@charset "UTF-8";
/* ============================================================
   Straker AI Dubbing — straker.jp
   デザイントークンは Brand Guide（配色・タイポグラフィ）に準拠
   ============================================================ */

/* ── Design tokens ─────────────────────────────────────────── */
:root {
  /* Primary */
  --ocean:        #1B5E8F;
  --ocean-deep:   #164D75;
  --ink:          #0F1419;
  --cream:        #FAF8F3;
  /* Secondary */
  --sky:          #7FB3D9;
  --slate:        #2A3F52;
  --pale:         #E8F2F9;
  /* Accent */
  --amber:        #B26010;
  --amber-deep:   #8E4D0D;
  /* Functional */
  --teal:         #1A7A5E;
  --steel:        #8E9AAA;
  --mist:         #94A3B8;
  --rule:         #E5E2DA;
  --rule-strong:  #D7D2C5;

  /* Type */
  --font-display: 'Plus Jakarta Sans', 'Noto Sans JP', ui-sans-serif, system-ui, sans-serif;
  --font-body:    'Inter', 'Noto Sans JP', ui-sans-serif, system-ui, sans-serif;
  --font-mono:    'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Layout */
  --wrap:         1140px;
  --wrap-narrow:  720px;
  --gutter:       20px;
  --radius:       4px;
  --radius-btn:   2px;
  --header-h:     64px;
}

/* ── Reset / base ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

/* hidden 属性は、後続の display 指定に負けないようにする */
[hidden] { display: none !important; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  font-feature-settings: "palt";
  -webkit-font-smoothing: antialiased;
}

img, svg, video { display: block; max-width: 100%; }
video { height: auto; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.28;
  margin: 0;
}

p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }

a { color: var(--ocean); text-decoration-thickness: 1px; text-underline-offset: 3px; }

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

.mono {
  font-family: var(--font-mono);
  font-weight: 500;
  font-feature-settings: normal;
}

.skip-link {
  position: absolute;
  left: 12px; top: -60px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--ink);
  color: #fff;
  font-size: 13px;
  text-decoration: none;
  transition: top .18s ease;
}
.skip-link:focus { top: 12px; }

/* ── Layout helpers ────────────────────────────────────────── */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.wrap--narrow { max-width: var(--wrap-narrow); }

.section { padding: 72px 0; }
.section--demo { background: #fff; border-block: 1px solid var(--rule); }
.section--about { background: #fff; border-block: 1px solid var(--rule); }
.section--contact { padding-bottom: 88px; }

.eyebrow {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ocean);
  margin-bottom: 14px;
  font-feature-settings: normal;
}

.section__title {
  font-size: 28px;
  letter-spacing: -0.025em;
  color: var(--ocean);
  margin-bottom: 16px;
}

.section__lead {
  color: var(--slate);
  font-size: 15px;
  margin-bottom: 32px;
}

.section__subtitle {
  font-size: 22px;
  letter-spacing: -0.02em;
  color: var(--ocean);
  margin-bottom: 12px;
}

.section-rule {
  height: 0;
  margin: 48px 0 40px;
  border: 0;
  border-top: 1px solid var(--rule);
}

/* ── 主張ブロック（7% / 93%） ──────────────────────────────── */
.claim {
  margin: 8px 0 40px;
  padding: 26px 24px;
  background: var(--pale);
  border-radius: var(--radius);
  border-left: 3px solid var(--ocean);
}
.claim__lead {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 18px;
  letter-spacing: -0.02em;
  line-height: 1.5;
  color: var(--ocean);
  margin-bottom: 12px;
}
.claim__body {
  font-size: 14.5px;
  line-height: 1.95;
  color: var(--slate);
}
.claim__body strong {
  font-weight: 600;
  color: var(--ink);
}
.claim__body em {
  font-style: normal;
  border-bottom: 1px solid var(--rule-strong);
}
.claim__kicker {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid rgba(27,94,143,.18);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 15.5px;
  letter-spacing: -0.01em;
  color: var(--ink);
}

/* ── 工程（AI Dubbingとは） ─────────────────────────────────── */
.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}
.step {
  position: relative;
  padding: 22px 0 22px 52px;
  border-top: 1px solid var(--rule);
}
.step:last-child { border-bottom: 1px solid var(--rule); }
.step__num {
  position: absolute;
  left: 0;
  top: 24px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber);
}
.step__title {
  font-size: 17px;
  color: var(--ink);
  margin-bottom: 6px;
}
.step__body {
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--slate);
}

.notice {
  border: 1px solid var(--rule-strong);
  border-left: 3px solid var(--amber);
  background: #fff;
  padding: 12px 16px;
  font-size: 14px;
  color: var(--slate);
  margin-bottom: 24px;
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: var(--radius-btn);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .18s ease, transform .18s ease, box-shadow .18s ease;
}
.btn-primary {
  background: var(--amber);
  border: 1px solid var(--amber-deep);
  color: #fff;
  box-shadow: 0 1px 0 rgba(15,20,25,.04), 0 8px 18px -10px rgba(178,96,16,.45);
}
.btn-primary:hover { background: var(--amber-deep); }
.btn-primary:active { transform: translateY(1px); }


/* ── ① Header ──────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250,248,243,.72);
  border-bottom: 1px solid transparent;
  transition: background-color .2s ease, border-color .2s ease, box-shadow .2s ease;
}
@supports (backdrop-filter: blur(8px)) or (-webkit-backdrop-filter: blur(8px)) {
  .site-header { -webkit-backdrop-filter: saturate(180%) blur(10px); backdrop-filter: saturate(180%) blur(10px); }
}
.site-header.is-scrolled {
  background: rgba(250,248,243,.92);
  border-bottom-color: var(--rule);
  box-shadow: 0 1px 12px -6px rgba(15,20,25,.25);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  gap: 16px;
}

.brand { display: inline-flex; align-items: center; flex: 0 0 auto; }
.brand img { width: 118px; height: auto; }

.site-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
}
.site-nav a {
  display: inline-block;
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--slate);
  text-decoration: none;
  border-radius: var(--radius-btn);
  transition: color .16s ease, background-color .16s ease;
}
.site-nav a:hover { color: var(--ocean); background: var(--pale); }
.site-nav .nav-cta {
  margin-left: 10px;
  padding: 11px 18px;
  background: var(--amber);
  border: 1px solid var(--amber-deep);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 1px 0 rgba(15,20,25,.04), 0 8px 18px -12px rgba(178,96,16,.45);
}
.site-nav .nav-cta:hover { background: var(--amber-deep); color: #fff; }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  padding: 11px;
  background: transparent;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius-btn);
  cursor: pointer;
}
.nav-toggle__bar {
  display: block;
  height: 1.5px;
  background: var(--ink);
  transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle__bar + .nav-toggle__bar { margin-top: 5px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── ② Hero ────────────────────────────────────────────────── */
.hero {
  position: relative;
  overflow: hidden;
  padding: 72px 0 80px;
}
.hero__kv {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(1100px 520px at 78% -12%, rgba(127,179,217,.38), transparent 62%),
    radial-gradient(760px 460px at 4% 108%, rgba(27,94,143,.16), transparent 64%),
    linear-gradient(168deg, var(--pale) 0%, var(--cream) 58%);
}
.hero__kv::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 62%, var(--cream) 100%);
}
.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
  align-items: center;
}

.hero__title {
  font-size: clamp(28px, 5.4vw, 44px);
  line-height: 1.22;
  letter-spacing: -0.03em;
  color: var(--ocean);
  margin-bottom: 24px;
}
.hero__lead {
  font-size: 16px;
  line-height: 1.9;
  color: var(--slate);
  margin-bottom: 32px;
}
/* ── Hero：縦長デモ（左右2本を同時に表示） ─────────────────── */
.hero__demo {
  margin: 0;
  width: 100%;
}

.hero__pair {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.hero__item { margin: 0; min-width: 0; }

.hero__item-label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px;
  margin-bottom: 6px;
}
.hero__item-name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 12.5px;
  letter-spacing: -0.01em;
  color: var(--ink);
  white-space: nowrap;
}
.hero__item-audio {
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--steel);
  white-space: nowrap;
  font-feature-settings: normal;
}
.hero__item.is-audio-active .hero__item-audio { color: var(--teal); }

.hero__demo-frame {
  position: relative;
  aspect-ratio: 9 / 16;
  border-radius: 12px;
  overflow: hidden;
  background: var(--ink);
  border: 2px solid rgba(15,20,25,.10);
  box-shadow:
    0 20px 44px -22px rgba(15,20,25,.42),
    0 6px 16px -12px rgba(27,94,143,.32);
  transition: border-color .18s ease, box-shadow .18s ease;
}
.hero__item.is-audio-active .hero__demo-frame {
  border-color: var(--ocean);
  box-shadow:
    0 0 0 3px rgba(27,94,143,.14),
    0 20px 44px -22px rgba(15,20,25,.42);
}

.hero__demo-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: var(--ink);
}

/* クリックで音声を切り替える透明ボタン */
.hero__demo-hit {
  position: absolute;
  inset: 0;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}
.hero__demo-hit span {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
.hero__item:not(.is-audio-active) .hero__demo-hit:hover,
.hero__item:not(.is-audio-active) .hero__demo-hit:focus-visible {
  background: rgba(27,94,143,.14);
}
.hero__demo-hit:disabled { cursor: default; }

.hero__demo-missing {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 16px;
  text-align: center;
  border-radius: 12px;
  background: repeating-linear-gradient(135deg, #223243 0 12px, #26374a 12px 24px);
  color: #fff;
}
.hero__demo-missing p { font-size: 12.5px; }
.hero__demo-missing .mono { font-size: 9.5px; color: var(--sky); word-break: break-all; }

.hero__demo-caption {
  margin-top: 12px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--steel);
  text-align: center;
}

/* ── ③ デモ ────────────────────────────────────────────────── */
.demo + .demo {
  margin-top: 48px;
  padding-top: 44px;
  border-top: 1px solid var(--rule);
}
/* 独立ブロック（見出しを自前で持つデモ）は区切り線を重ねない */
.demo--standalone,
.demo--standalone + .demo {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}
.demo__title {
  font-size: 19px;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 16px;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}
.tab {
  padding: 9px 16px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--slate);
  background: transparent;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius-btn);
  cursor: pointer;
  transition: all .16s ease;
}
.tab:hover { background: var(--pale); color: var(--ocean); }
.tab.is-active {
  background: var(--ocean);
  border-color: var(--ocean-deep);
  color: #fff;
}


.demo-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.demo-item { margin: 0; }

.demo-item__label {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}
.demo-item__name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 15px;
  color: var(--ink);
}
.demo-item__lang {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slate);
  background: var(--pale);
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 3px 9px;
  font-feature-settings: normal;
}
.demo-item__audio {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--steel);
  font-feature-settings: normal;
}
.demo-item.is-audio-active .demo-item__audio { color: var(--teal); }

.demo-item__stage {
  position: relative;
  border: 2px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink);
  transition: border-color .18s ease, box-shadow .18s ease;
}
.demo-item.is-audio-active .demo-item__stage {
  border-color: var(--ocean);
  box-shadow: 0 0 0 3px rgba(27,94,143,.12);
}
.demo-item__stage video {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: var(--ink);
}

/* クリック（またはキーボード）で音声を切り替える透明ボタン */
.demo-item__hit {
  position: absolute;
  inset: 0;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}
.demo-item__hit span {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
.demo-item:not(.is-audio-active) .demo-item__hit:hover,
.demo-item:not(.is-audio-active) .demo-item__hit:focus-visible {
  background: rgba(27,94,143,.14);
}

.demo-item__missing {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  text-align: center;
  padding: 16px;
  background: repeating-linear-gradient(135deg, #223243 0 12px, #26374a 12px 24px);
  color: #fff;
}
.demo-item__missing p { font-size: 14px; }
.demo-item__missing .mono { font-size: 11px; color: var(--sky); word-break: break-all; }

/* 独立再生（通訳との比較など、尺が揃わないペア） */
.demo-note {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--slate);
  background: var(--pale);
  border-left: 3px solid var(--ocean);
  padding: 12px 16px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin-bottom: 20px;
}

.demo-item__dur {
  margin-left: auto;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--slate);
  font-variant-numeric: tabular-nums;
}
.demo-item.is-audio-active .demo-item__dur { color: var(--ocean); }

.demo-panel--independent .demo-item .player-bar { margin-top: 10px; }

.demo-compare {
  margin-top: 18px;
  padding: 12px 16px;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  background: #fff;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--ink);
  text-align: center;
  font-feature-settings: normal;
}

.player-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  padding: 12px 14px;
  background: var(--cream);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
}
.player-bar__play {
  flex: 0 0 auto;
  width: 42px; height: 42px;
  display: grid;
  place-items: center;
  background: var(--ocean);
  border: 1px solid var(--ocean-deep);
  border-radius: 50%;
  cursor: pointer;
}
.player-bar__play svg { width: 20px; height: 20px; fill: #fff; grid-area: 1 / 1; }
.player-bar__play .icon-pause { display: none; }
.player-bar.is-playing .icon-play { display: none; }
.player-bar.is-playing .icon-pause { display: block; }
.player-bar__play:hover { background: var(--ocean-deep); }
.player-bar__play:disabled { background: var(--steel); border-color: var(--steel); cursor: not-allowed; }

.player-bar__time {
  flex: 0 0 auto;
  font-size: 12px;
  color: var(--slate);
  font-variant-numeric: tabular-nums;
}

.player-bar__seek {
  flex: 1 1 auto;
  min-width: 0;
  height: 22px;
  margin: 0;
  background: transparent;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}
.player-bar__seek::-webkit-slider-runnable-track {
  height: 4px;
  border-radius: 999px;
  background: var(--rule-strong);
}
.player-bar__seek::-moz-range-track {
  height: 4px;
  border-radius: 999px;
  background: var(--rule-strong);
}
.player-bar__seek::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px; height: 14px;
  margin-top: -5px;
  border: 0;
  border-radius: 50%;
  background: var(--ocean);
}
.player-bar__seek::-moz-range-thumb {
  width: 14px; height: 14px;
  border: 0;
  border-radius: 50%;
  background: var(--ocean);
}
.player-bar__seek:disabled { opacity: .5; cursor: not-allowed; }

/* ── ④ 特徴 ────────────────────────────────────────────────── */
.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 8px;
}
.card {
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 28px 26px;
}
.card__icon {
  display: grid;
  place-items: center;
  width: 46px; height: 46px;
  margin-bottom: 18px;
  border-radius: var(--radius);
  background: var(--pale);
}
.card__icon svg {
  width: 26px; height: 26px;
  fill: none;
  stroke: var(--ocean);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.card__title {
  font-size: 18px;
  color: var(--ink);
  margin-bottom: 10px;
}
.card__body {
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--slate);
}

.stat-note {
  margin-top: 24px;
  padding-left: 14px;
  border-left: 2px solid var(--rule-strong);
  font-size: 13px;
  color: var(--steel);
}

/* ── ⑤ 会社概要 ────────────────────────────────────────────── */
.about-logo {
  margin-bottom: 22px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--rule);
}
.about-logo img {
  width: 150px;
  height: auto;
}

.about-lead {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 22px;
  line-height: 1.45;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 24px;
}

.about-body {
  font-size: 15px;
  line-height: 1.95;
  color: var(--slate);
}
.about-body p + p { margin-top: 16px; }

.about-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 44px;
}
.about-card {
  background: var(--cream);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 24px 22px;
}
.about-card__title {
  font-size: 17px;
  color: var(--ocean);
  margin-bottom: 10px;
}
.about-card p {
  font-size: 14px;
  line-height: 1.85;
  color: var(--slate);
}

.about-tables {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 48px;
}
.about-table__title {
  font-size: 17px;
  color: var(--ink);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--ocean);
}

.table-scroll { overflow-x: auto; }

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  line-height: 1.7;
}
.spec-table th,
.spec-table td {
  text-align: left;
  vertical-align: top;
  padding: 12px 4px;
  border-bottom: 1px solid var(--rule);
}
.spec-table th {
  width: 27%;
  min-width: 92px;
  font-weight: 500;
  color: var(--slate);
}
.spec-table td { color: var(--ink); }

.about-offices { margin-top: 48px; }
.offices {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
.offices li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 4px;
  border-bottom: 1px solid var(--rule);
}
.offices__country {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ocean);
}
.offices__addr {
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

/* ── ⑥ Contact ─────────────────────────────────────────────── */
.hs-form-wrap:empty { display: none; }

.form-placeholder {
  border: 1px dashed var(--rule-strong);
  border-radius: var(--radius);
  background: #fff;
  padding: 28px 24px;
  text-align: center;
}
.form-placeholder .mono {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber-deep);
  margin-bottom: 8px;
}
.form-placeholder p { font-size: 14px; color: var(--slate); }
.form-placeholder code {
  font-family: var(--font-mono);
  font-size: 12.5px;
  background: var(--pale);
  padding: 1px 5px;
  border-radius: 2px;
}

/* ── CTA バンド（デモの下） ─────────────────────────────────── */
.cta-band {
  background: linear-gradient(180deg, var(--ocean) 0%, var(--ocean-deep) 50%, var(--ink) 100%);
  padding: 60px 0;
  text-align: center;
  color: #fff;
}
.cta-band__title {
  font-size: 21px;
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: -0.02em;
  color: #fff;
  margin-bottom: 12px;
}
.cta-band__lead {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255,255,255,.80);
  margin-bottom: 32px;
}
.cta-band__actions { margin: 0; }

.br-pc { display: none; }

/* CTAバンド用の大きめボタン */
.btn-cta {
  width: 100%;
  max-width: 320px;
  padding: 18px 36px;
  font-size: 16px;
  font-weight: 700;
  background: var(--amber);
  border: 1px solid var(--amber-deep);
  color: #fff;
  box-shadow: 0 10px 26px -12px rgba(0,0,0,.55);
}
.btn-cta:hover { background: var(--amber-deep); }
.btn-cta:active { transform: translateY(1px); }

/* ── ⑦ Footer ──────────────────────────────────────────────── */
.site-footer {
  background: var(--ink);
  color: #fff;
}

.ft-mid { padding: 48px 0 40px; }
.ft-mid__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: start;
}

.brand--footer { display: inline-flex; }
.brand--footer img {
  width: 132px;
  filter: brightness(0) invert(1);
  opacity: .92;
}

.ft-product {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
  font-feature-settings: normal;
}
.ft-desc {
  margin-top: 14px;
  font-size: 13px;
  line-height: 1.9;
  color: rgba(255,255,255,.72);
}
.ft-link { margin-top: 16px; }
.ft-link a {
  font-size: 13px;
  color: var(--sky);
}

.ft-sns {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}
.ft-sns a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px; height: 30px;
  border-radius: 50%;
  color: #fff;
  background: rgba(255,255,255,.08);
  transition: background-color .16s ease;
}
.ft-sns a:hover { background: rgba(255,255,255,.18); }
.ft-sns svg { width: 16px; height: 16px; fill: currentColor; }

.ft-menu ul {
  display: grid;
  gap: 2px;
}
.ft-menu a {
  display: inline-block;
  padding: 7px 0;
  font-size: 13.5px;
  color: rgba(255,255,255,.82);
  text-decoration: none;
}
.ft-menu a:hover { color: #fff; text-decoration: underline; }

.ft-btm {
  border-top: 1px solid rgba(255,255,255,.12);
  padding: 18px 0;
}
.ft-btm__inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}
.ft-btm small {
  font-size: 12px;
  color: var(--steel);
}
.ft-btm a {
  font-size: 12.5px;
  color: var(--sky);
}

/* ── Responsive: tablet (≥720px) ───────────────────────────── */
@media (min-width: 720px) {
  :root { --gutter: 32px; }

  .section { padding: 88px 0; }
  .section__title { font-size: 34px; }

  .hero { padding: 96px 0 104px; }
  .hero__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 380px);
    gap: 32px;
  }
  .hero__demo { max-width: 380px; justify-self: end; }

  .demo-grid { grid-template-columns: 1fr 1fr; gap: 20px; }

  .cards { grid-template-columns: repeat(3, 1fr); }
  .card { padding: 30px 28px; }

  .about-logo img { width: 176px; }
  .claim { padding: 32px 30px; }
  .claim__lead { font-size: 22px; }
  .claim__body { font-size: 15.5px; }
  .claim__kicker { font-size: 17px; }

  .about-lead { font-size: 26px; }
  .about-cards { grid-template-columns: repeat(3, 1fr); }
  .about-tables { grid-template-columns: 1fr 1fr; gap: 40px; }
  .offices li {
    flex-direction: row;
    align-items: baseline;
    gap: 20px;
  }
  .offices__country { flex: 0 0 132px; }

  .cta-band { padding: 80px 0; }
  .cta-band__title { font-size: 26px; }
  .cta-band__lead { font-size: 15px; margin-bottom: 40px; }
  .br-pc { display: inline; }

  .ft-mid__inner {
    grid-template-columns: minmax(0, 1fr) 240px;
    gap: 56px;
  }
  .ft-btm__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

/* ── Responsive: desktop (≥1024px) ─────────────────────────── */
@media (min-width: 1024px) {
  :root { --header-h: 72px; }

  .brand img { width: 138px; }

  .section { padding: 104px 0; }
  .section__title { font-size: 40px; }
  .section__lead { font-size: 16px; }

  .hero { padding: 118px 0 128px; }
  .hero__lead { font-size: 18.5px; }
  .hero__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 520px);
    gap: 48px;
  }
  .hero__demo { max-width: 520px; justify-self: end; }

  .about-lead { font-size: 30px; }
  .about-body { font-size: 15.5px; }
}

/* ── Responsive: mobile nav (<720px) ───────────────────────── */
@media (max-width: 719px) {
  .nav-toggle { display: block; }

  .site-nav {
    position: absolute;
    left: 0; right: 0;
    top: 100%;
    background: var(--cream);
    border-bottom: 1px solid var(--rule);
    box-shadow: 0 12px 24px -18px rgba(15,20,25,.5);
    display: none;
  }
  .site-nav.is-open { display: block; }
  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px var(--gutter) 16px;
  }
  .site-nav a {
    display: block;
    padding: 14px 4px;
    font-size: 15px;
    border-bottom: 1px solid var(--rule);
  }
  .site-nav .nav-cta {
    margin: 12px 0 0;
    padding: 15px 16px;
    text-align: center;
    border: 1px solid var(--amber-deep);
    border-radius: var(--radius-btn);
  }

  .site-header .header-inner { position: relative; }

  .demo-item__stage video { aspect-ratio: 16 / 9; }
}

/* ── Motion ────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}