/* ============================================================
   20BASE - Cafe & Bar
   カスタマイズガイド:
   - カラーは :root のCSS変数で一括変更可能
   - フォントも :root で変更可能
   - 各セクションはコメントで区切っています
   ============================================================ */

/* ---------- CSS Variables (ここで色・フォントを一括管理) ---------- */
:root {
  /* Primary Colors */
  --color-bg:        #0a0a0a;
  --color-bg-light:  #111111;
  --color-bg-card:   #161616;
  --color-surface:   #1a1a1a;

  /* Accent */
  --color-accent:    #c9a96e;
  --color-accent-light: #dfc28a;
  --color-accent-dark:  #a8863e;

  /* Text */
  --color-text:       #f5f2ed;
  --color-text-muted: #b0aaa3;
  --color-text-dim:   #807a73;

  /* Border */
  --color-border:    #2a2520;

  /* Fonts */
  --font-display: 'Playfair Display', 'Cormorant Garamond', serif;
  --font-body:    'Noto Sans JP', sans-serif;

  /* Spacing */
  --section-padding: 120px;
  --container-width: 1200px;

  /* Transitions */
  --transition: 0.3s ease;
  --transition-slow: 0.6s ease;
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.8;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 40px;
}

.section {
  padding: var(--section-padding) 0;
}

/* ---------- Fade-in Animation ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Section Header ---------- */
.section__header {
  text-align: center;
  margin-bottom: 60px;
}

.section__label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.section__title {
  font-family: var(--font-body);
  font-size: 1.8rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--color-text);
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition);
}

.nav.scrolled {
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(20px);
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
}

.nav__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.nav__logo-number {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-accent);
}

.nav__logo-text {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--color-text);
}

.nav__menu {
  display: flex;
  list-style: none;
  gap: 40px;
}

.nav__menu a {
  font-size: 0.82rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  position: relative;
}

.nav__menu a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: var(--transition);
}

.nav__menu a:hover {
  color: var(--color-accent);
}

.nav__menu a:hover::after {
  width: 100%;
}

.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 28px;
  height: 20px;
  position: relative;
}

.nav__toggle span {
  display: block;
  width: 100%;
  height: 1px;
  background: var(--color-text);
  position: absolute;
  left: 0;
  transition: var(--transition);
}

.nav__toggle span:nth-child(1) { top: 0; }
.nav__toggle span:nth-child(2) { top: 50%; }
.nav__toggle span:nth-child(3) { bottom: 0; }

.nav__toggle.active span:nth-child(1) {
  top: 50%;
  transform: rotate(45deg);
}

.nav__toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav__toggle.active span:nth-child(3) {
  bottom: 50%;
  transform: rotate(-45deg);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--color-bg);
}

.hero__slideshow {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1.05);
  transition: opacity 1.5s ease, transform 6s ease;
}

.hero__slide.active {
  opacity: 1;
  transform: scale(1);
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10,10,10,0.5) 0%, rgba(10,10,10,0.3) 30%, rgba(10,10,10,0.3) 70%, rgba(10,10,10,0.85) 100%);
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
}

.hero__subtitle {
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 20px;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(4rem, 10vw, 8rem);
  font-weight: 400;
  letter-spacing: 0.05em;
  line-height: 1;
  margin-bottom: 24px;
  color: var(--color-text);
}

.hero__title-number {
  font-weight: 700;
  color: var(--color-accent);
}

.hero__tagline {
  font-size: 1rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
  margin-bottom: 48px;
}

.hero__cta {
  display: inline-block;
  padding: 14px 48px;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  transition: var(--transition);
}

.hero__cta:hover {
  background: var(--color-accent);
  color: var(--color-bg);
}

.hero__scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.hero__scroll span {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-dim);
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: var(--color-accent);
  animation: scrollLine 2s ease infinite;
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about__image-photo {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  border: 1px solid var(--color-border);
}

.about__heading {
  font-family: var(--font-body);
  font-size: 1.5rem;
  font-weight: 400;
  line-height: 2;
  margin-bottom: 24px;
  color: var(--color-text);
}

.about__description {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin-bottom: 16px;
  line-height: 2;
}

.about__info {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
}

.about__info-item {
  display: flex;
  gap: 24px;
}

.about__info-label {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  min-width: 80px;
}

.about__info-value {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* ============================================================
   MENU
   ============================================================ */
.menu {
  background: var(--color-bg-light);
}

.menu__lead {
  text-align: center;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: 48px;
}

.menu__plans {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.menu__plan {
  padding: 48px 40px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  text-align: center;
  transition: var(--transition);
}

.menu__plan:hover {
  border-color: var(--color-accent-dark);
}

.menu__plan-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  padding: 4px 16px;
  margin-bottom: 24px;
}

.menu__plan-title {
  font-family: var(--font-body);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: 24px;
}

.menu__plan-price {
  margin-bottom: 32px;
}

.menu__plan-amount {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 600;
  color: var(--color-accent);
}

.menu__plan-unit {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-left: 4px;
}

.menu__plan-features {
  list-style: none;
  text-align: left;
  margin-bottom: 24px;
}

.menu__plan-features li {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
  line-height: 1.7;
}

.menu__plan-features li:last-child {
  border-bottom: none;
}

.menu__plan-note {
  font-size: 0.78rem;
  color: var(--color-text-dim);
  line-height: 1.8;
}

/* ============================================================
   GALLERY
   ============================================================ */
.gallery__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 250px;
  gap: 4px;
}

.gallery__item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.gallery__item--tall {
  grid-row: span 2;
}

.gallery__item--wide {
  grid-column: span 2;
}

.gallery__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery__item:hover .gallery__img {
  transform: scale(1.05);
}

.gallery__caption {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: #fff;
  background: rgba(10, 10, 10, 0.4);
  opacity: 0;
  transition: opacity var(--transition);
}

.gallery__item:hover .gallery__caption {
  opacity: 1;
}

/* ============================================================
   RENTAL SPACE
   ============================================================ */
.rental {
  background: var(--color-bg-light);
}

.rental__intro {
  text-align: center;
  margin-bottom: 60px;
}

.rental__lead {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 2.2;
}

.rental__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 60px;
}

.rental__card {
  padding: 40px 32px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  text-align: center;
  transition: var(--transition);
}

.rental__card:hover {
  border-color: var(--color-accent-dark);
}

.rental__card-icon {
  color: var(--color-accent);
  margin-bottom: 24px;
}

.rental__card-title {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: 16px;
}

.rental__card-desc {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.9;
}

.rental__details {
  padding: 48px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
}

.rental__detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 32px;
}

.rental__detail-item {
  display: flex;
  gap: 20px;
  align-items: baseline;
}

.rental__detail-label {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  min-width: 100px;
  flex-shrink: 0;
}

.rental__detail-value {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.rental__note {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 2;
  margin-bottom: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.rental__cta {
  text-align: center;
}

.rental__btn {
  display: inline-block;
  padding: 14px 48px;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  font-size: 0.82rem;
  letter-spacing: 0.15em;
  transition: var(--transition);
}

.rental__btn:hover {
  background: var(--color-accent);
  color: var(--color-bg);
}

/* ============================================================
   ACCESS
   ============================================================ */
.access {
  background: var(--color-bg-light);
}

.access__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.access__map {
  min-height: 400px;
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.access__map iframe {
  display: block;
  min-height: 400px;
}

.access__details {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 32px;
}

.access__detail-label {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 8px;
  font-weight: 400;
}

.access__detail-value {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

.access__detail-value a {
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}

.access__detail-value a:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact__content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.contact__text {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 2;
  margin-bottom: 40px;
}

.contact__actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.contact__btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  transition: var(--transition);
  cursor: pointer;
}

.contact__btn--primary {
  background: var(--color-accent);
  color: var(--color-bg);
}

.contact__btn--primary:hover {
  background: var(--color-accent-light);
}

.contact__btn--secondary {
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

.contact__btn--secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding: 60px 0;
  border-top: 1px solid var(--color-border);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.footer__logo {
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.footer__logo-number {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-accent);
}

.footer__logo-text {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--color-text);
}

.footer__links {
  display: flex;
  gap: 32px;
}

.footer__links a {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-dim);
}

.footer__links a:hover {
  color: var(--color-accent);
}

.footer__copy {
  font-size: 0.7rem;
  color: var(--color-text-dim);
  letter-spacing: 0.1em;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 968px) {
  :root {
    --section-padding: 80px;
  }

  .container {
    padding: 0 24px;
  }

  .nav__toggle {
    display: block;
  }

  .nav__menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--color-bg);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 32px;
    transition: var(--transition);
    border-left: 1px solid var(--color-border);
  }

  .nav__menu.open {
    right: 0;
  }

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

  .about__image-photo {
    aspect-ratio: 16/9;
  }

  .menu__plans {
    grid-template-columns: 1fr;
  }

  .gallery__grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 200px;
  }

  .gallery__item--wide {
    grid-column: span 1;
  }

  .rental__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .rental__details {
    padding: 32px 24px;
  }

  .rental__detail-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 600px) {
  :root {
    --section-padding: 60px;
  }

  .hero__title {
    font-size: 3.5rem;
  }

  .section__title {
    font-size: 1.4rem;
  }

  .gallery__grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 200px;
  }

  .gallery__item--tall {
    grid-row: span 1;
  }

  .contact__actions {
    flex-direction: column;
    align-items: center;
  }
}