:root {
  --bg-color: #FFD700;
  --text-color: #000000;
  --btn-color: #FF1493;
  --border-width: 4px;
  --shadow-offset: 8px;
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a {
  color: var(--text-color);
  text-decoration: none;
}
img {
  max-width: 100%;
  display: block;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
h1, h2, h3 {
  font-weight: 900;
  line-height: 1.1;
  text-align: left;
  margin-bottom: 20px;
}
h1 {
  font-size: 2.5rem;
  letter-spacing: -1px;
}
h2 {
  font-size: 2rem;
  letter-spacing: -0.5px;
  border-bottom: var(--border-width) solid var(--text-color);
  padding-bottom: 10px;
  margin-bottom: 30px;
  display: inline-block;
}
h3 {
  font-size: 1.25rem;
  margin-bottom: 10px;
}
p {
  font-size: 1rem;
  margin-bottom: 15px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--btn-color);
  color: var(--text-color);
  font-weight: 900;
  font-size: 1.1rem;
  padding: 12px 24px;
  border: var(--border-width) solid var(--text-color);
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0px var(--text-color);
  transition: transform 0.1s, box-shadow 0.1s;
  cursor: pointer;
  text-transform: uppercase;
}
.btn:active {
  transform: translate(var(--shadow-offset), var(--shadow-offset));
  box-shadow: 0px 0px 0px var(--text-color);
}
.btn-group {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 30px;
}
header {
  padding: 20px 0;
  border-bottom: var(--border-width) solid var(--text-color);
  position: sticky;
  top: 0;
  background-color: var(--bg-color);
  z-index: 100;
}
.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo-area {
  display: flex;
  align-items: center;
  gap: 15px;
  font-weight: 900;
  font-size: 1.5rem;
}
.logo-area img {
  height: 36px;
  width: auto;
}
nav {
  display: none;
}
nav ul {
  list-style: none;
  display: flex;
  gap: 20px;
  font-weight: bold;
}
nav a:hover {
  text-decoration: underline;
  text-decoration-thickness: 3px;
}
main {
  padding: 40px 0;
}
section {
  margin-bottom: 60px;
}
.hero {
  display: flex;
  flex-direction: column;
  gap: 40px;
  margin-top: 20px;
}
.hero-text {
  flex: 1;
}
.hero-image {
  flex: 1;
  border: var(--border-width) solid var(--text-color);
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0px var(--text-color);
}
.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}
.grid-card {
  border: var(--border-width) solid var(--text-color);
  padding: 20px;
  background-color: var(--bg-color);
}
.grid-card img {
  border: 2px solid var(--text-color);
  margin-bottom: 15px;
  aspect-ratio: 16/9;
  object-fit: cover;
}
.list-item {
  margin-bottom: 20px;
  padding-left: 20px;
  border-left: 4px solid var(--text-color);
}
.rank-list {
  list-style: none;
  counter-reset: rank;
}
.rank-list li {
  counter-increment: rank;
  margin-bottom: 15px;
  font-weight: bold;
  display: flex;
  align-items: center;
  gap: 15px;
}
.rank-list li::before {
  content: counter(rank);
  background-color: var(--text-color);
  color: var(--bg-color);
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}
.scroll-text {
  white-space: nowrap;
  overflow: hidden;
  border-top: var(--border-width) solid var(--text-color);
  border-bottom: var(--border-width) solid var(--text-color);
  padding: 10px 0;
  margin-bottom: 40px;
  font-weight: bold;
}
.scroll-text span {
  display: inline-block;
  padding-left: 100%;
  animation: marquee 20s linear infinite;
}
@keyframes marquee {
  0% { transform: translate(0, 0); }
  100% { transform: translate(-100%, 0); }
}
.faq-item {
  border-bottom: 2px solid var(--text-color);
  padding: 15px 0;
}
.faq-item summary {
  font-weight: bold;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: '+';
  font-size: 1.5rem;
  line-height: 1;
}
.faq-item[open] summary::after {
  content: '-';
}
.faq-content {
  margin-top: 10px;
}
footer {
  border-top: var(--border-width) solid var(--text-color);
  padding: 30px 0;
  font-size: 0.85rem;
  color: #333;
}
footer a {
  text-decoration: underline;
}
.modal {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: 999;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-content {
  background: var(--bg-color);
  border: var(--border-width) solid var(--text-color);
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0px var(--text-color);
  padding: 30px;
  max-width: 400px;
  width: 100%;
  text-align: center;
}
.modal-text {
  font-weight: bold;
  margin-bottom: 20px;
}
.copy-input {
  width: 100%;
  padding: 10px;
  border: 2px solid var(--text-color);
  margin-bottom: 20px;
  font-size: 1rem;
  text-align: center;
  font-family: inherit;
}
.modal-btn {
  width: 100%;
}
@media (min-width: 768px) {
  h1 { font-size: 4rem; }
  h2 { font-size: 2.5rem; }
  .grid-2 { grid-template-columns: 1fr 1fr; }
  .hero { flex-direction: row; align-items: center; }
  nav { display: block; }
  .header-inner { padding: 0 20px; }
}
@media (min-width: 1024px) {
  h1 { font-size: 5rem; }
  .grid-2 { grid-template-columns: 1fr 1fr 1fr; }
}