/* ========================================
   ワーホリコンシェルジュ LP — style.css
   ======================================== */

/* --- Reset & Base --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans JP', 'Inter', sans-serif;
  color: #1a2e45;
  background: #ffffff;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

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

/* ========== Header ========== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 122, 204, 0.1);
}

.header__inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1rem;
  color: #1a2e45;
  white-space: nowrap;
}

.header__logo-icon {
  font-size: 1.3rem;
  line-height: 1;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

.header__login-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: #4a6a8a;
  transition: color 0.2s;
}

.header__login-link:hover {
  color: #007acc;
}

.header__cta-btn {
  padding: 8px 20px;
  border-radius: 24px;
  background: linear-gradient(135deg, #007acc, #00b4d8);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  transition: opacity 0.2s;
}

.header__cta-btn:hover {
  opacity: 0.85;
}

/* ========== Hero ========== */
.hero {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  min-height: 100dvh;
  background: linear-gradient(170deg, #e0f4ff 0%, #ffffff 40%, #e8f9ff 70%, #f0faff 100%);
  text-align: center;
  padding: 100px 20px 80px;
}

.hero__inner {
  position: relative;
  z-index: 1;
}

.hero__icon {
  font-size: 80px;
  line-height: 1;
  margin-bottom: 36px;
  display: inline-block;
  animation: float 4s ease-in-out infinite;
  filter: drop-shadow(0 4px 24px rgba(0, 122, 204, 0.2));
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(-5deg); }
  50% { transform: translateY(-12px) rotate(5deg); }
}

.hero__title {
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1.5;
  margin-bottom: 24px;
  color: #1a2e45;
  letter-spacing: 0.02em;
}

.hero__subtitle {
  font-size: 1.1rem;
  color: #5a7a9a;
  margin-bottom: 48px;
  line-height: 1.9;
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero__btn {
  display: inline-block;
  padding: 15px 44px;
  border-radius: 32px;
  font-size: 1rem;
  font-weight: 700;
  transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
}

.hero__btn--primary {
  background: linear-gradient(135deg, #007acc, #00b4d8);
  color: #fff;
  box-shadow: 0 4px 20px rgba(0, 122, 204, 0.35);
}

.hero__btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(0, 122, 204, 0.5);
}

.hero__btn--secondary {
  background: transparent;
  color: #007acc;
  border: 2px solid #007acc;
  padding: 13px 40px;
}

.hero__btn--secondary:hover {
  background: rgba(0, 122, 204, 0.06);
  transform: translateY(-2px);
}

/* Scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 48px;
  overflow: hidden;
  opacity: 0.4;
}

.hero__scroll-line {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 100%;
  background: linear-gradient(to bottom, transparent, #007acc);
  animation: scroll-hint 2.2s ease-in-out infinite;
}

@keyframes scroll-hint {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100%); }
}

/* ========================================
   Sections (shared)
   ======================================== */
.section {
  padding: 120px 20px;
}

.section--white {
  background: #ffffff;
}

.section--gradient {
  background: linear-gradient(170deg, #e8f7ff 0%, #f0faff 60%, #e0f4ff 100%);
}

.section__inner {
  max-width: 960px;
  margin: 0 auto;
}

.section__eyebrow {
  text-align: center;
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  color: #007acc;
  margin-bottom: 16px;
}

.section__title {
  text-align: center;
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.5;
  color: #1a2e45;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.section__lead {
  text-align: center;
  font-size: 1.05rem;
  color: #5a7a9a;
  margin-bottom: 64px;
  line-height: 1.9;
}

.sp-only {
  display: none;
}

/* ========================================
   Feature Cards
   ======================================== */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  padding: 40px 28px 36px;
  border-radius: 24px;
  background: #ffffff;
  border: 1px solid rgba(0, 122, 204, 0.1);
  box-shadow: 0 8px 32px rgba(0, 122, 204, 0.08);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0, 122, 204, 0.14);
}

.feature-card__icon {
  font-size: 2.8rem;
  margin-bottom: 22px;
  line-height: 1;
}

.feature-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #1a2e45;
  margin-bottom: 16px;
  line-height: 1.5;
}

.feature-card__text {
  font-size: 0.95rem;
  color: #4a6a8a;
  line-height: 1.9;
  text-align: left;
}

/* ========================================
   Steps
   ======================================== */
.steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.step {
  position: relative;
  padding: 40px 28px 36px;
  border-radius: 24px;
  background: #ffffff;
  border: 1px solid rgba(0, 122, 204, 0.1);
  box-shadow: 0 8px 32px rgba(0, 122, 204, 0.08);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.step:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0, 122, 204, 0.14);
}

.step__num {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  background: linear-gradient(135deg, #007acc, #00b4d8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 14px;
}

.step__icon {
  font-size: 2.4rem;
  margin-bottom: 14px;
  line-height: 1;
}

.step__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #1a2e45;
  margin-bottom: 14px;
  line-height: 1.55;
}

.step__text {
  font-size: 0.92rem;
  color: #4a6a8a;
  line-height: 1.85;
  text-align: left;
}

/* PC：矢印で連結 */
.step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -18px;
  width: 12px;
  height: 12px;
  border-top: 2px solid rgba(0, 122, 204, 0.4);
  border-right: 2px solid rgba(0, 122, 204, 0.4);
  transform: translateY(-50%) rotate(45deg);
  z-index: 2;
}

/* ========================================
   Bottom CTA
   ======================================== */
.cta-section {
  padding: 120px 20px;
  background: linear-gradient(170deg, #e0f4ff 0%, #ffffff 50%, #e8f9ff 100%);
  text-align: center;
}

.cta-section__inner {
  max-width: 720px;
  margin: 0 auto;
}

.cta-section__title {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.6;
  color: #1a2e45;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.cta-section__text {
  font-size: 1.05rem;
  color: #5a7a9a;
  margin-bottom: 40px;
}

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

/* ========================================
   Footer
   ======================================== */
.footer {
  padding: 32px 20px;
  background: #ffffff;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.footer__inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  color: #1a2e45;
}

.footer__copy {
  font-size: 0.85rem;
  color: #7a9aba;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 768px) {
  .hero__icon {
    font-size: 60px;
  }

  .hero__title {
    font-size: 1.9rem;
  }

  .hero__subtitle {
    font-size: 1rem;
  }

  .section,
  .cta-section {
    padding: 80px 20px;
  }

  .section__title,
  .cta-section__title {
    font-size: 1.6rem;
  }

  .section__lead {
    font-size: 0.98rem;
    margin-bottom: 44px;
  }

  .features,
  .steps {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .feature-card,
  .step {
    padding: 32px 24px;
  }

  .step:not(:last-child)::after {
    top: auto;
    right: 50%;
    bottom: -16px;
    transform: translateX(50%) rotate(135deg);
  }

  .sp-only {
    display: inline;
  }
}

@media (max-width: 480px) {
  .header__logo-text {
    font-size: 0.85rem;
  }

  .hero__title {
    font-size: 1.55rem;
  }

  .hero__btn {
    padding: 13px 32px;
    font-size: 0.95rem;
  }

  .hero__btn--secondary {
    padding: 11px 28px;
  }

  .section__title,
  .cta-section__title {
    font-size: 1.4rem;
  }
}