:root{--navy:#1b3557;--blue:#2a6db5;--blue-soft:#e8f0fa;--text:#1d2733;--muted:#5b6878;--line:#d5dde7;--bg:#f6f8fb;--card:#ffffff;--danger:#b3261e;--danger-soft:#fdecea;--ok:#1e6b45;--ok-soft:#e7f4ec;--radius:12px}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:Hiragino Sans,Hiragino Kaku Gothic ProN,Noto Sans JP,Yu Gothic,system-ui,sans-serif;font-size:16px;line-height:1.75}.header{background:var(--navy);color:#fff;padding:14px 16px}.header-inner{max-width:640px;margin:0 auto;display:flex;align-items:baseline;gap:10px}.brand{font-weight:700;letter-spacing:.08em;font-size:18px}.brand-sub{font-size:12px;opacity:.85}main{max-width:640px;margin:0 auto;padding:20px 16px 48px}h1{font-size:22px;line-height:1.5;margin:4px 0 12px}h1,h2{color:var(--navy)}h2{font-size:18px;margin:0 0 8px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 16px;margin-bottom:16px}.facts{display:grid;grid-template-columns:auto 1fr;grid-gap:4px 14px;gap:4px 14px;margin:0}.facts dt{color:var(--muted);font-size:14px}.facts dd{margin:0;font-weight:600}.note{font-size:14px;color:var(--muted)}.public-note{white-space:pre-wrap;font-size:14px;background:var(--blue-soft);border-radius:8px;padding:10px 12px;margin:8px 0 0}fieldset{border:0;padding:0;margin:0 0 16px}legend{font-weight:700;color:var(--navy);margin-bottom:8px;padding:0}.slot-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(92px,1fr));grid-gap:8px;gap:8px}.slot-option{position:relative}.slot-option input{position:absolute;opacity:0;width:100%;height:100%;margin:0;cursor:pointer}.slot-option span{display:block;text-align:center;padding:10px 4px;border:1.5px solid var(--line);border-radius:8px;background:#fff;font-weight:600;min-height:44px}.slot-option input:checked+span{border-color:var(--blue);background:var(--blue);color:#fff}.slot-option input:focus-visible+span{outline:3px solid #9cc1ea;outline-offset:2px}label.field{display:block;margin-bottom:14px}label.field>span{display:block;font-weight:600;margin-bottom:4px}input[type=email],input[type=text]{width:100%;font-size:16px;padding:12px;border:1.5px solid var(--line);border-radius:8px;background:#fff}input[type=email]:focus,input[type=text]:focus{outline:3px solid #9cc1ea;border-color:var(--blue)}.check{display:flex;gap:10px;align-items:flex-start;margin:8px 0 18px}.check input{width:22px;height:22px;margin-top:3px;flex:none}.btn{display:block;width:100%;border:0;border-radius:10px;background:var(--blue);color:#fff;font-size:17px;font-weight:700;padding:14px 16px;cursor:pointer;min-height:52px}.btn:disabled{opacity:.6;cursor:progress}.btn-secondary{background:#fff;color:var(--blue);border:1.5px solid var(--blue)}.alert{border-radius:8px;padding:12px 14px;margin-bottom:14px;font-size:15px}.alert-error{background:var(--danger-soft);color:var(--danger)}.alert-ok{background:var(--ok-soft);color:var(--ok)}.alert-info{background:var(--blue-soft);color:var(--navy)}.hp{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}footer{text-align:center;font-size:12px;color:var(--muted);padding:24px 16px}a{color:var(--blue)}.btn-danger-outline{background:#fff;color:var(--danger);border:1.5px solid var(--danger)}code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.92em}main:has(.admin){max-width:1100px}.admin h1{font-size:20px}.admin-nav{display:flex;flex-wrap:wrap;gap:6px 16px;align-items:center;margin-bottom:16px;padding-bottom:10px;border-bottom:1px solid var(--line);font-size:14px}.admin-nav a{text-decoration:none;font-weight:600}.admin-logout{margin-left:auto;display:flex;gap:8px;align-items:center}.link-btn{background:none;border:0;color:var(--blue);cursor:pointer;font-size:14px;padding:0;text-decoration:underline}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:14px}td,th{text-align:left;padding:8px 6px;border-bottom:1px solid var(--line);vertical-align:top}th{font-weight:600}.badge,th{color:var(--muted);white-space:nowrap}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:700;background:#eef1f5}.badge-accepting{background:var(--blue-soft);color:var(--blue)}.badge-closed_accepting{background:#fff4e0;color:#8a5a00}.badge-confirmed{background:var(--ok-soft);color:var(--ok)}.badge-cancelled{background:var(--danger-soft);color:var(--danger)}.ok-text{color:var(--ok)}.action-row{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-top:8px}.action-row form{margin:0}.inline-form{display:flex;flex-wrap:wrap;gap:6px;align-items:center}.inline-form input[type=time],.inline-form select{padding:6px;border:1.5px solid var(--line);border-radius:6px;font-size:14px}.btn-small{border:1.5px solid var(--blue);background:#fff;color:var(--blue);border-radius:6px;padding:6px 10px;font-size:13px;font-weight:700;cursor:pointer;min-height:36px}.btn-small:disabled{opacity:.6}.btn-primary{background:var(--blue);color:#fff}.btn-danger{border-color:var(--danger);color:var(--danger)}.grid-form{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));grid-gap:0 12px;gap:0 12px}.grid-form .wide{grid-column:1/-1}.admin input[type=date],.admin input[type=number],.admin input[type=password],.admin input[type=time],.admin select,.admin textarea{width:100%;font-size:16px;padding:10px;border:1.5px solid var(--line);border-radius:8px;background:#fff;font-family:inherit}.admin .inline-form input[type=time],.admin .inline-form select{width:auto}body:has(.admin) .header-inner{max-width:1100px}.policy h2{margin-top:20px}.policy ul{padding-left:1.4em}.policy li{margin:2px 0}.date-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));grid-gap:8px;gap:8px}.chip-row{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0}.chip{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;background:#e8eef6;color:var(--navy);font-size:14px}.chip button{border:0;background:none;cursor:pointer;font-size:16px;line-height:1;color:inherit;padding:0 2px}