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

:root {
  --off-white: #F7F5F0;
  --ash-blue: #8FA5B2;
  --ash-blue-dark: #6B8A9A;
  --gold: #B8962E;
  --gold-light: #D4AF5A;
  --dark: #1C1C1C;
  --mid: #5A5A5A;
  --light-gray: #E8E4DC;
  --font-en: 'Josefin Sans', sans-serif;
  --font-jp: 'Noto Sans JP', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-jp);
  background: var(--off-white);
  color: var(--dark);
  font-weight: 300;
  line-height: 1.8;
  font-size: 15px;
}

img { display: block; width: 100%; height: 100%; object-fit: cover; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  background: rgba(247, 245, 240, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(184, 150, 46, 0.15);
  transition: padding 0.3s;
}

.nav-logo {
  font-family: var(--font-en);
  font-size: 1.6rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  color: var(--dark);
  text-decoration: none;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 36px;
  align-items: center;
}

.nav-links a {
  font-family: var(--font-en);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  color: var(--mid);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--gold); }

.nav-lemon {
  color: var(--gold) !important;
  border: 1px solid var(--gold);
  padding: 6px 16px;
  border-radius: 20px;
  transition: background 0.2s, color 0.2s !important;
}

.nav-lemon:hover {
  background: var(--gold) !important;
  color: #fff !important;
}

.nav-toggle { display: none; background: none; border: none; font-size: 1.4rem; cursor: pointer; }

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

.hero-img-wrap {
  position: absolute;
  inset: 0;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  filter: brightness(0.55) saturate(0.8);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(28,28,28,0.1) 0%,
    rgba(28,28,28,0.45) 60%,
    rgba(28,28,28,0.7) 100%
  );
}

.hero-text {
  position: relative;
  text-align: center;
  color: #fff;
  z-index: 1;
}

.hero-sub {
  font-family: var(--font-jp);
  font-weight: 300;
  font-size: 0.85rem;
  letter-spacing: 0.35em;
  color: rgba(255,255,255,0.75);
  margin-bottom: 16px;
}

.hero-title {
  font-family: var(--font-en);
  font-size: clamp(4rem, 10vw, 8rem);
  font-weight: 100;
  letter-spacing: 0.35em;
  line-height: 1;
  color: #fff;
  margin-bottom: 16px;
}

.hero-en {
  font-family: var(--font-en);
  font-size: 0.9rem;
  letter-spacing: 0.3em;
  color: var(--gold-light);
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.6);
  font-size: 1.2rem;
  text-decoration: none;
  animation: bounce 2s infinite;
  z-index: 1;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ===== SECTION COMMON ===== */
section { padding: 100px 0; }

.section-label {
  display: block;
  font-family: var(--font-en);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  color: var(--gold);
  margin-bottom: 12px;
  text-transform: uppercase;
}

.section-title {
  font-family: var(--font-en);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 300;
  letter-spacing: 0.08em;
  color: var(--dark);
  margin-bottom: 48px;
}

.title-indent {
  display: inline-block;
  padding-left: 1em;
}

/* ===== ABOUT ===== */
.about { background: var(--off-white); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-lead {
  font-family: var(--font-en);
  font-size: 1.4rem;
  font-style: italic;
  color: var(--ash-blue-dark);
  margin-bottom: 24px;
}

.about-text p {
  color: var(--mid);
  margin-bottom: 20px;
  line-height: 2;
}

.about-text em {
  font-style: italic;
  color: var(--gold);
}

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 32px;
}

.about-tags span {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  border: 1px solid var(--ash-blue);
  color: var(--ash-blue-dark);
  padding: 5px 14px;
  border-radius: 20px;
}

.about-img-wrap {
  aspect-ratio: 3/4;
  overflow: hidden;
  border-radius: 2px;
}

.about-img-wrap img { transition: transform 0.6s ease; }
.about-img-wrap:hover img { transform: scale(1.04); }

/* ===== PROFILE ===== */
.profile { background: var(--light-gray); }

.profile-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 64px;
  align-items: start;
}

.profile-img-wrap {
  aspect-ratio: 3/4;
  overflow: hidden;
  border-radius: 2px;
}

.profile-img-wrap img { transition: transform 0.6s ease; }
.profile-img-wrap:hover img { transform: scale(1.04); }

.profile-name-jp {
  font-size: 0.85rem;
  color: var(--gold);
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}

.profile-text p {
  color: var(--mid);
  margin-bottom: 16px;
  line-height: 2;
}

@media (max-width: 768px) {
  .profile-grid { grid-template-columns: 1fr; gap: 32px; }
  .profile-img-wrap { aspect-ratio: 4/3; }
}

/* ===== ACHIEVEMENT ===== */
.achievement {
  background: var(--dark);
  padding: 64px 0;
}

.achievement-inner {
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  gap: 40px;
}

.achievement-item {
  text-align: center;
  color: #fff;
}

.ach-num {
  display: block;
  font-family: var(--font-en);
  font-size: 3rem;
  font-weight: 300;
  color: var(--gold-light);
  line-height: 1;
  margin-bottom: 10px;
}

.ach-num small { font-size: 1.2rem; }

.ach-label {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.6);
}

/* ===== PORTFOLIO ===== */
.portfolio { background: var(--light-gray); }

.portfolio-filter {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.filter-btn {
  font-family: var(--font-en);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  border: 1px solid var(--mid);
  background: none;
  color: var(--mid);
  padding: 7px 20px;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s;
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--dark);
  border-color: var(--dark);
  color: #fff;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.portfolio-more {
  text-align: center;
  margin-top: 40px;
}
.btn-insta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 32px;
  border: 1.5px solid var(--dark);
  color: var(--dark);
  font-family: var(--font-en);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}
.btn-insta:hover {
  background: var(--dark);
  color: #fff;
}

.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: 2px;
  aspect-ratio: 1;
  cursor: pointer;
}

.portfolio-item.highlight {
  grid-column: span 2;
  aspect-ratio: 16/9;
}

.portfolio-item img {
  transition: transform 0.5s ease;
}

.portfolio-item:hover img {
  transform: scale(1.06);
}

.portfolio-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 20px 16px 16px;
  background: linear-gradient(transparent, rgba(28,28,28,0.75));
  color: #fff;
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.portfolio-item:hover .portfolio-caption {
  transform: translateY(0);
}

.portfolio-caption p {
  font-size: 0.9rem;
  font-weight: 400;
  margin-bottom: 4px;
}

.portfolio-caption small {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.7);
}

/* ===== EVENTS ===== */
.events { background: var(--off-white); }

.events-list { display: flex; flex-direction: column; gap: 1px; }

.event-item {
  display: flex;
  gap: 40px;
  align-items: flex-start;
  padding: 32px 0;
  border-bottom: 1px solid var(--light-gray);
}

.event-date {
  font-family: var(--font-en);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--gold);
  white-space: nowrap;
  padding-top: 4px;
  min-width: 120px;
}

.event-title {
  font-size: 1rem;
  font-weight: 400;
  margin-bottom: 6px;
}

.event-desc {
  font-size: 0.85rem;
  color: var(--mid);
}

.btn-note-link {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--font-en);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-light);
  transition: color 0.2s;
}
.btn-note-link:hover { color: var(--gold-light); }

/* ===== LEMONROOM ===== */
.lemonroom {
  background: var(--ash-blue-dark);
  padding: 80px 0;
}

.lemon-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.lemon-text p {
  color: rgba(255,255,255,0.8);
  margin-bottom: 32px;
  line-height: 2;
}

.lemon-text .section-title { margin-bottom: 24px; }

.btn-lemon {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  color: #fff;
  border: 1px solid var(--gold-light);
  padding: 14px 32px;
  text-decoration: none;
  transition: background 0.2s;
}

.btn-lemon:hover {
  background: var(--gold);
  border-color: var(--gold);
}

.lemon-img {
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: 2px;
}

/* ===== CONTACT ===== */
.contact { background: var(--off-white); }

.contact-lead {
  color: var(--mid);
  margin-bottom: 12px;
  line-height: 2;
}
.contact-sub {
  font-size: 0.85rem;
  color: var(--gold);
  margin-bottom: 48px;
  letter-spacing: 0.05em;
}

.contact-form { max-width: 700px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.form-group { margin-bottom: 28px; }

.form-group label {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--mid);
  margin-bottom: 8px;
}

.form-group label span { color: var(--gold); }

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: #fff;
  border: 1px solid #D8D4CC;
  border-radius: 2px;
  padding: 12px 16px;
  font-family: var(--font-jp);
  font-size: 0.9rem;
  color: var(--dark);
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--ash-blue);
}

.btn-submit {
  font-family: var(--font-en);
  font-size: 0.9rem;
  letter-spacing: 0.2em;
  background: var(--dark);
  color: #fff;
  border: none;
  padding: 16px 48px;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-submit:hover { background: var(--gold); }

/* ===== FOOTER ===== */
.footer {
  background: var(--dark);
  padding: 48px 0 24px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 24px;
}

.footer-logo-img {
  width: 80px;
  height: 80px;
  object-fit: contain;
  opacity: 0.85;
  margin-bottom: 8px;
}

.footer-logo {
  font-family: var(--font-en);
  font-size: 1.4rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  color: #fff;
}

.footer-tagline {
  font-family: var(--font-en);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--gold-light);
  margin-top: 6px;
}

.footer-nav {
  display: flex;
  gap: 28px;
}

.footer-nav a {
  font-family: var(--font-en);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-nav a:hover { color: var(--gold-light); }

.footer-copy {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.3);
  text-align: center;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav { padding: 16px 20px; }
  .nav-links { display: none; }
  .nav-toggle { display: block; }

  .container { padding: 0 20px; }

  section { padding: 56px 0; }

  .about-grid,
  .lemon-inner { grid-template-columns: 1fr; gap: 32px; }

  .about-img-wrap { aspect-ratio: 4/3; order: -1; }
  .lemon-img { aspect-ratio: 4/3; }

  .portfolio-grid { grid-template-columns: 1fr 1fr; }
  .portfolio-item.highlight { grid-column: span 2; }

  .portfolio-caption {
    transform: translateY(0);
    background: linear-gradient(transparent, rgba(28,28,28,0.7));
  }

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

  .achievement-inner { gap: 32px; }

  .footer-inner { flex-direction: column; gap: 24px; text-align: center; }
  .footer-nav { flex-wrap: wrap; justify-content: center; }

  .event-item { flex-direction: column; gap: 8px; }

  .contact-lead br,
  .about-text br,
  .lemon-text br { display: none; }

  .hero-title { letter-spacing: 0.1em; }
  .hero-sub { letter-spacing: 0.2em; }
}

@media (max-width: 480px) {
  .portfolio-grid { grid-template-columns: 1fr; }
  .portfolio-item.highlight { grid-column: span 1; aspect-ratio: 1; }
  .section-title { margin-bottom: 32px; }
  .achievement-inner { flex-direction: column; }
}