:root{--primary:#0F6B5C;--primary-dark:#0A5044;--primary-soft:#E3F0EC;--primary-line:#BFDCD3;--ai:#FF7A59;--ai-dark:#E0562F;--ai-soft:#FFF1EB;--ai-line:#FFD2C3;--bg:#FAF8F4;--surface:#fff;--ink:#23302C;--muted:#5E6E69;--line:#E6E1D6;--tint:#F5F2EA;--r:16px;--r-lg:24px;--shadow:0 2px 4px rgba(35,48,44,.04),0 14px 40px rgba(35,48,44,.08)}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic UI","Meiryo",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;font-size:16px;line-height:1.85;-webkit-text-size-adjust:100%}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary)}
h1,h2,h3,h4{line-height:1.45;margin:0 0 .5em;color:var(--ink)}
p{margin:0 0 1em}
ul,ol{padding-left:1.4em;margin:0 0 1em}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.narrow{max-width:820px}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;padding:8px 12px;z-index:100}
/* header */
.hd{position:sticky;top:0;z-index:50;background:rgba(250,248,244,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.hd .wrap{display:flex;align-items:center;gap:18px;height:68px}
.hd .logo img{height:40px;width:auto}
.nav{display:flex;gap:4px;margin-left:auto;align-items:center}
.nav a{padding:8px 12px;border-radius:999px;color:var(--ink);text-decoration:none;font-weight:600;font-size:14.5px;white-space:nowrap}
.nav a:hover{background:var(--primary-soft)}
.burger{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:12px;padding:8px 12px;font:inherit;font-weight:700;color:var(--ink)}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink);font:inherit;font-weight:700;text-decoration:none;cursor:pointer;line-height:1.4}
.btn:hover{background:var(--tint)}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}
.btn-lg{padding:16px 32px;font-size:17px}
.nav .btn{padding:9px 18px;font-size:14px}
.nav .btn-primary{color:#fff}.nav .btn-primary:hover{background:var(--primary-dark)}
/* sections */
section{padding:84px 0}
.sec-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.eyebrow{display:inline-block;font-size:13px;font-weight:800;letter-spacing:.12em;color:var(--primary);margin-bottom:10px}
.eyebrow.ai{color:var(--ai-dark)}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-head h2{font-size:clamp(26px,3.6vw,38px)}
.lead{color:var(--muted);font-size:17.5px}
/* hero */
.hero{padding:64px 0 72px;background:linear-gradient(180deg,#fff 0,var(--bg) 100%)}
.hero .wrap{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:48px;align-items:center}
.hero h1 em{white-space:nowrap}
.hero h1{font-size:clamp(30px,4.2vw,50px);letter-spacing:.02em;margin-bottom:.35em}
.hero h1 em{font-style:normal;color:var(--primary)}
.hero .sub{font-size:19px;color:var(--muted);margin-bottom:28px}
.cta{display:flex;gap:12px;flex-wrap:wrap}
.hero .note{margin-top:18px;font-size:14px;color:var(--muted)}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:999px;background:var(--primary-soft);color:var(--primary-dark);font-weight:700;font-size:13.5px}
.chip.ai{background:var(--ai-soft);color:var(--ai-dark)}
/* screenshots */
.shot{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden}
.shot img{width:100%}
.shot figcaption{padding:12px 16px;font-size:14px;color:var(--muted);border-top:1px solid var(--line);background:var(--tint)}
.shot figcaption b{color:var(--ink)}
.shot.phone{max-width:300px;margin:0 auto}
/* grids */
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(3,minmax(0,1fr))}.g4{grid-template-columns:repeat(4,minmax(0,1fr))}.g5{grid-template-columns:repeat(5,minmax(0,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;box-shadow:0 1px 2px rgba(35,48,44,.03)}
.card h3{font-size:19px}
.card .ic{width:44px;height:44px;border-radius:14px;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.card .ic svg{width:24px;height:24px}
.card ul{margin:10px 0 0;font-size:15px;color:var(--muted)}
.pain .card{background:var(--tint);border-color:transparent}
.area-tag{font-size:12px;font-weight:800;color:var(--primary);letter-spacing:.08em}
/* AI */
.ai-box{background:var(--ai-soft);border:1px solid var(--ai-line);border-radius:var(--r-lg);padding:32px}
.ai-mark{display:inline-flex;align-items:center;gap:4px;height:22px;padding:0 10px;border-radius:999px;background:var(--ai);color:#fff;font-size:12px;font-weight:800;letter-spacing:.06em;vertical-align:middle}
.ai-mark svg{width:11px;height:11px}
.principle{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:24px 0}
.principle div{background:#fff;border:1px solid var(--ai-line);border-radius:var(--r);padding:18px}
.principle b{display:block;margin-bottom:4px;color:var(--ai-dark)}
.ai-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 24px;list-style:none;padding:0;margin:0}
.ai-list li{display:flex;gap:12px;align-items:baseline;padding:10px 0;border-bottom:1px solid var(--ai-line);font-size:15px}
.ai-list .id{font-size:12px;font-weight:800;color:var(--ai-dark);min-width:48px}
.ai-list small{display:block;color:var(--muted);font-size:13px;line-height:1.6}
/* gallery */
.gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.gallery .shot a{display:block}
/* price */
.price{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;align-items:stretch}
.plan{background:#fff;border:2px solid var(--primary);border-radius:var(--r-lg);padding:32px;box-shadow:var(--shadow)}
.plan.alt{border-color:var(--line);box-shadow:none}
.plan h3{font-size:18px;color:var(--primary-dark)}
.amount{font-size:clamp(34px,5vw,48px);font-weight:800;letter-spacing:.01em;line-height:1.2}
.amount small{font-size:16px;font-weight:600;color:var(--muted)}
.plan ul{list-style:none;padding:0;margin:18px 0 0}
.plan li{padding:7px 0 7px 28px;position:relative;border-bottom:1px solid var(--tint);font-size:15.5px}
.plan li::before{content:"";position:absolute;left:4px;top:15px;width:12px;height:7px;border-left:2px solid var(--primary);border-bottom:2px solid var(--primary);transform:rotate(-45deg)}
table.t{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;font-size:15px}
table.t th,table.t td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
table.t th{background:var(--tint);width:30%;font-weight:700}
.tw{overflow-x:auto}
/* steps */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;list-style:none;padding:0}
.steps li{counter-increment:s;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px 16px;position:relative}
.steps li::before{content:counter(s);display:flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:var(--primary);color:#fff;font-weight:800;margin-bottom:10px}
.steps b{display:block;margin-bottom:4px}
.steps span{font-size:14px;color:var(--muted);line-height:1.7;display:block}
/* faq */
details.faq{background:#fff;border:1px solid var(--line);border-radius:var(--r);margin-bottom:12px;padding:0 22px}
details.faq summary{cursor:pointer;font-weight:700;padding:18px 0;list-style:none;display:flex;gap:12px;justify-content:space-between;align-items:center}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{content:"+";font-size:22px;color:var(--primary)}
details.faq[open] summary::after{content:"−"}
details.faq .a{padding:0 0 18px;color:var(--muted)}
/* form */
.form{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:32px;box-shadow:var(--shadow)}
.fgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-weight:700;font-size:14.5px;margin-bottom:6px}
.field .req{font-size:11px;background:var(--ai-soft);color:var(--ai-dark);border-radius:6px;padding:1px 6px;margin-left:6px}
input,select,textarea{width:100%;font:inherit;padding:12px 14px;border:1px solid #D8D2C4;border-radius:12px;background:#fff;color:var(--ink)}
textarea{min-height:140px;resize:vertical}
input:focus,select:focus,textarea:focus,.btn:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--primary-line);outline-offset:2px}
.hp{position:absolute;left:-5000px;width:1px;height:1px;overflow:hidden}
.msg{padding:14px 16px;border-radius:12px;margin-top:16px;font-weight:600}
.msg.ok{background:var(--primary-soft);color:var(--primary-dark)}.msg.ng{background:#FBE7E4;color:#9B2C26}
.small{font-size:13.5px;color:var(--muted)}
/* footer */
.ft{background:var(--primary-dark);color:#DCEBE6;padding:56px 0 32px;font-size:14.5px}
.ft a{color:#fff}
.ft .cols{display:grid;grid-template-columns:minmax(0,2fr) repeat(2,minmax(0,1fr));gap:32px}
.ft h4{color:#fff;font-size:14px;letter-spacing:.08em}
.ft ul{list-style:none;padding:0;margin:0}.ft li{margin-bottom:8px}
.ft .logo-plate{display:inline-flex;background:#fff;border-radius:14px;padding:8px 14px;margin-bottom:14px}.ft .logo-plate img{height:34px;width:auto}
.ft .copy{margin-top:32px;padding-top:18px;border-top:1px solid rgba(255,255,255,.18);font-size:13px}
/* doc pages (legal / manual) */
.doc{padding:48px 0 80px}
.doc h1{font-size:clamp(26px,4vw,36px);margin-bottom:.3em}
.doc h2{font-size:22px;margin-top:2.2em;padding-bottom:8px;border-bottom:2px solid var(--primary-soft)}
.doc h3{font-size:18px;margin-top:1.6em}
.doc .updated{color:var(--muted);font-size:14px;margin-bottom:28px}
.doc ol.num>li{margin-bottom:.6em}
/* manual */
.mlayout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:40px;align-items:start}
.toc{position:sticky;top:84px;max-height:calc(100vh - 100px);overflow:auto;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px;font-size:14.5px}
.toc h4{font-size:13px;letter-spacing:.1em;color:var(--muted)}
.toc ul{list-style:none;padding:0;margin:0 0 14px}.toc li a{display:block;padding:5px 8px;border-radius:8px;text-decoration:none;color:var(--ink)}
.toc li a:hover,.toc li a.on{background:var(--primary-soft);color:var(--primary-dark);font-weight:700}
.toc .sub a{padding-left:20px;font-size:13.5px;color:var(--muted)}
.msearch{margin-bottom:14px}
.results{list-style:none;padding:0;margin:8px 0 0}.results li a{display:block;padding:8px 10px;border-radius:8px;text-decoration:none;color:var(--ink);border:1px solid var(--line);margin-bottom:6px;font-size:14px}
.results li a:hover{background:var(--primary-soft)}.results small{display:block;color:var(--muted)}
.manual h2{scroll-margin-top:84px}
.fid{display:inline-block;font-size:12px;font-weight:800;background:var(--primary-soft);color:var(--primary-dark);border-radius:8px;padding:2px 8px;margin-right:8px;vertical-align:middle;letter-spacing:.04em}
.fid.ai{background:var(--ai-soft);color:var(--ai-dark)}
.manual .shot{margin:1.2em 0 1.6em;max-width:880px}
.steps-list{counter-reset:st;list-style:none;padding:0}
.steps-list li{counter-increment:st;padding:10px 0 10px 44px;position:relative;border-bottom:1px solid var(--tint)}
.steps-list li::before{content:counter(st);position:absolute;left:0;top:10px;width:28px;height:28px;border-radius:50%;background:var(--primary);color:#fff;font-weight:800;font-size:14px;display:flex;align-items:center;justify-content:center}
.callout{background:var(--primary-soft);border-left:4px solid var(--primary);border-radius:0 12px 12px 0;padding:14px 18px;margin:1.2em 0}
.callout.ai{background:var(--ai-soft);border-color:var(--ai)}
.callout.warn{background:#FCF0D8;border-color:#B9770E}
mark{background:#FFE8A3;border-radius:3px}
.pn{display:flex;justify-content:space-between;gap:12px;margin-top:48px;flex-wrap:wrap}
.crumb{font-size:14px;color:var(--muted);margin-bottom:16px}
.crumb a{color:var(--muted)}
@media (max-width:980px){
 .g4,.g5{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(2,minmax(0,1fr))}
 .hero .wrap{grid-template-columns:minmax(0,1fr)}.steps{grid-template-columns:repeat(2,minmax(0,1fr))}.gallery{grid-template-columns:repeat(2,minmax(0,1fr))}
 .mlayout{grid-template-columns:minmax(0,1fr)}.toc{position:static;max-height:none}
}
@media (max-width:760px){
 section{padding:56px 0}.hd .wrap{height:60px}
 .burger{display:block}.nav{display:none;position:absolute;left:0;right:0;top:60px;background:var(--bg);flex-direction:column;align-items:stretch;padding:12px 20px 20px;border-bottom:1px solid var(--line);gap:4px}
 .nav.open{display:flex}.nav a{padding:12px}
 .g2,.g3,.g4,.g5,.price,.principle,.ai-list,.gallery,.fgrid,.ft .cols,.steps{grid-template-columns:minmax(0,1fr)}
 .hero{padding:36px 0 48px}.form,.plan,.ai-box{padding:22px}
 table.t th{width:36%}
}
@media print{.hd,.ft,.toc,.pn,.cta,.msearch{display:none!important}body{background:#fff;font-size:11pt}.mlayout{display:block}.shot{box-shadow:none;break-inside:avoid}a{color:inherit;text-decoration:none}.doc h2{break-after:avoid}.doc{padding:0}}