/* Tokumaru Labs — shared site styles.
   Static only: no JavaScript, no external fonts, no analytics, no CDN. */

:root {
  --navy: #0f1720;
  --navy-2: #0b121a;
  --navy-3: #16202b;
  --ink: #1c1f23;
  --ink-soft: #4b5563;
  --ink-faint: #8a919c;
  --line: #e6e8ec;
  --surface: #ffffff;
  --surface-sunken: #f5f6f8;
  --accent: #2f6fd0;
  --cyan: #22a5e6;
  --amber: #ffd23f;
  --orange: #ff8a1f;
  /* Progress-band motif: blue -> cyan -> amber -> orange */
  --seg-blue: #2563eb;
  --seg-cyan: #22a5e6;
  --seg-amber: #ffd23f;
  --seg-orange: #ff8a1f;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", "Hiragino Kaku Gothic ProN",
    "Noto Sans JP", Meiryo, sans-serif;
  line-height: 1.7;
}

a { color: var(--accent); }
a:hover { text-decoration: underline; }

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 3px;
}

img { max-width: 100%; height: auto; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--navy);
  color: #fff;
  padding: 10px 16px;
  z-index: 10;
}
.skip-link:focus { left: 8px; top: 8px; }

.wrap { max-width: 760px; margin: 0 auto; padding: 32px 20px 72px; }
.wrap--wide { max-width: 1120px; }

/* ---------- segment motif ---------- */
.seg {
  display: flex;
  gap: 4px;
  height: 6px;
  margin-bottom: 24px;
  max-width: 260px;
}
.seg span { flex: 1; border-radius: 3px; background: var(--line); }
.seg span:nth-child(1) { background: var(--seg-blue); }
.seg span:nth-child(2) { background: var(--seg-cyan); }
.seg span:nth-child(3) { background: var(--seg-amber); }
.seg span:nth-child(4) { background: var(--seg-orange); }

/* ---------- top navigation ---------- */
.topbar {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}
.topbar__inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.topbar__brand {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.2px;
  text-decoration: none;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.topbar__mark {
  display: inline-flex;
  gap: 2px;
}
.topbar__mark i { width: 4px; height: 16px; border-radius: 2px; display: block; }
.topbar__mark i:nth-child(1) { background: var(--seg-blue); }
.topbar__mark i:nth-child(2) { background: var(--seg-cyan); }
.topbar__mark i:nth-child(3) { background: var(--seg-amber); }
.topbar__mark i:nth-child(4) { background: var(--seg-orange); }
.topnav { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
.topnav a { color: var(--ink-soft); text-decoration: none; font-size: 0.95rem; }
.topnav a:hover { color: var(--accent); text-decoration: none; }

/* ---------- hero ---------- */
.hero {
  background: var(--navy);
  color: #eef2f7;
  border-bottom: 1px solid var(--navy-2);
}
.hero__inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 72px 20px 64px;
}
.hero h1 {
  font-size: clamp(2rem, 6vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -1px;
  margin: 0 0 20px;
  color: #fff;
}
.hero__lead { font-size: 1.15rem; max-width: 620px; margin: 0 0 8px; color: #c7d2de; }
.hero__lead-ja { font-size: 1rem; max-width: 620px; margin: 0; color: #93a2b4; }
.hero__seg {
  display: flex;
  gap: 5px;
  height: 8px;
  max-width: 420px;
  margin: 0 0 34px;
}
.hero__seg span { flex: 1; border-radius: 3px; opacity: 0.9; }
.hero__seg span:nth-child(5n+1) { background: var(--seg-blue); }
.hero__seg span:nth-child(5n+2) { background: var(--seg-cyan); }
.hero__seg span:nth-child(5n+3) { background: #5fd0c0; }
.hero__seg span:nth-child(5n+4) { background: var(--seg-amber); }
.hero__seg span:nth-child(5n+5) { background: var(--seg-orange); }

/* ---------- sections ---------- */
.section { padding: 56px 0 8px; }
.section > h2 {
  font-size: 1.5rem;
  margin: 0 0 4px;
  border: 0;
  padding: 0;
}
.section__sub { color: var(--ink-soft); margin: 0 0 24px; }

/* ---------- product cards ---------- */
.products {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}
.pcard {
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: var(--surface);
  display: flex;
  flex-direction: column;
}
.pcard__media {
  aspect-ratio: 16 / 10;
  background: var(--navy);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.pcard__media img { width: 100%; height: 100%; object-fit: cover; object-position: left center; display: block; }
.pcard__body { padding: 20px 22px 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.pcard__kind {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
}
.pcard__title { font-size: 1.25rem; margin: 0; }
.pcard__title a { color: var(--ink); text-decoration: none; }
.pcard__title a:hover { color: var(--accent); }
.pcard__desc { margin: 0; color: var(--ink-soft); font-size: 0.97rem; }
.pcard__desc-ja { margin: 0; color: var(--ink-faint); font-size: 0.9rem; }
.pcard__actions { margin-top: auto; padding-top: 6px; display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------- abstract product visuals (no screenshot) ---------- */
.visual {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 22px;
}
.visual--cockpit {
  background:
    radial-gradient(120% 90% at 20% 10%, #1B3A4B 0%, transparent 55%),
    linear-gradient(160deg, #10181f 0%, #0b121a 100%);
}
.visual--transcript {
  background: linear-gradient(160deg, #12202b 0%, #0d1620 100%);
}
.visual__lines { width: 78%; display: flex; flex-direction: column; gap: 9px; }
.visual__lines span { height: 8px; border-radius: 4px; background: rgba(159,179,200,0.28); }
.visual__lines span:nth-child(1) { width: 92%; background: rgba(95,168,201,0.55); }
.visual__lines span:nth-child(2) { width: 74%; }
.visual__lines span:nth-child(3) { width: 84%; }
.visual__lines span:nth-child(4) { width: 60%; background: rgba(255,210,63,0.5); }
.visual__lines span:nth-child(5) { width: 80%; }
.visual__tabs { display: flex; gap: 6px; width: 82%; }
.visual__tabs i { height: 26px; border-radius: 6px 6px 0 0; flex: 1; background: #0b121a; }
.visual__tabs i.active { background: #1B3A4B; box-shadow: inset 0 -3px 0 var(--cyan); flex: 1.6; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 8px;
  text-decoration: none;
  border: 1px solid var(--line);
  color: var(--ink);
  background: var(--surface);
  line-height: 1.2;
}
.btn:hover { border-color: var(--accent); text-decoration: none; }
.btn--primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn--primary:hover { background: #285fb4; }
.btn--ghost { color: var(--ink-soft); }
.btn--soon {
  color: var(--ink-faint);
  background: var(--surface-sunken);
  border-style: dashed;
  cursor: default;
}
.btn[aria-disabled="true"] { pointer-events: none; }

/* ---------- philosophy ---------- */
.philosophy { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.phil { border-top: 3px solid var(--line); padding-top: 14px; }
.phil:nth-child(1) { border-top-color: var(--seg-blue); }
.phil:nth-child(2) { border-top-color: var(--seg-cyan); }
.phil:nth-child(3) { border-top-color: var(--orange); }
.phil h3 { margin: 0 0 4px; font-size: 1.05rem; }
.phil p { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }
.phil p .ja { display: block; color: var(--ink-faint); font-size: 0.88rem; }

.about-note { margin-top: 26px; color: var(--ink-soft); }
.about-note .ja { color: var(--ink-faint); }

/* ---------- content-page pieces (product + privacy) ---------- */
.site-head { margin-bottom: 8px; }
.brand { font-size: 1.6rem; font-weight: 700; letter-spacing: -0.3px; margin: 0 0 6px; }
.tagline { color: var(--ink-soft); margin: 0; }

h1 { font-size: 1.5rem; margin: 0 0 10px; }
h2 { font-size: 1.15rem; margin: 32px 0 8px; padding-top: 8px; border-top: 1px solid var(--line); }
h3 { font-size: 1rem; margin: 20px 0 4px; }

.meta { color: var(--ink-soft); font-size: 0.9rem; margin: 0; }
.meta strong { color: var(--ink); }

ul { padding-left: 1.3em; }
li { margin: 4px 0; }

.card {
  display: block;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 20px 22px;
  margin: 20px 0;
  text-decoration: none;
  color: inherit;
  background: var(--surface);
}
.card:hover { border-color: var(--accent); text-decoration: none; }
.card h2 { border: 0; padding: 0; margin: 0 0 6px; }
.card p { margin: 0; color: var(--ink-soft); }

.pill {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--ink-soft);
  background: var(--surface-sunken);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px 10px;
}

.shot {
  border: 1px solid var(--line);
  border-radius: 10px;
  margin: 18px 0;
  display: block;
}

.feature-list { padding-left: 1.2em; }
.feature-list li { margin: 6px 0; }
.lead { font-size: 1.1rem; color: var(--ink-soft); }
.lead-ja { color: var(--ink-faint); margin-top: 4px; }

code {
  background: var(--surface-sunken);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1px 5px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.88em;
}

.lang-note { color: var(--ink-soft); font-size: 0.9rem; }
section.en { margin-top: 8px; }

nav.crumbs { font-size: 0.85rem; color: var(--ink-faint); margin-bottom: 18px; }
nav.crumbs a { color: var(--ink-soft); }

footer {
  margin-top: 56px;
  color: var(--ink-faint);
  font-size: 0.85rem;
  border-top: 1px solid var(--line);
  padding-top: 20px;
}
.foot-grid { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-bottom: 10px; }
.foot-grid a { color: var(--ink-soft); }
.foot-note { color: var(--ink-faint); }

/* ---------- responsive ---------- */
@media (max-width: 720px) {
  .products { grid-template-columns: 1fr; }
  .philosophy { grid-template-columns: 1fr; }
  .hero__inner { padding: 52px 20px 44px; }
}
@media (max-width: 480px) {
  .wrap { padding: 24px 16px 56px; }
  .brand { font-size: 1.35rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}