/* ========================================
   北開道地所 戸建てホテル投資 LP
   ======================================== */

/* ---------- RESET & BASE ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  color: #1a1a2e;
  line-height: 1.8;
  background: #fff;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: opacity 0.3s; }
a:hover { opacity: 0.8; }
ul { list-style: none; }

/* ---------- UTILITY ---------- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container--sm { max-width: 800px; }
.sp-only { display: none; }
@media (max-width: 768px) { .sp-only { display: inline; } }

/* ---------- TYPOGRAPHY ---------- */
.section__label {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.875rem;
  letter-spacing: 0.2em;
  color: #c9a84c;
  margin-bottom: 12px;
}
.section__title {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 16px;
}
.section__subtitle {
  font-size: 0.9375rem;
  color: #666;
  margin-bottom: 48px;
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-block;
  padding: 16px 40px;
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  border-radius: 50px;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
}
.btn--primary {
  background: #c9a84c;
  color: #fff;
}
.btn--primary:hover {
  background: #b8963e;
  opacity: 1;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201,168,76,0.3);
}
.btn--outline {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.6);
}
.btn--outline:hover {
  background: rgba(255,255,255,0.1);
  opacity: 1;
}
.btn--lg { padding: 20px 56px; font-size: 1rem; }
.btn--full { width: 100%; text-align: center; }

/* ---------- SECTIONS ---------- */
.section { padding: 100px 0; }
.section--white { background: #fff; }
.section--light { background: #f5f5f3; }
.section--dark {
  background: #1a1a2e;
  color: #fff;
}
.section--dark .section__label { color: #c9a84c; }
.section--dark .section__title { color: #fff; }

/* ---------- HEADER ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 0;
  transition: all 0.4s ease;
}
.header.scrolled {
  background: rgba(255,255,255,0.97);
  padding: 12px 0;
  box-shadow: 0 1px 20px rgba(0,0,0,0.06);
}
.header.scrolled .header__logo-text,
.header.scrolled .header__logo-sub,
.header.scrolled .header__nav a { color: #1a1a2e; }
.header__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header__logo { display: flex; flex-direction: column; gap: 2px; }
.header__logo-text {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  transition: color 0.4s;
}
.header__logo-sub {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.625rem;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.7);
  transition: color 0.4s;
}
.header.scrolled .header__logo-sub { color: #999; }
.header__nav-list {
  display: flex;
  gap: 32px;
  align-items: center;
}
.header__nav a {
  font-size: 0.8125rem;
  font-weight: 500;
  color: #fff;
  transition: color 0.4s;
  letter-spacing: 0.05em;
}
.header__nav-cta {
  background: #c9a84c !important;
  color: #fff !important;
  padding: 10px 24px;
  border-radius: 50px;
  font-size: 0.8125rem;
}
.header__nav-cta:hover { opacity: 0.9; }
.header__hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.header__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  transition: all 0.3s;
}
.header.scrolled .header__hamburger span { background: #1a1a2e; }

/* ---------- HERO ---------- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* Slider */
.hero__slider {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.5s ease-in-out;
  z-index: 0;
}
.hero__slide.active {
  opacity: 1;
  z-index: 1;
}
.hero__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.02);
  transition: transform 7s ease-out;
}
.hero__slide.active .hero__bg-img {
  transform: scale(1.08);
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(26,26,46,0.5) 0%, rgba(26,26,46,0.35) 50%, rgba(26,26,46,0.55) 100%);
  z-index: 2;
}

/* Slider Indicators */
.hero__indicators {
  position: absolute;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  z-index: 5;
}
.hero__indicator {
  width: 32px;
  height: 3px;
  background: rgba(255,255,255,0.35);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: all 0.4s ease;
  border-radius: 2px;
  position: relative;
  overflow: hidden;
}
.hero__indicator.active {
  background: rgba(255,255,255,0.35);
}
.hero__indicator::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 0;
  background: #c9a84c;
  border-radius: 2px;
  transition: none;
}
.hero__indicator.active::after {
  animation: indicatorFill 5s linear forwards;
}
@keyframes indicatorFill {
  0% { width: 0; }
  100% { width: 100%; }
}
.hero__indicator:hover {
  background: rgba(255,255,255,0.5);
}
.hero__content {
  position: relative;
  z-index: 3;
  text-align: center;
  color: #fff;
  padding: 0 24px;
}
.hero__label {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.8125rem;
  letter-spacing: 0.3em;
  color: #c9a84c;
  margin-bottom: 24px;
}
.hero__title {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 24px;
  letter-spacing: 0.05em;
  text-shadow: 0 2px 16px rgba(0,0,0,0.5), 0 1px 4px rgba(0,0,0,0.3);
}
.hero__sub {
  font-size: clamp(0.875rem, 1.5vw, 1.0625rem);
  font-weight: 300;
  line-height: 2;
  margin-bottom: 48px;
  color: rgba(255,255,255,0.85);
  text-shadow: 0 1px 8px rgba(0,0,0,0.4);
}
.hero__cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero__scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 2;
}
.hero__scroll span {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.6);
}
.hero__scroll-line {
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,0.3);
  position: relative;
  overflow: hidden;
}
.hero__scroll-line::after {
  content: '';
  position: absolute;
  top: -100%;
  width: 100%;
  height: 100%;
  background: #c9a84c;
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0% { top: -100%; }
  100% { top: 100%; }
}

/* ---------- PROBLEM ---------- */
.problem-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 64px;
}
.problem-card {
  text-align: center;
  padding: 40px 24px;
  background: #f9f9f7;
  border-radius: 12px;
  transition: transform 0.3s;
}
.problem-card:hover { transform: translateY(-4px); }
.problem-card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
}
.problem-card__title {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 12px;
}
.problem-card__text {
  font-size: 0.875rem;
  color: #666;
  line-height: 1.8;
}
.problem-transition {
  display: flex;
  align-items: center;
  gap: 24px;
  text-align: center;
}
.problem-transition__line {
  flex: 1;
  height: 1px;
  background: #c9a84c;
}
.problem-transition__text {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.375rem;
  font-weight: 600;
  color: #c9a84c;
  line-height: 1.8;
  white-space: nowrap;
}

/* ---------- MERIT ---------- */
/* ---------- MERIT DETAIL ---------- */
.merit-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 64px;
}
.merit-detail:last-child {
  margin-bottom: 0;
}
.merit-detail--reverse {
  direction: rtl;
}
.merit-detail--reverse > * {
  direction: ltr;
}
.merit-detail__img-wrap {
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 3/2;
}
.merit-detail__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.merit-detail:hover .merit-detail__img {
  transform: scale(1.03);
}
.merit-detail__body {
  padding: 8px 0;
}
.merit-detail__num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: #c9a84c;
  line-height: 1;
  margin-bottom: 12px;
}
.merit-detail__title {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: #fff;
  line-height: 1.4;
}
.merit-detail__text {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.75);
  line-height: 2;
}

/* ---------- REASON ---------- */
.reason-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.reason-card {
  text-align: center;
  padding: 40px 24px;
  background: #fff;
  border-radius: 12px;
  border: 1px solid #eee;
  transition: transform 0.3s, box-shadow 0.3s;
}
.reason-card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,0.06); }
.reason-card__icon {
  width: 100%;
  aspect-ratio: 3/2;
  margin: 0 auto 20px;
  border-radius: 8px;
  overflow: hidden;
}
.reason-card__icon svg {
  width: 100%;
  height: 100%;
}
.reason-card__icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.reason-card:hover .reason-card__icon img {
  transform: scale(1.05);
}
.reason-card__title {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 12px;
  line-height: 1.6;
}
.reason-card__text {
  font-size: 0.875rem;
  color: #666;
  line-height: 1.8;
}

/* ---------- PROJECTS ---------- */
.project-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}
.project-card {
  display: block;
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.3s;
  box-shadow: 0 4px 24px rgba(0,0,0,0.04);
}
.project-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.08);
  opacity: 1;
}
.project-card__img-wrap {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
}
.project-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.project-card:hover .project-card__img { transform: scale(1.05); }
.project-card__badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: #c9a84c;
  color: #fff;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 6px 16px;
  border-radius: 50px;
}
.badge--plan { background: #1a1a2e; }
.project-card__body { padding: 28px 32px; }
.project-card__area {
  font-size: 0.75rem;
  color: #999;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}
.project-card__name {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.project-card__desc {
  font-size: 0.8125rem;
  color: #666;
  margin-bottom: 16px;
}
.project-card__link {
  font-size: 0.8125rem;
  color: #c9a84c;
  font-weight: 500;
}

/* ---------- SAPPORO ---------- */
.sapporo-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.sapporo-card {
  text-align: center;
  padding: 48px 32px;
  background: #f9f9f7;
  border-radius: 12px;
  transition: transform 0.3s;
}
.sapporo-card:hover { transform: translateY(-4px); }
.sapporo-card__icon-wrap {
  width: 64px;
  height: 64px;
  margin: 0 auto 24px;
}
.sapporo-card__title {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 16px;
  line-height: 1.6;
}
.sapporo-card__text {
  font-size: 0.875rem;
  color: #666;
  line-height: 1.8;
}

/* ---------- COMPANY ---------- */
.company-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.company-numbers {
  display: flex;
  flex-direction: column;
  gap: 48px;
}
.company-number { text-align: center; }
.company-number__value,
.company-number__value-text {
  font-family: 'Cormorant Garamond', serif;
  font-size: 4rem;
  font-weight: 700;
  color: #c9a84c;
  line-height: 1;
}
.company-number__plus,
.company-number__unit {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2rem;
  color: #c9a84c;
  margin-left: 4px;
}
.company-number__label {
  display: block;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.7);
  margin-top: 8px;
}
.company-message__catch {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.7;
  margin-bottom: 24px;
}
.company-message__text {
  font-size: 0.9375rem;
  line-height: 2;
  color: rgba(255,255,255,0.8);
}

/* ---------- CTA BLOCK ---------- */
.cta-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  background: #fff;
  border-radius: 16px;
  padding: 48px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.04);
}
.cta-block__img img { border-radius: 8px; }
.cta-block__title {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.375rem;
  font-weight: 600;
  line-height: 1.7;
  margin-bottom: 16px;
}
.cta-block__text {
  font-size: 0.875rem;
  color: #666;
  line-height: 1.8;
  margin-bottom: 32px;
}

/* ---------- CONTACT FORM ---------- */
.contact-form { margin-top: 16px; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.form-group { margin-bottom: 24px; }
.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 8px;
}
.required { color: #c9a84c; font-size: 0.75rem; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  font-size: 0.9375rem;
  font-family: 'Noto Sans JP', sans-serif;
  border: 1px solid #ddd;
  border-radius: 8px;
  background: #f9f9f7;
  transition: border-color 0.3s;
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: #c9a84c;
}
.form-submit { text-align: center; margin-top: 16px; }

/* ---------- FOOTER ---------- */
.footer {
  background: #1a1a2e;
  color: #fff;
  padding: 48px 0 24px;
}
.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 24px;
}
.footer__logo {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.125rem;
  font-weight: 700;
}
.footer__logo-en {
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.625rem;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.5);
  margin-top: 4px;
}
.footer__nav { display: flex; gap: 32px; }
.footer__nav a {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.7);
}
.footer__copy {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
  text-align: center;
}

/* ---------- FLOATING CTA ---------- */
.floating-cta {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 900;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.4s ease;
  pointer-events: none;
}
.floating-cta.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.floating-cta__btn {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #c9a84c;
  color: #fff;
  padding: 16px 28px;
  border-radius: 50px;
  box-shadow: 0 8px 32px rgba(201,168,76,0.4);
  transition: all 0.3s;
}
.floating-cta__btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(201,168,76,0.5);
  opacity: 1;
}
.floating-cta__label {
  background: rgba(255,255,255,0.2);
  padding: 4px 10px;
  border-radius: 50px;
  font-size: 0.6875rem;
  font-weight: 700;
}
.floating-cta__text { font-size: 0.875rem; font-weight: 500; }
.floating-cta__arrow { font-size: 1.125rem; }

/* ---------- ANIMATION ---------- */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .merit-detail { gap: 32px; margin-bottom: 48px; }
  .reason-cards { grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .company-content { gap: 40px; }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }
  .header__nav { display: none; }
  .header__hamburger { display: flex; }

  /* Mobile Nav */
  .header__nav.active {
    display: flex;
    position: fixed;
    inset: 0;
    background: rgba(26,26,46,0.97);
    align-items: center;
    justify-content: center;
    z-index: 999;
  }
  .header__nav.active .header__nav-list {
    flex-direction: column;
    gap: 24px;
  }
  .header__nav.active a {
    font-size: 1.125rem;
    color: #fff;
  }

  .problem-cards { grid-template-columns: 1fr; gap: 20px; }
  .problem-transition { flex-direction: column; }
  .problem-transition__text { white-space: normal; font-size: 1rem; }

  .merit-detail { grid-template-columns: 1fr; gap: 24px; margin-bottom: 48px; }
  .merit-detail--reverse { direction: ltr; }

  .reason-cards { grid-template-columns: 1fr; gap: 32px; }

  .project-cards { grid-template-columns: 1fr; gap: 24px; }

  .sapporo-cards { grid-template-columns: 1fr; gap: 20px; }

  .company-content { grid-template-columns: 1fr; gap: 48px; }
  .company-numbers { flex-direction: row; justify-content: space-around; flex-wrap: wrap; }

  .cta-block { grid-template-columns: 1fr; padding: 32px; gap: 32px; }

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

  .footer__inner { flex-direction: column; gap: 16px; text-align: center; }
  .footer__nav { justify-content: center; }

  .floating-cta { bottom: 16px; right: 16px; left: 16px; }
  .floating-cta__btn { justify-content: center; width: 100%; }
}

/* ---------- PROJECT DETAIL PAGE ---------- */
.project-hero {
  position: relative;
  height: 70vh;
  min-height: 400px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.project-hero__bg {
  position: absolute;
  inset: 0;
}
.project-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.project-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26,26,46,0.8) 0%, rgba(26,26,46,0.2) 60%);
}
.project-hero__content {
  position: relative;
  z-index: 2;
  padding: 48px;
  color: #fff;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}
.project-hero__area {
  font-size: 0.8125rem;
  letter-spacing: 0.15em;
  color: #c9a84c;
  margin-bottom: 8px;
}
.project-hero__title {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 8px;
}
.project-hero__sub {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.8);
}

/* Project Info Table */
.project-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  margin-bottom: 64px;
}
.project-info__item {
  padding: 24px;
  background: #f9f9f7;
  border-radius: 8px;
  text-align: center;
}
.project-info__label {
  font-size: 0.75rem;
  color: #999;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}
.project-info__value {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.125rem;
  font-weight: 600;
}

/* Gallery */
.gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 64px;
}
.gallery__item {
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 16/10;
}
.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.gallery__item:hover img { transform: scale(1.05); }

/* Simulation */
.simulation {
  background: #f9f9f7;
  border-radius: 16px;
  padding: 48px;
  margin-bottom: 64px;
}
.simulation__title {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 32px;
  text-align: center;
}
.simulation__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  text-align: center;
}
.simulation__item-label {
  font-size: 0.8125rem;
  color: #999;
  margin-bottom: 8px;
}
.simulation__item-value {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2rem;
  font-weight: 700;
  color: #c9a84c;
}
.simulation__item-unit {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 0.875rem;
  color: #666;
}
.simulation__note {
  text-align: center;
  font-size: 0.75rem;
  color: #999;
  margin-top: 24px;
}

/* Back link */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: #c9a84c;
  margin-bottom: 48px;
}
.back-link:hover { opacity: 0.7; }

@media (max-width: 768px) {
  .project-hero { height: 50vh; }
  .project-hero__content { padding: 24px; }
  .gallery { grid-template-columns: 1fr; }
  .simulation { padding: 32px 24px; }
  .simulation__grid { grid-template-columns: 1fr; gap: 16px; }
}