:root{
  --ink:#0f2340;--ink-2:#1b3358;--text:#1d2633;--muted:#5b6676;--line:#dde3ea;
  --bg:#ffffff;--bg-2:#f4f6f9;--accent:#b8132c;--ok:#1f7a4d;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  --sans:"Noto Sans JP","Hiragino Kaku Gothic ProN","Hiragino Sans",Meiryo,sans-serif;
  --wrap:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.85;letter-spacing:.02em}
img{max-width:100%;height:auto;display:block}
a{color:var(--ink)}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:16px;background:#fff;padding:8px 12px;z-index:99}

/* header */
.hd{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:saturate(1.2) blur(6px)}
.hd .wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}
.logo img{height:42px;width:auto}
@media (max-width:560px){.logo img{height:34px}}
.logo b{display:block;font-weight:800;font-size:19px;letter-spacing:.06em;line-height:1.1}
.logo small{display:block;font-size:10px;letter-spacing:.28em;color:var(--muted);line-height:1.4}
.nav{display:flex;align-items:center;gap:22px;font-size:14px}
.nav a{text-decoration:none;color:var(--text)}
.nav a:hover{color:var(--accent)}
.nav .tel{font-family:var(--mono);font-weight:600;color:var(--ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;border-radius:4px;font-weight:700;font-size:15px;text-decoration:none;border:1px solid var(--ink);transition:background .15s,color .15s}
.btn-primary{background:var(--ink);color:#fff}.btn-primary:hover{background:var(--ink-2)}
.btn-ghost{background:#fff;color:var(--ink)}.btn-ghost:hover{background:var(--bg-2)}
.nav .btn{min-height:40px;padding:0 16px;font-size:14px}
.nav .btn-primary,.nav .btn-primary:hover{color:#fff}
@media (max-width:900px){.nav a:not(.btn):not(.tel){display:none}}
@media (max-width:560px){.nav .tel{display:none}.logo small{letter-spacing:.18em}}

/* hero */
.hero{padding:72px 0 64px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#fff 0%,var(--bg-2) 100%)}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.eyebrow{font-family:var(--mono);font-size:13px;letter-spacing:.24em;color:var(--accent);font-weight:600;margin:0 0 18px}
.hero h1{font-size:clamp(30px,4.4vw,48px);line-height:1.4;color:var(--ink);margin:0 0 22px;font-weight:800;letter-spacing:.04em}
.hero h1 span{display:inline-block}
.lead{font-size:17px;color:var(--text);margin:0 0 30px;max-width:34em}
.cta{display:flex;flex-wrap:wrap;gap:12px}
.note{font-size:13px;color:var(--muted);margin:14px 0 0}

/* report panel (signature) */
.report{margin:0;background:#fff;border:1px solid var(--line);border-radius:6px;box-shadow:0 10px 30px rgba(15,35,64,.08);overflow:hidden}
.report-hd{display:flex;flex-wrap:wrap;gap:4px 12px;justify-content:space-between;align-items:center;background:var(--ink);color:#fff;padding:12px 18px;font-size:13px}
.report-hd b{font-weight:700;letter-spacing:.06em}
.report-hd span{font-family:var(--mono);opacity:.8}
.report table{width:100%;border-collapse:collapse;font-size:14px}
.report th,.report td{padding:12px 18px;border-bottom:1px solid var(--line);text-align:left}
.report th{font-size:12px;color:var(--muted);font-weight:500;background:var(--bg-2)}
.report td.num{font-family:var(--mono);text-align:right;white-space:nowrap}
.report td.num em{display:block;font-style:normal;font-size:11px;color:var(--muted)}
.report-ft{padding:12px 18px;font-size:12px;color:var(--muted);line-height:1.7}
.dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#3ddc84;margin-right:8px;vertical-align:middle}

/* sections */
section{padding:88px 0}
section.alt{background:var(--bg-2)}
.sec-hd{margin-bottom:44px}
.sec-hd .eyebrow{margin-bottom:10px}
.sec-hd h2{font-size:clamp(24px,3vw,32px);line-height:1.5;color:var(--ink);margin:0;font-weight:800}
.sec-hd p{color:var(--muted);margin:12px 0 0;max-width:40em}

/* worries */
.worries{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:14px;list-style:none;margin:0;padding:0}
.worries li{background:#fff;border:1px solid var(--line);border-left:4px solid var(--ink);padding:18px 20px;font-weight:500}

/* services */
.svc{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.svc article{background:#fff;border:1px solid var(--line);border-radius:6px;padding:30px 26px;display:flex;flex-direction:column}
.svc .s-no{font-family:var(--mono);font-size:12px;letter-spacing:.2em;color:var(--accent);font-weight:600}
.svc h3{font-size:26px;letter-spacing:.06em;color:var(--ink);margin:6px 0 2px;font-weight:800}
.svc .s-ja{font-weight:700;margin:0 0 14px}
.svc ul{margin:0 0 20px;padding-left:1.1em;color:var(--text);font-size:15px}
.svc ul li{margin:4px 0}
.svc .price{margin-top:auto;border-top:1px solid var(--line);padding-top:14px;font-size:14px;color:var(--muted)}
.svc .price b{font-family:var(--mono);font-size:20px;color:var(--ink)}
@media (max-width:900px){.svc{grid-template-columns:1fr}.hero .wrap{grid-template-columns:1fr;gap:40px}}

/* works */
.works{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.work{background:#fff;border:1px solid var(--line);border-radius:6px;padding:26px}
.work .tag{display:inline-block;font-size:12px;border:1px solid var(--line);border-radius:999px;padding:2px 10px;color:var(--muted);margin-bottom:10px}
.work h3{margin:0 0 6px;font-size:19px;color:var(--ink)}
.work p{margin:0 0 14px;font-size:15px}
.work dl{display:grid;grid-template-columns:auto 1fr;gap:4px 16px;margin:0 0 14px;font-size:14px}
.work dt{color:var(--muted)}
.work dd{margin:0;font-family:var(--mono)}
.work a.url{font-size:14px;word-break:break-all}
.src{font-size:12px;color:var(--muted);margin-top:18px}
@media (max-width:760px){.works{grid-template-columns:1fr}}

/* flow */
.flow{list-style:none;margin:0;padding:0;counter-reset:f;display:grid;gap:12px}
.flow li{counter-increment:f;display:grid;grid-template-columns:64px 1fr;gap:18px;background:#fff;border:1px solid var(--line);padding:20px 22px;border-radius:6px}
.flow li::before{content:counter(f,decimal-leading-zero);font-family:var(--mono);font-size:22px;font-weight:600;color:var(--accent)}
.flow h3{margin:0;font-size:17px;color:var(--ink)}
.flow p{margin:4px 0 0;font-size:15px;color:var(--muted)}

/* pricing */
.ptable{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);font-size:15px}
.ptable caption{text-align:left;font-weight:800;color:var(--ink);font-size:18px;padding:0 0 12px}
.ptable th,.ptable td{border-bottom:1px solid var(--line);padding:14px 18px;text-align:left;vertical-align:top}
.ptable thead th{background:var(--ink);color:#fff;font-size:13px;font-weight:600}
.ptable td.p{font-family:var(--mono);font-weight:600;color:var(--ink);white-space:nowrap}
.ptable + .ptable{margin-top:36px}
.pnote{font-size:13px;color:var(--muted);margin:18px 0 0;padding-left:1.1em}
.tablewrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
@media (max-width:640px){
  .ptable thead{display:none}
  .ptable tr{display:block;border-bottom:1px solid var(--line);padding:10px 0}
  .ptable td,.ptable th{display:block;border:0;padding:4px 16px}
  .ptable th{padding-top:8px}
}

/* faq */
.faq details{background:#fff;border:1px solid var(--line);border-radius:6px;margin-bottom:10px}
.faq summary{cursor:pointer;padding:18px 22px;font-weight:700;color:var(--ink);list-style:none;position:relative;padding-right:48px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);font-family:var(--mono);font-size:20px;color:var(--muted)}
.faq details[open] summary::after{content:"\2212"}
.faq details p{margin:0;padding:0 22px 18px;font-size:15px}

/* company */
.co{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);font-size:15px}
.co th,.co td{border-bottom:1px solid var(--line);padding:16px 20px;text-align:left;vertical-align:top}
.co th{width:9em;background:var(--bg-2);font-weight:600;color:var(--ink);white-space:nowrap}
@media (max-width:560px){.co th,.co td{display:block;width:auto}.co th{border-bottom:0;padding-bottom:4px}.co td{padding-top:0}}

/* contact */
.contact{background:var(--ink);color:#fff}
.contact .sec-hd h2,.contact .eyebrow{color:#fff}
.contact .sec-hd p{color:rgba(255,255,255,.75)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.contact-box{border:1px solid rgba(255,255,255,.25);border-radius:6px;padding:26px}
.contact-box h3{margin:0 0 10px;font-size:15px;color:rgba(255,255,255,.8);font-weight:600}
.contact-box a.big{display:block;font-family:var(--mono);font-size:clamp(20px,2.6vw,26px);font-weight:600;color:#fff;text-decoration:none;word-break:break-all}
.contact-box p{margin:8px 0 0;font-size:13px;color:rgba(255,255,255,.7)}
.contact ol{margin:28px 0 0;padding-left:1.3em;color:rgba(255,255,255,.85);font-size:15px}
@media (max-width:760px){.contact-grid{grid-template-columns:1fr}}

/* footer */
.ft{background:#0a182d;color:rgba(255,255,255,.7);font-size:13px;padding:36px 0}
.ft .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px}
.ft a{color:rgba(255,255,255,.85)}
.ft-logo{display:flex;align-items:center;gap:16px}
.ft-logo img{height:30px;width:auto}

/* privacy page */
.doc{padding:64px 0 88px}
.doc h1{color:var(--ink);font-size:28px;margin:0 0 8px}
.doc h2{color:var(--ink);font-size:18px;margin:36px 0 8px}
.doc .wrap{max-width:780px}

@media (max-width:560px){.report th,.report td{padding:10px 12px}.wrap{padding:0 16px}section{padding:64px 0}.hero{padding:48px 0}}

/* mobile fixed contact bar */
.mbar{display:none}
@media (max-width:760px){
  .mbar{display:grid;grid-template-columns:1fr 1fr;position:fixed;left:0;right:0;bottom:0;z-index:30;background:#fff;border-top:1px solid var(--line);padding:8px 12px calc(8px + env(safe-area-inset-bottom));gap:8px}
  .mbar a{display:flex;align-items:center;justify-content:center;min-height:48px;border-radius:4px;font-weight:700;text-decoration:none;border:1px solid var(--ink);color:var(--ink);font-size:15px}
  .mbar a+a{background:var(--ink);color:#fff}
  .ft{padding-bottom:96px}
}

.report td em.sub{display:block;font-style:normal;font-size:12px;color:var(--muted)}
.report td.num.up{color:var(--ok);font-weight:600}
.co-video{margin:0 0 32px}.co-video video{display:block;width:100%;height:auto;aspect-ratio:16/9;border-radius:8px;border:1px solid var(--line);background:#0f2340}.co-video figcaption{font-size:13px;color:var(--muted);margin-top:8px}
.hero .wrap{align-items:end}.hero .wrap+.wrap{display:block;margin-top:40px}
.hero-video{margin:0}.hero-video video{display:block;width:100%;height:auto;aspect-ratio:16/9;border-radius:8px;border:1px solid var(--line);background:#0f2340;box-shadow:0 18px 50px rgba(15,35,64,.14)}
.hero-video.is-vertical video{aspect-ratio:9/16}.hero-video figcaption{font-size:12px;color:var(--muted);margin-top:10px}
.report-works{max-width:720px;margin-top:32px}
.ft-nav{display:flex;flex-wrap:wrap;gap:6px 18px;font-size:13px;width:100%}.ft-nav a{color:inherit;opacity:.85}
.crumb{font-size:12px;color:var(--muted);margin-bottom:18px}.crumb a{color:inherit}
.doc ol,.doc ul{padding-left:1.4em;margin:0 0 1em}.doc li{margin:.4em 0;line-height:1.8}.doc details{border-top:1px solid var(--line);padding:12px 0}.doc details summary{cursor:pointer;font-weight:700}
.seo-stats-h{font-size:20px;color:var(--ink);margin:40px 0 14px}
.seo-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;max-width:720px}.seo-stats>div{border:1px solid var(--line);border-top:4px solid var(--ink);border-radius:6px;padding:18px 20px;background:#fff}.seo-stats b{font-family:var(--mono);font-size:44px;color:var(--ink);line-height:1}.seo-stats span{font-size:16px;font-weight:700;margin-left:4px;color:var(--ink)}.seo-stats p{font-size:13px;color:var(--muted);margin-top:6px}.seo-stats .seo-stats-note{grid-column:1/-1;font-size:12px;margin:0}