/* ==========================================================================
   霞空喫茶もあ - style.css
   「夜の店内」を基調にした暗色ベース。クリームは品書き（メニュー・FAQ）の紙として使用。
   ========================================================================== */

:root {
  --color-night: #1A120B;
  --color-night-2: #241910;
  --color-cream: #F5F0E8;
  --color-amber: #C4872A;
  --color-ink: #2C1A0E;
  --color-cream-dim: rgba(245, 240, 232, .64);
  --color-cream-strong: rgba(245, 240, 232, .92);
  --color-ink-dim: rgba(44, 26, 14, .68);

  --font-jp: 'Noto Serif JP', serif;
  --font-en: 'Cormorant Garamond', serif;

  --header-height: 68px;
  --ease-soft: cubic-bezier(0.22, 1, 0.36, 1);
  --transition-base: 0.4s var(--ease-soft);

  --section-pad: clamp(88px, 18vw, 176px);
  --content-max: 1080px;
  --prose-max: 640px;
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-jp);
  font-weight: 400;
  background-color: var(--color-night);
  color: var(--color-cream);
  line-height: 2;
  letter-spacing: .04em;
  -webkit-font-smoothing: antialiased;
}

body.no-scroll {
  overflow: hidden;
  height: 100vh;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
  color: inherit;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-amber);
  color: var(--color-night);
  padding: 0.75em 1.25em;
  z-index: 300;
}
.skip-link:focus {
  left: 0.5rem;
  top: 0.5rem;
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 200;
  background: rgba(26, 18, 11, 0);
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);
  transition: background-color 0.5s var(--ease-soft), backdrop-filter 0.5s var(--ease-soft);
}

.site-header.is-scrolled {
  background: rgba(26, 18, 11, 0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.site-header__inner {
  height: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-header__logo {
  font-family: var(--font-jp);
  font-size: 0.98rem;
  font-weight: 500;
  color: var(--color-cream);
  letter-spacing: .12em;
}

.menu-toggle {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
}

.menu-toggle__icon {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
  transform: rotate(0deg) scale(1);
  transition: opacity 0.35s var(--ease-soft), transform 0.35s var(--ease-soft);
}

/* 閉じている間は「×」を隠しておく */
.menu-toggle__icon--close {
  opacity: 0;
  transform: rotate(-45deg) scale(0.7);
}

/* 開いている間はソーダアイコンを隠し「×」に切り替える */
.menu-toggle[aria-expanded="true"] .menu-toggle__icon--open {
  opacity: 0;
  transform: rotate(45deg) scale(0.7);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__icon--close {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

/* --------------------------------------------------------------------------
   Drawer menu
   -------------------------------------------------------------------------- */
.drawer {
  position: fixed;
  inset: 0;
  z-index: 150;
  background: var(--color-night);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-10px);
  transition: opacity 0.5s var(--ease-soft), transform 0.5s var(--ease-soft);
}

.drawer.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

/* [inert] hides from AT and removes from tab order while closed (JS toggles it) */
.drawer[inert] {
  opacity: 0;
  transform: translateY(-10px);
}

.drawer__inner {
  text-align: center;
}

.drawer__list {
  display: flex;
  flex-direction: column;
  gap: 1.9rem;
}

.drawer__link {
  font-family: var(--font-jp);
  font-weight: 300;
  font-size: 1.4rem;
  color: var(--color-cream);
  letter-spacing: .1em;
  position: relative;
  padding-bottom: 0.3em;
}

.drawer__link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--color-amber);
  transition: width var(--transition-base), left var(--transition-base);
}

.drawer__link:hover::after,
.drawer__link:focus-visible::after {
  width: 100%;
  left: 0;
}

/* --------------------------------------------------------------------------
   Section layout helpers
   -------------------------------------------------------------------------- */
.section {
  padding: var(--section-pad) 1.5rem;
  position: relative;
}

.section--night {
  background-color: var(--color-night);
  color: var(--color-cream);
}

.section--night-2 {
  background-color: var(--color-night-2);
  color: var(--color-cream);
}

.section--cream {
  background-color: var(--color-cream);
  color: var(--color-ink);
}

.section__inner {
  max-width: var(--content-max);
  margin: 0 auto;
  position: relative;
}

/* English number + label, e.g. "01 — About" */
.section__label {
  font-family: var(--font-en);
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: .22em;
  font-size: 13px;
  color: var(--color-amber);
  text-align: center;
  margin-bottom: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .6em;
}

.section__label-dash {
  opacity: .6;
}

/* Small decorative vertical label, used sparingly (About / Menu) */
.section__vertical-label {
  display: none;
}

@media (min-width: 1024px) {
  .section__vertical-label {
    display: block;
    position: absolute;
    top: -1.5rem;
    right: -2.25rem;
    writing-mode: vertical-rl;
    font-family: var(--font-en);
    font-style: italic;
    letter-spacing: .3em;
    font-size: 13px;
    text-transform: uppercase;
    color: var(--color-amber);
    opacity: .75;
  }

  .section__vertical-label--ink {
    color: var(--color-ink);
    opacity: .45;
  }
}

.section__heading {
  font-family: var(--font-jp);
  font-size: clamp(26px, 5.5vw, 40px);
  font-weight: 400;
  letter-spacing: .05em;
  line-height: 1.7;
  margin-bottom: 2.2rem;
  text-align: center;
}

.section__heading--on-dark {
  color: var(--color-cream);
}

.section__body {
  max-width: var(--prose-max);
  margin: 0 auto;
  font-size: clamp(15px, 1.6vw, 16px);
  line-height: 2;
  letter-spacing: .04em;
  font-weight: 300;
}

.section__body--on-dark {
  color: var(--color-cream-strong);
}

/* fade-in-on-scroll (JS driven) */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.9s var(--ease-soft), transform 0.9s var(--ease-soft);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .hero__copy,
  .hero__scrollcue {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  height: 100svh;
  min-height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-color: var(--color-night);
}

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

.hero__video,
.hero__poster {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__poster {
  z-index: 1;
  opacity: 1;
  transition: opacity 0.6s var(--ease-soft);
}

.hero__video {
  z-index: 2;
  opacity: 0;
  transition: opacity 0.6s var(--ease-soft);
}

.hero__video.is-ready {
  opacity: 1;
}

.hero__slideshow {
  position: absolute;
  inset: 0;
  z-index: 2;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.6s var(--ease-soft), visibility 0.6s var(--ease-soft);
}

.hero__slideshow.is-active {
  opacity: 1;
  visibility: visible;
}

.hero__slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1);
  transition: opacity 1.5s ease;
  animation: none;
}

.hero__slide.is-active {
  opacity: 1;
}

.hero__slideshow.is-animating .hero__slide.is-active {
  animation: heroKenBurns 6.5s var(--ease-soft) forwards;
}

@keyframes heroKenBurns {
  from { transform: scale(1); }
  to { transform: scale(1.06); }
}

@media (prefers-reduced-motion: reduce) {
  .hero__slide {
    transition: opacity 0.4s ease;
    animation: none !important;
    transform: none !important;
  }
}

.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 3;
  background: linear-gradient(180deg, rgba(26, 18, 11, 0.35) 0%, rgba(26, 18, 11, 0.32) 40%, rgba(26, 18, 11, 0.88) 100%);
}

.hero__content {
  position: relative;
  z-index: 4;
  text-align: center;
  padding: 0 1.5rem;
  max-width: 820px;
}

.hero__copy {
  color: var(--color-cream);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.9s var(--ease-soft), transform 0.9s var(--ease-soft);
}

.hero__copy.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.hero__copy--main {
  font-size: clamp(1.5rem, 4.4vw, 2.3rem);
  font-weight: 400;
  line-height: 1.75;
  letter-spacing: .06em;
  margin-bottom: 1.6rem;
  transition-delay: 0.1s;
}

/* 文節ごとの改行制御: 内部では折り返さず、文節と文節の間でのみ改行を許可する */
.phrase {
  display: inline-block;
  white-space: nowrap;
}

.hero__copy--sub {
  font-family: var(--font-en);
  font-style: italic;
  font-size: clamp(1rem, 2.4vw, 1.2rem);
  color: var(--color-amber);
  letter-spacing: .12em;
  transition-delay: 0.5s;
}

.hero__scrollcue {
  margin: 3.5rem auto 0;
  width: 1px;
  height: 46px;
  opacity: 0;
  transform: translateY(0);
  transition: opacity 0.9s var(--ease-soft);
  transition-delay: 0.9s;
  position: relative;
  overflow: hidden;
  background: rgba(245, 240, 232, 0.22);
}

.hero__scrollcue.is-visible {
  opacity: 1;
}

.hero__scrollcue span {
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-amber);
  animation: scrollcue 2.4s ease-in-out infinite;
}

@keyframes scrollcue {
  0% { top: -100%; }
  60% { top: 100%; }
  100% { top: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .hero__scrollcue span { animation: none; top: 0; }
}

/* --------------------------------------------------------------------------
   About
   -------------------------------------------------------------------------- */
.about__inner {
  display: grid;
  gap: 3rem;
}

.about__image {
  position: relative;
}

.about__image img {
  width: 100%;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  background-color: var(--color-night-2);
}

/* --------------------------------------------------------------------------
   Shisha
   -------------------------------------------------------------------------- */
.shisha__images {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.shisha__images img {
  width: 100%;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  background-color: var(--color-night);
}

/* --------------------------------------------------------------------------
   Atmosphere / Gallery
   -------------------------------------------------------------------------- */
.gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem;
  margin-top: 3rem;
}

.gallery img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  background-color: var(--color-night-2);
  transition: transform 0.6s var(--ease-soft), filter 0.6s var(--ease-soft);
}

.gallery img:hover,
.gallery img:focus-visible {
  transform: scale(1.03);
  filter: brightness(1.08);
}

/* --------------------------------------------------------------------------
   Menu
   -------------------------------------------------------------------------- */
.menu__inner {
  display: grid;
  gap: 3rem;
}

.menu__list {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  margin-bottom: 1.75rem;
}

.menu__item {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid rgba(44, 26, 14, 0.12);
}

.menu__item-name {
  font-size: 1rem;
  white-space: nowrap;
}

/* 品書きのリーダー（点線）: 品名と価格の間を可変幅のドットで埋める */
.menu__item-leader {
  flex: 1 1 auto;
  min-width: 1em;
  border-bottom: 1px dotted rgba(44, 26, 14, 0.45);
  margin-bottom: 0.35em;
}

.menu__item-price {
  font-family: var(--font-en);
  font-size: 1.2rem;
  color: var(--color-amber);
  white-space: nowrap;
}

.menu__item--note .menu__item-name {
  color: var(--color-amber);
  font-style: italic;
  font-family: var(--font-en);
  letter-spacing: .04em;
}

.menu__subheading {
  font-family: var(--font-en);
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: 0.85rem;
  color: var(--color-amber);
  margin: 1.75rem 0 0.9rem;
}

.menu__detail {
  font-size: 0.9rem;
  color: var(--color-ink-dim);
  line-height: 1.9;
}

.menu__image {
  position: relative;
}

.menu__image img {
  width: 100%;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  background-color: var(--color-night);
}

/* --------------------------------------------------------------------------
   Instagram
   -------------------------------------------------------------------------- */
.instagram {
  text-align: center;
}

.instagram__link {
  display: inline-block;
  margin: 0 auto 2.75rem;
  padding: 0.85em 2.4em;
  border: 1px solid rgba(196, 135, 42, 0.55);
  color: var(--color-cream);
  font-family: var(--font-en);
  font-style: italic;
  letter-spacing: .1em;
  position: relative;
  transition: border-color var(--transition-base), color var(--transition-base);
}

.instagram__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 0;
  height: 1px;
  background: var(--color-amber);
  transition: width var(--transition-base);
}

.instagram__link:hover,
.instagram__link:focus-visible {
  color: var(--color-amber);
  border-color: var(--color-amber);
}

.instagram__link:hover::after,
.instagram__link:focus-visible::after {
  width: 100%;
}

.instagram__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  max-width: 900px;
  margin: 0 auto;
}

.instagram__tile {
  position: relative;
  display: block;
}

.instagram__tile img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  background-color: var(--color-night-2);
  transition: transform 0.6s var(--ease-soft), filter 0.6s var(--ease-soft);
}

.instagram__tile:hover img,
.instagram__tile:focus-visible img {
  transform: scale(1.03);
  filter: brightness(1.08);
}

.instagram__reel-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(26, 18, 11, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* --------------------------------------------------------------------------
   FAQ
   -------------------------------------------------------------------------- */
.faq__list {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: var(--prose-max);
  margin: 0 auto;
}

.faq__item {
  border-bottom: 1px solid rgba(44, 26, 14, 0.16);
}

.faq__question {
  font-weight: normal;
}

.faq__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 0.25rem;
  text-align: left;
  font-size: 1rem;
  font-family: var(--font-jp);
  font-weight: 400;
}

.faq__icon {
  position: relative;
  flex-shrink: 0;
  width: 18px;
  height: 18px;
}

.faq__icon::before,
.faq__icon::after {
  content: "";
  position: absolute;
  background-color: var(--color-amber);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.faq__icon::before {
  width: 100%;
  height: 1px;
}

.faq__icon::after {
  width: 1px;
  height: 100%;
}

.faq__trigger[aria-expanded="true"] .faq__icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base) var(--ease-soft);
}

.faq__answer p {
  padding: 0 0.25rem 1.4rem;
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--color-ink-dim);
}

/* --------------------------------------------------------------------------
   Access
   -------------------------------------------------------------------------- */
.access__map {
  position: relative;
  width: 100%;
  height: 320px;
  background-color: var(--color-night-2);
  margin-bottom: 2.75rem;
  filter: grayscale(0.4) contrast(1.05);
}

.access__map iframe {
  width: 100%;
  height: 100%;
}

@media (min-width: 768px) {
  .access__map {
    height: 420px;
  }
}

.access__info {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  max-width: var(--prose-max);
  margin: 0 auto;
}

.access__row {
  display: grid;
  grid-template-columns: 6em 1fr;
  gap: 1rem;
  border-bottom: 1px solid rgba(245, 240, 232, 0.14);
  padding-bottom: 1.1rem;
}

.access__row dt {
  font-family: var(--font-en);
  font-style: italic;
  color: var(--color-amber);
  font-size: 0.85rem;
  letter-spacing: .06em;
}

.access__row dd {
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--color-cream-strong);
}

.access__row a {
  color: var(--color-cream);
  text-decoration: underline;
  text-decoration-color: rgba(196, 135, 42, 0.5);
  text-underline-offset: 0.25em;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-night);
  color: var(--color-cream-dim);
  text-align: center;
  padding: 3.5rem 1.5rem 2.25rem;
}

.site-footer__name {
  font-family: var(--font-jp);
  font-size: 1.05rem;
  letter-spacing: .1em;
  color: var(--color-cream);
  margin-bottom: 0.9rem;
}

.site-footer__address,
.site-footer__tel {
  font-size: 0.85rem;
  letter-spacing: .03em;
  margin-bottom: 0.4rem;
}

.site-footer__tel a {
  border-bottom: 1px solid rgba(196, 135, 42, 0.4);
}

.site-footer__copy {
  font-family: var(--font-en);
  font-size: 0.78rem;
  color: rgba(245, 240, 232, 0.45);
  letter-spacing: .05em;
  margin-top: 1.5rem;
}

/* ==========================================================================
   Breakpoints (tablet / PC)
   ========================================================================== */
@media (min-width: 768px) {
  .about__inner {
    grid-template-columns: 1.05fr 1.3fr;
    align-items: center;
    gap: 4.5rem;
  }

  .about__text {
    order: 1;
  }

  .about__image {
    order: 2;
  }

  .about__image img {
    aspect-ratio: 3 / 4;
  }

  .menu__inner {
    grid-template-columns: 1.2fr 1fr;
    align-items: center;
    gap: 4.5rem;
  }

  .menu__image img {
    aspect-ratio: 3 / 4;
  }

  .gallery {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.9rem;
  }

  .shisha__images {
    grid-template-columns: repeat(2, minmax(0, 300px));
    justify-content: center;
    gap: 1.5rem;
  }

  .drawer__link {
    font-size: 1.7rem;
  }

  .section__label {
    font-size: 13px;
  }
}

@media (min-width: 1024px) {
  .site-header__logo {
    font-size: 1.15rem;
  }

  .about__image {
    margin-right: -2.5rem;
  }

  .about__image img {
    aspect-ratio: 3 / 4;
  }

  .menu__image img {
    aspect-ratio: 3 / 4;
  }
}