:root{
  --ink:#14181c;
  --ink-soft:#3c454e;
  --muted:#6b7683;
  --line:#e3e7ec;
  --bg:#ffffff;
  --bg-soft:#f6f7f8;
  --accent:#1d4d33;
  --accent-soft:#e9f1ec;
  --black:#0e1113;
  --radius:14px;
  --max:1080px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"Hiragino Kaku Gothic ProN","Hiragino Sans","Noto Sans JP","Yu Gothic",YuGothic,Meiryo,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.85;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}

/* header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.94);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand img{height:34px;width:auto}
.main-nav{display:flex;align-items:center;gap:28px}
.main-nav a{color:var(--ink);font-size:14.5px;font-weight:600;letter-spacing:.02em}
.main-nav a:hover{color:var(--accent);text-decoration:none}
.main-nav a.nav-cta{
  background:var(--black);color:#fff;padding:9px 18px;border-radius:999px;
}
.main-nav a.nav-cta:hover{background:var(--accent);color:#fff}
.nav-toggle{display:none;background:none;border:0;font-size:24px;cursor:pointer;color:var(--ink)}
@media(max-width:820px){
  .nav-toggle{display:block}
  .main-nav{
    display:none;position:absolute;top:68px;left:0;right:0;
    background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:flex-start;gap:0;padding:8px 24px 16px;
  }
  .main-nav.open{display:flex}
  .main-nav a{padding:10px 0;width:100%}
  .main-nav a.nav-cta{text-align:center;margin-top:8px}
}

/* hero */
.hero{padding:84px 0 64px;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.35fr .85fr;gap:48px;align-items:center}
.hero h1{font-size:40px;line-height:1.45;font-weight:800;letter-spacing:.01em}
.hero h1 .accent{color:var(--accent)}
.hero .sub{font-size:21px;font-weight:700;margin-top:14px}
.hero p.lead{margin-top:20px;color:var(--ink-soft);font-size:16.5px}
.hero-photo{border-radius:var(--radius);overflow:hidden}
.hero-photo img{width:100%;height:100%;object-fit:cover}
.btn-row{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.btn{
  display:inline-block;padding:13px 28px;border-radius:999px;font-weight:700;font-size:15px;
  border:1.5px solid var(--black);color:var(--black);background:#fff;transition:.15s;
}
.btn:hover{text-decoration:none;background:var(--bg-soft)}
.btn.primary{background:var(--black);color:#fff}
.btn.primary:hover{background:var(--accent);border-color:var(--accent)}
@media(max-width:820px){
  .hero{padding:52px 0 44px}
  .hero-grid{grid-template-columns:1fr}
  .hero h1{font-size:30px}
  .hero .sub{font-size:18px}
}

/* stat bar */
.stats{border-bottom:1px solid var(--line);background:var(--bg-soft)}
.stats .wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding-top:30px;padding-bottom:30px}
.stat .num{font-size:24px;font-weight:800;line-height:1.4}
.stat .num span{font-size:14px;font-weight:700;color:var(--accent)}
.stat .label{font-size:13px;color:var(--muted);margin-top:4px;line-height:1.6}
.stats.four .wrap{grid-template-columns:repeat(4,1fr)}
@media(max-width:820px){.stats .wrap{grid-template-columns:1fr}.stats.four .wrap{grid-template-columns:1fr 1fr}}
.stats.domains .wrap{display:block;padding-top:0;padding-bottom:30px}
.stats.domains .dlabel{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.08em;margin-bottom:12px}
.domain-tags{display:flex;flex-wrap:wrap;gap:10px}
.domain-tags span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 18px;font-size:14px;font-weight:700}

/* sections */
section.block{padding:72px 0}
section.block.soft{background:var(--bg-soft)}
.sec-head{margin-bottom:36px}
.sec-head .kicker{font-size:13px;font-weight:700;letter-spacing:.18em;color:var(--accent);text-transform:uppercase}
.sec-head h2{font-size:29px;font-weight:800;line-height:1.5;margin-top:8px}
.sec-head p{color:var(--ink-soft);margin-top:12px;max-width:720px}
@media(max-width:820px){section.block{padding:52px 0}.sec-head h2{font-size:24px}}

/* issue list */
.issue-list{list-style:none;display:grid;gap:12px;max-width:820px}
.issue-list li{
  background:#fff;border:1px solid var(--line);border-radius:10px;padding:16px 20px 16px 48px;position:relative;font-size:15.5px;
}
section.block.soft .issue-list li{background:#fff}
.issue-list li::before{
  content:"";position:absolute;left:20px;top:26px;width:10px;height:10px;border-radius:2px;background:var(--accent);
}
.issue-note{margin-top:22px;font-size:19px;font-weight:800}

/* service cards */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card{
  border:1px solid var(--line);border-radius:var(--radius);padding:28px;background:#fff;
  display:flex;flex-direction:column;gap:10px;
}
.card h3{font-size:19px;font-weight:800}
.card p{color:var(--ink-soft);font-size:15px;flex:1}
.card a{font-weight:700;font-size:14.5px}
.cards.single{grid-template-columns:1fr}
@media(max-width:820px){.cards{grid-template-columns:1fr}}

/* service detail */
.service-detail{border-top:1px solid var(--line);padding:52px 0}
.service-detail:first-of-type{border-top:0}
.service-detail h3{font-size:24px;font-weight:800;margin-bottom:6px}
.service-detail h4{font-size:15px;font-weight:800;margin:26px 0 8px;color:var(--accent);letter-spacing:.04em}
.service-detail ul{padding-left:1.2em;color:var(--ink-soft);font-size:15.5px}
.service-detail p{color:var(--ink-soft);font-size:15.5px;max-width:820px}
.service-detail .proof{background:var(--accent-soft);border-radius:10px;padding:16px 20px;font-size:14.5px;color:var(--ink)}
.service-detail .proof strong{color:var(--accent)}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step{border:1px solid var(--line);border-radius:var(--radius);padding:26px;background:#fff}
.step .no{font-size:13px;font-weight:800;color:var(--accent);letter-spacing:.15em}
.step h3{font-size:18px;font-weight:800;margin:8px 0}
.step p{font-size:14.5px;color:var(--ink-soft)}
@media(max-width:820px){.steps{grid-template-columns:1fr}}

/* profile summary / founder */
.profile-grid{display:grid;grid-template-columns:300px 1fr;gap:44px;align-items:start}
.profile-photo{border-radius:var(--radius);overflow:hidden}
.profile-photo img{width:100%}
.profile-grid h3{font-size:22px;font-weight:800}
.profile-grid .role{color:var(--accent);font-weight:700;font-size:14.5px;margin:4px 0 16px}
.profile-grid p{color:var(--ink-soft);font-size:15.5px}
@media(max-width:820px){.profile-grid{grid-template-columns:1fr}.profile-photo{max-width:280px}}

.timeline{display:grid;gap:0}
.tl-item{display:grid;grid-template-columns:170px 1fr;gap:24px;padding:22px 0;border-top:1px solid var(--line)}
.tl-item:first-child{border-top:0}
.tl-item .when{font-size:13.5px;color:var(--muted);font-weight:700;padding-top:4px}
.tl-item h4{font-size:16.5px;font-weight:800}
.tl-item h4 .badge{
  display:inline-block;background:var(--accent);color:#fff;font-size:11.5px;font-weight:700;
  border-radius:999px;padding:2px 10px;margin-left:8px;vertical-align:2px;
}
.tl-item p{color:var(--ink-soft);font-size:15px;margin-top:4px}
@media(max-width:820px){.tl-item{grid-template-columns:1fr;gap:4px}}

.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.principle{border:1px solid var(--line);border-radius:var(--radius);padding:26px;background:#fff}
.principle h3{font-size:17px;font-weight:800;line-height:1.6;margin-bottom:10px}
.principle p{font-size:14.5px;color:var(--ink-soft)}
@media(max-width:820px){.principles{grid-template-columns:1fr}}

.tags{display:flex;flex-wrap:wrap;gap:10px}
.tags span{border:1px solid var(--line);border-radius:999px;padding:6px 16px;font-size:13.5px;font-weight:600;background:#fff}

/* tables */
.info-table{width:100%;border-collapse:collapse;font-size:15.5px}
.info-table th,.info-table td{border-top:1px solid var(--line);padding:16px 12px;text-align:left;vertical-align:top}
.info-table th{width:170px;font-weight:800;background:var(--bg-soft);white-space:nowrap}
.info-table tr:last-child th,.info-table tr:last-child td{border-bottom:1px solid var(--line)}
@media(max-width:820px){.info-table th{width:110px}}

/* matcha teaser */
.matcha{background:var(--black);color:#fff;border-radius:var(--radius);padding:40px}
.matcha h3{font-size:22px;font-weight:800}
.matcha p{color:#cfd6dc;margin-top:10px;max-width:640px;font-size:15.5px}
.matcha a{color:#fff;font-weight:700;text-decoration:underline}

/* cta */
.cta-block{background:var(--accent-soft);border-radius:var(--radius);padding:44px;text-align:center}
.cta-block h2{font-size:26px;font-weight:800;line-height:1.55}
.cta-block p{color:var(--ink-soft);margin:14px auto 26px;max-width:560px;font-size:15.5px}
@media(max-width:820px){.cta-block{padding:32px 22px}.cta-block h2{font-size:22px}}

/* page head */
.page-head{padding:64px 0 8px}
.page-head h1{font-size:34px;font-weight:800}
.page-head .sub{font-size:19px;font-weight:700;margin-top:10px;color:var(--ink)}
.page-head p{color:var(--ink-soft);margin-top:14px;max-width:760px}
@media(max-width:820px){.page-head h1{font-size:27px}}

/* form */
.contact-form{max-width:680px;display:grid;gap:20px}
.field label{display:block;font-weight:700;font-size:14.5px;margin-bottom:7px}
.field label .req{color:#b3261e;font-size:12.5px;margin-left:6px}
.field label .opt{color:var(--muted);font-size:12.5px;margin-left:6px}
.field input,.field select,.field textarea{
  width:100%;border:1px solid #c9d1d9;border-radius:9px;padding:12px 14px;font-size:15.5px;font-family:inherit;background:#fff;
}
.field textarea{min-height:150px;resize:vertical}
.field .hint{font-size:13px;color:var(--muted);margin-top:6px}
.check{display:flex;gap:10px;align-items:flex-start;font-size:14.5px}
.check input{margin-top:6px}
.form-note{font-size:13.5px;color:var(--muted)}
.thanks-box{display:none;background:var(--accent-soft);border-radius:var(--radius);padding:32px;max-width:680px}
.thanks-box h2{font-size:22px;font-weight:800;margin-bottom:10px}

/* legal / privacy text */
.doc-body{max-width:820px}
.doc-body h2{font-size:19px;font-weight:800;margin:34px 0 10px}
.doc-body h2:first-child{margin-top:0}
.doc-body p,.doc-body li{color:var(--ink-soft);font-size:15px}
.doc-body ul{padding-left:1.3em;margin:6px 0}
.doc-body .sign{margin-top:44px;color:var(--ink-soft);font-size:15px}

/* footer */
.site-footer{background:var(--black);color:#dfe4e8;margin-top:0}
.site-footer .wrap{padding-top:48px;padding-bottom:36px}
.footer-top{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap}
.footer-brand img{height:36px;width:auto}
.footer-brand .slogan{font-size:13.5px;color:#9aa5ae;margin-top:12px;letter-spacing:.03em}
.footer-nav{display:flex;gap:44px;flex-wrap:wrap}
.footer-nav div{display:grid;gap:8px;align-content:start}
.footer-nav a{color:#dfe4e8;font-size:14px}
.footer-nav a:hover{color:#fff}
.copyright{border-top:1px solid #2a3138;margin-top:36px;padding-top:20px;font-size:13px;color:#8b959e}

/* AIO: FAQ */
.faq{max-width:820px;margin:0 auto}
.faq-item{border-top:1px solid #c9d1d9;padding:22px 4px}
.faq-item:last-child{border-bottom:1px solid #c9d1d9}
.faq-item dt{font-weight:600;color:#1d4d33;margin-bottom:8px}
.faq-item dt::before{content:"Q. "}
.faq-item dd{color:#3c454e;line-height:1.9}
.faq-item dd::before{content:"A. ";font-weight:600;color:#1d4d33}