/* ATTOMM C&C renewal prototype
   Static, dependency-free, responsive, accessible-first. */
:root {
  --ink: #0b1729;
  --ink-2: #243650;
  --muted: #61718a;
  --line: #dce6f2;
  --line-strong: #c8d8e9;
  --paper: #ffffff;
  --soft: #f4f8fc;
  --soft-blue: #ecf6ff;
  --navy: #071a32;
  --navy-2: #0b2747;
  --blue: #137de5;
  --blue-2: #075db6;
  --cyan: #42d6df;
  --green: #28b88a;
  --orange: #ff9a5a;
  --shadow-sm: 0 10px 30px rgba(5, 31, 63, .08);
  --shadow-md: 0 18px 55px rgba(5, 31, 63, .13);
  --shadow-lg: 0 30px 90px rgba(5, 31, 63, .20);
  --radius-sm: 12px;
  --radius: 20px;
  --radius-lg: 32px;
  --container: 1200px;
  --header-h: 82px;
  --font-sans: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: "Avenir Next", "Helvetica Neue", var(--font-sans);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 24px); }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: .025em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.nav-open { overflow: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { color: inherit; }
::selection { color: #fff; background: var(--blue); }
:focus-visible { outline: 3px solid rgba(19, 125, 229, .45); outline-offset: 4px; border-radius: 4px; }

.skip-link {
  position: fixed; left: 12px; top: -100px; z-index: 9999;
  padding: 10px 16px; color: #fff; background: var(--navy); border-radius: 8px;
  transition: top .2s ease;
}
.skip-link:focus { top: 12px; }

.container { width: min(calc(100% - 48px), var(--container)); margin-inline: auto; }
.container--narrow { width: min(calc(100% - 48px), 860px); margin-inline: auto; }
.section { position: relative; padding: 112px 0; }
.section--sm { padding: 72px 0; }
.section--soft { background: var(--soft); }
.section--navy { color: #fff; background: var(--navy); }
.section--gradient {
  background:
    radial-gradient(circle at 90% 10%, rgba(66,214,223,.16), transparent 34%),
    radial-gradient(circle at 4% 88%, rgba(19,125,229,.13), transparent 37%),
    var(--soft);
}

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  margin: 0 0 18px; color: var(--blue); font-family: var(--font-display);
  font-size: .77rem; font-weight: 800; letter-spacing: .17em; line-height: 1.4; text-transform: uppercase;
}
.eyebrow::before { width: 30px; height: 2px; content: ""; background: currentColor; }
.section--navy .eyebrow, .dark-panel .eyebrow { color: var(--cyan); }
.display-title {
  max-width: 900px; margin: 0; font-family: var(--font-display); font-size: clamp(2.35rem, 5.6vw, 5rem);
  font-weight: 700; line-height: 1.15; letter-spacing: -.045em;
}
.section-title {
  margin: 0; font-family: var(--font-display); font-size: clamp(2rem, 4vw, 3.35rem);
  font-weight: 700; line-height: 1.27; letter-spacing: -.035em;
}
.section-lead { max-width: 730px; margin: 22px 0 0; color: var(--ink-2); font-size: clamp(1rem, 1.6vw, 1.16rem); }
.section--navy .section-lead, .dark-panel .section-lead { color: rgba(255,255,255,.74); }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 42px; margin-bottom: 54px; }
.section-head__copy { max-width: 790px; }
.section-head__aside { flex: 0 0 auto; }
.text-link {
  display: inline-flex; align-items: center; gap: 12px; color: var(--blue); font-size: .94rem; font-weight: 700;
}
.text-link::after { content: "→"; transition: transform .2s ease; }
.text-link:hover::after { transform: translateX(4px); }
.muted { color: var(--muted); }
.small { font-size: .875rem; }
.note { padding: 18px 20px; color: var(--ink-2); background: var(--soft-blue); border: 1px solid #d5eaff; border-radius: var(--radius-sm); font-size: .9rem; }

/* Header */
.site-header {
  position: fixed; inset: 0 0 auto; z-index: 1000; height: var(--header-h);
  background: rgba(255,255,255,.92); border-bottom: 1px solid rgba(214,226,239,.8);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  transition: box-shadow .25s ease, background .25s ease;
}
.site-header.is-scrolled { background: rgba(255,255,255,.98); box-shadow: 0 8px 28px rgba(7,30,62,.08); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 100%; gap: 30px; }
.brand { display: inline-flex; align-items: center; flex: 0 0 auto; gap: 10px; }
.brand img { width: 240px; height: auto; }
.desktop-nav { display: flex; align-items: center; gap: 2px; margin-left: auto; }
.nav-link, .nav-trigger {
  display: inline-flex; align-items: center; min-height: 44px; padding: 0 13px;
  color: var(--ink-2); background: transparent; border: 0; border-radius: 8px;
  cursor: pointer; font-size: .86rem; font-weight: 700; white-space: nowrap;
  transition: color .2s ease, background .2s ease;
}
.nav-link:hover, .nav-link.is-current, .nav-trigger:hover { color: var(--blue); background: var(--soft-blue); }
.nav-trigger::after { margin-left: 7px; content: "⌄"; font-size: .72rem; transition: transform .2s ease; }
.nav-item:hover .nav-trigger::after, .nav-item:focus-within .nav-trigger::after { transform: rotate(180deg); }
.nav-item { position: relative; }
.mega-menu {
  position: absolute; top: calc(100% + 14px); left: 50%; width: min(760px, 86vw); padding: 24px;
  visibility: hidden; opacity: 0; transform: translate(-50%, 10px);
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-lg);
  transition: .22s ease; pointer-events: none;
}
.nav-item:hover .mega-menu, .nav-item:focus-within .mega-menu { visibility: visible; opacity: 1; transform: translate(-50%,0); pointer-events: auto; }
.mega-menu__intro { display: flex; align-items: flex-start; justify-content: space-between; gap: 22px; padding: 0 4px 18px; border-bottom: 1px solid var(--line); }
.mega-menu__intro strong { display: block; margin-bottom: 4px; font-size: 1.05rem; }
.mega-menu__intro span { color: var(--muted); font-size: .82rem; }
.mega-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px; padding-top: 16px; }
.mega-link { display: grid; grid-template-columns: 38px 1fr; gap: 12px; padding: 12px; border-radius: 12px; transition: background .2s ease, transform .2s ease; }
.mega-link:hover { background: var(--soft); transform: translateY(-1px); }
.mega-link__no { display: grid; place-items: center; width: 38px; height: 38px; color: var(--blue); background: var(--soft-blue); border-radius: 50%; font-size: .72rem; font-weight: 800; }
.mega-link strong { display: block; font-size: .88rem; line-height: 1.45; }
.mega-link small { color: var(--muted); font-size: .72rem; line-height: 1.45; }
.header-cta { margin-left: 8px; }
.mobile-toggle { display: none; width: 46px; height: 46px; padding: 0; background: var(--navy); border: 0; border-radius: 50%; cursor: pointer; }
.mobile-toggle span { display: block; width: 19px; height: 2px; margin: 5px auto; background: #fff; transition: .25s ease; }
body.nav-open .mobile-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.nav-open .mobile-toggle span:nth-child(2) { opacity: 0; }
body.nav-open .mobile-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-nav { display: none; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 52px; padding: 0 25px;
  color: #fff; background: var(--blue); border: 1px solid var(--blue); border-radius: 999px;
  cursor: pointer; font-size: .92rem; font-weight: 750; letter-spacing: .025em;
  box-shadow: 0 12px 24px rgba(19,125,229,.22); transition: transform .22s ease, box-shadow .22s ease, background .22s ease;
}
.btn::after { content: "→"; font-size: 1.05em; }
.btn:hover { background: var(--blue-2); box-shadow: 0 16px 34px rgba(19,125,229,.3); transform: translateY(-2px); }
.btn--small { min-height: 44px; padding: 0 19px; font-size: .82rem; }
.btn--ghost { color: var(--ink); background: transparent; border-color: var(--line-strong); box-shadow: none; }
.btn--ghost:hover { color: var(--blue); background: var(--soft-blue); border-color: #afcef0; box-shadow: none; }
.btn--white { color: var(--navy); background: #fff; border-color: #fff; box-shadow: 0 12px 30px rgba(0,0,0,.12); }
.btn--white:hover { color: var(--blue); background: #fff; }
.btn--text { min-height: 0; padding: 0; color: var(--blue); background: none; border: 0; border-radius: 0; box-shadow: none; }
.btn--text:hover { background: none; box-shadow: none; }
.button-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }

main { display: block; padding-top: var(--header-h); }

/* Home hero */
.home-hero { position: relative; min-height: 760px; overflow: hidden; color: #fff; background: var(--navy); }
.hero-slider { position: absolute; inset: 0; }
.hero-slide { position: absolute; inset: 0; opacity: 0; transform: scale(1.03); transition: opacity 1s ease, transform 7s ease; }
.hero-slide.is-active { opacity: 1; transform: scale(1); }
.hero-slide::after {
  position: absolute; inset: 0; content: "";
  background: linear-gradient(90deg, rgba(4,18,36,.96) 0%, rgba(4,18,36,.84) 37%, rgba(4,18,36,.22) 72%, rgba(4,18,36,.08) 100%);
}
.hero-slide img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 720px) 1fr; align-items: center; min-height: 760px; padding: 72px 0; }
.home-hero .eyebrow { color: var(--cyan); }
.hero-copy { max-width: 720px; }
.hero-copy h1 { margin: 0; font-size: clamp(2.75rem, 6vw, 5.3rem); font-weight: 700; line-height: 1.15; letter-spacing: -.055em; }
.hero-copy h1 .accent { color: #67e1e7; }
.hero-copy p { max-width: 650px; margin: 26px 0 0; color: rgba(255,255,255,.82); font-size: clamp(1rem, 1.6vw, 1.16rem); }
.hero-proof { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 25px; padding: 0; list-style: none; }
.hero-proof li { position: relative; padding-left: 17px; color: rgba(255,255,255,.72); font-size: .86rem; }
.hero-proof li::before { position: absolute; left: 0; top: .78em; width: 6px; height: 6px; content: ""; background: var(--cyan); border-radius: 50%; transform: translateY(-50%); }
.hero-controls { position: absolute; z-index: 3; right: max(24px, calc((100vw - var(--container))/2)); bottom: 40px; display: flex; align-items: center; gap: 10px; }
.hero-dot { width: 36px; height: 4px; padding: 0; overflow: hidden; text-indent: -999px; background: rgba(255,255,255,.35); border: 0; border-radius: 2px; cursor: pointer; }
.hero-dot.is-active { background: var(--cyan); }
.hero-scroll { position: absolute; z-index: 3; bottom: 35px; left: max(24px, calc((100vw - var(--container))/2)); display: flex; align-items: center; gap: 12px; color: rgba(255,255,255,.65); font-size: .7rem; letter-spacing: .18em; writing-mode: vertical-rl; }
.hero-scroll::after { width: 1px; height: 52px; content: ""; background: linear-gradient(var(--cyan), transparent); }

.principles { position: relative; z-index: 4; margin-top: -40px; }
.principle-grid { display: grid; grid-template-columns: repeat(4,1fr); overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-md); }
.principle { position: relative; padding: 30px 28px; }
.principle + .principle { border-left: 1px solid var(--line); }
.principle span { display: block; margin-bottom: 8px; color: var(--blue); font-family: var(--font-display); font-size: .72rem; font-weight: 800; letter-spacing: .16em; }
.principle strong { display: block; margin-bottom: 7px; font-size: 1.05rem; }
.principle p { margin: 0; color: var(--muted); font-size: .82rem; line-height: 1.65; }

/* Cards and grids */
.grid-2 { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 26px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 26px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 22px; }
.problem-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; }
.problem-card {
  position: relative; min-height: 230px; padding: 32px; overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-sm); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.problem-card:hover { border-color: #b7d5f2; box-shadow: var(--shadow-md); transform: translateY(-5px); }
.problem-card__no { display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px; color: var(--blue); background: var(--soft-blue); border-radius: 50%; font-family: var(--font-display); font-size: .72rem; font-weight: 800; }
.problem-card h3 { margin: 23px 0 10px; font-size: 1.18rem; line-height: 1.5; }
.problem-card p { margin: 0; color: var(--muted); font-size: .9rem; }
.problem-card__arrow { position: absolute; right: 26px; bottom: 24px; color: var(--blue); font-size: 1.2rem; }

.approach-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; counter-reset: approach; }
.approach-card { position: relative; padding: 38px 34px 34px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14); border-radius: var(--radius); }
.approach-card::before { counter-increment: approach; content: "0" counter(approach); display: block; margin-bottom: 46px; color: var(--cyan); font-family: var(--font-display); font-size: .8rem; font-weight: 800; letter-spacing: .12em; }
.approach-card h3 { margin: 0 0 12px; font-size: 1.35rem; }
.approach-card p { margin: 0; color: rgba(255,255,255,.68); font-size: .91rem; }
.approach-line { position: absolute; top: 58px; right: -20px; width: 40px; height: 1px; background: rgba(66,214,223,.5); }
.approach-card:last-child .approach-line { display: none; }

.service-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 22px; }
.service-card {
  position: relative; display: grid; grid-template-columns: 82px 1fr auto; align-items: start; gap: 24px;
  min-height: 220px; padding: 34px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.service-card:hover { border-color: #b3d5f6; box-shadow: var(--shadow-md); transform: translateY(-4px); }
.service-card__number { display: grid; place-items: center; width: 72px; height: 72px; color: #fff; background: linear-gradient(145deg,var(--blue),#42b7ec); border-radius: 22px 22px 22px 5px; font-family: var(--font-display); font-size: .9rem; font-weight: 800; letter-spacing: .08em; }
.service-card:nth-child(2n) .service-card__number { background: linear-gradient(145deg,#0f3f7e,#21b7bf); }
.service-card__tag { display: inline-block; margin-bottom: 8px; color: var(--blue); font-size: .7rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.service-card h3 { margin: 0 0 10px; font-size: 1.25rem; line-height: 1.45; }
.service-card p { margin: 0; color: var(--muted); font-size: .88rem; }
.service-card__arrow { align-self: center; display: grid; place-items: center; width: 44px; height: 44px; color: var(--blue); background: var(--soft-blue); border-radius: 50%; transition: transform .2s ease; }
.service-card:hover .service-card__arrow { transform: translateX(4px); }

.ai-panel { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; overflow: hidden; border-radius: var(--radius-lg); background: var(--navy); box-shadow: var(--shadow-lg); }
.ai-panel__copy { padding: clamp(44px,6vw,76px); color: #fff; }
.ai-panel__copy h2 { margin: 0; font-size: clamp(2rem,4vw,3.25rem); line-height: 1.32; letter-spacing: -.035em; }
.ai-panel__copy p { color: rgba(255,255,255,.72); }
.ai-panel__visual { position: relative; min-height: 520px; background: linear-gradient(140deg,#0d3158,#0b8eb8); }
.ai-orbit { position: absolute; inset: 50% auto auto 50%; width: 320px; height: 320px; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; transform: translate(-50%,-50%); }
.ai-orbit::before, .ai-orbit::after { position: absolute; inset: 38px; content: ""; border: 1px solid rgba(255,255,255,.22); border-radius: 50%; }
.ai-orbit::after { inset: 83px; }
.ai-core { position: absolute; inset: 50% auto auto 50%; display: grid; place-items: center; width: 112px; height: 112px; color: #fff; background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.34); border-radius: 31px; box-shadow: 0 0 80px rgba(66,214,223,.36); transform: translate(-50%,-50%); font-family: var(--font-display); font-size: 1.5rem; font-weight: 800; backdrop-filter: blur(8px); }
.orbit-label { position: absolute; padding: 8px 12px; color: #fff; background: rgba(4,18,36,.55); border: 1px solid rgba(255,255,255,.16); border-radius: 999px; font-size: .72rem; backdrop-filter: blur(8px); }
.orbit-label--1 { top: 14%; left: 13%; }
.orbit-label--2 { top: 23%; right: 7%; }
.orbit-label--3 { bottom: 21%; left: 6%; }
.orbit-label--4 { right: 15%; bottom: 13%; }

.case-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.case-card { overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.case-card__visual { position: relative; display: grid; place-items: center; min-height: 210px; overflow: hidden; background: linear-gradient(135deg,#0b2747,#1288c8); }
.case-card:nth-child(2) .case-card__visual { background: linear-gradient(135deg,#132847,#2c8a78); }
.case-card:nth-child(3) .case-card__visual { background: linear-gradient(135deg,#253455,#795d9c); }
.case-card__visual::before, .case-card__visual::after { position: absolute; content: ""; border: 1px solid rgba(255,255,255,.23); border-radius: 50%; }
.case-card__visual::before { width: 210px; height: 210px; right: -70px; top: -80px; }
.case-card__visual::after { width: 150px; height: 150px; left: -40px; bottom: -70px; }
.case-card__symbol { position: relative; z-index: 1; color: rgba(255,255,255,.95); font-family: var(--font-display); font-size: 2.25rem; font-weight: 800; letter-spacing: -.04em; }
.case-card__body { padding: 28px; }
.case-card__type { color: var(--blue); font-size: .72rem; font-weight: 800; letter-spacing: .11em; }
.case-card h3 { margin: 8px 0 11px; font-size: 1.16rem; line-height: 1.5; }
.case-card p { margin: 0; color: var(--muted); font-size: .87rem; }
.case-card dl { display: grid; grid-template-columns: 74px 1fr; gap: 9px 12px; margin: 22px 0 0; padding-top: 19px; border-top: 1px solid var(--line); font-size: .8rem; }
.case-card dt { color: var(--muted); }
.case-card dd { margin: 0; font-weight: 650; }

.diagnosis-banner { position: relative; display: grid; grid-template-columns: 1.2fr .8fr; align-items: center; min-height: 390px; overflow: hidden; color: #fff; background: linear-gradient(125deg,#071a32,#0d4e7d 65%,#0f9cb1); border-radius: var(--radius-lg); }
.diagnosis-banner::before { position: absolute; right: -120px; top: -200px; width: 520px; height: 520px; content: ""; border: 1px solid rgba(255,255,255,.16); border-radius: 50%; }
.diagnosis-banner::after { position: absolute; right: 80px; bottom: -230px; width: 400px; height: 400px; content: ""; border: 1px solid rgba(255,255,255,.14); border-radius: 50%; }
.diagnosis-banner__copy { position: relative; z-index: 2; padding: clamp(42px,6vw,76px); }
.diagnosis-banner h2 { margin: 0; font-size: clamp(2rem,4vw,3.2rem); line-height: 1.3; letter-spacing: -.035em; }
.diagnosis-banner p { max-width: 650px; color: rgba(255,255,255,.74); }
.diagnosis-banner__facts { position: relative; z-index: 2; display: grid; gap: 14px; padding: 50px; }
.fact-pill { display: flex; align-items: center; gap: 13px; padding: 16px 19px; color: #fff; background: rgba(255,255,255,.10); border: 1px solid rgba(255,255,255,.18); border-radius: 14px; backdrop-filter: blur(8px); font-size: .9rem; }
.fact-pill::before { display: grid; place-items: center; flex: 0 0 25px; width: 25px; height: 25px; content: "✓"; color: var(--navy); background: var(--cyan); border-radius: 50%; font-size: .7rem; font-weight: 900; }

.link-panels { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.link-panel { position: relative; min-height: 250px; padding: 34px; overflow: hidden; color: #fff; background: var(--navy-2); border-radius: var(--radius); transition: transform .25s ease; }
.link-panel:nth-child(2) { background: #0b4c73; }
.link-panel:nth-child(3) { background: #176a72; }
.link-panel:hover { transform: translateY(-4px); }
.link-panel__en { color: rgba(255,255,255,.55); font-family: var(--font-display); font-size: .73rem; font-weight: 800; letter-spacing: .16em; }
.link-panel h3 { margin: 56px 0 10px; font-size: 1.35rem; }
.link-panel p { margin: 0; color: rgba(255,255,255,.7); font-size: .84rem; }
.link-panel__arrow { position: absolute; right: 28px; top: 28px; display: grid; place-items: center; width: 42px; height: 42px; background: rgba(255,255,255,.12); border-radius: 50%; }

/* Interior hero */
.page-hero { position: relative; min-height: 500px; overflow: hidden; color: #fff; background: var(--navy); }
.page-hero::before { position: absolute; inset: 0; content: ""; background:
  radial-gradient(circle at 80% 30%, rgba(66,214,223,.18), transparent 30%),
  radial-gradient(circle at 55% 100%, rgba(19,125,229,.21), transparent 35%); }
.page-hero::after { position: absolute; right: -8vw; top: -18vw; width: 48vw; height: 48vw; content: ""; border: 1px solid rgba(255,255,255,.12); border-radius: 50%; }
.page-hero__inner { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0,780px) 1fr; align-items: center; min-height: 500px; padding: 74px 0; }
.page-hero h1 { margin: 0; font-size: clamp(2.35rem,5vw,4.4rem); line-height: 1.22; letter-spacing: -.045em; }
.page-hero p { max-width: 750px; margin: 24px 0 0; color: rgba(255,255,255,.76); font-size: clamp(1rem,1.7vw,1.13rem); }
.page-hero__mark { justify-self: end; position: relative; width: 240px; height: 240px; }
.page-hero__mark span { position: absolute; inset: 0; border: 1px solid rgba(255,255,255,.18); border-radius: 42% 58% 58% 42% / 52% 45% 55% 48%; transform: rotate(22deg); }
.page-hero__mark span:nth-child(2) { inset: 35px; transform: rotate(-18deg); }
.page-hero__mark span:nth-child(3) { inset: 79px; display: grid; place-items: center; color: var(--cyan); background: rgba(255,255,255,.05); border-radius: 25px; transform: rotate(0); font-family: var(--font-display); font-size: 1.6rem; font-weight: 800; }
.breadcrumbs { color: var(--muted); background: #fff; border-bottom: 1px solid var(--line); }
.breadcrumbs ol { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; min-height: 52px; margin: 0; padding: 0; list-style: none; font-size: .76rem; }
.breadcrumbs li + li::before { margin-right: 8px; content: "/"; color: #a4b3c5; }
.breadcrumbs a:hover { color: var(--blue); }

.summary-bar { position: relative; z-index: 5; margin-top: -34px; }
.summary-grid { display: grid; grid-template-columns: repeat(4,1fr); overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-md); }
.summary-item { padding: 28px 24px; }
.summary-item + .summary-item { border-left: 1px solid var(--line); }
.summary-item__icon { display: grid; place-items: center; width: 38px; height: 38px; margin-bottom: 15px; color: var(--blue); background: var(--soft-blue); border-radius: 10px; font-size: .76rem; font-weight: 800; }
.summary-item strong { display: block; font-size: .98rem; line-height: 1.5; }
.summary-item p { margin: 7px 0 0; color: var(--muted); font-size: .78rem; line-height: 1.55; }

.anchor-nav { position: sticky; z-index: 50; top: var(--header-h); background: rgba(255,255,255,.94); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
.anchor-nav__inner { display: flex; align-items: center; gap: 5px; overflow-x: auto; padding: 10px 0; scrollbar-width: none; }
.anchor-nav__inner::-webkit-scrollbar { display: none; }
.anchor-nav a { flex: 0 0 auto; padding: 8px 13px; color: var(--muted); border-radius: 999px; font-size: .77rem; font-weight: 700; }
.anchor-nav a:hover { color: var(--blue); background: var(--soft-blue); }

.content-split { display: grid; grid-template-columns: minmax(0,1.05fr) minmax(340px,.7fr); align-items: start; gap: 74px; }
.content-split--reverse { grid-template-columns: minmax(340px,.7fr) minmax(0,1.05fr); }
.content-split__visual { position: sticky; top: calc(var(--header-h) + 80px); }
.abstract-visual { position: relative; min-height: 450px; overflow: hidden; background: linear-gradient(145deg,var(--navy),#105f8a); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }
.abstract-visual::before { position: absolute; right: -95px; top: -100px; width: 330px; height: 330px; content: ""; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; }
.abstract-visual::after { position: absolute; left: -85px; bottom: -110px; width: 290px; height: 290px; content: ""; border: 1px solid rgba(255,255,255,.19); border-radius: 50%; }
.abstract-visual__label { position: absolute; left: 35px; bottom: 35px; color: rgba(255,255,255,.86); font-family: var(--font-display); font-size: 1.8rem; font-weight: 800; line-height: 1.15; letter-spacing: -.035em; }
.abstract-visual__number { position: absolute; right: 28px; top: 24px; color: rgba(255,255,255,.18); font-family: var(--font-display); font-size: 6.8rem; font-weight: 800; line-height: 1; }

.feature-list { display: grid; gap: 0; margin-top: 36px; border-top: 1px solid var(--line); }
.feature-item { display: grid; grid-template-columns: 54px 1fr; gap: 20px; padding: 25px 0; border-bottom: 1px solid var(--line); }
.feature-item__no { color: var(--blue); font-family: var(--font-display); font-size: .8rem; font-weight: 800; letter-spacing: .12em; }
.feature-item h3 { margin: 0 0 7px; font-size: 1.06rem; }
.feature-item p { margin: 0; color: var(--muted); font-size: .88rem; }

.detail-cards { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.detail-card { padding: 29px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.detail-card__label { display: inline-flex; align-items: center; justify-content: center; min-width: 34px; height: 34px; margin-bottom: 18px; padding: 0 10px; color: var(--blue); background: var(--soft-blue); border-radius: 9px; font-size: .72rem; font-weight: 800; }
.detail-card h3 { margin: 0 0 10px; font-size: 1.08rem; }
.detail-card p { margin: 0; color: var(--muted); font-size: .86rem; }
.detail-card ul { margin: 16px 0 0; padding-left: 1.2em; color: var(--muted); font-size: .84rem; }

.check-list { display: grid; gap: 12px; margin: 26px 0 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding: 14px 18px 14px 48px; background: #fff; border: 1px solid var(--line); border-radius: 12px; font-size: .9rem; }
.check-list li::before { position: absolute; left: 17px; top: 15px; display: grid; place-items: center; width: 22px; height: 22px; content: "✓"; color: #fff; background: var(--blue); border-radius: 50%; font-size: .68rem; font-weight: 900; }
.section--navy .check-list li { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.14); }

.process { display: grid; gap: 0; margin-top: 42px; counter-reset: process; }
.process-step { display: grid; grid-template-columns: 92px 1fr; gap: 30px; min-height: 150px; }
.process-step__marker { position: relative; display: flex; flex-direction: column; align-items: center; }
.process-step__marker::before { counter-increment: process; display: grid; place-items: center; z-index: 2; width: 64px; height: 64px; content: counter(process, decimal-leading-zero); color: #fff; background: var(--blue); border-radius: 50%; font-family: var(--font-display); font-size: .77rem; font-weight: 800; box-shadow: 0 8px 24px rgba(19,125,229,.22); }
.process-step__marker::after { flex: 1; width: 1px; content: ""; background: var(--line-strong); }
.process-step:last-child .process-step__marker::after { display: none; }
.process-step__body { padding: 8px 0 34px; }
.process-step__body h3 { margin: 0 0 9px; font-size: 1.15rem; }
.process-step__body p { margin: 0; color: var(--muted); font-size: .9rem; }
.process-step__deliverable { display: inline-flex; margin-top: 13px; padding: 6px 11px; color: var(--blue); background: var(--soft-blue); border-radius: 999px; font-size: .75rem; font-weight: 700; }

.table-wrap { overflow-x: auto; margin-top: 28px; border: 1px solid var(--line); border-radius: var(--radius); }
.info-table { width: 100%; border-collapse: collapse; background: #fff; min-width: 660px; }
.info-table th, .info-table td { padding: 19px 21px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; font-size: .87rem; }
.info-table th { width: 28%; color: var(--ink); background: var(--soft); font-weight: 750; }
.info-table tr:last-child th, .info-table tr:last-child td { border-bottom: 0; }

.kpi-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; margin-top: 30px; }
.kpi { padding: 24px; background: #fff; border: 1px solid var(--line); border-radius: 16px; }
.kpi span { display: block; margin-bottom: 9px; color: var(--blue); font-family: var(--font-display); font-size: .68rem; font-weight: 800; letter-spacing: .12em; }
.kpi strong { display: block; font-size: 1rem; }
.kpi p { margin: 8px 0 0; color: var(--muted); font-size: .8rem; }

.faq-list { display: grid; gap: 12px; }
.faq-item { overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: 15px; }
.faq-item summary { position: relative; display: flex; align-items: flex-start; gap: 16px; padding: 22px 60px 22px 24px; cursor: pointer; list-style: none; font-weight: 750; line-height: 1.65; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before { flex: 0 0 auto; content: "Q"; color: var(--blue); font-family: var(--font-display); font-weight: 900; }
.faq-item summary::after { position: absolute; right: 24px; top: 25px; content: "+"; color: var(--blue); font-size: 1.2rem; line-height: 1; transition: transform .2s ease; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-answer { display: grid; grid-template-columns: 20px 1fr; gap: 16px; padding: 0 24px 23px; color: var(--muted); font-size: .88rem; }
.faq-answer::before { content: "A"; color: var(--green); font-family: var(--font-display); font-weight: 900; }
.faq-answer p { margin: 0; }

.service-cta { position: relative; overflow: hidden; padding: 70px; color: #fff; background: linear-gradient(125deg,var(--navy),#0b4777); border-radius: var(--radius-lg); }
.service-cta::after { position: absolute; right: -120px; top: -130px; width: 390px; height: 390px; content: ""; border: 1px solid rgba(255,255,255,.16); border-radius: 50%; }
.service-cta__inner { position: relative; z-index: 2; display: flex; align-items: flex-end; justify-content: space-between; gap: 45px; }
.service-cta h2 { max-width: 760px; margin: 0; font-size: clamp(1.8rem,3.8vw,3rem); line-height: 1.35; letter-spacing: -.03em; }
.service-cta p { max-width: 680px; margin: 16px 0 0; color: rgba(255,255,255,.72); }

/* Diagnosis */
.diagnosis-metrics { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; margin-top: 36px; }
.diagnosis-metric { padding: 22px; background: #fff; border: 1px solid var(--line); border-radius: 15px; }
.diagnosis-metric strong { display: block; color: var(--blue); font-family: var(--font-display); font-size: 1.5rem; }
.diagnosis-metric span { color: var(--muted); font-size: .79rem; }
.category-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; }
.category-card { min-height: 210px; padding: 27px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.category-card__no { color: var(--blue); font-family: var(--font-display); font-size: .75rem; font-weight: 800; }
.category-card h3 { margin: 25px 0 9px; font-size: 1.03rem; }
.category-card p { margin: 0; color: var(--muted); font-size: .8rem; }

/* Forms */
.form-layout { display: grid; grid-template-columns: minmax(0,1fr) 350px; align-items: start; gap: 52px; }
.form-card { padding: 42px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); }
.form-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 23px; }
.form-field { display: grid; gap: 8px; }
.form-field--full { grid-column: 1 / -1; }
.form-field label, .form-label { font-size: .87rem; font-weight: 750; }
.required, .optional { display: inline-block; margin-left: 7px; padding: 2px 7px; border-radius: 999px; font-size: .65rem; font-weight: 750; vertical-align: 1px; }
.required { color: #fff; background: #e55a67; }
.optional { color: var(--muted); background: var(--soft); }
.form-field input, .form-field select, .form-field textarea {
  width: 100%; color: var(--ink); background: #fff; border: 1px solid var(--line-strong); border-radius: 10px;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.form-field input, .form-field select { height: 52px; padding: 0 15px; }
.form-field textarea { min-height: 170px; padding: 14px 15px; resize: vertical; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 4px rgba(19,125,229,.1); }
.form-help { margin: 0; color: var(--muted); font-size: .74rem; }
.checkbox-field { display: flex; align-items: flex-start; gap: 11px; margin-top: 5px; font-size: .82rem; }
.checkbox-field input { flex: 0 0 auto; width: 18px; height: 18px; margin-top: 5px; }
.form-submit { width: 100%; margin-top: 28px; }
.form-submit .btn { width: 100%; min-height: 58px; }
.form-message { display: none; margin-top: 18px; padding: 16px 18px; color: #0d614e; background: #e9faf4; border: 1px solid #bde9da; border-radius: 12px; font-size: .84rem; }
.form-message.is-visible { display: block; }
.form-aside { position: sticky; top: calc(var(--header-h) + 40px); display: grid; gap: 18px; }
.aside-card { padding: 26px; background: var(--soft); border: 1px solid var(--line); border-radius: var(--radius); }
.aside-card h3 { margin: 0 0 10px; font-size: 1rem; }
.aside-card p, .aside-card li { color: var(--muted); font-size: .8rem; }
.aside-card ul { margin: 13px 0 0; padding-left: 1.15em; }

/* Company */
.values-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.value-card { padding: 34px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.value-card__en { color: var(--blue); font-family: var(--font-display); font-size: .75rem; font-weight: 800; letter-spacing: .12em; }
.value-card h3 { margin: 20px 0 10px; font-size: 1.15rem; }
.value-card p { margin: 0; color: var(--muted); font-size: .86rem; }
.name-letters { display: grid; grid-template-columns: repeat(6,1fr); gap: 12px; margin-top: 34px; }
.name-letter { min-height: 170px; padding: 23px 17px; color: #fff; background: var(--navy-2); border-radius: 16px; }
.name-letter:nth-child(2n) { background: #0d5580; }
.name-letter strong { display: block; margin-bottom: 17px; color: var(--cyan); font-family: var(--font-display); font-size: 2rem; line-height: 1; }
.name-letter span { font-size: .8rem; font-weight: 700; }
.name-letter p { margin: 7px 0 0; color: rgba(255,255,255,.64); font-size: .7rem; line-height: 1.55; }

/* Recruiting */
.job-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.job-card { padding: 31px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.job-card__icon { display: grid; place-items: center; width: 52px; height: 52px; margin-bottom: 24px; color: var(--blue); background: var(--soft-blue); border-radius: 14px; font-family: var(--font-display); font-size: .8rem; font-weight: 800; }
.job-card h3 { margin: 0 0 10px; }
.job-card p { margin: 0; color: var(--muted); font-size: .84rem; }

/* Footer */
.site-footer { color: rgba(255,255,255,.72); background: #041225; }
.footer-cta { padding: 88px 0 80px; border-bottom: 1px solid rgba(255,255,255,.12); }
.footer-cta__inner { display: flex; align-items: flex-end; justify-content: space-between; gap: 48px; }
.footer-cta h2 { max-width: 760px; margin: 0; color: #fff; font-size: clamp(2rem,4vw,3.3rem); line-height: 1.32; letter-spacing: -.04em; }
.footer-cta p { margin: 17px 0 0; color: rgba(255,255,255,.58); }
.footer-main { display: grid; grid-template-columns: 1.2fr 2fr; gap: 70px; padding: 66px 0; }
.footer-brand img { width: 240px; }
.footer-brand__name { margin-top: 18px; color: #fff; font-size: .88rem; font-weight: 700; }
.footer-address { margin-top: 20px; font-size: .78rem; line-height: 1.75; }
.footer-nav { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.footer-nav h3 { margin: 0 0 16px; color: #fff; font-size: .78rem; letter-spacing: .08em; }
.footer-nav ul { margin: 0; padding: 0; list-style: none; }
.footer-nav li + li { margin-top: 9px; }
.footer-nav a { font-size: .76rem; transition: color .2s ease; }
.footer-nav a:hover { color: var(--cyan); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 22px; padding: 20px 0 25px; border-top: 1px solid rgba(255,255,255,.1); font-size: .7rem; }
.footer-bottom__links { display: flex; gap: 18px; }
.back-to-top { position: fixed; z-index: 80; right: 22px; bottom: 22px; display: grid; place-items: center; width: 48px; height: 48px; visibility: hidden; opacity: 0; color: #fff; background: var(--navy); border: 0; border-radius: 50%; box-shadow: var(--shadow-md); cursor: pointer; transform: translateY(12px); transition: .25s ease; }
.back-to-top.is-visible { visibility: visible; opacity: 1; transform: translateY(0); }

/* Reveal */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: .08s; }
.reveal-delay-2 { transition-delay: .16s; }
.reveal-delay-3 { transition-delay: .24s; }

/* Utility */
.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: 16px !important; }
.mt-2 { margin-top: 28px !important; }
.mt-3 { margin-top: 42px !important; }
.center { text-align: center; }
.center .section-lead { margin-inline: auto; }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; margin: 24px 0 0; padding: 0; list-style: none; }
.tag-list li { padding: 6px 11px; color: var(--blue); background: var(--soft-blue); border-radius: 999px; font-size: .72rem; font-weight: 700; }
.notice-band { padding: 18px 0; color: #fff; background: #0b4f7d; }
.notice-band__inner { display: flex; align-items: center; justify-content: center; gap: 15px; text-align: center; font-size: .84rem; }
.notice-band a { text-decoration: underline; text-underline-offset: 3px; }

@media (max-width: 1100px) {
  :root { --header-h: 72px; }
  .desktop-nav, .header-cta { display: none; }
  .mobile-toggle { display: block; }
  .mobile-nav {
    position: fixed; inset: var(--header-h) 0 0; z-index: 999; display: block; visibility: hidden; opacity: 0;
    overflow-y: auto; padding: 25px 24px 55px; background: rgba(255,255,255,.985); transform: translateY(-12px); transition: .25s ease;
  }
  body.nav-open .mobile-nav { visibility: visible; opacity: 1; transform: translateY(0); }
  .mobile-nav ul { margin: 0; padding: 0; list-style: none; }
  .mobile-nav__primary > li { border-bottom: 1px solid var(--line); }
  .mobile-nav__primary > li > a { display: flex; align-items: center; justify-content: space-between; padding: 15px 4px; font-weight: 750; }
  .mobile-nav__services { display: grid; grid-template-columns: repeat(2,1fr); gap: 8px; padding: 4px 0 18px !important; }
  .mobile-nav__services a { display: block; padding: 12px; color: var(--ink-2); background: var(--soft); border-radius: 10px; font-size: .78rem; line-height: 1.5; }
  .mobile-nav .btn { width: 100%; margin-top: 25px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-slide::after { background: linear-gradient(90deg, rgba(4,18,36,.96), rgba(4,18,36,.72)); }
  .page-hero__mark { width: 180px; height: 180px; }
  .summary-grid { grid-template-columns: repeat(2,1fr); }
  .summary-item:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .summary-item:nth-child(4) { border-top: 1px solid var(--line); }
  .content-split, .content-split--reverse { grid-template-columns: 1fr; gap: 45px; }
  .content-split__visual { position: relative; top: auto; order: -1; }
  .abstract-visual { min-height: 360px; }
  .detail-cards, .category-grid { grid-template-columns: repeat(2,1fr); }
  .form-layout { grid-template-columns: 1fr; }
  .form-aside { position: static; grid-template-columns: repeat(2,1fr); }
  .name-letters { grid-template-columns: repeat(3,1fr); }
  .footer-main { grid-template-columns: 1fr; gap: 45px; }
}

@media (max-width: 820px) {
  .container, .container--narrow { width: min(calc(100% - 36px), var(--container)); }
  .section { padding: 82px 0; }
  .section--sm { padding: 58px 0; }
  .brand img { width: 198px; }
  .home-hero, .hero-grid { min-height: 680px; }
  .hero-copy { padding-bottom: 60px; }
  .hero-copy h1 { font-size: clamp(2.45rem,10vw,4.1rem); }
  .hero-scroll { display: none; }
  .hero-controls { right: 18px; bottom: 26px; }
  .principles { margin-top: -28px; }
  .principle-grid { grid-template-columns: repeat(2,1fr); }
  .principle:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .principle:nth-child(4) { border-top: 1px solid var(--line); }
  .section-head { display: block; margin-bottom: 38px; }
  .section-head__aside { margin-top: 25px; }
  .problem-grid, .grid-3, .case-grid, .link-panels, .job-grid, .values-grid { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .approach-grid { grid-template-columns: 1fr; }
  .approach-line { display: none; }
  .approach-card::before { margin-bottom: 22px; }
  .service-grid { grid-template-columns: 1fr; }
  .ai-panel { grid-template-columns: 1fr; }
  .ai-panel__visual { min-height: 400px; }
  .diagnosis-banner { grid-template-columns: 1fr; }
  .diagnosis-banner__facts { padding: 0 42px 46px; }
  .page-hero, .page-hero__inner { min-height: 460px; }
  .page-hero__inner { grid-template-columns: 1fr; }
  .page-hero__mark { display: none; }
  .detail-cards { grid-template-columns: 1fr; }
  .kpi-grid, .diagnosis-metrics { grid-template-columns: repeat(2,1fr); }
  .service-cta { padding: 48px 38px; }
  .service-cta__inner { display: block; }
  .service-cta__inner .button-row { margin-top: 28px; }
  .form-card { padding: 30px; }
  .footer-cta__inner { display: block; }
  .footer-cta__inner .button-row { margin-top: 30px; }
  .footer-nav { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 560px) {
  body { font-size: 15px; line-height: 1.78; }
  .container, .container--narrow { width: min(calc(100% - 28px), var(--container)); }
  .section { padding: 68px 0; }
  .brand img { width: 182px; }
  .home-hero, .hero-grid { min-height: 650px; }
  .hero-copy h1 { font-size: clamp(2.3rem,12vw,3.45rem); }
  .hero-copy p { font-size: .95rem; }
  .button-row { flex-direction: column; align-items: stretch; }
  .button-row .btn { width: 100%; }
  .principle-grid { grid-template-columns: 1fr; }
  .principle + .principle { border-left: 0; border-top: 1px solid var(--line); }
  .problem-card { min-height: 210px; padding: 27px; }
  .grid-2, .grid-4 { grid-template-columns: 1fr; }
  .service-card { grid-template-columns: 56px 1fr; gap: 18px; min-height: 0; padding: 25px; }
  .service-card__number { width: 54px; height: 54px; border-radius: 16px 16px 16px 4px; font-size: .72rem; }
  .service-card__arrow { display: none; }
  .ai-panel__copy { padding: 38px 28px; }
  .ai-panel__visual { min-height: 340px; }
  .ai-orbit { width: 250px; height: 250px; }
  .orbit-label { font-size: .63rem; }
  .diagnosis-banner__copy { padding: 38px 28px; }
  .diagnosis-banner__facts { padding: 0 28px 36px; }
  .page-hero, .page-hero__inner { min-height: 430px; }
  .page-hero__inner { padding: 55px 0; }
  .summary-grid { grid-template-columns: 1fr; }
  .summary-item + .summary-item { border-left: 0; border-top: 1px solid var(--line); }
  .anchor-nav { display: none; }
  .abstract-visual { min-height: 300px; }
  .abstract-visual__number { font-size: 5rem; }
  .feature-item { grid-template-columns: 42px 1fr; gap: 12px; }
  .category-grid, .kpi-grid, .diagnosis-metrics { grid-template-columns: 1fr; }
  .process-step { grid-template-columns: 66px 1fr; gap: 16px; }
  .process-step__marker::before { width: 52px; height: 52px; }
  .service-cta { padding: 38px 27px; }
  .form-card { padding: 25px 20px; }
  .form-grid { grid-template-columns: 1fr; }
  .form-field--full { grid-column: auto; }
  .form-aside { grid-template-columns: 1fr; }
  .name-letters { grid-template-columns: repeat(2,1fr); }
  .footer-main { padding: 52px 0; }
  .footer-nav { grid-template-columns: 1fr; }
  .footer-bottom { align-items: flex-start; flex-direction: column; }
  .back-to-top { right: 14px; bottom: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .reveal { opacity: 1; transform: none; }
}

@media print {
  .site-header, .mobile-nav, .anchor-nav, .footer-cta, .back-to-top, .button-row { display: none !important; }
  main { padding-top: 0; }
  .section { padding: 35px 0; }
  .page-hero { min-height: auto; color: var(--ink); background: #fff; }
  .page-hero::before, .page-hero::after { display: none; }
  .page-hero__inner { min-height: auto; padding: 35px 0; }
}

/* Contrast corrections for white components placed inside dark sections */
.detail-card,
.info-table { color: var(--ink); }
.section--navy .process-step__body p { color: rgba(255,255,255,.72); }
.section--navy .process-step__marker::after { background: rgba(255,255,255,.22); }
.section--navy .process-step__deliverable { color: var(--cyan); background: rgba(66,214,223,.10); }
.content-split > * { min-width: 0; }
.table-wrap { width: 100%; max-width: 100%; }
@media (max-width: 1100px) {
  .content-split, .content-split--reverse { grid-template-columns: minmax(0, 1fr); }
}


/* Responsive heading system: H1 line control and reduced H2 scale */
.heading-line { display: block; }

/* H2: keep hierarchy clear without dominating each section. */
.section-title {
  font-size: clamp(1.8rem, calc(1.45rem + .8vw), 2.25rem);
  line-height: 1.38;
  letter-spacing: -.025em;
}
.section-title--form {
  font-size: clamp(1.55rem, calc(1.3rem + .55vw), 2rem);
}
.ai-panel__copy h2,
.diagnosis-banner h2 {
  font-size: clamp(1.85rem, calc(1.5rem + .8vw), 2.35rem);
  line-height: 1.38;
  letter-spacing: -.025em;
}
.service-cta h2 {
  font-size: clamp(1.65rem, calc(1.35rem + .6vw), 2.15rem);
  line-height: 1.42;
  letter-spacing: -.02em;
}
.footer-cta h2 {
  font-size: clamp(1.8rem, calc(1.45rem + .8vw), 2.35rem);
  line-height: 1.4;
  letter-spacing: -.025em;
}

/* PC: preserve the editorial two-line H1 composition at 1200px and above. */
@media (min-width: 1200px) {
  .page-hero__inner {
    grid-template-columns: minmax(0, 940px) minmax(150px, 1fr);
    column-gap: 24px;
  }
  .page-hero__mark {
    width: 170px;
    height: 170px;
  }
  .page-hero h1 {
    max-width: 940px;
    font-size: clamp(2.6rem, calc(2rem + .8vw), 3rem);
    line-height: 1.28;
    letter-spacing: -.035em;
  }
  .hero-copy h1 {
    font-size: clamp(2.8rem, calc(2.3rem + .55vw), 3.15rem);
    line-height: 1.2;
    letter-spacing: -.045em;
  }
  .page-hero h1 .heading-line,
  .hero-copy h1 .heading-line {
    white-space: nowrap;
  }
}

/* Tablet and compact desktop. */
@media (min-width: 821px) and (max-width: 1199px) {
  .page-hero h1 {
    font-size: clamp(2.15rem, 4.1vw, 2.8rem);
    line-height: 1.28;
  }
  .hero-copy h1 {
    font-size: clamp(2.55rem, 6vw, 3.8rem);
    line-height: 1.18;
  }
}

/* Tablet portrait and mobile. */
@media (max-width: 820px) {
  .page-hero h1 {
    font-size: clamp(2rem, 7vw, 2.6rem);
    line-height: 1.3;
    letter-spacing: -.035em;
  }
  .hero-copy h1 {
    font-size: clamp(2.25rem, 9vw, 3rem);
    line-height: 1.2;
    letter-spacing: -.045em;
  }
  .section-title {
    font-size: clamp(1.65rem, 5.2vw, 2rem);
    line-height: 1.4;
  }
  .section-title--form {
    font-size: clamp(1.5rem, 4.8vw, 1.85rem);
  }
  .ai-panel__copy h2,
  .diagnosis-banner h2,
  .footer-cta h2 {
    font-size: clamp(1.7rem, 5.5vw, 2.05rem);
    line-height: 1.42;
  }
  .service-cta h2 {
    font-size: clamp(1.55rem, 5vw, 1.9rem);
    line-height: 1.45;
  }
}

@media (max-width: 560px) {
  .page-hero h1 {
    font-size: clamp(1.8rem, 8vw, 2.2rem);
    line-height: 1.34;
  }
  .hero-copy h1 {
    font-size: clamp(2rem, 9.5vw, 2.55rem);
    line-height: 1.22;
  }
  .section-title {
    font-size: clamp(1.45rem, 6vw, 1.75rem);
    line-height: 1.45;
  }
  .section-title--form {
    font-size: clamp(1.4rem, 5.6vw, 1.65rem);
  }
  .ai-panel__copy h2,
  .diagnosis-banner h2,
  .footer-cta h2 {
    font-size: clamp(1.55rem, 6.4vw, 1.85rem);
    line-height: 1.45;
  }
  .service-cta h2 {
    font-size: clamp(1.45rem, 5.8vw, 1.7rem);
  }
}

/* ==================================================
   Japanese line-break refinement
   Prevent prominent copy from leaving only 1-2 characters on a final line.
================================================== */

/* Give section headings enough horizontal room on desktop before wrapping. */
.section-head__copy {
  flex: 1 1 auto;
  min-width: 0;
  max-width: 940px;
}

/* Balance headings so unavoidable wraps look intentional rather than orphaned. */
:where(h1, h2, h3, h4) {
  text-wrap: balance;
  line-break: strict;
  overflow-wrap: normal;
}

/* Modern Japanese phrase-aware wrapping where the browser supports it. */
@supports (word-break: auto-phrase) {
  :where(h1, h2, h3, h4, p, dd, li) {
    word-break: auto-phrase;
  }
}

/* Body copy uses high-quality wrapping to avoid very short final lines. */
:where(
  .section-lead,
  .page-hero p,
  .hero-copy p,
  .problem-card p,
  .service-card p,
  .case-card p,
  .detail-card p,
  .value-card p,
  .job-card p,
  .process-step__body p,
  .form-aside p,
  .service-cta p,
  .footer-cta p
) {
  text-wrap: pretty;
  line-break: strict;
}