:root{--ink:#1f2a37;--sub:#5b6776;--line:#e6edf3;--bg:#fff;--sky:#f2f8fd;--sky2:#e3f1fb;--accent:#1a8fc9;--accent-d:#1277aa;--mint:#2bb7a3}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:"Noto Sans JP",sans-serif;color:var(--ink);background:var(--bg);line-height:1.95;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent)}
.en{font-family:"Montserrat",sans-serif;letter-spacing:.14em;font-weight:700}
.wrap{max-width:1120px;margin:0 auto}
.narrow{max-width:880px;margin:0 auto}

/* header */
header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:70px}
.logo{display:flex;align-items:baseline;gap:10px;text-decoration:none;color:var(--ink);white-space:nowrap}
.logo .en{font-size:25px;color:var(--accent);letter-spacing:.08em}
.logo small{font-size:12px;color:var(--sub)}
.nav ul{display:flex;gap:24px;list-style:none;align-items:center}
.nav ul a{color:var(--ink);text-decoration:none;font-size:14px;font-weight:500;transition:color .2s;white-space:nowrap}
.nav ul a:hover,.nav ul a[aria-current=page]{color:var(--accent)}
.nav ul a.nav-cta{background:var(--accent);color:#fff;padding:9px 20px;border-radius:999px}
.nav ul a.nav-cta:hover{background:var(--accent-d);color:#fff}
.menu-btn{display:none;background:none;border:0;cursor:pointer;width:40px;height:40px;position:relative}
.menu-btn span{position:absolute;left:9px;right:9px;height:2px;background:var(--ink);border-radius:2px;transition:.25s}
.menu-btn span:nth-child(1){top:13px}.menu-btn span:nth-child(2){top:19px}.menu-btn span:nth-child(3){top:25px}
.menu-btn.open span:nth-child(1){top:19px;transform:rotate(45deg)}
.menu-btn.open span:nth-child(2){opacity:0}
.menu-btn.open span:nth-child(3){top:19px;transform:rotate(-45deg)}

/* hero (home) */
.hero{position:relative;overflow:hidden;background:linear-gradient(160deg,#fff 0%,var(--sky) 45%,var(--sky2) 100%);padding:110px 24px 120px}
.hero::before,.hero::after,.page-hero::before{content:"";position:absolute;border-radius:50%;z-index:0}
.hero::before{width:560px;height:560px;right:-160px;top:-180px;background:radial-gradient(circle,rgba(26,143,201,.18),rgba(26,143,201,0) 70%)}
.hero::after{width:440px;height:440px;left:-170px;bottom:-210px;background:radial-gradient(circle,rgba(43,183,163,.16),rgba(43,183,163,0) 70%)}
.hero-inner{position:relative;z-index:1;max-width:1120px;margin:0 auto;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.eyebrow{display:inline-block;font-size:13px;color:var(--accent);background:#fff;border:1px solid var(--sky2);padding:6px 16px;border-radius:999px;margin-bottom:24px}
.hero h1{font-size:clamp(34px,5.4vw,60px);line-height:1.3;font-weight:900;letter-spacing:.02em}
.hero h1 .grad{background:linear-gradient(90deg,var(--accent),var(--mint));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{margin-top:24px;font-size:clamp(15px,2vw,18px);color:var(--sub)}
.btns{margin-top:36px;display:flex;flex-wrap:wrap;gap:14px}
.hero-panel{background:#fff;border-radius:28px;padding:32px;box-shadow:0 20px 50px rgba(26,143,201,.14);display:grid;gap:14px}
.hero-panel a{display:flex;align-items:center;gap:16px;text-decoration:none;color:var(--ink);padding:16px 18px;border-radius:18px;background:var(--sky);transition:transform .2s,background .2s}
.hero-panel a:hover{transform:translateX(4px);background:var(--sky2)}
.hero-panel strong{display:block;font-size:16px}
.hero-panel small{display:block;font-size:12.5px;color:var(--sub);line-height:1.6}
.hero-panel .arrow{margin-left:auto;color:var(--accent);font-weight:700}

/* page hero (sub pages) */
.page-hero{position:relative;overflow:hidden;background:linear-gradient(160deg,#fff 0%,var(--sky) 55%,var(--sky2) 100%);padding:80px 24px 72px}
.page-hero::before{width:460px;height:460px;right:-140px;top:-200px;background:radial-gradient(circle,rgba(26,143,201,.16),rgba(26,143,201,0) 70%)}
.page-hero .wrap{position:relative;z-index:1}
.page-hero .en{display:block;font-size:13px;color:var(--accent);margin-bottom:10px}
.page-hero h1{font-size:clamp(28px,4.4vw,44px);font-weight:900;letter-spacing:.04em;line-height:1.35}
.page-hero p{margin-top:16px;color:var(--sub);max-width:720px}
.crumb{font-size:12.5px;color:var(--sub);margin-bottom:18px}
.crumb a{color:var(--sub);text-decoration:none}
.crumb a:hover{color:var(--accent)}

/* icon */
.ico{flex:none;width:52px;height:52px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent),var(--mint));color:#fff}
.ico svg{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.ico.sm{width:42px;height:42px;border-radius:13px}
.ico.sm svg{width:21px;height:21px}

/* buttons */
.btn{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;padding:14px 34px;border-radius:999px;font-weight:700;border:0;font-size:16px;font-family:inherit;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s;box-shadow:0 8px 20px rgba(26,143,201,.25)}
.btn:hover{background:var(--accent-d);transform:translateY(-2px);box-shadow:0 12px 26px rgba(26,143,201,.3)}
.btn.ghost{background:#fff;color:var(--accent);border:2px solid var(--accent);box-shadow:none;padding:12px 32px}
.btn.ghost:hover{background:var(--sky)}

/* sections */
section{padding:104px 24px}
.alt{background:var(--sky)}
.sec-head{margin-bottom:48px}
.sec-head.center{text-align:center}
.sec-head .en{display:block;font-size:13px;color:var(--accent);margin-bottom:8px}
.sec-head h2{font-size:clamp(25px,3.4vw,34px);font-weight:900;letter-spacing:.04em;line-height:1.45}
.sec-head p{margin-top:14px;color:var(--sub)}
.sec-head.center p{max-width:720px;margin-left:auto;margin-right:auto}
.lead p+p{margin-top:16px}

.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:32px 28px;box-shadow:0 12px 32px rgba(31,42,55,.05);transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(31,42,55,.08)}
.alt .card{border-color:transparent}
.card h3{font-size:19px;font-weight:700;margin:18px 0 10px;line-height:1.5}
.card p{color:var(--sub);font-size:15px}
.card p+p{margin-top:10px}
.card .quote{margin:12px 0;padding:10px 14px;border-radius:12px;background:var(--sky);font-weight:700;color:var(--ink);font-size:15px}
.alt .card .quote{background:var(--sky)}

.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.feature-box{background:linear-gradient(140deg,var(--accent),var(--mint));color:#fff;border-radius:28px;padding:44px 40px;box-shadow:0 20px 50px rgba(26,143,201,.22)}
.feature-box .en{font-size:12px;opacity:.85;display:block;margin-bottom:10px}
.feature-box h3{font-size:clamp(22px,2.8vw,28px);font-weight:900;line-height:1.5}
.feature-box ul{list-style:none;margin-top:22px;display:grid;gap:10px}
.feature-box li{display:flex;gap:10px;align-items:flex-start;font-weight:500}
.feature-box li::before{content:"";flex:none;width:20px;height:20px;margin-top:6px;border-radius:50%;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='%231a8fc9' stroke-width='3' d='M6 12l4 4 8-8'/%3E%3C/svg%3E") center/13px no-repeat}

.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px;counter-reset:s}
.step{background:#fff;border-radius:20px;padding:26px 22px;border:1px solid var(--line);position:relative}
.step::before{counter-increment:s;content:"0" counter(s);font-family:"Montserrat",sans-serif;font-weight:700;font-size:28px;color:var(--sky2);position:absolute;right:18px;top:10px}
.step h4{font-size:16px;margin:12px 0 6px}
.step p{font-size:14px;color:var(--sub);line-height:1.8}

/* income models */
.models{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:22px}
.model{background:#fff;border-radius:24px;overflow:hidden;border:1px solid var(--line);box-shadow:0 12px 32px rgba(31,42,55,.05)}
.model-head{background:linear-gradient(120deg,var(--accent),var(--mint));color:#fff;padding:20px 24px}
.model-head .en{font-size:12px;opacity:.9}
.model-head h3{font-size:18px;margin-top:2px}
.model-body{padding:24px}
.model-pay{font-size:34px;font-weight:900;color:var(--ink);line-height:1.2}
.model-pay small{font-size:15px;font-weight:700;color:var(--sub);margin-left:4px}
.model dl{margin-top:16px;display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:14.5px}
.model dt{color:var(--sub)}
.model dd{font-weight:500}
.model .note{margin-top:14px;font-size:12.5px;color:var(--sub);line-height:1.7}

/* tables */
.table-card{background:#fff;border-radius:24px;box-shadow:0 16px 40px rgba(31,42,55,.06);overflow:hidden;border:1px solid var(--line)}
.table-card table{width:100%;border-collapse:collapse}
.table-card th,.table-card td{padding:20px 28px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.table-card tr:last-child th,.table-card tr:last-child td{border-bottom:0}
.table-card th{width:28%;color:var(--sub);font-weight:500;background:#fafcfe}
.table-card td small{color:var(--sub)}
.num-table td:last-child{text-align:right;font-weight:700;white-space:nowrap}

.doc h2{font-size:21px;font-weight:900;margin:56px 0 18px;padding-left:14px;border-left:4px solid var(--accent);line-height:1.5}
.doc h2:first-child{margin-top:0}
.doc p{color:var(--ink)}
.doc p+p{margin-top:12px}
.doc .asof{font-size:13px;color:var(--sub);margin:-8px 0 16px}

/* contact form */
.form{background:#fff;border-radius:28px;padding:44px 40px;box-shadow:0 16px 40px rgba(31,42,55,.07);border:1px solid var(--line)}
.field{margin-bottom:22px}
.field label{display:block;font-weight:700;font-size:15px;margin-bottom:8px}
.req{display:inline-block;font-size:11px;background:var(--accent);color:#fff;border-radius:6px;padding:1px 7px;margin-left:8px;vertical-align:2px}
.field input,.field textarea,.field select{width:100%;font:inherit;font-size:16px;padding:13px 16px;border:1px solid #cfdbe6;border-radius:12px;background:#fbfdff;transition:border .2s,box-shadow .2s}
.field input:focus,.field textarea:focus,.field select:focus{outline:0;border-color:var(--accent);box-shadow:0 0 0 4px rgba(26,143,201,.12);background:#fff}
.field textarea{min-height:180px;resize:vertical}
.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.agree{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;margin:6px 0 26px}
.agree input{margin-top:7px;width:18px;height:18px;accent-color:var(--accent)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form .btn{width:100%;padding:16px}
.contact-info{display:grid;gap:14px}
.contact-info .row{display:flex;gap:16px;align-items:center;background:#fff;border-radius:20px;padding:20px 22px;border:1px solid var(--line)}
.contact-info .row strong{display:block;font-size:18px}
.contact-info .row a{color:var(--ink);text-decoration:none}
.contact-info .row small{color:var(--sub);font-size:13px}
.notice{border-radius:16px;padding:18px 22px;margin-bottom:24px;font-weight:500}
.notice.ok{background:#e9f8f5;color:#16715f}
.notice.ng{background:#fdeeee;color:#a23a3a}

/* band */
.band{padding:90px 24px;text-align:center;background:linear-gradient(120deg,var(--accent),var(--mint));color:#fff}
.band h2{font-size:clamp(24px,3.4vw,32px);font-weight:900}
.band p{margin-top:12px;opacity:.95}
.band .row{margin-top:30px;display:flex;justify-content:center;flex-wrap:wrap;gap:14px}
.band .btn{background:#fff;color:var(--accent-d);box-shadow:0 10px 24px rgba(0,0,0,.12)}
.band .btn:hover{background:#f0f9ff}
.band .btn.line{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.85);box-shadow:none;padding:12px 32px}
.band .btn.line:hover{background:rgba(255,255,255,.12)}

/* footer */
footer{background:#fff;border-top:1px solid var(--line);padding:56px 24px 28px;color:var(--sub);font-size:14px}
.foot{max-width:1120px;margin:0 auto;display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:40px}
.foot .en{color:var(--accent);font-size:22px;display:block;margin-bottom:6px}
.foot h4{color:var(--ink);font-size:14px;margin-bottom:10px}
.foot ul{list-style:none;display:grid;gap:6px}
.foot a{color:var(--sub);text-decoration:none}
.foot a:hover{color:var(--accent)}
.copy{max-width:1120px;margin:40px auto 0;padding-top:20px;border-top:1px solid var(--line);font-size:12.5px;text-align:center}

@media (max-width:980px){
  .menu-btn{display:block}
  .nav{height:62px;padding:0 16px}
  .nav ul{display:none;position:absolute;top:62px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:8px 16px 18px;border-bottom:1px solid var(--line);box-shadow:0 14px 30px rgba(31,42,55,.08);max-height:calc(100vh - 62px);overflow:auto}
  .nav ul.open{display:flex}
  .nav ul a{display:block;padding:13px 8px;border-bottom:1px solid var(--line)}
  .nav ul a.nav-cta{margin-top:12px;text-align:center;border-bottom:0;padding:13px}
}
@media (max-width:820px){
  .hero{padding:64px 16px 72px}
  .hero-inner,.split{grid-template-columns:1fr;gap:36px}
  .hero-panel{padding:20px;border-radius:22px}
  .page-hero{padding:56px 16px 52px}
  section{padding:72px 16px}
  .feature-box{padding:32px 24px;border-radius:22px}
  .table-card th,.table-card td{display:block;width:100%;padding:12px 20px}
  .table-card th{padding-bottom:0;background:none;border-bottom:0;font-size:13px}
  .num-table tr{display:flex;justify-content:space-between;border-bottom:1px solid var(--line)}
  .num-table td{display:block;width:auto;border:0;padding:12px 20px}
  .form{padding:28px 20px;border-radius:22px}
  .two{grid-template-columns:1fr}
  .band{padding:70px 16px}
  .foot{grid-template-columns:1fr;gap:26px}
}