@font-face {
  font-family: 'BBBKM Editorial';
  src: url('fonts/bbbkm-editorial.woff2') format('woff2');
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}
:root {
  --paper: #f7f6f2;
  --white: #fff;
  --ink: #1c1d1a;
  --muted: #62645d;
  --line: #d8d9d1;
  --red: #b63229;
  --wash: #eceee7;
  --serif: 'BBBKM Editorial', 'AppleMyungjo', 'Batang', Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body { margin: 0; color: var(--ink); background: var(--paper); font: 16px/1.8 var(--sans); word-break: keep-all; overflow-wrap: break-word; -webkit-font-smoothing: antialiased; }
html:lang(ja) { --serif: 'Hiragino Mincho ProN', 'Yu Mincho', serif; }
html:lang(zh-Hans) { --serif: 'Songti SC', 'STSong', serif; }
html:lang(zh-Hant) { --serif: 'Songti TC', 'PMingLiU', serif; }
html:lang(ja) body, html:lang(zh) body { word-break: normal; }
a { color: inherit; text-underline-offset: .25em; }
button, input { font: inherit; }
img, svg { display: block; max-width: 100%; }
img { height: auto; }
::selection { background: #e7c5bf; color: var(--ink); }
:focus-visible { outline: 3px solid var(--red); outline-offset: 5px; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { font-weight: 500; line-height: 1.25; }
.wrap { width: min(1160px, calc(100% - 96px)); margin-inline: auto; }
.skip { position: absolute; left: 16px; top: -100px; z-index: 100; padding: 12px 20px; background: var(--ink); color: white; }
.skip:focus { top: 8px; }
.site-header { border-bottom: 1px solid var(--line); }
.header-inner { min-height: 88px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: inline-flex; gap: 12px; align-items: center; text-decoration: none; white-space: nowrap; font-size: 26px; font-weight: 700; letter-spacing: -.06em; line-height: 1; }
.brand img { width: 34px; height: 34px; }
.nav { display: flex; align-items: center; gap: 28px; font-size: 13px; }
.nav a { display: inline-flex; align-items: center; min-height: 44px; text-decoration: none; }
.nav a:hover, .nav a[aria-current='page'] { color: var(--red); }
.nav .language-menu { position: relative; border: 0; margin: 0; }
.nav .language-menu summary { display: flex; align-items: center; gap: 6px; min-height: 44px; padding: 0 8px; border: 1px solid var(--line); border-radius: 3px; font-size: 12px; white-space: nowrap; }
.nav .language-menu summary::after { content: none; }
.nav .language-menu ul { position: absolute; z-index: 20; right: 0; top: 100%; min-width: 160px; margin: 6px 0 0; padding: 6px; list-style: none; background: var(--paper, #f7f6f2); border: 1px solid var(--line); border-radius: 4px; box-shadow: 0 8px 24px #0001; }
.nav .language-menu li { margin: 0; }
.nav .language-menu a { display: flex; padding: 0 12px; }
.nav .language-menu a:hover { background: #00000008; }
.nav .base-link { padding-left: 26px; border-left: 1px solid var(--line); color: var(--muted); letter-spacing: .02em; }
.eyebrow { display: flex; align-items: center; gap: 12px; color: var(--red); font-size: 11px; font-weight: 650; letter-spacing: .15em; text-transform: uppercase; }
.eyebrow::before { content: ''; width: 24px; height: 1px; background: currentColor; }
.hero { display: grid; grid-template-columns: 1.08fr 1fr; gap: 36px; align-items: center; min-height: 740px; padding-block: 64px 68px; }
.hero h1 { font-family: var(--serif); font-size: clamp(46px, 4.65vw, 66px); letter-spacing: -.065em; line-height: 1.4; margin: 26px 0 25px; }
.hero h1 em { font-style: normal; color: var(--red); }
.lead { max-width: 410px; font-size: 16px; line-height: 1.95; color: var(--muted); }
.actions { display: flex; align-items: center; flex-wrap: wrap; gap: 24px; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 22px; min-height: 52px; padding: 11px 22px; background: var(--ink); color: #fff; text-decoration: none; font-size: 13px; font-weight: 600; border: 1px solid var(--ink); transition: background .15s; }
.button:hover { background: #37392f; }
.button .arrow { font-size: 19px; line-height: 1; }
.text-link { font-size: 13px; text-decoration: none; border-bottom: 1px solid var(--ink); padding: 6px 0; }
.release { color: var(--muted); font-size: 11px; margin-top: 22px; display: flex; align-items: center; gap: 8px; }
.release::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: var(--red); }
.hero-art { position: relative; height: 610px; isolation: isolate; }
.art-paper { position: absolute; inset: 54px -14px 50px 24px; background: var(--wash); border-radius: 48% 48% 3px 3px; z-index: -1; }
.phone { --rim: 7px; --corner: 36px; position: relative; background: #151615; border: 2px solid #777971; border-radius: var(--corner); padding: var(--rim); box-shadow: inset 0 0 0 1px #050605, 0 2px 0 1px #b7b8b0, 0 22px 32px -18px #26292170; }
.phone img { border-radius: calc(var(--corner) - var(--rim) - 2px); width: 100%; }
.phone::before { content: ''; position: absolute; z-index: 1; top: calc(var(--rim) + 8px); left: 50%; transform: translateX(-50%); width: 27%; height: 2.6%; border-radius: 999px; background: #080908; box-shadow: inset -5px 0 0 #161b1c; pointer-events: none; }
.phone::after { content: ''; position: absolute; top: 29%; right: -5px; width: 3px; height: 10%; border-radius: 0 2px 2px 0; background: linear-gradient(#a8aaa3, #555750 20%, #777971 80%, #b8bab2); pointer-events: none; }
.hero-phone-main { width: 264px; position: absolute; left: 8px; top: 0; z-index: 2; transform: rotate(-4deg); }
.hero-phone-note { width: 231px; position: absolute; right: 0; top: 99px; transform: rotate(6deg); }
.art-label { position: absolute; left: 10px; bottom: -8px; font-size: 10px; letter-spacing: .06em; color: var(--muted); }
.chapter-strip { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--ink); border-bottom: 1px solid var(--line); }
.chapter-strip p { display: flex; gap: 22px; align-items: center; padding: 24px 0; font-size: 14px; }
.chapter-strip span { font-size: 10px; color: var(--red); font-variant-numeric: tabular-nums; }
.section { padding-block: 110px; }
.section-heading { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: end; margin-bottom: 58px; }
.section h2, .closing h2 { font-family: var(--serif); font-size: clamp(32px, 3.3vw, 44px); line-height: 1.5; letter-spacing: -.055em; margin-top: 18px; }
.section-heading > p { max-width: 390px; color: var(--muted); font-size: 15px; padding-bottom: 8px; }
.routine { display: grid; grid-template-columns: 1fr 1.04fr; gap: 88px; align-items: center; }
.record-visual { background: #e8ebe4; padding: 54px 42px 0; position: relative; min-height: 563px; overflow: hidden; }
.record-visual .phone { width: 268px; margin-inline: auto; margin-bottom: -100px; }
.visual-topline { position: absolute; top: 16px; left: 20px; font-size: 10px; color: var(--muted); letter-spacing: .06em; }
.steps { list-style: none; padding: 0; margin: 0; }
.steps li { display: grid; grid-template-columns: 32px 1fr; gap: 22px; border-top: 1px solid var(--line); padding: 27px 0; }
.steps li:last-child { border-bottom: 1px solid var(--line); }
.step-number { font-size: 11px; color: var(--red); padding-top: 5px; }
.steps h3 { font-size: 20px; margin-bottom: 13px; letter-spacing: -.04em; }
.steps p { color: var(--muted); font-size: 14px; line-height: 1.9; }
.screen-section { border-top: 1px solid var(--line); }
.gallery { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
.gallery-stage { background: #efeee8; padding: 30px 28px; overflow: hidden; }
.gallery-stage .phone { --rim: 6px; --corner: 32px; max-width: 240px; margin-inline: auto; }
.gallery figure:nth-child(2) .gallery-stage { background: #e9e4df; }
.gallery figure:nth-child(3) .gallery-stage { background: #e4e9e3; }
.gallery figcaption { display: flex; gap: 17px; margin-top: 21px; }
.gallery figcaption > span { color: var(--red); font-size: 10px; padding-top: 4px; }
.gallery h3 { font-size: 18px; letter-spacing: -.04em; }
.gallery figcaption p { font-size: 13px; color: var(--muted); margin-top: 7px; line-height: 1.8; }
.quiet-note { font-size: 11px; color: var(--muted); margin-top: 26px; }
.ownership { background: var(--ink); color: var(--paper); }
.ownership .eyebrow { color: #eca59c; }
.ownership .section-heading > p { color: #b9bdb1; }
.principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 38px; }
.principles article { border-top: 1px solid #5a5d53; padding-top: 24px; }
.principles h3 { font-family: var(--serif); font-size: 23px; margin-bottom: 18px; letter-spacing: -.04em; }
.principles p { color: #b9bdb1; font-size: 13px; line-height: 1.9; }
.ownership .text-link { display: inline-block; border-color: #7e8474; margin-top: 34px; }
.closing { padding-block: 90px; display: flex; justify-content: space-between; gap: 48px; align-items: center; }
.closing h2 { margin: 0 0 18px; font-size: 34px; }
.closing p { color: var(--muted); font-size: 14px; }
.site-footer { border-top: 1px solid var(--line); padding-block: 35px; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 24px; font-size: 11px; color: var(--muted); }
.footer-links { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-links a { display: inline-flex; align-items: center; min-height: 28px; text-decoration: none; }
.footer-links a:hover { color: var(--red); }
.document { max-width: 800px; padding-block: 64px 100px; }
.breadcrumb { font-size: 12px; color: var(--muted); margin-bottom: 36px; }
.breadcrumb a { text-decoration: none; }
.document h1 { font-family: var(--serif); font-size: clamp(34px, 4vw, 48px); letter-spacing: -.055em; line-height: 1.5; margin: 18px 0; }
.document .intro { font-size: 16px; color: var(--muted); line-height: 1.95; }
.document .meta { font-size: 12px; color: var(--muted); margin-top: 17px; }
.document section { margin-top: 50px; }
.document h2 { font-family: var(--serif); font-size: 26px; letter-spacing: -.04em; margin-bottom: 21px; }
.document section > p, .document li { font-size: 14px; line-height: 1.95; }
.document section > p + p { margin-top: 13px; }
.document ul { padding-left: 21px; }
.contact-box { border-block: 1px solid var(--ink); margin-top: 38px; padding: 28px 0; }
.contact-box p { color: var(--muted); font-size: 13px; margin-top: 10px; }
.email { font-size: clamp(18px, 3.3vw, 28px); text-decoration: none; letter-spacing: -.025em; overflow-wrap: anywhere; word-break: break-all; }
.email:hover { color: var(--red); }
.toc { border-block: 1px solid var(--line); padding: 21px 0; margin-top: 34px; display: flex; flex-wrap: wrap; gap: 11px 24px; font-size: 12px; }
.toc a { text-decoration: none; }
details { border-top: 1px solid var(--line); }
details:last-child { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; padding: 23px 30px 23px 0; position: relative; font-size: 16px; list-style: none; line-height: 1.65; }
summary::-webkit-details-marker { display: none; }
summary::after { content: '+'; position: absolute; right: 3px; top: 22px; color: var(--red); font-size: 21px; }
details[open] summary::after { content: '−'; }
.answer { padding: 0 24px 26px 0; font-size: 14px; color: var(--muted); }
.answer p + p { margin-top: 11px; }
.answer ol { padding-left: 22px; margin-bottom: 0; }
.callout { background: var(--wash); border-left: 2px solid var(--red); padding: 20px 24px; margin-top: 28px; font-size: 13px; }
.callout p + p { margin-top: 8px; }
.draft { background: #f3e8df; border-left: 2px solid #9a4a24; }
.data-table { width: 100%; border-collapse: collapse; font-size: 13px; line-height: 1.9; }
.data-table th, .data-table td { text-align: left; vertical-align: top; padding: 15px 12px 15px 0; border-bottom: 1px solid var(--line); }
.data-table th { font-weight: 600; border-top: 1px solid var(--ink); }
.data-table th:first-child, .data-table td:first-child { width: 26%; }
.data-table td:last-child, .data-table th:last-child { padding-right: 0; }
.document a:not(.button):hover { color: var(--red); }
:lang(en) { word-break: normal; }
html:lang(en) { --serif: Georgia, 'Times New Roman', serif; }
html:lang(en) .hero h1 { font-size: clamp(44px, 4.5vw, 64px); line-height: 1.16; letter-spacing: -.045em; }
html:lang(en) .section h2, html:lang(en) .closing h2, html:lang(en) .document h1 { line-height: 1.25; letter-spacing: -.035em; }
html:lang(en) .steps h3, html:lang(en) .gallery h3, html:lang(en) .principles h3, html:lang(en) .document h2 { letter-spacing: -.02em; }
html:lang(en) .chapter-strip p { line-height: 1.5; }
@media (min-width: 1440px) { .hero-art { margin-left: 15px; } }
@media (max-width: 1000px) {
  .wrap { width: calc(100% - 64px); }
  .hero { gap: 16px; min-height: 660px; }
  .hero h1 { font-size: 48px; }
  .hero-art { height: 530px; }
  .hero-phone-main { width: 225px; left: 0; }
  .hero-phone-note { width: 193px; top: 90px; }
  .routine { gap: 44px; }
  .gallery { gap: 18px; }
  .gallery-stage { padding-inline: 16px; }
  .nav { gap: 20px; }
  .nav .base-link { padding-left: 20px; }
}
@media (max-width: 760px) {
  html { scroll-padding-top: 24px; }
  .wrap { width: calc(100% - 40px); }
  .header-inner { min-height: 75px; gap: 15px; }
  .brand { font-size: 24px; gap: 9px; }
  .brand img { width: 30px; height: 30px; }
  .nav { gap: 17px; font-size: 12px; }
  .nav .base-link, .nav .desktop-link { display: none; }
  .nav .language-menu summary { padding-inline: 7px; }
  .hero { display: block; min-height: 0; padding-block: 47px 35px; }
  .hero h1 { font-size: clamp(40px, 8.9vw, 54px); margin-top: 24px; }
  .lead { font-size: 14px; max-width: 440px; }
  .actions { margin-top: 27px; gap: 22px; }
  .hero-art { max-width: 440px; margin: 50px auto 20px; height: 555px; }
  .hero-phone-main { width: 238px; left: 15px; }
  .hero-phone-note { width: 207px; right: 10px; top: 78px; }
  .art-paper { inset: 40px 0 45px 10px; }
  .art-label { left: 4px; bottom: -4px; font-size: 9px; }
  .chapter-strip { gap: 12px; }
  .chapter-strip p { padding: 18px 0; gap: 8px; font-size: 12px; }
  .chapter-strip span { font-size: 9px; }
  .section { padding-block: 70px; }
  .section-heading { display: block; margin-bottom: 34px; }
  .section-heading > p { margin-top: 24px; font-size: 14px; }
  .routine { grid-template-columns: 1fr; gap: 34px; }
  .record-visual { min-height: 470px; max-height: 470px; padding-top: 48px; }
  .record-visual .phone { width: 250px; }
  .steps li { padding-block: 23px; }
  .steps h3 { font-size: 19px; }
  .gallery { grid-template-columns: 1fr; gap: 38px; }
  .gallery-stage { padding: 30px 34px; }
  .gallery-stage .phone { max-width: 260px; }
  .principles { grid-template-columns: 1fr; gap: 28px; }
  .principles article { padding-top: 23px; }
  .principles h3 { font-size: 22px; margin-bottom: 12px; }
  .closing { display: block; padding-block: 64px; }
  .closing h2 { font-size: 30px; }
  .closing .button { margin-top: 28px; }
  .footer-inner { display: block; }
  .footer-links { margin-bottom: 20px; gap: 20px; }
  .document { padding-block: 38px 65px; }
  .document h1 { font-size: 33px; }
  .document .intro { font-size: 14px; }
  .document section { margin-top: 40px; }
  .document h2 { font-size: 24px; }
  .data-table { font-size: 12px; }
  .data-table th:first-child, .data-table td:first-child { width: 29%; }
  .callout { padding: 17px 18px; }
}
@media (max-width: 380px) {
  .hero-phone-main { width: 208px; left: 7px; }
  .hero-phone-note { width: 178px; right: 4px; top: 90px; }
  .hero-art { height: 495px; }
  .header-inner { gap: 10px; }
  .nav { gap: 10px; }
  .nav .language-menu summary { padding-inline: 5px; font-size: 11px; }
  .chapter-strip p { font-size: 11px; gap: 6px; }
  .hero h1 { font-size: 38px; }
  html:lang(en) .hero h1 { font-size: 38px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}
@media print {
  .site-header, .site-footer, .skip, .toc { display: none; }
  body { background: white; color: black; }
  .wrap { width: 100%; }
  .document { padding: 0; max-width: none; }
}