/* AKIPITA mock 共通スタイル */
:root{
  --base:#061283; --main:#FFB74C; --info:#138D90; --alert:#FC3C3C;
  --base-dark:#040d5e; --bg:#f5f6fa; --text:#2c2f3a; --muted:#868b99; --line:#dde0e8;
  --on-main:#3d2c0e;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;background:var(--bg);color:var(--text);line-height:1.6;display:flex;min-height:100vh;flex-direction:column}
a{color:var(--info);text-decoration:none}
a:hover{opacity:.85}

/* header / footer */
.site-header{background:var(--base);color:#fff;display:flex;align-items:center;gap:20px;padding:0 20px;height:56px;position:sticky;top:0;z-index:10}
.brand{display:flex;align-items:center;gap:8px;color:#fff;font-weight:700;font-size:18px;letter-spacing:.05em}
.brand img{height:36px;width:36px;border-radius:8px;object-fit:cover;background:#fff}
.site-header nav{display:flex;gap:4px;flex:1}
.site-header nav a{color:#fff;padding:6px 12px;border-radius:6px;font-size:14px;position:relative}
.nav-dot{position:absolute;top:2px;right:2px;width:8px;height:8px;border-radius:50%;background:var(--alert)}
.site-header nav a:hover,.site-header nav a.active{background:rgba(255,255,255,.22)}
.site-header nav .nav-icon{display:none;width:20px;height:20px;vertical-align:middle}
.badge{background:var(--alert);color:#fff;border-radius:10px;font-size:11px;padding:0 6px;margin-left:4px}
.avatar{width:36px;height:36px;border-radius:50%;background:var(--main);color:var(--on-main);display:flex;align-items:center;justify-content:center;font-weight:700}
/* ヘッダー右端のアイコン: 幅が縮んでも高さを追従させ正円を維持(楕円化防止) */
.site-header .avatar{height:auto;aspect-ratio:1/1;align-self:center;min-width:28px;overflow:hidden}
.site-footer{border-top:1px solid var(--line);text-align:center;font-size:12px;color:var(--muted);padding:16px;margin-top:24px}

main{flex:1;width:100%;max-width:960px;margin:0 auto;padding:24px 16px}
main.narrow{max-width:460px}
h1{font-size:22px;margin-bottom:16px}
h2{font-size:16px;margin:20px 0 10px}
.card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:20px;margin-bottom:16px}
.center{text-align:center}
.muted{color:var(--muted);font-size:12px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.spacer{flex:1}

/* form */
.form-group{margin-bottom:14px}
label{display:block;font-size:13px;font-weight:600;margin-bottom:4px}
input,select,textarea{width:100%;padding:9px 10px;border:1px solid var(--line);border-radius:6px;font-size:14px;background:#fff;font-family:inherit}
.hint{font-size:12px;color:var(--muted);margin-top:3px}
.radio-row{display:flex;gap:16px;font-size:14px;align-items:center}
.radio-row input{width:auto}

/* buttons */
.btn{display:inline-block;padding:9px 18px;border-radius:6px;border:none;font-size:14px;font-weight:600;cursor:pointer;text-align:center;font-family:inherit}
.btn-primary{background:var(--base);color:#fff}
.btn-primary:hover{background:var(--base-dark)}
.btn-accent{background:var(--alert);color:#fff}
.btn-info{background:var(--info);color:#fff}
.btn-ghost{background:#fff;border:1px solid var(--line);color:var(--text)}
.btn-block{display:block;width:100%}
.btn-sm{padding:5px 10px;font-size:12px}

/* table / tabs / pills */
table.list{width:100%;border-collapse:collapse;font-size:13px}
table.list th,table.list td{border-bottom:1px solid var(--line);padding:9px 8px;text-align:left;vertical-align:middle}
table.list th{font-size:12px;color:var(--muted)}
.tabs{display:flex;border-bottom:2px solid var(--line);margin-bottom:14px}
.tabs a{padding:8px 16px;font-size:14px;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-2px}
.tabs a.active{color:var(--text);font-weight:700;border-color:var(--base)}
.pill{display:inline-block;font-size:11px;border-radius:10px;padding:1px 8px;font-weight:600}
.pill-green{background:var(--base);color:#fff}
.pill-yellow{background:var(--main);color:var(--on-main)}
.pill-gray{background:#c4c9c3;color:#fff}
.pill-red{background:var(--alert);color:#fff}
.pill-blue{background:var(--info);color:#fff}

/* alerts */
.alert{padding:10px 14px;border-radius:6px;font-size:13px;margin-bottom:14px}
.alert-error{background:#fdecea;color:var(--alert);border:1px solid var(--alert)}
.alert-info{background:#eef3f8;color:#4a6b8c;border:1px solid var(--info)}
.mock-note{background:var(--main);color:var(--on-main);font-size:12px;padding:6px 10px;border-radius:6px;margin-bottom:14px}

/* calendar: month */
.cal-toolbar{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.cal-month{width:100%;border-collapse:collapse;font-size:12px;background:#fff}
.cal-month th{background:var(--base);color:#fff;padding:6px;font-weight:600}
.cal-month td{border:1px solid var(--line);vertical-align:top;height:84px;width:14.28%;padding:3px}
.cal-month .day{font-size:11px;color:var(--muted)}
.cal-month .today{background:#f2f6ef}
.event{display:block;font-size:11px;border-radius:4px;padding:1px 5px;margin-top:2px;color:#fff;background:var(--base);overflow:hidden;white-space:nowrap}
.event.appo{background:var(--info)}

/* calendar: week */
.cal-week{display:grid;grid-template-columns:50px repeat(7,1fr);font-size:11px;background:#fff;border:1px solid var(--line)}
.cal-week .head{background:var(--base);color:#fff;text-align:center;padding:4px 0;border-left:1px solid rgba(255,255,255,.3)}
.cal-week .hlabel{border-bottom:1px solid var(--line);height:28px;text-align:right;padding-right:4px;color:var(--muted)}
.cal-week .hcell{border-left:1px solid var(--line);border-bottom:1px solid var(--line);height:28px;position:relative}
.offtime{background:#ececec}
.busyblock{position:absolute;left:2px;right:2px;top:1px;bottom:1px;background:var(--base);color:#fff;border-radius:4px;font-size:10px;padding:0 3px;z-index:1;overflow:hidden}
.busyblock.appo{background:var(--info)}

/* slots (共有スケジュール表示) */
.slot-head{display:grid;grid-template-columns:60px repeat(7,1fr);gap:6px;font-size:12px;font-weight:700;text-align:center;margin-bottom:6px}
.slot-grid{display:grid;grid-template-columns:60px repeat(7,1fr);gap:6px;font-size:12px;margin-bottom:6px}
.slot-label{font-size:11px;color:var(--muted);display:flex;align-items:center}
.slot{border:1px solid var(--line);border-radius:6px;padding:6px 2px;text-align:center;background:#fff}
.slot.busy{background:#e9e9e9;color:#b5b5b5}
.slot.both{background:var(--main);color:var(--on-main);border-color:rgba(0,0,0,.15);font-weight:700;cursor:pointer}
.legend{display:flex;gap:14px;font-size:12px;margin:10px 0}
.legend span::before{content:"■ ";font-size:13px}
.legend .l-free::before{color:#fff;text-shadow:0 0 1px #999}
.legend .l-busy::before{color:#d5d5d5}
.legend .l-both::before{color:var(--main)}

/* modal(モック用: 常時表示) */
.modal-demo{border:2px dashed var(--info);border-radius:10px;padding:16px;background:#fff;max-width:440px;margin-bottom:16px}
.modal-demo h3{font-size:14px;margin-bottom:10px;color:var(--info)}

/* QR / plans / messages */
.qr{width:160px;height:160px;background:repeating-conic-gradient(#3d443c 0 25%,#fff 0 50%) 0 0/20px 20px;margin:10px auto;border:6px solid #fff;outline:1px solid var(--line)}
.plan-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.plan{border:1px solid var(--line);border-radius:10px;padding:16px;background:#fff;text-align:center;display:flex;flex-direction:column}
.plan.current{border:2px solid var(--base);background:#f4f8f1}
.price{font-size:22px;font-weight:800;margin:6px 0}
.plan ul{list-style:none;font-size:12px;text-align:left;margin:8px 0 12px}
.plan ul li{padding:3px 0;border-bottom:1px dashed var(--line)}
.plan .btn{margin-top:auto}
.toggle{display:inline-block;width:40px;height:22px;background:var(--base);border-radius:11px;position:relative;vertical-align:middle}
.toggle::after{content:"";position:absolute;right:2px;top:2px;width:18px;height:18px;background:#fff;border-radius:50%}
.toggle.off{background:#ccc}
.toggle.off::after{left:2px;right:auto}
.msg-list{display:flex;flex-direction:column;gap:8px}
.msg{max-width:70%;padding:8px 12px;border-radius:12px;font-size:13px}
.msg.me{align-self:flex-end;background:var(--main);color:var(--on-main)}
.msg.other{align-self:flex-start;background:#fff;border:1px solid var(--line)}
.msg .meta{font-size:10px;color:var(--muted);margin-top:2px;text-align:right}

@media (max-width:640px){
  .site-header nav a{padding:6px 7px;font-size:12px}
  .cal-month td{height:60px}
}

/* 共有スケジュール一覧のカード表示 */
.share-item{background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px;margin-bottom:10px}
.share-item .item-head{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:6px}
.share-item .item-head .name{font-size:16px;font-weight:700}
.share-item .item-meta{display:flex;gap:4px 16px;flex-wrap:wrap;font-size:12px;color:var(--muted);margin-bottom:10px}
.share-item .item-meta span b{color:var(--text);font-weight:600}
.share-item .item-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center;border-top:1px dashed var(--line);padding-top:10px}

/* スマホブラウザ(UA判定で .nav-compact 付与): ヘッダメニューをアイコン表示に切替 */
.site-header.nav-compact{gap:10px}
.site-header.nav-compact nav{gap:2px}
.site-header.nav-compact nav a{display:flex;align-items:center;padding:8px}
.site-header.nav-compact nav .nav-label{display:none}
.site-header.nav-compact nav .nav-icon{display:inline-block}
.site-header.nav-compact nav .badge{margin-left:2px}