/* ============================================================
   SEREN Aroma Healing Salon – style.css
   ============================================================ */

:root {
  --color-base: #FDFAF5;
  --color-accent: #9B6E6E;
  --color-accent-dark: #7A5050;
  --color-accent-light: #EDD8D8;
  --color-sub: #7E9E8A;
  --color-sub-light: #D8EAE0;
  --color-text: #3D3232;
  --color-muted: #8A7E7A;
  --color-border: #E0D8D0;
  --color-bg-section: #F7F2EC;
  --font-serif: 'Noto Serif JP', serif;
  --font-sans: 'Noto Sans JP', sans-serif;
  --font-en: 'Lato', sans-serif;
  --max-width: 1080px;
  --radius: 8px;
  --shadow: 0 4px 20px rgba(61,50,50,0.08);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-base);
  line-height: 1.85;
}

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 88px 0; }
.section:nth-child(even) { background: var(--color-bg-section); }

.section-label {
  font-family: var(--font-en);
  font-size: 0.72rem;
  letter-spacing: 0.25em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 0.6rem;
  display: block;
}
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.7rem, 3.5vw, 2.3rem);
  font-weight: 600;
  margin-bottom: 2.8rem;
  line-height: 1.5;
}
.text-center { text-align: center; }

/* ── Header ── */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(253,250,245,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow 0.3s;
}
.site-header.scrolled { box-shadow: var(--shadow); }

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-en);
  font-size: 1.1rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--color-accent-dark);
}
.logo span {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--color-muted);
  display: block;
  margin-top: -2px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-menu a {
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  color: var(--color-text);
  transition: color 0.2s;
}
.nav-menu a:hover { color: var(--color-accent); }
.nav-cta {
  background: var(--color-accent);
  color: #fff !important;
  padding: 9px 20px;
  border-radius: 24px;
  font-size: 0.78rem !important;
  transition: background 0.2s !important;
}
.nav-cta:hover { background: var(--color-accent-dark) !important; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--color-text);
  transition: transform 0.3s, opacity 0.3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 64px;
}
.hero-bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(61,50,50,0.55) 0%, rgba(61,50,50,0.3) 100%);
}
.hero-content {
  position: relative; z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  color: #fff;
}
.hero-label {
  font-family: var(--font-en);
  font-size: 0.75rem;
  letter-spacing: 0.28em;
  opacity: 0.85;
  margin-bottom: 1.2rem;
  display: block;
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 1.4rem;
}
.hero-sub {
  font-size: 0.95rem;
  line-height: 1.9;
  opacity: 0.9;
  margin-bottom: 2.8rem;
}

/* ── CTA Button ── */
.cta-btn {
  display: inline-block;
  background: var(--color-accent);
  color: #fff;
  padding: 16px 40px;
  border-radius: 32px;
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  font-family: var(--font-sans);
  transition: background 0.25s, transform 0.2s, box-shadow 0.2s;
  border: none;
  cursor: pointer;
}
.cta-btn:hover {
  background: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(155,110,110,0.35);
}
.cta-btn-light {
  background: #fff;
  color: var(--color-accent-dark) !important;
}
.cta-btn-light:hover { background: var(--color-accent-light); }

/* ── Concept ── */
.concept-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.concept-text p {
  font-size: 0.92rem;
  line-height: 2;
  color: var(--color-text);
  margin-bottom: 1rem;
}
.concept-text h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1.6;
  margin-bottom: 1.6rem;
}
.concept-img img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* ── Feature ── */
.feature.section { background: var(--color-bg-section); }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.feature-card {
  background: #fff;
  padding: 40px 32px;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: var(--shadow);
}
.feature-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 20px;
  color: var(--color-accent);
}
.feature-icon svg { width: 100%; height: 100%; }
.feature-card h3 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  margin-bottom: 0.8rem;
}
.feature-card p { font-size: 0.87rem; line-height: 1.9; color: var(--color-muted); }

/* ── Service ── */
.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.service-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.25s;
}
.service-card:hover { transform: translateY(-4px); }
.service-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}
.service-body { padding: 28px; }
.service-body h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  margin-bottom: 0.6rem;
}
.service-body p { font-size: 0.87rem; line-height: 1.9; color: var(--color-muted); }
.service-time {
  margin-top: 0.8rem;
  font-size: 0.8rem;
  color: var(--color-accent);
  font-weight: 500;
}

/* ── Gallery ── */
.gallery.section { background: var(--color-bg-section); }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.gallery-item img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  border-radius: var(--radius);
  transition: transform 0.3s;
}
.gallery-item:hover img { transform: scale(1.03); }
.gallery-item { overflow: hidden; border-radius: var(--radius); }

/* ── Price ── */
.price-table-wrap {
  overflow-x: auto;
  margin-bottom: 1.4rem;
}
.price-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.price-table th, .price-table td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
}
.price-table thead th {
  background: var(--color-accent);
  color: #fff;
  font-weight: 500;
  letter-spacing: 0.05em;
}
.price-table tbody tr:last-child td { border-bottom: none; }
.price-table .set-row td { background: var(--color-sub-light); font-weight: 500; }
.price-table small { font-size: 0.78rem; color: var(--color-muted); }
.price-note {
  font-size: 0.82rem;
  color: var(--color-muted);
  line-height: 1.9;
  text-align: center;
}

/* ── Voice ── */
.voice.section { background: var(--color-bg-section); }
.voice-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.voice-card {
  background: #fff;
  padding: 32px;
  border-radius: var(--radius);
  border-left: 4px solid var(--color-accent-light);
  box-shadow: var(--shadow);
}
.voice-text {
  font-size: 0.88rem;
  line-height: 1.95;
  color: var(--color-text);
  margin-bottom: 1rem;
}
.voice-text::before { content: '「'; }
.voice-text::after { content: '」'; }
.voice-author {
  font-size: 0.78rem;
  color: var(--color-muted);
  text-align: right;
}

/* ── CTA Banner ── */
.cta-banner {
  background: var(--color-accent);
  padding: 80px 0;
  text-align: center;
  color: #fff;
}
.cta-banner h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 1rem;
}
.cta-banner p { font-size: 0.92rem; line-height: 1.9; opacity: 0.9; margin-bottom: 2.4rem; }

/* ── Access ── */
.access-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.access-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.access-table th, .access-table td {
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}
.access-table th {
  width: 110px;
  color: var(--color-muted);
  font-weight: 500;
}
.map-placeholder {
  background: var(--color-bg-section);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-muted);
  line-height: 1.8;
}

/* ── Contact ── */
.contact-lead {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-bottom: 2.4rem;
  line-height: 1.9;
}
.contact-form {
  max-width: 640px;
  margin: 0 auto;
}
.form-row {
  margin-bottom: 1.4rem;
}
.form-row label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}
.req {
  font-size: 0.7rem;
  background: var(--color-accent);
  color: #fff;
  padding: 2px 6px;
  border-radius: 3px;
  margin-left: 6px;
  vertical-align: middle;
}
.form-row input, .form-row select, .form-row textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: #fff;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--color-text);
  transition: border-color 0.2s, box-shadow 0.2s;
  appearance: none;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(155,110,110,0.12);
}
.form-row textarea { height: 120px; resize: vertical; }
.form-submit { text-align: center; margin-top: 2rem; }
.form-note {
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-muted);
  margin-top: 1rem;
}
.form-note a { color: var(--color-accent); text-decoration: underline; }

/* ── Footer ── */
.site-footer {
  background: var(--color-text);
  color: rgba(255,255,255,0.75);
  padding: 56px 0 32px;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
  flex-wrap: wrap;
  gap: 24px;
}
.footer-logo {
  font-family: var(--font-en);
  font-size: 1.1rem;
  color: #fff;
  letter-spacing: 0.12em;
}
.footer-logo small {
  display: block;
  font-size: 0.6rem;
  opacity: 0.6;
  margin-top: 2px;
  letter-spacing: 0.1em;
}
.footer-nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-nav a {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.65);
  transition: color 0.2s;
}
.footer-nav a:hover { color: #fff; }
.footer-sns {
  display: flex;
  gap: 16px;
}
.footer-sns img {
  width: 20px;
  height: 20px;
  filter: invert(1);
  opacity: 0.7;
  transition: opacity 0.2s;
}
.footer-sns a:hover img { opacity: 1; }
.copyright {
  text-align: center;
  font-size: 0.75rem;
  opacity: 0.45;
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
}

/* ── Reveal animation ── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .section { padding: 64px 0; }

  .nav-menu {
    display: none;
    position: fixed;
    top: 64px; left: 0; right: 0;
    background: rgba(253,250,245,0.97);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 0 24px;
    border-bottom: 1px solid var(--color-border);
    gap: 0;
    z-index: 99;
  }
  .nav-menu.open { display: flex; }
  .nav-menu a {
    display: block;
    padding: 14px 24px;
    font-size: 0.95rem;
  }
  .nav-cta {
    margin: 12px 24px 4px;
    text-align: center;
    border-radius: 8px;
  }
  .hamburger { display: flex; }

  .concept-inner { grid-template-columns: 1fr; gap: 32px; }
  .concept-img img { height: 280px; }

  .feature-grid { grid-template-columns: 1fr; gap: 20px; }
  .service-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .voice-grid { grid-template-columns: 1fr; }
  .access-inner { grid-template-columns: 1fr; }

  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-nav { gap: 16px; }
}