body { font-family: sans-serif; background: #f5f5f5; color: #333; padding: 20px; margin: 0; }
.container { max-width: 1200px; margin: 0 auto; background: #fff; padding: 20px; border-radius: 8px; box-shadow: 0 2px 5px rgba(0,0,0,0.1); }
header { background-color: #2c3e50; color: #fff; padding: 1.0rem 1rem; text-align: center; }
header h1 { margin: 0; font-size: clamp(16px, 8.00px + 1.56vw, 24px); }
header p { margin: 0.5rem 0 0; font-size: 0.95rem; opacity: 0.9; }
.comment-box { background: #eef9ff; border-left: 4px solid #0088cc; padding: 12px; margin: 15px 0; font-size: 0.95rem; line-height: 1.6; }
.nav-buttons { display: flex; flex-direction: column; gap: 6px; margin-bottom: 25px; }
.nav-buttons a { text-decoration: none; color: #333; background: #eee; padding: 10px 14px; border-radius: 6px; font-size: 0.9rem; font-weight: bold; border: 1px solid #ddd; transition: all 0.2s; text-align: center; }
.nav-buttons a.active { background: #0088cc; color: #fff; border-color: #0077b3; }
.nav-buttons a:hover:not(.active) { background: #e0e0e0; }
.category-title { font-size: 1.2rem; border-bottom: 2px solid #0088cc; padding-bottom: 5px; color: #0088cc; margin-top: 20px; }
.emoji-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 10px; margin: 20px 0; text-align: center; }
.emoji-item { background: #f9f9f9; padding: 8px; border-radius: 6px; border: 1px solid #eee; }
.emoji-char { font-size: 2rem; line-height: 1.2; display: block; margin-bottom: 4px; }
.emoji-hex { font-size: 0.75rem; color: #0088cc; font-family: monospace; display: block; word-break: break-all; margin-bottom: 2px; }
.emoji-no { font-size: 0.75rem; color: #888; display: block; }
.footer-btns { display: flex; justify-content: space-between; margin-top: 30px; border-top: 1px solid #ddd; padding-top: 20px; gap: 10px; }
.btn { text-decoration: none; padding: 12px 24px; border-radius: 4px; font-size: 0.95rem; font-weight: bold; cursor: pointer; display: inline-block; text-align: center; }
.btn:hover { background: #b3710e ; }
.btn-back { background: #666; color: #fff; }
.btn-reset { background: #ff9900; color: #fff; border: none; }
.nav-buttons a { text-decoration: none; color: #333; background: #eee; padding: 10px 14px; border-radius: 6px; font-size: 0.9rem; font-weight: bold; border: 1px solid #ddd; transition: all 0.2s; display: flex; align-items: center; text-align: left; justify-content: flex-start; }
html { scroll-behavior: smooth; }
.pagetop { display: flex; align-items: center; justify-content: center; position: fixed; bottom: 20px; right: 20px; width: 50px; height: 50px; background-color: #333; color: #fff; text-decoration: none; border-radius: 50%; font-size: 20px; opacity: 0; visibility: hidden; transition: opacity 0.3s, visibility 0.3s; z-index: 99; }
.pagetop.is-show { opacity: 1; visibility: visible; }
.lemon { margin-top: 15px; }
@media screen and (min-width: 1024px) {
    .nav-buttons { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
    .emoji-grid { grid-template-columns: repeat(auto-fill, minmax(115px, 1fr)); gap: 12px; }
    .emoji-char { font-size: 2.2rem; }
	.nav-buttons a { text-align: left; }
}
@media (min-width: 835px) and (max-width: 1023px) {
    .nav-buttons { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
    .emoji-grid { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 10px; }
    .emoji-char { font-size: 2rem; }
	.nav-buttons a { text-align: left; }
}
@media (min-width: 744px) and (max-width: 834px) {
    .nav-buttons { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .emoji-grid { grid-template-columns: repeat(auto-fill, minmax(105px, 1fr)); gap: 8px; }
    .emoji-char { font-size: 1.9rem; }
}
@media (min-width: 541px) and (max-width: 743px) {
    body { padding: 15px; }
    .container { padding: 15px; }
    .nav-buttons { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px; }
    .emoji-grid { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); gap: 8px; }
    .emoji-char { font-size: 1.8rem; }
}
@media (min-width: 441px) and (max-width: 540px) {
    body { padding: 12px; }
    .container { padding: 15px; }
    .nav-buttons { display: flex; flex-direction: column; }
    .emoji-grid { grid-template-columns: repeat(auto-fill, minmax(95px, 1fr)); gap: 8px; }
    .emoji-char { font-size: 1.8rem; }
}
@media (min-width: 391px) and (max-width: 440px) {
    body { padding: 10px; }
    .container { padding: 12px; }
    .emoji-grid { grid-template-columns: repeat(4, 1fr); gap: 6px; }
    .emoji-char { font-size: 1.7rem; }
    .emoji-hex, .emoji-no { font-size: 0.7rem; }
}
@media (min-width: 381px) and (max-width: 390px) {
    body { padding: 8px; }
    .container { padding: 10px; }
    .comment-box { font-size: 0.85rem; padding: 10px; }
    .emoji-grid { grid-template-columns: repeat(4, 1fr); gap: 6px; }
    .emoji-char { font-size: 1.6rem; }
    .emoji-hex, .emoji-no { font-size: 0.65rem; }
    .btn { padding: 10px 16px; font-size: 0.9rem; }
}
@media (min-width: 375px) and (max-width: 380px) {
    body { padding: 8px; }
    .container { padding: 10px; }
    .comment-box { font-size: 0.85rem; padding: 10px; }
    .emoji-grid { grid-template-columns: repeat(4, 1fr); gap: 5px; }
    .emoji-char { font-size: 1.5rem; }
    .emoji-hex, .emoji-no { font-size: 0.6rem; }
    .btn { padding: 10px 14px; font-size: 0.85rem; }
}
@media (max-width: 374px) {
    body { padding: 5px; }
    .container { padding: 8px; }
    .comment-box { font-size: 0.8rem; padding: 8px; }
    .nav-buttons a { padding: 8px 10px; font-size: 0.8rem; }
    .emoji-grid { grid-template-columns: repeat(3, 1fr); gap: 5px; }
    .emoji-char { font-size: 1.4rem; }
    .emoji-hex, .emoji-no { font-size: 0.55rem; }
    .btn { padding: 8px 12px; font-size: 0.8rem; }
}