/* G-BASE site stylesheet */
:root{
  --ink:#1c2024;
  --graphite:#3a4046;
  --steel:#5b7a8c;
  --steel-deep:#2f4a58;
  --amber:#e0a526;
  --paper:#eceeef;
  --paper-warm:#f4f5f4;
  --line:rgba(28,32,36,0.12);
  --danger:#a8321f;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:'Noto Sans JP',sans-serif;color:var(--ink);background:var(--paper-warm);line-height:1.8;-webkit-font-smoothing:antialiased;}
h1,h2,h3,h4{font-family:'Zen Kaku Gothic New','Noto Sans JP',sans-serif;letter-spacing:0.02em;}
.mono{font-family:'JetBrains Mono',monospace;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;}
@media (prefers-reduced-motion:reduce){*{transition:none !important;scroll-behavior:auto !important;}}

/* ---------- HEADER ---------- */
header.site{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:14px 6vw;background:rgba(244,245,244,0.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);}
.logo{display:flex;align-items:center;gap:12px;}
.logo .logo-mark{height:36px;width:auto;}.logo .logo-word{height:20px;width:auto;}
.company-logo{height:34px;width:auto;margin-bottom:32px;}
nav#site-nav{display:flex;gap:1.7rem;font-size:0.86rem;font-weight:500;align-items:center;}
nav#site-nav a{padding:4px 0;border-bottom:1.5px solid transparent;transition:border-color .2s;}
nav#site-nav a:hover,nav#site-nav a[aria-current="page"]{border-color:var(--amber);}
nav#site-nav a.nav-cta{background:var(--ink);color:#fff;padding:9px 18px;font-weight:700;border-bottom:none;}
nav#site-nav a.nav-cta:hover{background:var(--steel-deep);}
.menu-btn{display:none;background:none;border:1.5px solid var(--ink);padding:7px 14px;font:inherit;font-size:0.82rem;font-weight:700;cursor:pointer;}
@media (max-width:1080px){
  .menu-btn{display:inline-flex;}
  nav#site-nav{display:none;position:fixed;top:57px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;padding:6px 6vw 22px;background:var(--paper-warm);border-bottom:1px solid var(--line);font-size:0.98rem;max-height:calc(100vh - 57px);overflow-y:auto;}
  nav#site-nav.open{display:flex;}
  nav#site-nav a{padding:15px 0;border-bottom:1px solid var(--line);}
  nav#site-nav a.nav-cta{margin-top:16px;text-align:center;border-bottom:none;padding:15px 18px;}
}

/* ---------- BUTTONS ---------- */
.btn{padding:14px 28px;font-weight:700;font-size:0.92rem;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:transform .2s,background .2s,color .2s;cursor:pointer;border:none;font-family:inherit;line-height:1.5;}
.btn-primary{background:var(--ink);color:#fff;}
.btn-primary:hover{background:var(--steel-deep);transform:translateY(-2px);}
.btn-ghost{border:1.5px solid var(--ink);background:transparent;color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;}
.btn-amber{background:var(--amber);color:var(--ink);}
.btn-amber:hover{background:#f0b93f;transform:translateY(-2px);}
.btn-outline-w{border:1.5px solid rgba(255,255,255,0.5);color:#fff;background:transparent;}
.btn-outline-w:hover{background:#fff;color:var(--ink);}
.btn-row{display:flex;gap:14px;flex-wrap:wrap;}
.more{display:inline-flex;gap:8px;font-weight:700;border-bottom:1.5px solid var(--amber);padding-bottom:2px;font-size:0.92rem;}
.more::after{content:'→';}
.more:hover{border-color:var(--ink);}

/* ---------- SHARED ---------- */
section{padding:90px 6vw;}
.eyebrow{display:flex;align-items:center;gap:10px;font-family:'JetBrains Mono',monospace;font-size:0.75rem;letter-spacing:0.12em;color:var(--steel-deep);margin-bottom:20px;text-transform:uppercase;}
.eyebrow::before{content:'';width:26px;height:1px;background:currentColor;}
.section-head{max-width:680px;margin-bottom:52px;}
.section-head h2{font-size:clamp(1.65rem,3vw,2.4rem);font-weight:700;line-height:1.45;}
.section-head p{color:var(--graphite);margin-top:14px;max-width:54ch;}
.alt{background:var(--paper);}
.dark{background:var(--ink);color:#fff;}
.dark .eyebrow{color:var(--amber);}
.dark .section-head p{color:rgba(255,255,255,0.68);}

/* ---------- HERO (top) ---------- */
.hero{min-height:100vh;min-height:100svh;padding:130px 6vw 70px;display:flex;flex-direction:column;justify-content:center;background:linear-gradient(180deg,var(--paper-warm) 0%,var(--paper) 100%);}
.hero h1{font-size:clamp(2.1rem,4.6vw,4rem);font-weight:900;line-height:1.3;margin-bottom:22px;}
.hero h1 em{font-style:normal;color:var(--steel-deep);background:linear-gradient(180deg,transparent 62%,rgba(224,165,38,0.4) 62%);}
.hero .lead{font-size:1.02rem;color:var(--graphite);max-width:46ch;margin-bottom:48px;}
.doors{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.door{display:flex;flex-direction:column;justify-content:space-between;min-height:250px;padding:36px 34px;transition:transform .25s,box-shadow .25s;}
.door:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(28,32,36,0.14);}
.door .who{font-family:'JetBrains Mono',monospace;font-size:0.72rem;letter-spacing:0.1em;margin-bottom:14px;}
.door h2{font-size:1.55rem;font-weight:900;line-height:1.45;margin-bottom:10px;}
.door p{font-size:0.9rem;line-height:1.75;}
.door .go{margin-top:26px;font-weight:700;font-size:0.9rem;display:flex;align-items:center;gap:10px;}
.door .go::after{content:'→';transition:transform .2s;}
.door:hover .go::after{transform:translateX(6px);}
.door-pro{background:var(--ink);color:#fff;}
.door-pro .who,.door-pro .go{color:var(--amber);}
.door-pro p{color:rgba(255,255,255,0.72);}
.door-user{background:#fff;border:1.5px solid var(--ink);}
.door-user .who{color:var(--steel-deep);}
.door-user p{color:var(--graphite);}
@media (max-width:860px){.doors{grid-template-columns:1fr;}.door{min-height:200px;padding:28px 24px;}.hero{padding-top:110px;}}

/* ---------- PAGE HERO (sub pages) ---------- */
.page-hero{padding:140px 6vw 70px;background:var(--paper);}
.page-hero h1{font-size:clamp(1.9rem,4vw,3.1rem);font-weight:900;line-height:1.4;margin-bottom:18px;}
.page-hero p{color:var(--graphite);max-width:52ch;margin-bottom:30px;}
.crumb{display:inline-block;font-size:0.82rem;color:var(--steel-deep);margin-bottom:22px;font-weight:500;}
.crumb:hover{text-decoration:underline;}
@media (max-width:860px){.page-hero{padding-top:110px;padding-bottom:56px;}section{padding:68px 6vw;}}

/* ---------- GRIDS / CELLS ---------- */
.cols3{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);}
.cols3 .cell{background:var(--paper-warm);padding:36px 30px;}
.dark .cols3{background:rgba(255,255,255,0.14);}
.dark .cols3 .cell{background:var(--ink);}
.cell .mono{color:var(--steel-deep);font-size:0.78rem;}
.dark .cell .mono{color:var(--amber);}
.cell h3{font-size:1.18rem;margin:14px 0 10px;font-weight:700;}
.cell p{font-size:0.92rem;color:var(--graphite);}
.dark .cell p{color:rgba(255,255,255,0.68);}
@media (max-width:860px){.cols3{grid-template-columns:1fr;}}

/* ---------- CASES (before / after) ---------- */
.case{background:#fff;border:1px solid var(--line);}
.case + .case{margin-top:24px;}
.case-photos{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:var(--line);}
.photo{position:relative;aspect-ratio:4/3;background:var(--paper);overflow:hidden;}
.photo img{width:100%;height:100%;object-fit:cover;}
.photo .tag{position:absolute;top:14px;left:14px;font-family:'JetBrains Mono',monospace;font-size:0.72rem;letter-spacing:0.12em;padding:6px 12px;background:var(--ink);color:#fff;}
.photo.after .tag{background:var(--amber);color:var(--ink);}
.case-body{display:flex;justify-content:space-between;align-items:flex-start;gap:20px 40px;flex-wrap:wrap;padding:26px 28px;}
.case-body h3{font-size:1.25rem;font-weight:700;margin-bottom:8px;}
.case-body p{font-size:0.9rem;color:var(--graphite);max-width:44ch;}
.case-meta{display:grid;grid-template-columns:auto 1fr;gap:8px 18px;font-size:0.88rem;}
.case-meta dt{color:var(--steel-deep);font-family:'JetBrains Mono',monospace;font-size:0.72rem;letter-spacing:0.08em;padding-top:3px;}
.case-photos-more{margin-top:2px;}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.case-grid .case + .case{margin-top:0;}
.case-mini .photo .tag{top:10px;left:10px;font-size:0.66rem;padding:4px 9px;}
.case-mini .case-body{padding:18px 20px;display:block;}
.case-mini .case-body h3{font-size:1.05rem;margin-bottom:4px;}
.case-mini .sub{font-size:0.84rem;color:var(--graphite);}
.case-more{margin-top:34px;}
@media (max-width:1000px){.case-grid{grid-template-columns:1fr;}}
@media (max-width:640px){.case-photos{grid-template-columns:1fr;}.case-body{padding:22px 20px;}}

/* text-only works */
.works-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,340px));gap:16px;}
.work-card{background:#fff;border:1px solid var(--line);padding:26px 22px;min-height:170px;display:flex;flex-direction:column;justify-content:space-between;}
.work-tag{font-family:'JetBrains Mono',monospace;font-size:0.68rem;color:var(--steel-deep);letter-spacing:0.06em;}
.work-card h3{font-size:1rem;font-weight:700;margin:12px 0 8px;line-height:1.55;}
.work-card .loc{font-size:0.8rem;color:var(--graphite);}

/* ---------- FLOW ---------- */
.flow{display:flex;flex-direction:column;}
.flow-row{display:grid;grid-template-columns:80px 240px 1fr;gap:24px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line);}
.flow-row:first-child{border-top:1px solid var(--line);}
.flow-row .mono{color:var(--steel-deep);font-size:0.85rem;}
.flow-row h3{font-size:1.1rem;}
.flow-row p{color:var(--graphite);font-size:0.9rem;}
@media (max-width:780px){.flow-row{grid-template-columns:60px 1fr;gap:6px 14px;align-items:start;}.flow-row p{grid-column:2;}}

/* ---------- SIGNS ---------- */
.signs{display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px;max-width:920px;}
.sign{display:flex;gap:14px;align-items:flex-start;padding:16px 0;border-bottom:1px solid var(--line);font-size:0.97rem;}
.sign::before{content:'';flex:none;width:9px;height:9px;margin-top:11px;background:var(--amber);transform:rotate(45deg);}
@media (max-width:780px){.signs{grid-template-columns:1fr;}}

/* ---------- AREA ---------- */
.area-row{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);margin-bottom:24px;}
.area-row div{background:var(--paper-warm);padding:22px 18px;text-align:center;font-family:'Zen Kaku Gothic New',sans-serif;font-weight:700;font-size:1.05rem;}
.area-row div small{display:block;font-family:'Noto Sans JP',sans-serif;font-weight:400;font-size:0.75rem;color:var(--graphite);margin-top:2px;}
.area-note{color:var(--graphite);max-width:60ch;font-size:0.95rem;}
@media (max-width:640px){.area-row{grid-template-columns:repeat(2,1fr);}}

/* ---------- FAQ ---------- */
.faq details{border-bottom:1px solid var(--line);padding:20px 0;}
.faq details:first-of-type{border-top:1px solid var(--line);}
.faq summary{cursor:pointer;font-weight:700;font-family:'Zen Kaku Gothic New','Noto Sans JP',sans-serif;font-size:1.05rem;list-style:none;display:flex;justify-content:space-between;gap:20px;}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:'+';color:var(--steel-deep);font-size:1.3rem;line-height:1.3;}
.faq details[open] summary::after{content:'−';}
.faq details p{margin-top:12px;color:var(--graphite);font-size:0.93rem;max-width:64ch;}

/* ---------- COMPANY ---------- */
.info-table{width:100%;max-width:820px;border-collapse:collapse;font-size:0.94rem;}
.info-table tr{border-bottom:1px solid var(--line);}
.info-table tr:first-child{border-top:1px solid var(--line);}
.info-table th,.info-table td{padding:16px 0;text-align:left;vertical-align:top;font-weight:400;}
.info-table th{color:var(--graphite);width:150px;font-weight:500;}
@media (max-width:640px){.info-table th{width:96px;}}

/* ---------- CTA BAND ---------- */
.cta{text-align:center;}
.cta .section-head{margin:0 auto 36px;}
.cta .section-head p{margin-inline:auto;}
.cta .eyebrow{justify-content:center;}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}

/* ---------- CONTACT FORM ---------- */
.contact-wrap{display:grid;grid-template-columns:1fr 1.5fr;gap:6vw;align-items:start;}
.contact-side h2{font-size:1.4rem;margin-bottom:14px;}
.contact-side p{color:var(--graphite);font-size:0.94rem;margin-bottom:22px;}
.tel-big{display:block;font-family:'Zen Kaku Gothic New',sans-serif;font-weight:900;font-size:clamp(1.7rem,3vw,2.2rem);margin:6px 0 4px;}
.side-note{font-size:0.84rem;color:var(--graphite);}
.form-row{margin-bottom:24px;}
.form-row > label,.form-row > .label{display:block;font-weight:700;font-size:0.92rem;margin-bottom:8px;}
.req{color:var(--danger);font-size:0.74rem;font-weight:700;margin-left:8px;}
.opt{color:var(--graphite);font-size:0.74rem;font-weight:500;margin-left:8px;}
input[type=text],input[type=email],input[type=tel],textarea{width:100%;font:inherit;font-size:16px;padding:13px 14px;border:1.5px solid rgba(28,32,36,0.35);background:#fff;border-radius:0;color:var(--ink);}
input:focus,textarea:focus{border-color:var(--ink);outline:2px solid var(--amber);outline-offset:1px;}
textarea{min-height:170px;resize:vertical;}
.choices{display:flex;flex-direction:column;gap:10px;}
.choices label{display:flex;gap:10px;align-items:center;padding:13px 14px;background:#fff;border:1.5px solid rgba(28,32,36,0.35);cursor:pointer;font-size:0.94rem;}
.choices input{accent-color:var(--ink);width:18px;height:18px;flex:none;}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden;}
.form-note{font-size:0.82rem;color:var(--graphite);margin:6px 0 26px;}
.notice{padding:22px 24px;border:1.5px solid var(--ink);background:#fff;max-width:640px;margin-bottom:28px;}
.notice.error{border-color:var(--danger);}
.notice h2{font-size:1.2rem;margin-bottom:8px;}
.notice ul{margin:8px 0 0 1.2em;}
@media (max-width:900px){.contact-wrap{grid-template-columns:1fr;gap:44px;}}

/* ---------- FOOTER ---------- */
footer.site{padding:56px 6vw 40px;background:var(--ink);color:rgba(255,255,255,0.72);font-size:0.86rem;}
footer.site .foot-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;margin-bottom:36px;}
footer.site .logo{color:#fff;margin-bottom:14px;}
footer.site address{font-style:normal;line-height:1.9;}
footer.site a:hover{color:#fff;text-decoration:underline;}
footer.site ul{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:10px 24px;}
footer.site .copy{border-top:1px solid rgba(255,255,255,0.14);padding-top:22px;font-size:0.78rem;}
@media (max-width:780px){footer.site .foot-grid{grid-template-columns:1fr;}}

/* ---------- MOBILE CALL BAR ---------- */
.mbar{display:none;}
@media (max-width:860px){
  .mbar{display:grid;grid-template-columns:1fr 1fr;position:fixed;bottom:0;left:0;right:0;z-index:90;box-shadow:0 -2px 12px rgba(28,32,36,0.18);}
  .mbar a{padding:14px 10px;text-align:center;font-weight:700;font-size:0.92rem;}
  .mbar .tel{background:var(--amber);color:var(--ink);}
  .mbar .form{background:var(--ink);color:#fff;}
  body{padding-bottom:52px;}
}

.case-process{background:var(--line);text-align:center;}.case-process img{display:block;width:100%;max-width:640px;height:auto;margin:0 auto;}

.recruit-photos{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin-top:56px;}
.recruit-photos figure{grid-column:span 2;margin:0;background:#fff;border:1px solid var(--line);}
.recruit-photos figure:nth-child(n+4){grid-column:span 3;}
.recruit-photos img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;}
.recruit-photos figcaption{padding:10px 14px;font-size:0.86rem;color:var(--graphite);}
@media (max-width:780px){.recruit-photos{grid-template-columns:1fr 1fr;gap:8px;margin-top:40px;}.recruit-photos figure,.recruit-photos figure:nth-child(n+4){grid-column:span 1;}.recruit-photos figure:last-child{grid-column:span 2;}}

input[type=file]{width:100%;font:inherit;font-size:16px;padding:12px 14px;border:1.5px dashed rgba(28,32,36,0.35);background:#fff;color:var(--ink);}
.file-hint{font-size:0.82rem;color:var(--graphite);margin-top:8px;}
.photo-preview{display:grid;grid-template-columns:repeat(auto-fill,minmax(84px,1fr));gap:8px;margin-top:10px;}
.photo-preview:empty{display:none;}
.photo-preview img{width:100%;aspect-ratio:1/1;object-fit:cover;border:1px solid var(--line);}
.photo-preview .pp-msg{grid-column:1/-1;font-size:0.84rem;color:var(--graphite);}
.photo-preview .pp-err{color:#a4281c;}
.btn[disabled]{opacity:0.6;cursor:wait;}

footer.site .sns{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
footer.site .sns a{display:inline-block;border:1px solid rgba(255,255,255,0.4);padding:7px 14px;font-size:0.84rem;color:#fff;}
footer.site .sns a:hover{background:rgba(255,255,255,0.12);}
.sns-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px;}

.sns-band{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px 32px;background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding-block:22px;}
.sns-band p{margin:0;font-size:0.95rem;line-height:1.7;max-width:640px;}
.sns-band .sns-row{margin-top:0;}