@font-face {
  font-family: "Noto Sans JP";
  src: url("assets/noto-sans-jp.ttf") format("truetype");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}

:root {
  --ink: #102034;
  --red: #bf0a2d;
  --red-hover: #a30927;
  --gold: #c6a66b;
  --pale: #e7f1fb;
  --cream: #f6f3ee;
  --dark: #234763;
  --dark-light: #365e80;
  --line: #c9d8e5;
  --shell: 1440px;
  --side: clamp(32px, 5.55vw, 80px);
  --section-top: 76px;
  --body-font: "Noto Sans JP", "Yu Gothic", Meiryo, sans-serif;
  color: var(--ink);
  font-family: var(--body-font);
  font-size: 16px;
  line-height: 1.75;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; background: #fff; }
img { display: block; max-width: 100%; }
picture { display: block; }
picture img { width: 100%; height: auto; }
h1, h2, h3, p, dl, dd, ol, ul { margin: 0; }
h1, h2, h3 { line-height: 1.36; font-weight: 800; overflow-wrap: anywhere; }
h2 { font-size: clamp(28px, 3.05vw, 43px); letter-spacing: .01em; }
h3 { font-size: clamp(20px, 2.03vw, 29px); }
p, dd, a { overflow-wrap: anywhere; }
a { color: inherit; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid #bd903a; outline-offset: 4px; }
:target { scroll-margin-top: 18px; }
.skip-link { position: absolute; z-index: 10; inset: 12px auto auto 12px; padding: 8px 16px; background: #fff; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

.section { position: relative; overflow: hidden; isolation: isolate; }
.shell { position: relative; max-width: var(--shell); margin-inline: auto; }
.section-dark { color: white; background: linear-gradient(110deg, var(--dark-light), var(--dark)); }
.button {
  display: inline-flex;
  min-height: 54px;
  width: min(100%, 330px);
  align-items: center;
  justify-content: center;
  gap: .6em;
  padding: 9px 16px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--red);
  color: #fff;
  font-weight: 800;
  font-size: 18px;
  text-align: center;
  text-decoration: none;
  line-height: 1.35;
}
.button:hover { background: var(--red-hover); }
.text-link { display: inline-block; font-weight: 800; text-underline-offset: .2em; text-decoration-thickness: .075em; }
.text-link:hover { color: var(--red); }
.edge-note { border-inline-start: 3px solid var(--gold); padding-inline-start: 12px; }
.heading-line::after, .heading-inline::after { content: ""; display: block; width: 70px; height: 2px; background: var(--gold); margin-top: 13px; }
.heading-inline { display: flex; gap: 26px; align-items: center; }
.heading-inline::after { width: 98px; margin: 0; flex: 0 1 98px; }
.red-accent { position: relative; padding-bottom: 12px; }
.red-accent::after, .brand::after {
  content: "";
  position: absolute;
  width: 31%;
  height: 10px;
  inset: auto 6% -1px auto;
  background: var(--red);
  border-radius: 100% 0 100% 0;
  transform: skewX(-35deg) rotate(-4deg);
}
.light-corner::before {
  content: "";
  position: absolute;
  width: min(22%, 300px);
  height: 130px;
  inset: 0 auto auto 0;
  background: var(--cream);
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 300 130' preserveAspectRatio='none'%3E%3Cpath d='M0 0H300Q112 12 0 130Z'/%3E%3C/svg%3E") center / 100% 100% no-repeat;
  z-index: -1;
}
.light-corner::after, .approach::after {
  content: "";
  position: absolute;
  inset: auto 0 -1px auto;
  width: min(28%, 405px);
  height: 84px;
  background: linear-gradient(170deg, transparent 46%, #f6f0e7 47% 63%, #dcecf7 64%, #fff 100%);
  border-radius: 100% 0 0 0;
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
  z-index: -1;
}

/* Header and first view */
.site-header { position: relative; background: white; z-index: 3; }
.header-inner {
  width: min(var(--shell), 100%);
  min-height: 88px;
  margin: auto;
  padding: 0 clamp(22px, 3.2vw, 46px);
  display: grid;
  grid-template-columns: minmax(215px, 1fr) auto minmax(170px, .75fr);
  align-items: center;
  gap: clamp(12px, 3vw, 44px);
}
.brand {
  display: inline-block;
  position: relative;
  justify-self: start;
  width: max-content;
  max-width: 100%;
  font-size: clamp(22px, 2.48vw, 35px);
  font-weight: 900;
  line-height: 1.4;
  padding-bottom: 7px;
  letter-spacing: -.025em;
  text-decoration: none;
}
.brand::after { right: 4%; width: 45%; height: 8px; bottom: 2px; }
.main-nav { display: flex; align-items: center; gap: clamp(12px, 2.6vw, 38px); font-weight: 800; font-size: clamp(13px, 1.1vw, 16px); }
.main-nav a { text-decoration: none; white-space: nowrap; }
.main-nav a:hover { color: var(--red); }
.header-cta { max-width: 247px; justify-self: end; }
.mobile-cases, .menu-toggle { display: none; }
.hero-inner { min-height: clamp(625px, 56.4vw, 812px); }
.hero-copy { position: relative; z-index: 2; width: min(67%, 960px); padding: clamp(42px, 4.5vw, 65px) 0 0 clamp(36px, 6.95vw, 100px); }
.eyebrow { display: flex; align-items: center; gap: 18px; font-size: clamp(14px, 1.56vw, 23px); font-weight: 800; }
.eyebrow::after { content: ""; height: 1px; width: 97px; flex: 0 1 97px; background: var(--gold); }
.hero h1 { margin: 17px 0 20px; font-size: clamp(36px, 4.25vw, 61px); letter-spacing: -.01em; font-weight: 900; }
.hero-break, .mobile-break { display: none; }
.hero-description { max-width: 480px; font-size: clamp(16px, 1.4vw, 20px); font-weight: 500; }
.hero .button { margin-top: 24px; min-height: 68px; width: min(100%, 350px); font-size: 25px; }
.hero-area { position: relative; z-index: 2; width: max-content; max-width: calc(100% - 48px); margin: 26px 0 0 clamp(36px, 6.95vw, 100px); font-weight: 500; }
.hero-visual { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hero-plane { position: absolute; width: 60.1%; top: 0; right: 0; }
.hero-plane::after { content: ""; position: absolute; inset: 0 auto 0 0; width: 8%; background: linear-gradient(90deg, white, transparent); }
.hero-people { position: absolute; width: 50.7%; bottom: -1px; left: 10.65%; }
.hero-ribbons { position: absolute; width: 45.2%; height: 27.7%; right: 0; bottom: -1px; }
.hero-flight-curve { position: absolute; top: 0; left: 61.2%; width: 17%; height: 23.4%; }
.hero::before { content: ""; position: absolute; z-index: 1; inset: 0 auto auto max(0px, calc((100% - var(--shell)) / 2)); width: 170px; height: 114px; background: #f3eee6; clip-path: path("M 0 0 H 170 Q 72 13 0 114 Z"); pointer-events: none; }

/* Services and case studies */
.service-layout {
  min-height: 915px;
  display: grid;
  grid-template-columns: 26.8% minmax(0, 1fr);
  align-content: start;
  padding: 110px clamp(28px, 4.15vw, 60px) 110px 0;
}
.service-heading, .service-content { grid-column: 2; }
.service-heading { text-align: center; margin-bottom: 22px; }
.service-heading p { margin-top: 15px; }
.service-photo { position: absolute; width: 22.7%; left: 0; top: 170px; }
.service-row { display: grid; grid-template-columns: minmax(110px, 174px) minmax(0, 1fr); gap: 24px; align-items: center; padding: 29px 0; border-bottom: 1px solid #ffffff44; }
.service-row:first-child { padding-top: 0; }
.service-row:last-child { border: 0; }
.service-row img { width: 100%; height: auto; border-radius: 12px; }
.service-row > div { border-inline-start: 1px solid #ffffffb0; padding-inline-start: 24px; }
.service-row p:last-child { max-width: 690px; }
.service-lead { margin: 4px 0 6px; font-size: clamp(17px, 1.52vw, 22px); font-weight: 800; }
.services::before, .process::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 300px;
  height: 138px;
  background: #9bc2df94;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 300 138' preserveAspectRatio='none'%3E%3Cpath d='M0 0H300Q96 36 0 138Z'/%3E%3C/svg%3E") center / 100% 100% no-repeat;
  z-index: -1;
}
.services::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 145px;
  background: #a5c9e4a6;
  clip-path: polygon(0 55%, 5% 76%, 15% 91%, 28% 100%, 58% 100%, 77% 75%, 100% 0, 100% 100%, 0 100%);
  z-index: -1;
}
.cases-inner { padding: 110px clamp(32px, 3.9vw, 56px) 76px; }
.cases-heading { position: relative; max-width: 820px; margin-bottom: 25px; }
.cases-heading p { margin-top: 16px; }
.case-map { position: absolute; width: 29.7%; right: 16px; top: 10px; }
.featured-case { display: grid; grid-template-columns: 30% 70%; align-items: center; border-radius: 28px; padding: 30px; background: var(--pale); }
.featured-summary h3 { margin-top: 6px; }
.featured-summary img { width: min(100%, 325px); height: 145px; object-fit: contain; margin-top: 12px; }
.case-tag { display: inline-block; max-width: 100%; border-radius: 30px; padding: 3px 12px; background: #d4e5f4; font-size: 14px; font-weight: 800; }
.case-period { display: table; margin-top: 9px; padding: 1px 12px; border: 1px solid #9ebad1; border-radius: 20px; background: #fff; font-size: 14px; font-weight: 800; }
.case-stats { display: grid; grid-template-columns: 1.25fr 1fr 1fr; align-items: center; border-inline-start: 1px solid #acc8e0; padding-inline: 12px; text-align: center; }
.stat { padding-inline: 5px; font-weight: 800; line-height: 1.28; }
.stat + .stat { border-inline-start: 1px solid #acc8e0; }
.stat dt { font-size: clamp(16px, 1.55vw, 22px); }
.stat-ratio { display: block; color: var(--red); font-size: clamp(18px, 2.15vw, 31px); white-space: nowrap; }
.stat-ratio strong { font-size: clamp(27px, 3.45vw, 50px); }
.stat-main .stat-ratio strong { font-size: clamp(42px, 4.85vw, 70px); }
.stat-count { display: block; font-size: clamp(17px, 1.8vw, 25px); }
.case-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin: 24px 0 34px; }
.case-card { display: flex; flex-direction: column; align-items: center; gap: 13px; padding: 32px clamp(18px, 2.55vw, 36px); border-radius: 24px; background: var(--cream); }
.case-card h3 { text-align: center; }
.case-card .edge-note { align-self: stretch; }
.case-card img { margin-top: auto; width: 100%; height: 146px; object-fit: contain; }

/* Two-column sections */
.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  grid-template-rows: auto auto 1fr;
  gap: 17px clamp(28px, 4vw, 58px);
  align-content: start;
  padding: var(--section-top) var(--side);
}
.photo-left .split-title, .photo-left .split-intro, .photo-left .split-body { grid-column: 2; }
.photo-left .split-photo { grid-column: 1; grid-row: 1 / 4; }
.photo-right .split-title, .photo-right .split-intro, .photo-right .split-body { grid-column: 1; }
.photo-right .split-photo { grid-column: 2; grid-row: 1 / 4; }
.split-title { grid-row: 1; align-self: start; }
.split-intro { grid-row: 2; }
.split-body { grid-row: 3; }
.split-photo { min-width: 0; align-self: center; }
.round-icon { display: grid; place-items: center; flex: none; width: 65px; height: 65px; border-radius: 50%; background: #f4eee6; }
.round-icon img { width: 67%; height: 67%; object-fit: contain; }
.approach .split-layout { grid-template-columns: 41.2% minmax(0, 1fr); padding-left: 0; min-height: 708px; }
.approach .split-title, .about .split-title { font-size: clamp(28px, 2.78vw, 40px); }
.approach .split-photo { margin-top: 34px; align-self: start; }
.approach-list { display: grid; gap: 19px; margin-top: 4px; }
.approach-list article { display: flex; align-items: flex-start; gap: 15px; }
.approach-list h3 { font-size: clamp(19px, 1.65vw, 24px); margin-bottom: 6px; }

.process-inner { min-height: 702px; padding: 110px var(--side) 95px; }
.process h2, .steps { position: relative; z-index: 1; }
.process-photo { position: absolute; right: 0; top: 0; width: 60%; z-index: -1; mask-image: linear-gradient(90deg, transparent, #000 38%); }
.steps {
  max-width: 980px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  list-style: none;
  padding: 0;
  margin-top: 24px;
  gap: 12px;
}
.steps::before { content: ""; position: absolute; top: 132px; left: 12%; right: 6%; border-top: 2px solid #d3e5f4bb; }
.steps::after { content: ""; position: absolute; top: 117px; right: 4%; width: 32px; height: 32px; background: url("assets/process-route-plane.svg") center / contain no-repeat; }
.steps li { min-width: 0; }
.steps .round-icon { width: 106px; height: 106px; margin-inline: auto; background: #f4f7fa; }
.steps .round-icon img { width: 54px; height: 54px; }
.step-copy { position: relative; margin-top: 67px; padding: 0 12px 0 0; }
.step-copy::before { content: ""; position: absolute; top: -48px; left: calc(50% - 7px); width: 15px; height: 15px; border-radius: 50%; background: #e9cb8d; }
.steps li:not(:last-child) .step-copy { border-right: 1px solid #ffffff44; }
.step-number { display: block; font-size: 32px; line-height: 1.3; font-weight: 800; }
.step-copy h3 { max-width: 8em; margin: 6px 0; }
.step-copy p { font-size: 15px; }
.pricing .split-layout { min-height: 635px; grid-template-columns: 35.5% minmax(0, 1fr); padding: 110px var(--side) 76px 0; }
.pricing-plane { position: absolute; top: 32px; right: 12px; }
.pricing-list { margin: 0 0 18px; }
.pricing-list > div { display: grid; grid-template-columns: 55px minmax(120px, .55fr) minmax(0, 1fr); align-items: center; column-gap: 14px; padding: 9px 0; border-bottom: 1px solid var(--line); }
.pricing-list .round-icon { width: 48px; height: 48px; background: #e5f0f8; }
.pricing-list dt { font-size: clamp(18px, 1.7vw, 24px); font-weight: 800; }
.pricing-list dd { padding-inline-start: 12px; border-inline-start: 2px solid var(--gold); }
.about .split-layout { min-height: 650px; grid-template-columns: minmax(0, 1fr) minmax(0, .96fr); padding-right: clamp(24px, 3.75vw, 54px); }
.about .split-title { grid-column: 1 / -1; width: min(850px, 74%); }
.about .split-photo { grid-row: 2 / 4; align-self: start; margin-top: -35px; }
.about-area { align-self: start; }
.japan-map { width: min(100%, 396.8px); height: auto; margin-top: 18px; }
.column .split-layout { min-height: 499px; grid-template-columns: 39% minmax(0, 1fr); padding-inline: 13px clamp(24px, 3.9vw, 56px); gap: 14px 32px; }
.column-topics { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); list-style: none; padding: 0; margin: 13px 0 24px; }
.column-topics li { min-width: 0; display: grid; justify-items: center; align-content: start; text-align: center; padding: 0 8px; gap: 8px; font-weight: 800; }
.column-topics li:not(:last-child) { border-inline-end: 1px solid var(--line); }
.column-topics img { width: 75px; height: 67px; object-fit: contain; }
.column .split-body { text-align: center; }
.faq .split-layout { min-height: 678px; grid-template-columns: 57% minmax(0, 1fr); padding-right: 0; gap: 16px 28px; }
.faq .split-photo { align-self: start; margin-top: 30px; grid-row: 1 / 4; }
.faq-list { grid-row: 2 / 4; }
.faq-list details { padding: 9px 0; border-bottom: 1px solid var(--line); }
.faq-list details:last-child { border: 0; }
.faq-list summary, .faq-answer { display: grid; grid-template-columns: 40px minmax(0,1fr); gap: 14px; align-items: start; }
.faq-list summary { position: relative; cursor: pointer; list-style: none; min-height: 42px; font-size: clamp(18px, 1.6vw, 23px); font-weight: 800; padding-inline-end: 24px; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 3px; top: 3px; font-weight: 600; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list summary:hover { color: var(--red); }
.faq-answer { margin-top: 6px; }
.qa-mark { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 50%; background: #dceaf5; font-size: 17px; font-weight: 800; }
.faq-answer .qa-mark { color: var(--red); background: #faeee7; }

.contact .split-layout { min-height: 604px; padding: 54px clamp(28px, 4vw, 58px) 20px 0; grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); grid-template-rows: auto auto 1fr; }
.contact .split-photo { align-self: start; grid-row: 1 / 4; }
.contact .split-body { grid-row: 2; }
.contact .split-body p:first-child { max-width: 550px; }
.contact-buttons { display: flex; gap: 12px; margin: 20px 0; }
.contact-buttons .button { flex: 1 1 0; width: auto; }
.line-button { background: #fff; color: #08743d; border-color: #078046; }
.line-button:hover { background: #eef9f0; }
.contact-note { display: flex; align-items: center; gap: 10px; font-size: 16px; }
.contact-note strong { font-size: 1.22em; }
.contact-people { grid-column: 2; grid-row: 3; justify-self: end; align-self: end; width: min(72%, 410px); }
.site-footer { min-height: 589px; }
.footer-inner { padding: 110px var(--side) 44px; }
.footer-description { margin: 17px 0 20px; }
.footer-nav { max-width: 825px; width: 69%; padding: 18px 0 58px; border-block: 1px solid #ffffff55; }
.footer-nav ul { list-style: none; display: grid; grid-auto-flow: column; grid-template-rows: repeat(3, auto); grid-template-columns: 1.15fr 1fr 1fr; padding: 0; gap: 6px 22px; }
.footer-nav a { display: inline-block; text-decoration: none; }
.footer-nav a::before { content: "›"; margin-right: .62em; font-weight: 800; }
.footer-nav a:hover { text-decoration: underline; }
.footer-contact { background: var(--red); border-radius: 999px; padding-inline: 12px; }
.footer-photo { position: absolute; right: 0; top: 0; width: 48%; z-index: -1; }
.copyright { display: block; margin-top: 20px; }

@media (min-width: 821px) and (max-width: 1080px) {
  .header-inner { gap: 12px; grid-template-columns: auto 1fr auto; }
  .header-cta { min-height: 48px; font-size: 14px; padding-inline: 12px; }
  .main-nav { justify-content: center; gap: 12px; }
  .service-layout { min-height: auto; padding-block: 84px; }
  .process-inner { min-height: 650px; }
  .contact-buttons { flex-wrap: wrap; }
  .contact-buttons .button { min-width: 150px; }
  .footer-nav { width: 80%; }
}

@media (max-width: 820px) {
  :root { --side: clamp(16px, 6.15vw, 36px); --section-top: 51px; }
  h2 { font-size: clamp(25px, 6.45vw, 32px); }
  h3 { font-size: clamp(18px, 5.1vw, 24px); }
  .button { font-size: 17px; width: 100%; }
  .heading-inline { gap: 14px; }
  .heading-inline::after { width: 64px; flex-basis: 64px; }
  .light-corner::before { width: 115px; height: 55px; }
  .light-corner::after, .approach::after { display: none; }
  .header-inner { min-height: 64px; display: grid; grid-template-columns: minmax(0, 1fr) auto auto; grid-template-rows: 64px; column-gap: 8px; row-gap: 0; padding-inline: var(--side); }
  .brand { font-size: clamp(16px, 5.1vw, 24px); letter-spacing: -.04em; }
  .brand::after { height: 5px; }
  .header-cta { display: none; }
  .mobile-cases, .menu-toggle { display: grid; place-content: center; flex: none; min-width: 44px; min-height: 46px; border-radius: 10px; }
  .mobile-cases { background: #edf3f8; min-width: 54px; font-size: 15px; font-weight: 800; padding: 0 8px; text-decoration: none; }
  .menu-toggle { min-width: 48px; gap: 4px; padding: 8px; background: white; color: var(--ink); border: 1px solid #d4e1ea; cursor: pointer; }
  .menu-toggle span { display: block; width: 21px; height: 2px; background: currentColor; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(6px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-6px) rotate(-45deg); }
  .main-nav { display: none; grid-column: 1 / -1; margin-inline: calc(-1 * var(--side)); padding: 11px var(--side) 26px; background: #fff; border-top: 1px solid var(--line); font-size: 17px; }
  .menu-toggle[aria-expanded="true"] + .main-nav { display: grid; gap: 0; }
  .main-nav a { min-height: 63px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
  .main-nav a:hover, .main-nav a:focus-visible { background: #edf3f8; color: #234763; }
  .main-nav a::after { content: "›"; color: var(--red); }
  .main-nav a:last-child { border: 0; }

  .hero-inner { min-height: 0; }
  .hero-copy { width: auto; padding: 31px var(--side) 0; }
  .eyebrow { font-size: clamp(11px, 3.8vw, 16px); }
  .eyebrow::after, .hero::before, .hero-plane::after, .hero-flight-curve { display: none; }
  .hero h1 { font-size: clamp(30px, 9.6vw, 53px); margin: 13px 0 12px; max-width: 11em; }
  .hero-break, .mobile-break { display: initial; }
  .hero-description { font-size: 16px; }
  .hero .button { min-height: 54px; margin-top: 15px; font-size: 18px; max-width: 304px; }
  .hero-visual { position: relative; inset: auto; margin-top: 24px; aspect-ratio: 390 / 345; }
  .hero-plane { width: 100%; }
  .hero-people { width: 80%; left: 5.6%; }
  .hero-ribbons { width: 68%; height: 32%; }
  .hero-area { margin: 7px var(--side) 43px; font-size: 15px; }
  .service-layout, .cases-inner, .process-inner, .footer-inner { min-height: 0; padding: 64px var(--side); }
  .service-layout { display: flex; flex-direction: column; gap: 23px; }
  .service-heading { margin: 0; }
  .service-heading p { text-align: left; margin-top: 20px; }
  .service-photo, .process-photo, .footer-photo { position: relative; width: 100%; inset: auto; }
  .service-row { display: block; padding: 23px 0; }
  .service-row img { width: 110px; margin-bottom: 10px; }
  .service-row > div { padding: 0; border: 0; }
  .service-row h3 { margin-bottom: 3px; }
  .service-lead { margin: 4px 0; font-size: 17px; }
  .services::before, .process::before { width: 155px; height: 75px; }
  .services::after { display: none; }
  .case-map { width: 34%; top: 8px; right: 10px; }
  .cases-heading h2 { max-width: 84%; }
  .cases-heading p { margin-top: 15px; }
  .featured-case { display: block; padding: 18px; border-radius: 20px; }
  .featured-summary img { height: 126px; margin: 12px auto 8px; }
  .case-stats { grid-template-columns: 1fr 1fr; padding: 0; border: 0; gap: 15px 3px; }
  .stat-main { grid-column: 1 / -1; }
  .stat + .stat { border: 0; }
  .stat-ratio strong { font-size: clamp(29px, 9vw, 44px); }
  .stat-main .stat-ratio strong { font-size: clamp(44px, 13vw, 62px); }
  .case-grid { grid-template-columns: 1fr; gap: 16px; margin-bottom: 25px; }
  .case-card { padding: 19px; border-radius: 18px; }
  .case-card img { height: 123px; }
  .cases .text-link, .pricing .text-link { display: table; margin-inline: auto; }

  .split-layout,
  .approach .split-layout,
  .pricing .split-layout,
  .about .split-layout,
  .column .split-layout,
  .faq .split-layout,
  .contact .split-layout { display: flex; flex-direction: column; min-height: 0; gap: 20px; padding: var(--section-top) var(--side); }
  .split-photo, .approach .split-photo, .about .split-photo, .faq .split-photo { align-self: stretch; margin: 0; }
  .approach .split-title, .about .split-title { font-size: clamp(25px, 6.45vw, 32px); }
  .about .split-title { width: 100%; }
  .approach-list { gap: 21px; }
  .approach-list article { gap: 12px; }
  .approach-list .round-icon { width: 60px; height: 60px; }
  .approach-list h3 { font-size: 19px; }
  .steps { display: flex; flex-direction: column; gap: 16px; margin: 24px 0; }
  .steps::before, .steps::after, .step-copy::before { display: none; }
  .process-photo { mask-image: none; }
  .steps li { display: flex; align-items: flex-start; gap: 14px; padding: 13px; border-radius: 13px; background: #ffffff0b; }
  .steps .round-icon { width: 58px; height: 58px; margin: 0; }
  .steps .round-icon img { width: 39px; height: 39px; }
  .step-copy { margin: 0; padding: 0; }
  .steps li:not(:last-child) .step-copy { border: 0; }
  .step-number { font-size: 15px; }
  .step-copy h3 { max-width: none; margin: 1px 0 5px; }
  .pricing-plane { display: none; }
  .pricing-list > div { grid-template-columns: 48px minmax(0,1fr); gap: 0 12px; padding: 9px 0; }
  .pricing-list .round-icon { grid-row: 1 / 3; }
  .pricing-list dd { padding: 0; border: 0; }
  .japan-map { width: min(100%, 210.6px); margin-top: 20px; }
  .column-topics { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 9px; }
  .column-topics li { padding: 13px 4px; border: 0 !important; border-radius: 10px; background: #f6f8fa; font-size: 14px; }
  .faq-list summary, .faq-answer { grid-template-columns: 32px minmax(0,1fr); gap: 10px; }
  .faq-list summary { min-height: 36px; font-size: 17px; padding-inline-end: 18px; }
  .qa-mark { width: 32px; height: 32px; font-size: 15px; }
  .faq-list details { padding: 12px 0; }
  .contact .split-layout { padding-bottom: 24px; }
  .contact .split-photo { align-self: stretch; }
  .contact-buttons { flex-direction: column; margin: 16px 0; gap: 8px; }
  .contact-people { align-self: center; width: 100%; }
  .site-footer { min-height: 0; }
  .footer-description { font-size: 15px; }
  .footer-nav { width: 100%; max-width: none; padding: 16px 0; }
  .footer-nav ul { grid-auto-flow: row; grid-template-rows: none; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 9px 8px; font-size: 14px; }
  .footer-nav li:first-child { grid-column: 1 / -1; }
  .footer-photo { margin-top: 15px; }
  .footer-contact { padding-inline: 7px; }
  .copyright { margin-top: 16px; }
}

@media (max-width: 370px) {
  .header-inner { gap: 5px; }
  .mobile-cases, .menu-toggle { min-width: 40px; }
  .hero-description br { display: none; }
  .case-tag { font-size: 12px; }
  .stat dt { font-size: 14px; }
  .stat-ratio { font-size: 16px; }
}

.process-detail { position: relative; z-index: 1; margin: 24px 0 18px; }
@media (max-width: 820px) { .footer-nav li:first-child { grid-column: auto; } }