:root{--ink: #1a2233;--ink-2: #55617a;--line: #dde3ee;--bg: #f5f7fb;--card: #ffffff;--brand: #2456e6;--brand-ink: #ffffff;--ok: #0f9d58;--warn: #b3261e;--radius: 10px}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:Hiragino Sans,Noto Sans JP,system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}.shell{max-width:560px;margin:0 auto;padding:24px 16px 64px}.shell--wide{max-width:760px}.brand{display:flex;align-items:baseline;gap:8px;padding:8px 0 24px}.brand__name{font-size:18px;font-weight:700;letter-spacing:.02em}.brand__sub{font-size:12px;color:var(--ink-2)}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px}.card+.card{margin-top:16px}.card h1{font-size:20px;margin:0 0 20px}.card h2{font-size:16px;margin:0 0 12px}.field{margin-bottom:16px}.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px}.field input[type=text],.field input[type=email],.field input[type=password]{width:100%;padding:10px 12px;font-size:16px;border:1px solid var(--line);border-radius:8px;background:#fff}.field input:focus{outline:2px solid var(--brand);outline-offset:0;border-color:var(--brand)}.field .hint{font-size:12px;color:var(--ink-2);margin-top:4px}.field .hint--ok{color:var(--ok)}.field .hint--ng{color:var(--warn)}.subdomain-row{display:flex;align-items:center;gap:6px}.subdomain-row input{flex:1}.subdomain-row .suffix{color:var(--ink-2);font-size:15px;white-space:nowrap}.btn{display:inline-block;width:100%;padding:12px 16px;font-size:15px;font-weight:700;color:var(--brand-ink);background:var(--brand);border:none;border-radius:8px;cursor:pointer}.btn:hover{filter:brightness(1.08)}.btn:disabled{opacity:.5;cursor:default}.btn--ghost{background:#fff;color:var(--brand);border:1px solid var(--brand)}.alert{padding:10px 14px;border-radius:8px;font-size:13px;margin-bottom:16px}.alert--error{background:#fdecea;color:var(--warn)}.alert--info{background:#e8f0fe;color:#1a4bd8}.alert--warn{background:#fff4e5;color:#8a5300}.links{margin-top:16px;font-size:13px;text-align:center}.links span{color:var(--line);margin:0 8px}.plan-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px}@media(max-width:480px){.plan-grid{grid-template-columns:1fr}}.plan{border:1.5px solid var(--line);border-radius:var(--radius);padding:16px;cursor:pointer;background:#fff}.plan--active{border-color:var(--brand);background:#f4f7ff}.plan__name{font-weight:700}.plan__price{font-size:22px;font-weight:700;margin:4px 0}.plan__price small{font-size:12px;font-weight:400;color:var(--ink-2)}.plan__desc{font-size:12px;color:var(--ink-2)}.checkrow{display:flex;gap:10px;align-items:flex-start;font-size:13px;margin:16px 0}.checkrow input{margin-top:4px}.tenant-list{display:flex;flex-direction:column;gap:12px}.tenant{display:flex;justify-content:space-between;align-items:center;gap:12px;border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;background:#fff}.tenant__domain{font-weight:700}.tenant__meta{font-size:12px;color:var(--ink-2)}.badge{display:inline-block;font-size:11px;font-weight:700;padding:2px 8px;border-radius:99px;background:var(--line);color:var(--ink-2)}.badge--ok{background:#e6f4ea;color:var(--ok)}.badge--warn{background:#fff4e5;color:#8a5300}.badge--ng{background:#fdecea;color:var(--warn)}.progress{margin:24px 0}.progress__bar{height:8px;border-radius:99px;background:var(--line);overflow:hidden}.progress__fill{height:100%;background:var(--brand);transition:width .6s}.progress__label{font-size:13px;color:var(--ink-2);margin-top:8px;text-align:center}.footer{margin-top:40px;font-size:11px;color:var(--ink-2);text-align:center}