:root {
  color-scheme: light;
  --ink: #181412;
  --soft-ink: #40362f;
  --muted: #766b61;
  --line: #ded4c6;
  --paper: #fffaf2;
  --warm: #f3eadb;
  --wood: #b98253;
  --sakura: #d9869a;
  --deep: #2a1715;
  --white: #ffffff;
  --shadow: 0 18px 48px rgba(31, 22, 17, 0.14);
  --radius: 8px;
  --header-height: 72px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Hiragino Mincho ProN", "Yu Mincho", YuMincho, "Noto Serif JP", serif;
  line-height: 1.75;
  letter-spacing: 0;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

.site-header {
  align-items: center;
  display: flex;
  height: var(--header-height);
  justify-content: space-between;
  left: 0;
  padding: 0 clamp(18px, 4vw, 56px);
  position: fixed;
  right: 0;
  top: 0;
  transition: background 180ms ease, border-color 180ms ease;
  z-index: 20;
}

.site-header[data-scrolled="true"],
.reservation-header {
  background: rgba(255, 250, 242, 0.94);
  border-bottom: 1px solid rgba(222, 212, 198, 0.9);
  backdrop-filter: blur(16px);
}

.brand-mark {
  align-items: center;
  display: flex;
  gap: 12px;
  font-weight: 700;
  min-width: 0;
}

.brand-mark img {
  background: var(--deep);
  border-radius: 999px;
  height: 38px;
  object-fit: contain;
  padding: 7px 10px;
  width: 38px;
}

.brand-mark span {
  color: var(--ink);
  font-size: 1.02rem;
  white-space: nowrap;
}

.hero .brand-mark span,
.site-header:not([data-scrolled="true"]) .brand-mark span {
  color: var(--white);
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.35);
}

.site-nav {
  align-items: center;
  display: flex;
  gap: clamp(12px, 2vw, 28px);
}

.site-nav a {
  align-items: center;
  display: inline-flex;
  font-size: 0.92rem;
  gap: 7px;
  white-space: nowrap;
}

.site-header:not([data-scrolled="true"]) .site-nav a {
  color: var(--white);
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.35);
}

.nav-action {
  border: 1px solid currentColor;
  border-radius: 999px;
  padding: 8px 13px;
}

.button {
  align-items: center;
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  display: inline-flex;
  font-weight: 700;
  gap: 8px;
  justify-content: center;
  line-height: 1.2;
  min-height: 46px;
  padding: 12px 18px;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.button:hover,
.icon-button:hover {
  transform: translateY(-1px);
}

.button svg,
.site-nav svg,
.icon-button svg {
  height: 18px;
  width: 18px;
}

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

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

.button.ghost {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.58);
  color: var(--white);
}

.hero {
  min-height: 92svh;
  overflow: hidden;
  position: relative;
}

.hero picture,
.hero img {
  height: 100%;
  inset: 0;
  position: absolute;
  width: 100%;
}

.hero img {
  object-fit: cover;
}

.hero-shade {
  background: linear-gradient(90deg, rgba(24, 20, 18, 0.76), rgba(24, 20, 18, 0.28) 54%, rgba(24, 20, 18, 0.08));
  inset: 0;
  position: absolute;
}

.hero-content {
  color: var(--white);
  max-width: 760px;
  padding: clamp(132px, 20vh, 210px) clamp(22px, 7vw, 96px) 88px;
  position: relative;
  z-index: 1;
}

.eyebrow {
  color: var(--sakura);
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  margin: 0 0 10px;
  text-transform: uppercase;
}

.hero h1,
.reservation-hero h1 {
  font-size: clamp(3.8rem, 8vw, 7.4rem);
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1.04;
  margin: 0;
}

.hero-copy {
  font-size: clamp(1.08rem, 2.2vw, 1.55rem);
  margin: 22px 0 32px;
  max-width: 660px;
}

.hero-actions,
.section-actions,
.map-actions,
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.quick-info {
  background: var(--deep);
  color: var(--white);
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.quick-info div {
  background: rgba(255, 255, 255, 0.045);
  min-height: 104px;
  padding: 22px clamp(16px, 3vw, 34px);
}

.quick-info span {
  color: #d9c7b9;
  display: block;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.78rem;
  margin-bottom: 8px;
}

.quick-info strong {
  display: block;
  font-size: clamp(0.98rem, 1.35vw, 1.18rem);
  line-height: 1.55;
}

.section {
  padding: clamp(76px, 10vw, 128px) clamp(22px, 6vw, 86px);
}

.section-copy,
.section-heading {
  max-width: 760px;
}

.section h2,
.feature-copy h2 {
  font-size: clamp(2rem, 4.4vw, 4rem);
  font-weight: 500;
  line-height: 1.22;
  margin: 0 0 22px;
}

.section p,
.feature-copy p {
  color: var(--soft-ink);
  font-size: 1rem;
  margin: 0;
}

.intro-section {
  align-items: center;
  display: grid;
  gap: clamp(32px, 6vw, 76px);
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
}

.image-pair {
  display: grid;
  gap: 16px;
  grid-template-columns: 0.9fr 0.72fr;
}

.image-pair img,
.course-card,
.gallery-grid img,
.feature-image img,
.access-layout iframe,
.access-panel,
.calendar-panel,
.reservation-form {
  border-radius: var(--radius);
}

.image-pair img {
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.image-pair img:first-child {
  margin-top: 54px;
}

.course-section {
  background: var(--warm);
}

.course-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 42px 0 28px;
}

.course-card {
  background: var(--paper);
  box-shadow: var(--shadow);
  overflow: hidden;
}

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

.course-card div {
  padding: 22px;
}

.course-card p {
  color: var(--sakura);
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  margin: 0 0 6px;
}

.course-card h3 {
  font-size: 1.35rem;
  font-weight: 600;
  line-height: 1.35;
  margin: 0 0 10px;
}

.course-card strong {
  display: block;
  font-size: 1.35rem;
  margin-bottom: 10px;
}

.course-card span {
  color: var(--muted);
  display: block;
  font-size: 0.94rem;
}

.feature-band {
  align-items: center;
  background: var(--deep);
  color: var(--white);
  display: grid;
  gap: clamp(34px, 6vw, 78px);
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  padding: clamp(76px, 10vw, 128px) clamp(22px, 6vw, 86px);
}

.feature-image img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
  width: 100%;
}

.feature-copy p {
  color: #eaded2;
}

.check-list {
  display: grid;
  gap: 10px;
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}

.check-list li {
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  padding-top: 10px;
}

.gallery-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  margin-top: 42px;
}

.gallery-grid img {
  aspect-ratio: 1 / 1;
  object-fit: cover;
  width: 100%;
}

.gallery-grid img:nth-child(1),
.gallery-grid img:nth-child(3) {
  grid-column: span 2;
  grid-row: span 2;
}

.access-section {
  background: #f7f1e8;
}

.access-layout {
  display: grid;
  gap: 22px;
  grid-template-columns: minmax(0, 1.35fr) minmax(310px, 0.65fr);
  margin-top: 38px;
}

.access-layout iframe {
  border: 0;
  min-height: 430px;
  width: 100%;
}

.access-panel {
  background: var(--white);
  box-shadow: var(--shadow);
  padding: 26px;
}

.access-panel dl {
  display: grid;
  gap: 22px;
  margin: 0 0 28px;
}

.access-panel dt {
  color: var(--muted);
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 6px;
  text-transform: uppercase;
}

.access-panel dd {
  margin: 0;
}

.site-footer {
  align-items: center;
  background: var(--ink);
  color: var(--white);
  display: flex;
  gap: 24px;
  justify-content: space-between;
  padding: 34px clamp(22px, 6vw, 86px);
}

.site-footer p {
  color: #d9c7b9;
  margin: 4px 0 0;
}

.mobile-reserve-bar {
  display: none;
}

.reservation-page {
  background: var(--paper);
}

.reservation-hero {
  min-height: 420px;
  overflow: hidden;
  position: relative;
}

.reservation-hero img {
  height: 100%;
  inset: 0;
  object-fit: cover;
  position: absolute;
  width: 100%;
}

.reservation-hero::after {
  background: linear-gradient(90deg, rgba(24, 20, 18, 0.8), rgba(24, 20, 18, 0.32));
  content: "";
  inset: 0;
  position: absolute;
}

.reservation-hero-copy {
  color: var(--white);
  max-width: 740px;
  padding: 138px clamp(22px, 7vw, 96px) 72px;
  position: relative;
  z-index: 1;
}

.reservation-hero-copy p:last-child {
  font-size: 1.08rem;
  margin: 18px 0 0;
}

.reservation-layout {
  align-items: start;
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(360px, 0.9fr) minmax(0, 1.1fr);
  padding: clamp(42px, 6vw, 76px) clamp(18px, 5vw, 72px);
}

.calendar-panel,
.reservation-form {
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: clamp(18px, 3vw, 28px);
}

.calendar-panel {
  position: sticky;
  top: 92px;
}

.calendar-head {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin-bottom: 18px;
}

.calendar-head h2 {
  font-size: 1.3rem;
  margin: 0;
}

.icon-button {
  align-items: center;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink);
  cursor: pointer;
  display: inline-flex;
  height: 42px;
  justify-content: center;
  width: 42px;
}

.weekday-grid,
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
}

.weekday-grid {
  color: var(--muted);
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 8px;
  text-align: center;
}

.calendar-grid {
  gap: 7px;
}

.day-button,
.day-blank {
  aspect-ratio: 1 / 1;
  border-radius: 6px;
}

.day-button {
  background: var(--paper);
  border: 1px solid var(--line);
  color: var(--ink);
  cursor: pointer;
  min-width: 0;
}

.day-button:disabled {
  background: #eee7dc;
  color: #a4978a;
  cursor: not-allowed;
}

.day-button[aria-pressed="true"] {
  background: var(--deep);
  border-color: var(--deep);
  color: var(--white);
}

.calendar-note,
.form-note {
  color: var(--muted);
  font-size: 0.86rem;
  margin: 16px 0 0;
}

.reservation-form {
  display: grid;
  gap: 18px;
}

.form-status {
  align-items: center;
  background: var(--deep);
  border-radius: var(--radius);
  color: var(--white);
  display: flex;
  justify-content: space-between;
  padding: 16px 18px;
}

.form-status span {
  color: #d9c7b9;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.78rem;
}

.field-grid {
  display: grid;
  gap: 14px;
}

.field-grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

label {
  display: grid;
  gap: 7px;
}

label > span {
  color: var(--soft-ink);
  font-size: 0.9rem;
  font-weight: 700;
}

input,
select,
textarea {
  background: #fffdf8;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  min-height: 46px;
  padding: 10px 12px;
  width: 100%;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus,
.day-button:focus,
.button:focus,
.icon-button:focus {
  outline: 3px solid rgba(217, 134, 154, 0.38);
  outline-offset: 2px;
}

.consent-row {
  align-items: start;
  display: grid;
  gap: 10px;
  grid-template-columns: 20px minmax(0, 1fr);
}

.consent-row input {
  height: 18px;
  min-height: 18px;
  margin-top: 5px;
  width: 18px;
}

@media (max-width: 980px) {
  .quick-info,
  .course-grid,
  .intro-section,
  .feature-band,
  .access-layout,
  .reservation-layout {
    grid-template-columns: 1fr;
  }

  .calendar-panel {
    position: static;
  }

  .quick-info {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .gallery-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .gallery-grid img:nth-child(1),
  .gallery-grid img:nth-child(3) {
    grid-column: span 1;
    grid-row: span 1;
  }
}

@media (max-width: 760px) {
  :root {
    --header-height: 64px;
  }

  body {
    padding-bottom: 70px;
  }

  .site-header {
    padding: 0 16px;
  }

  .brand-mark span {
    font-size: 0.95rem;
  }

  .site-nav a:not(.nav-action) {
    display: none;
  }

  .nav-action {
    padding: 8px 11px;
  }

  .hero {
    min-height: 88svh;
  }

  .hero-content {
    padding: 118px 20px 70px;
  }

  .hero-actions .button {
    width: 100%;
  }

  .quick-info {
    grid-template-columns: 1fr;
  }

  .quick-info div {
    min-height: 88px;
  }

  .section,
  .feature-band {
    padding: 58px 18px;
  }

  .section h2,
  .feature-copy h2 {
    font-size: clamp(1.8rem, 9vw, 2.5rem);
  }

  .image-pair {
    grid-template-columns: 1fr;
  }

  .image-pair img:first-child {
    margin-top: 0;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .access-layout iframe {
    min-height: 340px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .mobile-reserve-bar {
    background: rgba(42, 23, 21, 0.96);
    bottom: 0;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    left: 0;
    padding: 10px;
    position: fixed;
    right: 0;
    z-index: 30;
  }

  .mobile-reserve-bar a {
    align-items: center;
    border-radius: 999px;
    color: var(--white);
    display: inline-flex;
    font-weight: 700;
    gap: 7px;
    justify-content: center;
    min-height: 48px;
  }

  .mobile-reserve-bar a:last-child {
    background: var(--white);
    color: var(--deep);
  }

  .mobile-reserve-bar svg {
    height: 18px;
    width: 18px;
  }

  .reservation-hero {
    min-height: 360px;
  }

  .reservation-hero-copy {
    padding: 118px 20px 56px;
  }

  .reservation-layout {
    padding: 32px 14px 58px;
  }

  .field-grid.two {
    grid-template-columns: 1fr;
  }

  .calendar-grid {
    gap: 5px;
  }
}