:root {
  --ink: #18201c;
  --muted: #5e675f;
  --paper: #f7f4ec;
  --mist: #dbe1d8;
  --forest: #26382f;
  --cedar: #8b6b47;
  --stone: #343b37;
  --line: rgba(24, 32, 28, 0.16);
  --white: #fffdf8;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", Georgia, serif;
  line-height: 1.8;
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  width: 100%;
  min-height: 78px;
  padding: 18px clamp(20px, 4vw, 54px);
  color: var(--white);
  transition: background 220ms ease, box-shadow 220ms ease, min-height 220ms ease;
}

.site-header.is-scrolled {
  min-height: 66px;
  background: rgba(247, 244, 236, 0.94);
  color: var(--ink);
  box-shadow: 0 12px 30px rgba(20, 28, 24, 0.08);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  width: max-content;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border: 1px solid currentColor;
  border-radius: 50%;
  position: relative;
}

.brand-mark::after {
  position: absolute;
  inset: 9px;
  border-top: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  content: "";
}

.brand-name,
.brand-sub {
  display: block;
}

.brand-name {
  font-size: 18px;
  letter-spacing: 0;
}

.brand-sub {
  margin-top: -5px;
  font-family: Optima, "Helvetica Neue", Arial, sans-serif;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  gap: 30px;
  font-size: 14px;
}

.nav a {
  padding: 8px 0;
}

.header-cta,
.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border: 1px solid currentColor;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 13px;
  letter-spacing: 0.08em;
}

.header-cta {
  margin-left: 28px;
}

.hero {
  position: relative;
  min-height: 94vh;
  overflow: hidden;
  color: var(--white);
  isolation: isolate;
}

.hero-image {
  position: absolute;
  inset: 0;
  z-index: -3;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-shade {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(14, 24, 20, 0.76) 0%, rgba(14, 24, 20, 0.42) 38%, rgba(14, 24, 20, 0.08) 78%),
    linear-gradient(180deg, rgba(10, 14, 12, 0.34) 0%, rgba(10, 14, 12, 0.04) 45%, rgba(10, 14, 12, 0.46) 100%);
}

.hero-content {
  width: min(760px, calc(100% - 40px));
  padding: 22vh 0 18vh clamp(22px, 7vw, 108px);
}

.eyebrow,
.section-kicker {
  margin: 0 0 18px;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(42px, 6.2vw, 86px);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: 0;
}

.lead {
  max-width: 620px;
  margin: 28px 0 0;
  font-size: 17px;
  line-height: 2.05;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-top: 42px;
  flex-wrap: wrap;
}

.text-link {
  border-bottom: 1px solid rgba(255, 253, 248, 0.72);
  font-size: 14px;
}

.hero-note {
  position: absolute;
  right: clamp(20px, 4vw, 54px);
  bottom: 28px;
  display: flex;
  gap: 10px;
  color: rgba(255, 253, 248, 0.88);
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 12px;
}

.hero-note span {
  padding: 7px 12px;
  border: 1px solid rgba(255, 253, 248, 0.42);
  background: rgba(24, 32, 28, 0.18);
  backdrop-filter: blur(12px);
}

.section-band {
  padding: clamp(76px, 10vw, 132px) 0;
}

.section-inner {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.intro {
  background: var(--paper);
}

.intro-grid,
.split-layout,
.dining-grid,
.access-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(42px, 7vw, 92px);
  align-items: start;
}

h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 52px);
  font-weight: 400;
  line-height: 1.38;
  letter-spacing: 0;
}

.nowrap {
  white-space: nowrap;
}

.intro-grid p,
.copy-block p,
.bath-copy p,
.contact-inner p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}

.section-kicker {
  color: var(--cedar);
}

.feature {
  background: #fffaf1;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.copy-block h2 {
  margin-bottom: 24px;
}

.detail-list {
  border-top: 1px solid var(--line);
}

.detail-list div {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.detail-list span {
  color: var(--cedar);
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 12px;
}

.detail-list p {
  margin: 0;
  font-size: 18px;
}

.bath-panel {
  min-height: 78vh;
  display: flex;
  align-items: end;
  padding: clamp(90px, 12vw, 150px) clamp(20px, 6vw, 92px);
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(22, 31, 27, 0.82), rgba(22, 31, 27, 0.28)),
    linear-gradient(0deg, rgba(22, 31, 27, 0.76), rgba(22, 31, 27, 0.08)),
    url("assets/kirishima-onsen-hero.png") center / cover fixed;
}

.bath-copy {
  width: min(580px, 100%);
}

.bath-copy .section-kicker,
.bath-copy p {
  color: rgba(255, 253, 248, 0.82);
}

.bath-copy h2 {
  margin-bottom: 24px;
}

.dining-grid {
  align-items: center;
}

.menu-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.menu-strip span {
  position: relative;
  overflow: hidden;
  min-height: 118px;
  display: flex;
  align-items: center;
  padding: 24px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--stone);
  color: var(--white);
  font-size: 18px;
  isolation: isolate;
}

.menu-strip span::before,
.menu-strip span::after {
  position: absolute;
  inset: 0;
  content: "";
}

.menu-strip span::before {
  z-index: -2;
  background-position: center;
  background-size: cover;
  opacity: 0.55;
  transform: scale(1.03);
  transition: opacity 220ms ease, transform 220ms ease;
}

.menu-strip span::after {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(18, 26, 22, 0.78), rgba(18, 26, 22, 0.36)),
    linear-gradient(0deg, rgba(18, 26, 22, 0.28), rgba(18, 26, 22, 0.28));
}

.menu-strip span:hover::before {
  opacity: 0.72;
  transform: scale(1.07);
}

.menu-strip span:nth-child(1)::before {
  background-image: url("assets/dining-wagyu.png");
}

.menu-strip span:nth-child(2)::before {
  background-image: url("assets/dining-vegetables.png");
}

.menu-strip span:nth-child(3)::before {
  background-image: url("assets/dining-sake.png");
}

.menu-strip span:nth-child(4)::before {
  background-image: url("assets/dining-rice.png");
}

.access {
  background: var(--forest);
  color: var(--white);
}

.access .section-kicker,
.access .copy-block p {
  color: rgba(255, 253, 248, 0.72);
}

.access-lines {
  border-top: 1px solid rgba(255, 253, 248, 0.24);
}

.access-lines div {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 26px 0;
  border-bottom: 1px solid rgba(255, 253, 248, 0.24);
}

.access-lines strong {
  font-size: 20px;
  font-weight: 400;
}

.access-lines span {
  color: rgba(255, 253, 248, 0.72);
  text-align: right;
}

.contact {
  padding: clamp(82px, 11vw, 140px) 20px;
  background: #e7e2d4;
}

.contact-inner {
  width: min(760px, 100%);
  margin: 0 auto;
  text-align: center;
}

.contact-inner h2 {
  margin-bottom: 22px;
}

.contact-inner .primary-button {
  margin-top: 34px;
  color: var(--ink);
}

@media (max-width: 860px) {
  .site-header {
    grid-template-columns: 1fr auto;
    min-height: 70px;
  }

  .nav {
    display: none;
  }

  .header-cta {
    margin-left: 0;
    min-height: 40px;
    padding: 0 16px;
  }

  .hero {
    min-height: 90vh;
  }

  .hero-content {
    width: min(100%, calc(100% - 36px));
    padding: 18vh 0 130px 18px;
  }

  .hero h1 {
    font-size: clamp(38px, 11vw, 58px);
  }

  .lead {
    font-size: 15px;
  }

  .hero-note {
    left: 18px;
    right: 18px;
    overflow-x: auto;
  }

  .intro-grid,
  .split-layout,
  .dining-grid,
  .access-grid {
    grid-template-columns: 1fr;
  }

  .bath-panel {
    background-attachment: scroll;
  }

  .access-lines div {
    display: grid;
    gap: 6px;
  }

  .access-lines span {
    text-align: left;
  }
}

@media (max-width: 560px) {
  .brand-sub {
    display: none;
  }

  .header-cta {
    font-size: 12px;
  }

  .hero-content {
    padding-top: 17vh;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
  }

  .menu-strip {
    grid-template-columns: 1fr;
  }

  .detail-list div {
    grid-template-columns: 44px 1fr;
    gap: 16px;
  }
}
