/* ============================================================
   匿名お悩みポイ捨てドロップ — スタイルシート
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #fdf6f9;
  --fg:        #3d2b3d;
  --pink:      #f472b6;
  --pink-dark: #ec4899;
  --pink-lt:   #fce7f3;
  --purple-lt: #f3e8ff;
  --mint:      #d1fae5;
  --amber:     #f59e0b;
  --red:       #ef4444;
  --gray:      #6b7280;
  --gray-lt:   #f3f4f6;
  --white:     #ffffff;
  --radius:    1rem;
  --shadow:    0 2px 12px rgba(244,114,182,.15);
  --shadow-lg: 0 4px 24px rgba(244,114,182,.25);
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, 'Hiragino Sans', 'Noto Sans JP', 'Yu Gothic', sans-serif;
  min-height: 100vh;
  line-height: 1.6;
}

body::before {
  content: '';
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background:
    radial-gradient(ellipse at 15% 50%, rgba(255,182,193,.15) 0%, transparent 60%),
    radial-gradient(ellipse at 85% 15%, rgba(186,225,255,.10) 0%, transparent 60%),
    radial-gradient(ellipse at 60% 85%, rgba(221,180,255,.10) 0%, transparent 60%);
}

/* ---- Header ---- */
.site-header {
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--pink-lt);
  position: sticky; top: 0; z-index: 100;
}
.header-inner {
  max-width: 720px; margin: 0 auto;
  padding: .75rem 1rem;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.site-logo {
  font-size: 1.1rem; font-weight: 800;
  color: var(--pink-dark); text-decoration: none;
  white-space: nowrap;
}
.site-nav { display: flex; gap: 1.25rem; }
.site-nav a {
  font-size: .875rem; color: var(--gray);
  text-decoration: none; transition: color .2s;
}
.site-nav a:hover { color: var(--pink-dark); }
.nav-toggle {
  display: none; background: none; border: none;
  font-size: 1.25rem; cursor: pointer; color: var(--gray);
}

@media (max-width: 600px) {
  .nav-toggle { display: block; }
  .site-nav {
    display: none; flex-direction: column;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--white); border-top: 1px solid var(--pink-lt);
    padding: 1rem; gap: .75rem;
  }
  .site-nav.open { display: flex; }
}

/* ---- Main ---- */
.main-content {
  position: relative; z-index: 1;
  max-width: 680px; margin: 0 auto;
  padding: 2rem 1rem;
}

/* ---- Footer ---- */
.site-footer {
  margin-top: 4rem;
  border-top: 1px solid var(--pink-lt);
  background: rgba(255,255,255,.6);
  padding: 2rem 1rem;
  text-align: center;
}
.footer-inner { max-width: 680px; margin: 0 auto; display: flex; flex-direction: column; gap: .75rem; }
.footer-notice { font-size: .875rem; color: var(--gray); line-height: 1.6; }
.footer-notice a { color: var(--amber); text-decoration: underline; }
.footer-nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem; }
.footer-nav a { font-size: .75rem; color: var(--gray); text-decoration: none; transition: color .2s; }
.footer-nav a:hover { color: var(--pink-dark); }
.footer-nav .help-link:hover { color: var(--amber); }
.footer-copy { font-size: .75rem; color: #9ca3af; }

/* ---- Cards ---- */
.card {
  background: rgba(255,255,255,.75);
  border: 1.5px solid var(--pink-lt);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}
.card + .card { margin-top: 1rem; }

/* ---- カテゴリ選択 ---- */
.category-select-wrap { display: flex; flex-direction: column; gap: .5rem; }
.category-select-label { font-size: .8rem; color: #9ca3af; }
.category-btns {
  display: flex; gap: .4rem; flex-wrap: wrap;
}
.cat-select-btn {
  display: flex; align-items: center; gap: .35rem;
  background: var(--gray-lt); border: 1.5px solid transparent;
  border-radius: 999px; padding: .35rem .8rem;
  font-size: .8rem; font-family: inherit; cursor: pointer;
  color: var(--gray); transition: all .15s; white-space: nowrap;
}
.cat-select-btn:hover { border-color: var(--pink-lt); color: var(--pink-dark); background: var(--pink-lt); }
.cat-select-btn.active {
  background: var(--pink-lt); border-color: #f9a8d4;
  color: var(--pink-dark); font-weight: 600;
}

/* ---- Hero ---- */
.hero {
  text-align: center;
  padding: 1rem 0 .5rem;
  display: flex; flex-direction: column; gap: .75rem;
}
.hero-icon { font-size: 4rem; }
.hero h1 { font-size: 1.75rem; font-weight: 800; line-height: 1.3; }
.hero-catch { font-size: 1.15rem; font-weight: 700; color: var(--pink-dark); }
.hero-sub { font-size: .875rem; color: var(--gray); line-height: 1.7; }

/* ---- Form ---- */
.vent-form { display: flex; flex-direction: column; gap: 1rem; }
.textarea-wrap { position: relative; }
.vent-textarea {
  width: 100%; resize: none;
  border: 2px solid var(--pink-lt);
  border-radius: var(--radius);
  background: rgba(255,255,255,.9);
  padding: 1rem 3rem 1rem 1rem;
  font-size: 1rem; font-family: inherit;
  outline: none; transition: border-color .2s, box-shadow .2s;
  line-height: 1.6;
}
.vent-textarea:focus { border-color: var(--pink); box-shadow: 0 0 0 3px rgba(244,114,182,.15); }
.vent-textarea.error { border-color: var(--red); }
.char-count {
  position: absolute; bottom: .65rem; right: .75rem;
  font-size: .75rem; font-family: monospace;
  color: #d1d5db; pointer-events: none;
  transition: color .2s;
}
.char-count.warn  { color: var(--amber); }
.char-count.over  { color: var(--red); }

.form-row { display: flex; align-items: center; justify-content: space-between; padding: 0 .25rem; }
.toggle-public { display: flex; align-items: center; gap: .5rem; font-size: .875rem; color: var(--gray); cursor: pointer; }
.toggle-public input { accent-color: var(--pink); width: 1rem; height: 1rem; }
.anon-badge { font-size: .75rem; color: #9ca3af; }

.btn {
  display: inline-block; text-align: center;
  border: none; cursor: pointer; font-family: inherit;
  border-radius: var(--radius); font-weight: 700;
  transition: transform .15s, box-shadow .15s, opacity .15s;
  text-decoration: none;
}
.btn:active { transform: scale(.97); }
.btn-primary {
  background: linear-gradient(135deg, var(--pink) 0%, #fb7185 100%);
  color: var(--white); font-size: 1.1rem;
  padding: 1rem 1.5rem; width: 100%;
  box-shadow: var(--shadow);
}
.btn-primary:hover { box-shadow: var(--shadow-lg); transform: scale(1.02); }
.btn-primary:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.btn-outline {
  background: rgba(255,255,255,.7);
  border: 2px solid var(--pink-lt);
  color: var(--pink-dark); font-size: .95rem;
  padding: .75rem 1.25rem; width: 100%;
}
.btn-outline:hover { background: var(--pink-lt); }
.btn-purple {
  background: linear-gradient(135deg, #a78bfa 0%, var(--pink) 100%);
  color: var(--white); font-size: 1rem;
  padding: .85rem 1.25rem; width: 100%;
  box-shadow: var(--shadow);
}
.btn-purple:hover { box-shadow: var(--shadow-lg); transform: scale(1.02); }
.form-notice { text-align: center; font-size: .75rem; color: #9ca3af; }
.form-notice a { color: var(--amber); }
.form-error { color: var(--red); font-size: .875rem; text-align: center; }

/* ---- Vent card ---- */
.vent-card {
  background: var(--white);
  border: 1.5px solid var(--pink-lt);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  transition: box-shadow .2s;
  display: flex; flex-direction: column; gap: .75rem;
}
.vent-card:hover { box-shadow: var(--shadow-lg); }
.card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: .5rem; }
.card-label {
  display: inline-block;
  background: linear-gradient(135deg, var(--pink-lt), var(--purple-lt));
  color: var(--pink-dark); font-size: .75rem; font-weight: 600;
  border-radius: 999px; padding: .2rem .75rem;
}
.card-time { font-size: .75rem; color: #d1d5db; white-space: nowrap; }
.card-content { font-size: 1rem; color: #374151; line-height: 1.7; }
.card-foot { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: .5rem; }
.reactions { display: flex; flex-wrap: wrap; gap: .4rem; }
.reaction-btn {
  display: flex; align-items: center; gap: .3rem;
  background: var(--white); border: 1.5px solid #e5e7eb;
  border-radius: 999px; padding: .25rem .65rem;
  font-size: .8rem; color: var(--gray);
  cursor: pointer; transition: all .2s; font-family: inherit;
}
.reaction-btn:hover { border-color: var(--pink); color: var(--pink-dark); background: var(--pink-lt); }
.reaction-btn.reacted { background: var(--pink-lt); border-color: #f9a8d4; color: var(--pink-dark); cursor: default; }
.reaction-count { font-family: monospace; font-size: .7rem; opacity: .7; }
.report-btn { font-size: .75rem; color: #d1d5db; background: none; border: none; cursor: pointer; transition: color .2s; }
.report-btn:hover { color: var(--gray); }

/* ---- Drop animation ---- */
.drop-scene {
  display: flex; flex-direction: column; align-items: center;
  gap: 1.5rem; padding: 2rem 0; min-height: 220px; justify-content: center;
}
.drop-paper {
  background: var(--white); border: 1.5px solid var(--pink-lt);
  border-radius: .75rem; padding: 1.25rem 1.5rem;
  font-size: .9rem; color: #6b7280; text-align: center;
  max-width: 260px; box-shadow: var(--shadow);
  transition: all .5s cubic-bezier(.34,1.56,.64,1);
}
.drop-paper.crumple {
  transform: scale(.65) rotate(18deg);
  border-radius: 50%; opacity: .7;
}
.drop-paper.fly {
  transform: scale(.1) rotate(45deg) translateY(80px);
  opacity: 0;
}
.drop-bin { font-size: 4rem; transition: transform .3s; }
.drop-bin.active { transform: scale(1.25); }
.drop-status { font-size: .875rem; color: #9ca3af; }

/* ---- Result ---- */
.result-box {
  text-align: center;
  display: flex; flex-direction: column; gap: 1.25rem;
  animation: fadeUp .5s ease both;
}
@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
.result-icon { font-size: 3.5rem; }
.result-title { font-size: 1.35rem; font-weight: 800; color: var(--pink-dark); }
.result-message {
  background: linear-gradient(135deg, var(--pink-lt), var(--purple-lt));
  border: 1.5px solid var(--pink-lt);
  border-radius: var(--radius);
  padding: 1.5rem; font-size: 1rem; color: #374151; line-height: 1.7;
}
.result-actions { display: flex; flex-direction: column; gap: .75rem; }
.link-small { text-align: center; font-size: .875rem; color: #9ca3af; text-decoration: underline; }
.link-small:hover { color: var(--pink-dark); }

/* ---- Section headers ---- */
.page-header { text-align: center; margin-bottom: 1.5rem; }
.page-header .page-icon { font-size: 3rem; display: block; margin-bottom: .5rem; }
.page-header h1 { font-size: 1.5rem; font-weight: 800; }
.page-header p { font-size: .875rem; color: var(--gray); margin-top: .35rem; }

/* ---- Feed ---- */
.feed-list { display: flex; flex-direction: column; gap: 1rem; margin-top: 1rem; }
.feed-cta { text-align: center; margin-bottom: 1.25rem; }

/* ---- Info pages ---- */
.info-section {
  background: rgba(255,255,255,.75);
  border: 1.5px solid var(--pink-lt);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
}
.info-section h2 { font-size: 1rem; font-weight: 700; margin-bottom: .6rem; color: #374151; }
.info-section p, .info-section li { font-size: .9rem; color: #6b7280; line-height: 1.75; }
.info-section ul { padding-left: 1.25rem; display: flex; flex-direction: column; gap: .3rem; }
.info-section.warning {
  background: #fffbeb;
  border-color: #fde68a;
}
.info-section.warning p { color: #92400e; }
.info-section.danger {
  background: #fef2f2;
  border-color: #fecaca;
}
.info-section.danger h2 { color: #991b1b; }

/* ---- Help page ---- */
.help-contact { margin-bottom: 1rem; }
.contact-item { display: flex; flex-direction: column; gap: .25rem; padding: .75rem 0; border-bottom: 1px solid #f3f4f6; }
.contact-item:last-child { border-bottom: none; }
.contact-name { font-size: .875rem; font-weight: 600; color: #374151; }
.contact-tel { font-size: 1.5rem; font-weight: 800; color: #1d4ed8; text-decoration: none; }
.contact-tel.urgent { color: var(--red); }
.contact-note { font-size: .75rem; color: #9ca3af; }

/* ---- Admin ---- */
.admin-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: .75rem; margin-bottom: 1.5rem; }
@media (min-width: 480px) { .admin-grid { grid-template-columns: repeat(3, 1fr); } }
.stat-card {
  background: var(--white); border: 1.5px solid #e5e7eb;
  border-radius: var(--radius); padding: 1rem; text-align: center;
  box-shadow: 0 1px 4px rgba(0,0,0,.05);
}
.stat-label { font-size: .75rem; color: #9ca3af; margin-bottom: .25rem; }
.stat-value { font-size: 2rem; font-weight: 800; }
.admin-nav { display: flex; flex-direction: column; gap: .5rem; }
.admin-nav a {
  display: block; background: var(--white); border: 1.5px solid #e5e7eb;
  border-radius: var(--radius); padding: 1rem 1.25rem;
  font-weight: 600; color: #374151; text-decoration: none;
  transition: background .2s;
}
.admin-nav a:hover { background: var(--gray-lt); }
.admin-post {
  background: var(--white); border: 1.5px solid #e5e7eb;
  border-radius: .75rem; padding: 1rem; margin-bottom: .5rem;
  transition: opacity .2s;
}
.admin-post.hidden { opacity: .5; }
.admin-post-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: .5rem; flex-wrap: wrap; gap: .35rem; }
.admin-post-content { font-size: .875rem; color: #374151; margin-bottom: .75rem; }
.admin-actions { display: flex; gap: .5rem; flex-wrap: wrap; }
.btn-sm {
  font-size: .75rem; padding: .3rem .75rem;
  border-radius: 999px; border: 1.5px solid #e5e7eb;
  background: none; cursor: pointer; font-family: inherit;
  transition: background .15s;
}
.btn-sm:hover { background: var(--gray-lt); }
.btn-sm.danger { border-color: #fecaca; color: var(--red); }
.btn-sm.danger:hover { background: #fef2f2; }
.badge {
  display: inline-block; font-size: .7rem; font-weight: 600;
  padding: .15rem .55rem; border-radius: 999px;
}
.badge-green  { background: #d1fae5; color: #065f46; }
.badge-amber  { background: #fef3c7; color: #92400e; }
.badge-red    { background: #fee2e2; color: #991b1b; }
.badge-gray   { background: #f3f4f6; color: #6b7280; }
.search-input {
  width: 100%; border: 1.5px solid #e5e7eb; border-radius: .75rem;
  padding: .6rem 1rem; font-size: .875rem; font-family: inherit;
  outline: none; margin-bottom: 1rem;
  transition: border-color .2s;
}
.search-input:focus { border-color: var(--pink); }
.admin-login {
  max-width: 360px; margin: 4rem auto;
  background: var(--white); border: 1.5px solid #e5e7eb;
  border-radius: var(--radius); padding: 2rem; box-shadow: var(--shadow);
}
.admin-login h1 { font-size: 1.25rem; margin-bottom: 1.5rem; text-align: center; }
.form-group { display: flex; flex-direction: column; gap: .4rem; margin-bottom: 1rem; }
.form-group label { font-size: .875rem; font-weight: 600; color: #374151; }
.form-group input {
  border: 1.5px solid #e5e7eb; border-radius: .75rem;
  padding: .65rem .9rem; font-size: 1rem; font-family: inherit;
  outline: none; transition: border-color .2s;
}
.form-group input:focus { border-color: var(--pink); }

/* ---- Modal ---- */
.modal-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,.45); z-index: 200;
  align-items: center; justify-content: center; padding: 1rem;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--white); border-radius: var(--radius);
  padding: 1.5rem; max-width: 380px; width: 100%;
  box-shadow: 0 8px 40px rgba(0,0,0,.2);
}
.modal h3 { font-size: 1rem; font-weight: 700; margin-bottom: 1rem; }
.modal-actions { display: flex; gap: .75rem; margin-top: 1.25rem; }
.modal-actions .btn { flex: 1; padding: .65rem; font-size: .9rem; }
.radio-group { display: flex; flex-direction: column; gap: .6rem; }
.radio-group label { display: flex; align-items: center; gap: .6rem; font-size: .875rem; color: #374151; cursor: pointer; }
.radio-group input { accent-color: var(--pink); }

/* ---- Loading ---- */
.loading { text-align: center; color: #9ca3af; padding: 3rem 0; }
.empty   { text-align: center; color: #9ca3af; padding: 3rem 0; }

/* ---- Utility ---- */
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.text-center { text-align: center; }
.text-sm { font-size: .875rem; }
.text-gray { color: var(--gray); }

/* ================================================================
   パターン選択 UI
   ================================================================ */
.pattern-selector { margin-top: -.25rem; }

.pattern-toggle {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  background: rgba(255,255,255,.7); border: 1.5px dashed var(--pink-lt);
  border-radius: var(--radius); padding: .65rem 1rem;
  font-size: .875rem; font-family: inherit; cursor: pointer;
  color: var(--gray); transition: background .2s, border-color .2s;
}
.pattern-toggle:hover { background: var(--pink-lt); border-color: #f9a8d4; }
.toggle-label { display: flex; align-items: center; gap: .5rem; }
.toggle-arrow { font-size: .75rem; transition: transform .2s; }
.pattern-panel.open ~ * { }
.pattern-panel { display: none; }
.pattern-panel.open { display: block; }
.pattern-panel.open + .pattern-toggle .toggle-arrow,
.pattern-toggle .toggle-arrow-open { transform: rotate(180deg); }

.pattern-panel-inner {
  background: rgba(255,255,255,.9);
  border: 1.5px solid var(--pink-lt);
  border-radius: var(--radius);
  margin-top: .4rem;
  padding: .75rem;
  box-shadow: var(--shadow);
}

/* ランダムオプション */
#random-option { margin-bottom: .75rem; }

/* カテゴリタブ */
.cat-tabs {
  display: flex; gap: .4rem; overflow-x: auto; padding-bottom: .25rem; margin-bottom: .75rem;
  scrollbar-width: none;
}
.cat-tabs::-webkit-scrollbar { display: none; }
.cat-tab {
  flex-shrink: 0; background: var(--gray-lt); border: 1.5px solid transparent;
  border-radius: 999px; padding: .3rem .75rem;
  font-size: .8rem; font-family: inherit; cursor: pointer;
  color: var(--gray); transition: all .15s;
}
.cat-tab:hover  { border-color: var(--pink-lt); color: var(--pink-dark); }
.cat-tab.active { background: var(--pink-lt); border-color: #f9a8d4; color: var(--pink-dark); font-weight: 600; }

/* パターングリッド */
.pattern-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .4rem;
}
@media (min-width: 420px) { .pattern-grid { grid-template-columns: repeat(4, 1fr); } }

.pattern-card {
  display: flex; flex-direction: column; align-items: center; gap: .25rem;
  background: var(--white); border: 1.5px solid #e5e7eb;
  border-radius: .75rem; padding: .6rem .25rem;
  font-family: inherit; cursor: pointer;
  transition: all .15s; text-align: center;
}
.pattern-card:hover  { border-color: var(--pink); background: var(--pink-lt); transform: translateY(-1px); }
.pattern-card.selected { border-color: var(--pink-dark); background: var(--pink-lt); box-shadow: 0 0 0 2px rgba(244,114,182,.3); }
.pattern-card-emoji  { font-size: 1.5rem; line-height: 1; }
.pattern-card-label  { font-size: .65rem; color: var(--gray); line-height: 1.3; }
.pattern-card-random { border-style: dashed; }

/* ================================================================
   ドロップアニメーション（新版・フレキシブル）
   ================================================================ */
.drop-scene {
  display: flex; flex-direction: column; align-items: center;
  gap: 1rem; padding: 1.5rem 0; min-height: 260px; justify-content: center;
  position: relative; overflow: hidden;
}

/* 宇宙・供養系はdestinationを上に */
.drop-cat-space, .drop-cat-kuyo { flex-direction: column; }

.anim-bg {
  position: absolute; inset: 0; pointer-events: none; z-index: 0;
}
.star-particle {
  position: absolute;
  animation: star-fade .8s ease-in-out forwards;
}
@keyframes star-fade {
  0%   { opacity: 0; transform: scale(0) rotate(-20deg); }
  50%  { opacity: 1; transform: scale(1.2) rotate(5deg); }
  100% { opacity: .7; transform: scale(1) rotate(0); }
}

.anim-dest-top, .anim-dest-bot {
  font-size: 3.5rem; line-height: 1; z-index: 1;
  transition: transform .3s;
}
.anim-paper {
  background: var(--white); border: 1.5px solid var(--pink-lt);
  border-radius: .75rem; padding: 1rem 1.25rem;
  text-align: center; max-width: 260px; min-width: 180px;
  box-shadow: var(--shadow); z-index: 2;
  transition: transform .5s cubic-bezier(.34,1.56,.64,1), opacity .5s, border-radius .5s;
}
.paper-icon { font-size: 1.75rem; display: block; margin-bottom: .35rem; }
.paper-text { font-size: .875rem; color: #6b7280; line-height: 1.5; }
.anim-status { font-size: .875rem; color: #9ca3af; z-index: 1; min-height: 1.4em; text-align: center; }

/* ---- アニメーションクラス ---- */

/* ゴミ箱系: crumple → fall */
.paper-crumple {
  transform: scale(.6) rotate(18deg) !important;
  border-radius: 50% !important;
  opacity: .8 !important;
}
.paper-fall {
  transform: scale(.15) rotate(45deg) translateY(80px) !important;
  opacity: 0 !important;
  transition: transform .65s ease-in, opacity .65s ease-in !important;
}

/* キャンディ系: morph → fly */
.paper-candy-morph {
  transform: scale(1.15) rotate(-8deg) !important;
  border-color: #f9a8d4 !important;
  background: var(--pink-lt) !important;
  transition: all .45s ease !important;
}
.paper-candy-fly {
  transform: scale(.2) rotate(20deg) translateY(60px) !important;
  opacity: 0 !important;
  transition: transform .7s cubic-bezier(.5,.1,.8,1.2), opacity .6s !important;
}

/* 供養系: pray → float-up */
.paper-pray {
  transform: scale(.95) !important;
  border-color: #c4b5fd !important;
  background: var(--purple-lt) !important;
  transition: all .4s ease !important;
}
.paper-float-up {
  transform: translateY(-110px) scale(.2) !important;
  opacity: 0 !important;
  transition: transform .8s ease-in, opacity .7s ease-in !important;
}

/* 宇宙系: spin → launch */
.paper-spin {
  animation: spin-wind .5s ease forwards !important;
}
@keyframes spin-wind {
  0%   { transform: rotate(0deg) scale(1); }
  100% { transform: rotate(15deg) scale(1.05); }
}
.paper-launch {
  transform: translateY(-130px) scale(.1) rotate(-20deg) !important;
  opacity: 0 !important;
  transition: transform .8s cubic-bezier(.1,.5,.3,1), opacity .7s !important;
}

/* 目的地エフェクト */
.dest-shake {
  animation: dest-shake .4s ease !important;
}
@keyframes dest-shake {
  0%,100% { transform: scale(1); }
  25%      { transform: scale(1.35) rotate(-8deg); }
  75%      { transform: scale(1.2) rotate(5deg); }
}

.dest-bounce {
  animation: dest-bounce .5s cubic-bezier(.34,1.56,.64,1) !important;
}
@keyframes dest-bounce {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.4); }
  100% { transform: scale(1.1); }
}

.dest-glow {
  animation: dest-glow .8s ease !important;
}
@keyframes dest-glow {
  0%,100% { filter: brightness(1); transform: scale(1); }
  50%     { filter: brightness(1.6) drop-shadow(0 0 8px #fbbf24); transform: scale(1.3); }
}

.dest-twinkle {
  animation: dest-twinkle 1s ease !important;
}
@keyframes dest-twinkle {
  0%   { transform: scale(1); opacity: 1; }
  30%  { transform: scale(1.5); opacity: 1; }
  60%  { transform: scale(1.3) rotate(10deg); }
  100% { transform: scale(1); opacity: 1; }
}