/* ===== PATTERN 1: Rynzhuk — Avant-garde Grid & Typography ===== */

:root {
  --color-bg: #f5f2ec;
  --color-surface: #ffffff;
  --color-text: #1a1a1a;
  --color-text-sub: #555555;
  --color-accent: #1a3a5c;
  --color-accent-warm: #c8a96e;
  --color-line: rgba(26,26,26,0.12);
  --font-serif: 'Georgia', 'Times New Roman', '游明朝', 'Yu Mincho', serif;
  --font-sans: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'ヒラギノ角ゴ ProN W3', sans-serif;
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s var(--transition), transform 0.7s var(--transition);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 48px;
  display: flex;
  align-items: center;
  transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}
.nav.scrolled {
  background: rgba(245,242,236,0.96);
  padding: 12px 48px;
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}
.nav__logo {
  text-decoration: none;
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.nav__logo-jp {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.12em;
}
.nav__logo-en {
  font-size: 0.62rem;
  letter-spacing: 0.25em;
  color: var(--color-text-sub);
  text-transform: uppercase;
}
.nav__menu {
  display: flex;
  gap: 36px;
  list-style: none;
  align-items: center;
}
.nav__menu a {
  text-decoration: none;
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  color: var(--color-text);
  position: relative;
  transition: color var(--transition);
}
.nav__menu a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--transition);
}
.nav__menu a:hover::after { width: 100%; }
.nav__cta {
  background: var(--color-accent) !important;
  color: #fff !important;
  padding: 10px 24px;
  border-radius: 2px;
  letter-spacing: 0.05em !important;
}
.nav__cta::after { display: none !important; }
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav__toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--color-accent);
  transition: var(--transition);
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  padding: 120px 48px 80px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}
.hero__label {
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  color: var(--color-accent-warm);
  text-transform: uppercase;
  margin-bottom: 24px;
}
.hero__title {
  font-family: var(--font-serif);
  line-height: 1.1;
  margin-bottom: 28px;
}
.hero__title-lg {
  display: block;
  font-size: clamp(4rem, 8vw, 7rem);
  color: var(--color-accent);
  letter-spacing: -0.02em;
}
.hero__title-sm {
  display: block;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  color: var(--color-text-sub);
  letter-spacing: 0.06em;
  margin-top: 8px;
}
.hero__desc {
  color: var(--color-text-sub);
  margin-bottom: 40px;
  font-size: 0.95rem;
  line-height: 2;
}
.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero__image-frame {
  position: relative;
  aspect-ratio: 4/5;
  background: linear-gradient(135deg, var(--color-accent) 0%, #2d5f8a 100%);
  overflow: hidden;
  border-radius: 2px;
}
.hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}
.hero__badge {
  position: absolute;
  bottom: -1px;
  right: -1px;
  background: var(--color-accent-warm);
  padding: 24px 28px;
  text-align: center;
}
.hero__badge-num {
  display: block;
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 700;
  color: #fff;
  line-height: 1;
}
.hero__badge-text {
  display: block;
  font-size: 0.7rem;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.1em;
  margin-top: 4px;
}
.hero__accent-line {
  position: absolute;
  bottom: -40px;
  left: -40px;
  width: 200px;
  height: 200px;
  border: 2px solid var(--color-accent-warm);
  border-radius: 50%;
  opacity: 0.2;
}
.hero__scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: var(--color-text-sub);
}
.hero__scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.3; transform: scaleY(0.5); }
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  border-radius: 2px;
  text-decoration: none;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
}
.btn--primary {
  background: var(--color-accent);
  color: #fff;
}
.btn--primary:hover {
  background: #142e4a;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(26,58,92,0.25);
}
.btn--ghost {
  background: transparent;
  color: var(--color-accent);
  border: 1.5px solid var(--color-accent);
}
.btn--ghost:hover {
  background: var(--color-accent);
  color: #fff;
}
.btn--large {
  padding: 18px 48px;
  font-size: 1rem;
}

/* ===== STATS ===== */
.stats {
  background: var(--color-accent);
  padding: 60px 48px;
}
.stats__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: 0;
}
.stats__item {
  text-align: center;
  padding: 20px;
}
.stats__num {
  display: block;
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 700;
  color: #fff;
  line-height: 1;
}
.stats__num small {
  font-size: 1.2rem;
}
.stats__label {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.65);
  margin-top: 8px;
}
.stats__divider {
  width: 1px;
  height: 60px;
  background: rgba(255,255,255,0.2);
}

/* ===== SECTION COMMON ===== */
.section-header {
  margin-bottom: 60px;
}
.section-tag {
  font-size: 0.7rem;
  letter-spacing: 0.35em;
  color: var(--color-accent-warm);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--color-accent);
  letter-spacing: -0.01em;
  line-height: 1.2;
}
.section-desc {
  margin-top: 16px;
  color: var(--color-text-sub);
  font-size: 0.95rem;
}

/* ===== SERVICE ===== */
.service {
  padding: 120px 48px;
  background: var(--color-surface);
}
.service__inner {
  max-width: 1200px;
  margin: 0 auto;
}
.service__grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 32px;
}
.service__card {
  background: var(--color-bg);
  padding: 48px;
  border-top: 4px solid var(--color-accent);
  position: relative;
}
.service__card--main {
  border-top-color: var(--color-accent-warm);
}
.service__card-num {
  font-family: var(--font-serif);
  font-size: 4rem;
  color: var(--color-line);
  position: absolute;
  top: 16px;
  right: 24px;
  line-height: 1;
}
.service__card h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-accent);
  margin-bottom: 16px;
}
.service__card p {
  color: var(--color-text-sub);
  font-size: 0.9rem;
  margin-bottom: 24px;
  line-height: 1.9;
}
.service__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 28px;
}
.service__list li {
  font-size: 0.875rem;
  padding-left: 16px;
  position: relative;
  color: var(--color-text);
}
.service__list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-accent-warm);
}
.service__usage {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.service__usage span {
  font-size: 0.72rem;
  padding: 5px 12px;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  letter-spacing: 0.05em;
  border-radius: 2px;
}
.service__img-wrap {
  margin-top: 24px;
  background: linear-gradient(135deg, #e8f0f8 0%, #c8d8e8 100%);
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 2px;
}
.service__img {
  width: 80%;
  height: 80%;
  object-fit: contain;
  opacity: 0.6;
}

/* ===== ABOUT ===== */
.about {
  padding: 120px 48px;
  background: var(--color-bg);
}
.about__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 80px;
  align-items: start;
}
.about__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.about__table tr {
  border-bottom: 1px solid var(--color-line);
}
.about__table th {
  padding: 16px 20px 16px 0;
  text-align: left;
  font-weight: 600;
  color: var(--color-accent);
  white-space: nowrap;
  vertical-align: top;
  width: 140px;
  font-size: 0.85rem;
}
.about__table td {
  padding: 16px 0;
  color: var(--color-text-sub);
  line-height: 1.7;
}
.about__history-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-accent);
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--color-accent-warm);
}
.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.timeline__item {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-line);
  align-items: start;
}
.timeline__year {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-accent-warm);
}
.timeline__text {
  font-size: 0.875rem;
  color: var(--color-text-sub);
  padding-top: 2px;
}

/* ===== RESULTS ===== */
.results {
  padding: 120px 48px;
  background: var(--color-accent);
}
.results__inner {
  max-width: 1200px;
  margin: 0 auto;
}
.results .section-tag { color: rgba(200,169,110,0.9); }
.results .section-title { color: #fff; }
.results .section-desc { color: rgba(255,255,255,0.65); }
.results__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  margin-top: 0;
}
.results__card {
  background: rgba(255,255,255,0.06);
  padding: 40px 32px;
  transition: background var(--transition);
  border-top: 3px solid transparent;
}
.results__card:hover {
  background: rgba(255,255,255,0.12);
  border-top-color: var(--color-accent-warm);
}
.results__icon {
  width: 56px;
  height: 56px;
  margin-bottom: 24px;
  background: rgba(255,255,255,0.1);
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.results__icon img {
  width: 32px;
  height: 32px;
  filter: brightness(0) invert(1);
  opacity: 0.8;
}
.results__card h3 {
  font-size: 1rem;
  color: #fff;
  margin-bottom: 12px;
  font-weight: 600;
}
.results__card p {
  font-size: 0.83rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.8;
}

/* ===== ACCESS ===== */
.access {
  padding: 120px 48px;
  background: var(--color-surface);
}
.access__inner {
  max-width: 1200px;
  margin: 0 auto;
}
.access__offices {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.access__office h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--color-accent);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-accent-warm);
}
.access__office address {
  font-style: normal;
  color: var(--color-text-sub);
  font-size: 0.9rem;
  line-height: 1.9;
  margin-bottom: 24px;
}
.access__office address a {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 600;
}
.access__map {
  border-radius: 2px;
  overflow: hidden;
  border: 1px solid var(--color-line);
}
.access__map iframe {
  display: block;
}

/* ===== CONTACT ===== */
.contact {
  padding: 120px 48px;
  background: var(--color-bg);
}
.contact__inner {
  max-width: 800px;
  margin: 0 auto;
}
.contact__form {
  margin-top: 0;
}
.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}
.form__group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.form__group--full {
  margin-bottom: 24px;
}
.form__group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.05em;
}
.required {
  color: #c0392b;
}
.form__group input,
.form__group select,
.form__group textarea {
  border: 1.5px solid var(--color-line);
  border-radius: 2px;
  padding: 12px 16px;
  font-size: 0.9rem;
  font-family: var(--font-sans);
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color var(--transition);
  outline: none;
  width: 100%;
}
.form__group input:focus,
.form__group select:focus,
.form__group textarea:focus {
  border-color: var(--color-accent);
}
.form__group textarea {
  resize: vertical;
}
.form__hint {
  font-weight: 400;
  font-size: 0.75rem;
  color: var(--color-text-sub);
  margin-left: 6px;
}
.form__group select[multiple] {
  height: auto;
  padding: 4px;
}
.form__group select[multiple] option {
  padding: 8px 12px;
  border-radius: 2px;
}
.form__group select[multiple] option:checked {
  background: var(--color-accent);
  color: #fff;
}
.form__submit {
  text-align: center;
  margin-top: 32px;
}
.form__message {
  margin-top: 16px;
  text-align: center;
  font-size: 0.9rem;
  min-height: 24px;
}
.form__message.success { color: #27ae60; }
.form__message.error { color: #c0392b; }

/* ===== FOOTER ===== */
.footer {
  background: var(--color-text);
  padding: 48px;
}
.footer__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}
.footer__logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.footer__logo-jp {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: #fff;
  letter-spacing: 0.15em;
}
.footer__logo-en {
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  color: rgba(255,255,255,0.45);
}
.footer__nav {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  justify-content: center;
}
.footer__nav a {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  letter-spacing: 0.08em;
  transition: color var(--transition);
}
.footer__nav a:hover { color: #fff; }
.footer__copy {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.05em;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero__grid { grid-template-columns: 1fr; gap: 48px; }
  .hero__visual { display: none; }
  .service__grid { grid-template-columns: 1fr; }
  .about__inner { grid-template-columns: 1fr; }
  .results__grid { grid-template-columns: repeat(2, 1fr); }
  .stats__inner { grid-template-columns: repeat(4, 1fr); }
  .stats__divider { display: none; }
}

@media (max-width: 768px) {
  .nav { padding: 16px 24px; }
  .nav.scrolled { padding: 12px 24px; }
  .nav__menu {
    position: fixed;
    top: 0;
    right: -100%;
    bottom: 0;
    width: 280px;
    background: var(--color-bg);
    flex-direction: column;
    padding: 80px 40px;
    gap: 28px;
    transition: right var(--transition);
    box-shadow: -8px 0 32px rgba(0,0,0,0.1);
  }
  .nav__menu.open { right: 0; }
  .nav__menu a { font-size: 1rem; }
  .nav__toggle { display: flex; }
  .hero { padding: 100px 24px 60px; }
  .hero__title-lg { font-size: 3.5rem; }
  .stats { padding: 48px 24px; }
  .stats__inner { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .service, .about, .results, .access, .contact { padding: 80px 24px; }
  .access__offices { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }
  .footer { padding: 40px 24px; }
  .footer__nav { gap: 16px; }
}