@font-face {
  font-family: "Noto Sans JP";
  src: url("fonts/noto-sans-jp-regular.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Noto Sans JP";
  src: url("fonts/noto-sans-jp-medium.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: "Noto Sans JP";
  src: url("fonts/noto-sans-jp-bold.woff2") format("woff2");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

:root {
  color-scheme: light;
  --paper: #fbfbfa;
  --white: #ffffff;
  --ink: #20282c;
  --muted: #626d73;
  --line: #d8dfe1;
  --mist: #eff2f3;
  --slate: #293e48;
  --accent: #c83445;
  --rose: #f8eded;
  --max-width: 1280px;
  --gutter: clamp(24px, 5vw, 80px);
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  font-weight: 400;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 112px; }
body { margin: 0; font-size: 16px; line-height: 1.9; overflow-wrap: anywhere; }
body, h1, h2, h3, p, figure, dl, dd, ol, ul { margin: 0; }
h1, h2, h3 { font-weight: 700; overflow-wrap: normal; word-break: normal; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }
img { display: block; max-width: 100%; height: auto; }
button, a, summary { -webkit-tap-highlight-color: transparent; }
button, summary { touch-action: manipulation; }
button:disabled { cursor: default; }
[hidden] { display: none !important; }
::selection { background: #f4c4ca; color: var(--ink); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 6px; }
section:focus { outline: none; }
.wrap { width: min(calc(100% - var(--gutter) * 2), var(--max-width)); margin-inline: auto; }
.section-space { padding-block: clamp(80px, 9vw, 136px); }
.icon { width: 24px; height: 24px; flex: 0 0 auto; }
.icon, .service-icon { fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.skip-link { position: fixed; top: 12px; left: 20px; z-index: 100; padding: 10px 20px; background: var(--ink); color: var(--white); transform: translateY(-180%); }
.skip-link:focus { transform: translateY(0); }

/* The existing logo is provisional and is displayed without alteration. */
.site-header { position: sticky; top: 0; z-index: 20; background: var(--white); border-bottom: 1px solid var(--line); }
.header-inner { min-height: 98px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: block; width: 139px; flex-shrink: 0; }
.brand img { width: 100%; }
.site-nav { display: flex; align-items: center; gap: clamp(24px, 3vw, 46px); font-size: 13px; font-weight: 500; }
.site-nav > a { padding-block: 10px; transition: color .18s; }
.site-nav > a:hover { color: var(--accent); }
.site-nav .nav-contact { display: flex; align-items: center; gap: 22px; border: 1px solid var(--ink); padding: 11px 18px; }
.nav-contact .icon { width: 18px; height: 18px; }
.site-nav .nav-contact:hover { color: var(--white); background: var(--ink); }
.menu-toggle { display: none; }

.hero { display: grid; grid-template-columns: 1.12fr 1fr; column-gap: 16px; padding-top: 76px; }
.hero-content { position: relative; z-index: 1; padding-top: 12px; }
.hero-location { display: flex; align-items: center; gap: 12px; font-size: 12px; font-weight: 500; letter-spacing: .04em; margin-bottom: 27px; }
.location-dot { height: 7px; width: 7px; border: 2px solid var(--accent); border-radius: 50%; flex-shrink: 0; }
.hero h1 { font-size: clamp(58px, 6.65vw, 96px); line-height: 1.3; letter-spacing: -.045em; margin-left: -.045em; }
.hero-description { font-size: 15px; line-height: 2; margin-top: 28px; color: #4b575d; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 40px; min-height: 56px; padding: 16px 24px; font-size: 13px; font-weight: 500; }
.button-dark { background: var(--ink); color: var(--white); margin-top: 30px; transition: background .18s; }
.button-dark:hover { background: var(--slate); }
.button .icon { width: 18px; height: 18px; }
.hero-figure { position: relative; align-self: center; margin: -25px -36px 0 -12px; }
.hero-art { position: relative; }
.hero-art::before { content: ""; position: absolute; width: 73%; aspect-ratio: 1; top: 4%; left: 16%; background: #f0f3f4; border-radius: 50%; z-index: -1; }
.hero-art img { width: 100%; }
.hero-caption { position: relative; z-index: 1; background: var(--paper); display: flex; align-items: center; justify-content: center; gap: 17px; color: var(--muted); font-size: 12px; letter-spacing: .12em; margin: -5px 15px 0; }
.caption-line { width: 42px; height: 1px; background: #b6c3c9; }
.hero-bottom { grid-column: 1 / -1; margin-top: 72px; padding-block: 22px; border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 20px; color: var(--muted); font-size: 11px; }
.scroll-link { display: inline-flex; align-items: center; gap: 22px; white-space: nowrap; }
.scroll-link .icon { height: 16px; width: 16px; }
.scroll-link:hover { color: var(--accent); }

.section-label { font-size: 12px; font-weight: 500; letter-spacing: .06em; margin-bottom: 26px; display: flex; align-items: center; gap: 12px; }
.section-label::before { content: ""; width: 17px; height: 2px; background: var(--accent); }
h2 { font-size: clamp(30px, 3vw, 43px); line-height: 1.65; letter-spacing: -.025em; }
.about-section { background: var(--mist); }
.about-layout { display: grid; grid-template-columns: 1fr 1fr; column-gap: 10%; align-items: start; }
.about-copy { padding-top: 8px; max-width: 490px; }
.about-copy p { font-size: 14px; line-height: 2.2; }
.about-copy p:first-child { font-size: 21px; font-weight: 500; line-height: 1.9; margin-bottom: 26px; }
.about-copy p + p { margin-top: 22px; }
.section-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 40px; margin-bottom: 64px; }
.section-intro { font-size: 14px; color: var(--muted); line-height: 2.1; padding-bottom: 8px; padding-right: 9%; }
.service-list { border-top: 1px solid var(--ink); }
.service { border-bottom: 1px solid var(--line); }
.service summary { list-style: none; cursor: pointer; display: flex; align-items: center; gap: 34px; padding: 34px 16px; transition: background .18s; }
.service summary::-webkit-details-marker { display: none; }
.service summary:hover { background: var(--mist); }
.service summary:focus-visible { outline-offset: -3px; }
.service-icon { width: 46px; height: 46px; flex-shrink: 0; color: var(--slate); }
.service-heading { display: flex; flex-direction: column; gap: 5px; flex: 1; }
.service-title { font-size: 26px; font-weight: 500; letter-spacing: -.02em; line-height: 1.5; }
.service-subtitle { font-size: 12px; color: var(--muted); }
.service-toggle { display: flex; align-items: center; gap: 24px; font-size: 11px; color: var(--muted); }
.service-toggle .icon { width: 24px; height: 24px; transition: transform .18s; color: var(--ink); }
.service[open] .service-toggle .icon { transform: rotate(45deg); }
.service-content { padding: 0 100px 36px 96px; max-width: 910px; }
.service-content > p { font-size: 14px; color: #4b575d; line-height: 2; }
.service-tags { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin-top: 19px; }
.service-tags li { padding: 3px 12px; font-size: 11px; color: #4b575d; border: 1px solid var(--line); border-radius: 2px; }

.approach-section { background: var(--slate); color: var(--white); }
.approach-section .section-label { color: #dce4e7; }
.approach-section .section-label::before { background: #fd9aa3; }
.approach-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; }
.approach-heading > p { font-size: 14px; color: #d4dde1; line-height: 2.1; padding-bottom: 8px; }
.approach-steps { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 44px; margin-top: 65px; }
.approach-steps li { position: relative; padding-top: 26px; border-top: 1px solid #657780; }
.approach-steps li::before { content: ""; position: absolute; width: 7px; height: 7px; top: -4px; left: 0; border-radius: 50%; background: #fd9aa3; }
.step-number { font-family: inherit; color: #b7c5cc; font-size: 12px; }
.approach-steps h3 { font-size: clamp(17px, 1.6vw, 21px); font-weight: 500; margin-top: 21px; line-height: 1.6; }
.approach-steps p { font-size: 13px; line-height: 2.1; color: #d4dde1; margin-top: 18px; max-width: 340px; }

.company-section { display: grid; grid-template-columns: .92fr 1.08fr; gap: 64px; }
.company-heading { position: relative; }
.company-mark { display: flex; align-items: flex-end; gap: 10px; margin-top: 48px; width: 124px; height: 82px; }
.company-mark span { display: block; width: 30px; background: var(--mist); border-top: 2px solid #d8e0e3; transform: skewY(-25deg); }
.company-mark span:nth-child(1) { height: 42px; }
.company-mark span:nth-child(2) { height: 70px; background: #edc0c6; border-color: #d36d7b; }
.company-mark span:nth-child(3) { height: 55px; }
.company-table { border-top: 1px solid var(--ink); margin-top: 5px; }
.company-table > div { display: grid; grid-template-columns: 105px 1fr; gap: 24px; padding-block: 26px; border-bottom: 1px solid var(--line); font-size: 13px; }
.company-table dt { font-weight: 500; color: var(--muted); }
.company-table dd { line-height: 2; }
.company-english { display: block; font-size: 11px; color: var(--muted); letter-spacing: .07em; margin-top: 3px; }
.text-link { display: inline-flex; align-items: center; gap: 20px; border-bottom: 1px solid #99a6ad; }
.text-link .icon { width: 16px; height: 16px; }
.text-link:hover { color: var(--accent); }

.contact-section { background: var(--rose); padding-block: 88px; }
.contact-layout { display: grid; grid-template-columns: 1.1fr 1fr; gap: 70px; align-items: center; }
.contact-copy > p:last-child { font-size: 13px; line-height: 2.1; margin-top: 22px; color: #5e5358; }
.contact-email { display: block; border-bottom: 1px solid #b99fa4; padding-block: 16px 25px; }
.email-caption { font-size: 12px; font-weight: 500; display: block; margin-bottom: 17px; }
.email-address { display: flex; align-items: center; justify-content: space-between; gap: 16px; font-family: inherit; font-size: clamp(23px, 2.6vw, 37px); line-height: 1.3; letter-spacing: -.03em; }
.email-address .icon { width: 33px; height: 33px; transition: transform .18s; }
.contact-email:hover .email-address { color: var(--accent); }
.contact-email:hover .icon { transform: translate(3px, -3px); }
.copy-row { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 16px; margin-top: 16px; min-height: 32px; }
.copy-email { display: inline-flex; align-items: center; gap: 8px; background: none; padding: 6px 0; border: 0; font-size: 11px; color: #5e5358; }
.copy-email .icon { width: 15px; height: 15px; }
.copy-email:hover { color: var(--accent); }
.copy-status { font-size: 11px; color: #684650; }
.contact-note { font-size: 11px; line-height: 1.9; margin-top: 12px; color: #76666b; }

.site-footer { padding-block: 45px 30px; }
.footer-top, .footer-bottom { display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.footer-name { font-size: 17px; font-weight: 700; }
.back-to-top { display: inline-flex; align-items: center; gap: 28px; font-size: 11px; }
.back-to-top .icon { width: 16px; height: 16px; }
.back-to-top:hover { color: var(--accent); }
.footer-bottom { margin-top: 30px; color: var(--muted); font-size: 11px; }
.footer-bottom small { font-family: inherit; font-size: 10px; letter-spacing: .02em; }

@media (min-width: 761px) and (max-width: 1050px) {
  .site-nav { gap: 20px; font-size: 12px; }
  .site-nav .nav-contact { gap: 12px; padding-inline: 12px; }
  .hero { padding-top: 50px; }
  .hero h1 { font-size: 6.5vw; }
  .hero-figure { margin-right: -24px; }
  .section-intro { padding-right: 0; }
  .about-layout { column-gap: 7%; }
  .company-section { gap: 40px; }
  .contact-layout { gap: 36px; }
}

@media (max-width: 760px) {
  html { scroll-padding-top: 100px; }
  .header-inner { min-height: 78px; flex-wrap: wrap; gap: 0; }
  .brand { width: 120px; }
  .menu-toggle { display: inline-flex; align-items: center; gap: 13px; border: 0; background: none; padding: 14px 0 14px 14px; }
  .menu-label { font-size: 11px; }
  .menu-lines { display: flex; flex-direction: column; gap: 6px; width: 24px; }
  .menu-lines span { height: 1px; width: 24px; background: var(--ink); transition: transform .18s; }
  .menu-toggle[aria-expanded="true"] .menu-lines span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] .menu-lines span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .site-nav { width: 100%; flex-direction: column; align-items: stretch; gap: 0; padding-bottom: 24px; }
  .site-nav > a { padding: 16px 0; font-size: 14px; border-bottom: 1px solid var(--line); }
  .site-nav .nav-contact { margin-top: 18px; justify-content: space-between; padding: 14px 18px; }
  .has-navigation .site-nav { display: none; }
  .has-navigation .menu-open .site-nav { display: flex; max-height: calc(100svh - 100px); overflow-y: auto; }
  .hero { grid-template-columns: 1fr; padding-top: 44px; }
  .hero-content { padding-top: 0; }
  .hero-location { font-size: 10px; margin-bottom: 22px; gap: 9px; }
  .hero h1 { font-size: clamp(48px, 10.5vw, 74px); line-height: 1.35; letter-spacing: -.045em; }
  .hero-description { font-size: 13px; margin-top: 22px; line-height: 2; }
  .button { min-height: 52px; padding: 14px 20px; font-size: 12px; }
  .button-dark { margin-top: 26px; }
  .hero-figure { width: min(100%, 470px); justify-self: center; margin: 8px 0 0; }
  .hero-art { margin: -15px -22px -14px; }
  .hero-art::before { top: 13%; width: 67%; }
  .hero-caption { font-size: 10px; margin-top: 0; gap: 15px; }
  .caption-line { width: 32px; }
  .hero-bottom { margin-top: 35px; padding-block: 18px; font-size: 10px; }
  .hero-bottom > p { max-width: 290px; }
  .hero-bottom .scroll-link { display: none; }
  .section-label { font-size: 11px; margin-bottom: 20px; }
  h2 { font-size: clamp(29px, 6.6vw, 40px); line-height: 1.65; }
  .about-layout { grid-template-columns: 1fr; gap: 35px; }
  .about-copy { padding-top: 0; }
  .about-copy p { font-size: 13px; }
  .about-copy p:first-child { font-size: 18px; margin-bottom: 22px; }
  .desktop-break { display: none; }
  .section-heading { display: block; margin-bottom: 38px; }
  .section-intro { padding: 0; font-size: 13px; margin-top: 24px; }
  .section-intro br { display: none; }
  .service summary { padding: 25px 0; gap: 17px; }
  .service-icon { width: 32px; height: 32px; }
  .service-heading { gap: 7px; }
  .service-title { font-size: clamp(17px, 4.3vw, 23px); line-height: 1.55; }
  .service-subtitle { font-size: 10px; line-height: 1.8; max-width: 230px; }
  .service-toggle { gap: 0; }
  .service-toggle > span { display: none; }
  .service-toggle .icon { width: 19px; height: 19px; }
  .service-content { padding: 0 0 28px 49px; }
  .service-content > p { font-size: 12px; line-height: 2; }
  .service-tags { gap: 7px; margin-top: 16px; }
  .service-tags li { padding: 2px 9px; font-size: 10px; }
  .approach-heading { display: block; }
  .approach-heading > p { margin-top: 30px; padding: 0; font-size: 13px; }
  .approach-steps { grid-template-columns: 1fr; gap: 30px; margin-top: 45px; }
  .approach-steps li { padding: 23px 0 0 38px; }
  .approach-steps li::before { top: 30px; left: 0; width: 6px; height: 6px; }
  .step-number { position: absolute; top: 25px; left: 0; font-size: 10px; transform: translateY(-22px); background: var(--slate); padding-right: 5px; }
  .approach-steps h3 { font-size: 18px; margin: 0; }
  .approach-steps p { font-size: 12px; margin-top: 12px; max-width: none; }
  .company-section { grid-template-columns: 1fr; gap: 35px; }
  .company-mark { display: none; }
  .company-table > div { grid-template-columns: 65px 1fr; gap: 18px; padding-block: 23px; font-size: 12px; }
  .company-table dd { line-height: 2.1; }
  .contact-section { padding-block: 65px; }
  .contact-layout { grid-template-columns: 1fr; gap: 34px; }
  .contact-copy > p:last-child { font-size: 12px; line-height: 2; }
  .email-caption { margin-bottom: 14px; font-size: 11px; }
  .email-address { font-size: clamp(24px, 6.5vw, 38px); }
  .email-address .icon { width: 26px; height: 26px; }
  .contact-email { padding-bottom: 22px; }
  .copy-row { margin-top: 13px; }
  .site-footer { padding-block: 35px 25px; }
  .footer-name { font-size: 14px; }
  .back-to-top { font-size: 10px; gap: 12px; }
  .footer-bottom { align-items: flex-start; flex-direction: column; gap: 13px; margin-top: 25px; font-size: 10px; }
}

@media (max-width: 359px) {
  .hero h1 { font-size: 46px; }
}

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