/* ============================================================
   HAL Lab. — Complete Redesign v2
   World-class UI/UX | Fully Responsive
   Mobile / Tablet / Desktop
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;700&family=Noto+Serif+JP:wght@400;500;700&family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400;1,600&family=Cormorant+Garamond:ital,wght@0,400;0,600;1,400&display=swap');

/* ============================================================
   RESET
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
img, svg { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
table { border-collapse: collapse; width: 100%; }

/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
  /* Backgrounds — semi-transparent to reveal marble body texture */
  --bg-base:    rgba(255,255,255,0.82);
  --bg-2:       rgba(246,247,250,0.78);
  --bg-3:       rgba(236,240,248,0.78);
  --bg-card:    rgba(255,255,255,0.93);
  --bg-glass:   rgba(255,255,255,0.97);

  /* Brand accent — exact match to HAL Lab. logo color (terracotta orange) */
  --gold:       #c8621a;
  --gold-lt:    #d97a30;
  --gold-dk:    #a04e12;
  --gold-5:     rgba(200,98,26,0.05);
  --gold-10:    rgba(200,98,26,0.08);
  --gold-20:    rgba(200,98,26,0.12);
  --gold-40:    rgba(200,98,26,0.32);

  /* Teal accent (health/science) */
  --teal:       #1e88a8;
  --teal-dim:   rgba(30,136,168,0.10);

  /* Typography — near-black */
  --text:       #111111;
  --text-2:     #222222;
  --text-3:     #555555;
  --text-inv:   #ffffff;

  /* Borders */
  --line:       rgba(13,31,60,0.22);
  --line-sub:   rgba(13,31,60,0.13);

  /* Fonts */
  --f-serif:    'Noto Serif JP', 'Cormorant Garamond', Georgia, serif;
  --f-sans:     'Noto Sans JP', 'Helvetica Neue', Arial, sans-serif;
  --f-en:       'Playfair Display', 'Cormorant Garamond', Georgia, serif;
  --f-en-sans:  'Helvetica Neue', Arial, sans-serif;

  /* Layout */
  --nav-h:      80px;
  --max-w:      1200px;
  --max-w-text: 760px;
  --px:         clamp(1.25rem, 5vw, 3.5rem);
  --py:         clamp(4rem, 9vw, 9rem);

  /* Misc */
  --radius:     3px;
  --radius-md:  5px;
  --radius-lg:  8px;
  --ease:       cubic-bezier(0.4, 0, 0.2, 1);
  --t:          0.24s;
  --shadow-sm:  0 1px 8px rgba(0,0,0,0.18), 0 1px 4px rgba(0,0,0,0.12);
  --shadow:     0 6px 32px rgba(0,0,0,0.24), 0 2px 10px rgba(0,0,0,0.15);
  --shadow-lg:  0 16px 56px rgba(0,0,0,0.30), 0 4px 18px rgba(0,0,0,0.18);
}

/* ============================================================
   BASE
   ============================================================ */
body {
  font-family: var(--f-sans);
  background-color: #f8f7f5;
  color: var(--text);
  line-height: 1.88;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
/* 全ページ共通：ゴールド大理石背景ベース */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image: url('../img/marble-ref.png');
  background-size: cover;
  background-position: center center;
  filter: contrast(1.2) saturate(1.3) brightness(1.0);
}

/* ページ別：パターンを変える（位置・反転・ズーム） */
body.page-index::before {
  background-image: url('../img/marble-ref2.png');
  background-position: 30% 40%;
  background-size: 115%;
  filter: contrast(1.15) saturate(1.4) brightness(1.02);
}
body.page-about::before {
  background-position: 70% 60%;
  background-size: 120%;
  transform: scaleX(-1);
}
body.page-services::before {
  background-position: 20% 70%;
  background-size: 130%;
  transform: scale(-1);
}
body.page-achievements::before {
  background-position: 65% 30%;
  background-size: 125%;
  transform: scaleY(-1);
}
body.page-news::before {
  background-position: 80% 55%;
  background-size: 118%;
  transform: scaleX(-1) scaleY(-1) translateX(0);
}
body.page-company::before {
  background-position: 15% 75%;
  background-size: 122%;
}

::selection { background: rgba(240,38,38,0.14); color: var(--text); }

/* Skip link for accessibility */
.skip-link {
  position: fixed;
  top: -100%;
  left: 1rem;
  z-index: 9999;
  background: var(--gold);
  color: var(--text-inv);
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 700;
  transition: top 0.2s;
}
.skip-link:focus { top: 1rem; }

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.72s var(--ease), transform 0.72s var(--ease);
}
.reveal.in {
  opacity: 1;
  transform: none;
}
.d1 { transition-delay: 0.10s !important; }
.d2 { transition-delay: 0.20s !important; }
.d3 { transition-delay: 0.30s !important; }
.d4 { transition-delay: 0.45s !important; }

/* ============================================================
   LOGO COMPONENT
   ============================================================ */
.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--gold);
  text-decoration: none;
  flex-shrink: 0;
}
.logo-mark {
  width: 40px;
  height: 29px;
  flex-shrink: 0;
  color: var(--gold);
  transition: opacity var(--t);
}
.logo:hover .logo-mark { opacity: 0.8; }
.logo-text {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.logo-name {
  font-family: var(--f-en);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1;
  color: var(--gold);
}
.logo-sub {
  font-family: var(--f-sans);
  font-size: 0.54rem;
  letter-spacing: 0.12em;
  color: var(--text-3);
  font-weight: 300;
  line-height: 1;
  margin-top: 0.25rem;
  display: none; /* shown on tablet+ */
}

/* Hero-size logo */
.logo-hero {
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}
.logo-hero .logo-mark { width: 64px; height: 46px; }
.logo-hero .logo-name { font-size: 3.5rem; }
.logo-hero .logo-sub {
  display: block;
  font-size: 0.68rem;
  text-align: center;
  color: var(--text-2);
}

/* Footer logo */
.logo-footer .logo-name { font-size: 1.75rem; }
.logo-footer .logo-sub { display: block; }

/* Image logo */
.logo-img {
  height: 64px;
  width: auto;
  border-radius: 0;
  flex-shrink: 0;
  transition: opacity var(--t), transform var(--t);
  box-shadow: 0 2px 12px rgba(0,0,0,0.18);
}
.logo:hover .logo-img { opacity: 0.85; transform: scale(1.02); }
.logo-footer .logo-img { height: 150px; width: auto; }

/* ナビゲーション内ロゴ：サブタイトルをクリップして大きく表示 */
.nav .logo {
  overflow: hidden;
  height: 58px;
  align-items: flex-start;
}
.nav .logo .logo-img {
  height: 82px;
  box-shadow: none;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--px);
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(20px) saturate(1.15);
  -webkit-backdrop-filter: blur(20px) saturate(1.15);
  box-shadow: 0 1px 0 rgba(13,31,60,0.18), 0 2px 16px rgba(13,31,60,0.07);
  transition:
    background var(--t) var(--ease),
    box-shadow var(--t) var(--ease);
}
.nav.scrolled {
  background: var(--bg-glass);
  backdrop-filter: blur(20px) saturate(1.1);
  -webkit-backdrop-filter: blur(20px) saturate(1.1);
  box-shadow: 0 1px 0 var(--line), 0 4px 24px rgba(13,31,60,0.08);
}

/* Desktop links */
.nav-links {
  display: none;
  align-items: center;
  gap: 1.75rem;
}
.nav-links a {
  font-size: 1.29rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  color: var(--text-2);
  position: relative;
  padding-bottom: 2px;
  transition: color var(--t);
  white-space: nowrap;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width var(--t) var(--ease);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--gold);
  font-weight: 700;
}
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.nav-login {
  display: inline-flex;
  align-items: center;
  font-size: 1.23rem;
  letter-spacing: 0.12em;
  color: var(--gold);
  border: 1px solid var(--gold-20);
  padding: 0.35rem 1rem;
  border-radius: var(--radius);
  transition: background var(--t), border-color var(--t);
}
.nav-login:hover {
  background: var(--gold-10);
  border-color: var(--gold-40);
  color: var(--gold);
}

/* Hamburger */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 4px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.hamburger span {
  display: block;
  height: 1.5px;
  border-radius: 2px;
  background: var(--text);
  transition: transform var(--t) var(--ease), opacity var(--t), width var(--t);
  transform-origin: center;
}
.hamburger span:last-child { width: 65%; }
.hamburger.open span:first-child  { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:last-child   { width: 100%; transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile overlay */
.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 800;
  background: var(--bg-2);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.25rem;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.35s var(--ease);
}
.nav-overlay.open {
  opacity: 1;
  pointer-events: all;
}
.nav-overlay a {
  font-family: var(--f-serif);
  font-size: clamp(1.25rem, 5vw, 1.75rem);
  letter-spacing: 0.15em;
  color: var(--text-2);
  transition: color var(--t);
}
.nav-overlay a:hover { color: var(--gold); }
.nav-overlay .nav-login {
  margin-top: 0.5rem;
  font-family: var(--f-sans);
  font-size: 0.8rem;
}
.nav-overlay-line {
  width: 40px;
  height: 1px;
  background: var(--line);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--bg-base);
}

/* Layered atmospheric background */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 40%, rgba(30,136,168,0.10) 0%, transparent 60%),
    radial-gradient(ellipse 60% 60% at 80% 60%, rgba(240,38,38,0.06) 0%, transparent 55%),
    linear-gradient(165deg, #f8fbff 0%, #edf3fc 45%, #f5f9ff 100%);
}

/* Grid texture — disabled for clean light theme */
.hero-grid { display: none; }

/* Decorative large background mark */
.hero-watermark {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}
.hero-watermark svg {
  width: min(600px, 80vw);
  opacity: 0.07;
  color: var(--gold);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: calc(var(--nav-h) + 3rem) var(--px) 5rem;
  width: 100%;
  max-width: 900px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  letter-spacing: 0.28em;
  color: var(--gold);
  font-family: var(--f-sans);
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 2.5rem;
}
.hero-eyebrow::before,
.hero-eyebrow::after {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--gold-40);
}

.hero-logo { margin-bottom: 2rem; }

.hero-tagline {
  font-family: var(--f-serif);
  font-size: clamp(1.15rem, 3.5vw, 1.7rem);
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--text);
  line-height: 1.8;
  margin-bottom: 1.25rem;
  margin-top: 2rem;
}

.hero-desc {
  font-size: clamp(0.78rem, 2vw, 0.9rem);
  color: var(--text-2);
  letter-spacing: 0.07em;
  line-height: 2.1;
}

/* Scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}
.hero-scroll-label {
  font-size: 0.58rem;
  letter-spacing: 0.3em;
  color: var(--gold);
  font-family: var(--f-sans);
}
.hero-scroll-bar {
  width: 1px;
  height: 56px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: scrollDown 2.2s ease-in-out infinite;
}
@keyframes scrollDown {
  0%   { opacity: 0; transform: scaleY(0); transform-origin: top; }
  40%  { opacity: 1; }
  100% { opacity: 0; transform: scaleY(1); transform-origin: top; }
}

/* ============================================================
   MESSAGE SECTION  (#message)
   ============================================================ */
.section-message {
  padding: clamp(4rem, 8vw, 7rem) 0 0;
  background: var(--bg-2);
  position: relative;
  overflow: hidden;
}
.section-message::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold-40), transparent);
}
.section-message::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold-40), transparent);
}

.message-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}

/* Editorial 2-column layout: text + tower photo */
.msg-layout {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  align-items: stretch;
}
.msg-photo {
  height: auto;
  min-height: clamp(340px, 38vw, 480px);
  position: relative;
  overflow: hidden;
}
.msg-content {
  padding: clamp(2.5rem, 5vw, 4.5rem) var(--px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.msg-photo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}
/* Hero brand label overlay — covers baked-in image text, shows in logo color */
.hero-hal-label {
  position: absolute;
  top: 35%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  padding: 0.6em 2.5em 0.75em;
  background: rgba(255,255,255,0.80);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: var(--radius-md);
  pointer-events: none;
  white-space: nowrap;
}
.hero-hal-name {
  display: block;
  font-family: var(--f-en);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.06em;
  line-height: 1.2;
}
.hero-hal-sub {
  display: block;
  font-family: var(--f-en);
  font-size: clamp(0.8rem, 1.6vw, 1rem);
  font-style: italic;
  color: var(--gold);
  letter-spacing: 0.14em;
  margin-top: 0.25em;
}
@media (max-width: 640px) {
  .hero-hal-label { top: 32%; padding: 0.5em 1.5em 0.6em; }
  .hero-hal-name { font-size: 1.6rem; }
  .hero-hal-sub { font-size: 0.72rem; }
}

/* Sky caption — hero banner 内、空エリア（上部右寄り）に配置 */
.hero-sky-caption {
  position: absolute;
  bottom: clamp(1.5rem, 6%, 3.5rem);
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  white-space: nowrap;
  pointer-events: none;
}
.hero-sky-tagline {
  font-family: var(--f-serif);
  font-size: clamp(1.05rem, 2.4vw, 1.5rem);
  font-weight: 600;
  color: #111111;
  margin: 0 0 0.45em;
  white-space: nowrap;
  text-shadow: 0 1px 6px rgba(255,255,255,0.7);
  letter-spacing: 0.04em;
}
.hero-sky-desc {
  font-size: clamp(0.75rem, 1.5vw, 0.95rem);
  color: #222222;
  margin: 0;
  line-height: 1.7;
  text-shadow: 0 1px 5px rgba(255,255,255,0.65);
  letter-spacing: 0.02em;
  white-space: nowrap;
}
@media (max-width: 640px) {
  .hero-sky-caption {
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
  }
  .hero-sky-tagline { font-size: 1rem; }
}
@media (max-width: 800px) {
  .msg-layout { grid-template-columns: 1fr; }
  .msg-photo { height: 320px; position: relative; }
  .msg-photo img { position: absolute; }
  .msg-content { padding: var(--py) var(--px); }
}

.section-message .msg-gallery {
  margin-top: 3rem;
  border-radius: 0;
  margin-left: calc(-1 * var(--px));
  margin-right: calc(-1 * var(--px));
  margin-bottom: calc(-1 * var(--py));
}

.message-label {
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  color: var(--gold);
  font-family: var(--f-sans);
  text-transform: uppercase;
  display: block;
  margin-bottom: 1.5rem;
}

.message-heading {
  font-family: var(--f-serif);
  font-size: clamp(1.5rem, 4.5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1.75;
  color: var(--text);
}
.message-heading em {
  font-style: normal;
  color: var(--gold);
  white-space: nowrap;
}

.message-body {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.message-body p {
  font-size: clamp(1.23rem, 2.7vw, 1.43rem);
  color: var(--text-2);
  line-height: 2.0;
  letter-spacing: 0.05em;
}

.message-sig {
  margin-top: 0.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line-sub);
}
.message-sig-role {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--gold);
  margin-bottom: 0.35rem;
}
.message-sig-name {
  font-family: var(--f-serif);
  font-size: 1.2rem;
  color: var(--text);
  letter-spacing: 0.1em;
}

/* ============================================================
   SECTION COMMONS
   ============================================================ */
.section {
  padding: var(--py) var(--px);
  position: relative;
}
.section--dark  { background: var(--bg-base); }
.section--mid   { background: var(--bg-2); }
.section--deep  { background: var(--bg-3); }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
}
.container--text {
  max-width: var(--max-w-text);
  margin: 0 auto;
}

/* Section header */
.sec-label {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.72rem;
  letter-spacing: 0.26em;
  color: var(--gold);
  font-family: var(--f-sans);
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 0.9rem;
}
.sec-label::after {
  content: '';
  display: block;
  width: 28px;
  height: 1px;
  background: var(--gold-40);
}

.sec-title {
  font-family: var(--f-serif);
  font-size: clamp(1.5rem, 4vw, 2.4rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.45;
  color: var(--text);
}
.sec-title-en {
  font-family: var(--f-en);
  font-size: clamp(2rem, 5.5vw, 3.5rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1.15;
  color: var(--text);
}
.sec-rule {
  width: 36px;
  height: 3px;
  background: var(--gold);
  margin: 1rem 0;
  border-radius: 0;
}
.sec-rule--center { margin: 1.2rem auto; }

.sec-lead {
  font-size: clamp(0.82rem, 2vw, 0.95rem);
  color: var(--text-2);
  letter-spacing: 0.06em;
  line-height: 2;
  max-width: 580px;
}

/* Section divider */
.sec-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--gold-20) 30%, var(--line) 50%, var(--gold-20) 70%, transparent 100%);
  margin: 0;
}

/* ============================================================
   MISSION
   ============================================================ */
.mission-wrap {
  padding: var(--py) var(--px);
  background:
    radial-gradient(ellipse 70% 60% at 50% 50%, rgba(30,136,168,0.08) 0%, transparent 65%),
    var(--bg-2);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.mission-statement {
  font-family: var(--f-serif);
  font-size: clamp(1.25rem, 4.5vw, 2.2rem);
  font-weight: 700;
  letter-spacing: 0.15em;
  line-height: 1.75;
  color: var(--text);
  max-width: 700px;
  margin: 0 auto 3.5rem;
}

.pillars {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  max-width: 900px;
  margin: 0 auto;
  background: transparent;
  border: none;
  overflow: visible;
}
.pillar {
  background: var(--bg-card);
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(13,31,60,0.13);
  border-top: 3px solid var(--gold-20);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--t), transform var(--t), border-color var(--t);
}
.pillar:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
  border-top-color: var(--gold);
}
.pillar-num {
  font-family: var(--f-en);
  font-size: 2rem;
  color: var(--gold-20);
  line-height: 1;
  font-weight: 600;
}
.pillar-en {
  font-family: var(--f-en);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--gold);
  font-style: italic;
  letter-spacing: 0.03em;
  line-height: 1.3;
}
.pillar-ja {
  font-size: 0.96rem;
  color: var(--text-2);
  font-weight: 500;
  letter-spacing: 0.1em;
  line-height: 1.6;
}
.pillar-desc {
  font-size: 0.88rem;
  color: var(--text-3);
  letter-spacing: 0.04em;
  line-height: 1.8;
  border-top: 1px solid var(--line-sub);
  padding-top: 0.75rem;
  margin-top: 0.25rem;
}

/* ============================================================
   TEAM CARDS
   ============================================================ */

/* Representative Director - featured card */
.rep-card {
  display: grid;
  gap: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--gold-20);
  border-top: 3px solid var(--gold);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 4vw, 2.75rem);
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow-sm);
  transition:
    border-color var(--t),
    box-shadow var(--t) var(--ease),
    transform var(--t) var(--ease);
  margin-bottom: 1.25rem;
}
.rep-card:hover {
  border-color: var(--gold-40);
  border-top-color: var(--gold);
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}
.rep-avatar {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: #ffffff;
  border: 2px solid var(--gold);
  box-shadow: 0 0 0 6px var(--gold-5);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--f-en);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--gold);
  flex-shrink: 0;
  /* Replace with photo: background-image: url('../img/abe-yuki.jpg'); background-size: cover; */
}
.rep-tag {
  display: inline-block;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--gold);
  border: 1px solid var(--gold-20);
  padding: 0.3rem 1rem;
  border-radius: 999px;
  margin-bottom: 0.6rem;
}
.rep-name-ja {
  font-family: var(--f-serif);
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text);
  margin-bottom: 0.15rem;
}
.rep-name-en {
  font-family: var(--f-en);
  font-size: 0.9rem;
  color: var(--text-2);
  font-style: italic;
  margin-bottom: 0.85rem;
}
.rep-affil {
  font-size: 0.92rem;
  color: var(--text-2);
  line-height: 1.9;
  letter-spacing: 0.03em;
}
.rep-arrow {
  margin-left: auto;
  align-self: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--line-sub);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-3);
  font-size: 0.8rem;
  transition: border-color var(--t), color var(--t), background var(--t);
  flex-shrink: 0;
}
.rep-card:hover .rep-arrow {
  border-color: var(--gold-40);
  color: var(--gold);
  background: var(--gold-5);
}

/* Director cards grid */
.team-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  background: transparent;
  border: none;
  overflow: visible;
  border-radius: 0;
}
.team-card {
  background: var(--bg-card);
  padding: 1.75rem;
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  text-decoration: none;
  color: inherit;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(13,31,60,0.13);
  border-top: 3px solid transparent;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--t) var(--ease), transform var(--t) var(--ease), border-color var(--t);
  position: relative;
}
.team-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-4px);
  border-color: var(--gold-20);
  border-top-color: var(--gold);
}
.team-card::after {
  content: '→';
  position: absolute;
  bottom: 1.4rem;
  right: 1.4rem;
  font-size: 0.8rem;
  color: var(--text-3);
  transition: color var(--t), transform var(--t);
}
.team-card:hover::after { color: var(--gold); transform: translateX(4px); }

.avatar {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: #ffffff;
  border: 2px solid var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--f-en);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--gold);
  flex-shrink: 0;
  box-shadow: 0 0 0 4px var(--gold-20);
}
.avatar--lg { width: 96px; height: 96px; font-size: 1.4rem; }

.card-role {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--gold);
  margin-bottom: 0.3rem;
}
.card-name-ja {
  font-family: var(--f-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.08em;
  margin-bottom: 0.1rem;
}
.card-name-en {
  font-family: var(--f-en);
  font-size: 0.75rem;
  color: var(--text-2);
  font-style: italic;
  margin-bottom: 0.5rem;
}
.card-affil {
  font-size: 0.88rem;
  color: var(--text-3);
  letter-spacing: 0.03em;
  line-height: 1.7;
}
.card-cert {
  margin-top: 0.5rem;
  font-size: 0.82rem;
  color: #444444;
  letter-spacing: 0.04em;
}

/* Advisor cards */
.advisor-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 1.25rem;
}
.advisor-card {
  background: var(--bg-card);
  border: 1px solid rgba(13,31,60,0.13);
  border-top: 3px solid transparent;
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.75rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--t), transform var(--t), border-color var(--t);
}
.advisor-card:hover {
  border-color: var(--gold-20);
  border-top-color: var(--gold);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.advisor-avatar {
  width: 88px; height: 88px;
  border-radius: 50%;
  background: #ffffff;
  border: 2px solid var(--gold);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--f-en);
  font-size: 1rem;
  font-weight: 600;
  color: var(--gold);
  flex-shrink: 0;
  box-shadow: 0 0 0 5px var(--gold-5);
}
.advisor-name-ja {
  font-family: var(--f-serif);
  font-size: 0.9rem;
  color: var(--text);
  letter-spacing: 0.06em;
}
.advisor-name-en {
  font-family: var(--f-en);
  font-size: 0.7rem;
  color: var(--text-3);
  font-style: italic;
}
.advisor-cert {
  font-size: 0.66rem;
  color: #444444;
  margin-top: 0.15rem;
}

/* ============================================================
   SERVICES
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  background: transparent;
  border: none;
  overflow: visible;
  border-radius: 0;
}
.service-card {
  background: var(--bg-card);
  padding: 2.25rem 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(13,31,60,0.13);
  border-top: 3px solid transparent;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--t) var(--ease), transform var(--t) var(--ease), border-color var(--t);
}
.service-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
  border-color: var(--gold-20);
  border-top-color: var(--gold);
}
.service-num {
  font-family: var(--f-en);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  color: var(--gold);
  margin-bottom: 1.25rem;
  display: block;
}
.service-title-en {
  font-family: var(--f-en);
  font-size: 1.6rem;
  font-weight: 700;
  font-style: italic;
  color: var(--text);
  margin-bottom: 0.2rem;
  letter-spacing: 0.02em;
}
.service-title-ja {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--gold);
  margin-bottom: 1.25rem;
}
.service-rule {
  width: 24px; height: 1px;
  background: var(--line);
  margin-bottom: 1.25rem;
}
.service-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.service-item {
  font-size: 0.78rem;
  color: var(--text-2);
  letter-spacing: 0.04em;
  line-height: 1.7;
  padding-left: 1rem;
  position: relative;
}
.service-item::before {
  content: '—';
  position: absolute; left: 0;
  color: var(--gold-40);
  font-size: 0.65rem;
}
.service-sub-title {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-2);
  letter-spacing: 0.06em;
  margin: 1.25rem 0 0.6rem;
}
.service-note {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  background: var(--teal-dim);
  border-left: 2px solid var(--teal);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.72rem;
  color: var(--text-2);
  line-height: 1.9;
  letter-spacing: 0.03em;
}

/* ============================================================
   NEWS
   ============================================================ */
.news-list {
  border-top: 1px solid var(--line-sub);
}
.news-row {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--line-sub);
  transition: background var(--t);
  text-decoration: none;
  color: inherit;
}
.news-date {
  font-family: var(--f-en-sans);
  font-size: 1.23rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.1em;
  white-space: nowrap;
  padding-top: 0.2rem;
  flex-shrink: 0;
}
.news-badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.93rem;
  letter-spacing: 0.08em;
  color: #444444;
  border: 1px solid rgba(0,0,0,0.22);
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  white-space: nowrap;
  margin-right: 0.6rem;
  vertical-align: middle;
}
.news-title {
  font-size: 1.5rem;
  color: var(--text);
  letter-spacing: 0.03em;
  line-height: 1.8;
  flex: 1;
}

/* ============================================================
   COMPANY TABLE
   ============================================================ */
.org-table {
  width: 100%;
  border-collapse: collapse;
}
.org-table tr { border-bottom: 1px solid var(--line-sub); }
.org-table th {
  font-size: 1.5rem;
  color: var(--gold);
  font-weight: 700;
  letter-spacing: 0.1em;
  font-family: var(--f-sans);
  text-align: left;
  padding: 1.35rem 1.5rem 1.35rem 0;
  width: 11em;
  vertical-align: top;
  white-space: nowrap;
}
.org-table td {
  font-size: 1.32rem;
  color: var(--text-2);
  padding: 1.35rem 0;
  line-height: 1.9;
  letter-spacing: 0.04em;
}

/* ============================================================
   PROFILE PAGE
   ============================================================ */
.profile-header {
  padding: calc(var(--nav-h) + 4rem) var(--px) 4rem;
  background:
    radial-gradient(ellipse 60% 80% at 20% 60%, rgba(90,180,204,0.07) 0%, transparent 55%),
    var(--bg-2);
  border-bottom: 1px solid var(--line);
}
.profile-header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  gap: clamp(2rem, 5vw, 4rem);
}
.profile-av {
  width: 96px; height: 96px;
  border-radius: 50%;
  background: #ffffff;
  border: 2px solid var(--gold);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--f-en);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--gold);
  flex-shrink: 0;
}
.profile-av--rep {
  border-color: var(--gold-40);
  box-shadow: 0 0 0 5px var(--gold-5);
}
.profile-role {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--gold);
  margin-bottom: 0.5rem;
}
.profile-name-ja {
  font-family: var(--f-serif);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--text);
  margin-bottom: 0.2rem;
}
.profile-name-en {
  font-family: var(--f-en);
  font-size: clamp(1rem, 2.2vw, 1.3rem);
  font-weight: 500;
  color: var(--text-2);
  font-style: italic;
  letter-spacing: 0.06em;
  margin-bottom: 0.5rem;
}
.cert-wrap { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.25rem; }
.cert {
  font-size: 0.82rem;
  color: var(--text-2);
  border: 1px solid var(--line);
  padding: 0.3rem 0.85rem;
  border-radius: 999px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.profile-affil {
  font-size: 0.95rem;
  color: var(--text-2);
  line-height: 2.0;
  letter-spacing: 0.04em;
}

.profile-body {
  padding: var(--py) var(--px);
}
.profile-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  gap: 3rem;
}

.profile-sec-title {
  font-family: var(--f-en);
  font-size: 1rem;
  font-style: italic;
  color: var(--gold);
  letter-spacing: 0.08em;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--gold-20);
  margin-bottom: 1rem;
}
.profile-sec-ja {
  font-size: 0.9rem;
  color: var(--text-3);
  letter-spacing: 0.15em;
  display: block;
  margin-bottom: 1rem;
}
.profile-text {
  font-size: 1rem;
  color: var(--text-2);
  line-height: 2.0;
  letter-spacing: 0.03em;
}
.profile-text p + p { margin-top: 1.25rem; }

.tag-wrap { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tag {
  font-size: 0.88rem;
  color: var(--text-2);
  background: var(--bg-2);
  border: 1px solid var(--line);
  padding: 0.4rem 1rem;
  border-radius: var(--radius);
  letter-spacing: 0.03em;
}

.award-list { display: flex; flex-direction: column; gap: 0.75rem; }
.award-row { display: flex; gap: 1rem; align-items: flex-start; }
.award-year {
  font-family: var(--f-en-sans);
  font-size: 1rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.1em;
  white-space: nowrap;
  padding-top: 0.15rem;
  min-width: 4rem;
}
.award-desc {
  font-size: 0.95rem;
  color: var(--text-2);
  line-height: 1.8;
  letter-spacing: 0.03em;
}

.patent-block {
  background: var(--bg-card);
  border: 1px solid rgba(13,31,60,0.13);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.75rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  box-shadow: var(--shadow-sm);
}
.patent-icon { font-size: 1.5rem; line-height: 1; flex-shrink: 0; }
.patent-title {
  font-size: 0.9rem;
  color: var(--text);
  font-weight: 500;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}
.patent-num {
  font-family: var(--f-en-sans);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 0.08em;
}

.quote-block {
  background: var(--bg-card);
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 1.5rem 2rem;
}
.quote-text {
  font-family: var(--f-serif);
  font-size: 1.05rem;
  color: var(--text);
  letter-spacing: 0.1em;
  line-height: 2;
}

/* ============================================================
   PAGE HERO (sub pages)
   ============================================================ */
.page-hero {
  padding: calc(var(--nav-h) + 4rem) var(--px) 4rem;
  background:
    radial-gradient(ellipse 50% 70% at 15% 50%, rgba(90,180,204,0.08) 0%, transparent 55%),
    var(--bg-2);
  border-bottom: 1px solid var(--line);
}
/* When banner precedes page-hero, remove duplicate nav-height offset */
.page-top-banner + .page-hero {
  padding-top: 3.5rem;
}
.page-hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.page-hero-en {
  font-family: var(--f-en);
  font-size: clamp(1.6rem, 4vw, 2.8rem);
  font-weight: 400;
  color: var(--text);
  letter-spacing: 0.04em;
  line-height: 1.2;
  margin-bottom: 0.5rem;
}
.page-hero-ja {
  font-size: clamp(0.8rem, 2vw, 1rem);
  color: var(--gold);
  letter-spacing: 0.18em;
  margin-bottom: 1.5rem;
}
.page-hero-desc {
  font-size: clamp(0.8rem, 1.8vw, 0.94rem);
  color: var(--text-2);
  line-height: 2.1;
  letter-spacing: 0.06em;
  max-width: 560px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--bg-3);
  border-top: 2px solid var(--gold);
  padding: clamp(3rem, 7vw, 6rem) var(--px) 2rem;
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  gap: 2.5rem;
}
.footer-tagline {
  font-family: var(--f-serif);
  font-size: 0.85rem;
  color: var(--text-2);
  letter-spacing: 0.1em;
  margin-top: 1rem;
}
.footer-nav-title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--gold);
  margin-bottom: 1rem;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.footer-links a {
  font-size: 0.8rem;
  color: var(--text-3);
  letter-spacing: 0.06em;
  transition: color var(--t);
}
.footer-links a:hover { color: var(--text-2); }
.footer-address {
  font-size: 0.78rem;
  color: var(--text-3);
  line-height: 2;
  letter-spacing: 0.04em;
}
.footer-address strong {
  display: block;
  font-size: 1rem;
  letter-spacing: 0.22em;
  color: var(--gold);
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.footer-bottom {
  max-width: var(--max-w);
  margin: 2.5rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line-sub);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.footer-copy {
  font-size: 0.68rem;
  color: var(--text-3);
  letter-spacing: 0.06em;
}

/* ============================================================
   BUTTONS / CTA
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.85rem;
  border-radius: var(--radius);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  font-family: var(--f-sans);
  font-weight: 600;
  white-space: nowrap;
  transition: all var(--t) var(--ease);
  text-decoration: none;
}
.btn-gold {
  background: var(--gold);
  color: var(--text-inv);
  font-weight: 700;
}
.btn-gold:hover {
  background: var(--gold-lt);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(240,38,38,0.30);
}
.btn-outline {
  border: 1px solid var(--gold-20);
  color: var(--gold);
  background: transparent;
}
.btn-outline:hover {
  background: var(--gold-10);
  border-color: var(--gold-40);
}
.btn-text {
  color: var(--text-2);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  padding: 0;
  transition: color var(--t);
}
.btn-text:hover { color: var(--gold); }
.btn-text::after { content: ' →'; }
.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  color: var(--text-3);
  letter-spacing: 0.08em;
  transition: color var(--t);
}
.btn-back:hover { color: var(--gold); }

/* CTA block */
.cta-block {
  text-align: center;
  padding: 4rem 2rem;
  background: var(--bg-card);
  border: 1px solid rgba(13,31,60,0.13);
  border-radius: var(--radius-lg);
  margin-top: var(--py);
  box-shadow: var(--shadow-sm);
}
.cta-block .sec-label { justify-content: center; margin-bottom: 0.75rem; }
.cta-block .sec-title-en { margin-bottom: 0.75rem; }
.cta-block p {
  font-size: 0.88rem;
  color: var(--text-2);
  margin-bottom: 2rem;
  line-height: 2;
  letter-spacing: 0.06em;
}

/* ============================================================
   UTILITIES
   ============================================================ */
.text-center { text-align: center; }
.text-gold { color: var(--gold); }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mt-4 { margin-top: 4rem; }
.gap-sm { gap: 0.5rem; }

/* ============================================================
   ACHIEVEMENTS — responsive grid classes
   ============================================================ */
.achieve-conf-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}
.achieve-media-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2.5rem;
  align-items: start;
}

/* ============================================================
   RESPONSIVE — TABLET (641px+)
   ============================================================ */
@media (min-width: 641px) {
  .logo-sub { display: block; }

  .message-inner { grid-template-columns: 1fr 1.4fr; }

  .rep-card {
    grid-template-columns: auto 1fr auto;
    align-items: center;
  }

  /* pillars: 4 cols only from 900px up */
  .footer-inner {
    grid-template-columns: 1.6fr 1fr 1.5fr;
  }

  .advisor-row { grid-template-columns: repeat(2, 1fr); }

  .profile-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 641px) and (max-width: 899px) {
  .pillars { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .pillars { grid-template-columns: repeat(4, 1fr); }
}

/* ============================================================
   RESPONSIVE — MEDIUM (801px+) — msg-layout
   ============================================================ */
@media (min-width: 801px) {
  .msg-layout { grid-template-columns: 1fr 1fr; }
}

/* ============================================================
   RESPONSIVE — TABLET / MOBILE (≤800px)
   ============================================================ */
@media (max-width: 800px) {
  /* page-hero--split (about / services / achievements) → single col */
  .page-hero--split {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .page-hero-media {
    height: clamp(220px, 48vw, 360px);
  }
  .page-hero-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
  }

  /* achievements: 学会 grid → single col */
  .achieve-conf-grid {
    grid-template-columns: 1fr;
  }
  .achieve-conf-grid > div:last-child {
    order: -1; /* image above text on mobile */
  }
}

/* ============================================================
   RESPONSIVE — DESKTOP (1025px+)
   ============================================================ */
@media (min-width: 1025px) {
  .nav-links { display: flex; }
  .hamburger { display: none; }

  .team-grid { grid-template-columns: repeat(3, 1fr); }

  .services-grid { grid-template-columns: repeat(2, 1fr); }

  .footer-inner {
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
  }
}

/* ============================================================
   RESPONSIVE — MOBILE (≤640px)
   ============================================================ */
@media (max-width: 640px) {
  :root { --py: 3rem; }

  .message-inner { grid-template-columns: 1fr; }

  /* section-message: reduce top padding on mobile */
  .section-message { padding-top: 2.5rem; }

  .rep-card { grid-template-columns: auto 1fr; }
  .rep-arrow { display: none; }

  .team-grid { grid-template-columns: 1fr; gap: 1rem; }
  .team-card::after { display: none; }

  .services-grid { grid-template-columns: 1fr; }

  .pillars { grid-template-columns: repeat(2, 1fr); }

  .advisor-row { grid-template-columns: 1fr; }

  .org-table th { width: auto; min-width: 7em; font-size: 1.05rem; }
  .org-table td { font-size: 1rem; }

  .profile-header-inner { flex-direction: column; gap: 1.5rem; }
  .profile-grid { grid-template-columns: 1fr; }

  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .hero-scroll { display: none; }

  .cta-block { padding: 2.5rem 1.25rem; }

  /* achievements: メディア grid → single col */
  .achieve-media-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .achieve-media-grid svg {
    max-width: 160px;
    height: auto;
    margin: 0 auto;
  }

  /* message section: reduce photo height on mobile */
  .msg-photo { height: 260px !important; }

  /* message heading: slightly smaller for balance */
  .message-heading { font-size: clamp(1.25rem, 6vw, 1.75rem); }

  /* team card: smaller avatar */
  .avatar { width: 72px; height: 72px; font-size: 1rem; }
  .rep-avatar { width: 72px; height: 72px; font-size: 1.1rem; }

  /* about vision on mobile */
  .about-vision-text {
    padding: 2.5rem 1.5rem;
  }

  /* page-hero--split: text padding on mobile */
  .page-hero-text {
    padding: 2.5rem 1.5rem;
  }
}

/* ============================================================
   OFFICIAL LOGO CARD
   ============================================================ */
.official-logo-card {
  display: inline-block;
  background: #fff;
  border-radius: 0;
  padding: 1.75rem 2.75rem;
  box-shadow:
    0 0 0 1px rgba(240,38,38,0.18),
    0 12px 40px rgba(0,0,0,0.40);
}
.official-logo-card img {
  width: min(260px, 65vw);
  height: auto;
  display: block;
}
.official-logo-card--sm {
  padding: 1rem 1.5rem;
}
.official-logo-card--sm img {
  width: min(160px, 45vw);
}

/* ============================================================
   MEMBER PHOTOS
   ============================================================ */
.profile-av,
.rep-avatar,
.avatar,
.advisor-avatar {
  position: relative;
  overflow: hidden;
}
.av-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 15%;
  border-radius: 50%;
  display: block;
  filter: brightness(1.18) contrast(1.06) saturate(0.92);
  image-rendering: -webkit-optimize-contrast;
}
/* 写真ごとの顔サイズ・位置を個別に最適化 */
.av-photo[src*="abe-yuki"]       { object-position: center 12%; }
.av-photo[src*="itagaki"]        { object-position: center 18%; }
.av-photo[src*="kondo-ikue"]     { object-position: center 14%; filter: brightness(1.25) contrast(1.05) saturate(0.85); }
.av-photo[src*="kimura"]         { object-fit: contain; object-position: center 20%; filter: brightness(1.2) contrast(1.04) saturate(0.88); }
.av-photo[src*="imagawa"]        { object-position: center 10%; }
.av-photo[src*="satoh"]          { object-fit: contain; object-position: center 15%; filter: brightness(1.22) contrast(1.04) saturate(0.86); }
.av-photo[src*="kakehi"]         { object-position: center 14%; filter: brightness(1.2) contrast(1.04) saturate(0.88); }
.av-photo[src*="suzuki-mizue"]   { object-position: center 18%; }
.av-photo[src*="sawano"]         { object-position: center center; }

/* ============================================================
   SOCIAL LINKS (ResearchMap / LinkedIn / Book)
   ============================================================ */
.social-links {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}
.social-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  border: 2px solid;
  line-height: 1;
  transition: background var(--t), color var(--t), transform var(--t), box-shadow var(--t);
}
.social-btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }

/* ResearchMap */
.social-btn--rm {
  background: #ffffff;
  color: #009844;
  border-color: #009844;
}
.social-btn--rm:hover { background: #009844; color: #ffffff; }

/* ResearchMap (inactive / no URL yet) */
.social-btn--rm-inactive {
  background: var(--bg-2);
  color: var(--text-3);
  border-color: var(--line);
  pointer-events: none;
  opacity: 0.6;
}

/* LinkedIn */
.social-btn--linkedin {
  background: #ffffff;
  color: #0a66c2;
  border-color: #0a66c2;
}
.social-btn--linkedin:hover { background: #0a66c2; color: #ffffff; }

/* Book / Publication */
.social-btn--book {
  background: #ffffff;
  color: var(--gold);
  border-color: var(--gold);
}
.social-btn--book:hover { background: var(--gold); color: #ffffff; }

/* Lab / University */
.social-btn--lab {
  background: #ffffff;
  color: #0077b6;
  border-color: #0077b6;
}
.social-btn--lab:hover { background: #0077b6; color: #ffffff; }

/* ============================================================
   SCENE / PHOTO COMPONENTS
   ============================================================ */
/* Hero branded visual (replaces logo card in hero) */
.hero-visual-img {
  width: min(580px, 88vw);
  height: auto;
  border-radius: var(--radius-lg);
  display: block;
  margin: 0 auto;
  box-shadow: 0 20px 64px rgba(0,0,0,0.65), 0 0 0 1px rgba(240,38,38,0.22);
}

/* 2-column photo gallery (greeting, etc.) */
.msg-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  margin-top: 3rem;
  max-width: var(--max-w);
  margin-left: auto;
  margin-right: auto;
  box-shadow: var(--shadow);
}
.msg-gallery img {
  width: 100%;
  height: clamp(180px, 28vw, 300px);
  object-fit: cover;
  display: block;
  transition: transform 0.6s var(--ease);
}
.msg-gallery img:hover { transform: scale(1.03); }
@media (max-width: 640px) {
  .msg-gallery { grid-template-columns: 1fr; }
}

/* Full-width page top banner — horizontal strip with navy letterbox */
.page-top-banner {
  width: 100%;
  height: clamp(120px, 18vw, 230px);
  margin-top: var(--nav-h);
  object-fit: contain;
  object-position: center center;
  background-color: #0d1f3c;
  display: block;
  flex-shrink: 0;
  filter: brightness(1.20) contrast(1.06) saturate(1.12);
  image-rendering: -webkit-optimize-contrast;
}

/* ============================================================
   HERO BANNER VISUAL  (index.html — large image + text overlay)
   ============================================================ */
.hero-banner-visual {
  position: relative;
  margin-top: var(--nav-h);
  height: clamp(480px, 62vw, 820px);
  max-height: calc(100vh - var(--nav-h));
  overflow: hidden;
  background-color: var(--bg-3);
}
.hero-banner-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
  display: block;
  filter: brightness(1.22) contrast(1.06) saturate(1.12);
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
}
/* Text layer — anchored to top of banner */
.hero-banner-text {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: clamp(1.25rem, 3vw, 2.5rem) var(--px) 0;
  text-align: center;
  background: none;
}
/* White-glass caption — between image top edge and HAL Lab. logo */
.hero-banner-caption {
  background: rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(20px) saturate(1.05);
  -webkit-backdrop-filter: blur(20px) saturate(1.05);
  border: 1px solid rgba(255,255,255,0.55);
  border-radius: var(--radius-md);
  box-shadow: 0 4px 28px rgba(0,0,0,0.07), 0 1px 4px rgba(0,0,0,0.04);
  padding: clamp(1rem, 2vw, 1.6rem) clamp(2rem, 6vw, 5rem);
  max-width: min(680px, 92vw);
  width: 100%;
}
.hero-banner-caption .hero-tagline {
  color: #111111;
  margin-top: 0;
  margin-bottom: 0.6rem;
  text-shadow: none;
}
.hero-banner-caption .hero-desc {
  color: #333333;
  text-shadow: none;
}
/* msg-photo-caption: 1-line tagline, wider box */
.msg-photo-caption .hero-banner-caption {
  max-width: min(580px, 90vw);
  padding: clamp(0.9rem, 2vw, 1.4rem) clamp(1.5rem, 4vw, 3rem);
}
.msg-photo-caption .hero-tagline {
  font-size: clamp(1rem, 2.2vw, 1.25rem);
  color: #111111;
  text-shadow: none;
  margin-top: 0;
  margin-bottom: 0.5rem;
  white-space: nowrap;
}
.msg-photo-caption .hero-desc {
  font-size: clamp(0.78rem, 1.6vw, 0.92rem);
  color: #333333;
  text-shadow: none;
}
@media (max-width: 640px) {
  .hero-banner-visual {
    height: clamp(280px, 70vh, 480px);
    max-height: 70vh;
  }
  .hero-banner-text {
    padding-bottom: clamp(1.25rem, 4vw, 2rem);
  }
  .hero-banner-caption {
    padding: 1.1rem 1.35rem;
  }
}
@media (min-width: 641px) and (max-width: 1024px) {
  .hero-banner-visual {
    height: clamp(380px, 58vw, 660px);
    max-height: calc(100vh - var(--nav-h));
  }
}

/* ============================================================
   ABOUT VISION  (about.html — editorial 2-col, photo left)
   ============================================================ */
.about-vision-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: clamp(320px, 38vw, 480px);
  background: var(--bg-base);
}
.about-vision-photo {
  position: relative;
  overflow: hidden;
  background: #0d1828;
}
.about-vision-photo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
  display: block;
  filter: brightness(1.22) contrast(1.06) saturate(1.10);
  image-rendering: -webkit-optimize-contrast;
}
.about-vision-text {
  padding: clamp(3rem, 6vw, 6rem) clamp(2rem, 5vw, 5rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--bg-base);
}
.about-vision-body {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 1.5rem;
  font-size: clamp(0.82rem, 1.8vw, 0.95rem);
  color: var(--text-2);
  line-height: 2.2;
  letter-spacing: 0.06em;
}
@media (max-width: 800px) {
  .about-vision-section {
    grid-template-columns: 1fr;
  }
  .about-vision-photo {
    height: clamp(260px, 55vw, 360px);
    position: relative;
  }
  .about-vision-photo img {
    position: absolute;
  }
}

/* Full-width section photo banner */
.section-photo-banner {
  width: 100%;
  height: clamp(200px, 38vw, 400px);
  object-fit: cover;
  object-position: center;
  display: block;
  opacity: 0.82;
}

/* Section inset photo (with border/shadow) */
.section-photo {
  width: 100%;
  height: clamp(180px, 32vw, 340px);
  object-fit: cover;
  border-radius: var(--radius-lg);
  display: block;
  margin-top: 2rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--line-sub);
}

/* Award image thumbnail */
.award-img {
  width: 200px;
  height: 200px;
  object-fit: contain;
  object-position: center;
  border-radius: var(--radius-md);
  flex-shrink: 0;
  border: 1px solid var(--gold-20);
  box-shadow: var(--shadow);
  background: var(--bg-2);
  filter: brightness(1.18) contrast(1.06) saturate(1.10);
  image-rendering: -webkit-optimize-contrast;
}

/* Service visual image inside service cards */
.service-photo {
  width: 100%;
  height: clamp(140px, 22vw, 200px);
  object-fit: cover;
  border-radius: var(--radius-md);
  display: block;
  margin-top: 1.5rem;
  border: 1px solid var(--line-sub);
  filter: brightness(1.18) contrast(1.05) saturate(1.10);
  image-rendering: -webkit-optimize-contrast;
}

/* Office/facility photo with caption */
.facility-photo-wrap {
  margin-top: 2rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line-sub);
  box-shadow: var(--shadow);
}
.facility-photo-wrap img {
  width: 100%;
  height: clamp(200px, 35vw, 360px);
  object-fit: cover;
  display: block;
  filter: brightness(1.18) contrast(1.05) saturate(1.10);
  image-rendering: -webkit-optimize-contrast;
}

/* ============================================================
   COMPACT HERO  (index.html — below page-top-banner)
   ============================================================ */
.hero--compact {
  min-height: auto;
  padding: clamp(3.5rem, 7vw, 6rem) var(--px);
}
.hero--compact .hero-content {
  padding: 0;
  max-width: 760px;
}
.hero--compact .hero-scroll { display: none; }

/* ============================================================
   SPLIT PAGE-HERO  (about / services / achievements)
   Left: title text  |  Right: photo
   ============================================================ */
.page-hero--split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: clamp(320px, 42vw, 480px);
  margin-top: var(--nav-h);
  border-bottom: 1px solid var(--line-sub);
}
.page-hero-text {
  padding: 3.5rem var(--px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  background:
    radial-gradient(ellipse 60% 80% at 15% 50%, rgba(90,180,204,0.08) 0%, transparent 55%),
    var(--bg-2);
}
.page-hero-media {
  position: relative;
  overflow: hidden;
}
.page-hero-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
  filter: brightness(1.18) contrast(1.05) saturate(1.10);
  image-rendering: -webkit-optimize-contrast;
}

@media (max-width: 768px) {
  .page-hero--split {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
  .page-hero-media {
    height: clamp(200px, 50vw, 280px);
    order: -1;
  }
  .page-hero-text { padding: 2.5rem var(--px); }
}

/* ============================================================
   ACCESSIBILITY
   ============================================================ */
:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 2px;
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1 !important; transform: none !important; }
}

/* ============================================================
   DESIGN REFINEMENTS — Tension & Depth in White
   ============================================================ */

/* Profile header: richer tonal gradient */
.profile-header {
  background:
    radial-gradient(ellipse 80% 50% at 90% 10%, rgba(240,38,38,0.05) 0%, transparent 55%),
    radial-gradient(ellipse 60% 70% at 10% 90%, rgba(30,136,168,0.07) 0%, transparent 55%),
    var(--bg-2) !important;
  border-bottom: 2px solid var(--gold-20) !important;
}

/* Mission wrap: subtle accent borders */
.mission-wrap {
  border-top: 1px solid var(--gold-20);
  border-bottom: 1px solid var(--gold-20);
}

/* Team / advisor card hover: tinted bg */
.team-card:hover  { background: var(--bg-2); }
.advisor-card:hover { background: var(--bg-2); }

/* Section consecutive: separator stripe */
.section--dark + .section--dark { border-top: 1px solid var(--line-sub); }

/* Pillar card: stronger top accent on hover */
.pillar:hover { border-top-color: var(--gold); }

/* Page hero text area: richer left tint */
.page-hero-text {
  background:
    radial-gradient(ellipse 80% 60% at 0% 50%, rgba(30,136,168,0.08) 0%, transparent 60%),
    var(--bg-2) !important;
}

/* ============================================================
   ENGLISH TITLES BLOCK  (profile pages)
   ============================================================ */
.profile-en-titles {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: 0.75rem 0 1rem;
  border-left: 3px solid var(--gold-20);
  padding: 0.6rem 1rem;
  background: var(--bg-2);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.profile-en-title-item {
  font-family: var(--f-en-sans);
  font-size: 0.82rem;
  color: var(--text-2);
  letter-spacing: 0.04em;
  line-height: 1.8;
}
.profile-en-title-item:not(:last-child) {
  border-bottom: 1px dashed var(--line-sub);
}

/* ============================================================
   STARTUP HIGHLIGHT  (about page)
   ============================================================ */
.startup-highlight {
  display: inline;
  background: linear-gradient(120deg, var(--gold-5) 0%, var(--gold-10) 100%);
  border-bottom: 2px solid var(--gold-40);
  padding: 0 0.15em;
  border-radius: 2px;
  font-weight: 700;
  color: var(--text);
}

/* ============================================================
   GLOBAL IMAGE QUALITY — catch-all for content images
   Excludes logos, nav, and images already filtered by their own rules
   ============================================================ */
main img:not(.logo-img):not(.av-photo):not(.hero-banner-img):not(.page-top-banner):not(.service-photo):not(.award-img) {
  filter: brightness(1.18) contrast(1.05) saturate(1.10);
  image-rendering: -webkit-optimize-contrast;
}