:root{
    --bg:#f4f6f9;
    --card:#ffffff;
    --ink:#1f2933;
    --muted:#6b7684;
    --line:#e2e8f0;
    --primary:#2563eb;
    --primary-dark:#1d4ed8;
    --danger:#dc2626;
    --ok:#16a34a;
    --warn:#d97706;
    --radius:12px;
    --shadow:0 1px 3px rgba(0,0,0,.08),0 1px 2px rgba(0,0,0,.04);
}
*{box-sizing:border-box}
body{
    margin:0;font-family:"Hiragino Kaku Gothic ProN","Yu Gothic UI","Meiryo",system-ui,sans-serif;
    background:var(--bg);color:var(--ink);line-height:1.6;
}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}

/* ---- topbar ---- */
.topbar{background:#111827;color:#fff;position:relative;z-index:100}
.topbar-inner{max-width:1100px;margin:0 auto;display:flex;align-items:center;gap:16px;padding:0 20px;height:56px}
.brand{color:#fff;font-weight:700;font-size:18px}
.brand:hover{text-decoration:none}
.mainnav{display:flex;gap:4px;flex:1;flex-wrap:wrap;align-items:center}
.mainnav a{color:#cbd5e1;padding:6px 10px;border-radius:8px;font-size:14px}
.mainnav a:hover{background:#1f2937;color:#fff;text-decoration:none}
.mainnav a.active{color:#fcd34d;background:#1f2937}
.mainnav a.active:hover{color:#fcd34d}
.topbar-right{display:flex;align-items:center;gap:12px}
.whoami{font-size:13px;color:#cbd5e1}

/* ---- nav dropdown groups ---- */
.navgroup{position:relative;display:inline-block}
.navgroup-btn{background:none;border:none;color:#cbd5e1;font:inherit;font-size:14px;padding:6px 10px;border-radius:8px;cursor:pointer;display:inline-flex;align-items:center;gap:4px}
.navgroup-btn:hover{background:#1f2937;color:#fff}
.navgroup.active>.navgroup-btn{color:#fcd34d;background:#1f2937}
.navgroup .caret{font-size:10px;opacity:.8;transition:transform .15s}
.navgroup.open>.navgroup-btn .caret{transform:rotate(180deg)}
/* ボタンとメニューの隙間でホバーが切れないよう橋渡し（透明領域） */
.navgroup::after{content:"";position:absolute;left:0;right:0;top:100%;height:8px;display:none}
.navgroup:hover::after{display:block}
.navgroup-menu{display:none;position:absolute;top:calc(100% + 6px);left:0;min-width:180px;background:#111827;border:1px solid #263143;border-radius:10px;padding:6px;box-shadow:0 8px 24px rgba(0,0,0,.35)}
.navgroup-menu-right{left:auto;right:0}
.navgroup.open>.navgroup-menu{display:block}
.navgroup-menu a{display:block;color:#cbd5e1;padding:9px 12px;border-radius:6px;font-size:14px;white-space:nowrap}
.navgroup-menu a:hover{background:#1f2937;color:#fff;text-decoration:none}
.navgroup-menu a.active{color:#fcd34d;background:#1f2937}
@media(min-width:821px){
    /* デスクトップはホバーでも開く */
    .navgroup:hover>.navgroup-menu{display:block}
}

/* ---- mobile hamburger ---- */
.nav-burger{display:none;flex-direction:column;justify-content:center;gap:5px;margin-left:auto;padding:8px;cursor:pointer;border-radius:8px}
.nav-burger span{display:block;width:24px;height:2px;background:#fff;border-radius:2px;transition:.2s}
.nav-toggle:checked ~ .nav-burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle:checked ~ .nav-burger span:nth-child(2){opacity:0}
.nav-toggle:checked ~ .nav-burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media(max-width:820px){
    .topbar-inner{flex-wrap:wrap;height:auto;min-height:56px;gap:0;padding:8px 16px}
    .brand{display:flex;align-items:center;min-height:40px}
    .nav-burger{display:flex}
    .mainnav{display:none;flex-basis:100%;flex-direction:column;gap:0;margin-top:8px}
    .nav-toggle:checked ~ .mainnav{display:flex}
    .mainnav a{width:100%;padding:13px 10px;border-radius:0;border-bottom:1px solid #1f2937;font-size:15px}
    .mainnav a.active{background:#1f2937}
    .topbar-right{display:none;flex-basis:100%;margin-top:8px;padding-top:10px;border-top:1px solid #374151}
    .nav-toggle:checked ~ .topbar-right{display:block}
    .topbar-right .btn{padding:10px 16px}

    /* ドロップダウンはモバイルではアコーディオン表示 */
    .navgroup{display:block;width:100%}
    .navgroup-btn{display:flex;width:100%;justify-content:space-between;padding:13px 10px;border-bottom:1px solid #1f2937;border-radius:0;font-size:15px}
    .navgroup-menu,.navgroup-menu-right{position:static;display:none;min-width:0;border:none;border-radius:0;box-shadow:none;padding:0;background:transparent}
    .navgroup.open>.navgroup-menu{display:block}
    .navgroup-menu a{padding:12px 10px 12px 26px;border-bottom:1px solid #1f2937;border-radius:0}
    .usergroup{width:100%}
}

/* ---- layout ---- */
.container{max-width:1100px;margin:24px auto;padding:0 20px}
.site-footer{max-width:1100px;margin:40px auto;padding:0 20px;color:var(--muted)}
h1{font-size:22px;margin:0 0 20px}
h2{font-size:17px;margin:0 0 14px}
.page-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px;flex-wrap:wrap}
.page-head h1{margin:0}

/* ---- cards ---- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;margin-bottom:20px}
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}

/* ---- stat ---- */
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}
.stat .label{color:var(--muted);font-size:13px}
.stat .value{font-size:26px;font-weight:700;margin-top:4px}
.stat .sub{color:var(--muted);font-size:12px;margin-top:4px}
.stat.accent{background:linear-gradient(135deg,#2563eb,#1d4ed8);color:#fff;border:none}
.stat.accent .label,.stat.accent .sub{color:#dbeafe}

/* ---- forms ---- */
.form-row{margin-bottom:14px}
label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:#374151}
input[type=text],input[type=password],input[type=number],input[type=date],input[type=time],input[type=url],select,textarea{
    width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:8px;font-size:14px;font-family:inherit;background:#fff;
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.15)}
textarea{min-height:80px;resize:vertical}
.form-inline{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;align-items:end}
.radio-row{display:flex;gap:18px;flex-wrap:wrap}
.radio-inline{display:inline-flex;align-items:center;gap:6px;font-weight:400;margin:0;cursor:pointer}
.radio-inline input{width:auto;margin:0}
.channel-picker{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:8px}
.channel-item{display:flex;align-items:center;gap:8px;font-weight:400;margin:0;padding:8px 10px;border:1px solid var(--line);border-radius:8px;cursor:pointer}
.channel-item input{width:auto;margin:0}
.channel-item:hover{background:#f8fafc}
.hint{color:var(--muted);font-size:12px;margin-top:4px}

/* ---- buttons ---- */
.btn{display:inline-block;padding:9px 16px;border-radius:8px;border:1px solid transparent;font-size:14px;font-weight:600;cursor:pointer;background:var(--primary);color:#fff}
.btn:hover{background:var(--primary-dark);text-decoration:none}
.btn-ghost{background:transparent;border-color:#4b5563;color:#e5e7eb}
.btn-ghost:hover{background:#1f2937}
.btn-sm{padding:5px 10px;font-size:12px}
.btn-danger{background:var(--danger)}
.btn-danger:hover{background:#b91c1c}
.btn-secondary{background:#e5e7eb;color:#374151}
.btn-secondary:hover{background:#d1d5db}

/* ---- tables ---- */
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:9px 10px;text-align:left;border-bottom:1px solid var(--line)}
th{background:#f8fafc;color:#475569;font-size:12px;font-weight:600;white-space:nowrap}
tbody tr:hover{background:#f8fafc}
.table-wrap{overflow-x:auto}
/* 列数の多い一覧は最小幅を確保して横スクロール */
.wide-table{min-width:900px}
.wide-table th,.wide-table td{white-space:nowrap}
.wide-table td:nth-child(4){white-space:normal;min-width:120px}

/* ---- badges ---- */
.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:600}
.badge-progress{background:#fef3c7;color:#92400e}
.badge-done{background:#dcfce7;color:#166534}
.badge-admin{background:#ede9fe;color:#5b21b6}
.badge-user{background:#e0f2fe;color:#075985}

/* ---- flash ---- */
.flash{padding:12px 16px;border-radius:8px;margin-bottom:16px;font-size:14px}
.flash-success{background:#dcfce7;color:#166534;border:1px solid #bbf7d0}
.flash-error{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}
.flash-info{background:#dbeafe;color:#1e40af;border:1px solid #bfdbfe}

/* ---- login ---- */
.login-wrap{max-width:380px;margin:8vh auto;padding:0 20px}
.login-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:28px}
.login-card h1{text-align:center;font-size:20px}

/* ---- calendar ---- */
.cal-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.cal-title{font-size:16px;font-weight:700}
.cal-legend{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:12px;font-size:13px;color:var(--muted)}
.cal-legend span{display:inline-flex;align-items:center;gap:6px}
.dot{width:10px;height:10px;border-radius:3px;display:inline-block}
.cal-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.scroll-hint{display:none;color:var(--muted);font-size:12px;text-align:center;margin:0 0 8px}
.cal-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:8px;overflow:hidden}
.cal-head{background:#f8fafc;text-align:center;padding:8px 0;font-size:12px;font-weight:600;color:#475569}
.cal-head.sun{color:#dc2626}.cal-head.sat{color:#2563eb}
.cal-cell{background:#fff;min-height:96px;padding:4px;display:flex;flex-direction:column;min-width:0}
.cal-cell.cal-empty{background:#fbfcfe}
.cal-cell.is-today{background:#eff6ff}
.cal-date{font-size:12px;font-weight:600;color:#475569;margin-bottom:2px;flex-shrink:0}
.cal-date.sun{color:#dc2626}.cal-date.sat{color:#2563eb}
/* 予定が多い日はセル内でスクロールし、行の高さが暴れないようにする */
.cal-events{display:flex;flex-direction:column;gap:2px;max-height:120px;overflow-y:auto}
.cal-events::-webkit-scrollbar{width:6px}
.cal-events::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:3px}
.cal-ev{font-size:11px;line-height:1.3;border-radius:4px;padding:1px 5px;border-left:3px solid;display:flex;justify-content:space-between;gap:4px;white-space:nowrap;overflow:hidden}
.cal-ev-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0;max-width:100%}
.cal-ev-time{color:#475569;flex-shrink:0}
.ev-planned{background:#e0f2fe;border-color:#0ea5e9}
.ev-reported{background:#fef3c7;border-color:#d97706}
.ev-approved{background:#dcfce7;border-color:#16a34a}
/* 無効化ユーザーはステータスに関わらず薄いグレー */
.cal-ev.ev-disabled{background:#f1f5f9;border-color:#cbd5e1;color:#94a3b8}
.cal-ev.ev-disabled .cal-ev-name,.cal-ev.ev-disabled .cal-ev-time{color:#94a3b8}
.week-table tr.wk-disabled .wk-name{color:#94a3b8}
.wk-off{font-size:11px;color:#94a3b8}
.dot.ev-planned{background:#0ea5e9}.dot.ev-reported{background:#d97706}.dot.ev-approved{background:#16a34a}.dot.ev-disabled{background:#cbd5e1}
/* 投稿スケジュール：種別で色分け */
.ev-normal{background:#e0f2fe;border-color:#0ea5e9}
.ev-client{background:#ede9fe;border-color:#8b5cf6}
.ev-deal{background:#dcfce7;border-color:#16a34a}
.dot.ev-normal{background:#0ea5e9}.dot.ev-client{background:#8b5cf6}.dot.ev-deal{background:#16a34a}
a.cal-ev{color:inherit}
a.cal-ev:hover{text-decoration:none;filter:brightness(.95)}
@media(max-width:640px){
    /* 横スクロールで見せるため、潰さず最小幅を確保 */
    .scroll-hint{display:block}
    .cal-grid{min-width:700px}
    .cal-cell{min-height:84px}
    .cal-events{max-height:110px}
}

/* ---- weekly table view ---- */
.week-table{table-layout:fixed}
.week-table th,.week-table td{text-align:center;vertical-align:top;border:1px solid var(--line);padding:6px 4px}
.week-table thead th{background:#f8fafc}
.week-table th.sun,.week-table td.sun .wk-daynum{color:#dc2626}
.week-table th.sat,.week-table td.sat .wk-daynum{color:#2563eb}
.week-table th.is-today,.week-table td.is-today{background:#eff6ff}
.wk-daynum{font-size:12px;color:var(--muted);font-weight:400}
.wk-name{text-align:left !important;white-space:nowrap;position:sticky;left:0;background:#fff;z-index:1;font-weight:600}
.week-table thead .wk-name{background:#f8fafc}
.week-table .cal-ev{justify-content:center}
.wk-empty{color:#cbd5e1}
@media(max-width:640px){
    .week-table{font-size:12px;min-width:720px}
    .week-table .wk-name{min-width:84px}
    .week-table .cal-ev-time{display:inline}
}

.muted{color:var(--muted)}
.right{text-align:right}
.nowrap{white-space:nowrap}
.section-title{display:flex;align-items:center;gap:8px;margin:0 0 14px}
.chart-box{position:relative;height:300px}
.actions{display:flex;gap:8px;flex-wrap:wrap}
.empty{color:var(--muted);text-align:center;padding:30px}

/* ---- 並び替えボタン ---- */
.order-cell{white-space:nowrap}
.order-cell .btn{padding:3px 8px;line-height:1.1;min-width:28px}
.order-cell .btn[disabled]{opacity:.35;cursor:default}

/* ---- 投稿スケジュール：店名＋チャンネル名の2行表示 ---- */
.cal-ev.ev-stack{flex-direction:column;align-items:stretch;justify-content:flex-start;gap:0;padding:2px 5px}
.cal-ev-sub{display:block;font-size:10px;color:#475569;opacity:.85;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0;max-width:100%}
.cal-ev.ev-stack .cal-ev-name{display:block;font-weight:600}

/* ---- 収納型フォーム（details/summary） ---- */
.form-box summary.form-box-toggle{
    cursor:pointer;list-style:none;display:inline-flex;align-items:center;gap:8px;
    padding:9px 16px;border-radius:8px;background:var(--primary);color:#fff;
    font-size:14px;font-weight:600;user-select:none;
}
.form-box summary.form-box-toggle::-webkit-details-marker{display:none}
.form-box summary.form-box-toggle::marker{content:""}
.form-box summary.form-box-toggle:hover{background:var(--primary-dark)}
.form-box summary.form-box-toggle::after{content:"▾";font-size:11px;opacity:.85;transition:transform .15s}
.form-box[open] summary.form-box-toggle::after{transform:rotate(180deg)}
.form-box[open] summary.form-box-toggle{margin-bottom:18px}

/* ---- クリックできる行 ---- */
tr.row-link{cursor:pointer}
tr.row-link:hover{background:#eff6ff}

/* ---- 手順リスト ---- */
.steps{margin:0;padding-left:22px;font-size:14px}
.steps li{margin-bottom:6px}
.steps code{background:#f1f5f9;padding:1px 5px;border-radius:4px;font-size:13px}