:root{--navy:#12294d;--navy2:#1d3d6e;--teal:#12857f;--teal-l:#e4f3f2;--ink:#1f2a37;--mute:#5d6b7c;--line:#dfe5ec;--bg:#f5f8fb;--white:#fff;--warm:#f0a93b;--r:14px;--sh:0 10px 30px rgba(18,41,77,.08)}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;color:var(--ink);background:#fff;line-height:1.85;font-size:16px;overflow-x:hidden;padding-bottom:0}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
.wrap{width:min(1120px,92%);margin:0 auto}
h1,h2,h3,h4{font-family:"Zen Kaku Gothic New","Noto Sans JP",sans-serif;line-height:1.45;color:var(--navy);font-weight:700}
.demo-note{background:#fff7e0;color:#6b4e00;font-size:12px;line-height:1.5;text-align:center;padding:6px 12px;border-bottom:1px solid #f0dca0}
.banner{display:none;background:#b3261e;color:#fff;text-align:center;padding:10px 14px;font-size:14.5px;font-weight:700}
.banner.on{display:block}
/* header */
.hd{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--line)}
.hd .in{display:flex;align-items:center;gap:18px;height:72px}
.logo{display:flex;align-items:center;gap:10px;font-family:"Zen Kaku Gothic New",sans-serif;font-weight:700;color:var(--navy);flex:none}
.logo .mk{width:34px;height:34px;flex:none}
.logo b{font-size:19px;letter-spacing:.04em;line-height:1.1}
.logo small{display:block;font-size:10.5px;font-weight:500;color:var(--mute);letter-spacing:.12em}
.gnav{display:flex;gap:2px;margin-left:auto;align-items:center}
.gnav a{padding:8px 11px;font-size:14.5px;font-weight:500;color:var(--ink);border-radius:8px;white-space:nowrap}
.gnav a:hover,.gnav a.cur{color:var(--teal)}
.gnav a.cta{background:var(--teal);color:#fff;padding:10px 18px;margin-left:8px;font-weight:700}
.gnav a.cta:hover{background:#0e6d68;color:#fff}
.burger{display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:10px;position:relative;z-index:170;cursor:pointer}
.burger i{position:absolute;left:11px;right:11px;height:2px;background:var(--navy);transition:.25s}
.burger i:nth-child(1){top:14px}.burger i:nth-child(2){top:21px}.burger i:nth-child(3){top:28px}
.burger[aria-expanded=true] i:nth-child(1){top:21px;transform:rotate(45deg)}
.burger[aria-expanded=true] i:nth-child(2){opacity:0}
.burger[aria-expanded=true] i:nth-child(3){top:21px;transform:rotate(-45deg)}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--teal);color:#fff;font-weight:700;padding:14px 26px;border-radius:999px;border:2px solid var(--teal);font-size:15.5px;cursor:pointer;font-family:inherit;transition:.2s}
.btn:hover{background:#0e6d68;border-color:#0e6d68}
.btn.ghost{background:#fff;color:var(--teal)}
.btn.ghost:hover{background:var(--teal-l)}
.btn.navy{background:var(--navy);border-color:var(--navy)}
.btn svg{width:18px;height:18px}
/* hero */
.hero{background:linear-gradient(180deg,#f2f8fb 0%,#fff 100%);padding:56px 0 40px;overflow:hidden}
.hero .grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.eyebrow{font-size:12.5px;letter-spacing:.2em;color:var(--teal);font-weight:700;text-transform:uppercase;margin-bottom:10px}
.hero h1{font-size:clamp(28px,4vw,46px);letter-spacing:.01em;margin-bottom:18px}
.hero h1 em{font-style:normal;background:linear-gradient(transparent 62%,#bfe6e2 62%)}
.hero .lead{color:var(--mute);font-size:16.5px;max-width:34em;margin-bottom:24px}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap}
.vis{position:relative;aspect-ratio:1/.92}
.vis svg{width:100%;height:100%}
/* trouble nav */
.sec{padding:72px 0}
.sec.bg{background:var(--bg)}
.sec.navy{background:var(--navy);color:#fff}
.sec.navy h2,.sec.navy h3{color:#fff}
.h2{font-size:clamp(24px,3vw,32px);margin-bottom:8px}
.h2s{color:var(--mute);margin-bottom:34px;font-size:15.5px}
.center{text-align:center}
.trouble{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.trouble a{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px;transition:.2s;box-shadow:var(--sh)}
.trouble a:hover{transform:translateY(-3px);border-color:var(--teal)}
.trouble .ic{width:44px;height:44px;border-radius:12px;background:var(--teal-l);color:var(--teal);display:grid;place-items:center;flex:none}
.trouble .ic svg{width:24px;height:24px}
.trouble b{display:block;font-size:16px;color:var(--navy);line-height:1.5;margin-bottom:4px}
.trouble span{font-size:13.5px;color:var(--mute);line-height:1.7}
.trouble em{display:block;margin-top:8px;font-style:normal;font-size:13px;font-weight:700;color:var(--teal)}
/* numbers */
.nums{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid rgba(255,255,255,.25);border-bottom:1px solid rgba(255,255,255,.25)}
.nums div{padding:26px 14px;text-align:center;border-left:1px solid rgba(255,255,255,.2)}
.nums div:first-child{border-left:0}
.nums b{display:block;font-family:"Zen Kaku Gothic New",sans-serif;font-size:clamp(30px,4vw,44px);line-height:1.2}
.nums b small{font-size:.45em;margin-left:3px}
.nums span{font-size:13px;opacity:.85}
/* strengths */
.str{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.str article{background:#fff;border-radius:var(--r);padding:30px 26px;box-shadow:var(--sh);border-top:4px solid var(--teal)}
.str .no{font-family:"Zen Kaku Gothic New",sans-serif;color:var(--teal);font-weight:700;font-size:13px;letter-spacing:.16em}
.str h3{font-size:19px;margin:6px 0 10px}
.str p{font-size:14.5px;color:var(--mute)}
/* services */
.svc{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.svc a{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.2s}
.svc a:hover{box-shadow:var(--sh);transform:translateY(-3px)}
.svc .th{height:150px;display:grid;place-items:center;color:#fff}
.svc .th svg{width:64px;height:64px}
.svc .bd{padding:22px}
.svc h3{font-size:19px;margin-bottom:6px}
.svc p{font-size:14.5px;color:var(--mute)}
.svc .more,.more{display:inline-block;margin-top:10px;font-weight:700;color:var(--teal);font-size:14px}
.t1{background:linear-gradient(135deg,#12857f,#2fb3a9)}.t2{background:linear-gradient(135deg,#1d3d6e,#3e6ab0)}.t3{background:linear-gradient(135deg,#d9822b,#f0a93b)}
/* works */
.works{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.wk{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:block;transition:.2s}
.wk:hover{box-shadow:var(--sh)}
.wk .th{height:140px;padding:18px;display:flex;align-items:flex-end;color:#fff;font-weight:700;font-family:"Zen Kaku Gothic New",sans-serif;font-size:18px;line-height:1.4}
.wk .bd{padding:18px 20px 22px}
.tag{display:inline-block;font-size:12px;background:var(--teal-l);color:var(--teal);padding:2px 10px;border-radius:99px;font-weight:700;margin-right:6px}
.wk h3{font-size:16.5px;margin:8px 0 4px}
.wk p{font-size:13.5px;color:var(--mute)}
/* flow */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:f}
.flow li{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px 18px;position:relative;counter-increment:f}
.flow li::before{content:"STEP " counter(f);display:block;font-size:12px;color:var(--teal);font-weight:700;letter-spacing:.14em;margin-bottom:6px}
.flow b{display:block;font-size:16.5px;color:var(--navy);margin-bottom:4px}
.flow span{font-size:13.5px;color:var(--mute);line-height:1.7;display:block}
/* news */
.two{display:grid;grid-template-columns:1.4fr 1fr;gap:40px}
.nl li{border-bottom:1px solid var(--line)}
.nl a,.nl .row{display:flex;gap:14px;align-items:baseline;padding:15px 4px;flex-wrap:wrap}
.nl time{font-size:13.5px;color:var(--mute);font-variant-numeric:tabular-nums;min-width:84px}
.nl .lab{font-size:11.5px;font-weight:700;background:var(--bg);border:1px solid var(--line);padding:1px 10px;border-radius:99px;color:var(--navy);min-width:68px;text-align:center}
.nl a:hover span:last-child{color:var(--teal)}
.recruit-box{background:linear-gradient(135deg,var(--navy),var(--navy2));color:#fff;border-radius:var(--r);padding:30px 26px}
.recruit-box h3{color:#fff;font-size:20px;margin-bottom:8px}
.recruit-box p{font-size:14.5px;opacity:.92;margin-bottom:16px}
.recruit-box .st{display:inline-block;background:var(--warm);color:#3a2800;font-weight:700;font-size:12.5px;padding:2px 12px;border-radius:99px;margin-bottom:10px}
.recruit-box .st.off{background:#cdd6e2;color:#33425a}
.recruit-box .btn{background:#fff;color:var(--navy);border-color:#fff}
/* page head */
.ph{background:linear-gradient(180deg,#eef6f8,#fff);padding:46px 0 38px;border-bottom:1px solid var(--line)}
.ph h1{font-size:clamp(26px,3.4vw,38px)}
.ph .sub{color:var(--mute);margin-top:6px}
.crumb{font-size:12.5px;color:var(--mute);margin-bottom:12px}
.crumb a{color:var(--teal)}
.crumb span{margin:0 8px}
.prose{max-width:820px}
.prose h2{font-size:24px;margin:44px 0 14px;padding-left:14px;border-left:5px solid var(--teal)}
.prose h3{font-size:19px;margin:28px 0 8px}
.prose p{margin-bottom:14px}
.prose ul.ck li{padding-left:28px;position:relative;margin-bottom:8px}
.prose ul.ck li::before{content:"";position:absolute;left:4px;top:.55em;width:14px;height:8px;border-left:3px solid var(--teal);border-bottom:3px solid var(--teal);transform:rotate(-45deg) translateY(-3px)}
.box{background:var(--bg);border:1px solid var(--line);border-radius:var(--r);padding:22px 24px;margin:18px 0}
table.tb{width:100%;border-collapse:collapse;margin:14px 0 24px;font-size:15px}
table.tb th,table.tb td{border-bottom:1px solid var(--line);padding:14px 12px;text-align:left;vertical-align:top}
table.tb th{width:9em;color:var(--navy);background:var(--bg);font-weight:700}
.cta-band{background:linear-gradient(135deg,var(--teal),#0d6d68);color:#fff;text-align:center;padding:56px 0}
.cta-band h2{color:#fff;font-size:clamp(22px,3vw,30px);margin-bottom:8px}
.cta-band p{opacity:.92;margin-bottom:22px}
.cta-band .btn{background:#fff;color:var(--teal);border-color:#fff}
.cta-band .btn.ghost{background:transparent;color:#fff}
/* faq */
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:10px}
.faq summary{padding:16px 46px 16px 20px;cursor:pointer;font-weight:700;color:var(--navy);list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"Q";color:var(--teal);margin-right:10px;font-family:"Zen Kaku Gothic New",sans-serif}
.faq summary::after{content:"+";position:absolute;right:18px;top:12px;font-size:22px;color:var(--teal)}
.faq details[open] summary::after{content:"−"}
.faq details p{padding:0 20px 18px;color:var(--ink)}
/* form */
.fm{max-width:760px}
.fm .row{margin-bottom:20px}
.fm label{display:block;font-weight:700;margin-bottom:6px;color:var(--navy);font-size:14.5px}
.fm label i{font-style:normal;background:#b3261e;color:#fff;font-size:11px;padding:1px 7px;border-radius:5px;margin-left:8px}
.fm input,.fm select,.fm textarea{width:100%;border:1px solid #c5cfdb;border-radius:10px;padding:13px 14px;font:inherit;background:#fff}
.fm input:focus,.fm select:focus,.fm textarea:focus{outline:3px solid #bfe6e2;border-color:var(--teal)}
.fm textarea{min-height:160px}
.fm .err{color:#b3261e;font-size:13px;margin-top:4px;display:none}
.fm .row.bad .err{display:block}
.fm .row.bad input,.fm .row.bad textarea{border-color:#b3261e}
/* cards (column) */
.cg{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cc{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:block}
.cc:hover{box-shadow:var(--sh)}
.cc .im{height:120px}
.cc .bd{padding:18px 20px 22px}
.cc time{font-size:12.5px;color:var(--mute)}
.cc h3{font-size:16.5px;margin:6px 0}
.cc p{font-size:13.5px;color:var(--mute)}
/* team */
.team{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.team div{text-align:center}
.team .av{width:100%;aspect-ratio:1;border-radius:50%;max-width:130px;margin:0 auto 10px;display:grid;place-items:center;color:#fff;font-family:"Zen Kaku Gothic New",sans-serif;font-size:30px;font-weight:700}
.team small{display:block;color:var(--mute);font-size:12.5px}
/* footer */
.ft{background:#0d1d38;color:#c9d4e4;padding:50px 0 22px;font-size:14px}
.ft .g{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
.ft h4{color:#fff;font-size:14px;margin-bottom:10px;letter-spacing:.06em}
.ft li{margin-bottom:6px}
.ft a:hover{color:#fff;text-decoration:underline}
.ft .cp{margin-top:34px;padding-top:18px;border-top:1px solid rgba(255,255,255,.15);font-size:12px;opacity:.8}
.spbar{display:none}
.toast{position:fixed;left:50%;bottom:90px;transform:translateX(-50%) translateY(20px);background:#0d1d38;color:#fff;padding:12px 20px;border-radius:12px;font-size:14px;opacity:0;pointer-events:none;transition:.3s;z-index:300;max-width:90%}
.toast.on{opacity:1;transform:translateX(-50%) translateY(0)}
/* admin */
.adm{display:grid;grid-template-columns:230px 1fr;gap:0;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff;box-shadow:var(--sh)}
.adm aside{background:#1b2638;color:#c9d4e4;padding:22px 0}
.adm aside b{display:block;color:#fff;padding:0 22px 14px;font-size:14px}
.adm aside a{display:block;padding:10px 22px;font-size:14px}
.adm aside a.on{background:#2a3a55;color:#fff;border-left:4px solid var(--teal)}
.adm main{padding:26px}
.adm h3{font-size:18px;margin-bottom:12px}
.adm .card{border:1px solid var(--line);border-radius:12px;padding:20px;margin-bottom:20px}
.adm .card .fm{max-width:none}
.pub{background:var(--teal);color:#fff;border:0;border-radius:8px;padding:11px 24px;font-weight:700;cursor:pointer;font-family:inherit;font-size:15px}
.pub:hover{background:#0e6d68}
.pub.sub{background:#fff;color:var(--mute);border:1px solid var(--line)}
.steps{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:22px;font-size:13.5px}
.steps span{background:var(--teal-l);color:#0b5f5a;padding:3px 12px;border-radius:99px;font-weight:700}
.note{font-size:13px;color:var(--mute)}
/* map plan */
.sm{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.sm h3{font-size:16px;margin-bottom:8px;border-bottom:2px solid var(--teal);padding-bottom:6px}
.sm li{padding:3px 0;font-size:14.5px}
.sm li a{color:var(--teal);font-weight:700;text-decoration:underline}
.sm li.todo{color:var(--mute)}
.sm li.todo::after{content:"（本番制作）";font-size:11.5px;margin-left:4px}
/* responsive */
@media(max-width:1040px){.gnav a{padding:8px 7px;font-size:13.5px}}
@media(max-width:900px){
 .hd .in{height:64px}
 .burger{display:block}
 .gnav{display:none;position:fixed;inset:0;z-index:160;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:128px 6% 30px;overflow:auto;margin:0}
 .gnav.on{display:flex}
 .gnav a{padding:16px 6px;font-size:17px;border-bottom:1px solid var(--line);border-radius:0}
 .gnav a.cta{margin:20px 0 0;text-align:center;border-radius:999px;border:0}
 .hero{padding:34px 0 24px}
 .hero .grid{grid-template-columns:1fr;gap:20px}
 .vis{max-width:420px;margin:0 auto;width:100%}
 .trouble,.str,.svc,.works,.cg,.sm{grid-template-columns:1fr}
 .flow{grid-template-columns:1fr 1fr}
 .nums{grid-template-columns:1fr 1fr}
 .nums div:nth-child(3){border-left:0}
 .nums div:nth-child(n+3){border-top:1px solid rgba(255,255,255,.2)}
 .two{grid-template-columns:1fr;gap:28px}
 .team{grid-template-columns:1fr 1fr}
 .ft .g{grid-template-columns:1fr 1fr}
 .ft .g>div:first-child{grid-column:1/-1}
 .sec{padding:52px 0}
 .adm{grid-template-columns:1fr}
 .adm aside{display:flex;overflow:auto;padding:0}
 .adm aside b{display:none}
 .adm aside a{white-space:nowrap}
 .spbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:80;background:#fff;border-top:1px solid var(--line);padding:8px 10px calc(8px + env(safe-area-inset-bottom));gap:8px}
 .spbar .btn{flex:1;padding:12px 8px;font-size:14px}
 body{padding-bottom:68px}
 .toast{bottom:84px}
 table.tb th{width:7em}
}
@media(max-width:520px){.flow{grid-template-columns:1fr}.logo b{font-size:17px}}