/* Mobile layout targeted for ~360px viewport */

@media screen and (max-width: 480px) {
  body {
    -webkit-text-size-adjust: 100%;
  overflow-y: scroll;
  overflow-x: hidden;
  }

  #note-switch, #dwm-folder, #dwm-player { display: none; }

  .header-inner {
    position: static;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 15px 10px;
    width: 100%;
    background: linear-gradient(180deg, var(--background-base) 0%, transparent 100%);
  }
  .logo-block {
    align-items: center;
    text-align: center;
  }
  .logo-db {
    font-size: 1.8rem;
  }

  .mascot-saturn, .mascot-sonic {
    display: none !important;
  }

  .genre-nav-wrap {
    position: static;
    width: 100%;
    margin: 10px 0;
    padding: 0 10px;
  }
  .genre-toggle-btn {
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px;
    background: linear-gradient(135deg, rgba(30,60,120,0.8), rgba(10,30,80,0.8));
    color: var(--white);
    border: 1px solid rgba(78,168,255,0.4);
    border-radius: var(--radius-sm);
    font-family: var(--font-Orbitron-Black);
    font-size: 0.8rem;
    letter-spacing: 2px;
    cursor: pointer;
    margin-bottom: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
  }
  .genre-nav {
    display: none;
    grid-template-columns: repeat(4, 1fr);
    gap: 5px;
  }
  .genre-nav-mobile {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 5px;
  }
  .genre-nav.is-open {
    display: grid;
  }
  .genre-btn {
    min-width: 0;
    width: 100%;
    padding: 5px;
    font-size: 0.55rem;
    background: var(--surface);
  }
  .genre-icon {
    width: 18px;
    height: 18px;
  }

  #main-content__pc {
    width: 100%;
    max-width: 100%;
    margin: 5px 0 20px 0;
    padding: 0 3px 100px 3px;
  }
  .game-label__top {
    margin: 15px 0 10px 5px;
  }
  .game-card {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  .best::before, .favorite::before {
    left: auto;
    right: 10px;
    top: 0px;
  }

  .game-info {
    padding: 10px;
  }
  .game-title__en {
    font-size: 1.1rem;
  }
  .game-meta-grid {
    grid-template-columns: 1fr;
    gap: 8px 10px;
  }

  .screenshot-window {
    width: auto;
  }
  .image-container {
    width: auto;
  }
  .ss-side {
    border: solid 10px var(--black);
  }
  .launcher {
    position: fixed;
    width: 100%; box-sizing: border-box;
    justify-content: center;
    bottom: 0; left: 0; right: 0;
    padding: 8px 0 3px 0; margin: 0; border-radius: 0;
    border: none; border-top: 1px solid var(--border);
    background: linear-gradient(135deg, rgba(26,23,48,0.95) 0%, rgba(14,20,32,0.95) 100%);
    z-index: 500;
  }
  .launcher-btn {
    min-width: 75px;
    font-size: 0.5rem;
    padding: 0;
  }
  .launcher-icon {
    width: 20px;
    height: 20px;
  }

  .review-block {
    padding: 10px;
    flex-direction: column;
    align-items: flex-start;
  }
  .review-block__text {
    padding-left: 0;
    border-left: none;
    border-top: 2px solid var(--border);
    margin-left: 0;
    padding-top: 10px;
    margin-top: 5px;
  }

  .col-publisher, .col-year { display: none; }
  .col-title { padding: 5px 0 5px 0; min-width: 250px; }
  .game-list {
    all: unset;
    position: absolute; top: 210px; left: 0px;
    width: 100%; height: auto;
    overflow-x: hidden;
    display: block;
  }
  .game-list-bg-pattern {
    all: unset;
    background-image:
      repeating-linear-gradient(45deg, rgba(127,119,221,0.04) 0, rgba(127,119,221,0.04) 1px, transparent 1px, transparent 50%),
      repeating-linear-gradient(-45deg, rgba(127,119,221,0.03) 0, rgba(127,119,221,0.03) 1px, transparent 1px, transparent 50%);
    background-size: 30px 30px;
    display: block;
    width: 100%;
    padding-bottom: 100px;
    scrollbar-gutter: auto;
    overflow: visible;
  }
  .game-list-tab {
    margin-bottom: 15px;
  }

#scroll-top-btn {
  position: fixed;
  bottom: 3.5rem;
  right: 1rem;
  width: 48px;
  height: 48px;
  border-radius: 35%;
  background: rgba(55, 138, 221, 0.12);
  border: 3px solid #378ADD;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.3s ease, transform 0.3s ease, background 0.2s ease;
  z-index: 9999;
}
#scroll-top-btn.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
#scroll-top-btn:hover  { background: rgba(55, 138, 221, 0.22); transform: translateY(-2px); }
#scroll-top-btn:active { transform: scale(0.95); }
#scroll-top-btn svg    { width: 20px; height: 20px; }
}