:root{
	--bg:#05070d;--bg2:#0a0e18;--paper:#f3f4f7;--ink:#0e1322;--muted:#5c6577;--line:#ffffff24;
	--blue:#3d8bff;--sky:#62b8ff;--violet:#8a63ff;--orange:#ff8a3d;--red:#ff5a33;
	--grad:linear-gradient(90deg,var(--blue),var(--violet) 50%,var(--orange));
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'DM Sans','Noto Sans JP',sans-serif;background:var(--bg);color:#f3f5fa;-webkit-font-smoothing:antialiased;line-height:1.7}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
::selection{background:var(--blue);color:#fff}
.skip{position:absolute;top:-80px;left:10px;z-index:100;background:#fff;color:#000;padding:12px}.skip:focus{top:10px}

/* Header */
.topbar{position:fixed;z-index:50;top:0;left:0;width:100%;display:flex;align-items:center;justify-content:space-between;padding:20px clamp(20px,5vw,80px);background:linear-gradient(#05070de6,#05070d00)}
.brand{display:flex;align-items:center;gap:14px;font-size:clamp(13px,1.2vw,16px);letter-spacing:.42em;font-weight:400;white-space:nowrap}
.brand svg{width:40px;height:20px;flex:none}
.nav{display:flex;gap:30px;align-items:center}
.nav a{font-size:11px;letter-spacing:.18em;color:#cfd5e2;transition:color .2s}
.nav a:hover,.nav a[aria-current=page]{color:#fff}
.nav a[aria-current=page]{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.menu{display:none;background:transparent;color:#fff;border:1px solid #ffffff55;padding:9px 13px;font:inherit;font-size:11px;letter-spacing:.15em;cursor:pointer}

/* Story (index hero) */
.story{position:relative;height:1100vh}
.story-sticky{position:sticky;top:0;height:100svh;overflow:hidden}
.story canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.story-sticky:after{content:'';position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse at center,transparent 55%,#05070dcc 100%)}
.story-intro,.story-outro,.step{position:absolute;z-index:2;transition:opacity .8s ease,transform .8s ease}
.story-intro{left:clamp(20px,8vw,130px);bottom:clamp(70px,13vh,140px);max-width:900px;text-shadow:0 2px 30px #000c}
.story-intro.off{opacity:0;transform:translateY(-20px);pointer-events:none}
.kicker{font-size:11px;letter-spacing:.3em;color:#b9c6e6}
.story-intro h1{font-size:clamp(38px,6.4vw,96px);line-height:1.3;letter-spacing:-.02em;margin:22px 0 24px;font-weight:700}
.story-intro h1 span span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.story-intro p{font-size:clamp(14px,1.3vw,18px);color:#d8deea;line-height:2.1;max-width:740px;margin:0}
.scroll-hint{position:absolute;z-index:2;right:clamp(20px,5vw,80px);bottom:36px;font-size:10px;letter-spacing:.25em;color:#9aa6c0}
.step{top:clamp(90px,15vh,150px);left:clamp(20px,8vw,130px);opacity:0;transform:translateY(16px)}
.step.on{opacity:1;transform:none}
.step b{display:block;font-size:12px;letter-spacing:.28em;font-weight:400;color:#c8d3ee}
.step b i{font-style:normal;margin-right:12px;color:#fff;font-weight:700}
.step p{margin:10px 0 0;font-size:clamp(17px,1.8vw,24px);letter-spacing:.08em}
.step:after{content:'';display:block;width:36px;height:1px;background:#ffffff70;margin-top:18px}
.story-outro{left:0;right:0;bottom:clamp(50px,9vh,100px);text-align:center;opacity:0;transform:translateY(16px);text-shadow:0 2px 24px #000}
.story-outro.on{opacity:1;transform:none}
.story-outro p{font-size:clamp(20px,2.6vw,36px);letter-spacing:.3em;margin:0 0 22px;font-weight:400}
.story-outro .brand{justify-content:center;font-size:clamp(13px,1.3vw,18px)}
.story-progress{position:absolute;z-index:2;left:clamp(20px,8vw,130px);right:clamp(20px,8vw,130px);bottom:20px;height:1px;background:#ffffff1c}
.story-progress span{display:block;height:100%;background:var(--grad);transform-origin:left;transform:scaleX(0)}
.reduced .story{height:100svh}.reduced .step,.reduced .story-progress,.reduced .scroll-hint{display:none}

/* Sections */
.wrap{width:min(1240px,calc(100% - 2 * clamp(20px,7vw,110px)));margin:auto}
.section{padding:clamp(90px,11vw,160px) 0}
.paper{background:var(--paper);color:var(--ink)}
.eyebrow{font-size:11px;letter-spacing:.3em;font-weight:700;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;display:inline-block}
.section-heading{font-size:clamp(32px,4.6vw,66px);line-height:1.4;letter-spacing:-.02em;margin:22px 0 32px}
.section-desc{font-size:clamp(15px,1.4vw,18px);line-height:2.2;max-width:720px;color:var(--muted)}
.dark .section-desc,.section:not(.paper) .section-desc{color:#aeb8cc}
.statement-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:7vw;align-items:start}
.cols{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:64px}
.col{border-top:1px solid #c3c8d4;padding-top:22px}
.section:not(.paper) .col{border-color:#ffffff30}
.num{font-size:11px;letter-spacing:.2em;color:var(--blue)}
.num.warm{color:var(--orange)}
.col h3{font-size:22px;margin:16px 0 10px}
.col p{color:var(--muted);font-size:14px;line-height:2;margin:0}
.section:not(.paper) .col p{color:#aab4c8}
.services{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:#ffffff26;border:1px solid #ffffff26;margin-top:60px}
.service{background:var(--bg2);padding:clamp(26px,3.6vw,52px);min-height:240px;position:relative;overflow:hidden;transition:background .3s}
.service:before{content:'';position:absolute;left:0;top:0;height:2px;width:0;background:var(--grad);transition:width .5s}
.service:hover:before{width:100%}
.service h3{font-size:clamp(22px,2.4vw,32px);margin:22px 0 12px;letter-spacing:-.01em}
.service p{font-size:14px;line-height:2;color:#aab4c8;margin:0}

/* Profile */
.profile{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(30px,6vw,90px);align-items:center}
.portrait{aspect-ratio:4/5;background:radial-gradient(circle at 30% 30%,#3d8bff40,transparent 55%),radial-gradient(circle at 75% 75%,#ff8a3d40,transparent 55%),#dfe2ea;display:grid;place-items:center;color:#7a8294;font-size:12px;letter-spacing:.2em}
.profile h3{font-size:clamp(26px,3vw,40px);margin:14px 0 4px}
.profile .role{font-size:12px;letter-spacing:.2em;color:var(--muted)}
.profile p{line-height:2.2;color:#465065}

/* CTA */
.callout{background:radial-gradient(ellipse at 20% 50%,#3d8bff2e,transparent 50%),radial-gradient(ellipse at 85% 50%,#ff8a3d26,transparent 50%),var(--bg);text-align:left}
.callout h2{font-size:clamp(34px,5.4vw,78px);letter-spacing:-.02em;line-height:1.35;margin:22px 0}
.btn{display:inline-flex;align-items:center;justify-content:space-between;gap:28px;min-width:220px;padding:18px 26px;font-size:12px;font-weight:700;letter-spacing:.14em;color:#fff;background:var(--grad);transition:transform .2s,filter .2s}
.btn:hover{transform:translateY(-3px);filter:brightness(1.12)}
.text-link{font-size:12px;letter-spacing:.14em;border-bottom:1px solid #ffffff70;padding-bottom:8px}
.actions{display:flex;gap:30px;align-items:center;flex-wrap:wrap;margin-top:36px}

/* Sub pages */
.page-head{padding:190px 0 90px;background:radial-gradient(circle at 78% 30%,#3d8bff30,transparent 40%),radial-gradient(circle at 92% 70%,#ff8a3d22,transparent 35%),var(--bg)}
.page-head h1{font-size:clamp(46px,7vw,98px);letter-spacing:-.03em;margin:20px 0 14px;line-height:1.1}
.page-head p{color:#bcc6d8;max-width:700px;line-height:2}
.article{max-width:820px}
.article h2{font-size:clamp(26px,3.6vw,44px);letter-spacing:-.01em;line-height:1.5;margin:48px 0 16px}
.article p{line-height:2.25;color:#4b5568}
.info{width:100%;border-collapse:collapse;margin-top:28px;font-size:15px}
.info th,.info td{text-align:left;padding:18px 0;border-bottom:1px solid #cdd2dc;vertical-align:top}
.info th{width:30%;font-weight:700;color:var(--ink)}
.info td{color:#4b5568}
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:64px}
.process .col strong{display:block;font-size:22px;margin:18px 0 8px;letter-spacing:.06em}
.contact-box{border:1px solid #c6ccd8;padding:clamp(28px,5vw,64px);margin-top:44px;background:#fff}
.contact-box h2{margin-top:0}
.email{font-size:clamp(19px,2.8vw,30px);border-bottom:1px solid currentColor;overflow-wrap:anywhere;color:var(--ink)}

.footer{border-top:1px solid var(--line);padding:36px clamp(20px,7vw,110px);display:flex;justify-content:space-between;align-items:center;gap:20px;color:#8f9ab0;font-size:12px}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s ease}
.reveal.visible{opacity:1;transform:none}

@media(max-width:850px){
	.nav{display:none;position:absolute;top:100%;left:0;right:0;background:#070a12f7;padding:16px 22px;flex-direction:column;align-items:stretch;gap:0;border-bottom:1px solid #ffffff30}
	.nav.open{display:flex}.nav a{padding:15px 4px}.menu{display:block}
	.statement-grid,.cols,.services,.process,.profile{grid-template-columns:1fr}
	.portrait{max-width:320px}
	.story-intro{bottom:90px;right:20px}
	.scroll-hint{display:none}
	.story-outro p{letter-spacing:.12em}
	.footer{flex-direction:column;align-items:flex-start}
}
@media(prefers-reduced-motion:reduce){
	html{scroll-behavior:auto}
	.reveal{opacity:1;transform:none;transition:none}
}

/* 見出しの改行位置を固定 */
.story-intro h1 .line{display:block;white-space:nowrap}
@media(max-width:850px){.story-intro h1{font-size:clamp(30px,8.6vw,60px)}.story-outro p{font-size:17px}}

/* Concept film */
.film{padding:clamp(90px,11vw,160px) 0;background:radial-gradient(ellipse at 50% 100%,#3d8bff1f,transparent 60%),var(--bg)}
.film-head{display:grid;grid-template-columns:1fr 1fr;gap:6vw;align-items:end;margin-bottom:48px}
.film-head .section-desc{margin:0 0 36px}
.film-stage{position:relative;max-width:1100px;margin:auto;aspect-ratio:16/9;background:#000;border:1px solid #ffffff1f;box-shadow:0 40px 120px -40px #3d8bff55,0 30px 100px -50px #ff8a3d55;overflow:hidden}
.film-stage video{display:block;width:100%;height:100%;object-fit:cover}
.film-toggle{position:absolute;right:16px;bottom:16px;z-index:2;border:1px solid #ffffff66;background:#000a;color:#fff;padding:10px 15px;font:inherit;font-size:11px;letter-spacing:.14em;cursor:pointer}
.film-toggle:focus-visible{outline:2px solid var(--sky);outline-offset:2px}
@media(max-width:850px){.film-head{grid-template-columns:1fr;gap:0}.film-head .section-desc{margin:0}.film-toggle{right:8px;bottom:8px;padding:8px 11px}}

/* Profile / Message */
.profile .pull{font-size:clamp(18px,1.8vw,24px);font-weight:700;color:var(--ink);line-height:1.7;margin:26px 0 8px}
.message p{color:#c3cbdc;font-size:clamp(15px,1.3vw,17px)}
.message h2{color:#fff}
.message .sign{margin-top:48px;text-align:right;font-size:13px;color:#9aa6c0}
.message .sign strong{display:block;font-size:22px;color:#fff;letter-spacing:.15em;margin-top:6px}

/* Contact form */
.contact-form{margin-top:40px;display:grid;gap:26px}
.field{display:grid;gap:8px}
.field label{font-size:14px;font-weight:700;color:var(--ink);display:flex;align-items:center;gap:10px}
.field em{font-style:normal;font-size:10px;letter-spacing:.1em;color:#fff;background:var(--orange);padding:2px 7px;border-radius:2px}
.field small{font-size:12px;color:var(--muted)}
.field input[type=text],.field input[type=email],.field input[type=tel],.field select,.field textarea{width:100%;font:inherit;font-size:16px;color:var(--ink);background:#fff;border:1px solid #c3c9d6;padding:14px 16px;border-radius:0;transition:border-color .2s,box-shadow .2s}
.field textarea{resize:vertical;line-height:1.8}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px #3d8bff33}
.checked .field :invalid{border-color:var(--red);background:#fff5f2}
.field.check label{font-weight:400}
.field.check a{color:var(--blue);text-decoration:underline}
.field.check input{width:18px;height:18px;accent-color:var(--blue)}
.contact-form .btn{justify-self:start;border:0;cursor:pointer;font-family:inherit}
.contact-form .btn:disabled{opacity:.6;cursor:wait;transform:none}
.form-error{margin-top:32px;padding:16px 20px;border-left:3px solid var(--red);background:#fff1ec;color:#8a2a12;font-size:14px}
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}
.privacy{margin-top:56px;padding-top:28px;border-top:1px solid #cdd2dc}
.privacy h3{font-size:16px;margin:0 0 8px}
.privacy p{font-size:13px;line-height:2}
.page-head .actions{margin-top:36px}
.topbar{background:#05070de8;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid #ffffff14}
.paper .text-link{color:var(--ink);border-color:var(--ink)}