:root{--pine:#2C3A3E;--teal:#4D6F70;--mint:#C9E0CC;--washi:#F5F7F4;--mist:#E9EFEA;--ink:#1f2a2d;--soft:#5b6b6e;--line:#d9e1dc;--card:#fff;--red:#B3492B}
@media (prefers-color-scheme:dark){:root{--washi:#151c1e;--mist:#1c2528;--ink:#e6ecea;--soft:#9fb0b2;--line:#2d3a3d;--card:#1e282b;--pine:#9fc3c4;--teal:#8fb3b3}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--washi);color:var(--ink);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Hiragino Sans","Noto Sans JP",sans-serif}
a{color:var(--teal)}img{max-width:100%;height:auto;display:block}
.bar{background:#2C3A3E;color:#fff}.bar .in{display:flex;justify-content:space-between;align-items:center;gap:12px;padding-block:14px}
.bar a{color:#fff;text-decoration:none;font-weight:700}.bar nav a{font-weight:500;color:#C9E0CC;margin-left:16px;font-size:15px}
.in{max-width:60rem;margin:0 auto;padding-inline:16px}
.doc{max-width:46rem;margin:0 auto;padding:40px 16px 64px}.doc h1{font-size:30px;line-height:1.25;margin:.2em 0 .4em}.doc h2{font-size:20px;margin:1.8em 0 .5em}
.doc p,.doc li{text-align:justify}.eyebrow{font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--teal);margin:0}
.doc-meta{background:var(--mist);border-radius:8px;padding:12px 14px;font-size:14px;color:var(--soft)}
.doc hr{border:0;border-top:1px solid var(--line);margin:48px 0}
footer{border-top:1px solid var(--line);color:var(--soft);font-size:14px}footer .in{padding-block:24px;display:flex;flex-wrap:wrap;gap:8px 20px}
footer a{color:var(--soft)}
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center;padding-block:48px 24px}
.hero h1{font-size:42px;line-height:1.1;margin:0 0 12px;color:var(--pine)}.hero p{font-size:18px;color:var(--soft);margin:0 0 20px}
.nut{display:inline-block;background:#2C3A3E;color:#fff;border-radius:12px;padding:12px 18px;font-weight:700;text-decoration:none;margin:4px 8px 4px 0}
.nut.tat{background:var(--mist);color:var(--soft);cursor:default}
.dt{border-radius:28px;overflow:hidden;box-shadow:0 10px 30px rgba(20,30,32,.25);border:8px solid #141c1e;max-width:280px;margin-inline:auto}
.luoi{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding-block:24px}
.the{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px}.the h3{margin:0 0 6px;font-size:17px;color:var(--pine)}.the p{margin:0;color:var(--soft);font-size:15px}
.anh{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding-block:24px}.anh img{border-radius:16px;border:1px solid var(--line)}
.vi{background:var(--mist)}.vi .in{padding-block:32px}
.nho{font-size:13px;color:var(--soft)}
@media (max-width:720px){.hero,.luoi,.anh{grid-template-columns:1fr}.hero h1{font-size:34px}.anh img{max-width:320px;margin-inline:auto}}