:root{color-scheme:light;--mint:#b3f5d9;--lilac:#edd6f0;--orange:#ff7a00}
*{box-sizing:border-box}
body{margin:0;color:#000;background:#fff;font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Noto Sans JP",sans-serif;font-size:16px;line-height:1.9}
a{color:inherit;text-underline-offset:4px;overflow-wrap:anywhere}
a:hover{text-decoration-thickness:2px}
a:focus-visible{outline:3px solid #000;outline-offset:5px}
header{max-width:1024px;margin:auto;padding:24px;display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid #000}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;text-decoration:none}
.brand img{border:1px solid #000;border-radius:10px}
.contact{border:1px solid #000;border-radius:999px;padding:6px 18px;font-size:14px;font-weight:700;background:var(--orange);text-decoration:none}
main{max-width:840px;margin:48px auto 0;padding:0 24px}
.heading{padding:30px 32px;border:1px solid #000;border-radius:20px;background:var(--mint);box-shadow:6px 8px 0 #000;margin:0 6px 32px 0}
.heading span{font-size:13px;font-weight:700}
h1{margin:10px 0 0;font-size:clamp(26px,4vw,40px);font-weight:900;line-height:1.45;letter-spacing:-.04em;overflow-wrap:anywhere}
nav{display:flex;flex-wrap:wrap;gap:10px;margin:36px 0 44px}
nav a{padding:7px 13px;border:1px solid #000;border-radius:999px;font-size:13px;text-decoration:none}
nav a[aria-current]{background:var(--lilac);font-weight:700}
article{overflow-wrap:anywhere}
h2{font-size:20px;line-height:1.6;margin:44px 0 16px;padding-bottom:12px;border-bottom:1px solid #000;font-weight:800}
p{margin:0 0 20px}
ul{padding-left:24px}li{margin:12px 0}
footer{max-width:792px;margin:56px auto 0;padding:28px 24px 40px;border-top:1px solid #000;font-size:14px}
footer p{margin:12px 0 0;font-size:12px}
.skip{position:absolute;left:12px;top:-80px;background:white;padding:8px;z-index:2}.skip:focus{top:12px}
@media(max-width:480px){header{padding:16px}.brand{font-size:14px;gap:8px}.brand img{width:32px;height:32px}.contact{font-size:12px;padding:5px 12px}main{margin-top:32px;padding:0 20px}.heading{padding:24px}nav{gap:8px}body{font-size:15px}}