/* 18 Score サポート・法務ページ共通スタイル（トップページのLPデザインに準拠） */
:root{
  --green:#164534; --gold:#c9a24a; --btn:#2f6a4b;
  --ink:#242422; --muted:#71716a; --bg:#f4f3ee; --line:#e7e5dd;
  --reading-width:760px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:#fff;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,'SF Pro JP','SF Pro Text','Hiragino Sans','Hiragino Kaku Gothic ProN','Noto Sans JP',sans-serif;font-size:15px;line-height:1.9;-webkit-font-smoothing:antialiased}
img{max-width:100%}
a{color:var(--btn);text-decoration:none}
a:hover{color:var(--green);text-decoration:underline}
a:focus-visible{outline:3px solid rgba(201,162,74,.5);outline-offset:3px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.site-header .inner{max-width:1120px;margin:0 auto;padding:14px 30px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand-logo{display:inline-flex;align-items:center}
.brand-logo img{display:block;height:28px;width:auto}
.top-nav{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.top-nav a{color:var(--ink);font-size:12px;font-weight:700;white-space:nowrap}
.top-nav a:hover{color:var(--green);text-decoration:none}

/* ---------- main（読みものページ） ---------- */
main{width:min(calc(100% - 40px),var(--reading-width));margin:0 auto;padding:52px 0 80px}
main h1{margin:0 0 8px;font-size:clamp(26px,4.5vw,34px);line-height:1.4;font-weight:900;color:var(--green);letter-spacing:.01em}
main h2{margin:44px 0 14px;padding-bottom:8px;border-bottom:1px solid var(--line);font-size:19px;line-height:1.5;font-weight:900;color:var(--green)}
.lede{color:var(--muted);font-size:16px}
.updated{margin:0 0 32px;color:var(--muted);font-size:12.5px}
ul.plain,ol.plain{padding-left:1.4rem}
.plain li{margin:7px 0}
.faq dt{margin-top:22px;font-weight:800}
.faq dd{margin:5px 0 0;color:var(--muted)}
.note{margin:20px 0;padding:16px 18px;border:1px solid var(--line);border-radius:12px;color:var(--muted);background:var(--bg);font-size:13px}
table{width:100%;margin:20px 0;border-collapse:collapse;font-size:14px}
th,td{padding:12px 10px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
th{width:30%;color:var(--muted);font-weight:700}
.mail-cta{display:inline-flex;margin:16px 0;padding:12px 22px;border-radius:8px;color:#fff;background:var(--btn);font-weight:700;box-shadow:0 4px 12px rgba(47,107,75,.28)}
.mail-cta:hover{color:#fff;background:var(--green);text-decoration:none}
.back-link{display:inline-block;margin-top:38px;font-weight:700}
.form-embed{margin:24px 0 8px;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;box-shadow:0 6px 18px rgba(0,0,0,.05)}
.form-embed iframe{display:block;width:100%;height:860px;border:0}

/* ---------- 事前登録フォーム（自前） ---------- */
.su-form{margin:26px 0 10px;padding:24px 24px 18px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 6px 18px rgba(0,0,0,.05);max-width:560px}
.su-label{display:block;font-size:13px;font-weight:800;color:var(--green);margin:16px 0 7px}
.su-form .su-label:first-child{margin-top:0}
.su-input{width:100%;padding:12px 14px;font-size:16px;border:1.5px solid var(--line);border-radius:8px;background:#fff;color:var(--ink)}
.su-input:focus{outline:none;border-color:var(--btn);box-shadow:0 0 0 3px rgba(47,107,75,.12)}
.su-radios{display:flex;gap:8px;flex-wrap:wrap}
.su-radios label{position:relative;cursor:pointer}
.su-radios input{position:absolute;opacity:0;pointer-events:none}
.su-radios span{display:inline-block;padding:9px 20px;border:1.5px solid var(--line);border-radius:22px;font-size:14px;font-weight:700;color:var(--ink);background:#fff}
.su-radios input:checked+span{background:var(--btn);border-color:var(--btn);color:#fff}
.su-radios input:focus-visible+span{outline:3px solid rgba(201,162,74,.5);outline-offset:2px}
.su-submit{width:100%;margin-top:20px;padding:14px;background:var(--btn);color:#fff;border:0;border-radius:8px;font-weight:800;font-size:15px;cursor:pointer;box-shadow:0 4px 12px rgba(47,107,75,.28);font-family:inherit}
.su-submit:hover{background:var(--green)}
.su-submit:disabled{opacity:.6;cursor:default}
.su-hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.su-privacy{margin:12px 0 0;font-size:11.5px;color:var(--muted);line-height:1.7}
.su-field-error{margin:6px 0 0;font-size:12px;color:#b23c17;font-weight:700}
.su-done{margin:26px 0 10px;padding:26px 24px;background:#f1f5f2;border:1px solid #cfe0d5;border-radius:14px;max-width:560px}
.su-done b{font-size:16px;color:var(--green)}
.su-done p{margin:6px 0 0;font-size:13.5px;color:var(--ink)}
.card-links{display:grid;gap:12px;padding:0;margin:28px 0;list-style:none}
.card-links a{display:block;padding:17px 20px;color:var(--ink);border:1px solid var(--line);border-radius:12px;background:#fff;font-weight:700}
.card-links a:hover{border-color:var(--gold);text-decoration:none}
.card-links span{display:block;color:var(--muted);font-size:12px;font-weight:400}

/* ---------- footer ---------- */
.site-footer{background:var(--bg);border-top:1px solid var(--line);padding:26px 30px 30px}
.site-footer .inner{max-width:1120px;margin:0 auto;display:flex;flex-wrap:wrap;gap:14px 24px;align-items:center;justify-content:space-between}
.site-footer .inner>img{height:22px;width:auto}
.footer-nav{display:flex;flex-wrap:wrap;gap:6px 18px;font-size:11.5px}
.footer-nav a:hover{text-decoration:none}
.footer-copy{width:100%;font-size:10.5px;color:var(--muted);margin-top:4px}

@media(max-width:640px){
  .site-header .inner{padding:12px 18px}
  .top-nav{gap:12px}
  .top-nav a{font-size:11px}
  main{padding:40px 0 64px}
  th{width:34%}
  .site-footer{padding:22px 18px 26px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}