/* Octa Air — shared layout and document styles.
   Flight & Stay visual identity and responsive refinements follow below. */

:root {
  --ink:        #1a1a1c;   /* 会社案内のロゴ墨色 */
  --ink-2:      #55555a;
  --ink-3:      #8a8a90;
  --ink-4:      #b4b4b8;
  --paper:      #f6f5f2;   /* 会社案内の地色 */
  --paper-2:    #fbfaf8;
  --paper-3:    #edece8;
  --hair:       rgba(26, 26, 28, 0.12);
  --hair-soft:  rgba(26, 26, 28, 0.07);
  --shadow:     0 1px 2px rgba(26, 26, 28, 0.04);

  --serif-jp: "Hiragino Mincho ProN", "Yu Mincho", serif;
  --sans: "Avenir Next", Avenir, "Hiragino Sans", "Hiragino Kaku Gothic ProN",
          "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --wrap: 1080px;
  --gutter: 24px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink:       #f2f1ee;
    --ink-2:     #b0afab;
    --ink-3:     #868582;
    --ink-4:     #5c5b59;
    --paper:     #131315;
    --paper-2:   #1a1a1c;
    --paper-3:   #232326;
    --hair:      rgba(242, 241, 238, 0.14);
    --hair-soft: rgba(242, 241, 238, 0.08);
    --shadow:    none;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.9;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ── ロゴ ─────────────────────────────────────────────────────────────── */

.mark {                        /* 会社案内から取り出した実物のタコマーク */
  width: 1em;
  height: 1em;
  display: block;
  fill: currentColor;
  flex: none;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  color: var(--ink);
}

.brand .mark { font-size: 30px; }

.brand-name {
  font-size: 21px;
  font-weight: 500;
  letter-spacing: 0.005em;
  line-height: 1;
  white-space: nowrap;
}

/* ── ヘッダー ─────────────────────────────────────────────────────────── */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--hair-soft);
}

.nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
}

/* ホバー下線は CTA 以外に限定する。`.nav-links a`(0,1,1) は `.nav-cta`(0,1,0) より
   詳細度が高いので、:not() で外さないと CTA の枠の「下辺だけ」が transparent に
   上書きされ、ボタンの下が切れて見える。 */
.nav-links a:not(.nav-cta) {
  text-decoration: none;
  font-size: 13.5px;
  color: var(--ink-2);
  letter-spacing: 0.04em;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  transition: color 0.18s, border-color 0.18s;
}

.nav-links a:not(.nav-cta):hover { color: var(--ink); border-bottom-color: var(--ink); }

.nav-links a.nav-cta { text-decoration: none; letter-spacing: 0.04em; transition: background 0.18s, color 0.18s, border-color 0.18s; }

.nav-cta {
  border: 1px solid var(--hair);
  border-radius: 999px;
  padding: 8px 18px !important;
  color: var(--ink) !important;
}

.nav-cta:hover {
  background: var(--ink);
  color: var(--paper) !important;
  border-color: var(--ink) !important;
}

.menu-btn {
  display: none;
  background: none;
  border: 0;
  color: var(--ink);
  font-size: 20px;
  cursor: pointer;
  padding: 6px;
  line-height: 1;
}

/* ── 共通の見出し ─────────────────────────────────────────────────────── */

section { padding: 104px 0; border-top: 1px solid var(--hair-soft); }
section:first-of-type { border-top: 0; }

.eyebrow {
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0 0 18px;
  font-weight: 500;
}

.section-title {
  font-size: clamp(27px, 3.6vw, 38px);
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.35;
  margin: 0 0 20px;
}

.section-lead {
  color: var(--ink-2);
  max-width: 660px;
  margin: 0 0 54px;
  font-size: 15.5px;
}

/* ── ヒーロー ─────────────────────────────────────────────────────────── */

.hero {
  padding: 128px 0 112px;
  position: relative;
  overflow: hidden;
}

.hero .wrap { position: relative; z-index: 1; }

.hero-mark {                    /* 地に沈めた大きなマーク（同系トーンのみ） */
  position: absolute;
  right: -70px;
  top: 50%;
  transform: translateY(-50%);
  font-size: min(460px, 46vw);
  color: var(--ink);
  opacity: 0.045;
  pointer-events: none;
  z-index: 0;
}

.hero h1 {
  font-size: clamp(36px, 6vw, 62px);
  font-weight: 600;
  line-height: 1.32;
  letter-spacing: 0.005em;
  margin: 0 0 26px;
  max-width: 15em;
}

.hero .lead {
  color: var(--ink-2);
  max-width: 620px;
  margin: 0 0 38px;
  font-size: 16px;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-size: 14px;
  letter-spacing: 0.03em;
  padding: 13px 26px;
  border-radius: 999px;
  border: 1px solid var(--ink);
  transition: background 0.18s, color 0.18s, border-color 0.18s;
}

.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { background: transparent; color: var(--ink); }

.btn-ghost { background: transparent; color: var(--ink); border-color: var(--hair); }
.btn-ghost:hover { border-color: var(--ink); }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 76px;
  background: var(--hair-soft);
  border: 1px solid var(--hair-soft);
}

.stat {
  background: var(--paper);
  padding: 24px 22px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.stat b {
  font-size: 26px;
  font-weight: 500;
  letter-spacing: 0.01em;
  line-height: 1;
}

.stat span { font-size: 12.5px; color: var(--ink-3); letter-spacing: 0.02em; }

/* ── 会社概要 ─────────────────────────────────────────────────────────── */

.profile {
  display: grid;
  grid-template-columns: 1.45fr 1fr;
  gap: 56px;
  align-items: start;
}

.spec { width: 100%; border-collapse: collapse; font-size: 14.5px; }

.spec tr { border-top: 1px solid var(--hair-soft); }
.spec tr:last-child { border-bottom: 1px solid var(--hair-soft); }

.spec th {
  text-align: left;
  font-weight: 500;
  color: var(--ink-3);
  width: 118px;
  padding: 16px 16px 16px 0;
  vertical-align: top;
  white-space: nowrap;
  letter-spacing: 0.04em;
  font-size: 13px;
}

.spec td { padding: 16px 0; vertical-align: top; color: var(--ink); line-height: 1.85; }
.spec a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }

.map-card {
  background: var(--paper-2);
  border: 1px solid var(--hair-soft);
  padding: 30px 30px 32px;
  box-shadow: var(--shadow);
}

.map-card h4 {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 500;
}

.map-card p { margin: 0; font-size: 14px; color: var(--ink-2); }
.map-card a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }

/* ── 事業紹介 ─────────────────────────────────────────────────────────── */

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--hair-soft);
  border: 1px solid var(--hair-soft);
}

.card {
  background: var(--paper);
  padding: 34px 30px 36px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.tag {
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.status {
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid var(--hair);
  color: var(--ink-2);
  white-space: nowrap;
}

.status.live { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.status.dev  { background: transparent; }
.status.prep { color: var(--ink-3); border-color: var(--hair-soft); }

.card h3 { margin: 0; font-size: 21px; font-weight: 600; letter-spacing: 0.01em; }
.card .sub { margin: 0; font-size: 13px; color: var(--ink-3); letter-spacing: 0.02em; }
.card p { margin: 0; font-size: 14.5px; color: var(--ink-2); }

/* ── 価値観 ───────────────────────────────────────────────────────────── */

.values { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 44px; }

.value .num {
  display: block;
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--ink-4);
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--hair-soft);
}

.value h3 { margin: 0 0 10px; font-size: 19px; font-weight: 600; }
.value p { margin: 0; font-size: 14.5px; color: var(--ink-2); }

/* ── 沿革 ─────────────────────────────────────────────────────────────── */

.timeline { display: grid; gap: 0; }

.tl-item {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 32px;
  padding: 30px 0;
  border-top: 1px solid var(--hair-soft);
  align-items: start;
}

.tl-item:last-child { border-bottom: 1px solid var(--hair-soft); }

.tl-item .date {
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--ink-3);
  padding-top: 3px;
}

.tl-item h4 { margin: 0 0 6px; font-size: 17px; font-weight: 600; }
.tl-item p { margin: 0; font-size: 14.5px; color: var(--ink-2); max-width: 640px; }

/* ── お問い合わせ ─────────────────────────────────────────────────────── */

.contact { background: var(--paper-2); }

.contact-box {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-box h2 { margin: 0 0 14px; font-size: clamp(26px, 3.4vw, 34px); font-weight: 600; }
.contact-box p { color: var(--ink-2); margin: 0; font-size: 15px; max-width: 460px; }

.contact-list { list-style: none; margin: 0; padding: 0; }

.contact-list li {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 16px;
  padding: 14px 0;
  border-top: 1px solid var(--hair-soft);
  font-size: 14.5px;
}

.contact-list li:last-child { border-bottom: 1px solid var(--hair-soft); }
.contact-list span { color: var(--ink-3); font-size: 12.5px; letter-spacing: 0.06em; padding-top: 2px; }
.contact-list a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }

/* ── フッター ─────────────────────────────────────────────────────────── */

footer { border-top: 1px solid var(--hair-soft); padding: 66px 0 40px; }

.foot-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 48px;
  padding-bottom: 44px;
}

.foot-tag { color: var(--ink-3); font-size: 13px; max-width: 320px; margin: 16px 0 0; }

.foot-cols { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }

.foot-col h5 {
  margin: 0 0 14px;
  font-size: 10.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 500;
}

.foot-col a {
  display: block;
  text-decoration: none;
  color: var(--ink-2);
  font-size: 13.5px;
  padding: 4px 0;
  transition: color 0.18s;
}

.foot-col a:hover { color: var(--ink); }

.copyright {
  border-top: 1px solid var(--hair-soft);
  padding-top: 26px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--ink-3);
  font-size: 12px;
  letter-spacing: 0.02em;
}

/* ── 規約ページ（privacy） ────────────────────────────────────────────── */

.doc { padding: 76px 0 96px; }
.doc .wrap { max-width: 760px; }
.doc h1 { font-size: clamp(28px, 4vw, 36px); font-weight: 600; margin: 0 0 10px; }
.doc .meta { color: var(--ink-3); font-size: 13px; margin: 0 0 44px; }
.doc h2 {
  font-size: 18px;
  font-weight: 600;
  margin: 40px 0 12px;
  padding-top: 26px;
  border-top: 1px solid var(--hair-soft);
}
.doc h2:first-of-type { border-top: 0; padding-top: 0; }
.doc p, .doc li { color: var(--ink-2); font-size: 15px; }
.doc ul { padding-left: 1.25em; }
.doc li { margin: 6px 0; }
.doc a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }

/* ── レスポンシブ ─────────────────────────────────────────────────────── */

@media (max-width: 900px) {
  section { padding: 76px 0; }
  .hero { padding: 92px 0 80px; }
  .profile, .contact-box { grid-template-columns: 1fr; gap: 40px; }
  .cards, .values { grid-template-columns: 1fr; }
  .values { gap: 34px; }
  .hero-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .foot-grid { grid-template-columns: 1fr; gap: 36px; }
  .tl-item { grid-template-columns: 1fr; gap: 8px; }

  .menu-btn { display: block; }

  .nav-links {
    position: absolute;
    /* ヘッダー高は 88px に変わっている。固定値で持つとまた 14px ずれるので、
       sticky なヘッダーの下辺に貼り付ける。 */
    top: 100%;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--hair-soft);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 24px 20px;
    display: none;
  }

  .nav-links.open { display: flex; }
  .nav-links a { padding: 13px 0; border-bottom: 1px solid var(--hair-soft); }
  .nav-links a:hover { border-bottom-color: var(--hair-soft); }
  .nav-cta { text-align: center; margin-top: 14px; border: 1px solid var(--ink) !important; }
  .hero-mark { right: -110px; opacity: 0.035; }
}

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

/* Flight & Stay: editorial travel identity, September 2026. */
:root {
  --ink: #172b35;
  --ink-2: #526168;
  --ink-3: #647279;
  --ink-4: #77838a;
  --paper: #f8f7f3;
  --paper-2: #ffffff;
  --paper-3: #efeee7;
  --hair: rgba(23,43,53,.18);
  --hair-soft: rgba(23,43,53,.12);
  --accent: #b64d2d;
  --wrap: 1248px;
  --gutter: 40px;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}
html { scroll-padding-top: 96px; }
body { font-size: 15px; }
::selection { background: #e8baa4; color: #172b35; }
a, button { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
.skip-link { position: fixed; top: -100px; left: 20px; z-index: 100; padding: 12px 20px; background: var(--paper); }
.skip-link:focus { top: 12px; }
.nav .wrap { height: 88px; }
.brand-name { font-size: 25px; font-weight: 650; letter-spacing: -.045em; }
.brand .mark { font-size: 38px; }
.nav-links { gap: 32px; }
.nav-links a { font-size: 12px; color: var(--ink); }
.nav-cta { border-radius: 3px; padding: 10px 20px !important; }
.eyebrow, .micro, .tag, .num, .date { font-family: var(--mono); }
.eyebrow { font-size: 10px; letter-spacing: .17em; color: var(--accent); font-weight: 600; }
.micro { display: block; font-size: 9px; line-height: 1.5; letter-spacing: .13em; }
.hero { min-height: 660px; padding: 105px 0 112px; color: white; background: #253b49; }
.hero::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg,rgba(8,25,37,.78),rgba(10,29,43,.28) 70%),linear-gradient(0deg,rgba(10,29,43,.25),transparent 60%); }
.hero-photo { position: absolute; width: 100%; height: 100%; inset: 0; object-fit: cover; object-position: center 54%; }
.hero .eyebrow { color: #fff; display: flex; align-items: center; gap: 10px; font-size: 10px; margin-bottom: 32px; }
.signal-dot { width: 6px; height: 6px; border-radius: 50%; background: #eeb38b; box-shadow: 0 0 0 4px #eeb38b20; }
.hero h1 { font-size: clamp(36px,4.55vw,64px); font-weight: 600; letter-spacing: .025em; line-height: 1.5; max-width: none; margin-bottom: 23px; }
.hero .lead { color: #f1f1ed; font-size: 14px; line-height: 2.1; max-width: none; margin-bottom: 32px; }
.btn { border-radius: 3px; padding: 15px 24px; font-size: 12px; font-weight: 600; justify-content: space-between; gap: 28px; }
.hero .btn-primary { background: #f8f7f3; color: #172b35; border-color: #f8f7f3; }
.hero .btn-primary:hover { background: #eeded0; border-color: #eeded0; }
.hero-caption { display: flex; align-items: center; gap: 20px; margin-top: 52px; font-size: 10px; color: #e1e6e7; }
.hero-caption span:first-child { font-family: var(--mono); font-size: 9px; letter-spacing: .12em; }
.hero-caption::before { content: ''; width: 32px; height: 1px; background: #ffffff80; }
.hero-coordinate { position: absolute; z-index: 1; right: 25px; top: 48%; writing-mode: vertical-rl; font-family: var(--mono); font-size: 9px; letter-spacing: .15em; opacity: .7; }
.boarding-wrap { position: relative; z-index: 2; margin-top: -37px; }
.boarding-pass { display: grid; grid-template-columns: 1.35fr 1fr 160px; background: var(--paper-2); border: 1px solid var(--hair); box-shadow: 0 8px 24px #172b3506; }
.boarding-route { display: flex; align-items: center; padding: 27px 32px; gap: 25px; }
.boarding-route strong { display: block; font-family: var(--mono); font-size: 29px; line-height: 1.4; font-weight: 500; letter-spacing: -.04em; white-space: nowrap; }
.boarding-route small { font-size: 10px; color: var(--ink-3); }
.boarding-route .micro, .boarding-detail .micro { color: var(--ink-3); }
.route-line { flex: 1; border-top: 1px dashed var(--hair); position: relative; min-width: 40px; }
.route-line span { position: absolute; top: -22px; left: 40%; font-size: 25px; color: var(--accent); transform: rotate(-7deg); }
.boarding-detail { align-self: center; padding: 10px 30px; border-left: 1px solid var(--hair-soft); }
.boarding-detail b { display: block; font-size: 12px; font-weight: 500; margin: 7px 0 12px; }
.boarding-note { font-size: 8px; }
.boarding-stub { position: relative; border-left: 1px dashed var(--hair); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px; text-decoration: none; font-size: 10px; transition: background .2s; }
.boarding-stub:hover { background: var(--paper-3); }
.stub-arrow { font-size: 28px; line-height: 1.3; color: var(--accent); }
.intro { border-top: 0; padding: 96px 0; }
.intro-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; }
.intro .eyebrow { line-height: 2; padding-top: 8px; }
.intro h2 { font-size: clamp(26px,3vw,37px); line-height: 1.6; font-weight: 500; letter-spacing: .045em; margin: 0 0 24px; }
.intro p:not(.eyebrow) { font-size: 14px; color: var(--ink-2); line-height: 2.2; margin: 0; }
#business { background: var(--paper-3); }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 30px; margin-bottom: 40px; }
.section-title { font-size: clamp(27px,3vw,36px); font-weight: 500; }
.section-heading .section-title { margin-bottom: 0; }
.section-heading > p { font-size: 12px; color: var(--ink-2); margin: 0; }
.map-feature { display: grid; grid-template-columns: 1fr 1fr; background: var(--paper-2); border: 1px solid var(--hair-soft); }
.stay-visual { position: relative; min-height: 570px; overflow: hidden; background: #283e39; }
.stay-visual img { width: 100%; height: 100%; position: absolute; object-fit: cover; }
.stay-visual::after { content: ''; position: absolute; inset: 0; background: linear-gradient(0deg,rgba(6,29,27,.88),transparent 75%); }
.stay-overlay { position: absolute; z-index: 1; bottom: 38px; left: 38px; right: 25px; color: white; }
.stay-overlay p { font-size: 29px; line-height: 1.7; margin: 14px 0 24px; font-weight: 500; }
.photo-note { font-size: 10px; color: #e4e8e2; }
.map-copy { padding: 38px 40px; }
.card-head { margin-bottom: 20px; }
.tag { font-size: 9px; color: var(--ink-2); letter-spacing: .12em; }
.status { font-size: 10px; padding: 2px 9px; border-radius: 2px; }
.status.live { background: #edf2eb; border-color: #dce5d9; color: #3d603d; }
.map-copy h3 { font-size: 49px; line-height: 1.2; letter-spacing: -.055em; font-weight: 550; margin: 0 0 16px; }
.product-dot { color: var(--accent); }
.map-copy > p { font-size: 13px; color: var(--ink-2); }
.map-copy .product-sub { font-size: 16px; font-weight: 600; color: var(--ink); }
.benefit-tabs { display: flex; margin-top: 25px; border-bottom: 1px solid var(--hair); gap: 22px; }
.benefit-tabs button { border: 0; border-bottom: 2px solid transparent; background: transparent; color: var(--ink-2); font: inherit; font-size: 12px; cursor: pointer; padding: 9px 0; margin-bottom: -1px; }
.benefit-tabs button[aria-selected="true"] { color: var(--accent); border-color: var(--accent); font-weight: 600; }
.benefit-tabs button:hover { color: var(--accent); }
.benefit-panel { padding: 19px 0 21px; min-height: 138px; }
.benefit-panel .micro { color: var(--accent); }
.benefit-panel p { font-size: 12px; color: var(--ink-2); margin: 9px 0 0; }
.text-link { display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--hair); padding-top: 16px; text-decoration: none; font-size: 11px; font-weight: 600; }
.text-link:hover { color: var(--accent); }
.text-link span { font-size: 21px; }
.secondary-products { display: grid; grid-template-columns: 1.4fr 1fr; gap: 22px; margin-top: 22px; }
.equipment-card { background: #172e38; color: #f8f7f3; display: grid; grid-template-columns: 145px 1fr; overflow: hidden; }
.equipment-copy { padding: 30px 28px 32px 6px; }
.equipment-card .tag, .equipment-card .status { color: #c9d5d9; border-color: #657982; }
.equipment-card h3, .trade-card h3 { font-size: 19px; font-weight: 500; line-height: 1.6; margin: 0 0 7px; }
.equipment-card p, .trade-card p { font-size: 12px; color: #c6d2d7; line-height: 1.95; }
.equipment-card .sub, .trade-card .sub { font-size: 10px; margin: 0 0 18px; }
.product-note { font-size: 10px; color: #c6d2d7; }
.radar-art { position: relative; min-height: 260px; overflow: hidden; background: linear-gradient(90deg,transparent 49.5%,#c7d7df12 50%,transparent 50.5%),linear-gradient(0deg,transparent 49.5%,#c7d7df12 50%,transparent 50.5%); }
.radar-ring { border: 1px solid #b8d2d52b; border-radius: 50%; position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); }
.ring-one { width: 58px; height: 58px; }.ring-two { width: 118px; height: 118px; }.ring-three { width: 190px; height: 190px; }
.radar-plane { position: absolute; top: 40%; left: 48%; color: #e9b392; font-size: 25px; transform: rotate(-25deg); }
.radar-label { position: absolute; bottom: 20px; left: 17px; font-family: var(--mono); font-size: 7px; letter-spacing: .03em; color: #afc4cb; }
.trade-card { position: relative; padding: 30px; background: var(--paper); border: 1px solid var(--hair); }
.trade-card p { color: var(--ink-2); }
.gear-icon { font-size: 38px; color: var(--accent); line-height: 1; margin: 8px 0 20px; font-weight: 200; }
#values .section-lead { margin-bottom: 42px; }
.value .num { color: var(--accent); }
.value h3 { font-size: 19px; font-weight: 500; }
.value p { font-size: 13px; }
#about { background: var(--paper-2); }
.profile { grid-template-columns: 1.45fr 1fr; }
.map-card { background: var(--paper); border-top: 2px solid var(--accent); }
.section-lead { font-size: 14px; }
.spec { font-size: 13px; }
#history { padding-top: 75px; padding-bottom: 75px; }
.tl-item h4 { font-size: 15px; }
.tl-item p { font-size: 13px; }
.contact { background: #172e38; color: #f8f7f3; --ink: #f8f7f3; --ink-2: #ced7d9; --ink-3: #afc2c9; --hair-soft: #ffffff25; --paper: #172e38; }
.contact .eyebrow { color: #e9b392; margin-bottom: 20px; font-size: 10px; }
.contact-box { align-items: center; }
.contact-box h2 { line-height: 1.65; margin-bottom: 22px; font-weight: 500; }
.contact-box p { font-size: 13px; }
.contact-list li { font-size: 12px; grid-template-columns: 70px 1fr; }
.contact-list span { font-size: 10px; }
footer { padding-top: 56px; }
.foot-col a { font-size: 12px; }
.foot-tag { font-size: 12px; }
.copyright { font-size: 10px; }
.doc { min-height: 70vh; }
@media (prefers-color-scheme: dark) {
  :root { --ink: #e9eeed; --ink-2: #b9c6cb; --ink-3: #a3b4bc; --ink-4: #8da2ab; --paper: #14242c; --paper-2: #1b303a; --paper-3: #102028; --hair: #dce9ed30; --hair-soft: #dce9ed22; --accent: #eeac87; }
  .status.live { background: #2c4537; color: #c1ddbe; border-color: #45664a; }
}
@media (min-width: 901px) and (max-width: 1100px) {
  .boarding-pass { grid-template-columns: 1.4fr 1fr 120px; }
  .boarding-route { padding: 25px 22px; gap: 15px; }
  .boarding-route strong { font-size: 24px; }
  .boarding-detail { padding: 10px 20px; }
  .map-copy { padding: 30px; }
  .equipment-card { grid-template-columns: 105px 1fr; }
}
@media (max-width: 900px) {
  :root { --gutter: 28px; }
  .nav .wrap { height: 74px; }
  .nav-links { top: 100%; gap: 0; }   /* ヘッダー高に追従させる（固定値だとズレる） */
  .nav-links a { padding: 14px 0; }
  .menu-btn { min-height: 44px; min-width: 44px; }
  .hero { min-height: 610px; padding-top: 86px; padding-bottom: 100px; }
  .hero h1 { font-size: clamp(34px,5.5vw,49px); }
  .hero-coordinate { display: none; }
  .boarding-pass { grid-template-columns: 1fr 125px; }
  .boarding-detail { display: none; }
  .intro-grid { grid-template-columns: 1fr 1.7fr; gap: 30px; }
  .intro { padding: 76px 0; }
  .map-feature { grid-template-columns: 1fr; }
  .stay-visual { min-height: 360px; }
  .stay-visual img { object-position: center 55%; }
  .map-copy { padding: 32px; }
  .benefit-panel { min-height: 110px; }
  .secondary-products { grid-template-columns: 1fr; }
  .equipment-card { grid-template-columns: 150px 1fr; }
  .equipment-copy { padding: 30px 30px 30px 12px; }
  .trade-card { padding: 30px; }
  .profile { grid-template-columns: 1fr; }
  .values { grid-template-columns: repeat(3, minmax(0,1fr)); gap: 24px; }
  .value h3 { font-size: 16px; }
  .contact-box { gap: 40px; }
}
@media (max-width: 600px) {
  :root { --gutter: 22px; }
  section { padding: 62px 0; }
  .brand-name { font-size: 23px; }
  .brand .mark { font-size: 32px; }
  .hero { min-height: 610px; padding: 72px 0 110px; }
  .hero-photo { object-position: 62% center; }
  .hero::after { background: linear-gradient(90deg,#081925c9,#0a1d4360); }
  .hero .eyebrow { font-size: 8px; letter-spacing: .095em; margin-bottom: 32px; }
  .hero h1 { font-size: clamp(27px,7.2vw,42px); line-height: 1.65; letter-spacing: .01em; margin-bottom: 24px; }
  .hero .lead { font-size: 12px; line-height: 2.1; margin-bottom: 27px; max-width: 32em; }
  .desktop-break { display: none; }
  .hero-caption { margin-top: 33px; gap: 10px; flex-wrap: wrap; font-size: 8px; }
  .hero-caption span:first-child { font-size: 8px; }
  .hero-caption::before { width: 18px; }
  .hero-caption span:last-child { display: none; }
  .btn { padding: 14px 18px; font-size: 11px; gap: 18px; }
  .boarding-wrap { margin-top: -44px; }
  .boarding-pass { grid-template-columns: 1fr 62px; }
  .boarding-route { padding: 23px 14px; gap: 10px; }
  .boarding-route strong { font-size: clamp(18px,5vw,24px); }
  .boarding-route small { font-size: 8px; }
  .boarding-route .micro { font-size: 8px; }
  .route-line { min-width: 17px; }
  .route-line span { font-size: 20px; top: -18px; left: 0; }
  .boarding-stub .micro { font-size: 7px; text-align: center; }
  .boarding-stub > span:last-child { display: none; }
  .intro { padding: 58px 0; }
  .intro-grid { grid-template-columns: 1fr; gap: 20px; }
  .intro .eyebrow { font-size: 9px; margin: 0; }
  .intro h2 { font-size: 27px; }
  .intro p:not(.eyebrow) { font-size: 12px; }
  .section-heading { flex-direction: column; align-items: start; gap: 17px; margin-bottom: 28px; }
  .section-heading > p { font-size: 12px; }
  .section-title { font-size: 26px; }
  .stay-visual { min-height: 330px; }
  .stay-overlay { left: 25px; bottom: 26px; }
  .stay-overlay .micro { font-size: 8px; }
  .stay-overlay p { font-size: 25px; }
  .map-copy { padding: 26px 23px; }
  .map-copy h3 { font-size: 43px; }
  .map-copy .product-sub { font-size: 14px; }
  .map-copy > p { font-size: 12px; }
  .benefit-tabs { gap: 22px; }
  .benefit-panel { min-height: 150px; }
  .text-link { font-size: 10px; gap: 8px; }
  .equipment-card { grid-template-columns: 1fr; }
  .radar-art { min-height: 140px; }
  .radar-label { left: 20px; bottom: 15px; }
  .equipment-copy { padding: 24px; }
  .equipment-card h3, .trade-card h3 { font-size: 17px; }
  .trade-card { padding: 24px; }
  .values { grid-template-columns: 1fr; gap: 32px; }
  .value h3 { font-size: 19px; }
  .value .num { margin-bottom: 13px; padding-bottom: 12px; }
  .section-lead { font-size: 12px; margin-bottom: 30px; }
  .spec th { width: 76px; font-size: 11px; padding-right: 10px; }
  .spec td { font-size: 12px; overflow-wrap: anywhere; }
  .map-card { padding: 25px; }
  .map-card p { font-size: 12px; }
  .contact-list li { gap: 10px; grid-template-columns: 55px minmax(0,1fr); overflow-wrap: anywhere; }
  .contact-box h2 { font-size: 27px; }
  .contact .btn { font-size: 12px; }
  .foot-cols { gap: 18px; grid-template-columns: 1fr 1fr; }
  .foot-col:last-child { grid-column: 1 / -1; }
  .copyright { gap: 8px; }
  .doc h1 { font-size: 25px; }
}