:root{--r:#e60012;--i:#171717;--m:#5f6368;--l:#e6e6e6;--s:#fafafa;--sr:#fff5f5;--w:1160px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP","Yu Gothic",Meiryo,sans-serif;color:var(--i);line-height:1.85}a{color:inherit;text-decoration:none}.head{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--l)}.headin,.crumb,main,.footin{max-width:var(--w);margin:auto}.headin{padding:12px 20px;display:flex;justify-content:space-between;align-items:center;gap:16px}.brand{font-size:30px;font-weight:900}.nav{display:flex;gap:10px}.b{display:inline-flex;padding:10px 18px;border-radius:999px;font-weight:800;border:2px solid var(--r)}.red{background:var(--r);color:#fff}.black{background:#111;color:#fff;border-color:#111}.crumb{padding:13px 20px;color:#666;font-size:13px}.hero{background:linear-gradient(135deg,#fff,#fff5f5);border-block:1px solid #f2dada}.heroin{max-width:var(--w);margin:auto;padding:50px 20px}.ey{color:var(--r);font-size:13px;font-weight:900;letter-spacing:.08em}h1{font-size:clamp(34px,5vw,56px);line-height:1.25;margin:8px 0 16px}.lead{font-size:18px;max-width:820px}.jump{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.jump a{border:1px solid #d6d6d6;border-radius:999px;padding:8px 14px;background:#fff;font-weight:700}main{padding:42px 20px 60px}.sec{margin-bottom:52px}.ttl{font-size:clamp(27px,3vw,38px);margin:0 0 10px}.sub{color:var(--m);margin:0 0 22px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.card,.method{border:1px solid var(--l);border-radius:18px;padding:21px;background:#fff}.tag{font-size:12px;color:var(--r);font-weight:900}.card h3{font-size:20px;line-height:1.45;margin:5px 0}.card p{margin:0;color:#555}.table{overflow:auto;border:1px solid var(--l);border-radius:16px}table{border-collapse:collapse;width:100%;min-width:980px}th,td{padding:14px;border-right:1px solid var(--l);border-bottom:1px solid var(--l);vertical-align:top;text-align:left}thead th{background:#171717;color:#fff}tbody th{background:#fafafa;width:130px}.notice{margin-top:16px;padding:18px 20px;background:var(--sr);border-left:5px solid var(--r)}.methods{display:grid;gap:18px}.mh{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}.mh h3{font-size:27px;margin:0}.mh p{margin:5px 0 0;color:#555}.more{color:var(--r);font-weight:900;white-space:nowrap;border-bottom:2px solid}.infos{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px}.info{background:var(--s);border-radius:13px;padding:15px}.info h4{margin:0 0 6px;font-size:15px}.info p{margin:0;font-size:14px;color:#555}.warn{margin-top:13px;padding:14px 16px;background:#fff8e8;border-radius:13px;color:#59451f}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.step{border:1px solid var(--l);border-radius:15px;padding:18px}.step b{display:block;margin-bottom:6px}.cta{background:#171717;color:#fff;border-radius:22px;padding:34px;display:flex;justify-content:space-between;align-items:center;gap:20px}.cta h2{margin:0 0 6px}.foot{background:#111;color:#fff}.footin{padding:38px 20px}.foot small{color:#aaa}@media(max-width:850px){.cards,.infos{grid-template-columns:1fr 1fr}.steps{grid-template-columns:1fr 1fr}.cta{display:block}.cta .nav{margin-top:18px}}@media(max-width:620px){.cards,.infos,.steps{grid-template-columns:1fr}.mh{display:block}.more{display:inline-block;margin-top:8px}.headin{align-items:flex-start}.nav .b:first-child{display:none}}

.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);border-bottom:1px solid #e6e6e6;backdrop-filter:blur(6px)}
.header-inner{max-width:1160px;margin:auto;padding:10px 20px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.site-header .brand{display:flex;align-items:center;gap:12px;min-width:0;font-size:initial;font-weight:initial}
.site-header .brand img{height:38px;width:auto;display:block}
.header-copy{font-size:12px;color:#444;line-height:1.5}
.header-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.top-link,.site-header .btn,.ghost,.line-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 18px;border-radius:999px;font-weight:800;border:2px solid #e60012}
.site-header .btn{background:#e60012;color:#fff}
.ghost{background:#fff;color:#e60012}
.line-btn{background:#111;border-color:#111;color:#fff}
.top-link{background:#fff;color:#e60012;font-size:14px}
.site-footer{background:#111;color:#fff;margin-top:0}
.footer-inner{max-width:1160px;margin:auto;padding:36px 20px}
.footer-grid{display:grid;grid-template-columns:1.3fr .9fr .9fr;gap:24px}
.footer-logo-box{display:inline-flex;align-items:center;justify-content:center;min-width:132px;min-height:58px;padding:12px 18px;margin:0 0 18px;background:#fff;border-radius:12px}
.footer-logo-box .footer-logo{display:block;width:96px!important;height:auto!important;filter:none!important}
.footer-links a{display:block;color:#fff;margin:6px 0}
.small{font-size:13px;color:#c8c8c8}
@media(max-width:960px){.footer-grid{grid-template-columns:1fr}.header-actions{display:none}}
@media(max-width:640px){.site-header .brand img{height:32px}.header-copy{display:none}}

.white-border{border-color:#fff}