:root{
  --ink:#17242c; --muted:#5c6b73; --line:#dde5e8; --paper:#fff; --soft:#f3f8f7;
  --teal:#0b8f86; --teal-dark:#066b64; --amber:#e8912b; --coral:#e15b4f; --navy:#173b4f;
  --shadow:0 16px 42px rgba(20,35,42,.12); --radius:12px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,system-ui,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.wrap-narrow{max-width:820px;margin:0 auto;padding:0 24px}
section{padding:76px 0}
.eyebrow{display:inline-block;padding:5px 14px;border-radius:999px;background:var(--soft);color:var(--teal-dark);font-size:12.5px;font-weight:800;letter-spacing:.06em;border:1px solid rgba(11,143,134,.18)}
.section-title{margin:16px 0 18px;font-size:clamp(24px,3.6vw,36px);line-height:1.4;letter-spacing:-.01em;text-wrap:balance}
.section-lead{margin:0 0 8px;color:var(--muted);font-size:16.5px;max-width:680px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 26px;border-radius:999px;background:var(--navy);color:#fff;text-decoration:none;font-weight:800;font-size:15px;border:none;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(23,59,79,.28)}
.btn-line{background:#06c755}
.btn-ghost{background:#fff;color:var(--navy);border:1.5px solid var(--line)}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:22px}
.cta-note{margin-top:16px;color:var(--muted);font-size:13.5px}

/* header */
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{font-weight:900;font-size:19px;text-decoration:none;color:var(--navy)}
.brand small{display:block;font-size:11px;font-weight:700;color:var(--muted);letter-spacing:.02em}
.nav{display:flex;align-items:center;gap:26px;font-size:14.5px;font-weight:700}
.nav a{text-decoration:none;color:var(--ink)}
.nav a:hover{color:var(--teal-dark)}
.nav-cta{background:#06c755;color:#fff !important;padding:10px 20px;border-radius:999px}

/* hero */
.hero{position:relative;padding:64px 0 90px;background:linear-gradient(180deg,var(--soft),#fff)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.hero h1{margin:14px 0 18px;font-size:clamp(32px,4.6vw,52px);line-height:1.35;letter-spacing:-.01em;text-wrap:balance}
.hero-lead{font-size:18px;color:var(--muted);max-width:520px}
.hero-photo{border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}
.hero-photo img{width:100%;height:440px;object-fit:cover}

/* proof strip */
.proof{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:-46px;position:relative;z-index:5}
.proof-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow)}
.proof-item strong{display:block;font-size:clamp(22px,3vw,30px);color:var(--navy)}
.proof-item span{font-size:13.5px;color:var(--muted);font-weight:700}

/* grid / cards */
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.card h3{margin:0 0 8px;font-size:18px}
.card p{margin:0;color:var(--muted);font-size:15px}
.jinki{border-top:4px solid var(--amber)}
.jinki-no{display:inline-block;margin-bottom:8px;color:var(--amber);font-size:12px;font-weight:900;letter-spacing:.1em}

.band{background:var(--soft)}
.band-navy{background:var(--navy);color:#fff}
.band-navy .section-title{color:#fff}
.band-navy .section-lead{color:#cfe0e4}
.band-navy .eyebrow{background:rgba(255,255,255,.12);color:#bdece6;border-color:rgba(255,255,255,.24)}

/* compare */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:30px}
.compare-box{padding:24px;border-radius:var(--radius);background:#fff;border:1px solid var(--line)}
.compare-box.ng{border-color:rgba(225,91,79,.35)}
.compare-box.ok{border-color:rgba(11,143,134,.4);box-shadow:0 10px 26px rgba(11,143,134,.1)}
.compare-box>strong{display:inline-block;margin-bottom:10px;padding:4px 12px;border-radius:999px;color:#fff;font-size:13px;font-weight:900}
.compare-box.ng>strong{background:var(--coral)}
.compare-box.ok>strong{background:var(--teal)}
.compare-box p{margin:0 0 8px;font-weight:700;font-size:15px}
.compare-box .small{margin:0;color:var(--muted);font-size:13.5px;font-weight:500}

/* case gallery */
.case-card{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:#fff}
.case-photo{aspect-ratio:4/3;overflow:hidden}
.case-photo img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.case-card:hover .case-photo img{transform:scale(1.05)}
.case-body{padding:18px 20px}
.case-tag{display:inline-block;font-size:12px;font-weight:800;color:var(--teal-dark);background:var(--soft);padding:3px 10px;border-radius:999px;margin-bottom:8px}
.case-body h3{margin:0 0 6px;font-size:16.5px}
.case-body p{margin:0;color:var(--muted);font-size:14px}

/* reviews */
.review-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.stars{color:var(--amber);font-size:16px;letter-spacing:2px;margin-bottom:10px}
.review-card p{margin:0 0 12px;font-size:15px}
.review-name{color:var(--muted);font-size:13px;font-weight:700}

/* flow */
.flow{counter-reset:flow}
.flow-item{position:relative;padding-left:56px;margin-bottom:26px}
.flow-item:last-child{margin-bottom:0}
.flow-item::before{counter-increment:flow;content:counter(flow);position:absolute;left:0;top:0;width:38px;height:38px;border-radius:50%;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:15px}
.flow-item h3{margin:0 0 6px;font-size:16.5px}
.flow-item p{margin:0;color:var(--muted);font-size:14.5px}

/* faq */
.faq-item{border-bottom:1px solid var(--line);padding:22px 0}
.faq-item:first-child{padding-top:0}
.faq-item:last-child{border-bottom:none}
.faq-q{margin:0 0 8px;font-size:16px;font-weight:800;display:flex;gap:10px}
.faq-q::before{content:"Q";color:var(--teal);font-weight:900}
.faq-a{margin:0;color:var(--muted);display:flex;gap:10px}
.faq-a::before{content:"A";color:var(--amber);font-weight:900;flex-shrink:0}

/* signature / profile */
.signature{display:flex;gap:24px;align-items:center;margin-top:30px;padding:26px;border-radius:var(--radius);background:var(--soft)}
.signature img{width:120px;height:120px;object-fit:cover;border-radius:50%;flex-shrink:0;box-shadow:var(--shadow)}
.signature p{margin:0;font-size:15px}
.signature .name{font-weight:900;font-size:15px;margin-bottom:4px;color:var(--navy)}

/* booklet */
.booklet{display:flex;gap:28px;align-items:center;background:var(--soft);border-radius:var(--radius);padding:28px}
.booklet img{width:150px;border-radius:6px;box-shadow:var(--shadow);flex-shrink:0}

/* footer */
.footer{background:var(--navy);color:#cfe0e4;padding:56px 0 30px}
.footer h4{color:#fff;font-size:14px;margin:0 0 14px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px}
.footer ul{list-style:none;padding:0;margin:0;display:grid;gap:10px;font-size:14px}
.footer a{text-decoration:none;color:#cfe0e4}
.footer a:hover{color:#fff}
.footer-info{margin-top:40px;padding-top:24px;border-top:1px solid rgba(255,255,255,.14);font-size:13.5px;display:flex;gap:26px;flex-wrap:wrap}
.footer-bottom{margin-top:22px;font-size:12.5px;color:#9db3bd}

.fixed-cta{position:fixed;left:0;right:0;bottom:0;z-index:60;display:none;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(255,255,255,.95);border-top:1px solid var(--line);backdrop-filter:blur(10px);gap:10px}
.fixed-cta .btn{flex:1;justify-content:center}

/* blog */
.post-list{display:grid;gap:18px;margin-top:34px}
.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;text-decoration:none;display:block}
.post-card:hover{border-color:var(--teal)}
.post-tag{display:inline-block;font-size:12px;font-weight:800;color:var(--teal-dark);background:var(--soft);padding:3px 10px;border-radius:999px;margin-bottom:10px}
.post-card h2,.post-card h3{margin:0 0 8px;font-size:19px;color:var(--ink)}
.post-card p{margin:0;color:var(--muted);font-size:14.5px}
.prose h2{margin:40px 0 14px;font-size:22px}
.prose p{font-size:16px;color:var(--ink)}
.prose hr{border:none;border-top:1px solid var(--line);margin:30px 0}
.page-head{padding:52px 0 12px}
.crumb{font-size:13px;color:var(--muted);margin-bottom:14px}
.crumb a{text-decoration:none;color:var(--muted)}
.back-link{display:inline-block;margin:36px 0;text-decoration:none;color:var(--teal-dark);font-weight:700;font-size:14.5px}

@media (max-width:900px){
  .nav a:not(.nav-cta){display:none}
  .hero-grid{grid-template-columns:1fr}
  .hero-photo img{height:280px}
  .proof{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .compare{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .fixed-cta{display:flex}
  .signature{flex-direction:column;text-align:center}
  .booklet{flex-direction:column;text-align:center}
  section{padding:52px 0}
}