@charset "UTF-8";
:root{--blue:#126ce8;--cyan:#08cbd3;--navy:#092b64;--text:#294668;--sub:#627b96;--line:#dfeefa;--light:#eef9ff;--shadow:0 12px 32px rgba(29,105,166,.09)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",system-ui,sans-serif;color:var(--text);background:#fff;line-height:1.85}a{color:#076dce;text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto}h1,h2,h3{color:var(--navy);line-height:1.35;margin:0 0 .65em}h1{font-size:clamp(2.2rem,4.5vw,4.2rem);letter-spacing:-.045em}h2{font-size:clamp(1.65rem,3vw,2.4rem)}h3{font-size:1.07rem}p{margin:.45em 0 1.3em}.container{width:min(1140px,calc(100% - 40px));margin:auto}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid #edf5fb}.nav{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:inline-flex;align-items:center;max-width:220px;font-size:1.5rem;font-weight:900;color:var(--navy)}.brand img{max-width:200px;max-height:60px;object-fit:contain}.nav-links{display:flex;align-items:center;gap:28px}.nav-links>a:not(.btn){color:var(--navy);font-size:.88rem;font-weight:700}.mobile-menu{display:none}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;background:linear-gradient(110deg,#0867ed,#04c7d2);border-radius:999px;color:#fff;border:0;font:inherit;font-size:.93rem;font-weight:750;box-shadow:0 8px 18px rgba(14,126,206,.16);cursor:pointer;text-decoration:none;text-align:center}.btn:hover{text-decoration:none;filter:brightness(1.055)}.btn.small{padding:9px 20px;font-size:.84rem}.btn.big{padding:17px 30px}.btn.outline{background:#fff;color:#0871d3;border:1px solid #acd9fa;box-shadow:none}.btn.white{background:#fff;color:#0871d3;box-shadow:none}.hero{overflow:hidden;background:radial-gradient(ellipse at 85% 36%,#dcfaff 0%,transparent 44%),linear-gradient(165deg,#fff 0%,#f1fbff 75%,#dcf9ff 100%);position:relative}.hero:after{content:"";display:block;height:45px;background:linear-gradient(175deg,transparent 48%,#fff 50%)}.hero-grid{display:grid;grid-template-columns:1fr 1.08fr;align-items:center;min-height:610px;gap:20px;padding-top:65px;padding-bottom:30px}.hero h1 span,.blue{color:#0789e7}.lead{font-size:1.06rem;line-height:2;color:#466280}.eyebrow{font-size:.84rem;color:#0789d7;font-weight:800;letter-spacing:.095em}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:27px 0}.chips{display:flex;flex-wrap:wrap;gap:16px;color:#1674b5;font-weight:700;font-size:.85rem}.hero-art img{width:100%;filter:drop-shadow(0 16px 20px rgba(11,110,184,.08))}.section{padding:90px 0}.section.tint{background:linear-gradient(170deg,#f6fcff,#eafaff 58%,#f7fdff)}.section-heading{text-align:center;max-width:790px;margin:0 auto 38px}.section-heading p{color:var(--sub)}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.feature-card,.step{background:#fff;border:1px solid #e4f2fb;border-radius:23px;padding:26px 22px;text-align:center;box-shadow:var(--shadow)}.feature-card img{height:124px;width:124px;object-fit:contain;display:block;margin:0 auto 14px}.feature-card p,.step p{color:var(--sub);font-size:.9rem;line-height:1.8}.fine-print{font-size:.81rem;color:var(--sub);margin-top:20px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.step{position:relative}.step img{width:100%;max-height:210px;object-fit:contain;margin:0 auto 12px}.step-no{position:absolute;left:20px;top:20px;width:38px;height:38px;border-radius:100%;background:linear-gradient(120deg,#06a9ee,#0869e9);color:#fff;font-size:1.3rem;font-weight:800;line-height:38px}.center{text-align:center;margin-top:28px}.security{display:grid;grid-template-columns:43% 1fr;align-items:center;gap:50px}.security>img{width:100%;max-width:455px}.checks{list-style:none;padding:0}.checks li{padding:11px 0 11px 30px;position:relative}.checks li:before{content:'✓';color:#0ab3c7;font-weight:900;position:absolute;left:0}.faq-list{max-width:850px;margin:30px auto}.faq-list details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:15px 20px;margin:11px 0}.faq-list summary{cursor:pointer;font-weight:750;color:var(--navy)}.faq-list details p{margin:14px 0 0;color:var(--sub)}.cta{border-radius:27px;background:linear-gradient(110deg,#0a6ce9,#03c9d1);padding:55px 28px;text-align:center;color:#fff;overflow:hidden}.cta h2{color:#fff}.cta p{color:#eaffff}.footer{border-top:1px solid #e4f2fa;padding:36px 0;background:#fbfeff}.foot-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:18px}.footer-links{display:flex;gap:15px;flex-wrap:wrap;font-size:.82rem}.footer small{color:var(--sub)}.article{max-width:900px}.article h1{font-size:clamp(2rem,4vw,3rem);margin-bottom:30px}.article h2{font-size:1.55rem;margin:38px 0 10px}.article>p{line-height:2}.how-row{display:grid;grid-template-columns:260px 1fr;gap:36px;align-items:center;padding:24px 0;border-bottom:1px solid var(--line)}.how-row img{width:100%;max-height:240px;object-fit:contain}.form{max-width:700px;display:grid;gap:22px;margin:30px 0}.form>label{display:grid;gap:8px;font-weight:700}.form>label span:not(.checkbox span){color:#e44365;font-size:.75rem}.form input:not([type=checkbox]),.form select,.form textarea{font:inherit;width:100%;padding:12px 14px;border:1px solid #bfd7e8;border-radius:10px;background:#fff;color:var(--navy)}.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid #68c9f6}.form .checkbox{display:flex;align-items:center;font-weight:400;gap:9px}.honeypot{position:absolute;left:-99999px;height:1px;overflow:hidden}.notice{padding:15px 20px;border-radius:10px;margin:20px 0}.notice.success{background:#e7f9ef;color:#176740}.notice.error{background:#fff0f1;color:#ac2444}.admin-body{background:#f5f9fd}.admin-header{background:#fff;border-bottom:1px solid var(--line)}.admin-main{padding:45px 0 90px}.login-card{background:#fff;max-width:500px;margin:30px auto;padding:30px;border-radius:18px;box-shadow:var(--shadow)}.login-card h1{font-size:1.65rem}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:25px 0}.stats>div{padding:22px;background:#fff;border-radius:15px;box-shadow:var(--shadow)}.stats strong{display:block;color:var(--blue);font-size:2rem}.stats span{color:var(--sub)}.table-scroll{overflow:auto}.admin-table{width:100%;background:#fff;border-collapse:collapse;border-radius:15px;overflow:hidden}.admin-table th,.admin-table td{border-bottom:1px solid var(--line);padding:13px;text-align:left;white-space:nowrap}.admin-table th{background:#eaf6fe;color:var(--navy)}.detail-card{background:#fff;padding:25px;border-radius:15px;max-width:800px}.message-text{white-space:pre-wrap;overflow-wrap:anywhere}
@media(max-width:800px){.nav{min-height:65px}.brand img{max-width:155px;max-height:50px}.mobile-menu{display:block;margin-left:auto;background:none;border:0;font-size:1.45rem;color:var(--navy)}.nav-links{display:none;position:absolute;top:65px;left:0;right:0;background:#fff;padding:20px;box-shadow:var(--shadow);flex-direction:column;gap:17px}.nav-links.open{display:flex}.hero-grid{grid-template-columns:1fr;padding-top:55px;text-align:center;min-height:0}.hero-grid .hero-art{max-width:580px;margin:auto}.hero-actions,.chips{justify-content:center}.section{padding:65px 0}.feature-grid{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:1fr;max-width:440px;margin:auto}.security{grid-template-columns:1fr;text-align:left;gap:12px}.security>img{max-width:300px;justify-self:center}.how-row{grid-template-columns:1fr;gap:10px;text-align:center}.how-row img{max-height:250px}.foot-inner{justify-content:center;text-align:center}.stats{gap:8px}}@media(max-width:520px){.container{width:min(100% - 28px,1140px)}.hero-actions{flex-direction:column}.hero-actions .btn{width:100%}.feature-grid{grid-template-columns:1fr 1fr;gap:10px}.feature-card{padding:16px 9px}.feature-card img{height:86px;width:86px}.feature-card h3{font-size:.92rem}.feature-card p{font-size:.78rem}.section-heading{margin-bottom:26px}.cta{padding:40px 16px}.footer-links{justify-content:center}.stats strong{font-size:1.5rem}.stats>div{padding:10px}}

.dl-site-announcement{background:#e9f7fc;color:#155778;text-align:center;padding:12px 20px;white-space:pre-wrap;overflow-wrap:anywhere;border-bottom:1px solid #cae8f4;font-weight:650}