (max-width:960px){
  .worry,.facts2,.supports{grid-template-columns:1fr}
  .steps li{grid-template-columns:1fr;gap:6px}
}
.co{max-width:900px;border-top:1px solid var(--line)}
.co .row{display:grid;grid-template-columns:200px 1fr;gap:24px;padding:26px 0;border-bottom:1px solid var(--line);font-size:16px;line-height:2}
.co dt{font-family:var(--en);letter-spacing:.2em;color:var(--gold);font-size:15px}
.co dt:lang(ja){font-family:var(--serif)}
.co dd{color:rgba(241,235,221,.88);letter-spacing:.04em}
@media (max-width:600px){.co .row{grid-template-columns:1fr;gap:4px}}
.phero+.blk{padding-top:clamp(30px,4vw,60px)}
@media (max-width:600px){
  .phero h1{font-size:27px}
  .ctab .btn{width:100%;padding:18px 16px;text-align:center;white-space:nowrap}
}
h1,h2,h3{text-wrap:balance}
@media (max-width:600px){.phero h1 br{display:none}}

.ft address{font-style:normal}
.disc.flush{padding-top:0}
.entry-note{color:var(--mute);font-size:13px}

.policy{max-width:920px;padding-top:clamp(30px,4vw,60px)}
.policy h2{font-size:clamp(18px,1.8vw,22px);margin:56px 0 14px;color:var(--gold)}
.policy h2:first-child{margin-top:0}
.policy p{font-size:15.5px;line-height:2.1;color:rgba(241,235,221,.82);letter-spacing:.04em}
.policy ul{margin:8px 0 8px 1.4em}
.policy li{margin:2px 0}
.ft a{color:var(--cream);opacity:.85;text-decoration:underline;text-underline-offset:3px}
.ft a:hover{color:var(--gold);opacity:1}
.priv-note{margin-top:14px!important;font-size:12.5px!important;color:var(--mute)!important}
.priv-note a{color:var(--gold);text-decoration:underline;text-underline-offset:3px}

html{scroll-padding-top:90px}
h1,h2,h3{word-break:auto-phrase}
.nw{white-space:nowrap}
.amount b{white-space:nowrap}
.svc :focus-visible,.light :focus-visible{outline-color:var(--navy)}
.crumb a{display:inline-block;padding:13px 4px}
.faq summary{padding:6px 0;min-height:44px;align-items:center}
@media (max-width:960px){.nav a{padding:10px 0}}
@media (max-width:600px){.card h3{min-height:0}}
.co dd a{text-decoration:underline;text-underline-offset:3px}.co dd a:hover{color:var(--gold)}