@font-face {
  font-family: Inter;
  src: url('./assets/fonts/Inter-Regular.ttf') format('truetype');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: Inter;
  src: url('./assets/fonts/Inter-Medium.ttf') format('truetype');
  font-weight: 500 700;
  font-display: swap;
}
:root {
  color-scheme: light;
  --ivory: #f7f3ea;
  --paper: #faf6ee;
  --teal: #064b4e;
  --muted: #77766e;
  --line: #d6cfc0;
  --display: 'Songti SC', 'STSong', 'Noto Serif CJK SC', 'Source Han Serif SC', 'Yu Mincho', Georgia, serif;
  --body: Inter, -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 36px; }
body { margin: 0; background: var(--ivory); color: var(--teal); font-family: var(--body); font-size: 16px; -webkit-font-smoothing: antialiased; }
button, select { font: inherit; }
button, a, select { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
h1, h2, p { margin: 0; }
a:focus-visible, button:focus-visible, select:focus-visible, [tabindex='0']:focus-visible { outline: 3px solid #b77d30; outline-offset: 6px; }
.container { width: min(100% - 144px, 1256px); margin-inline: auto; }
.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; }
.skip-link { position: fixed; inset: 12px auto auto 12px; z-index: 20; padding: 12px 18px; background: var(--ivory); color: var(--teal); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.site-header { position: absolute; inset: 0 0 auto; z-index: 3; color: #fff8e9; }
.header-inner { min-height: 122px; display: flex; gap: 30px; align-items: center; }
.brand { display: inline-flex; flex-shrink: 0; align-items: center; gap: 15px; }
.brand-icon { width: 62px; height: 62px; border-radius: 50%; }
.brand-wordmark { display: flex; flex-direction: column; gap: 6px; }
.brand-wordmark strong { font-size: 31px; letter-spacing: .14em; font-weight: 500; line-height: 1.25; }
.brand-wordmark > span { font-size: 10px; letter-spacing: .39em; line-height: 1.3; }
.main-nav { display: flex; align-items: center; gap: 44px; margin-left: auto; }
.main-nav a { padding-block: 14px; font-size: 19px; letter-spacing: .05em; white-space: nowrap; }
.main-nav a:hover { text-decoration: underline; text-underline-offset: 7px; }
.header-actions { display: flex; align-items: center; gap: 38px; margin-left: 22px; }
.language-control select { max-width: 105px; border: 0; border-radius: 0; padding: 8px 3px; background: transparent; color: inherit; cursor: pointer; font-size: 16px; }
.language-control option { color: var(--teal); background: var(--ivory); }
.button { display: inline-flex; min-height: 68px; min-width: 254px; padding: 16px 35px; align-items: center; justify-content: center; border: 1px solid transparent; border-radius: 99px; font-size: 27px; font-weight: 500; letter-spacing: .06em; line-height: 1.4; transition: background-color .2s, color .2s, transform .2s; }
.button:hover { transform: translateY(-2px); }
.button:active { transform: translateY(0); }
.button-ivory { background: #fcf3df; color: var(--teal); }
.button-ivory:hover { background: #fffaf0; }
.button-teal { background: var(--teal); color: #fff9ec; }
.button-teal:hover { background: #0c6062; }
.header-download { min-height: 54px; min-width: 170px; padding: 11px 25px; font-size: 20px; }
.hero { position: relative; min-height: 940px; overflow: clip; background: #4b4a30; color: #fff8eb; isolation: isolate; }
.hero-background { position: absolute; z-index: -3; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero-shade { position: absolute; z-index: -2; inset: 0; background: rgba(21, 26, 15, .16); }
.hero-layout { display: grid; grid-template-columns: 1.48fr 1fr; gap: 30px; min-height: 940px; align-items: center; padding-top: 110px; padding-bottom: 48px; }
.hero-copy { z-index: 1; padding-top: 65px; padding-bottom: 0; }
h1 { font-family: var(--display); font-weight: 500; font-size: clamp(55px, 5.85vw, 84px); line-height: 1.43; letter-spacing: .025em; }
h1 > span { display: block; white-space: nowrap; }
.hero-subtitle { margin-top: 25px; font-family: var(--display); font-size: 29px; line-height: 1.75; letter-spacing: .14em; }
.hero-actions { display: flex; align-items: center; gap: 48px; margin-top: 57px; }
.text-link { display: inline-flex; align-items: center; gap: 20px; font-size: 22px; letter-spacing: .05em; white-space: nowrap; }
.text-link img { filter: brightness(0) invert(1); transition: transform .2s; }
.text-link:hover img { transform: translateX(5px); }
.platform-note { margin-top: 22px; font-size: 13px; line-height: 1.7; color: #f4e9d1; letter-spacing: .06em; }
.hero-product { display: flex; align-items: center; justify-content: flex-end; }
.phone-image { width: min(100%, 433px); height: auto; max-height: 757px; object-fit: contain; }
.scenes-section { padding-top: 84px; padding-bottom: 75px; }
.section-kicker { margin-bottom: 16px; color: #818273; font-size: 13px; letter-spacing: .18em; }
h2 { font-family: var(--display); font-size: 63px; line-height: 1.5; font-weight: 600; letter-spacing: .025em; }
.scene-layout { display: grid; grid-template-columns: 1.8fr 1fr; gap: 64px; align-items: center; margin-top: 46px; }
.scene-visual { position: relative; overflow: hidden; border-radius: 16px; background: #a08c63; }
.scene-visual > img { width: 100%; height: 407px; object-fit: cover; object-position: center; }
.scene-caption { position: absolute; inset: auto auto 18px 22px; color: #fff9eb; background: rgba(29, 38, 23, .48); padding: 8px 12px; border-radius: 3px; font-size: 11px; letter-spacing: .15em; }
.scene-tabs { display: flex; flex-direction: column; }
.scene-tab { display: flex; width: 100%; position: relative; align-items: baseline; margin: 0; padding: 22px 0 22px 33px; border: 0; background: transparent; color: #85837b; font-family: var(--display); font-size: 42px; line-height: 1.3; text-align: left; cursor: pointer; transition: color .2s; }
.scene-tab::before { position: absolute; inset: 28px auto 28px 0; width: 4px; border-radius: 2px; content: ''; background: transparent; }
.scene-tab::after { position: absolute; inset: auto 0 0 33px; height: 1px; background: var(--line); content: ''; }
.scene-tab.is-active { color: var(--teal); }
.scene-tab.is-active::before { background: var(--teal); }
.scene-tab:hover { color: var(--teal); }
.scene-tab > img { width: 24px; align-self: center; margin-left: auto; opacity: 0; }
.scene-tab.is-active > img { opacity: 1; }
.scene-english { white-space: pre; }
.scene-description { min-height: 56px; padding: 25px 0 0 33px; color: #535f53; font-size: 16px; line-height: 1.9; }
.scene-footnote { padding-left: 33px; color: var(--muted); margin-top: 9px; font-size: 14px; line-height: 1.8; letter-spacing: .04em; }
.experience-section { position: relative; overflow: clip; padding: 13px 0 60px; isolation: isolate; }
.botanical-image { position: absolute; z-index: -1; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: right 20%; opacity: .33; pointer-events: none; }
.experience-content { text-align: center; }
.brand-divider { display: flex; align-items: center; justify-content: center; gap: 32px; margin-bottom: 25px; }
.brand-divider > span { width: 117px; height: 1px; background: #c7bca6; }
.brand-divider > img { width: 94px; height: 45px; object-fit: contain; }
.experience-section h2 { font-size: 68px; letter-spacing: .08em; }
.experience-lead { margin-top: 17px; color: #696b61; font-size: 20px; line-height: 1.8; letter-spacing: .09em; }
.feature-notes { display: flex; justify-content: center; gap: 75px; margin: 32px auto 37px; }
.feature-notes > p { display: flex; flex-direction: column; gap: 8px; }
.feature-notes strong { font-size: 16px; font-weight: 500; }
.feature-notes span { color: #76766c; font-size: 13px; line-height: 1.7; }
.experience-section .button { min-width: 560px; min-height: 76px; margin-top: 41px; font-size: 29px; }
.download-note { display: block; margin-top: 13px; font-size: 12px; color: #75796f; letter-spacing: .06em; }
.site-footer { background: var(--ivory); }
.footer-main { display: flex; justify-content: space-between; gap: 24px; align-items: center; border-top: 1px solid #ccc4b3; padding: 33px 0; }
.footer-brand .brand-wordmark { flex-direction: row; align-items: baseline; gap: 20px; }
.footer-brand .brand-wordmark strong { font-size: 21px; letter-spacing: .08em; }
.footer-brand .brand-wordmark > span { font-size: 10px; }
.company-name { font-size: 15px; line-height: 1.8; color: #59645a; }
.footer-registration { padding: 0 0 25px; text-align: center; }
.copyright { margin-bottom: 8px; font-size: 11px; color: #777b71; line-height: 1.8; }
.icp-link { display: inline-block; font-size: 13px; padding: 6px 10px; color: #58665b; line-height: 1.6; text-underline-offset: 4px; }
.icp-link:hover { color: var(--teal); text-decoration: underline; }
html[lang='en'] h1 { font-size: clamp(48px, 4.9vw, 70px); letter-spacing: -.025em; }
html[lang='en'] h1 > span { white-space: normal; }
html[lang='en'] .hero-subtitle { font-size: 23px; letter-spacing: .01em; }
html[lang='en'] .experience-section h2 { letter-spacing: .01em; }
html[lang='en'] .scene-tab { font-size: 29px; }
html[lang='en'] .scene-tab .scene-english { display: none; }
html[lang='ja'] h1 { font-size: clamp(40px, 4.3vw, 62px); }
html[lang='ja'] .hero-subtitle { letter-spacing: .02em; }
html[lang='ja'] h2 { font-size: 43px; }
@media (min-width: 1600px) { .hero-layout, .hero { min-height: 970px; } }
@media (max-width: 1180px) {
  .container { width: calc(100% - 88px); }
  .header-inner { min-height: 104px; gap: 20px; }
  .brand-icon { width: 45px; height: 45px; }
  .brand-wordmark strong { font-size: 23px; }
  .brand-wordmark > span { font-size: 8px; }
  .main-nav { gap: 25px; }
  .main-nav a { font-size: 15px; }
  .header-actions { gap: 22px; margin-left: 0; }
  .header-download { min-width: 140px; font-size: 17px; }
  .hero, .hero-layout { min-height: 810px; }
  .hero-layout { grid-template-columns: 1.45fr 1fr; padding-top: 100px; }
  h1 { font-size: 56px; }
  .hero-subtitle { font-size: 24px; }
  .hero-actions { gap: 28px; }
  .hero-download { min-width: 210px; min-height: 65px; font-size: 24px; }
  .text-link { font-size: 19px; gap: 14px; }
  .scene-layout { gap: 37px; grid-template-columns: 1.65fr 1fr; }
  .scene-visual > img { height: 345px; }
  h2 { font-size: 42px; }
  .scene-tab { font-size: 29px; padding-block: 21px; }
  .scene-tab::before { top: 22px; bottom: 22px; }
  .scene-description { font-size: 15px; }
  .scene-footnote { font-size: 12px; }
}
@media (max-width: 900px) {
  .container { width: calc(100% - 64px); }
  .header-inner { gap: 12px; }
  .main-nav { gap: 20px; }
  .header-actions { gap: 14px; }
  .header-download { min-width: 122px; font-size: 15px; padding-inline: 19px; }
  .language-control select { font-size: 14px; max-width: 83px; }
  .hero, .hero-layout { min-height: 760px; }
  .hero-layout { gap: 12px; grid-template-columns: 1.5fr 1fr; }
  h1 { font-size: 44px; }
  .hero-subtitle { font-size: 21px; }
  .hero-actions { gap: 26px; }
  .hero-download { min-width: 180px; min-height: 58px; font-size: 20px; }
  .text-link { font-size: 17px; gap: 9px; }
  .text-link img { width: 25px; }
  .platform-note { font-size: 11px; }
  .scenes-section { padding-top: 65px; padding-bottom: 60px; }
  h2 { font-size: 36px; }
  .scene-layout { gap: 26px; grid-template-columns: 1.4fr 1fr; }
  .scene-tab { padding-left: 20px; font-size: 26px; }
  .scene-tab::after { left: 20px; }
  .scene-visual > img { height: 315px; }
  .scene-description, .scene-footnote { padding-left: 20px; }
  .scene-footnote { max-width: 220px; }
  .experience-section h2 { font-size: 48px; }
  .experience-lead { font-size: 17px; }
  .feature-notes { gap: 35px; }
  .company-name { font-size: 13px; }
  .footer-brand .brand-wordmark { gap: 10px; }
  .footer-brand .brand-wordmark > span { font-size: 8px; }
  html[lang='en'] .main-nav a { font-size: 13px; }
  html[lang='en'] h1 { font-size: 44px; }
  html[lang='ja'] h1 { font-size: 36px; }
}
@media (max-width: 680px) {
  html { scroll-padding-top: 22px; }
  .container { width: calc(100% - 44px); }
  .header-inner { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-content: center; min-height: 126px; gap: 10px 20px; padding-block: 18px; }
  .brand { gap: 10px; }
  .brand-icon { width: 39px; height: 39px; }
  .brand-wordmark strong { font-size: 21px; letter-spacing: .09em; }
  .brand-wordmark > span { font-size: 7px; letter-spacing: .3em; }
  .main-nav { grid-column: 1 / -1; grid-row: 2; width: calc(100% - 95px); margin: 0; gap: 23px; }
  .main-nav a { font-size: 12px; padding: 7px 0; }
  .header-actions { display: contents; }
  .language-control { grid-column: 2; grid-row: 2; justify-self: end; }
  .language-control select { max-width: 108px; font-size: 12px; padding: 5px; }
  .header-download { grid-column: 2; grid-row: 1; min-width: 111px; min-height: 43px; font-size: 15px; padding: 9px 16px; white-space: nowrap; }
  .hero { min-height: 1050px; }
  .hero-background { object-position: 56% center; }
  .hero-shade { background: rgba(21, 26, 15, .36); }
  .hero-layout { display: flex; min-height: 1050px; flex-direction: column; gap: 20px; padding-top: 167px; padding-bottom: 22px; }
  .hero-copy { align-self: stretch; padding-top: 0; padding-bottom: 0; }
  h1 { font-size: clamp(30px, 8.7vw, 46px); line-height: 1.55; letter-spacing: .015em; }
  .hero-subtitle { margin-top: 20px; font-size: 19px; letter-spacing: .09em; }
  .hero-actions { margin-top: 30px; gap: 29px; }
  .hero-download { min-width: 166px; min-height: 56px; padding: 12px 23px; font-size: 21px; }
  .text-link { font-size: 16px; gap: 13px; }
  .platform-note { margin-top: 15px; font-size: 10px; }
  .hero-product { flex: 1; width: 100%; justify-content: center; }
  .phone-image { width: 278px; max-height: none; }
  .scenes-section { padding-top: 50px; padding-bottom: 45px; }
  .section-kicker { font-size: 10px; letter-spacing: .13em; margin-bottom: 12px; }
  h2 { font-size: 29px; line-height: 1.6; letter-spacing: .015em; text-wrap: balance; }
  .scene-layout { grid-template-columns: 1fr; gap: 17px; margin-top: 25px; }
  .scene-visual { border-radius: 12px; }
  .scene-visual > img { height: 231px; }
  .scene-caption { font-size: 9px; left: 14px; bottom: 14px; padding: 7px 10px; }
  .scene-tab { padding: 18px 8px 18px 23px; font-size: 27px; }
  .scene-tab::before { top: 22px; bottom: 22px; width: 3px; }
  .scene-tab::after { left: 23px; }
  .scene-description { padding: 20px 0 0 23px; min-height: 48px; font-size: 15px; }
  .scene-footnote { max-width: none; padding-left: 23px; font-size: 12px; margin-top: 4px; }
  .experience-section { padding-bottom: 44px; }
  .botanical-image { object-position: right 24%; opacity: .27; }
  .brand-divider { gap: 23px; margin-bottom: 25px; }
  .brand-divider > span { width: 57px; }
  .brand-divider > img { width: 71px; height: 36px; }
  .experience-section h2 { font-size: 36px; letter-spacing: .06em; }
  .experience-lead { font-size: 14px; letter-spacing: .015em; line-height: 2; margin-top: 11px; }
  .feature-notes { gap: 22px; margin: 26px auto 30px; text-align: left; }
  .feature-notes > p { flex: 1; }
  .feature-notes strong { font-size: 14px; }
  .feature-notes span { font-size: 11px; line-height: 1.8; }
  .experience-section .button { min-width: min(100%, 290px); min-height: 61px; margin-top: 29px; font-size: 23px; }
  .download-note { font-size: 10px; }
  .footer-main { flex-direction: column; gap: 19px; align-items: center; padding: 26px 0 22px; }
  .footer-brand .brand-wordmark { gap: 17px; }
  .footer-brand .brand-wordmark strong { font-size: 19px; }
  .footer-brand .brand-wordmark > span { font-size: 8px; }
  .company-name { font-size: 12px; text-align: center; }
  .footer-registration { padding-bottom: 23px; }
  .copyright { font-size: 10px; }
  .icp-link { font-size: 12px; }
  html[lang='en'] h1 { font-size: 42px; }
  html[lang='en'] .hero-subtitle { font-size: 17px; }
  html[lang='en'] .hero-download { min-width: 180px; font-size: 17px; }
  html[lang='en'] .hero-actions { gap: 21px; }
  html[lang='en'] .text-link { font-size: 13px; gap: 7px; }
  html[lang='en'] .main-nav a { font-size: 11px; }
  html[lang='en'] .main-nav { gap: 20px; }
  html[lang='en'] h2 { font-size: 30px; }
  html[lang='en'] .experience-section h2 { font-size: 35px; }
  html[lang='ja'] h1 { font-size: 28px; }
  html[lang='ja'] .hero-subtitle { font-size: 17px; }
  html[lang='ja'] h2 { font-size: 27px; }
  html[lang='ja'] .experience-section h2 { font-size: 32px; }
}
@media (max-width: 360px) {
  .container { width: calc(100% - 36px); }
  .header-inner { gap: 10px 12px; }
  .brand-icon { width: 33px; height: 33px; }
  .brand-wordmark strong { font-size: 19px; }
  .header-download { min-width: 98px; font-size: 13px; }
  .main-nav { margin-left: 0; gap: 16px; }
  .hero-download { min-width: 148px; font-size: 19px; }
  .hero-actions { gap: 22px; }
  .hero-subtitle { font-size: 17px; }
  .text-link { font-size: 14px; gap: 9px; }
  .phone-image { width: 260px; }
  html[lang='en'] .hero-actions { gap: 15px; flex-wrap: wrap; }
  html[lang='en'] .hero-download { min-width: 155px; padding-inline: 15px; }
  html[lang='en'] .text-link { font-size: 11px; gap: 5px; }
  html[lang='en'] .main-nav a { font-size: 10px; }
  html[lang='ja'] .main-nav a { font-size: 11px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}
