:root{--navy:#1d3557;--navy-2:#2b5580;--accent:#0f766e;--accent-d:#0b5a54;--ink:#1b2230;--muted:#5c6678;--line:#e2e8f0;--bg:#f5f7fa;--card:#fff;--warn-bg:#fff6e9;--warn-line:#f1c27a;--alert-bg:#fdecea;--alert-line:#e8543f;--alert-ink:#a3271a;--ok-bg:#eafaf1;--ok-line:#a7dcbf;--ok-ink:#1a7a45}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Hiragino Kaku Gothic ProN,Hiragino Sans,Noto Sans JP,Meiryo,sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}.wrap{max-width:960px;margin:0 auto;padding:0 20px}.hero{background:linear-gradient(135deg,var(--navy) 0,var(--navy-2) 100%);color:#fff;padding:56px 0 48px}.hero .wrap{max-width:860px}.badge{display:inline-block;background:hsla(0,0%,100%,.16);border:1px solid hsla(0,0%,100%,.35);border-radius:999px;padding:5px 14px;font-size:13px;font-weight:700;margin-bottom:18px}.hero h1{font-size:30px;line-height:1.4;margin:0 0 16px;font-weight:800}.hero p{font-size:16px;opacity:.95;margin:0 0 26px}.hero .pains{display:grid;grid-gap:8px;gap:8px;margin:0 0 28px;padding:0;list-style:none}.hero .pains li{background:hsla(0,0%,100%,.1);border-radius:10px;padding:10px 14px;font-size:14.5px}@media (min-width:640px){.hero h1{font-size:36px}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;border-radius:10px;padding:14px 26px;font-size:16px;font-weight:700;cursor:pointer;transition:transform .05s ease,background .15s ease;text-decoration:none;font-family:inherit}.btn:active{transform:translateY(1px)}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-d)}.btn-primary:disabled{background:#c9ccd1;cursor:not-allowed}.btn-hero{background:#fff;color:var(--navy)}.btn-hero:hover{background:#eaf1f6}.btn-ghost{background:#e7eef3;color:var(--navy)}.btn-ghost:hover{background:#d8e3eb}.btn-sm{padding:8px 14px;font-size:13px;border-radius:8px}section{padding:40px 0}h2.sec{font-size:22px;color:var(--navy);margin:0 0 20px}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:0 1px 2px rgba(29,53,87,.05)}.card+.card{margin-top:16px}.grid2{display:grid;grid-gap:16px;gap:16px}@media (min-width:640px){.grid2{grid-template-columns:1fr 1fr}}.field{margin-bottom:16px}.label{display:block;font-weight:700;font-size:14px;margin:0 0 6px;color:var(--navy)}.req{color:var(--accent-d);font-size:12px;margin-left:4px}.hint{font-size:12.5px;color:var(--muted);margin:4px 0 0}input[type=email],input[type=number],input[type=text],select,textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 13px;font-size:15px;font-family:inherit;color:var(--ink);background:#fff}textarea{resize:vertical;min-height:68px}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--navy-2);box-shadow:0 0 0 3px rgba(15,118,110,.16)}.seg{display:flex;gap:6px;flex-wrap:wrap}.seg label{flex:1 1 auto;min-width:90px;text-align:center;border:1px solid var(--line);border-radius:8px;padding:9px 8px;font-size:13px;font-weight:700;cursor:pointer;background:#fff;color:var(--muted);-webkit-user-select:none;-moz-user-select:none;user-select:none}.seg label.on{background:var(--navy);border-color:var(--navy);color:#fff}.seg input{position:absolute;opacity:0;width:0;height:0}.notice{background:var(--warn-bg);border:1px solid var(--warn-line);border-radius:10px;color:#7a5418}.alert,.notice{padding:14px 16px;font-size:13.5px}.alert{background:var(--alert-bg);border:1px solid var(--alert-line);border-radius:10px;color:var(--alert-ink)}.ok{background:var(--ok-bg);border:1px solid var(--ok-line);border-radius:10px;padding:14px 16px;font-size:13.5px;color:var(--ok-ink)}.quota{display:grid;grid-gap:12px;gap:12px;grid-template-columns:repeat(2,1fr)}@media (min-width:640px){.quota{grid-template-columns:repeat(4,1fr)}}.quota .cell{background:#fbfcfe;border:1px solid var(--line);border-radius:10px;padding:14px;text-align:center}.quota .cell .n{font-size:24px;font-weight:800;color:var(--navy)}.quota .cell .k{font-size:12px;color:var(--muted);margin-top:2px}.cat{display:inline-block;border-radius:999px;font-size:11px;font-weight:700;padding:2px 9px;margin-left:8px;vertical-align:middle;white-space:nowrap;background:#eef6fa;color:#14607f;border:1px solid #a8cfe0}.doc-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.doc-body{white-space:pre-wrap;font-family:SFMono-Regular,ui-monospace,Menlo,Consolas,monospace;font-size:12.5px;line-height:1.8;background:#fbfcfe;border:1px solid var(--line);border-radius:10px;padding:16px;max-height:340px;overflow:auto;margin-top:12px}.muted{color:var(--muted)}.small{font-size:13px}.center{text-align:center}ul.clean{margin:0;padding-left:20px}ul.clean li{margin-bottom:6px;font-size:14px}.footer{padding:30px 0 50px;color:var(--muted);font-size:12.5px}.backend{display:grid;grid-gap:12px;gap:12px}@media (min-width:640px){.backend{grid-template-columns:1fr 1fr}}.backend a{display:block;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;text-decoration:none;color:var(--ink);transition:border-color .15s ease}.backend a:hover{border-color:var(--navy-2)}.backend a b{color:var(--navy);display:block;margin-bottom:4px}