:root {
  --navy: #061d2c;
  --navy-deep: #03141f;
  --paper: #f7f8f8;
  --white: #fff;
  --ink: #173041;
  --muted: #65737d;
  --orange: #e87925;
  --green: #627f20;
  --line: rgba(255,255,255,.28);
  --shell: min(1240px, calc(100% - 72px));
  --serif: "Noto Serif JP", "Yu Mincho", serif;
  --sans: "Noto Sans JP", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); font-size: 16px; line-height: 1.8; -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
img { display: block; width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
h1, h2, h3, p, figure, dl, dd { margin: 0; }
h1, h2, h3 { font-family: var(--serif); font-weight: 400; }
h1[data-i18n], h2[data-i18n], h3[data-i18n], .villa dd[data-i18n] { white-space: pre-line; }
.shell { width: var(--shell); margin-inline: auto; }
.section { padding: 88px 0; }
.section-index { margin-bottom: 14px; color: #91a7b4; font: 500 12px/1.4 var(--sans); letter-spacing: .12em; }
.section-index.blue { color: #6f91bb; }
.section-index.green { color: #799545; }
.section-index.olive { color: #a2b256; }
.skip-link { position: fixed; z-index: 1000; left: 18px; top: -100px; padding: 10px 16px; background: #fff; color: #000; }
.skip-link:focus { top: 18px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.site-header { position: fixed; z-index: 100; inset: 0 0 auto; height: 76px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: 0 max(30px, calc((100vw - 1440px)/2 + 30px)); color: #fff; background: rgba(3,20,31,.92); border-bottom: 1px solid rgba(255,255,255,.08); backdrop-filter: blur(14px); transition: background .25s ease, height .25s ease; }
.site-header.is-scrolled { height: 66px; background: rgba(3,20,31,.98); }
.brand { display: inline-flex; align-items: center; gap: 10px; justify-self: start; font-size: 18px; font-weight: 600; letter-spacing: .08em; }
.brand img { width: 38px; height: 38px; object-fit: contain; }
.desktop-nav { display: flex; align-items: center; gap: 40px; font-size: 13px; letter-spacing: .08em; }
.desktop-nav a { position: relative; opacity: .82; transition: opacity .2s ease; }
.desktop-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -10px; height: 1px; background: var(--orange); transition: right .2s ease; }
.desktop-nav a:hover, .desktop-nav a:focus-visible { opacity: 1; }
.desktop-nav a:hover::after, .desktop-nav a:focus-visible::after { right: 0; }
.header-tools { justify-self: end; display: flex; align-items: center; gap: 24px; }
.language-switcher { display: flex; align-items: center; gap: 5px; color: rgba(255,255,255,.5); font-size: 10px; }
.language-switcher button, .mobile-languages button { padding: 5px 2px; border: 0; color: rgba(255,255,255,.56); background: none; cursor: pointer; }
.language-switcher button[aria-pressed="true"], .mobile-languages button[aria-pressed="true"] { color: #fff; }
.button { display: inline-flex; min-height: 42px; align-items: center; justify-content: center; padding: 8px 17px; border: 1px solid var(--orange); color: #fff; background: transparent; font-size: 13px; letter-spacing: .04em; cursor: pointer; transition: background .2s ease, color .2s ease; }
.button:hover, .button:focus-visible { color: #fff; background: var(--orange); }
.header-booking::after, .booking-button::after { content: "→"; margin-left: 10px; }
.menu-button, .mobile-menu { display: none; }

.hero { position: relative; min-height: 520px; height: min(62vw, 660px); display: grid; align-items: center; overflow: hidden; color: #fff; background: var(--navy); }
.hero-image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 45%; }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(4,25,39,.77) 0%, rgba(4,25,39,.37) 35%, rgba(4,25,39,0) 70%); }
.hero-copy { position: relative; z-index: 1; padding-top: 74px; }
.hero h1 { max-width: 720px; white-space: pre-line; font-size: clamp(42px, 4.2vw, 68px); line-height: 1.5; letter-spacing: .06em; text-shadow: 0 2px 18px rgba(0,0,0,.2); }
.hero-copy p { margin-top: 16px; font-family: var(--serif); font-size: 16px; letter-spacing: .08em; }
.image-note { position: absolute; right: 22px; bottom: 14px; z-index: 3; color: rgba(255,255,255,.68); font-size: 10px; text-shadow: 0 1px 4px rgba(0,0,0,.65); }

.location { position: relative; color: #fff; background: var(--navy); }
.location h2 { font-size: clamp(30px, 3vw, 46px); letter-spacing: .08em; }
.location h2::after { content: ""; display: block; width: 30px; height: 2px; margin-top: 18px; background: var(--orange); }
.location-rail { display: grid; grid-template-columns: repeat(4,1fr); margin-top: 42px; }
.location-rail > div { position: relative; display: grid; grid-template-columns: 52px 1fr auto; grid-template-rows: auto auto; gap: 2px 14px; align-items: center; min-height: 88px; padding: 8px 34px; border-left: 1px solid var(--line); }
.location-rail > div:first-child { border-left: 0; padding-left: 0; }
.location-rail p { grid-column: 2; grid-row: 1; font-family: var(--serif); font-size: 17px; letter-spacing: .06em; }
.location-rail strong { grid-column: 2; grid-row: 2; color: var(--orange); font: 500 25px/1 var(--serif); }
.location-rail small { grid-column: 3; grid-row: 2; justify-self: start; align-self: end; font-size: 10px; color: rgba(255,255,255,.7); }
.line-icon { grid-row: 1 / 3; width: 34px; height: 34px; border: 1.5px solid rgba(255,255,255,.76); transform: rotate(45deg); }
.line-icon.train { border-radius: 6px; transform: none; }
.line-icon.onsen { border-width: 0 0 2px 2px; border-radius: 50%; transform: rotate(-45deg); }
.line-icon.house { clip-path: polygon(50% 0,100% 45%,100% 100%,0 100%,0 45%); transform: none; }

.about { color: var(--ink); background: var(--paper); }
.about-grid { display: grid; grid-template-columns: 1.05fr 1.05fr .9fr; gap: 22px; align-items: stretch; }
.about-copy { padding: 12px 22px 12px 0; }
.about h2 { margin-bottom: 22px; font-size: clamp(30px, 3vw, 45px); letter-spacing: .08em; }
.about-copy > p:not(.section-index) { color: #4f616d; font-family: var(--serif); font-size: 17px; letter-spacing: .08em; }
.wordmark { display: block; margin-top: 34px; font: 500 30px/1 var(--serif); letter-spacing: .12em; }
.about-copy small { display: block; margin-top: 10px; color: #71808a; font-size: 10px; letter-spacing: .14em; }
.about-photo { min-height: 270px; overflow: hidden; }
.about-photo img { height: 100%; object-fit: cover; }

.villa { padding-bottom: 0; color: #fff; background: var(--navy); }
.villa-grid { display: grid; grid-template-columns: .85fr 1.25fr 1.25fr; gap: 16px; align-items: stretch; }
.villa-copy { padding: 32px 30px 32px 0; }
.villa h2 { font-size: clamp(31px, 3.1vw, 46px); line-height: 1.5; letter-spacing: .07em; }
.orange-rule { display: block; width: 30px; height: 2px; margin-top: 18px; background: var(--orange); }
.villa-photo { min-height: 285px; overflow: hidden; }
.villa-photo img { height: 100%; object-fit: cover; }
.fact-rail { display: grid; grid-template-columns: repeat(5,1fr); margin-top: 30px; }
.fact-rail > div { display: grid; grid-template-columns: auto 1fr; align-items: center; min-height: 82px; gap: 13px; padding: 13px 24px; border-left: 1px solid var(--line); }
.fact-rail > div:first-child { border-left: 0; padding-left: 0; }
.fact-rail dt { color: var(--orange); font: 500 28px/1 var(--serif); }
.fact-rail dd { color: rgba(255,255,255,.78); font-size: 11px; line-height: 1.5; }

.winter { position: relative; height: min(53vw, 560px); min-height: 420px; overflow: hidden; color: #fff; background: var(--navy); }
.winter > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.winter-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(4,23,35,.9) 0%, rgba(4,23,35,.54) 34%, rgba(4,23,35,0) 68%); }
.winter-copy { position: relative; z-index: 2; padding-top: 78px; }
.winter-copy > strong { display: block; margin: 6px 0 18px; color: var(--orange); font: 500 clamp(31px,3.4vw,50px)/1.2 var(--serif); letter-spacing: .08em; }
.winter h2 { font-size: clamp(29px,3vw,46px); letter-spacing: .06em; }
.winter-copy > p:last-child { margin-top: 22px; font-family: var(--serif); font-size: 15px; line-height: 2; }
.season-rail { display: grid; grid-template-columns: 1fr 1.2fr; color: #fff; background: var(--navy); }
.season-rail > div { position: relative; min-height: 115px; padding: 25px 6vw 22px 10vw; border-top: 1px solid var(--line); }
.season-rail > div + div { background: linear-gradient(90deg, #123849, #3c7089); }
.season-rail p { font-size: 10px; letter-spacing: .08em; }
.season-rail strong { display: block; font: 500 26px/1.3 var(--serif); letter-spacing: .08em; }
.season-rail small { display: block; margin-top: 4px; color: rgba(255,255,255,.75); font-size: 11px; }
.snowflake, .sun { position: absolute; left: 5.5vw; top: 37px; width: 28px; height: 28px; border: 1px solid currentColor; border-radius: 50%; color: #fff; }
.sun { color: var(--orange); }

.green-season { color: var(--ink); background: #f8f8f7; }
.green-grid { display: grid; grid-template-columns: .9fr 1.9fr; gap: 46px; align-items: center; }
.green h2 { font-size: clamp(40px,4vw,62px); letter-spacing: .12em; }
.green h3 { margin-top: 20px; font-size: clamp(20px,2vw,28px); letter-spacing: .06em; }
.green-copy > p:last-child { margin-top: 20px; color: var(--muted); font-size: 13px; }
.green-visual img { aspect-ratio: 2/1; object-fit: cover; }
.green-visual figcaption { display: grid; grid-template-columns: repeat(3,1fr); background: #0e2a36; color: #c5d562; }
.green-visual figcaption span { padding: 9px 12px; border-left: 1px solid rgba(255,255,255,.15); font-size: 10px; letter-spacing: .06em; }
.green-visual figcaption span:first-child { border-left: 0; }
.green-visual figcaption small { margin-left: 5px; color: #fff; font-size: 9px; }

.garden { padding: 54px 0; color: #fff; background: var(--navy); }
.garden-grid { display: grid; grid-template-columns: .95fr 1.15fr 1.15fr; gap: 16px; align-items: stretch; }
.garden-copy { padding: 12px 30px 12px 0; }
.garden h2 { font-size: clamp(29px,2.7vw,42px); letter-spacing: .07em; }
.garden-copy > p:not(.section-index) { margin-top: 17px; color: rgba(255,255,255,.76); font-family: var(--serif); font-size: 13px; }
.garden-copy > small { display: block; margin-top: 17px; color: var(--orange); font-size: 10px; }
.garden-photo { position: relative; min-height: 250px; overflow: hidden; }
.garden-photo img { height: 100%; object-fit: cover; }
.garden-photo:first-of-type img { object-position: center 55%; }
.garden-photo figcaption { position: absolute; inset: auto 0 0; padding: 10px 14px; color: #fff; background: linear-gradient(0deg, rgba(1,14,22,.78), transparent); font: 500 13px/1 var(--sans); letter-spacing: .12em; text-align: center; }

.rooms { color: var(--ink); background: #f7f8f9; }
.rooms-grid { display: grid; grid-template-columns: .75fr 1.5fr .65fr; gap: 28px; align-items: center; }
.rooms h2 { font-size: clamp(29px,2.7vw,42px); line-height: 1.55; letter-spacing: .06em; }
.rooms ul { margin: 22px 0 0; padding: 0; list-style: none; color: #5c6e78; font-size: 12px; }
.rooms li { margin: 8px 0; }
.rooms li::before { content: "✓"; margin-right: 9px; color: #4c83bb; }
.floorplan img { max-height: 390px; object-fit: contain; mix-blend-mode: multiply; }
.room-thumbs { display: grid; gap: 14px; }
.room-thumbs img { aspect-ratio: 4/3; object-fit: cover; }

.nearby { padding: 30px 0; color: var(--ink); background: #eef3f8; }
.nearby-row { display: grid; grid-template-columns: 1fr 2fr; gap: 40px; align-items: end; }
.nearby h2 { font-size: 25px; letter-spacing: .08em; }
.nearby dl { display: grid; grid-template-columns: repeat(4,1fr); }
.nearby dl > div { display: flex; align-items: center; justify-content: center; gap: 13px; min-height: 62px; border-left: 1px solid #b8c6d2; }
.nearby dt { font-family: var(--serif); font-size: 15px; }
.nearby dd { display: flex; align-items: baseline; gap: 3px; }
.nearby dd strong { color: var(--orange); font: 500 22px/1 var(--serif); }
.nearby dd small { color: #6d7f8b; font-size: 9px; }

.booking { position: relative; padding: 54px 0; color: #fff; background: var(--navy-deep); }
.booking-grid { display: grid; grid-template-columns: .8fr 1.6fr; gap: 48px; align-items: center; }
.booking h2 { font-size: clamp(31px,3vw,47px); line-height: 1.5; letter-spacing: .08em; }
.booking-copy > p:not(.section-index) { margin-top: 15px; color: rgba(255,255,255,.72); font-size: 12px; }
.booking-button { margin-top: 22px; color: #172834; background: #f8b54f; border-color: #f8b54f; }
.booking-button:hover { color: #fff; background: var(--orange); border-color: var(--orange); }
.booking-copy > small { display: block; margin-top: 8px; color: rgba(255,255,255,.58); font-size: 10px; }
.access-card { display: grid; grid-template-columns: 1.5fr .85fr; min-height: 235px; overflow: hidden; color: var(--ink); background: #f5f6f6; border-radius: 16px; }
.access-card > img { height: 100%; object-fit: cover; }
.access-card > div { padding: 28px 25px; }
.access-card strong { font: 500 24px/1.4 var(--serif); }
.access-card p { margin-top: 14px; color: #526671; font-size: 11px; line-height: 1.7; }

.site-footer { padding: 20px 0; color: #fff; background: var(--navy); }
.footer-row { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 20px; }
.footer-brand { display: flex; align-items: center; gap: 9px; letter-spacing: .1em; }
.footer-brand img { width: 35px; height: 35px; }
.footer-row p { color: rgba(255,255,255,.62); font-size: 10px; }
.footer-row p:last-child { justify-self: end; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
:focus-visible { outline: 2px solid #f9a45c; outline-offset: 4px; }

.lightbox { width: min(1000px, 92vw); padding: 0; border: 0; color: #fff; background: transparent; }
.lightbox::backdrop { background: rgba(0,10,16,.88); }
.lightbox img { max-height: 78vh; object-fit: contain; }
.lightbox button { position: fixed; top: 18px; right: 22px; border: 0; color: #fff; background: transparent; font-size: 38px; cursor: pointer; }
.lightbox p { margin-top: 10px; text-align: center; }

@media (max-width: 1080px) {
  :root { --shell: min(940px, calc(100% - 48px)); }
  .desktop-nav { gap: 23px; }
  .header-tools { gap: 14px; }
  .villa-grid, .garden-grid { grid-template-columns: .8fr 1.2fr 1.2fr; }
  .fact-rail > div { padding-inline: 14px; }
  .green-grid { grid-template-columns: 1fr 1.8fr; gap: 28px; }
}

@media (max-width: 820px) {
  :root { --shell: calc(100% - 40px); }
  .site-header { height: 66px; grid-template-columns: 1fr auto; padding-inline: 20px; backdrop-filter: none; }
  .desktop-nav, .header-tools { display: none; }
  .menu-button { display: grid; gap: 7px; width: 44px; height: 44px; padding: 13px 9px; border: 0; background: transparent; cursor: pointer; }
  .menu-button i { display: block; height: 1px; background: #fff; transition: transform .2s ease; }
  .menu-button[aria-expanded="true"] i:first-of-type { transform: translateY(4px) rotate(45deg); }
  .menu-button[aria-expanded="true"] i:last-of-type { transform: translateY(-4px) rotate(-45deg); }
  .mobile-menu { position: fixed; z-index: 99; inset: 66px 0 0; display: flex; flex-direction: column; gap: 0; padding: 22px 20px; color: #fff; background: #03141f; }
  .mobile-menu[hidden] { display: none; }
  .mobile-menu > a { padding: 17px 4px; border-bottom: 1px solid rgba(255,255,255,.13); font-family: var(--serif); }
  .mobile-languages { display: flex; gap: 24px; padding-top: 22px; }
  .hero { height: 650px; min-height: 0; }
  .hero-image { object-position: 63% center; }
  .hero-shade { background: linear-gradient(0deg, rgba(4,25,39,.87), rgba(4,25,39,.05) 72%); }
  .hero-copy { align-self: end; padding: 0 0 75px; }
  .hero h1 { font-size: clamp(36px,7vw,54px); }
  .location-rail { grid-template-columns: 1fr 1fr; }
  .location-rail > div { border-left: 0; border-top: 1px solid var(--line); padding: 18px 12px; }
  .location-rail > div:nth-child(even) { border-left: 1px solid var(--line); }
  .about-grid { grid-template-columns: 1fr 1fr; }
  .about-copy { grid-column: 1 / -1; }
  .villa-grid { grid-template-columns: 1fr 1fr; }
  .villa-copy { grid-column: 1 / -1; }
  .fact-rail { grid-template-columns: repeat(3,1fr); }
  .fact-rail > div:nth-child(4) { border-left: 0; }
  .winter { height: 530px; }
  .winter > img { object-position: 62% center; }
  .green-grid { grid-template-columns: 1fr; }
  .garden-grid { grid-template-columns: 1fr 1fr; }
  .garden-copy { grid-column: 1 / -1; }
  .rooms-grid { grid-template-columns: 1fr 1.5fr; }
  .room-thumbs { grid-column: 1 / -1; grid-template-columns: 1fr 1fr; }
  .nearby-row { grid-template-columns: 1fr; }
  .booking-grid { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  :root { --shell: calc(100% - 32px); }
  .section { padding: 72px 0; }
  .hero { height: 620px; }
  .hero h1 { font-size: 36px; line-height: 1.55; }
  .hero-copy p { font-size: 13px; }
  .image-note { right: 12px; bottom: 8px; max-width: 280px; text-align: right; }
  .location h2 { font-size: 29px; }
  .location-rail > div { grid-template-columns: 36px 1fr auto; gap: 2px 10px; }
  .location-rail p { font-size: 14px; }
  .line-icon { width: 25px; height: 25px; }
  .about-grid { grid-template-columns: 1fr; }
  .about-copy, .villa-copy, .garden-copy { padding-right: 0; }
  .about-photo { min-height: 220px; }
  .villa-grid { grid-template-columns: 1fr; }
  .villa-photo { min-height: 230px; }
  .fact-rail { grid-template-columns: 1fr 1fr; }
  .fact-rail > div:nth-child(3), .fact-rail > div:nth-child(5) { border-left: 0; }
  .fact-rail > div:nth-child(4) { border-left: 1px solid var(--line); }
  .winter { height: 590px; }
  .winter-shade { background: linear-gradient(0deg, rgba(4,23,35,.92), rgba(4,23,35,.1) 76%); }
  .winter-copy { position: absolute; inset: auto 0 55px; padding-top: 0; }
  .winter-copy > strong { font-size: 35px; }
  .winter h2 { font-size: 29px; }
  .winter-copy > p:last-child { font-size: 13px; }
  .season-rail { grid-template-columns: 1fr; }
  .season-rail > div { padding-left: 74px; }
  .snowflake, .sun { left: 25px; }
  .green h2 { font-size: 42px; }
  .green-visual img { aspect-ratio: 2 / 1; object-fit: cover; }
  .green-visual figcaption span { padding-inline: 5px; font-size: 8px; text-align: center; }
  .green-visual figcaption small { display: block; margin: 2px 0 0; }
  .garden-grid { grid-template-columns: 1fr; }
  .garden-photo { min-height: 240px; }
  .rooms-grid { grid-template-columns: 1fr; }
  .floorplan { margin-top: 18px; }
  .nearby dl { grid-template-columns: 1fr 1fr; }
  .nearby dl > div:nth-child(odd) { border-left: 0; }
  .nearby dl > div:nth-child(n+3) { border-top: 1px solid #b8c6d2; }
  .access-card { grid-template-columns: 1fr; }
  .access-card > img { height: 220px; }
  .footer-row { grid-template-columns: 1fr; text-align: center; }
  .footer-brand { justify-content: center; }
  .footer-row p:last-child { justify-self: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}
