:root {
  --bg: #0B1020;
  --surface: #131A2E;
  --surface-2: #1A2340;
  --text: #E6EAF2;
  --text-dim: #8A94AC;
  --accent: #4DC3FF;
  --danger: #A65B5B;
  --border: rgba(230, 234, 242, 0.08);
  --radius: 10px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 15px;
  line-height: 1.6;
}

a { color: var(--accent); text-decoration: none; }

/* ---------- Header ---------- */
.header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(11, 16, 32, 0.92);
  backdrop-filter: blur(8px);
  z-index: 50;
}
.header .brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 600; letter-spacing: 0.02em; }
.header .brand svg { display: block; }
.header .spacer { flex: 1; }
.header .avatar { width: 30px; height: 30px; border-radius: 50%; border: 1px solid var(--border); }
.header .logout { color: var(--text-dim); font-size: 13px; transition: color 0.15s; }
.header .logout:hover { color: var(--text); }

.container { max-width: 1200px; margin: 0 auto; padding: 20px; }

/* ---------- Toolbar (tabs + search) ---------- */
.toolbar { display: flex; flex-direction: column; gap: 12px; margin-bottom: 20px; }
.cat-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  padding-bottom: 2px;
}
.cat-tabs::-webkit-scrollbar { display: none; }
.cat-tab {
  flex: 0 0 auto;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-dim);
  font-size: 13px;
  border: 1px solid var(--border);
  white-space: nowrap;
  transition: color 0.15s, border-color 0.15s;
}
.cat-tab:hover { color: var(--text); }
.cat-tab.active { color: var(--text); border-color: var(--accent); }
.cat-tab .dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; }

.search-row { display: flex; gap: 10px; flex-wrap: wrap; }
.search-row form { flex: 1; min-width: 200px; display: flex; gap: 8px; }
.input, select.input {
  width: 100%;
  padding: 8px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
}
.input:focus { outline: none; border-color: var(--accent); }
.input::placeholder { color: var(--text-dim); }

.btn {
  padding: 8px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
  transition: border-color 0.15s, background 0.15s;
}
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); color: #06121F; font-weight: 600; border-color: transparent; }
.btn.primary:hover { filter: brightness(1.1); }
.btn.danger { color: #E8B4B4; }
.btn.danger:hover { border-color: var(--danger); }
.btn.small { padding: 4px 10px; font-size: 12px; }

/* ---------- Card grid ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 14px;
}
@media (max-width: 420px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  transition: border-color 0.15s, transform 0.15s;
  display: flex;
  flex-direction: column;
}
.card:hover { border-color: rgba(77, 195, 255, 0.45); transform: translateY(-2px); }
.card a.card-link { display: flex; flex-direction: column; color: inherit; height: 100%; }
.card .thumb {
  aspect-ratio: 16 / 9;
  background: var(--surface-2);
  width: 100%;
  object-fit: cover;
  display: block;
}
.card .thumb.placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  font-size: 22px;
  font-weight: 600;
}
.card .body { padding: 10px 12px 12px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.card .title {
  font-size: 13px;
  font-weight: 600;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.9em;
}
.card .meta { display: flex; align-items: center; gap: 6px; font-size: 11px; color: var(--text-dim); margin-top: auto; }
.card .meta img.favicon { width: 14px; height: 14px; border-radius: 3px; }
.card .meta .domain { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; }
.card .badge-dead {
  position: absolute;
  top: 8px;
  left: 8px;
  background: var(--danger);
  color: #fff;
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 999px;
}
.card .menu-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: none;
  background: rgba(11, 16, 32, 0.7);
  color: var(--text);
  cursor: pointer;
  font-size: 15px;
  line-height: 1;
  opacity: 0;
  transition: opacity 0.15s;
}
.card:hover .menu-btn, .card .menu-btn:focus { opacity: 1; }
@media (hover: none) { .card .menu-btn { opacity: 1; } }

.empty {
  text-align: center;
  color: var(--text-dim);
  padding: 60px 20px;
}

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(4, 6, 14, 0.7);
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 16px;
  z-index: 100;
  overflow-y: auto;
}
.modal-backdrop.open { display: flex; }
.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  width: 100%;
  max-width: 480px;
  padding: 22px;
}
.modal h2 { margin: 0 0 16px; font-size: 16px; }
.modal .field { margin-bottom: 14px; }
.modal .field label { display: block; font-size: 12px; color: var(--text-dim); margin-bottom: 5px; }
.modal .actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 18px; flex-wrap: wrap; }
.modal .actions .left { margin-right: auto; display: flex; gap: 8px; }

/* ---------- Login ---------- */
.login-wrap {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
  padding: 20px;
  text-align: center;
}
.login-wrap .tagline { color: var(--text-dim); max-width: 420px; }
.btn-google {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 22px;
  background: #fff;
  color: #1F1F1F;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  transition: filter 0.15s;
}
.btn-google:hover { filter: brightness(0.94); }
.auth-error {
  background: rgba(166, 91, 91, 0.15);
  border: 1px solid var(--danger);
  color: #E8B4B4;
  padding: 10px 16px;
  border-radius: var(--radius);
  font-size: 13px;
  max-width: 420px;
}

/* ---------- Category manager ---------- */
.cat-list { display: flex; flex-direction: column; gap: 8px; }
.cat-row {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 12px;
}
.cat-row input[type="color"] {
  width: 26px;
  height: 26px;
  border: none;
  background: none;
  padding: 0;
  cursor: pointer;
}
.cat-row .name { flex: 1; }

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--surface-2);
  border: 1px solid var(--accent);
  color: var(--text);
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 13px;
  z-index: 200;
  display: none;
}
.toast.show { display: block; }

/* ---------- Calendar ---------- */
.cal-nav { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.cal-title { font-size: 17px; margin: 0; }
.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}
.cal-dow { text-align: center; font-size: 11px; color: var(--text-dim); padding: 4px 0; }
.cal-dow.sun { color: #C98A8A; }
.cal-dow.sat { color: #7FA6D9; }
.cal-cell {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  min-height: 74px;
  padding: 4px 6px;
  position: relative;
}
.cal-cell.empty-cell { background: transparent; border-color: transparent; }
.cal-cell.today { border-color: var(--accent); }
.cal-cell.has-items { cursor: pointer; transition: border-color 0.15s; }
.cal-cell.has-items:hover { border-color: rgba(77, 195, 255, 0.45); }
.day-num { font-size: 11px; color: var(--text-dim); }
.cal-cell.today .day-num { color: var(--accent); font-weight: 600; }
.mini-thumbs { display: flex; gap: 2px; margin-top: 4px; flex-wrap: wrap; align-items: center; }
.mini-thumbs img, .mini-ph {
  width: 26px;
  height: 26px;
  object-fit: cover;
  border-radius: 4px;
  background: var(--surface-2);
}
.mini-ph { display: inline-flex; align-items: center; justify-content: center; font-size: 11px; color: var(--text-dim); }
.mini-thumbs .more { font-size: 10px; color: var(--text-dim); }
@media (max-width: 560px) {
  .cal-cell { min-height: 56px; padding: 3px 4px; }
  .mini-thumbs img, .mini-ph { width: 18px; height: 18px; }
}

.day-list { display: flex; flex-direction: column; gap: 8px; max-height: 55vh; overflow-y: auto; }
.day-item {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 8px;
  border-radius: 8px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  transition: border-color 0.15s;
}
.day-item:hover { border-color: var(--accent); }
.day-item img, .day-item-ph {
  width: 64px;
  height: 36px;
  object-fit: cover;
  border-radius: 5px;
  background: var(--bg);
  flex-shrink: 0;
}
.day-item-ph { display: inline-flex; align-items: center; justify-content: center; color: var(--text-dim); }
.day-item-title { font-size: 13px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.day-item-domain { font-size: 11px; color: var(--text-dim); }
.card .revive-btn { position: absolute; bottom: 8px; right: 8px; z-index: 2; }

/* ---------- LP ---------- */
.lp h1, .lp h2, .lp h3 { letter-spacing: 0.02em; }
.hero { position: relative; overflow: hidden; padding: 72px 20px 56px; text-align: center; }
.hero-orbits {
  position: absolute;
  top: -350px;
  right: -280px;
  width: 900px;
  height: 900px;
  pointer-events: none;
}
.hero-inner { position: relative; max-width: 1040px; margin: 0 auto; }
.hero h1 { font-size: clamp(30px, 5.5vw, 52px); margin: 0 0 18px; line-height: 1.3; }
.hero-lead { color: var(--text-dim); max-width: 640px; margin: 0 auto 28px; font-size: 15px; }
.hero-cta { font-size: 16px; }
.hero-shot {
  display: block;
  width: min(1000px, 100%);
  height: auto;
  margin: 44px auto 0;
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
}
.sp-only { display: none; }
@media (max-width: 480px) { .sp-only { display: inline; } }

.lp-section { max-width: 960px; margin: 0 auto; padding: 48px 20px; }
.lp-section h2 { text-align: center; font-size: 24px; margin: 0 0 32px; }
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; }
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
}
.feature-icon { font-size: 28px; margin-bottom: 10px; }
.feature-card h3 { margin: 0 0 10px; font-size: 16px; }
.feature-card p { margin: 0; color: var(--text-dim); font-size: 13.5px; }

.steps { max-width: 640px; margin: 0 auto; color: var(--text-dim); font-size: 14.5px; display: flex; flex-direction: column; gap: 14px; padding-left: 24px; }
.steps strong { color: var(--text); }

.faq { max-width: 720px; margin: 0 auto; display: flex; flex-direction: column; gap: 10px; }
.faq details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 18px;
}
.faq summary { cursor: pointer; font-size: 14.5px; font-weight: 600; }
.faq p { color: var(--text-dim); font-size: 13.5px; margin: 10px 0 0; }

.public-footer { border-top: 1px solid var(--border); margin-top: 40px; padding: 32px 20px; }
.footer-inner { max-width: 960px; margin: 0 auto; display: flex; flex-direction: column; gap: 10px; }
.footer-brand { display: flex; align-items: center; gap: 8px; font-weight: 600; }
.footer-desc { color: var(--text-dim); font-size: 13px; margin: 0; }
.footer-nav { display: flex; gap: 18px; flex-wrap: wrap; font-size: 13px; }
.footer-nav a { color: var(--text-dim); }
.footer-nav a:hover { color: var(--text); }

/* ---------- オンボーディング(0件時) ---------- */
.onboarding {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
  margin-bottom: 24px;
  text-align: center;
}
.onboarding h2 { margin: 0 0 10px; font-size: 18px; }
.onboarding p { color: var(--text-dim); font-size: 14px; margin: 0 0 16px; }

/* ---------- 静的ページ(規約等) ---------- */
.doc { max-width: 760px; margin: 0 auto; padding: 40px 20px; }
.doc h1 { font-size: 24px; }
.doc h2 { font-size: 17px; margin-top: 32px; }
.doc p, .doc li { color: var(--text-dim); font-size: 14px; }
.doc strong { color: var(--text); }
.doc .muted { font-size: 12px; margin-top: 32px; }