:root{
  --primary:#4f46e5;
  --primary-dark:#4338ca;
  --primary-light:#eef2ff;
  --accent:#0ea5a3;
  --ink:#1b1f2a;
  --ink-soft:#4b5264;
  --line:#e4e7ef;
  --bg:#f4f5fa;
  --card:#ffffff;
  --success:#16a34a;
  --success-bg:#eafaf0;
  --warn:#d97706;
  --warn-bg:#fef3e2;
  --danger:#dc2626;
  --danger-bg:#fdecec;
  --wp:#21759b;
  --ig1:#f58529;--ig2:#dd2a7b;--ig3:#8134af;
  --x:#111318;
  --fb:#1877f2;
  --ameba:#ff5a7a;
  --note:#41c9b4;
  --radius:14px;
  --shadow:0 2px 10px rgba(30,34,54,.06), 0 1px 2px rgba(30,34,54,.04);
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:"Hiragino Sans","Noto Sans JP","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
img{max-width:100%;display:block;}

.icon{display:inline-flex;align-items:center;justify-content:center;width:1em;height:1em;}
.icon svg{width:100%;height:100%;}

/* ---------- Shell ---------- */
.app-shell{display:flex;min-height:100vh;}

.sidebar{
  width:264px;
  flex-shrink:0;
  background:#171a28;
  color:#c9cde0;
  display:flex;
  flex-direction:column;
  position:fixed;
  top:0;left:0;bottom:0;
  z-index:40;
  transition:transform .25s ease;
}
.sidebar-logo{
  display:flex;align-items:center;gap:10px;
  padding:22px 20px 18px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.sidebar-logo .mark{
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:700;font-size:15px;flex-shrink:0;
}
.sidebar-logo .name{color:#fff;font-weight:700;font-size:16px;line-height:1.2;}
.sidebar-logo .tagline{font-size:11px;color:#8b90ab;margin-top:2px;}

.sidebar-nav{flex:1;padding:14px 10px;overflow-y:auto;}
.nav-group-label{font-size:11px;color:#6d7295;padding:14px 12px 6px;letter-spacing:.04em;}
.nav-item{
  display:flex;align-items:center;gap:11px;
  padding:10px 12px;margin-bottom:2px;
  border-radius:10px;font-size:14px;color:#c9cde0;
  font-weight:500;
}
.nav-item .icon{font-size:18px;color:#8b90ab;}
.nav-item:hover{background:rgba(255,255,255,.06);}
.nav-item.active{background:var(--primary);color:#fff;}
.nav-item.active .icon{color:#fff;}

.sidebar-footer{
  padding:16px;border-top:1px solid rgba(255,255,255,.08);
  font-size:12px;color:#8b90ab;
}
.sidebar-footer .wp-status{
  display:flex;align-items:center;gap:8px;margin-bottom:4px;color:#d7d9ea;
}
.dot{width:7px;height:7px;border-radius:50%;background:var(--success);flex-shrink:0;}

.main-area{flex:1;margin-left:264px;min-width:0;display:flex;flex-direction:column;}

.topbar{
  height:66px;flex-shrink:0;
  display:flex;align-items:center;gap:14px;
  padding:0 26px;background:var(--card);
  border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:30;
}
.hamburger{
  display:none;border:none;background:none;font-size:22px;color:var(--ink);
  cursor:pointer;padding:4px;
}
.page-title{font-size:18px;font-weight:700;margin:0;flex:1;}
.page-sub{font-size:12.5px;color:var(--ink-soft);margin-top:2px;}
.topbar-right{display:flex;align-items:center;gap:12px;}
.avatar{
  width:34px;height:34px;border-radius:50%;
  background:var(--primary-light);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;
}

.content{padding:26px;max-width:1240px;width:100%;margin:0 auto;}

.overlay{
  position:fixed;inset:0;background:rgba(10,12,20,.45);
  z-index:35;opacity:0;visibility:hidden;transition:.2s;
}
.overlay.show{opacity:1;visibility:visible;}

/* ---------- Cards / layout helpers ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.card-pad{padding:22px;}
.card-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 22px;border-bottom:1px solid var(--line);
}
.card-header h2{font-size:15.5px;margin:0;font-weight:700;}
.card-header .hint{font-size:12px;color:var(--ink-soft);margin-top:2px;}
.card-body{padding:22px;}

.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.stack{display:flex;flex-direction:column;gap:18px;}

.section-title{font-size:13px;font-weight:700;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.03em;margin:0 0 12px;}

/* ---------- Hero ---------- */
.hero{
  border-radius:var(--radius);
  background:linear-gradient(120deg,#171a28 0%,#2c2f6b 55%,#4f46e5 100%);
  color:#fff;padding:30px 30px;position:relative;overflow:hidden;
}
.hero-flow{display:flex;gap:14px;margin-top:18px;flex-wrap:wrap;}
.hero-step{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  border-radius:12px;padding:12px 16px;flex:1;min-width:150px;
}
.hero-step .num{font-size:11px;color:#c7c9ff;font-weight:700;}
.hero-step .t{font-size:13.5px;font-weight:700;margin-top:3px;}
.hero-step .d{font-size:11.5px;color:#cfd1ef;margin-top:3px;line-height:1.5;}
.hero h1{font-size:21px;margin:0 0 8px;}
.hero p{font-size:13.5px;color:#d7d8ff;margin:0;max-width:640px;line-height:1.7;}

/* ---------- Stat tiles ---------- */
.stat-tile{padding:18px 20px;}
.stat-tile .label{font-size:12px;color:var(--ink-soft);display:flex;align-items:center;gap:6px;}
.stat-tile .value{font-size:25px;font-weight:700;margin-top:8px;}
.stat-tile .delta{font-size:11.5px;margin-top:6px;color:var(--success);}
.stat-tile .delta.down{color:var(--danger);}

/* ---------- Platform chips ---------- */
.platform-chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 10px 5px 6px;border-radius:999px;font-size:12px;font-weight:700;color:#fff;
}
.platform-chip .badge-mark{
  width:18px;height:18px;border-radius:50%;background:rgba(255,255,255,.28);
  display:flex;align-items:center;justify-content:center;font-size:10px;
}
.platform-chip[data-p="wp"]{background:var(--wp);}
.platform-chip[data-p="ig"]{background:linear-gradient(135deg,var(--ig1),var(--ig2),var(--ig3));}
.platform-chip[data-p="x"]{background:var(--x);}
.platform-chip[data-p="fb"]{background:var(--fb);}
.platform-chip[data-p="ameba"]{background:var(--ameba);}
.platform-chip[data-p="note"]{background:var(--note);}

.platform-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0;}
.platform-dot[data-p="wp"]{background:var(--wp);}
.platform-dot[data-p="ig"]{background:linear-gradient(135deg,var(--ig1),var(--ig2));}
.platform-dot[data-p="x"]{background:var(--x);}
.platform-dot[data-p="fb"]{background:var(--fb);}
.platform-dot[data-p="ameba"]{background:var(--ameba);}
.platform-dot[data-p="note"]{background:var(--note);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:7px;
  border-radius:9px;border:1px solid transparent;
  padding:10px 16px;font-size:13.5px;font-weight:700;cursor:pointer;
  transition:.15s;
}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);}
.btn-secondary{background:var(--primary-light);color:var(--primary);}
.btn-secondary:hover{background:#dfe3ff;}
.btn-ghost{background:transparent;color:var(--ink-soft);border-color:var(--line);}
.btn-ghost:hover{background:#f1f2f8;}
.btn-danger{background:var(--danger-bg);color:var(--danger);}
.btn-sm{padding:7px 12px;font-size:12.5px;}
.btn-block{width:100%;justify-content:center;}
.btn[disabled]{opacity:.5;cursor:not-allowed;}

/* ---------- Forms ---------- */
label{font-size:12.5px;font-weight:700;color:var(--ink-soft);display:block;margin-bottom:6px;}
input[type=text],input[type=email],input[type=time],select,textarea{
  width:100%;border:1px solid var(--line);border-radius:9px;
  padding:10px 12px;font-size:13.5px;color:var(--ink);background:#fff;
  font-family:inherit;
}
textarea{resize:vertical;}
.field{margin-bottom:16px;}
.field-row{display:flex;gap:12px;}
.field-row>.field{flex:1;}
.helptext{font-size:11.5px;color:var(--ink-soft);margin-top:5px;line-height:1.5;}

.chip-select{display:flex;flex-wrap:wrap;gap:8px;}
.chip-opt{
  border:1.5px solid var(--line);border-radius:999px;padding:7px 14px;
  font-size:12.5px;font-weight:700;cursor:pointer;color:var(--ink-soft);
  display:flex;align-items:center;gap:6px;background:#fff;
}
.chip-opt.selected{border-color:var(--primary);color:var(--primary);background:var(--primary-light);}

/* toggle switch */
.switch{position:relative;display:inline-block;width:42px;height:24px;flex-shrink:0;}
.switch input{opacity:0;width:0;height:0;}
.switch .track{
  position:absolute;inset:0;background:#d7d9ea;border-radius:999px;transition:.2s;cursor:pointer;
}
.switch .track:before{
  content:"";position:absolute;width:18px;height:18px;left:3px;top:3px;
  background:#fff;border-radius:50%;transition:.2s;box-shadow:0 1px 3px rgba(0,0,0,.25);
}
.switch input:checked + .track{background:var(--success);}
.switch input:checked + .track:before{transform:translateX(18px);}

/* ---------- Tabs ---------- */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);overflow-x:auto;}
.tab-btn{
  padding:11px 16px;font-size:13px;font-weight:700;color:var(--ink-soft);
  border-bottom:2px solid transparent;cursor:pointer;white-space:nowrap;
  display:flex;align-items:center;gap:7px;background:none;border-top:none;border-left:none;border-right:none;
}
.tab-btn.active{color:var(--primary);border-color:var(--primary);}
.tab-panel{display:none;}
.tab-panel.active{display:block;}

/* ---------- Badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:5px;
  padding:4px 10px;border-radius:999px;font-size:11.5px;font-weight:700;
}
.badge[data-s="success"]{background:var(--success-bg);color:var(--success);}
.badge[data-s="pending"]{background:var(--warn-bg);color:var(--warn);}
.badge[data-s="error"]{background:var(--danger-bg);color:var(--danger);}
.badge[data-s="draft"]{background:#eef0f6;color:var(--ink-soft);}

/* ---------- Lists / tables ---------- */
.post-list{display:flex;flex-direction:column;}
.post-item{
  display:flex;gap:14px;align-items:flex-start;padding:16px 0;
  border-bottom:1px solid var(--line);
}
.post-item:last-child{border-bottom:none;}
.post-thumb{
  width:58px;height:58px;border-radius:10px;object-fit:cover;flex-shrink:0;background:#eee;
}
.post-main{flex:1;min-width:0;}
.post-title-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:4px;}
.post-title-row .t{font-size:13.5px;font-weight:700;}
.post-meta{font-size:11.5px;color:var(--ink-soft);display:flex;gap:10px;flex-wrap:wrap;margin-top:4px;}
.post-targets{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap;}

/* ---------- Image placeholders note ---------- */
.img-cover{width:100%;height:100%;object-fit:cover;border-radius:inherit;}

/* ---------- Mobile preview card (IG/X style) ---------- */
.phone-mock{
  width:260px;border-radius:26px;border:7px solid #171a28;background:#171a28;
  overflow:hidden;margin:0 auto;box-shadow:0 10px 30px rgba(0,0,0,.18);
}
.phone-screen{background:#fff;border-radius:19px;overflow:hidden;}
.ig-header{display:flex;align-items:center;gap:8px;padding:10px 12px;}
.ig-header .av{width:28px;height:28px;border-radius:50%;object-fit:cover;}
.ig-header .n{font-size:12px;font-weight:700;}
.ig-photo{width:100%;aspect-ratio:1/1;object-fit:cover;}
.ig-caption{padding:10px 12px;font-size:11.5px;line-height:1.6;}
.ig-caption b{font-weight:700;}

.x-post{padding:14px;}
.x-post .row{display:flex;gap:10px;}
.x-post .av{width:38px;height:38px;border-radius:50%;object-fit:cover;flex-shrink:0;}
.x-post .name{font-size:12.5px;font-weight:700;}
.x-post .body{font-size:12.5px;line-height:1.6;margin-top:4px;}

/* ---------- Calendar (schedule) ---------- */
.cal-wrap{display:grid;grid-template-columns:repeat(7,1fr);gap:6px;}
.cal-dow{font-size:11px;color:var(--ink-soft);text-align:center;font-weight:700;padding-bottom:4px;}
.cal-cell{
  min-height:68px;border:1px solid var(--line);border-radius:8px;padding:6px;font-size:11px;
  color:var(--ink-soft);position:relative;background:#fbfbfe;
}
.cal-cell.muted{opacity:.35;}
.cal-cell .d{font-weight:700;color:var(--ink);}
.cal-cell .ev{
  margin-top:4px;background:var(--primary-light);color:var(--primary);
  border-radius:5px;padding:2px 4px;font-size:9.5px;font-weight:700;
}

/* ---------- Template card ---------- */
.tpl-card{overflow:hidden;}
.tpl-img{width:100%;height:120px;object-fit:cover;}
.tpl-body{padding:14px 16px;}
.tpl-body .t{font-size:13.5px;font-weight:700;}
.tpl-body .d{font-size:11.5px;color:var(--ink-soft);margin-top:4px;line-height:1.6;}

/* ---------- Case study ---------- */
.case-img{width:100%;height:170px;object-fit:cover;}

/* ---------- Footer note ---------- */
.demo-note{
  font-size:11.5px;color:var(--ink-soft);text-align:center;padding:22px 0 6px;
}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .sidebar{transform:translateX(-100%);}
  .sidebar.open{transform:translateX(0);}
  .main-area{margin-left:0;}
  .hamburger{display:inline-flex;}
  .grid-3{grid-template-columns:1fr 1fr;}
  .grid-4{grid-template-columns:1fr 1fr;}
}
@media (max-width:640px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .content{padding:16px;}
  .topbar{padding:0 14px;}
  .hero{padding:22px 18px;}
  .field-row{flex-direction:column;gap:0;}
}