/* ============================================================
   AI Fan Growth Intelligence — Design System
   Dark intelligence UI / Indigo × Cyan gradient
   ============================================================ */
:root {
  --bg: #070b16;
  --bg-2: #0b1120;
  --panel: #101830;
  --panel-2: #141d38;
  --border: #1f2b4d;
  --border-lt: #2a3a63;
  --txt: #e8edf8;
  --txt-2: #9aa8c7;
  --txt-3: #64748f;
  --indigo: #6366f1;
  --violet: #8b5cf6;
  --cyan: #22d3ee;
  --pink: #ec4899;
  --green: #34d399;
  --amber: #fbbf24;
  --red: #f87171;
  --grad: linear-gradient(120deg, #6366f1, #22d3ee);
  --grad-pink: linear-gradient(120deg, #ec4899, #8b5cf6);
  --radius: 14px;
  --shadow: 0 10px 40px rgba(0, 0, 0, .45);
  font-size: 15px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
  background: var(--bg);
  color: var(--txt);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-2); }
::-webkit-scrollbar-thumb { background: #2a3a63; border-radius: 4px; }

/* ---------- shared components ---------- */
.grad-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.grad-text-pink { background: var(--grad-pink); -webkit-background-clip: text; background-clip: text; color: transparent; }
.badge {
  display: inline-flex; align-items: center; gap: .35em;
  font-size: .72rem; font-weight: 600; letter-spacing: .04em;
  padding: .25em .7em; border-radius: 99px;
  background: rgba(99, 102, 241, .15); color: #a5b4fc; border: 1px solid rgba(99, 102, 241, .35);
}
.badge.cyan { background: rgba(34, 211, 238, .12); color: #67e8f9; border-color: rgba(34, 211, 238, .3); }
.badge.pink { background: rgba(236, 72, 153, .12); color: #f9a8d4; border-color: rgba(236, 72, 153, .3); }
.badge.green { background: rgba(52, 211, 153, .12); color: #6ee7b7; border-color: rgba(52, 211, 153, .3); }
.badge.amber { background: rgba(251, 191, 36, .12); color: #fcd34d; border-color: rgba(251, 191, 36, .3); }
.badge.red { background: rgba(248, 113, 113, .12); color: #fca5a5; border-color: rgba(248, 113, 113, .3); }
.btn {
  display: inline-flex; align-items: center; gap: .5em; border: none;
  padding: .8em 1.7em; border-radius: 10px; font-weight: 700; font-size: .95rem;
  transition: transform .15s, box-shadow .15s, opacity .15s;
}
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 6px 24px rgba(99, 102, 241, .4); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 32px rgba(34, 211, 238, .4); }
.btn-ghost { background: rgba(255, 255, 255, .05); color: var(--txt); border: 1px solid var(--border-lt); }
.btn-ghost:hover { background: rgba(255, 255, 255, .1); }
.panel {
  background: linear-gradient(160deg, var(--panel), var(--panel-2));
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.4rem;
}
.panel-title {
  display: flex; align-items: center; gap: .6em;
  font-size: 1.02rem; font-weight: 700; margin-bottom: 1rem;
}
.panel-title i { color: var(--cyan); font-size: .95em; }
.panel-title .hint { margin-left: auto; font-size: .72rem; font-weight: 500; color: var(--txt-3); }

/* ============================================================
   LANDING PAGE
   ============================================================ */
.lp-nav {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; gap: 2rem;
  padding: .9rem 5%;
  background: rgba(7, 11, 22, .8); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.logo { display: flex; align-items: center; gap: .6rem; font-weight: 800; font-size: 1.05rem; }
.logo-mark {
  width: 34px; height: 34px; border-radius: 9px; background: var(--grad);
  display: grid; place-items: center; color: #fff; font-size: .95rem;
  box-shadow: 0 4px 14px rgba(99, 102, 241, .5);
}
.lp-nav-links { display: flex; gap: 1.6rem; margin-left: auto; font-size: .88rem; color: var(--txt-2); }
.lp-nav-links a:hover { color: var(--txt); }
.lp-nav .btn { padding: .55em 1.2em; font-size: .85rem; }

.hero {
  position: relative; overflow: hidden;
  padding: 5.5rem 5% 4rem; text-align: center;
}
.hero-glow {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(600px 300px at 20% 0%, rgba(99, 102, 241, .22), transparent),
    radial-gradient(700px 350px at 80% 10%, rgba(34, 211, 238, .14), transparent),
    radial-gradient(500px 400px at 50% 100%, rgba(236, 72, 153, .1), transparent);
}
.hero > * { position: relative; }
.hero h1 { font-size: clamp(1.9rem, 4.6vw, 3.4rem); font-weight: 900; line-height: 1.35; letter-spacing: .01em; margin: 1.2rem 0; }
.hero .lead { max-width: 720px; margin: 0 auto 2rem; color: var(--txt-2); font-size: 1.05rem; }
.hero-cta { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.hero-stats {
  display: flex; gap: 2.5rem; justify-content: center; flex-wrap: wrap;
  margin-top: 3.2rem; padding-top: 2rem; border-top: 1px solid var(--border);
}
.hero-stat .num { font-size: 1.9rem; font-weight: 800; }
.hero-stat .lbl { font-size: .78rem; color: var(--txt-3); }

.lp-section { padding: 4.5rem 5%; max-width: 1200px; margin: 0 auto; }
.sec-head { text-align: center; margin-bottom: 3rem; }
.sec-head h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 800; margin: .6rem 0; }
.sec-head p { color: var(--txt-2); max-width: 640px; margin: 0 auto; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.3rem; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 1.3rem; }
.feature-card { transition: transform .2s, border-color .2s; }
.feature-card:hover { transform: translateY(-4px); border-color: var(--indigo); }
.feature-icon {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  font-size: 1.15rem; color: #fff; margin-bottom: 1rem; background: var(--grad);
}
.feature-card:nth-child(3n+2) .feature-icon { background: var(--grad-pink); }
.feature-card:nth-child(3n) .feature-icon { background: linear-gradient(120deg, #22d3ee, #34d399); }
.feature-card h3 { font-size: 1.05rem; margin-bottom: .5rem; }
.feature-card p { font-size: .88rem; color: var(--txt-2); }

.flow-steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; counter-reset: step; }
.flow-step { position: relative; padding: 1.5rem 1.2rem 1.2rem; }
.flow-step .step-no {
  position: absolute; top: -14px; left: 1.1rem;
  background: var(--grad); color: #fff; font-weight: 800; font-size: .8rem;
  width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center;
}
.flow-step h4 { font-size: .95rem; margin-bottom: .4rem; }
.flow-step p { font-size: .82rem; color: var(--txt-2); }

.persona-card { display: flex; gap: 1rem; align-items: flex-start; }
.persona-card i { font-size: 1.4rem; color: var(--cyan); margin-top: .2rem; }
.persona-card h4 { font-size: .95rem; }
.persona-card p { font-size: .82rem; color: var(--txt-2); }

.cta-banner {
  text-align: center; padding: 3.5rem 2rem; border-radius: 20px;
  background:
    radial-gradient(500px 200px at 50% 0%, rgba(99, 102, 241, .3), transparent),
    linear-gradient(160deg, var(--panel), var(--panel-2));
  border: 1px solid var(--border-lt);
}
.cta-banner h2 { font-size: 1.7rem; font-weight: 800; margin-bottom: .8rem; }
.cta-banner p { color: var(--txt-2); margin-bottom: 1.8rem; }
.lp-footer { padding: 2.5rem 5%; border-top: 1px solid var(--border); text-align: center; color: var(--txt-3); font-size: .8rem; }

/* ============================================================
   DASHBOARD
   ============================================================ */
.dash-body { display: flex; flex-direction: column; height: 100vh; overflow: hidden; }
.dash-nav {
  display: flex; align-items: center; gap: 1.2rem;
  padding: .65rem 1.2rem; background: var(--bg-2);
  border-bottom: 1px solid var(--border); flex-shrink: 0;
}
.dash-nav .data-date { margin-left: auto; font-size: .74rem; color: var(--txt-3); display: flex; align-items: center; gap: .4em; }
.dash-layout { display: flex; flex: 1; min-height: 0; }

/* sidebar */
.sidebar {
  width: 264px; flex-shrink: 0; background: var(--bg-2);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column; overflow: hidden;
}
.sidebar-search { padding: .8rem .8rem .4rem; }
.sidebar-search input {
  width: 100%; padding: .55em .9em .55em 2.2em; border-radius: 9px;
  background: var(--panel); border: 1px solid var(--border); color: var(--txt);
  font-size: .84rem; outline: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512' fill='%2364748f'%3E%3Cpath d='M416 208c0 45.9-14.9 88.3-40 122.7L502.6 457.4c12.5 12.5 12.5 32.8 0 45.3s-32.8 12.5-45.3 0L330.7 376c-34.4 25.2-76.8 40-122.7 40C93.1 416 0 322.9 0 208S93.1 0 208 0S416 93.1 416 208z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-size: 13px; background-position: .8em center;
}
.sidebar-search input:focus { border-color: var(--indigo); }
.ip-list { flex: 1; overflow-y: auto; padding: .3rem .5rem 1rem; }
.cat-label {
  display: flex; align-items: center; gap: .5em;
  font-size: .68rem; font-weight: 700; letter-spacing: .1em; color: var(--txt-3);
  padding: .9em .6em .4em; text-transform: uppercase;
}
.ip-item {
  display: flex; align-items: center; gap: .6rem; width: 100%;
  padding: .5em .6em; border-radius: 9px; border: 1px solid transparent;
  background: transparent; color: var(--txt); text-align: left;
  transition: background .12s;
}
.ip-item:hover { background: rgba(255, 255, 255, .05); }
.ip-item.active { background: rgba(99, 102, 241, .16); border-color: rgba(99, 102, 241, .45); }
.ip-item .ip-dot {
  width: 30px; height: 30px; border-radius: 8px; flex-shrink: 0;
  display: grid; place-items: center; font-size: .78rem; color: #fff;
}
.ip-item .ip-nm { font-size: .84rem; font-weight: 600; line-height: 1.25; }
.ip-item .ip-sc { margin-left: auto; font-size: .76rem; font-weight: 700; color: var(--txt-2); }

/* main area */
.main-area { flex: 1; overflow-y: auto; min-width: 0; }
.ip-hero {
  padding: 1.5rem 1.8rem 0;
  background:
    radial-gradient(500px 180px at 15% 0%, rgba(99, 102, 241, .18), transparent),
    radial-gradient(500px 180px at 70% 0%, rgba(34, 211, 238, .1), transparent);
}
.ip-hero-top { display: flex; align-items: center; gap: 1.1rem; flex-wrap: wrap; }
.ip-avatar {
  width: 62px; height: 62px; border-radius: 16px; display: grid; place-items: center;
  font-size: 1.6rem; color: #fff; box-shadow: var(--shadow);
}
.ip-hero h1 { font-size: 1.55rem; font-weight: 800; line-height: 1.3; }
.ip-hero .ip-company { font-size: .8rem; color: var(--txt-2); }
.ip-hero-badges { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: .4rem; }

.section-tabs {
  position: sticky; top: 0; z-index: 50;
  display: flex; gap: .2rem; padding: .8rem 1.8rem .6rem; overflow-x: auto;
  background: rgba(7, 11, 22, .88); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.section-tabs a {
  padding: .45em 1em; border-radius: 8px; font-size: .84rem; font-weight: 600;
  color: var(--txt-2); white-space: nowrap;
}
.section-tabs a:hover { color: var(--txt); background: rgba(255, 255, 255, .05); }
.section-tabs a.active { color: #fff; background: var(--grad); }

.dash-content { padding: 1.5rem 1.8rem 4rem; display: flex; flex-direction: column; gap: 2.2rem; }
.dash-section h2 {
  display: flex; align-items: center; gap: .6em;
  font-size: 1.18rem; font-weight: 800; margin-bottom: .3rem;
}
.dash-section h2 i { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.dash-section .sec-desc { font-size: .84rem; color: var(--txt-2); margin-bottom: 1.1rem; }

/* KPI cards */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; }
.kpi-card { position: relative; overflow: hidden; }
.kpi-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--grad);
}
.kpi-card.pink::before { background: var(--grad-pink); }
.kpi-card.green::before { background: linear-gradient(120deg, #34d399, #22d3ee); }
.kpi-card.amber::before { background: linear-gradient(120deg, #fbbf24, #ec4899); }
.kpi-lbl { font-size: .76rem; color: var(--txt-2); display: flex; align-items: center; gap: .5em; }
.kpi-val { font-size: 2.1rem; font-weight: 800; line-height: 1.2; margin: .15em 0; }
.kpi-val small { font-size: .95rem; color: var(--txt-3); font-weight: 600; }
.kpi-trend { font-size: .78rem; font-weight: 700; }
.kpi-trend.up { color: var(--green); }
.kpi-trend.down { color: var(--red); }
.kpi-trend span { color: var(--txt-3); font-weight: 500; }

.chart-row { display: grid; grid-template-columns: 1.6fr 1fr; gap: 1rem; }
.chart-box { position: relative; }
@media (max-width: 1100px) { .chart-row { grid-template-columns: 1fr; } }

/* AI engine cards */
.engine-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1rem; }
.engine-card { display: flex; flex-direction: column; gap: .7rem; }
.engine-head { display: flex; align-items: center; gap: .7rem; }
.engine-ico { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; font-size: 1rem; color: #fff; }
.engine-head h4 { font-size: .95rem; }
.engine-head .eng-rank { font-size: .72rem; color: var(--txt-2); }
.engine-score { margin-left: auto; text-align: right; }
.engine-score .num { font-size: 1.5rem; font-weight: 800; }
.engine-score .den { font-size: .7rem; color: var(--txt-3); }
.engine-bar { height: 6px; border-radius: 3px; background: rgba(255, 255, 255, .08); overflow: hidden; }
.engine-bar > div { height: 100%; border-radius: 3px; background: var(--grad); }
.ai-quote {
  font-size: .82rem; color: var(--txt-2); line-height: 1.7;
  background: rgba(0, 0, 0, .25); border-left: 3px solid var(--indigo);
  padding: .8em 1em; border-radius: 0 9px 9px 0;
}
.ai-quote::before { content: '\f10d'; font-family: 'Font Awesome 6 Free'; font-weight: 900; color: var(--indigo); margin-right: .5em; font-size: .8em; }

/* context battle table */
.ctx-table { width: 100%; border-collapse: collapse; font-size: .85rem; }
.ctx-table th {
  text-align: left; font-size: .7rem; letter-spacing: .06em; color: var(--txt-3);
  padding: .6em .8em; border-bottom: 1px solid var(--border); text-transform: uppercase;
}
.ctx-table td { padding: .8em; border-bottom: 1px solid rgba(31, 43, 77, .5); vertical-align: middle; }
.ctx-table tr:last-child td { border-bottom: none; }
.ctx-table .ctx-name { font-weight: 700; }
.ctx-note { font-size: .78rem; color: var(--txt-2); }
.result-pill {
  display: inline-flex; align-items: center; gap: .4em;
  font-size: .74rem; font-weight: 700; padding: .3em .8em; border-radius: 99px;
}
.result-pill.win { background: rgba(52, 211, 153, .14); color: #6ee7b7; }
.result-pill.lose { background: rgba(248, 113, 113, .14); color: #fca5a5; }
.result-pill.tie { background: rgba(251, 191, 36, .14); color: #fcd34d; }
.rank-chip { font-weight: 800; font-size: 1.05rem; }
.rank-chip small { font-size: .68rem; color: var(--txt-3); font-weight: 500; }

/* SNS */
.sns-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 1rem; }
.sns-card { display: flex; flex-direction: column; gap: .3rem; }
.sns-card .sns-head { display: flex; align-items: center; gap: .6rem; font-weight: 700; font-size: .92rem; }
.sns-card .sns-head i { font-size: 1.2rem; }
.sns-heat-val { font-size: 1.7rem; font-weight: 800; }
.sns-meta { font-size: .76rem; color: var(--txt-2); display: flex; justify-content: space-between; }
.heat-bar { height: 7px; border-radius: 4px; background: rgba(255, 255, 255, .08); overflow: hidden; margin-top: .3rem; }
.heat-bar > div { height: 100%; border-radius: 4px; background: var(--grad-pink); }

.topic-item {
  display: flex; align-items: center; gap: 1rem; padding: .8em .4em;
  border-bottom: 1px solid rgba(31, 43, 77, .5);
}
.topic-item:last-child { border-bottom: none; }
.topic-rank { font-size: 1.05rem; font-weight: 800; color: var(--txt-3); width: 1.4em; text-align: center; flex-shrink: 0; }
.topic-tag { font-weight: 700; font-size: .9rem; color: #93c5fd; }
.topic-desc { font-size: .78rem; color: var(--txt-2); }
.topic-nums { margin-left: auto; text-align: right; flex-shrink: 0; }
.topic-vol { font-weight: 700; font-size: .9rem; }
.topic-growth { font-size: .74rem; font-weight: 700; color: var(--green); }

/* gap section */
.gap-card { display: flex; gap: .9rem; align-items: flex-start; }
.gap-card .gap-ico {
  width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center;
  font-size: 1rem; flex-shrink: 0;
}
.gap-card.opportunity .gap-ico { background: rgba(52, 211, 153, .15); color: var(--green); }
.gap-card.risk .gap-ico { background: rgba(248, 113, 113, .15); color: var(--red); }
.gap-card h4 { font-size: .95rem; margin-bottom: .3rem; }
.gap-card p { font-size: .82rem; color: var(--txt-2); }

/* recommendations */
.rec-filters { display: flex; gap: .5rem; flex-wrap: wrap; margin-bottom: 1.1rem; }
.rec-filter {
  padding: .4em 1em; border-radius: 99px; font-size: .8rem; font-weight: 600;
  background: var(--panel); border: 1px solid var(--border); color: var(--txt-2);
}
.rec-filter.active { background: var(--grad); color: #fff; border-color: transparent; }
.rec-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 1rem; }
.rec-card { display: flex; flex-direction: column; gap: .6rem; transition: transform .15s, border-color .15s; }
.rec-card:hover { transform: translateY(-3px); border-color: var(--indigo); }
.rec-top { display: flex; align-items: center; gap: .6rem; }
.rec-card h4 { font-size: .97rem; line-height: 1.45; }
.rec-card .rec-desc { font-size: .83rem; color: var(--txt-2); flex: 1; }
.rec-kpi {
  font-size: .78rem; padding: .6em .9em; border-radius: 9px;
  background: rgba(34, 211, 238, .08); border: 1px dashed rgba(34, 211, 238, .35); color: #a5f3fc;
}
.rec-kpi i { margin-right: .4em; }
.priority-dot { display: inline-flex; align-items: center; gap: .35em; font-size: .72rem; font-weight: 700; margin-left: auto; }
.priority-dot::before { content: ''; width: 8px; height: 8px; border-radius: 50%; }
.priority-dot.high { color: #fca5a5; } .priority-dot.high::before { background: var(--red); box-shadow: 0 0 8px var(--red); }
.priority-dot.mid { color: #fcd34d; } .priority-dot.mid::before { background: var(--amber); }
.priority-dot.low { color: #6ee7b7; } .priority-dot.low::before { background: var(--green); }

/* sentiment bar */
.sent-bar { display: flex; height: 12px; border-radius: 6px; overflow: hidden; margin: .5rem 0 .4rem; }
.sent-bar .pos { background: var(--green); }
.sent-bar .neu { background: #64748f; }
.sent-bar .neg { background: var(--red); }
.sent-legend { display: flex; gap: 1.2rem; font-size: .76rem; color: var(--txt-2); flex-wrap: wrap; }
.sent-legend b { color: var(--txt); }
.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: .35em; }

/* mobile */
.sidebar-toggle { display: none; }
@media (max-width: 900px) {
  .sidebar {
    position: fixed; left: 0; top: 0; bottom: 0; z-index: 200;
    transform: translateX(-100%); transition: transform .25s; box-shadow: var(--shadow);
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar-toggle {
    display: inline-flex; background: none; border: 1px solid var(--border-lt);
    color: var(--txt); border-radius: 8px; padding: .4em .7em;
  }
  .dash-content, .ip-hero { padding-left: 1rem; padding-right: 1rem; }
  .section-tabs { padding-left: 1rem; }
}