:root{--navy:#071b3a;--blue:#0878ff;--gold:#b58a2b;--ink:#15243b;--muted:#66758a;--line:#dfe6ef;--soft:#f4f7fb;--white:#fff;--shadow:0 20px 60px rgba(21,48,81,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:"Noto Sans JP",sans-serif;line-height:1.8}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button,input,select,textarea{font:inherit}a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #ffbf47;outline-offset:3px}.wrap{width:min(1180px,calc(100% - 40px));margin:auto}.skip-to-main{position:fixed;top:-80px;left:12px;z-index:100;padding:9px 15px;background:var(--navy);color:#fff}.skip-to-main:focus{top:10px}
.site-header{position:sticky;top:0;z-index:30;padding:10px 0;background:rgba(244,247,251,.82);border:0;backdrop-filter:blur(14px)}.header-inner{position:relative;display:flex;align-items:center;gap:20px;min-height:62px;padding:0 18px 0 22px;border:1px solid #cfd9e6;border-radius:999px;background:rgba(255,255,255,.94);box-shadow:0 12px 40px rgba(20,50,90,.08)}.brand{display:flex;align-items:center;gap:10px;color:var(--navy);font-size:12px;font-weight:900;letter-spacing:.06em;white-space:nowrap}.brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--navy);color:#fff;font:900 11px Roboto}.nav{display:flex;gap:14px;align-items:center;margin-left:auto;font-size:10.5px;font-weight:700}.nav a{white-space:nowrap}.nav a:hover,.nav a[aria-current=page]{color:var(--blue)}.nav .cta{padding:10px 16px;border-radius:999px;background:var(--blue);color:#fff;box-shadow:0 7px 18px rgba(8,120,255,.24)}.menu{display:none;margin-left:auto;border:0;background:none;color:var(--navy);font-size:27px;line-height:1}
.page-hero{padding:80px 0;background:linear-gradient(135deg,#f4f7fb,#fff);border-bottom:1px solid var(--line)}.kicker{display:block;margin-bottom:10px;color:var(--gold);font:800 11px Roboto;letter-spacing:.16em}.page-hero h1,.section-title{margin:0;color:var(--navy);font-size:clamp(32px,4.5vw,58px);line-height:1.35;letter-spacing:-.04em}.page-hero p{max-width:680px;margin:18px 0 0;color:var(--muted)}.section{padding:85px 0}.section.is-soft{background:var(--soft)}.section-title{font-size:clamp(27px,3.6vw,43px)}.lead{max-width:730px;color:var(--muted)}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{padding:28px;border:1px solid var(--line);border-radius:18px;background:#fff}.card h2,.card h3{margin:0 0 9px;color:var(--navy)}.card p{margin:0;color:var(--muted);font-size:13px}.number{display:block;margin-bottom:28px;color:var(--blue);font:900 12px Roboto}.rule-list{border-top:1px solid var(--line)}.rule{display:grid;grid-template-columns:48px 1fr;gap:20px;padding:24px 0;border-bottom:1px solid var(--line)}.rule b{color:var(--gold);font:900 18px Roboto}.rule h3{margin:0;color:var(--navy);font-size:17px}.rule p{margin:6px 0 0;color:var(--muted);font-size:13px}.notice{padding:20px 24px;border-left:3px solid var(--gold);background:#fff8e9;color:#5b4a25;font-size:13px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 24px;border:0;border-radius:10px;font-weight:800}.btn-primary{background:var(--blue);color:#fff}.btn-secondary{border:1px solid var(--line);background:#fff;color:var(--navy)}.actions{display:flex;gap:12px;margin-top:28px}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:16px}table{width:100%;border-collapse:collapse;background:#fff;font-size:13px}th,td{padding:17px 19px;text-align:left;border-bottom:1px solid var(--line)}th{width:30%;color:var(--navy);background:var(--soft)}.form{display:grid;gap:17px;max-width:760px}.field{display:grid;gap:7px}.field label{color:var(--navy);font-size:12px;font-weight:800}.field input,.field select,.field textarea{width:100%;padding:13px 14px;border:1px solid #cbd6e4;border-radius:9px;background:#fff}.field textarea{min-height:170px;resize:vertical}.check{display:flex;gap:9px;align-items:flex-start;font-size:12px;color:var(--muted)}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.product{overflow:hidden;border:1px solid var(--line);border-radius:18px;background:#fff}.product img{width:100%;aspect-ratio:1.15;object-fit:cover}.product-body{padding:20px}.product h3{margin:0;color:var(--navy);font-size:15px}.price{margin-top:12px;color:var(--navy);font:900 22px Roboto}.tag{display:inline-block;padding:5px 9px;border-radius:999px;background:#eaf3ff;color:var(--blue);font-size:10px;font-weight:800}.empty{padding:38px;border:1px dashed #b8c5d6;border-radius:17px;text-align:center;color:var(--muted)}details{border-bottom:1px solid var(--line)}summary{padding:21px 0;cursor:pointer;color:var(--navy);font-weight:800}.answer{padding:0 0 22px;color:var(--muted);font-size:13px}.footer{padding:38px 0;background:var(--navy);color:#fff}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}.footer-links{display:flex;flex-wrap:wrap;gap:17px;color:#d8e1ee;font-size:10px}.footer small{color:#9fb0c7}
@media(max-width:850px){.nav{display:none}.site-header.menu-open .nav{position:absolute;top:calc(100% + 10px);left:0;right:0;display:flex;flex-direction:column;align-items:stretch;gap:0;padding:12px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 20px 50px rgba(7,27,58,.16)}.site-header.menu-open .nav a{padding:12px 14px;border-radius:10px}.site-header.menu-open .nav a:hover{background:var(--soft)}.site-header.menu-open .nav .cta{text-align:center;margin-top:5px}.menu{display:block}.grid-2,.grid-3,.product-grid{grid-template-columns:1fr}.footer-inner{align-items:flex-start;flex-direction:column}}@media(max-width:768px){.page-hero h1,.section-title{overflow-wrap:anywhere}}@media(max-width:560px){.wrap{width:min(100% - 28px,1120px)}.site-header{padding:8px 0}.header-inner{min-height:56px;padding:0 13px}.brand{font-size:11px}.brand-mark{width:32px;height:32px}.page-hero{padding:60px 0}.section{padding:64px 0}.actions{flex-direction:column}.btn{width:100%}th,td{display:block;width:100%}th{border-bottom:0;padding-bottom:6px}td{padding-top:6px}.rule{grid-template-columns:36px 1fr}}