:root {
  --ink: #17251f;
  --green: #183f31;
  --lime: #d8ff68;
  --paper: #f4f1e9;
  --line: rgba(23, 37, 31, .18);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Yu Gothic", "Noto Sans JP", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  letter-spacing: .015em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }

.site-header {
  min-height: 92px;
  padding: 0 4.5vw;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  border-bottom: 1px solid var(--line);
  position: absolute;
  width: 100%;
  z-index: 2;
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; letter-spacing: .16em; font-size: 14px; white-space: nowrap; }
.brand-mark { display: grid; place-items: center; width: 34px; height: 34px; border: 1.5px solid currentColor; border-radius: 50%; font-family: Georgia, serif; font-size: 18px; font-style: italic; }
.header-actions { display: flex; align-items: center; justify-content: flex-end; gap: clamp(22px, 3vw, 46px); }
nav { display: flex; gap: clamp(18px, 2.4vw, 34px); font-size: 13px; font-weight: 600; letter-spacing: .05em; white-space: nowrap; }
nav a, .language-switcher button { transition: opacity .2s ease; }
nav a:hover, .language-switcher button:hover { opacity: .55; }
.language-switcher { display: flex; align-items: center; gap: 7px; font: 600 10px/1 Arial, sans-serif; letter-spacing: .06em; white-space: nowrap; }
.language-switcher button { padding: 8px 2px; border: 0; border-bottom: 1px solid transparent; background: transparent; color: inherit; cursor: pointer; opacity: .48; }
.language-switcher button.is-active { border-color: currentColor; opacity: 1; }
.language-switcher span { opacity: .22; }

.hero { min-height: 740px; padding: 158px 5.5vw 86px; display: grid; grid-template-columns: 1.12fr .88fr; align-items: center; gap: 4vw; overflow: hidden; }
.eyebrow, .section-index { font: 600 11px/1.25 Arial, sans-serif; letter-spacing: .22em; }
.hero h1, .statement h2, .origin h2, .company h2, .consultation h2, .paid-form h2, .contact-card h3, .approach h3 {
  font-family: "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif JP", "Noto Serif SC", Georgia, serif;
}
.hero h1 { font-size: clamp(46px, 5.6vw, 80px); font-weight: 500; line-height: 1.2; letter-spacing: -.052em; margin: 30px 0 34px; }
.lead { max-width: 650px; font-size: clamp(15px, 1.25vw, 17px); line-height: 2.05; margin: 0 0 38px; }
.text-link { display: inline-flex; gap: 28px; align-items: center; padding-bottom: 8px; border-bottom: 1px solid var(--ink); font-size: 13px; font-weight: 600; letter-spacing: .04em; }
.hero-art { width: min(39vw, 510px); aspect-ratio: 1; background: var(--green); border-radius: 50%; justify-self: end; position: relative; color: white; display: grid; place-items: center; }
.hero-art .core { width: 27%; aspect-ratio: 1; border-radius: 50%; background: var(--lime); color: var(--green); display: grid; place-items: center; font: italic 58px Georgia, serif; z-index: 2; }
.hero-art p { position: absolute; right: 9%; bottom: 13%; font: 600 10px/1.6 Arial, sans-serif; letter-spacing: .28em; }
.orbit { position: absolute; border: 1px solid rgba(255, 255, 255, .42); border-radius: 50%; }
.orbit-one { inset: 15%; }
.orbit-two { inset: 30%; }

.statement, .approach, .company { padding: 112px 7vw; border-top: 1px solid var(--line); display: grid; grid-template-columns: 23% 77%; }
.statement h2, .origin h2, .company h2, .consultation h2, .paid-form h2 { font-size: clamp(36px, 4.15vw, 58px); font-weight: 500; line-height: 1.36; letter-spacing: -.042em; margin: 0 0 38px; }
.statement > div > p { max-width: 760px; line-height: 2.15; font-size: clamp(15px, 1.25vw, 17px); margin: 0; }

.approach { background: var(--green); color: white; }
.approach-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: rgba(255, 255, 255, .25); border: 1px solid rgba(255, 255, 255, .25); }
.approach article { background: var(--green); padding: 42px 36px; min-height: 270px; }
.approach article > span { font: 11px Arial, sans-serif; color: var(--lime); }
.approach h3 { font-size: clamp(23px, 2vw, 28px); font-weight: 500; line-height: 1.4; margin: 42px 0 20px; }
.approach article p { color: rgba(255, 255, 255, .76); font-size: 15px; line-height: 1.95; margin: 0; }

.origin { min-height: 580px; background: var(--lime); padding: 88px 7vw; display: grid; grid-template-columns: 42% 58%; align-items: center; }
.origin-number { font: italic clamp(86px, 14vw, 190px)/1 Georgia, serif; letter-spacing: -.08em; }
.origin > div:last-child > p:last-child { max-width: 650px; font-size: clamp(15px, 1.25vw, 17px); line-height: 2.05; }

.company-body dl { margin: 0; border-top: 1px solid var(--line); }
.company-body dl div { display: grid; grid-template-columns: 170px 1fr; padding: 22px 0; border-bottom: 1px solid var(--line); font-size: 15px; line-height: 1.75; }
dt { color: #65736c; }
dd { margin: 0; }
.representative-name, .representative-title { display: block; }
.representative-name { font-weight: 600; margin-bottom: 5px; }
.representative-title { color: #59645f; font-size: 14px; line-height: 1.75; }
.mobile-break { display: none; }

.consultation { padding: 110px 7vw; background: #e7e3d8; }
.consultation > .section-index { margin-bottom: 50px; }
.contact-intro { display: grid; grid-template-columns: 1.1fr .9fr; gap: 8vw; align-items: end; margin-bottom: 64px; }
.contact-intro > p { font-size: 16px; line-height: 2; margin: 0 0 44px; }
.contact-routes { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--ink); border: 1px solid var(--ink); }
.contact-card { background: #e7e3d8; padding: 40px; min-height: 420px; display: flex; flex-direction: column; }
.contact-label { font: 600 10px/1 Arial, sans-serif; letter-spacing: .22em; margin: 0; }
.contact-card h3 { font-size: clamp(27px, 2.6vw, 36px); font-weight: 500; line-height: 1.45; margin: 38px 0 24px; }
.contact-card > p:not(.contact-label):not(.price):not(.duration) { color: #59645f; font-size: 15px; line-height: 1.95; }
.contact-card > a { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 19px 0; border-bottom: 1px solid var(--ink); font-size: 13px; font-weight: 600; letter-spacing: .035em; margin-top: auto; }
.paid-contact { background: var(--ink); color: white; }
.paid-contact > p:not(.contact-label):not(.price):not(.duration) { color: rgba(255, 255, 255, .72); }
.paid-contact > a { border-color: white; }
.price { display: flex; align-items: baseline; gap: 12px; margin: 2px 0 6px; }
.price strong { font: italic 60px/1 Georgia, serif; font-weight: 400; letter-spacing: -.04em; }
.price span { font-size: 13px; }
.duration { font: 600 10px/1 Arial, sans-serif; letter-spacing: .18em; margin-bottom: 24px; }

.paid-form { padding: 110px 7vw; background: var(--paper); display: grid; grid-template-columns: 23% 77%; border-top: 1px solid var(--line); }
.paid-form-body { display: grid; grid-template-columns: .75fr 1.25fr; gap: 7vw; align-items: start; }
.form-intro > p { font-size: 15px; line-height: 2; color: #59645f; }
.paid-form form { border-top: 1px solid var(--ink); padding-top: 30px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px 18px; }
.form-grid label { display: flex; flex-direction: column; gap: 10px; font-size: 13px; font-weight: 600; letter-spacing: .025em; }
.field-label { display: block; }
.field-label em { margin-left: 9px; font-size: 10px; color: #8a5b45; font-style: normal; font-weight: 600; }
.form-grid input, .form-grid select, .form-grid textarea { width: 100%; border: 1px solid var(--line); background: #fffef9; color: var(--ink); padding: 14px 15px; border-radius: 0; font-size: 14px; line-height: 1.6; outline: none; }
.form-grid textarea { resize: vertical; }
.form-grid input:focus, .form-grid select:focus, .form-grid textarea:focus { border-color: var(--green); box-shadow: 0 0 0 1px var(--green); }
.form-wide { grid-column: 1 / -1; }
.form-footer { margin-top: 28px; display: flex; align-items: center; justify-content: space-between; gap: 25px; }
.form-footer > p { max-width: 390px; color: #6c746f; font-size: 12px; line-height: 1.8; }
.form-footer button { border: 0; background: var(--green); color: white; padding: 19px 22px; min-width: 240px; display: flex; align-items: center; justify-content: space-between; gap: 24px; font-size: 13px; font-weight: 600; cursor: pointer; }
.form-footer button:hover { background: #235943; }

footer { padding: 46px 4.5vw; background: var(--ink); color: white; display: flex; justify-content: space-between; align-items: flex-end; }
footer p { font: 10px Arial, sans-serif; letter-spacing: .12em; opacity: .6; }

html[lang="en"] .hero h1 { font-size: clamp(42px, 5vw, 72px); letter-spacing: -.04em; }
html[lang="en"] .statement h2, html[lang="en"] .origin h2, html[lang="en"] .company h2, html[lang="en"] .consultation h2, html[lang="en"] .paid-form h2 { letter-spacing: -.035em; }
html[lang="en"] .approach h3 { font-family: Georgia, serif; }
html[lang="zh-CN"] body { letter-spacing: .035em; }

@media (max-width: 980px) {
  .site-header nav { display: none; }
  .hero { grid-template-columns: 1fr .72fr; }
  .paid-form-body { grid-template-columns: 1fr; gap: 42px; }
}

@media (max-width: 760px) {
  body { font-size: 15px; }
  .site-header { min-height: 72px; padding: 0 6vw; gap: 16px; }
  .header-actions { gap: 0; }
  .language-switcher { gap: 5px; font-size: 9px; }
  .language-switcher button { padding: 8px 1px; }
  .hero { min-height: auto; padding: 124px 6vw 74px; grid-template-columns: 1fr; gap: 60px; }
  .hero h1, html[lang="en"] .hero h1 { font-size: clamp(40px, 11.5vw, 58px); line-height: 1.26; }
  .lead { font-size: 15px; line-height: 2; }
  .lead br { display: none; }
  .hero-art { width: 86vw; justify-self: center; }
  .statement, .approach, .company { padding: 80px 6vw; grid-template-columns: 1fr; gap: 42px; }
  .statement h2, .origin h2, .company h2, .consultation h2, .paid-form h2 { font-size: clamp(34px, 9vw, 46px); }
  .statement > div > p, .origin > div:last-child > p:last-child { font-size: 15px; }
  .approach-grid { grid-template-columns: 1fr; }
  .approach article { min-height: 230px; padding: 34px 30px; }
  .approach h3 { margin-top: 34px; }
  .origin { padding: 78px 6vw; grid-template-columns: 1fr; gap: 54px; }
  .origin-number { font-size: 29vw; }
  .company-body dl div { grid-template-columns: 94px 1fr; padding: 20px 0; font-size: 14px; }
  .representative-title { font-size: 13px; }
  .mobile-break { display: block; }
  .consultation { padding: 80px 6vw; }
  .contact-intro, .contact-routes { grid-template-columns: 1fr; }
  .contact-intro { gap: 0; margin-bottom: 44px; }
  .contact-intro > p { margin-bottom: 0; font-size: 15px; }
  .contact-card { padding: 32px 30px; min-height: 390px; }
  .contact-card > p:not(.contact-label):not(.price):not(.duration) { font-size: 14px; }
  .paid-form { padding: 80px 6vw; grid-template-columns: 1fr; gap: 44px; }
  .paid-form-body { grid-template-columns: 1fr; gap: 40px; }
  .form-grid { grid-template-columns: 1fr; }
  .form-wide { grid-column: auto; }
  .form-footer { align-items: stretch; flex-direction: column; }
  .form-footer button { width: 100%; }
  .price strong { font-size: 56px; }
  footer { padding: 38px 6vw; }
  .footer-brand { font-size: 11px; }
}

@media (max-width: 390px) {
  .brand { font-size: 12px; gap: 9px; }
  .brand-mark { width: 30px; height: 30px; font-size: 16px; }
  .language-switcher button[data-lang="ja"] { font-size: 0; }
  .language-switcher button[data-lang="ja"]::after { content: "JP"; font-size: 9px; }
}