/* ============================================================
   LIBERTA Co., Ltd. — Corporate Site
   style.css
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;1,300&family=Noto+Sans+JP:wght@300;400&family=Shippori+Mincho+B1:wght@400;600&display=swap');

/* ============================================================
   DESIGN TOKENS — CSS Custom Properties
   ここを変更するだけでサイト全体のデザインを調整できます
   ============================================================ */
:root {
  /* ---- ブランドカラー ---- */
  --color-navy:        #1C3A5E;
  --color-navy-deep:   #122640;
  --color-navy-soft:   #2a4f7c;

  /* ---- 背景・サーフェス ---- */
  --color-bg:          #F8F6F2;
  --color-surface:     #FFFFFF;
  --color-warm:        #EDE8DF;
  --color-warm-deep:   #E3DDD2;

  /* ---- テキスト ---- */
  --color-text:        #1A1A1A;
  --color-muted:       #9A9690;
  --color-muted-light: #C0BBB5;

  /* ---- ライン・ボーダー ---- */
  --color-line:        #E0DDD6;
  --color-line-strong: #C8C3BB;

  /* ---- フォーカス ---- */
  --color-focus-ring:  rgba(28, 58, 94, 0.40);

  /* ---- フォントファミリー ---- */
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-ja:      'Shippori Mincho B1', 'Hiragino Mincho ProN', 'Yu Mincho', serif;
  --font-body:    'Noto Sans JP', 'Hiragino Sans', 'Yu Gothic', sans-serif;

  /* ---- フォントサイズ ---- */
  --text-2xs:  9.5px;
  --text-xs:   10.5px;
  --text-sm:   12px;
  --text-base: 13.5px;
  --text-md:   14px;
  --text-lg:   16px;

  /* ---- 行間 ---- */
  --leading-tight:  1.2;
  --leading-snug:   1.55;
  --leading-normal: 1.8;
  --leading-loose:  2.1;
  --leading-xl:     2.3;

  /* ---- 字間 ---- */
  --tracking-widest: 0.4em;
  --tracking-wider:  0.28em;
  --tracking-wide:   0.2em;
  --tracking-normal: 0.12em;
  --tracking-tight:  0.04em;

  /* ---- スペーシングスケール ---- */
  --sp-1:   4px;
  --sp-2:   8px;
  --sp-3:   12px;
  --sp-4:   16px;
  --sp-5:   20px;
  --sp-6:   24px;
  --sp-8:   32px;
  --sp-10:  40px;
  --sp-12:  48px;
  --sp-14:  56px;
  --sp-16:  64px;
  --sp-20:  80px;
  --sp-24:  96px;
  --sp-28:  112px;
  --sp-32:  128px;

  /* ---- レイアウト ---- */
  --header-h: 76px;
  --max-w:    1200px;
  --pad-x:    48px;

  /* ---- モーション ---- */
  --ease-out-expo:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out:    cubic-bezier(0.4, 0, 0.2, 1);
  --ease-reveal:    cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-spring:    cubic-bezier(0.34, 1.56, 0.64, 1);

  --dur-instant: 0.12s;
  --dur-fast:    0.22s;
  --dur-base:    0.32s;
  --dur-slow:    0.55s;
  --dur-xslow:   0.80s;

  /* ---- シャドウ ---- */
  --shadow-xs: 0 1px  6px  rgba(28, 58, 94, 0.06);
  --shadow-sm: 0 2px  16px rgba(28, 58, 94, 0.08);
  --shadow-md: 0 6px  36px rgba(28, 58, 94, 0.11);
  --shadow-lg: 0 16px 64px rgba(28, 58, 94, 0.15);

  /* ---- Z-Index レイヤー ---- */
  --z-base:    1;
  --z-raised:  10;
  --z-nav:     190;
  --z-header:  200;
  --z-overlay: 300;
  --z-top:     400;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ============================================================
   SCROLL PROGRESS BAR
   ============================================================ */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 1.5px;
  background: var(--color-navy);
  transform: scaleX(0);
  transform-origin: left center;
  z-index: var(--z-top);
  transition: transform 0.08s linear;
  pointer-events: none;
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  height: var(--header-h);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-line);
  transition:
    box-shadow var(--dur-base) var(--ease-in-out),
    background var(--dur-base) var(--ease-in-out),
    backdrop-filter var(--dur-base) var(--ease-in-out);
}
.site-header.scrolled {
  background: rgba(255, 255, 255, 0.90);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: var(--shadow-sm);
  border-bottom-color: transparent;
}
.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  height: 100%;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
}

/* Left: nav */
.header-left {
  display: flex;
  align-items: center;
}
.header-nav {
  display: flex;
  align-items: center;
  gap: var(--sp-10);
}
.header-nav a {
  position: relative;
  font-size: 11.5px;
  font-weight: 300;
  letter-spacing: var(--tracking-wide);
  color: var(--color-text);
  padding-bottom: 3px;
  transition: color var(--dur-fast) var(--ease-in-out);
}
.header-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-navy);
  transition: width var(--dur-base) var(--ease-out-expo);
}
.header-nav a:hover { color: var(--color-navy); }
.header-nav a:hover::after,
.header-nav a.active::after {
  width: 100%;
}
.header-nav a.active { color: var(--color-navy); }

/* Center: logo */
.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--color-navy);
  justify-self: center;
  transition: opacity var(--dur-fast) var(--ease-in-out);
}
.logo:hover { opacity: 0.72; }
.logo__symbol { color: var(--color-navy); flex-shrink: 0; }
.logo__divider {
  width: 1px;
  height: 44px;
  background: var(--color-line);
  margin: 0 var(--sp-5);
  flex-shrink: 0;
}
.logo__text { line-height: 1; }
.logo__wordmark {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 300;
  letter-spacing: 0.4em;
  color: var(--color-navy);
  display: block;
  line-height: 1;
}
.logo__sub {
  font-family: var(--font-body);
  font-size: var(--text-2xs);
  letter-spacing: 0.28em;
  color: var(--color-muted);
  display: block;
  margin-top: 5px;
}

/* Right: CTA */
.header-right {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}
.header-cta-link {
  font-size: 11px;
  font-weight: 300;
  letter-spacing: var(--tracking-wide);
  color: var(--color-navy);
  border: 1px solid var(--color-navy);
  padding: 9px 24px;
  transition:
    background var(--dur-fast) var(--ease-in-out),
    color var(--dur-fast) var(--ease-in-out),
    transform var(--dur-fast) var(--ease-in-out);
}
.header-cta-link:hover {
  background: var(--color-navy);
  color: var(--color-surface);
  transform: translateY(-1px);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 6px 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--color-navy);
  transition:
    transform var(--dur-base) var(--ease-out-expo),
    opacity var(--dur-fast) var(--ease-in-out);
  transform-origin: center;
}
.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile nav overlay */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-line);
  padding: var(--sp-10) var(--pad-x) var(--sp-10);
  z-index: var(--z-nav);
  flex-direction: column;
  gap: var(--sp-8);
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  font-size: 14px;
  letter-spacing: var(--tracking-wide);
  color: var(--color-text);
  transition: color var(--dur-fast) var(--ease-in-out);
}
.mobile-nav a:hover { color: var(--color-navy); }
.mobile-nav .mobile-cta {
  display: inline-block;
  margin-top: var(--sp-2);
  font-size: var(--text-sm);
  letter-spacing: 0.22em;
  color: var(--color-navy);
  border: 1px solid var(--color-navy);
  padding: 14px 32px;
  text-align: center;
  transition:
    background var(--dur-fast) var(--ease-in-out),
    color var(--dur-fast) var(--ease-in-out);
}
.mobile-nav .mobile-cta:hover {
  background: var(--color-navy);
  color: var(--color-surface);
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-navy);
  padding: var(--sp-16) var(--pad-x) var(--sp-12);
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 60px;
  align-items: start;
  padding-bottom: var(--sp-12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-logo .logo__wordmark { color: rgba(255, 255, 255, 0.90); }
.footer-logo .logo__sub     { color: rgba(255, 255, 255, 0.32); }
.footer-logo .logo__symbol  { color: rgba(255, 255, 255, 0.82); }
.footer-logo .logo__divider { background: rgba(255, 255, 255, 0.12); }
.footer-logo .logo          { color: rgba(255, 255, 255, 0.90); }
.footer-logo .logo:hover    { opacity: 0.65; }
.footer-tagline {
  font-family: var(--font-display);
  font-size: 12.5px;
  font-weight: 300;
  font-style: italic;
  letter-spacing: var(--tracking-normal);
  color: rgba(255, 255, 255, 0.28);
  margin-top: var(--sp-6);
}
.footer-nav {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
  align-items: flex-end;
  padding-top: var(--sp-1);
}
.footer-nav a {
  position: relative;
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.40);
  transition: color var(--dur-fast) var(--ease-in-out);
  padding-bottom: 2px;
}
.footer-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 0;
  height: 1px;
  background: rgba(255, 255, 255, 0.60);
  transition: width var(--dur-base) var(--ease-out-expo);
}
.footer-nav a:hover {
  color: rgba(255, 255, 255, 0.85);
}
.footer-nav a:hover::after { width: 100%; }
.footer-copy {
  max-width: var(--max-w);
  margin: var(--sp-8) auto 0;
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.20);
}

/* ============================================================
   FOCUS VISIBLE — アクセシビリティ (WCAG 2.4.7)
   ============================================================ */
:focus-visible {
  outline: 2px solid var(--color-navy);
  outline-offset: 3px;
  border-radius: 2px;
}
.form-group input:focus-visible,
.form-group select:focus-visible,
.form-group textarea:focus-visible {
  outline: none;
}
.site-footer :focus-visible,
.cta-banner :focus-visible {
  outline-color: rgba(255, 255, 255, 0.85);
}
.btn-primary:focus-visible,
.btn-outline:focus-visible,
.btn-primary--light:focus-visible {
  outline-offset: 5px;
}

/* ============================================================
   FADE-IN (Intersection Observer)
   ============================================================ */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity var(--dur-xslow) var(--ease-reveal),
    transform var(--dur-xslow) var(--ease-reveal);
}
.fade-in.visible {
  opacity: 1;
  transform: none;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-primary {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 11.5px;
  font-weight: 300;
  letter-spacing: var(--tracking-wider);
  color: var(--color-surface);
  background: var(--color-navy);
  padding: 16px 52px;
  border: none;
  cursor: pointer;
  transition:
    opacity var(--dur-fast) var(--ease-in-out),
    transform var(--dur-fast) var(--ease-in-out);
}
.btn-primary:hover {
  opacity: 0.82;
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); }

.btn-outline {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 11.5px;
  font-weight: 300;
  letter-spacing: var(--tracking-wider);
  color: var(--color-navy);
  border: 1px solid var(--color-navy);
  padding: 15px 52px;
  cursor: pointer;
  transition:
    background var(--dur-fast) var(--ease-in-out),
    color var(--dur-fast) var(--ease-in-out),
    transform var(--dur-fast) var(--ease-in-out);
}
.btn-outline:hover {
  background: var(--color-navy);
  color: var(--color-surface);
  transform: translateY(-1px);
}
.btn-outline:active { transform: translateY(0); }

.btn-primary--light {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 11.5px;
  font-weight: 300;
  letter-spacing: var(--tracking-wider);
  color: var(--color-navy);
  background: var(--color-surface);
  padding: 16px 52px;
  cursor: pointer;
  transition:
    opacity var(--dur-fast) var(--ease-in-out),
    transform var(--dur-fast) var(--ease-in-out);
}
.btn-primary--light:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}
.btn-primary--light:active { transform: translateY(0); }

/* ============================================================
   SECTION COMMON
   ============================================================ */
.section {
  padding: 100px var(--pad-x);
}
.section--warm    { background: var(--color-warm); }
.section--surface { background: var(--color-surface); }

.section-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: 10px;
  letter-spacing: 0.38em;
  color: var(--color-muted);
  text-transform: uppercase;
  margin-bottom: var(--sp-4);
}
.section-label::before {
  content: '';
  display: block;
  width: 22px;
  height: 1px;
  background: currentColor;
  flex-shrink: 0;
}
.section-title-en {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.6rem);
  font-weight: 300;
  color: var(--color-navy);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-tight);
  text-wrap: balance;
}
.section-title-ja {
  font-family: var(--font-ja);
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 400;
  color: var(--color-text);
  margin-top: var(--sp-3);
  text-wrap: balance;
}
.section-header { margin-bottom: var(--sp-16); }

/* ============================================================
   PAGE HERO (内部ページ共通)
   ============================================================ */
.page-hero {
  padding: 88px var(--pad-x) 72px;
  border-bottom: 1px solid var(--color-line);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 80% 50%, rgba(28, 58, 94, 0.04) 0%, transparent 65%);
  pointer-events: none;
}
.page-hero__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  position: relative;
  z-index: var(--z-base);
}
.page-hero__en {
  font-family: var(--font-display);
  font-size: clamp(4rem, 9vw, 8rem);
  font-weight: 300;
  color: var(--color-navy);
  letter-spacing: var(--tracking-tight);
  line-height: 1;
}
.page-hero__ja {
  font-family: var(--font-ja);
  font-size: var(--text-base);
  color: var(--color-muted);
  margin-top: var(--sp-4);
  letter-spacing: 0.22em;
}

/* ============================================================
   INDEX — HERO
   ============================================================ */
.hero {
  min-height: calc(100svh - var(--header-h));
  display: flex;
  align-items: center;
  padding: 100px var(--pad-x);
  position: relative;
  overflow: hidden;
}

/* 大型ウォーターマーク — 建築図面的演出 */
.hero::before {
  content: 'LIBERTA';
  position: absolute;
  right: -0.04em;
  top: 50%;
  transform: translateY(-52%);
  font-family: var(--font-display);
  font-size: clamp(10rem, 26vw, 24rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(28, 58, 94, 0.052);
  pointer-events: none;
  user-select: none;
  line-height: 1;
  z-index: 0;
}

/* 右側の縦線装飾 */
.hero::after {
  content: '';
  position: absolute;
  top: 15%;
  right: var(--pad-x);
  width: 1px;
  height: 30%;
  background: linear-gradient(
    to bottom,
    transparent,
    var(--color-line) 20%,
    var(--color-line) 80%,
    transparent
  );
  pointer-events: none;
  z-index: 0;
}

.hero-inner {
  max-width: 860px;
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: var(--z-base);
}
.hero-label {
  font-size: 10px;
  letter-spacing: var(--tracking-widest);
  color: var(--color-muted);
  margin-bottom: var(--sp-10);
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
}
.hero-label::before {
  content: '';
  display: block;
  width: 28px;
  height: 1px;
  background: currentColor;
  flex-shrink: 0;
}
.hero-title {
  font-family: var(--font-ja);
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 400;
  color: var(--color-text);
  line-height: var(--leading-snug);
  letter-spacing: 0.1em;
  margin-bottom: var(--sp-5);
  text-wrap: balance;
}
.hero-title-en {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2.2vw, 1.35rem);
  font-weight: 300;
  font-style: italic;
  color: var(--color-muted);
  letter-spacing: var(--tracking-normal);
  margin-bottom: var(--sp-14);
}
.hero-sub {
  font-size: var(--text-base);
  line-height: var(--leading-loose);
  color: var(--color-muted);
  max-width: 500px;
  margin-bottom: var(--sp-14);
  text-wrap: pretty;
  overflow-wrap: break-word;
}

/* ============================================================
   INDEX — TICKER
   ============================================================ */
.ticker {
  overflow: hidden;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  background: var(--color-surface);
  padding: 16px 0;
  user-select: none;
}
.ticker-track {
  display: flex;
  width: max-content;
  animation: ticker-scroll 32s linear infinite;
}
.ticker-track:hover { animation-play-state: paused; }
.ticker-set {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.ticker-item {
  display: flex;
  align-items: center;
  gap: var(--sp-8);
  padding: 0 52px;
  font-family: var(--font-display);
  font-size: 12.5px;
  font-weight: 300;
  letter-spacing: 0.32em;
  color: var(--color-muted);
  white-space: nowrap;
}
.ticker-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--color-navy);
  opacity: 0.30;
  flex-shrink: 0;
}
@keyframes ticker-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ============================================================
   INDEX — BUSINESS CARDS
   ============================================================ */
.biz-cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--color-line);
  border: 1px solid var(--color-line);
}
.biz-card {
  background: var(--color-surface);
  padding: 68px 56px;
  position: relative;
  overflow: hidden;
  transition:
    transform var(--dur-slow) var(--ease-out-expo),
    box-shadow var(--dur-slow) var(--ease-out-expo);
}
.biz-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-navy);
  transition: width var(--dur-slow) var(--ease-out-expo);
}
.biz-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.biz-card:hover::before { width: 100%; }
.biz-card__num {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--color-muted-light);
  margin-bottom: var(--sp-8);
}
.biz-card__title-en {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 300;
  color: var(--color-navy);
  letter-spacing: var(--tracking-tight);
  line-height: 1.15;
  margin-bottom: var(--sp-2);
}
.biz-card__title-ja {
  font-family: var(--font-ja);
  font-size: 12.5px;
  color: var(--color-muted);
  margin-bottom: var(--sp-8);
  letter-spacing: 0.12em;
}
.biz-card__desc {
  font-size: var(--text-base);
  line-height: var(--leading-loose);
  color: var(--color-muted);
}
.biz-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  margin-top: var(--sp-10);
  font-size: var(--text-xs);
  letter-spacing: 0.22em;
  color: var(--color-navy);
}
.biz-card__arrow {
  display: inline-block;
  transition: transform var(--dur-base) var(--ease-out-expo);
}
.biz-card:hover .biz-card__arrow { transform: translateX(6px); }

/* ============================================================
   INDEX — NUMBERS
   ============================================================ */
.numbers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-line);
  border: 1px solid var(--color-line);
}
.num-item {
  background: var(--color-surface);
  padding: 56px var(--sp-10);
  text-align: center;
  transition: background var(--dur-base) var(--ease-in-out);
}
.num-item:hover { background: var(--color-bg); }
.num-value {
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 6vw, 5.5rem);
  font-weight: 300;
  color: var(--color-navy);
  line-height: 1;
  letter-spacing: 0.03em;
}
.num-unit {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-muted);
  margin-left: var(--sp-1);
  font-weight: 300;
}
.num-label {
  font-size: var(--text-xs);
  letter-spacing: 0.22em;
  color: var(--color-muted);
  margin-top: var(--sp-4);
}

/* ============================================================
   INDEX — CTA BANNER
   ============================================================ */
.cta-banner {
  background: var(--color-navy);
  padding: 96px var(--pad-x);
  text-align: center;
  position: relative;
  overflow: hidden;
}
/* 幾何学的装飾 — 背景に大円 */
.cta-banner::before {
  content: '';
  position: absolute;
  top: -220px;
  right: -120px;
  width: 640px;
  height: 640px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.055);
  pointer-events: none;
}
.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -180px;
  left: -80px;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.038);
  pointer-events: none;
}
.cta-banner__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  position: relative;
  z-index: var(--z-base);
}
.cta-banner__title {
  font-family: var(--font-ja);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 400;
  color: var(--color-surface);
  margin-bottom: var(--sp-4);
  letter-spacing: 0.08em;
  text-wrap: balance;
}
.cta-banner__sub {
  font-size: var(--text-base);
  color: rgba(255, 255, 255, 0.42);
  margin-bottom: var(--sp-12);
  letter-spacing: 0.12em;
}

/* ============================================================
   ABOUT — Company Table
   ============================================================ */
.company-table {
  width: 100%;
  border-collapse: collapse;
}
.company-table tr {
  border-bottom: 1px solid var(--color-line);
  transition: background var(--dur-instant) var(--ease-in-out);
}
.company-table tr:first-child {
  border-top: 1px solid var(--color-line);
}
.company-table tr:hover {
  background: var(--color-bg);
}
.company-table th,
.company-table td {
  padding: 22px var(--sp-8);
  font-size: var(--text-base);
  line-height: 1.9;
  text-align: left;
  vertical-align: top;
}
.company-table th {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--color-navy);
  width: 220px;
  white-space: nowrap;
  letter-spacing: var(--tracking-normal);
  background: var(--color-warm);
}
.company-table td {
  color: var(--color-text);
  font-weight: 300;
}

/* ============================================================
   ABOUT — President Message
   ============================================================ */
.message-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: var(--sp-20);
  align-items: start;
}
.message-body {
  font-size: var(--text-md);
  line-height: var(--leading-xl);
  color: var(--color-text);
}
.message-body p + p { margin-top: 1.6em; }
.message-signature {
  margin-top: var(--sp-12);
  padding-top: var(--sp-8);
  border-top: 1px solid var(--color-line);
  font-family: var(--font-ja);
  font-size: var(--text-base);
  color: var(--color-muted);
  letter-spacing: 0.2em;
}
.message-signature span {
  display: block;
  font-size: 10px;
  letter-spacing: 0.28em;
  margin-bottom: var(--sp-2);
}

/* Photo placeholder */
.photo-slot {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--color-warm);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-line);
}
.photo-slot__label {
  font-size: 10px;
  color: var(--color-muted-light);
  letter-spacing: 0.25em;
}

/* ============================================================
   BUSINESS PAGE
   ============================================================ */
.biz-section {
  padding: 96px var(--pad-x);
}
.biz-section + .biz-section {
  border-top: 1px solid var(--color-line);
}
.biz-section__inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.biz-section__header { margin-bottom: 60px; }
.biz-section__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-16);
  align-items: start;
}
.biz-section__text {
  font-size: var(--text-md);
  line-height: 2.2;
  color: var(--color-text);
}
.biz-section__text p + p { margin-top: 1.4em; }

.photo-grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.photo-grid-3 .photo-slot:first-child {
  grid-column: 1 / -1;
}

.ota-links {
  display: flex;
  gap: var(--sp-4);
  flex-wrap: wrap;
  margin-top: var(--sp-10);
}
.ota-link {
  display: inline-block;
  font-size: 11px;
  letter-spacing: var(--tracking-wide);
  color: var(--color-navy);
  border: 1px solid var(--color-navy);
  padding: 11px 24px;
  transition:
    background var(--dur-fast) var(--ease-in-out),
    color var(--dur-fast) var(--ease-in-out),
    transform var(--dur-fast) var(--ease-in-out);
}
.ota-link:hover {
  background: var(--color-navy);
  color: var(--color-surface);
  transform: translateY(-1px);
}

/* ============================================================
   CONTACT PAGE
   ============================================================ */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--sp-20);
  align-items: start;
}

/* Form */
.form-group {
  margin-bottom: var(--sp-8);
}
.form-group label {
  display: block;
  font-size: var(--text-xs);
  letter-spacing: 0.25em;
  color: var(--color-navy);
  margin-bottom: var(--sp-3);
}
.form-group label .req {
  color: var(--color-muted);
  font-size: var(--text-2xs);
  margin-left: var(--sp-2);
  letter-spacing: 0.1em;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  padding: 14px 18px;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 300;
  color: var(--color-text);
  outline: 2px solid transparent;
  outline-offset: 0;
  transition:
    border-color var(--dur-fast) var(--ease-in-out),
    box-shadow var(--dur-fast) var(--ease-in-out),
    background var(--dur-fast) var(--ease-in-out);
  -webkit-appearance: none;
  border-radius: 0;
}
.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
  border-color: var(--color-line-strong);
}
.form-group input:focus-visible,
.form-group select:focus-visible,
.form-group textarea:focus-visible {
  border-color: var(--color-navy);
  box-shadow: 0 0 0 3px var(--color-focus-ring);
  background: var(--color-surface);
  outline: none;
}
.form-group textarea {
  resize: vertical;
  min-height: 180px;
  line-height: 1.9;
}
.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M5 6L0 0h10z' fill='%239A9690'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 18px center;
  padding-right: 44px;
  cursor: pointer;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-5);
}
.form-submit { margin-top: var(--sp-3); }
.form-submit .btn-primary {
  width: 100%;
  text-align: center;
  padding: 18px 0;
  font-size: var(--text-sm);
}

/* Thanks message */
.thanks-msg {
  display: none;
  padding: 60px var(--sp-12);
  background: var(--color-warm);
  border: 1px solid var(--color-line);
  text-align: center;
}
.thanks-msg.show { display: block; }
.thanks-msg__icon {
  width: 48px;
  height: 48px;
  border: 1px solid var(--color-navy);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--sp-6);
  color: var(--color-navy);
  font-size: 20px;
}
.thanks-msg__title {
  font-family: var(--font-ja);
  font-size: 1.4rem;
  color: var(--color-navy);
  margin-bottom: var(--sp-4);
  letter-spacing: 0.08em;
}
.thanks-msg__text {
  font-size: var(--text-base);
  color: var(--color-muted);
  line-height: var(--leading-loose);
}

/* Contact info sidebar */
.contact-info-item {
  padding: 24px 0;
  border-bottom: 1px solid var(--color-line);
}
.contact-info-item:first-child {
  border-top: 1px solid var(--color-line);
}
.contact-info-label {
  font-size: var(--text-2xs);
  letter-spacing: 0.28em;
  color: var(--color-muted-light);
  margin-bottom: var(--sp-2);
  display: block;
}
.contact-info-value {
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.9;
  word-break: break-all;
}
.contact-note {
  margin-top: var(--sp-8);
  font-size: var(--text-sm);
  line-height: 2;
  color: var(--color-muted);
  padding: 24px;
  background: var(--color-warm);
  border: 1px solid var(--color-line);
}

/* ============================================================
   DIVIDER
   ============================================================ */
.divider {
  height: 1px;
  background: var(--color-line);
  max-width: var(--max-w);
  margin: 0 auto;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 960px) {
  :root { --pad-x: 28px; }

  .header-nav,
  .header-right { display: none; }
  .hamburger { display: flex; }

  .hero {
    padding: 72px var(--pad-x) 88px;
    min-height: max(88svh, 560px);
  }
  .hero::after { display: none; }

  .biz-cards-grid { grid-template-columns: 1fr; }

  .numbers-grid { grid-template-columns: 1fr 1fr; }
  .numbers-grid .num-item:last-child { grid-column: 1 / -1; }

  .footer-inner { grid-template-columns: 1fr; gap: var(--sp-10); }
  .footer-nav { align-items: flex-start; }

  .message-grid { grid-template-columns: 1fr; }
  .message-grid .photo-slot { max-width: 400px; }

  .biz-section__layout { grid-template-columns: 1fr; }
  .biz-section { padding: 72px var(--pad-x); }

  .contact-layout { grid-template-columns: 1fr; }

  .photo-grid-3 { grid-template-columns: 1fr; }
  .photo-grid-3 .photo-slot:first-child { grid-column: auto; }

  .page-hero { padding: 64px var(--pad-x) 52px; }
}

@media (max-width: 600px) {
  :root { --pad-x: 20px; }

  .hero::before { font-size: clamp(7rem, 35vw, 12rem); }

  .numbers-grid { grid-template-columns: 1fr; }
  .numbers-grid .num-item:last-child { grid-column: auto; }

  .biz-card { padding: 44px var(--sp-8); }

  .form-row { grid-template-columns: 1fr; gap: 0; }

  .ota-links { flex-direction: column; align-items: flex-start; }

  .company-table th { width: 120px; }
  .company-table th,
  .company-table td { padding: 16px 14px; font-size: var(--text-sm); }
}

/* ============================================================
   PREFERS-REDUCED-MOTION — 前庭障害ユーザー配慮
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
  }
  .ticker-track { animation: none; }
  .fade-in,
  .fade-in.visible {
    opacity: 1;
    transform: none;
    transition: none;
  }
  html { scroll-behavior: auto; }
}