:root{--bg:#faf7f2;--ink:#26221d;--muted:#6f675c;--line:#e3ddd2;--navy:#1f3350;--orange:#e86a17;--paper:#fffefb}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;line-height:1.8}
a{color:inherit;text-underline-offset:4px}
button{cursor:pointer;font:inherit}
button:focus-visible,a:focus-visible{outline:3px solid var(--orange);outline-offset:3px}
.wrap{max-width:1100px;margin:auto;padding:0 24px}
header{border-bottom:1px solid var(--line)}
.top{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:84px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-size:20px;font-weight:800;letter-spacing:.04em}
.brand small{display:block;font-size:10px;letter-spacing:2px;font-weight:500;color:var(--muted)}
.mark{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--navy);color:#fff;font-size:20px}
.nav{display:flex;gap:26px;align-items:center;font-size:13px}
.pill{padding:8px 17px;border:1px solid var(--navy);border-radius:40px;text-decoration:none}
.eyebrow{font-size:11px;font-weight:bold;letter-spacing:3px;color:var(--orange)}
.hero{padding:56px 0 44px}
.hero h1{font-size:clamp(28px,4vw,42px);line-height:1.5;margin:14px 0 18px}
.hero p{font-size:14px;color:var(--muted);max-width:560px}
.notice{font-size:12px;color:var(--muted);border-top:1px solid var(--line);padding:14px 0}
.catalog{background:var(--paper);border-top:1px solid var(--line);padding:42px 0 60px}
.section-title{display:flex;align-items:baseline;justify-content:space-between;gap:15px}
.section-title h2{font-size:24px;margin:0}
.section-title span{font-size:11px;color:var(--muted);letter-spacing:2px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 24px}
.chip{border:1px solid var(--line);background:#fff;border-radius:40px;padding:6px 16px;font-size:13px}
.chip[aria-pressed="true"]{background:var(--navy);color:#fff;border-color:var(--navy)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px}
.card{border:1px solid var(--line);border-radius:14px;background:#fff;padding:18px;text-decoration:none;display:block}
.card h3{margin:6px 0 8px;font-size:17px;line-height:1.5}
.card p{margin:0;font-size:13px;color:var(--muted)}
.card .tags{font-size:11px;letter-spacing:1px;color:var(--orange);font-weight:bold}
.empty{border:1px dashed var(--line);border-radius:14px;padding:34px 22px;text-align:center;color:var(--muted);font-size:14px;background:#fff}
.article{padding:40px 0 60px}
.article h1{font-size:clamp(24px,3.4vw,34px);line-height:1.5;margin:10px 0 14px}
.article h2{font-size:20px;margin:34px 0 10px;border-left:4px solid var(--orange);padding-left:10px}
.meta{font-size:12px;color:var(--muted);letter-spacing:1px}
.decklist{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px}
.decklist ul{margin:6px 0;padding-left:20px}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin:14px 0}
.btn{border:1px solid var(--navy);background:var(--navy);color:#fff;border-radius:40px;padding:8px 18px;font-size:13px}
.btn.sub{background:#fff;color:var(--navy)}
.shop-guide{border:1px solid var(--line);border-radius:14px;background:#fff;padding:18px 20px;margin-top:36px;font-size:14px}
footer{border-top:1px solid var(--line);padding:22px 0 34px;font-size:12px;color:var(--muted)}
footer .links{display:flex;gap:20px;flex-wrap:wrap;margin-bottom:8px}
@media (max-width:640px){.top{min-height:70px}.nav{gap:14px}.hero{padding:40px 0 32px}}