:root{--navy:#0b1d33;--navy2:#123052;--ink:#10233a;--text:#33414f;--muted:#66748a;--line:#dde3ea;--blue:#0073b4;--sky:#29b6f2;--tint:#f3f6f9}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--text);font-family:"Noto Sans JP","Hiragino Sans","Yu Gothic",Meiryo,sans-serif;font-size:16px;line-height:2;letter-spacing:.04em;font-weight:400}
a{color:var(--blue)}
a:focus-visible,summary:focus-visible{outline:2px solid var(--sky);outline-offset:3px}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:1120px;margin:0 auto;padding:0 40px}
.skip{position:absolute;left:-999px}
.skip:focus{left:16px;top:16px;background:#fff;padding:8px 12px;z-index:30}
h1,h2,h3{color:var(--ink);font-family:"Shippori Mincho","Hiragino Mincho ProN","Yu Mincho",serif;font-weight:600;line-height:1.5;letter-spacing:.06em;margin:0}
p{margin:0 0 1em}
/* header */
header.site{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px;max-width:1240px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-family:"Shippori Mincho","Hiragino Mincho ProN",serif;font-weight:600;font-size:23px;letter-spacing:.02em;line-height:1;white-space:nowrap}
.logo img{width:46px}
.nav-pc ul{display:flex;gap:30px;list-style:none;margin:0;padding:0}
.nav-pc a{color:var(--ink);text-decoration:none;font-size:13.5px;font-weight:500;padding:6px 0;display:block;position:relative}
.nav-pc a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--blue);transform:scaleX(0);transform-origin:left;transition:transform .2s}
.nav-pc a:hover::after,.nav-pc a[aria-current=page]::after{transform:scaleX(1)}
.nav-sp{display:none}
/* hero */
.hero,.pagehead{position:relative;overflow:hidden;background:#0073b4 url(skyline.jpg) center bottom/auto 401px repeat-x;color:#fff}
.hero .wrap,.pagehead .wrap{position:relative;z-index:1}
.hero .wrap{padding-top:112px;padding-bottom:176px}
.eyebrow{font-family:"Shippori Mincho",serif;font-size:13px;letter-spacing:.28em;color:#fff;margin:0 0 24px}
.hero h1{color:#fff;font-size:clamp(34px,5.4vw,64px);line-height:1.4;margin:0 0 32px}
.hero .lead{max-width:34em;margin:0;color:#fff;font-size:16px}
.pagehead .wrap{padding-top:64px;padding-bottom:112px}
.pagehead .eyebrow{margin-bottom:10px}
.pagehead h1{color:#fff;font-size:clamp(28px,4vw,42px)}
/* facts */
.facts{background:#fff;border-bottom:1px solid var(--line)}
.facts dl{display:grid;grid-template-columns:repeat(3,1fr);margin:0}
.facts dl>div{padding:40px 32px}
.facts dl>div+div{border-left:1px solid var(--line)}
.facts dl>div:first-child{padding-left:0}
.facts dt{font-size:13px;color:var(--muted);margin-bottom:4px}
.facts dd{margin:0;font-family:"Shippori Mincho",serif;font-weight:600;color:var(--ink);font-size:20px;line-height:1.3}
.facts b{font-size:46px;font-weight:600;color:var(--blue);margin-right:4px;letter-spacing:.02em}
/* sections */
main section{padding:104px 0}
section.alt{background:var(--tint)}
.head{margin-bottom:56px}
.head .en{display:block;font-family:"Shippori Mincho",serif;font-size:13px;letter-spacing:.28em;color:var(--blue);margin-bottom:8px}
.head h2{font-size:clamp(26px,3.2vw,36px)}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:#fff;padding:40px 32px;border-top:3px solid var(--blue);box-shadow:0 14px 34px rgba(16,35,58,.08)}
.num{display:block;font-family:"Shippori Mincho",serif;font-size:44px;line-height:1;color:var(--sky);margin-bottom:24px}
.card h3{font-size:21px;margin-bottom:14px}
.card p{margin:0;font-size:14.5px}
.btn{display:inline-block;margin-top:48px;padding:14px 44px 14px 28px;background:var(--navy);color:#fff;text-decoration:none;font-size:14px;position:relative;transition:background .2s}
.btn::after{content:"→";position:absolute;right:20px}
.btn:hover{background:var(--blue)}
.split{display:grid;grid-template-columns:280px 1fr;gap:56px;align-items:start}
.split .head{margin:0}
table{width:100%;border-collapse:collapse;border-top:2px solid var(--ink)}
th,td{padding:20px 0;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;font-weight:400}
th{width:10em;padding-right:24px;color:var(--ink);font-weight:500;white-space:nowrap}
/* business rows */
.rows article{display:grid;grid-template-columns:140px 1fr;gap:24px;padding:56px 0;border-top:1px solid var(--line)}
.rows article:first-child{border-top:2px solid var(--ink)}
.rows .num{font-size:64px;margin:0}
.rows h2{font-size:28px;margin-bottom:16px}
.rows p{margin:0;max-width:42em}
/* message */
.message{max-width:46em}
.message .big{font-family:"Shippori Mincho",serif;font-weight:600;font-size:clamp(22px,3vw,30px);line-height:1.8;color:var(--ink);margin-bottom:40px}
.signature{margin-top:48px;padding-top:24px;border-top:1px solid var(--line);color:var(--ink)}
.signature strong{font-family:"Shippori Mincho",serif;font-size:22px;font-weight:600;display:block}
.readable{max-width:46em}
.readable h3{font-size:18px;margin:40px 0 8px}
ol.num-list{padding-left:1.4em;margin:0 0 8px}
.contact-mail{display:block;font-family:"Shippori Mincho",serif;font-weight:600;font-size:clamp(24px,5vw,44px);text-decoration:none;color:var(--ink);border-bottom:2px solid var(--blue);padding-bottom:12px;margin:32px 0 48px;word-break:break-all}
.contact-mail:hover{color:var(--blue)}
/* footer */
footer{background:var(--navy);color:#b9c6d4;padding:64px 0 32px;font-size:13.5px}
.foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:32px}
.foot strong{display:block;color:#fff;font-family:"Shippori Mincho",serif;font-size:18px;font-weight:600;margin-bottom:8px}
footer ul{display:grid;grid-template-columns:repeat(2,auto);gap:4px 40px;list-style:none;margin:0;padding:0}
footer a{color:#e6edf4;text-decoration:none}
footer a:hover{color:var(--sky)}
.copy{margin:48px 0 0;padding-top:24px;border-top:1px solid rgba(255,255,255,.14);font-size:12px}
@media (max-width:960px){
 .nav-pc{display:none}
 .nav-sp{display:block;position:static}
 .nav-sp summary{list-style:none;cursor:pointer;font-size:13px;font-weight:500;color:var(--ink);padding:8px 14px;border:1px solid var(--ink)}
 .nav-sp summary::-webkit-details-marker{display:none}
 .nav-sp ul{position:absolute;left:0;right:0;top:100%;background:#fff;list-style:none;margin:0;padding:8px 16px 16px;border-bottom:1px solid var(--line);box-shadow:0 14px 24px rgba(16,35,58,.12)}
 .nav-sp a{display:block;padding:12px 0;color:var(--ink);text-decoration:none;border-bottom:1px solid var(--line)}
 .nav-sp a[aria-current=page]{color:var(--blue);font-weight:500}
 .cards{grid-template-columns:1fr}
 .split{grid-template-columns:1fr;gap:32px}
}
@media (max-width:640px){
 .wrap{padding:0 16px}
 header.site .wrap{height:64px}
 .logo{font-size:19px;gap:8px}
 .logo img{width:38px}
 .hero .wrap{padding-top:64px;padding-bottom:120px}
 .pagehead .wrap{padding-top:40px;padding-bottom:96px}
 .facts dl>div{padding:22px 8px}
 .facts dl>div:first-child{padding-left:0}
 .facts dd{font-size:13px}
 .facts b{font-size:26px;margin-right:2px;display:inline-block}
 .facts dt{font-size:11.5px}
 main section{padding:64px 0}
 .head{margin-bottom:36px}
 .card{padding:32px 24px}
 .rows article{grid-template-columns:1fr;gap:12px;padding:40px 0}
 .rows .num{font-size:44px}
 .rows h2{font-size:23px}
 th,td{display:block;border:0;padding:0;width:auto;white-space:normal}
 tr{display:block;padding:14px 0;border-bottom:1px solid var(--line)}
 th{font-size:13px;color:var(--muted)}
 .btn{display:block;text-align:center;padding-left:44px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}