:root{
  --ink:#0A2540;
  --ink-2:#123A63;
  --blue:#1B63E0;
  --blue-d:#134FBA;
  --blue-l:#EAF1FE;
  --blue-xl:#F5F8FE;
  --gray-1:#F6F8FB;
  --gray-2:#E7ECF3;
  --gray-3:#CBD5E1;
  --text:#1C2733;
  --text-2:#5B6B7C;
  --gold:#C79A4B;
  --ok:#1E9E7A;
  --sans:"Inter","Noto Sans JP",system-ui,-apple-system,"Segoe UI",sans-serif;
  --wrap:1160px;
  --r:12px;
  --shadow:0 1px 2px rgba(10,37,64,.04),0 8px 28px rgba(10,37,64,.07);
  --shadow-lg:0 2px 4px rgba(10,37,64,.05),0 18px 50px rgba(10,37,64,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{
  margin:0;font-family:var(--sans);color:var(--text);background:#fff;
  font-size:16px;line-height:1.85;letter-spacing:.01em;-webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:4px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;z-index:200}
.skip:focus{left:8px;top:8px}

/* ---------------- header ---------------- */
.hd{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.88);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--gray-2)}
.hd-in{max-width:var(--wrap);margin:0 auto;padding:12px 24px;display:flex;align-items:center;gap:20px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto}
.logo img{width:36px;height:36px}
.logo b{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.06em;line-height:1.15;white-space:nowrap}
.logo b span{display:block;font-size:9px;letter-spacing:.26em;color:var(--text-2);font-weight:500}
.hd nav{margin-left:auto;display:flex;align-items:center;gap:2px;flex-wrap:wrap}
.hd nav a{color:var(--text);font-size:14px;font-weight:500;padding:8px 12px;border-radius:8px;text-decoration:none;transition:background .18s,color .18s}
.hd nav a:hover{background:var(--gray-1);color:var(--ink);text-decoration:none}
.hd nav a[aria-current="page"]{color:var(--blue)}
.hd .btn-sm{background:var(--blue);color:#fff;font-weight:700;padding:9px 18px;border-radius:8px;font-size:14px;text-decoration:none;flex:0 0 auto;margin-left:6px}
.hd .btn-sm:hover{background:var(--blue-d);color:#fff}
.hd .btn-ghost{box-shadow:inset 0 0 0 1px var(--gray-3);font-weight:600}

/* ---------------- buttons ---------------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:15.5px;
  padding:15px 30px;border-radius:10px;text-decoration:none;transition:transform .16s,background .18s,box-shadow .18s;border:0;cursor:pointer}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 6px 18px rgba(27,99,224,.24)}
.btn-primary:hover{background:var(--blue-d);color:#fff}
.btn-outline{background:#fff;color:var(--ink);box-shadow:inset 0 0 0 1px var(--gray-3)}
.btn-outline:hover{background:var(--gray-1);color:var(--ink)}
.btn-light{background:rgba(255,255,255,.12);color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.34)}
.btn-light:hover{background:rgba(255,255,255,.2);color:#fff}
.btn-white{background:#fff;color:var(--ink)}
.btn-white:hover{background:#EEF3FA;color:var(--ink)}
.btn-row{display:flex;gap:14px;flex-wrap:wrap}

/* ---------------- hero ---------------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#fff 0%,var(--blue-xl) 62%,#fff 100%);padding:84px 0 72px}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--blue);background:var(--blue-l);padding:7px 14px;border-radius:999px;margin:0 0 24px}
h1.big{font-size:clamp(31px,4.6vw,52px);line-height:1.34;font-weight:700;letter-spacing:.005em;margin:0 0 22px;color:var(--ink)}
h1.big em{font-style:normal;background:linear-gradient(90deg,var(--blue) 0%,#3D8BFF 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:17px;color:var(--text-2);margin:0 0 32px;max-width:34em}
.hero .micro{font-size:13px;color:var(--text-2);margin:18px 0 0}
.hero-art{position:relative}
.hero-art svg{width:100%;height:auto}

.trust{border-top:1px solid var(--gray-2);border-bottom:1px solid var(--gray-2);background:#fff}
.trust ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr)}
.trust li{padding:22px 18px;text-align:center;border-right:1px solid var(--gray-2)}
.trust li:last-child{border-right:0}
.trust b{display:block;font-size:19px;color:var(--ink);font-weight:700;letter-spacing:.01em}
.trust span{font-size:12.5px;color:var(--text-2)}

/* ---------------- sections ---------------- */
section{padding:88px 0}
.sec-1{background:var(--gray-1)}
.sec-blue{background:var(--ink);color:#fff}
.sec-blue h2,.sec-blue h3{color:#fff}
.sec-blue p{color:#B9C9DA}
.head{max-width:44em;margin:0 0 46px}
.head.center{margin-left:auto;margin-right:auto;text-align:center}
.kicker{font-size:12px;font-weight:700;letter-spacing:.2em;color:var(--blue);margin:0 0 14px}
.sec-blue .kicker{color:#7FB0FF}
h2{font-size:clamp(24px,3.1vw,34px);line-height:1.5;font-weight:700;letter-spacing:.01em;margin:0 0 16px;color:var(--ink)}
h3{font-size:19px;font-weight:700;line-height:1.6;margin:0 0 10px;color:var(--ink)}
.head p{font-size:16px;color:var(--text-2);margin:0}

.g2{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.g3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.g4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}

.card{background:#fff;border:1px solid var(--gray-2);border-radius:var(--r);padding:30px 28px;transition:box-shadow .2s,transform .2s}
.card.hoverable:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}
.card p{font-size:14.5px;color:var(--text-2);margin:0 0 10px}
.card p:last-child{margin-bottom:0}
.card .ico{width:42px;height:42px;border-radius:10px;background:var(--blue-l);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.card .ico svg{width:22px;height:22px;stroke:var(--blue);fill:none;stroke-width:1.7}
.card .more{font-size:14px;font-weight:700;color:var(--blue);display:inline-block;margin-top:14px}
.sec-blue .card{background:rgba(255,255,255,.055);border-color:rgba(255,255,255,.14)}
.sec-blue .card p{color:#B9C9DA}
.sec-blue .card .ico{background:rgba(127,176,255,.16)}
.sec-blue .card .ico svg{stroke:#8FBAFF}

.pain{background:#fff;border:1px solid var(--gray-2);border-left:3px solid var(--gold);border-radius:8px;padding:22px 24px}
.pain p{margin:0;font-size:15px;color:var(--text)}

.metric{text-align:center;padding:28px 18px}
.metric b{display:block;font-size:34px;font-weight:700;color:var(--blue);line-height:1.2;letter-spacing:-.01em}
.metric span{font-size:13.5px;color:var(--text-2)}
.sec-blue .metric b{color:#8FBAFF}

.steps{counter-reset:s;display:grid;gap:16px}
.step{display:grid;grid-template-columns:44px 1fr;gap:18px;background:#fff;border:1px solid var(--gray-2);border-radius:var(--r);padding:24px 26px}
.step .n{width:34px;height:34px;border-radius:9px;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}
.step h3{margin:2px 0 8px}
.step p{margin:0;font-size:14.5px;color:var(--text-2)}

.levels{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.level{background:#fff;border:1px solid var(--gray-2);border-radius:10px;padding:20px 18px}
.level b{display:block;font-size:11.5px;font-weight:700;letter-spacing:.14em;color:var(--blue);margin-bottom:8px}
.level p{margin:0;font-size:13.5px;color:var(--text-2);line-height:1.75}
.level.now{background:var(--blue-l);border-color:#BBD3FA}

table.tbl{width:100%;border-collapse:collapse;font-size:14.5px;background:#fff}
table.tbl th,table.tbl td{text-align:left;padding:14px 14px;border-bottom:1px solid var(--gray-2);vertical-align:top}
table.tbl th{font-size:12px;letter-spacing:.14em;color:var(--blue);font-weight:700;background:var(--gray-1)}
table.tbl td.no{width:6.5em;color:var(--text-2);white-space:nowrap;font-size:13px}
table.tbl td.t{width:6em;white-space:nowrap;color:var(--text-2);font-size:13.5px}
table.tbl tr.ex td{background:var(--blue-xl)}

dl.pf{margin:0;border-top:1px solid var(--gray-2)}
dl.pf>div{display:grid;grid-template-columns:12em 1fr;border-bottom:1px solid var(--gray-2);padding:16px 2px}
dl.pf dt{font-size:13.5px;font-weight:700;color:var(--ink)}
dl.pf dd{margin:0;font-size:15px;color:var(--text)}

.note{background:var(--gray-1);border-left:3px solid var(--blue);border-radius:6px;padding:18px 22px;font-size:13.5px;color:var(--text-2);margin:0}
.sec-blue .note{background:rgba(255,255,255,.06);color:#B9C9DA}

details.faq{border-bottom:1px solid var(--gray-2);padding:6px 0}
details.faq summary{cursor:pointer;list-style:none;padding:18px 40px 18px 4px;font-weight:700;font-size:16px;color:var(--ink);position:relative}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{content:"＋";position:absolute;right:6px;top:18px;color:var(--blue);font-weight:700}
details.faq[open] summary::after{content:"−"}
details.faq .a{padding:0 4px 20px;font-size:14.5px;color:var(--text-2)}

.badge{display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.08em;color:var(--blue);background:var(--blue-l);padding:4px 11px;border-radius:999px}
.badge.soon{color:var(--text-2);background:var(--gray-2)}
.badge.gold{color:#8A6A22;background:#FAF2E2}

/* ---------------- CTA band ---------------- */
.cta{background:linear-gradient(135deg,var(--ink) 0%,#123A63 55%,#17508A 100%);color:#fff;padding:72px 0;position:relative;overflow:hidden}
.cta h2{color:#fff;margin-bottom:14px}
.cta p{color:#B9C9DA;margin:0 0 30px;font-size:16px}
.cta .opts{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:34px}
.cta .opt{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:10px;padding:20px 18px;text-decoration:none;display:block;transition:background .18s}
.cta .opt:hover{background:rgba(255,255,255,.14);text-decoration:none}
.cta .opt b{display:block;color:#fff;font-size:15.5px;margin-bottom:6px}
.cta .opt span{color:#A9BCD0;font-size:13px}

/* ---------------- form ---------------- */
form.inq{background:#fff;border:1px solid var(--gray-2);border-radius:var(--r);padding:34px 32px;box-shadow:var(--shadow)}
.field{margin-bottom:20px}
.field label{display:block;font-size:13.5px;font-weight:700;margin-bottom:8px;color:var(--ink)}
.field .req{color:#C0392B;font-size:11px;margin-left:6px}
.field input,.field textarea,.field select{width:100%;font-family:var(--sans);font-size:15.5px;padding:13px 14px;border:1px solid var(--gray-3);border-radius:9px;background:#fff;color:var(--text)}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(27,99,224,.14)}
.field textarea{min-height:150px;resize:vertical;line-height:1.8}
.choices{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.choice{position:relative}
.choice input{position:absolute;opacity:0;width:1px;height:1px}
.choice span{display:block;border:1px solid var(--gray-3);border-radius:9px;padding:13px 16px;font-size:14.5px;cursor:pointer;transition:border-color .16s,background .16s}
.choice input:checked+span{border-color:var(--blue);background:var(--blue-l);font-weight:700}
.choice input:focus-visible+span{outline:2px solid var(--blue);outline-offset:2px}
.hp{position:absolute;left:-9999px}

/* ---------------- footer ---------------- */
footer{background:#071B30;color:#93A7BC;padding:58px 0 34px;font-size:13.5px}
footer .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
footer h4{color:#fff;font-size:13px;letter-spacing:.12em;margin:0 0 14px;font-weight:700}
footer a{color:#B7C7D8;display:block;padding:4px 0;text-decoration:none}
footer a:hover{color:#fff;text-decoration:underline}
footer .fb{color:#fff;font-size:16px;font-weight:700;letter-spacing:.06em;margin:0 0 10px}
footer .sns{display:flex;gap:10px;margin-top:14px}
footer .sns a{width:34px;height:34px;border-radius:8px;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;padding:0}
footer .sns svg{width:16px;height:16px;fill:#B7C7D8}
footer .copy{margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);font-size:12px;display:flex;gap:18px;flex-wrap:wrap}
footer .copy a{display:inline;padding:0}

.map{border:0;width:100%;height:340px;border-radius:var(--r);filter:grayscale(.2)}

/* ---------------- responsive ---------------- */
@media(max-width:940px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-art{order:-1}
  .g3,.g4,.g2,.levels,.cta .opts,.trust ul,footer .cols{grid-template-columns:1fr 1fr}
  .levels{grid-template-columns:1fr}
  .trust li:nth-child(2n){border-right:0}
  .trust li{border-bottom:1px solid var(--gray-2)}
}
@media(max-width:640px){
  section{padding:58px 0}
  .hero{padding:52px 0 46px}
  .g3,.g4,.g2,.cta .opts,.trust ul,footer .cols,.choices{grid-template-columns:1fr}
  .hd-in{flex-wrap:wrap;padding:10px 16px;gap:8px}
  .hd nav{width:100%;margin-left:0;justify-content:flex-start;gap:0;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;padding-bottom:2px}
  .hd nav::-webkit-scrollbar{display:none}
  .hd nav a{padding:7px 10px;font-size:13px;white-space:nowrap;flex:0 0 auto}
  .hd .btn-sm{padding:8px 14px;order:1;margin-left:auto}
  .hd nav{order:2}
  dl.pf>div{grid-template-columns:1fr;gap:4px}
  .step{grid-template-columns:1fr}
  .btn{width:100%}
  .btn-row{flex-direction:column}
  .hd .btn-sm{width:auto}
}