/* 生成元: design_デザイン仕様/prototype_試作/build_theme.py（直接編集しない） */
:root{
  --ink:#0A1628;--navy:#13294B;--ai:#00A7EB;--ai-deep:#0A6FB8;--hot:#EA5413;--hot-deep:#C94410;
  --paper:#F6F8FB;--white:#FFFFFF;--slate:#5A6478;--mist:#9AA6BC;--line:#E3E7EE;
  --ease:cubic-bezier(.16,1,.3,1);
  --jp:"Noto Sans JP",system-ui,sans-serif;--en:"Inter",system-ui,sans-serif;--mono:"JetBrains Mono",ui-monospace,monospace;
  --gut:clamp(16px,4vw,64px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--ink);color:var(--white);font-family:var(--jp);font-size:16px;line-height:1.9;letter-spacing:.02em;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img,video{display:block;max-width:100%}
.en{font-family:var(--en)}
.mono{font-family:var(--mono)}
.kicker{font-family:var(--mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--ai);display:inline-flex;align-items:center;gap:12px}
.kicker::before{content:"";width:28px;height:1px;background:currentColor}
.light .kicker{color:var(--ai-deep)}
.wrap{max-width:1320px;margin:0 auto;padding:0 var(--gut)}

/* ---------- grain & progress ---------- */
body::after{content:"";position:fixed;inset:-50%;pointer-events:none;z-index:90;opacity:.07;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation:grain 1.2s steps(6) infinite}
@keyframes grain{0%{transform:translate(0,0)}20%{transform:translate(-3%,2%)}40%{transform:translate(2%,-3%)}60%{transform:translate(-2%,-1%)}80%{transform:translate(3%,3%)}100%{transform:translate(0,0)}}
#progress{position:fixed;top:0;left:0;height:2px;width:100%;transform-origin:0 50%;transform:scaleX(0);background:linear-gradient(90deg,var(--ai),var(--hot));z-index:100}

/* ---------- cursor ---------- */
.cur,.cur-ring{position:fixed;top:0;left:0;pointer-events:none;z-index:120;border-radius:50%;mix-blend-mode:difference;display:none}
.cur{width:6px;height:6px;background:#fff;margin:-3px 0 0 -3px}
.cur-ring{width:40px;height:40px;border:1px solid #fff;margin:-20px 0 0 -20px;transition:width .3s var(--ease),height .3s var(--ease),margin .3s var(--ease),background .3s}
.cur-ring.big{width:84px;height:84px;margin:-42px 0 0 -42px;background:rgba(255,255,255,.1)}
@media (pointer:fine){.cur,.cur-ring{display:block}body{cursor:none}a,button{cursor:none}}

/* ---------- header ---------- */
header{position:fixed;top:0;left:0;right:0;z-index:80;display:flex;align-items:center;justify-content:space-between;padding:18px var(--gut);transition:background .4s,color .4s,padding .4s var(--ease)}
header.scrolled{padding:12px var(--gut);background:rgba(10,22,40,.55);backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%);border-bottom:1px solid rgba(255,255,255,.06)}
header.on-light{color:var(--ink);background:rgba(246,248,251,.7);border-bottom-color:rgba(10,22,40,.06)}
.logo{display:flex;align-items:center;gap:12px;font-family:var(--en);font-weight:600;font-size:17px;letter-spacing:.01em}
.mark{display:inline-flex;gap:4px;height:22px}
.mark i{display:block;width:7px;height:100%;transform:skewX(-18deg);border-radius:1px}
.mark i:first-child{background:var(--hot)}.mark i:last-child{background:var(--ai)}
nav.gnav{display:flex;align-items:center;gap:36px;font-size:14px}
nav.gnav a.l{position:relative;opacity:.8;transition:opacity .2s}
nav.gnav a.l:hover{opacity:1}
nav.gnav a.l::after{content:"";position:absolute;left:0;bottom:-4px;height:1px;width:100%;background:currentColor;transform:scaleX(0);transform-origin:right;transition:transform .4s var(--ease)}
nav.gnav a.l:hover::after{transform:scaleX(1);transform-origin:left}
.btn{display:inline-flex;align-items:center;gap:12px;padding:14px 26px;border-radius:999px;font-weight:500;font-size:15px;line-height:1;transition:transform .3s var(--ease),background .3s,color .3s,box-shadow .3s;will-change:transform}
.btn-hot{background:var(--hot);color:#fff;box-shadow:0 0 0 0 rgba(234,84,19,.5)}
.btn-hot:hover{box-shadow:0 10px 40px -8px rgba(234,84,19,.7)}
.light .btn-hot,.on-light .btn-hot{background:var(--hot-deep)}
.btn-ghost{border:1px solid rgba(255,255,255,.28);color:#fff}
.btn-ghost:hover{border-color:var(--ai);color:var(--ai)}
.btn .arr{transition:transform .3s var(--ease)}
.btn:hover .arr{transform:translateX(4px)}
header .btn{padding:11px 20px;font-size:14px}
nav.gnav a.l.cur-page{opacity:1}
nav.gnav a.l.cur-page::after{transform:scaleX(1)}
.menu-btn{display:none;width:44px;height:44px;border:0;background:none;color:inherit;padding:0;position:relative;z-index:2}
.menu-btn i{position:absolute;left:11px;right:11px;height:1.5px;background:currentColor;transition:transform .4s var(--ease),top .4s var(--ease)}
.menu-btn i:first-child{top:17px}.menu-btn i:last-child{top:26px}
.menu-open .menu-btn i:first-child{top:21px;transform:rotate(45deg)}
.menu-open .menu-btn i:last-child{top:21px;transform:rotate(-45deg)}
.mnav{position:fixed;inset:0;z-index:79;background:rgba(10,22,40,.96);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);color:#fff;display:flex;flex-direction:column;justify-content:center;gap:6px;padding:96px var(--gut) 48px;clip-path:circle(0 at calc(100% - 40px) 40px);transition:clip-path .7s var(--ease);pointer-events:none}
.menu-open .mnav{clip-path:circle(150% at calc(100% - 40px) 40px);pointer-events:auto}
.mnav a{font-size:clamp(26px,7vw,40px);font-weight:700;line-height:1.5;display:flex;align-items:baseline;gap:16px}
.mnav a small{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--ai);font-weight:400;width:2.4em}
.mnav .sub{margin-top:28px;font-size:14px;color:var(--mist);font-weight:400}
.menu-open header{color:#fff!important;background:transparent!important;border-color:transparent!important;backdrop-filter:none!important}
@media (max-width:860px){nav.gnav a.l{display:none}.menu-btn{display:block}header .btn{padding:10px 16px;font-size:13px}}
@media (max-width:480px){.logo{gap:8px;font-size:15px;white-space:nowrap}nav.gnav{gap:8px}header .btn{padding:9px 14px;white-space:nowrap}header .btn .arr{display:none}}
/* ---------- footer ---------- */
footer{position:relative;z-index:2;background:var(--ink);border-top:1px solid rgba(255,255,255,.08);padding:56px 0 40px;color:var(--mist);font-size:13px}
.ft{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap;align-items:flex-start}
.ft .logo{color:#fff}
.ft-co{margin-top:14px;line-height:1.8}
.ft nav{display:grid;grid-template-columns:repeat(2,auto);gap:10px 40px}
.ft nav a{transition:color .2s}
.ft nav a:hover{color:#fff}
.made{margin-top:48px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;font-family:var(--mono);font-size:11px;letter-spacing:.1em}
.made .ai{color:var(--ai)}
.made a:hover{color:#fff}

/* ---------- reveal ---------- */
.rv{opacity:0;transform:translateY(40px);transition:opacity 1s var(--ease),transform 1.2s var(--ease)}
.rv.in{opacity:1;transform:none}
.rv.d1{transition-delay:.12s}.rv.d2{transition-delay:.24s}.rv.d3{transition-delay:.36s}
@media (prefers-reduced-motion:reduce){.rv{opacity:1!important;transform:none!important}}

/* WordPress 管理バー（ログイン中だけ表示）との重なりを避ける */
body.admin-bar #hd,body.admin-bar #progress{top:32px}
body.admin-bar .mnav{top:32px}
@media (max-width:782px){body.admin-bar #hd,body.admin-bar #progress,body.admin-bar .mnav{top:46px}}