/* Sola オーダーメイド開発 LP — solution.sola-air.com
   外部CDN・Webフォント非依存。配色はロゴの2色（空 #90D2F3 / 紺 #073A93）が基準。 */

:root{
  --ink:#050f2c;
  --ink-2:#071a45;
  --navy:#073a93;
  --blue:#2f7fdc;
  --sky:#90d2f3;
  --sky-2:#cfeafa;
  --paper:#f5f8fc;
  --white:#fff;
  --text:#0b1736;
  --muted:#5a6682;
  --line:rgba(7,58,147,.13);
  --line-d:rgba(144,210,243,.16);
  --jp:"Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic UI","Yu Gothic","Noto Sans JP","Meiryo",sans-serif;
  --latin:"Helvetica Neue","Segoe UI",Arial,sans-serif;
  --mono:ui-monospace,"SF Mono","SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
  --wrap:1240px;
  --pad:clamp(20px,4.4vw,56px);
  --ease:cubic-bezier(.2,.7,.1,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;font-family:var(--jp);color:var(--text);background:var(--white);line-height:1.9;font-size:16px;
  font-feature-settings:"palt";-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0;padding:0}
h1,h2,h3,h4,p{line-break:strict;word-break:auto-phrase;text-wrap:pretty}
ul,ol{list-style:none}
::selection{background:var(--sky);color:var(--ink)}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:4px}
.wrap{width:100%;max-width:calc(var(--wrap) + var(--pad)*2);margin:0 auto;padding:0 var(--pad)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.nb{display:inline-block}
/* 文単位の改行：文が行に収まらないときは次の行から始める（スマホ幅では通常の折り返し） */
.s{display:inline-block;max-width:100%}
@media (max-width:720px){.s{display:inline}}

/* ---------- 小さな共通部品 ---------- */
.tag{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--blue);
  display:inline-flex;align-items:center;gap:12px;line-height:1}
.tag::before{content:"";width:28px;height:1px;background:currentColor}
.tag i{font-style:normal;color:var(--muted);letter-spacing:.14em}
.dark .tag{color:var(--sky)}
.dark .tag i{color:rgba(255,255,255,.55)}

.h2{font-size:clamp(28px,4.1vw,54px);line-height:1.34;font-weight:700;letter-spacing:.01em}
.lead{color:var(--muted);font-size:clamp(15px,1.25vw,17px);line-height:2.05;max-width:34em}
.dark .lead{color:rgba(255,255,255,.7)}

.btn{--bg:var(--sky);--fg:var(--ink);position:relative;display:inline-flex;align-items:center;gap:18px;
  padding:0 12px 0 30px;height:64px;border-radius:999px;background:var(--bg);color:var(--fg);
  font-weight:700;font-size:16px;letter-spacing:.06em;overflow:hidden;isolation:isolate;
  transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.btn::before{content:"";position:absolute;inset:0;background:var(--white);transform:translateY(101%);
  transition:transform .55s var(--ease);z-index:-1}
.btn .arr{width:40px;height:40px;border-radius:50%;background:var(--ink);color:var(--white);display:grid;place-items:center;
  flex:none;transition:transform .55s var(--ease)}
.btn .arr svg{width:16px;height:16px}
.btn:hover{transform:translateY(-2px);box-shadow:0 18px 44px -18px rgba(144,210,243,.75)}
.btn:hover::before{transform:none}
.btn:hover .arr{transform:translateX(4px) rotate(-45deg)}
.btn.navy{--bg:var(--navy);--fg:var(--white)}
.btn.navy .arr{background:var(--white);color:var(--navy)}
.btn.navy::before{background:var(--ink)}
.btn.navy:hover{box-shadow:0 18px 44px -18px rgba(7,58,147,.6)}
.btn.sm{height:44px;padding:0 6px 0 20px;font-size:13.5px;gap:12px}
.btn.sm .arr{width:32px;height:32px}
.btn.sm .arr svg{width:13px;height:13px}

.txtlink{display:inline-flex;align-items:center;gap:10px;font-size:14px;letter-spacing:.08em;color:rgba(255,255,255,.78);
  padding:8px 0;border-bottom:1px solid rgba(255,255,255,.25);transition:color .3s,border-color .3s}
.txtlink:hover{color:var(--white);border-color:var(--sky)}
.txtlink svg{width:12px;height:12px}

/* ---------- スクロール表示 ---------- */
.js .rv{opacity:0;transform:translateY(22px);transition:opacity .9s var(--ease) var(--d,0s),transform 1.1s var(--ease) var(--d,0s)}
.js .rv.in{opacity:1;transform:none}

/* ---------- 進捗線 ---------- */
.progress{position:fixed;inset:0 0 auto 0;height:2px;z-index:60;pointer-events:none}
.progress i{display:block;height:100%;width:100%;background:linear-gradient(90deg,var(--sky),var(--blue));
  transform-origin:0 50%;transform:scaleX(var(--sp,0))}

/* ---------- ヘッダー ---------- */
.hd{position:fixed;inset:0 0 auto 0;z-index:50;transition:background .4s,box-shadow .4s,backdrop-filter .4s}
.hd .wrap{display:flex;align-items:center;justify-content:space-between;height:84px;transition:height .4s var(--ease)}
.logo{position:relative;display:block;width:90px;aspect-ratio:287/161;flex:none}
.logo img{position:absolute;inset:0;width:100%;height:100%;transition:opacity .4s}
.logo .l-dark{opacity:0}
.nav{display:flex;align-items:center;gap:clamp(18px,2.6vw,40px)}
.nav a.n{font-size:13.5px;letter-spacing:.1em;color:rgba(255,255,255,.82);position:relative;padding:6px 0;transition:color .3s}
.nav a.n::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:currentColor;transform:scaleX(0);
  transform-origin:100% 50%;transition:transform .45s var(--ease)}
.nav a.n:hover{color:var(--white)}
.nav a.n:hover::after{transform:scaleX(1);transform-origin:0 50%}
.hd.solid{background:rgba(255,255,255,.82);-webkit-backdrop-filter:saturate(1.6) blur(18px);backdrop-filter:saturate(1.6) blur(18px);
  box-shadow:0 1px 0 var(--line)}
.hd.solid .wrap{height:66px}
.hd.solid .logo .l-light{opacity:0}
.hd.solid .logo .l-dark{opacity:1}
.hd.solid .nav a.n{color:var(--text)}
.hd.solid .btn.sm{--bg:var(--navy);--fg:var(--white)}
.hd.solid .btn.sm .arr{background:var(--white);color:var(--navy)}
.hd.solid .btn.sm::before{background:var(--ink)}
@media (max-width:860px){.nav a.n{display:none}.hd .wrap{height:68px}.hd.solid .wrap{height:58px}.logo{width:76px}}

/* ---------- ヒーロー ---------- */
.hero{position:relative;color:var(--white);background:var(--ink);min-height:100vh;min-height:100svh;display:flex;flex-direction:column;
  overflow:hidden;isolation:isolate}
.hero::before{content:"";position:absolute;inset:0;z-index:-3;
  background:
    radial-gradient(900px 620px at 84% 18%,rgba(47,127,220,.42),transparent 62%),
    radial-gradient(700px 520px at 8% 96%,rgba(7,58,147,.6),transparent 65%),
    linear-gradient(180deg,#050f2c 0%,#071a45 100%)}
/* 設計図のグリッド。ポインター付近だけ少し明るくなる */
.grid{position:absolute;inset:0;z-index:-2;pointer-events:none;
  background-image:linear-gradient(var(--line-d) 1px,transparent 1px),linear-gradient(90deg,var(--line-d) 1px,transparent 1px);
  background-size:72px 72px;background-position:center top;
  -webkit-mask-image:radial-gradient(900px 600px at 70% 40%,#000 0%,transparent 78%);mask-image:radial-gradient(900px 600px at 70% 40%,#000 0%,transparent 78%);opacity:.55}
.spot{position:absolute;inset:0;z-index:-1;pointer-events:none;opacity:0;transition:opacity .6s;
  background:radial-gradient(420px 420px at var(--mx,70%) var(--my,40%),rgba(144,210,243,.13),transparent 70%)}
.hero:hover .spot{opacity:1}

.hero-main{flex:1;display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);align-items:center;gap:24px;
  padding-top:108px;padding-bottom:20px}
.hero-copy{position:relative;z-index:2}
.hero h1{margin-top:0;font-size:clamp(31px,5.25vw,70px);line-height:1.24;font-weight:700;letter-spacing:.005em}
.hero h1 .tag{display:flex;font-weight:400;margin-bottom:30px}
.hero h1 .ln{display:block;overflow:hidden;padding-bottom:.08em}
.hero h1 .ln>span{display:block}
.js .hero h1 .ln>span{transform:translateY(110%);animation:rise 1.25s var(--ease) forwards;animation-delay:calc(.15s + var(--i)*.13s)}
.hero h1 em{font-style:normal;color:var(--sky)}
@keyframes rise{to{transform:none}}
.hero-sub{margin-top:30px;max-width:31em;color:rgba(255,255,255,.76);font-size:clamp(15px,1.3vw,17.5px);line-height:2.05}
.hero-cta{margin-top:42px;display:flex;align-items:center;flex-wrap:wrap;gap:22px 34px}
.js .hero .fade{opacity:0;animation:fadeup 1.1s var(--ease) forwards;animation-delay:var(--d,.6s)}
@keyframes fadeup{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}

.hero-fig{position:relative;justify-self:end;width:min(48vw,640px);margin-right:clamp(-56px,-3vw,0px)}
.hero-fig svg{width:100%;height:auto;overflow:visible}
.bp-line{fill:none;stroke:rgba(144,210,243,.5);stroke-width:1.1;stroke-dasharray:var(--len,400);stroke-dashoffset:var(--len,400);
  animation:draw 1.8s var(--ease) forwards;animation-delay:calc(.7s + var(--i,0)*.12s)}
@keyframes draw{to{stroke-dashoffset:0}}
.bp-ring{fill:none;stroke:rgba(144,210,243,.22);stroke-width:1;stroke-dasharray:2 9;transform-origin:300px 300px;animation:spin 90s linear infinite}
.bp-ring.r2{stroke-dasharray:1 14;animation-duration:140s;animation-direction:reverse}
@keyframes spin{to{transform:rotate(360deg)}}
.bp-card rect.c{fill:rgba(8,28,74,.72);stroke:rgba(144,210,243,.42);stroke-width:1}
.bp-card .ic{fill:none;stroke:var(--sky);stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}
.bp-card text.t{font-family:var(--jp);font-size:14.5px;font-weight:600;fill:#fff;letter-spacing:.06em}
.bp-card text.m{font-family:var(--mono);font-size:8.5px;fill:rgba(144,210,243,.85);letter-spacing:.18em}
.bp-card .led{fill:var(--sky);animation:blink 2.8s ease-in-out infinite;animation-delay:calc(var(--i,0)*.5s)}
@keyframes blink{0%,100%{opacity:.25}50%{opacity:1}}
.js .bp-card{opacity:0;animation:cardin 1s var(--ease) forwards;animation-delay:calc(.45s + var(--i,0)*.1s)}
@keyframes cardin{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.bp-core rect{fill:url(#coreg);stroke:var(--sky);stroke-width:1.2}
.bp-core text.t{font-family:var(--jp);font-size:17px;font-weight:700;fill:#fff;letter-spacing:.1em}
.bp-core text.m{font-family:var(--mono);font-size:8.5px;fill:rgba(255,255,255,.75);letter-spacing:.26em}
.bp-halo{fill:none;stroke:var(--sky);stroke-width:1;opacity:0;transform-origin:300px 300px;animation:halo 4.2s ease-out infinite}
.bp-halo.h2{animation-delay:2.1s}
@keyframes halo{0%{opacity:.5;transform:scale(1)}100%{opacity:0;transform:scale(1.9)}}
.bp-pulse{fill:#fff;filter:drop-shadow(0 0 5px #90d2f3)}
.bp-tick{font-family:var(--mono);font-size:8px;fill:rgba(144,210,243,.45);letter-spacing:.2em}

/* 数値の帯（ヒーロー下部の水平線） */
.stats{position:relative;border-top:1px solid var(--line-d)}
.stats::before{content:"";position:absolute;left:0;top:-1px;height:1px;width:100%;
  background:linear-gradient(90deg,transparent,var(--sky) 30%,var(--sky) 70%,transparent);opacity:.6;transform:scaleX(0);
  animation:hline 1.8s var(--ease) 1s forwards}
@keyframes hline{to{transform:scaleX(1)}}
.stats ul{display:grid;grid-template-columns:repeat(3,1fr)}
.stats li{padding:24px clamp(14px,2.4vw,34px) 28px;display:grid;grid-template-columns:auto 1fr;column-gap:18px;row-gap:8px;align-items:baseline;border-left:1px solid var(--line-d)}
.stats li:first-child{border-left:0;padding-left:0}
.stats em{font-style:normal;font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--sky)}
.stats b{font-weight:700;font-size:clamp(19px,2.3vw,30px);line-height:1.4;letter-spacing:.04em}
.stats li>span{grid-column:2;font-size:13px;line-height:1.7;color:rgba(255,255,255,.64);letter-spacing:.04em}

@media (max-width:980px){
  .hero-main{grid-template-columns:1fr;padding-top:108px;gap:8px}
  .hero-fig{justify-self:center;width:min(100%,480px);margin:6px 0 0}
}

/* ---------- セクション共通 ---------- */
.sec{position:relative;padding:clamp(88px,11vw,168px) 0}
.sec.paper{background:var(--paper)}
.sec.dark{background:var(--ink);color:var(--white);overflow:hidden;isolation:isolate}
.sec-hd{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:24px 56px;align-items:end;margin-bottom:clamp(44px,6vw,84px)}
.sec-hd .h2{margin-top:26px}
.sec-no{position:absolute;right:max(var(--pad),calc((100vw - var(--wrap))/2));top:clamp(40px,5vw,72px);font-family:var(--latin);font-weight:200;font-size:clamp(56px,10.5vw,150px);
  line-height:.8;letter-spacing:-.04em;color:transparent;-webkit-text-stroke:1px var(--line);pointer-events:none;user-select:none}
.dark .sec-no{-webkit-text-stroke:1px rgba(144,210,243,.18)}
@media (max-width:860px){.sec-hd{grid-template-columns:1fr}}

/* ---------- 01 特長 ---------- */
.feat{border-top:1px solid var(--line)}
.feat li{display:grid;grid-template-columns:110px minmax(0,1fr) 220px;gap:clamp(18px,4vw,64px);align-items:center;
  padding:clamp(30px,4vw,54px) 0;border-bottom:1px solid var(--line);position:relative}
.feat li::after{content:"";position:absolute;left:0;bottom:-1px;height:1px;width:100%;background:var(--navy);transform:scaleX(0);
  transform-origin:0 50%;transition:transform .9s var(--ease)}
.feat li:hover::after{transform:scaleX(1)}
.feat .no{font-family:var(--latin);font-weight:200;font-size:clamp(40px,5vw,68px);line-height:1;color:var(--navy);letter-spacing:-.03em}
.feat h3{font-size:clamp(20px,2.2vw,28px);line-height:1.5;font-weight:700;letter-spacing:.02em}
.feat p{margin-top:12px;color:var(--muted);font-size:15px;line-height:2;max-width:40em}
.feat figure{justify-self:end;width:100%;max-width:220px}
.feat figure svg{width:100%;height:auto}
.il{fill:none;stroke:var(--navy);stroke-width:1.3;stroke-linecap:round;stroke-linejoin:round}
.il.s{stroke:var(--blue)}
.il.f{fill:var(--sky-2);stroke:none}
.il.dash{stroke-dasharray:3 5}
.feat li:hover .mv{animation:nudge 1.6s var(--ease) infinite}
@keyframes nudge{0%,100%{transform:none}50%{transform:translateX(6px)}}
@media (max-width:860px){
  .feat li{grid-template-columns:64px minmax(0,1fr);align-items:start}
  .feat figure{grid-column:2;justify-self:start;max-width:180px;margin-top:6px}
}

/* ---------- 02 開発実績 ---------- */
.sys{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:22px;overflow:hidden}
.sys li{position:relative;background:var(--paper);padding:30px 28px 30px;min-height:206px;display:flex;flex-direction:column;
  transition:color .5s var(--ease);isolation:isolate;overflow:hidden}
.sys li::before{content:"";position:absolute;inset:0;background:var(--navy);z-index:-1;transform:translateY(101%);transition:transform .6s var(--ease)}
.sys li:hover{color:var(--white)}
.sys li:hover::before{transform:none}
.sys .ix{font-family:var(--mono);font-size:10.5px;letter-spacing:.2em;color:var(--muted);transition:color .5s}
.sys svg{width:34px;height:34px;margin-top:22px;fill:none;stroke:var(--navy);stroke-width:1.35;stroke-linecap:round;stroke-linejoin:round;transition:stroke .5s,transform .6s var(--ease)}
.sys h3{margin-top:auto;padding-top:22px;font-size:16.5px;line-height:1.5;font-weight:700;letter-spacing:.03em}
.sys p{margin-top:6px;font-size:13px;line-height:1.75;color:var(--muted);transition:color .5s}
.sys li:hover .ix,.sys li:hover p{color:rgba(255,255,255,.7)}
.sys li:hover svg{stroke:var(--sky);transform:translateY(-4px)}
.sys li.more{background:var(--navy);color:var(--white)}
.sys li.more::before{background:var(--ink)}
.sys li.more .ix,.sys li.more p{color:rgba(255,255,255,.72)}
.sys li.more svg{stroke:var(--sky)}
.sys li.more a{position:absolute;inset:0}
@media (max-width:1020px){.sys{grid-template-columns:repeat(3,1fr)}}
@media (max-width:720px){
  .sys{grid-template-columns:repeat(2,1fr);border-radius:16px}
  .sys li{padding:20px 16px 22px;min-height:168px}
  .sys svg{width:28px;height:28px;margin-top:14px}
  .sys h3{font-size:14.5px;padding-top:14px}
  .sys p{font-size:12px}
}

/* ---------- 03 開発事例 ---------- */
.cases-bg{position:absolute;inset:0;z-index:-1;
  background:radial-gradient(800px 500px at 12% 0%,rgba(47,127,220,.3),transparent 62%),radial-gradient(700px 500px at 100% 100%,rgba(7,58,147,.55),transparent 65%)}
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.case{position:relative;border:1px solid var(--line-d);border-radius:22px;padding:30px 30px 32px;background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.015));
  display:flex;flex-direction:column;transition:transform .7s var(--ease),border-color .5s,background .5s}
.case:hover{transform:translateY(-6px);border-color:rgba(144,210,243,.55)}
.case .top{display:flex;justify-content:space-between;align-items:center}
.case .ind{font-size:12px;letter-spacing:.16em;padding:5px 14px;border:1px solid rgba(144,210,243,.5);border-radius:999px;color:var(--sky)}
.case .cn{font-family:var(--mono);font-size:10.5px;letter-spacing:.2em;color:rgba(255,255,255,.5)}
.case figure{margin:26px 0 24px;border-top:1px solid var(--line-d);border-bottom:1px solid var(--line-d);padding:20px 0}
.case figure svg{width:100%;height:auto}
.cl{fill:none;stroke:rgba(144,210,243,.8);stroke-width:1.2;stroke-linecap:round;stroke-linejoin:round}
.cl.w{stroke:#fff}
.cl.dim{stroke:rgba(144,210,243,.35);stroke-dasharray:3 5}
.cf{fill:rgba(144,210,243,.16);stroke:none}
.ct{font-family:var(--mono);font-size:8px;letter-spacing:.16em;fill:rgba(255,255,255,.6)}
.case h3{font-size:19px;line-height:1.55;font-weight:700;letter-spacing:.03em}
.case p{margin-top:12px;font-size:14px;line-height:1.95;color:rgba(255,255,255,.7)}
@media (max-width:980px){.cases{grid-template-columns:1fr;max-width:560px}}

/* ---------- クラウド ---------- */
.cap{font-size:12.5px;letter-spacing:.14em;color:var(--muted)}
.clouds{margin-top:14px;display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.clouds li{border-left:1px solid var(--line);padding:26px 10px;text-align:center;font-family:var(--latin);font-weight:300;
  font-size:clamp(17px,2.4vw,30px);letter-spacing:-.01em;color:var(--navy);white-space:nowrap}
.clouds li:first-child{border-left:0}
.clouds li b{font-weight:600}
.svc{margin-top:clamp(40px,5vw,68px)}
.svc-g{display:grid;grid-template-columns:minmax(0,3fr) minmax(0,9fr);gap:20px 40px;padding:clamp(26px,3vw,40px) 0;border-top:1px solid var(--navy)}
.svc-g:last-child{border-bottom:1px solid var(--line)}
.svc-t span{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--blue)}
.svc-t h3{margin-top:8px;font-size:clamp(20px,2.1vw,27px);line-height:1.4;font-weight:700;letter-spacing:.03em}
.svc-g ul{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px clamp(18px,2.6vw,36px)}
.svc-g h4{margin:0;font-size:16px;line-height:1.5;font-weight:700;letter-spacing:.03em;display:flex;align-items:baseline;gap:10px}
.svc-g h4::before{content:"";flex:none;width:7px;height:7px;border-radius:50%;background:var(--sky);box-shadow:0 0 0 1px var(--navy) inset;transform:translateY(-1px)}
.svc-g li p{margin-top:6px;padding-left:17px;font-size:13.5px;line-height:1.85;color:var(--muted)}
@media (max-width:1020px){.svc-g ul{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:760px){.svc-g{grid-template-columns:1fr}}
@media (max-width:620px){
  .clouds{grid-template-columns:1fr}
  .clouds li{border-left:0;border-top:1px solid var(--line);text-align:left;padding:14px 18px;font-size:21px}
  .clouds li:first-child{border-top:0}
  .svc-g ul{grid-template-columns:1fr;gap:20px}
}

/* ---------- 04 開発の流れ ---------- */
.flow{position:relative;margin-top:8px}
.flow .team{display:flex;align-items:center;gap:16px;font-size:13px;letter-spacing:.12em;color:var(--navy);font-weight:600;margin-bottom:30px}
.flow .team::before,.flow .team::after{content:"";height:9px;flex:1;border:1px solid var(--navy);border-bottom:0}
.flow .team::before{border-right:0;border-radius:6px 0 0 0}
.flow .team::after{border-left:0;border-radius:0 6px 0 0}
.steps{position:relative;display:grid;grid-template-columns:repeat(5,1fr)}
.steps::before{content:"";position:absolute;left:0;right:0;top:9px;height:1px;background:var(--line)}
.steps::after{content:"";position:absolute;left:0;right:0;top:8px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--sky),var(--navy));
  transform-origin:0 50%;transform:scaleX(var(--fp,0));transition:transform .25s linear}
.steps li{position:relative;padding:44px 22px 0 0}
.steps li::before{content:"";position:absolute;left:0;top:0;width:19px;height:19px;border-radius:50%;background:var(--white);border:1px solid var(--line);z-index:1;
  transition:border-color .5s,box-shadow .5s,background .5s}
.steps li::after{content:"";position:absolute;left:6px;top:6px;width:7px;height:7px;border-radius:50%;background:var(--navy);z-index:2;transform:scale(0);transition:transform .5s var(--ease)}
.steps li.on::before{border-color:var(--navy);box-shadow:0 0 0 6px rgba(144,210,243,.3)}
.steps li.on::after{transform:none}
.steps .st{font-family:var(--mono);font-size:10.5px;letter-spacing:.2em;color:var(--blue)}
.steps h3{margin-top:10px;font-size:clamp(19px,2vw,25px);font-weight:700;letter-spacing:.06em;line-height:1.4}
.steps p{margin-top:10px;font-size:13.5px;line-height:1.9;color:var(--muted);max-width:15em}
@media (max-width:860px){
  .flow .team{margin-bottom:26px}
  .steps{grid-template-columns:1fr}
  .steps::before{left:9px;right:auto;top:0;bottom:0;width:1px;height:auto}
  .steps::after{left:8px;right:auto;top:0;bottom:0;width:3px;height:auto;transform-origin:50% 0;transform:scaleY(var(--fp,0));
    background:linear-gradient(180deg,var(--sky),var(--navy))}
  .steps li{padding:0 0 34px 44px}
  .steps li:last-child{padding-bottom:0}
  .steps p{max-width:none}
}

/* ---------- お問い合わせ ---------- */
.cta{position:relative;background:var(--ink);color:var(--white);padding:clamp(110px,14vw,210px) 0 clamp(150px,20vw,300px);overflow:hidden;isolation:isolate;text-align:center}
.cta::before{content:"";position:absolute;inset:0;z-index:-2;background:radial-gradient(760px 420px at 50% 0%,rgba(47,127,220,.3),transparent 65%)}
/* 地平線：ロゴの「空と紺の境目」を大きな弧で描く */
.horizon{position:absolute;left:50%;bottom:0;z-index:-1;width:max(1500px,150vw);aspect-ratio:1;border-radius:50%;
  transform:translate(-50%,calc(100% - clamp(92px,13vw,196px)));
  background:radial-gradient(closest-side,#071a45 0%,#06153a 97.2%,#0c2f7a 99%,#90d2f3 99.75%,rgba(144,210,243,0) 100%);
  box-shadow:0 0 140px 12px rgba(144,210,243,.3),0 0 46px 0 rgba(144,210,243,.5)}
.cta .h2{font-size:clamp(30px,5.3vw,74px);line-height:1.3;margin-top:28px}
.cta .h2 em{font-style:normal;color:var(--sky)}
.cta .lead{margin:28px auto 0;text-align:center}
.cta .btn{margin-top:46px;height:76px;font-size:18px;padding:0 14px 0 40px}
.cta .btn .arr{width:48px;height:48px}
.cta .note{margin-top:22px;font-size:12.5px;letter-spacing:.1em;color:rgba(255,255,255,.55)}

/* ---------- フッター ---------- */
.ft{background:var(--ink);color:rgba(255,255,255,.62);font-size:12.5px;letter-spacing:.06em;border-top:1px solid var(--line-d)}
.ft .wrap{display:flex;align-items:center;justify-content:space-between;gap:22px 40px;flex-wrap:wrap;padding-top:34px;padding-bottom:30px}
.ft img{width:72px;height:auto}
.ft-co{margin:0;display:flex;gap:18px clamp(28px,5vw,64px);flex-wrap:wrap}
.ft-co dt{font-size:11px;letter-spacing:.1em;color:rgba(255,255,255,.5)}
.ft-co dd{margin:4px 0 0;font-size:14.5px;letter-spacing:.04em;color:var(--white)}
.ft-co a{border-bottom:1px solid rgba(255,255,255,.25);padding-bottom:2px;transition:border-color .3s}
.ft-co a:hover{border-color:var(--sky)}
.ft .ft-sub{border-top:1px solid var(--line-d);padding-top:20px;padding-bottom:24px}
.ft nav{display:flex;gap:10px 26px;flex-wrap:wrap}
.ft a{transition:color .3s}
.ft a:hover{color:var(--white)}
.ft small{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em}

/* ---------- スマホ下部の相談ボタン ---------- */
.dock{position:fixed;left:12px;right:12px;bottom:calc(12px + env(safe-area-inset-bottom,0px));z-index:40;display:none;
  transform:translateY(140%);transition:transform .6s var(--ease)}
.dock.show{transform:none}
.dock .btn{width:100%;justify-content:space-between;height:58px;--bg:var(--navy);--fg:var(--white);box-shadow:0 14px 40px -12px rgba(5,15,44,.55)}
.dock .btn .arr{background:var(--white);color:var(--navy)}
@media (max-width:720px){.dock{display:block}.ft{padding-bottom:84px}}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001s!important;animation-delay:0s!important;animation-iteration-count:1!important;transition-duration:.001s!important}
  .js .rv{opacity:1;transform:none}
  .bp-halo{display:none}
}

@media (max-width:520px){
  .tag{font-size:10px;letter-spacing:.14em;gap:8px;white-space:nowrap}
  .tag::before{width:16px}
  .tag i{letter-spacing:.08em}
}

@media (max-width:760px){
  .stats ul{grid-template-columns:1fr}
  .stats li{border-left:0;border-top:1px solid var(--line-d);padding:18px 0 20px}
  .stats li:first-child{border-top:0}
}

@media (max-width:520px){.hero h1 .tag .en{display:none}.hero h1 .tag i{color:var(--sky)}}

/* ---------- 言語切り替えと英語版の組版 ---------- */
.nav a.lang{font-family:var(--mono);font-size:11.5px;letter-spacing:.16em;padding:6px 10px;border:1px solid rgba(255,255,255,.3);border-radius:999px}
.nav a.lang::after{display:none}
.hd.solid .nav a.lang{border-color:var(--line)}
@media (max-width:860px){.nav a.lang{display:inline-block}.nav{gap:12px}}
html[lang="en"] body{font-family:var(--latin);line-height:1.75;font-feature-settings:normal}
html[lang="en"] h1,html[lang="en"] h2,html[lang="en"] h3,html[lang="en"] h4,html[lang="en"] p{word-break:normal}
html[lang="en"] .hero h1{letter-spacing:-.025em;line-height:1.08;font-size:clamp(34px,5.4vw,74px)}
html[lang="en"] .h2{letter-spacing:-.022em;line-height:1.14}
html[lang="en"] .lead,html[lang="en"] .hero-sub{line-height:1.8}
html[lang="en"] .nav a.n{letter-spacing:.04em}
html[lang="en"] .btn{letter-spacing:.01em}
html[lang="en"] .stats b{letter-spacing:-.01em}
html[lang="en"] .stats li>span,html[lang="en"] .sys p,html[lang="en"] .svc-g li p,html[lang="en"] .steps p,html[lang="en"] .case p,html[lang="en"] .feat p{letter-spacing:0;line-height:1.65}
html[lang="en"] .feat h3,html[lang="en"] .sys h3,html[lang="en"] .case h3,html[lang="en"] .svc-g h4,html[lang="en"] .svc-t h3,html[lang="en"] .steps h3{letter-spacing:-.005em}
html[lang="en"] .flow .team,html[lang="en"] .cap,html[lang="en"] .case .ind,html[lang="en"] .cta .note,html[lang="en"] .ft-co dt{letter-spacing:.04em}
html[lang="en"] .bp-card text.t{font-family:var(--latin);font-size:13.5px;letter-spacing:.01em}
html[lang="en"] .bp-core text.t{font-family:var(--latin);font-size:14.5px;letter-spacing:.01em}
html[lang="en"] .steps p{max-width:17em}
html[lang="en"] .s,html[lang="en"] .nb{display:inline}
html[lang="en"] .tag i{display:none}
html[lang="en"] .hero h1 .tag .en{display:none}
html[lang="en"] .hero h1 .tag i{display:inline;color:var(--sky);letter-spacing:.2em}