:root {
  --color-background: #f5f7fb;
  --color-background-subtle: #edf1f8;
  --color-surface: #ffffff;
  --color-surface-strong: #0f172a;
  --color-text: #111827;
  --color-muted: #475569;
  --color-border: rgba(15, 23, 42, 0.12);
  --color-accent: #2563eb;
  --color-accent-strong: #1d4ed8;
  --color-accent-soft: rgba(37, 99, 235, 0.1);
  --shadow-soft: 0 22px 45px rgba(15, 23, 42, 0.12);
  --font-family: 'Noto Sans JP', 'Hiragino Sans', 'Yu Gothic', sans-serif;
  --section-spacing: clamp(72px, 12vw, 120px);
  font-size: 16px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-family);
  background: var(--color-background);
  color: var(--color-text);
  line-height: 1.7;
  letter-spacing: 0.02em;
}

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

a:hover,
a:focus-visible {
  text-decoration: underline;
}

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

.container {
  margin: 0 auto;
  padding: 0 28px;
  max-width: 1120px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  min-height: 72px;
}

.logo {
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 1.05rem;
}

.logo span {
  color: var(--color-accent);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  font-weight: 500;
  font-size: 0.95rem;
}

.main-nav a {
  position: relative;
  padding: 4px 0;
}

.main-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms ease;
}

.main-nav a:hover::after,
.main-nav a:focus-visible::after {
  transform: scaleX(1);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease, color 160ms ease;
}

.button--primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 10px 24px rgba(29, 78, 216, 0.24);
}

.button--primary:hover,
.button--primary:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 16px 32px rgba(29, 78, 216, 0.28);
}

.button--ghost {
  background: transparent;
  border-color: rgba(15, 23, 42, 0.16);
  color: var(--color-text);
}

.button--ghost:hover,
.button--ghost:focus-visible {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.button--invert {
  background: #fff;
  color: var(--color-accent);
}

.button--invert:hover,
.button--invert:focus-visible {
  background: rgba(255, 255, 255, 0.85);
}

.hero {
  padding: calc(var(--section-spacing) + 36px) 0 var(--section-spacing);
  background: linear-gradient(140deg, rgba(13, 71, 161, 0.12), rgba(29, 78, 216, 0.05));
}

.hero__layout {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 64px;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.hero__content h1 {
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  line-height: 1.18;
  margin: 18px 0 20px;
  font-weight: 600;
}

.hero__content h1 span {
  display: block;
  color: var(--color-accent);
}

.lead {
  font-size: 1.05rem;
  color: var(--color-muted);
  margin-bottom: 24px;
  max-width: 560px;
}

.hero__bullets {
  padding-left: 20px;
  margin: 0 0 28px;
  color: var(--color-muted);
}

.hero__bullets li + li {
  margin-top: 10px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 32px;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 18px;
  margin: 0;
  padding: 0;
}

.hero__stats dt {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-muted);
}

.hero__stats dd {
  margin: 6px 0 0;
  font-size: 1.1rem;
  font-weight: 600;
}

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

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

.section--split {
  background: linear-gradient(125deg, rgba(255, 255, 255, 0.95), rgba(237, 241, 248, 0.9));
}

.section__heading {
  max-width: 640px;
  margin-bottom: 48px;
}

.section__heading h2 {
  font-size: clamp(2rem, 3vw, 2.6rem);
  margin: 12px 0 12px;
}

.heading-nowrap {
  white-space: nowrap;
}

.section__heading p {
  color: var(--color-muted);
  margin: 0;
}

.problem-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.problem-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 28px;
  display: grid;
  gap: 12px;
  min-height: 180px;
  box-shadow: 0 12px 26px rgba(15, 23, 42, 0.08);
}

.problem-card h3 {
  margin: 0;
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  gap: 12px;
}

.problem-card h3 span {
  font-size: 0.8rem;
  letter-spacing: 0.24em;
  color: var(--color-accent);
}

.problem-card p {
  margin: 0;
  color: var(--color-muted);
}

.service-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  align-items: stretch;
}

.service-feature {
  background: var(--color-surface);
  border-radius: 22px;
  border: 1px solid var(--color-border);
  box-shadow: 0 22px 45px rgba(15, 23, 42, 0.08);
  padding: 36px;
  display: grid;
  gap: 24px;
  color: var(--color-text);
}

.service-feature__header h3 {
  margin: 0 0 8px;
  font-size: 1.4rem;
}

.service-feature__header p {
  margin: 0;
  color: var(--color-muted);
}

.service-feature__note {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.service-feature__list {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 8px;
  color: var(--color-muted);
  font-size: 0.95rem;
  list-style-position: inside;
}

.service-feature__metrics {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.service-feature__metrics li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid rgba(29, 78, 216, 0.18);
}

.service-feature__metrics span {
  font-size: 0.9rem;
  color: var(--color-muted);
}

.service-feature__metrics strong {
  font-size: 1.4rem;
  color: var(--color-accent);
}

.value__layout {
  display: grid;
  grid-template-columns: minmax(240px, 320px) 1fr;
  gap: 56px;
}

.value__highlight {
  background: var(--color-surface);
  border-radius: 22px;
  padding: 36px;
  border: 1px solid var(--color-border);
  box-shadow: 0 18px 34px rgba(15, 23, 42, 0.08);
}

.value__highlight h2 {
  margin: 12px 0;
  font-size: clamp(2rem, 3vw, 2.4rem);
}

.value__highlight p {
  margin: 0;
  color: var(--color-muted);
}

.value-list {
  display: grid;
  gap: 24px;
}

.value-list article {
  background: rgba(15, 23, 42, 0.04);
  border-radius: 18px;
  padding: 28px;
  border: 1px solid rgba(15, 23, 42, 0.1);
  display: grid;
  gap: 12px;
}

.value-list h3 {
  margin: 0;
  font-size: 1.2rem;
}

.value-list p {
  margin: 0;
  color: var(--color-muted);
}

.cta {
  background: var(--color-surface-strong);
  color: #fff;
}

.cta__inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  align-items: center;
  gap: 40px;
}

.cta__content h2 {
  margin: 12px 0;
  font-size: clamp(2rem, 3vw, 2.4rem);
}

.cta__content p {
  margin: 0;
  color: rgba(248, 250, 252, 0.8);
}

.cta__actions {
  display: grid;
  gap: 16px;
  justify-items: start;
}

.cta__note {
  font-size: 0.85rem;
  color: rgba(248, 250, 252, 0.7);
  margin: 0;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  align-items: stretch;
}

.team-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 18px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  height: 100%;
  box-shadow: 0 16px 32px rgba(15, 23, 42, 0.08);
}

.team-card__avatar {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(29, 78, 216, 0.2), rgba(12, 74, 110, 0.2));
  display: grid;
  place-items: center;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-accent);
  overflow: hidden;
}

.team-card__avatar--image {
  background: none;
}

.team-card__avatar--image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.team-card__body {
  display: flex;
  flex-direction: column;
  gap: 20px;
  flex: 1;
}

.team-card__meta {
  display: grid;
  gap: 6px;
}

.team-card__meta h3 {
  margin: 0;
}

.team-card__meta .role {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-muted);
}

.team-card__bio {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.team-card__bio h4 {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
}

.team-card__bio ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
}

.team-card__bio li {
  font-size: 0.9rem;
  color: var(--color-muted);
}

.form-page {
  padding: var(--section-spacing) 0;
  background: linear-gradient(145deg, rgba(29, 78, 216, 0.08), rgba(255, 255, 255, 0.8));
  display: flex;
  align-items: center;
}

.form-card {
  background: var(--color-surface);
  border-radius: 24px;
  border: 1px solid var(--color-border);
  box-shadow: 0 26px 54px rgba(15, 23, 42, 0.12);
  padding: clamp(32px, 6vw, 48px);
  max-width: 640px;
  margin: 0 auto;
  display: grid;
  gap: 24px;
}

.form-card h1 {
  margin: 0;
  font-size: clamp(2rem, 3vw, 2.4rem);
}

.form-card p {
  margin: 0;
  color: var(--color-muted);
}

.form-card form {
  display: grid;
  gap: 20px;
}

label {
  display: grid;
  gap: 8px;
  font-weight: 500;
}

input,
textarea {
  font: inherit;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid rgba(15, 23, 42, 0.2);
  background: rgba(255, 255, 255, 0.96);
  transition: border-color 140ms ease, box-shadow 140ms ease;
}

input:focus-visible,
textarea:focus-visible {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(29, 78, 216, 0.12);
}

textarea {
  min-height: 160px;
  resize: vertical;
}

.form-note {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin: 0;
}

.site-footer {
  background: var(--color-surface-strong);
  color: rgba(248, 250, 252, 0.85);
  padding: 40px 0;
}

.footer__inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
  align-items: start;
}

.site-footer .logo span {
  color: #60a5fa;
}

.footer__brand p {
  margin: 12px 0 0;
  color: rgba(248, 250, 252, 0.7);
}

.footer__links {
  display: grid;
  gap: 10px;
}

.footer__links a:hover,
.footer__links a:focus-visible {
  color: #fff;
}

.footer__legal {
  display: grid;
  gap: 8px;
}

.footer__legal a {
  color: #93c5fd;
}

.footer__legal p {
  margin: 0;
  color: rgba(248, 250, 252, 0.6);
}
.service-feature__metrics strong {
  font-size: 1.4rem;
  color: var(--color-accent);
  white-space: nowrap;
}

@media (max-width: 900px) {
  .main-nav {
    display: none;
  }

  .service-feature__header h3 {
    white-space: normal;
  }

  .hero__layout {
    gap: 48px;
  }

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

  .heading-nowrap {
    white-space: normal;
  }

  .service-features {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 20px;
  }

  .service-features {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .service-feature {
    padding: 28px;
  }

  .team-card {
    padding: 24px;
    gap: 16px;
  }
}

/* Case Studies Section */
.case-study-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

.case-study-card {
  background: var(--color-surface);
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.case-study-card__header {
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.case-study-card__header h3 {
  margin: 0;
  font-size: 24px;
  font-weight: 600;
}

.case-study-card__location {
  display: inline-block;
  margin-top: 8px;
  padding: 4px 12px;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  border-radius: 6px;
  font-size: 14px;
}

.case-study-card__quote {
  font-style: italic;
  line-height: 1.8;
  margin: 0 0 16px;
}

.case-study-card__author {
  text-align: right;
  color: var(--color-muted);
  font-size: 14px;
}

.case-study-card__results {
  display: flex;
  gap: 24px;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.result-item {
  flex: 1;
  text-align: center;
}

.result-label {
  display: block;
  font-size: 12px;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.result-value {
  display: block;
  margin-top: 8px;
  font-size: 24px;
  font-weight: 600;
  color: var(--color-accent);
}

.partner-section {
  margin-top: 64px;
  padding-top: 48px;
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.partner-section h3 {
  margin-bottom: 32px;
  font-size: 20px;
  font-weight: 600;
}

.partner-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 48px;
  flex-wrap: wrap;
}

.partner-logo {
  padding: 20px;
  background: var(--color-surface);
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.partner-logo span {
  display: block;
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.partner-logo p {
  margin: 0;
  font-size: 14px;
  color: var(--color-muted);
}

/* Coaches Section */
.coach-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.coach-card {
  background: var(--color-surface);
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
  transition: transform 0.2s, box-shadow 0.2s;
}

.coach-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.coach-card__header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.coach-card__avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-strong));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 18px;
  overflow: hidden;
}

.coach-card__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.coach-card__header h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
}

.coach-card__university {
  margin: 4px 0 0;
  font-size: 14px;
  color: var(--color-accent);
}

.coach-card__body p {
  margin: 8px 0;
  font-size: 14px;
  color: var(--color-muted);
}

.coach-card__from {
  margin-bottom: 4px !important;
}

.coach-card__subjects {
  margin-bottom: 12px !important;
}

.coach-card__message {
  margin-top: 12px !important;
  font-style: italic;
  color: var(--color-text) !important;
}

.coach-card--more {
  background: linear-gradient(135deg, var(--color-accent-soft), rgba(37, 99, 235, 0.05));
  border: 2px dashed var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 200px;
}

.coach-card__large {
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 8px;
}

.coach-card__universities {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-accent);
  margin: 8px 0;
}

.coach-card__description {
  font-size: 16px;
  color: var(--color-muted);
  margin: 8px 0 0;
}

/* Pricing Section */
.pricing-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  margin: 48px 0;
}

.pricing-card {
  background: var(--color-surface);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.pricing-card--featured {
  border: 2px solid var(--color-accent);
  transform: scale(1.05);
}

.pricing-card__header {
  padding: 32px;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.pricing-card__header h3 {
  margin: 0 0 16px;
  font-size: 24px;
  font-weight: 600;
}

.pricing-card__price {
  font-size: 48px;
  font-weight: 700;
  color: var(--color-accent);
  margin: 0;
}

.pricing-card__period {
  font-size: 14px;
  color: var(--color-muted);
  margin-top: 8px;
}

.pricing-card__body {
  padding: 32px;
}

.pricing-card__features {
  list-style: none;
  padding: 0;
  margin: 0 0 32px;
}

.pricing-card__features li {
  padding: 12px 0 12px 32px;
  position: relative;
  color: var(--color-muted);
}

.pricing-card__features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 600;
}

.button--full {
  width: 100%;
  justify-content: center;
}

/* Process Timeline */
.process-section {
  margin-top: 64px;
  padding-top: 48px;
  border-top: 1px solid var(--color-border);
}

.process-section h3 {
  text-align: center;
  font-size: 24px;
  margin-bottom: 48px;
}

.process-timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  position: relative;
}

.process-step {
  text-align: center;
  position: relative;
}

.process-step::after {
  content: "";
  position: absolute;
  top: 24px;
  left: calc(50% + 32px);
  width: calc(100% - 64px);
  height: 2px;
  background: var(--color-border);
}

.process-step:last-child::after {
  display: none;
}

.process-step__number {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--color-accent);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 600;
  position: relative;
  z-index: 1;
}

.process-step__content h4 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 600;
}

.process-step__content p {
  margin: 0;
  font-size: 14px;
  color: var(--color-muted);
}

@media (max-width: 768px) {
  .case-study-grid,
  .coach-grid,
  .pricing-content {
    grid-template-columns: 1fr;
  }
  
  .pricing-card--featured {
    transform: none;
  }
  
  .process-timeline {
    grid-template-columns: 1fr;
  }
  
  .process-step::after {
    display: none;
  }
}

/* Form Styles */
.form-section {
  margin-bottom: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--color-border);
}

.form-section:last-of-type {
  border-bottom: none;
}

.form-section h2 {
  font-size: 20px;
  margin-bottom: 24px;
  color: var(--color-accent);
}

.required {
  color: #ef4444;
  font-weight: 600;
}

select {
  width: 100%;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid rgba(15, 23, 42, 0.2);
  background: rgba(255, 255, 255, 0.96);
  font: inherit;
  cursor: pointer;
}

.checkbox-group,
.radio-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 12px;
}

.checkbox-label,
.radio-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 15px;
}

.checkbox-label input[type="checkbox"],
.radio-label input[type="radio"] {
  width: auto;
  margin: 0;
}

.form-hint {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  color: var(--color-muted);
}

.form-actions {
  text-align: center;
  padding-top: 32px;
}

.button--large {
  padding: 16px 48px;
  font-size: 18px;
}

.contact-info {
  background: var(--color-background);
  padding: 64px 0;
  margin-top: 64px;
}

.contact-info h2 {
  text-align: center;
  font-size: 28px;
  margin-bottom: 48px;
}

.contact-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 32px;
}

.contact-item {
  text-align: center;
}

.contact-item h3 {
  font-size: 18px;
  margin-bottom: 12px;
  color: var(--color-accent);
}

.contact-item p {
  margin: 4px 0;
  color: var(--color-muted);
}

.contact-phone {
  font-size: 24px;
  font-weight: 600;
  color: var(--color-text) !important;
  margin: 8px 0 !important;
}

.contact-hours {
  font-size: 14px;
}