:root{
  --ink:#171717;
  --muted:#656565;
  --line:#e7e4df;
  --paper:#ffffff;
  --soft:#f6f4f1;
  --accent:#b3272e;
  --accent-dark:#8f1f25;
  --max:1160px;
  --radius:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--ink);
  background:var(--paper);
  font-family:"Noto Sans JP","Hiragino Sans","Yu Gothic UI","Yu Gothic",Meiryo,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-weight:400;
  line-height:1.78;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,strong{font-synthesis:none}
h1,h2,h3{word-break:normal;line-break:strict}
.no-break{white-space:nowrap}
.mobile-break{display:none}
.container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(232,230,226,.85)}
.nav-wrap{height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:11px;font-weight:700;letter-spacing:-.02em}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--ink);color:#fff;display:grid;place-items:center;font-size:12px;font-weight:700;letter-spacing:.04em}
.nav-links{display:flex;align-items:center;gap:26px;font-size:13px;color:#424242;font-weight:500}
.nav-links a:hover{color:var(--accent)}
.nav-cta{border:1px solid var(--ink);border-radius:999px;padding:9px 16px}
.menu-button{display:none;background:none;border:0;font:inherit;font-weight:600}
.hero{padding:104px 0 86px;background:linear-gradient(180deg,#fff 0%,#fbfaf8 100%)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.28fr) minmax(340px,.72fr);gap:56px;align-items:center}
.eyebrow{font-size:11px;font-weight:700;letter-spacing:.18em;color:var(--accent);margin:0 0 18px}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(40px,5.25vw,68px);line-height:1.18;letter-spacing:-.045em;margin-bottom:28px;font-weight:700}
h1 span{color:var(--accent)}
.hero-lead{font-size:17px;max-width:760px;color:#4f4f4f;margin-bottom:34px;line-height:1.9}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:20px}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 21px;border-radius:999px;font-size:13px;font-weight:600;border:1px solid transparent;transition:.2s ease}
.button.primary{background:var(--accent);color:#fff}.button.primary:hover{background:var(--accent-dark);transform:translateY(-1px)}
.button.secondary{border-color:#cfcac3;background:#fff}.button.secondary:hover{border-color:var(--ink)}
.button.dark{background:var(--ink);color:#fff}.button.full{width:100%}
.micro{font-size:11px;color:#808080;margin:0}
.hero-panel{background:var(--ink);color:#fff;border-radius:28px;padding:30px 30px 26px;box-shadow:0 20px 64px rgba(0,0,0,.10)}
.panel-kicker{font-size:10px;letter-spacing:.19em;color:#9f9f9f;margin-bottom:7px}
.panel-item{display:grid;grid-template-columns:38px 1fr;gap:14px;padding:20px 0;border-bottom:1px solid #363636}
.panel-item:last-child{border-bottom:0;padding-bottom:2px}
.panel-item>span{font-size:10px;color:#9c9c9c;padding-top:4px}
.panel-item strong{display:block;font-size:16px;font-weight:600;letter-spacing:-.01em}
.panel-item p{margin:4px 0 0;color:#c1c1c1;font-size:12px;line-height:1.75;font-weight:400}
.trust-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.trust-grid>div{padding:26px 24px;border-right:1px solid var(--line)}
.trust-grid>div:first-child{padding-left:0}.trust-grid>div:last-child{border-right:0}
.trust-grid strong{display:block;font-size:13px;margin-bottom:5px;font-weight:600}.trust-grid span{display:block;color:var(--muted);font-size:11px}
.section{padding:94px 0}
.section-heading{max-width:780px;margin-bottom:44px}.section-heading.compact{margin-bottom:34px}
.section-heading h2,.sample-intro h2,.pricing-grid h2,.guarantee h2,.contact-grid h2{font-size:clamp(31px,3.7vw,46px);line-height:1.28;letter-spacing:-.035em;margin-bottom:16px;font-weight:700}
.section-heading>p:last-child,.pricing-grid>div>p:last-child,.contact-grid>div>p:last-child{color:var(--muted);font-size:15px;line-height:1.9}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{border:1px solid var(--line);border-radius:var(--radius);padding:30px;background:#fff}
.card-no{font-size:10px;font-weight:700;color:var(--accent);letter-spacing:.15em}
.card h3{font-size:20px;line-height:1.45;letter-spacing:-.02em;margin:26px 0 10px;font-weight:600}
.card p{color:var(--muted);font-size:13px;line-height:1.85}
.card ul{padding:0;margin:22px 0 0;list-style:none;border-top:1px solid var(--line)}
.card li{font-size:12.5px;padding:11px 0;border-bottom:1px solid var(--line)}
.usecase-section{background:#fff;border-top:1px solid var(--line)}
.usecase-list{border-top:1px solid var(--line)}
.usecase-item{display:grid;grid-template-columns:72px 1fr;gap:24px;padding:26px 0;border-bottom:1px solid var(--line);align-items:start}
.usecase-item>span{font-size:10px;font-weight:700;letter-spacing:.12em;color:var(--accent);padding-top:5px}
.usecase-item h3{font-size:20px;font-weight:600;letter-spacing:-.015em;margin-bottom:7px}
.usecase-item p{max-width:800px;color:var(--muted);font-size:13px;line-height:1.85;margin:0}
.sample-section{background:var(--soft)}
.sample-intro{display:grid;grid-template-columns:1fr auto;gap:40px;align-items:end;margin-bottom:34px}
.sample-intro p{max-width:760px;color:var(--muted);font-size:14px;line-height:1.9}
.sample-grid{display:grid;grid-template-columns:1.5fr .7fr;gap:18px}
.sample-main,.sample-side figure{margin:0;background:#fff;border-radius:18px;overflow:hidden;border:1px solid var(--line)}
.sample-main img{aspect-ratio:16/10;object-fit:cover;width:100%}.sample-side{display:grid;gap:18px}.sample-side img{aspect-ratio:16/10;object-fit:cover;width:100%}
figcaption{font-size:11px;color:#666;padding:12px 14px}
.sample-facts{display:grid;grid-template-columns:repeat(4,1fr);margin-top:18px;border:1px solid var(--line);background:#fff;border-radius:18px;overflow:hidden}
.sample-facts>div{padding:20px;border-right:1px solid var(--line)}.sample-facts>div:last-child{border-right:0}
.sample-facts span{display:block;font-size:10px;color:#888;margin-bottom:4px}.sample-facts strong{font-size:12.5px;font-weight:600}.sample-note{font-size:10.5px;color:#888;margin:14px 0 0}
.process-section{border-bottom:1px solid var(--line)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.step{padding:28px 26px;border-right:1px solid var(--line)}.step:first-child{padding-left:0}.step:last-child{border-right:0}
.step span{font-size:10px;color:var(--accent);font-weight:700}.step h3{font-size:18px;font-weight:600;margin:18px 0 8px}.step p{font-size:12.5px;line-height:1.85;color:var(--muted);margin:0}
.pricing-section{background:#fff}.pricing-grid{display:grid;grid-template-columns:1fr 440px;gap:80px;align-items:center}
.price-card{border:1px solid var(--line);border-radius:28px;padding:32px;background:var(--soft)}
.price-label{font-size:12px;font-weight:600;margin-bottom:8px}.price{font-size:58px;letter-spacing:-.055em;line-height:1;margin:10px 0 24px;font-weight:700}
.price>span:first-child{font-size:25px;vertical-align:top;margin-right:4px}.price .from{font-size:21px;margin-left:5px}
.price-card ul{list-style:none;padding:0;margin:0 0 28px}.price-card li{padding:10px 0;border-top:1px solid #dedad4;font-size:12.5px}
.guarantee-section{background:var(--ink);color:#fff}
.guarantee{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:84px;align-items:start}
.eyebrow.light{color:#e9757c}.guarantee-intro>p:last-child{color:#bdbdbd;font-size:13px;line-height:1.85;max-width:480px}
.policy-list{border-top:1px solid #343434}.policy-item{display:grid;grid-template-columns:44px 1fr;gap:14px;padding:19px 0;border-bottom:1px solid #343434}
.policy-item>span{font-size:10px;color:#969696;padding-top:3px}.policy-item strong{display:block;font-size:15px;font-weight:600;margin-bottom:4px}.policy-item p{margin:0;color:#bdbdbd;font-size:12px;line-height:1.8}
.small{font-size:11px!important;color:#8a8a8a!important}.guarantee .small{color:#8f8f8f!important}.policy-note{margin:14px 0 0}
.faq-list{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line);padding:20px 0}
summary{cursor:pointer;font-weight:600;font-size:14px;list-style:none;padding-right:30px;position:relative}summary::-webkit-details-marker{display:none}summary::after{content:"+";position:absolute;right:0;top:-2px;font-size:23px;font-weight:400;color:#888}details[open] summary::after{content:"−"}
details p{max-width:800px;color:var(--muted);font-size:13px;line-height:1.85;margin:12px 0 0}
.contact-section{background:var(--soft)}.contact-grid{display:grid;grid-template-columns:1fr 440px;gap:80px;align-items:center}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:26px;padding:30px}.contact-label{font-size:11px;color:#777;margin-bottom:6px}.contact-mail{display:block;font-size:20px;font-weight:700;letter-spacing:-.025em;word-break:break-all;margin-bottom:10px}
.footer{padding:38px 0 48px;border-top:1px solid var(--line)}.footer-grid{display:grid;grid-template-columns:1fr auto auto;gap:38px;align-items:end}.footer-brand{margin-bottom:10px}.footer p{font-size:10.5px;color:#888;margin:0}.footer-links{display:flex;gap:18px;font-size:11px}.copyright{white-space:nowrap}
@media (max-width:900px){
  .nav-links{display:none}.menu-button{display:block}.nav-links.open{display:flex;position:absolute;top:74px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:18px 20px 24px;border-bottom:1px solid var(--line)}
  .hero{padding:70px 0 60px}.hero-grid,.pricing-grid,.guarantee,.contact-grid{grid-template-columns:1fr;gap:38px}.hero-panel{max-width:520px}
  .cards{grid-template-columns:1fr}.trust-grid{grid-template-columns:1fr 1fr}.trust-grid>div{border-bottom:1px solid var(--line)}.trust-grid>div:nth-child(2){border-right:0}
  .sample-intro{grid-template-columns:1fr}.sample-grid{grid-template-columns:1fr}.sample-side{grid-template-columns:1fr 1fr}.sample-facts{grid-template-columns:1fr 1fr}.sample-facts>div:nth-child(2){border-right:0}.sample-facts>div:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .steps{grid-template-columns:1fr 1fr}.step:nth-child(2){border-right:0}.step:nth-child(-n+2){border-bottom:1px solid var(--line)}.footer-grid{grid-template-columns:1fr;align-items:start}
}
@media (max-width:600px){
  .container{width:min(100% - 28px,var(--max))}.nav-wrap{height:66px}.brand{font-size:14px}.hero{padding-top:52px}.hero-grid{gap:34px}
  h1{font-size:38px;line-height:1.22;letter-spacing:-.04em}.hero-lead{font-size:15px;line-height:1.85}.hero-actions .button{width:100%}
  .section{padding:70px 0}.section-heading h2,.sample-intro h2,.pricing-grid h2,.guarantee h2,.contact-grid h2{font-size:32px;line-height:1.38;letter-spacing:-.03em}
  .mobile-break{display:block}.trust-grid{grid-template-columns:1fr}.trust-grid>div,.trust-grid>div:first-child{padding:18px 0;border-right:0}
  .card{padding:26px}.usecase-item{grid-template-columns:42px 1fr;gap:10px;padding:22px 0}.usecase-item h3{font-size:17px;line-height:1.55}.usecase-item p{font-size:12.5px}
  .sample-side{grid-template-columns:1fr}.sample-facts{grid-template-columns:1fr}.sample-facts>div{border-right:0!important;border-bottom:1px solid var(--line)!important}.sample-facts>div:last-child{border-bottom:0!important}
  .steps{grid-template-columns:1fr}.step,.step:first-child{padding:22px 0;border-right:0;border-bottom:1px solid var(--line)}.step:last-child{border-bottom:0}
  .guarantee{gap:30px}.policy-item{grid-template-columns:34px 1fr}.contact-mail{font-size:17px}.contact-card{padding:24px}
}