:root{color:#172033;background:#f3f6fb;font-family:Inter,Noto Sans JP,system-ui,sans-serif;line-height:1.5;--ink: #172033;--muted: #66758a;--line: #dbe4ef;--blue: #1457d9;--blue-dark: #15366f;--green: #19764e;--red: #b23d32;--paper: #ffffff}*{box-sizing:border-box}body{margin:0;min-width:320px;overflow-x:hidden;background:radial-gradient(circle at top left,rgba(20,87,217,.12),transparent 30rem),linear-gradient(180deg,#f8fbff,#eef3f9)}button,input,select{font:inherit}.app-shell{width:min(1220px,calc(100% - 32px));margin:0 auto;padding:28px 0 44px}.product-header{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:end;padding:28px 30px;border:1px solid rgba(20,87,217,.18);border-radius:6px;color:#fff;background:linear-gradient(135deg,#10234afa,#163a7af5 58%,#1257d9e6),#10234a;box-shadow:0 22px 70px #163a7a2e}.eyebrow{margin:0 0 8px;color:var(--blue);font-size:.74rem;font-weight:900;letter-spacing:.14em;text-transform:uppercase}.product-header .eyebrow{color:#9cc8ff}h1,h2,h3,p{margin-top:0}h1{margin-bottom:8px;font-size:clamp(2rem,4.6vw,3.2rem);line-height:1.08;letter-spacing:0}h2{margin-bottom:0;color:var(--ink);font-size:clamp(1.35rem,2.2vw,1.8rem);letter-spacing:0}h3{margin:0 0 14px;color:var(--ink);font-size:1rem}.lead{max-width:680px;margin-bottom:0;color:#ffffffc7;font-size:clamp(.98rem,1.4vw,1.08rem);font-weight:700}.summary-strip{display:grid;grid-template-columns:repeat(3,minmax(92px,1fr));gap:8px;width:100%}.summary-strip span{display:grid;gap:3px;min-height:62px;padding:10px 12px;border:1px solid rgba(255,255,255,.16);background:#ffffff17;color:#ffffffbd;font-size:.78rem;font-weight:900}.summary-strip strong{color:#fff;font-size:1.45rem;line-height:1}.workspace-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:22px;margin-top:22px}.right-stack{display:grid;gap:18px;align-content:start}.panel{border:1px solid var(--line);border-radius:6px;background:#fffffff5;box-shadow:0 18px 46px #1c2e4a17}.form-panel,.board-panel,.review-panel,.suggestion-panel{padding:clamp(22px,2.6vw,30px)}.panel-heading{display:flex;gap:16px;align-items:flex-start;justify-content:space-between;margin-bottom:22px;padding-bottom:17px;border-bottom:1px solid var(--line)}.panel-heading.compact{margin-bottom:16px}.state-badge,.count-badge,.status-pill,.legend{display:inline-flex;align-items:center;justify-content:center;min-height:30px;padding:0 10px;border:1px solid #cbd7e6;background:#f6f9fc;color:#64748b;font-size:.78rem;font-weight:900;white-space:nowrap}.state-badge.ready,.count-badge{border-color:#b8d2f5;background:#edf5ff;color:var(--blue-dark)}.form-section+.form-section{margin-top:24px;padding-top:22px;border-top:1px solid var(--line)}.field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.customer-grid{margin-bottom:12px}.wide-field{max-width:none}label{display:grid;gap:7px;color:#2c3748;font-size:.88rem;font-weight:900}input,select{width:100%;min-height:48px;padding:0 13px;border:1px solid #c8d4e3;border-radius:4px;color:var(--ink);background:#fff}input::placeholder{color:#9aa8b8}input:focus-visible,select:focus-visible,button:focus-visible{outline:3px solid rgba(20,87,217,.2);outline-offset:2px}.section-title-row,.choice-card-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.choice-list{display:grid;gap:14px}.choice-card{display:grid;gap:14px;min-width:0;margin:0;padding:16px;border:1px solid #d7e1ed;border-left:4px solid #9aa9ba;border-radius:5px;background:linear-gradient(180deg,#fff,#f8fbff)}.choice-card.available{border-left-color:var(--green)}.choice-card.reserved,.choice-card.duplicate{border-left-color:var(--red)}legend{padding:0 8px;color:var(--blue-dark);font-weight:900}.choice-number{color:#9aa9ba;font-weight:900;letter-spacing:.08em}.status-pill.pending{border-color:#d2dce8;background:#f5f8fb;color:#64748b}.status-pill.available,.legend.available{border-color:#b8e0ca;background:#edf9f2;color:var(--green)}.status-pill.reserved,.status-pill.duplicate,.legend.reserved{border-color:#f1c3bc;background:#fff1ee;color:var(--red)}.legend.selected{border-color:#b8d2f5;background:#edf5ff;color:var(--blue-dark)}.slot-status,.message{margin-bottom:0;padding:11px 12px;border:1px solid transparent;border-radius:4px;font-size:.9rem;font-weight:800}.slot-status.pending,.message.info{border-color:#d7e1ed;background:#f7f9fc;color:#536173}.slot-status.available,.message.success{border-color:#b8e0ca;background:#edf9f2;color:var(--green)}.slot-status.reserved,.slot-status.duplicate,.message.error{border-color:#f1c3bc;background:#fff1ee;color:var(--red)}.text-button{width:fit-content;min-height:0;padding:0;border:0;color:#6c7b8c;background:transparent;font-size:.84rem;font-weight:900;cursor:pointer}.form-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}.primary-button,.ghost-button{min-height:50px;padding:0 20px;border:1px solid transparent;border-radius:4px;font-weight:900;cursor:pointer;transition:transform .16s ease,box-shadow .16s ease}.primary-button{color:#fff;background:linear-gradient(135deg,#153778,#1457d9);box-shadow:0 12px 24px #1457d938}.ghost-button{border-color:#b8c7d8;color:var(--blue-dark);background:#fff}.primary-button:not(:disabled):hover,.ghost-button:not(:disabled):hover{transform:translateY(-1px);box-shadow:0 12px 22px #1c2e4a1f}.ghost-button:disabled{cursor:not-allowed;opacity:.45}.message{margin-top:16px}.legend-row{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:7px}.suggestion-panel{background:linear-gradient(135deg,rgba(20,87,217,.06),transparent 46%),#fffffff5}.suggestion-card{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px;align-items:center;padding:16px;border:1px solid #c8daf2;border-radius:5px;background:#fff}.suggestion-card.empty{grid-template-columns:1fr;background:#f7f9fc}.suggestion-label{margin-bottom:7px;color:var(--blue);font-size:.76rem;font-weight:900;letter-spacing:.08em}.suggested-time{display:flex;flex-wrap:wrap;gap:8px;align-items:baseline;margin-bottom:7px;color:var(--ink);font-weight:900}.suggested-time strong{color:var(--blue-dark);font-size:clamp(1.35rem,2.2vw,1.75rem);line-height:1}.suggested-time span{color:var(--ink);font-size:1.15rem}.suggestion-copy{margin-bottom:0;color:var(--muted);font-size:.88rem;font-weight:800}.suggestion-button{min-height:44px;padding:0 15px;border:1px solid #1457d9;border-radius:4px;color:#fff;background:#1457d9;font-size:.86rem;font-weight:900;cursor:pointer;white-space:nowrap}.schedule-board{display:grid;grid-template-columns:72px repeat(var(--date-count),minmax(92px,1fr));overflow:hidden;border:1px solid var(--line);border-radius:5px}.board-cell,.slot-button{min-height:68px;border:0;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.board-cell{display:grid;place-items:center;background:#f7f9fc;color:#64748b;font-weight:900}.board-date{gap:2px}.board-date strong{color:var(--ink);font-size:1rem}.board-date span{color:var(--muted);font-size:.78rem}.board-time{color:var(--blue-dark);font-size:.95rem}.slot-button{display:grid;gap:4px;align-content:center;padding:10px;background:#edf9f2;color:var(--green);cursor:pointer}.slot-button span{font-weight:900}.slot-button small{color:inherit;font-size:.72rem;font-weight:800;opacity:.82}.slot-button.selected{background:#edf5ff;color:var(--blue-dark)}.slot-button.reserved{background:#fff1ee;color:var(--red);cursor:not-allowed}.check-list{display:grid;gap:10px;margin:0;padding:0;list-style:none}.check-list li{position:relative;padding:12px 12px 12px 34px;border:1px solid #d7e1ed;background:#f8fbff;color:var(--muted);font-weight:900}.check-list li:before{position:absolute;top:50%;left:12px;width:10px;height:10px;background:#a7b4c5;content:"";transform:translateY(-50%)}.check-list li.done{border-color:#b8e0ca;background:#edf9f2;color:var(--green)}.check-list li.done:before{background:var(--green)}.check-list li.alert{border-color:#f1c3bc;background:#fff1ee;color:var(--red)}.mail-preview{display:grid;gap:12px;margin-top:16px;padding:16px;border:1px solid #d7e1ed;border-radius:5px;background:#fff}.mail-preview-head{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center;justify-content:space-between}.mail-preview-head span{color:var(--blue);font-size:.78rem;font-weight:900;letter-spacing:.08em}.mail-preview-head strong{color:var(--ink);font-size:1rem}.mail-subject{margin-bottom:0;padding:10px 12px;border:1px solid #dbe4ef;background:#f7f9fc;color:var(--blue-dark);font-size:.88rem;font-weight:900}.mail-body{display:grid;gap:10px;color:#38445a;font-size:.9rem;font-weight:800}.mail-body p{margin-bottom:0}.mail-body dl{display:grid;gap:8px;margin:0}.mail-body dl div{display:grid;grid-template-columns:82px minmax(0,1fr);gap:10px;padding:9px 10px;background:#f8fbff}.mail-body dt{color:var(--muted)}.mail-body dd{margin:0;color:var(--ink)}.confirmation-card{margin-top:16px;padding:16px;border:1px solid #b8d2f5;border-radius:5px;background:#edf5ff}.confirmation-card span{color:var(--blue);font-size:.78rem;font-weight:900;letter-spacing:.1em}.confirmation-card strong{display:block;margin-top:5px;color:var(--ink);font-size:1.5rem}.confirmation-card p{margin:6px 0 10px;color:var(--muted);font-weight:800}.confirmation-card ul{display:grid;gap:4px;margin:0;padding-left:18px;color:var(--blue-dark);font-weight:900}@media(max-width:980px){.app-shell{width:min(760px,calc(100vw - 32px));padding:20px 0 28px}.product-header,.workspace-grid{grid-template-columns:1fr}.product-header>*,.workspace-grid>*,.panel{min-width:0}.summary-strip{grid-template-columns:repeat(3,minmax(0,1fr))}.lead{max-width:100%;overflow-wrap:anywhere}.field-grid,.customer-grid{grid-template-columns:1fr}}@media(max-width:620px){.app-shell{width:auto;margin:0 20px}.product-header,.form-panel,.board-panel,.review-panel,.suggestion-panel{padding:22px}h1{font-size:clamp(1.8rem,8vw,2.3rem)}.summary-strip{grid-template-columns:repeat(2,minmax(0,1fr))}.summary-strip span{min-width:0;padding:10px}.panel-heading,.section-title-row{align-items:flex-start;flex-direction:column}.legend-row{justify-content:flex-start}.suggestion-card{grid-template-columns:1fr}.suggestion-button{width:100%}.form-actions{display:grid}.primary-button,.ghost-button{width:100%}.schedule-board{grid-template-columns:58px repeat(var(--date-count),minmax(78px,1fr));overflow-x:auto}.board-cell,.slot-button{min-height:62px}.slot-button{padding:8px 6px}}@media(max-width:360px){.app-shell{margin:0 12px}}