/* ============================================================
   063 〇〇精密 — Precision Sheet Metal / CAD Blueprint
   ヒーロー: 図面風グリッド / カラー: 純白×シルバー×チャコール×図面ブルー
   フォント: IBM Plex Sans × IBM Plex Mono × Inter
   アニメ: clip-path 切り出し
   ============================================================ */

*{margin:0;padding:0;box-sizing:border-box}
html,body{overflow-x:hidden}

:root{
  --bg:#ffffff;
  --bg-2:#f6f7f9;
  --bg-3:#eceef2;
  --silver:#c5cdd3;
  --silver-d:#9aa4ad;
  --ink:#2a2f36;
  --ink-2:#1c2027;
  --gray:#5a6470;
  --gray-l:#8a939e;
  --blueprint:#1a3a5c;
  --blueprint-l:#2c5688;
  --grid-line:rgba(26,58,92,.07);
  --grid-line-strong:rgba(26,58,92,.16);
  --line:rgba(42,47,54,.10);
  --line-2:rgba(42,47,54,.18);
}

body{
  background:var(--bg);
  color:var(--ink);
  font-family:'IBM Plex Sans','Inter','Noto Sans JP',sans-serif;
  font-size:15px;line-height:1.7;
  -webkit-font-smoothing:antialiased;font-weight:400;
  font-feature-settings:"palt";
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:1320px;margin:0 auto;padding:0 32px}
.mono{font-family:'IBM Plex Mono','SFMono-Regular',monospace}

/* ===== Reveal (clip-path 切り出しアニメ) ===== */
/* 初期状態を「表示」にしてJS依存を排除（PC文字非表示バグ対策） */
.reveal{
  opacity:1;
  clip-path:inset(0 0 0 0);
  transform:translateY(0);
  transition:opacity .9s cubic-bezier(.2,.7,.2,1), clip-path 1.05s cubic-bezier(.2,.7,.2,1);
}
.reveal.show{
  opacity:1;
  clip-path:inset(0 0 0 0);
}
.reveal-up{opacity:1;transform:translateY(0);transition:opacity .8s ease,transform .8s ease}
.reveal-up.show{opacity:1;transform:translateY(0)}

/* ===== DEMO BAR ===== */
#demo-bar{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(28,32,39,.97);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,.06);
  padding:7px 0;
}
.demo-bar-inner{
  display:flex;align-items:center;justify-content:center;gap:10px;
  font-size:0.7rem;color:rgba(255,255,255,.36);
  font-family:'IBM Plex Mono',monospace;letter-spacing:.04em;
}
.demo-badge{
  font-size:0.54rem;font-weight:700;letter-spacing:.2em;text-transform:uppercase;
  background:rgba(140,180,220,.15);color:#8cb4dc;
  padding:3px 10px;flex-shrink:0;border:1px solid rgba(140,180,220,.25);
}
.demo-link{color:#8cb4dc;font-weight:700;text-decoration:underline;text-underline-offset:2px}
.demo-copy{color:rgba(255,255,255,.18);font-size:.62rem;margin-left:4px}
@media(max-width:640px){.demo-copy{display:none}}

/* ===== Header — 左寄せロゴ＋右寄せメニュー ===== */
.site-header{
  position:fixed;top:34px;left:0;right:0;z-index:100;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .3s;
}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 40px;max-width:1600px;margin:0 auto;
}
.logo{
  display:flex;align-items:center;gap:14px;
  font-family:'IBM Plex Sans',sans-serif;font-weight:600;
  font-size:18px;letter-spacing:-.005em;color:var(--ink);
}
.logo-mark{
  width:28px;height:28px;position:relative;
  border:1.5px solid var(--blueprint);
  display:flex;align-items:center;justify-content:center;
}
.logo-mark::before{
  content:"";position:absolute;inset:5px;
  border:1px solid var(--blueprint);
  background:rgba(26,58,92,.04);
}
.logo-mark::after{
  content:"";position:absolute;width:6px;height:6px;
  background:var(--blueprint);border-radius:50%;
}
.logo-jp{font-size:11px;color:var(--gray-l);font-weight:400;letter-spacing:.08em;display:block;margin-top:2px}
.logo-text{display:flex;flex-direction:column;line-height:1.1}

.header-nav{display:flex;align-items:center;gap:8px}
.nav-list{display:flex;gap:4px;list-style:none}
.nav-list a{
  font-family:'IBM Plex Sans',sans-serif;font-size:13px;font-weight:500;
  color:var(--ink);letter-spacing:.04em;
  padding:8px 16px;position:relative;transition:color .25s;
}
.nav-list a::before{
  content:"";position:absolute;left:16px;right:16px;bottom:4px;
  height:1px;background:var(--blueprint);
  transform:scaleX(0);transform-origin:left;transition:transform .35s ease;
}
.nav-list a:hover{color:var(--blueprint)}
.nav-list a:hover::before{transform:scaleX(1)}
.nav-list a.has-dropdown::after{
  content:"▾";font-size:9px;margin-left:6px;color:var(--gray-l);
}
.nav-dropdown{
  position:absolute;top:100%;left:0;
  background:#fff;border:1px solid var(--line);
  min-width:240px;padding:12px 0;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:all .25s ease;
  box-shadow:0 12px 40px rgba(26,58,92,.08);
}
.has-dropdown-wrap{position:relative}
.has-dropdown-wrap:hover .nav-dropdown{
  opacity:1;visibility:visible;transform:translateY(0);
}
.nav-dropdown a{
  display:block;padding:10px 22px;font-size:12.5px;
}
.nav-dropdown a:hover{background:var(--bg-2);color:var(--blueprint)}
.nav-dropdown .mono{
  display:block;font-size:9.5px;letter-spacing:.18em;
  color:var(--gray-l);text-transform:uppercase;margin-bottom:2px;
}

.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  margin-left:18px;padding:11px 22px;
  background:var(--ink);color:#fff;
  font-family:'IBM Plex Mono',monospace;font-size:11px;
  font-weight:500;letter-spacing:.16em;text-transform:uppercase;
  transition:background .25s;
}
.nav-cta:hover{background:var(--blueprint)}
.nav-cta::after{content:"→";font-size:12px}

.mobile-toggle{
  display:none;background:none;border:1px solid var(--line-2);
  width:42px;height:42px;cursor:pointer;color:var(--ink);
  position:relative;
}
.mobile-toggle span{
  position:absolute;left:11px;right:11px;height:1.5px;background:var(--ink);
  transition:all .3s;
}
.mobile-toggle span:nth-child(1){top:14px}
.mobile-toggle span:nth-child(2){top:20px}
.mobile-toggle span:nth-child(3){top:26px}
.site-header.menu-active .mobile-toggle span:nth-child(1){top:20px;transform:rotate(45deg)}
.site-header.menu-active .mobile-toggle span:nth-child(2){opacity:0}
.site-header.menu-active .mobile-toggle span:nth-child(3){top:20px;transform:rotate(-45deg)}

@media(max-width:980px){
  .header-nav{
    position:fixed;inset:0;
    background:#ffffff;
    z-index:1000;display:none;
    flex-direction:column;justify-content:center;align-items:center;
    gap:24px;padding:80px 32px;
  }
  .header-nav.is-open{display:flex}
  .nav-list{flex-direction:column;gap:0;width:100%;max-width:380px}
  .nav-list li{width:100%;border-bottom:1px solid var(--line)}
  .nav-list a{
    font-size:18px;padding:18px 0;display:block;text-align:center;
  }
  .nav-cta{margin:24px 0 0}
  .mobile-toggle{display:block;z-index:1100;position:relative}
  .nav-dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;padding:0;background:transparent}
  .nav-dropdown a{padding:10px 0;font-size:13px;text-align:center}
  .site-header,
  .site-header.is-scrolled,
  .site-header.menu-active{
    backdrop-filter:none !important;
    -webkit-backdrop-filter:none !important;
  }
  .site-header.menu-active{
    background:#ffffff !important;
  }
}

/* ===== HERO — 図面風グリッド ===== */
.hero{
  position:relative;min-height:100vh;
  padding:160px 0 100px;
  display:flex;align-items:center;
  background:#ffffff;
  overflow:hidden;
}
.hero::before{
  /* CADブループリント風グリッド */
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(var(--grid-line) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid-line) 1px,transparent 1px),
    linear-gradient(var(--grid-line-strong) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid-line-strong) 1px,transparent 1px);
  background-size:32px 32px,32px 32px,160px 160px,160px 160px;
  background-position:-1px -1px,-1px -1px,-1px -1px,-1px -1px;
  pointer-events:none;
  mask-image:radial-gradient(ellipse at center,#000 50%,transparent 100%);
  -webkit-mask-image:radial-gradient(ellipse at center,#000 50%,transparent 100%);
}
.hero::after{
  /* 図面*/
  content:"";position:absolute;inset:120px 60px 80px;
  border:1px solid var(--grid-line-strong);
  pointer-events:none;
}
.hero .container{position:relative;z-index:3}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:22px;
  font-family:'IBM Plex Mono',monospace;font-size:11px;
  letter-spacing:.18em;color:var(--blueprint);
  margin-bottom:36px;text-transform:uppercase;
  padding-bottom:14px;border-bottom:1px solid var(--blueprint);
  max-width:680px;
}
.hero-meta b{color:var(--ink);font-weight:600}
.hero-meta-id{
  margin-left:auto;color:var(--gray-l);
  font-size:10px;
}
.hero-grid{
  display:grid;grid-template-columns:1fr;gap:48px;
  align-items:center;
}

.hero-headline h1{
  font-family:'IBM Plex Sans',sans-serif;
  font-size:clamp(40px,7.4vw,98px);
  line-height:1.0;letter-spacing:-.025em;
  color:var(--ink);font-weight:600;margin-bottom:28px;
}
.hero-headline h1 em{
  font-style:normal;color:var(--blueprint);
  display:inline-block;position:relative;
}
.hero-headline h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:-6px;
  height:2px;background:var(--blueprint);
}
.hero-headline h1 .jp{
  display:block;
  font-family:'IBM Plex Sans','Noto Sans JP',sans-serif;
  font-size:clamp(15px,1.7vw,22px);
  font-weight:400;letter-spacing:.04em;color:var(--gray);
  margin-top:22px;line-height:1.6;
}
.hero-lead{
  font-size:clamp(14.5px,1.2vw,16.5px);
  color:var(--gray);max-width:580px;
  margin-bottom:48px;line-height:1.95;
}

/* 寸法ライン — 数値スペック */
.hero-specs{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:0;margin-top:64px;
  border-top:1px solid var(--line-2);
  border-bottom:1px solid var(--line-2);
}
.hero-spec{
  padding:24px 18px;
  border-right:1px solid var(--line);
  position:relative;
}
.hero-spec:last-child{border-right:none}
.hero-spec::before{
  content:"";position:absolute;left:0;top:0;
  width:1px;height:8px;background:var(--blueprint);
}
.hero-spec::after{
  content:"";position:absolute;right:0;top:0;
  width:1px;height:8px;background:var(--blueprint);
}
.hero-spec:last-child::after{display:none}
.hero-spec-label{
  font-family:'IBM Plex Mono',monospace;font-size:10px;
  letter-spacing:.2em;color:var(--gray-l);
  text-transform:uppercase;margin-bottom:10px;
}
.hero-spec-value{
  font-family:'IBM Plex Sans',sans-serif;font-weight:600;
  font-size:clamp(20px,2.5vw,28px);color:var(--ink);
  letter-spacing:-.01em;line-height:1.1;
}
.hero-spec-value sup{
  font-size:.55em;color:var(--blueprint);
  margin-left:3px;font-weight:500;
}
.hero-spec-unit{
  font-family:'IBM Plex Mono',monospace;font-size:10.5px;
  color:var(--gray);margin-top:4px;letter-spacing:.06em;
}

.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:0}

/* セクションナビ風 — 仕様目次 */
.hero-toc{
  position:absolute;left:0;right:0;bottom:0;
  border-top:1px solid var(--line-2);
  background:#fff;z-index:5;
}
.hero-toc-inner{
  display:grid;grid-template-columns:repeat(4,1fr);
  max-width:1320px;margin:0 auto;
}
.hero-toc-item{
  padding:18px 24px;border-right:1px solid var(--line);
  font-family:'IBM Plex Mono',monospace;font-size:11px;
  letter-spacing:.16em;text-transform:uppercase;
  color:var(--gray);transition:all .25s;
  display:flex;align-items:center;gap:10px;
}
.hero-toc-item:last-child{border-right:none}
.hero-toc-item::before{
  content:"";width:6px;height:6px;background:var(--silver);
  transform:rotate(45deg);
}
.hero-toc-item:hover{color:var(--blueprint);background:var(--bg-2)}
.hero-toc-item:hover::before{background:var(--blueprint)}

@media(max-width:980px){
  .hero{padding:140px 0 60px;min-height:auto}
  .hero::after{inset:80px 20px 40px}
  .hero-specs{grid-template-columns:repeat(2,1fr)}
  .hero-spec:nth-child(2){border-right:none}
  .hero-spec:nth-child(1),.hero-spec:nth-child(2){border-bottom:1px solid var(--line)}
  .hero-toc{position:relative;margin-top:40px}
  .hero-toc-inner{grid-template-columns:repeat(2,1fr)}
  .hero-toc-item:nth-child(2){border-right:none}
  .hero-toc-item{border-bottom:1px solid var(--line)}
  .hero-meta{font-size:10px;gap:12px}
  .hero-meta-id{display:none}
}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:16px 32px;
  font-family:'IBM Plex Mono',monospace;font-size:12px;
  font-weight:500;letter-spacing:.16em;text-transform:uppercase;
  transition:all .25s;cursor:pointer;border:none;
}
.btn-primary{background:var(--blueprint);color:#fff}
.btn-primary:hover{background:var(--ink)}
.btn-outline{
  background:transparent;color:var(--ink);
  border:1px solid var(--ink);
}
.btn-outline:hover{background:var(--ink);color:#fff}
.btn::after{content:"→";font-family:'IBM Plex Sans',sans-serif;font-size:14px}

/* ===== Section common ===== */
.sec-tag{
  display:inline-flex;align-items:center;gap:10px;
  font-family:'IBM Plex Mono',monospace;font-size:11px;
  letter-spacing:.28em;color:var(--blueprint);
  text-transform:uppercase;margin-bottom:18px;font-weight:500;
}
.sec-tag::before{
  content:"";width:24px;height:1px;background:var(--blueprint);
}
.sec-title{
  font-family:'IBM Plex Sans',sans-serif;
  font-size:clamp(32px,4.6vw,58px);line-height:1.1;
  color:var(--ink);font-weight:600;letter-spacing:-.018em;
  margin-bottom:22px;
}
.sec-title em{color:var(--blueprint);font-style:normal}
.sec-title .jp{
  display:block;font-family:'IBM Plex Sans','Noto Sans JP',sans-serif;
  font-size:clamp(13px,1.4vw,17px);font-weight:400;
  letter-spacing:.04em;color:var(--gray);
  margin-top:14px;line-height:1.55;
}
.sec-lead{color:var(--gray);font-size:15px;line-height:1.95;max-width:680px}
.sec-header{margin-bottom:64px}

/* ===== ABOUT ===== */
.about-section{
  padding:130px 0;background:var(--bg);
  position:relative;border-top:1px solid var(--line);
}
.about-grid{
  display:grid;grid-template-columns:1.1fr 1fr;gap:80px;align-items:start;
}
.about-text p{margin-bottom:18px;color:var(--ink);font-size:15.5px;line-height:1.95}
.about-data{
  display:grid;grid-template-columns:repeat(3,1fr);gap:0;
  margin-top:48px;border-top:1px solid var(--line);
}
.about-data-item{
  padding:28px 18px 0 0;border-right:1px solid var(--line);
  position:relative;
}
.about-data-item:last-child{border-right:none}
.about-data-num{
  font-family:'IBM Plex Sans',sans-serif;font-size:42px;
  font-weight:600;color:var(--ink);letter-spacing:-.02em;line-height:1;
}
.about-data-num em{
  font-size:14px;color:var(--blueprint);font-style:normal;
  margin-left:4px;font-family:'IBM Plex Mono',monospace;font-weight:500;
}
.about-data-label{
  font-family:'IBM Plex Mono',monospace;font-size:10.5px;
  letter-spacing:.18em;color:var(--gray-l);
  margin-top:10px;text-transform:uppercase;
}

.about-visual{
  aspect-ratio:4/5;
  background:url("../images/about.jpg") center/cover var(--bg-3);
  position:relative;
}
.about-visual::before{
  /* 図面風コーナーマーク */
  content:"";position:absolute;
  top:-10px;left:-10px;width:32px;height:32px;
  border-top:1.5px solid var(--blueprint);
  border-left:1.5px solid var(--blueprint);
}
.about-visual::after{
  content:"";position:absolute;
  bottom:-10px;right:-10px;width:32px;height:32px;
  border-bottom:1.5px solid var(--blueprint);
  border-right:1.5px solid var(--blueprint);
}
.about-visual-cap{
  position:absolute;left:0;bottom:-32px;
  font-family:'IBM Plex Mono',monospace;font-size:10px;
  letter-spacing:.16em;color:var(--gray-l);text-transform:uppercase;
}

@media(max-width:900px){
  .about-section{padding:80px 0}
  .about-grid{grid-template-columns:1fr;gap:48px}
  .about-data{grid-template-columns:repeat(2,1fr)}
  .about-data-item:nth-child(2){border-right:none}
  .about-data-item:nth-child(3){border-right:none;border-top:1px solid var(--line);padding-top:28px;margin-top:28px}
  .about-data-num{font-size:32px}
}

/* ===== SERVICE — テクニカルカタログ ===== */
.service-section{padding:130px 0;background:var(--bg-2);position:relative}
.service-section::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(var(--grid-line) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);
  background-size:48px 48px;pointer-events:none;opacity:.6;
}
.service-section .container{position:relative;z-index:2}
.service-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:0;margin-top:64px;
  border-top:1px solid var(--line-2);
  border-left:1px solid var(--line-2);
  background:#fff;
}
.service-card{
  padding:40px 36px;
  border-right:1px solid var(--line-2);
  border-bottom:1px solid var(--line-2);
  background:#fff;transition:all .35s;position:relative;
  display:flex;flex-direction:column;
}
.service-card:hover{background:var(--bg);transform:translateY(0)}
.service-card .num{
  font-family:'IBM Plex Mono',monospace;font-size:11px;
  letter-spacing:.2em;color:var(--blueprint);
  margin-bottom:24px;font-weight:500;text-transform:uppercase;
  display:flex;align-items:center;gap:10px;
}
.service-card .num::after{
  content:"";flex:1;height:1px;background:var(--line);
}
.service-card h3{
  font-family:'IBM Plex Sans',sans-serif;font-size:22px;
  color:var(--ink);margin-bottom:8px;font-weight:600;
  letter-spacing:-.01em;line-height:1.3;
}
.service-card h3 .jp{
  display:block;font-family:'IBM Plex Sans','Noto Sans JP',sans-serif;
  font-size:12px;font-weight:400;color:var(--gray-l);
  margin-top:6px;letter-spacing:.04em;
}
.service-card p{
  color:var(--gray);font-size:13.5px;line-height:1.85;
  margin:18px 0 24px;
}
.service-spec-list{
  list-style:none;border-top:1px solid var(--line);
  padding-top:18px;margin-top:auto;
}
.service-spec-list li{
  display:flex;justify-content:space-between;
  padding:6px 0;font-family:'IBM Plex Mono',monospace;
  font-size:11px;color:var(--gray);letter-spacing:.04em;
}
.service-spec-list li b{color:var(--ink);font-weight:500}

@media(max-width:900px){
  .service-section{padding:80px 0}
  .service-grid{grid-template-columns:1fr}
}

/* ===== PROCESS（工程フロー） ===== */
.process-section{padding:130px 0;background:var(--bg)}
.process-list{
  display:grid;grid-template-columns:repeat(5,1fr);gap:0;
  margin-top:48px;border-top:1px solid var(--line);
}
.process-step{
  padding:36px 22px 28px;border-right:1px solid var(--line);
  position:relative;
}
.process-step:last-child{border-right:none}
.process-step::before{
  content:"";position:absolute;top:0;left:0;
  width:24px;height:1.5px;background:var(--blueprint);
}
.process-step .num{
  font-family:'IBM Plex Mono',monospace;font-size:11px;
  letter-spacing:.18em;color:var(--blueprint);
  margin-bottom:16px;font-weight:500;
}
.process-step h4{
  font-family:'IBM Plex Sans',sans-serif;font-size:17px;
  color:var(--ink);margin-bottom:12px;font-weight:600;
}
.process-step p{font-size:13px;color:var(--gray);line-height:1.85}

@media(max-width:900px){
  .process-section{padding:80px 0}
  .process-list{grid-template-columns:repeat(2,1fr)}
  .process-step{border-bottom:1px solid var(--line)}
  .process-step:nth-child(2n){border-right:none}
}

/* ===== WORKS — テクニカルカード ===== */
.works-section{padding:130px 0;background:var(--bg-3);position:relative}
.works-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(330px,1fr));
  gap:32px;margin-top:48px;
}
.works-item{
  background:#fff;overflow:hidden;
  border:1px solid var(--line);transition:all .35s;
  position:relative;
}
.works-item::before{
  content:"";position:absolute;top:0;left:0;
  width:32px;height:32px;
  border-top:1.5px solid var(--blueprint);
  border-left:1.5px solid var(--blueprint);
  z-index:2;
}
.works-item:hover{transform:translateY(-4px);box-shadow:0 18px 50px rgba(26,58,92,.10)}
.works-img{
  aspect-ratio:4/3;
  background:url("../images/works-01.jpg") center/cover var(--silver);
  position:relative;
}
.works-img::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 70%,rgba(28,32,39,.18));
}
.works-info{padding:24px 28px 28px}
.works-info .meta{
  display:flex;justify-content:space-between;
  font-family:'IBM Plex Mono',monospace;font-size:10.5px;
  letter-spacing:.18em;color:var(--gray-l);
  margin-bottom:12px;font-weight:500;text-transform:uppercase;
  padding-bottom:10px;border-bottom:1px solid var(--line);
}
.works-info .meta b{color:var(--blueprint);font-weight:500}
.works-info h4{
  font-family:'IBM Plex Sans',sans-serif;font-size:18px;
  color:var(--ink);font-weight:600;margin-bottom:10px;line-height:1.4;
}
.works-info p{font-size:13.5px;color:var(--gray);line-height:1.85}
.works-spec{
  display:flex;gap:16px;margin-top:16px;
  font-family:'IBM Plex Mono',monospace;font-size:10.5px;
  color:var(--gray);
}
.works-spec span{padding:4px 10px;background:var(--bg-2);letter-spacing:.04em}

@media(max-width:900px){
  .works-section{padding:80px 0}
  .works-grid{grid-template-columns:1fr}
}

/* ===== NEWS ===== */
.news-section{padding:120px 0;background:var(--bg)}
.news-list{max-width:920px;margin:48px auto 0}
.news-item{
  display:grid;grid-template-columns:120px 100px 1fr auto;gap:24px;
  align-items:center;padding:22px 0;
  border-bottom:1px solid var(--line);transition:all .25s;
}
.news-item:hover{padding-left:14px;color:var(--blueprint)}
.news-date{
  font-family:'IBM Plex Mono',monospace;font-size:12px;
  color:var(--gray-l);letter-spacing:.06em;
}
.news-cat{
  font-family:'IBM Plex Mono',monospace;font-size:10px;
  letter-spacing:.18em;color:var(--blueprint);
  text-transform:uppercase;border:1px solid var(--blueprint);
  padding:4px 10px;text-align:center;
}
.news-title{
  font-family:'IBM Plex Sans',sans-serif;font-size:15px;
  color:var(--ink);font-weight:500;line-height:1.55;
}
.news-arrow{color:var(--gray-l);transition:transform .25s}
.news-item:hover .news-arrow{transform:translateX(4px);color:var(--blueprint)}

@media(max-width:780px){
  .news-section{padding:80px 0}
  .news-item{grid-template-columns:90px 1fr;gap:14px}
  .news-cat,.news-arrow{display:none}
}

/* ===== CTA ===== */
.cta-section{
  padding:120px 0;background:var(--ink);color:#fff;
  position:relative;overflow:hidden;
}
.cta-section::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:48px 48px;
}
.cta-section .container{position:relative;z-index:2;text-align:center}
.cta-section .sec-tag{color:#8cb4dc}
.cta-section .sec-tag::before{background:#8cb4dc}
.cta-section h2{
  font-family:'IBM Plex Sans',sans-serif;font-size:clamp(36px,5vw,64px);
  color:#fff;font-weight:600;letter-spacing:-.018em;
  line-height:1.15;margin:18px auto 22px;max-width:880px;
}
.cta-section h2 em{color:#8cb4dc;font-style:normal}
.cta-section p{
  color:rgba(255,255,255,.65);max-width:580px;
  margin:0 auto 40px;font-size:15px;line-height:1.95;
}
.cta-buttons{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cta-section .btn-primary{background:#fff;color:var(--ink)}
.cta-section .btn-primary:hover{background:#8cb4dc;color:var(--ink)}
.cta-section .btn-outline{color:#fff;border-color:rgba(255,255,255,.32)}
.cta-section .btn-outline:hover{background:rgba(255,255,255,.06);border-color:#fff}

/* ===== Footer ===== */
.site-footer{
  background:var(--ink-2);color:rgba(255,255,255,.6);
  padding:72px 0 28px;font-size:13px;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:48px;margin-bottom:48px;
}
.footer-brand .logo{color:#fff;margin-bottom:18px}
.footer-brand .logo-mark{border-color:#8cb4dc}
.footer-brand .logo-mark::before{border-color:#8cb4dc;background:rgba(140,180,220,.06)}
.footer-brand .logo-mark::after{background:#8cb4dc}
.footer-brand p{color:rgba(255,255,255,.45);font-size:13px;line-height:1.85}
.footer-col h5{
  font-family:'IBM Plex Mono',monospace;font-size:10.5px;
  letter-spacing:.22em;color:rgba(255,255,255,.4);
  text-transform:uppercase;margin-bottom:18px;font-weight:500;
}
.footer-col ul{list-style:none}
.footer-col li{padding:6px 0}
.footer-col a{color:rgba(255,255,255,.7);transition:color .2s;font-size:13px}
.footer-col a:hover{color:#8cb4dc}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding-top:24px;display:flex;justify-content:space-between;
  flex-wrap:wrap;gap:16px;
  font-family:'IBM Plex Mono',monospace;font-size:11px;
  letter-spacing:.08em;color:rgba(255,255,255,.35);
}
.footer-bottom a{color:rgba(255,255,255,.55)}

@media(max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1/-1}
}

/* ===== Page Header（下層共通） ===== */
.page-header{
  padding:200px 0 80px;background:var(--bg);
  position:relative;border-bottom:1px solid var(--line);
}
.page-header::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(var(--grid-line) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);
  background-size:32px 32px;pointer-events:none;
  mask-image:linear-gradient(180deg,#000 30%,transparent);
  -webkit-mask-image:linear-gradient(180deg,#000 30%,transparent);
}
.page-header .container{position:relative;z-index:2}
.breadcrumb{
  font-family:'IBM Plex Mono',monospace;font-size:11px;
  letter-spacing:.16em;color:var(--gray-l);
  margin-bottom:32px;text-transform:uppercase;
}
.breadcrumb a{color:var(--blueprint);text-decoration:underline;text-underline-offset:2px}
.breadcrumb span{margin:0 12px;color:var(--silver)}
.page-title{
  font-family:'IBM Plex Sans',sans-serif;font-size:clamp(38px,6vw,76px);
  color:var(--ink);font-weight:600;letter-spacing:-.022em;line-height:1.0;
}
.page-title em{color:var(--blueprint);font-style:normal}
.page-title .jp{
  display:block;font-family:'IBM Plex Sans','Noto Sans JP',sans-serif;
  font-size:clamp(14px,1.5vw,18px);font-weight:400;
  color:var(--gray);margin-top:18px;letter-spacing:.04em;
}

/* ===== About — 沿革 ===== */
.timeline-section{padding:120px 0;background:var(--bg)}
.timeline{max-width:880px;margin:0 auto;position:relative}
.timeline::before{
  content:"";position:absolute;left:130px;top:0;bottom:0;
  width:1px;background:var(--line-2);
}
.timeline-item{
  display:grid;grid-template-columns:130px 1fr;gap:48px;
  padding:24px 0;position:relative;
}
.timeline-item::before{
  content:"";position:absolute;left:124px;top:32px;
  width:13px;height:13px;background:#fff;border:2px solid var(--blueprint);
  border-radius:50%;
}
.timeline-year{
  font-family:'IBM Plex Mono',monospace;font-size:14px;
  color:var(--blueprint);font-weight:500;letter-spacing:.06em;
  padding-top:24px;
}
.timeline-content{padding:24px 0 24px 24px}
.timeline-content h4{
  font-family:'IBM Plex Sans',sans-serif;font-size:17px;
  color:var(--ink);font-weight:600;margin-bottom:8px;
}
.timeline-content p{font-size:14px;color:var(--gray);line-height:1.8}

@media(max-width:780px){
  .timeline-section{padding:60px 0}
  .timeline::before{left:50px}
  .timeline-item{grid-template-columns:60px 1fr;gap:24px}
  .timeline-item::before{left:44px}
}

/* ===== Company info table ===== */
.company-table{
  width:100%;border-collapse:collapse;
  font-size:14.5px;margin-top:20px;
}
.company-table tr{border-bottom:1px solid var(--line)}
.company-table th,.company-table td{
  padding:18px 20px;text-align:left;vertical-align:top;
}
.company-table th{
  width:200px;font-family:'IBM Plex Mono',monospace;
  font-size:11px;letter-spacing:.16em;color:var(--gray-l);
  font-weight:500;text-transform:uppercase;
}
.company-table td{color:var(--ink)}

/* ===== Recruit ===== */
.recruit-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px;margin-top:48px}
.recruit-card{
  background:#fff;padding:40px 36px;
  border:1px solid var(--line);transition:all .3s;
  position:relative;
}
.recruit-card:hover{border-color:var(--blueprint);transform:translateY(-4px)}
.recruit-card .badge{
  display:inline-block;padding:5px 12px;
  font-family:'IBM Plex Mono',monospace;font-size:10.5px;
  letter-spacing:.18em;color:var(--blueprint);
  border:1px solid var(--blueprint);text-transform:uppercase;
  margin-bottom:18px;
}
.recruit-card h3{
  font-family:'IBM Plex Sans',sans-serif;font-size:22px;
  color:var(--ink);font-weight:600;margin-bottom:14px;
}
.recruit-card p{color:var(--gray);font-size:14px;line-height:1.85;margin-bottom:20px}
.recruit-card .meta-list{
  list-style:none;margin-top:20px;border-top:1px solid var(--line);padding-top:18px;
}
.recruit-card .meta-list li{
  display:flex;justify-content:space-between;
  font-family:'IBM Plex Mono',monospace;font-size:11px;
  color:var(--gray);padding:5px 0;letter-spacing:.04em;
}
.recruit-card .meta-list li b{color:var(--ink);font-weight:500}

/* ===== Contact form ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:64px;align-items:start}
.contact-info{
  background:var(--bg-2);padding:40px 36px;
  border-left:2px solid var(--blueprint);
}
.contact-info h3{
  font-family:'IBM Plex Sans',sans-serif;font-size:20px;
  color:var(--ink);font-weight:600;margin-bottom:18px;
}
.contact-info dl{margin-top:24px}
.contact-info dt{
  font-family:'IBM Plex Mono',monospace;font-size:10.5px;
  letter-spacing:.18em;color:var(--gray-l);
  text-transform:uppercase;margin-top:18px;margin-bottom:6px;
}
.contact-info dd{color:var(--ink);font-size:14.5px}

.form-group{margin-bottom:24px}
.form-label{
  display:block;font-family:'IBM Plex Mono',monospace;
  font-size:11px;letter-spacing:.18em;color:var(--gray);
  text-transform:uppercase;margin-bottom:10px;font-weight:500;
}
.form-label .required{color:var(--blueprint);margin-left:6px}
.form-input,.form-textarea,.form-select{
  width:100%;padding:14px 16px;
  border:1px solid var(--line-2);background:#fff;
  font-family:'IBM Plex Sans',sans-serif;font-size:14.5px;
  color:var(--ink);transition:border-color .2s;
}
.form-input:focus,.form-textarea:focus,.form-select:focus{
  outline:none;border-color:var(--blueprint);
}
.form-textarea{resize:vertical;min-height:140px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}

@media(max-width:900px){
  .contact-grid{grid-template-columns:1fr;gap:32px}
  .form-row{grid-template-columns:1fr}
}

/* ===== Privacy ===== */
.privacy-content{max-width:820px;margin:0 auto}
.privacy-content h3{
  font-family:'IBM Plex Sans',sans-serif;font-size:18px;
  color:var(--ink);font-weight:600;margin:36px 0 14px;
  padding-left:14px;border-left:3px solid var(--blueprint);
}
.privacy-content p{color:var(--gray);font-size:14.5px;line-height:1.95;margin-bottom:14px}
.privacy-content ul{margin:14px 0 14px 24px;color:var(--gray)}
.privacy-content li{padding:4px 0;font-size:14.5px}

/* ===== News article ===== */
.article{max-width:820px;margin:0 auto}
.article-meta{
  display:flex;gap:16px;align-items:center;margin-bottom:24px;
  padding-bottom:24px;border-bottom:1px solid var(--line);
}
.article-meta .news-date{font-size:13px}
.article h1{
  font-family:'IBM Plex Sans',sans-serif;font-size:clamp(28px,3.6vw,42px);
  color:var(--ink);font-weight:600;letter-spacing:-.015em;
  line-height:1.3;margin-bottom:24px;
}
.article-body p{color:var(--ink);font-size:15.5px;line-height:1.95;margin-bottom:18px}
.article-body h3{
  font-family:'IBM Plex Sans',sans-serif;font-size:20px;
  color:var(--ink);font-weight:600;margin:36px 0 14px;
}
.article-back{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:48px;padding:14px 22px;
  border:1px solid var(--ink);font-family:'IBM Plex Mono',monospace;
  font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  transition:all .25s;
}
.article-back:hover{background:var(--ink);color:#fff}

/* ===== Service detail ===== */
.service-detail-block{
  display:grid;grid-template-columns:1.3fr 1fr;gap:64px;
  align-items:start;padding:80px 0;
  border-bottom:1px solid var(--line);
}
.service-detail-block:nth-child(even){grid-template-columns:1fr 1.3fr}
.service-detail-block:nth-child(even) .service-detail-text{order:2}
.service-detail-text h3{
  font-family:'IBM Plex Sans',sans-serif;font-size:clamp(28px,3.4vw,38px);
  color:var(--ink);font-weight:600;letter-spacing:-.015em;
  line-height:1.2;margin-bottom:18px;
}
.service-detail-text h3 em{color:var(--blueprint);font-style:normal}
.service-detail-text .num{
  font-family:'IBM Plex Mono',monospace;font-size:11px;
  letter-spacing:.2em;color:var(--blueprint);
  margin-bottom:18px;font-weight:500;text-transform:uppercase;
}
.service-detail-text p{color:var(--gray);font-size:14.5px;line-height:1.95;margin-bottom:14px}
.service-detail-spec{
  background:var(--bg-2);padding:32px 28px;
  border-left:2px solid var(--blueprint);
}
.service-detail-spec h4{
  font-family:'IBM Plex Mono',monospace;font-size:11px;
  letter-spacing:.2em;color:var(--blueprint);
  text-transform:uppercase;margin-bottom:18px;font-weight:500;
}
.service-detail-spec dl{display:grid;grid-template-columns:1fr 1.5fr;gap:8px 16px;font-size:13.5px}
.service-detail-spec dt{color:var(--gray);font-family:'IBM Plex Mono',monospace;font-size:11.5px;padding:6px 0;border-bottom:1px solid var(--line)}
.service-detail-spec dd{color:var(--ink);padding:6px 0;border-bottom:1px solid var(--line)}

@media(max-width:900px){
  .service-detail-block,.service-detail-block:nth-child(even){grid-template-columns:1fr;gap:32px;padding:48px 0}
  .service-detail-block:nth-child(even) .service-detail-text{order:0}
}

/* ===== Strength / Process detail (service page) ===== */
.strength-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:48px;
  border-top:1px solid var(--line-2);
}
.strength-card{
  padding:36px 28px;border-right:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.strength-card:nth-child(3n){border-right:none}
.strength-card .num{
  font-family:'IBM Plex Mono',monospace;font-size:11px;
  letter-spacing:.18em;color:var(--blueprint);
  margin-bottom:14px;font-weight:500;
}
.strength-card h4{
  font-family:'IBM Plex Sans',sans-serif;font-size:18px;
  color:var(--ink);font-weight:600;margin-bottom:12px;
}
.strength-card p{font-size:13.5px;color:var(--gray);line-height:1.85}
@media(max-width:900px){
  .strength-grid{grid-template-columns:1fr}
  .strength-card{border-right:none}
}


/* ====================================================
   スマホ時 contact フォーム強制1カラム化（2026-05-05）
   2カラム表示で入力欄が狭くなる問題
==================================================== */
@media (max-width: 767px) {
    .form-row,
    .form-grid,
    .form-2col,
    .form-pair,
    .input-row,
    .input-grid,
    [class*="form-row"],
    [class*="form-grid"],
    [class*="two-col"] {
        display: block !important;
        grid-template-columns: 1fr !important;
    }
    form input[type="text"],
    form input[type="email"],
    form input[type="tel"],
    form input[type="number"],
    form textarea,
    form select,
    .form-row > input,
    .form-row > textarea,
    .form-row > select,
    .form-row > div,
    .form-grid > * {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box;
    }
    .form-row, .form-grid {
        margin-bottom: 1rem;
    }
}



/* ====================================================
   contact 1カラム化 強化版（2026-05-05・全クラス網羅）
==================================================== */
@media (max-width: 767px) {
    .contact-grid,
    .contact-form,
    .ct-grid,
    .ct-form,
    .booking-form,
    .reserve-form,
    .form-card,
    .form-wrap,
    .form-box,
    [class*="contact-grid"],
    [class*="contact-form"],
    [class*="ct-grid"],
    [class*="ct-form"] {
        display: block !important;
        grid-template-columns: 1fr !important;
    }
    .contact-grid > *,
    .contact-form > *,
    .ct-grid > *,
    .ct-form > *,
    .booking-form > *,
    .reserve-form > *,
    .form-card > *,
    .form-wrap > *,
    .form-box > * {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box;
    }
    .ct-budget-grid,
    .ct-field {
        grid-template-columns: 1fr !important;
        display: block !important;
    }
}

/* ====================================================
   横スクロール防止（2026-05-14 一括追加）
   CLAUDE.md ルール「html/body 両方に overflow-x:hidden」準拠
==================================================== */
html { overflow-x: hidden; }
body { overflow-x: hidden; }

/* ====================================================
   スマホ時 2カラム→1カラム化（2026-05-15）
   右文章が縦長になる時
==================================================== */
@media (max-width: 768px) {
  .form-row { grid-template-columns: 1fr !important; gap: 24px !important; }
}

/* ====================================================
   2カラム→1カラム化 B案（2026-05-15）
   左画像・右文章になりがちなキーワード対象
==================================================== */
@media (max-width: 768px) {
  .about-grid { grid-template-columns: 1fr !important; gap: 28px !important; }
}

/* ====================================================
   多カラムgrid スマホ最適化（2026-05-15 千尋）
==================================================== */
@media (max-width: 768px) {
  /* 2カラム化（情報密度を保つ） */
  .hero-specs { grid-template-columns: repeat(2, 1fr) !important; gap: 18px !important; }
  .hero-toc-inner { grid-template-columns: repeat(2, 1fr) !important; gap: 18px !important; }
  .about-data { grid-template-columns: repeat(2, 1fr) !important; gap: 18px !important; }
  /* 1カラム化（流れ・5カラム以上） */
  .process-list { grid-template-columns: 1fr !important; gap: 20px !important; }
}

/* ====================================================
   step/flow系 強制1カラム化（2026-05-15 千尋v2）
==================================================== */
@media (max-width: 768px) {
  .process-list { grid-template-columns: 1fr !important; gap: 24px !important; }
}

/* ====================================================
   process-grid（4STEPS）スマホ1カラム化（2026-05-16 一括追加）
==================================================== */
@media(max-width:640px){
  .process-grid{grid-template-columns:1fr !important;margin-top:32px}
  .process-step{padding:26px 20px;border-right:none !important;border-bottom:1px solid var(--line) !important}
  .process-step:nth-child(2){border-right:none !important;border-bottom:1px solid var(--line) !important}
  .process-step:last-child{border-bottom:none !important}
  .process-step .step-num{margin-bottom:14px}
  .process-step h4{font-size:22px;margin-bottom:10px}
  .process-step p{font-size:13px;line-height:1.78}
}