@charset "UTF-8";

:root {
  --paper: #ffffff;
  --surface: #f5f7fb;
  --ink: #1c2c44;
  --muted: #5e6d82;
  --navy: #172b4d;
  --primary: #285cc4;
  --surface-blue: #eaf1fb;
  --text-on-dark: #d5e0f0;
  --primary-hover: #204ba2;
  --accent-soft: #dbe7fb;
  --accent: #7ca9f3;
  --line: #dae2ee;
  --line-dark: rgba(255, 255, 255, .2);
  --radius: 10px;
  --review-banner-height: 40px;
  --header-height: 88px;
  --container: 1180px;
  --gutter: 32px;
  --shadow: 0 16px 44px rgba(23, 43, 77, .07);
}

*, *::before, *::after { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--review-banner-height) + var(--header-height) + 24px);
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.9;
  letter-spacing: .025em;
  overflow-wrap: break-word;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.dialog-open { overflow: hidden; }
::selection { color: var(--ink); background: var(--accent-soft); }
[hidden] { display: none !important; }
img, svg { max-width: 100%; vertical-align: middle; }
img { height: auto; }
button, input, select, textarea { font: inherit; }
button, a, input, select, textarea { -webkit-tap-highlight-color: transparent; }
button { color: inherit; }
button:not(:disabled), select { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .5; }
a { color: var(--primary); text-underline-offset: .23em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, button:focus-visible, summary:focus-visible,
input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 4px;
}
h1, h2, h3, h4, p, ul, ol, dl { margin-top: 0; }
h1, h2, h3, h4 { font-weight: 700; overflow-wrap: anywhere; }
h1 { font-size: clamp(2.4rem, 4.8vw, 4.25rem); line-height: 1.45; letter-spacing: -.055em; }
h2 { margin-bottom: 24px; font-size: clamp(1.8rem, 3.1vw, 2.65rem); line-height: 1.55; letter-spacing: -.04em; }
h3 { margin-bottom: 14px; font-size: 1.35rem; line-height: 1.6; letter-spacing: -.025em; }
h4 { margin-bottom: 10px; font-size: 1.05rem; line-height: 1.7; }
p { margin-bottom: 1.25em; }
p:last-child { margin-bottom: 0; }
ul, ol { padding-left: 1.4em; }
li + li { margin-top: .5em; }
strong { font-weight: 700; }
small { font-size: .8em; }
hr { margin: 32px 0; border: 0; border-top: 1px solid var(--line); }
section[id], main[id], [id]:target {
  scroll-margin-top: calc(var(--review-banner-height) + var(--header-height) + 24px);
}

.container { width: min(var(--container), calc(100% - var(--gutter) * 2)); margin-inline: auto; }
.section { padding-block: 100px; }
.section-soft { background: var(--surface); }
.section-dark { color: #fff; background: var(--navy); }
.section-heading { max-width: 800px; margin-bottom: 44px; }
.section-heading h2 { margin-bottom: 18px; }
.section-heading > p:not(.eyebrow), .section-intro { max-width: 740px; color: var(--muted); font-size: 1.05rem; line-height: 2; }
.section-dark .section-intro, .section-dark .section-heading > p:not(.eyebrow) { color: var(--text-on-dark); }
.section-dark a { color: var(--accent-soft); }
.section-dark a:focus-visible, .section-dark button:focus-visible { outline-color: var(--accent-soft); }
.eyebrow { display: block; margin-bottom: 18px; color: var(--primary); font-size: .76rem; font-weight: 700; letter-spacing: .12em; line-height: 1.65; }
.eyebrow::before { display: inline-block; width: 19px; height: 2px; margin-right: 10px; background: currentColor; vertical-align: middle; content: ""; }
.section-dark .eyebrow { color: var(--accent-soft); }
.section-number { display: block; margin-bottom: 14px; color: var(--primary); font-size: .78rem; font-weight: 700; letter-spacing: .1em; }

/* The review notice and header remain in normal flow while sticking as a pair. */
.review-banner {
  position: sticky;
  top: 0;
  z-index: 60;
  display: flex;
  min-height: var(--review-banner-height);
  align-items: center;
  justify-content: center;
  padding: 8px var(--gutter);
  color: #40526e;
  background: var(--surface-blue);
  border-bottom: 1px solid var(--line);
  font-size: .7rem;
  line-height: 1.65;
  text-align: center;
  letter-spacing: .02em;
}
.review-banner p { margin: 0; }
.review-banner a { color: inherit; font-weight: 700; }
.site-header { position: sticky; top: var(--review-banner-height); z-index: 50; background: rgba(255, 255, 255, .98); border-bottom: 1px solid var(--line); }
.site-header > .container { position: relative; display: flex; min-height: var(--header-height); align-items: center; gap: 30px; }
.brand { display: inline-flex; flex-shrink: 0; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; line-height: 1.3; }
.brand:hover { text-decoration: none; }
.brand-mark { display: inline-flex; width: 50px; height: 50px; align-items: center; justify-content: center; border-radius: 8px; color: #fff; background: var(--navy); font-size: 1.35rem; font-weight: 800; letter-spacing: -.065em; }
.brand-copy { display: flex; flex-direction: column; gap: 5px; font-size: 1.12rem; font-weight: 700; letter-spacing: -.035em; }
.brand-copy strong { font: inherit; }
.brand-reading { display: block; color: var(--muted); font-size: .6rem; font-weight: 400; letter-spacing: .08em; }
.desktop-nav { display: flex; align-items: center; gap: 27px; margin-left: auto; }
.desktop-nav a { position: relative; padding-block: 12px; color: var(--ink); font-size: .82rem; font-weight: 600; text-decoration: none; white-space: nowrap; }
.desktop-nav a::after { position: absolute; right: 0; bottom: 5px; left: 0; height: 2px; background: var(--primary); transform: scaleX(0); transform-origin: left; transition: transform .18s ease; content: ""; }
.desktop-nav a:hover::after, .desktop-nav a[aria-current="page"]::after { transform: scaleX(1); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.menu-toggle { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; border: 1px solid var(--line); border-radius: 6px; background: #fff; font-size: 1.35rem; }
.menu-toggle svg { width: 22px; height: 22px; }
.menu-toggle span { line-height: 1; }
.mobile-nav { display: none; }

.btn { display: inline-flex; min-height: 54px; align-items: center; justify-content: center; gap: 10px; padding: 14px 24px; border: 1px solid transparent; border-radius: 7px; font-size: .93rem; font-weight: 700; line-height: 1.6; text-align: center; text-decoration: none; transition: background-color .18s ease, border-color .18s ease, color .18s ease, box-shadow .18s ease, transform .18s ease; }
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { color: #fff; background: var(--primary); border-color: var(--primary); }
.btn-primary:hover { color: #fff; background: var(--primary-hover); border-color: var(--primary-hover); box-shadow: 0 5px 16px rgba(40, 92, 196, .16); }
.btn-secondary { color: var(--primary); background: transparent; border-color: var(--primary); }
.btn-secondary:hover { color: var(--primary); background: var(--surface-blue); }
.btn-ghost { min-height: 44px; padding: 10px 14px; color: var(--primary); background: transparent; }
.btn-ghost:hover { background: var(--surface); }
.btn-small { min-height: 42px; padding: 10px 16px; font-size: .8rem; }
.btn-wide { width: 100%; }
.btn svg { width: 17px; height: 17px; flex-shrink: 0; }
.section-dark .btn-primary { color: var(--primary); background: var(--accent-soft); border-color: var(--accent-soft); }
.section-dark .btn-primary:hover { color: var(--primary); background: #edf3ff; }
.section-dark .btn-secondary { color: #fff; border-color: rgba(255,255,255,.6); }
.section-dark .btn-secondary:hover { background: rgba(255,255,255,.09); }

.hero { padding: 78px 0 90px; background: var(--surface); overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); align-items: center; gap: 66px; }
.hero-copy h1 { margin: 0 0 28px; font-size: clamp(2.8rem, 4.8vw, 4.4rem); line-height: 1.42; letter-spacing: -.065em; }
.hero-copy h1 em { color: var(--primary); font-style: normal; }
.hero-lead { max-width: 570px; margin-bottom: 18px; font-size: 1.15rem; font-weight: 600; line-height: 1.85; }
.hero-description { max-width: 530px; margin-bottom: 28px; color: var(--muted); font-size: .94rem; line-height: 2; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-meta { margin-top: 18px; color: var(--muted); font-size: .74rem; line-height: 1.9; }
.hero-meta span + span::before { margin-inline: 10px; color: #94a2b6; content: "/"; }
.hero-visual { position: relative; min-width: 0; padding: 22px 0 22px 14px; }
.hero-visual::before { position: absolute; top: 5px; right: -20px; bottom: 6px; left: 34px; border-radius: 13px; background: var(--accent-soft); transform: rotate(3.5deg); content: ""; }
.worknote { position: relative; z-index: 1; padding: 28px 30px; border: 1px solid var(--line); border-radius: 11px; background: #fff; box-shadow: var(--shadow); }
.worknote-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 26px; padding-bottom: 17px; border-bottom: 1px solid var(--line); }
.worknote-label { color: var(--muted); font-size: .64rem; font-weight: 700; letter-spacing: .16em; }
.worknote-top > span:last-child { color: var(--muted); font-size: .65rem; }
.worknote-title { margin-bottom: 22px; font-size: 1.45rem; font-weight: 700; line-height: 1.65; letter-spacing: -.035em; }
.worknote-input { margin-bottom: 20px; padding: 16px 18px; border-radius: 5px; background: var(--surface); font-size: .87rem; line-height: 1.8; }
.worknote-input small, .worknote-input > span:first-child { display: block; margin-bottom: 5px; color: var(--muted); font-size: .65rem; font-weight: 600; letter-spacing: .08em; }
.worknote-input p { margin: 0; }
.worknote-step { display: flex; align-items: flex-start; gap: 12px; padding: 12px 0; font-size: .85rem; line-height: 1.75; }
.worknote-step + .worknote-step { border-top: 1px solid var(--surface); }
.worknote-step > span:first-child { display: inline-flex; width: 24px; height: 24px; flex-shrink: 0; align-items: center; justify-content: center; margin-top: 2px; border-radius: 50%; color: var(--primary); background: var(--surface-blue); font-size: .68rem; font-weight: 700; }
.worknote-step strong { display: block; margin-bottom: 2px; }
.worknote-step p { margin: 0; color: var(--muted); font-size: .78rem; }
.worknote-output { margin-top: 20px; padding: 18px; border-left: 3px solid var(--primary); border-radius: 0 5px 5px 0; color: var(--primary); background: var(--surface-blue); font-size: .88rem; line-height: 1.8; }
.worknote-output > span, .worknote-output > small { display: block; margin-bottom: 6px; font-size: .65rem; font-weight: 700; letter-spacing: .08em; }
.worknote-output p { margin: 0; }
.worknote-footer { margin-top: 18px; color: var(--muted); font-size: .63rem; line-height: 1.75; }
.note-badge { display: inline-flex; align-items: center; gap: 6px; padding: 5px 9px; border-radius: 4px; color: var(--primary); background: var(--surface-blue); font-size: .64rem; font-weight: 600; line-height: 1.5; }
.note-badge::before { width: 5px; height: 5px; border-radius: 50%; background: var(--accent); content: ""; }
.floating-label { position: absolute; z-index: 2; bottom: 0; left: -12px; max-width: calc(100% - 10px); padding: 11px 18px; border-radius: 5px; color: #fff; background: var(--primary); box-shadow: 0 6px 18px rgba(23,43,77,.13); font-size: .76rem; font-weight: 600; line-height: 1.6; transform: rotate(-3deg); }

.intro-grid { display: grid; grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr); gap: 80px; align-items: start; }
.intro-grid .section-heading { margin-bottom: 0; }
.problem-list { margin: 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.problem-item { display: flex; gap: 20px; margin: 0; padding: 23px 0; border-bottom: 1px solid var(--line); }
.problem-item > span:first-child { min-width: 24px; color: var(--primary); font-size: .82rem; font-weight: 700; }
.problem-item h3 { margin-bottom: 6px; font-size: 1.08rem; }
.problem-item p { margin: 0; color: var(--muted); font-size: .9rem; }
.product-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; align-items: stretch; }
.product-card { position: relative; display: flex; min-width: 0; flex-direction: column; padding: 34px 36px 30px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.product-card h3 { margin: 18px 0 14px; font-size: 1.6rem; line-height: 1.6; }
.product-card > p { color: var(--muted); font-size: .94rem; }
.product-index { display: block; margin-bottom: 12px; color: var(--primary); font-size: .72rem; font-weight: 700; letter-spacing: .13em; }
.product-tag { display: inline-flex; width: fit-content; padding: 5px 10px; border-radius: 4px; color: var(--primary); background: var(--surface-blue); font-size: .73rem; font-weight: 600; line-height: 1.6; }
.product-price { margin: 20px 0 4px; color: var(--ink); font-size: 2.2rem; font-weight: 700; line-height: 1.4; letter-spacing: -.04em; font-variant-numeric: tabular-nums; }
.product-price small, .product-price span { margin-left: 4px; font-size: .8rem; font-weight: 500; letter-spacing: 0; }
.product-meta { margin-bottom: 22px; color: var(--muted); font-size: .8rem; line-height: 1.8; }
.product-points { margin: 0 0 24px; padding: 0; list-style: none; font-size: .9rem; }
.product-points li { position: relative; padding-left: 23px; }
.product-points li::before { position: absolute; top: .05em; left: 0; color: var(--primary); font-size: .8rem; font-weight: 700; content: "✓"; }
.product-footer { display: flex; flex-direction: column; gap: 12px; margin-top: auto; padding-top: 24px; border-top: 1px solid var(--line); }
.product-footer p { margin: 0; color: var(--muted); font-size: .74rem; }
.selection-help { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 26px; padding: 22px 26px; border-left: 3px solid #a7bfdf; background: var(--surface-blue); font-size: .88rem; }
.selection-help p { margin: 0; }
.selection-help a { flex-shrink: 0; font-weight: 700; }

.outcome-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 76px; align-items: center; }
.outcome-copy > p { color: var(--muted); }
.sample-sheet { padding: 32px 34px; border: 1px solid var(--line); border-radius: 8px; background: #fff; box-shadow: var(--shadow); }
.sample-sheet h3 { margin: 12px 0 24px; font-size: 1.3rem; }
.sample-row { display: grid; grid-template-columns: 90px minmax(0, 1fr); gap: 18px; padding-block: 16px; border-top: 1px solid var(--line); font-size: .88rem; }
.sample-row p { margin: 0; }
.sample-label { color: var(--primary); font-size: .75rem; font-weight: 700; }
.visit-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 76px; align-items: start; }
.visit-list { margin: 0; padding: 0; border-top: 1px solid var(--line-dark); list-style: none; }
.visit-list li { margin: 0; padding: 19px 0; border-bottom: 1px solid var(--line-dark); font-size: .95rem; }
.visit-list strong { display: block; margin-bottom: 5px; color: var(--accent-soft); }
.visit-list p { margin: 0; color: var(--text-on-dark); font-size: .87rem; }
.visit-list + .btn { margin-top: 28px; }
.ait-definition { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 40px; align-items: center; margin-top: 52px; padding-top: 36px; border-top: 1px solid var(--line-dark); }
.ait-definition p { margin-bottom: 12px; font-size: .96rem; }
.ait-definition small { color: var(--text-on-dark); font-size: .75rem; }
.ait-wordmark { font-size: 4rem; font-weight: 800; letter-spacing: -.075em; line-height: 1.2; }
.section-dark .ait-wordmark { color: var(--accent-soft); }
.ait-wordmark small { display: block; margin-top: 10px; font-size: .7rem; font-weight: 400; letter-spacing: .1em; }
.process-list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 26px; margin: 0; padding: 0; list-style: none; }
.process-item { margin: 0; padding-top: 24px; border-top: 2px solid #a7bfdf; }
.process-item > span:first-child { display: block; margin-bottom: 17px; color: var(--primary); font-size: .76rem; font-weight: 700; letter-spacing: .1em; }
.process-item h3 { margin-bottom: 12px; font-size: 1.13rem; }
.process-item p { margin: 0; color: var(--muted); font-size: .88rem; }
.faq-list { max-width: 920px; border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; display: block; padding: 24px 48px 24px 0; font-size: 1rem; font-weight: 600; line-height: 1.8; list-style: none; cursor: pointer; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { position: absolute; top: 23px; right: 8px; color: var(--primary); font-size: 1.45rem; font-weight: 400; line-height: 1.3; content: "+"; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details[open] summary { color: var(--primary); }
.faq-answer { padding: 0 48px 25px 0; color: var(--muted); font-size: .94rem; line-height: 2; }
.contact-strip { padding-block: 66px; background: var(--accent-soft); }
.contact-strip > .container { display: flex; align-items: center; justify-content: space-between; gap: 50px; }
.contact-strip h2 { margin-bottom: 12px; font-size: clamp(1.8rem, 2.8vw, 2.4rem); }
.contact-strip p { max-width: 650px; margin-bottom: 0; font-size: .95rem; }
.contact-strip .hero-actions { flex-shrink: 0; flex-direction: column; margin: 0; }
.contact-strip .btn-secondary:hover { background: rgba(255,255,255,.35); }
.site-footer { padding: 64px 0 25px; color: #e4ebf5; background: var(--ink); }
.site-footer a { color: #e4ebf5; }
.site-footer a:focus-visible { outline-color: var(--accent-soft); }
.site-footer .brand { color: #fff; }
.site-footer .brand-mark { color: var(--ink); background: var(--accent-soft); }
.site-footer .brand-reading { color: #becde2; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 50px; }
.footer-grid p { max-width: 390px; margin-top: 24px; color: #becde2; font-size: .81rem; line-height: 1.9; }
.footer-links { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; margin: 0; padding: 0; list-style: none; font-size: .82rem; }
.footer-links li { margin: 0; }
.footer-links h3, .footer-links strong { margin-bottom: 5px; color: #8fadd5; font-size: .7rem; font-weight: 500; letter-spacing: .08em; }
.footer-links a { text-decoration: none; }
.footer-links a:hover { text-decoration: underline; }
.footer-bottom { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; margin-top: 48px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.15); color: #becde2; font-size: .67rem; line-height: 1.8; }
.footer-bottom p { margin: 0; }

/* Detail pages and booking / inquiry interfaces. */
.page-hero { padding: 34px 0 60px; background: var(--surface); }
.page-hero h1 { max-width: 920px; margin-bottom: 22px; font-size: clamp(2.2rem, 4.2vw, 3.6rem); }
.page-hero .section-intro { margin-bottom: 0; }
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 0 0 34px; padding: 0; color: var(--muted); font-size: .72rem; line-height: 1.7; list-style: none; }
.breadcrumb li { margin: 0; }
.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--primary); text-decoration: underline; }
.detail-layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 64px; align-items: start; }
.detail-main { min-width: 0; }
.detail-main > section + section, .detail-main > .section-heading + section { margin-top: 56px; }
.detail-main h2 { font-size: 1.8rem; }
.detail-main h3 { font-size: 1.17rem; }
.detail-sidebar { position: sticky; top: calc(var(--review-banner-height) + var(--header-height) + 24px); }
.price-panel { padding: 28px; border: 1px solid var(--line); border-radius: 9px; background: var(--surface); }
.price-panel h2, .price-panel h3 { margin-bottom: 18px; font-size: 1.2rem; line-height: 1.7; }
.price-panel .product-price { margin-top: 18px; }
.price-panel .btn { margin-top: 16px; }
.price-panel > p:not(.product-price):not(.product-meta) { font-size: .85rem; }
.price-panel small { color: var(--muted); }
.included-list, .check-list { margin: 0 0 28px; padding: 0; list-style: none; }
.included-list li, .check-list li { position: relative; margin: 0; padding: 15px 0 15px 28px; border-bottom: 1px solid var(--line); }
.included-list li::before, .check-list li::before { position: absolute; top: 17px; left: 0; color: var(--primary); font-size: .86rem; font-weight: 700; content: "✓"; }
.included-list strong { display: block; margin-bottom: 6px; }
.included-list p { margin: 0; color: var(--muted); font-size: .9rem; }
.scope-table { width: 100%; margin: 24px 0; border-collapse: collapse; table-layout: fixed; font-size: .9rem; }
.scope-table th, .scope-table td { padding: 17px 18px; border: 1px solid var(--line); text-align: left; vertical-align: top; overflow-wrap: anywhere; }
.scope-table th { width: 29%; background: var(--surface); font-weight: 600; }
.scope-table td p:last-child { margin-bottom: 0; }
.scope-table ul { margin-bottom: 0; }
.notice { margin-block: 24px; padding: 21px 24px; border-left: 3px solid var(--accent); border-radius: 0 5px 5px 0; background: #fbf2e9; font-size: .87rem; line-height: 1.95; }
.notice strong { display: inline-block; margin-bottom: 5px; }
.notice p { margin-bottom: 10px; }
.notice p:last-child { margin-bottom: 0; }
.notice-soft { border-color: #8fadd5; background: var(--surface-blue); }
.form-grid, .field-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 24px; }
.field { min-width: 0; margin-bottom: 25px; }
.field-wide, .field.full, .form-grid > .full { grid-column: 1 / -1; }
.field label, .field > legend { display: block; margin-bottom: 9px; font-size: .91rem; font-weight: 600; }
.field label small { margin-left: 8px; color: var(--muted); font-size: .71rem; font-weight: 400; }
.field label .required { display: inline-block; margin-left: 7px; color: var(--primary); font-size: .65rem; }
fieldset.field { min-inline-size: 0; margin-inline: 0; padding: 0; border: 0; }
.form-control { display: block; width: 100%; min-height: 52px; padding: 13px 14px; border: 1px solid #becde2; border-radius: 5px; color: var(--ink); background: #fff; font-size: 1rem; line-height: 1.6; transition: border-color .15s ease, box-shadow .15s ease; }
.form-control::placeholder { color: var(--muted); opacity: 1; }
.form-control:hover { border-color: #7189ae; }
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(40,92,196,.08); }
.form-control[aria-invalid="true"] { border-color: #b84b35; }
textarea.form-control { min-height: 148px; resize: vertical; }
select.form-control { padding-right: 32px; }
.form-control:disabled { color: var(--muted); background: var(--surface); cursor: not-allowed; }
.form-hint { margin: 8px 0 0; color: var(--muted); font-size: .76rem; line-height: 1.8; }
.form-error { margin: 7px 0 0; color: #a83629; font-size: .78rem; line-height: 1.7; }
.choice-grid, .menu-selector { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 13px; }
.choice-card { display: flex; min-width: 0; align-items: flex-start; gap: 11px; margin: 0; padding: 18px; border: 1px solid #bac9dd; border-radius: 7px; background: #fff; font-size: .88rem; line-height: 1.8; cursor: pointer; transition: border-color .15s ease, background-color .15s ease; }
.field label.choice-card { display: flex; margin-bottom: 0; font-weight: 400; }
.choice-card:hover { border-color: var(--primary); background: var(--surface); }
.choice-card:has(input:checked), .choice-card.is-selected { border-color: var(--primary); background: var(--surface-blue); box-shadow: inset 0 0 0 1px var(--primary); }
.choice-card:has(input:focus-visible) { outline: 3px solid var(--primary); outline-offset: 4px; }
.choice-card input { width: 17px; height: 17px; flex-shrink: 0; margin: 5px 0 0; accent-color: var(--primary); }
.choice-card strong { display: block; }
.choice-card small { display: block; margin-top: 4px; color: var(--muted); font-size: .75rem; line-height: 1.8; }
input[type="checkbox"], input[type="radio"] { accent-color: var(--primary); }
.field > label:has(> input[type="checkbox"]) { display: flex; align-items: flex-start; gap: 10px; font-weight: 400; }
.field > label > input[type="checkbox"] { width: 17px; height: 17px; flex-shrink: 0; margin-top: 6px; }
.form-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-top: 28px; }
.form-actions .btn { min-width: 180px; }
.form-actions > p { flex-basis: 100%; margin: 0; color: var(--muted); font-size: .77rem; }
.step-indicator { display: flex; flex-wrap: wrap; gap: 12px 24px; margin-bottom: 36px; padding: 0; list-style: none; color: var(--muted); font-size: .77rem; }
.step-indicator li { margin: 0; }
.step-indicator .is-active, .step-indicator [aria-current="step"] { color: var(--primary); font-weight: 700; }
.summary-list { margin: 0; }
.summary-list > div { display: grid; grid-template-columns: 115px minmax(0, 1fr); gap: 18px; padding-block: 16px; border-bottom: 1px solid var(--line); }
.summary-list dt { color: var(--muted); font-size: .81rem; }
.summary-list dd { margin: 0; font-size: .91rem; overflow-wrap: anywhere; white-space: pre-line; }
.preview-result { margin-top: 28px; padding: 26px; border: 1px solid #9fb8df; border-radius: 8px; background: var(--surface-blue); }
.preview-result h2, .preview-result h3 { margin-bottom: 13px; font-size: 1.25rem; }
.preview-result p { font-size: .89rem; }
.terms-content { max-width: 850px; margin-inline: auto; }
.terms-content h2 { margin-top: 42px; font-size: 1.45rem; }
.terms-content h3 { margin-top: 30px; font-size: 1.1rem; }
.terms-content p, .terms-content li { font-size: .94rem; }
.not-found { padding: 100px 0; text-align: center; }
.not-found h1 { font-size: 3rem; }
.not-found p { max-width: 650px; margin-inline: auto; color: var(--muted); }
.toast { position: fixed; z-index: 100; right: 24px; bottom: 24px; max-width: min(440px, calc(100% - 48px)); padding: 16px 22px; border: 1px solid rgba(255,255,255,.15); border-radius: 7px; color: #fff; background: var(--ink); box-shadow: 0 8px 30px rgba(0,0,0,.16); font-size: .86rem; line-height: 1.8; }
.toast a { color: var(--accent-soft); }

.dialog-shell { position: fixed; width: min(640px, calc(100% - 40px)); max-height: min(850px, calc(100dvh - 64px)); margin: auto; padding: 0; border: 0; border-radius: 12px; color: var(--ink); background: #fff; box-shadow: 0 24px 90px rgba(15,29,51,.25); overflow-y: auto; overscroll-behavior: contain; }
.dialog-shell::backdrop { background: rgba(15, 29, 51, .58); }
.dialog-content { padding: 38px; }
.dialog-content h2 { padding-right: 24px; font-size: 1.8rem; }
.dialog-close { position: absolute; top: 14px; right: 14px; display: inline-flex; width: 36px; height: 36px; align-items: center; justify-content: center; border: 1px solid var(--line); border-radius: 50%; background: #fff; font-size: 1.25rem; line-height: 1; }
.dialog-close:hover { background: var(--surface); }
.skip-link { position: fixed; z-index: 200; top: 12px; left: 16px; padding: 12px 18px; border-radius: 4px; color: #fff; background: var(--primary); font-size: .9rem; transform: translateY(-200%); }
.skip-link:focus { transform: translateY(0); }
.sr-only { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0,0,0,0) !important; white-space: nowrap !important; border: 0 !important; }

@media (max-width: 1100px) {
  :root { --gutter: 28px; }
  .site-header > .container { gap: 20px; }
  .desktop-nav { gap: 18px; }
  .desktop-nav a { font-size: .76rem; }
  .brand-copy { font-size: 1rem; }
  .brand-mark { width: 44px; height: 44px; font-size: 1.23rem; }
  .header-actions .btn { padding-inline: 13px; font-size: .75rem; }
  .hero-grid { gap: 42px; }
  .hero-copy h1 { font-size: clamp(2.7rem, 4.8vw, 3.6rem); }
  .hero-lead { font-size: 1.02rem; }
  .hero-actions .btn { padding-inline: 18px; font-size: .84rem; }
  .worknote { padding: 24px; }
  .worknote-title { font-size: 1.25rem; }
  .intro-grid, .visit-grid, .outcome-grid { gap: 46px; }
  .product-card { padding: 30px; }
  .product-card h3 { font-size: 1.42rem; }
  .detail-layout { grid-template-columns: minmax(0, 1fr) 310px; gap: 40px; }
  .price-panel { padding: 24px; }
}

@media (max-width: 900px) and (min-width: 761px) {
  :root { --gutter: 24px; }
  .site-header > .container { gap: 16px; }
  .desktop-nav { gap: 13px; }
  .desktop-nav a { font-size: .7rem; }
  .brand { gap: 8px; }
  .brand-copy { font-size: .91rem; }
  .brand-reading { font-size: .55rem; }
  .header-actions .btn { min-height: 40px; padding: 9px 10px; font-size: .68rem; }
  .hero-grid { gap: 28px; }
  .hero-copy h1 { font-size: 2.65rem; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .hero-actions .btn { min-width: 245px; }
  .hero-visual { padding-left: 0; }
  .worknote { padding: 22px; }
  .worknote-top { margin-bottom: 20px; }
  .worknote-title { font-size: 1.15rem; }
  .product-card { padding: 25px; }
  .intro-grid { grid-template-columns: .9fr 1.1fr; gap: 32px; }
  .process-list { gap: 20px; }
  .process-item h3 { font-size: 1rem; }
  .detail-layout { grid-template-columns: minmax(0, 1fr) 280px; gap: 30px; }
  .contact-strip > .container { gap: 30px; }
}

@media (max-width: 760px) {
  :root { --gutter: 22px; --header-height: 74px; --review-banner-height: 56px; }
  body { font-size: 16px; }
  h1 { font-size: 2.5rem; }
  h2 { font-size: 1.85rem; }
  .section { padding-block: 70px; }
  .section-heading { margin-bottom: 30px; }
  .section-heading h2 { margin-bottom: 18px; }
  .section-intro, .section-heading > p:not(.eyebrow) { font-size: .97rem; }
  .review-banner { padding: 8px 18px; font-size: .65rem; }
  .site-header > .container { justify-content: space-between; gap: 16px; }
  .brand { gap: 10px; }
  .brand-mark { width: 43px; height: 43px; border-radius: 7px; font-size: 1.2rem; }
  .brand-copy { gap: 4px; font-size: 1.02rem; }
  .brand-reading { font-size: .57rem; }
  .desktop-nav, .header-actions { display: none; }
  .menu-toggle { display: inline-flex; flex-shrink: 0; }
  .mobile-nav:not([hidden]) { position: absolute; top: 100%; right: 0; left: 0; display: grid; gap: 0; padding: 12px var(--gutter) 20px; border-bottom: 1px solid var(--line); background: #fff; box-shadow: 0 12px 20px rgba(23,43,77,.06); }
  .mobile-nav a { display: block; padding: 14px 2px; border-bottom: 1px solid var(--line); color: var(--ink); font-size: .91rem; text-decoration: none; }
  .mobile-nav a:hover { color: var(--primary); background: var(--surface); }
  .mobile-nav .btn { display: flex; margin-top: 12px; padding-inline: 18px; }
  .mobile-nav .btn-primary { color: #fff; }
  .mobile-nav .btn-primary:hover { background: var(--primary-hover); }
  .hero { padding: 48px 0 68px; }
  .hero-grid { grid-template-columns: minmax(0, 1fr); gap: 44px; }
  .hero-copy h1 { max-width: 650px; margin-bottom: 24px; font-size: clamp(2.55rem, 7.3vw, 3.65rem); line-height: 1.45; }
  .hero-lead { max-width: 580px; font-size: 1.06rem; }
  .hero-description { max-width: 590px; font-size: .93rem; }
  .hero-actions { gap: 12px; }
  .hero-actions .btn { min-width: 0; padding-inline: 20px; font-size: .88rem; }
  .hero-meta { margin-top: 18px; font-size: .7rem; }
  .hero-visual { width: 100%; max-width: 530px; margin-inline: auto; padding: 16px 4px 18px; }
  .hero-visual::before { top: 7px; right: -8px; bottom: 4px; left: 22px; transform: rotate(2.5deg); }
  .worknote { padding: 26px; }
  .worknote-title { font-size: 1.4rem; }
  .floating-label { bottom: 0; left: 10px; padding: 10px 16px; font-size: .74rem; transform: rotate(-2deg); }
  .intro-grid, .outcome-grid, .visit-grid, .product-grid { grid-template-columns: minmax(0, 1fr); gap: 30px; }
  .intro-grid .section-heading { margin-bottom: 0; }
  .problem-item { gap: 16px; padding: 22px 0; }
  .problem-item h3 { font-size: 1.04rem; }
  .product-card { padding: 28px; }
  .product-card h3 { font-size: 1.5rem; }
  .product-price { font-size: 2.15rem; }
  .selection-help { flex-direction: column; align-items: flex-start; gap: 14px; padding: 20px 22px; }
  .outcome-grid { gap: 32px; }
  .sample-sheet { padding: 25px; }
  .sample-row { grid-template-columns: 75px minmax(0, 1fr); gap: 14px; }
  .visit-grid { gap: 32px; }
  .ait-definition { grid-template-columns: minmax(0, 1fr); gap: 20px; margin-top: 38px; padding-top: 30px; }
  .ait-wordmark { font-size: 3.3rem; }
  .ait-wordmark small { display: inline-block; margin: 0 0 0 18px; vertical-align: middle; }
  .process-list { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .process-item { padding-top: 20px; }
  .process-item > span:first-child { margin-bottom: 10px; }
  .process-item h3 { margin-bottom: 8px; font-size: 1.15rem; }
  .process-item p { font-size: .92rem; }
  .faq-list summary { padding-block: 22px; padding-right: 35px; font-size: .96rem; }
  .faq-list summary::after { top: 21px; right: 4px; }
  .faq-answer { padding-right: 12px; font-size: .9rem; }
  .contact-strip { padding-block: 50px; }
  .contact-strip > .container { flex-direction: column; align-items: flex-start; gap: 28px; }
  .contact-strip h2 { font-size: 1.85rem; }
  .contact-strip .hero-actions { width: 100%; max-width: 460px; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; }
  .footer-grid > :first-child { grid-column: 1 / -1; }
  .site-footer { padding-top: 46px; }
  .footer-grid p { margin-top: 20px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; margin-top: 34px; gap: 10px; }
  .page-hero { padding: 26px 0 44px; }
  .page-hero h1 { font-size: clamp(2rem, 6.5vw, 2.8rem); }
  .breadcrumb { margin-bottom: 26px; font-size: .67rem; }
  .detail-layout { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .detail-sidebar { position: static; }
  .detail-main h2 { font-size: 1.55rem; }
  .detail-main > section + section { margin-top: 40px; }
  .price-panel { padding: 27px; }
  .scope-table { font-size: .84rem; }
  .scope-table th, .scope-table td { padding: 13px 12px; }
  .scope-table th { width: 31%; }
  .notice { padding: 18px 20px; font-size: .83rem; }
  .form-grid, .field-row, .choice-grid, .menu-selector { grid-template-columns: minmax(0, 1fr); }
  .field { margin-bottom: 23px; }
  .choice-card { padding: 17px; }
  .field label.choice-card { font-size: .9rem; }
  .form-actions { gap: 12px; }
  .form-actions .btn { width: 100%; }
  .summary-list > div { grid-template-columns: 95px minmax(0, 1fr); gap: 14px; }
  .preview-result { padding: 22px; }
  .dialog-shell { width: calc(100% - 28px); max-height: calc(100dvh - 36px); }
  .dialog-content { padding: 30px 24px; }
  .dialog-content h2 { font-size: 1.5rem; }
  .toast { right: 16px; bottom: 16px; max-width: calc(100% - 32px); padding: 14px 18px; font-size: .8rem; }
}

@media (max-width: 420px) {
  :root { --gutter: 20px; --review-banner-height: 64px; }
  .brand-copy { font-size: .92rem; }
  .brand-mark { width: 40px; height: 40px; font-size: 1.13rem; }
  .brand-reading { font-size: .53rem; letter-spacing: .04em; }
  .hero { padding-top: 38px; }
  .hero-copy h1 { font-size: clamp(2.3rem, 9.3vw, 2.65rem); }
  .hero-lead { font-size: 1rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .hero-meta span { display: block; }
  .hero-meta span + span::before { display: none; }
  .worknote { padding: 22px; }
  .worknote-title { font-size: 1.27rem; }
  .worknote-top { gap: 8px; }
  .worknote-label { font-size: .6rem; }
  .product-card { padding: 24px; }
  .product-card h3 { font-size: 1.38rem; }
  .sample-sheet { padding: 21px; }
  .sample-row { grid-template-columns: minmax(0, 1fr); gap: 5px; }
  .footer-grid { gap: 30px 20px; }
  .footer-links { font-size: .78rem; }
  .summary-list > div { grid-template-columns: minmax(0, 1fr); gap: 4px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .btn:hover, .btn:active { transform: none; }
}

@media print {
  :root { --review-banner-height: 0px; --header-height: 0px; }
  .review-banner, .desktop-nav, .header-actions, .menu-toggle, .mobile-nav,
  .site-footer, .toast, .dialog-shell, .skip-link { display: none !important; }
  .site-header { position: static; border: 0; }
  .site-header > .container { min-height: 64px; }
  .container { width: 100%; }
  .section, .hero, .page-hero { padding-block: 28px; }
  .hero-grid, .detail-layout, .visit-grid { display: block; }
  .hero-visual, .detail-sidebar { margin-top: 24px; }
  .product-card, .worknote, .sample-sheet { break-inside: avoid; box-shadow: none; }
  .section-dark, .site-footer { color: #000; background: #fff; }
  .section-dark p, .section-dark a, .section-dark .ait-wordmark { color: #000; }
}