:root{--bg:#f5f3ec;--surface:#fff;--text:#1a1f1c;--muted:#4a524d;--line:#d9d5c9;--accent:#1f5c4a;--accent-dark:#143d31;--alert:#b23a1a;--warn-bg:#fdf3e6;--ok-bg:#e9f2ee;--radius:12px;--font:"Noto Sans JP", system-ui, sans-serif;--font-serif:"Noto Serif JP", serif}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased;overflow-wrap:anywhere;margin:0;line-height:1.8}h1,h2,h3{word-break:auto-phrase;text-wrap:balance;line-height:1.4}p{line-break:strict;word-break:auto-phrase}a{color:var(--accent)}a:hover{color:var(--accent-dark)}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:2px}img{max-width:100%;height:auto}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}.btn{border:1px solid var(--accent);background:var(--accent);color:#fff;min-height:44px;font:inherit;cursor:pointer;border-radius:999px;justify-content:center;align-items:center;gap:8px;padding:10px 20px;font-weight:700;text-decoration:none;display:inline-flex}.btn:hover{background:var(--accent-dark);color:#fff}.btn[disabled]{opacity:.5;cursor:not-allowed}.btn-ghost{color:var(--accent);background:0 0}.btn-ghost:hover{background:var(--ok-bg);color:var(--accent-dark)}.btn-danger{color:var(--alert);border-color:var(--alert);background:0 0}.btn-danger:hover{background:var(--warn-bg);color:var(--alert)}.input,.select,.textarea{border:1px solid var(--line);width:100%;min-height:44px;font:inherit;color:inherit;background:#fff;border-radius:8px;padding:8px 12px}.textarea{min-height:120px;font-family:ui-monospace,monospace;font-size:14px}.label{margin-bottom:4px;font-weight:700;display:block}.help{color:var(--muted);font-size:14px}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px}.stack>*+*{margin-top:16px}.row{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.notice{background:var(--ok-bg);border-radius:8px;padding:12px 16px}.notice-error{background:var(--warn-bg);color:var(--alert)}.mono{white-space:pre-wrap;font-family:ui-monospace,monospace;font-size:14px}.table-wrap{overflow-x:auto}.table{border-collapse:collapse;width:100%;font-size:14px}.table th,.table td{text-align:left;border-bottom:1px solid var(--line);vertical-align:top;padding:8px}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.admin{grid-template-columns:240px 1fr;min-height:100vh;display:grid}.admin-nav{background:var(--surface);border-right:1px solid var(--line);padding:16px}.admin-nav a{color:var(--text);border-radius:8px;min-height:40px;padding:8px 12px;text-decoration:none;display:block}.admin-nav a[aria-current=page]{background:var(--ok-bg);color:var(--accent-dark);font-weight:700}.admin-main{min-width:0;padding:24px clamp(16px,3vw,40px)}@media (max-width:860px){.admin{grid-template-columns:1fr}.admin-nav{border-right:0;border-bottom:1px solid var(--line);flex-wrap:wrap;gap:4px;display:flex}}