:root{
  --ink:#1f2329; --sub:#6b7280; --line:#e5e7eb; --bg:#f6f7f9; --paper:#fff;
  --sumi:#1c1c1c; --red:#e3000f; --red-d:#c2000d; --navy:#12539f; --link:#1a56b8;
  --ok:#1f8a4c; --diffr:#e07000; --notyet:#6b7280; --eye:#1d6fd6; --unasked:#f08300;
  --font:"Noto Sans JP","Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:#fff;font-family:var(--font);color:var(--ink);-webkit-font-smoothing:antialiased}
a{color:var(--link)}
:focus-visible{outline:2px solid var(--navy);outline-offset:2px}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* ---- 試す帯（モックだけ。本番には入れない） ---- */
.try{position:relative;z-index:50;background:#2b2f36;color:#e8eaee;font-size:12px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding:8px 16px}
.try b{font-size:13px;margin-right:6px}
.try .grp{display:flex;gap:2px;background:#1b1d22;border-radius:6px;padding:2px}
.try button,.try a{font:inherit;color:#cfd3da;background:none;border:0;padding:6px 10px;border-radius:5px;cursor:pointer;text-decoration:none}
.try button[aria-pressed=true],.try a[aria-current=page]{background:#fff;color:#1b1d22;font-weight:700}
.try .sp{flex:1}

/* ---- 枠：PC／スマホの幅を切り替える ---- */
.stage{padding:24px 0 40px;display:flex;justify-content:center}
.site{width:100%;max-width:1440px;background:var(--paper);container-type:inline-size;box-shadow:0 10px 30px rgba(0,0,0,.15);overflow:hidden}
body.sp .site{max-width:390px;border-radius:18px}

/* ---- ヘッダー ---- */
.hd{background:var(--sumi);color:#fff;height:64px;display:flex;align-items:center;gap:28px;padding:0 32px;position:sticky;top:0;z-index:20}
.logo{display:flex;align-items:center}
.logo img{display:block;height:40px;width:auto}
.ft-logo img{height:44px}
.logo i{width:34px;height:24px;border:2px solid #fff;border-radius:5px;display:grid;place-items:center;font-style:normal;font-size:11px}
.logo small{font-size:10px;font-weight:700;color:var(--red);letter-spacing:0;margin-left:-4px;align-self:flex-start;margin-top:12px}
.nav{display:flex;gap:4px;flex:1}
.nav a{color:#d7dae0;text-decoration:none;font-size:14px;font-weight:500;padding:10px 12px;border-radius:6px}
.nav a:hover,.nav a[aria-current=page]{color:#fff;background:#2c2f35}
.hd .login{color:#fff;text-decoration:none;font-size:14px;font-weight:700;padding:10px 6px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 20px;border-radius:6px;font:700 15px/1 var(--font);text-decoration:none;border:1px solid transparent;cursor:pointer}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:var(--red-d)}
.btn-line{background:#fff;color:var(--ink);border-color:#cfd5df}
.btn-line:hover{border-color:var(--ink)}
.menu-b{display:none;background:none;border:1px solid #444;color:#fff;border-radius:6px;width:44px;height:44px;font-size:18px}

/* ---- スクショの枠（スクショが届くまで） ---- */
.shot{margin:0}
.shot-box{position:relative;border-radius:10px;border:1px dashed #9aa3af;background:
 repeating-linear-gradient(135deg,#f1f3f6 0 12px,#e9ecf1 12px 24px);display:flex;flex-direction:column;justify-content:center;align-items:center;gap:6px;text-align:center;padding:16px;color:#4b5563}
.shot-box.dark{background:repeating-linear-gradient(135deg,#2a2d33 0 12px,#24272c 12px 24px);border-color:#555;color:#c9cdd4}
.shot-id{font-weight:900;font-size:15px;background:#fff;color:var(--ink);border-radius:4px;padding:2px 8px;border:1px solid #cfd5df}
.shot-box.dark .shot-id{background:#3a3e45;color:#fff;border-color:#555}
.shot-name{font-size:13px;font-weight:700}
.shot-note{font-size:11px;color:#6b7280}
.shot-box.dark .shot-note{color:#9aa0a8}
.shot figcaption{font-size:13px;color:var(--sub);margin-top:8px}

/* ---- フッター ---- */
.ft{background:var(--sumi);color:#c9cdd4;padding:48px 32px 28px;font-size:13px}
.ft-in{max-width:1120px;margin:0 auto}
.ft-logo{justify-content:center;margin:0 auto 32px;width:max-content}
.ft-cols{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.ft h4{color:#fff;font-size:13px;margin:0 0 10px}
.ft ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.ft a{color:#c9cdd4;text-decoration:none}
.ft a:hover{color:#fff;text-decoration:underline}
.ft-copy{border-top:1px solid #333;margin-top:32px;padding-top:18px;color:#8a9099;font-size:12px}

/* ---- 決まりごと（モックの下） ---- */
.rules{max-width:1100px;margin:0 auto 60px;background:#fff;border-radius:10px;padding:28px 32px;font-size:14px;line-height:1.8;color:#333}
.rules h2{font-size:18px;margin:0 0 8px}
.rules h3{font-size:15px;margin:22px 0 6px}
.rules table{border-collapse:collapse;width:100%;font-size:13px}
.rules td,.rules th{border:1px solid #e3e5ec;padding:6px 10px;text-align:left;vertical-align:top}
.rules th{background:#f6f7f9}

@container (max-width:760px){
  .hd{height:56px;padding:0 14px;gap:10px}
  .nav,.hd .login{display:none}
  .hd .btn{min-height:40px;padding:0 12px;font-size:13px;margin-left:auto}
  .menu-b{display:block}
  .ft{padding:36px 18px 22px}
  .ft-cols{grid-template-columns:1fr 1fr}
}

.stage{padding:0;display:block}.site{max-width:none;box-shadow:none;overflow:visible}
.hd{position:sticky;top:0;z-index:40;box-shadow:0 1px 0 rgba(255,255,255,.06)}
.wrap{max-width:1120px;margin:0 auto;padding:0 32px}
.crumb{font-size:13px;color:var(--sub);margin:0;padding:18px 0 0}
.crumb a{color:var(--sub)}
.phead{background:var(--bg);border-bottom:1px solid var(--line);padding:44px 0 40px}
.phead h1{font-size:34px;font-weight:900;line-height:1.4;margin:6px 0 12px}
.phead p.lead{font-size:17px;line-height:1.9;color:#374151;margin:0;max-width:40em}
.psec{padding:56px 0;border-bottom:1px solid var(--line)}
.psec h2{font-size:26px;font-weight:900;margin:0 0 14px;line-height:1.45}
.psec p{font-size:16px;line-height:1.9;color:#374151;margin:0 0 12px}
.fsplit{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center}
.fsplit.rev{grid-template-columns:7fr 5fr}.fsplit.rev>div:first-child{order:2}
.pts{margin:8px 0 0;padding-left:1.2em;font-size:15px;line-height:2;color:#374151}
.pic{margin:0}.pic img{display:block;width:100%;height:auto;border-radius:10px;border:1px solid var(--line);box-shadow:0 10px 30px rgba(0,0,0,.10)}
.pic figcaption{font-size:13px;color:var(--sub);margin-top:8px}
.req{border:1px dashed #e3a008;background:#fffbeb;border-radius:10px;padding:16px;font-size:13px;color:#7a5a00;line-height:1.7;aspect-ratio:16/10;display:flex;flex-direction:column;justify-content:center;gap:6px}
.req b{font-size:13px;color:#7a5a00}
.vbox{background:var(--sumi);border-radius:14px;padding:10px}
.vbox video{display:block;width:100%;border-radius:8px;aspect-ratio:16/10;background:#555}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:0;padding:0;list-style:none}
.cards a{display:block;height:100%;border:1px solid var(--line);border-radius:10px;padding:20px;text-decoration:none;color:var(--ink);background:#fff}
.cards a:hover{border-color:var(--navy);box-shadow:0 6px 18px rgba(18,83,159,.10)}
.cards b{display:block;font-size:17px;margin-bottom:6px}.cards span{font-size:14px;color:#4b5563;line-height:1.8}
.hl{list-style:none;margin:16px 0 0;padding:0}.hl a{display:block;padding:10px 0;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink);font-size:15px}
.hl a::after{content:" ›";color:var(--sub)}
.tbl{border-collapse:collapse;width:100%;font-size:14px;margin:8px 0 18px}
.tbl th,.tbl td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top;line-height:1.7}
.tbl th{background:var(--bg);font-weight:700}
.tscroll{overflow-x:auto}
.cta-band{background:var(--sumi);color:#fff;text-align:center;padding:60px 24px 36px}
.pnote,.fsplit .pnote{font-size:13px;color:var(--sub);margin:12px 0 0;line-height:1.8}
.ft{padding-top:28px}
.cta-band h2{font-size:26px;margin:0 0 12px}.cta-band p{color:#c9cdd4;margin:0 0 22px}
.cta-band .btn-line{background:transparent;color:#fff;border-color:#666}
.cta{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
body.nav-open .nav{display:flex;position:absolute;top:56px;left:0;right:0;flex-direction:column;background:var(--sumi);padding:8px 14px 14px;z-index:30}
body.nav-open .hd .login{display:block;position:absolute;top:calc(56px + 200px);left:26px;z-index:31}
[id]{scroll-margin-top:84px}
.pic a.zoom{display:block;cursor:zoom-in;position:relative}
.pic a.zoom::after{content:"＋ 拡大";position:absolute;right:10px;bottom:10px;background:rgba(28,28,28,.78);color:#fff;font-size:12px;font-weight:700;border-radius:14px;padding:4px 10px;opacity:0;transition:opacity .2s}
.pic a.zoom:hover::after,.pic a.zoom:focus-visible::after{opacity:1}
.lb{position:fixed;inset:0;background:rgba(10,12,16,.86);z-index:100;display:none;align-items:center;justify-content:center;padding:24px;cursor:zoom-out}
.lb.on{display:flex}.lb img{max-width:100%;max-height:100%;border-radius:8px;box-shadow:0 20px 60px rgba(0,0,0,.5);background:#fff}.lb video{width:100%!important;height:100%!important;max-width:none!important;max-height:none!important;object-fit:contain;border-radius:8px;background:transparent}
.lb button{position:fixed;top:14px;right:16px;width:44px;height:44px;border-radius:50%;border:0;background:#fff;font-size:22px;cursor:pointer}
body.lb-open{overflow:hidden}
/* ---- ヘッダー（2026-10-12 作り直し） ---- */
.topbar{background:linear-gradient(90deg,#7a0a14,#c4001b 45%,#7a0a14);text-align:center}
.topbar a{display:inline-flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-size:13px;font-weight:700;padding:8px 16px;line-height:1.4}
.tb-new{background:#fff;color:var(--red);font-size:11px;font-weight:900;border-radius:3px;padding:1px 6px;letter-spacing:.06em}
.tb-go{opacity:.85;font-weight:500}
.topbar a:hover .tb-go{opacity:1;text-decoration:underline}
.hd{height:68px;gap:20px;background:rgba(18,19,23,.92);-webkit-backdrop-filter:saturate(1.4) blur(12px);backdrop-filter:saturate(1.4) blur(12px);box-shadow:0 1px 0 rgba(255,255,255,.08),0 8px 24px rgba(0,0,0,.18)}
.hd .dd{z-index:5}.hd::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:linear-gradient(90deg,transparent,rgba(227,0,15,.7) 30%,rgba(227,0,15,.7) 70%,transparent);pointer-events:none}
.hd .nav{gap:2px;margin-left:12px}
.hd .nav a{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:#c9cdd4;padding:10px 14px;line-height:1.2}
.hd .nav a:hover,.hd .nav a[aria-current=page]{background:rgba(255,255,255,.08);color:#fff}
.chev{opacity:.7;transition:transform .2s}
.has-dd{position:relative}.has-dd .dd.dd-help{width:340px}.dd-help .dd-i{display:block}.dd-q label{display:block;font-size:12px;font-weight:700;color:var(--sub);padding:4px 6px 8px}.dd-q input{display:block;width:100%;box-sizing:border-box;margin-top:6px;height:40px;border:1px solid #cfd5df;border-radius:8px;padding:0 12px;font:15px var(--font)}
.has-dd:hover .chev,.has-dd:focus-within .chev{transform:rotate(180deg)}
.dd{position:absolute;top:calc(100% + 10px);left:-12px;width:560px;background:#fff;color:var(--ink);border-radius:14px;padding:12px;box-shadow:0 24px 60px rgba(0,0,0,.28);opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .18s,transform .18s,visibility .18s}
.dd::before{content:"";position:absolute;left:0;right:0;top:-12px;height:12px}
.has-dd:hover .dd,.has-dd:focus-within .dd{opacity:1;visibility:visible;transform:none}
.dd-g{display:grid;grid-template-columns:1fr 1fr;gap:4px}
.hd .nav .dd-i{display:flex;align-items:flex-start;gap:12px;padding:12px;border-radius:10px;color:var(--ink);line-height:1.5}
.hd .nav .dd-i:hover{background:#f3f4f6;color:var(--ink)}
.dd-i svg{flex:none;color:var(--red);background:#fdecee;border-radius:8px;padding:6px;width:34px;height:34px}
.dd-i b{display:block;font-size:14px}.dd-i small{display:block;font-size:12px;color:var(--sub);font-weight:500}
.hd .nav .dd-all{display:block;margin-top:6px;padding:10px 12px;border-top:1px solid var(--line);border-radius:0;color:var(--navy);font-size:13px}
.hd .nav .dd-all:hover{background:none;text-decoration:underline;color:var(--navy)}
.btn{line-height:1.2;padding-top:1px}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.28)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.06)}
.hd .btn{min-height:42px;font-size:14px;white-space:nowrap}
.hd-cta{box-shadow:0 6px 18px rgba(227,0,15,.35)}
.hd-cta svg{margin-right:-4px}
.hd .login{color:#c9cdd4;padding:10px 8px}.hd .login:hover{color:#fff}
@container (max-width:760px){
  .topbar a{font-size:12px;padding:7px 10px}.tb-more{display:none}
  .hd{height:56px}.hd-sem{display:none}.dd{display:none}
  .hd .btn{min-height:38px;font-size:13px;padding-left:12px;padding-right:12px}.hd-cta svg{display:none}
}
@container (min-width:761px) and (max-width:1000px){.hd{height:56px;gap:10px}.hd-sem,.dd,.hd-cta svg{display:none}.nav,.hd .login{display:none}.menu-b{display:block}.hd .btn{margin-left:auto}body.nav-open .nav{display:flex}}@container (min-width:1001px) and (max-width:1100px){.hd-sem{display:none}}@container (max-width:400px){.hd{gap:4px;padding-left:10px;padding-right:10px}.hd .btn{padding-left:10px;padding-right:10px}.hd-search{width:38px}}@container (max-width:340px){.hd .logo img{width:92px;height:auto}}.hd .nav a.nav-sp{display:none}body.nav-open .hd .nav{margin-left:0;top:100%}body.nav-open .hd .nav a.nav-sp{display:flex}body.nav-open .hd .nav a.nav-sp1{border-top:1px solid rgba(255,255,255,.12);margin-top:6px;padding-top:14px}body.nav-open .hd .login{display:none}  /* 2026-10-13 ヘッダー：タブレット・小さいスマホではみ出さない／☰メニューに説明会とログイン */

.signup{display:flex;gap:8px;max-width:520px;flex-wrap:wrap}
.signup input{flex:1;min-width:220px;height:48px;border:1px solid #cfd5df;border-radius:6px;padding:0 14px;font:16px var(--font);background:#fff}
.signup input:focus{outline:2px solid var(--navy);border-color:var(--navy)}
.signup .btn{min-height:48px}
.sub-links{display:flex;gap:18px;flex-wrap:wrap;margin-top:12px;font-size:14px}.sub-links small{color:var(--sub);font-size:13px}
.hd-search{background:none;border:0;color:#d7dae0;width:44px;height:44px;border-radius:6px;cursor:pointer;display:grid;place-items:center}.hd-search:hover{background:#2c2f35;color:#fff}
.spane{position:fixed;inset:0;background:rgba(10,12,16,.55);z-index:90;display:none;padding:72px 16px}.spane.on{display:block}
.spane-in{position:relative;max-width:720px;margin:0 auto;background:#fff;border-radius:12px;padding:16px;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.spane-in input{width:100%;height:52px;border:1px solid #cfd5df;border-radius:8px;padding:0 48px 0 16px;font:16px var(--font)}
.spane-x{position:absolute;right:22px;top:22px;width:40px;height:40px;border:0;background:none;font-size:22px;cursor:pointer}
.result{display:none;margin-top:8px}.result.on{display:block}
.result a{display:flex;gap:10px;align-items:baseline;padding:12px 8px;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink);font-size:15px}
.result a:hover{background:#f3f6fc}.result a b{font-weight:700}.result small{display:block;font-size:13px;color:var(--sub);line-height:1.7;margin-top:2px}
.result small.ans{color:#1f2329;background:#fff8ec;border-radius:6px;padding:8px 10px;margin-top:6px;font-size:14px;line-height:1.8}
.result .none{padding:14px 8px;font-size:14px;color:var(--sub)}
.kind{flex:none;font-size:11px;font-weight:700;border-radius:4px;padding:2px 6px}.k-qa{background:#fff1e0;color:#a35400}.k-guide{background:#e7f0ff;color:#1747a6}
.pic-wait{aspect-ratio:16/10;border-radius:10px;background:var(--bg)}
.steps .hd-search{background:none;border:0;color:#d7dae0;width:44px;height:44px;border-radius:6px;cursor:pointer;display:grid;place-items:center}.hd-search:hover{background:#2c2f35;color:#fff}
.spane{position:fixed;inset:0;background:rgba(10,12,16,.55);z-index:90;display:none;padding:72px 16px}.spane.on{display:block}
.spane-in{position:relative;max-width:720px;margin:0 auto;background:#fff;border-radius:12px;padding:16px;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.spane-in input{width:100%;height:52px;border:1px solid #cfd5df;border-radius:8px;padding:0 48px 0 16px;font:16px var(--font)}
.spane-x{position:absolute;right:22px;top:22px;width:40px;height:40px;border:0;background:none;font-size:22px;cursor:pointer}
.result{display:none;margin-top:8px}.result.on{display:block}
.result a{display:flex;gap:10px;align-items:baseline;padding:12px 8px;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink);font-size:15px}
.result a:hover{background:#f3f6fc}.result a b{font-weight:700}.result small{display:block;font-size:13px;color:var(--sub);line-height:1.7;margin-top:2px}
.result small.ans{color:#1f2329;background:#fff8ec;border-radius:6px;padding:8px 10px;margin-top:6px;font-size:14px;line-height:1.8}
.result .none{padding:14px 8px;font-size:14px;color:var(--sub)}
.kind{flex:none;font-size:11px;font-weight:700;border-radius:4px;padding:2px 6px}.k-qa{background:#fff1e0;color:#a35400}.k-guide{background:#e7f0ff;color:#1747a6}
.pic-wait{display:none}
.newb{display:none;flex:none;font-size:11px;font-weight:700;letter-spacing:.04em;color:#fff;background:#c2000d;border-radius:999px;padding:2px 8px;margin-right:6px;vertical-align:2px}.newb.on{display:inline-block}
.newarts{padding:8px 0 4px}.newarts h2{display:flex;align-items:center;gap:4px}.newarts h2 small{font-size:13px;font-weight:400;color:var(--sub);margin-left:6px}.newarts .result{position:static;box-shadow:none;border:1px solid var(--line)}
.mock-note{background:#fffbeb;border-bottom:1px solid #fde68a;color:#7a5a00;font-size:13px;padding:8px 16px;text-align:center}
@container (max-width:760px){
 .wrap{padding:0 18px}.phead{padding:28px 0}.phead h1{font-size:25px}
 .psec{padding:40px 0}.psec h2{font-size:21px}
 .fsplit,.fsplit.rev{grid-template-columns:1fr;gap:20px}.fsplit.rev>div:first-child{order:0}
 .cards{grid-template-columns:1fr}
}

.totop{position:fixed;right:20px;bottom:24px;z-index:60;width:48px;height:48px;border-radius:50%;border:0;background:#1c1c1c;color:#fff;box-shadow:0 0 0 2px rgba(255,255,255,.9),0 8px 22px rgba(0,0,0,.28);cursor:pointer;display:grid;place-items:center;opacity:0;transform:translateY(12px);pointer-events:none;transition:opacity .2s,transform .2s,background .2s}
.totop.on{opacity:.92;transform:none;pointer-events:auto}
.totop:hover{background:var(--red,#e3000f);opacity:1}
.totop:focus-visible{outline:3px solid #ffbf47;outline-offset:2px}
.totop svg{width:20px;height:20px}
@media (max-width:760px){.totop{right:14px;bottom:16px;width:44px;height:44px}}
@media print{.totop{display:none}}

.pdfdl{display:inline-flex;align-items:center;gap:10px;margin-top:18px;padding:10px 16px 10px 12px;border:1px solid #cfd5df;border-radius:10px;background:#fff;color:#1f2329;text-decoration:none;font-size:14px;font-weight:700;line-height:1.5;box-shadow:0 1px 2px rgba(0,0,0,.04)}
.pdfdl:hover{border-color:#1f3a68;text-decoration:none}.pdfdl:focus-visible{outline:3px solid #ffbf47;outline-offset:2px}
.pdfdl .ic{flex:none;width:34px;height:40px;border-radius:4px;background:#d0021b;color:#fff;font-size:10px;font-weight:900;display:grid;place-items:center}
.pdfdl small{display:block;font-weight:500;color:#5b6472;font-size:12px;margin-top:2px}
.phead .wrap{position:relative}
@media (min-width:1000px){.phead .pdfdl{position:absolute;right:32px;top:6px;margin:0;max-width:360px}.phead p.lead{max-width:36em}}
@media (min-width:1000px){.tr-hero .pdfdl{position:absolute;right:32px;top:40px;margin:0;max-width:360px}html body .tr-hero .wrap>p.lead{max-width:calc(100% - 400px)}}
.cats-hd{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.cats-hd .pdfdl{margin:0 0 12px}
@media print{.pdfdl{display:none}}

@media (min-width:761px){html body .psec .tscroll .tbl{table-layout:fixed;width:100%}html body .psec .tscroll .tbl thead th:first-child{width:22%}html body .psec .tscroll .tbl th,html body .psec .tscroll .tbl td{white-space:normal;overflow-wrap:anywhere}}
html body .awrap .tscroll .tbl{font-size:13px;margin:8px 0 18px}
html body .awrap .tscroll .tbl th,html body .awrap .tscroll .tbl td{padding:8px 9px;white-space:normal;overflow-wrap:anywhere;line-height:1.6;text-align:left}
html body .awrap .tscroll .tbl tbody td:first-child{font-weight:700;background:var(--bg);min-width:6.5em}