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

:root {
  --bg: #FFF8F3;
  --bg-soft: #FCEEE6;
  --bg-section: #FFFFFF;
  --primary: #E89B8E;
  --primary-dark: #C97B63;
  --primary-deep: #A85C46;
  --text: #3D2914;
  --text-soft: #6B5544;
  --text-light: #9A8475;
  --border: #E8D0C5;
  --border-soft: #F0DDD3;
  --white: #FFFFFF;
  --shadow-sm: 0 2px 8px rgba(201, 123, 99, 0.08);
  --shadow-md: 0 6px 20px rgba(201, 123, 99, 0.10);
  --shadow-lg: 0 12px 36px rgba(201, 123, 99, 0.16);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --ease: cubic-bezier(0.25, 0.8, 0.25, 1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Nunito', 'Noto Sans JP', 'Noto Sans KR', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: 'Poppins', 'Noto Sans JP', 'Noto Sans KR', system-ui, sans-serif;
  color: var(--text);
  line-height: 1.3;
  font-weight: 600;
  letter-spacing: -0.01em;
}

a { color: var(--primary-deep); text-decoration: none; transition: color .4s var(--ease); }
a:hover { color: var(--primary); }
img { max-width: 100%; display: block; }

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 28px;
}

/* === Header === */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 248, 243, 0.92);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--border-soft);
  z-index: 100;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  position: relative;
}

.brand {
  font-family: 'Poppins', sans-serif;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--primary-deep);
  letter-spacing: -0.02em;
}

.brand .dot {
  color: var(--primary);
}

.nav-menu {
  display: flex;
  gap: 36px;
  list-style: none;
}

.nav-menu a {
  color: var(--text);
  font-weight: 500;
  font-size: 0.96rem;
  position: relative;
  padding: 4px 0;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width .4s var(--ease), left .4s var(--ease);
  border-radius: 2px;
}

.nav-menu a:hover { color: var(--primary-deep); }
.nav-menu a:hover::after { width: 100%; left: 0; }

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.4rem;
  color: var(--text);
  padding: 4px 8px;
  line-height: 1;
}

/* === Hero === */
.hero {
  padding: 80px 0 70px;
  text-align: center;
  background:
    radial-gradient(ellipse at top, rgba(244, 214, 206, 0.45) 0%, transparent 60%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before, .hero::after {
  content: '';
  position: absolute;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.4;
  pointer-events: none;
}

.hero::before {
  background: var(--primary);
  top: -100px;
  left: -100px;
}

.hero::after {
  background: #F7C9B8;
  bottom: -140px;
  right: -80px;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 780px;
  margin: 0 auto;
}

.hero-avatar {
  width: 140px;
  height: 140px;
  margin: 0 auto 28px;
  border-radius: 50%;
  overflow: hidden;
  border: 5px solid var(--white);
  box-shadow: var(--shadow-md);
  background: var(--bg-soft);
  transition: transform .5s var(--ease);
}

.hero-avatar:hover {
  transform: scale(1.04);
}

.hero-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero h1 {
  font-size: clamp(2.6rem, 5.5vw, 4rem);
  margin-bottom: 12px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.hero .tagline {
  font-family: 'Poppins', sans-serif;
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  color: var(--primary-deep);
  margin-bottom: 28px;
  letter-spacing: 0.08em;
  font-weight: 400;
  text-transform: uppercase;
}

.hero .tagline span {
  color: var(--text-light);
  margin: 0 10px;
}

.hero-bio {
  font-size: 1.06rem;
  color: var(--text-soft);
  margin: 0 auto 38px;
  max-width: 620px;
}

/* CTA */
.cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 36px;
  background: var(--primary-dark);
  color: var(--white) !important;
  border-radius: 60px;
  font-family: 'Poppins', sans-serif;
  font-weight: 500;
  font-size: 0.98rem;
  letter-spacing: 0.02em;
  box-shadow: var(--shadow-md);
  transition: all .4s var(--ease);
  border: 2px solid var(--primary-dark);
  cursor: pointer;
}

.cta:hover {
  background: var(--white);
  color: var(--primary-deep) !important;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.cta-arrow { transition: transform .4s var(--ease); }
.cta:hover .cta-arrow { transform: translateX(4px); }

/* === Section Title === */
.section-title {
  font-size: clamp(1.7rem, 3.5vw, 2.2rem);
  text-align: center;
  margin-bottom: 14px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.section-subtitle {
  text-align: center;
  color: var(--text-light);
  font-size: 0.94rem;
  margin-bottom: 48px;
  font-family: 'Poppins', sans-serif;
  font-weight: 300;
  letter-spacing: 0.03em;
}

.section-divider {
  display: block;
  width: 50px;
  height: 2px;
  background: var(--primary);
  margin: 14px auto 48px;
  border-radius: 2px;
  position: relative;
}

.section-divider::before, .section-divider::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
  transform: translateY(-50%);
}

.section-divider::before { left: -14px; }
.section-divider::after { right: -14px; }

/* === Partners === */
.partners {
  padding: 72px 0;
  background: var(--bg-section);
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 18px;
  align-items: center;
}

.partner-link {
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid var(--border-soft);
  border-radius: 18px;
  padding: 14px;
  transition: all .4s var(--ease);
  aspect-ratio: 5 / 3;
  overflow: hidden;
}

.partner-link:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
  background: var(--white);
}

.partner-link img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 10px;
  transition: border-radius .4s var(--ease);
}

.partner-link:hover img {
  border-radius: 6px;
}

/* === About === */
.about {
  padding: 88px 0;
  background: var(--bg-soft);
}

.about-wrap {
  max-width: 760px;
  margin: 0 auto;
}

.about-wrap p {
  margin-bottom: 22px;
  font-size: 1.06rem;
  color: var(--text);
}

.about-wrap p.lead {
  font-family: 'Poppins', sans-serif;
  font-size: 1.3rem;
  color: var(--primary-deep);
  margin-bottom: 28px;
  font-weight: 500;
}

.about-wrap p:last-of-type { margin-bottom: 0; }

/* === Profile === */
.profile {
  padding: 88px 0;
}

.profile-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  max-width: 760px;
  margin: 0 auto;
}

.profile-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-soft);
  transition: all .35s var(--ease);
}

.profile-item:hover {
  border-color: var(--primary);
  transform: translateX(2px);
}

.profile-label {
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  color: var(--primary-deep);
  font-size: 0.92rem;
  letter-spacing: 0.02em;
}

.profile-value {
  color: var(--text);
  font-weight: 500;
  text-align: right;
}

/* === Gallery === */
.gallery {
  padding: 88px 0;
  background: var(--bg-soft);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  max-width: 960px;
  margin: 0 auto;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 3 / 4;
  background: var(--bg);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s var(--ease);
}

.gallery-item:hover img { transform: scale(1.04); }

.gallery-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(61, 41, 20, 0.15) 100%);
  pointer-events: none;
}

/* === FAQ === */
.faq { padding: 88px 0; }

.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color .35s var(--ease), box-shadow .35s var(--ease);
}

.faq-item[open] {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  list-style: none;
  padding: 22px 26px;
  font-family: 'Poppins', sans-serif;
  font-weight: 500;
  font-size: 1rem;
  color: var(--text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  user-select: none;
}

.faq-question::-webkit-details-marker,
.faq-question::marker { display: none; }

.faq-icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  position: relative;
}

.faq-icon::before, .faq-icon::after {
  content: '';
  position: absolute;
  background: var(--primary-dark);
  border-radius: 2px;
  transition: transform .35s var(--ease);
}

.faq-icon::before {
  top: 50%; left: 0;
  width: 100%; height: 2px;
  transform: translateY(-50%);
}

.faq-icon::after {
  left: 50%; top: 0;
  height: 100%; width: 2px;
  transform: translateX(-50%);
}

.faq-item[open] .faq-icon::after {
  transform: translateX(-50%) rotate(90deg);
}

.faq-answer {
  padding: 0 26px 22px;
}

.faq-answer p {
  color: var(--text-soft);
  font-size: 0.98rem;
  line-height: 1.65;
}

/* === Social === */
.social {
  padding: 88px 0;
  background: var(--bg-soft);
  text-align: center;
}

.social-intro {
  color: var(--text-soft);
  max-width: 520px;
  margin: 0 auto 40px;
  font-size: 1.02rem;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
}

.social-link {
  width: 58px;
  height: 58px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 50%;
  transition: all .4s var(--ease);
  box-shadow: var(--shadow-sm);
}

.social-link:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.social-link svg {
  width: 22px;
  height: 22px;
  fill: var(--primary-deep);
  transition: fill .4s var(--ease);
}

.social-link:hover svg { fill: var(--white); }

/* === Footer === */
.site-footer {
  padding: 64px 0 32px;
  background: var(--bg-section);
  border-top: 1px solid var(--border-soft);
}

.footer-top {
  text-align: center;
  margin-bottom: 36px;
}

.footer-title {
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  color: var(--text-soft);
  margin-bottom: 22px;
  font-weight: 400;
  letter-spacing: 0.03em;
}

.lang-selector {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  max-width: 1040px;
  margin: 0 auto;
}

.lang-item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 116px;
  padding: 11px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.94rem;
  font-weight: 500;
  transition: all .35s var(--ease);
  font-family: 'Poppins', 'Noto Sans JP', 'Noto Sans KR', system-ui, sans-serif;
  text-align: center;
  cursor: pointer;
}

.lang-item:hover {
  background: var(--primary-dark);
  color: var(--white);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
}

.lang-item.active {
  background: var(--primary-dark);
  color: var(--white);
  border-color: var(--primary-dark);
  cursor: default;
}

.lang-item[data-lang="ja"] { font-family: 'Noto Sans JP', 'Poppins', sans-serif; }
.lang-item[data-lang="ko"] { font-family: 'Noto Sans KR', 'Poppins', sans-serif; }

.footer-bottom {
  border-top: 1px solid var(--border-soft);
  padding-top: 28px;
  margin-top: 36px;
  text-align: center;
}

.copyright {
  color: var(--text-light);
  font-size: 0.88rem;
}

/* === Responsive === */
@media (max-width: 980px) {
  .partners-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .container { padding: 0 22px; }

  .nav-menu {
    display: none;
    position: absolute;
    top: calc(100% + 1px);
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 18px 22px;
    gap: 18px;
    box-shadow: var(--shadow-md);
    border-bottom: 1px solid var(--border-soft);
  }

  .nav-menu.show { display: flex; }
  .menu-toggle { display: block; }

  .hero { padding: 56px 0 50px; }
  .hero-avatar { width: 110px; height: 110px; margin-bottom: 22px; }
  .hero h1 { font-size: 2.3rem; }
  .hero-bio { font-size: 1rem; }

  .partners { padding: 56px 0; }
  .partners-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }

  .about, .profile, .gallery, .faq, .social { padding: 60px 0; }

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

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

  .lang-item { width: 100px; padding: 9px 10px; font-size: 0.88rem; }

  .cta { padding: 13px 30px; font-size: 0.94rem; }

  .section-divider { margin-bottom: 36px; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2rem; }
  .hero .tagline { font-size: 0.85rem; }
  .hero-avatar { width: 100px; height: 100px; border-width: 4px; }

  .lang-item { width: calc(50% - 5px); }

  .social-link { width: 50px; height: 50px; }
  .social-link svg { width: 20px; height: 20px; }

  .brand { font-size: 1.3rem; }
}