:root{color-scheme:light;--bg: #f0f0ee;--surface: #ffffff;--ink: #111318;--muted: #6b6b6b;--line: #d8d8d4;--navy: #0d1b2e;--blue: #1a4c8b;--blue-soft: #6fa0dc;font-family:Shippori Mincho,Noto Sans JP,serif}*{box-sizing:border-box}[hidden]{display:none!important}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;display:flex;flex-direction:column;background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased}.site-main{flex:1;display:flex;flex-direction:column}a{color:inherit;text-decoration:none}.container{width:min(1240px,calc(100% - 80px));margin:0 auto}.site-header{position:sticky;top:0;z-index:20;background:var(--surface);border-bottom:1px solid var(--line)}.header-inner{height:64px;display:flex;align-items:center;justify-content:space-between}.brand{font-family:Shippori Mincho,serif;font-size:30px;font-weight:700;letter-spacing:.04em;color:var(--ink)}.site-nav{display:flex;gap:34px;font-size:14px;font-weight:500;letter-spacing:.04em}.nav-link{padding-bottom:4px;border-bottom:1px solid transparent}.nav-link:hover,.nav-link.is-active{color:var(--blue);border-bottom-color:var(--blue)}.menu-button{display:none;width:40px;height:40px;padding:8px;border:0;background:transparent;cursor:pointer}.menu-button span{display:block;height:2px;margin:5px 0;background:var(--ink);transition:transform .25s,opacity .2s}.menu-button.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}.menu-button.is-open span:nth-child(2){opacity:0}.menu-button.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.mobile-nav{display:none;position:fixed;inset:64px 0 auto;z-index:15;background:var(--surface);border-bottom:1px solid var(--line)}.mobile-nav.is-open{display:block}.mobile-link{display:block;padding:18px 20px;border-top:1px solid var(--line);color:var(--muted);font-weight:700}.mobile-link.is-active{color:var(--blue)}.hero{position:relative;min-height:calc(100vh - 64px);display:flex;align-items:center;overflow:hidden;background:var(--navy);color:#fff}.hero-rings{position:absolute;right:-120px;top:50%;width:min(680px,70vw);transform:translateY(-50%);pointer-events:none}.hero-inner{position:relative;padding-block:clamp(120px,16vh,180px)}.hero-title{max-width:1120px;margin:0 0 32px;font-family:Shippori Mincho,serif;font-size:clamp(40px,5.8vw,72px);font-weight:700;line-height:1.18}.hero-title-line{display:block;white-space:nowrap}.hero-text{max-width:640px;margin:0 0 48px;color:#c7d0de;font-size:clamp(17px,2.1vw,21px);line-height:1.9}.hero-links{display:flex;flex-wrap:wrap;gap:36px}.text-link{display:inline-flex;align-items:center;gap:12px;padding-bottom:6px;border-bottom:1px solid rgba(111,160,220,.4);color:var(--blue-soft);font-size:15px;font-weight:500}.text-link:hover{color:#9cc0ec;border-bottom-color:#9cc0ec}.section,.page-section{padding:clamp(90px,13vh,150px) 0}.section-white{background:var(--surface)}.label{margin:0 0 28px;color:var(--muted);font-size:13px;font-weight:700;line-height:1;letter-spacing:.28em}h1,h2{margin:0;font-family:Shippori Mincho,serif;font-weight:700;line-height:1.3}h1{font-size:clamp(32px,5vw,56px)}h2{font-size:clamp(28px,4vw,46px)}.split-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:64px}.split-head>div{max-width:720px}.split-head p:not(.label),.service-card p{max-width:420px;color:var(--muted);font-size:15px;line-height:2}.section-lead{max-width:none;margin:28px 0 0;color:var(--ink);font-size:20px;font-weight:700;line-height:2;white-space:nowrap}.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.service-card{min-height:220px;padding:28px 32px;display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);transition:box-shadow .25s,transform .25s}.service-card:hover{box-shadow:0 18px 44px #0d1b2e1a;transform:translateY(-4px)}.service-num{margin-bottom:20px;color:var(--blue);font-family:Shippori Mincho,serif;font-size:27px;font-weight:600}.service-en{margin-bottom:8px;color:var(--muted);font-size:12px;font-weight:500;letter-spacing:.16em}.service-card h2{margin-bottom:14px;font-size:19px}.service-card p{margin-top:0;font-size:14px;line-height:1.9}.page-grid{display:grid;grid-template-columns:minmax(260px,1fr) minmax(320px,2fr);gap:clamp(48px,7vw,96px);align-items:start}.definition-row{display:grid;grid-template-columns:160px 1fr;gap:32px;padding:16px 0;border-bottom:1px solid var(--line)}.definition-label{color:var(--muted);font-size:14px;font-weight:500}.definition-value{font-size:15px;line-height:1.7}.contact-layout{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:48px}.home-about-section,.home-contact-section{border-top:1px solid var(--line)}.outline-button{display:inline-flex;align-items:center;gap:14px;padding:22px 40px;border:1px solid var(--ink);color:var(--ink);font-size:15px;font-weight:500;letter-spacing:.03em}.outline-button:hover{background:var(--ink);color:#fff}.site-footer{background:var(--bg);border-top:1px solid var(--line)}.footer-inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:clamp(18px,2vw,32px)}.footer-policy-layout{width:min(100% - 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40px,1240px)}.site-nav{display:none}.menu-button{display:block}.hero{min-height:auto}.hero-rings{right:-220px;width:560px;opacity:.75}.hero-inner{padding-block:110px 90px}.hero-title-line{white-space:normal}.card-grid,.page-grid{grid-template-columns:1fr}.section-lead,.services-page .section-lead{font-size:17px}.section-lead{white-space:normal}.definition-row{grid-template-columns:1fr;gap:8px}.footer-inner{display:flex;padding-block:24px;flex-direction:column;text-align:center}.footer-policy-layout{width:min(100% - 40px,1240px)}.footer-policy-links{justify-content:center;gap:10px 18px;font-size:12px}.footer-copy{margin-left:0;font-size:12px;white-space:normal}}@media(max-width:640px){.form-grid{grid-template-columns:1fr}.contact-form{padding:28px 20px}}