/*!
 * © 2025 パソコンサロンゆうらく (Pasokon Salon Yuuraku). All rights reserved.
 * Project: ゆうらく学習トレーニングポータルYuuraku Leaning station
 * File: sweets
 * BUILD_ID: YR-2026-0110-K20                 // ← 公開用の可視ビルドID
 * CANARY_ZW
 * SPDX-License-Identifier: LicenseRef-Yuuraku-Proprietary
 * Contact: yuurakunomori@gmail.com  |  URL: https://yuurakus.jp/
 *
 * 重要
 * 
* [日本語 / Japanese]
 * 本スタイルシートおよび関連ファイルの著作権（著作権法上の権利）は、パソコンサロンゆうらくに専属します。
 * 法令で明示的に認められる場合を除き、当社の事前の書面許諾なく、複製・複写・転載・転用・編集・改変・翻案・
 * 逆コンパイル／リバースエンジニアリング・再配布・商用利用・公衆送信（Webへのアップロードを含む）・
 * 自動取得／スクレイピング等の二次利用を固く禁じます。侵害が判明した場合、警告なく直ちに
 * 差止請求・損害賠償請求等の法的措置を厳格に行います。
 * 【重要】本スタイルシートには検証用のBUILD IDおよび不可視の「カナリア文字（ウォーターマーク）」が埋め込まれ、
 * ソースには識別用IDが隠されています。これらの削除・改変は契約違反・不正競争・著作権侵害等として追及します。
 *
 * [English]
 * Copyright in this stylesheet and related files is owned exclusively by
 * Pasokon Salon Yuuraku unless otherwise stated. Except as expressly permitted by law,
 * any reproduction, modification, adaptation, reverse engineering, redistribution,
 * commercial use, public transmission (including posting on the web), or automated
 * collection/scraping without prior written permission is strictly prohibited.
 * Upon detection of infringement, we will immediately pursue legal remedies including
 * injunctive relief and damages. IMPORTANT: This stylesheet embeds a verifiable BUILD ID
 * and invisible “canary” watermark characters, and an identification ID is hidden in the source.
 * Removal or alteration will be treated as a violation and strictly enforced.
 *
 * [中文 / Chinese (Simplified)]
 * 本样式表及相关文件之著作权，除非另有说明，专属于「Pasokon Salon Yuuraku」。
 * 未经事先书面许可，严禁复制、转载、修改、改编、逆向工程、再分发、商业使用、
 * 公开传播（含上传至网络）及自动抓取/爬取等二次利用。一经发现侵权，将立即采取包括
 * 禁令与损害赔偿在内的法律措施。重要：本样式表内已嵌入可验证的BUILD ID与不可见
 * “金丝雀”水印字符，且源代码中隐藏有识别用ID。擅自删除或篡改将被视为违规并依法追究。
 *
 * [한국어 / Korean]
 * 본 스타일시트 및 관련 파일의 저작권은 별도 고지가 없는 한
 * ‘파소콘 살롱 유우라쿠(Pasokon Salon Yuuraku)’에 전속됩니다.
 * 사전 서면 허가 없이 복제, 전재, 전용, 수정, 각색, 리버스 엔지니어링,
 * 재배포, 상업적 이용, 공중송신(웹 게시 포함), 자동 수집·스크래핑 등의 2차 이용을 엄격히 금합니다.
 * 위반 시 예고 없이 즉시 금지청구 및 손해배상 청구 등 법적 조치를 취합니다.
 * 중요: 본 스타일시트에는 검증 가능한 BUILD ID와 보이지 않는 ‘카나리아(워터마크) 문자’가 포함되며,
 * 소스 내부에는 식별용 ID가 숨겨져 있습니다. 이를 삭제·변조하는 행위는 위반으로 간주되어 엄정 대응합니다.
 */

/*==================================================================
  style.css — タイピングスイーツ「あ～ん」 用スタイル（あそびかた）
==================================================================*/
:root{
  --bg1:#fff2f7;
  --bg2:#ffe7f4;
  --bg3:#fff3df;
  --ink:#3a2d2d;

  --pink:#ff76b6;
  --pink2:#ffb3d1;
  --cream:#fff3df;
  --mint:#b9f3e4;
  --sky:#bfe3ff;
  --grape:#c6b3ff;

  --card:#ffffffcc;
  --line:#ffd1ea;

  --shadow: 0 16px 40px rgba(0,0,0,.12);
  --shadow2: 0 10px 24px rgba(255,118,182,.18);
  --radius: 22px;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  color:var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, "M PLUS Rounded 1c", "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Meiryo", sans-serif;
  background:
    radial-gradient(1200px 700px at 15% 0%, var(--bg1), transparent 60%),
    radial-gradient(900px 600px at 90% 20%, var(--bg3), transparent 55%),
    radial-gradient(1200px 900px at 50% 120%, var(--bg2), transparent 60%),
    linear-gradient(180deg, #fff, #fff0f7 45%, #fff 100%);
}

a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }

.skip{
  position:absolute; left:-9999px; top:auto;
  width:1px; height:1px; overflow:hidden;
}
.skip:focus{
  position:fixed; left:12px; top:12px;
  width:auto; height:auto; padding:10px 12px;
  background:#fff; border:2px solid var(--pink); border-radius:12px;
  z-index:9999;
}

/* Topbar */
.topbar{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter: blur(10px);
  background: linear-gradient(90deg, rgba(255,179,209,.72), rgba(255,243,223,.72));
  border-bottom: 1px solid rgba(255,118,182,.22);
}
.topbar__inner{
  max-width:1160px;
  margin:0 auto;
  padding:10px 14px;
  display:flex;
  align-items:center;
  gap:14px;
}
.brand{
  display:flex; align-items:center; gap:10px;
  min-width: 280px;
}
.brand__mark{
  width:36px; height:36px;
  border-radius:14px;
  background: linear-gradient(135deg, var(--pink2), var(--cream));
  box-shadow: 0 6px 16px rgba(255,118,182,.25);
  display:grid;
  place-items:center;
  position:relative;
  overflow:hidden;
}
.brand__mark .mark-dot{
  position:absolute;
  width:9px; height:9px; border-radius:99px;
  background:#fff;
  opacity:.9;
  box-shadow: 0 4px 10px rgba(0,0,0,.08);
}
.brand__mark .mark-dot:nth-child(1){ left:7px; top:9px; background:var(--mint); }
.brand__mark .mark-dot:nth-child(2){ left:16px; top:18px; background:var(--sky); }
.brand__mark .mark-dot:nth-child(3){ left:22px; top:8px; background:var(--grape); }

.brand__name{
  font-weight:900;
  letter-spacing:.06em;
  font-size:14px;
}
.brand__tag{
  font-weight:800;
  font-size:12px;
  color: rgba(58,45,45,.78);
}

.nav{
  display:flex; gap:10px; align-items:center;
  padding:0 8px;
  border-left: 1px solid rgba(255,118,182,.18);
  border-right: 1px solid rgba(255,118,182,.18);
  margin-left:auto;
}
.nav a{
  padding:8px 10px;
  border-radius:12px;
  font-weight:800;
  color: rgba(58,45,45,.82);
}
.nav a:hover{
  background: rgba(255,255,255,.7);
  box-shadow: 0 6px 16px rgba(0,0,0,.06);
  transform: translateY(-1px);
}

.topbar__actions{
  display:flex; gap:10px; align-items:center;
}

/* Buttons */
.btn{
  appearance:none;
  border:0;
  cursor:pointer;
  padding:10px 12px;
  border-radius:14px;
  font-weight:900;
  letter-spacing:.04em;
  box-shadow: 0 10px 20px rgba(0,0,0,.08);
  transition: transform .15s ease, box-shadow .15s ease, filter .15s ease;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  user-select:none;
}
.btn:hover{ transform: translateY(-1px); box-shadow: var(--shadow2); }
.btn:active{ transform: translateY(0px) scale(.99); }

.btn--primary{
  color:#fff;
  background: linear-gradient(135deg, var(--pink), #ff9f6d);
  box-shadow: 0 16px 30px rgba(255,118,182,.22);
}
.btn--ghost{
  background: rgba(255,255,255,.8);
  border: 2px solid rgba(255,118,182,.25);
}
.btn--soft{
  background: linear-gradient(135deg, rgba(255,255,255,.9), rgba(255,243,223,.9));
  border: 2px solid rgba(255,118,182,.18);
}
.btn--big{
  padding:12px 16px;
  border-radius:16px;
  font-size:14px;
}

/* Page */
.page{ width:100%; }
.section{
  max-width:1160px;
  margin:0 auto;
  padding:54px 14px;
}
.section--alt{
  background: linear-gradient(180deg, rgba(255,255,255,.0), rgba(255,255,255,.62), rgba(255,255,255,.0));
  border-top: 1px solid rgba(255,118,182,.10);
  border-bottom: 1px solid rgba(255,118,182,.10);
}
.section__head{
  margin-bottom:18px;
}
.section__title{
  margin:0;
  font-size:26px;
  letter-spacing:.06em;
}
.section__sub{
  margin:10px 0 0;
  font-weight:700;
  color: rgba(58,45,45,.78);
}

.preline{ white-space:pre-line; }

/* Hero */
.hero{
  position:relative;
  overflow:hidden;
  padding:30px 0 12px;
}
.hero__inner{
  max-width:1160px;
  margin:0 auto;
  padding:22px 14px 10px;
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap:18px;
  align-items:center;
}
.hero__title{
  margin:0;
  font-size:40px;
  line-height:1.08;
  letter-spacing:.04em;
}
.hero__lead{
  margin:14px 0 0;
  font-size:15px;
  font-weight:800;
  color: rgba(58,45,45,.78);
}
.hero__cta{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top:18px;
}

.badges{
  list-style:none;
  padding:0; margin:14px 0 0;
  display:flex; gap:10px; flex-wrap:wrap;
}
.badge{
  padding:8px 10px;
  border-radius:999px;
  background: rgba(255,255,255,.78);
  border: 1px solid rgba(255,118,182,.22);
  font-weight:900;
  font-size:12px;
  box-shadow: 0 12px 24px rgba(0,0,0,.06);
}

/* Sprinkles background layer */
.sprinkles{
  position:absolute;
  inset:0;
  pointer-events:none;
  opacity:.22;
  background-image:
    linear-gradient(25deg,  #ff76b6 0, #ff76b6 100%),
    linear-gradient(-30deg, #bfe3ff 0, #bfe3ff 100%),
    linear-gradient(45deg,  #ffd166 0, #ffd166 100%),
    linear-gradient(-45deg, #b9f3e4 0, #b9f3e4 100%),
    linear-gradient(70deg,  #c6b3ff 0, #c6b3ff 100%),
    linear-gradient(-70deg, #ffb3d1 0, #ffb3d1 100%),
    linear-gradient(15deg,  #ff9f6d 0, #ff9f6d 100%),
    linear-gradient(-20deg, #fff3df 0, #fff3df 100%);
  background-size: 2px 12px,2px 12px,2px 12px,2px 12px,2px 12px,2px 12px,2px 12px,2px 12px;
  background-repeat:no-repeat;
  background-position:
    6% 18%, 14% 72%, 32% 26%, 42% 12%,
    66% 22%, 78% 70%, 92% 28%, 54% 86%;
  filter: drop-shadow(0 1px 0 rgba(0,0,0,.06));
}

.hero{
  position:relative;
  isolation:isolate;
  overflow:hidden;
}

.hero__inner{
  position:relative;
  z-index:3;
}

/* Canvas layer */
.bonbon-canvas{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  display:block;
  pointer-events:none;
  z-index:1;
  opacity:.88;
}

@media (prefers-reduced-motion: reduce){
  .bonbon-canvas{ display:none; }
  .floater{ animation:none; }
}

/* Floating bonbons */
.floaters{
  position:absolute;
  inset:0;
  pointer-events:none;
}
.floater{
  position:absolute;
  width:120px; height:120px;
  border-radius:999px;
  background: radial-gradient(circle at 35% 30%, rgba(255,255,255,.88), rgba(255,255,255,.0) 52%),
              linear-gradient(135deg, rgba(255,118,182,.35), rgba(255,243,223,.25));
  filter: blur(.2px);
  box-shadow: 0 24px 60px rgba(255,118,182,.14);
  animation: floaty 8s ease-in-out infinite;
  opacity:.9;
}
.f1{ left:-20px; top:90px; width:160px; height:160px; animation-duration:10s; }
.f2{ right:-30px; top:140px; width:140px; height:140px; animation-duration:9s; animation-delay:-2s; }
.f3{ left:12%; bottom:-60px; width:180px; height:180px; animation-duration:11s; animation-delay:-5s; }
.f4{ right:20%; bottom:-80px; width:220px; height:220px; animation-duration:12s; animation-delay:-7s; opacity:.75; }
.f5{ left:55%; top:-70px; width:180px; height:180px; animation-duration:13s; animation-delay:-3s; opacity:.7; }

@keyframes floaty{
  0%{ transform: translate3d(0,0,0) scale(1); }
  50%{ transform: translate3d(0,-16px,0) scale(1.02); }
  100%{ transform: translate3d(0,0,0) scale(1); }
}

/* Hero shots */
.hero__shots{
  display:grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap:12px;
  align-items:start;
}
.shot{
  background: rgba(255,255,255,.82);
  border: 2px solid rgba(255,118,182,.18);
  border-radius: 18px;
  padding:10px;
  box-shadow: var(--shadow);
  position:relative;
}
.shot img{
  border-radius: 14px;
  box-shadow: 0 14px 26px rgba(0,0,0,.12);
}
.shot figcaption{
  margin-top:8px;
  font-weight:900;
  font-size:12px;
  color: rgba(58,45,45,.78);
}
.shot--a{ grid-column:1 / span 2; }
.shot--b{ transform: rotate(-1.2deg); }
.shot--c{ transform: rotate(1.2deg); }

/* Grids */
.grid4{
  display:grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap:12px;
}
.grid2{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap:12px;
}

.card{
  background: var(--card);
  border: 2px solid rgba(255,118,182,.14);
  border-radius: var(--radius);
  padding:16px 16px 14px;
  box-shadow: var(--shadow);
}
.card h3{
  margin:0;
  font-size:16px;
  letter-spacing:.05em;
}
.card p{
  margin:10px 0 0;
  font-weight:800;
  color: rgba(58,45,45,.78);
  line-height:1.55;
}
.card--mode{
  background: linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.70));
}

/* Steps */
.steps{
  display:grid;
  gap:14px;
  margin-top:18px;
}
.step{
  display:grid;
  grid-template-columns: 64px 1fr 420px;
  gap:12px;
  align-items:center;
  padding:14px;
  border-radius: 24px;
  background: rgba(255,255,255,.72);
  border: 2px solid rgba(255,118,182,.12);
  box-shadow: var(--shadow);
}
.step__num{
  width:54px; height:54px;
  border-radius: 18px;
  display:grid;
  place-items:center;
  font-weight:1000;
  letter-spacing:.08em;
  color:#fff;
  background: linear-gradient(135deg, var(--pink), #ff9f6d);
  box-shadow: 0 18px 30px rgba(255,118,182,.22);
}
.step__body h3{
  margin:0;
  font-size:16px;
  letter-spacing:.05em;
}
.step__body p{
  margin:8px 0 0;
  font-weight:800;
  color: rgba(58,45,45,.78);
  line-height:1.55;
}
.step__shot{
  margin:0;
  background: rgba(255,255,255,.7);
  border: 2px solid rgba(255,118,182,.12);
  border-radius: 18px;
  padding:10px;
}
.step__shot img{
  border-radius: 14px;
  box-shadow: 0 16px 28px rgba(0,0,0,.14);
}

/* Note box */
.noteBox{
  margin-top:14px;
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:14px 14px;
  border-radius: 20px;
  background: rgba(255,243,223,.75);
  border: 2px solid rgba(255,118,182,.14);
  box-shadow: var(--shadow);
}
.noteBox__icon{
  font-weight:1000;
  font-size:12px;
  padding:8px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.86);
  border: 1px solid rgba(255,118,182,.22);
}
.noteBox__text{
  font-weight:900;
  color: rgba(58,45,45,.78);
}

/* FAQ */
.faq details{
  background: rgba(255,255,255,.75);
  border: 2px solid rgba(255,118,182,.12);
  border-radius: 18px;
  padding:12px 14px;
  margin:10px 0;
  box-shadow: var(--shadow);
}
.faq summary{
  cursor:pointer;
  font-weight:1000;
  letter-spacing:.04em;
}
.faq p{
  margin:10px 0 0;
  font-weight:800;
  color: rgba(58,45,45,.78);
  line-height:1.55;
}

/* Final CTA */
.final{
  max-width:1160px;
  margin:0 auto;
  padding: 26px 14px 60px;
}
.final__box{
  border-radius: 26px;
  padding:22px 18px;
  background: linear-gradient(135deg, rgba(255,118,182,.22), rgba(255,243,223,.75));
  border: 2px solid rgba(255,118,182,.14);
  box-shadow: var(--shadow);
  text-align:center;
}
.final__title{
  margin:0;
  font-size:24px;
  letter-spacing:.06em;
}
.final__sub{
  margin:10px 0 0;
  font-weight:900;
  color: rgba(58,45,45,.78);
}
.final__actions{
  margin-top:14px;
  display:flex;
  justify-content:center;
  gap:10px;
  flex-wrap:wrap;
}

/* Footer */
.footer{
  border-top: 1px solid rgba(255,118,182,.12);
  background: rgba(255,255,255,.62);
}
.footer__inner{
  max-width:1160px;
  margin:0 auto;
  padding:18px 14px;
  display:grid;
  gap:6px;
}
.footer__brand{ font-weight:1000; letter-spacing:.06em; }
.footer__links a{
  font-weight:900;
  opacity:.85;
}
.footer__copy{
  font-weight:800;
  opacity:.75;
  font-size:12px;
}

.noscript{
  position:fixed;
  left:12px; bottom:12px;
  padding:10px 12px;
  background:#fff;
  border:2px solid var(--pink);
  border-radius:14px;
  box-shadow: var(--shadow);
  z-index:9999;
}

/* Reveal animation */
[data-reveal]{
  opacity:0;
  transform: translateY(10px);
  transition: opacity .45s ease, transform .45s ease;
}
[data-reveal].in{
  opacity:1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 1080px){
  .hero__inner{ grid-template-columns: 1fr; }
  .nav{ display:none; }
  .brand{ min-width: auto; }
  .step{ grid-template-columns: 64px 1fr; }
  .step__shot{ grid-column: 1 / -1; }
  .grid4{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px){
  .topbar__inner{ flex-wrap:wrap; }
  .hero__title{ font-size:32px; }
  .grid2{ grid-template-columns: 1fr; }
  .grid4{ grid-template-columns: 1fr; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  .floater{ animation:none; }
  [data-reveal]{ transition:none; opacity:1; transform:none; }
}

/* =========================================================
   TERMS / 利用条件（要約）  (Sweets-style box)
========================================================= */
.legal{
  max-width:1160px;
  margin:0 auto;
  padding: 0 14px 28px;
}
.legal__inner{
  display:flex;
  flex-direction:column;
  gap:10px;
}

/* “お菓子箱”っぽいカード */
.legal__details{
  border-radius: 24px;
  padding:16px 18px;

  /* ふわっと甘い背景（ピンク×クリーム×ミント） */
  background:
    radial-gradient(800px 360px at 18% 0%, rgba(255,118,182,.22), rgba(255,255,255,0) 55%),
    radial-gradient(700px 320px at 88% 18%, rgba(185,243,228,.25), rgba(255,255,255,0) 60%),
    linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,243,223,.88));

  border: 2px solid rgba(255,118,182,.18);
  box-shadow:
    0 18px 40px rgba(0,0,0,.10),
    0 0 0 2px rgba(255,255,255,.65) inset;

  color: rgba(58,45,45,.92);
}

/* タイトル（summary） */
.legal__summary{
  cursor:pointer;
  font-weight:1000;
  letter-spacing:.04em;
  color: rgba(58,45,45,.90);
  user-select:none;
}

/* ▼マーカーを少し“ポップ”に */
.legal__summary::before{
  content:"◆";
  display:inline-block;
  margin-right:8px;
  color: rgba(255,118,182,.95);
  transform: translateY(-1px);
}

.legal__details summary::-webkit-details-marker{ display:none; }
.legal__details summary::marker{ content:""; }

.legal__text{
  margin:12px 0 0;
  line-height:1.8;
  font-weight:800;
  color: rgba(58,45,45,.78);
}

/* 連絡先行（本文より少し落ち着いた色） */
.legal__contact{
  margin: 0 4px;
  font-weight:900;
  color: rgba(58,45,45,.70);
}

/* メールは“いちご色”で主役に */
.legal__mail{
  margin-left:8px;
  font-weight:1000;
  color: rgba(255,118,182,1);
  text-decoration:none;
}
.legal__mail:hover{
  text-decoration:underline;
  filter: brightness(1.02);
}

@media (max-width: 640px){
  .legal{ padding-bottom: 18px; }
  .legal__details{ padding:14px 14px; }
}

/* =========================================================
   Kana confetti (GIF) : 背面に散らす（本文を邪魔しない）
========================================================= */

/* Confettiは固定で背面、本文は前面に */
.page{
  position: relative;
  z-index: 1;
}

.kanaConfetti{
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

/* “文字を鑑賞させない”＝薄め＋ぼかし＋ゆっくり漂う */
.kanaConfetti .kana{
  position: absolute;
  width: clamp(56px, 7vw, 130px);
  height: auto;

  opacity: .16;
  filter: blur(1.3px) saturate(1.12);
  transform-origin: 50% 50%;

  animation: kanaDrift var(--dur, 10s) ease-in-out infinite;
  will-change: transform;
}

@keyframes kanaDrift{
  0%   { transform: translate3d(0,0,0) rotate(var(--r, -8deg)) scale(var(--s, 1)); }
  50%  { transform: translate3d(0,-16px,0) rotate(calc(var(--r, -8deg) + 8deg)) scale(var(--s, 1)); }
  100% { transform: translate3d(0,0,0) rotate(var(--r, -8deg)) scale(var(--s, 1)); }
}

/* 位置・サイズ・回転（エッジ寄せ多めで本文を邪魔しない） */
.k1  { left: 3%;  top: 10%; --r:-12deg; --s:1.05; --dur:11s; }
.k2  { left: 14%; top: 62%; --r: 10deg; --s:.95; --dur:12s; }
.k3  { left: 6%;  bottom: 6%; --r:-8deg; --s:1.10; --dur:13s; }
.k4  { left: 22%; top: 16%; --r: 14deg; --s:.90; --dur:10s; }

.k5  { right: 6%; top: 12%; --r: 12deg; --s:1.00; --dur:12s; }
.k6  { right: 18%; top: 50%; --r:-14deg; --s:.92; --dur:11s; }
.k7  { right: 4%; bottom: 10%; --r: 8deg; --s:1.08; --dur:13s; }
.k8  { right: 24%; bottom: 4%; --r:-10deg; --s:.88; --dur:10s; }

.k9  { left: 38%; top: 6%; --r: 9deg; --s:.86; --dur:14s; }
.k10 { right: 40%; bottom: 8%; --r:-9deg; --s:.84; --dur:15s; }
.k11 { left: 46%; top: 78%; --r: 7deg; --s:.80; --dur:13s; }
.k12 { right: 46%; top: 28%; --r:-7deg; --s:.82; --dur:14s; }

/* スマホは少し減らして軽量化＆見やすさ優先 */
@media (max-width: 640px){
  .k9, .k10, .k11, .k12{ display:none; }
}

/* 動きが苦手な設定のときは止める（または非表示でもOK） */
@media (prefers-reduced-motion: reduce){
  .kanaConfetti .kana{ animation:none; }
}