/* ============================================================
   佐藤住設株式会社 – Main Stylesheet v2
   Color Scheme: Fresh Blue
   Primary:  #264b6f (Dark Navy Blue)
   Mid:      #3a7bd5 (Bright Blue)
   Light:    #e8f2fb (Pale Sky Blue)
   Accent:   #fff100 (Brand Yellow) – in #264b6f boxes
   BG:       #f4f8fc (Very light blue-white)
   Text:     #1a2d3f (Dark blue-black)
   ============================================================ */

/* --------------------------------------------------
   1. CSS Custom Properties
-------------------------------------------------- */
:root {
  /* Blues */
  --c-navy:      #264b6f;
  --c-blue:      #3a7bd5;
  --c-blue-mid:  #2c6cb5;
  --c-sky:       #6aacde;
  --c-pale:      #e8f2fb;
  --c-pale2:     #f0f7ff;
  --c-pale3:     #d6eaf8;

  /* Accent */
  --c-yellow:    #fff100;
  --c-yellow-dk: #e6d800;

  /* Text & BG */
  --c-text:      #1a2d3f;
  --c-text-mid:  #4a6278;
  --c-text-light:#7a9ab5;
  --c-text-inv:  #ffffff;
  --c-bg:        #f4f8fc;
  --c-bg-white:  #ffffff;
  --c-line:      #c8dff0;

  /* Typography */
  --f-serif:   'Noto Serif JP', 'Georgia', serif;
  --f-sans:    'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
  --f-display: 'Cormorant Garamond', 'Times New Roman', serif;

  /* Layout */
  --hdr-h:      76px;
  --container:  1160px;
  --gap-section: 100px;
  --radius:      4px;

  /* Easing */
  --ease:  cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --trans: 0.35s var(--ease);
}

/* --------------------------------------------------
   2. Reset & Base
-------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 62.5%; scroll-behavior: smooth; }
body {
  font-family: var(--f-sans);
  font-size: 1.6rem;
  line-height: 1.8;
  color: var(--c-text);
  background: var(--c-bg);
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; object-fit: cover; }
a { color: inherit; text-decoration: none; transition: opacity var(--trans), color var(--trans); }
a:hover { opacity: .75; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* --------------------------------------------------
   3. Layout
-------------------------------------------------- */
.container {
  width: min(var(--container), 100% - 48px);
  margin-inline: auto;
}
.section { padding-block: var(--gap-section); position: relative; }

/* --------------------------------------------------
   4. Section Labels & Headers
-------------------------------------------------- */
.sec-label {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}
.lbl-en {
  font-family: var(--f-display);
  font-size: 1.15rem;
  font-weight: 400;
  letter-spacing: .3em;
  color: var(--c-blue);
  text-transform: uppercase;
}
.lbl-line {
  display: block;
  width: 40px; height: 1px;
  background: var(--c-sky);
}
.sec-label.light .lbl-en { color: rgba(255,255,255,.75); }
.light-line { background: rgba(255,255,255,.45) !important; }

.sec-title {
  font-family: var(--f-serif);
  font-size: clamp(2.4rem, 3.5vw, 3.6rem);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: .05em;
  color: var(--c-navy);
}
.sec-title.inv { color: #fff; }

.sec-desc {
  font-size: 1.5rem;
  color: var(--c-text-mid);
  line-height: 1.85;
  margin-top: 1.4rem;
}

.sec-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 5rem;
}
.sec-header.center {
  flex-direction: column;
  align-items: center;
  text-align: center;
}

/* --------------------------------------------------
   5. Buttons
-------------------------------------------------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: .8rem;
  padding: 1.3rem 3rem;
  background: var(--c-navy);
  color: var(--c-yellow);
  font-family: var(--f-sans);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: .08em;
  border: 2px solid var(--c-navy);
  transition: background var(--trans), color var(--trans), transform .2s;
}
.btn-primary:hover {
  background: var(--c-blue);
  border-color: var(--c-blue);
  color: #fff;
  opacity: 1;
  transform: translateY(-2px);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: .8rem;
  padding: 1.3rem 3rem;
  background: transparent;
  color: #fff;
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: .08em;
  border: 1px solid rgba(255,255,255,.65);
  transition: all var(--trans);
}
.btn-outline:hover {
  background: rgba(255,255,255,.15);
  border-color: #fff;
  opacity: 1;
}

.btn-yellow {
  display: inline-flex;
  align-items: center;
  gap: .8rem;
  padding: 1.3rem 3rem;
  background: var(--c-yellow);
  color: var(--c-navy);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: .08em;
  border: 2px solid var(--c-yellow);
  transition: all var(--trans);
}
.btn-yellow:hover {
  background: var(--c-navy);
  color: var(--c-yellow);
  border-color: var(--c-navy);
  opacity: 1;
  transform: translateY(-2px);
}

.btn-text {
  display: inline-flex;
  align-items: center;
  gap: .8rem;
  font-family: var(--f-display);
  font-size: 1.3rem;
  letter-spacing: .12em;
  color: var(--c-blue);
  border-bottom: 1px solid var(--c-pale3);
  padding-bottom: .2rem;
  transition: gap var(--trans), color var(--trans);
  white-space: nowrap;
}
.btn-text:hover {
  color: var(--c-navy);
  gap: 1.4rem;
  opacity: 1;
}

/* --------------------------------------------------
   6. HEADER
-------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--hdr-h);
  z-index: 1000;
  background: transparent;
  transition: background var(--trans), box-shadow var(--trans), height var(--trans);
}
.site-header.scrolled {
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 2px 24px rgba(38,75,111,.1);
  height: 64px;
}

.header-inner {
  height: 100%;
  max-width: calc(var(--container) + 48px);
  margin-inline: auto;
  padding-inline: 2.4rem;
  display: flex;
  align-items: center;
  gap: 2rem;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}
.logo-mark {
  width: 40px; height: 40px;
  background: var(--c-navy);
  color: var(--c-yellow);
  font-family: var(--f-display);
  font-size: 2.2rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background var(--trans);
}
.site-header.scrolled .logo-mark { background: var(--c-navy); }
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-ja {
  font-family: var(--f-serif);
  font-size: 1.8rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: .06em;
  transition: color var(--trans);
}
.site-header.scrolled .logo-ja { color: var(--c-navy); }
.logo-en {
  font-family: var(--f-display);
  font-size: .8rem;
  font-weight: 300;
  letter-spacing: .14em;
  color: rgba(255,255,255,.65);
  transition: color var(--trans);
}
.site-header.scrolled .logo-en { color: var(--c-text-light); }

/* Nav */
.global-nav { flex: 1; display: flex; justify-content: center; }
.nav-list { display: flex; align-items: center; }
.nav-list > li { position: relative; }
.nav-list > li > a {
  display: block;
  padding: .8rem 1.4rem;
  font-size: 1.3rem;
  font-weight: 500;
  letter-spacing: .04em;
  color: rgba(255,255,255,.9);
  transition: color var(--trans);
  white-space: nowrap;
}
.site-header.scrolled .nav-list > li > a { color: var(--c-text); }
.nav-list > li > a::after {
  content: '';
  display: block;
  height: 2px;
  background: var(--c-yellow);
  transform: scaleX(0);
  transition: transform var(--trans);
  transform-origin: left;
}
.nav-list > li > a:hover { color: var(--c-yellow); opacity: 1; }
.nav-list > li > a:hover::after { transform: scaleX(1); }
.site-header.scrolled .nav-list > li > a:hover { color: var(--c-blue); }
.nav-list > li > a i { font-size: 1rem; margin-left: .3rem; }

/* Dropdown */
.has-dropdown { position: relative; }
.dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 210px;
  background: #fff;
  border-top: 3px solid var(--c-navy);
  box-shadow: 0 8px 32px rgba(38,75,111,.15);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--trans), transform var(--trans);
  z-index: 200;
}
.has-dropdown:hover .dropdown-menu,
.has-dropdown:focus-within .dropdown-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.dropdown-menu li a {
  display: block;
  padding: 1rem 1.8rem;
  font-size: 1.3rem;
  color: var(--c-text);
  border-bottom: 1px solid var(--c-pale);
  transition: background var(--trans), padding-left var(--trans);
}
.dropdown-menu li:last-child a { border-bottom: none; }
.dropdown-menu li a:hover {
  background: var(--c-pale2);
  padding-left: 2.4rem;
  opacity: 1;
}

/* Header actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  flex-shrink: 0;
}
.header-tel {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-size: 1.4rem;
  font-weight: 700;
  color: rgba(255,255,255,.9);
  letter-spacing: .04em;
  transition: color var(--trans);
}
.site-header.scrolled .header-tel { color: var(--c-navy); }
.header-tel i { font-size: 1.2rem; }
.btn-header-contact {
  padding: .7rem 1.8rem;
  background: var(--c-navy);
  color: var(--c-yellow);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: .06em;
  border: 2px solid var(--c-navy);
  transition: all var(--trans);
}
.btn-header-contact:hover {
  background: var(--c-blue);
  border-color: var(--c-blue);
  color: #fff;
  opacity: 1;
}

/* Hamburger */
.hamburger-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  z-index: 1100;
}
.hamburger-btn span {
  display: block;
  width: 24px; height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all .3s ease;
  transform-origin: center;
}
.site-header.scrolled .hamburger-btn span { background: var(--c-navy); }
.hamburger-btn.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger-btn.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger-btn.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--c-navy);
  z-index: 1050;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 7rem 3.2rem 3.2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity .4s ease;
}
.mobile-menu.open { opacity: 1; pointer-events: auto; }
.mobile-nav-list { display: flex; flex-direction: column; }
.mobile-nav-list li a {
  display: block;
  padding: 1.1rem 0;
  font-family: var(--f-serif);
  font-size: 1.8rem;
  color: rgba(255,255,255,.9);
  border-bottom: 1px solid rgba(255,255,255,.1);
  transition: color var(--trans), padding-left var(--trans);
}
.mobile-nav-list li a:hover { color: var(--c-yellow); padding-left: 1rem; opacity: 1; }
.mobile-cta {
  background: var(--c-yellow) !important;
  color: var(--c-navy) !important;
  text-align: center;
  font-weight: 700;
  border-bottom: none !important;
  margin-top: .8rem;
}
.mobile-tel-block {
  margin-top: 2.4rem;
  text-align: center;
  color: rgba(255,255,255,.6);
}
.mobile-tel-block a {
  font-size: 2.2rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: .1em;
}
.mobile-tel-block i { color: var(--c-yellow); margin-right: .6rem; }
.mobile-tel-block p { font-size: 1.2rem; margin-top: .4rem; }

/* --------------------------------------------------
   7. HERO — Fixed Video BG
-------------------------------------------------- */
.hero-section {
  position: relative;
  height: 100dvh;
  min-height: 600px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  /* overflow: hidden を外して card strip が外に出られるようにする */
}

.hero-video-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
}
.hero-video-bg video {
  width: 100%; height: 100%;
  object-fit: cover;
}
.hero-video-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(26,45,63,.72) 0%,
    rgba(38,75,111,.55) 50%,
    rgba(58,123,213,.30) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--container);
  /* 下部余白を小さく：カードストリップが直後に来るため */
  padding: var(--hdr-h) 2.4rem 6rem;
  display: flex;
  flex-direction: column;
  height: 100%;
  justify-content: center;
}

.hero-text-wrap { max-width: 620px; }

.hero-catch-en {
  font-family: var(--f-display);
  font-size: clamp(1.2rem, 1.8vw, 1.6rem);
  font-weight: 300;
  letter-spacing: .35em;
  color: var(--c-yellow);
  text-transform: uppercase;
  margin-bottom: 1.4rem;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .8s ease .2s, transform .8s ease .2s;
}
.hero-section.loaded .hero-catch-en { opacity: 1; transform: none; }

.hero-heading {
  font-family: var(--f-serif);
  font-size: clamp(3.8rem, 6.5vw, 6.8rem);
  font-weight: 500;
  line-height: 1.28;
  letter-spacing: .06em;
  color: #fff;
  margin-bottom: 2rem;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .8s ease .4s, transform .8s ease .4s;
}
.hero-section.loaded .hero-heading { opacity: 1; transform: none; }

.hero-sub {
  font-size: clamp(1.4rem, 1.8vw, 1.6rem);
  line-height: 1.9;
  color: rgba(255,255,255,.85);
  margin-bottom: 3.6rem;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .8s ease .6s, transform .8s ease .6s;
}
.hero-section.loaded .hero-sub { opacity: 1; transform: none; }

.hero-btns {
  display: flex;
  gap: 1.6rem;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .8s ease .8s, transform .8s ease .8s;
}
.hero-section.loaded .hero-btns { opacity: 1; transform: none; }

/* Scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 4rem;
  left: 2.4rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  color: rgba(255,255,255,.55);
  font-family: var(--f-display);
  font-size: .95rem;
  letter-spacing: .28em;
}
.scroll-bar {
  width: 1px;
  height: 56px;
  background: linear-gradient(to bottom, rgba(255,255,255,.6), transparent);
  animation: scrollAnim 2s ease-in-out infinite;
}
@keyframes scrollAnim {
  0%,100% { transform: scaleY(1); transform-origin: top; }
  50% { transform: scaleY(.3); transform-origin: top; }
  51% { transform: scaleY(0); transform-origin: bottom; }
}

/* ── Hero Card Strip (OLTANA style) ─────────────────────── */
/*
  ヒーロー直下の4枚カード横並び
  – 各カードは大きな写真 + 左下にテキストオーバーレイ
  – 角丸・薄い影・ホバーで画像ズームイン＋黄ボーダー
  – コンテナ背景は淡いスカイブルー
*/
.hero-card-strip {
  /* ヒーローセクションの外（直後）に配置 */
  position: relative;
  z-index: 5;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.6rem;
  background: var(--c-pale2);
  padding: 3.2rem 3.2rem;
  /* ヒーロー動画の fixed 背景が透けないよう白背景を確保 */
  isolation: isolate;
}

/* 各カード */
.hcs-card {
  display: block;
  position: relative;
  overflow: hidden;
  border-radius: 6px;
  border: 2px solid transparent;
  box-shadow: 0 4px 20px rgba(38,75,111,.10);
  transition:
    border-color var(--trans),
    box-shadow var(--trans),
    transform var(--trans);
  cursor: pointer;
  text-decoration: none;
}
.hcs-card:hover {
  border-color: var(--c-yellow);
  box-shadow: 0 10px 36px rgba(38,75,111,.22);
  transform: translateY(-4px);
  opacity: 1;
}

/* 画像エリア */
.hcs-img {
  position: relative;
  aspect-ratio: 4 / 2;
  overflow: hidden;
}
.hcs-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .7s ease;
  display: block;
}
.hcs-card:hover .hcs-img img {
  transform: scale(1.07);
}

/* グラデーションオーバーレイ */
.hcs-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    transparent 30%,
    rgba(26, 45, 63, .65) 100%
  );
  transition: opacity var(--trans);
}
.hcs-card:hover .hcs-overlay {
  opacity: .85;
}

/* テキストボディ（画像の上に絶対配置） */
.hcs-body {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.8rem 2rem 1.6rem;
  display: flex;
  flex-direction: column;
  gap: .4rem;
  pointer-events: none;
}

/* 英字サブラベル */
.hcs-en {
  font-family: var(--f-display);
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: .28em;
  color: var(--c-yellow);
  text-transform: uppercase;
  line-height: 1;
  display: block;
  transition: color var(--trans);
}

/* 日本語メインタイトル */
.hcs-ja {
  font-family: var(--f-serif);
  font-size: clamp(1.6rem, 1.8vw, 2rem);
  font-weight: 500;
  line-height: 1.4;
  color: #fff;
  letter-spacing: .04em;
  margin: 0;
  transition: color var(--trans);
}

/* 矢印アイコン */
.hcs-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px; height: 28px;
  background: var(--c-yellow);
  color: var(--c-navy);
  font-size: 1.1rem;
  border-radius: 50%;
  margin-top: .6rem;
  align-self: flex-start;
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity var(--trans), transform var(--trans);
}
.hcs-card:hover .hcs-arrow {
  opacity: 1;
  transform: translateX(0);
}

/* Floating contact sidebar */
.float-sidebar {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  z-index: 10;
}
.float-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .4rem;
  padding: 1.4rem 1.2rem;
  background: rgba(38,75,111,.8);
  color: rgba(255,255,255,.9);
  font-family: var(--f-display);
  font-size: .9rem;
  letter-spacing: .08em;
  border-left: 3px solid transparent;
  border-bottom: 1px solid rgba(255,255,255,.12);
  backdrop-filter: blur(4px);
  transition: all var(--trans);
}
.float-item:last-child { border-bottom: none; }
.float-item i { font-size: 1.6rem; }
.float-item:hover {
  background: var(--c-navy);
  border-left-color: var(--c-yellow);
  opacity: 1;
  color: var(--c-yellow);
}

/* --------------------------------------------------
   8. NEWS TICKER
-------------------------------------------------- */
.news-ticker {
  position: relative;
  z-index: 5;
  display: flex;
  align-items: center;
  height: 46px;
  background: #fff;
  border-bottom: 1px solid var(--c-line);
  overflow: hidden;
}
.ticker-badge {
  flex-shrink: 0;
  height: 100%;
  padding: 0 2rem;
  background: var(--c-navy);
  color: var(--c-yellow);
  font-family: var(--f-display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: .2em;
  display: flex;
  align-items: center;
}
.ticker-body {
  flex: 1;
  overflow: hidden;
  position: relative;
  height: 100%;
}
.ticker-track {
  display: flex;
  gap: 6rem;
  white-space: nowrap;
  position: absolute;
  top: 0; left: 0;
  height: 100%;
  align-items: center;
  animation: tickerScroll 32s linear infinite;
}
.ticker-track a {
  font-size: 1.3rem;
  color: var(--c-text-mid);
  flex-shrink: 0;
  transition: color var(--trans);
}
.ticker-track a:hover { color: var(--c-navy); opacity: 1; }
@keyframes tickerScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* --------------------------------------------------
   9. ABOUT
-------------------------------------------------- */
.about-section { background: var(--c-bg-white); opacity: 0.7;  }

.split-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7rem;
  align-items: center;
}

.split-text .sec-label { margin-bottom: 1.2rem; }
.split-text .sec-title { margin-bottom: 2rem; }

.about-lead {
  font-family: var(--f-serif);
  font-size: 1.65rem;
  line-height: 1.9;
  color: var(--c-text);
  margin-bottom: 1.6rem;
}
.about-body {
  font-size: 1.5rem;
  line-height: 1.9;
  color: var(--c-text-mid);
  margin-bottom: 3.6rem;
}

.about-nums {
  display: flex;
  align-items: center;
  gap: 2.4rem;
  padding: 2.8rem 0;
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  margin-bottom: 3rem;
}
.num-item {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  min-width: 0;
}
.num-item strong {
  font-family: var(--f-display);
  font-size: clamp(2.6rem, 3.5vw, 4rem);
  font-weight: 600;
  color: var(--c-navy);
  line-height: 1;
  letter-spacing: -.01em;
}
.num-item strong small {
  font-family: var(--f-sans);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--c-text-mid);
}
.num-item span {
  font-size: 1.2rem;
  color: var(--c-text-light);
  letter-spacing: .04em;
}
.num-divider {
  width: 1px;
  height: 48px;
  background: var(--c-line);
  flex-shrink: 0;
}

/* About image stack */
.about-img-stack {
  position: relative;
  aspect-ratio: 4/5;
}
.img-main {
  width: 82%;
  height: 80%;
  overflow: hidden;
}
.img-main img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .8s ease;
}
.img-main:hover img { transform: scale(1.05); }

.img-sub {
  position: absolute;
  bottom: 0; right: 0;
  width: 46%;
  aspect-ratio: 3/4;
  overflow: hidden;
  border: 8px solid var(--c-bg-white);
  box-shadow: 0 8px 32px rgba(38,75,111,.18);
}
.img-sub img { width: 100%; height: 100%; object-fit: cover; }

.est-badge {
  position: absolute;
  top: 1.6rem; right: 1.6rem;
  width: 76px; height: 76px;
  background: var(--c-navy);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: var(--f-display);
  color: var(--c-yellow);
  gap: .1rem;
  box-shadow: 0 4px 16px rgba(38,75,111,.35);
}
.est-badge span { font-size: .9rem; letter-spacing: .12em; }
.est-badge strong { font-size: 1.9rem; font-weight: 600; line-height: 1; }

/* --------------------------------------------------
   10. SERVICES — Alternating rows
-------------------------------------------------- */
.services-section { background: var(--c-bg); }

.service-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: center;
  padding-block: 6rem;
  border-bottom: 1px solid var(--c-line);
}
.service-row:last-of-type { border-bottom: none; }

.service-row.reverse .service-img-col { order: 2; }
.service-row.reverse .service-text-col { order: 1; }

.service-img-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
}
.service-img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .8s ease;
}
.service-img-wrap:hover img { transform: scale(1.05); }

.service-img-badge {
  position: absolute;
  bottom: 0; left: 0;
  width: 56px; height: 56px;
  background: var(--c-navy);
  color: var(--c-yellow);
  font-family: var(--f-display);
  font-size: 2.2rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: -.01em;
}

.service-cat-label {
  display: inline-block;
  padding: .35rem 1.2rem;
  background: var(--c-navy);
  color: var(--c-yellow);
  font-family: var(--f-display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: .2em;
  margin-bottom: 1.4rem;
}

.service-title {
  font-family: var(--f-serif);
  font-size: clamp(2.4rem, 3vw, 3.2rem);
  font-weight: 500;
  line-height: 1.35;
  color: var(--c-navy);
  margin-bottom: 1.6rem;
}

.service-text-col p {
  font-size: 1.5rem;
  line-height: 1.9;
  color: var(--c-text-mid);
  margin-bottom: 2rem;
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: .7rem;
  margin-bottom: 2.8rem;
}
.service-features li {
  display: flex;
  align-items: center;
  gap: .9rem;
  font-size: 1.4rem;
  color: var(--c-text);
}
.service-features i {
  color: var(--c-blue);
  font-size: 1.2rem;
  flex-shrink: 0;
}

/* --------------------------------------------------
   11. REASON — 4-card grid
-------------------------------------------------- */
.reason-section { background: var(--c-pale2); }

.reason-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2.4rem;
}

.reason-card {
  background: var(--c-bg-white);
  padding: 3.2rem 2.4rem;
  border-top: 4px solid var(--c-navy);
  text-align: center;
  transition: transform var(--trans), box-shadow var(--trans);
  position: relative;
}
.reason-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(38,75,111,.15);
}

.reason-icon-wrap {
  width: 64px; height: 64px;
  background: var(--c-navy);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.6rem;
  color: var(--c-yellow);
  font-size: 2.4rem;
}

.reason-num {
  position: absolute;
  top: 1.4rem; right: 1.8rem;
  font-family: var(--f-display);
  font-size: 3.2rem;
  font-weight: 300;
  color: var(--c-pale3);
  line-height: 1;
  letter-spacing: -.02em;
}

.reason-card h3 {
  font-family: var(--f-serif);
  font-size: 1.7rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--c-navy);
  margin-bottom: 1.2rem;
}
.reason-card p {
  font-size: 1.3rem;
  line-height: 1.8;
  color: var(--c-text-mid);
}

/* --------------------------------------------------
   12. WORKS — 3-col grid + filter
-------------------------------------------------- */
.works-section { background: var(--c-bg-white); }

.works-filter {
  display: flex;
  gap: .8rem;
  flex-wrap: wrap;
  margin-bottom: 3.6rem;
}
.filter-btn {
  padding: .7rem 1.8rem;
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--c-text-mid);
  border: 1px solid var(--c-line);
  background: transparent;
  transition: all var(--trans);
  letter-spacing: .04em;
}
.filter-btn:hover,
.filter-btn.is-active {
  background: var(--c-navy);
  color: var(--c-yellow);
  border-color: var(--c-navy);
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.4rem;
}

.work-card {
  background: var(--c-bg-white);
  border: 1px solid var(--c-line);
  overflow: hidden;
  transition: transform var(--trans), box-shadow var(--trans);
}
.work-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(38,75,111,.12);
}
.work-thumb {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}
.work-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .7s ease;
}
.work-card:hover .work-thumb img { transform: scale(1.06); }
.work-tag {
  position: absolute;
  top: 0; left: 0;
  padding: .4rem 1.1rem;
  background: var(--c-navy);
  color: var(--c-yellow);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: .05em;
}
.work-body {
  padding: 1.6rem 2rem;
  border-left: 3px solid var(--c-navy);
}
.work-body h3 {
  font-family: var(--f-serif);
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--c-navy);
  margin-bottom: .5rem;
}
.work-body p {
  font-size: 1.3rem;
  color: var(--c-text-mid);
  line-height: 1.7;
}

/* --------------------------------------------------
   13. FLOW — 5 horizontal steps
-------------------------------------------------- */
.flow-section { background: var(--c-pale2); }

.flow-steps {
  display: flex;
  gap: 0;
  counter-reset: none;
  position: relative;
}
.flow-steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 40px;
  right: 40px;
  height: 2px;
  background: var(--c-pale3);
  z-index: 0;
}

.flow-step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 1.2rem;
  position: relative;
  z-index: 1;
}

.step-icon {
  width: 80px; height: 80px;
  background: var(--c-navy);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-yellow);
  font-size: 2.8rem;
  margin-bottom: 1.6rem;
  flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(38,75,111,.25);
  transition: transform var(--trans);
}
.flow-step:hover .step-icon { transform: scale(1.08); }

.step-num {
  display: inline-block;
  padding: .25rem .9rem;
  background: var(--c-navy);
  color: var(--c-yellow);
  font-family: var(--f-display);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: .15em;
  margin-bottom: .9rem;
}

.flow-step h3 {
  font-family: var(--f-serif);
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--c-navy);
  line-height: 1.45;
  margin-bottom: .8rem;
}
.flow-step p {
  font-size: 1.3rem;
  color: var(--c-text-mid);
  line-height: 1.75;
}

.step-arrow {
  position: absolute;
  right: -1.2rem;
  top: 30px;
  transform: translateY(-50%);
  color: var(--c-sky);
  font-size: 1.4rem;
  z-index: 2;
}
.flow-step:last-child .step-arrow { display: none; }

/* --------------------------------------------------
   14. VOICE — circular avatar slider
-------------------------------------------------- */
.voice-section { background: var(--c-bg-white); }

.voice-slider-wrap { overflow: hidden; position: relative; }

.voice-track {
  display: flex;
  gap: 2.4rem;
  transition: transform .5s var(--ease);
}

.voice-card {
  flex-shrink: 0;
  width: calc(33.333% - 1.6rem);
  background: var(--c-bg-white);
  border: 1px solid var(--c-line);
  padding: 3.2rem 2.8rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.4rem;
  border-top: 3px solid var(--c-navy);
  transition: transform var(--trans), box-shadow var(--trans);
}
.voice-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 32px rgba(38,75,111,.1);
}

.voice-avatar {
  width: 80px; height: 80px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--c-pale3);
  flex-shrink: 0;
}
.voice-avatar img { width: 100%; height: 100%; object-fit: cover; }

.voice-stars {
  color: var(--c-blue);
  font-size: 1.5rem;
  letter-spacing: .1rem;
}

.voice-card blockquote {
  font-family: var(--f-serif);
  font-size: 1.45rem;
  line-height: 1.85;
  color: var(--c-text);
  font-style: normal;
  flex: 1;
}

.voice-card footer {
  padding-top: 1.4rem;
  border-top: 1px solid var(--c-line);
  width: 100%;
}
.voice-card footer cite {
  display: block;
  font-family: var(--f-serif);
  font-size: 1.5rem;
  font-style: normal;
  font-weight: 500;
  color: var(--c-navy);
}
.voice-card footer span {
  font-size: 1.2rem;
  color: var(--c-text-light);
}

.voice-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.6rem;
  margin-top: 3.6rem;
}
.vc-prev, .vc-next {
  width: 42px; height: 42px;
  border: 1px solid var(--c-line);
  background: transparent;
  color: var(--c-navy);
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--trans);
}
.vc-prev:hover, .vc-next:hover {
  background: var(--c-navy);
  color: var(--c-yellow);
  border-color: var(--c-navy);
}
.vc-dots { display: flex; gap: .7rem; }
.vdot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--c-line);
  transition: all var(--trans);
}
.vdot.active {
  background: var(--c-navy);
  width: 24px;
  border-radius: 4px;
}

/* --------------------------------------------------
   15. RECRUIT — image left / text right
-------------------------------------------------- */
.recruit-section { padding-block: 0; }
.recruit-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 480px;
}
.recruit-img-col { overflow: hidden; }
.recruit-img-col img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .8s ease;
}
.recruit-img-col:hover img { transform: scale(1.04); }
.recruit-text-col {
  background: var(--c-navy);
  padding: 7rem 6rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2rem;
}
.recruit-text-col h2 {
  font-family: var(--f-serif);
  font-size: clamp(2.4rem, 3.5vw, 3.4rem);
  font-weight: 500;
  color: #fff;
  line-height: 1.45;
  letter-spacing: .05em;
}
.recruit-text-col p {
  font-size: 1.5rem;
  line-height: 1.9;
  color: rgba(255,255,255,.75);
}

/* --------------------------------------------------
   16. NEWS
-------------------------------------------------- */
.news-section { background: var(--c-pale2); }
.news-list { display: flex; flex-direction: column; }
.news-item { border-bottom: 1px solid var(--c-line); }
.news-item:first-child { border-top: 1px solid var(--c-line); }
.news-item a {
  display: flex;
  align-items: flex-start;
  gap: 1.8rem;
  padding: 1.8rem 0;
  flex-wrap: wrap;
  transition: background var(--trans);
}
.news-item a:hover { opacity: 1; }
.news-item a:hover .news-ttl { color: var(--c-blue); }
.news-item time {
  font-family: var(--f-display);
  font-size: 1.3rem;
  color: var(--c-text-light);
  letter-spacing: .1em;
  white-space: nowrap;
  flex-shrink: 0;
  padding-top: .15rem;
}
.ntag {
  display: inline-flex;
  align-items: center;
  padding: .2rem 1rem;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: .04em;
  flex-shrink: 0;
  white-space: nowrap;
}
.ntag-campaign { background: var(--c-navy); color: var(--c-yellow); }
.ntag-info     { background: var(--c-pale); color: var(--c-navy); border: 1px solid var(--c-pale3); }
.ntag-recruit  { background: var(--c-blue); color: #fff; }
.news-ttl {
  font-size: 1.5rem;
  color: var(--c-text);
  line-height: 1.6;
  transition: color var(--trans);
}

/* --------------------------------------------------
   17. CONTACT
-------------------------------------------------- */
.contact-section { background: var(--c-bg-white); }

/* Sea band */
.contact-sea-band {
  position: relative;
  height: 260px;
  overflow: hidden;
}
.contact-sea-band img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.sea-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right,
    rgba(38,75,111,.8) 0%,
    rgba(38,75,111,.5) 60%,
    rgba(58,123,213,.3) 100%
  );
}
.sea-text {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  color: #fff;
  gap: .8rem;
}
.sea-text h2 {
  font-family: var(--f-serif);
  font-size: clamp(2.4rem, 4vw, 4rem);
  font-weight: 500;
  letter-spacing: .05em;
}
.sea-text p {
  font-size: 1.5rem;
  color: rgba(255,255,255,.82);
}

/* Contact body */
.contact-body { padding-block: 8rem; }

.contact-grid {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 5.6rem;
  align-items: start;
}

.contact-tel-col { position: sticky; top: calc(var(--hdr-h) + 2rem); }
.ctl-inner {
  background: var(--c-navy);
  padding: 4rem 3rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
}
.ctl-icon { font-size: 3rem; color: var(--c-yellow); }
.ctl-title {
  font-family: var(--f-serif);
  font-size: 1.6rem;
  color: #fff;
  font-weight: 500;
}
.ctl-num {
  font-family: var(--f-display);
  font-size: 2.8rem;
  font-weight: 600;
  letter-spacing: .05em;
  color: var(--c-yellow);
  display: block;
  line-height: 1;
}
.ctl-hours {
  font-size: 1.2rem;
  color: rgba(255,255,255,.6);
  line-height: 1.7;
}
.ctl-divider {
  width: 40px; height: 1px;
  background: rgba(255,255,255,.2);
  margin-block: .5rem;
}
.ctl-line-btn {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  padding: .9rem 2rem;
  background: #06c755;
  color: #fff;
  font-size: 1.3rem;
  font-weight: 700;
  border-radius: 4px;
  transition: opacity var(--trans), transform .2s;
}
.ctl-line-btn:hover { opacity: .85; transform: translateY(-2px); }
.ctl-line-btn i { font-size: 1.8rem; }

/* Form */
.cform-title {
  font-family: var(--f-serif);
  font-size: 1.8rem;
  font-weight: 500;
  color: var(--c-navy);
  margin-bottom: 2.4rem;
  padding-bottom: 1.2rem;
  border-bottom: 2px solid var(--c-navy);
}
.cform { display: flex; flex-direction: column; gap: 1.8rem; }
.cform-row { width: 100%; }
.cform-row.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}
.cform-group { display: flex; flex-direction: column; gap: .5rem; }
.cform-group label {
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--c-text);
  display: flex;
  align-items: center;
  gap: .8rem;
}
.req {
  font-size: 1rem;
  background: #c0392b;
  color: #fff;
  padding: .1rem .5rem;
  font-weight: 700;
}
.cform-group input,
.cform-group select,
.cform-group textarea {
  padding: 1.1rem 1.4rem;
  border: 1px solid var(--c-line);
  background: #fff;
  font-family: var(--f-sans);
  font-size: 1.5rem;
  color: var(--c-text);
  outline: none;
  width: 100%;
  appearance: none;
  transition: border-color var(--trans), box-shadow var(--trans);
}
.cform-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23264b6f' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1.4rem center;
  padding-right: 3.6rem;
}
.cform-group input:focus,
.cform-group select:focus,
.cform-group textarea:focus {
  border-color: var(--c-navy);
  box-shadow: 0 0 0 3px rgba(38,75,111,.1);
}
.cform-group textarea { resize: vertical; min-height: 130px; }
.cerr {
  font-size: 1.2rem;
  color: #c0392b;
  min-height: 1.5rem;
  display: block;
}

.cform-privacy { flex-direction: row; align-items: flex-start; gap: 1rem; }
.chk-label {
  display: flex;
  align-items: center;
  gap: .9rem;
  font-size: 1.4rem;
  cursor: pointer;
  flex-wrap: wrap;
}
.chk-label input[type="checkbox"] { width: auto; accent-color: var(--c-navy); }
.chk-label a { color: var(--c-blue); text-decoration: underline; }

.cform-submit { display: flex; }
.btn-submit { min-width: 200px; justify-content: center; }

.cform-success {
  padding: 1.8rem 2rem;
  background: var(--c-pale2);
  border-left: 4px solid var(--c-navy);
  font-size: 1.5rem;
  color: var(--c-navy);
  display: flex;
  align-items: center;
  gap: 1rem;
}
.cform-success i { font-size: 2rem; color: var(--c-blue); }

/* --------------------------------------------------
   18. FOOTER
-------------------------------------------------- */
.site-footer { background: var(--c-navy); }

.footer-top { padding-block: 6rem; }
.footer-top-inner {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 6rem;
  align-items: start;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}
.ft-brand .logo-ja { color: #fff; }
.ft-brand .logo-en { color: rgba(255,255,255,.5); }

address {
  font-style: normal;
  font-size: 1.3rem;
  line-height: 2;
  color: rgba(255,255,255,.6);
  margin-bottom: 2rem;
}
address a { color: rgba(255,255,255,.6); }
address a:hover { color: var(--c-yellow); opacity: 1; }

.ft-sns { display: flex; gap: 1rem; }
.ft-sns a {
  width: 38px; height: 38px;
  background: rgba(255,255,255,.1);
  color: rgba(255,255,255,.7);
  font-size: 1.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--trans);
}
.ft-sns a:hover {
  background: var(--c-yellow);
  color: var(--c-navy);
  opacity: 1;
}

.ft-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4rem;
}
.ft-nav-col h3 {
  font-family: var(--f-display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: .2em;
  color: var(--c-yellow);
  text-transform: uppercase;
  margin-bottom: 1.4rem;
  padding-bottom: .8rem;
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.ft-nav-col ul { display: flex; flex-direction: column; gap: .7rem; }
.ft-nav-col ul a {
  font-size: 1.3rem;
  color: rgba(255,255,255,.6);
  transition: color var(--trans), padding-left var(--trans);
  padding-left: 0;
}
.ft-nav-col ul a:hover { color: #fff; padding-left: .6rem; opacity: 1; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding-block: 2rem;
}
.footer-bottom p {
  font-size: 1.2rem;
  color: rgba(255,255,255,.38);
  text-align: center;
  letter-spacing: .04em;
}

/* --------------------------------------------------
   19. PAGE TOP
-------------------------------------------------- */
.page-top {
  position: fixed;
  bottom: 3rem; right: 3rem;
  width: 50px; height: 50px;
  background: var(--c-navy);
  color: var(--c-yellow);
  font-size: 1.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 500;
  box-shadow: 0 4px 20px rgba(38,75,111,.3);
  opacity: 0;
  transform: translateY(14px);
  transition: all var(--trans);
}
.page-top.visible { opacity: 1; transform: translateY(0); }
.page-top:hover {
  background: var(--c-blue);
  color: #fff;
  transform: translateY(-3px);
}

/* --------------------------------------------------
   20. Scroll Animations
-------------------------------------------------- */
.js-fade {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .65s ease, transform .65s ease;
}
.js-fade.is-visible { opacity: 1; transform: none; }

.js-fade-left {
  opacity: 0;
  transform: translateX(-36px);
  transition: opacity .65s ease, transform .65s ease;
}
.js-fade-left.is-visible { opacity: 1; transform: none; }

.js-fade-right {
  opacity: 0;
  transform: translateX(36px);
  transition: opacity .65s ease, transform .65s ease;
}
.js-fade-right.is-visible { opacity: 1; transform: none; }

/* --------------------------------------------------
   21. RESPONSIVE — Tablet ≤ 1024px
-------------------------------------------------- */
@media (max-width: 1024px) {
  :root { --gap-section: 72px; }

  .global-nav, .header-actions { display: none; }
  .hamburger-btn { display: flex; }

  /* About */
  .split-row { grid-template-columns: 1fr; gap: 4rem; }
  .about-img-stack { max-width: 480px; margin: 0 auto; }

  /* Services */
  .service-row { grid-template-columns: 1fr; gap: 3.2rem; }
  .service-row.reverse .service-img-col { order: 0; }
  .service-row.reverse .service-text-col { order: 0; }

  /* Reason */
  .reason-grid { grid-template-columns: repeat(2, 1fr); }

  /* Works */
  .works-grid { grid-template-columns: repeat(2, 1fr); }

  /* Flow */
  .flow-steps { flex-direction: column; }
  .flow-steps::before { display: none; }
  .flow-step { flex-direction: row; text-align: left; padding: 0; gap: 2rem; padding-bottom: 2rem; border-bottom: 1px solid var(--c-line); }
  .flow-step:last-child { border-bottom: none; }
  .step-icon { flex-shrink: 0; }
  .step-arrow { position: static; transform: none; color: var(--c-sky); margin-top: auto; }
  .flow-step:last-child .step-arrow { display: none; }

  /* Voice */
  .voice-card { width: calc(50% - 1.2rem); }

  /* Recruit */
  .recruit-inner { grid-template-columns: 1fr; }
  .recruit-img-col { height: 300px; }
  .recruit-text-col { padding: 5rem 4rem; }

  /* Contact */
  .contact-grid { grid-template-columns: 1fr; }
  .contact-tel-col { position: static; }
  .ctl-inner { flex-direction: row; flex-wrap: wrap; justify-content: center; gap: 1.6rem; padding: 2.4rem; }

  /* Hero Card Strip — tablet: 2x2 grid */
  .hero-card-strip {
    grid-template-columns: repeat(2, 1fr);
    padding: 2.4rem 2rem;
    gap: 1.2rem;
  }

  /* Footer */
  .footer-top-inner { grid-template-columns: 1fr; gap: 4rem; }
  .ft-nav { grid-template-columns: repeat(2, 1fr); gap: 2.4rem; }
}

/* --------------------------------------------------
   22. RESPONSIVE — Mobile ≤ 768px
-------------------------------------------------- */
@media (max-width: 768px) {
  :root { --gap-section: 52px; --hdr-h: 62px; }
  html { font-size: 58%; }

  .header-inner { padding-inline: 1.6rem; }

  /* Hero */
  .hero-btns { flex-direction: column; align-items: flex-start; }
  .hero-scroll { display: none; }

  /* Hero Card Strip — mobile: 2x2 grid, compact */
  .hero-card-strip {
    grid-template-columns: repeat(2, 1fr);
    padding: 1.6rem 1.2rem;
    gap: 1rem;
  }
  .hcs-body { padding: 1.2rem 1.2rem 1rem; }
  .hcs-en { font-size: .85rem; }
  .hcs-ja { font-size: 1.5rem; }
  .hcs-arrow { width: 22px; height: 22px; font-size: .9rem; }

  .float-sidebar {
    flex-direction: row;
    right: auto; top: auto;
    left: 0; bottom: 0;
    transform: none;
    width: 100%;
  }
  .float-item { flex: 1; flex-direction: row; border-left: none; border-top: 3px solid transparent; border-right: 1px solid rgba(255,255,255,.15); justify-content: center; }
  .float-item:last-child { border-right: none; }

  /* About */
  .about-nums { flex-direction: column; align-items: flex-start; gap: 1.6rem; }
  .num-divider { display: none; }

  /* Reason */
  .reason-grid { grid-template-columns: 1fr; }

  /* Works */
  .works-grid { grid-template-columns: 1fr; }

  /* Flow */
  .flow-step { flex-direction: column; align-items: center; text-align: center; }

  /* Voice */
  .voice-card { width: 100%; }

  /* Recruit */
  .recruit-text-col { padding: 4rem 2.4rem; }

  /* Contact form */
  .cform-row.two-col { grid-template-columns: 1fr; }

  /* Footer */
  .ft-nav { grid-template-columns: 1fr 1fr; gap: 2rem; }

  /* Sec header */
  .sec-header { flex-direction: column; align-items: flex-start; gap: 1.4rem; }

  /* News */
  .news-item a { gap: .8rem; }

  /* Page top */
  .page-top { bottom: 1.6rem; right: 1.6rem; width: 44px; height: 44px; }

  .contact-sea-band { height: 200px; }
  .contact-body { padding-block: 5rem; }
}

/* --------------------------------------------------
   23. Accessibility
-------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  .ticker-track { animation: none; }
}
:focus-visible { outline: 2px solid var(--c-blue); outline-offset: 3px; }