/* ==========================================================
   ENTAWORKS — common stylesheet
   ========================================================== */
:root{
  --teal:#063F43;
  --teal-2:#0B4A4C;
  --teal-deep:#04302F;
  --gold:#B79450;
  --gold-2:#C2A05B;
  --gold-line:rgba(183,148,80,.55);
  --bg:#FFFFFF;
  --bg-sub:#F5F5F1;
  --bg-sub2:#F1F3F0;
  --ink:#142323;
  --ink-2:#161B1C;
  --muted:#4F5B5B;
  --line:#E3E3DC;
  --serif-jp:"Shippori Mincho","Noto Serif JP","Yu Mincho","YuMincho","Hiragino Mincho ProN",serif;
  --serif-en:"Cormorant Garamond","Times New Roman",serif;
  --sans:"Noto Sans JP","Yu Gothic","YuGothic","Hiragino Kaku Gothic ProN",sans-serif;
  --max:1280px;
  --gutter:40px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--bg);font-size:15px;line-height:1.9;letter-spacing:.04em;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
.container{max-width:calc(var(--max) + var(--gutter)*2);margin:0 auto;padding:0 var(--gutter)}

/* ---------- Common text atoms ---------- */
.en-label{font-family:var(--serif-en);font-size:14px;letter-spacing:.24em;color:var(--gold);text-transform:uppercase;display:flex;align-items:center;gap:16px;font-weight:500}
.en-label::before{content:"";width:56px;height:1px;background:var(--gold)}
.en-small{font-family:var(--serif-en);font-size:12px;letter-spacing:.32em;text-transform:uppercase;line-height:1.75;font-weight:500}
.ttl-jp{font-family:var(--serif-jp);font-weight:500;letter-spacing:.08em;line-height:1.45;color:var(--ink)}
.ttl-xl{font-size:38px}
.ttl-l{font-size:32px}
.ttl-m{font-size:20px}
.lead{font-size:14.5px;line-height:2;color:var(--ink)}
.sub-head{margin-left:72px}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:14px;height:52px;padding:0 30px;font-family:var(--serif-jp);font-size:15px;letter-spacing:.12em;border:1px solid transparent;transition:background .25s,color .25s,border-color .25s;cursor:pointer;white-space:nowrap}
.btn .arr{width:16px;height:10px;flex:none}
.btn-gold{background:var(--gold);color:#fff;border-color:var(--gold-2)}
.btn-gold:hover{background:#A6853F}
.btn-ghost{border-color:rgba(255,255,255,.75);color:#fff;background:rgba(4,48,47,.25)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.link-more{display:inline-flex;align-items:center;gap:18px;font-family:var(--serif-jp);font-size:15px;letter-spacing:.1em;color:var(--ink);padding-bottom:4px;border-bottom:1px solid var(--gold-line)}
.link-more .arr{width:16px;height:10px;color:var(--gold)}
.link-more:hover{color:var(--teal)}

/* ---------- Logo ---------- */
.logo{display:flex;align-items:center;gap:14px;color:#fff}
.logo-mark{width:56px;height:34px;flex:none}
.logo-text{display:flex;flex-direction:column;line-height:1.1}
.logo-text b{font-family:var(--serif-jp);font-weight:500;font-size:23px;letter-spacing:.14em;line-height:1.15}
.logo-text small{font-family:var(--serif-jp);font-size:10.5px;letter-spacing:.4em;margin-bottom:3px}
.logo.dark{color:var(--ink)}

/* ---------- Header ---------- */
.site-header{position:absolute;inset:0 0 auto 0;z-index:20}
.site-header .inner{max-width:1440px;margin:0 auto;height:96px;padding:0 48px 0 64px;display:flex;align-items:center;justify-content:space-between;gap:32px}
.gnav{display:flex;align-items:center;gap:56px;margin-left:auto;margin-right:40px}
.gnav a{text-shadow:0 1px 8px rgba(0,0,0,.45);font-family:var(--serif-en);font-size:15px;letter-spacing:.14em;color:#fff;padding:8px 0;position:relative;font-weight:500}
.gnav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--gold-2);transform:scaleX(0);transition:transform .3s}
.gnav a:hover::after{transform:scaleX(1)}
.gnav a.is-current{color:var(--gold-2)}
.gnav a.is-current::after{transform:scaleX(1)}
.header-cta{height:46px;padding:0 24px;font-size:14.5px}
.nav-toggle{display:none;background:none;border:1px solid rgba(255,255,255,.6);width:46px;height:46px;cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:6px}
.nav-toggle span{display:block;width:20px;height:1px;background:#fff}

/* ---------- Hero ---------- */
.hero{position:relative;height:580px;background:var(--teal-deep);overflow:hidden;color:#fff}
.hero-photo{position:absolute;top:0;right:0;bottom:0;width:66%;background-size:cover;background-position:center}
/* fade the photo into the teal field */
.hero-photo::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--teal-deep) 0%,rgba(4,48,47,0) 28%)}
.hero-photo::after{content:"";position:absolute;inset:0;background:linear-gradient(270deg,rgba(4,30,30,.6) 0%,rgba(4,30,30,0) 32%),linear-gradient(180deg,rgba(4,30,30,.72) 0%,rgba(4,30,30,.25) 16%,rgba(4,30,30,0) 30%)}
.hero-overlay{position:absolute;inset:0;pointer-events:none}
.hero-overlay .facet-a{position:absolute;inset:0;background:rgba(6,63,67,.92);clip-path:polygon(0 0,47% 0,40% 100%,0 100%)}
.hero-overlay .facet-b{position:absolute;inset:0;background:rgba(11,74,76,.42);clip-path:polygon(22% 0,47% 0,52% 52%,40% 100%,34% 100%)}
.hero-overlay .facet-c{position:absolute;inset:0;background:rgba(194,160,91,.07);clip-path:polygon(47% 0,52% 52%,49.5% 0)}
.hero-overlay .edge{position:absolute;inset:0;background:linear-gradient(var(--gold-line),var(--gold-line));clip-path:polygon(47% 0,47.08% 0,40.08% 100%,40% 100%);opacity:.6}
.hero-body{position:relative;z-index:2;max-width:1440px;height:100%;margin:0 auto;padding:142px 64px 0}
.hero-copy{max-width:600px}
.hero-copy h1{white-space:nowrap;font-family:var(--serif-jp);font-weight:500;font-size:clamp(34px,3.6vw,52px);line-height:1.38;letter-spacing:.06em}
.hero-copy p{margin-top:26px;font-size:14.5px;line-height:2;letter-spacing:.06em;max-width:560px;color:rgba(255,255,255,.92)}
.hero-btns{display:flex;gap:16px;margin-top:34px;flex-wrap:wrap}
.hero-tag{margin-top:30px;color:rgba(255,255,255,.82)}
.hero-side{text-shadow:0 1px 12px rgba(0,0,0,.5);position:absolute;right:64px;top:184px;z-index:2;text-align:left}
.hero-side .jp{font-family:var(--serif-jp);font-size:20px;line-height:1.9;letter-spacing:.18em;padding-left:22px;border-left:1px solid rgba(255,255,255,.75)}
.hero-side .en{margin-top:34px;padding-left:24px;font-size:11px;letter-spacing:.32em;line-height:2.1;color:rgba(255,255,255,.9)}

/* ---------- Strip (ENTAWORKSとは / intro band) ---------- */
.strip{background:#fff;position:relative;overflow:hidden}
.strip-inner{display:grid;grid-template-columns:380px 1fr 300px;align-items:center;min-height:156px;max-width:1440px;margin:0 auto;padding:0 0 0 100px}
.strip-ttl{position:relative;padding-bottom:22px}
.strip-ttl::after{content:"";position:absolute;left:0;bottom:0;width:48px;height:1px;background:var(--gold)}
.strip-ttl .en-ttl{font-family:var(--serif-en);font-weight:500;font-size:36px;letter-spacing:.06em}
.strip-ttl .en-ttl span{font-family:var(--serif-jp);font-size:30px}
.strip-ttl .en-ttl.jp{font-family:var(--serif-jp);font-size:32px;letter-spacing:.1em}
.strip-text{font-size:14.5px;line-height:2.05;padding-right:40px;text-wrap:pretty}
@media (max-width:1400px){.strip-text br{display:none}}
.strip-photo{position:relative;align-self:stretch;clip-path:polygon(14% 0,100% 0,100% 100%,0 100%);background-size:cover;background-position:center}
.strip-photo::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,255,255,0) 0%,rgba(255,255,255,.55) 60%)}
.strip-photo .en-small{position:absolute;left:38%;top:50%;transform:translateY(-50%);color:#2a3d3e;z-index:1;font-size:11px}
.strip--intro .strip-inner{grid-template-columns:420px 1fr 300px}
.strip--intro .strip-ttl{padding-bottom:0}
.strip--intro .strip-ttl::after{display:none}

/* ---------- Section base ---------- */
.sec{padding:72px 0 80px}
.sec-sub{background:var(--bg-sub2)}
.sec-ivory{background:var(--bg-sub)}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:40px}
.sec-head .ttl-xl{margin-top:8px}
.side-note{font-family:var(--serif-jp);font-size:17px;line-height:1.9;letter-spacing:.12em;padding-left:40px;border-left:1px solid var(--gold);color:var(--ink)}

/* ---------- Business cards (4 col) ---------- */
.biz-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.biz-card{background:#fff;padding:22px 22px 26px;display:flex;flex-direction:column;border:1px solid #ECECE6}
.biz-card-head{display:flex;align-items:flex-start;gap:14px;min-height:58px}
.biz-num{font-family:var(--serif-en);font-style:italic;font-size:36px;line-height:1;color:var(--gold);font-weight:500;flex:none;margin-top:-2px}
.biz-card h3{font-family:var(--serif-jp);font-weight:500;font-size:17px;line-height:1.5;letter-spacing:.06em;padding-top:4px;word-break:keep-all;overflow-wrap:anywhere}
.biz-photo{aspect-ratio:274/102;background-size:cover;background-position:center;margin:12px 0 16px}
.biz-desc{font-size:13.5px;line-height:1.95;color:var(--ink);margin-bottom:14px}
.dot-list li{font-size:14px;line-height:1.95;padding-left:1.1em;position:relative}
.dot-list li::before{content:"・";position:absolute;left:-.1em}
.dot-list.two-col{display:grid;grid-template-columns:1fr 1fr;column-gap:8px}
.dot-list.two-col li{font-size:13.5px;white-space:nowrap}
.check-list li{font-size:14px;line-height:1.8;padding:3px 0 3px 30px;position:relative}
.check-list li::before{content:"";position:absolute;left:3px;top:9px;width:13px;height:9px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 13 9'%3E%3Cpath d='M1 4.5l3.5 3.5L12 1' fill='none' stroke='%23B79450' stroke-width='1.7'/%3E%3C/svg%3E") no-repeat center/contain}
.biz-card .link-more{margin-top:auto;align-self:flex-start}
.biz-card .list-wrap{margin-bottom:22px}
.core-tag{display:inline-block;font-family:var(--serif-en);font-size:11px;letter-spacing:.24em;color:var(--gold);border:1px solid var(--gold-line);padding:0 8px;line-height:20px;margin:0 0 6px}
.check-list.core li{font-weight:500}
.check-list.rest{margin-top:6px;padding-top:6px;border-top:1px dashed var(--line)}
.scope-tags{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 14px}
.scope-tags span{font-size:11.5px;letter-spacing:.08em;padding:0 10px;line-height:24px;border:1px solid var(--line);background:var(--bg-sub);color:var(--muted)}

/* ---------- Project cards ---------- */
.proj-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:22px;gap:40px}
.proj-head .ttl-l{font-size:30px}
.proj-head p{margin-top:8px;font-size:14px}
.proj-head .en-small{color:var(--muted);font-size:11px;text-align:left}
.proj-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.proj-card{background:#fff;display:block;border:1px solid #ECECE6;transition:border-color .25s}
.proj-card:hover{border-color:var(--gold-line)}
.proj-photo{aspect-ratio:320/72;background-size:cover;background-position:center}
.proj-meta{display:flex;justify-content:space-between;align-items:flex-end;padding:12px 16px 12px 16px}
.proj-meta h3{font-family:var(--serif-jp);font-weight:500;font-size:15px;letter-spacing:.1em;line-height:1.4}
.proj-meta small{display:block;font-family:var(--serif-en);font-size:10px;letter-spacing:.28em;color:var(--muted);margin-top:2px}
.proj-meta .arr{width:16px;height:10px;color:var(--gold);margin-bottom:6px}

/* ---------- Use cases (business) ---------- */
.use-head{display:grid;grid-template-columns:auto 1fr auto;align-items:end;gap:40px;margin-bottom:22px}
.use-head p{font-size:14px;line-height:1.9;padding-bottom:4px}
.use-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.use-card{background:#fff;border:1px solid #ECECE6;display:flex;flex-direction:column}
.use-photo{aspect-ratio:324/56;background-size:cover;background-position:center}
.use-body{padding:16px 18px 18px;display:grid;grid-template-columns:1fr auto;column-gap:12px;align-items:end}
.use-body .num{grid-column:1/-1;font-family:var(--serif-en);font-style:italic;color:var(--gold);font-size:18px;line-height:1}
.use-body h3{font-family:var(--serif-jp);font-weight:500;font-size:15.5px;letter-spacing:.08em;margin:6px 0 4px;grid-column:1/-1}
.use-body p{font-size:13px;line-height:1.85;color:var(--ink)}
.use-body .arr{width:16px;height:10px;color:var(--gold);margin-bottom:6px}

/* ---------- Flow (business 5 steps) ---------- */
.flow5{display:grid;grid-template-columns:repeat(5,1fr);gap:28px;margin-top:28px}
.flow-step{position:relative;background:#fff;border:1px solid #ECECE6;padding:18px 16px 18px 14px;display:grid;grid-template-columns:44px 1fr;column-gap:14px;row-gap:6px}
.flow-step:not(:last-child)::after{content:"";position:absolute;right:-19px;top:50%;width:8px;height:8px;border-top:1px solid var(--gold);border-right:1px solid var(--gold);transform:translateY(-50%) rotate(45deg)}
.flow-num{width:40px;height:40px;border-radius:50%;background:var(--gold);color:#fff;font-family:var(--serif-en);font-size:20px;display:flex;align-items:center;justify-content:center;font-weight:500}
.flow-step h3{font-family:var(--serif-jp);font-weight:500;font-size:15.5px;letter-spacing:.1em;align-self:center}
.flow-ico{width:30px;height:30px;color:var(--gold);justify-self:center;margin-top:4px}
.flow-step p{font-size:12.5px;line-height:1.85}
@media (max-width:1360px){.flow-step p br,.cta-text br{display:none}.flow5{gap:22px}}

/* ---------- Common CTA ---------- */
.cta{position:relative;background:var(--teal);color:#fff;overflow:hidden}
.cta-plant{position:absolute;right:0;top:0;bottom:0;width:30%;background-size:cover;background-position:left center;opacity:.55;-webkit-mask-image:linear-gradient(90deg,transparent 0%,#000 45%);mask-image:linear-gradient(90deg,transparent 0%,#000 45%)}
.cta-inner{position:relative;display:grid;grid-template-columns:auto 1fr auto 200px;align-items:center;gap:40px;min-height:150px}
.cta-copy{white-space:nowrap;font-family:var(--serif-jp);font-size:24px;line-height:1.55;letter-spacing:.12em;font-weight:500}
.cta-text{font-family:var(--serif-jp);font-size:15px;line-height:1.95;letter-spacing:.1em;padding-left:48px;margin-left:16px;border-left:1px solid rgba(255,255,255,.55)}
.cta .btn{height:56px;min-width:210px}
.cta .en-small{font-size:10.5px;text-align:center;color:rgba(255,255,255,.88)}

/* ---------- Footer ---------- */
.site-footer{background:#fff;padding:22px 0 18px}
.footer-inner{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:40px}
.site-footer .logo{padding-right:40px;border-right:1px solid var(--line)}
.site-footer .logo-mark{width:46px;height:28px}
.site-footer .logo-text b{font-size:19px}
.site-footer .logo-text small{font-size:9.5px}
.fnav{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;font-family:var(--serif-en);font-size:12.5px;letter-spacing:.12em;color:var(--muted)}
.fnav a{padding:0 16px;font-weight:500}
.fnav a + a{border-left:1px solid #CFCFC7}
.fnav a.jp{font-family:var(--serif-jp);font-size:12px}
.fnav a:hover{color:var(--gold)}
.footer-right{display:flex;align-items:center;gap:34px}
.sns{display:flex;gap:12px}
.sns a{width:24px;height:24px;color:var(--ink-2)}
.sns a:hover{color:var(--gold)}
.footer-right .tag{text-align:right;font-family:var(--serif-jp);font-size:12px;letter-spacing:.1em;line-height:1.7}
.footer-right .tag small{display:block;font-family:var(--sans);font-size:10.5px;letter-spacing:.02em;color:var(--muted)}

/* ---------- Contact page ---------- */
.contact-wrap{display:grid;grid-template-columns:60fr 40fr;gap:20px;align-items:start}
.contact-left{padding-right:20px}
.c-head{display:grid;grid-template-columns:auto 1fr;align-items:end;gap:28px;margin-bottom:24px}
.c-head p{font-size:13.5px;line-height:1.95;padding-bottom:4px}
.cat-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.cat-card{background:#fff;border:1px solid #E6E6E0;padding:22px 24px 22px 22px;display:grid;grid-template-columns:52px 1fr 18px;gap:18px;align-items:start;transition:border-color .25s}
.cat-card:hover{border-color:var(--gold-line)}
.cat-card .ico{width:44px;height:44px;color:var(--gold)}
.cat-card h3{font-family:var(--serif-jp);font-weight:500;font-size:18px;letter-spacing:.08em;margin-bottom:6px}
.cat-card p{font-size:13px;line-height:1.85;text-wrap:pretty}
.cat-card h3{word-break:keep-all}
@media (max-width:1400px){.cat-card p br,.flow3 p br,.c-head p br{display:none}.cat-card{grid-template-columns:44px 1fr 16px;gap:14px;padding:20px 18px}.cat-card .ico{width:38px;height:38px}.cat-card h3{font-size:16.5px}.cat-card.wide{grid-template-columns:44px 80px 1fr 16px}.flow3 h3{white-space:nowrap;font-size:14.5px}.flow3 .step-top{gap:10px}}
.cat-card .arr{width:16px;height:10px;color:var(--gold);margin-top:10px}
.cat-card.wide{grid-column:1/-1;grid-template-columns:52px 90px 1fr 18px;align-items:center;padding:16px 24px 16px 22px}
.cat-card.wide h3{margin:0}
.cat-card.wide .arr{margin-top:0}

.flow3-head{margin-top:44px;margin-bottom:16px}
.flow3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.flow3 .step{position:relative;background:#fff;padding:16px 18px 18px;border:1px solid #ECECE6}
.flow3 .step:not(:last-child)::after{content:"";position:absolute;right:-15px;top:50%;width:8px;height:8px;border-top:1px solid var(--gold);border-right:1px solid var(--gold);transform:translateY(-50%) rotate(45deg)}
.flow3 .step-top{display:flex;align-items:center;gap:16px;margin-bottom:8px}
.flow3 .num{font-family:var(--serif-en);font-style:italic;color:var(--gold);font-size:32px;line-height:1}
.flow3 .ico{width:28px;height:28px;color:var(--gold)}
.flow3 h3{font-family:var(--serif-jp);font-weight:500;font-size:15.5px;letter-spacing:.08em}
.flow3 p{font-size:12.5px;line-height:1.85;padding-left:4px}

.form-panel{background:var(--bg-sub2);border:1px solid #E4E7E3;padding:28px 26px 30px}
.form-panel .c-head{display:block;margin-bottom:16px}
.form-panel .intro{font-size:13px;line-height:1.9;margin-bottom:18px}
.f-row{display:grid;grid-template-columns:minmax(132px,38%) 1fr;align-items:center;gap:12px;margin-bottom:10px}
.f-row.top{align-items:start}
.f-row.top label{padding-top:10px}
.f-row label{white-space:nowrap;font-family:var(--serif-jp);font-size:13px;letter-spacing:.02em;display:flex;align-items:center;justify-content:space-between;gap:8px;font-weight:500}
.req{font-family:var(--sans);font-size:10px;background:var(--gold);color:#fff;padding:0 7px;line-height:19px;letter-spacing:.1em;font-weight:400;flex:none}
.f-row input,.f-row select,.f-row textarea{width:100%;font:inherit;font-size:13.5px;color:var(--ink);background:#fff;border:1px solid #DADDD8;border-radius:0;padding:0 12px;height:40px;outline:none;transition:border-color .2s}
.f-row textarea{height:100px;padding:10px 12px;resize:vertical;line-height:1.7}
.f-row select{appearance:none;-webkit-appearance:none;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23142323' stroke-width='1.4'/%3E%3C/svg%3E") no-repeat right 14px center;padding-right:36px}
.f-row input::placeholder,.f-row textarea::placeholder{color:#9AA19F}
.f-row input:focus,.f-row select:focus,.f-row textarea:focus{border-color:var(--gold)}
.f-row.err input,.f-row.err select,.f-row.err textarea{border-color:#A44A3F}
.privacy-note{font-size:12px;line-height:1.8;margin:16px 0 18px;padding-left:1.2em;text-indent:-1.2em}
.privacy-note a{color:var(--teal);text-decoration:underline;text-underline-offset:3px}
.btn-submit{width:100%;height:58px;font-size:18px;letter-spacing:.24em}
.form-done{display:none;margin-top:14px;font-size:13px;color:var(--teal);border-top:1px solid var(--gold-line);padding-top:12px}
.form-done.show{display:block}
.form-done.is-error{color:#A44A3F;border-top-color:rgba(164,74,63,.4)}
.form-done a{text-decoration:underline;text-underline-offset:3px}
.btn-submit:disabled{cursor:wait}

.faq{display:grid;grid-template-columns:auto 240px 1fr;gap:36px;align-items:start;background:#fff;border:1px solid #ECECE6;padding:22px 24px 22px 0;margin-top:22px}
.faq-ttl{padding-left:0}
.faq-note{font-size:13px;line-height:1.9;padding-top:44px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:grid;grid-template-columns:24px 1fr 20px;align-items:center;gap:14px;padding:6px 6px;background:none;border:0;font:inherit;text-align:left;cursor:pointer;color:var(--ink)}
.faq-q .q{width:22px;height:22px;border-radius:50%;background:var(--gold);color:#fff;font-family:var(--serif-en);font-size:13px;display:flex;align-items:center;justify-content:center;font-weight:600}
.faq-q .txt{font-family:var(--serif-jp);font-size:14px;letter-spacing:.06em}
.faq-q .pm{position:relative;width:14px;height:14px}
.faq-q .pm::before,.faq-q .pm::after{content:"";position:absolute;left:0;top:50%;width:14px;height:1.4px;background:var(--gold);transition:transform .25s}
.faq-q .pm::after{transform:rotate(90deg)}
.faq-item.open .pm::after{transform:rotate(0)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease}
.faq-a > div{overflow:hidden}
.faq-a p{font-size:13px;line-height:1.9;padding:2px 40px 12px 44px;color:var(--muted)}
.faq-item.open .faq-a{grid-template-rows:1fr}

/* ==========================================================
   Responsive
   ========================================================== */
@media (max-width:1360px){
  .strip-inner{grid-template-columns:320px 1fr 240px;padding-left:64px}
  .strip--intro .strip-inner{grid-template-columns:360px 1fr 240px}
  .gnav{gap:40px;margin-right:24px}
  .biz-card{padding:20px 18px 24px}
}
@media (max-width:1200px){
  .cta-copy{white-space:normal}
  .gnav{gap:28px;margin-right:12px}
  .hero-copy h1{font-size:44px}
  .strip-inner{grid-template-columns:300px 1fr 220px;padding-left:40px}
  .strip--intro .strip-inner{grid-template-columns:340px 1fr 220px}
  .biz-grid,.proj-grid,.use-grid{grid-template-columns:repeat(2,1fr)}
  .flow5{grid-template-columns:repeat(3,1fr)}
  .flow-step:nth-child(3)::after{display:none}
  .cta-inner{grid-template-columns:1fr 1fr auto}
  .cta .en-small{display:none}
  .contact-wrap{grid-template-columns:1fr}
  .contact-left{padding-right:0}
  .faq{grid-template-columns:auto 1fr;padding-left:24px}
  .faq-list{grid-column:1/-1}
  .faq-note{padding-top:20px}
  .footer-inner{grid-template-columns:1fr;justify-items:center;text-align:center;gap:18px}
  .site-footer .logo{border-right:0;padding-right:0}
}
@media (max-width:860px){
  :root{--gutter:20px}
  .site-header .inner{height:76px;padding:0 20px}
  .logo-mark{width:44px;height:28px}
  .logo-text b{font-size:19px}
  .logo-text small{font-size:9px;letter-spacing:.24em}
  .nav-toggle{display:flex}
  .header-cta{display:none}
  .gnav{position:fixed;inset:0;background:rgba(4,48,47,.97);flex-direction:column;justify-content:center;gap:28px;margin:0;opacity:0;pointer-events:none;transition:opacity .3s;z-index:-1}
  .gnav a{font-size:20px}
  body.nav-open .gnav{opacity:1;pointer-events:auto}
  body.nav-open .nav-toggle span:nth-child(1){transform:translateY(3.5px) rotate(45deg)}
  body.nav-open .nav-toggle span:nth-child(2){transform:translateY(-3.5px) rotate(-45deg)}
  .gnav .sp-cta{display:inline-flex !important;margin-top:12px}

  .hero{height:auto;min-height:600px}
  .hero-photo{width:100%;opacity:.55}
  .hero-photo::before{background:linear-gradient(180deg,rgba(4,48,47,.4),rgba(4,48,47,.85))}
  .hero-overlay .facet-a{clip-path:polygon(0 0,100% 0,100% 62%,0 100%);background:rgba(6,63,67,.6)}
  .hero-overlay .facet-b,.hero-overlay .facet-c,.hero-overlay .edge{display:none}
  .hero-body{padding:118px 20px 48px}
  .hero-copy h1{font-size:30px;white-space:normal}
  .hero-copy p{font-size:13.5px}
  .hero-btns .btn{flex:1 1 100%}
  .hero-side{position:relative;right:auto;top:auto;padding:0 20px 40px}
  .hero-side .jp{font-size:17px}
  .hero-side .en{margin-top:16px}

  .strip-inner,.strip--intro .strip-inner{grid-template-columns:1fr;padding:44px 20px 0;gap:22px}
  .strip-text{padding-right:0}
  .strip-photo{height:120px;clip-path:polygon(8% 0,100% 0,100% 100%,0 100%);margin:0 -20px 0 20%}
  .ttl-xl{font-size:28px}
  .ttl-l,.proj-head .ttl-l{font-size:23px}
  .strip-ttl .en-ttl{font-size:28px}.strip-ttl .en-ttl span{font-size:24px}
  .sub-head{margin-left:0}
  .sec{padding:52px 0 60px}
  .sec-head,.proj-head{flex-direction:column;align-items:flex-start;gap:20px}
  .side-note{padding-left:20px;font-size:15px}
  .biz-grid,.proj-grid,.use-grid{grid-template-columns:1fr}
  .use-head{grid-template-columns:1fr;gap:10px}
  .flow5{grid-template-columns:1fr;gap:22px}
  .flow-step::after{right:auto !important;left:50%;top:auto !important;bottom:-15px;transform:translateX(-50%) rotate(135deg) !important;display:block !important}
  .flow-step:last-child::after{display:none !important}
  .cta-inner{grid-template-columns:1fr;gap:20px;padding:44px 0}
  .cta-text{padding-left:20px}
  .cta-plant{width:60%;opacity:.3}
  .c-head{grid-template-columns:1fr;gap:10px}
  .cat-grid{grid-template-columns:1fr}
  .cat-card.wide{grid-template-columns:52px 1fr 18px}
  .cat-card.wide p{grid-column:2/3}
  .cat-card.wide .arr{grid-column:3;grid-row:1}
  .flow3{grid-template-columns:1fr}
  .flow3 .step::after{right:auto !important;left:50%;top:auto !important;bottom:-14px;transform:translateX(-50%) rotate(135deg) !important}
  .f-row{grid-template-columns:1fr;gap:6px}
  .f-row label{justify-content:flex-start}
  .f-row.top label{padding-top:0}
  .faq{grid-template-columns:1fr;gap:16px;padding:22px 18px}
  .faq-note{padding-top:0}
  .fnav{row-gap:6px}
  .footer-right{flex-direction:column;gap:12px}
  .footer-right .tag{text-align:center}
}
.gnav .sp-cta{display:none}

/* ---------- Company page ---------- */
.hero-copy .hero-sub{font-family:var(--serif-jp);font-weight:500;font-size:clamp(22px,2vw,28px);letter-spacing:.12em;margin-top:6px;line-height:1.5}
.hero-copy .hero-sub + p{margin-top:20px}
.co-sec{padding:40px 0}
.co-grid{display:grid;grid-template-columns:320px 1fr;gap:48px;align-items:start}
.co-aside .ttl-jp{margin-top:2px;white-space:nowrap}
.co-aside .sub-head{margin-left:40px}
.co-aside .copy{font-family:var(--serif-jp);font-size:16px;line-height:1.95;letter-spacing:.1em;margin-top:28px}
.co-aside .en-small{margin-top:24px;color:var(--muted);font-size:10.5px}
.co-table{width:100%;border-collapse:collapse;border-top:1px solid var(--line)}
.co-table th,.co-table td{border-bottom:1px solid var(--line);padding:9px 20px;font-size:14px;line-height:1.75;text-align:left;vertical-align:middle}
.co-table th{width:150px;background:var(--bg-sub);font-family:var(--serif-jp);font-weight:500;letter-spacing:.08em}
.co-table td a{color:inherit}
.co-table td a:hover{color:var(--gold)}
.leader{background:var(--bg-sub2);position:relative;overflow:hidden}
.leader-body{display:grid;grid-template-columns:280px 1fr;gap:36px;align-items:stretch}
.leader-photo{background:#E9ECEA url(../assets/portrait.jpg) no-repeat center 18%/cover;min-height:300px}
.leader-name{display:flex;align-items:baseline;gap:28px;padding-bottom:12px;border-bottom:1px solid var(--gold-line);margin-bottom:18px}
.leader-name h3{font-family:var(--serif-jp);font-weight:500;font-size:30px;letter-spacing:.14em}
.leader-name span{font-family:var(--serif-jp);font-size:14px;letter-spacing:.12em;color:var(--muted)}
.leader-text p{font-size:14.5px;line-height:2.05;letter-spacing:.06em}
.access-body{display:grid;grid-template-columns:1fr 1.15fr;gap:40px;align-items:center}
.access-list li{display:grid;grid-template-columns:28px 1fr;gap:18px;align-items:start;padding:8px 0}
.access-list svg{width:22px;height:22px;color:var(--gold);margin-top:4px}
.access-list p{font-size:14.5px;line-height:1.8}
.access-list .tel{font-family:var(--serif-en);font-size:24px;letter-spacing:.06em;line-height:1.3;font-weight:500}
.access-list small{display:block;font-size:12.5px;color:var(--muted)}
.access-photo{position:relative;height:200px;background:linear-gradient(90deg,rgba(255,255,255,0) 35%,rgba(255,255,255,.6) 100%),url(../assets/access-building.jpg) left center/cover;clip-path:polygon(6% 0,100% 0,100% 100%,0 100%)}
.access-photo .en-small{position:absolute;left:62%;top:22px;font-size:10.5px;color:#203234}
@media (max-width:1100px){
  .co-grid{grid-template-columns:1fr;gap:28px}
  .access-body{grid-template-columns:1fr}
}
@media (max-width:860px){
  .leader-body{grid-template-columns:1fr}
  .leader-photo{min-height:320px}
  .co-table th{width:96px;padding:9px 12px}
  .co-table td{padding:9px 12px;font-size:13.5px}
  .leader-name h3{font-size:24px}
  .access-photo{height:160px}
}