/* ============================================================
   ONRクイック出張洗車サービス — 共通スタイルシート
   ============================================================ */

:root {
  /* Colors */
  --color-bg: #ffffff;
  --color-bg-dark: #0a1f3d;
  --color-bg-dark-alt: #0f2a52;
  --color-surface-alt: #f2f5f9;
  --color-border: #dde3ec;
  --color-text: #16202b;
  --color-text-muted: #4c5a6a;
  --color-text-on-dark: #f5f8fc;
  --color-text-on-dark-muted: #b7c6dc;
  --color-accent: #1e6fd9;
  --color-accent-light: #4fc3e8;
  --color-accent-dark: #14508f;
  --color-warn-bg: #fff6e5;
  --color-warn-border: #f0c869;
  --color-warn-text: #7a5b12;

  /* Typography */
  --font-heading: "Noto Sans JP", sans-serif;
  --font-body: "Noto Sans JP", sans-serif;

  /* Layout */
  --radius-sm: 3px;
  --radius-md: 6px;
  --container-width: 1180px;
  --nav-breakpoint: 1180px;
}

/* ---------- Reset & base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  overflow-x: hidden; /* guard against fixed-position mobile nav drawer causing scroll */
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.4;
  margin: 0 0 0.6em;
  color: var(--color-text);
}

p {
  margin: 0 0 1em;
}

a {
  color: var(--color-accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  display: block;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

:focus-visible {
  outline: 3px solid var(--color-accent-light);
  outline-offset: 2px;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-accent-dark);
  color: #fff;
  padding: 12px 20px;
  z-index: 1000;
  border-radius: 0 0 var(--radius-md) 0;
}

.skip-link:focus {
  left: 0;
}

/* ---------- Section helpers ---------- */
.section {
  padding: 72px 0;
}

.section--alt {
  background: var(--color-surface-alt);
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2.1rem);
  margin-bottom: 12px;
}

.section-lead {
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 0 40px;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}

.section-header .section-lead {
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  white-space: nowrap;
  min-height: 44px;
  padding: 12px 26px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--color-accent-dark);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-accent);
  color: #fff;
}

.btn-outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.6);
  color: var(--color-text-on-dark);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-text-on-dark);
}

.btn-ghost {
  background: transparent;
  border-color: var(--color-accent-dark);
  color: var(--color-accent-dark);
}

.btn-ghost:hover {
  background: var(--color-accent-dark);
  color: #fff;
}

.btn-block {
  width: 100%;
}

/* ============================================================
   Header / Navigation
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: var(--color-bg-dark);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text-on-dark);
  min-height: 44px;
}

.brand:hover {
  text-decoration: none;
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--color-accent-light), var(--color-accent) 55%, var(--color-bg-dark) 100%);
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.brand-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-text-on-dark);
}

.brand-sub {
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--color-text-on-dark-muted);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  white-space: nowrap;
  color: var(--color-text-on-dark-muted);
  font-weight: 500;
  font-size: 0.94rem;
  padding: 10px 2px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--color-text-on-dark);
  text-decoration: none;
}

.nav-links a[aria-current="page"] {
  border-bottom: 2px solid var(--color-accent-light);
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: var(--color-text-on-dark);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.nav-toggle .icon-bar {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  position: relative;
}

.nav-toggle .icon-bar::before,
.nav-toggle .icon-bar::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background: currentColor;
}

.nav-toggle .icon-bar::before {
  top: -6px;
}

.nav-toggle .icon-bar::after {
  top: 6px;
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  background: linear-gradient(180deg, var(--color-bg-dark) 0%, var(--color-bg-dark-alt) 100%);
  color: var(--color-text-on-dark);
  overflow: hidden;
  padding: 88px 0 96px;
}

.hero::before {
  content: "";
  position: absolute;
  top: -180px;
  right: -160px;
  width: 560px;
  height: 560px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, rgba(79, 195, 232, 0.55), rgba(30, 111, 217, 0.28) 45%, transparent 72%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: -220px;
  left: -140px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle at 60% 40%, rgba(30, 111, 217, 0.35), transparent 70%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 680px;
}

.hero-inner.hero-inner--wide {
  max-width: 100%;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.hero-tag {
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 0.78rem;
  color: var(--color-text-on-dark-muted);
}

.hero-eyebrow {
  color: var(--color-accent-light);
  font-weight: 700;
  letter-spacing: 0.1em;
  font-size: 0.82rem;
  margin-bottom: 16px;
  display: block;
}

.hero h1 {
  color: #fff;
  font-size: clamp(1.9rem, 1.3rem + 2.6vw, 2.9rem);
  margin-bottom: 20px;
}

.hero p.hero-lead {
  color: var(--color-text-on-dark-muted);
  font-size: 1.05rem;
  max-width: 560px;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.hero-page {
  padding: 64px 0 72px;
}

.hero-page h1 {
  color: #fff;
  font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.3rem);
  margin-bottom: 12px;
}

.hero-page p {
  color: var(--color-text-on-dark-muted);
  max-width: 620px;
}

.breadcrumb {
  font-size: 0.82rem;
  color: var(--color-text-on-dark-muted);
  margin-bottom: 20px;
}

.breadcrumb a {
  color: var(--color-text-on-dark-muted);
  text-decoration: underline;
}

/* ============================================================
   Cards / grids
   ============================================================ */
.grid {
  display: grid;
  gap: 28px;
}

.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid--2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

.value-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 26px;
  position: relative;
}

.value-card .value-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-accent-dark);
  color: #fff;
  font-weight: 700;
  margin-bottom: 18px;
}

.value-card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.value-card p {
  color: var(--color-text-muted);
  margin-bottom: 0;
  font-size: 0.95rem;
}

.icon-badge {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-dark);
  flex-shrink: 0;
}

.icon-badge svg {
  width: 26px;
  height: 26px;
}

/* placeholder photo block (no real photos available yet) */
.photo-placeholder {
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-bg-dark) 0%, var(--color-accent) 55%, var(--color-accent-light) 100%);
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.82rem;
  text-align: center;
  padding: 20px;
}

/* ============================================================
   Pricing (松竹梅)
   ============================================================ */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}

.pricing-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
}

.pricing-card--featured {
  border-color: var(--color-accent);
  box-shadow: 0 18px 40px rgba(30, 111, 217, 0.16);
  position: relative;
  transform: translateY(-8px);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 28px;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 999px;
}

.pricing-kicker {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.pricing-name {
  font-size: 1.3rem;
  margin: 4px 0 14px;
}

.pricing-duration {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 14px;
}

.pricing-desc {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  margin-bottom: 20px;
  flex-grow: 1;
}

.pricing-price {
  font-family: var(--font-heading);
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--color-accent-dark);
  margin-bottom: 6px;
}

.pricing-price span {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.pricing-breakdown {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-bottom: 22px;
}

/* Subscription banner */
.subscription-banner {
  background: var(--color-bg-dark);
  color: var(--color-text-on-dark);
  border-radius: var(--radius-md);
  padding: 40px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.subscription-banner h3 {
  color: #fff;
  font-size: 1.25rem;
  margin-bottom: 8px;
}

.subscription-banner p {
  color: var(--color-text-on-dark-muted);
  margin-bottom: 0;
  max-width: 460px;
}

.subscription-price {
  text-align: right;
}

.subscription-price .was {
  text-decoration: line-through;
  color: var(--color-text-on-dark-muted);
  font-size: 0.9rem;
}

.subscription-price .now {
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  font-family: var(--font-heading);
}

.subscription-price .now span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-on-dark-muted);
}

.subscription-off {
  display: inline-block;
  margin-top: 6px;
  background: var(--color-accent-light);
  color: var(--color-bg-dark);
  font-weight: 700;
  font-size: 0.78rem;
  padding: 4px 10px;
  border-radius: 999px;
}

/* Promo banner (初回特典) */
.promo-banner {
  background: var(--color-warn-bg);
  border: 1px solid var(--color-warn-border);
  border-radius: var(--radius-md);
  padding: 28px 32px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  justify-content: space-between;
}

.promo-banner strong {
  color: var(--color-warn-text);
}

.promo-banner .promo-text {
  font-size: 1.02rem;
  color: var(--color-warn-text);
  font-weight: 700;
}

.note {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

/* ============================================================
   Tables (area / pricing detail)
   ============================================================ */
.data-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}

.data-table th,
.data-table td {
  text-align: left;
  padding: 16px 18px;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.92rem;
  vertical-align: top;
}

.data-table thead th {
  background: var(--color-bg-dark);
  color: var(--color-text-on-dark);
  font-weight: 700;
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

.priority-pill {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 700;
}

.priority-pill--main {
  background: rgba(30, 111, 217, 0.12);
  color: var(--color-accent-dark);
}

.priority-pill--growing {
  background: rgba(79, 195, 232, 0.18);
  color: var(--color-accent-dark);
}

.priority-pill--out {
  background: var(--color-surface-alt);
  color: var(--color-text-muted);
}

/* Area cards */
.area-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
}

.area-card h3 {
  font-size: 1.1rem;
  margin-bottom: 6px;
}

.area-card .area-tagline {
  color: var(--color-accent-dark);
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 12px;
}

.area-card p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  margin-bottom: 0;
}

.area-card--out {
  background: var(--color-surface-alt);
  border-style: dashed;
}

.map-embed {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.map-embed iframe {
  width: 100%;
  height: 360px;
  border: 0;
  display: block;
}

/* ============================================================
   Flow steps
   ============================================================ */
.flow-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: flow;
}

.flow-step {
  position: relative;
  padding: 28px 22px 22px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.flow-step::before {
  counter-increment: flow;
  content: counter(flow);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  font-weight: 700;
  margin-bottom: 14px;
}

.flow-step h3 {
  font-size: 1.02rem;
  margin-bottom: 8px;
}

.flow-step p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

.flow-arrow {
  display: none;
}

/* ============================================================
   FAQ
   ============================================================ */
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
}

.faq-item summary {
  list-style: none;
}

.faq-item summary::-webkit-details-marker,
.faq-item summary::marker {
  display: none;
  content: "";
}

.faq-question {
  width: 100%;
  text-align: left;
  background: var(--color-bg);
  border: none;
  padding: 20px 24px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.98rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  min-height: 44px;
  color: var(--color-text);
}

.faq-question .faq-icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid var(--color-accent-dark);
  color: var(--color-accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: transform 0.15s ease;
}

.faq-item[open] .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 24px 22px;
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

/* ============================================================
   Contact / forms
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: start;
}

.contact-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 30px;
  margin-bottom: 20px;
}

.contact-card h3 {
  font-size: 1.05rem;
  margin-bottom: 10px;
}

.contact-card p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.qr-placeholder {
  width: 132px;
  height: 132px;
  border-radius: var(--radius-md);
  background: repeating-linear-gradient(
      45deg,
      var(--color-surface-alt),
      var(--color-surface-alt) 10px,
      #e4e9f0 10px,
      #e4e9f0 20px
    );
  border: 1px dashed var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 0.72rem;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.contact-detail-row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 18px;
}

.contact-detail-row:last-child {
  margin-bottom: 0;
}

.contact-detail-row dt {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  width: 96px;
  flex-shrink: 0;
}

.contact-detail-row dd {
  margin: 0;
}

.form-field {
  margin-bottom: 18px;
}

.form-field label {
  display: block;
  font-weight: 700;
  font-size: 0.88rem;
  margin-bottom: 6px;
}

.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  min-height: 44px;
}

.form-field textarea {
  min-height: 120px;
  resize: vertical;
}

.form-note {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: -6px;
  margin-bottom: 18px;
}

/* ============================================================
   Warning / placeholder notice
   ============================================================ */
.placeholder-notice {
  background: var(--color-warn-bg);
  border: 1px solid var(--color-warn-border);
  color: var(--color-warn-text);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  font-size: 0.85rem;
  margin-bottom: 20px;
}

/* ============================================================
   CTA band
   ============================================================ */
.cta-band {
  background: linear-gradient(120deg, var(--color-bg-dark) 0%, var(--color-accent-dark) 120%);
  color: var(--color-text-on-dark);
  text-align: center;
  padding: 64px 0;
}

.cta-band h2 {
  color: #fff;
  margin-bottom: 14px;
}

.cta-band p {
  color: var(--color-text-on-dark-muted);
  max-width: 520px;
  margin: 0 auto 30px;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  background: var(--color-bg-dark);
  color: var(--color-text-on-dark-muted);
  padding: 56px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-grid h4 {
  color: var(--color-text-on-dark);
  font-size: 0.92rem;
  margin-bottom: 16px;
}

.footer-grid ul li {
  margin-bottom: 10px;
  font-size: 0.9rem;
}

.footer-grid ul li a {
  color: var(--color-text-on-dark-muted);
}

.footer-grid ul li a:hover {
  color: #fff;
}

.footer-brand p {
  color: var(--color-text-on-dark-muted);
  font-size: 0.88rem;
  max-width: 320px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 22px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.78rem;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 979.98px) {
  .grid--3,
  .grid--4,
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .flow-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .pricing-card--featured {
    transform: none;
  }
}

@media (max-width: 599.98px) {
  .grid--3,
  .grid--4,
  .grid--2,
  .pricing-grid,
  .flow-list,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 52px 0;
  }

  .subscription-banner {
    flex-direction: column;
    align-items: flex-start;
  }

  .subscription-price {
    text-align: left;
  }

  .promo-banner {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Nav breakpoint: matched pair, no gap between queries */
@media (max-width: 1179.98px) {
  .nav-toggle {
    display: inline-flex;
  }

  .main-nav {
    position: fixed;
    top: 76px;
    right: 0;
    height: calc(100vh - 76px);
    width: min(320px, 86vw);
    background: var(--color-bg-dark-alt);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 28px 24px;
    transform: translateX(100%);
    transition: transform 0.2s ease;
    box-shadow: -12px 0 30px rgba(0, 0, 0, 0.25);
  }

  .main-nav.is-open {
    transform: translateX(0);
  }

  .nav-links {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    margin-bottom: 24px;
  }

  .nav-links a {
    padding: 12px 4px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .nav-links a[aria-current="page"] {
    border-bottom: 1px solid var(--color-accent-light);
  }

  .header-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .header-cta .btn {
    width: 100%;
  }
}

@media (min-width: 1180px) {
  .nav-toggle {
    display: none;
  }

  .main-nav {
    position: static;
    transform: none;
    height: auto;
    width: auto;
    background: transparent;
    box-shadow: none;
    flex-direction: row;
    padding: 0;
  }
}

/* Narrow-phone header: drop brand subtitle, keep icon-only toggle label */
@media (max-width: 420px) {
  .brand-sub {
    display: none;
  }

  .header-inner {
    height: 68px;
  }

  .main-nav {
    top: 68px;
    height: calc(100vh - 68px);
  }
}