:root {
  --ink: #242623;
  --paper: #f2efe7;
  --sand: #d8ceb8;
  --green: #34483a;
  --gray: #a8aaa4;
  --serif: "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
  --sans:
    -apple-system, BlinkMacSystemFont, "Noto Sans JP", "Yu Gothic", sans-serif;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  line-height: 1.9;
  letter-spacing: 0.04em;
}
img {
  display: block;
  max-width: 100%;
}
a {
  color: inherit;
  text-decoration: none;
}
h1,
h2,
h3,
p {
  margin-top: 0;
}
h1,
h2,
h3,
.logo {
  font-family: var(--serif);
  font-weight: 400;
}
h1 {
  font-size: clamp(3.1rem, 5.6vw, 5.8rem);
  line-height: 1.25;
  letter-spacing: 0.08em;
}
h2 {
  font-size: clamp(2rem, 4.2vw, 4.4rem);
  line-height: 1.45;
  letter-spacing: 0.07em;
}
.desktop-break { display: inline; }
.mobile-break { display: none; }
.desktop-narrow-break { display: inline; }
.mobile-narrow-break { display: none; }
.hero-copy h1 { max-width: 7.2em; }
.concept h2 { max-width: 10em; }
.space h2 { max-width: 100%; font-size: clamp(2rem, 3.3vw, 3.25rem); }
.host h2 { max-width: 100%; font-size: clamp(2rem, 3.1vw, 3.2rem); }
.guide h2 { max-width: 12em; }
.faq h2 { max-width: 9em; }
.reserve h2 { max-width: 100%; font-size: clamp(2rem, 3.3vw, 3.25rem); }
.sample {
  text-align: center;
  background: var(--ink);
  color: #fff;
  font-size: 11px;
  padding: 5px 12px;
}
.skip {
  position: absolute;
  left: 10px;
  top: -100px;
  background: #fff;
  padding: 10px;
  z-index: 99;
}
.skip:focus {
  top: 10px;
}
.header {
  height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(20px, 5vw, 72px);
  background: rgba(242, 239, 231, 0.94);
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(36, 38, 35, 0.12);
  backdrop-filter: blur(12px);
}
.logo small {
  display: block;
  font: 10px var(--sans);
  letter-spacing: 0.18em;
}
.logo span {
  font-size: 25px;
  letter-spacing: 0.18em;
}
.logo i {
  font-size: 12px;
  font-style: normal;
}
.header nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 12px;
}
.nav-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 28px;
  background: var(--green);
  color: #fff;
  border: 1px solid var(--green);
  font: 13px var(--sans);
  letter-spacing: 0.1em;
  cursor: pointer;
}
.menu {
  display: none;
}
.hero {
  min-height: calc(100vh - 116px);
  display: grid;
  grid-template-columns: 46% 54%;
  background: #e9e4da;
}
.hero-copy {
  padding: clamp(60px, 9vw, 140px) clamp(25px, 7vw, 110px);
  align-self: center;
}
.hero-copy p {
  font-family: var(--serif);
  font-size: clamp(1rem, 1.5vw, 1.3rem);
}
.hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 62% center;
}
.facts {
  display: flex;
  gap: 25px;
  margin: 28px 0;
  font-size: 12px;
}
.facts span + span {
  border-left: 1px solid var(--gray);
  padding-left: 25px;
}
.actions {
  display: flex;
  align-items: center;
  gap: 30px;
}
.text-link {
  font-size: 13px;
  border-bottom: 1px solid;
  padding: 10px 0;
}
.section {
  padding: clamp(90px, 13vw, 190px) clamp(24px, 8vw, 120px);
  max-width: 1440px;
  margin: auto;
}
.label {
  font-size: 11px;
  letter-spacing: 0.25em;
  color: #687068;
  margin-bottom: 28px;
}
.concept {
  display: grid;
  grid-template-columns: 50px 1fr 1fr;
  gap: 7vw;
}
.concept .copy {
  align-self: end;
  max-width: 440px;
}
.concept .copy p + p {
  margin-top: 34px;
}
.vertical {
  writing-mode: vertical-rl;
  font-size: 10px;
  letter-spacing: 0.22em;
  color: #7a7f79;
}
.heading {
  max-width: 730px;
}
.heading > p:last-child {
  max-width: 560px;
}
.experience {
  border-top: 1px solid #ccc4b5;
}
.steps {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  list-style: none;
  padding: 60px 0 0;
  margin: 0;
}
.steps li {
  min-height: 150px;
  border-left: 1px solid #c9c2b5;
  padding: 10px 18px;
}
.steps b {
  display: block;
  font: 18px var(--serif);
  color: #899087;
  margin-bottom: 45px;
}
.steps span {
  font-family: var(--serif);
}
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding-top: 20px;
  gap: 7vw;
}
.features article {
  border-top: 1px solid;
  padding-top: 35px;
}
.features article > span {
  font: 3rem var(--serif);
  color: #9aa096;
}
.features p {
  font-size: 14px;
}
.space {
  display: grid;
  grid-template-columns: 62% 38%;
  background: var(--ink);
  color: #eee;
}
.space-image {
  min-height: 720px;
  background: url("/assets/images/hero-sky-tea-room.jpg") center/cover;
}
.space-copy {
  padding: 10vw 6vw;
  align-self: center;
}
.space h2 {
  color: #fff;
}
.space ul {
  padding: 20px 0;
  list-style: none;
  border-top: 1px solid #62645f;
}
.space li {
  border-bottom: 1px solid #62645f;
  padding: 10px 0;
  font-size: 13px;
}
.host {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10vw;
}
.host > div:last-child {
  padding-top: 80px;
  max-width: 480px;
}
.host-name {
  font-family: var(--serif);
  border-bottom: 1px solid #bbb4a6;
  padding-bottom: 25px;
}
.host-name strong {
  font-size: 2rem;
  font-weight: 400;
  margin-right: 15px;
}
.host-name small {
  font-size: 12px;
}
.note {
  font-size: 11px !important;
  color: #747770;
}
.scenes {
  text-align: center;
  background: #ded8ca;
  padding: 90px 5vw;
}
.scenes div {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}
.scenes span {
  font-family: var(--serif);
  padding: 12px 35px;
  border-right: 1px solid #b1aa9c;
}
.guide {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 10vw;
}
.guide dl {
  margin: 0;
}
.guide dl div {
  display: grid;
  grid-template-columns: 150px 1fr;
  border-top: 1px solid #bbb5aa;
  padding: 17px 0;
}
.guide dt {
  font-size: 12px;
}
.guide dd {
  margin: 0;
}
.faq {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 10vw;
  border-top: 1px solid #cbc4b7;
}
.faq-list details {
  border-top: 1px solid #bbb5aa;
  padding: 18px 0;
}
.faq-list details:last-child {
  border-bottom: 1px solid #bbb5aa;
}
.faq-list summary {
  cursor: pointer;
  font-family: var(--serif);
  padding-right: 40px;
  position: relative;
  list-style: none;
}
.faq-list summary:after {
  content: "＋";
  position: absolute;
  right: 8px;
}
.faq-list details[open] summary:after {
  content: "−";
}
.faq-list p {
  font-size: 13px;
  padding: 15px 35px 0 0;
  margin: 0;
}
.reserve {
  background: #dcd6c8;
  padding: clamp(80px, 10vw, 140px) max(6vw, 24px);
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 8vw;
}
.reserve > div {
  max-width: 480px;
}
.reserve form {
  max-width: 700px;
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.form-grid label {
  font-size: 12px;
}
.form-grid input,
.form-grid select,
.form-grid textarea {
  display: block;
  width: 100%;
  margin-top: 5px;
  background: rgba(255, 255, 255, 0.45);
  border: 1px solid #aaa397;
  border-radius: 0;
  padding: 12px;
  font: 16px var(--sans);
}
.wide {
  grid-column: 1/-1;
}
.check {
  display: block;
  font-size: 12px;
  margin: 20px 0;
}
.form-error {
  color: #8b302c;
  font-size: 13px;
}
.form-success {
  padding: 15px;
  border: 1px solid var(--green);
  margin-top: 20px;
}
.final {
  text-align: center;
  color: white;
  background:
    linear-gradient(rgba(36, 38, 35, 0.73), rgba(36, 38, 35, 0.73)),
    url("/assets/images/hero-sky-tea-room.jpg") center 70% / cover;
  padding: 130px 20px;
}
.final h2 {
  margin-bottom: 40px;
}
.light {
  background: transparent;
  border-color: white;
}
footer {
  background: #1c1e1b;
  color: #ddd;
  padding: 55px 6vw;
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  align-items: end;
  gap: 30px;
}
footer div {
  display: flex;
  gap: 25px;
  font-size: 11px;
}
footer p {
  font-size: 9px;
  margin: 0;
}
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}
:focus-visible {
  outline: 2px solid #8a4f26;
  outline-offset: 4px;
}
@media (max-width: 850px) {
  .desktop-break { display: none; }
  .mobile-break { display: inline; }
  .desktop-narrow-break { display: none; }
  .mobile-narrow-break { display: inline; }
  h1, h2 { overflow-wrap: anywhere; word-break: normal; }
  .hero-copy h1 { max-width: 6em; font-size: clamp(2.65rem, 12vw, 4.2rem); line-height: 1.3; }
  .concept h2 { max-width: 9em; }
  .experience h2 { max-width: 8em; }
  .space h2, .host h2 { max-width: 7.5em; }
  .guide h2 { max-width: 10em; }
  .faq h2 { max-width: 8em; }
  .reserve h2 { max-width: 8.5em; }
  .header {
    height: 72px;
  }
  .menu {
    display: block;
    border: 0;
    background: none;
    min-height: 44px;
  }
  .header nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--paper);
    padding: 25px;
    flex-direction: column;
    align-items: stretch;
  }
  .header nav.open {
    display: flex;
  }
  .hero {
    grid-template-columns: 1fr;
    min-height: 0;
  }
  .hero-copy {
    padding: 80px 25px 55px;
  }
  .hero img {
    height: 55vh;
    min-height: 390px;
    object-position: 65% center;
  }
  .concept,
  .host,
  .guide,
  .faq,
  .reserve {
    grid-template-columns: 1fr;
  }
  .vertical {
    display: none;
  }
  .steps {
    grid-template-columns: 1fr 1fr;
  }
  .steps li {
    min-height: 110px;
  }
  .features {
    grid-template-columns: 1fr;
  }
  .space {
    grid-template-columns: 1fr;
  }
  .space-image {
    min-height: 55vh;
  }
  .space-copy {
    padding: 80px 25px;
  }
  .host > div:last-child {
    padding-top: 0;
  }
  .scenes span {
    padding: 8px 14px;
  }
  .guide dl div {
    grid-template-columns: 110px 1fr;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .wide {
    grid-column: auto;
  }
  footer {
    grid-template-columns: 1fr;
  }
  footer div {
    flex-wrap: wrap;
  }
}

/* 4.1 photo narrative */
.experience-gallery {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 clamp(24px, 7vw, 110px) clamp(110px, 15vw, 210px);
  display: grid;
  grid-template-columns: 0.85fr 1.2fr;
  grid-template-areas:
    "arrival wagashi"
    "arrival hands";
  gap: clamp(22px, 4.5vw, 72px);
  align-items: start;
}
.experience-gallery figure { margin: 0; }
.experience-gallery img,
.host-portrait img { width: 100%; height: 100%; object-fit: cover; }
.experience-gallery figcaption {
  margin-top: 14px;
  color: #686b65;
  font: 13px/1.8 var(--serif);
  letter-spacing: 0.09em;
}
.gallery-arrival { grid-area: arrival; width: 82%; margin-top: 9vw !important; }
.gallery-arrival img { aspect-ratio: 4 / 5; }
.gallery-wagashi { grid-area: wagashi; width: 84%; margin-left: auto !important; }
.gallery-wagashi img { aspect-ratio: 4 / 3; }
.gallery-hands { grid-area: hands; width: 72%; margin: 3vw 0 0 4vw !important; }
.gallery-hands img { aspect-ratio: 3 / 2; }
.host {
  grid-template-columns: minmax(240px, 0.75fr) minmax(320px, 0.9fr) minmax(280px, 0.75fr);
  gap: clamp(35px, 6vw, 90px);
  align-items: center;
}
.host-heading { align-self: start; padding-top: 8vw; }
.host-portrait { margin: 0; align-self: stretch; }
.host-portrait img { aspect-ratio: 4 / 5; object-position: center; }
.host-body { padding-top: 12vw !important; }
@media (max-width: 850px) {
  .experience-gallery {
    grid-template-columns: 1fr;
    grid-template-areas: "wagashi" "arrival" "hands";
    padding-bottom: 110px;
    gap: 42px;
  }
  .gallery-arrival,
  .gallery-wagashi,
  .gallery-hands {
    width: 100%;
    margin: 0 !important;
  }
  .gallery-arrival { width: 78%; margin-left: auto !important; }
  .gallery-hands { width: 88%; }
  .host { grid-template-columns: 1fr; }
  .host-heading { padding-top: 0; }
  .host-portrait { width: 82%; margin: 0 0 0 auto; }
  .host-body { padding-top: 0 !important; }
}
@media (max-width: 420px) {
  h1 {
    font-size: clamp(2.45rem, 12.4vw, 2.9rem);
    max-width: 5.8em;
  }
  .final h2 { font-size: clamp(2rem, 10.8vw, 2.55rem); line-height: 1.5; }
  .facts,
  .actions {
    align-items: flex-start;
    flex-direction: column;
  }
  .steps {
    grid-template-columns: 1fr;
  }
  .steps li {
    min-height: 0;
    padding: 14px;
    display: flex;
    gap: 25px;
  }
  .steps b {
    margin: 0;
  }
  .sample {
    font-size: 9px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* 4.1 editorial rhythm */
.experience { border-top: 0; position: relative; padding-top: clamp(110px, 15vw, 210px); }
.experience::before { content: ""; position: absolute; top: 0; left: 8vw; width: clamp(70px, 12vw, 170px); height: 1px; background: #aaa697; }
.experience .heading { margin-left: clamp(0px, 7vw, 100px); }
.experience .heading > p:last-child { font-family: var(--serif); font-size: clamp(15px, 1.35vw, 18px); line-height: 2.15; }
.experience h2 { font-size: clamp(2rem, 3.6vw, 3.8rem); }
.steps { display: flex; flex-direction: column; max-width: 920px; margin: clamp(70px, 9vw, 130px) auto 0; padding: 0; gap: 0; position: relative; }
.steps::before { content: ""; position: absolute; left: 50%; top: 2%; bottom: 2%; width: 1px; background: linear-gradient(to bottom, transparent, #b8b0a0 8%, #b8b0a0 92%, transparent); }
.steps li { width: 50%; min-height: 0; border: 0; padding: 24px clamp(26px, 5vw, 72px) 34px; display: flex; gap: 24px; align-items: flex-start; position: relative; }
.steps li:nth-child(odd) { align-self: flex-start; text-align: right; flex-direction: row-reverse; }
.steps li:nth-child(even) { align-self: flex-end; margin-top: -9px; }
.steps li::after { content: ""; position: absolute; top: 35px; width: 7px; height: 7px; border-radius: 50%; background: var(--paper); border: 1px solid #8c8b80; }
.steps li:nth-child(odd)::after { right: -4px; }
.steps li:nth-child(even)::after { left: -4px; }
.steps b { margin: 0; color: #777f74; font: 28px var(--serif); line-height: 1; }
.steps span { display: block; font: clamp(21px, 2.2vw, 30px) var(--serif); letter-spacing: 0.08em; line-height: 1.4; }
.steps small { display: block; margin-top: 9px; color: #6e706a; font: 12px/1.9 var(--sans); letter-spacing: 0.04em; }
.features { display: block; max-width: 1120px; padding-top: 20px; padding-bottom: clamp(100px, 14vw, 190px); }
.features article { display: grid; grid-template-columns: 100px minmax(0, 520px); gap: 35px; align-items: start; width: min(78%, 720px); border: 0; padding: 32px 0; }
.features article:nth-child(2) { margin-left: auto; width: min(68%, 620px); }
.features article:nth-child(3) { margin: 10px auto 0; width: min(62%, 560px); }
.features article > span { font-size: clamp(3rem, 6vw, 5rem); line-height: 1; color: #a4a89f; }
.features article div { padding-top: 10px; }
.features h3 { font-size: clamp(22px, 2.6vw, 32px); margin-bottom: 10px; }
.features p { max-width: 430px; line-height: 2; }
.scenes { text-align: left; padding: clamp(90px, 11vw, 150px) max(11vw, 25px); background: #ded8ca; }
.scenes .label { max-width: 760px; margin: 0 auto 22px; }
.scenes-copy { max-width: 760px; margin: 0 auto; font: clamp(22px, 3.4vw, 42px) / 1.9 var(--serif); letter-spacing: 0.08em; }
.guide { grid-template-columns: minmax(300px, 0.8fr) minmax(420px, 1fr); align-items: start; gap: 12vw; }
.guide dl { background: rgba(255, 255, 255, 0.2); padding: clamp(28px, 4vw, 55px); transform: rotate(0.25deg); }
.guide dl div { border: 0; grid-template-columns: 130px 1fr; padding: 10px 0; }
.guide dt { color: #72756f; }
.guide .note { margin: 24px 0 0 7%; max-width: 520px; }
.faq { border: 0; position: relative; }
.faq-list { columns: 2; column-gap: clamp(35px, 6vw, 80px); }
.faq-list details { break-inside: avoid; border: 0; padding: 0 0 28px; margin-bottom: 22px; }
.faq-list details:last-child { border: 0; }
.faq-list summary { font-size: 16px; line-height: 1.8; border-bottom: 1px dotted #aaa697; padding: 0 34px 14px 0; }
.faq-list p { padding-top: 14px; line-height: 2; }
@media (max-width: 850px) {
  .experience .heading { margin-left: 0; }
  .steps::before { left: 12px; }
  .steps li, .steps li:nth-child(odd), .steps li:nth-child(even) { width: 100%; align-self: auto; text-align: left; flex-direction: row; margin: 0; padding: 17px 0 28px 38px; }
  .steps li::after, .steps li:nth-child(odd)::after, .steps li:nth-child(even)::after { left: 9px; right: auto; top: 27px; }
  .features article, .features article:nth-child(2), .features article:nth-child(3) { width: 100%; margin: 0; grid-template-columns: 70px 1fr; gap: 18px; }
  .features article > span { font-size: 3rem; }
  .guide { grid-template-columns: 1fr; }
  .guide dl { transform: none; }
  .faq-list { columns: 1; }
}