:root {
    --oita-bg: #faf7f2;
    --oita-bg-soft: #f2ede4;
    --oita-text: #262320;
    --oita-text-soft: #5c574f;
    --oita-line: #e3ddd1;
    --oita-footer-bg: #12181f;
    --oita-footer-text: #cfd3d8;
    --oita-footer-text-soft: #8b939c;

    --oita-content-width: 1240px;
    --oita-gutter: 24px;

    --oita-ease: cubic-bezier(0.22, 0.61, 0.36, 1);
    --oita-duration: 0.6s;

    --font-heading: "Noto Serif JP", ui-serif, serif;
    --font-body: "Noto Sans JP", ui-sans-serif, system-ui, sans-serif;
  }

  @media (min-width: 768px) {
    :root { --oita-gutter: 40px; }
  }

  * { box-sizing: border-box; }
  html { color-scheme: light; scroll-behavior: smooth; }
  body {
    margin: 0;
    background-color: var(--oita-bg);
    color: var(--oita-text);
    font-family: var(--font-body);
  }
  img { max-width: 100%; display: block; }
  a { text-decoration: none; color: inherit; }
  ul, ol { margin: 0; padding: 0; list-style: none; }
  h1, h2, h3, h4 {
    margin: 0;
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.5;
    letter-spacing: 0.01em;
  }
  p, li { line-height: 1.8; margin: 0; }
  button { font-family: inherit; cursor: pointer; }

  .oita-container {
    width: 100%;
    max-width: var(--oita-content-width);
    margin-inline: auto;
    padding-inline: var(--oita-gutter);
  }

  .oita-section { padding-block: 72px; }
  @media (min-width: 768px) {
    .oita-section { padding-block: 26px; }
  }

  .oita-eyebrow {
    display: inline-block;
    font-size: 0.75rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--oita-text-soft);
    margin-bottom: 16px;
  }

  .oita-heading {
    font-size: clamp(1.75rem, 1.3rem + 2vw, 2.75rem);
    color: var(--oita-text);
    margin-bottom: 20px;
  }

  .oita-lede {
    font-size: 1rem;
    color: var(--oita-text-soft);
    line-height: 1.8;
    max-width: 42ch;
  }

  .icon {
    width: 1em;
    height: 1em;
    display: inline-block;
    vertical-align: middle;
  }

  /* Buttons */
  .oita-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 999px;
    font-size: 0.9375rem;
    font-weight: 500;
    white-space: nowrap;
    border: 1px solid transparent;
    transition: transform var(--oita-duration) var(--oita-ease), background-color 0.3s var(--oita-ease), color 0.3s var(--oita-ease), border-color 0.3s var(--oita-ease);
    min-height: 44px;
  }
  .oita-btn:hover { transform: translateY(-1px); }
  .oita-btn svg { width: 16px; height: 16px; }

  .oita-btn-primary {
    background-color: var(--oita-bg);
    color: var(--oita-text);
    border-color: var(--oita-bg);
  }
  .oita-btn-primary:hover { background-color: var(--oita-bg-soft); }

  .oita-btn-outline {
    background-color: transparent;
    color: var(--oita-text);
    border-color: var(--oita-line);
  }
  .oita-btn-outline:hover { background-color: var(--oita-bg-soft); }

  a.oita-btn-dark,
  .site-nav-desktop a.oita-btn-dark,
  .mobile-menu-inner a.oita-btn-dark {
    background-color: #e29d67;
    color: #fff !important;
    border-color: #e29d67;
  }
  .oita-btn-dark:hover { opacity: 0.88; }

  .oita-btn-ghost-light {
    background-color: transparent;
    color: #fff;
    border-color: rgba(255,255,255,0.6);
  }
  .oita-btn-ghost-light:hover { background-color: rgba(255,255,255,0.12); }

  .oita-link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--oita-text);
    min-height: 44px;
  }
  .oita-link-arrow svg { transition: transform 0.3s var(--oita-ease); width: 16px; height: 16px; }
  .oita-link-arrow:hover svg { transform: translateX(4px); }

  /* Cards */
  .oita-card { display: flex; flex-direction: column; gap: 16px; }
  .oita-card-media {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    border-radius: 4px;
    background-color: var(--oita-bg-soft);
  }
  .oita-card-media img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s var(--oita-ease);
  }
  .oita-card:hover .oita-card-media img { transform: scale(1.04); }

  /* Reveal on scroll */
  .oita-reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity var(--oita-duration) var(--oita-ease), transform var(--oita-duration) var(--oita-ease);
  }
  .oita-reveal.is-visible { opacity: 1; transform: none; }

  @media (prefers-reduced-motion: reduce) {
    .oita-reveal { opacity: 1; transform: none; transition: none; }
    .oita-btn, .oita-link-arrow svg, .oita-card-media img { transition: none !important; }
  }

  /* ===================== Header ===================== */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    width: 100%;
    border-bottom: 1px solid transparent;
    background-color: var(--oita-bg);
    transition: background-color 0.3s, border-color 0.3s;
  }
  .site-header.is-scrolled {
    background-color: rgba(250, 247, 242, 0.95);
    backdrop-filter: blur(4px);
    border-bottom-color: var(--oita-line);
  }
  .site-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
  }
  @media (min-width: 768px) {
    .site-header-inner { height: 80px; }
  }
  .site-logo { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
  .site-logo-text { display: flex; flex-direction: column; line-height: 1; }
  .site-logo-text .jp { font-family: var(--font-heading); font-size: 1.05rem; letter-spacing: 0.02em; color: var(--oita-text); }
  .site-logo-text .en { font-size: 0.6rem; letter-spacing: 0.2em; color: var(--oita-text-soft); }
  @media (min-width: 768px) { .site-logo-text .jp { font-size: 1.15rem; } }

  .site-nav-desktop { display: none; align-items: center; gap: 28px; margin-left: auto; }
  @media (min-width: 1024px) { .site-nav-desktop { display: flex; } }
  .site-nav-desktop a { font-size: 0.875rem; color: var(--oita-text); transition: opacity 0.2s; }
  .site-nav-desktop a:hover { opacity: 0.6; }

  .site-header-actions { display: flex; align-items: center; gap: 4px; }
  .icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    color: var(--oita-text);
    transition: opacity 0.2s;
  }
  .icon-btn:hover { opacity: 0.6; }
  .icon-btn svg { width: 20px; height: 20px; }
  .icon-btn-menu { display: flex; }
  @media (min-width: 1024px) { .icon-btn-menu { display: none; } }

  .mobile-menu {
    position: fixed;
    inset-inline: 0;
    top: 64px;
    z-index: 40;
    height: calc(100vh - 64px);
    overflow-y: auto;
    background-color: var(--oita-bg);
    transform: translateX(100%);
    transition: transform 0.3s var(--oita-ease);
  }
  .mobile-menu.is-open { transform: translateX(0); }
  @media (min-width: 1024px) { .mobile-menu { display: none; } }
  .mobile-menu-inner { display: flex; flex-direction: column; padding-block: 24px; }
  .mobile-menu-inner a {
    border-bottom: 1px solid var(--oita-line);
    padding-block: 16px;
    font-size: 1rem;
    color: var(--oita-text);
  }
  .mobile-menu-inner .oita-btn { margin-top: 24px; justify-content: center; }

  /* ===================== Hero ===================== */
  .hero-media {
    position: relative;
    height: 86vh;
    min-height: 560px;
    width: 100%;
    overflow: hidden;
  }
  @media (min-width: 768px) { .hero-media { height: 92vh; } }
  .hero-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
  .hero-media .overlay {
    position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0.32) 0%, rgba(0,0,0,0.08) 45%, rgba(0,0,0,0.05) 100%);
  }
  .hero-content {
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-bottom: 64px;
    padding-top: 40px;
  }
  @media (min-width: 768px) { .hero-content { padding-bottom: 96px; } }
  .hero-content .eyebrow { margin-bottom: 16px; font-size: 0.75rem; letter-spacing: 0.22em; color: rgba(255,255,255,0.85); }
  .hero-content h1 {
    max-width: 34rem;
    font-size: 2.25rem;
    line-height: 1.4;
    color: #fff;
  }
  @media (min-width: 768px) { .hero-content h1 { font-size: 3.25rem; } }
  .hero-content .lede { margin-top: 20px; max-width: 28rem; font-size: 0.875rem; line-height: 1.9; color: rgba(255,255,255,0.9); }
  @media (min-width: 768px) { .hero-content .lede { font-size: 1rem; } }
  .hero-content .oita-btn { margin-top: 32px; width: fit-content; }
  .hero-badge {
    position: absolute;
    bottom: 32px;
    right: 24px;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.5);
    text-align: center;
    font-size: 0.55rem;
    line-height: 1.2;
    letter-spacing: 0.1em;
    color: rgba(255,255,255,0.9);
  }
  @media (min-width: 768px) { .hero-badge { display: flex; } }

  .about-section {
    padding-top: 36px;
  }
  @media (min-width: 768px) {
    .about-section { padding-top: 56px; }
  }
  .about-grid {
    max-width: 68rem;
    margin-inline: auto;
    text-align: center;
  }
  .about-grid .oita-lede {
    margin-inline: auto;
    max-width: none;
  }

  /* ===================== Cycle ===================== */
  .cycle-section { position: relative; }
  .cycle-media { position: absolute; inset: 0; }
  .cycle-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
  .cycle-media .tint { position: absolute; inset: 0; background: rgba(250, 247, 242, 0.78); }
  .cycle-inner { position: relative; }
  .cycle-intro { margin-inline: auto; max-width: 68rem; text-align: center; }
  .cycle-intro .oita-lede { margin-inline: auto; margin-bottom: 56px; max-width: none; }

  .cycle-steps {
    margin-inline: auto;
    display: grid;
    max-width: 48rem;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px 24px;
  }
  @media (min-width: 640px) { .cycle-steps { grid-template-columns: repeat(4, 1fr); } }
  .cycle-step { position: relative; display: flex; flex-direction: column; align-items: center; text-align: center; }
  .cycle-circle {
    display: flex;
    height: 112px;
    width: 112px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid var(--oita-line);
    background-color: var(--oita-bg);
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
  }
  @media (min-width: 768px) { .cycle-circle { height: 128px; width: 128px; } }
  .cycle-circle .label { font-family: var(--font-heading); font-size: 1rem; color: var(--oita-text); }
  @media (min-width: 768px) { .cycle-circle .label { font-size: 1.125rem; } }
  .cycle-circle .sub { margin-top: 4px; font-size: 0.65rem; color: var(--oita-text-soft); }
  .cycle-arrow {
    position: absolute;
    top: 50%;
    left: 100%;
    display: none;
    transform: translateY(-50%);
    color: var(--oita-text-soft);
  }
  @media (min-width: 640px) { .cycle-arrow { display: block; } }
  .cycle-arrow svg { width: 20px; height: 20px; }
  .cycle-cta { margin-top: 56px; display: flex; justify-content: center; }

  /* ===================== Food culture ===================== */
  .fc-banner {
    position: relative;
    display: flex;
    min-height: 420px;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 80px 24px;
    border-radius: 4px;
    text-align: center;
  }
  .fc-banner img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
  .fc-banner .tint { position: absolute; inset: 0; background: rgba(0,0,0,0.4); }
  .fc-banner-content { position: relative; z-index: 1; max-width: 36rem; }
  .fc-banner-content .oita-eyebrow { color: rgba(255,255,255,0.85); }
  .fc-banner-content .oita-heading { color: #fff; }
  .fc-banner-content .oita-lede { color: rgba(255,255,255,0.9); margin-inline: auto; }

  .fc-detail {
    margin-top: 40px;
    display: grid;
    gap: 32px;
  }
  @media (min-width: 768px) { .fc-detail { grid-template-columns: 1fr 1fr; align-items: center; } }
  .fc-detail-media { position: relative; aspect-ratio: 4/3; overflow: hidden; border-radius: 4px; }
  @media (min-width: 768px) { .fc-detail-media { order: 1; } }
  .fc-detail-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
  .fc-detail-text { }
  @media (min-width: 768px) { .fc-detail-text { order: 2; } }
  .fc-detail-text h3 { margin-bottom: 16px; font-size: 1.25rem; color: var(--oita-text); }
  @media (min-width: 768px) { .fc-detail-text h3 { font-size: 1.5rem; } }
  .fc-detail-text p { margin-bottom: 24px; font-size: 0.875rem; line-height: 1.9; color: var(--oita-text-soft); }

  /* ===================== People ===================== */
  .people-section {
    padding-top: 18px;
  }
  @media (min-width: 768px) {
    .people-section { padding-top: 28px; }
  }
  .people-intro { margin-bottom: 48px; max-width: 41rem; text-align: left; margin-inline: 0; }
  .people-intro .oita-lede { max-width: 70ch; margin-inline: 0; }
  .people-grid { display: grid; gap: 32px; }
  @media (min-width: 640px) { .people-grid { grid-template-columns: repeat(3, 1fr); } }
  .people-grid h3 { margin-bottom: 8px; font-size: 1.125rem; color: var(--oita-text); }
  .people-grid p { margin-bottom: 12px; font-size: 0.875rem; line-height: 1.8; color: var(--oita-text-soft); }

  /* ===================== News ===================== */
  .news-section { padding-top: 0; }
  .news-inner {
    border-top: 1px solid var(--oita-line);
    padding-top: 64px;
  }
  .news-inner h2 { margin-bottom: 24px; font-size: 1.25rem; color: var(--oita-text); }
  @media (min-width: 768px) { .news-inner h2 { font-size: 1.5rem; } }
  .news-list { margin-bottom: 24px; }
  .news-list li { border-bottom: 1px solid var(--oita-line); }
  .news-list a {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-block: 16px;
  }
  @media (min-width: 640px) { .news-list a { flex-direction: row; align-items: center; gap: 24px; } }
  .news-list .date { font-size: 0.75rem; color: var(--oita-text-soft); font-variant-numeric: tabular-nums; }
  .news-list .tag {
    width: fit-content;
    border-radius: 2px;
    border: 1px solid var(--oita-line);
    padding: 2px 8px;
    font-size: 0.65rem;
    letter-spacing: 0.02em;
    color: var(--oita-text-soft);
  }
  .news-list .title { font-size: 0.875rem; color: var(--oita-text); }
  .news-thumb { display: none; position: relative; width: 256px; aspect-ratio: 4/3; overflow: hidden; border-radius: 4px; }
  @media (min-width: 768px) { .news-thumb { display: block; } }
  .news-thumb img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }

  /* ===================== CTA ===================== */
  .cta-section { position: relative; }
  .cta-media {
    position: relative;
    display: flex;
    min-height: 420px;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-block: 96px;
  }
  .cta-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
  .cta-media .tint { position: absolute; inset: 0; background: rgba(0,0,0,0.38); }
  .cta-inner { position: relative; text-align: center; }
  .cta-inner h2 { margin-bottom: 16px; font-size: 1.5rem; color: #fff; }
  @media (min-width: 768px) { .cta-inner h2 { font-size: 1.875rem; } }
  .cta-inner p { margin-inline: auto; margin-bottom: 36px; max-width: 28rem; font-size: 0.875rem; line-height: 1.9; color: rgba(255,255,255,0.9); }
  .cta-actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 16px; }

  /* ===================== Footer ===================== */
  .site-footer { background-color: var(--oita-footer-bg); color: var(--oita-footer-text); }
  .footer-top {
    display: flex;
    flex-direction: column;
    gap: 48px;
    padding-block: 32px;
  }
  @media (min-width: 768px) { .footer-top { flex-direction: row; justify-content: space-between; } }
  .footer-brand { display: flex; flex-direction: column; gap: 12px; }
  .footer-brand .logo-row { display: flex; align-items: center; gap: 8px; color: #fff; }
  .footer-brand .logo-row .jp { font-family: var(--font-heading); font-size: 1rem; }
  .footer-brand .logo-row .en { font-size: 0.6rem; letter-spacing: 0.2em; color: var(--oita-footer-text-soft); }
  .footer-socials { margin-top: 8px; display: flex; align-items: center; gap: 16px; }
  .footer-socials a {
    display: flex; align-items: center; justify-content: center;
    width: 36px; height: 36px; color: var(--oita-footer-text);
    transition: opacity 0.2s;
  }
  .footer-socials a:hover { opacity: 0.7; }
  .footer-socials svg { width: 16px; height: 16px; }

  .footer-nav {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px 40px;
    font-size: 0.875rem;
  }
  @media (min-width: 640px) { .footer-nav { grid-template-columns: repeat(3, 1fr); } }
  .footer-nav a { transition: opacity 0.2s; }
  .footer-nav a:hover { opacity: 0.7; }

  .footer-bottom {
    display: flex;
    flex-direction: column;
    gap: 12px;
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-block: 24px;
    font-size: 0.75rem;
  }
  @media (min-width: 640px) { .footer-bottom { flex-direction: row; align-items: center; justify-content: space-between; } }
  .footer-legal { display: flex; flex-wrap: wrap; gap: 16px; }
  .footer-legal a { transition: opacity 0.2s; }
  .footer-legal a:hover { opacity: 0.7; }
  .footer-legal .sep { color: var(--oita-footer-text-soft); }
  .footer-copyright { color: var(--oita-footer-text-soft); }

  .sr-only {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
  }