:root {
  --ink: #101820;
  --paper: #f3efe6;
  --paper-deep: #e7e1d6;
  --line: rgba(16, 24, 32, 0.14);
  --teal: #0e6b66;
  --teal-deep: #0a4e4a;
  --muted: #465159;
  --danger: #8c1d1d;
  --header-h: 76px;
  --rail: 52px;
  --max: 1120px;
  --serif: "Shippori Mincho", "Yu Mincho", "Hiragino Mincho ProN", serif;
  --sans: "Zen Kaku Gothic New", "Hiragino Sans", "Yu Gothic", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding-left: var(--rail);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.85;
  overflow-wrap: break-word;
}

[id] {
  scroll-margin-top: 88px;
}

img,
svg {
  display: block;
}

a {
  color: inherit;
}

a[href^="tel:"] {
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

::selection {
  background: var(--teal);
  color: var(--paper);
}

.skip {
  position: absolute;
  left: calc(var(--rail) + 16px);
  top: -48px;
  z-index: 40;
  padding: 8px 12px;
  background: var(--ink);
  color: var(--paper);
}

.skip:focus {
  top: 8px;
}

.rail {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--rail);
  border-right: 1px solid var(--line);
  background: var(--paper);
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.28em;
  writing-mode: vertical-rl;
}

.wrap {
  width: min(var(--max), calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(243, 239, 230, 0.94);
  border-bottom: 1px solid var(--line);
  border-top: 3px solid var(--teal);
  backdrop-filter: blur(10px);
}

.header-inner {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  width: min(var(--max), calc(100% - 48px));
  min-height: var(--header-h);
  margin-inline: auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  width: 32px;
  height: 32px;
  flex: none;
}

.brand-text {
  display: flex;
  flex-direction: column;
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.15;
}

.brand-text small {
  margin-top: 3px;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
}

.nav-check {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.nav-toggle {
  display: none;
  padding: 8px 0;
  font-size: 0.92rem;
  letter-spacing: 0.08em;
  cursor: pointer;
}

.nav-check:focus-visible + .nav-toggle {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

.site-nav {
  display: flex;
  gap: 1.6rem;
}

.site-nav a {
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--teal-deep);
}

.hero {
  padding: 56px 0 72px;
  background:
    radial-gradient(ellipse at 100% 0%, rgba(14, 107, 102, 0.09), transparent 42%),
    var(--paper);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.75fr);
  gap: 64px;
  align-items: end;
}

h1,
h2,
h3,
.footer-name,
.phone-link {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.25;
}

h1 {
  margin: 12px 0 20px;
  font-size: clamp(2.2rem, 4.5vw, 4.15rem);
  letter-spacing: 0.01em;
}

h2 {
  margin: 0 0 16px;
  font-size: clamp(1.8rem, 3vw, 2.7rem);
}

h3 {
  margin: 0 0 10px;
  font-size: 1.35rem;
}

.kicker,
.eyebrow {
  margin: 0;
  color: var(--teal-deep);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
}

.hero-lead,
.section-lead {
  max-width: 38rem;
  margin: 0 0 14px;
}

.hero-phones {
  margin: 24px 0 8px;
  font-family: var(--serif);
  font-size: 1.25rem;
}

.hero-phones a,
.hero-email a {
  text-decoration: none;
  border-bottom: 1px solid rgba(16, 24, 32, 0.28);
}

.hero-email {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.hero-actions,
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  min-width: 148px;
  padding: 0 22px;
  border: 1px solid var(--teal);
  background: var(--teal);
  color: #f6f3ec;
  font: inherit;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-decoration: none;
  cursor: pointer;
}

.button:hover {
  border-color: var(--teal-deep);
  background: var(--teal-deep);
}

.button-ghost {
  background: transparent;
  color: var(--ink);
  border-color: rgba(16, 24, 32, 0.4);
}

.button-ghost:hover {
  background: transparent;
  border-color: var(--ink);
  color: var(--ink);
}

.hero-aside {
  padding-left: 32px;
  border-left: 1px solid var(--line);
}

.index-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.index-list a {
  display: flex;
  gap: 16px;
  align-items: baseline;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}

.index-list a:hover .num,
.index-list a:hover span:last-child {
  color: var(--teal-deep);
}

.num {
  color: var(--teal);
  font-family: var(--serif);
  font-size: 1.05rem;
  font-variant-numeric: tabular-nums;
}

.section {
  padding: 88px 0;
}

#services {
  padding-bottom: 28px;
}

.section-tight {
  padding-top: 28px;
}

.section-head {
  margin-bottom: 32px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.service-card {
  padding: 28px 24px 32px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.45);
}

.service-card:hover {
  border-color: rgba(14, 107, 102, 0.45);
  background: #fff;
}

.card-en {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.service-card p:last-child {
  margin: 0;
}

.consult-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.consult-list li {
  padding: 22px 8px 22px 0;
  border-bottom: 1px solid var(--line);
}

.consult-list li:nth-child(odd) {
  padding-right: 28px;
  border-right: 1px solid var(--line);
}

.consult-list li:nth-child(even) {
  padding-left: 28px;
}

.approach {
  background: var(--ink);
  color: var(--paper);
}

.approach .section-lead,
.approach .eyebrow {
  color: #d7e4e2;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px;
  margin: 36px 0 0;
  padding: 0;
  list-style: none;
}

.steps .num {
  margin: 0 0 12px;
  color: #9fe0da;
  font-size: 1.6rem;
}

.steps p:last-child {
  margin: 0;
  color: #d5dbdf;
}

.about-grid,
.contact-grid,
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 56px;
}

.facts {
  margin: 0;
}

.facts div {
  display: grid;
  grid-template-columns: 7.5em minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.facts div:last-child {
  border-bottom: 1px solid var(--line);
}

.facts dt {
  color: var(--muted);
}

.facts dd {
  margin: 0;
}

.facts dd a {
  display: block;
  text-underline-offset: 3px;
}

.contact {
  background: var(--paper-deep);
}

.phone-list {
  margin: 28px 0;
  padding: 0;
  list-style: none;
}

.phone-link {
  display: inline-block;
  font-size: clamp(1.7rem, 3vw, 2.45rem);
  text-decoration: none;
}

.phone-link:hover {
  color: var(--teal-deep);
}

.email-line {
  margin: -8px 0 20px;
  font-size: 1.15rem;
}

.email-line a {
  text-underline-offset: 3px;
}

.address {
  margin-bottom: 8px;
}

.text-link {
  text-underline-offset: 3px;
}

.inquiry {
  padding: 28px;
  background: #faf7f2;
  border: 1px solid var(--line);
}

.notice,
.form-alert {
  margin: 0 0 18px;
  padding: 14px 16px;
}

.notice {
  background: #e5f2f1;
  border: 1px solid var(--teal);
}

.form-alert,
.field-error {
  color: var(--danger);
}

.form-alert {
  background: #f8ece8;
  border: 1px solid var(--danger);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.field {
  margin-bottom: 16px;
}

.form-row .field {
  margin-bottom: 0;
}

.field label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.92rem;
  font-weight: 500;
}

.field label span {
  margin-left: 8px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 400;
}

input,
select,
textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #cfc8bb;
  background: #fff;
  color: inherit;
  font: inherit;
}

textarea {
  min-height: 168px;
  resize: vertical;
}

input[aria-invalid="true"],
select[aria-invalid="true"],
textarea[aria-invalid="true"] {
  border-color: var(--danger);
}

.field-error {
  margin: 6px 0 0;
  font-size: 0.85rem;
}

.hp {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-note {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.site-footer {
  background: var(--ink);
  color: #e6e1d6;
}

.footer-grid {
  padding-top: 48px;
}

.footer-name {
  margin: 0 0 12px;
  font-size: 1.6rem;
}

.site-footer a {
  text-underline-offset: 3px;
}

.site-footer p a {
  display: inline-block;
  margin-right: 1rem;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: 16px;
}

.site-footer nav a {
  text-decoration: none;
}

.site-footer nav a:hover {
  text-decoration: underline;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 28px;
  padding-bottom: 28px;
  border-top: 1px solid rgba(243, 239, 230, 0.16);
  color: #b7c0c4;
  font-size: 0.88rem;
}

.footer-bottom p {
  margin: 16px 0 0;
}

rt {
  font-family: var(--sans);
}

@media (max-width: 1100px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

@media (max-width: 980px) {
  .service-grid,
  .steps {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 800px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    flex-basis: 100%;
    flex-direction: column;
    gap: 0;
    padding-bottom: 14px;
  }

  .nav-check:checked ~ .site-nav {
    display: flex;
  }

  .site-nav a {
    padding: 12px 0;
    border-top: 1px solid var(--line);
  }

  .hero-grid,
  .about-grid,
  .contact-grid,
  .footer-grid,
  .form-row,
  .consult-list {
    grid-template-columns: 1fr;
  }

  .hero-aside {
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid var(--line);
    padding-top: 8px;
  }

  .consult-list li,
  .consult-list li:nth-child(odd),
  .consult-list li:nth-child(even) {
    padding-right: 0;
    padding-left: 0;
    border-right: 0;
  }
}

@media (max-width: 350px) {
  h1 {
    font-size: 1.8rem;
  }
}

@media (max-width: 720px) {
  body {
    padding-left: 0;
  }

  .rail {
    display: none;
  }

  .skip {
    left: 16px;
  }

  .wrap,
  .header-inner {
    width: min(var(--max), calc(100% - 36px));
  }

  .section {
    padding: 64px 0;
  }

  .inquiry {
    padding: 20px 16px;
  }

  .facts div {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}

@media (max-width: 560px) {
  .service-grid,
  .steps,
  .hero-actions,
  .form-actions {
    grid-template-columns: 1fr;
  }

  .hero-actions,
  .form-actions,
  .button {
    width: 100%;
  }

  .footer-bottom {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

@media print {
  .rail,
  .nav-toggle,
  .site-nav,
  .inquiry,
  .hero-actions {
    display: none;
  }

  body {
    padding-left: 0;
    background: #fff;
  }

  .approach,
  .site-footer,
  .contact {
    background: #fff;
    color: #000;
  }

}