@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=IBM+Plex+Sans+JP:wght@400;500;600;700&display=swap');

:root {
  --bg: #0b0d10;
  --bg-raised: #131619;
  --bg-raised-2: #171b1f;
  --border: #262b31;
  --border-soft: #1b2025;
  --text: #ece8e0;
  --text-dim: #9aa1a9;
  --text-faint: #5c636b;
  --accent: #ffb454;
  --accent-strong: #ff9d2e;
  --accent-dim: #7a5a30;
  --ok: #5eeb8f;
  --ok-dim: #244334;
  --warn: #f2545b;

  --mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, monospace;
  --sans: 'IBM Plex Sans JP', 'Hiragino Sans', 'Noto Sans JP', sans-serif;

  --max-w: 760px;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  position: relative;
  overflow-x: hidden;
}

/* atmosphere: faint scanline + dot grid, no perf cost */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(ellipse 100% 60% at 50% 0%, black 40%, transparent 100%);
}

a {
  color: inherit;
}

.wrap {
  position: relative;
  z-index: 1;
  max-width: 100%;
  margin: 0 auto;
  padding: 0 20px;
}

@media (min-width: 640px) {
  .wrap { padding: 0 32px; }
}

@media (min-width: 860px) {
  .wrap {
    /* fluid: keeps growing with the viewport instead of freezing at a
       fixed width, so wide monitors don't read as a stranded column */
    max-width: min(1360px, 94vw);
    padding: 0 48px;
  }
}

@media (min-width: 1600px) {
  .wrap { padding: 0 64px; }
}

/* ---------- Brand mark ---------- */

.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  border: 1.5px solid var(--accent-dim);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-weight: 600;
  font-size: 15px;
  color: var(--accent);
  flex: none;
}

/* ---------- Hero ---------- */

.hero {
  padding: 96px 0 64px;
}

@media (min-width: 860px) {
  .hero { padding: 128px 0 76px; }
}

.hero__top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
  opacity: 0;
  animation: rise 0.6s ease-out forwards;
}

.hero__eyebrow {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ok);
  display: flex;
  align-items: center;
  gap: 10px;
}

.hero__eyebrow .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 0 rgba(94,235,143,0.5);
  animation: pulse 2.2s infinite;
  flex: none;
}

.hero__lines {
  font-size: clamp(20px, 2.6vw, 34px);
  font-weight: 500;
  color: var(--text);
  margin: 0 0 40px;
  max-width: 27ch;
}

@media (min-width: 860px) {
  .hero__lines { max-width: 30ch; }
}

.hero__lines span {
  display: block;
  opacity: 0;
  transform: translateY(10px);
  animation: rise 0.7s ease-out forwards;
}

.hero__lines span:nth-child(1) { animation-delay: 0.08s; }
.hero__lines span:nth-child(2) { animation-delay: 0.22s; color: var(--text-dim); font-size: 0.72em; font-weight: 400; margin-top: 0.6em; }
.hero__lines span:nth-child(3) { animation-delay: 0.36s; color: var(--text-dim); font-size: 0.72em; font-weight: 400; }

.cta-x {
  opacity: 0;
  animation: rise 0.7s ease-out forwards;
  animation-delay: 0.5s;
}

.btn-follow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: #1a1206;
  font-family: var(--mono);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  padding: 13px 22px;
  border-radius: 8px;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  box-shadow: 0 0 0 rgba(255,180,84,0);
}

.btn-follow:hover {
  background: var(--accent-strong);
  transform: translateY(-1px);
  box-shadow: 0 6px 24px -6px rgba(255,157,46,0.55);
}

.btn-follow svg { width: 16px; height: 16px; }

/* ---------- Section label ---------- */

.section-label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--text-faint);
  margin: 0 0 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-soft);
}

/* ---------- Product cards ---------- */

.products {
  padding-bottom: 56px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  align-items: stretch;
}

@media (min-width: 860px) {
  .products {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
  }
}

@media (min-width: 1600px) {
  .products { gap: 32px; }
  .card { padding: 32px 32px 26px; }
}

.card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 26px 26px 22px;
  opacity: 0;
  transform: translateY(14px);
  animation: rise 0.6s ease-out forwards;
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.card__actions {
  margin-top: auto;
  padding-top: 4px;
}

.card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--accent-dim);
  transition: background 0.2s ease;
}

.card:hover {
  border-color: #34393f;
  transform: translateY(-2px);
}

.card:hover::before {
  background: var(--accent);
}

.card__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}

.card__title-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.card__icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  flex: none;
  object-fit: cover;
  border: 1px solid var(--border);
}

.card__name {
  font-size: 19px;
  font-weight: 700;
  margin: 0;
}

.card__name-en {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-faint);
}

.status {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-dim);
  display: inline-flex;
  align-items: center;
  gap: 7px;
  white-space: nowrap;
}

.status .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 0 rgba(94,235,143,0.5);
  animation: pulse 2.4s infinite;
}

.status.is-paused .dot {
  background: var(--text-faint);
  box-shadow: none;
  animation: none;
}

.card__tagline {
  color: var(--text-dim);
  font-size: 15px;
  margin: 4px 0 18px;
}

.card__learning {
  font-size: 14.5px;
  color: var(--text);
  background: var(--bg-raised-2);
  border-left: 2px solid var(--accent-dim);
  padding: 12px 16px;
  border-radius: 0 6px 6px 0;
  margin: 0 0 16px;
}

.card__learning::before {
  content: '学び — ';
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--accent);
  display: block;
  margin-bottom: 4px;
}

.card__learning.is-empty {
  color: var(--text-faint);
  font-style: italic;
  border-left-color: var(--border);
}

.card__updates {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.card__update {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--text-faint);
  display: flex;
  gap: 10px;
  align-items: baseline;
  margin: 0;
}

.card__update .date {
  color: var(--text-dim);
  flex: none;
}

.card__update .glyph {
  color: var(--accent-dim);
}

.card__actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.btn {
  font-family: var(--mono);
  font-size: 13px;
  text-decoration: none;
  padding: 9px 16px;
  border-radius: 7px;
  border: 1px solid var(--border);
  color: var(--text);
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.btn svg {
  width: 14px;
  height: 14px;
  flex: none;
}

.btn:hover {
  border-color: var(--accent-dim);
  background: var(--bg-raised-2);
  transform: translateY(-1px);
}

.btn--primary {
  border-color: var(--accent-dim);
  color: var(--accent);
}

.btn--primary:hover {
  border-color: var(--accent);
  background: rgba(255,180,84,0.08);
}

/* ---------- Footer ---------- */

footer {
  border-top: 1px solid var(--border-soft);
  padding: 32px 0 64px;
}

.footer__links {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 13px;
  margin-bottom: 16px;
}

.footer__links a {
  text-decoration: none;
  color: var(--text-dim);
  transition: color 0.15s ease, transform 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.footer__links a:hover {
  color: var(--accent);
  transform: translateY(-1px);
}

.footer__links svg {
  width: 16px;
  height: 16px;
  flex: none;
}

.footer__meta {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--text-faint);
}

/* ---------- Animations ---------- */

@keyframes rise {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(94,235,143,0.45); }
  70% { box-shadow: 0 0 0 8px rgba(94,235,143,0); }
  100% { box-shadow: 0 0 0 0 rgba(94,235,143,0); }
}

@media (max-width: 480px) {
  .hero { padding: 64px 0 44px; }
  .card { padding: 20px 18px 18px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition: none !important; }
}