:root{
  --paper:#F7F6F1;
  --paper-2:#EFEEE6;
  --ink:#14171D;
  --ai:#1E4266;
  --ai-deep:#152F49;
  --mist:#E2E1D7;
  --gray:#5C636D;
  --gold:#C0912F;
  --serif:'Shippori Mincho',serif;
  --sans:'Zen Kaku Gothic New',sans-serif;
  --mono:'IBM Plex Mono',monospace;
  --disp:'Cormorant Garamond',serif;
  --ease-out:cubic-bezier(.16,1,.3,1);
  --ease-mask:cubic-bezier(.77,0,.18,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
body{
  font-family:var(--sans);
  background:var(--paper);
  color:var(--ink);
  line-height:1.95;font-size:15px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{background:rgba(30,66,102,.16)}
a{color:var(--ai);text-decoration:none}
a:focus-visible,button:focus-visible{outline:2px solid var(--ai);outline-offset:3px;border-radius:2px}
.wrap{max-width:1160px;margin:0 auto;padding:0 32px}
@media(max-width:640px){.wrap{padding:0 20px}}

/* ===== 紙目テクスチャ ===== */
.grain{
  position:fixed;inset:0;z-index:110;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/><feColorMatrix type='saturate' values='0'/></filter><rect width='160' height='160' filter='url(%23n)' opacity='0.55'/></svg>");
}

/* ===== ローディング演出 ===== */
.loader{display:none}
.js .loader{
  display:grid;place-items:center;
  position:fixed;inset:0;z-index:200;background:var(--paper);
  transition:opacity .7s ease .15s,visibility 0s .9s;
}
.loader .mark{
  font-family:var(--serif);font-weight:700;font-size:26px;letter-spacing:.4em;
  padding-left:.4em;color:var(--ink);
}
.loader .mark i{font-style:normal;color:var(--ai)}
.loader .bar{
  width:120px;height:1px;background:var(--mist);margin:22px auto 0;position:relative;overflow:hidden;
}
.loader .bar::after{
  content:"";position:absolute;inset:0;background:var(--ai);
  transform:scaleX(0);transform-origin:left;animation:load 1.1s var(--ease-mask) forwards;
}
@keyframes load{to{transform:scaleX(1)}}
.loaded .loader{opacity:0;visibility:hidden}

/* ===== カスタムカーソル ===== */
.cursor-dot,.cursor-ring{
  position:fixed;top:0;left:0;z-index:300;pointer-events:none;border-radius:50%;
  opacity:0;transform:translate(-50%,-50%);
}
.has-cursor .cursor-dot,.has-cursor .cursor-ring{opacity:1}
.cursor-dot{width:5px;height:5px;background:var(--ai)}
.cursor-ring{
  width:34px;height:34px;border:1px solid rgba(30,66,102,.45);
  transition:width .3s var(--ease-out),height .3s var(--ease-out),border-color .3s;
}
.cursor-ring.on{width:56px;height:56px;border-color:rgba(192,145,47,.8)}
@media(pointer:coarse){.cursor-dot,.cursor-ring{display:none}}

/* ===== header ===== */
header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  background:rgba(247,246,241,.85);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--mist);
  transition:transform .5s var(--ease-out);
}
header.hide{transform:translateY(-101%)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{font-family:var(--serif);font-weight:700;font-size:20px;letter-spacing:.16em;color:var(--ink)}
.logo span{color:var(--ai)}
nav ul{display:flex;gap:36px;list-style:none}
nav a{font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--gray);text-transform:uppercase;position:relative;padding:4px 0}
nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--ai);
  transform:scaleX(0);transform-origin:right;transition:transform .4s var(--ease-out);
}
nav a:hover{color:var(--ai)}
nav a:hover::after{transform:scaleX(1);transform-origin:left}
@media(max-width:640px){
  nav ul{gap:8px}
  /* 見た目は据え置きでタップ領域だけ44px相当に広げる(padding+負マージン)。
     下線はパディング分を差し引いて従来位置に固定 */
  nav a{font-size:10px;letter-spacing:.1em;padding:14px 8px;margin:-14px -4px}
  nav a::after{bottom:14px;left:8px;right:8px}
}

/* ===== hero ===== */
.hero{min-height:100svh;display:flex;align-items:center;position:relative;padding:120px 0 80px}
.hero-side{
  position:absolute;right:40px;top:50%;transform:translateY(-50%);
  writing-mode:vertical-rl;font-family:var(--serif);font-size:13px;
  letter-spacing:.55em;color:var(--gray);
}
@media(max-width:1100px){.hero-side{display:none}}
.eyebrow{
  display:flex;align-items:center;gap:16px;
  font-family:var(--mono);font-size:11px;letter-spacing:.3em;
  color:var(--ai);text-transform:uppercase;margin-bottom:40px;
}
.eyebrow::before{content:"";width:48px;height:1px;background:var(--ai)}
.hero h1{
  font-family:var(--serif);font-weight:700;
  /* min 32px: 375px幅で最長行「つくって、動かして、」(10文字)が1行に収まる上限 */
  font-size:clamp(32px,7vw,82px);line-height:1.38;letter-spacing:.02em;
}
.hero h1 em{font-style:normal;color:var(--ai)}
.hl{display:block;overflow:hidden;padding-bottom:.08em;margin-bottom:-.08em}
.hl>span{display:inline-block}
.hero .lede{margin-top:36px;max-width:35em;color:var(--gray);font-size:15px}
.stats{display:flex;gap:72px;margin-top:64px;flex-wrap:wrap}
.stat .n{font-family:var(--disp);font-weight:500;font-size:46px;line-height:1;color:var(--ai)}
.stat .n small{font-size:22px;letter-spacing:.05em}
.stat .l{font-family:var(--mono);font-size:10px;letter-spacing:.26em;color:var(--gray);text-transform:uppercase;margin-top:10px}
.hero-rule{margin-top:72px;display:flex;align-items:flex-end;max-width:920px}
.hero-rule .line{flex:1;height:1px;background:var(--ink)}
.hero-rule svg{flex:none;margin-bottom:-1px}
@media(max-width:640px){.stats{gap:40px}.hero{padding:100px 0 60px}}

/* ===== マーキー帯 ===== */
.marquee{
  border-top:1px solid var(--mist);border-bottom:1px solid var(--mist);
  padding:16px 0;overflow:hidden;
}
.mq{display:flex;width:max-content;animation:mq 46s linear infinite}
.mq span{
  font-family:var(--mono);font-size:10px;letter-spacing:.34em;
  color:var(--gray);text-transform:uppercase;white-space:nowrap;padding-right:.34em;
}
@keyframes mq{to{transform:translateX(-50%)}}

/* ===== section common ===== */
section{padding:130px 0 40px}
.sec-head{display:flex;align-items:baseline;gap:24px;margin-bottom:20px}
.sec-head h2{font-family:var(--serif);font-weight:600;font-size:clamp(28px,4vw,40px);letter-spacing:.12em}
.sec-head .count{font-family:var(--disp);font-style:italic;font-weight:500;font-size:22px;color:var(--gold)}
.sec-head .en{font-family:var(--mono);font-size:11px;letter-spacing:.26em;color:var(--gray);text-transform:uppercase;margin-left:auto}
.sec-lede{color:var(--gray);font-size:14px;max-width:38em;margin-bottom:56px}
.v-label{
  position:absolute;left:-72px;top:6px;
  writing-mode:vertical-rl;font-family:var(--serif);font-size:12px;
  letter-spacing:.44em;color:var(--gray);
}
.sec-inner{position:relative}
@media(max-width:1320px){.v-label{display:none}}

/* ===== works: ケーススタディ型 ===== */
.case{
  display:grid;grid-template-columns:repeat(12,1fr);gap:0 48px;
  padding:88px 0;border-top:1px solid var(--mist);position:relative;
}
.case:first-of-type{border-top:none;padding-top:48px}
.case .media{grid-column:1/8}
.case .body{grid-column:8/13;align-self:center}
.case.alt .media{grid-column:6/13;order:2}
.case.alt .body{grid-column:1/6;order:1}
@media(max-width:860px){
  .case{grid-template-columns:1fr;gap:32px;padding:64px 0}
  .case .media,.case .body,.case.alt .media,.case.alt .body{grid-column:1/-1;order:0}
}
.num{
  font-family:var(--disp);font-weight:500;font-size:clamp(64px,8vw,104px);line-height:.9;
  color:transparent;-webkit-text-stroke:1px rgba(30,66,102,.45);
  margin-bottom:18px;
}
.frame{
  position:relative;overflow:hidden;aspect-ratio:16/10;background:var(--paper-2);
  border:1px solid var(--mist);
}
.plx{position:absolute;inset:-8% 0;will-change:transform}
.plx img,.plx svg{width:100%;height:100%;object-fit:cover;display:block;transition:transform 1.2s var(--ease-out)}
.case:hover .plx img{transform:scale(1.035)}
.conf{
  position:absolute;inset:0;display:grid;place-items:center;pointer-events:none;
}
.conf span{
  font-family:var(--mono);font-size:10px;letter-spacing:.44em;padding:10px 22px 10px calc(22px + .44em);
  color:var(--ai);border:1px solid rgba(30,66,102,.4);background:rgba(247,246,241,.72);
}
.case .cat{
  font-family:var(--mono);font-size:10px;letter-spacing:.26em;
  color:var(--ai);text-transform:uppercase;margin-bottom:14px;
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
}
.status{
  font-size:11px;letter-spacing:.08em;font-family:var(--sans);
  color:var(--gray);border:1px solid var(--mist);border-radius:999px;
  padding:2px 12px;background:rgba(255,255,255,.5);
}
.status.live{color:var(--ai);border-color:rgba(30,66,102,.55)}
.case h3{font-family:var(--serif);font-weight:600;font-size:clamp(22px,2.6vw,28px);letter-spacing:.06em;margin-bottom:16px}
.case p{color:var(--gray);font-size:13.5px;line-height:2.05}
.meta{margin-top:28px;border-top:1px solid var(--mist)}
.meta>div{
  display:grid;grid-template-columns:88px 1fr;gap:16px;
  padding:11px 0;border-bottom:1px solid var(--mist);align-items:baseline;
}
.meta dt{font-family:var(--mono);font-size:9.5px;letter-spacing:.24em;color:var(--gray);text-transform:uppercase}
.meta dd{font-size:12.5px;color:var(--ink);letter-spacing:.02em}
.meta dd a{
  font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;
  border-bottom:1px solid rgba(30,66,102,.35);transition:border-color .25s,color .25s;
}
.meta dd a:hover{border-color:var(--ai);color:var(--ai-deep)}

/* ===== services ===== */
.svc{
  display:grid;grid-template-columns:110px 280px 1fr;gap:40px;
  padding:46px 8px;border-top:1px solid var(--mist);
  position:relative;transition:background .35s;
}
.svc:last-of-type{border-bottom:1px solid var(--mist);margin-bottom:40px}
.svc:hover{background:rgba(255,255,255,.45)}
.svc::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:var(--ai);
  transform:scaleX(0);transform-origin:left;transition:transform .6s var(--ease-out);
}
.svc:hover::after{transform:scaleX(1)}
.svc .idx{font-family:var(--disp);font-style:italic;font-weight:500;font-size:26px;color:var(--gold);line-height:1.4}
.svc dt{font-family:var(--serif);font-weight:600;font-size:19px;letter-spacing:.08em}
.svc dd{color:var(--gray);font-size:13.5px}
@media(max-width:760px){.svc{grid-template-columns:1fr;gap:10px;padding:32px 4px}}

/* ===== about ===== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:72px;margin-bottom:40px}
@media(max-width:760px){.about-grid{grid-template-columns:1fr;gap:36px}}
.profile-head{display:flex;align-items:center;gap:20px;margin-bottom:24px}
.avatar{
  width:84px;height:84px;border-radius:50%;
  border:1px solid var(--mist);object-fit:cover;flex:none;
  box-shadow:0 6px 24px rgba(20,23,29,.08);
}
.profile-head .name{font-family:var(--serif);font-weight:600;font-size:20px;letter-spacing:.1em}
.profile-head .role{font-family:var(--mono);font-size:10px;letter-spacing:.22em;color:var(--gray);text-transform:uppercase;margin-top:6px}
.about p{color:var(--gray);font-size:14px;margin-bottom:1.3em}
.about strong{color:var(--ink);font-weight:700}
.sns-links{display:flex;gap:24px;margin-top:12px}
.sns-links a{
  font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;color:var(--ai);
  border-bottom:1px solid transparent;transition:border-color .25s;
}
.sns-links a:hover{border-color:var(--ai)}
.skill-list{list-style:none}
.skill-list li{
  display:flex;justify-content:space-between;align-items:baseline;
  padding:16px 4px;border-bottom:1px solid var(--mist);font-size:14px;letter-spacing:.03em;
}
.skill-list li:first-child{border-top:1px solid var(--mist)}
.skill-list .lv{font-family:var(--mono);font-size:10.5px;color:var(--ai);letter-spacing:.16em}

/* ===== contact ===== */
.contact{text-align:center;padding:170px 0 150px}
.contact .kicker{
  font-family:var(--mono);font-size:10px;letter-spacing:.4em;color:var(--gold);
  text-transform:uppercase;margin-bottom:26px;display:block;
}
.contact h2{
  font-family:var(--serif);font-weight:600;
  font-size:clamp(30px,5vw,52px);letter-spacing:.12em;margin-bottom:26px;line-height:1.6;
}
.contact .sub-lede{color:var(--gray);font-size:14px;margin-bottom:52px}
.btn{
  display:inline-block;position:relative;overflow:hidden;
  font-family:var(--sans);font-weight:500;font-size:14px;letter-spacing:.18em;
  color:var(--ai);border:1px solid var(--ai);
  padding:18px 64px;transition:color .45s var(--ease-out);
}
.btn::before{
  content:"";position:absolute;inset:0;background:var(--ai);
  transform:translateY(101%);transition:transform .5s var(--ease-mask);
}
.btn:hover{color:var(--paper)}
.btn:hover::before{transform:translateY(0)}
.btn span{position:relative;z-index:1}
.contact .sub{margin-top:24px;font-size:12px;color:var(--gray)}

/* ===== footer ===== */
footer{border-top:1px solid var(--mist);padding:36px 0}
footer .wrap{display:flex;justify-content:space-between;align-items:center}
footer .cp{font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;color:var(--gray)}
footer .paw{color:var(--gold);font-size:13px}

/* ===== モーション(reduced-motion時は全て素通し) ===== */
@media(prefers-reduced-motion:no-preference){
  .js .hl>span{transform:translateY(118%);transition:transform 1.15s var(--ease-out)}
  .js.loaded .hl>span{transform:none}
  .js.loaded .hl:nth-child(2)>span{transition-delay:.1s}
  .js.loaded .hl:nth-child(3)>span{transition-delay:.2s}
  .js .hero .eyebrow,.js .hero .lede,.js .hero .stats,.js .hero-side{
    opacity:0;transform:translateY(18px);transition:opacity 1s ease,transform 1s var(--ease-out);
  }
  .js.loaded .hero .eyebrow{opacity:1;transform:none;transition-delay:.35s}
  .js.loaded .hero .lede{opacity:1;transform:none;transition-delay:.5s}
  .js.loaded .hero .stats{opacity:1;transform:none;transition-delay:.65s}
  .js.loaded .hero-side{opacity:1;transform:translateY(-50%);transition-delay:.8s}
  .js .hero-side{transform:translateY(calc(-50% + 18px))}
  .js .hero-rule .line{transform:scaleX(0);transform-origin:left;transition:transform 1.4s var(--ease-mask) .55s}
  .js.loaded .hero-rule .line{transform:scaleX(1)}
  .js .hero-rule svg{opacity:0;transition:opacity .8s ease 1.5s}
  .js.loaded .hero-rule svg{opacity:1}

  .js [data-reveal]{opacity:0;transform:translateY(34px);transition:opacity 1s ease,transform 1s var(--ease-out)}
  .js [data-reveal].in{opacity:1;transform:none}
  .js [data-mask]{clip-path:inset(0 100% 0 0);transition:clip-path 1.25s var(--ease-mask)}
  .js [data-mask].in{clip-path:inset(0 0 0 0)}
}