/* ==========================================================================
   郷縁 -kyo-en- / LP Stylesheet
   ========================================================================== */

:root {
  --color-bg: #121110;
  --color-bg-alt: #171512;
  --color-text: #f4efe6;
  --color-text-muted: #a79f92;
  --color-accent: #f2c14e;
  --color-border: rgba(244, 239, 230, 0.14);

  --font-serif: 'Shippori Mincho', serif;
  --font-sans: 'Noto Sans JP', sans-serif;

  --container-width: 1120px;
  --section-padding: clamp(72px, 12vw, 160px);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ol, ul {
  list-style: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

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

/* ---------- Line breaking ---------- */
.phrase {
  display: inline-block;
}

.section__title,
.hero__copy,
.cta-band__text,
.story__quote {
  text-wrap: balance;
}

.lead-text,
.story__paragraph,
.flow__desc,
.area__note,
.plan-card__name {
  text-wrap: pretty;
}

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 1s ease, transform 1s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  padding: 20px 24px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(18, 16, 14, 0.75) 0%, rgba(18, 16, 14, 0) 100%);
}

.site-header__logo {
  display: inline-block;
  pointer-events: auto;
}

.site-header__logo img {
  display: block;
  height: 38px;
  width: auto;
}

/* ---------- Language switch ---------- */
.lang-switch {
  display: flex;
  pointer-events: auto;
  padding: 4px;
  border: 1px solid rgba(244, 239, 230, 0.4);
  border-radius: 999px;
  background: rgba(18, 16, 14, 0.6);
  backdrop-filter: blur(6px);
}

html:not(.is-en) [data-lang="en"],
html.is-en [data-lang="ja"] {
  display: none !important;
}

.lang-switch button {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: 1;
  color: var(--color-text);
  padding: 9px 16px;
  border-radius: 999px;
  transition: color 0.3s ease, background 0.3s ease;
}

.lang-switch button:hover {
  color: var(--color-accent);
}

html:not(.is-en) .lang-switch [data-set-lang="ja"],
html.is-en .lang-switch [data-set-lang="en"] {
  background: var(--color-accent);
  color: #12100e;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 40px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.05em;
  border-radius: 999px;
  transition: transform 0.3s ease, opacity 0.3s ease, background 0.3s ease;
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-accent);
  color: #12100e;
}

.btn--primary:hover {
  transform: translateY(-2px);
  opacity: 0.92;
}

.btn--outline {
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

.btn--outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn--block {
  width: 100%;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  height: 100svh;
  min-height: 560px;
  width: 100%;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}

.hero__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(18, 16, 14, 0.55) 0%, rgba(18, 16, 14, 0.15) 30%, rgba(18, 16, 14, 0.35) 60%, rgba(18, 16, 14, 0.92) 100%);
}

.hero__content {
  position: relative;
  width: 100%;
  padding: 0 24px clamp(64px, 12vh, 120px);
  text-align: center;
}

.hero__eyebrow {
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--color-text-muted);
  margin-bottom: 18px;
}

.hero__brand {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(28px, 6vw, 50px);
  letter-spacing: 0.1em;
  line-height: 1;
}

.hero__brand-sub {
  display: block;
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: clamp(13px, 2vw, 16px);
  letter-spacing: 0.3em;
  color: var(--color-text-muted);
  margin-top: 14px;
}

.hero__copy {
  margin-top: clamp(24px, 5vw, 40px);
  font-family: var(--font-serif);
  font-size: clamp(18px, 3vw, 26px);
  letter-spacing: 0.05em;
}

.hero__scroll {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
}

.hero__scroll span {
  width: 1px;
  height: 32px;
  background: linear-gradient(180deg, var(--color-accent), transparent);
  animation: scrollLine 1.8s ease-in-out 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; }
}

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--color-bg-alt);
  padding: 40px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.cta-band__text {
  font-family: var(--font-serif);
  font-size: clamp(15px, 2.4vw, 19px);
  color: var(--color-text-muted);
}

/* ---------- Sections (generic) ---------- */
.section {
  padding: var(--section-padding) 0;
}

.section__label {
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--color-accent);
  margin-bottom: 20px;
}

.section__title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(24px, 4vw, 34px);
  letter-spacing: 0.04em;
  line-height: 1.5;
  margin-bottom: 32px;
}

.lead-text {
  font-family: var(--font-serif);
  font-size: clamp(17px, 2.6vw, 22px);
  line-height: 2;
  max-width: 640px;
}

.lead-text + .lead-text {
  margin-top: 28px;
}

.lead-text--muted {
  font-family: var(--font-sans);
  font-size: clamp(14px, 1.8vw, 16px);
  color: var(--color-text-muted);
  line-height: 1.9;
}

/* ---------- Concept ---------- */
.section--concept {
  text-align: center;
}

.section--concept .section__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ---------- Story ---------- */
.section--story {
  background: var(--color-bg-alt);
}

.story__grid {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}

.story__image img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: center 25%;
}

.story__paragraph {
  font-size: 15px;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.story__quote {
  margin-top: 32px;
  font-family: var(--font-serif);
  font-size: clamp(18px, 2.6vw, 22px);
  color: var(--color-accent);
  letter-spacing: 0.04em;
}

/* ---------- Members ---------- */
.members__grid {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  max-width: 420px;
}

.members__note {
  margin-bottom: 32px;
}

.member-card {
  text-align: center;
}

.member-card__image {
  overflow: hidden;
  border-radius: 4px;
  margin-bottom: 16px;
}

.member-card__image img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.member-card__role {
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--color-accent);
  margin-bottom: 6px;
}

.member-card__name {
  font-family: var(--font-serif);
  font-size: 15px;
  letter-spacing: 0.08em;
}

/* ---------- Gallery ---------- */
.gallery__grid {
  margin-top: 8px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-auto-flow: dense;
  gap: 10px;
}

.gallery__item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3 / 4;
  cursor: zoom-in;
}

.gallery__item--wide {
  grid-column: span 2;
  aspect-ratio: 3 / 2;
}

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

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

/* ---------- Area ---------- */
.section--area {
  text-align: center;
  background: var(--color-bg-alt);
}

.section--area .section__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.area__intro {
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
  margin-bottom: 32px;
}

.area__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  row-gap: 12px;
}

.area__list li {
  font-family: var(--font-serif);
  font-size: clamp(16px, 2.4vw, 20px);
  letter-spacing: 0.06em;
  padding: 0 20px;
}

.area__list li + li {
  border-left: 1px solid var(--color-border);
}

.area__note {
  margin-top: 32px;
  font-size: 13px;
  color: var(--color-text-muted);
}

/* ---------- Plan ---------- */
.main-plan {
  border: 1px solid var(--color-accent);
  border-radius: 4px;
  padding: 40px 32px;
  margin-bottom: 40px;
}

.main-plan__name {
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.main-plan__price {
  font-family: var(--font-serif);
  font-size: clamp(30px, 5vw, 40px);
  color: var(--color-accent);
  margin-bottom: 20px;
}

.main-plan__price span {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--color-text-muted);
  margin-left: 8px;
}

.main-plan__items {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 14px;
  color: var(--color-text-muted);
}

.plan__note {
  margin-bottom: 40px;
}

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

.plan-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 28px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-bg-alt);
}

.plan-card__name {
  font-size: 15px;
}

.plan-card__price {
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--color-accent);
  white-space: nowrap;
  margin-left: 16px;
}

/* ---------- Flow ---------- */
.section--flow {
  background: var(--color-bg-alt);
}

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

.flow__item {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--color-border);
}

.flow__item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.flow__number {
  font-family: var(--font-serif);
  font-size: 28px;
  color: var(--color-accent);
  line-height: 1;
  min-width: 44px;
}

.flow__title {
  font-family: var(--font-serif);
  font-size: 18px;
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}

.flow__desc {
  font-size: 14px;
  color: var(--color-text-muted);
}

/* ---------- Flow with DM example (EN) ---------- */
.flow__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 56px;
}

.dm-demo {
  width: 100%;
  max-width: 320px;
  margin: 0 auto;
}

.dm-demo__screen {
  border: 1px solid var(--color-border);
  border-radius: 28px;
  background: var(--color-bg);
  overflow: hidden;
}

.dm-demo__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--color-border);
}

.dm-demo__avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  flex-shrink: 0;
}

.dm-demo__avatar img {
  height: 20px;
  width: auto;
}

.dm-demo__name,
.dm-demo__sub {
  display: block;
  line-height: 1.4;
}

.dm-demo__name {
  font-size: 13px;
  font-weight: 500;
}

.dm-demo__sub {
  font-size: 11px;
  color: var(--color-text-muted);
}

.dm-demo__body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 16px;
}

.dm-demo__msg {
  max-width: 84%;
  padding: 10px 14px;
  border-radius: 18px;
  font-size: 13px;
  line-height: 1.6;
}

.dm-demo__msg--me {
  align-self: flex-end;
  background: var(--color-accent);
  color: #12100e;
  border-bottom-right-radius: 4px;
}

.dm-demo__msg--staff {
  align-self: flex-start;
  background: rgba(244, 239, 230, 0.1);
  border-bottom-left-radius: 4px;
}

.dm-demo__input {
  margin: 0 16px 16px;
  padding: 9px 16px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 12px;
  color: var(--color-text-muted);
}

.dm-demo__caption {
  margin-top: 14px;
  text-align: center;
  font-size: 11px;
  color: var(--color-text-muted);
}

.dm-demo__cta {
  margin-top: 20px;
}

/* ---------- CTA final ---------- */
.section--cta-final {
  text-align: center;
}

.section--cta-final .section__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.cta-final__buttons {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  width: 100%;
  max-width: 320px;
}

/* ---------- Footer ---------- */
.site-footer {
  padding: 64px 24px 120px;
  text-align: center;
  border-top: 1px solid var(--color-border);
}

.site-footer__brand {
  font-family: var(--font-serif);
  font-size: 18px;
  letter-spacing: 0.06em;
}

.site-footer__brand span {
  font-family: var(--font-sans);
  font-size: 11px;
  color: var(--color-text-muted);
  margin-left: 6px;
}

.site-footer__insta {
  display: inline-block;
  margin-top: 20px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 2px;
}

.site-footer__insta:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.site-footer__company,
.site-footer__copyright {
  margin-top: 20px;
  font-size: 11px;
  color: var(--color-text-muted);
}

.site-footer__copyright {
  margin-top: 8px;
  opacity: 0.6;
}

/* ---------- Sticky mobile CTA ---------- */
.sticky-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 40;
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  background: rgba(18, 16, 14, 0.92);
  backdrop-filter: blur(6px);
  border-top: 1px solid var(--color-border);
  display: block;
}

.sticky-cta .btn {
  padding: 14px 24px;
}

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(10, 9, 8, 0.96);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease;
}

.lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.lightbox__image {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
}

.lightbox__close {
  position: absolute;
  top: 20px;
  right: 24px;
  font-size: 32px;
  line-height: 1;
  color: var(--color-text);
}

/* ==========================================================================
   Breakpoints
   ========================================================================== */

@media (min-width: 600px) {
  .plan__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .cta-final__buttons {
    flex-direction: row;
    justify-content: center;
    max-width: none;
  }
}

@media (min-width: 768px) {
  :root {
    --section-padding: clamp(96px, 10vw, 160px);
  }

  .story__grid {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 72px;
  }

  .members__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: none;
  }

  .gallery__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
  }

  .flow__list {
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }

  .flow__item {
    flex-direction: column;
    gap: 16px;
    border-bottom: none;
    padding-bottom: 0;
  }

  .flow__layout {
    grid-template-columns: 320px 1fr;
    gap: 72px;
    align-items: center;
  }

  .section--flow-demo .flow__list {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .section--flow-demo .flow__item {
    flex-direction: row;
    gap: 24px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--color-border);
  }

  .section--flow-demo .flow__item:last-child {
    padding-bottom: 0;
    border-bottom: none;
  }

  .sticky-cta {
    display: none;
  }

  body {
    padding-bottom: 0;
  }
}

@media (min-width: 1024px) {
  .plan__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 767px) {
  body {
    padding-bottom: 76px;
  }
}