@charset "UTF-8";

:root {
  color-scheme: light;
  --paper: #f5f4ee;
  --ink: #20211e;
  --muted: #575a50;
  --accent: #e5e957;
  --line: #d0d1c8;
  --gutter: clamp(20px, 4.5vw, 72px);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
  text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
}

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

html { scroll-behavior: smooth; }
body { margin: 0; font-size: 16px; line-height: 1.8; }
body, h1, h2, h3, p, ul { margin-block: 0; }
ul { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
svg { display: block; width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: square; stroke-linejoin: miter; flex-shrink: 0; }
a, summary { -webkit-tap-highlight-color: transparent; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--ink); outline-offset: 5px; }
::selection { background: var(--accent); color: var(--ink); }
[id] { scroll-margin-top: 112px; }
.page-width { width: calc(100% - var(--gutter) * 2); max-width: 1376px; margin-inline: auto; }
.section-space { padding-block: 120px; }

.skip-link { position: fixed; inset: 8px auto auto 8px; z-index: 100; padding: 12px 24px; color: white; background: var(--ink); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.site-header { height: 104px; padding-inline: var(--gutter); display: flex; align-items: center; justify-content: space-between; gap: 32px; position: sticky; top: 0; z-index: 20; background: var(--paper); border-bottom: 1px solid var(--line); }
.logo-link { display: block; width: 154px; flex: 0 0 auto; }
.logo-link img { width: 100%; }
.desktop-nav { display: flex; align-items: center; gap: clamp(24px, 3vw, 48px); font-size: 14px; font-weight: 600; }
.desktop-nav > a { padding-block: 14px; }
.desktop-nav > a:not(.header-contact):hover { text-decoration: underline; text-underline-offset: 6px; }
.desktop-nav > .header-contact { display: inline-flex; align-items: center; justify-content: space-between; gap: 32px; padding: 12px 21px; border: 1px solid var(--ink); }
.header-contact svg { width: 20px; height: 20px; }
.header-contact:hover { background: var(--ink); color: var(--paper); }
.mobile-menu { display: none; }

.hero { padding-block: 38px 48px; display: grid; grid-template-columns: 1.12fr 1fr; gap: 44px; border-bottom: 1px solid var(--line); }
.hero-content { display: flex; flex-direction: column; align-items: flex-start; padding-block: 22px 18px; }
.hero h1 { display: flex; align-items: baseline; flex-wrap: wrap; font-size: 18px; line-height: 1.5; font-weight: 600; letter-spacing: .01em; margin-bottom: 30px; }
.hero h1 span { font-size: 14px; font-weight: 500; }
.hero-message { font-size: clamp(58px, 7.7vw, 114px); font-weight: 800; line-height: 1.27; letter-spacing: -.075em; white-space: nowrap; }
.hero-message > span { display: block; }
.hero-message-last { width: fit-content; background: linear-gradient(transparent 77%, var(--accent) 77%, var(--accent) 94%, transparent 94%); padding-right: .12em; }
.hero-bottom { margin-top: auto; padding-top: 38px; }
.hero-description { font-size: clamp(16px, 1.35vw, 19px); line-height: 1.95; letter-spacing: .025em; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 18px 30px; margin-top: 30px; }
.button { min-height: 62px; padding: 17px 24px; display: inline-flex; align-items: center; justify-content: space-between; gap: 40px; font-size: 15px; font-weight: 600; line-height: 1.6; transition: background-color .2s, color .2s; }
.button-dark { background: var(--ink); color: var(--paper); border: 1px solid var(--ink); }
.button-dark:hover { background: var(--accent); color: var(--ink); }
.button svg, .text-link svg, .topic-list svg { transition: transform .2s; }
.button:hover svg, .text-link:hover svg { transform: translateX(4px); }
.text-link { display: inline-flex; align-items: center; gap: 22px; min-height: 44px; border-bottom: 1px solid currentColor; padding-block: 8px; font-size: 15px; font-weight: 600; }
.text-link svg { width: 21px; height: 21px; }
.hero-picture { display: block; height: clamp(540px, 46.5vw, 690px); background: #10c5e5; overflow: hidden; }
.hero-picture img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 20%; }

h2 { font-size: clamp(32px, 3.55vw, 52px); font-weight: 700; line-height: 1.6; letter-spacing: -.035em; }
.about { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.about h2 { font-size: clamp(36px, 4.3vw, 62px); line-height: 1.65; }
.about-copy { max-width: 570px; padding-top: 12px; }
.about-copy p { font-size: 17px; line-height: 2.1; letter-spacing: .02em; }
.about-copy p + p { margin-top: 23px; }
.about-copy p:first-child { font-size: 24px; font-weight: 600; line-height: 1.85; margin-bottom: 30px; }
.solutions { padding-top: 20px; }
.solutions > h2 { margin-bottom: 44px; }
.solution-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; }
.solution { border-top: 1px solid var(--ink); padding-top: 34px; }
.solution-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; margin-bottom: 30px; }
.solution h3 { font-size: clamp(24px, 2.6vw, 38px); line-height: 1.5; font-weight: 700; letter-spacing: -.045em; padding-top: 8px; word-break: keep-all; }
.solution-symbol { width: 74px; height: 74px; stroke-width: 1.6; }
.solution p { max-width: 500px; font-size: 17px; line-height: 2; }
.service-link { margin-top: 52px; }

.strengths { background: var(--accent); }
.strengths-heading { display: flex; justify-content: space-between; align-items: center; gap: 40px; margin-bottom: 74px; }
.strengths h2 { font-size: clamp(42px, 4.6vw, 68px); line-height: 1.5; }
.strengths-arrow { width: clamp(100px, 13vw, 185px); height: auto; stroke-width: 6; margin-right: 20px; }
.strength-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 44px; }
.strength-grid > div { border-top: 1px solid #75772e; padding-top: 26px; }
.strength-grid h3 { font-size: clamp(18px, 1.7vw, 24px); font-weight: 600; margin-bottom: 20px; letter-spacing: -.025em; }
.strength-grid p { font-size: 16px; line-height: 2; max-width: 380px; }

.topics { display: grid; grid-template-columns: 1fr 2fr; gap: 80px; padding-block: 130px; }
.topics h2 { padding-top: 13px; }
.topic-list { border-top: 1px solid var(--ink); }
.topic-list li { border-bottom: 1px solid var(--line); }
.topic-list a { display: flex; align-items: center; justify-content: space-between; gap: 30px; min-height: 132px; padding: 30px 8px 30px 0; }
.topic-list time { display: block; font-size: 13px; line-height: 1.5; margin-bottom: 10px; color: var(--muted); letter-spacing: .04em; }
.topic-list h3 { font-size: clamp(20px, 2vw, 28px); font-weight: 500; line-height: 1.6; letter-spacing: -.025em; }
.topic-list a:hover h3 { text-decoration: underline; text-underline-offset: 7px; }
.topic-list a:hover svg { transform: translate(3px, -3px); }
.topic-list svg { width: 28px; height: 28px; }

.contact { color: var(--paper); background: var(--ink); }
.contact-inner { padding-block: 110px; display: flex; align-items: center; justify-content: space-between; gap: 60px; }
.contact h2 { font-size: clamp(48px, 6.5vw, 94px); line-height: 1.45; letter-spacing: -.045em; }
.button-accent { background: var(--accent); color: var(--ink); min-width: 260px; min-height: 88px; padding-inline: 30px; font-size: 18px; }
.button-accent:hover { background: var(--paper); }
.button-accent:focus-visible { outline-color: var(--paper); }
.button-accent svg { width: 28px; height: 28px; }
.site-footer { padding-block: 56px 28px; }
.footer-top { display: flex; align-items: center; justify-content: space-between; gap: 40px; padding-bottom: 46px; }
.footer-logo { width: 156px; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 16px 32px; font-size: 13px; }
.footer-nav a, .footer-bottom a { min-height: 44px; display: inline-flex; align-items: center; }
.footer-nav a:hover, .footer-bottom a:hover { text-decoration: underline; text-underline-offset: 5px; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding-top: 18px; border-top: 1px solid var(--line); font-size: 12px; }
.footer-bottom a { gap: 14px; }
.footer-bottom svg { width: 15px; height: 15px; }
.footer-bottom small { font-size: 12px; }

.not-found { min-height: calc(100svh - 105px); padding-block: 70px 100px; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; }
.not-found-code { font-size: clamp(100px, 20vw, 220px); font-weight: 700; line-height: 1; letter-spacing: -.075em; color: #d0d2c0; }
.not-found h1 { font-size: clamp(25px, 4vw, 44px); margin-block: 30px 16px; line-height: 1.6; }
.not-found p:not(.not-found-code) { margin-bottom: 34px; }

@media (min-width: 1600px) {
  .hero-message { font-size: 119px; }
}

@media (max-width: 1050px) {
  .desktop-nav { gap: 23px; font-size: 13px; }
  .desktop-nav > .header-contact { gap: 22px; padding-inline: 17px; }
  .hero { gap: 28px; }
  .hero-picture { height: 550px; }
  .hero-actions { gap: 15px 22px; }
  .button { gap: 24px; padding-inline: 20px; }
  .about { gap: 40px; }
  .solution-grid { gap: 40px; }
  .solution-symbol { width: 58px; height: 58px; }
  .solution-heading { gap: 12px; }
  .strength-grid { gap: 28px; }
  .topics { gap: 50px; }
}

@media (max-width: 760px) {
  [id] { scroll-margin-top: 88px; }
  .section-space { padding-block: 76px; }
  .site-header { height: 80px; gap: 20px; }
  .site-header .logo-link { width: 124px; }
  .desktop-nav { display: none; }
  .mobile-menu { display: block; }
  .mobile-menu summary { display: flex; align-items: center; gap: 18px; min-height: 44px; cursor: pointer; list-style: none; font-size: 13px; font-weight: 600; }
  .mobile-menu summary::-webkit-details-marker { display: none; }
  .menu-icon { width: 24px; height: 14px; position: relative; }
  .menu-icon::before, .menu-icon::after { content: ""; position: absolute; left: 0; width: 24px; height: 1px; background: currentColor; transition: transform .2s, top .2s; }
  .menu-icon::before { top: 3px; }
  .menu-icon::after { top: 11px; }
  .mobile-menu[open] .menu-icon::before { top: 7px; transform: rotate(45deg); }
  .mobile-menu[open] .menu-icon::after { top: 7px; transform: rotate(-45deg); }
  .mobile-menu nav { position: absolute; inset: 79px 0 auto; padding: 18px var(--gutter) 26px; display: grid; background: var(--paper); border-bottom: 1px solid var(--ink); }
  .mobile-menu nav a { padding-block: 16px; border-bottom: 1px solid var(--line); font-size: 17px; }
  .mobile-menu nav a:last-child { border-bottom: 0; }
  .hero { grid-template-columns: 1fr; gap: 34px; padding-block: 30px 38px; }
  .hero-content { padding-block: 0; }
  .hero h1 { margin-bottom: 23px; font-size: 16px; }
  .hero h1 span { font-size: 13px; }
  .hero-message { font-size: clamp(50px, 12.8vw, 92px); line-height: 1.25; letter-spacing: -.07em; }
  .hero-bottom { padding-top: 28px; width: 100%; }
  .hero-description { font-size: 16px; line-height: 1.9; }
  .hero-actions { margin-top: 24px; gap: 16px 25px; }
  .button { min-height: 58px; padding: 15px 20px; font-size: 14px; }
  .hero-actions .button { gap: 28px; }
  .hero-actions .text-link { font-size: 13px; gap: 12px; }
  .hero-picture { height: clamp(320px, 85vw, 500px); }
  .hero-picture img { object-position: 50% 20%; }
  .about { grid-template-columns: 1fr; gap: 30px; }
  .about h2 { font-size: 38px; line-height: 1.65; }
  .about-copy { padding-top: 0; }
  .about-copy p { font-size: 16px; }
  .about-copy p:first-child { font-size: 21px; margin-bottom: 24px; }
  .about-copy p + p { margin-top: 20px; }
  .desktop-break { display: none; }
  .solutions { padding-top: 0; }
  .solutions > h2 { font-size: 29px; margin-bottom: 30px; }
  .solution-grid { grid-template-columns: 1fr; gap: 38px; }
  .solution { padding-top: 24px; }
  .solution h3 { font-size: clamp(24px, 7.4vw, 29px); padding-top: 2px; }
  .solution-heading { margin-bottom: 20px; align-items: center; }
  .solution-symbol { width: 58px; height: 58px; }
  .solution p { font-size: 16px; }
  .service-link { margin-top: 34px; }
  .strengths-heading { align-items: flex-start; gap: 20px; margin-bottom: 42px; }
  .strengths h2 { font-size: 38px; line-height: 1.55; }
  .strengths-arrow { width: 64px; margin: 14px 0 0; stroke-width: 7; }
  .strength-grid { grid-template-columns: 1fr; gap: 32px; }
  .strength-grid > div { padding-top: 24px; }
  .strength-grid h3 { font-size: 21px; margin-bottom: 12px; }
  .strength-grid p { max-width: none; }
  .topics { grid-template-columns: 1fr; gap: 28px; }
  .topics h2 { padding-top: 0; }
  .topic-list a { min-height: 108px; padding-block: 25px; }
  .topic-list h3 { font-size: 21px; }
  .topic-list svg { width: 23px; height: 23px; }
  .contact-inner { padding-block: 74px; flex-direction: column; align-items: flex-start; gap: 38px; }
  .contact h2 { font-size: 48px; line-height: 1.5; }
  .button-accent { font-size: 17px; min-height: 74px; min-width: 250px; padding-inline: 25px; }
  .site-footer { padding-block: 40px 22px; }
  .footer-top { flex-direction: column; align-items: flex-start; gap: 25px; padding-bottom: 26px; }
  .footer-logo { width: 135px; }
  .footer-nav { gap: 4px 24px; }
  .footer-bottom { gap: 4px; flex-wrap: wrap; }
  .footer-bottom a { font-size: 11px; }
  .footer-bottom small { font-size: 11px; }
  .not-found { min-height: calc(100svh - 80px); }
}

@media (max-width: 359px) {
  .hero-actions { gap: 16px; }
  .hero-actions .button { gap: 14px; padding-inline: 18px; }
  .hero-actions .text-link { gap: 7px; font-size: 12px; }
  .hero-actions .text-link svg { width: 18px; height: 18px; }
  .solution-symbol { width: 44px; height: 44px; }
  .strengths h2 { font-size: 33px; }
  .strengths-arrow { width: 50px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

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