/* atelier halle - Stylesheet */

:root {
  --bg: #faf7f2;
  --bg-soft: #f3eee4;
  --bg-dark: #1a1a1a;
  --text: #2a2a2a;
  --text-muted: #6b6258;
  --text-light: #faf7f2;
  --accent: #d9b04a;
  --accent-warm: #c97a8a;
  --border: #e0d8c6;
  --border-soft: #ebe5d6;
  --shadow: 0 4px 24px rgba(60, 50, 30, 0.08);
  --shadow-lg: 0 12px 48px rgba(60, 50, 30, 0.12);
  --max-width: 1200px;
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Serif JP', 'Hiragino Mincho ProN', 'Yu Mincho', serif;
  font-weight: 400;
  background: var(--bg);
  color: var(--text);
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  opacity: 0.7;
}

h1, h2, h3, h4 {
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.02em;
}

.serif-en {
  font-family: 'Marcellus', 'Cormorant Garamond', serif;
  font-weight: 400;
  letter-spacing: 0.05em;
}

/* === Layout === */

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

.container-narrow {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 80px 0;
}

@media (max-width: 768px) {
  section { padding: 56px 0; }
}

/* === Header === */

.site-header {
  position: sticky;
  top: 0;
  background: rgba(250, 247, 242, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-soft);
  z-index: 100;
}

.nav-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 40px;
  height: 40px;
}

.brand-name {
  font-family: 'Marcellus', serif;
  font-size: 1.25rem;
  letter-spacing: 0.08em;
}

.brand-name small {
  display: block;
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.15em;
  margin-top: 2px;
  font-family: 'Noto Serif JP', serif;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
  align-items: center;
}

.nav-links a {
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  position: relative;
  padding-bottom: 2px;
}

.nav-links a:hover {
  opacity: 1;
  color: var(--accent-warm);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  background: var(--text);
  color: var(--text-light);
  padding: 10px 20px;
  border-radius: 24px;
  font-size: 0.85rem !important;
}

.nav-cta:hover {
  background: var(--accent-warm);
  color: var(--text-light);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.4rem;
  padding: 8px;
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    flex-direction: column;
    gap: 0;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-soft);
  }
  .nav-links.open {
    display: flex;
  }
  .nav-links li {
    width: 100%;
    border-bottom: 1px solid var(--border-soft);
  }
  .nav-links li:last-child { border: none; }
  .nav-links a {
    display: block;
    padding: 14px 0;
  }
  .nav-cta {
    display: inline-block !important;
    margin-top: 8px;
  }
  .menu-toggle { display: block; }
}

/* === Hero === */

.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-dark);
  overflow: hidden;
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
}

.hero-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--text-light);
  padding: 80px 24px;
  max-width: 800px;
}

.hero-headline {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  margin-bottom: 24px;
  letter-spacing: 0.05em;
  line-height: 1.5;
}

.hero-headline .nb {
  display: inline-block;
}

.hero-sub {
  font-size: clamp(0.95rem, 1.4vw, 1.05rem);
  letter-spacing: 0.1em;
  color: rgba(250, 247, 242, 0.85);
  line-height: 2;
}

.hero-cta {
  display: inline-block;
  margin-top: 40px;
  padding: 14px 36px;
  background: var(--text-light);
  color: var(--text);
  border-radius: 32px;
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  transition: var(--transition);
}

.hero-cta:hover {
  background: var(--accent);
  opacity: 1;
}

/* === Sections === */

.section-title {
  font-family: 'Marcellus', serif;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  letter-spacing: 0.1em;
  text-align: center;
  margin-bottom: 8px;
}

.section-subtitle {
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: 56px;
}

.section-intro {
  max-width: 640px;
  margin: 0 auto 48px;
  text-align: center;
  color: var(--text-muted);
}

/* === Top Page Quick Nav === */

.quick-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 0 auto;
  max-width: 1000px;
}

.quick-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 40px 24px;
  text-align: center;
  transition: var(--transition);
}

.quick-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--accent);
}

.quick-card h3 {
  font-family: 'Marcellus', serif;
  font-size: 1.4rem;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.quick-card .ja {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.15em;
  margin-bottom: 16px;
}

.quick-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

@media (max-width: 768px) {
  .quick-nav { grid-template-columns: 1fr; }
}

/* === Gallery Grid === */

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  background: var(--bg-soft);
  aspect-ratio: 4 / 5;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

.gallery-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 16px;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  color: var(--text-light);
  font-size: 0.85rem;
}

.gallery-caption .title {
  font-weight: 500;
  margin-bottom: 2px;
}

.gallery-caption .meta {
  font-size: 0.75rem;
  opacity: 0.8;
  letter-spacing: 0.05em;
}

.gallery-category {
  margin-bottom: 56px;
}

.gallery-category h3 {
  font-family: 'Marcellus', serif;
  font-size: 1.5rem;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
  text-align: center;
}

.gallery-category .subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.15em;
  text-align: center;
  margin-bottom: 32px;
}

/* === About Page === */

.about-hero {
  position: relative;
  height: 60vh;
  background: var(--bg-dark);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.7;
}

.about-hero h1 {
  position: relative;
  color: var(--text-light);
  font-family: 'Marcellus', serif;
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: 0.15em;
  text-align: center;
}

.about-hero h1 small {
  display: block;
  font-family: 'Noto Serif JP', serif;
  font-size: 0.9rem;
  letter-spacing: 0.3em;
  margin-top: 12px;
  color: rgba(250, 247, 242, 0.85);
}

.about-section {
  margin-bottom: 64px;
}

.about-section h2 {
  font-size: 1.5rem;
  margin-bottom: 24px;
  padding-left: 16px;
  border-left: 3px solid var(--accent);
}

.about-section p {
  margin-bottom: 16px;
  line-height: 2;
}

.about-feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin: 56px 0;
}

.about-feature.reverse { direction: rtl; }
.about-feature.reverse > * { direction: ltr; }

.about-feature img {
  border-radius: 4px;
  box-shadow: var(--shadow);
}

@media (max-width: 768px) {
  .about-feature { grid-template-columns: 1fr; gap: 24px; }
  .about-feature.reverse { direction: ltr; }
}

.profile-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 32px;
}

.profile-table th,
.profile-table td {
  padding: 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
}

.profile-table th {
  width: 30%;
  font-weight: 500;
  color: var(--text-muted);
}

/* === Order Page === */

.price-table {
  width: 100%;
  border-collapse: collapse;
  margin: 32px 0;
  background: white;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.price-table th,
.price-table td {
  padding: 14px 16px;
  text-align: center;
  border-bottom: 1px solid var(--border-soft);
  font-size: 0.92rem;
}

.price-table thead {
  background: var(--bg-dark);
  color: var(--text-light);
}

.price-table thead th {
  font-weight: 500;
  letter-spacing: 0.08em;
}

.price-table .standard {
  background: rgba(217, 176, 74, 0.08);
  font-weight: 500;
}

.price-table tbody tr:hover {
  background: var(--bg-soft);
}

.price-table .size-name {
  text-align: left;
  font-weight: 500;
}

.price-table .size-meta {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 2px;
  font-weight: 400;
}

@media (max-width: 768px) {
  .price-table { font-size: 0.82rem; }
  .price-table th, .price-table td { padding: 10px 8px; }
}

/* === Flow steps === */

.flow-list {
  list-style: none;
  counter-reset: flow-counter;
  margin: 32px 0;
}

.flow-list li {
  counter-increment: flow-counter;
  position: relative;
  padding: 20px 20px 20px 64px;
  margin-bottom: 12px;
  background: white;
  border-radius: 4px;
  border-left: 3px solid var(--accent);
}

.flow-list li::before {
  content: counter(flow-counter);
  position: absolute;
  left: 20px;
  top: 20px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-dark);
  color: var(--text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Marcellus', serif;
  font-size: 0.95rem;
}

.flow-list .title {
  font-weight: 500;
  margin-bottom: 4px;
}

.flow-list .desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.flow-list .timing {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--accent-warm);
  margin-left: 12px;
  letter-spacing: 0.1em;
}

/* === FAQ === */

.faq details {
  background: white;
  border-radius: 4px;
  margin-bottom: 8px;
  border: 1px solid var(--border-soft);
}

.faq summary {
  padding: 18px 24px;
  cursor: pointer;
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  list-style: none;
  padding-right: 48px;
}

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

.faq summary::after {
  content: "+";
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem;
  color: var(--accent);
  transition: transform 0.2s;
  font-weight: 300;
}

.faq details[open] summary::after {
  content: "−";
}

.faq .answer {
  padding: 0 24px 20px 24px;
  color: var(--text-muted);
  line-height: 1.9;
  font-size: 0.92rem;
}

.faq-group {
  margin-bottom: 48px;
}

.faq-group h3 {
  font-size: 1.1rem;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
  letter-spacing: 0.05em;
}

/* === Notice / callouts === */

.notice {
  background: var(--bg-soft);
  border-left: 3px solid var(--accent-warm);
  padding: 20px 24px;
  margin: 24px 0;
  border-radius: 0 4px 4px 0;
  font-size: 0.92rem;
  line-height: 1.9;
}

.notice strong { color: var(--accent-warm); }

/* === CTA box === */

.cta-box {
  background: var(--bg-dark);
  color: var(--text-light);
  padding: 64px 32px;
  text-align: center;
  border-radius: 8px;
  margin: 56px 0;
}

.cta-box h2 {
  font-family: 'Marcellus', serif;
  font-size: 2rem;
  letter-spacing: 0.15em;
  margin-bottom: 12px;
}

.cta-box p {
  color: rgba(250, 247, 242, 0.8);
  margin-bottom: 32px;
  font-size: 0.95rem;
}

.cta-button {
  display: inline-block;
  padding: 18px 48px;
  background: var(--accent);
  color: var(--text);
  border-radius: 32px;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  transition: var(--transition);
}

.cta-button:hover {
  background: var(--text-light);
  opacity: 1;
  transform: translateY(-2px);
}

.cta-meta {
  display: block;
  font-size: 0.78rem;
  margin-top: 16px;
  color: rgba(250, 247, 242, 0.6);
  letter-spacing: 0.1em;
}

/* === Footer === */

.site-footer {
  background: var(--bg-dark);
  color: var(--text-light);
  padding: 56px 0 32px;
  margin-top: 80px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.footer-brand .brand-name {
  color: var(--text-light);
  font-size: 1.5rem;
}

.footer-brand .brand-name small { color: rgba(250, 247, 242, 0.6); }

.footer-brand p {
  margin-top: 16px;
  color: rgba(250, 247, 242, 0.7);
  font-size: 0.88rem;
  line-height: 1.9;
}

.footer-col h4 {
  font-family: 'Marcellus', serif;
  font-size: 0.95rem;
  letter-spacing: 0.15em;
  margin-bottom: 16px;
  color: rgba(250, 247, 242, 0.9);
}

.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: rgba(250, 247, 242, 0.7); font-size: 0.88rem; }
.footer-col a:hover { color: var(--accent); opacity: 1; }

.footer-bottom {
  border-top: 1px solid rgba(250, 247, 242, 0.1);
  margin-top: 40px;
  padding-top: 24px;
  text-align: center;
  font-size: 0.78rem;
  color: rgba(250, 247, 242, 0.5);
  letter-spacing: 0.1em;
}

@media (max-width: 768px) {
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
}

/* === Process feature (about) === */

.story-quote {
  font-family: 'Marcellus', serif;
  font-size: 1.4rem;
  text-align: center;
  padding: 40px 24px;
  margin: 48px 0;
  background: var(--bg-dark);
  color: var(--text-light);
  border-radius: 4px;
  letter-spacing: 0.05em;
  line-height: 1.6;
}

.story-quote small {
  display: block;
  margin-top: 16px;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: rgba(250, 247, 242, 0.7);
  font-family: 'Noto Serif JP', serif;
}

/* === Helpers === */

.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.mb-32 { margin-bottom: 32px; }
.mb-48 { margin-bottom: 48px; }
.mt-32 { margin-top: 32px; }

.divider {
  width: 60px;
  height: 1px;
  background: var(--accent);
  margin: 24px auto;
  border: none;
}

/* Order: 出張費・送料・納期の3カラム（スマホでは1カラムに） */
.info-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 768px) {
  .info-grid-3 { grid-template-columns: 1fr; }
}
