:root {
  --bg: #faf8f4;
  --bg-soft: #f1ebe0;
  --ink: #1c1a17;
  --ink-soft: #6b6459;
  --accent: #a8583a;
  --accent-dark: #874631;
  --line: #e6ded0;
  --shadow: 0 8px 28px rgba(28, 26, 23, 0.08);
  --max: 1160px;
  --serif: "Iowan Old Style", "Palatino Linotype", Georgia, "Hiragino Mincho ProN", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 32px;
}

.narrow { max-width: 720px; }
.center { text-align: center; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(250, 248, 244, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.wordmark {
  font-family: var(--serif);
  font-size: 20px;
  letter-spacing: 0.06em;
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}

.logo-crop {
  height: 54px;
  overflow: hidden;
  display: flex;
  align-items: flex-start;
  flex-shrink: 0;
}

.logo-crop img {
  height: 67px;
  width: auto;
  display: block;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 14px;
}

.header-nav a {
  color: var(--ink-soft);
  text-decoration: none;
}

.header-nav a:hover,
.header-nav a.is-active { color: var(--ink); }

.nav-cta {
  border: 1px solid var(--ink);
  border-radius: 999px;
  padding: 8px 18px !important;
  color: var(--ink) !important;
}

.nav-cta:hover { background: var(--ink); color: var(--bg) !important; }

.lang-toggle {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 6px 12px;
  border-radius: 999px;
  cursor: pointer;
  font-family: var(--sans);
  white-space: nowrap;
  flex-shrink: 0;
}

.lang-toggle:hover { border-color: var(--ink); }

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--ink);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  display: none;
  flex-direction: column;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  padding: 4px 32px 16px;
}

.mobile-nav a {
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  text-decoration: none;
  font-size: 15px;
}

.mobile-nav a:last-child { border-bottom: none; }
.mobile-nav.is-open { display: flex; }

@media (max-width: 900px) {
  .menu-toggle { display: flex; }
}

/* Hero (home) */
.hero {
  position: relative;
  min-height: 84vh;
  display: flex;
  align-items: flex-end;
  background-size: cover;
  background-position: center;
  color: #fff;
  padding-bottom: 88px;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(20,18,16,0.18) 0%, rgba(20,18,16,0.5) 60%, rgba(20,18,16,0.72) 100%);
}

.hero-content { position: relative; max-width: 760px; }
:root[data-lang="ja"] .hero-content { max-width: 900px; }

.eyebrow {
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.9;
  margin: 0 0 18px;
  font-weight: 600;
}

.hero h1 {
  font-family: var(--serif);
  font-size: clamp(36px, 5.2vw, 62px);
  line-height: 1.15;
  margin: 0 0 22px;
  text-wrap: balance;
}

.hero-sub {
  font-size: 18px;
  max-width: 46ch;
  opacity: 0.95;
  margin: 0 0 36px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions .btn { text-align: center; white-space: nowrap; }

/* Page hero (sub-pages) */
.page-hero {
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--line);
}

.page-hero .eyebrow { color: var(--accent); opacity: 1; }

.page-hero h1 {
  font-family: var(--serif);
  font-size: clamp(32px, 4.4vw, 48px);
  line-height: 1.2;
  margin: 0 0 18px;
  color: var(--ink);
  max-width: 20ch;
  text-wrap: balance;
}

:root[data-lang="ja"] .page-hero h1 { max-width: 46ch; }

.page-hero p {
  font-size: 17px;
  color: var(--ink-soft);
  max-width: 62ch;
  margin: 0;
}

/* Sections */
.section { padding: 88px 0; }
.section.alt { background: var(--bg-soft); }
.section.tight { padding: 56px 0; }

.section-label {
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
  margin: 0 0 14px;
}

.section h2 {
  font-family: var(--serif);
  font-size: clamp(26px, 3.2vw, 36px);
  line-height: 1.35;
  margin: 0 0 20px;
  max-width: 22ch;
  text-wrap: balance;
}

:root[data-lang="ja"] .section h2 { max-width: 46ch; }

.section-intro {
  color: var(--ink-soft);
  max-width: 64ch;
  margin: 0 0 40px;
  font-size: 16px;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 999px;
  border: none;
  text-decoration: none;
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
  font-family: var(--sans);
  cursor: pointer;
  transition: opacity 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }

.btn-ghost {
  background: rgba(255,255,255,0.1);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.55);
}
.btn-ghost:hover { background: rgba(255,255,255,0.2); }

.btn-outline {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--ink);
}
.btn-outline:hover { background: var(--ink); color: var(--bg); }

/* Category overview grid (home) */
.cat-overview {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.cat-overview-card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 30px 24px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.cat-overview-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }

.cat-overview-icon { font-size: 26px; margin-bottom: 16px; display: block; }

.cat-overview-card h3 {
  font-family: var(--serif);
  font-size: 19px;
  margin: 0 0 8px;
  min-height: 2.4em;
}

.cat-overview-card p {
  color: var(--ink-soft);
  font-size: 14px;
  margin: 0 0 14px;
}

.cat-overview-card .cat-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
}

/* Statement */
.statement { padding: 80px 0; }

.statement-text {
  font-family: var(--serif);
  font-size: clamp(22px, 2.8vw, 32px);
  line-height: 1.6;
  text-align: center;
  margin: 0;
  color: var(--ink);
  text-wrap: balance;
}

/* Trust strip */
.trust-strip { padding: 44px 0; }

.trust-row {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--ink-soft);
  font-weight: 600;
}

.trust-icon { font-size: 18px; }

/* Loop / how it works */
.loop-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 8px;
}

.loop-step h3 { font-family: var(--serif); font-size: 19px; margin: 10px 0 8px; }
.loop-step p { color: var(--ink-soft); font-size: 14.5px; margin: 0; }
.loop-index { font-family: var(--serif); font-size: 26px; color: #ded5c4; font-weight: 600; }

/* Experience item cards (category pages) */
.item-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.item-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.item-card-body {
  padding: 26px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.item-card-media {
  height: 180px;
  background-size: cover;
  background-position: center;
  background-color: var(--bg-soft);
}

.item-icon { font-size: 24px; margin-bottom: 14px; }

.item-card h3 {
  font-family: var(--serif);
  font-size: 18px;
  margin: 0 0 8px;
}

.item-card p {
  color: var(--ink-soft);
  font-size: 14px;
  margin: 0 0 16px;
  flex: 1;
}

.item-badge {
  align-self: flex-start;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-dark);
  background: #f3e6de;
  padding: 5px 12px;
  border-radius: 999px;
}

.item-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
}

.item-price {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  white-space: nowrap;
}

.btn-sm {
  padding: 9px 18px;
  font-size: 13px;
  white-space: nowrap;
}

.card-note {
  margin-top: 30px;
  font-size: 13.5px;
  color: var(--ink-soft);
}

/* Banner photo section */
.banner-section {
  position: relative;
  background-size: cover;
  background-position: center;
  padding: 130px 0;
}

.banner-overlay { position: absolute; inset: 0; background: rgba(22, 24, 20, 0.5); }
.banner-content { position: relative; }

/* Two-column feature (become a host, space rental) */
.feature-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.feature-col h3 {
  font-family: var(--serif);
  font-size: 20px;
  margin: 0 0 14px;
}

.feature-col ul { margin: 0; padding-left: 20px; color: var(--ink-soft); font-size: 15px; }
.feature-col li { margin-bottom: 8px; }

/* FAQ */
.faq-item {
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
}

.faq-item summary {
  font-family: var(--serif);
  font-size: 17px;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

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

.faq-item summary::after {
  content: "+";
  font-size: 20px;
  color: var(--accent);
  flex-shrink: 0;
}

.faq-item[open] summary::after { content: "\2212"; }

.faq-item p {
  color: var(--ink-soft);
  margin: 14px 0 0;
  font-size: 15px;
  max-width: 68ch;
}

/* Contact form */
.contact-form {
  display: grid;
  gap: 18px;
  max-width: 560px;
}

.form-field { display: flex; flex-direction: column; gap: 6px; }

.form-field label {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
}

.form-field input,
.form-field select,
.form-field textarea {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  font-family: var(--sans);
  font-size: 14.5px;
  color: var(--ink);
  background: #fff;
}

.form-field textarea { resize: vertical; min-height: 120px; }

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.contact-note {
  font-size: 13px;
  margin-top: 16px;
  color: #98917f;
}

.contact-flow {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0;
  font-size: 13.5px;
  color: var(--ink-soft);
}

.contact-flow span {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 16px;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 60px 0 30px;
  font-size: 14px;
  color: var(--ink-soft);
  background: var(--bg-soft);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 44px;
}

.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-word { font-size: 18px; }

.footer-col strong {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink);
  margin-bottom: 4px;
}

.footer-col a { color: var(--ink-soft); text-decoration: none; }
.footer-col a:hover { color: var(--accent); }

.footer-note { font-size: 12.5px; }

.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 22px;
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

@media (max-width: 900px) {
  .header-nav { gap: 16px; font-size: 13px; }
  .header-nav a:not(.nav-cta):not(.lang-toggle) { display: none; }
  .menu-toggle { margin-left: 2px; }
  .cat-overview { grid-template-columns: repeat(2, 1fr); }
  .loop-grid { grid-template-columns: repeat(2, 1fr); }
  .item-grid { grid-template-columns: 1fr; }
  .feature-cols { grid-template-columns: 1fr; gap: 36px; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 60px 0; }
  .banner-section { padding: 80px 0; }
}

@media (max-width: 560px) {
  .cat-overview { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { white-space: normal; }
  .header-nav .nav-cta { display: none; }
  .header-nav { gap: 10px; }
  .wordmark { font-size: 17px; }
}