/* ==========================================================================
   CIEL THE AESTHETIC / Esthetic Salon LP Sample
   ========================================================================== */

:root {
  --color-bg: #faf7f2;
  --color-bg-alt: #f2ede4;
  --color-ink: #33302b;
  --color-ink-soft: #74695c;
  --color-line: rgba(51, 48, 43, 0.12);
  --color-accent: #a68763;
  --color-accent-deep: #7d6647;
  --font-en: 'Cormorant Garamond', serif;
  --font-jp-serif: 'Zen Old Mincho', serif;
  --font-sans: 'Noto Sans JP', sans-serif;
  --header-h: 88px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 2;
  font-weight: 300;
  overflow-x: hidden;
}

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

.eyebrow {
  font-family: var(--font-en);
  font-size: 0.95rem;
  letter-spacing: 0.25em;
  color: var(--color-accent);
  font-weight: 500;
  margin-bottom: 18px;
}
.eyebrow--center { text-align: center; }

.section-title {
  font-family: var(--font-jp-serif);
  font-weight: 600;
  font-size: clamp(1.6rem, 3.4vw, 2.3rem);
  line-height: 1.7;
  letter-spacing: 0.06em;
  color: var(--color-ink);
}
.section-title--center { text-align: center; }

[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 1s ease, transform 1s ease;
}
[data-reveal].in-view { opacity: 1; transform: translateY(0); }

/* ---------- header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 6vw;
  z-index: 500;
  background: rgba(250, 247, 242, 0.0);
  transition: background 0.4s ease, box-shadow 0.4s ease, height 0.3s ease;
}
.site-header.scrolled {
  background: rgba(250, 247, 242, 0.94);
  backdrop-filter: blur(8px);
  box-shadow: 0 2px 16px rgba(51,48,43,0.06);
  height: 72px;
}

.site-logo {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.logo-en {
  font-family: var(--font-en);
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--color-ink);
}
.logo-jp {
  font-size: 0.6rem;
  letter-spacing: 0.32em;
  color: var(--color-accent-deep);
}

.global-nav {
  display: flex;
  align-items: center;
  gap: 42px;
}
.nav-link {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--color-ink);
  position: relative;
  padding: 4px 0;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0; bottom: -3px;
  width: 0; height: 1px;
  background: var(--color-accent);
  transition: width 0.35s ease;
}
.nav-link:hover::after { width: 100%; }
.nav-link--cta {
  border: 1px solid var(--color-ink);
  padding: 10px 22px;
  border-radius: 999px;
  letter-spacing: 0.1em;
}
.nav-link--cta::after { display: none; }
.nav-link--cta:hover {
  background: var(--color-ink);
  color: var(--color-bg);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 600;
}
.menu-toggle span {
  display: block;
  width: 100%;
  height: 1px;
  background: var(--color-ink);
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- hero ---------- */
.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  min-height: 100vh;
  align-items: stretch;
}
.hero-media {
  position: relative;
  min-height: 480px;
  overflow: hidden;
}
.hero-media img { position: absolute; inset: 0; }
.hero-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 14vh 6vw;
  background: var(--color-bg);
}
.hero-title {
  font-family: var(--font-en);
  font-weight: 500;
  font-size: clamp(2.2rem, 4.4vw, 3.4rem);
  line-height: 1.35;
  color: var(--color-ink);
  margin-top: 4px;
}
.hero-lead {
  margin-top: 30px;
  font-size: 0.95rem;
  color: var(--color-ink-soft);
  line-height: 2.1;
}
.btn-outline {
  display: inline-block;
  margin-top: 42px;
  padding: 16px 40px;
  border: 1px solid var(--color-ink);
  border-radius: 999px;
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  width: fit-content;
  transition: background 0.35s ease, color 0.35s ease;
}
.btn-outline:hover {
  background: var(--color-ink);
  color: var(--color-bg);
}

/* ---------- concept ---------- */
.concept {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: 0;
}
.concept-inner {
  padding: 10vh 7vw;
}
.concept-lead {
  margin-top: 30px;
  font-size: 0.92rem;
  color: var(--color-ink-soft);
  max-width: 44ch;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.concept .section-title { text-align: center; }
.concept-media {
  min-height: 460px;
  overflow: hidden;
}

/* ---------- menu ---------- */
.menu-section {
  padding: 14vh 6vw;
  text-align: center;
  background: var(--color-bg-alt);
}
.menu-lead {
  max-width: 52ch;
  margin: 24px auto 0;
  color: var(--color-ink-soft);
  font-size: 0.92rem;
}
.menu-grid {
  margin-top: 64px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 34px;
  max-width: 1360px;
  margin-left: auto;
  margin-right: auto;
}
.menu-card {
  background: var(--color-bg);
  text-align: left;
  transition: transform 0.5s ease;
}
.menu-card-img {
  aspect-ratio: 4/5;
  overflow: hidden;
}
.menu-card-img img { transition: transform 0.8s ease; }
.menu-card:hover .menu-card-img img { transform: scale(1.06); }
.menu-card-body { padding: 26px 22px 30px; }
.menu-card-body h3 {
  font-family: var(--font-jp-serif);
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.6;
  margin-bottom: 14px;
}
.menu-desc {
  font-size: 0.82rem;
  color: var(--color-ink-soft);
  line-height: 1.9;
  min-height: 3.8em;
}
.menu-meta {
  margin-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-top: 1px solid var(--color-line);
  padding-top: 16px;
  font-size: 0.8rem;
  color: var(--color-ink-soft);
}
.menu-price {
  font-family: var(--font-en);
  font-size: 1.3rem;
  color: var(--color-accent-deep);
}
.menu-note {
  margin-top: 40px;
  font-size: 0.75rem;
  color: var(--color-ink-soft);
  opacity: 0.75;
}

/* ---------- booking ---------- */
.booking-section {
  padding: 14vh 6vw;
  text-align: center;
}
.booking-wrap {
  max-width: 640px;
  margin: 56px auto 0;
  text-align: left;
}
.booking-step { margin-bottom: 34px; }
.booking-step > label {
  display: block;
  font-size: 0.85rem;
  margin-bottom: 14px;
  color: var(--color-ink);
}
#bookingTreatment {
  width: 100%;
  padding: 15px 18px;
  border: 1px solid var(--color-line);
  border-radius: 2px;
  background: var(--color-bg);
  font-family: var(--font-sans);
  font-size: 0.92rem;
  color: var(--color-ink);
}

.booking-calendar {
  border: 1px solid var(--color-line);
  padding: 22px;
}
.calendar-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-en);
  font-size: 1.1rem;
  color: var(--color-accent-deep);
  margin-bottom: 18px;
}
.calendar-nav {
  background: none;
  border: 1px solid var(--color-line);
  border-radius: 50%;
  width: 34px;
  height: 34px;
  cursor: pointer;
  color: var(--color-ink);
  font-size: 0.9rem;
  transition: background 0.25s ease;
}
.calendar-nav:hover { background: var(--color-bg-alt); }
.calendar-nav:disabled { opacity: 0.3; cursor: not-allowed; }

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  text-align: center;
}
.calendar-dow {
  font-size: 0.72rem;
  color: var(--color-ink-soft);
  padding-bottom: 6px;
}
.calendar-day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  border-radius: 50%;
  background: none;
  border: 1px solid transparent;
  color: var(--color-ink);
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease;
}
.calendar-day:hover:not(:disabled) { border-color: var(--color-accent); }
.calendar-day:disabled {
  color: var(--color-line);
  cursor: not-allowed;
}
.calendar-day.is-selected {
  background: var(--color-ink);
  color: var(--color-bg);
}
.calendar-day.is-empty { visibility: hidden; }

.slot-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.slot-btn {
  padding: 10px 16px;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  background: var(--color-bg);
  font-size: 0.85rem;
  color: var(--color-ink);
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease;
}
.slot-btn:hover { border-color: var(--color-accent); }
.slot-btn.is-selected {
  background: var(--color-ink);
  color: var(--color-bg);
  border-color: var(--color-ink);
}
.slot-empty {
  font-size: 0.85rem;
  color: var(--color-ink-soft);
}

.booking-summary {
  font-size: 0.85rem;
  color: var(--color-accent-deep);
  margin-bottom: 22px;
  line-height: 1.9;
}

/* ---------- salon / gallery ---------- */
.salon {
  padding: 14vh 6vw;
  text-align: center;
}
.salon-gallery {
  margin-top: 60px;
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 20px;
  max-width: 1360px;
  margin-left: auto;
  margin-right: auto;
  height: 560px;
}
.salon-img { overflow: hidden; }
.salon-img--tall { grid-row: 1 / 3; }
.salon-img:not(.salon-img--tall):nth-of-type(2) { grid-column: 2; grid-row: 1 / 3; }

.salon-info {
  margin-top: 70px;
  display: flex;
  justify-content: center;
}
.info-dl {
  display: grid;
  grid-template-columns: 130px 1fr;
  row-gap: 20px;
  column-gap: 24px;
  text-align: left;
  max-width: 560px;
}
.info-dl dt {
  font-family: var(--font-en);
  font-weight: 600;
  color: var(--color-accent-deep);
  font-size: 0.95rem;
  letter-spacing: 0.05em;
}
.info-dl dd {
  font-size: 0.88rem;
  color: var(--color-ink-soft);
}

/* ---------- access ---------- */
.access {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--color-bg-alt);
}
.access-map { min-height: 480px; }
.map-placeholder {
  height: 100%;
  background: linear-gradient(135deg, #ece4d5, #dcd0ba);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: var(--color-ink-soft);
  text-align: center;
}
.map-placeholder span {
  font-family: var(--font-en);
  font-size: 1.6rem;
  letter-spacing: 0.3em;
  color: var(--color-accent-deep);
}
.map-placeholder p { font-size: 0.85rem; line-height: 1.8; }
.access-detail {
  padding: 10vh 6vw;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.access-detail .info-dl { margin-top: 30px; }

/* ---------- contact ---------- */
.contact-section {
  padding: 14vh 6vw;
  text-align: center;
}
.contact-form {
  max-width: 640px;
  margin: 56px auto 0;
  text-align: left;
}
.form-row { margin-bottom: 26px; }
.form-row label {
  display: block;
  font-size: 0.85rem;
  margin-bottom: 10px;
  color: var(--color-ink);
}
.req {
  font-size: 0.65rem;
  background: var(--color-accent-deep);
  color: #fff;
  padding: 2px 8px;
  border-radius: 3px;
  margin-left: 6px;
  vertical-align: middle;
  letter-spacing: 0.05em;
}
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 15px 18px;
  border: 1px solid var(--color-line);
  border-radius: 2px;
  background: var(--color-bg);
  font-family: var(--font-sans);
  font-size: 0.92rem;
  color: var(--color-ink);
  transition: border-color 0.3s ease;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}
.form-row textarea { resize: vertical; }

.submit-btn {
  display: block;
  width: 100%;
  padding: 18px;
  background: var(--color-ink);
  color: var(--color-bg);
  border: none;
  border-radius: 999px;
  font-family: var(--font-en);
  font-size: 1.05rem;
  letter-spacing: 0.16em;
  cursor: pointer;
  transition: background 0.3s ease, transform 0.2s ease;
}
.submit-btn:hover { background: var(--color-accent-deep); }
.submit-btn:active { transform: scale(0.98); }

.form-note {
  margin-top: 18px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-accent-deep);
  min-height: 1.4em;
}

/* ---------- footer ---------- */
.site-footer {
  background: var(--color-ink);
  color: var(--color-bg);
  text-align: center;
  padding: 60px 6vw 40px;
}
.footer-logo {
  font-family: var(--font-en);
  font-size: 1.4rem;
  letter-spacing: 0.14em;
}
.footer-logo span {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  color: rgba(250,247,242,0.6);
  margin-top: 8px;
}
.footer-copy { margin-top: 22px; font-size: 0.75rem; opacity: 0.55; }
.footer-demo {
  margin-top: 16px;
  font-size: 0.7rem;
  opacity: 0.4;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- back to top ---------- */
.back-to-top {
  position: fixed;
  right: 26px;
  bottom: 26px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--color-ink);
  color: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  z-index: 400;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.back-to-top.show { opacity: 1; pointer-events: auto; transform: translateY(0); }
/* 送信ボタン付近ではタップ領域の重なりを避けるため一時的に非表示にする */
.back-to-top.is-near-submit { opacity: 0; pointer-events: none; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1080px) {
  .menu-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; }
  .hero-media { min-height: 52vh; order: -1; }
  .hero-text { padding: 8vh 7vw; }
  .concept { grid-template-columns: 1fr; }
  .concept-media { min-height: 46vh; order: -1; }
  .concept-inner { padding: 8vh 7vw; }
  .access { grid-template-columns: 1fr; }
  .access-map { min-height: 42vh; }
  .salon-gallery { grid-template-columns: 1fr 1fr; grid-template-rows: auto; height: auto; }
  .salon-img--tall { grid-row: auto; grid-column: span 2; aspect-ratio: 16/10; }
  .salon-img:not(.salon-img--tall):nth-of-type(2) { grid-column: auto; grid-row: auto; aspect-ratio: 4/5; }
  .salon-img:not(.salon-img--tall) { aspect-ratio: 4/5; }
}

@media (max-width: 720px) {
  :root { --header-h: 76px; }

  .global-nav {
    position: fixed;
    top: 0; right: 0;
    height: 100vh;
    width: 80vw;
    max-width: 340px;
    background: var(--color-bg);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 32px;
    padding: 0 42px;
    transform: translateX(100%);
    transition: transform 0.4s ease;
    box-shadow: -10px 0 30px rgba(0,0,0,0.06);
  }
  .global-nav.open { transform: translateX(0); }
  .nav-link { font-size: 1.05rem; }
  .menu-toggle { display: flex; }

  .menu-grid { grid-template-columns: 1fr; gap: 40px; }

  .salon-gallery { grid-template-columns: 1fr; }
  .salon-img--tall { grid-column: auto; aspect-ratio: 4/3; }

  .info-dl { grid-template-columns: 92px 1fr; }

  .back-to-top { right: 16px; bottom: 16px; width: 42px; height: 42px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}