:root{
  --navy:#0e2a47;--blue:#1e6fd0;--blue-l:#e8f1fc;--accent:#16b58a;
  --ink:#1b2733;--muted:#5b6b7b;--line:#e4e9ef;--soft:#f6f9fc;
  --h1:#0e2a47;--h2:#1e6fd0;--hl:#7fe3c4;--sample1:#0e2a47;--sample2:#1e6fd0;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;color:var(--ink);line-height:1.9;-webkit-font-smoothing:antialiased;}
a{color:inherit;text-decoration:none;}
.container{max-width:920px;margin:0 auto;padding:0 24px;}
header{border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);z-index:20;}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px;}
.logo{font-weight:800;font-size:19px;color:var(--navy);}
.logo span{color:var(--blue);}
.nav a.btn{background:var(--blue);color:#fff;padding:10px 20px;border-radius:7px;font-weight:700;font-size:14px;}
.crumbs{font-size:12.5px;color:var(--muted);padding:14px 0;}
.crumbs a:hover{color:var(--blue);}
.hero{background:linear-gradient(160deg,var(--h1),var(--h2));color:#fff;padding:46px 0 70px;}
.hero .tag{display:inline-block;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.25);padding:6px 15px;border-radius:999px;font-size:13px;font-weight:700;margin-bottom:18px;}
.hero h1{font-size:34px;line-height:1.5;font-weight:800;margin-bottom:16px;}
.hero h1 .hl{color:var(--hl);}
.hero p{font-size:16px;color:rgba(255,255,255,.9);max-width:640px;margin-bottom:26px;}
.hero .btn{display:inline-block;background:#fff;color:var(--h2);font-weight:800;padding:14px 28px;border-radius:8px;}
@media(max-width:680px){.hero h1{font-size:25px;}}
section{padding:62px 0;}
h2{font-size:26px;color:var(--navy);margin-bottom:26px;font-weight:800;line-height:1.5;}
.soft{background:var(--soft);}
.lead{font-size:16px;margin-bottom:18px;}
.list{list-style:none;}
.list li{padding:14px 0 14px 34px;position:relative;border-bottom:1px solid var(--line);font-size:15.5px;}
.list li::before{content:"✓";position:absolute;left:4px;top:13px;color:var(--accent);font-weight:800;font-size:18px;}
.list li b{color:var(--navy);}
.cards{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.card{border:1px solid var(--line);border-radius:12px;padding:24px;}
.card h3{font-size:17px;color:var(--navy);margin-bottom:8px;}
.card p{font-size:14px;color:var(--muted);}
@media(max-width:680px){.cards{grid-template-columns:1fr;}}
.price{display:flex;gap:18px;flex-wrap:wrap;}
.pl{flex:1;min-width:240px;border:1px solid var(--line);border-radius:12px;padding:26px;}
.pl .ttl{font-weight:800;color:var(--navy);margin-bottom:6px;}
.pl .p{font-size:26px;font-weight:800;color:var(--navy);}
.pl .p small{font-size:14px;color:var(--muted);}
.pl p{font-size:14px;color:var(--muted);margin-top:8px;}
.sample{display:flex;gap:20px;align-items:center;border:1px solid var(--line);border-radius:14px;overflow:hidden;}
.sample .th{width:180px;flex:none;align-self:stretch;min-height:130px;background:linear-gradient(135deg,var(--sample1),var(--sample2));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;text-align:center;padding:10px;}
.sample .b{padding:20px 22px;}
.sample h3{color:var(--navy);font-size:17px;margin-bottom:6px;}
.sample p{font-size:14px;color:var(--muted);}
@media(max-width:680px){.sample{flex-direction:column;align-items:stretch;}.sample .th{width:100%;min-height:120px;}}
.faq dt{font-weight:800;color:var(--navy);margin-top:20px;font-size:16px;}
.faq dd{color:var(--muted);font-size:15px;margin-top:6px;}
.cta{background:var(--navy);color:#fff;text-align:center;padding:60px 24px;}
.cta h2{color:#fff;}
.cta p{opacity:.88;}
.cta .btn{display:inline-block;background:var(--accent);color:#fff;font-weight:800;padding:15px 32px;border-radius:8px;margin-top:8px;}
footer{background:#0b1f36;color:rgba(255,255,255,.6);text-align:center;padding:30px 0;font-size:13px;}
footer a{color:#9ec3ef;}
/* article */
.article{max-width:760px;margin:0 auto;padding:50px 24px 70px;}
.article h1{font-size:30px;color:var(--navy);line-height:1.5;margin-bottom:14px;}
.article .meta{color:var(--muted);font-size:13px;margin-bottom:30px;border-bottom:1px solid var(--line);padding-bottom:18px;}
.article h2{font-size:22px;margin:38px 0 14px;padding-left:12px;border-left:5px solid var(--blue);}
.article h3{font-size:18px;color:var(--navy);margin:24px 0 10px;}
.article p{font-size:16px;margin-bottom:16px;}
.article ul{margin:0 0 18px 22px;}
.article li{font-size:15.5px;margin-bottom:8px;}
.article .box{background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:22px 24px;margin:24px 0;}
.article .cta-in{background:var(--blue-l);border-radius:12px;padding:26px;text-align:center;margin-top:36px;}
.article .cta-in a{display:inline-block;background:var(--blue);color:#fff;font-weight:700;padding:13px 26px;border-radius:8px;margin-top:10px;}
table.cmp{width:100%;border-collapse:collapse;margin:18px 0;font-size:14.5px;}
table.cmp th,table.cmp td{border:1px solid var(--line);padding:11px 12px;text-align:left;}
table.cmp th{background:var(--soft);color:var(--navy);}