:root {
  --paper: #f7f3ea;
  --paper-deep: #efe7d8;
  --ink: #1f1f1f;
  --body: #45413c;
  --muted: #716a61;
  --brand: #9a4e2e;
  --brand-dark: #743821;
  --gold: #b08a4a;
  --line: #e6d8c5;
  --white: #fffdf8;
  --content: min(1180px, calc(100% - 40px));
  --serif: "Songti SC", "STSong", "Noto Serif CJK SC", "Source Han Serif SC", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 8%, rgba(176, 138, 74, .08), transparent 24rem),
    linear-gradient(rgba(247, 243, 234, .96), rgba(247, 243, 234, .96)),
    repeating-linear-gradient(0deg, rgba(31, 31, 31, .035) 0, rgba(31, 31, 31, .035) 1px, transparent 1px, transparent 4px);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration-color: rgba(154, 78, 46, .45); text-underline-offset: .22em; }
button, input, select, textarea { font: inherit; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  color: var(--white);
  background: var(--brand-dark);
  transform: translateY(calc(-100% - 24px));
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: relative;
  z-index: 20;
  border-bottom: 1px solid rgba(154, 78, 46, .18);
}
.site-header__inner {
  width: var(--content);
  min-height: 86px;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.brand { display: inline-flex; align-items: center; gap: 13px; text-decoration: none; flex: 0 0 auto; }
.brand__name { font: 700 24px/1 var(--serif); letter-spacing: .12em; color: var(--brand); }
.brand__role { padding-left: 13px; border-left: 1px solid var(--line); color: var(--muted); font-size: 12px; letter-spacing: .13em; }
.site-nav { display: flex; align-items: center; gap: clamp(18px, 2.2vw, 34px); }
.site-nav a { position: relative; color: var(--body); font-size: 14px; text-decoration: none; white-space: nowrap; }
.site-nav a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -6px; height: 1px; background: var(--brand); transition: right .2s ease; }
.site-nav a:not(.nav-cta):hover::after { right: 0; }
.site-nav a[aria-current="page"] { color: var(--brand); }
.site-nav a[aria-current="page"]:not(.nav-cta)::after { right: 0; }
.nav-cta { padding: 8px 15px; border: 1px solid var(--brand); color: var(--brand) !important; }
.nav-cta:hover { color: var(--white) !important; background: var(--brand); }
.menu-toggle { display: none; border: 0; padding: 8px 0; color: var(--ink); background: none; cursor: pointer; }

.hero {
  width: var(--content);
  min-height: 680px;
  margin: auto;
  padding: clamp(62px, 7vw, 102px) 0 84px;
  display: grid;
  grid-template-columns: 1.3fr .7fr;
  align-items: center;
  gap: clamp(52px, 8vw, 110px);
}
.hero__content { position: relative; }
.eyebrow, .section-kicker { margin: 0 0 18px; color: var(--brand); font-size: 12px; font-weight: 650; letter-spacing: .19em; text-transform: uppercase; }
.eyebrow { display: flex; align-items: center; gap: 14px; }
.eyebrow span { padding: 3px 9px; color: var(--white); background: var(--brand); letter-spacing: .12em; }
.hero h1, .section h2, .consultation h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.28;
  letter-spacing: .025em;
}
.hero h1 { max-width: 680px; font-size: clamp(44px, 5.2vw, 72px); }
.hero h1 span { position: relative; color: var(--brand); white-space: nowrap; }
.hero h1 span::after { content: ""; position: absolute; right: .02em; bottom: -.04em; width: 2.45em; height: 8px; border-bottom: 2px solid var(--gold); border-radius: 50%; transform: rotate(-2deg); }
.hero__lead { max-width: 660px; margin: 28px 0 0; color: var(--body); font-size: clamp(16px, 1.4vw, 18px); line-height: 1.9; }
.hero__actions { margin-top: 36px; display: flex; align-items: center; gap: 28px; }
.button {
  display: inline-flex;
  min-height: 50px;
  padding: 10px 24px;
  align-items: center;
  justify-content: center;
  color: var(--white);
  background: var(--brand);
  border: 1px solid var(--brand);
  box-shadow: 5px 5px 0 rgba(176, 138, 74, .2);
  font-weight: 650;
  text-decoration: none;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.button:hover { background: var(--brand-dark); transform: translate(-2px, -2px); box-shadow: 7px 7px 0 rgba(176, 138, 74, .24); }
.text-link { display: inline-flex; align-items: center; gap: 9px; color: var(--brand); font-size: 14px; font-weight: 650; text-decoration: none; }
.text-link span { transition: transform .18s ease; }
.text-link:hover span { transform: translateX(4px); }
.hero__principles { margin: 48px 0 0; padding: 15px 0 0; display: flex; gap: 0; border-top: 1px solid var(--line); list-style: none; }
.hero__principles li { color: var(--muted); font-family: var(--serif); font-size: 14px; letter-spacing: .18em; }
.hero__principles li:not(:last-child)::after { content: "·"; margin: 0 13px; color: var(--gold); }

.portrait-card { width: min(100%, 400px); margin: 0 auto; }
.portrait-card__frame { position: relative; padding: 12px; border: 1px solid var(--gold); background: rgba(255, 253, 248, .55); }
.portrait-card__frame::before, .portrait-card__frame::after { content: ""; position: absolute; z-index: -1; border: 1px solid var(--line); }
.portrait-card__frame::before { inset: -12px 14px 12px -12px; }
.portrait-card__frame::after { inset: 16px -13px -13px 13px; }
.portrait-card img { width: 100%; aspect-ratio: 1; object-fit: cover; object-position: 50% 38%; filter: saturate(.82) contrast(1.02); }
.portrait-card__seal {
  position: absolute;
  right: -24px;
  bottom: -24px;
  width: 66px;
  height: 66px;
  display: grid;
  place-content: center;
  color: var(--white);
  background: var(--brand);
  border: 3px double rgba(255, 253, 248, .72);
  font: 600 16px/1.2 var(--serif);
  letter-spacing: .12em;
  text-align: center;
  transform: rotate(4deg);
}
.portrait-card figcaption { margin-top: 28px; display: flex; align-items: baseline; gap: 14px; }
.portrait-card figcaption strong { font: 600 24px/1 var(--serif); letter-spacing: .12em; }
.portrait-card figcaption span { color: var(--muted); font-size: 12px; }

.section { width: var(--content); margin: auto; padding: 110px 0; border-top: 1px solid var(--line); }
.section-heading { margin-bottom: 48px; display: grid; grid-template-columns: 1.15fr .85fr; align-items: end; gap: 60px; }
.section-heading h2, .method h2, .about h2, .consultation h2 { font-size: clamp(34px, 4vw, 52px); }
.section-heading > p { max-width: 440px; margin: 0 0 3px; color: var(--body); }
.card-grid { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); }
.scenario-card { min-height: 274px; padding: 30px 26px; background: rgba(255, 253, 248, .35); }
.scenario-card + .scenario-card { border-left: 1px solid var(--line); }
.scenario-card > span { color: var(--gold); font: 500 13px/1 var(--serif); }
.scenario-card h3 { margin: 50px 0 15px; font: 600 23px/1.35 var(--serif); }
.scenario-card p { margin: 0; color: var(--body); font-size: 14px; }
.section-more { margin: 26px 0 0; text-align: right; }

.method { display: grid; grid-template-columns: .78fr 1.22fr; gap: 90px; }
.method__intro > p:not(.section-kicker) { max-width: 380px; margin: 26px 0 26px; color: var(--body); }
.method-list { margin: 0; padding: 0; border-top: 1px solid var(--line); list-style: none; counter-reset: steps; }
.method-list li { padding: 24px 0; display: grid; grid-template-columns: 42px 1fr; gap: 17px; border-bottom: 1px solid var(--line); }
.method-list li > span { width: 34px; height: 34px; display: grid; place-items: center; border: 1px solid var(--gold); color: var(--brand); font: 500 14px/1 var(--serif); transform: rotate(45deg); }
.method-list li > span::first-line { transform: rotate(-45deg); }
.method-list strong { font: 600 20px/1.4 var(--serif); }
.method-list p { margin: 5px 0 0; color: var(--body); font-size: 14px; }
.method__note { grid-column: 2; margin: -56px 0 0 60px; padding-left: 15px; border-left: 2px solid var(--gold); color: var(--muted); font-size: 12px; }

.about { display: grid; grid-template-columns: .7fr 1.3fr; align-items: center; gap: 95px; }
.about__mark { position: relative; min-height: 330px; display: grid; place-items: center; border: 1px solid var(--line); background: rgba(239, 231, 216, .45); }
.about__mark::before, .about__mark::after { content: ""; position: absolute; border: 1px solid var(--line); border-radius: 50%; }
.about__mark::before { width: 230px; height: 230px; }
.about__mark::after { width: 168px; height: 168px; border-color: var(--gold); }
.about__mark span { z-index: 1; color: var(--brand); font: 600 46px/1 var(--serif); letter-spacing: .16em; writing-mode: vertical-rl; }
.about__mark i { position: absolute; width: 1px; height: 88%; background: var(--line); transform: rotate(45deg); }
.about__content > p:not(.section-kicker) { max-width: 620px; margin: 25px 0; color: var(--body); font-size: 17px; }
.about__content .boundary-note { padding: 15px 18px; background: rgba(230, 216, 197, .38); color: var(--muted) !important; font-size: 13px !important; }

.section-heading--compact { grid-template-columns: 1fr auto; }
.notes-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.notes-grid article { min-height: 310px; padding: 28px; display: flex; flex-direction: column; border: 1px solid var(--line); background: rgba(255, 253, 248, .45); transition: transform .18s ease, border-color .18s ease; }
.notes-grid article:hover { border-color: var(--gold); transform: translateY(-4px); }
.notes-grid article > p { margin: 0; color: var(--brand); font-size: 11px; letter-spacing: .1em; }
.notes-grid h3 { margin: 42px 0 20px; font: 600 27px/1.55 var(--serif); }
.notes-grid h3 a { text-decoration: none; }
.notes-grid article > span { margin-top: auto; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }

.consultation { width: 100%; padding: 100px max(20px, calc((100% - 1180px) / 2)); display: grid; grid-template-columns: .78fr 1.22fr; gap: 90px; color: var(--paper); background: var(--ink); }
.consultation .section-kicker { color: #d0aa69; }
.consultation__intro > p:not(.section-kicker) { max-width: 420px; color: #c7c0b6; }
.consultation__aside { margin-top: 38px; padding-top: 22px; display: flex; gap: 14px; border-top: 1px solid #45413c; }
.consultation__aside span { flex: 0 0 auto; color: #d0aa69; font: 600 15px/1.6 var(--serif); }
.consultation__aside p { margin: 0; color: #aaa198; font-size: 12px; }
.consultation-form { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 22px; }
.consultation-form p { margin: 0; }
.consultation-form label { display: block; margin-bottom: 6px; color: #c7c0b6; font-size: 12px; letter-spacing: .06em; }
.consultation-form input, .consultation-form select, .consultation-form textarea { width: 100%; min-height: 46px; padding: 10px 12px; border: 1px solid #555047; border-radius: 0; color: var(--paper); background: #292826; }
.consultation-form textarea { min-height: 100px; resize: vertical; }
.consultation-form input::placeholder { color: #817a72; }
.form-wide { grid-column: 1 / -1; }
.form-submit { display: flex; align-items: center; gap: 16px; }
.form-submit button { min-height: 46px; padding: 9px 22px; border: 1px solid #d0aa69; color: var(--paper); background: var(--brand); cursor: pointer; }
.form-submit button:hover { background: var(--brand-dark); }
.form-submit button:disabled { color: #aaa39a; border-color: #777066; background: #383532; cursor: wait; }
.form-submit span { color: #c7c0b6; font-size: 11px; }
.professional-boundary { display: block; margin-top: 8px; color: #d0aa69; font-size: 12px; line-height: 1.6; }
.privacy-consent label { display: flex; align-items: flex-start; gap: 9px; letter-spacing: normal; line-height: 1.6; }
.privacy-consent input { width: auto; min-height: auto; margin-top: 4px; accent-color: var(--brand); }

.site-footer { width: var(--content); min-height: 180px; margin: auto; padding: 42px 0; display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: center; gap: 30px; color: var(--muted); font-size: 12px; }
.site-footer p { margin: 3px 0; }
.site-footer__brand { color: var(--brand); font: 600 23px/1.2 var(--serif); letter-spacing: .16em; }
.site-footer__links { margin-top: 12px !important; line-height: 1.8; }
.site-footer__links a { color: var(--body); }
.site-footer__links span { margin: 0 7px; color: var(--gold); }
.site-footer__filing { color: var(--muted); font-size: 11px; }
.site-footer__meta { text-align: right; }

.page-main { width: min(960px, calc(100% - 40px)); min-height: calc(100vh - 266px); margin: auto; padding: 40px 0 100px; }
.breadcrumb { margin: 0; color: var(--muted); font-size: 12px; }
.breadcrumb a { text-decoration: none; }
.page-hero { max-width: 800px; padding: 70px 0 76px; }
.page-hero h1, .note-article h1 { margin: 0; font: 600 clamp(42px, 5.4vw, 64px)/1.3 var(--serif); letter-spacing: .025em; }
.page-hero > p:last-child { max-width: 680px; margin: 26px 0 0; color: var(--body); font-size: 17px; }
.page-sections { border-top: 1px solid var(--line); }
.page-sections section { padding: 34px 0; display: grid; grid-template-columns: 70px 1fr; gap: 28px; border-bottom: 1px solid var(--line); }
.page-section-number { margin: 0; color: var(--gold); font: 500 13px/1.7 var(--serif); }
.page-sections h2, .page-callout h2 { margin: 0 0 10px; font: 600 25px/1.4 var(--serif); }
.page-sections p { margin: 0; color: var(--body); }
.page-action { margin: 44px 0 0; }
.page-process { margin: 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.page-process li { padding: 28px 0; display: grid; grid-template-columns: 54px 1fr; gap: 24px; border-bottom: 1px solid var(--line); }
.page-process li > span { color: var(--gold); font: 500 13px/1.8 var(--serif); }
.page-process strong { font: 600 22px/1.4 var(--serif); }
.page-process p { margin: 5px 0 0; color: var(--body); }
.page-callout { margin-top: 48px; padding: 28px 30px; border-left: 3px solid var(--brand); background: rgba(230, 216, 197, .38); }
.page-callout p { margin: 0; color: var(--body); }
.page-card-grid { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line); }
.page-card-grid article { min-height: 250px; padding: 32px; background: rgba(255, 253, 248, .36); }
.page-card-grid article:nth-child(even) { border-left: 1px solid var(--line); }
.page-card-grid article:nth-child(n + 3) { border-top: 1px solid var(--line); }
.page-card-grid article > span { color: var(--gold); font: 500 13px/1 var(--serif); }
.page-card-grid h2 { margin: 42px 0 14px; font: 600 25px/1.4 var(--serif); }
.page-card-grid p { margin: 0; color: var(--body); }
.page-notes-list { border-top: 1px solid var(--line); }
.page-notes-list article { padding: 34px 0; display: grid; grid-template-columns: 170px 1fr 1fr; align-items: baseline; gap: 34px; border-bottom: 1px solid var(--line); }
.page-notes-list article > p { margin: 0; color: var(--brand); font-size: 11px; letter-spacing: .09em; }
.page-notes-list h2 { margin: 0; font: 600 24px/1.45 var(--serif); }
.page-notes-list h2 a { text-decoration: none; }
.page-notes-list article > span { color: var(--muted); font-size: 13px; }
.page-main > .consultation-form { padding: 36px; border: 1px solid var(--line); background: rgba(255, 253, 248, .56); }
.page-main > .consultation-form label { color: var(--body); }
.page-main > .consultation-form input, .page-main > .consultation-form select, .page-main > .consultation-form textarea { border-color: var(--line); color: var(--ink); background: var(--white); }
.page-main > .consultation-form input::placeholder { color: #968e84; }
.page-main > .consultation-form .form-submit span { color: var(--muted); }
.article-main { width: min(820px, calc(100% - 40px)); }
.note-article { padding-top: 68px; }
.note-article header { padding-bottom: 58px; border-bottom: 1px solid var(--line); }
.article-lead { max-width: 700px; margin: 28px 0 0; color: var(--body); font-size: 17px; }
.question-list { margin: 0; padding: 34px 0 34px 2.4em; border-bottom: 1px solid var(--line); columns: 2; column-gap: 70px; }
.question-list li { padding: 9px 12px 9px 5px; break-inside: avoid; color: var(--body); }
.question-list li::marker { color: var(--brand); font-family: var(--serif); }
.article-actions section { padding: 30px 0; display: grid; grid-template-columns: 48px 1fr; gap: 22px; border-bottom: 1px solid var(--line); }
.article-actions section > span { color: var(--gold); font: 500 12px/2 var(--serif); }
.article-actions h2 { margin: 0 0 7px; font: 600 24px/1.4 var(--serif); }
.article-actions p { margin: 0; color: var(--body); }

@media (max-width: 960px) {
  .site-nav { gap: 16px; }
  .site-nav a { font-size: 12px; }
  .brand__role { display: none; }
  .hero { gap: 50px; }
  .card-grid { grid-template-columns: 1fr 1fr; }
  .scenario-card:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .scenario-card:nth-child(4) { border-top: 1px solid var(--line); }
  .method, .consultation { gap: 54px; }
}

@media (max-width: 720px) {
  :root { --content: min(1180px, calc(100% - 28px)); }
  body { font-size: 15px; }
  .site-header__inner { min-height: 70px; }
  .brand__name { font-size: 21px; }
  .menu-toggle { display: inline-flex; align-items: center; gap: 10px; }
  .menu-toggle__label { font-size: 12px; letter-spacing: .12em; }
  .menu-toggle__icon { width: 20px; height: 14px; display: flex; flex-direction: column; justify-content: space-between; }
  .menu-toggle__icon i { display: block; width: 100%; height: 1px; background: currentColor; transition: transform .18s ease; }
  html[data-menu-open="true"] .menu-toggle__icon i:first-child { transform: translateY(6.5px) rotate(45deg); }
  html[data-menu-open="true"] .menu-toggle__icon i:last-child { transform: translateY(-6.5px) rotate(-45deg); }
  .site-nav { position: absolute; top: 70px; left: 0; right: 0; display: none; padding: 18px 14px 24px; flex-direction: column; align-items: stretch; gap: 0; border-bottom: 1px solid var(--line); background: rgba(247, 243, 234, .98); box-shadow: 0 14px 30px rgba(31, 31, 31, .08); }
  html[data-menu-open="true"] .site-nav { display: flex; }
  .site-nav a { padding: 11px 5px; font-size: 14px; }
  .site-nav a::after { display: none; }
  .nav-cta { margin-top: 8px; text-align: center; }

  .hero { min-height: auto; padding: 54px 0 70px; grid-template-columns: 1fr; gap: 56px; }
  .eyebrow { align-items: flex-start; flex-direction: column; gap: 8px; }
  .hero h1 { font-size: clamp(39px, 12vw, 54px); line-height: 1.34; }
  .hero__lead { margin-top: 22px; font-size: 15px; }
  .hero__actions { margin-top: 28px; align-items: flex-start; flex-direction: column; gap: 18px; }
  .button { width: 100%; }
  .hero__principles { margin-top: 34px; }
  .portrait-card { width: calc(100% - 28px); }
  .portrait-card__seal { right: -14px; }
  .portrait-card figcaption { align-items: flex-start; flex-direction: column; gap: 8px; }

  .section { padding: 76px 0; }
  .section-heading, .section-heading--compact { margin-bottom: 34px; grid-template-columns: 1fr; gap: 22px; }
  .section-heading h2, .method h2, .about h2, .consultation h2 { font-size: 36px; }
  .card-grid { grid-template-columns: 1fr; }
  .scenario-card { min-height: 210px; }
  .scenario-card + .scenario-card { border-left: 0; border-top: 1px solid var(--line); }
  .scenario-card h3 { margin-top: 35px; }
  .section-more { text-align: left; }

  .method { grid-template-columns: 1fr; gap: 46px; }
  .method__note { grid-column: 1; margin: -18px 0 0; }
  .about { grid-template-columns: 1fr; gap: 48px; }
  .about__mark { min-height: 280px; }
  .notes-grid { grid-template-columns: 1fr; }
  .notes-grid article { min-height: 270px; }

  .consultation { padding: 76px 14px; grid-template-columns: 1fr; gap: 48px; }
  .consultation-form { grid-template-columns: 1fr; }
  .consultation-form p, .form-wide { grid-column: 1; }
  .form-submit { align-items: flex-start; flex-direction: column; }
  .form-submit button { width: 100%; }
  .site-footer { padding: 38px 0; grid-template-columns: 1fr; gap: 12px; }
  .site-footer__meta { text-align: left; }
  .page-main, .article-main { width: var(--content); min-height: auto; padding: 26px 0 70px; }
  .breadcrumb { overflow-wrap: anywhere; }
  .page-hero, .note-article { padding-top: 50px; }
  .page-hero { padding-bottom: 54px; }
  .page-hero h1, .note-article h1 { font-size: 40px; }
  .page-hero > p:last-child, .article-lead { font-size: 15px; }
  .page-sections section { grid-template-columns: 38px 1fr; gap: 15px; }
  .page-card-grid { grid-template-columns: 1fr; }
  .page-card-grid article { min-height: 220px; }
  .page-card-grid article:nth-child(even) { border-left: 0; }
  .page-card-grid article + article { border-top: 1px solid var(--line); }
  .page-notes-list article { grid-template-columns: 1fr; gap: 10px; }
  .page-main > .consultation-form { padding: 24px 18px; }
  .question-list { columns: 1; padding-left: 2em; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}