:root{
  --navy:#0B1A30;--navy-2:#0F2240;--navy-3:#1E3252;--navy-line:#2A4166;--navy-mute:#4A6088;
  --silver:#C0C7D2;--silver-hi:#E3E8EF;
  --ink:#0B1A30;--ink-2:#4F5B6E;--steel:#3A5078;
  --paper:#F5F7FA;--paper-2:#E6EAF0;--line:#CCD3DE;--line-2:#BAC3D1;
  --on-navy:#F5F7FA;--on-navy-2:#C3CCDA;--on-navy-3:#9AA7BC;
  --serif:"Shippori Mincho B1","Hiragino Mincho ProN","Yu Mincho",serif;
  --en:"Cormorant Garamond","Times New Roman",serif;
  --sans:"Zen Kaku Gothic New","Hiragino Sans","Yu Gothic",sans-serif;
  --gutter:clamp(20px,5.5vw,80px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;line-height:1.8}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,p{margin:0}
.min{font-family:var(--serif);font-weight:500}
.en{font-family:var(--en)}
.wrap{max-width:1440px;margin:0 auto;padding:0 var(--gutter)}
.sec{padding:clamp(80px,10vw,140px) 0}
.dark{background:var(--navy);color:var(--on-navy)}
.tint{background:var(--paper-2)}
.eyebrow{font-family:var(--en);font-size:clamp(14px,1.2vw,16px);letter-spacing:.24em;color:var(--steel)}
.dark .eyebrow{color:var(--silver)}
.h2{font-family:var(--serif);font-weight:500;font-size:clamp(28px,3.1vw,44px);line-height:1.6;margin-top:16px}
.lead{font-size:15px;line-height:2;color:var(--ink-2)}
.dark .lead{color:var(--on-navy-2)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:60px;padding:0 40px;font-size:15px;font-weight:700;letter-spacing:.14em;transition:background .2s,color .2s}
.btn-primary{background:var(--silver);color:var(--navy)}
.btn-primary:hover{background:var(--silver-hi)}
.btn-ghost{border:1px solid var(--navy-mute);color:var(--on-navy)}
.btn-ghost:hover{border-color:var(--silver)}
.btn img{width:28px;height:28px}
:focus-visible{outline:2px solid var(--silver);outline-offset:3px}

/* header */
.header{position:sticky;top:0;z-index:20;background:rgba(11,26,48,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--navy-3);color:var(--on-navy)}
.header .wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;align-items:baseline;gap:12px}
.logo b{font-family:var(--en);font-weight:500;font-size:26px;letter-spacing:.2em}
.logo span{font-size:13px;letter-spacing:.2em;color:var(--on-navy-3)}
.nav{display:flex;align-items:center;gap:32px;font-size:13px;letter-spacing:.12em}
.nav a:not(.btn){color:#D6DCE6}
.nav a:not(.btn):hover{color:#fff}
.nav .btn{min-height:46px;padding:0 22px;font-size:13px}
@media (max-width:960px){.nav a:not(.btn){display:none}}
@media (max-width:480px){.logo b{font-size:21px;letter-spacing:.14em}.logo span{font-size:11px;letter-spacing:.1em}.logo{gap:6px}.nav .btn{padding:0 14px;letter-spacing:.06em}}

/* hero */
.hero{position:relative;overflow:hidden;background:var(--navy);color:var(--on-navy);min-height:min(900px,92vh);display:flex;align-items:center}
.hero-img{position:absolute;top:0;bottom:0;left:0;width:112%;height:100%;max-width:none;object-fit:cover;object-position:40% 60%}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,26,48,.9) 0%,rgba(11,26,48,.6) 34%,rgba(11,26,48,0) 60%)}
.hero .wrap{position:relative;z-index:1;width:100%;padding-top:96px;padding-bottom:96px}
.hero-tag{display:inline-block;font-size:14px;letter-spacing:.16em;padding:8px 16px;border:1px solid var(--silver);color:var(--silver)}
.hero h1{font-family:var(--serif);font-weight:500;font-size:clamp(29px,5vw,72px);line-height:1.45;letter-spacing:.04em;margin:32px 0 28px}
.hero p{font-size:clamp(14px,1.2vw,17px);line-height:2.1;color:var(--on-navy-2);max-width:560px}
.hero-ctas{display:flex;flex-wrap:wrap;gap:16px;margin-top:36px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--navy-line);border:1px solid var(--navy-line);max-width:960px;margin-top:64px}
.stat{background:rgba(15,34,64,.92);padding:24px 28px}
.stat small{display:block;font-size:13px;letter-spacing:.12em;color:var(--on-navy-3)}
.stat strong{font-family:var(--en);font-weight:400;font-size:clamp(30px,3vw,44px);line-height:1.2;color:var(--silver)}
.stat strong span{font-family:var(--sans);font-size:15px;color:var(--on-navy)}
.stat .min{font-size:clamp(20px,2vw,28px);line-height:1.6}
@media (max-width:760px){
  .hero{display:block;min-height:0}
  .hero-img{position:relative;width:100%;height:340px;object-position:48% 60%;transform:none}
  .hero::after{top:0;bottom:auto;height:340px;background:linear-gradient(180deg,rgba(11,26,48,0) 50%,var(--navy) 100%)}
  .hero .wrap{padding-top:8px;padding-bottom:64px}
  .hero-ctas .btn{width:100%}
  .stats{grid-template-columns:1fr 1fr;margin-top:40px}
  .stat:last-child{grid-column:1/-1}
  .stat{padding:18px 16px}
}

/* layout helpers */
.split{display:grid;grid-template-columns:4fr 1fr 7fr;gap:0 24px}
.split>:last-child{grid-column:3}
@media (max-width:900px){.split{grid-template-columns:1fr;gap:32px}.split>:last-child{grid-column:auto}}
.rows>div{padding:30px 0;border-top:1px solid var(--line);display:flex;gap:32px;align-items:baseline}
.rows>div:last-child{border-bottom:1px solid var(--line)}
.rows .num{font-family:var(--en);font-size:26px;color:var(--steel);min-width:36px}
.rows h3{font-family:var(--serif);font-weight:500;font-size:clamp(18px,1.6vw,22px);line-height:1.6}
.rows p{font-size:15px;line-height:1.9;color:var(--ink-2);margin-top:6px}
.tint .rows>div{border-color:var(--line-2)}
@media (max-width:600px){.rows>div{gap:16px;padding:22px 0}}

/* philosophy */
.philo{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,96px);align-items:center}
.philo img{width:100%;aspect-ratio:4/3;object-fit:cover}
.philo .lead{margin-top:20px}
@media (max-width:900px){.philo{grid-template-columns:1fr}}

/* reasons */
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;flex-wrap:wrap;margin-bottom:clamp(48px,6vw,80px)}
.sec-head .lead{max-width:460px}
.reasons{display:grid;grid-template-columns:repeat(3,1fr);gap:64px 24px}
.reason{border-top:1px solid var(--silver);padding-top:36px}
.reason .en{font-size:clamp(52px,5vw,72px);line-height:1;color:var(--silver)}
.reason h3{font-family:var(--serif);font-weight:500;font-size:clamp(20px,1.8vw,26px);line-height:1.6;margin:20px 0 16px}
.reason p{font-size:15px;line-height:2;color:var(--on-navy-2)}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.tags span{font-size:13px;padding:5px 12px;border:1px solid var(--navy-mute);color:#D6DCE6}
@media (max-width:1000px){.reasons{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.reasons{grid-template-columns:1fr;gap:48px}}

/* benefits */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.card img{width:100%;aspect-ratio:4/3.4;object-fit:cover}
.badge{display:inline-block;font-size:12px;letter-spacing:.16em;padding:5px 12px;border:1px solid var(--steel);color:var(--steel);margin:24px 0 14px}
.card h3{font-family:var(--serif);font-weight:500;font-size:clamp(20px,1.8vw,26px);line-height:1.6}
.card p{font-size:15px;line-height:2;color:var(--ink-2);margin-top:12px}
.note{font-size:12px;color:var(--ink-2);margin-top:24px}
.text-link{font-size:14px;letter-spacing:.12em;border-bottom:1px solid currentColor;padding-bottom:6px}
@media (max-width:900px){.cards{grid-template-columns:1fr;gap:48px}}

/* criteria */
.criteria-img{width:100%;aspect-ratio:3/2;object-fit:cover;margin-top:32px}

/* flow */
.flow{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:24px}
.flow li{border-top:1px solid var(--navy-mute);padding-top:26px}
.flow .en{font-size:15px;letter-spacing:.2em;color:var(--silver)}
.flow h3{font-family:var(--serif);font-weight:500;font-size:21px;margin:12px 0 10px}
.flow p{font-size:14px;line-height:1.9;color:var(--on-navy-2)}
@media (max-width:1000px){.flow{grid-template-columns:1fr;gap:0}.flow li{display:grid;grid-template-columns:90px 1fr;padding:20px 0}.flow h3{margin:0 0 4px;font-size:18px}.flow li>div{grid-column:2}}

/* faq */
.faq details{border-top:1px solid var(--line)}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:24px;min-height:80px;padding:22px 0;font-family:var(--serif);font-weight:500;font-size:clamp(16px,1.5vw,20px)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--en);font-size:26px;color:var(--steel);flex-shrink:0}
.faq details[open] summary::after{content:"−"}
.faq details p{padding:0 0 26px;font-size:15px;line-height:1.9;color:var(--ink-2)}

/* contact */
.contact{text-align:center}
.contact .h2{font-size:clamp(28px,3.6vw,52px)}
.contact .lead{margin-top:20px}
.contact .btn{min-height:76px;padding:0 64px;font-size:17px;margin-top:40px}
.contact small{display:block;margin-top:16px;font-size:13px;color:var(--on-navy-3)}
@media (max-width:600px){.contact .btn{width:100%;padding:0 20px;min-height:64px;font-size:15px}}

/* footer */
.footer{background:var(--navy);color:var(--on-navy-3);border-top:1px solid var(--navy-3);padding:56px 0;font-size:13px}
.footer .wrap{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap}
.footer b{display:block;font-family:var(--en);font-weight:500;font-size:24px;letter-spacing:.2em;color:var(--on-navy);margin-bottom:8px}

/* mobile fixed CTA */
.fixed-cta{display:none}
@media (max-width:760px){
  .fixed-cta{display:flex;position:fixed;left:12px;right:12px;bottom:12px;z-index:30;min-height:56px;box-shadow:0 8px 24px rgba(0,0,0,.35)}
  body{padding-bottom:80px}
}

/* guide cards */
.guide-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.guide-card{display:block;background:#fff;border:1px solid var(--line);padding:32px 30px;transition:border-color .2s}
.guide-card:hover{border-color:var(--steel)}
.guide-card .en{font-size:13px;letter-spacing:.24em;color:var(--steel)}
.guide-card h3{font-family:var(--serif);font-weight:500;font-size:20px;line-height:1.6;margin:10px 0 12px}
.guide-card p{font-size:14px;line-height:1.9;color:var(--ink-2)}
@media (max-width:900px){.guide-list{grid-template-columns:1fr}}
.foot-nav{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:14px}
.foot-nav a{color:var(--on-navy-2)}
.foot-nav a:hover{color:#fff}

/* article */
.crumb{font-size:13px;color:var(--ink-2);padding-top:28px}
.crumb a{color:var(--steel)}
.article-hero{background:var(--navy);color:var(--on-navy);padding:clamp(56px,8vw,96px) 0}
.article-hero .eyebrow{color:var(--silver)}
.article-hero h1{font-family:var(--serif);font-weight:500;font-size:clamp(26px,3.4vw,44px);line-height:1.6;margin:14px 0 18px;max-width:900px}
.article-hero p{color:var(--on-navy-2);font-size:15px;line-height:2;max-width:760px}
.article{max-width:820px;margin:0 auto;padding:clamp(48px,6vw,80px) var(--gutter)}
.article h2{font-family:var(--serif);font-weight:500;font-size:clamp(22px,2.4vw,30px);line-height:1.6;margin:64px 0 20px;padding-top:24px;border-top:1px solid var(--line)}
.article h2:first-of-type{margin-top:24px}
.article h3{font-family:var(--serif);font-weight:500;font-size:20px;margin:36px 0 10px}
.article p,.article li{font-size:16px;line-height:2.05;color:#24304A}
.article p{margin:0 0 18px}
.article ul{padding-left:1.3em;margin:0 0 18px}
.article .toc{background:var(--paper-2);padding:24px 28px;margin:8px 0 32px}
.article .toc b{font-family:var(--serif);font-weight:500}
.article .toc ol{margin:10px 0 0;padding-left:1.4em}
.article .toc a{color:var(--steel)}
.article table{width:100%;border-collapse:collapse;margin:8px 0 24px;font-size:15px}
.article th,.article td{border:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top;line-height:1.8}
.article th{background:var(--paper-2);font-weight:500;white-space:nowrap}
.table-wrap{overflow-x:auto}
.cta-box{background:var(--navy);color:var(--on-navy);padding:40px 32px;text-align:center;margin:48px 0}
.cta-box p{color:var(--on-navy-2)!important;margin:0 0 22px!important}
.cta-box strong{display:block;font-family:var(--serif);font-weight:500;font-size:22px;color:#fff;margin-bottom:10px}
.cta-box .btn{width:100%;max-width:420px}
.note-s{font-size:13px!important;color:var(--ink-2)!important}
.related{margin-top:56px}
.related a{display:block;padding:16px 0;border-top:1px solid var(--line);color:var(--steel);font-family:var(--serif)}
.article-fig{margin:0 0 36px}
.article-fig img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article-fig figcaption{font-size:12px;color:var(--ink-2);margin-top:8px}