/* ======================================
   RESET & BASE
====================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-black: #0d0d0d;
  --color-white: #fafafa;
  --color-gray-100: #f5f5f5;
  --color-gray-200: #e8e8e8;
  --color-gray-400: #999;
  --color-gray-600: #555;
  --color-gray-800: #222;
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Noto Sans JP', sans-serif;
  --transition: 0.35s ease;
  --section-pad: clamp(64px, 10vw, 120px);
  --container-max: 1140px;
  --container-pad: clamp(20px, 5vw, 60px);
}

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

body {
  font-family: var(--font-sans);
  font-weight: 300;
  color: var(--color-gray-800);
  background-color: var(--color-white);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
  opacity: 0.7;
}

ul, ol {
  list-style: none;
}

/* ======================================
   UTILITY
====================================== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

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

.section--gray {
  background-color: var(--color-gray-100);
}

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

/* ======================================
   SECTION HEADER
====================================== */
.section-header {
  text-align: center;
  margin-bottom: clamp(40px, 6vw, 72px);
}

.section-label {
  font-family: var(--font-serif);
  font-size: clamp(11px, 1.2vw, 13px);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-gray-400);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 400;
  letter-spacing: 0.05em;
  line-height: 1.2;
  color: var(--color-black);
}

/* ======================================
   FADE IN (scroll animation)
====================================== */
.fade-in {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ======================================
   HEADER
====================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 clamp(20px, 4vw, 60px);
  height: 72px;
  display: flex;
  align-items: center;
  background-color: transparent;
  transition: background-color var(--transition), box-shadow var(--transition);
}

.header.is-scrolled {
  background-color: rgba(250, 250, 250, 0.95);
  backdrop-filter: blur(8px);
  box-shadow: 0 1px 0 var(--color-gray-200);
}

.header__inner {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--color-white);
  transition: color var(--transition), opacity var(--transition);
}

.header.is-scrolled .header__logo {
  color: var(--color-black);
}

.header__nav ul {
  display: flex;
  align-items: center;
  gap: clamp(20px, 3vw, 40px);
}

.header__nav a {
  font-family: var(--font-serif);
  font-size: 14px;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.9);
  transition: color var(--transition), opacity var(--transition);
}

.header.is-scrolled .header__nav a {
  color: var(--color-gray-600);
}

.header__nav a:hover {
  opacity: 0.6;
}

.header__cta {
  border: 1px solid rgba(255,255,255,0.7) !important;
  padding: 8px 20px;
  color: var(--color-white) !important;
  transition: background-color var(--transition), color var(--transition), border-color var(--transition) !important;
}

.header.is-scrolled .header__cta {
  border-color: var(--color-black) !important;
  color: var(--color-black) !important;
}

.header__cta:hover {
  background-color: var(--color-black) !important;
  color: var(--color-white) !important;
  opacity: 1 !important;
}

.header.is-scrolled .header__cta:hover {
  background-color: var(--color-black) !important;
  color: var(--color-white) !important;
}

/* hamburger */
.header__menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.header__menu-btn span {
  display: block;
  width: 24px;
  height: 1.5px;
  background-color: var(--color-white);
  transition: background-color var(--transition), transform var(--transition), opacity var(--transition);
}

.header.is-scrolled .header__menu-btn span {
  background-color: var(--color-black);
}

.header__menu-btn.is-open span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.header__menu-btn.is-open span:nth-child(2) {
  opacity: 0;
}
.header__menu-btn.is-open span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* ======================================
   FV
====================================== */
.fv {
  position: relative;
  height: 100svh;
  min-height: 600px;
  overflow: hidden;
}

.fv__bg {
  position: absolute;
  inset: 0;
}

.fv__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.05);
  animation: fvZoom 8s ease forwards;
}

@keyframes fvZoom {
  to { transform: scale(1); }
}

.fv__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,0.25) 0%,
    rgba(0,0,0,0.55) 100%
  );
}

.fv__content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 0 clamp(24px, 8vw, 120px);
  padding-top: 72px;
}

.fv__sub {
  font-family: var(--font-serif);
  font-size: clamp(11px, 1.2vw, 13px);
  letter-spacing: 0.3em;
  color: rgba(255,255,255,0.7);
  margin-bottom: 16px;
  animation: fadeUp 1s 0.3s both;
}

.fv__title {
  font-family: var(--font-serif);
  font-weight: 300;
  color: var(--color-white);
  line-height: 1;
  animation: fadeUp 1s 0.6s both;
}

.fv__title span {
  display: block;
  font-size: clamp(16px, 2.5vw, 22px);
  letter-spacing: 0.4em;
  margin-bottom: 8px;
  font-weight: 300;
}

.fv__title em {
  display: block;
  font-style: italic;
  font-size: clamp(72px, 14vw, 160px);
  letter-spacing: -0.01em;
  line-height: 1;
}

.fv__catch {
  font-family: var(--font-sans);
  font-size: clamp(13px, 1.5vw, 16px);
  font-weight: 300;
  color: rgba(255,255,255,0.85);
  line-height: 2;
  margin-top: 24px;
  letter-spacing: 0.08em;
  animation: fadeUp 1s 0.9s both;
}

.fv__scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.7);
  font-family: var(--font-serif);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  animation: fadeUp 1s 1.2s both;
  transition: opacity var(--transition);
}

.fv__scroll i {
  display: block;
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.6), rgba(255,255,255,0));
  animation: scrollLine 1.8s ease-in-out infinite;
}

@keyframes scrollLine {
  0%, 100% { transform: scaleY(1); opacity: 1; }
  50% { transform: scaleY(0.5); opacity: 0.5; }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ======================================
   TAB
====================================== */
.tab-wrapper {
  width: 100%;
}

.tab-nav {
  display: flex;
  border-bottom: 1px solid var(--color-gray-200);
  margin-bottom: 48px;
  gap: 0;
}

.tab-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-serif);
  font-size: clamp(13px, 1.5vw, 16px);
  letter-spacing: 0.12em;
  color: var(--color-gray-400);
  padding: 12px 28px;
  position: relative;
  transition: color var(--transition);
}

.tab-btn::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-black);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.tab-btn.active {
  color: var(--color-black);
}

.tab-btn.active::after {
  transform: scaleX(1);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: tabFade 0.4s ease;
}

@keyframes tabFade {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ======================================
   ABOUT
====================================== */
.about__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 6vw, 80px);
  align-items: center;
}

.about__layout--reverse {
  direction: rtl;
}

.about__layout--reverse > * {
  direction: ltr;
}

.about__img img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
}

.about__text h3 {
  font-family: var(--font-serif);
  font-size: clamp(22px, 2.5vw, 32px);
  font-weight: 400;
  margin-bottom: 24px;
  line-height: 1.4;
  letter-spacing: 0.05em;
}

.about__text p {
  font-size: 14px;
  line-height: 2;
  color: var(--color-gray-600);
  margin-bottom: 16px;
}

.about__text p:last-child {
  margin-bottom: 0;
}

/* timeline */
.about__timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-left: 1px solid var(--color-gray-200);
  padding-left: clamp(24px, 4vw, 48px);
  margin-left: clamp(40px, 6vw, 80px);
}

.timeline-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  padding-bottom: 40px;
  position: relative;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: calc(-1 * clamp(24px, 4vw, 48px) - 4px);
  top: 8px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-black);
  border: 2px solid var(--color-white);
  box-shadow: 0 0 0 1px var(--color-gray-400);
}

.timeline-year {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-gray-400);
  padding-top: 2px;
}

.timeline-body h4 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 400;
  margin-bottom: 8px;
}

.timeline-body p {
  font-size: 13px;
  color: var(--color-gray-600);
  line-height: 1.8;
}

/* ======================================
   MENU
====================================== */
.menu__tables {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(24px, 4vw, 48px);
}

.menu__block-title {
  font-family: var(--font-serif);
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 400;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-gray-200);
  color: var(--color-black);
}

.price-table {
  width: 100%;
  border-collapse: collapse;
}

.price-table tr {
  border-bottom: 1px solid var(--color-gray-200);
}

.price-table td {
  padding: 14px 0;
  font-size: 13px;
  color: var(--color-gray-600);
  line-height: 1.6;
}

.price-table td:last-child {
  text-align: right;
  font-family: var(--font-serif);
  font-size: 16px;
  color: var(--color-black);
  white-space: nowrap;
}

.menu__note {
  margin-top: clamp(24px, 3vw, 40px);
  font-size: 12px;
  color: var(--color-gray-400);
  text-align: center;
  letter-spacing: 0.05em;
}

/* ======================================
   FEATURES
====================================== */
.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 3vw, 40px);
}

.feature-card {
  overflow: hidden;
  background: var(--color-white);
}

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

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

.feature-card:hover .feature-card__img img {
  transform: scale(1.05);
}

.feature-card__body {
  padding: 28px 0 0;
}

.feature-card__num {
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--color-gray-400);
  display: block;
  margin-bottom: 10px;
}

.feature-card__body h3 {
  font-family: var(--font-serif);
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 400;
  margin-bottom: 14px;
  letter-spacing: 0.05em;
}

.feature-card__body p {
  font-size: 13px;
  line-height: 2;
  color: var(--color-gray-600);
}

/* ======================================
   STAFF
====================================== */
.staff-card {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(32px, 6vw, 72px);
  align-items: start;
}

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

.staff-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.staff-card__role {
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gray-400);
  margin-bottom: 10px;
}

.staff-card__name {
  font-family: var(--font-serif);
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 400;
  letter-spacing: 0.05em;
  margin-bottom: 24px;
  line-height: 1.3;
}

.staff-card__name span {
  display: block;
  font-size: clamp(13px, 1.5vw, 16px);
  font-style: italic;
  font-weight: 300;
  color: var(--color-gray-400);
  letter-spacing: 0.1em;
  margin-top: 4px;
}

.staff-card__message {
  font-size: 14px;
  line-height: 2.1;
  color: var(--color-gray-600);
  margin-bottom: 32px;
  font-style: italic;
  position: relative;
  padding-left: 20px;
}

.staff-card__message::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background-color: var(--color-gray-200);
}

.staff-card__spec {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.staff-card__spec li {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 16px;
  font-size: 13px;
  color: var(--color-gray-600);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-gray-200);
}

.staff-card__spec li span {
  color: var(--color-black);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.05em;
}

/* ======================================
   SHOP DATA
====================================== */
.shopdata__layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(32px, 6vw, 72px);
  align-items: start;
}

.info-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 36px;
}

.info-table tr {
  border-bottom: 1px solid var(--color-gray-200);
}

.info-table th,
.info-table td {
  padding: 16px 0;
  font-size: 13px;
  line-height: 1.8;
  vertical-align: top;
}

.info-table th {
  width: 110px;
  color: var(--color-black);
  font-weight: 500;
  letter-spacing: 0.05em;
}

.info-table td {
  color: var(--color-gray-600);
}

.info-table a {
  color: var(--color-black);
  text-decoration: underline;
}

.shopdata__map {
  overflow: hidden;
  border: 1px solid var(--color-gray-200);
}

.shopdata__map iframe {
  display: block;
  filter: grayscale(100%) contrast(1.1);
}

/* ======================================
   BUTTONS
====================================== */
.btn {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: 14px;
  letter-spacing: 0.15em;
  padding: 14px 40px;
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition), border-color var(--transition), opacity var(--transition);
  text-align: center;
}

.btn--primary {
  background-color: var(--color-black);
  color: var(--color-white);
  border: 1px solid var(--color-black);
}

.btn--primary:hover {
  background-color: transparent;
  color: var(--color-black);
  opacity: 1;
}

.btn--outline {
  background-color: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255,255,255,0.5);
}

.btn--outline:hover {
  background-color: var(--color-white);
  color: var(--color-black);
  opacity: 1;
}

.btn--white {
  background-color: var(--color-white);
  color: var(--color-black);
  border: 1px solid var(--color-white);
}

.btn--white:hover {
  background-color: transparent;
  color: var(--color-white);
  opacity: 1;
}

/* ======================================
   CONTACT
====================================== */
.contact__inner {
  text-align: center;
  padding: clamp(24px, 4vw, 48px) 0;
}

.contact__lead {
  font-size: clamp(13px, 1.5vw, 16px);
  color: rgba(255,255,255,0.7);
  margin-bottom: 40px;
  letter-spacing: 0.08em;
}

.contact__btns {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

/* ======================================
   FOOTER
====================================== */
.footer {
  background-color: var(--color-black);
  padding: 48px 0;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.footer__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.footer__logo {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--color-white);
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
}

.footer__nav a {
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.5);
  transition: color var(--transition);
}

.footer__nav a:hover {
  color: var(--color-white);
  opacity: 1;
}

.footer__copy {
  font-size: 11px;
  color: rgba(255,255,255,0.3);
  letter-spacing: 0.1em;
}

/* ======================================
   RESPONSIVE — TABLET (≤900px)
====================================== */
@media (max-width: 900px) {
  .header__nav {
    position: fixed;
    inset: 0;
    background-color: var(--color-white);
    z-index: 90;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: translateX(100%);
    transition: transform 0.4s ease;
  }

  .header__nav.is-open {
    transform: translateX(0);
  }

  .header__nav ul {
    flex-direction: column;
    align-items: center;
    gap: 32px;
  }

  .header__nav a {
    font-size: 22px;
    color: var(--color-black) !important;
    letter-spacing: 0.15em;
  }

  .header__cta {
    border-color: var(--color-black) !important;
    color: var(--color-black) !important;
  }

  .header__menu-btn {
    display: flex;
    position: relative;
    z-index: 110;
  }

  .header.is-scrolled .header__menu-btn span,
  .header__menu-btn span {
    background-color: var(--color-white);
  }

  .header.is-scrolled .header__menu-btn span {
    background-color: var(--color-black);
  }

  .about__layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .about__layout--reverse {
    direction: ltr;
  }

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

  .features__grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .staff-card {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .staff-card__img {
    aspect-ratio: 3/2;
    max-height: 300px;
  }

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

/* ======================================
   RESPONSIVE — MOBILE (≤600px)
====================================== */
@media (max-width: 600px) {
  .fv__content {
    padding-left: 24px;
    padding-right: 24px;
  }

  .tab-btn {
    padding: 10px 16px;
    font-size: 13px;
  }

  .timeline-item {
    grid-template-columns: 60px 1fr;
    gap: 16px;
  }

  .about__timeline {
    margin-left: 16px;
    padding-left: 20px;
  }

  .staff-card__spec li {
    grid-template-columns: 80px 1fr;
    gap: 12px;
  }

  .info-table th {
    width: 80px;
  }

  .contact__btns {
    flex-direction: column;
    align-items: stretch;
  }

  .contact__btns .btn {
    width: 100%;
  }
}