/* ===========================
   VISIONPATH CSS Design System
   =========================== */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700;900&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --color-primary: #334a9d;
  --color-primary-dark: #283a7c;
  --color-accent: #900000;
  --color-bg-light: #dce1f4;
  --color-bg-subtle: #d9d9d9;
  --color-text: #1a1a1a;
  --color-text-muted: #7f7f7f;
  --color-white: #ffffff;
  --color-black: #111111;

  --font-jp: 'Noto Sans JP', sans-serif;
  --font-en: 'Inter', sans-serif;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;

  --radius: 4px;
  --radius-lg: 8px;
  --transition: 0.2s ease;

  --container: 1100px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-jp);
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

/* ===========================
   LAYOUT
   =========================== */

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-xl) 0;
}

.section--light {
  background: var(--color-bg-light);
}

.section--subtle {
  background: #f8f9fe;
}

.section-label {
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 900;
  line-height: 1.4;
  color: var(--color-primary-dark);
  margin-bottom: var(--spacing-sm);
}

.section-lead {
  font-size: 1rem;
  color: var(--color-text-muted);
  max-width: 560px;
}

/* ===========================
   HEADER
   =========================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--color-bg-subtle);
  backdrop-filter: blur(8px);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.header__logo img {
  height: 44px;
  width: auto;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.header__nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-primary-dark);
  transition: color var(--transition);
}

.header__nav a:hover,
.header__nav a.active {
  color: var(--color-primary);
}

.header__cta {
  background: var(--color-accent);
  color: var(--color-white) !important;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 700;
  transition: background var(--transition), opacity var(--transition);
}

.header__cta:hover {
  opacity: 0.88;
}

.header__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.header__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary-dark);
  transition: var(--transition);
}

/* ===========================
   BUTTONS
   =========================== */

.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  border-radius: var(--radius);
  font-family: var(--font-jp);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: opacity var(--transition), transform var(--transition);
  text-align: center;
}

.btn:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-white);
}

.btn--outline {
  background: transparent;
  color: var(--color-white);
  border: 2px solid var(--color-white);
}

.btn--outline:hover {
  background: var(--color-white);
  color: var(--color-primary-dark);
  opacity: 1;
}

.btn--lg {
  padding: 1rem 2.5rem;
  font-size: 1.05rem;
}

/* ===========================
   HERO
   =========================== */

.hero {
  background: var(--color-primary-dark);
  padding: calc(68px + var(--spacing-xl)) 0 var(--spacing-xl);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: rgba(51, 74, 157, 0.3);
  pointer-events: none;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
}

.hero__eyebrow {
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-bg-light);
  margin-bottom: var(--spacing-sm);
}

.hero__title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 900;
  line-height: 1.35;
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
}

.hero__title em {
  font-style: normal;
  color: var(--color-bg-light);
}

.hero__sub {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.9;
  margin-bottom: var(--spacing-md);
  max-width: 480px;
}

.hero__actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.hero__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.hero__stat {
  background: rgba(255, 255, 255, 0.06);
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.hero__stat-num {
  font-family: var(--font-en);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1;
}

.hero__stat-num span {
  font-size: 1.2rem;
}

.hero__stat-label {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.5;
}

/* ===========================
   STAT BAND
   =========================== */

.stat-band {
  background: var(--color-primary);
  padding: var(--spacing-md) 0;
}

.stat-band__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
}

.stat-band__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 var(--spacing-lg);
  border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-band__item:last-child {
  border-right: none;
}

.stat-band__num {
  font-family: var(--font-en);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1;
}

.stat-band__label {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 0.25rem;
}

/* ===========================
   PROBLEM SECTION
   =========================== */

.problem__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.problem__card {
  background: var(--color-white);
  border: 1px solid var(--color-bg-subtle);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius);
  padding: var(--spacing-md);
}

.problem__card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 0.5rem;
}

.problem__card-body {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ===========================
   SOLUTION SECTION
   =========================== */

.solution__items {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.solution__item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-bg-subtle);
}

.solution__problem {
  background: #f8f9fe;
  padding: var(--spacing-md);
  border-right: 1px solid var(--color-bg-subtle);
}

.solution__answer {
  background: var(--color-white);
  padding: var(--spacing-md);
}

.solution__tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.6rem;
  border-radius: 2px;
  margin-bottom: 0.5rem;
}

.solution__tag--problem {
  background: var(--color-bg-subtle);
  color: var(--color-text-muted);
}

.solution__tag--answer {
  background: var(--color-bg-light);
  color: var(--color-primary);
}

.solution__text {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--color-text);
  font-weight: 500;
}

/* ===========================
   REASONS
   =========================== */

.reasons__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.reason__card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  border: 1px solid rgba(51, 74, 157, 0.12);
  position: relative;
}

.reason__number {
  font-family: var(--font-en);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-bg-light);
  line-height: 1;
  margin-bottom: var(--spacing-xs);
}

.reason__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 0.5rem;
}

.reason__body {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* ===========================
   PRICING
   =========================== */

.pricing__table {
  width: 100%;
  border-collapse: collapse;
  margin-top: var(--spacing-md);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.pricing__table th,
.pricing__table td {
  padding: 1rem 1.25rem;
  text-align: center;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--color-bg-subtle);
}

.pricing__table thead th {
  background: var(--color-primary-dark);
  color: var(--color-white);
  font-weight: 700;
  font-size: 0.875rem;
}

.pricing__table thead th:first-child {
  text-align: left;
}

.pricing__table td:first-child {
  text-align: left;
  font-weight: 500;
  color: var(--color-primary-dark);
  background: #f8f9fe;
}

.pricing__table tr:last-child td {
  border-bottom: none;
}

.pricing__table .highlight {
  background: rgba(220, 225, 244, 0.3);
}

.pricing__table .highlight td:first-child {
  background: var(--color-bg-light);
  color: var(--color-primary);
  font-weight: 700;
}

.badge-good {
  display: inline-block;
  background: var(--color-primary);
  color: white;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 2px;
}

.badge-bad {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* ===========================
   CASES
   =========================== */

.cases__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.case__card {
  background: var(--color-white);
  border: 1px solid var(--color-bg-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.case__header {
  background: var(--color-primary);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-white);
}

.case__header-sub {
  font-size: 0.75rem;
  opacity: 0.75;
}

.case__header-title {
  font-size: 1rem;
  font-weight: 700;
  margin-top: 0.2rem;
}

.case__body {
  padding: var(--spacing-md);
}

.case__challenge {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--color-bg-subtle);
  margin-bottom: var(--spacing-sm);
}

.case__metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-sm);
}

.case__metric {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.case__metric-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.case__metric-values {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.case__metric-before {
  font-family: var(--font-en);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: line-through;
}

.case__metric-arrow {
  color: var(--color-primary);
  font-size: 0.875rem;
}

.case__metric-after {
  font-family: var(--font-en);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary-dark);
}

/* ===========================
   FLOW
   =========================== */

.flow__steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  margin-top: var(--spacing-md);
  position: relative;
}

.flow__steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: var(--color-bg-subtle);
  z-index: 0;
}

.flow__step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 var(--spacing-xs);
  position: relative;
  z-index: 1;
}

.flow__step-num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-en);
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
  flex-shrink: 0;
}

.flow__step-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 0.35rem;
}

.flow__step-body {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ===========================
   FAQ
   =========================== */

.faq__list {
  margin-top: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--color-bg-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.faq__item {
  border-bottom: 1px solid var(--color-bg-subtle);
}

.faq__item:last-child {
  border-bottom: none;
}

.faq__question {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  cursor: pointer;
  background: var(--color-white);
  transition: background var(--transition);
  list-style: none;
}

.faq__question:hover {
  background: #f8f9fe;
}

.faq__question summary {
  list-style: none;
}

.faq__question::-webkit-details-marker {
  display: none;
}

details[open] .faq__question {
  background: #f8f9fe;
}

.faq__q-text {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.faq__q-text::before {
  content: 'Q.';
  font-family: var(--font-en);
  font-weight: 700;
  color: var(--color-primary);
  flex-shrink: 0;
}

.faq__icon {
  font-size: 1.25rem;
  color: var(--color-primary);
  flex-shrink: 0;
  transition: transform var(--transition);
}

details[open] .faq__icon {
  transform: rotate(45deg);
}

.faq__answer {
  padding: 0 var(--spacing-md) var(--spacing-sm);
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  padding-left: calc(var(--spacing-md) + 2rem);
}

/* ===========================
   CTA BAND
   =========================== */

.cta-band {
  background: var(--color-primary-dark);
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.cta-band__title {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 900;
  color: var(--color-white);
  margin-bottom: var(--spacing-xs);
}

.cta-band__sub {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--spacing-md);
}

.cta-band__actions {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

/* ===========================
   COMPANY TABLE
   =========================== */

.company__table {
  width: 100%;
  border-collapse: collapse;
  margin-top: var(--spacing-md);
}

.company__table th,
.company__table td {
  padding: 1rem 1.25rem;
  font-size: 0.9rem;
  text-align: left;
  border-bottom: 1px solid var(--color-bg-subtle);
  vertical-align: top;
}

.company__table th {
  width: 30%;
  font-weight: 700;
  color: var(--color-primary-dark);
  background: #f8f9fe;
}

.company__table td {
  color: var(--color-text);
}

/* ===========================
   CEO PROFILE
   =========================== */

.profile__card {
  background: var(--color-white);
  border: 1px solid var(--color-bg-subtle);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.profile__name {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--color-primary-dark);
  margin-bottom: 0.25rem;
}

.profile__role {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-sm);
}

.profile__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.profile__list li {
  font-size: 0.9rem;
  color: var(--color-text);
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
}

.profile__list li::before {
  content: '—';
  color: var(--color-primary);
  flex-shrink: 0;
}

/* ===========================
   MISSION
   =========================== */

.mission__card {
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  margin-top: var(--spacing-md);
}

.mission__quote {
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.8;
  margin-bottom: var(--spacing-sm);
}

.mission__sub {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.8;
}

/* ===========================
   CONTACT FORM
   =========================== */

.contact__form {
  background: var(--color-white);
  border: 1px solid var(--color-bg-subtle);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-top: var(--spacing-md);
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.form__group {
  margin-bottom: var(--spacing-md);
}

.form__label {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 0.5rem;
}

.form__required {
  color: var(--color-accent);
  margin-left: 0.25rem;
  font-size: 0.75rem;
}

.form__input,
.form__select,
.form__textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-bg-subtle);
  border-radius: var(--radius);
  font-family: var(--font-jp);
  font-size: 0.95rem;
  color: var(--color-text);
  background: #fafafa;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(51, 74, 157, 0.1);
  background: var(--color-white);
}

.form__textarea {
  min-height: 140px;
  resize: vertical;
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-sm);
}

.form__submit {
  width: 100%;
  padding: 1rem;
  font-size: 1.05rem;
  margin-top: var(--spacing-xs);
}

.form__note {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: var(--spacing-sm);
  text-align: center;
}

/* ===========================
   FOOTER
   =========================== */

.footer {
  background: var(--color-black);
  color: rgba(255, 255, 255, 0.6);
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: var(--spacing-md);
}

.footer__logo img {
  height: 32px;
  filter: brightness(0) invert(1);
  margin-bottom: var(--spacing-sm);
}

.footer__tagline {
  font-size: 0.8rem;
  line-height: 1.7;
}

.footer__heading {
  font-size: 0.8rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.9);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-sm);
}

.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.footer__links a {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.55);
  transition: color var(--transition);
}

.footer__links a:hover {
  color: var(--color-white);
}

.footer__info p {
  font-size: 0.8rem;
  line-height: 1.9;
}

.footer__bottom {
  text-align: center;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.3);
}

/* ===========================
   PAGE HERO (inner pages)
   =========================== */

.page-hero {
  background: var(--color-primary-dark);
  padding: calc(68px + var(--spacing-lg)) 0 var(--spacing-lg);
  position: relative;
  overflow: hidden;
}

.page-hero__eyebrow {
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-bg-light);
  margin-bottom: 0.5rem;
}

.page-hero__title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 900;
  color: var(--color-white);
}

/* ===========================
   RESPONSIVE
   =========================== */

@media (max-width: 900px) {
  .hero__inner {
    grid-template-columns: 1fr;
  }

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

  .flow__steps {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }

  .flow__steps::before {
    display: none;
  }

  .flow__step {
    flex-direction: row;
    text-align: left;
    gap: var(--spacing-sm);
  }

  .flow__step-num {
    margin-bottom: 0;
  }

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

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

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

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

  .solution__problem {
    border-right: none;
    border-bottom: 1px solid var(--color-bg-subtle);
  }

  .stat-band__inner {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .stat-band__item {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding: var(--spacing-sm) 0;
    width: 100%;
    text-align: center;
  }

  .stat-band__item:last-child {
    border-bottom: none;
  }

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

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

  .contact__form {
    padding: var(--spacing-md);
  }
}

@media (max-width: 640px) {
  .header__nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-bg-subtle);
    flex-direction: column;
    padding: var(--spacing-sm);
    gap: 0;
  }

  .header__nav.open {
    display: flex;
  }

  .header__nav a {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-bg-subtle);
    width: 100%;
  }

  .header__nav a:last-child {
    border-bottom: none;
  }

  .header__hamburger {
    display: flex;
  }

  .header__cta-desktop {
    display: none;
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__stat-num {
    font-size: 2rem;
  }

  .pricing__table {
    font-size: 0.8rem;
  }

  .pricing__table th,
  .pricing__table td {
    padding: 0.75rem 0.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
  }
}

/* =====================
   PARTICLE CANVAS
   ===================== */
#particle-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

/* サービス一覧カード：モバイルで縦並び */
@media (max-width: 768px) {
  .services-lineup-grid {
    grid-template-columns: 1fr !important;
  }
}