:root{
  --primary:#04528C; --primary-dark:#03416d; --orange:#F87716; --orange-dark:#EA5514;
  --accent:#2D837D; --accent-dark:#1f6862;
  --text:#2b2b2b; --text-light:#5f6b76; --line:#e5e8ec;
  --bg:#fff; --bg-alt:#f4f7fa; --radius:14px;
  --shadow:0 6px 24px rgba(4,82,140,.08); --shadow-lg:0 16px 40px rgba(4,82,140,.16);
  --wrap:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Noto Sans JP",system-ui,sans-serif;color:var(--text);line-height:1.8;background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.35;margin:0}
.container{width:min(100% - 40px,var(--wrap));margin-inline:auto}
.container.narrow{width:min(100% - 40px,820px)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4em;padding:13px 26px;border-radius:999px;font-weight:700;font-size:.98rem;border:2px solid transparent;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s,color .2s;line-height:1.2;text-decoration:none}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 6px 16px rgba(248,119,22,.35)}
.btn-primary:hover{background:var(--orange-dark);color:#fff}
.btn-outline{background:#fff;color:var(--primary);border-color:var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.6)}
.btn-ghost:hover{background:rgba(255,255,255,.22);color:#fff}
.btn-lg{padding:16px 32px;font-size:1.05rem}
.btn-block{width:100%}
.btn-nav{padding:9px 20px;font-size:.92rem}

/* Header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);transition:box-shadow .2s}
.site-header.scrolled{box-shadow:0 4px 18px rgba(0,0,0,.07)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:12px;color:var(--text)}
.brand:hover{text-decoration:none}
.brand-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-weight:800;font-size:1.1rem}
.brand-text b{display:block;font-size:1rem;line-height:1.3}
.brand-text small{display:block;font-size:.72rem;color:var(--text-light);font-weight:500}
.site-nav{display:flex;align-items:center;gap:26px}
.site-nav a{color:var(--text);font-weight:600;font-size:.95rem}
.site-nav a:hover{color:var(--primary);text-decoration:none}
.site-nav a.btn-nav{color:#fff}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;padding:8px;cursor:pointer}
.nav-toggle span{width:24px;height:2px;background:var(--text);transition:.3s}

/* Sections */
.sec{padding:76px 0}
.sec-alt{background:var(--bg-alt)}
.eyebrow{text-align:center;color:var(--orange);letter-spacing:.16em;font-weight:700;font-family:"Roboto",sans-serif;margin:0 0 6px}
.sec-title{text-align:center;font-size:clamp(1.5rem,3.4vw,2.1rem);color:var(--primary);margin:0 auto}
.sec-lead{max-width:860px;margin:18px auto 0;text-align:center;color:var(--text-light)}
.sec :where(.sec-title,.eyebrow,.sec-lead)+*{margin-top:40px}

/* Hero */
.hero{position:relative;overflow:hidden;color:#fff;isolation:isolate}
.hero-bg{position:absolute;inset:0;z-index:-1;background:
  radial-gradient(circle at 12% 18%,rgba(248,119,22,.28)0,transparent 42%),
  radial-gradient(circle at 90% 88%,rgba(45,131,125,.55)0,transparent 52%),
  linear-gradient(135deg,#04528C 0%,#1d4f7a 52%,#062f4f 100%)}
.hero-bg::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(115deg,rgba(255,255,255,.05)0 2px,transparent 2px 26px);opacity:.6}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;padding:72px 0 78px}
.hero-badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.hero-badges span{font-size:.82rem;font-weight:600;padding:6px 14px;border:1px solid rgba(255,255,255,.5);border-radius:999px;background:rgba(255,255,255,.08)}
.hero h1{font-size:clamp(1.9rem,5vw,3rem);font-weight:800;line-height:1.28}
.hero h1 em{font-style:normal;color:#FFD24A}
.hero-lead{font-size:1.08rem;line-height:1.9;opacity:.95;margin:18px 0 26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-visual img{border-radius:16px;box-shadow:var(--shadow-lg);width:100%;object-fit:cover}

/* Milestone */
.milestone{padding:44px 0 0;margin-top:-40px;position:relative;z-index:2}
.milestone-card{position:relative;overflow:hidden;text-align:center;color:#fff;padding:38px 26px 42px;border-radius:18px;
  background:radial-gradient(circle at 85% 15%,rgba(248,119,22,.35)0,transparent 45%),linear-gradient(135deg,#04528C,#2d837d);
  box-shadow:0 18px 40px rgba(4,82,140,.26)}
.milestone-badge{display:inline-block;padding:6px 18px;background:var(--orange);border-radius:999px;font-size:.85rem;font-weight:700}
.milestone-head{margin:16px 0 6px;font-size:clamp(1.4rem,4vw,2.2rem);font-weight:700;line-height:1.4}
.milestone-num{display:inline-flex;align-items:baseline;margin:0 6px;color:#FFD24A}
.milestone-num .fig{font-family:"Roboto",sans-serif;font-size:clamp(3rem,11vw,5.4rem);font-weight:800;line-height:1}
.milestone-num .unit{font-size:clamp(1.3rem,4vw,2rem);font-weight:700;margin-left:4px}
.milestone-head .hit{font-size:clamp(1.5rem,4.5vw,2.4rem);font-weight:800;margin-left:6px}
.milestone-sub{max-width:640px;margin:14px auto 0;opacity:.92;font-size:.95rem}

/* Trio */
.trio{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.trio-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s}
.trio-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.trio-head{--tc:var(--primary);--tcd:var(--primary-dark);background:linear-gradient(135deg,var(--tc),var(--tcd));color:#fff;padding:24px 22px 20px}
.is-collect .trio-head{--tc:var(--accent);--tcd:var(--accent-dark)}
.is-manage .trio-head{--tc:var(--orange);--tcd:var(--orange-dark)}
.trio-no{font-family:"Roboto",sans-serif;font-size:.74rem;font-weight:700;letter-spacing:.12em;opacity:.85}
.trio-head h3{font-size:1.4rem;margin:4px 0 8px}
.trio-head p{font-size:.9rem;opacity:.95;margin:0;line-height:1.7}
.ticks{list-style:none;margin:0;padding:20px 22px 24px;flex:1}
.ticks li{position:relative;padding-left:26px;margin-bottom:12px;font-size:.92rem;color:var(--text-light);line-height:1.6}
.ticks li:last-child{margin-bottom:0}
.ticks li::before{content:"✓";position:absolute;left:0;top:0;color:var(--accent);font-weight:800}

/* Issues */
.issue-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.issue{background:#fff;border-radius:14px;padding:26px 22px;box-shadow:var(--shadow);text-align:center}
.issue-ico{font-size:2rem;display:block;margin-bottom:8px}
.issue h3{font-size:1.05rem;margin-bottom:8px;color:var(--primary)}
.issue p{font-size:.88rem;color:var(--text-light);margin:0}

/* Features */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feat{background:#fff;border:1px solid var(--line);border-top:4px solid var(--primary);border-radius:12px;padding:26px 22px}
.feat h3{font-size:1.1rem;color:var(--text);margin-bottom:10px}
.feat p{font-size:.9rem;color:var(--text-light);margin:0}

/* Workflow (dark) */
.sec-dark{background:linear-gradient(135deg,#062f4f,#04528C);color:#fff}
.sec-dark .sec-title{color:#fff}
.journey{list-style:none;margin:40px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:j}
.journey li{position:relative;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:12px;padding:24px 20px}
.j-no{font-family:"Roboto",sans-serif;font-size:1.4rem;font-weight:800;color:#FFD24A}
.journey h3{font-size:1.05rem;margin:6px 0 8px}
.journey p{font-size:.88rem;opacity:.9;margin:0}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{position:relative;background:#fff;border:1px solid var(--line);border-top:4px solid var(--primary);border-radius:12px;padding:24px 20px}
.step-no{font-family:"Roboto",sans-serif;font-size:.78rem;font-weight:700;letter-spacing:.1em;color:var(--orange)}
.step h3{font-size:1.08rem;margin:8px 0 10px}
.step p{font-size:.9rem;color:var(--text-light);margin:0}
.steps .step:not(:last-child)::after{content:"";position:absolute;top:50%;right:-13px;width:10px;height:10px;border-top:2px solid var(--primary);border-right:2px solid var(--primary);transform:translateY(-50%) rotate(45deg)}

/* FAQ */
.faq details{background:#fff;border:1px solid var(--line);border-radius:10px;margin-bottom:12px;overflow:hidden}
.faq summary{cursor:pointer;padding:16px 46px 16px 20px;font-weight:700;position:relative;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:1.3rem;color:var(--orange)}
.faq details[open] summary::after{content:"−"}
.faq details p{margin:0;padding:0 20px 18px;color:var(--text-light);font-size:.92rem}

/* CTA */
.cta{background:radial-gradient(circle at 88% 20%,rgba(248,119,22,.28)0,transparent 46%),linear-gradient(135deg,#04528C,#062f4f);color:#fff;padding:60px 0}
.cta-inner{display:grid;grid-template-columns:1.3fr 1fr;gap:32px;align-items:center}
.cta-eyebrow{display:inline-block;padding:5px 14px;background:var(--orange);border-radius:999px;font-size:.82rem;font-weight:700;margin:0 0 12px}
.cta-copy h2{font-size:clamp(1.4rem,3vw,1.9rem);line-height:1.45;margin:0 0 12px}
.cta-copy>p{opacity:.92;margin:0}
.cta-actions{display:flex;flex-direction:column;gap:12px}
.cta-tel{text-align:center;color:#fff;font-size:1.3rem;font-weight:700;margin-top:4px}
.cta-tel:hover{text-decoration:none}
.cta-tel span{display:block;font-size:.8rem;font-weight:400;opacity:.85;margin-top:2px}

/* Footer */
.site-footer{background:#0c2740;color:rgba(255,255,255,.82);font-size:.9rem}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px;padding:52px 0 36px}
.footer-title{font-weight:700;color:#fff;font-size:1.05rem;margin:0 0 10px}
.footer-desc{margin:0;opacity:.8;line-height:1.8;font-size:.86rem}
.footer-head{color:#fff;font-weight:700;margin:0 0 12px}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:10px}
.footer-col a{color:rgba(255,255,255,.82)}
.footer-col a:hover{color:#fff}
.footer-col small{opacity:.6}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:16px 0;font-size:.8rem}
.footer-bottom .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:6px}
.footer-bottom p{margin:0;opacity:.7}

/* Page head / legal / contact / thanks */
.page-head{background:linear-gradient(135deg,#04528C,#062f4f);color:#fff;padding:52px 0}
.page-head .crumb{font-size:.85rem;opacity:.85;margin:0 0 10px}
.page-head .crumb a{color:rgba(255,255,255,.9)}
.page-head h1{font-size:clamp(1.6rem,4vw,2.2rem)}
.page-head-lead{margin:14px 0 0;opacity:.92;max-width:820px}
.req{color:var(--orange)}
.legal h2{font-size:1.15rem;color:var(--primary);margin:26px 0 8px}
.legal ul{padding-left:1.2em;color:var(--text-light)}
.legal-window{background:var(--bg-alt);border-radius:10px;padding:16px 20px}
.contact-tel-band{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:6px;background:var(--bg-alt);border-radius:12px;padding:18px 22px;margin-bottom:26px}
.contact-tel-band span{font-size:.82rem;color:var(--text-light);display:block}
.contact-tel-band a{font-size:1.4rem;font-weight:800;color:var(--primary)}
.contact-tel-band p{margin:0;font-size:.82rem;color:var(--text-light)}
.form-error{background:#fee;border:1px solid #f3a3a3;color:#b00;padding:14px 18px;border-radius:10px;margin-bottom:20px;line-height:1.7}
.contact-form{display:flex;flex-direction:column;gap:18px}
.contact-form label{font-weight:700;font-size:.92rem;display:flex;flex-direction:column;gap:7px}
.contact-form input,.contact-form select,.contact-form textarea{font:inherit;font-weight:400;padding:12px 14px;border:1px solid #cfd6dd;border-radius:8px;background:#fff;width:100%}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{outline:2px solid var(--primary);border-color:var(--primary)}
.contact-form .check{flex-direction:row;align-items:center;gap:10px;font-weight:600}
.contact-form .check input{width:auto}
.thanks-card{text-align:center;background:#fff;border:1px solid var(--line);border-radius:16px;padding:44px 26px;box-shadow:var(--shadow)}
.thanks-ico{width:64px;height:64px;margin:0 auto 18px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-size:2rem}
.thanks-note{font-size:.9rem;color:var(--text-light);margin:16px 0 26px}

/* Anchor offset for sticky header */
#features{scroll-margin-top:84px}

/* Hub (home) — グループ見出し＋カード */
.hub-group-title{font-size:1.15rem;color:var(--primary);margin:34px 0 14px;padding-left:12px;border-left:4px solid var(--orange)}
.hub-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.hub-card{display:flex;flex-direction:column;gap:6px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 20px 18px;text-decoration:none;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s}
.hub-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);text-decoration:none}
.hub-card-title{font-weight:700;color:var(--text);font-size:1.05rem}
.hub-card-desc{font-size:.85rem;color:var(--text-light);line-height:1.6;flex:1}
.hub-card-go{font-size:.85rem;font-weight:700;color:var(--primary);margin-top:4px}

/* 機能ページ — チェックリスト */
.checklist{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.check-item{position:relative;background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 20px 18px 48px}
.check-item::before{content:"✓";position:absolute;left:18px;top:18px;width:22px;height:22px;display:grid;place-items:center;background:var(--accent);color:#fff;border-radius:50%;font-size:.8rem;font-weight:800}
.check-item h3{font-size:1.05rem;color:var(--text);margin:0 0 6px}
.check-item p{font-size:.9rem;color:var(--text-light);margin:0;line-height:1.7}

/* 関連ページカード */
.related-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.related-card{display:flex;justify-content:space-between;align-items:center;gap:10px;background:var(--bg-alt);border:1px solid var(--line);border-radius:10px;padding:16px 18px;text-decoration:none;color:var(--text);font-weight:600;transition:background .2s,transform .2s}
.related-card:hover{background:#e9f0f8;transform:translateY(-2px);text-decoration:none}
.related-go{color:var(--primary);white-space:nowrap;font-size:.85rem}

/* page-head のバッジ */
.page-head-badges{margin-top:16px}
.page-head-badges span{font-size:.8rem;font-weight:600;padding:5px 13px;border:1px solid rgba(255,255,255,.5);border-radius:999px;background:rgba(255,255,255,.08)}

@media(max-width:900px){
  .hub-grid,.related-cards{grid-template-columns:repeat(2,1fr)}
  .checklist{grid-template-columns:1fr}
}
@media(max-width:560px){
  .hub-grid,.related-cards{grid-template-columns:1fr}
}

/* Responsive */
@media(max-width:900px){
  .hero-inner{grid-template-columns:1fr;padding:52px 0 60px}
  .hero-visual{order:-1}
  .trio,.feat-grid,.journey{grid-template-columns:repeat(2,1fr)}
  .issue-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .steps .step::after{display:none}
  .cta-inner{grid-template-columns:1fr;gap:24px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
}
@media(max-width:720px){
  .site-nav{position:fixed;inset:70px 0 auto 0;flex-direction:column;background:#fff;border-bottom:1px solid var(--line);padding:18px 20px;gap:16px;transform:translateY(-120%);transition:transform .3s;box-shadow:0 12px 24px rgba(0,0,0,.1)}
  body.nav-open .site-nav{transform:translateY(0)}
  .nav-toggle{display:flex}
  body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  body.nav-open .nav-toggle span:nth-child(2){opacity:0}
  body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .brand-text small{display:none}
}
@media(max-width:560px){
  .trio,.feat-grid,.journey,.issue-grid,.steps,.footer-grid{grid-template-columns:1fr}
  .milestone{margin-top:-24px}
}