/* ── CSS カスタムプロパティ ─────────────────── */
:root {
  --color-text:          #2C2C2A;
  --color-text-muted:    #7A7A74;
  --color-bg:            #FAFAF7;
  --color-surface:       #EFF1EC;
  --color-surface-green: #4A5C42;
  --color-primary:       #C4A55A;
  --color-primary-dark:  #A88943;
  --color-dark:          #1E2118;
  --color-white:         #FFFFFF;
  --color-border:        #DCDCD4;
  --font-sans:  "Noto Sans JP",  "Hiragino Sans",        "Yu Gothic",  sans-serif;
  --font-serif: "Noto Serif JP", "Hiragino Mincho ProN",  "Yu Mincho", serif;
  --font-en:    "Cormorant Garamond", Georgia, serif;
}

/* ── ベース ─────────────────── */
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

main { display: block; }

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

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

/* ── レイアウト ─────────────────── */
.container {
  width: min(100% - 3rem, 70rem);
  margin-inline: auto;
}

/* ── ヘッダー ─────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 250, 247, 0.92);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(0.75rem);
}

.site-header__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.5rem;
}

.site-header__logo {
  font-family: var(--font-en);
  font-size: 1.0625rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  color: var(--color-text);
  flex-shrink: 0;
}

/* ── ハンバーガー ─────────────────── */
.site-header__menu-button {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.3125rem;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0.75rem;
  background: none;
  border: none;
  cursor: pointer;
  flex-shrink: 0;
}

.site-header__menu-button span {
  display: block;
  width: 1.25rem;
  height: 1px;
  background: var(--color-text);
  transition: transform 0.25s ease, opacity 0.25s ease;
  transform-origin: center;
}

.site-header__menu-button[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(0.375rem) rotate(45deg);
}

.site-header__menu-button[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.site-header__menu-button[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-0.375rem) rotate(-45deg);
}

@media screen and (min-width: 48rem) {
  .site-header__menu-button { display: none; }
}

/* ── ナビゲーション ─────────────────── */
.site-nav {
  display: none;
  position: absolute;
  top: calc(100% + 1px);
  left: 0;
  width: 100%;
  padding: 1.25rem 1.5rem;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.site-nav.is-open { display: block; }

.site-nav__list {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  list-style: none;
}

.site-nav__link {
  font-family: var(--font-en);
  font-size: 0.9375rem;
  letter-spacing: 0.1em;
  color: var(--color-text);
  transition: color 0.2s;
}

.site-nav__link:hover { color: var(--color-primary); }

.site-nav__item--cta { margin-top: 0.5rem; }

@media screen and (min-width: 48rem) {
  .site-nav {
    display: block;
    position: static;
    width: auto;
    padding: 0;
    background: transparent;
    border-bottom: none;
  }

  .site-nav__list {
    flex-direction: row;
    align-items: center;
    gap: 1.75rem;
  }

  .site-nav__item--cta { margin-top: 0; }
}

/* ── ボタン ─────────────────── */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 3.25rem;
  padding-inline: 1.75rem;
  border: 1px solid transparent;
  border-radius: 0.25rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}

.button--primary {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.button--primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.button--secondary {
  background: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.button--secondary:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.button--outline-light {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.5);
}

.button--outline-light:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.8);
}

/* ── セクション共通 ─────────────────── */
.section {
  padding-block: 4.5rem;
}

@media screen and (min-width: 48rem) {
  .section { padding-block: 6rem; }
}

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

.section--green {
  background: var(--color-surface-green);
  color: var(--color-white);
}

.section__header {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.section__header--center {
  text-align: center;
  justify-items: center;
}

.section__label {
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  color: var(--color-primary);
}

.section__title {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: 0.04em;
  color: var(--color-text);
}

@media screen and (min-width: 48rem) {
  .section__title { font-size: 2.125rem; }
}

.section--green .section__title { color: var(--color-white); }

.section__text {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--color-text-muted);
  max-width: 40rem;
}

.section--green .section__text { color: rgba(255, 255, 255, 0.72); }

.section__foot {
  margin-top: 2.5rem;
  display: flex;
  justify-content: center;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  border-bottom: 1px solid rgba(196, 165, 90, 0.35);
  padding-bottom: 0.1875rem;
  transition: gap 0.2s, border-color 0.2s;
}

.text-link:hover {
  gap: 0.75rem;
  border-color: var(--color-primary);
}

/* ── フッター ─────────────────── */
.site-footer__top {
  padding-block: 3rem 2rem;
  background: var(--color-dark);
  color: var(--color-white);
}

.site-footer__inner {
  display: grid;
  gap: 2rem;
}

@media screen and (min-width: 48rem) {
  .site-footer__inner {
    grid-template-columns: 1fr auto;
    align-items: start;
    gap: 3rem;
  }
}

.site-footer__logo {
  font-family: var(--font-en);
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  margin-bottom: 1rem;
}

.site-footer__address {
  font-size: 0.8125rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.55);
  font-style: normal;
}

.site-footer__address a { color: rgba(255, 255, 255, 0.55); }

.site-footer__nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  list-style: none;
}

@media screen and (min-width: 48rem) {
  .site-footer__nav-list {
    flex-direction: row;
    gap: 1.5rem;
  }
}

.site-footer__nav-link {
  font-family: var(--font-en);
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.55);
  transition: color 0.2s;
}

.site-footer__nav-link:hover { color: var(--color-primary); }

.site-footer__bottom {
  padding-block: 1rem;
  background: var(--color-dark);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.site-footer__copy {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.3);
}

/* ── アクセシビリティ ─────────────────── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  .button,
  .text-link,
  .site-header__menu-button span { transition: none; }
}

/* ════════════════════════════════════════
   HERO
════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

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

.hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    160deg,
    rgba(30, 33, 24, 0.62) 0%,
    rgba(30, 33, 24, 0.45) 60%,
    rgba(30, 33, 24, 0.55) 100%
  );
}

.hero__inner {
  position: relative;
  z-index: 2;
  padding-block: 8rem 6rem;
}

.hero__content { max-width: 36rem; }

.hero__en {
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 300;
  letter-spacing: 0.25em;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 1.25rem;
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 7vw, 4rem);
  font-weight: 300;
  line-height: 1.3;
  letter-spacing: 0.08em;
  color: var(--color-white);
  margin-bottom: 1.25rem;
}

.hero__text {
  font-size: 0.9375rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 2.5rem;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.hero__scroll-text {
  font-family: var(--font-en);
  font-size: 0.6875rem;
  letter-spacing: 0.22em;
  color: rgba(255, 255, 255, 0.5);
}

.hero__scroll-line {
  display: block;
  width: 1px;
  height: 2.5rem;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.4), transparent);
  animation: scroll-line 2s ease-in-out infinite;
}

@keyframes scroll-line {
  0%   { transform: scaleY(0); transform-origin: top; opacity: 1; }
  50%  { transform: scaleY(1); transform-origin: top; opacity: 1; }
  100% { transform: scaleY(1); transform-origin: top; opacity: 0; }
}

/* ════════════════════════════════════════
   ABOUT
════════════════════════════════════════ */
.about__inner {
  display: grid;
  gap: 2.5rem;
}

@media screen and (min-width: 48rem) {
  .about__inner {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 4.5rem;
  }
}

.about__lead {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  line-height: 1.85;
  letter-spacing: 0.04em;
  color: var(--color-text);
  margin-bottom: 1.25rem;
}

.about__text {
  font-size: 0.9375rem;
  line-height: 1.9;
  color: var(--color-text-muted);
  margin-bottom: 0.875rem;
}

.about__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.875rem;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  border-bottom: 1px solid rgba(196, 165, 90, 0.35);
  padding-bottom: 0.1875rem;
  transition: gap 0.2s, border-color 0.2s;
}

.about__link:hover {
  gap: 0.875rem;
  border-color: var(--color-primary);
}

.about__visual { order: -1; }

@media screen and (min-width: 48rem) {
  .about__visual { order: 0; }
}

.about__img {
  width: 100%;
  height: 28rem;
  object-fit: cover;
  border-radius: 0 2rem 0 2rem;
}

@media screen and (min-width: 48rem) {
  .about__img { height: 36rem; }
}

/* ════════════════════════════════════════
   SERVICE TOP
════════════════════════════════════════ */
.service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  list-style: none;
}

@media screen and (min-width: 48rem) {
  .service-grid { grid-template-columns: repeat(3, 1fr); }
}

.service-card {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 0.375rem;
  overflow: hidden;
  transition: transform 0.25s, background-color 0.25s;
}

.service-card:hover {
  transform: translateY(-0.25rem);
  background: rgba(255, 255, 255, 0.11);
}

.service-card__img-wrap {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.service-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.service-card:hover .service-card__img { transform: scale(1.04); }

.service-card__body { padding: 1.5rem; }

.service-card__num {
  font-family: var(--font-en);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  margin-bottom: 0.375rem;
}

.service-card__title {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 400;
  color: var(--color-white);
  margin-bottom: 0.625rem;
  letter-spacing: 0.04em;
}

.service-card__text {
  font-size: 0.8125rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.68);
  margin-bottom: 1rem;
}

.service-card__price {
  font-family: var(--font-en);
  font-size: 1.0625rem;
  color: var(--color-primary);
}

.service-card__price span {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.5);
  margin-left: 0.25rem;
}

/* ════════════════════════════════════════
   FLOW TOP
════════════════════════════════════════ */
.flow-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  list-style: none;
}

@media screen and (min-width: 48rem) {
  .flow-list { grid-template-columns: repeat(4, 1fr); }
}

.flow-item {
  position: relative;
  padding: 2rem 1.5rem 2rem 1.75rem;
  border-left: 1px solid var(--color-border);
}

@media screen and (min-width: 48rem) {
  .flow-item {
    border-left: none;
    border-top: 1px solid var(--color-border);
    padding: 1.75rem 1rem 0 0;
  }
}

.flow-item__num {
  font-family: var(--font-en);
  font-size: 2rem;
  font-weight: 300;
  line-height: 1;
  color: var(--color-primary);
  letter-spacing: 0.05em;
  margin-bottom: 0.875rem;
  opacity: 0.8;
}

.flow-item__title {
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: 0.5rem;
  letter-spacing: 0.04em;
}

.flow-item__text {
  font-size: 0.8125rem;
  line-height: 1.8;
  color: var(--color-text-muted);
}

/* ════════════════════════════════════════
   FEATURES
════════════════════════════════════════ */
.feature-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  list-style: none;
}

@media screen and (min-width: 48rem) {
  .feature-list { grid-template-columns: repeat(3, 1fr); }
}

.feature-item {
  display: grid;
  gap: 0.875rem;
  justify-items: center;
  text-align: center;
  padding: 2.25rem 1.5rem;
  background: var(--color-white);
  border-radius: 0.375rem;
  border: 1px solid var(--color-border);
}

.feature-item__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  background: rgba(196, 165, 90, 0.1);
  color: var(--color-primary);
}

.feature-item__title {
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  font-weight: 400;
  color: var(--color-text);
  letter-spacing: 0.04em;
}

.feature-item__text {
  font-size: 0.875rem;
  line-height: 1.85;
  color: var(--color-text-muted);
}

/* ════════════════════════════════════════
   INSTAGRAM
════════════════════════════════════════ */
.instagram__inner {
  display: flex;
  justify-content: center;
}

.instagram__head {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
  max-width: 32rem;
}

.instagram__title {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 400;
  color: var(--color-text);
  letter-spacing: 0.04em;
}

@media screen and (min-width: 48rem) {
  .instagram__title { font-size: 2.125rem; }
}

.instagram__text {
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--color-text-muted);
}

/* ════════════════════════════════════════
   ACCESS TOP
════════════════════════════════════════ */
.access__inner {
  display: grid;
  gap: 2.5rem;
}

@media screen and (min-width: 48rem) {
  .access__inner {
    grid-template-columns: 1fr 1fr;
    align-items: start;
    gap: 4rem;
  }
}

.access-info { margin-block: 1.5rem 2rem; }

.access-info__item {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 0.25rem 1rem;
  padding-block: 0.875rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.access-info__label {
  font-family: var(--font-en);
  font-size: 0.6875rem;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  font-weight: 400;
  padding-top: 0.1875rem;
  text-transform: uppercase;
}

.access-info__value {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.82);
}

.access-info__value a {
  color: rgba(255, 255, 255, 0.82);
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.3);
}

.map-placeholder {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 0.375rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
}

/* ════════════════════════════════════════
   CTA BANNER
════════════════════════════════════════ */
.cta-banner {
  padding-block: 4rem;
  background: var(--color-dark);
  color: var(--color-white);
}

@media screen and (min-width: 48rem) {
  .cta-banner { padding-block: 5.5rem; }
}

.cta-banner__inner {
  display: grid;
  gap: 2rem;
}

@media screen and (min-width: 48rem) {
  .cta-banner__inner {
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 3rem;
  }
}

.cta-banner__en {
  font-family: var(--font-en);
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.cta-banner__title {
  font-family: var(--font-serif);
  font-size: 1.625rem;
  font-weight: 400;
  line-height: 1.55;
  letter-spacing: 0.05em;
  color: var(--color-white);
}

@media screen and (min-width: 48rem) {
  .cta-banner__title { font-size: 2rem; }
}

.cta-banner__buttons {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  flex-shrink: 0;
}

/* ── ヘッダー内 CTA ボタン ─────────────────── */
.site-nav__cta {
  min-height: 2.5rem;
  padding-inline: 1.25rem;
  font-size: 0.8125rem;
}