*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font-family:system-ui,-apple-system,"Hiragino Sans","Noto Sans JP",sans-serif;line-height:1.7}
main{max-width:760px;margin:0 auto;padding:24px 16px 48px}
h1{font-size:1.5rem;margin:0 0 4px}
.lead{color:var(--sub);margin:0 0 20px}
form{display:grid;gap:12px;grid-template-columns:1fr 1fr;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px}
label{display:grid;gap:4px;font-size:.9rem;color:var(--sub)}
select,input{font:inherit;padding:8px;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--fg)}
.full{grid-column:1/-1}
.check{display:flex;gap:8px;align-items:center;color:var(--fg)}
button{font:inherit;padding:10px;border:0;border-radius:6px;background:var(--accent);color:#fff;cursor:pointer}
@media (max-width:560px){form{grid-template-columns:1fr}}
#summary{margin:20px 0 8px;font-weight:600}
ol{padding-left:1.4em;margin:0}
li{margin:0 0 12px}
li a{color:var(--accent)}
.meta{color:var(--sub);font-size:.85rem}
.more{margin-top:20px;background:var(--card);border:1px dashed var(--line);border-radius:10px;padding:16px}
.more p{margin:0 0 8px}
.note{color:var(--warn);font-size:.85rem}
.more form{margin-top:8px}
#regMsg{margin:0;color:var(--fg)}
footer{margin-top:32px;color:var(--sub);font-size:.8rem}

/* 診断ツールの見た目を受け皿のトップにそろえる（build.mjs が shindan.html の style の後ろに足す・2026-10-28）。暗い表示には切り替えない */
:root{color-scheme:light;--bg:#f7f4ed;--fg:#142e40;--sub:#626b6d;--line:#c6c6bd;--accent:#be5036;--card:#fffdf8;--warn:#8a4b12}
body{font-family:"Yu Gothic","Hiragino Kaku Gothic ProN",sans-serif;line-height:1.9;-webkit-text-size-adjust:100%}
a,li a{color:#91402e;text-underline-offset:3px}
.shell{width:min(1380px,calc(100% - 96px));margin-inline:auto}
.site-header{min-height:90px;display:flex;align-items:center;gap:24px;border-bottom:1px solid var(--line)}
.identity{display:flex;align-items:center;gap:24px;text-decoration:none;color:var(--fg)}
.wordmark{font:700 30px/1.3 "Yu Mincho","Hiragino Mincho ProN",serif;letter-spacing:.02em;white-space:nowrap}
.brand-note{border-left:1px solid #aaa;padding-left:22px;font-size:13px;font-weight:600;line-height:1.8}
.brand-note small{display:block;font-weight:400;font-size:12px;color:var(--sub)}
main{padding:40px 24px 56px}
h1{font:600 clamp(26px,3.6vw,36px)/1.5 "Yu Mincho","Hiragino Mincho ProN",serif;margin:.2em 0 .4em}
form{border-color:#dbd5ca;border-radius:8px;padding:20px}
select,input{background:#fff;border-color:#c8c9c3;border-radius:4px;font-size:16px}
button{background:var(--accent);font-weight:600;border-radius:6px;padding:12px}
button:hover{background:#a9412b}
.more{border-radius:8px}
.footer-links{display:flex;flex-wrap:wrap;gap:6px 20px}
@media (max-width:1100px){.shell{width:calc(100% - 48px)}.brand-note{display:none}}
@media (max-width:720px){.shell{width:calc(100% - 40px)}.site-header{min-height:72px}.wordmark{font-size:24px}main{padding:28px 20px 44px}}