/* Kurage AI Trading Diary theme
   Palette / motifs adapted from kurage_knowledge.php */
:root {
  --ink: #17324d;
  --muted: #66839a;
  --sea: #55c7da;
  --line: #cbeef4;
  --accent: #2aa8c7;
  --accent2: #1e8fa8;
  --soft: #eef9fc;
  --paper: rgba(255, 255, 255, .92);
  --up: #1baf7a;
  --down: #d6453d;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  color: var(--ink);
  font-family: "Hiragino Sans", "Yu Gothic", Meiryo, sans-serif;
  background:
    radial-gradient(1300px 500px at 15% -8%, rgba(85, 199, 218, .18), transparent 55%),
    radial-gradient(900px 400px at 92% 5%, rgba(146, 230, 250, .14), transparent 50%),
    linear-gradient(160deg, #fff 0%, #edfbff 50%, #f5fff9 100%);
  min-height: 100vh;
  line-height: 1.7;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; }

header {
  position: sticky; top: 0; z-index: 40;
  background: rgba(255, 255, 255, .86);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 24px; gap: 12px;
}
.hbrand { display: flex; align-items: center; gap: 10px; font-weight: 900; font-size: 16px; }
.hbrand .kurage-avatar-stage { width: 34px; height: 34px; --kurage-avatar-size: 34px; }
.hbrand span sub { font-size: 11px; font-weight: 700; color: var(--muted); display: block; margin-top: -2px; }
.btn { border-radius: 999px; padding: 10px 18px; font-weight: 900; font-size: 13px; display: inline-flex; align-items: center; gap: 7px; }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent2)); color: #fff; box-shadow: 0 8px 20px rgba(42, 168, 199, .26); }
.btn-ghost { background: #fff; border: 1.5px solid var(--line); color: var(--muted); }
.product-switcher { background: rgba(240, 250, 252, .94); border-bottom: 1px solid var(--line); padding: 12px 24px 14px; }
.product-switcher-inner { max-width: 1040px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.product-family { min-width: 0; }
.family-label { display: block; margin: 0 0 6px 2px; color: #617f94; font-size: 10.5px; font-weight: 700; letter-spacing: .03em; }
.family-label b { color: var(--ink); font-size: 10px; letter-spacing: .12em; margin-right: 7px; }
.family-links { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
.product-link {
  min-width: 0; display: grid; grid-template-columns: 30px minmax(0, 1fr) 13px; align-items: center; gap: 9px;
  padding: 8px 10px; border: 1px solid #c7e8ee; border-radius: 11px; background: rgba(255, 255, 255, .9);
  box-shadow: 0 3px 10px rgba(25, 102, 122, .04); transition: border-color .16s, box-shadow .16s, transform .16s;
}
.product-link:hover { border-color: #74cddd; box-shadow: 0 7px 18px rgba(25, 137, 164, .11); transform: translateY(-1px); }
.product-link.is-active { border-color: var(--accent); background: #fff; box-shadow: inset 0 -2px 0 var(--accent), 0 6px 16px rgba(42, 168, 199, .12); }
.product-mark {
  width: 30px; height: 30px; display: grid; place-items: center; border-radius: 9px;
  color: #087f9b; background: linear-gradient(145deg, #ddf8fd, #f8feff); border: 1px solid #aee5ef;
  font-size: 9px; font-weight: 900; letter-spacing: .04em;
}
.product-mark.brain { color: #227a65; background: linear-gradient(145deg, #e2f8f1, #fbfffd); border-color: #b7e7d8; }
.product-link span:nth-child(2) { min-width: 0; }
.product-link b { display: block; color: var(--ink); font-size: 12px; line-height: 1.2; letter-spacing: .01em; }
.product-link small { display: block; margin-top: 2px; color: #6a879a; font-size: 9.5px; font-weight: 700; line-height: 1.2; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.product-link i { color: #69aebe; font-size: 12px; font-style: normal; }

.hero {
  max-width: 1040px; margin: 0 auto; padding: 48px 24px 24px;
  display: grid; grid-template-columns: 1.25fr .75fr; gap: 30px; align-items: center;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: #fff; border: 1.5px solid var(--line); border-radius: 999px;
  padding: 7px 14px; font-size: 12px; font-weight: 900; color: var(--accent); margin-bottom: 18px;
}
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--sea); animation: pulse 2s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: .5; transform: scale(.8); } }
h1.site-title { font-size: clamp(28px, 4.2vw, 46px); font-weight: 900; line-height: 1.15; letter-spacing: -.02em; margin-bottom: 14px; }
h1.site-title em { font-style: normal; color: var(--accent); }
.lead { font-size: 15px; line-height: 1.9; color: #35536a; max-width: 620px; }
.hero-avatar {
  background: var(--paper); border: 1.5px solid var(--line); border-radius: 28px;
  padding: 22px; text-align: center; box-shadow: 0 22px 70px rgba(42, 168, 199, .16);
}
.hero-avatar .kurage-avatar-stage { --kurage-avatar-size: 120px; margin-bottom: 10px; }
.hero-avatar h2 { font-size: 17px; margin-bottom: 6px; }
.hero-avatar p { font-size: 12.5px; color: #3f627a; line-height: 1.7; }

main.container { max-width: 1040px; margin: 0 auto; padding: 10px 24px 70px; display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: 30px; }
main.container.single { grid-template-columns: minmax(0, 1fr); max-width: 780px; }

.post-list { display: flex; flex-direction: column; gap: 18px; }
.post-card {
  background: var(--paper); border: 1.5px solid var(--line); border-radius: 24px;
  padding: 24px; box-shadow: 0 12px 36px rgba(19, 50, 61, .06);
  transition: transform .16s, box-shadow .16s;
}
.post-card:hover { transform: translateY(-2px); box-shadow: 0 18px 42px rgba(42, 168, 199, .14); }
.post-card .post-meta { display: flex; gap: 12px; align-items: center; font-size: 12px; color: var(--muted); font-weight: 700; margin-bottom: 8px; }
.post-card h2 { font-size: 21px; font-weight: 900; line-height: 1.4; margin-bottom: 10px; }
.post-card h2 a:hover { color: var(--accent); }
.post-card .excerpt { font-size: 13.5px; color: #3f627a; line-height: 1.8; margin-bottom: 14px; }
.read-more {
  display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 900; color: var(--accent2);
  border: 1px solid #b8e8f1; background: #ecfbff; border-radius: 999px; padding: 7px 14px;
}

.taxonomy { display: flex; gap: 7px; flex-wrap: wrap; margin-top: 12px; }
.taxonomy a {
  font-size: 11px; font-weight: 900; color: #526f83; background: #fff;
  border: 1px solid #d7edf3; border-radius: 999px; padding: 5px 10px;
}
.taxonomy a.category { color: var(--accent2); background: #e6f8fb; border-color: #b8e8f1; }

/* Single post */
.post-single {
  background: var(--paper); border: 1.5px solid var(--line); border-radius: 28px;
  padding: 34px; box-shadow: 0 22px 70px rgba(42, 168, 199, .12);
}
.post-single h1 { font-size: clamp(26px, 4vw, 38px); font-weight: 900; line-height: 1.35; margin-bottom: 14px; letter-spacing: -.01em; }
.post-single .post-meta { margin-bottom: 22px; }
.post-single .content { font-size: 16px; line-height: 1.95; color: #263f57; }
.post-single .content p { margin-bottom: 1.3em; }
.post-single .content h2 { font-size: 22px; font-weight: 900; margin: 1.6em 0 .7em; color: var(--ink); }
.post-single .content h3 { font-size: 18px; font-weight: 900; margin: 1.4em 0 .6em; }
.post-single .content strong { color: var(--ink); }
.post-single .content hr { border: none; border-top: 1px solid var(--line); margin: 2em 0; }
.post-single .content a { color: var(--accent2); text-decoration: underline; text-underline-offset: 3px; }
.post-single .content ul, .post-single .content ol { margin: 0 0 1.3em 1.4em; }

.presenter-card {
  display: flex; align-items: center; gap: 16px; background: #f3fcff;
  border: 1px solid #d8f1f6; border-radius: 20px; padding: 16px 18px; margin-bottom: 24px;
}
.presenter-card .kurage-avatar-stage { --kurage-avatar-size: 56px; flex-shrink: 0; }
.presenter-card .ptxt b { display: block; font-size: 14px; }
.presenter-card .ptxt span { font-size: 12px; color: var(--muted); }

/* Sidebar */
.sidebar { display: flex; flex-direction: column; gap: 16px; }
.side-card { background: var(--paper); border: 1.5px solid var(--line); border-radius: 20px; padding: 18px; box-shadow: 0 10px 28px rgba(19, 50, 61, .05); }
.side-card h3 { font-size: 13px; font-weight: 900; color: var(--accent); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 12px; }
.side-card ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.side-card li a { font-size: 13px; color: #35536a; line-height: 1.5; display: block; }
.side-card li a:hover { color: var(--accent); }
.side-card p { font-size: 12.5px; color: #3f627a; line-height: 1.7; }
.side-card .btn { width: 100%; justify-content: center; margin-top: 10px; }

.paginator { display: flex; justify-content: center; gap: 10px; margin-top: 28px; grid-column: 1 / -1; }
.paginator a { background: #fff; border: 1.5px solid var(--line); border-radius: 999px; padding: 9px 18px; font-size: 13px; font-weight: 900; color: var(--accent2); }
.paginator a:hover { background: var(--soft); }

footer.site-footer {
  border-top: 1px solid var(--line); background: rgba(255, 255, 255, .72);
  padding: 26px 24px; color: var(--muted); font-size: 13px; text-align: center;
}
footer.site-footer a { color: var(--accent2); font-weight: 700; }
footer.site-footer .disclosure { max-width: 640px; margin: 8px auto 0; font-size: 11.5px; color: #7d93a4; line-height: 1.7; }

.empty { background: #fff; border: 1.5px solid var(--line); border-radius: 24px; padding: 34px; line-height: 1.8; color: #3f627a; text-align: center; }

@media (max-width: 860px) {
  header { padding: 10px 16px; }
  .hero { grid-template-columns: 1fr; padding: 30px 18px 18px; }
  main.container { grid-template-columns: 1fr; padding: 10px 18px 56px; }
  .btn-ghost { display: none; }
  .post-single { padding: 22px; }
  .product-switcher { padding: 10px 12px 12px; }
  .product-switcher-inner { gap: 10px; }
  .family-label { margin-left: 0; font-size: 9px; }
  .family-label b { display: block; margin-bottom: 1px; font-size: 9px; }
  .family-links { grid-template-columns: 1fr; gap: 5px; }
  .product-link { grid-template-columns: 25px minmax(0, 1fr); gap: 7px; padding: 6px 7px; border-radius: 9px; }
  .product-mark { width: 25px; height: 25px; border-radius: 7px; font-size: 8px; }
  .product-link b { font-size: 11px; }
  .product-link small { font-size: 8.5px; }
  .product-link i { display: none; }
}