/*
Theme Name: MIFAD Corporate Theme
Theme URI: https://mifad.jp
Author: MIFAD / 三井能力開発研究所
Description: MIFADコーポレートサイト専用テーマ。AI・認知科学・行動科学を基盤とした研究機関のサイト。
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 8.0
License: Proprietary
Text Domain: mifad
*/

/* =============================================
   MIFAD Design System - CSS Variables
   ============================================= */
:root {
  /* Colors */
  --color-gold:        #C8902A;
  --color-gold-light:  #D4A030;
  --color-gold-pale:   #F5ECD7;
  --color-orange:      #E07830;
  --color-navy:        #1A2340;
  --color-navy-dark:   #111827;
  --color-text:        #1A1A2E;
  --color-text-sub:    #555566;
  --color-bg:          #FFFFFF;
  --color-bg-gray:     #F8F8F8;
  --color-bg-light:    #FAFAF8;
  --color-border:      #E8E4DC;

  /* Typography */
  --font-jp:    'Noto Serif JP', 'Yu Mincho', '游明朝', serif;
  --font-jp-sans: 'Noto Sans JP', 'Hiragino Sans', sans-serif;
  --font-en:    'Cormorant Garamond', 'Playfair Display', Georgia, serif;
  --font-en-sans: 'Montserrat', 'Helvetica Neue', sans-serif;

  /* Spacing */
  --space-xs:   0.5rem;
  --space-sm:   1rem;
  --space-md:   2rem;
  --space-lg:   4rem;
  --space-xl:   6rem;
  --space-2xl:  10rem;

  /* Layout */
  --container-max: 1200px;
  --container-wide: 1400px;
  --header-height: 80px;

  /* Shadows */
  --shadow-sm:  0 2px 8px rgba(0,0,0,0.08);
  --shadow-md:  0 4px 20px rgba(0,0,0,0.12);
  --shadow-lg:  0 8px 40px rgba(0,0,0,0.16);

  /* Transitions */
  --transition: 0.3s ease;
  --transition-slow: 0.6s ease;
}

/* =============================================
   Reset & Base
   ============================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-jp-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.8;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a  { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* =============================================
   Typography
   ============================================= */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-jp);
  line-height: 1.4;
  font-weight: 700;
}

.en-label {
  font-family: var(--font-en-sans);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-size: 0.75rem;
}

.section-label {
  font-family: var(--font-en-sans);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}
.section-label::after {
  content: '';
  display: block;
  width: 32px;
  height: 2px;
  background: var(--color-gold);
}

/* =============================================
   Layout Utilities
   ============================================= */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 2rem;
}
.container--wide {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 2rem;
}

.section-pad {
  padding: var(--space-xl) 0;
}

/* =============================================
   Buttons
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 2rem;
  font-family: var(--font-en-sans);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 40px;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}
.btn--outline {
  border: 1.5px solid var(--color-gold);
  color: var(--color-gold);
  background: transparent;
}
.btn--outline:hover {
  background: var(--color-gold);
  color: #fff;
}
.btn--gold {
  background: var(--color-gold);
  color: #fff;
}
.btn--gold:hover {
  background: var(--color-gold-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(200,144,42,0.35);
}
.btn .btn-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1.5px solid currentColor;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

/* =============================================
   HEADER
   ============================================= */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}
.site-header.scrolled {
  box-shadow: var(--shadow-md);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 2rem;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.logo-mark {
  width: 36px;
  height: 36px;
  color: var(--color-gold);
}
.logo-text-wrap { display: flex; flex-direction: column; line-height: 1; }
.logo-name {
  font-family: var(--font-en-sans);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--color-text);
}
.logo-sub {
  font-size: 0.6rem;
  color: var(--color-text-sub);
  letter-spacing: 0.05em;
  margin-top: 3px;
}

/* Global Nav */
.global-nav { display: flex; align-items: center; gap: 2.5rem; }
.global-nav__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.global-nav__item .nav-en {
  font-family: var(--font-en-sans);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text);
  transition: color var(--transition);
}
.global-nav__item .nav-jp {
  font-size: 0.6rem;
  color: var(--color-text-sub);
  letter-spacing: 0.05em;
}
.global-nav__item:hover .nav-en { color: var(--color-gold); }

.header-contact {
  background: var(--color-gold);
  color: #fff;
  padding: 0.65rem 1.4rem;
  border-radius: 4px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-en-sans);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  transition: var(--transition);
}
.header-contact:hover {
  background: var(--color-gold-light);
  transform: translateY(-1px);
}
.header-contact-jp { font-size: 0.65rem; display: block; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition);
}

/* =============================================
   BREADCRUMB
   ============================================= */
.breadcrumb {
  padding: calc(var(--header-height) + 1rem) 0 0;
}
.breadcrumb__list {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--color-text-sub);
}
.breadcrumb__list li:not(:last-child)::after {
  content: '›';
  margin-left: 0.5rem;
  color: var(--color-border);
}
.breadcrumb__list a:hover { color: var(--color-gold); }

/* =============================================
   HERO SECTIONS
   ============================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  overflow: hidden;
  padding-top: var(--header-height);
}
.hero__content {
  position: relative;
  z-index: 2;
  padding: var(--space-xl) var(--space-lg) var(--space-xl) 2rem;
  max-width: 680px;
  margin-left: auto;
  padding-left: calc((100vw - var(--container-wide)) / 2 + 2rem);
}
.hero__image {
  position: relative;
  height: 100%;
  min-height: 100vh;
}
.hero__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero__image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(255,255,255,0.6) 0%, transparent 40%);
}

.hero__label {
  font-family: var(--font-en-sans);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 1rem;
}
.hero__title {
  font-family: var(--font-jp);
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  line-height: 1.3;
  color: var(--color-text);
  margin-bottom: 1.5rem;
}
.hero__title .accent { color: var(--color-gold); }
.hero__subtitle {
  font-size: 1.05rem;
  color: var(--color-gold);
  font-weight: 600;
  margin-bottom: 1.25rem;
  line-height: 1.6;
}
.hero__desc {
  font-size: 0.95rem;
  color: var(--color-text-sub);
  line-height: 1.9;
  margin-bottom: 2.5rem;
}
.hero__quote {
  font-size: 0.9rem;
  color: var(--color-gold);
  font-style: italic;
  margin-bottom: 0.5rem;
}
.hero__quote-src {
  font-size: 0.82rem;
  color: var(--color-text-sub);
  margin-bottom: 1.25rem;
}

/* TOP hero specific */
.hero--top .hero__title {
  font-size: clamp(2.8rem, 5vw, 4.5rem);
}
.hero--top .hero__content {
  padding-top: calc(var(--space-xl) + 2rem);
}

/* Feature badges in hero */
.hero__features {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}
.hero__feature {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  max-width: 200px;
}
.hero__feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-gold-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold);
  font-size: 1.1rem;
  flex-shrink: 0;
}
.hero__feature-text strong {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  margin-bottom: 0.2rem;
}
.hero__feature-text span {
  font-size: 0.72rem;
  color: var(--color-text-sub);
  line-height: 1.5;
}

/* =============================================
   NEWS SECTION
   ============================================= */
.news-section {
  padding: var(--space-lg) 0;
  background: var(--color-bg);
}
.news-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 0;
}
.news-header__title {
  display: flex;
  align-items: baseline;
  gap: 1rem;
}
.news-header__en {
  font-family: var(--font-en-sans);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}
.news-header__jp {
  font-size: 0.78rem;
  color: var(--color-text-sub);
}
.news-viewall {
  font-family: var(--font-en-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--color-text-sub);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: color var(--transition);
}
.news-viewall:hover { color: var(--color-gold); }

.news-list { }
.news-item {
  display: grid;
  grid-template-columns: 110px 130px 1fr 40px;
  align-items: center;
  gap: 1.5rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition);
}
.news-item:hover { background: var(--color-bg-light); }
.news-date {
  font-family: var(--font-en-sans);
  font-size: 0.8rem;
  color: var(--color-text-sub);
  letter-spacing: 0.05em;
}
.news-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: 2px;
  white-space: nowrap;
}
.news-badge--outline {
  border: 1px solid var(--color-text-sub);
  color: var(--color-text-sub);
}
.news-badge--gold {
  background: var(--color-gold);
  color: #fff;
}
.news-title {
  font-size: 0.9rem;
  color: var(--color-text);
  transition: color var(--transition);
}
.news-item:hover .news-title { color: var(--color-gold); }
.news-arrow {
  color: var(--color-text-sub);
  font-size: 1rem;
  text-align: right;
}

/* =============================================
   PHILOSOPHY SECTION (TOP page)
   ============================================= */
.philosophy-section {
  padding: var(--space-xl) 0;
  background: var(--color-bg);
}
.philosophy-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.philosophy-content { }
.philosophy-heading {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  line-height: 1.5;
  margin-bottom: 1.5rem;
}
.philosophy-quote {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-gold);
  margin-bottom: 0.25rem;
}
.philosophy-quote-src {
  font-size: 0.8rem;
  color: var(--color-text-sub);
  margin-bottom: 1.5rem;
}
.philosophy-text {
  font-size: 0.9rem;
  color: var(--color-text-sub);
  line-height: 2;
  margin-bottom: 1rem;
}
.philosophy-links {
  display: flex;
  gap: 2rem;
  margin-top: 2rem;
}
.philosophy-link {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.25rem;
}
.philosophy-link__icon {
  font-size: 1.4rem;
  color: var(--color-gold);
  margin-bottom: 0.25rem;
}
.philosophy-link__en {
  font-family: var(--font-en-sans);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}
.philosophy-link__more {
  font-size: 0.72rem;
  color: var(--color-text-sub);
  display: flex;
  align-items: center;
  gap: 0.3rem;
  transition: color var(--transition);
}
.philosophy-link:hover .philosophy-link__more { color: var(--color-gold); }

.philosophy-image-wrap {
  position: relative;
}
.philosophy-image-wrap img {
  border-radius: 8px;
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}
.philosophy-vision-card {
  position: absolute;
  bottom: -1.5rem;
  right: -1.5rem;
  background: var(--color-navy);
  color: #fff;
  padding: 1.75rem 2rem;
  border-radius: 8px;
  max-width: 260px;
  box-shadow: var(--shadow-lg);
}
.philosophy-vision-card .card-label {
  font-family: var(--font-en-sans);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--color-gold);
  margin-bottom: 0.75rem;
}
.philosophy-vision-card .card-text {
  font-family: var(--font-jp);
  font-size: 1rem;
  line-height: 1.7;
  font-weight: 700;
}

/* =============================================
   RESEARCH AREAS SECTION
   ============================================= */
.research-section {
  padding: var(--space-xl) 0;
  background: var(--color-bg-gray);
}
.research-header {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  align-items: start;
  gap: 2rem;
  margin-bottom: 3rem;
}
.research-header__title { }
.research-header__en {
  font-family: var(--font-en-sans);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}
.research-header__jp {
  font-size: 0.78rem;
  color: var(--color-text-sub);
}
.research-header__desc {
  font-size: 0.85rem;
  color: var(--color-text-sub);
  line-height: 1.8;
}
.research-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.research-card {
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.research-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.research-card__image {
  aspect-ratio: 16/9;
  overflow: hidden;
}
.research-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.research-card:hover .research-card__image img { transform: scale(1.05); }
.research-card__body { padding: 1.5rem; }
.research-card__title-jp {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}
.research-card__title-en {
  font-family: var(--font-en-sans);
  font-size: 0.7rem;
  color: var(--color-gold);
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
}
.research-card__desc {
  font-size: 0.82rem;
  color: var(--color-text-sub);
  line-height: 1.8;
  margin-bottom: 1.25rem;
}
.research-card__more {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--color-text-sub);
}
.research-card__more-btn {
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 1.5px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.research-card:hover .research-card__more-btn {
  border-color: var(--color-gold);
  background: var(--color-gold);
  color: #fff;
}

/* =============================================
   SOLUTIONS SECTION
   ============================================= */
.solutions-section {
  padding: var(--space-xl) 0;
  background: var(--color-bg);
}
.solutions-header {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 2rem;
  margin-bottom: 3rem;
}
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
}
.solution-item {
  text-align: center;
  padding: 1.5rem 1rem;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
}
.solution-item:hover {
  border-bottom-color: var(--color-gold);
}
.solution-item__icon {
  font-size: 2rem;
  color: var(--color-gold);
  margin-bottom: 0.75rem;
  display: block;
}
.solution-item__title {
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 0.5rem;
}
.solution-item__desc {
  font-size: 0.75rem;
  color: var(--color-text-sub);
  line-height: 1.7;
  margin-bottom: 0.75rem;
}
.solution-item__arrow {
  color: var(--color-gold);
  font-size: 1rem;
}

/* =============================================
   CTA BANNER
   ============================================= */
.cta-banner {
  background: var(--color-navy);
  padding: 4rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('assets/images/cta-bg.jpg') center/cover no-repeat;
  opacity: 0.15;
}
.cta-banner__inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin: 0 auto;
  gap: 2rem;
}
.cta-banner__text {
  text-align: left;
}
.cta-banner__title {
  font-family: var(--font-jp);
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  color: #fff;
  line-height: 1.6;
  margin-bottom: 0.5rem;
}
.cta-banner__sub {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
}

/* =============================================
   FOOTER
   ============================================= */
.site-footer {
  background: var(--color-navy);
  color: rgba(255,255,255,0.85);
}
.footer-main {
  padding: 4rem 0 3rem;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 4rem;
}
.footer-brand { }
.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}
.footer-logo-name {
  font-family: var(--font-en-sans);
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.05em;
}
.footer-tagline {
  font-family: var(--font-en-sans);
  font-size: 0.68rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.1em;
  margin-bottom: 1.25rem;
}
.footer-desc {
  font-size: 0.82rem;
  line-height: 1.9;
  color: rgba(255,255,255,0.7);
  margin-bottom: 1.5rem;
}
.footer-sns {
  display: flex;
  gap: 0.75rem;
}
.footer-sns a {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  transition: var(--transition);
}
.footer-sns a:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.footer-nav-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 2rem;
}
.footer-nav-col h4 {
  font-family: var(--font-en-sans);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: #fff;
  margin-bottom: 1rem;
}
.footer-nav-col ul { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-nav-col a {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}
.footer-nav-col a:hover { color: var(--color-gold); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 1.25rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-legal {
  display: flex;
  gap: 1.5rem;
}
.footer-legal a {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
  transition: color var(--transition);
}
.footer-legal a:hover { color: rgba(255,255,255,0.8); }
.footer-legal span {
  color: rgba(255,255,255,0.2);
}
.footer-copy {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.4);
  font-family: var(--font-en-sans);
}

/* =============================================
   VISION PAGE SPECIFIC
   ============================================= */
.vision-beliefs {
  padding: var(--space-lg) 0;
  background: var(--color-bg);
}
.vision-beliefs__title {
  text-align: center;
  font-size: 1.4rem;
  margin-bottom: 3rem;
}
.vision-belief-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.vision-belief-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.belief-icon {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--color-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold);
  font-size: 1.3rem;
  flex-shrink: 0;
}
.belief-body h3 {
  font-size: 0.95rem;
  color: var(--color-gold);
  line-height: 1.5;
  margin-bottom: 0.5rem;
}
.belief-body p {
  font-size: 0.82rem;
  color: var(--color-text-sub);
  line-height: 1.8;
}

.vision-society {
  padding: var(--space-lg) 0;
  background: var(--color-bg-gray);
}
.vision-society__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.vision-society__image img {
  border-radius: 8px;
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}
.vision-society__content h2 {
  font-size: 1.4rem;
  margin-bottom: 1.5rem;
}
.vision-society__content p {
  font-size: 0.88rem;
  color: var(--color-text-sub);
  line-height: 2;
  margin-bottom: 0.75rem;
}

/* =============================================
   MISSION PAGE SPECIFIC
   ============================================= */
.mission-flow {
  padding: var(--space-lg) 0;
  background: var(--color-bg);
}
.mission-flow__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.mission-flow__text h2 {
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
}
.mission-flow__text p {
  font-size: 0.85rem;
  color: var(--color-text-sub);
  line-height: 2;
  margin-bottom: 1.5rem;
}
.mission-tagline {
  font-family: var(--font-jp);
  font-size: 1.15rem;
  color: var(--color-gold);
  font-weight: 700;
  line-height: 1.8;
}
.mission-chain {
  display: flex;
  align-items: center;
  gap: 1rem;
  justify-content: center;
}
.mission-chain-item {
  text-align: center;
  padding: 1.5rem 1.25rem;
  border: 1.5px solid var(--color-border);
  border-radius: 8px;
  min-width: 130px;
}
.mission-chain-item__icon {
  font-size: 1.5rem;
  color: var(--color-gold);
  margin-bottom: 0.5rem;
}
.mission-chain-item__title {
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}
.mission-chain-item__desc {
  font-size: 0.72rem;
  color: var(--color-text-sub);
  line-height: 1.6;
}
.mission-chain-arrow {
  color: var(--color-gold);
  font-size: 1.2rem;
}
.mission-chain-note {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.8rem;
  color: var(--color-text-sub);
  border: 1px solid var(--color-border);
  display: inline-block;
  padding: 0.5rem 1.5rem;
  border-radius: 40px;
}

.mission-activities {
  padding: var(--space-lg) 0;
  background: var(--color-bg-gray);
}
.mission-activities__title {
  text-align: center;
  font-size: 1.3rem;
  margin-bottom: 3rem;
}
.mission-activity-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.mission-activity-card { }
.mission-activity-card__num {
  font-family: var(--font-en-sans);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-gold);
  margin-bottom: 0.75rem;
}
.mission-activity-card__image {
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: 6px;
  margin-bottom: 1rem;
}
.mission-activity-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.mission-activity-card h3 {
  font-size: 0.88rem;
  margin-bottom: 0.5rem;
}
.mission-activity-card p {
  font-size: 0.78rem;
  color: var(--color-text-sub);
  line-height: 1.8;
}

/* =============================================
   VALUE PAGE SPECIFIC
   ============================================= */
.value-list-section {
  padding: var(--space-lg) 0;
  background: var(--color-bg);
}
.value-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.value-items { display: flex; flex-direction: column; gap: 2rem; }
.value-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
}
.value-item:last-child { border-bottom: none; }
.value-item__num {
  font-family: var(--font-en-sans);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-gold);
  min-width: 24px;
  padding-top: 4px;
}
.value-item__icon {
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1.5px solid var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold);
  font-size: 1.1rem;
  flex-shrink: 0;
}
.value-item h3 {
  font-size: 1rem;
  margin-bottom: 0.4rem;
}
.value-item p {
  font-size: 0.82rem;
  color: var(--color-text-sub);
  line-height: 1.8;
}

.belief-card {
  background: var(--color-navy);
  border-radius: 12px;
  overflow: hidden;
  color: #fff;
}
.belief-card__image {
  aspect-ratio: 16/9;
  overflow: hidden;
}
.belief-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.6;
}
.belief-card__body { padding: 2rem; }
.belief-card__label {
  font-family: var(--font-en-sans);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--color-gold);
  margin-bottom: 1rem;
}
.belief-card__title {
  font-family: var(--font-jp);
  font-size: 1.3rem;
  line-height: 1.7;
  margin-bottom: 1rem;
}
.belief-card__desc {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.9;
  margin-bottom: 1.5rem;
}
.belief-chain {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.belief-chain-item {
  text-align: center;
}
.belief-chain-item__icon {
  font-size: 1.2rem;
  color: var(--color-gold);
  margin-bottom: 0.25rem;
}
.belief-chain-item__title {
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
}
.belief-chain-item__sub {
  font-size: 0.65rem;
  color: rgba(255,255,255,0.5);
}
.belief-chain-arrow { color: var(--color-gold); }

.value-guidelines {
  padding: var(--space-lg) 0;
  background: var(--color-bg-gray);
}
.value-guidelines__title {
  text-align: center;
  font-size: 1.3rem;
  margin-bottom: 3rem;
}
.guideline-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
}
.guideline-item {
  text-align: center;
  padding: 1.5rem 1rem;
}
.guideline-item__icon {
  font-size: 1.8rem;
  color: var(--color-gold);
  margin-bottom: 0.75rem;
}
.guideline-item h3 {
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.guideline-item p {
  font-size: 0.75rem;
  color: var(--color-text-sub);
  line-height: 1.7;
}

/* =============================================
   RESEARCH DETAIL PAGES
   ============================================= */
.research-detail-hero {
  padding-top: var(--header-height);
}
.research-overview {
  padding: var(--space-lg) 0;
  background: var(--color-bg);
}
.research-overview__inner {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 4rem;
  align-items: start;
}
.research-process {
  padding: var(--space-lg) 0;
  background: var(--color-bg-gray);
}
.process-flow {
  display: flex;
  align-items: flex-start;
  gap: 0;
  overflow-x: auto;
  padding: 1.5rem 0;
}
.process-step {
  flex: 1;
  min-width: 120px;
  text-align: center;
  padding: 1.25rem 0.75rem;
  position: relative;
}
.process-step:not(:last-child)::after {
  content: '→';
  position: absolute;
  right: -0.5rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-gold);
  font-size: 1.2rem;
}
.process-step__icon {
  font-size: 1.6rem;
  color: var(--color-gold);
  margin-bottom: 0.5rem;
}
.process-step__title {
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}
.process-step__sub {
  font-size: 0.72rem;
  color: var(--color-gold);
  font-weight: 600;
  margin-bottom: 0.4rem;
}
.process-step__desc {
  font-size: 0.7rem;
  color: var(--color-text-sub);
  line-height: 1.6;
}
.process-formula {
  text-align: center;
  font-family: var(--font-en-sans);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-gold);
  margin-top: 1.5rem;
  letter-spacing: 0.1em;
}

.research-programs {
  padding: var(--space-lg) 0;
  background: var(--color-bg);
}
.program-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.program-card {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.program-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.program-card__image {
  aspect-ratio: 16/9;
  overflow: hidden;
  position: relative;
}
.program-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.program-card__body { padding: 1.25rem; }
.program-card__title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.program-card__desc {
  font-size: 0.8rem;
  color: var(--color-text-sub);
  line-height: 1.8;
}
.program-card__more-btn {
  position: absolute;
  bottom: 1rem; right: 1rem;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--color-gold);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

.research-results {
  padding: var(--space-lg) 0;
  background: var(--color-bg-gray);
}
.result-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.result-card {
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.result-card__image {
  aspect-ratio: 16/9;
  overflow: hidden;
}
.result-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.result-card__body { padding: 1.25rem; }
.result-card__category {
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}
.result-card__subtitle {
  font-size: 0.78rem;
  color: var(--color-gold);
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.result-card__desc {
  font-size: 0.78rem;
  color: var(--color-text-sub);
  line-height: 1.8;
  margin-bottom: 1rem;
}
.result-card__stats {
  font-size: 0.75rem;
  color: var(--color-text-sub);
  line-height: 1.8;
}

.research-foundation {
  padding: var(--space-md) 0;
  background: var(--color-bg);
}
.foundation-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
}
.foundation-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}
.foundation-item__icon {
  font-size: 1.2rem;
  color: var(--color-gold);
  flex-shrink: 0;
  margin-top: 2px;
}
.foundation-item h4 {
  font-size: 0.82rem;
  margin-bottom: 0.25rem;
}
.foundation-item p {
  font-size: 0.72rem;
  color: var(--color-text-sub);
  line-height: 1.6;
}

/* Sidebar areas */
.area-sidebar {
  background: var(--color-bg-gray);
  border-radius: 8px;
  padding: 1.5rem;
}
.area-sidebar h3 {
  font-size: 0.88rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--color-gold);
}
.area-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-border);
}
.area-item:last-child { border-bottom: none; }
.area-item__icon {
  font-size: 1.2rem;
  color: var(--color-gold);
  flex-shrink: 0;
  margin-top: 2px;
}
.area-item h4 {
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}
.area-item p {
  font-size: 0.75rem;
  color: var(--color-text-sub);
  line-height: 1.6;
}

/* Result sidebar / right panel */
.result-panel {
  background: var(--color-bg-gray);
  border-radius: 12px;
  padding: 2rem;
}
.result-panel h3 {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}
.result-panel p {
  font-size: 0.82rem;
  color: var(--color-text-sub);
  line-height: 1.9;
  margin-bottom: 1.25rem;
}
.result-panel__items {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.result-panel__item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.82rem;
  font-weight: 600;
}
.result-panel__item::before {
  content: '';
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-gold);
  flex-shrink: 0;
}

/* =============================================
   ANIMATIONS
   ============================================= */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.animate-fade-up {
  animation: fadeInUp 0.7s ease both;
}
.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }

/* Scroll-triggered */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .global-nav { gap: 1.5rem; }
  .research-cards { grid-template-columns: 1fr 1fr; }
  .solutions-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-nav-grid { grid-template-columns: repeat(3, 1fr); }
  .foundation-grid { grid-template-columns: repeat(3, 1fr); }
  .guideline-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  :root { --header-height: 64px; }
  .global-nav { display: none; }
  .hamburger { display: flex; }
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero__image { display: none; }
  .hero__content { padding: 6rem 1.5rem 3rem; max-width: 100%; margin: 0; }
  .philosophy-inner,
  .vision-society__inner,
  .mission-flow__inner,
  .value-grid,
  .research-overview__inner { grid-template-columns: 1fr; }
  .research-cards,
  .program-cards,
  .result-cards { grid-template-columns: 1fr; }
  .mission-activity-cards { grid-template-columns: 1fr 1fr; }
  .solutions-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-main { grid-template-columns: 1fr; gap: 2rem; }
  .footer-nav-grid { grid-template-columns: repeat(2, 1fr); }
  .mission-chain { flex-wrap: wrap; }
  .philosophy-vision-card { position: static; margin-top: 1.5rem; max-width: 100%; }
  .news-item { grid-template-columns: 90px 1fr; }
  .news-item .news-badge { display: none; }
  .news-item .news-arrow { display: none; }
  .cta-banner__inner { flex-direction: column; text-align: center; }
  .cta-banner__text { text-align: center; }
  .guideline-grid { grid-template-columns: repeat(2, 1fr); }
  .foundation-grid { grid-template-columns: repeat(2, 1fr); }
  .vision-belief-cards { grid-template-columns: 1fr; }
  .research-header { grid-template-columns: 1fr; }
  .belief-chain { justify-content: center; }
  .container, .container--wide { padding: 0 1rem; }
}

@media (max-width: 480px) {
  .hero__title { font-size: 2rem; }
  .mission-activity-cards { grid-template-columns: 1fr; }
  .solutions-grid { grid-template-columns: 1fr 1fr; }
  .footer-nav-grid { grid-template-columns: 1fr 1fr; }
}