.page-index {
  background: #fff;
  color: #333333;
  font-family: Arial, Helvetica, sans-serif;
  overflow-x: hidden;
}

/* ==== Hero ==== */
.page-index__hero-section {
  padding-top: 0;
  margin-top: 0;
  width: 100%;
  background: #FFFFFF;
}
.page-index__hero-container {
  max-width: 1200px;
  margin: 0 auto;
}
.page-index__hero-link {
  display: block;
  text-decoration: none;
}
.page-index__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  aspect-ratio: 17 / 5;
}

/* ==== Logo Grid ==== */
.page-index__logo-grid-section {
  max-width: 1200px;
  margin: 16px auto 24px;
  padding: 0 16px;
}
.page-index__logo-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px 16px;
  justify-items: center;
}
.page-index__logo-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  width: 100%;
  max-width: 280px;
  text-align: center;
}
.page-index__logo-image {
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: contain;
  display: block;
}
.page-index__logo-cta {
  display: inline-block;
  padding: 10px 22px;
  border-radius: 999px;
  background: #26A9E0;
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(38, 169, 224, 0.35);
  transition: background 0.2s ease, transform 0.1s ease;
}
.page-index__logo-cta:hover {
  background: #1c8dbc;
  transform: scale(1.02);
}
.page-index__logo-item:nth-child(5) {
  grid-column: 2;
}
.page-index__logo-item:nth-child(6) {
  grid-column: 3;
}

/* ==== Guide ==== */
.page-index__guide-section {
  background: #FFFFFF;
}
.page-index__guide-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 16px 16px 48px;
}
.page-index__guide-title {
  text-align: center;
  color: #26A9E0;
  font-weight: 800;
  font-size: 1.75rem;
  margin: 12px 0 12px;
  line-height: 1.3;
  letter-spacing: 0.5px;
  max-width: 100%;
}
.page-index__guide-lead {
  text-align: center;
  font-weight: 500;
  margin: 8px 0 28px;
  color: #333333;
  font-size: 1.05rem;
  line-height: 1.9;
}
.page-index__guide-section h2 {
  color: #26A9E0;
  font-size: 1.55rem;
  font-weight: 700;
  margin: 40px 0 12px;
  padding-bottom: 8px;
  border-bottom: 3px solid #e0f0f8;
  line-height: 1.4;
}
.page-index__guide-section h3 {
  color: #333333;
  font-size: 1.25rem;
  font-weight: 700;
  margin: 24px 0 8px;
  line-height: 1.5;
}
.page-index__guide-section p {
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.9;
  margin: 0 0 18px;
  color: #333333;
}
.page-index__guide-section li {
  font-size: 1rem;
  line-height: 1.9;
  margin-bottom: 8px;
  color: #333333;
}
.page-index__guide-list {
  padding-left: 20px;
}
.page-index__guide-section a {
  color: #26A9E0;
  text-decoration: underline;
}
.page-index__guide-section a:hover {
  text-decoration: none;
}
.page-index__guide-figure {
  margin: 24px auto;
  text-align: center;
  max-width: 800px;
}
.page-index__guide-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  display: block;
  border-radius: 8px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.06);
}
.page-index__guide-figure figcaption {
  font-size: 0.9rem;
  color: #555;
  margin-top: 10px;
  font-style: italic;
}

/* ==== 1024 px ==== */
@media (max-width: 1024px) {
  .page-index__logo-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-index__logo-item:nth-child(5),
  .page-index__logo-item:nth-child(6) {
    grid-column: auto;
  }
  .page-index__logo-item:nth-child(4) {
    grid-column: 1 / 2; /* fallback for odd last row in 3-col */
  }
  .page-index__guide-title {
    font-size: 1.6rem;
  }
  .page-index__guide-inner {
    padding: 16px 24px 40px;
  }
}

/* ==== 768 px ==== */
@media (max-width: 768px) {
  .page-index {
    overflow-x: hidden;
  }
  .page-index__hero-section {
    padding-top: 0;
    background: #FFFFFF;
  }
  .page-index__hero-image {
    width: 100%;
    height: auto;
    aspect-ratio: 2 / 1;
  }
  .page-index__logo-grid-section {
    margin: 12px auto 20px;
    padding: 0 12px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }
  .page-index__logo-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px 10px;
    justify-items: stretch;
    padding: 0;
  }
  .page-index__logo-item {
    max-width: 100%;
    width: 100%;
    gap: 10px;
    box-sizing: border-box;
    padding: 0 4px;
  }
  .page-index__logo-image {
    width: 100%;
    height: auto;
    max-width: 100%;
    aspect-ratio: 2 / 1;
    object-fit: contain;
    display: block;
  }
  .page-index__logo-item:nth-child(5),
  .page-index__logo-item:nth-child(6) {
    grid-column: auto;
  }
  .page-index__logo-cta {
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
    font-size: 0.95rem;
    padding: 10px 16px;
    width: 100%;
    text-align: center;
  }
  .page-index__guide-inner {
    padding: 12px 12px 30px;
    max-width: 100%;
    overflow: hidden;
  }
  .page-index__guide-title {
    font-size: 1.35rem;
    line-height: 1.4;
    text-align: center;
  }
  .page-index__guide-sitle,
  .page-index__guide-section h2 {
    font-size: 1.3rem;
    line-height: 1.4;
  }
  .page-index__guide-section h3 {
    font-size: 1.15rem;
    line-height: 1.4;
  }
  .page-index__guide-figure {
    max-width: 100%;
    margin: 16px auto;
    padding: 0;
    width: 100%;
  }
  .page-index__guide-figure img {
    max-width: 100%;
    width: 100%;
    height: auto;
  }
  .page-index__guide-section p,
  .page-index__guide-section li {
    font-size: 1rem;
    line-height: 1.8;
    /* fallback for very small screens */
    max-width: 100%;
    word-wrap: break-word;
  }
  .page-index__guide-section ul {
    padding-left: 20px;
    max-width: 100%;
  }
  /* Mobile: prevent horizontal scroll for any image */
  .page-index img {
    max-width: 100% !important;
    height: auto !important;
  }
  .page-index__guide-figure img {
    max-width: 100% !important;
    width: 100%;
    height: auto !important;
  }
  .page-index__logo-image {
    max-width: 100% !important;
    height: auto !important;
    width: 100%;
  }
  .page-index__hero-image {
    max-width: 100% !important;
    height: auto !important;
  }
}

/* ==== Small phones (max-width:480px) ==== */
@media (max-width: 480px) {
  .page-index__logo-grid {
    gap: 12px 8px;
    grid-template-columns: repeat(2, 1fr);
  }
  .page-index__logo-cta {
    font-size: 0.85rem;
    padding: 8px 4px;
    text-align: center;
    display: block;
    border-radius: 999px;
    width: 100%;
  }
  .page-index__guide-title {
    font-size: 1.2rem;
  }
  .page-index__guide-section h2 {
    font-size: 1.2rem;
  }
  .page-index__guide-section h3 {
    font-size: 1.05rem;
  }
  .page-index__guide-figure {
    margin: 12px auto;
  }
  .page-index__guide-figure figcaption {
    font-size: 0.8rem;
  }
  .page-index__guide-inner {
    padding: 8px 8px 24px;
  }
  .page-index__guide-section p {
    font-size: 0.95rem;
  }
  .page-index__guide-section li {
    font-size: 0.95rem;
  }
  .page-index__logo-item {
    padding: 0;
  }
  .page-index__logo-grid-section {
    padding: 0 8px;
  }
}