:root {
  --paper: #f5f4ef;
  --white: #fffefa;
  --ink: #252923;
  --muted: #70746b;
  --line: #dedfd6;
  --soft: #eeeee6;
  --coral: #f16a4b;
  --dark: #242922;
  --radius: 5px;
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.8 var(--font); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; text-underline-offset: 4px; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
svg { display: block; }
button, input, select, textarea { border-radius: var(--radius); }
button:focus-visible, a:focus-visible, summary:focus-visible, [tabindex]:focus-visible { outline: 2px solid #b54128; outline-offset: 5px; }
input:focus, select:focus, textarea:focus { outline: 2px solid #b54128; outline-offset: 2px; }
::selection { background: #ffd2c2; color: var(--ink); }
[hidden] { display: none !important; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-weight: 600; line-height: 1.4; }
ul { margin: 0; padding: 0; list-style: none; }
.frame { max-width: 1264px; padding-inline: 36px; margin-inline: auto; }
.icon { flex: 0 0 21px; width: 21px; height: 21px; }
.coral { color: var(--coral); }
.signal-dot { display: inline-block; flex: 0 0 6px; width: 6px; height: 6px; background: var(--coral); border-radius: 50%; }
.eyebrow { display: flex; align-items: center; gap: 10px; font-size: 11px; font-weight: 600; line-height: 1.6; letter-spacing: .12em; }
.skip-link { position: fixed; left: 20px; top: -100px; z-index: 50; padding: 10px 20px; background: var(--dark); color: white; }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; z-index: 20; background: rgb(245 244 239 / 96%); border-bottom: 1px solid var(--line); backdrop-filter: blur(16px); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; min-height: 89px; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-symbol { width: 39px; color: var(--ink); }
.brand-name { display: flex; flex-direction: column; font-size: 22px; font-weight: 600; line-height: 1.15; letter-spacing: .1em; }
.brand-name > span { margin-top: 5px; font-size: 9px; font-weight: 500; letter-spacing: .13em; }
.main-nav { display: flex; gap: 30px; margin-left: auto; }
.main-nav a { position: relative; font-size: 13px; font-weight: 500; white-space: nowrap; transition: color .15s; }
.main-nav a:hover, .footer-nav a:hover { color: #b54128; }
.main-nav a[aria-current]::after { content: ""; position: absolute; width: 16px; height: 2px; left: 0; bottom: -12px; background: var(--coral); }
.header-contact { display: flex; align-items: center; gap: 25px; padding: 10px 17px; border: 1px solid var(--ink); font-size: 12px; margin-left: 14px; transition: background .2s; }
.header-contact:hover { background: #e6e7dd; }
.menu-toggle { display: none; background: transparent; border: 0; padding: 10px; color: var(--ink); }
.main-nav .mobile-contact { display: none; }
.hero { display: grid; grid-template-columns: 1.16fr 1fr; gap: 50px; align-items: center; padding-top: 86px; padding-bottom: 72px; }
.hero h1 { font-size: clamp(36px, 3.82vw, 55px); font-weight: 600; letter-spacing: -.045em; line-height: 1.4; margin-top: 26px; }
.hero-description { color: #666b61; font-size: 16px; line-height: 1.95; margin-top: 25px; }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.hero .button-row { margin-top: 32px; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 24px; min-height: 49px; padding: 12px 20px; border: 1px solid transparent; border-radius: 3px; font-size: 13px; line-height: 1.6; font-weight: 500; transition: background .18s, transform .18s; }
.button:hover { transform: translateY(-2px); }
.button-dark { color: var(--paper); background: var(--dark); }
.button-dark:hover { background: #414a3c; }
.button-outline { color: var(--ink); background: transparent; border-color: #b5baad; }
.button-outline:hover { background: #e9ebe2; }
.button-coral { background: var(--coral); color: #1f261f; }
.button-coral:hover { background: #ff8a6e; }
.button .icon { width: 18px; height: 18px; flex-basis: 18px; }
.hero-note { font-size: 11px; color: var(--muted); margin-top: 18px; }
.delivery-diagram { background: #efefe7; border: 1px solid #e0e2d7; border-radius: var(--radius); overflow: hidden; }
.diagram-caption, .diagram-foot { display: flex; align-items: center; justify-content: space-between; padding: 19px 21px; font-size: 11px; gap: 10px; }
.diagram-caption { border-bottom: 1px solid #e0e2d7; font-weight: 500; }
.diagram-status { font-size: 8px; letter-spacing: .08em; display: flex; align-items: center; gap: 6px; color: #70786a; }
.diagram-status i { display: block; width: 5px; height: 5px; background: #727f5d; border-radius: 50%; }
.delivery-map { width: 100%; height: auto; padding: 4px 12px; }
.diagram-node rect { fill: #f9faf4; stroke: #ced3c4; stroke-width: 1; }
.diagram-node-focus rect { stroke: #e3a68e; fill: #fff5eb; }
.diagram-node-dark rect { fill: var(--dark); stroke: var(--dark); }
.delivery-map text { text-anchor: middle; font-family: var(--font); fill: #394333; }
.map-label { font-size: 14px; font-weight: 500; }
.map-micro { font-size: 8px; letter-spacing: .08em; }
.delivery-map .map-note { font-size: 9px; text-anchor: start; fill: #7b846f; }
.diagram-node-dark text { fill: #f4f5eb; }
.diagram-node-dark .map-micro { fill: #c0c6b5; }
.diagram-foot { border-top: 1px solid #e0e2d7; color: #737c69; font-size: 10px; padding-block: 12px; }
.diagram-foot > span:last-child { font-size: 22px; line-height: 1; color: #e16d4e; }
.platform-strip { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 24px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); max-width: 1192px; padding-inline: 0; }
.platform-label { font-size: 11px; color: var(--muted); white-space: nowrap; }
.platform-strip > div { display: flex; gap: 58px; font-size: 13px; font-weight: 500; }
.section-space { padding-top: 92px; padding-bottom: 6px; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 48px; margin-bottom: 39px; }
.section-heading .eyebrow { color: var(--muted); margin-bottom: 18px; }
.section-title { font-size: clamp(26px, 2.6vw, 35px); letter-spacing: -.03em; line-height: 1.45; }
.section-lede { font-size: 13px; color: var(--muted); line-height: 1.9; flex: 0 0 auto; }
.service-list { border-top: 1px solid var(--ink); }
.service-row { display: grid; grid-template-columns: 58px minmax(0, 1fr) 220px; gap: 25px; padding: 34px 0; border-bottom: 1px solid var(--line); align-items: start; }
.service-number { font-size: 11px; letter-spacing: .05em; color: var(--muted); padding-top: 8px; font-variant-numeric: tabular-nums; }
.service-row-main h3 { font-size: 23px; font-weight: 550; letter-spacing: -.02em; }
.service-row-main h3 a:hover { color: #a6422c; }
.service-row-main p { font-size: 14px; line-height: 1.9; color: var(--muted); max-width: 590px; margin-top: 12px; }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.tag { font-size: 10px; border: 1px solid #dadfd1; border-radius: 3px; padding: 3px 9px; color: #636f58; line-height: 1.7; white-space: nowrap; }
.service-row-aside { justify-self: end; padding-top: 7px; }
.service-link { display: flex; gap: 26px; align-items: center; font-size: 12px; }
.service-link .icon { border: 1px solid #c9cdbf; border-radius: 50%; padding: 8px; width: 37px; height: 37px; flex-basis: 37px; transition: background .2s; }
.service-link:hover .icon { background: var(--coral); border-color: var(--coral); }
.audience-section { margin-top: 86px; background: #eaece3; }
.audience-section .section-space { padding-top: 69px; padding-bottom: 70px; }
.audience-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.audience-panel { background: #f8f8f2; padding: 36px 37px 32px; border-radius: var(--radius); position: relative; }
.audience-index { font-size: 11px; letter-spacing: .04em; color: var(--muted); }
.audience-panel > .icon { position: absolute; top: 34px; right: 36px; width: 28px; height: 28px; color: #68775d; }
.audience-panel h3 { font-size: 28px; line-height: 1.55; margin-top: 29px; letter-spacing: -.03em; }
.audience-panel p { margin-top: 18px; color: var(--muted); font-size: 13px; max-width: 400px; }
.audience-panel .text-link { margin-top: 35px; }
.audience-dark { color: #f4f4eb; background: var(--dark); }
.audience-dark p, .audience-dark .audience-index { color: #b3bbaa; }
.audience-dark > .icon { color: #e68c6e; }
.text-link { display: inline-flex; align-items: center; gap: 20px; font-size: 13px; padding-bottom: 4px; border-bottom: 1px solid currentColor; }
.text-link:hover { color: #b54128; }
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); border-top: 1px solid var(--line); }
.step { padding: 26px 30px 20px 0; }
.step + .step { border-left: 1px solid var(--line); padding-left: 28px; }
.step .service-number { display: block; margin-bottom: 28px; color: #9e4c36; }
.step h3 { font-size: 19px; margin-bottom: 12px; }
.step p { font-size: 13px; color: var(--muted); line-height: 1.9; }
.cta-section { padding-top: 88px; padding-bottom: 84px; }
.closing-cta { display: flex; align-items: center; justify-content: space-between; gap: 40px; padding: 46px 47px; background: var(--dark); color: #f4f4e9; border-radius: var(--radius); }
.closing-cta .eyebrow { color: #b1b9a6; font-size: 9px; margin-bottom: 16px; }
.closing-cta h2 { font-size: clamp(24px, 2.4vw, 31px); line-height: 1.5; }
.closing-cta p:not(.eyebrow) { color: #bcc4b4; font-size: 12px; margin-top: 10px; }
.closing-cta .button { flex-shrink: 0; }
.site-footer { border-top: 1px solid var(--line); }
.footer-top { display: flex; justify-content: space-between; gap: 40px; padding-top: 45px; padding-bottom: 38px; }
.footer-identity > p { font-size: 11px; color: var(--muted); margin-top: 20px; }
.footer-email { display: inline-flex; align-items: center; gap: 9px; font-size: 13px; margin-top: 9px; }
.footer-email .icon { width: 15px; height: 15px; flex-basis: 15px; }
.footer-nav { display: grid; grid-template-columns: auto auto; align-content: start; column-gap: 65px; row-gap: 12px; padding-top: 5px; font-size: 12px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 15px; border-top: 1px solid var(--line); padding-block: 21px; font-size: 10px; color: #777e6f; }
.page-intro { padding-top: 77px; padding-bottom: 59px; position: relative; }
.page-intro::after { content: ""; position: absolute; left: 36px; right: 36px; bottom: 0; height: 1px; background: var(--line); }
.page-intro .eyebrow { margin-bottom: 23px; }
.page-intro h1 { font-size: clamp(36px, 4vw, 54px); line-height: 1.4; letter-spacing: -.04em; }
.intro-description { margin-top: 25px; max-width: 690px; font-size: 16px; line-height: 1.95; color: var(--muted); }
.inner-page .section-space { padding-top: 66px; }
.inner-page .service-row { padding-block: 31px; }
.split-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; padding: 46px; border: 1px solid var(--line); background: #eeeee6; border-radius: var(--radius); }
.split-panel .eyebrow { font-size: 10px; margin-bottom: 18px; }
.split-panel p:not(.eyebrow) { font-size: 14px; color: #68705f; line-height: 1.9; }
.split-panel h2 + p, .split-panel p + p, .split-panel .text-link { margin-top: 20px; }
.split-panel .check-list { margin-top: 20px; }
.dark-panel { background: var(--dark); color: #f4f4e9; border-color: var(--dark); }
.dark-panel p:not(.eyebrow), .dark-panel .eyebrow { color: #b8c0ae; }
.dark-panel .check-list { color: #e1e5d8; }
.dark-panel a:hover { color: #ff9c7d; }
.company-details { margin: 20px 0 0; font-size: 14px; }
.company-details > div { display: flex; flex-wrap: wrap; gap: 4px 18px; margin-top: 10px; }
.company-details dt { color: var(--muted); }
.company-details dd { margin: 0; overflow-wrap: anywhere; }
.company-details a { text-decoration: underline; }
.dark-panel .company-details dt { color: #b8c0ae; }
.company-identity:not(.dark-panel) p:not(.eyebrow), .company-identity:not(.dark-panel) dt { color: #5b6353; }
.check-list li { position: relative; padding: 12px 0 12px 23px; border-bottom: 1px solid #cfd4c4; font-size: 14px; }
.check-list li::before { content: "↗"; position: absolute; left: 0; top: 12px; color: #a34b33; }
.dark-panel .check-list li { border-color: #454d3d; }
.dark-panel .check-list li::before { color: #f49b79; }
.note { font-size: 12px; color: var(--muted); line-height: 1.9; }
.service-list + .note, .steps + .note { margin-top: 20px; }
.note + .text-link { margin-top: 19px; }
.values-list { border-top: 1px solid var(--ink); }
.value-row { display: grid; grid-template-columns: 1fr 1.3fr; gap: 50px; padding: 27px 0; border-bottom: 1px solid var(--line); }
.value-row h3 { font-size: 19px; }
.value-row p { font-size: 14px; line-height: 1.9; color: var(--muted); }
.faq-list { border-top: 1px solid var(--ink); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { cursor: pointer; position: relative; padding: 23px 45px 23px 0; font-size: 16px; font-weight: 500; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 4px; top: 18px; font-size: 24px; font-weight: 300; }
.faq-list details[open] summary::after { content: "−"; }
.faq-answer { padding: 0 50px 24px 0; max-width: 820px; color: var(--muted); font-size: 14px; }
.service-quick-links { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 28px; padding-top: 24px; font-size: 13px; }
.service-quick-links a, .service-next a { text-decoration: underline; }
.service-quick-links span { margin-left: auto; color: #5b6353; font-size: 12px; }
.cooperation-steps { margin: 0; padding: 0; list-style: none; }
.service-next h2 { font-size: 22px; }
.service-related { display: flex; flex-wrap: wrap; gap: 12px 28px; margin-block: 22px; font-size: 14px; }
.service-next p { font-size: 13px; color: #5b6353; margin-top: 8px; overflow-wrap: anywhere; }
.content-narrow { max-width: 800px; }
.statement { font-size: clamp(24px, 3vw, 40px); line-height: 1.6; }
.contact-section { display: grid; grid-template-columns: .72fr 1.28fr; gap: 85px; padding-top: 55px; padding-bottom: 95px; }
.contact-aside { padding-top: 21px; }
.contact-aside .eyebrow { color: var(--muted); font-size: 10px; }
.contact-aside h2 { font-size: 37px; line-height: 1.55; margin-top: 22px; letter-spacing: -.03em; }
.contact-aside > p:not(.eyebrow) { margin-top: 22px; font-size: 13px; color: var(--muted); }
.contact-email { display: inline-flex; align-items: center; gap: 20px; margin-top: 25px; font-size: 18px; border-bottom: 1px solid #9ca58e; padding-bottom: 4px; }
.contact-note { border-top: 1px solid var(--line); padding-top: 23px; margin-top: 43px; max-width: 320px; }
.contact-note h3 { font-size: 12px; }
.contact-note ul { margin-top: 14px; }
.contact-note li { font-size: 12px; color: var(--muted); padding-left: 13px; position: relative; margin-top: 5px; }
.contact-note li::before { content: "·"; position: absolute; left: 0; }
.contact-note p { font-size: 11px; color: var(--muted); margin-top: 20px; }
.contact-form-panel { padding: 33px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
.inquiry-modes { display: flex; background: var(--soft); padding: 5px; border-radius: 4px; gap: 5px; }
.mode-button { flex: 1; padding: 10px 14px; background: transparent; border: 1px solid transparent; font-size: 13px; color: var(--muted); }
.mode-button[aria-pressed="true"] { background: var(--white); border-color: #dce0d3; color: var(--ink); box-shadow: 0 1px 3px #1c22100a; }
.form-intro { margin-top: 30px; margin-bottom: 28px; }
.form-intro h2 { font-size: 23px; }
.form-intro p { font-size: 12px; color: var(--muted); margin-top: 9px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; column-gap: 20px; row-gap: 19px; }
.form-field { display: flex; flex-direction: column; min-width: 0; }
.field-wide { grid-column: 1 / -1; }
.form-field label, .draft-label { font-size: 12px; display: block; font-weight: 500; margin-bottom: 8px; }
.required-mark { margin-left: 4px; color: #b7472a; }
.optional-label { font-size: 10px; color: #808574; margin-left: 7px; font-weight: 400; }
.form-field input, .form-field select, .form-field textarea, #email-draft { color: var(--ink); border: 1px solid #d4d9cb; background: #fcfcf7; font-size: 13px; line-height: 1.75; width: 100%; padding: 11px 12px; }
.form-field input, .form-field select { min-height: 46px; }
.form-field textarea, #email-draft { resize: vertical; }
input::placeholder, textarea::placeholder { color: #8b9182; opacity: 1; }
.form-field [aria-invalid="true"] { border-color: #b23f24; }
.field-error { color: #a7341c; font-size: 11px; line-height: 1.5; margin-top: 5px; }
.field-error:empty { display: none; }
.form-action { display: flex; gap: 20px; align-items: center; margin-top: 25px; }
.form-action p { color: var(--muted); font-size: 10px; line-height: 1.8; }
.form-feedback { color: #a7341c; font-size: 12px; margin-top: 16px; }
.form-feedback:empty { display: none; }
.form-noscript { font-size: 14px; }
.form-noscript a { text-decoration: underline; }
.draft-panel { padding-top: 29px; margin-top: 29px; border-top: 1px solid var(--line); }
.draft-panel .eyebrow { color: #687758; font-size: 9px; }
.draft-panel h3 { font-size: 22px; margin-top: 10px; }
.draft-panel > p:not(.eyebrow) { color: var(--muted); font-size: 12px; margin-top: 13px; }
.draft-panel > p a { text-decoration: underline; }
.draft-label { margin-top: 20px; }
.draft-panel .button-row { margin-top: 18px; gap: 10px; }
.draft-panel .button { font-size: 11px; padding: 10px 13px; gap: 12px; }
#copy-feedback:empty { display: none; }
@media (min-width: 1440px) {
  .hero { padding-top: 94px; padding-bottom: 79px; }
}
@media (max-width: 1264px) {
  .platform-strip { margin-inline: 36px; }
  .hero { gap: 30px; }
  .header-inner { gap: 20px; }
  .main-nav { gap: 22px; }
  .contact-section { gap: 50px; }
}
@media (max-width: 1000px) {
  .hero { grid-template-columns: 1.14fr 1fr; padding-top: 58px; padding-bottom: 55px; gap: 24px; }
  .hero h1 { font-size: 38px; }
  .hero-description { font-size: 14px; }
  .hero .button { padding: 11px 14px; gap: 15px; font-size: 12px; }
  .diagram-caption { padding-inline: 14px; }
  .diagram-status { display: none; }
  .platform-strip > div { gap: 28px; font-size: 11px; }
  .service-row { grid-template-columns: 35px minmax(0, 1fr) 155px; gap: 18px; }
  .service-link { gap: 12px; font-size: 11px; }
  .steps { grid-template-columns: 1fr 1fr; }
  .step:nth-child(odd) { border-left: 0; padding-left: 0; }
  .step:nth-child(n+3) { border-top: 1px solid var(--line); }
  .audience-panel { padding: 28px; }
  .audience-panel h3 { font-size: 24px; }
  .split-panel { padding: 34px; gap: 36px; }
  .contact-section { grid-template-columns: .7fr 1.3fr; gap: 32px; }
  .contact-form-panel { padding: 25px; }
  .contact-aside h2 { font-size: 30px; }
  .form-action { flex-direction: column; align-items: flex-start; gap: 12px; }
  .form-action p br { display: none; }
}
@media (max-width: 800px) {
  .frame { padding-inline: 25px; }
  .header-inner { min-height: 74px; flex-wrap: wrap; gap: 0; }
  .brand-symbol { width: 33px; }
  .brand-name { font-size: 20px; }
  .brand-name > span { font-size: 8px; }
  .header-contact { margin-left: auto; margin-right: 15px; padding: 8px 12px; font-size: 11px; gap: 15px; }
  .header-contact .icon { width: 16px; height: 16px; flex-basis: 16px; }
  .main-nav { order: 5; flex-basis: 100%; margin: 0; flex-wrap: wrap; gap: 16px 25px; padding-block: 15px 22px; }
  .nav-ready .main-nav { display: none; }
  .nav-ready .main-nav.is-open { display: flex; }
  .nav-ready .menu-toggle { display: block; margin-right: -10px; }
  .menu-close-icon { display: none; }
  .menu-toggle[aria-expanded="true"] .menu-open-icon { display: none; }
  .menu-toggle[aria-expanded="true"] .menu-close-icon { display: block; }
  .main-nav a[aria-current]::after { bottom: -5px; }
  .hero { grid-template-columns: 1fr; gap: 36px; padding-top: 50px; padding-bottom: 40px; }
  .hero h1 { font-size: clamp(34px, 6.1vw, 48px); }
  .hero-copy { max-width: 650px; }
  .hero-description { font-size: 15px; }
  .desktop-break { display: none; }
  .delivery-diagram { max-width: 650px; width: 100%; }
  .delivery-map { max-height: 390px; }
  .diagram-status { display: flex; }
  .platform-strip { margin-inline: 25px; padding-inline: 0; flex-direction: column; align-items: flex-start; gap: 12px; }
  .platform-strip > div { justify-content: space-between; width: 100%; gap: 16px; font-size: 12px; flex-wrap: wrap; }
  .section-space { padding-top: 65px; }
  .section-heading { gap: 25px; align-items: flex-start; margin-bottom: 30px; }
  .section-title { font-size: 29px; }
  .section-lede { flex-basis: 190px; font-size: 12px; }
  .service-row { grid-template-columns: 25px minmax(0, 1fr); gap: 20px; }
  .service-row-aside { grid-column: 2; justify-self: start; padding-top: 0; }
  .service-row-aside .note br { display: none; }
  .service-row-main h3 { font-size: 22px; }
  .service-link .icon { width: 29px; height: 29px; flex-basis: 29px; padding: 6px; }
  .audience-section { margin-top: 60px; }
  .audience-grid { grid-template-columns: 1fr; }
  .audience-panel p { max-width: 100%; }
  .audience-panel h3 { font-size: 27px; }
  .closing-cta { flex-direction: column; align-items: flex-start; padding: 33px; gap: 25px; }
  .closing-cta h2 { font-size: 27px; }
  .cta-section { padding-top: 63px; padding-bottom: 62px; }
  .page-intro { padding-top: 51px; padding-bottom: 42px; }
  .page-intro::after { left: 25px; right: 25px; }
  .page-intro h1 { font-size: 43px; }
  .intro-description { font-size: 15px; }
  .inner-page .section-space { padding-top: 50px; }
  .split-panel { grid-template-columns: 1fr; gap: 25px; }
  .split-panel .check-list { margin-top: 0; }
  .value-row { grid-template-columns: 1fr 1.1fr; gap: 30px; }
  .contact-section { grid-template-columns: 1fr; gap: 35px; padding-top: 33px; padding-bottom: 60px; }
  .contact-aside h2 { font-size: 30px; }
  .contact-aside h2 br { display: none; }
  .contact-aside > p:not(.eyebrow) { margin-top: 12px; }
  .contact-aside > p br { display: none; }
  .contact-note { display: none; }
  .contact-email { margin-top: 16px; }
  .form-action { flex-direction: row; align-items: center; gap: 20px; }
  .form-action p br { display: block; }
}
@media (max-width: 500px) {
  .frame { padding-inline: 20px; }
  .header-inner { min-height: 70px; }
  .main-nav { flex-direction: column; gap: 20px; padding-top: 20px; }
  .main-nav .mobile-contact { display: inline-flex; align-items: center; gap: 20px; }
  .header-contact { margin-right: 12px; gap: 11px; }
  .hero { padding-top: 40px; gap: 30px; }
  .hero .eyebrow { font-size: 9px; gap: 7px; letter-spacing: .08em; }
  .hero h1 { font-size: clamp(30px, 8.55vw, 42px); margin-top: 22px; line-height: 1.46; }
  .hero-description { font-size: 13px; margin-top: 21px; line-height: 2; }
  .hero .button-row { gap: 10px; margin-top: 25px; }
  .hero .button { padding: 11px 14px; gap: 13px; font-size: 11px; min-height: 46px; }
  .hero-note { font-size: 10px; margin-top: 14px; }
  .diagram-caption { font-size: 10px; padding-block: 14px; }
  .diagram-status { font-size: 6px; }
  .delivery-map { padding-inline: 7px; }
  .diagram-foot { padding: 10px 14px; font-size: 9px; }
  .platform-strip { margin-inline: 20px; padding-inline: 0; }
  .platform-strip > div { font-size: 10px; gap: 11px; }
  .platform-label { font-size: 10px; }
  .section-space { padding-top: 53px; }
  .section-heading { flex-direction: column; gap: 15px; margin-bottom: 25px; }
  .section-heading .eyebrow { font-size: 9px; margin-bottom: 14px; }
  .section-title { font-size: 25px; }
  .section-lede { flex-basis: auto; font-size: 12px; }
  .section-lede br { display: none; }
  .service-row { padding-block: 25px; column-gap: 12px; row-gap: 16px; }
  .service-row-main h3 { font-size: 20px; }
  .service-row-main p { font-size: 13px; margin-top: 10px; }
  .service-number { padding-top: 6px; font-size: 10px; }
  .tag-list { gap: 6px; margin-top: 14px; }
  .tag { font-size: 9px; padding: 2px 7px; }
  .audience-section .section-space { padding-block: 45px; }
  .audience-panel { padding: 26px; }
  .audience-panel > .icon { top: 24px; right: 26px; width: 24px; height: 24px; }
  .audience-panel h3 { font-size: 24px; margin-top: 24px; }
  .audience-panel p { font-size: 12px; }
  .audience-panel .text-link { margin-top: 25px; font-size: 12px; }
  .step { padding-right: 16px; padding-top: 20px; padding-bottom: 20px; }
  .step + .step { padding-left: 18px; }
  .step:nth-child(odd) { padding-left: 0; }
  .step .service-number { margin-bottom: 18px; }
  .step h3 { font-size: 17px; }
  .step p { font-size: 12px; }
  .closing-cta { padding: 27px; }
  .closing-cta h2 { font-size: 23px; }
  .closing-cta p:not(.eyebrow) { font-size: 12px; line-height: 1.9; }
  .cta-section { padding-top: 46px; padding-bottom: 48px; }
  .footer-top { flex-direction: column; padding-top: 33px; gap: 29px; }
  .footer-nav { column-gap: 28px; grid-template-columns: 1fr 1fr; row-gap: 14px; }
  .footer-bottom { flex-direction: column; gap: 5px; font-size: 9px; padding-block: 18px; }
  .page-intro { padding-top: 38px; padding-bottom: 33px; }
  .page-intro::after { left: 20px; right: 20px; }
  .page-intro .eyebrow { font-size: 10px; margin-bottom: 20px; }
  .page-intro h1 { font-size: clamp(30px, 8.3vw, 40px); }
  .intro-description { font-size: 13px; margin-top: 20px; }
  .inner-page .section-space { padding-top: 39px; }
  .inner-page .service-row { padding-block: 24px; }
  .split-panel { padding: 26px; }
  .split-panel p:not(.eyebrow) { font-size: 13px; }
  .split-panel .section-title { font-size: 24px; }
  .check-list li { font-size: 12px; }
  .value-row { grid-template-columns: 1fr; gap: 10px; padding-block: 22px; }
  .value-row h3 { font-size: 18px; }
  .value-row p { font-size: 13px; }
  .faq-list summary { font-size: 14px; }
  .faq-answer { font-size: 13px; padding-right: 20px; }
  .contact-section { padding-top: 20px; }
  .contact-aside { padding-top: 14px; }
  .contact-aside h2 { font-size: 26px; margin-top: 16px; }
  .contact-form-panel { padding: 20px; }
  .form-grid { grid-template-columns: 1fr; row-gap: 18px; }
  .form-intro h2 { font-size: 21px; }
  .form-intro { margin-block: 24px; }
  .form-field input, .form-field select, .form-field textarea { font-size: 16px; }
  .form-field input::placeholder, .form-field textarea::placeholder { font-size: 12px; }
  .form-field select { font-size: 13px; }
  .form-action { flex-direction: column; align-items: stretch; gap: 12px; }
  .form-action p br { display: none; }
  .draft-panel .button-row { flex-direction: column; align-items: stretch; }
}
@media (max-width: 600px) {
  .service-quick-links { gap: 14px 20px; }
  .service-quick-links span { margin-left: 0; flex-basis: 100%; }
  .cooperation-steps { grid-template-columns: 1fr; }
  .cooperation-steps .step { padding: 24px 0; border-left: 0; }
  .cooperation-steps .step + .step { border-top: 1px solid var(--line); }
  .cooperation-steps .service-number { margin-bottom: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0s !important; animation-duration: 0s !important; }
}