/* ==========================================================================
   保守・運用体制のリスク診断 (mainte/) — page-specific styles
   Base tone: navy / blue on white. Amber is used only for cautions.
   Loaded after ../css/style.css; header/footer keep the shared site look.
   ========================================================================== */

body.lp-mainte {
  --brand: #1f4fa3;
  --brand-dark: #10285a;
  --brand-light: #2f6bd6;
  --paper-tint: #eef3fb;
  --paper-soft: #f6f8fc;
  --line: #d9e2f1;
  --m-navy: #0e2147;
  --m-navy-2: #17397a;
  --m-ink: #0f1d3a;
  --m-sky: #eaf1fb;
  --m-amber: #9a4a06;
  --m-amber-bg: #fff4e0;
  --m-amber-line: #f0b252;
  --m-ok: #17603a;
  --m-ok-bg: #e7f5ec;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 200;
  background: #fff;
  color: var(--m-navy);
  padding: 10px 16px;
  border-radius: 8px;
  font-weight: 700;
  box-shadow: var(--shadow-md);
}
.skip-link:focus { top: 12px; }

.lp-mainte :focus-visible {
  outline: 3px solid #f59e0b;
  outline-offset: 2px;
  border-radius: 4px;
}

.lp-mainte .eyebrow::before { background: var(--brand-light); }
.lp-mainte .m-section h2,
.lp-mainte .m-hero h1 { letter-spacing: 0.01em; text-wrap: balance; word-break: auto-phrase; line-break: strict; }
.lp-mainte .m-head p, .lp-mainte .m-text, .lp-mainte .m-sub { word-break: auto-phrase; line-break: strict; }

/* ---------- buttons ---------- */
.lp-mainte .btn--blue { background: var(--brand); color: #fff; box-shadow: 0 10px 24px rgba(31, 79, 163, 0.28); }
.lp-mainte .btn--blue:hover { background: var(--brand-dark); }
.lp-mainte .btn--white { background: #fff; color: var(--m-navy); }
.lp-mainte .btn--white:hover { background: #eaf1fb; }
.lp-mainte .btn--ghost-light { background: transparent; color: #fff; border-color: rgba(255, 255, 255, 0.6); }
.lp-mainte .btn--ghost-light:hover { background: rgba(255, 255, 255, 0.12); }
.lp-mainte .btn--outline-blue { background: #fff; color: var(--brand); border-color: var(--brand); }
.lp-mainte .btn--outline-blue:hover { background: var(--m-sky); }

/* ---------- breadcrumb ---------- */
.m-breadcrumb { font-size: 13px; color: #b9c7e6; margin-bottom: 18px; }
.m-breadcrumb a { text-decoration: underline; text-underline-offset: 3px; }
.m-breadcrumb a:hover { color: #fff; }

/* ---------- hero ---------- */
.m-hero {
  background: linear-gradient(135deg, var(--m-navy) 0%, var(--m-navy-2) 100%);
  color: #fff;
  padding: 56px 0 72px;
}
.m-hero .container {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}
.m-service-name {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #cfe0ff;
  border: 1px solid rgba(207, 224, 255, 0.5);
  border-radius: 999px;
  padding: 6px 14px;
}
.m-hero h1 {
  margin-top: 18px;
  font-size: clamp(28px, 3.6vw, 44px);
  line-height: 1.4;
  font-weight: 800;
}
.m-hero .m-sub {
  margin-top: 16px;
  font-size: clamp(17px, 1.8vw, 20px);
  font-weight: 700;
  color: #cfe0ff;
}
.m-hero .m-body { margin-top: 18px; color: #dbe6fb; font-size: 15px; max-width: 56ch; }
.m-price {
  margin-top: 26px;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 6px 14px;
}
.m-price .m-price-label { font-size: 13px; font-weight: 700; color: #cfe0ff; }
.m-price .m-price-num { font-size: 40px; font-weight: 800; line-height: 1; }
.m-price .m-price-num small { font-size: 18px; margin-left: 2px; }
.tax-note { font-size: 12.5px; color: #cfe0ff; }
.m-cta-row { margin-top: 26px; display: flex; flex-wrap: wrap; gap: 12px; }
.m-hero-visual {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-lg);
  padding: 22px;
}
.m-hero-visual svg { display: block; width: 100%; height: auto; }
.m-hero-visual figcaption { margin-top: 10px; font-size: 12px; color: #b9c7e6; }

/* ---------- generic sections ---------- */
.m-section { padding: 88px 0; }
.m-section--tint { background: var(--paper-tint); }
.m-section--navy { background: var(--m-navy); color: #fff; }
.m-section--navy .eyebrow { color: #cfe0ff; }
.m-head { max-width: 760px; margin: 0 0 40px; }
.m-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.m-head h2 { margin-top: 12px; font-size: clamp(23px, 2.8vw, 32px); font-weight: 800; line-height: 1.45; }
.m-head p, .m-text { margin-top: 14px; color: var(--ink-soft); font-size: 15.5px; line-height: 1.9; }
.m-section--navy .m-head p { color: #dbe6fb; }
.m-text strong { color: var(--m-ink); }

.m-note {
  margin-top: 22px;
  padding: 14px 18px;
  border-left: 4px solid var(--m-amber-line);
  background: var(--m-amber-bg);
  color: #4a2a05;
  font-size: 13.5px;
  line-height: 1.8;
  border-radius: 0 8px 8px 0;
}
.m-note.is-info { border-left-color: var(--brand-light); background: var(--m-sky); color: var(--m-ink); }
.m-lead-strong {
  margin-top: 28px;
  text-align: center;
  font-size: clamp(19px, 2.4vw, 26px);
  font-weight: 800;
  color: var(--brand-dark);
}

/* ---------- 02 check cards ---------- */
.check-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 8px; }
.check-card {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 18px 20px;
}
.check-card .n {
  flex: none;
  width: 30px; height: 30px;
  border-radius: 8px;
  background: var(--m-sky);
  color: var(--brand);
  display: grid; place-items: center;
  font-weight: 800;
  font-size: 14px;
}
.check-card p { font-size: 15px; font-weight: 700; color: var(--m-ink); line-height: 1.6; }
.check-card span { display: block; margin-top: 2px; font-weight: 500; font-size: 12.5px; color: var(--ink-soft); }

/* ---------- 03 diagrams ---------- */
.fig { margin: 32px 0 0; }
.fig figcaption { margin-top: 10px; font-size: 13px; color: var(--ink-soft); }
.fig-title { font-size: 14px; font-weight: 800; color: var(--brand-dark); margin-bottom: 12px; }

.dg-a { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 26px; }
.dg-a-top { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.dg-card {
  background: var(--m-sky);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 12px;
  text-align: center;
}
.dg-card b { display: block; font-size: 15px; color: var(--m-ink); }
.dg-card span { display: block; margin-top: 4px; font-size: 12.5px; color: var(--ink-soft); }
.dg-gap {
  margin: 14px 0;
  padding: 16px;
  text-align: center;
  border: 2px dashed var(--m-amber-line);
  background: var(--m-amber-bg);
  border-radius: 12px;
  color: #4a2a05;
  font-weight: 800;
  font-size: 15.5px;
}
.dg-gap small { display: block; margin-top: 4px; font-weight: 500; font-size: 12.5px; }
.dg-a-flow { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 10px; }
.dg-step {
  background: var(--brand);
  color: #fff;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
}
.dg-arrow { color: var(--brand); font-size: 20px; font-weight: 800; }

.matrix { min-width: 640px; }
.matrix th, .matrix td { text-align: center; font-size: 13px; }
.matrix thead th { background: var(--paper-tint); color: var(--m-ink); }
.matrix tbody th { text-align: left; background: #fff; white-space: nowrap; }
.matrix .on { background: #cfe0ff; color: var(--brand-dark); font-weight: 800; }
.matrix .dup { background: #ffd9a6; color: #5a2d00; font-weight: 800; }
.matrix .gap { background: var(--m-amber-bg); color: #5a2d00; font-weight: 800; border: 2px dashed var(--m-amber-line); }
.matrix tfoot td { background: #fff; font-size: 12.5px; font-weight: 700; }
.legend { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 12px; font-size: 13px; color: var(--ink-soft); }
.legend i { display: inline-block; width: 14px; height: 14px; border-radius: 3px; margin-right: 6px; vertical-align: -2px; }
.legend .l-on { background: #cfe0ff; }
.legend .l-dup { background: #ffd9a6; }
.legend .l-gap { background: var(--m-amber-bg); border: 2px dashed var(--m-amber-line); }

/* ---------- 04 bridge ---------- */
.bridge {
  margin-top: 30px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 18px;
  align-items: center;
}
.bridge .b-box {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 20px;
}
.bridge .b-box h3 { font-size: 15px; font-weight: 800; color: var(--brand-dark); }
.bridge .b-box p { margin-top: 6px; font-size: 14px; color: var(--ink-soft); }
.bridge .b-link { text-align: center; font-weight: 800; color: var(--brand); font-size: 13px; }
.bridge .b-link .b-arrow { display: block; font-size: 28px; line-height: 1; }
.m-emph {
  margin-top: 30px;
  padding: 24px;
  text-align: center;
  background: var(--m-navy);
  color: #fff;
  border-radius: var(--radius-md);
  font-size: clamp(18px, 2.2vw, 24px);
  font-weight: 800;
}

/* ---------- tables ---------- */
.m-table-wrap { overflow-x: auto; border-radius: var(--radius-sm); }
.m-table-wrap:focus-visible { outline-offset: 4px; }
.m-table { width: 100%; border-collapse: collapse; background: #fff; min-width: 560px; font-size: 14px; }
.m-table caption { text-align: left; font-size: 13px; color: var(--ink-soft); padding: 0 0 8px; }
.m-table th, .m-table td { border: 1px solid var(--line); padding: 13px 16px; text-align: left; vertical-align: top; line-height: 1.7; }
.m-table thead th { background: var(--m-navy-2); color: #fff; font-weight: 700; }
.m-table tbody th { background: var(--paper-tint); color: var(--m-ink); font-weight: 700; width: 22%; }
.m-table td { color: var(--ink-soft); }
.m-table.sample thead th { background: var(--brand); }
.m-table .tag-warn { color: var(--m-amber); font-weight: 700; }

/* ---------- 06 / 12 flow ---------- */
.flow { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; gap: 10px; align-items: stretch; margin-top: 10px; list-style: none; padding: 0; }
.flow li { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-md); padding: 16px; font-size: 14px; color: var(--ink-soft); }
.flow li b { display: block; color: var(--m-ink); font-size: 14.5px; margin-bottom: 4px; }
.flow li.is-result { background: var(--m-sky); border-color: #b8cdf0; }
.flow .sep { align-self: center; color: var(--brand); font-weight: 800; font-size: 20px; background: none; border: none; padding: 0; }

.timeline { list-style: none; padding: 0; margin: 10px 0 0; counter-reset: tl; }
.timeline li { position: relative; padding: 0 0 26px 62px; }
.timeline li::before {
  counter-increment: tl;
  content: counter(tl, decimal-leading-zero);
  position: absolute; left: 0; top: 0;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--brand); color: #fff;
  display: grid; place-items: center; font-weight: 800; font-size: 14px;
}
.timeline li::after {
  content: ""; position: absolute; left: 21px; top: 46px; bottom: 2px; width: 2px; background: var(--line);
}
.timeline li:last-child::after { display: none; }
.timeline li b { display: block; font-size: 16px; color: var(--m-ink); }
.timeline li span { display: block; margin-top: 2px; font-size: 14px; color: var(--ink-soft); }
.timeline li.is-optional::before { background: #fff; color: var(--brand); border: 2px solid var(--brand); }

/* ---------- 07 steps ---------- */
.step-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
.step-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
}
.step-card.is-main { border: 2px solid var(--brand); box-shadow: 0 16px 36px rgba(31, 79, 163, 0.16); position: relative; }
.step-card .badge-main {
  position: absolute; top: -14px; left: 24px;
  background: var(--brand); color: #fff; font-size: 12px; font-weight: 800;
  padding: 5px 14px; border-radius: 999px;
}
.step-card .s-no { font-size: 12px; font-weight: 800; letter-spacing: 0.08em; color: var(--brand); }
.step-card h3 { margin-top: 6px; font-size: 20px; font-weight: 800; color: var(--m-ink); }
.step-card .s-price { margin-top: 12px; font-size: 30px; font-weight: 800; color: var(--brand-dark); line-height: 1.2; }
.step-card .s-price small { font-size: 14px; font-weight: 700; }
.step-card .s-tax { font-size: 12px; color: var(--ink-soft); margin-top: 2px; }
.step-card .s-desc { margin-top: 14px; font-size: 14px; color: var(--ink-soft); line-height: 1.8; }
.step-card dl { margin: 16px 0 0; padding-top: 14px; border-top: 1px solid var(--line); font-size: 13.5px; }
.step-card dt { font-weight: 800; color: var(--m-ink); }
.step-card dd { margin: 2px 0 10px; color: var(--ink-soft); }
.step-card .btn { margin-top: auto; justify-content: center; }
.step-card .s-spacer { margin-top: auto; padding-top: 14px; font-size: 12.5px; color: var(--ink-soft); }

/* ---------- 10 before/after ---------- */
.ba { display: grid; grid-template-columns: 1fr auto 1fr; gap: 18px; align-items: stretch; }
.ba-col { border-radius: var(--radius-lg); padding: 24px; }
.ba-col h3 { font-size: 16px; font-weight: 800; }
.ba-col ul { list-style: none; padding: 0; margin: 14px 0 0; display: grid; gap: 10px; }
.ba-col li { padding: 12px 14px; border-radius: 10px; font-size: 14px; line-height: 1.7; }
.ba-before { background: #fff; border: 1px solid var(--m-amber-line); }
.ba-before h3 { color: var(--m-amber); }
.ba-before li { background: var(--m-amber-bg); color: #4a2a05; }
.ba-after { background: #fff; border: 1px solid #b8cdf0; }
.ba-after h3 { color: var(--brand); }
.ba-after li { background: var(--m-sky); color: var(--m-ink); }
.ba-arrow { align-self: center; font-size: 30px; font-weight: 800; color: var(--brand); }

/* ---------- 11 cross diagram ---------- */
.cross {
  display: grid;
  grid-template-columns: 1fr 1.1fr 1fr;
  grid-template-rows: auto auto auto;
  gap: 14px;
  align-items: stretch;
  max-width: 860px;
  margin: 28px auto 0;
}
.cross .c-node { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 16px; text-align: center; }
.cross .c-node b { display: block; font-size: 15px; color: var(--m-ink); }
.cross .c-node span { display: block; margin-top: 4px; font-size: 12.5px; color: var(--ink-soft); }
.cross .c-top { grid-column: 2; grid-row: 1; }
.cross .c-left { grid-column: 1; grid-row: 2; }
.cross .c-center {
  grid-column: 2; grid-row: 2;
  background: var(--brand); color: #fff; border: none;
  display: grid; place-items: center;
}
.cross .c-center b { color: #fff; font-size: 16px; line-height: 1.6; }
.cross .c-center span { color: #dbe6fb; }
.cross .c-right { grid-column: 3; grid-row: 2; }
.cross .c-bottom { grid-column: 2; grid-row: 3; }
.cross .c-node { position: relative; }
.cross .c-top::after, .cross .c-bottom::before, .cross .c-left::after, .cross .c-right::before {
  content: ""; position: absolute; background: var(--brand-light);
}
.cross .c-top::after { left: 50%; bottom: -14px; width: 2px; height: 14px; margin-left: -1px; }
.cross .c-bottom::before { left: 50%; top: -14px; width: 2px; height: 14px; margin-left: -1px; }
.cross .c-left::after { right: -14px; top: 50%; width: 14px; height: 2px; margin-top: -1px; }
.cross .c-right::before { left: -14px; top: 50%; width: 14px; height: 2px; margin-top: -1px; }

/* ---------- 13 faq ---------- */
.faq { display: grid; gap: 12px; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-md); }
.faq summary {
  cursor: pointer; list-style: none;
  padding: 18px 54px 18px 56px; position: relative;
  font-weight: 800; font-size: 15.5px; color: var(--m-ink); line-height: 1.6;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before {
  content: "Q"; position: absolute; left: 18px; top: 16px;
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--brand); color: #fff; display: grid; place-items: center; font-size: 13px;
}
.faq summary::after { content: "＋"; position: absolute; right: 20px; top: 16px; color: var(--brand); font-weight: 800; }
.faq details[open] summary::after { content: "－"; }
.faq .ans { padding: 0 24px 20px 56px; color: var(--ink-soft); font-size: 14.5px; line-height: 1.9; }
.faq .ans b { color: var(--brand-dark); margin-right: 6px; }

/* ---------- 14 form ---------- */
.m-form-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-sm);
  max-width: 820px;
  margin: 0 auto;
}
.m-form-card h3 { font-size: 20px; font-weight: 800; color: var(--m-ink); }
.m-form-card .m-form-lead { margin-top: 8px; font-size: 14px; color: var(--ink-soft); }
.m-fieldset { border: none; padding: 0; margin: 0 0 24px; }
.m-fieldset legend { font-size: 14px; font-weight: 700; margin-bottom: 10px; padding: 0; }
.radio-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.radio-cards label {
  display: flex; gap: 12px; align-items: flex-start;
  border: 2px solid var(--line); border-radius: var(--radius-md);
  padding: 14px 16px; cursor: pointer; background: #fff;
  font-weight: 700; font-size: 14.5px; color: var(--m-ink);
}
.radio-cards label span { display: block; margin-top: 2px; font-size: 12.5px; font-weight: 500; color: var(--ink-soft); }
.radio-cards input { width: 18px; height: 18px; margin-top: 3px; flex: none; accent-color: var(--brand); }
.radio-cards label:has(input:checked) { border-color: var(--brand); background: var(--m-sky); }
.radio-cards label:has(input:focus-visible) { outline: 3px solid #f59e0b; outline-offset: 2px; }
.lp-mainte .field select {
  width: 100%; border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 13px 14px; font: inherit; color: var(--ink); background: var(--paper-soft);
}
.lp-mainte .field input:focus, .lp-mainte .field textarea:focus, .lp-mainte .field select:focus {
  outline: none; border-color: var(--brand); background: #fff; box-shadow: 0 0 0 3px rgba(47, 107, 214, 0.25);
}
.lp-mainte .field .req { color: #8a3a00; border-color: #8a3a00; }
.lp-mainte .field .opt { margin-left: 6px; font-size: 11px; color: var(--ink-soft); font-weight: 600; }
.lp-mainte .field .hint { margin-top: 6px; font-size: 12.5px; color: var(--ink-soft); }
.field-error { margin-top: 6px; color: #b42318; font-size: 13px; font-weight: 700; display: none; }
.field.has-error .field-error { display: block; }
.field.has-error input, .field.has-error textarea, .field.has-error select { border-color: #b42318; background: #fff6f5; }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-summary {
  display: none;
  margin-bottom: 20px; padding: 14px 18px; border-radius: 10px;
  background: #fff6f5; border: 1px solid #f4b6af; color: #7a1c13; font-size: 14px; font-weight: 700;
}
.form-summary.is-visible { display: block; }
.form-summary ul { margin: 6px 0 0 18px; padding: 0; font-weight: 500; }
.confirm-panel { display: none; }
.confirm-panel.is-visible { display: block; }
.confirm-panel dl { margin: 18px 0 0; border-top: 1px solid var(--line); }
.confirm-panel dl > div { display: grid; grid-template-columns: 180px 1fr; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.confirm-panel dt { font-weight: 800; font-size: 14px; color: var(--m-ink); }
.confirm-panel dd { margin: 0; font-size: 14.5px; color: var(--ink-soft); white-space: pre-wrap; word-break: break-word; }
.confirm-actions { margin-top: 26px; display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.send-error {
  display: none; margin-top: 18px; padding: 14px 18px; border-radius: 10px;
  background: #fff6f5; border: 1px solid #f4b6af; color: #7a1c13; font-size: 14px;
}
.send-error.is-visible { display: block; }
.m-company { margin-top: 36px; text-align: center; font-size: 13.5px; color: var(--ink-soft); line-height: 1.9; }
.m-company a { color: var(--brand); text-decoration: underline; text-underline-offset: 3px; }

/* ---------- misc ---------- */
.m-sticky-cta { display: none; }
.thanks-wrap { max-width: 720px; margin: 0 auto; text-align: center; }
.thanks-wrap .check-circle { width: 72px; height: 72px; margin: 0 auto 22px; border-radius: 50%; background: var(--m-ok-bg); color: var(--m-ok); display: grid; place-items: center; }

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .m-hero .container { grid-template-columns: 1fr; gap: 32px; }
  .step-cards { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr; }
  .flow .sep { transform: rotate(90deg); justify-self: center; }
  .ba { grid-template-columns: 1fr; }
  .ba-arrow { transform: rotate(90deg); justify-self: center; }
  .bridge { grid-template-columns: 1fr; }
  .bridge .b-link .b-arrow { transform: rotate(90deg); display: inline-block; }
}
@media (max-width: 700px) {
  .m-section { padding: 64px 0; }
  .check-cards { grid-template-columns: 1fr; }
  .dg-a-top { grid-template-columns: repeat(2, 1fr); }
  .cross { grid-template-columns: 1fr; grid-template-rows: none; }
  .cross .c-top, .cross .c-left, .cross .c-center, .cross .c-right, .cross .c-bottom { grid-column: 1; grid-row: auto; }
  .cross .c-center { order: -1; }
  .cross .c-top::after, .cross .c-bottom::before, .cross .c-left::after, .cross .c-right::before { display: none; }
  .radio-cards { grid-template-columns: 1fr; }
  .m-form-card { padding: 26px 20px; }
  .confirm-panel dl > div { grid-template-columns: 1fr; gap: 4px; }
  .m-price .m-price-num { font-size: 34px; }
  .m-cta-row .btn { width: 100%; justify-content: center; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}