/* LLM Oops 公開サイト共通 v17(2026-10-10・モノクロ) */
:root{
  --black:#0a0a0a; --black2:#131313; --white:#fff; --paper:#fafafa;
  --g1:#8a8a8a; --g2:#5e5e5e; --g3:#2a2a2a; --rule:#e2e2e2; --rule-d:#272727;
  --jp:"Yu Gothic Medium","Yu Gothic",YuGothic,"Hiragino Sans","Noto Sans JP",sans-serif;
  --jpb:"Yu Gothic","Yu Gothic Bold",YuGothic,"Hiragino Sans","Noto Sans JP",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{font-family:var(--jp);background:var(--white);color:var(--black);font-size:15px;line-height:2;
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.bar{font-family:'Barlow',sans-serif}
.wrap{max-width:1320px;margin:0 auto;padding:0 32px}
@media(max-width:700px){.wrap{padding:0 20px}}
/* ── 画面上の細かい情報(ds-k の作法) ─────── */
.hud{position:fixed;inset:0;z-index:50;pointer-events:none}
.hud>*{position:absolute;pointer-events:auto}
.hud .logo{left:32px;top:26px;color:#fff;line-height:1.18;mix-blend-mode:difference}
.hud .logo b{display:block;font-family:'Barlow';font-weight:700;font-size:21px;letter-spacing:-.01em}
.hud .logo span{display:block;font-family:'Barlow';font-size:10px;letter-spacing:.17em;color:#fff;opacity:.62;margin-top:3px}
.hud .meta{left:50%;top:28px;transform:translateX(-50%);text-align:center;font-family:'Barlow';font-size:10.5px;
  letter-spacing:.11em;color:#fff;opacity:.6;mix-blend-mode:difference;line-height:1.7;white-space:nowrap}
.hud .tr{right:32px;top:22px;display:flex;gap:9px;align-items:center}
.ctl{font-family:'Barlow';font-size:10.5px;letter-spacing:.11em;border:1px solid rgba(255,255,255,.28);color:#fff;
  background:rgba(0,0,0,.25);backdrop-filter:blur(8px);padding:9px 14px;cursor:pointer;display:inline-flex;gap:8px;align-items:center}
.ctl:hover{background:rgba(255,255,255,.14)}
.ctl.solid{background:#fff;color:#0a0a0a;border-color:#fff}
.ctl.solid:hover{opacity:.84}
body.light .hud .logo,body.light .hud .meta{mix-blend-mode:normal;color:var(--black)}
body.light .hud .logo span{color:var(--g2);opacity:1}
body.light .ctl{border-color:#c9c9c9;color:var(--black);background:rgba(255,255,255,.75)}
body.light .ctl.solid{background:var(--black);color:#fff;border-color:var(--black)}
@media(max-width:860px){.hud .meta{display:none}.hud .logo{left:20px;top:20px}.hud .tr{right:20px;top:18px}}
/* 下の浮きナビ */
.dock{position:fixed;left:50%;bottom:22px;transform:translateX(-50%);z-index:50;display:flex;
  border:1px solid rgba(255,255,255,.26);background:rgba(10,10,10,.55);backdrop-filter:blur(14px)}
.dock a{font-family:'Barlow';font-size:11px;letter-spacing:.1em;color:rgba(255,255,255,.82);padding:11px 16px;
  border-right:1px solid rgba(255,255,255,.16)}
.dock a:last-child{border-right:0}
.dock a:hover,.dock a.on{background:#fff;color:#0a0a0a}
body.light .dock{border-color:#d8d8d8;background:rgba(255,255,255,.82)}
body.light .dock a{color:var(--g2);border-color:#e8e8e8}
body.light .dock a:hover,body.light .dock a.on{background:var(--black);color:#fff}
@media(max-width:860px){.dock{display:none}}
/* ── hero ─────── */
.hero{position:relative;height:100svh;min-height:580px;background:var(--black);overflow:hidden}
#cv{position:absolute;inset:0;width:100%;height:100%;display:block}
.grain{position:absolute;inset:0;pointer-events:none;opacity:.26;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/></filter><rect width='180' height='180' filter='url(%23n)' opacity='.5'/></svg>")}
.hero .copy{position:absolute;left:0;right:0;bottom:17%;z-index:3;color:#fff}
.hero h1{font-family:var(--jpb);font-weight:700;font-size:clamp(30px,5.1vw,62px);line-height:1.42;letter-spacing:.01em}
.hero .en{font-family:'Barlow';font-size:11px;letter-spacing:.25em;color:rgba(255,255,255,.55);margin-bottom:26px}
.hero .sub{margin-top:26px;font-size:13.5px;line-height:2.2;color:rgba(255,255,255,.62);max-width:30em}
.scrollcue{position:absolute;left:32px;bottom:22px;z-index:3;font-family:'Barlow';font-size:10px;letter-spacing:.2em;
  color:rgba(255,255,255,.45);display:flex;align-items:center;gap:10px}
.scrollcue s{text-decoration:none;display:block;width:46px;height:1px;background:rgba(255,255,255,.35);position:relative;overflow:hidden}
.scrollcue s::after{content:"";position:absolute;inset:0;background:#fff;transform:translateX(-100%);animation:sl 2.6s ease-in-out infinite}
@keyframes sl{0%{transform:translateX(-100%)}55%{transform:translateX(0)}100%{transform:translateX(100%)}}
@media(max-width:700px){.scrollcue{left:20px}}
/* ── 本文 ─────── */
.sec{border-top:1px solid var(--rule);padding:108px 0}
@media(min-width:900px){.sec{padding:150px 0}}
.lbl{font-family:'Barlow';font-size:10.5px;letter-spacing:.2em;color:var(--g2);display:flex;align-items:center;gap:11px}
.lbl::before{content:"";width:7px;height:7px;background:var(--black);flex:none}
.sec h2{font-family:var(--jpb);font-weight:700;font-size:clamp(23px,3.1vw,40px);line-height:1.62;letter-spacing:.005em;margin-top:40px;max-width:19em}
.sec .note{margin-top:28px;font-size:14px;color:var(--g2);max-width:40em;line-height:2.2}
.split{display:grid;gap:54px;margin-top:92px}
@media(min-width:960px){.split{grid-template-columns:.9fr 1.1fr;gap:80px}}
/* 現場の詰まり: 番号つきの行 */
.list{border-top:1px solid var(--rule)}
.list>div{border-bottom:1px solid var(--rule);padding:30px 0;display:grid;gap:10px}
@media(min-width:720px){.list>div{grid-template-columns:62px 1fr;gap:28px}}
.list .no{font-family:'Barlow';font-size:11px;letter-spacing:.14em;color:var(--g1);padding-top:6px}
.list h3{font-family:var(--jpb);font-weight:700;font-size:17px;line-height:1.8}
.list p{margin-top:8px;font-size:14px;color:var(--g2);line-height:2.15}
/* 巨大ロゴタイプ */
.mark{font-family:'Barlow';font-weight:700;font-size:clamp(54px,11vw,150px);line-height:.92;letter-spacing:-.045em;
  transform:rotate(-6deg);transform-origin:left center;color:var(--black);white-space:nowrap}
.mark em{font-style:normal;display:block;padding-left:.44em}
/* 進め方 */
.proc{margin-top:84px;border-top:1px solid var(--rule)}
.proc>div{border-bottom:1px solid var(--rule);padding:36px 0;display:grid;gap:14px;align-items:start}
@media(min-width:860px){.proc>div{grid-template-columns:96px 2fr 3fr;gap:40px}}
.proc .n{font-family:'Barlow';font-size:11.5px;letter-spacing:.16em;color:var(--g1)}
.proc h3{font-family:var(--jpb);font-weight:700;font-size:19px}
.proc p{font-size:14px;color:var(--g2);line-height:2.2}
/* 対応範囲 */
.tags{display:flex;flex-wrap:wrap;gap:0;margin-top:34px;border-top:1px solid var(--rule);border-left:1px solid var(--rule)}
.tags span{flex:1 1 128px;border-right:1px solid var(--rule);border-bottom:1px solid var(--rule);padding:15px 16px;font-size:13.5px;color:var(--g2)}
.tags span.k{color:var(--black)}
/* 実績 */
.works{margin-top:84px;display:grid;gap:70px}
@media(min-width:900px){.works{grid-template-columns:1fr 1fr;gap:70px 54px}}
.work img{filter:grayscale(1) contrast(1.04);border:1px solid var(--rule);aspect-ratio:16/10;object-fit:cover;object-position:top;transition:filter .5s,transform .5s}
.work:hover img{filter:grayscale(0);transform:translateY(-5px)}
.work .c{margin-top:20px;display:flex;gap:16px;align-items:baseline}
.work .c i{font-style:normal;font-family:'Barlow';font-size:11px;letter-spacing:.14em;color:var(--g1);flex:none}
.work h3{font-family:var(--jpb);font-weight:700;font-size:18px;line-height:1.7}
.work p{margin-top:9px;font-size:13.5px;color:var(--g2);line-height:2.15}
/* ── 設計ツール(モノクロ) ─────── */
.tool{background:var(--paper)}
.inb{margin-top:40px;display:flex;border:1px solid var(--black);max-width:880px;flex-wrap:wrap}
.inb input{flex:1 1 260px;min-width:0;border:0;outline:0;background:transparent;font:inherit;font-size:15.5px;padding:19px 20px;font-family:var(--jp)}
.inb input::placeholder{color:#a5a5a5}
.inb button{font-family:'Barlow';font-size:12px;letter-spacing:.14em;background:var(--black);color:#fff;border:0;
  padding:19px 30px;cursor:pointer;display:inline-flex;align-items:center;gap:10px}
.inb button:hover{background:var(--g3)}.inb button[disabled]{opacity:.5;cursor:default}
.chips{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px}
.chips button{font-family:var(--jp);font-size:13px;color:var(--g2);background:transparent;border:1px solid var(--rule);
  padding:8px 15px;cursor:pointer}
.chips button:hover{border-color:var(--black);color:var(--black)}
#err{margin-top:16px;font-size:13.5px;color:var(--black);display:none;border-left:3px solid var(--black);padding-left:12px}
.sp{width:12px;height:12px;border:1.5px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:sp .8s linear infinite;display:inline-block}
@keyframes sp{to{transform:rotate(360deg)}}
#out{display:none;margin-top:40px;max-width:1080px}
#out.on{display:block;animation:fi .5s both}
@keyframes fi{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.plan{border:1px solid var(--black);background:#fff}
.plan .ph{padding:26px 28px;border-bottom:1px solid var(--black);display:flex;gap:20px;justify-content:space-between;align-items:flex-start;flex-wrap:wrap}
.plan .ph h3{font-family:var(--jpb);font-weight:700;font-size:clamp(18px,2.2vw,24px);line-height:1.6}
.plan .ph p{margin-top:10px;font-size:13.5px;color:var(--g2);line-height:2.1}
.stat{flex:none;font-family:'Barlow';font-size:10.5px;letter-spacing:.14em;border:1px solid var(--black);padding:6px 13px}
.stat.p{background:var(--black);color:#fff}
.ps{display:grid;gap:1px;background:var(--rule)}
@media(min-width:760px){.ps{grid-template-columns:repeat(var(--n,4),1fr)}}
.ps>div{background:#fff;padding:24px 24px 28px;opacity:0;animation:ci .5s both}
.ps>div:nth-child(1){animation-delay:.05s}.ps>div:nth-child(2){animation-delay:.17s}
.ps>div:nth-child(3){animation-delay:.29s}.ps>div:nth-child(4){animation-delay:.41s}
@keyframes ci{from{opacity:0;transform:translateY(9px)}to{opacity:1;transform:none}}
.ps b{font-family:'Barlow';font-size:10.5px;letter-spacing:.16em;color:var(--g1);font-weight:500}
.ps i{font-style:normal;font-family:var(--jpb);font-weight:700;font-size:13.5px;margin-left:9px}
.ps p{margin-top:11px;font-size:14px;line-height:2.05}
.plan dl{border-top:1px solid var(--rule)}
.plan dl>div{display:grid;gap:6px;padding:18px 28px;border-bottom:1px solid var(--rule)}
@media(min-width:620px){.plan dl>div{grid-template-columns:150px 1fr;gap:24px;align-items:baseline}}
.plan dt{font-family:'Barlow';font-size:10.5px;letter-spacing:.14em;color:var(--g1)}
.plan dd{font-size:14px;line-height:2.1}
.tg{display:inline-block;border:1px solid var(--rule);padding:4px 11px;font-size:12.5px;margin:0 6px 6px 0;color:var(--g2)}
.plan .pf{padding:22px 28px;display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.plan .pf small{font-size:12px;color:var(--g1);line-height:1.9;flex:1 1 230px}
.lnk{font-family:'Barlow';font-size:12px;letter-spacing:.13em;background:var(--black);color:#fff;padding:15px 26px;display:inline-flex;gap:10px;align-items:center;border:1px solid var(--black);cursor:pointer}
.lnk:hover{background:#fff;color:var(--black)}
.lnk.o{background:transparent;color:var(--black)}
.lnk.o:hover{background:var(--black);color:#fff}
/* ── 締め ─────── */
.end{background:var(--black);color:#fff;padding:140px 0;position:relative;overflow:hidden}
@media(min-width:900px){.end{padding:190px 0}}
.end .grain{opacity:.2}
.end h2{position:relative;z-index:2;font-family:var(--jpb);font-weight:700;font-size:clamp(25px,4.4vw,56px);line-height:1.5}
.end p{position:relative;z-index:2;margin-top:26px;font-size:14px;color:rgba(255,255,255,.6);line-height:2.2}
.end .lnk{position:relative;z-index:2;margin-top:44px;background:#fff;color:var(--black);border-color:#fff}
.end .lnk:hover{background:transparent;color:#fff}
footer{background:var(--black);color:rgba(255,255,255,.45);padding:0 0 46px;font-family:'Barlow';font-size:10.5px;letter-spacing:.12em}
footer .wrap{display:flex;gap:26px;flex-wrap:wrap;align-items:center;border-top:1px solid var(--rule-d);padding-top:26px}
footer a:hover{color:#fff}
.rv{opacity:0;transform:translateY(22px);transition:opacity .9s cubic-bezier(.16,.8,.3,1),transform .9s cubic-bezier(.16,.8,.3,1)}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}.ps>div{animation:none;opacity:1}.scrollcue s::after{animation:none}}

/* ── 下層ページ共通(2026-10-10) ─────────────────────────── */
.shead{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.93);backdrop-filter:blur(14px);border-bottom:1px solid var(--rule)}
.shead .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:18px}
.slogo{display:block;line-height:1.15}
.slogo b{display:block;font-family:'Barlow';font-weight:700;font-size:18px;letter-spacing:-.01em;color:var(--black)}
.slogo span{display:block;font-family:'Barlow';font-size:9px;letter-spacing:.17em;color:var(--g1);margin-top:2px}
.snav{display:flex;align-items:center;gap:6px}
.snav a{font-family:'Barlow';font-size:11px;letter-spacing:.12em;color:var(--g2);padding:9px 13px}
.snav a:hover{color:var(--black)}
.snav a.sbtn{background:var(--black);color:#fff;border:1px solid var(--black);padding:10px 16px}
.snav a.sbtn:hover{background:#fff;color:var(--black)}
@media(max-width:620px){.snav a:not(.sbtn){display:none}}
.sfoot{background:var(--black);color:rgba(255,255,255,.45);padding:34px 0 46px;font-family:'Barlow';font-size:10.5px;letter-spacing:.12em;margin-top:0}
.sfoot .wrap{display:flex;gap:24px;flex-wrap:wrap;align-items:center}
.sfoot a:hover{color:#fff}
.phead{padding:76px 0 0}
@media(min-width:900px){.phead{padding:104px 0 0}}
.phead h1{font-family:var(--jpb);font-weight:700;font-size:clamp(26px,3.7vw,46px);line-height:1.5;margin-top:36px;letter-spacing:.005em}
.phead p{margin-top:24px;font-size:14px;color:var(--g2);max-width:42em;line-height:2.2}
.pbody{padding:68px 0 110px}
@media(min-width:900px){.pbody{padding:92px 0 150px}}
/* デモ・ツールの枠(旧ブランドを外した後の見え方を整える) */
body.framed{background:#fff}
body.framed main,body.framed .wrap-demo{max-width:1180px;margin:0 auto;padding:46px 24px 90px}
.demo-note{border-top:1px solid var(--rule);margin-top:56px;padding-top:26px;display:flex;gap:18px;flex-wrap:wrap;align-items:center}
.demo-note p{font-size:13px;color:var(--g2);flex:1 1 280px;line-height:2}

/* 旧CSS(lp/v5/v6)の緑を打ち消す(2026-10-10) */
:root,html,body,html.v5,html.v6,body.v6{--accent:#0a0a0a!important;--accent-soft:#f2f2f2!important;--brand:#0a0a0a!important}
.brand-chip{background:#f2f2f2!important;color:var(--g2,#5e5e5e)!important}
.btn.primary{background:#0a0a0a!important;border-color:#0a0a0a!important;color:#fff!important}
.brand-mark,.nav-brand img{display:none!important}
/* デモ・ツールの表はスマホで横スクロール */
/* デモの表は専用の枠(.scroll)で横スクロールさせる */
.scroll{max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
@media(max-width:760px){.panel,.card,.box{max-width:100%}}