:root {
  --primary: #2a7a6a;
  --accent: #f0a030;
  --mint: #7ecac3;
  --sky: #5ab8d4;
  --lime: #a8c94a;
  --orange: #f0a030;
  --light: #edf8f6;
  --text: #1a1a1a;
  --border: #c4e8e2;
  --white: #ffffff;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Noto Sans JP', sans-serif; background: var(--white); color: var(--text); line-height: 1.6; }
html { scroll-behavior: smooth; }

/* --- HEADER --- */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.97);
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 32px;
  height: 72px;
  backdrop-filter: blur(8px);
  gap: 16px;

}

.logo { display: flex; align-items: center; }
.logo-img--header { width: 45px; object-fit: contain; mix-blend-mode: multiply; }

nav { display: flex; align-items: center; gap: 24px; justify-content: center; }
nav a {
  text-decoration: none;
  color: var(--text);
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  transition: color 0.2s;
}
nav a:hover { color: var(--primary); }

.header-actions { display: flex; justify-content: flex-end; }
.btn-login-link {
  padding: 10px 24px;
  background: var(--sky);
  color: var(--white);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: 0.5em;
  border: 1.5px solid var(--sky);
  transition: all 0.2s;
}
.btn-login-link:hover { background: transparent; color: var(--sky); }

/* --- HERO --- */
.hero { margin-top: 72px; padding: 15px 0; text-align: center; }
.hero-images { display: flex; justify-content: center; width: 100%;gap: 14px; }
.hero-item { flex: 1; max-width: 310px}
.hero-item img { width: 100%; height: auto; display: block;margin:10px }

/* --- SPLIT CTA --- */
.split-cta { display: grid; height: 200px; position: relative; }
.split-pane { position: relative; overflow: hidden; display: flex; align-items: center; justify-content: center; text-decoration: none; }
.split-pane-bg { position: absolute; inset: 0; transition: transform 0.6s ease; }
.split-pane:hover .split-pane-bg { transform: scale(1.05); }
.split-pane-overlay { position: absolute; inset: 0; transition: background 0.3s; }

.split-pane--business .split-pane-bg { background: var(--sky); }
.split-pane--personal .split-pane-bg { background: var(--orange); }
.split-pane--business .split-pane-overlay { background: rgba(30,80,90,0.28); }
.split-pane--personal .split-pane-overlay { background: rgba(90,50,10,0.25); }
.split-pane:hover .split-pane-overlay { background: rgba(0,0,0,0.15); }

.split-pane-content { position: relative; z-index: 2; text-align: center; color: var(--white); padding: 0 40px; }
.split-tag { font-size: 0.64rem; letter-spacing: 0.25em; text-transform: uppercase; opacity: 0.7; margin-bottom: 8px; }
.split-title { font-family: 'Noto Serif JP', serif; font-size: 1.4rem; font-weight: 700; margin-bottom: 10px; }
.split-desc { font-size: 0.76rem; opacity: 0.82; margin-bottom: 16px; }
.split-btn { display: inline-block; padding: 8px 22px; border: 1.5px solid rgba(255,255,255,0.75); font-size: 0.75rem; color: var(--white); transition: background 0.2s; }
.split-pane:hover .split-btn { background: rgba(255,255,255,0.18); }

/* --- SECTION COMMON --- */
.section-header { text-align: center; margin-bottom: 40px; }
.section-en { font-size: 0.68rem; letter-spacing: 0.25em; color: var(--primary); text-transform: uppercase; margin-bottom: 8px; }
.section-title { font-family: 'Noto Serif JP', serif; font-size: 1.75rem; font-weight: 600; }
.section-line { width: 36px; height: 2px; background: var(--mint); margin: 10px auto 0; }

/* --- ABOUT --- */
.about { background: var(--light); padding: 80px 80px 64px; }
.about-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; max-width: 1100px; margin: 0 auto; }
.about-eyebrow { font-size: 0.68rem; color: var(--primary); text-transform: uppercase; margin-bottom: 12px; }
.about-title { font-family: 'Noto Serif JP', serif; font-size: 1.9rem; font-weight: 700; line-height: 1.4; margin-bottom: 20px; }
.about-lead { font-size: 0.9rem; color: #333; margin-bottom: 24px; }
.about-strengths { display: flex; flex-direction: column; gap: 14px; }
.strength-item { display: flex; gap: 14px; }
.strength-num { font-family: 'Noto Serif JP', serif; font-size: 1.5rem; font-weight: 700; color: var(--mint); min-width: 28px; }
.strength-body h4 { font-size: 0.88rem; font-weight: 600; margin-bottom: 3px; }
.strength-body p { font-size: 0.78rem; color: #444; }

.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.stat-card { background: var(--white); border: 1px solid var(--border); padding: 24px 20px; text-align: center; }
.stat-num { font-family: 'Noto Serif JP', serif; font-size: 2.2rem; font-weight: 700; color: var(--primary); }
.stat-unit { font-size: 0.8rem; margin-left: 2px; }
.stat-label { font-size: 0.75rem; color: #444; margin-top: 6px; }
.stat-sub { font-size: 0.68rem; color: #999; }

/* --- CATEGORIES --- */
.categories { padding: 60px 80px; }
.cat-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; max-width: 1100px; margin: 40px auto 0; }
.cat-card { position: relative; overflow: hidden; aspect-ratio: 4/3; text-decoration: none; }
.cat-card-bg { position: absolute; inset: 0; background-size: cover !important; transition: transform 0.5s ease; }
.cat-card:hover .cat-card-bg { transform: scale(1.08); }
.cat-card-label { position: absolute; bottom: 0; left: 0; right: 0; background: rgba(255,255,255,0.85); backdrop-filter: blur(6px); padding: 10px 12px 9px; text-align: center; }
.cat-name { font-family: 'Noto Serif JP', serif; font-size: 0.82rem; font-weight: 600; color: var(--text); display: block; }
.cat-sub { font-size: 0.64rem; color: #666; letter-spacing: 0.08em; }

/* --- SNS --- */
.instagram-section { background: var(--light); padding: 80px 80px 64px; }
.instagram-section { padding: 60px 20px; }
.instagram-inner { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; max-width: 1100px; margin: 0 auto; }
.insta-wrap { width: 100%; max-width: 320px; overflow: hidden; }
.sns-embed-container { flex: 1 1 280px; max-width: 340px; border-radius: 15px; overflow: hidden; border: 1px solid #ddd; }

/* --- FEATURED --- */
.featured { padding: 60px 80px; margin-top: 40px; }
.featured-card { position: relative; overflow: hidden; height: 260px; display: block; text-decoration: none; }
.featured-card-bg { position: absolute; inset: 0; background-size: cover !important; transition: transform 0.6s ease; }
.featured-card:hover .featured-card-bg { transform: scale(1.06); }
.featured-card-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,0.72) 0%, transparent 100%); }
.featured-card-content { position: absolute; bottom: 0; left: 0; right: 0; padding: 24px; z-index: 2; }
.featured-tag { font-size: 0.62rem; color: var(--accent); text-transform: uppercase; margin-bottom: 6px; display: block; }
.featured-name { font-family: 'Noto Serif JP', serif; font-size: 1.15rem; font-weight: 700; color: var(--white); }
.featured-desc { font-size: 0.76rem; color: rgba(255,255,255,0.72); max-height: 0; overflow: hidden; transition: 0.4s; opacity: 0; }
.featured-card:hover .featured-desc { max-height: 80px; opacity: 1; }

.contact-cta-btn {
  display: inline-block;
  padding: 16px 52px;
  background: var(--primary);
  color: var(--white);
  text-decoration: none;
  font-weight: 500;
  border: 2px solid var(--primary);
  transition: 0.2s;
}
.contact-cta-btn:hover { background: transparent; color: var(--primary); transform: translateY(-2px); }

/* --- FOOTER --- */
footer { background: #ffffff; border-top: 2px solid var(--border); padding: 15px 80px 24px; font-size: 0.8rem; }
.footer-top { display: flex; justify-content: space-between; margin-bottom: 30px; }
.logo-img--footer { width: 260px; height: auto; mix-blend-mode: multiply; }
.footer-links { display: flex; gap: 22px; flex-wrap: wrap; }
.footer-links a { color: #555; text-decoration: none; }
.footer-links a:hover { color: var(--primary); }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 18px; text-align: center; color: #999; font-size: 0.72rem; }

/* --- MOBILE --- */
@media (max-width: 900px) {
  header { grid-template-columns: auto 1fr auto; padding: 0 16px; }
  .categories, .about, .featured { padding: 48px 40px; }
  .cat-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 480px) {
  header { height: 60px; }
  .hero { margin-top: 60px; }
  .hero-images { overflow-x: auto; scroll-snap-type: x mandatory; }
  .hero-item { flex: 0 0 75vw; scroll-snap-align: center; }
  .split-cta { display: flex !important; flex-direction: column !important; height: auto !important; }
  .split-pane { height: 150px; }
  .about { padding: 40px 18px; }
  .about-inner { display: block !important; }
  .about-stats { grid-template-columns: 1fr 1fr !important; }
  .cat-grid { grid-template-columns: repeat(2, 1fr) !important; }
  .footer-links { display: grid !important; grid-template-columns: 1fr 1fr; }
}

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }