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

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 300;
  color: #1a1a1a;
  background: #fff;
  line-height: 1.8;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px;
}

/* ===== Placeholder ===== */
.img-placeholder {
  background: #E8E2D8;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #C0B4A4;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-family: 'Noto Serif JP', serif;
}

/* ===== Typography ===== */
.section-label {
  font-size: 14px;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: #1a1a1a;
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 700;
  margin-bottom: 4px;
  display: block;
}

.section-title {
  font-family: 'Noto Serif JP', serif;
  font-weight: 400;
  font-size: clamp(22px, 3vw, 30px);
  margin-bottom: 12px;
  color: #1a1a1a;
}

.section-sub {
  font-size: 11px;
  color: #999;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
  display: block;
}

.section-desc {
  font-size: 13px;
  color: #888;
  margin-bottom: 48px;
  letter-spacing: 0.05em;
}

.center { text-align: center; }

/* ===== Buttons ===== */
.btn-text {
  display: inline-block;
  padding: 10px 32px;
  border: 1px solid #1a1a1a;
  color: #1a1a1a;
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  transition: background 0.25s, color 0.25s;
  font-weight: 400;
}
.btn-text:hover { background: #1a1a1a; color: #fff; }

.btn-hero {
  display: inline-block;
  margin-top: 28px;
  padding: 12px 40px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.7);
  color: #fff;
  font-size: 10px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  transition: background 0.3s, color 0.3s;
  font-weight: 400;
}
.btn-hero:hover { background: #fff; color: #1a1a1a; }

.btn-outline {
  display: inline-block;
  padding: 10px 28px;
  border: 1px solid #1a1a1a;
  color: #1a1a1a;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  transition: background 0.25s, color 0.25s;
  font-weight: 400;
}
.btn-outline:hover { background: #1a1a1a; color: #fff; }

.btn-insta-icon {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  transition: opacity 0.2s;
}
.btn-insta-icon:hover { opacity: 0.6; }
.insta-handle {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: #1a1a1a;
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #e8e8e8;
}

.header-inner {
  max-width: 100%;
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.logo-en {
  font-size: 9px;
  letter-spacing: 0.25em;
  color: #aaa;
  text-transform: uppercase;
  font-family: 'Noto Sans JP', sans-serif;
}
.logo-ja {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: #1a1a1a;
  opacity: 0.55;
  letter-spacing: 0.1em;
}

.nav ul {
  display: flex;
  gap: 36px;
}
.nav a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #1a1a1a;
  font-weight: 400;
  opacity: 0.55;
  transition: opacity 0.2s;
}
.nav a:hover { opacity: 1; }
.nav-sub {
  font-size: 8px;
  letter-spacing: 0.08em;
  text-transform: none;
  font-weight: 300;
  color: #999;
  font-family: 'Noto Sans JP', sans-serif;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 1px;
  background: #1a1a1a;
  transition: transform 0.3s, opacity 0.3s;
}
.nav-toggle.active span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ===== Hero ===== */
.hero { padding-top: 60px; }

.hero-image {
  height: 60vh;
  min-height: 400px;
  background: linear-gradient(to bottom, rgba(0,0,0,0.25) 0%, rgba(0,0,0,0.55) 100%), url('https://images.unsplash.com/photo-1616486338812-3dadae4b4ace?w=1920&q=80') center/cover no-repeat;
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
}

.hero-overlay {
  text-align: left;
  color: #fff;
  padding: 80px 64px;
  max-width: 680px;
}
.hero-sub {
  font-size: 10px;
  letter-spacing: 0.38em;
  text-transform: uppercase;
  margin-bottom: 24px;
  opacity: 0.55;
  font-weight: 400;
}
.hero-title {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(40px, 6.5vw, 72px);
  font-weight: 400;
  letter-spacing: 0.04em;
  line-height: 1.3;
}
.hero-desc {
  margin-top: 24px;
  font-size: 13px;
  line-height: 2;
  opacity: 0.6;
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 300;
  letter-spacing: 0.06em;
}

/* ===== About ===== */
.about { padding: 120px 0; }

.about-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 100px;
  align-items: center;
}

.about-img { order: 2; }
.about-text { order: 1; }

.about-placeholder {
  width: 100%;
  aspect-ratio: 3/4;
}

.about-text h2 {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(18px, 2.5vw, 26px);
  font-weight: 400;
  margin-bottom: 24px;
  line-height: 1.9;
  margin-top: 16px;
}
.about-text p {
  font-size: 12px;
  color: #777;
  line-height: 2.4;
  margin-bottom: 36px;
  letter-spacing: 0.03em;
}

/* ===== Categories ===== */
.categories {
  padding: 100px 0;
  background: #fff;
  border-top: 1px solid #e8e8e8;
  border-bottom: 1px solid #e8e8e8;
}

.cat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 48px;
  background: #d8d8d8;
  border: 1px solid #d8d8d8;
}

.cat-card {
  background: #fff;
  transition: background 0.2s;
}
.cat-card:hover { background: #f8f8f8; }

.cat-img {
  width: 100%;
  aspect-ratio: 4/3;
}

.cat-body {
  padding: 22px 22px 28px;
  border-top: 1px solid #e8e8e8;
}
.cat-body h3 {
  font-family: 'Noto Serif JP', serif;
  font-size: 14px;
  font-weight: 400;
  margin-bottom: 8px;
  color: #1a1a1a;
  letter-spacing: 0.04em;
}
.cat-body p {
  font-size: 11px;
  color: #aaa;
  line-height: 1.9;
}

/* ===== Featured Posts ===== */
.featured { padding: 110px 0; }
.bg-beige {
  background: #fff;
  border-top: 1px solid #e8e8e8;
  border-bottom: 1px solid #e8e8e8;
}

.posts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: #d8d8d8;
  border: 1px solid #d8d8d8;
}

.post-card {
  background: #fff;
  transition: background 0.2s;
}
.post-card:hover { background: #f8f8f8; }

.post-img {
  width: 100%;
  aspect-ratio: 4/3;
}

.post-body { padding: 24px 24px 32px; }

.post-number {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: #1a1a1a;
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 14px;
  line-height: 1;
}

.post-tag {
  font-size: 9px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: #bbb;
  display: inline-block;
  margin-bottom: 10px;
  font-weight: 400;
}

.post-body h3 {
  font-family: 'Noto Serif JP', serif;
  font-size: 14px;
  font-weight: 400;
  margin-bottom: 10px;
  line-height: 1.8;
  color: #1a1a1a;
  letter-spacing: 0.03em;
}
.post-body p {
  font-size: 11px;
  color: #aaa;
  line-height: 2;
  margin-bottom: 20px;
}

/* ===== Instagram ===== */
.instagram {
  padding: 110px 0;
  border-top: 1px solid #eee;
}

.insta-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 2px;
  margin-bottom: 40px;
}

.insta-item {
  aspect-ratio: 1;
  overflow: hidden;
  display: block;
}
.insta-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 0.4s, opacity 0.3s;
}
.insta-item:hover img { transform: scale(1.04); opacity: 0.85; }

.insta-btn-wrap { text-align: center; }

/* ===== Profile ===== */
.profile {
  padding: 110px 0;
  border-top: 1px solid #e8e8e8;
}
.profile.bg-beige { background: #fff; }

.profile-inner {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 80px;
  align-items: center;
}

.profile-placeholder {
  width: 280px;
  height: 280px;
  border-radius: 50%;
}
.profile-photo {
  width: 280px;
  height: 280px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center;
}

.profile-text h2 {
  font-family: 'Noto Serif JP', serif;
  font-size: 28px;
  font-weight: 400;
  margin-bottom: 6px;
  color: #1a1a1a;
}
.profile-sub {
  font-size: 11px;
  color: #aaa;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 20px !important;
}
.profile-text p {
  font-size: 13px;
  color: #666;
  line-height: 2.1;
  margin-bottom: 16px;
}
.profile-links {
  margin-top: 28px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.btn-rakuten {
  color: #BF0000;
  border-color: #BF0000;
}
.btn-rakuten:hover {
  background: #BF0000;
  color: #fff;
}

/* ===== Footer ===== */
.footer {
  background: #1a1a1a;
  color: #aaa;
  padding: 52px 0 32px;
  text-align: center;
}

.footer-logo {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  display: block;
  margin-bottom: 28px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.footer-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px 32px;
  margin-bottom: 32px;
}
.footer-nav a {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #666;
  transition: color 0.2s;
}
.footer-nav a:hover { color: #fff; }

.copyright {
  font-size: 10px;
  color: #444;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .posts-grid { grid-template-columns: repeat(2, 1fr); }
  .insta-grid { grid-template-columns: repeat(3, 1fr); }
  .about-inner { grid-template-columns: 1fr; gap: 40px; }
  .about-placeholder { aspect-ratio: 4/3; max-width: 400px; margin: 0 auto; }
  .profile-inner { grid-template-columns: 1fr; text-align: center; }
  .profile-placeholder { margin: 0 auto; }
  .hero-overlay { padding: 48px 32px; }
}

@media (max-width: 640px) {
  .container { padding: 0 20px; }
  .nav { display: none; position: absolute; top: 60px; left: 0; right: 0; background: #fff; border-bottom: 1px solid #eee; padding: 20px 24px; }
  .nav.open { display: block; }
  .nav ul { flex-direction: column; gap: 20px; }
  .nav-toggle { display: flex; }
  .cat-grid { grid-template-columns: repeat(2, 1fr); gap: 1px; }
  .posts-grid { grid-template-columns: 1fr; }
  .insta-grid { grid-template-columns: repeat(3, 1fr); }
  .featured, .about, .instagram, .profile { padding: 72px 0; }
  .hero-overlay { padding: 40px 24px; }
}
