/* =========================================================
   Intersystech Inc. — site.css (2026 renewal)
   ========================================================= */
:root {
  --navy-900: #0a1f2e;
  --navy-800: #0f2b3d;
  --navy-700: #163a52;
  --teal-500: #14a3a0;
  --teal-600: #0d8481;
  --teal-100: #e3f5f4;
  --ink: #16232d;
  --ink-soft: #4a5a66;
  --line: #dde4e9;
  --bg: #ffffff;
  --bg-soft: #f4f7f9;
  --focus: #f2a516;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(10, 31, 46, .08);
  --container: 1160px;
  --header-h: 72px;
  --font-ja: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  --font-en: "Inter", "Noto Sans JP", system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0;
  font-family: var(--font-ja);
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink);
  background: var(--bg);
  letter-spacing: .02em;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--teal-600); text-underline-offset: 3px; }
a:hover { color: var(--navy-800); }
h1, h2, h3, h4 { line-height: 1.4; margin: 0; font-weight: 700; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; }
table { border-collapse: collapse; width: 100%; }

:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 4px; }

.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 1000;
  background: var(--navy-800); color: #fff; padding: 10px 16px; border-radius: 8px;
  text-decoration: none; font-weight: 700;
}
.skip-link:focus { top: 12px; color: #fff; }

.sr-only {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 16px; }
@media (min-width: 768px) { .container { padding: 0 32px; } }
.container--narrow { max-width: 920px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .92);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, box-shadow .3s;
}
.site-header.is-scrolled { border-bottom-color: var(--line); box-shadow: 0 4px 20px rgba(10, 31, 46, .06); }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }
.site-logo { display: block; flex-shrink: 0; }
.site-logo img { width: 180px; height: auto; }
@media (min-width: 768px) { .site-logo img { width: 210px; } }

.global-nav ul { list-style: none; display: flex; align-items: center; gap: 4px; }
.global-nav a {
  display: block; padding: 10px 14px; border-radius: 999px;
  color: var(--ink); text-decoration: none; font-size: 15px; font-weight: 500;
  transition: background .2s, color .2s;
}
.global-nav a:hover { background: var(--bg-soft); color: var(--navy-800); }
.global-nav a[aria-current="page"] { color: var(--teal-600); }
.global-nav .nav-cta a { background: var(--navy-800); color: #fff; padding: 10px 20px; margin-left: 8px; }
.global-nav .nav-cta a:hover { background: var(--teal-600); color: #fff; }

.nav-toggle {
  display: none; position: relative; width: 44px; height: 44px; border: 0; border-radius: 10px;
  background: var(--bg-soft); cursor: pointer; padding: 0;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  position: absolute; left: 12px; width: 20px; height: 2px; background: var(--navy-800); content: "";
  transition: transform .25s, background .25s;
}
.nav-toggle span { top: 21px; }
.nav-toggle span::before { left: 0; top: -6px; }
.nav-toggle span::after { left: 0; top: 6px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 959px) {
  .js .nav-toggle { display: block; }
  .js .global-nav {
    position: fixed; inset: var(--header-h) 0 auto 0; max-height: calc(100vh - var(--header-h));
    overflow-y: auto; background: #fff; border-bottom: 1px solid var(--line);
    box-shadow: 0 20px 40px rgba(10, 31, 46, .12); display: none;
  }
  .js .global-nav.is-open { display: block; }
  .global-nav ul { flex-direction: column; align-items: stretch; padding: 12px 16px 20px; gap: 0; }
  .global-nav a { border-radius: 10px; padding: 14px 12px; font-size: 16px; border-bottom: 1px solid var(--bg-soft); }
  .global-nav .nav-cta a { margin: 12px 0 0; text-align: center; }
  /* No-JS fallback: show nav below logo */
  html:not(.js) .site-header__inner { flex-wrap: wrap; height: auto; padding: 12px 0; }
  html:not(.js) .global-nav { width: 100%; }
}

/* ---------- Hero (top page) ---------- */
.hero {
  position: relative; overflow: hidden; color: #fff;
  background:
    radial-gradient(1000px 500px at 85% 20%, rgba(20, 163, 160, .35), transparent 60%),
    radial-gradient(800px 600px at 10% 110%, rgba(20, 163, 160, .18), transparent 60%),
    linear-gradient(135deg, var(--navy-900), var(--navy-700));
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .06) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 95%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 95%);
}
.hero__inner { position: relative; display: grid; gap: 40px; padding-top: 72px; padding-bottom: 88px; align-items: center; }
@media (min-width: 960px) { .hero__inner { grid-template-columns: 1.15fr .85fr; padding-top: 112px; padding-bottom: 128px; } }
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: 20px;
  font-family: var(--font-en); font-size: 13px; font-weight: 600; letter-spacing: .2em; text-transform: uppercase;
  color: #9fe3e0;
}
.hero__eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--teal-500); }
.hero__title { font-size: clamp(21px, 5.8vw, 52px); font-weight: 700; line-height: 1.4; letter-spacing: .03em; }
@media (min-width: 960px) { .hero__title { font-size: clamp(30px, 2.9vw, 40px); } }
.hero__title .nowrap { white-space: nowrap; }
@media (max-width: 379px) { .hero__title .nowrap { white-space: normal; } }
.hero__title em { font-style: normal; color: #7fdcd8; }
.hero__lead { margin-top: 24px; max-width: 34em; color: rgba(255, 255, 255, .82); font-size: 16px; }
@media (min-width: 768px) { .hero__lead { font-size: 17px; } }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

.hero__visual { position: relative; display: none; }
@media (min-width: 960px) { .hero__visual { display: block; } }
.hero__visual svg { width: 100%; height: auto; }
.hero__wordmark {
  font-family: var(--font-en); font-weight: 800; font-size: 13px; letter-spacing: .3em;
  color: rgba(255, 255, 255, .5); margin-top: 8px; text-align: right;
}

/* ---------- Page header (sub pages) ---------- */
.page-head {
  position: relative; overflow: hidden; color: #fff;
  background: linear-gradient(135deg, var(--navy-900), var(--navy-700));
  padding: 56px 0 52px;
}
.page-head::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 40px 40px;
}
.page-head::after {
  content: ""; position: absolute; right: -120px; top: -120px; width: 380px; height: 380px; border-radius: 50%;
  background: radial-gradient(circle, rgba(20, 163, 160, .45), transparent 70%);
}
.page-head .container { position: relative; z-index: 1; }
@media (min-width: 768px) { .page-head { padding: 88px 0 80px; } }
.page-head__en {
  font-family: var(--font-en); font-size: 13px; font-weight: 600; letter-spacing: .24em; text-transform: uppercase; color: #9fe3e0;
}
.page-head__title { margin-top: 8px; font-size: clamp(26px, 4vw, 40px); }
.breadcrumb { margin-top: 16px; font-size: 13px; color: rgba(255, 255, 255, .7); }
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; }
.breadcrumb li + li::before { content: "/"; margin-right: 6px; opacity: .6; }
.breadcrumb a { color: rgba(255, 255, 255, .85); }
.breadcrumb a:hover { color: #fff; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 12px 28px; border-radius: 999px; border: 2px solid transparent;
  font-weight: 700; font-size: 15px; text-decoration: none; cursor: pointer; line-height: 1.4;
  transition: background .2s, color .2s, border-color .2s, transform .2s;
}
.btn::after { content: "→"; font-family: var(--font-en); transition: transform .2s; }
.btn:hover::after { transform: translateX(4px); }
.btn--primary { background: var(--teal-600); color: #fff; }
.btn--primary:hover { background: var(--teal-500); color: #fff; }
.btn--ghost { border-color: rgba(255, 255, 255, .5); color: #fff; }
.btn--ghost:hover { background: #fff; color: var(--navy-800); }
.btn--dark { background: var(--navy-800); color: #fff; }
.btn--dark:hover { background: var(--teal-600); color: #fff; }
.btn--outline { border-color: var(--navy-800); color: var(--navy-800); }
.btn--outline:hover { background: var(--navy-800); color: #fff; }
.btn[disabled] { opacity: .45; cursor: not-allowed; }
.btn[disabled]:hover { background: var(--teal-600); }
.btn--noarrow::after { content: none; }

/* ---------- Sections ---------- */
.section { padding: 72px 0; }
@media (min-width: 768px) { .section { padding: 104px 0; } }
.section--soft { background: var(--bg-soft); }
.section--tight { padding-top: 0; }
.section-head { margin-bottom: 40px; }
.section-head--center { text-align: center; }
.section-head__en {
  display: inline-block; font-family: var(--font-en); font-size: 13px; font-weight: 700;
  letter-spacing: .24em; text-transform: uppercase; color: var(--teal-600);
}
.section-head__title { margin-top: 8px; font-size: clamp(24px, 3.2vw, 34px); color: var(--navy-800); }
.section-head__lead { margin-top: 16px; color: var(--ink-soft); max-width: 40em; }
.section-head--center .section-head__lead { margin-left: auto; margin-right: auto; }

/* ---------- Cards ---------- */
.card-grid { display: grid; gap: 24px; }
@media (min-width: 768px) { .card-grid--3 { grid-template-columns: repeat(3, 1fr); } }
.card {
  display: flex; flex-direction: column; background: #fff; border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); text-decoration: none; color: var(--ink);
  transition: transform .3s, box-shadow .3s;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 18px 40px rgba(10, 31, 46, .14); color: var(--ink); }
.card__img { aspect-ratio: 16 / 9; overflow: hidden; background: var(--bg-soft); }
.card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.card:hover .card__img img { transform: scale(1.05); }
.card__body { padding: 24px 24px 28px; display: flex; flex-direction: column; flex: 1; }
.card__en { font-family: var(--font-en); font-size: 12px; font-weight: 700; letter-spacing: .2em; color: var(--teal-600); text-transform: uppercase; }
.card__title { font-size: 20px; color: var(--navy-800); margin-top: 4px; }
.card__text { margin-top: 12px; color: var(--ink-soft); font-size: 15px; flex: 1; }
.card__more { margin-top: 16px; font-weight: 700; font-size: 14px; color: var(--teal-600); }
.card__more::after { content: " →"; font-family: var(--font-en); }

/* ---------- Message / about strip ---------- */
.statement { display: grid; gap: 32px; align-items: center; }
@media (min-width: 960px) { .statement { grid-template-columns: 1fr 1fr; gap: 64px; } }
.statement__big {
  font-size: clamp(22px, 3vw, 32px); font-weight: 700; color: var(--navy-800); line-height: 1.6;
}
.statement__big span { background: linear-gradient(transparent 62%, var(--teal-100) 62%); }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 8px; }
.stat { background: var(--bg-soft); border-radius: 12px; padding: 18px 12px; text-align: center; }
.stat__num { font-family: var(--font-en); font-size: clamp(22px, 3vw, 30px); font-weight: 800; color: var(--navy-800); line-height: 1.2; }
.stat__label { font-size: 12px; color: var(--ink-soft); margin-top: 4px; }

/* ---------- News ---------- */
.news-list { list-style: none; border-top: 1px solid var(--line); }
.news-item { display: grid; gap: 6px; padding: 20px 4px; border-bottom: 1px solid var(--line); }
@media (min-width: 768px) { .news-item { grid-template-columns: 150px 96px 1fr; gap: 16px; align-items: baseline; padding: 22px 8px; } }
.news-item__date { font-family: var(--font-en); font-size: 14px; font-weight: 600; color: var(--ink-soft); }
.news-item__cat {
  justify-self: start; font-size: 12px; font-weight: 700; padding: 2px 10px; border-radius: 999px;
  background: var(--teal-100); color: var(--teal-600); white-space: nowrap;
}
.news-item__cat--event { background: #fff2dc; color: #9a5b00; }
.news-item__body { font-size: 15px; }
.news-item__body small { display: block; color: var(--ink-soft); font-size: 13px; }
.news-item--featured { background: linear-gradient(90deg, var(--teal-100), transparent 80%); border-radius: 10px; border-bottom-color: transparent; }
.news-item--featured .news-item__body { font-weight: 700; color: var(--navy-800); }
.news-more { margin-top: 24px; text-align: center; }
.news-item__open {
  display: inline; padding: 0; margin: 0; border: 0; background: none; cursor: pointer;
  font: inherit; color: inherit; text-align: left; line-height: inherit; letter-spacing: inherit;
  text-decoration: underline; text-decoration-color: transparent; text-underline-offset: 4px;
  transition: color .2s, text-decoration-color .2s;
}
.news-item__open::after { content: " ＋"; color: var(--teal-600); font-weight: 700; font-size: .85em; }
.news-item__open:hover { color: var(--teal-600); text-decoration-color: currentColor; }
.news-item__detail { margin-top: 8px; font-size: 14px; color: var(--ink-soft); }
.news-item__detail p { margin: 0 0 .4em; }
.js .news-item__detail { display: none; }
html:not(.js) .news-item__open { cursor: default; }
html:not(.js) .news-item__open::after { content: none; }

/* News modal (native <dialog>) */
.news-modal {
  width: min(640px, calc(100vw - 32px)); max-height: calc(100vh - 48px); padding: 0; border: 0;
  border-radius: 20px; box-shadow: 0 30px 80px rgba(10, 31, 46, .35); color: var(--ink); background: #fff;
  overflow: auto;
}
.news-modal::backdrop { background: rgba(10, 31, 46, .6); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); }
.news-modal[open] { animation: modal-in .28s ease-out; }
@keyframes modal-in { from { opacity: 0; transform: translateY(16px) scale(.98); } to { opacity: 1; transform: none; } }
.news-modal__inner { padding: 40px 24px 28px; border-top: 6px solid var(--teal-500); }
@media (min-width: 768px) { .news-modal__inner { padding: 48px 48px 36px; } }
.news-modal__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.news-modal__title { margin-top: 14px; font-size: clamp(19px, 2.6vw, 24px); color: var(--navy-800); line-height: 1.55; padding-right: 24px; }
.news-modal__body { margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 15px; }
.news-modal__body p { margin: 0 0 1em; }
.news-modal__footer { margin-top: 24px; text-align: right; }
.news-modal__x {
  position: absolute; top: 18px; right: 14px; width: 44px; height: 44px; border: 0; border-radius: 50%;
  background: var(--bg-soft); color: var(--navy-800); font-size: 24px; line-height: 1; cursor: pointer;
}
.news-modal__x:hover { background: var(--teal-100); }
body.modal-open { overflow: hidden; }
.news-list .is-collapsed { display: none; }

/* ---------- CTA band ---------- */
.cta-band {
  position: relative; overflow: hidden; border-radius: 24px; color: #fff; padding: 48px 24px; text-align: center;
  background:
    radial-gradient(600px 300px at 90% 0%, rgba(20, 163, 160, .45), transparent 60%),
    linear-gradient(135deg, var(--navy-900), var(--navy-700));
}
@media (min-width: 768px) { .cta-band { padding: 64px 48px; } }
.cta-band__title { font-size: clamp(22px, 3vw, 30px); }
.cta-band__text { margin: 12px auto 28px; color: rgba(255, 255, 255, .82); max-width: 36em; }
.cta-band__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.cta-band__tel {
  display: inline-flex; flex-direction: column; justify-content: center; min-height: 52px; padding: 6px 24px;
  border-radius: 999px; border: 2px solid rgba(255, 255, 255, .5); color: #fff; text-decoration: none; line-height: 1.3;
}
.cta-band__tel strong { font-family: var(--font-en); font-size: 18px; letter-spacing: .04em; }
.cta-band__tel small { font-size: 11px; opacity: .8; }
.cta-band__tel:hover { background: #fff; color: var(--navy-800); }

/* ---------- Service ---------- */
.lead-statement { font-size: clamp(18px, 2.4vw, 24px); font-weight: 700; color: var(--navy-800); text-align: center; line-height: 1.8; }
.lead-statement em { font-style: normal; color: var(--teal-600); }
.service-list { display: grid; gap: 72px; margin-top: 64px; }
.service { display: grid; gap: 28px; align-items: center; }
@media (min-width: 960px) {
  .service { grid-template-columns: 1.05fr 1fr; gap: 64px; }
  .service:nth-child(even) .service__img { order: 2; }
}
.service__img { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); aspect-ratio: 16 / 10; }
.service__img img { width: 100%; height: 100%; object-fit: cover; }
.service__num {
  font-family: var(--font-en); font-weight: 800; font-size: 56px; line-height: 1;
  color: transparent; -webkit-text-stroke: 1.5px var(--teal-500);
}
.service__title { font-size: clamp(20px, 2.6vw, 26px); color: var(--navy-800); margin-top: 12px; }
.service__text { margin-top: 16px; color: var(--ink-soft); }
.tag-list { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.tag-list li { font-size: 13px; padding: 4px 12px; border-radius: 999px; background: var(--bg-soft); color: var(--navy-700); }

.related-note {
  display: grid; gap: 16px; margin-top: 88px; padding: 28px; border-radius: var(--radius);
  border: 1px solid var(--line); background: #fff;
}
@media (min-width: 768px) { .related-note { grid-template-columns: auto 1fr auto; align-items: center; gap: 28px; padding: 28px 36px; } }
.related-note__label {
  font-family: var(--font-en); font-size: 12px; font-weight: 700; letter-spacing: .2em; color: var(--ink-soft); text-transform: uppercase;
}
.related-note__text { margin: 0; }
.related-note__text strong { color: var(--navy-800); }

/* ---------- Company ---------- */
.name-origin { display: grid; gap: 32px; align-items: center; }
@media (min-width: 960px) { .name-origin { grid-template-columns: .9fr 1.1fr; gap: 64px; } }
.name-origin__word { font-family: var(--font-en); font-weight: 800; color: var(--navy-800); font-size: clamp(30px, 4.4vw, 48px); line-height: 1.15; letter-spacing: -.01em; }
.name-origin__word span { color: var(--teal-600); }
.name-origin__word small { display: block; margin-top: 12px; font-family: var(--font-ja); font-size: 14px; font-weight: 500; color: var(--ink-soft); letter-spacing: .04em; }

.philosophy { list-style: none; display: grid; gap: 20px; counter-reset: ph; }
@media (min-width: 960px) { .philosophy { grid-template-columns: repeat(3, 1fr); } }
.philosophy li {
  position: relative; background: #fff; border-radius: var(--radius); padding: 36px 28px 30px; box-shadow: var(--shadow);
  font-weight: 500; color: var(--navy-800); line-height: 1.9;
}
.philosophy li::before {
  counter-increment: ph; content: "0" counter(ph);
  display: block; font-family: var(--font-en); font-weight: 800; font-size: 14px; letter-spacing: .1em; color: var(--teal-600); margin-bottom: 10px;
}

.data-table { border-top: 2px solid var(--navy-800); }
.data-table tr { border-bottom: 1px solid var(--line); }
.data-table th, .data-table td { padding: 18px 16px; text-align: left; vertical-align: top; font-size: 15px; }
.data-table th { width: 30%; min-width: 120px; font-weight: 700; color: var(--navy-800); background: var(--bg-soft); }
@media (max-width: 599px) {
  .data-table, .data-table tbody, .data-table tr, .data-table th, .data-table td { display: block; width: 100%; }
  .data-table th { padding: 12px 14px 8px; }
  .data-table td { padding: 10px 14px 18px; }
}
.cert-logos { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; margin-top: 12px; }
.cert-logos img { height: 64px; width: auto; }

.company-layout { display: grid; gap: 40px; }
@media (min-width: 960px) { .company-layout { grid-template-columns: 1fr 300px; gap: 48px; align-items: start; } }
.company-photo { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
@media (max-width: 959px) { .company-photo { max-width: 360px; margin: 0 auto; } }
@media (min-width: 960px) { .company-photo { position: sticky; top: calc(var(--header-h) + 24px); } }

/* ---------- Recruit ---------- */
.job { margin-top: 48px; }
.job:first-child { margin-top: 0; }
.job__head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 12px; margin-bottom: 16px; }
.job__title { font-size: clamp(20px, 2.6vw, 26px); color: var(--navy-800); }
.job__badge { font-family: var(--font-en); font-size: 12px; font-weight: 700; padding: 3px 12px; border-radius: 999px; background: var(--navy-800); color: #fff; letter-spacing: .1em; }
.recruit-intro { display: grid; gap: 16px; margin-bottom: 56px; }
@media (min-width: 768px) { .recruit-intro { grid-template-columns: repeat(3, 1fr); } }
.recruit-point { background: var(--bg-soft); border-radius: var(--radius); padding: 24px; }
.recruit-point h3 { font-size: 17px; color: var(--navy-800); }
.recruit-point p { margin: 8px 0 0; font-size: 14px; color: var(--ink-soft); }

/* ---------- Prose (privacy etc.) ---------- */
.prose h2 {
  font-size: clamp(18px, 2.2vw, 21px); color: var(--navy-800); margin: 48px 0 14px; padding-left: 16px; border-left: 4px solid var(--teal-500);
}
.prose h2:first-child { margin-top: 0; }
.prose ul { padding-left: 1.4em; margin: 0 0 1em; }
.prose li { margin: 4px 0; }

/* ---------- Disclosure (margin page) ---------- */
.disclosure { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 20px; }
@media (min-width: 768px) { .disclosure { padding: 48px 56px; } }
.disclosure__title { text-align: center; font-size: clamp(19px, 2.4vw, 24px); color: var(--navy-800); }
.disclosure__company { text-align: right; margin: 16px 0 8px; font-weight: 700; }
.disclosure__center { text-align: center; margin: 16px 0; }
.disclosure__right { text-align: right; margin: 24px 0 0; }
.disclosure-list { list-style: none; border-top: 1px solid var(--line); }
.disclosure-list > li { padding: 16px 4px; border-bottom: 1px solid var(--line); }
.disclosure-row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; }
.disclosure-row__label { font-weight: 700; color: var(--navy-800); }
.disclosure-row__value { font-family: var(--font-en); font-weight: 700; font-size: 18px; color: var(--teal-600); margin-left: auto; }
.disclosure-sub { list-style: none; margin-top: 8px; padding-left: 1.2em; color: var(--ink-soft); font-size: 15px; }
.disclosure-sub li { position: relative; }
.disclosure-sub li::before { content: "・"; position: absolute; left: -1.1em; }

/* ---------- Contact ---------- */
.contact-layout { display: grid; gap: 40px; }
@media (min-width: 960px) { .contact-layout { grid-template-columns: 1fr 340px; gap: 48px; align-items: start; } }
.contact-aside { display: grid; gap: 16px; }
.info-card { background: var(--bg-soft); border-radius: var(--radius); padding: 24px; }
.info-card h2, .info-card h3 { font-size: 16px; color: var(--navy-800); }
.info-card p { margin: 8px 0 0; font-size: 14px; color: var(--ink-soft); }
.info-card .tel-big { display: inline-block; margin-top: 6px; font-family: var(--font-en); font-weight: 800; font-size: 26px; color: var(--navy-800); text-decoration: none; letter-spacing: .02em; }
.info-card .tel-big:hover { color: var(--teal-600); }

.form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 20px; }
@media (min-width: 768px) { .form { padding: 40px; } }
.form__grid { display: grid; gap: 22px; }
@media (min-width: 768px) { .form__grid { grid-template-columns: 1fr 1fr; } .form__full { grid-column: 1 / -1; } }
.field label, .field .field__label { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 14px; color: var(--navy-800); margin-bottom: 8px; }
.req, .opt { font-size: 11px; font-weight: 700; padding: 1px 8px; border-radius: 4px; }
.req { background: #c2410c; color: #fff; }
.opt { background: var(--line); color: var(--ink-soft); }
.field input[type="text"], .field input[type="email"], .field input[type="tel"], .field select, .field textarea {
  width: 100%; min-height: 50px; padding: 12px 14px; border: 1.5px solid #c9d3da; border-radius: 10px;
  font: inherit; font-size: 16px; color: var(--ink); background: #fff; transition: border-color .2s, box-shadow .2s;
}
.field textarea { min-height: 180px; resize: vertical; line-height: 1.7; }
.field select { appearance: none; -webkit-appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--navy-800) 50%), linear-gradient(135deg, var(--navy-800) 50%, transparent 50%); background-position: calc(100% - 22px) 22px, calc(100% - 16px) 22px; background-size: 6px 6px; background-repeat: no-repeat; padding-right: 40px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--teal-600); box-shadow: 0 0 0 4px rgba(20, 163, 160, .18); }
.field [aria-invalid="true"] { border-color: #c2410c; }
.field__hint { font-size: 13px; color: var(--ink-soft); margin: 6px 0 0; }
.field__error { font-size: 13px; color: #b42318; margin: 6px 0 0; font-weight: 700; }
.field__error:empty { display: none; }
.check { display: flex; align-items: flex-start; gap: 10px; font-size: 15px; cursor: pointer; }
.check input { width: 20px; height: 20px; margin: 4px 0 0; accent-color: var(--teal-600); flex-shrink: 0; }
.form-honeypot { position: absolute !important; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form__footer { display: grid; gap: 16px; justify-items: center; margin-top: 28px; text-align: center; }
.form__footer .btn { min-width: 240px; }
.form-status { min-height: 1.5em; margin: 0; font-weight: 700; font-size: 15px; }
.form-status[data-state="success"] { color: var(--teal-600); }
.form-status[data-state="error"] { color: #b42318; }
.form-notice { padding: 16px 20px; border-radius: 10px; background: #fff7e6; color: #7a4a00; font-size: 14px; margin-bottom: 20px; }
.cf-turnstile { width: 100%; max-width: 420px; min-height: 65px; display: flex; justify-content: center; }

.map-wrap { margin-top: 0; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); aspect-ratio: 16 / 9; background: var(--bg-soft); }
@media (max-width: 599px) { .map-wrap { aspect-ratio: 4 / 5; } }
.map-wrap iframe { width: 100%; height: 100%; border: 0; display: block; }
.access-grid { display: grid; gap: 32px; }
@media (min-width: 960px) { .access-grid { grid-template-columns: 340px 1fr; align-items: start; } }
.access-list { list-style: none; display: grid; gap: 12px; }
.access-list li { padding-left: 1.4em; position: relative; }
.access-list li::before { content: ""; position: absolute; left: 0; top: .75em; width: 8px; height: 8px; border-radius: 50%; background: var(--teal-500); }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-900); color: rgba(255, 255, 255, .78); padding: 64px 0 28px; margin-top: 0; font-size: 14px; }
.site-footer a { color: rgba(255, 255, 255, .85); text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.footer-grid { display: grid; gap: 40px; }
@media (min-width: 960px) { .footer-grid { grid-template-columns: 1.2fr 1fr; gap: 64px; } }
.footer-brand__name { font-family: var(--font-en); font-weight: 800; font-size: 24px; color: #fff; letter-spacing: .02em; }
.footer-brand__ja { font-size: 13px; margin-top: 2px; }
.footer-brand address { font-style: normal; margin-top: 16px; line-height: 1.9; }
.footer-nav ul { list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 24px; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-top: 48px; padding-top: 24px; border-top: 1px solid rgba(255, 255, 255, .12); font-size: 12px; }
.page-top {
  display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-en); font-weight: 600; letter-spacing: .1em;
}

/* ---------- Utilities ---------- */
.mt-0 { margin-top: 0; }
.mt-lg { margin-top: 56px; }
.text-center { text-align: center; }
.muted { color: var(--ink-soft); }

/* ---------- Reveal animation (only when JS active) ---------- */
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s ease, transform .8s ease; }
.js .reveal.is-visible { opacity: 1; transform: none; }

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

@media print {
  .site-header, .site-footer, .nav-toggle, .cta-band { display: none; }
  .page-head, .hero { background: none; color: #000; }
}
