/* =========================================================
   acm_slides.css：原神ストーリー要約のスライド表示
   子テーマに置き、functions.php から読み込む（acm_story の CSS とは別ファイル）
   ========================================================= */
.acm_slides{
  --acm-main:#5d5486; --acm-main-pale:#f4f2f9;
  --acm-sub:#b8975a;  --acm-sub-pale:#faf7f0; --acm-sub-line:#e3d6b8; --acm-sub-dark:#8a6d3b;
  --acm-text:#3a3a3a; --acm-line:#e3e1e8;
  --acm-marker:rgba(255,222,110,.65); --acm-marker2:rgba(246,170,170,.55);
  --acm-sl-sans:"Hiragino Kaku Gothic ProN","Hiragino Sans","Noto Sans JP",Meiryo,sans-serif;
  --acm-sl-serif:"Hiragino Mincho ProN","Yu Mincho","YuMincho","Noto Serif JP",serif;
  position:relative;width:100%;aspect-ratio:16/9;max-height:100vh;overflow:hidden;
  background:#1f1d28;border-radius:6px;outline:none;
  color:var(--acm-text);font-family:var(--acm-sl-sans);
  -webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;touch-action:pan-y;
}
.acm_slides.is-portrait{aspect-ratio:9/16;max-height:100svh}
.acm_slides *{box-sizing:border-box}
.acm_slides template{display:none}
.acm-has-slides .sns-share.ss-top{display:none}
/* 切替ボタン用の配色（既定＝稲妻） */
.acm_sl-switch{--acm-main:#5d5486;--acm-main-pale:#f4f2f9}

/* ---------- 地域別の配色（acm_story と共通のクラス名） ---------- */
:is(.acm_slides,.acm_sl-switch).acm_theme-inazuma,.category-inazuma :is(.acm_slides,.acm_sl-switch){--acm-main:#5d5486;--acm-main-pale:#f4f2f9;--acm-sub:#b8975a;--acm-sub-pale:#faf7f0;--acm-sub-line:#e3d6b8;--acm-sub-dark:#8a6d3b}
:is(.acm_slides,.acm_sl-switch).acm_theme-mondstadt,.category-mondstadt :is(.acm_slides,.acm_sl-switch){--acm-main:#3f7f78;--acm-main-pale:#eef6f5;--acm-sub:#9aa86a;--acm-sub-pale:#f6f8ef;--acm-sub-line:#d9e0c4;--acm-sub-dark:#67733f}
:is(.acm_slides,.acm_sl-switch).acm_theme-liyue,.category-liyue :is(.acm_slides,.acm_sl-switch){--acm-main:#8a5a3c;--acm-main-pale:#f8f2ee;--acm-sub:#c19a4b;--acm-sub-pale:#fbf7ec;--acm-sub-line:#e8d9b5;--acm-sub-dark:#8a6a28}
:is(.acm_slides,.acm_sl-switch).acm_theme-sumeru,.category-sumeru :is(.acm_slides,.acm_sl-switch){--acm-main:#4f7d4a;--acm-main-pale:#f0f6ef;--acm-sub:#c0a35a;--acm-sub-pale:#faf7ed;--acm-sub-line:#e6dbb8;--acm-sub-dark:#85702f}
:is(.acm_slides,.acm_sl-switch).acm_theme-fontaine,.category-fontaine :is(.acm_slides,.acm_sl-switch){--acm-main:#3d5f8a;--acm-main-pale:#eef3f8;--acm-sub:#8fa3b8;--acm-sub-pale:#f3f6f9;--acm-sub-line:#d6dfe8;--acm-sub-dark:#556a80}
:is(.acm_slides,.acm_sl-switch).acm_theme-natlan,.category-natlan :is(.acm_slides,.acm_sl-switch){--acm-main:#a5533a;--acm-main-pale:#faf0ec;--acm-sub:#c08a3e;--acm-sub-pale:#fbf5ec;--acm-sub-line:#ead6b6;--acm-sub-dark:#8a5e22}
:is(.acm_slides,.acm_sl-switch).acm_theme-snezhnaya,.category-snezhnaya :is(.acm_slides,.acm_sl-switch){--acm-main:#4d6f86;--acm-main-pale:#eff4f7;--acm-sub:#9db3c2;--acm-sub-pale:#f4f7f9;--acm-sub-line:#d9e3ea;--acm-sub-dark:#5b7385}

/* ---------- 全画面 ---------- */
.acm_slides:fullscreen{width:100vw;height:100vh;max-height:none;aspect-ratio:auto;border-radius:0}
.acm_slides:-webkit-full-screen{width:100vw;height:100vh;max-height:none;aspect-ratio:auto;border-radius:0}
.acm_slides.is-pseudo-fs{position:fixed;inset:0;width:100vw;height:100vh;height:100dvh;max-height:none;aspect-ratio:auto;border-radius:0;z-index:2147483000}

/* ---------- ステージ（1280×720 固定 → 縮尺で合わせる） ---------- */
.acm_slides .acm_sl-stage{
  position:absolute;left:0;top:0;width:1280px;height:720px;transform-origin:0 0;overflow:hidden;
  background:linear-gradient(160deg,#fff 0%,#fff 55%,var(--acm-main-pale) 100%);
}
.acm_slides.is-portrait .acm_sl-stage{width:720px;height:1280px}
.acm_slides .acm_sl-stage::before{content:"";position:absolute;inset:16px;border:1px solid var(--acm-line);border-radius:4px;pointer-events:none}
.acm_slides .acm_sl-deco{position:absolute;pointer-events:none}
.acm_slides .acm_sl-deco--tr{top:0;right:0;width:420px;height:420px;opacity:.07;
  background:repeating-linear-gradient(-45deg,var(--acm-main) 0 1px,transparent 1px 14px);clip-path:polygon(0 0,100% 0,100% 100%)}
.acm_slides .acm_sl-deco--bl{left:0;bottom:0;width:300px;height:300px;opacity:.1;
  background:repeating-linear-gradient(-45deg,var(--acm-sub) 0 1px,transparent 1px 14px);clip-path:polygon(0 0,0 100%,100% 100%)}

/* ---------- スライド ---------- */
.acm_slides .acm_sl-slide{
  position:absolute;inset:0;z-index:1;display:flex;flex-direction:column;padding:70px 96px 92px;
  opacity:0;visibility:hidden;transition:opacity .5s ease,visibility 0s linear .5s;
}
.acm_slides .acm_sl-slide.is-active{opacity:1;visibility:visible;z-index:2;transition:opacity .5s ease}
.acm_slides.is-portrait .acm_sl-slide{padding:100px 52px 124px}

/* 入場アニメーション */
@keyframes acmSlUp{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@keyframes acmSlLine{from{transform:scaleX(0)}to{transform:scaleX(1)}}
@keyframes acmSlPulse{0%,100%{opacity:.45}50%{opacity:1}}
@keyframes acmSlBob{0%,100%{transform:translateY(0)}50%{transform:translateY(5px)}}
@keyframes acmSlNudge{0%,100%{transform:translateX(0)}50%{transform:translateX(5px)}}
.acm_slides .is-active .acm_sl-in{animation:acmSlUp .7s cubic-bezier(.2,.7,.2,1) both;animation-delay:var(--d,0s)}
.acm_slides .is-back .acm_sl-in,
.acm_slides .is-back .acm_sl-title::after,
.acm_slides .is-back .acm_sl-cover-bar,
.acm_slides .is-back .acm_sl-ttl-orn i{animation:none !important}
.acm_slides .acm_sl-noanim,.acm_slides .acm_sl-noanim *{transition:none !important;animation:none !important}

/* 1クリックごとに出てくる要素 */
.acm_slides .acm_sl-step{
  opacity:0;transform:translateY(16px);
  transition:opacity .55s ease,transform .55s cubic-bezier(.2,.7,.2,1);transition-delay:var(--sd,0s);
}
.acm_slides .acm_sl-step.is-shown{opacity:1;transform:none}

/* マーカー：表示されたあとに線が引かれる */
.acm_slides .acm_mk,.acm_slides .acm_mk2{
  font-weight:700;background-repeat:no-repeat;background-position:0 88%;background-size:0% .42em;
  transition:background-size .9s cubic-bezier(.3,.6,.2,1);transition-delay:calc(var(--sd,0s) + .4s);
}
.acm_slides .acm_mk{background-image:linear-gradient(var(--acm-marker),var(--acm-marker))}
.acm_slides .acm_mk2{background-image:linear-gradient(var(--acm-marker2),var(--acm-marker2))}
.acm_slides .is-shown .acm_mk,.acm_slides .is-shown .acm_mk2{background-size:100% .42em}
.acm_slides strong{font-weight:700;color:inherit}

/* ---------- 見出し（コンテンツスライド） ---------- */
.acm_slides .acm_sl-head{flex:none;margin:0 0 34px}
.acm_slides .acm_sl-tag{
  display:inline-block;margin:0 0 16px;padding:3px 16px;border-radius:3px;
  background:var(--acm-main);color:#fff;font-size:17px;font-weight:700;letter-spacing:.08em;line-height:1.8;
}
.acm_slides .acm_sl-title{
  position:relative;padding:0 0 16px;border-bottom:2px solid var(--acm-line);
  font-size:40px;font-weight:700;line-height:1.4;letter-spacing:.05em;
}
.acm_slides .acm_sl-title::after{content:"";position:absolute;left:0;bottom:-2px;width:120px;height:3px;background:var(--acm-sub);transform-origin:left}
.acm_slides .is-active .acm_sl-title::after{animation:acmSlLine .8s .3s cubic-bezier(.2,.7,.2,1) both}
.acm_slides.is-portrait .acm_sl-title{font-size:36px}

/* ---------- 本文エリア（はみ出す場合は --fit で自動縮小） ---------- */
.acm_slides .acm_sl-body{
  flex:1;min-height:0;display:flex;flex-direction:column;overflow:hidden;
  font-size:calc(26px * var(--fit,1));line-height:1.75;letter-spacing:.04em;
}
.acm_slides .acm_sl-inner{width:100%;margin:0}
.acm_slides .acm_sl-body.is-center .acm_sl-inner{margin:auto 0}
.acm_slides .acm_sl-inner > p,
.acm_slides .acm_sl-col-text > p{margin:0 0 .75em}
.acm_slides .acm_sl-split{display:grid;grid-template-columns:minmax(0,1fr) 40%;gap:44px;align-items:start}
.acm_slides.is-portrait .acm_sl-split{grid-template-columns:minmax(0,1fr);gap:24px}
.acm_slides.is-portrait .acm_sl-col-fig{order:-1}

/* ---------- 箇条書き ---------- */
.acm_slides .acm_sl-inner ul,.acm_slides .acm_sl-inner ol{list-style:none;margin:0 0 .6em;padding:0;border:none;background:none}
.acm_slides .acm_sl-inner li{position:relative;margin:0;list-style:none;background:none;border:none}
.acm_slides ul.acm_list > li{padding:.35em 0 .35em 1.4em}
.acm_slides ul.acm_list > li::before{content:"";position:absolute;left:.25em;top:1.05em;width:.34em;height:.34em;border-radius:50%;background:var(--acm-sub)}
.acm_slides ul.acm_list--line > li{padding:.55em 0 .55em 1.4em;border-bottom:1px dashed #d4d4d4}
.acm_slides ul.acm_list--line > li:last-child{border-bottom:none}
.acm_slides ul.acm_list--line > li::before{top:1.25em}
.acm_slides ol.acm_steps{counter-reset:acm-step}
.acm_slides ol.acm_steps > li{padding:.35em 0 .35em 2.1em;counter-increment:acm-step}
.acm_slides ol.acm_steps > li::before{
  content:counter(acm-step);position:absolute;left:0;top:.72em;width:1.45em;height:1.45em;border-radius:50%;
  background:var(--acm-main);color:#fff;font-size:.85em;font-weight:700;line-height:1.45em;text-align:center;letter-spacing:0;
}
.acm_slides ul.acm_check > li{padding:.35em 0 .35em 1.7em}
.acm_slides ul.acm_check > li::before{
  content:"";position:absolute;left:.35em;top:.75em;width:.42em;height:.75em;
  border-right:3px solid var(--acm-main);border-bottom:3px solid var(--acm-main);transform:rotate(45deg);
}
.acm_slides ul.acm_people > li{display:flex;align-items:flex-start;gap:.9em;padding:.7em 0;border-bottom:1px dashed #d4d4d4}
.acm_slides ul.acm_people > li:last-child{border-bottom:none}
.acm_slides ul.acm_people .acm_name{
  flex:none;min-width:6.5em;margin-top:.15em;padding:0 .7em;border-radius:4px;
  background:var(--acm-sub-pale);border:1px solid var(--acm-sub-line);color:var(--acm-sub-dark);
  font-size:.82em;font-weight:700;text-align:center;line-height:2;
}
.acm_slides.is-portrait ul.acm_people > li{flex-direction:column;gap:.3em}

/* ---------- ボックス ---------- */
.acm_slides .acm_box{margin:0 0 .8em;border-radius:6px;overflow:hidden;background:var(--acm-main-pale);box-shadow:0 2px 10px rgba(0,0,0,.06)}
.acm_slides .acm_box-title{margin:0;padding:.5em 1em;background:var(--acm-main);color:#fff;font-size:.85em;font-weight:700;letter-spacing:.14em;text-align:center;line-height:1.6}
.acm_slides .acm_box-body{padding:1.1em 1.5em .4em}
.acm_slides .acm_box-body p{margin:0 0 .7em}
.acm_slides .is-center .acm_box{max-width:1000px;margin-left:auto;margin-right:auto}

.acm_slides .acm_conclusion{
  position:relative;margin:1.2em 0 .5em;padding:1.6em 1.6em 1.3em;
  background:var(--acm-sub-pale);border:1px solid var(--acm-sub-line);border-radius:6px;
}
.acm_slides .acm_conclusion::before{
  content:"結論";position:absolute;top:-.95em;left:1.2em;padding:0 1em;border-radius:3px;
  background:var(--acm-sub);color:#fff;font-size:.75em;font-weight:700;letter-spacing:.14em;line-height:1.9;
}
.acm_slides .acm_conclusion p{margin:0}
.acm_slides .acm_sl--concl .acm_conclusion{max-width:1000px;margin:0 auto;padding:1.8em 2em 1.5em;font-size:1.18em;line-height:1.85}

.acm_slides .acm_memo{position:relative;margin:1em 0 .8em;padding:1.2em 1.4em .9em;border:2px solid var(--acm-line);border-radius:6px;background:#fff}
.acm_slides .acm_memo-title{position:absolute;top:-.85em;left:1em;margin:0;padding:0 .5em;background:#fff;color:var(--acm-main);font-size:.85em;font-weight:700;letter-spacing:.08em;line-height:1.6}
.acm_slides .acm_memo p{margin:0 0 .5em}

/* ---------- 2カラム比較 ---------- */
.acm_slides .acm_compare{display:flex;gap:20px;margin:.3em 0 .9em}
.acm_slides .acm_compare-col{flex:1;border-radius:6px;overflow:hidden;background:#fafafb;box-shadow:0 1px 4px rgba(0,0,0,.1)}
.acm_slides .acm_compare-head{margin:0;padding:.55em .8em;background:var(--acm-main);color:#fff;font-size:.9em;font-weight:700;text-align:center;line-height:1.5;letter-spacing:.05em}
.acm_slides .acm_compare-col:nth-child(2) .acm_compare-head{background:var(--acm-sub)}
.acm_slides .acm_compare-body{padding:.9em 1.1em .3em;font-size:.92em}
.acm_slides .acm_compare-body p{margin:0 0 .6em}
.acm_slides.is-portrait .acm_compare{flex-direction:column}

/* ---------- 会話 ---------- */
.acm_slides .acm_talk{margin:0 0 .9em;padding:.9em 1.2em;background:#fafafb;border-radius:6px}
.acm_slides .acm_talk p{display:flex;align-items:baseline;gap:.8em;margin:.3em 0}
.acm_slides .acm_talk .acm_who{flex:none;min-width:5.6em;padding:0 .6em;border-radius:30px;background:var(--acm-main);color:#fff;font-size:.78em;font-weight:700;text-align:center;line-height:1.9}
.acm_slides .acm_talk p:nth-child(2) .acm_who{background:var(--acm-sub)}

/* ---------- 引用 ---------- */
.acm_slides .acm_quote{
  margin:.4em 0 .9em;padding:1em 2.2em;background:var(--acm-main-pale);
  border-top:1px solid var(--acm-main);border-bottom:1px solid var(--acm-main);
  text-align:center;color:var(--acm-main);font-family:var(--acm-sl-serif);font-weight:700;letter-spacing:.08em;line-height:1.8;
}
.acm_slides .acm_quote p{margin:0}

/* ---------- 流れ図（縦のタイムライン） ---------- */
.acm_slides ol.acm_flow{counter-reset:acm-flow}
.acm_slides ol.acm_flow > li{padding:.38em 0 .38em 2.6em;counter-increment:acm-flow;font-size:.92em;line-height:1.6}
.acm_slides ol.acm_flow > li::before{
  content:counter(acm-flow);position:absolute;left:0;top:.54em;z-index:1;width:1.7em;height:1.7em;border-radius:50%;
  background:#fff;border:2px solid var(--acm-main);color:var(--acm-main);
  font-size:.85em;font-weight:700;line-height:calc(1.7em - 4px);text-align:center;letter-spacing:0;
}
.acm_slides ol.acm_flow > li::after{content:"";position:absolute;left:calc(.72em - 1px);top:1.9em;bottom:-.5em;width:2px;background:var(--acm-line)}
.acm_slides ol.acm_flow > li:last-child::after{content:none}
.acm_slides ol.acm_flow > li:last-child{font-weight:700;color:var(--acm-sub-dark)}
.acm_slides ol.acm_flow > li:last-child::before{background:var(--acm-sub);border-color:var(--acm-sub);color:#fff}

/* ---------- 表（div のグリッドに変換して1行ずつ表示） ---------- */
.acm_slides .acm_sl-table{border-top:1px solid #ccc;border-bottom:1px solid #ccc;font-size:.8em;line-height:1.65}
.acm_slides .acm_sl-tr{display:grid;grid-template-columns:var(--cols);border-bottom:1px solid #e8e8e8}
.acm_slides .acm_sl-tr:last-child{border-bottom:none}
.acm_slides .acm_sl-tr > div{padding:.7em 1em}
.acm_slides .acm_sl-tr > div:first-child{font-weight:700}
.acm_slides .acm_sl-thead{background:var(--acm-main-pale);color:var(--acm-main);font-size:.9em;font-weight:700;letter-spacing:.08em}

/* ---------- 画像 ---------- */
.acm_slides .acm_figure{margin:0;padding:0;text-align:center}
.acm_slides .acm_figure img{display:block;width:100%;height:auto;max-height:440px;object-fit:contain;margin:0 auto;border-radius:6px;box-shadow:0 2px 8px rgba(0,0,0,.12)}
.acm_slides .acm_figure--wide img{aspect-ratio:16/9;object-fit:cover}
.acm_slides .acm_figure figcaption{margin:.5em 0 0;color:#777;font-size:.6em;line-height:1.6}
.acm_slides .acm_figure .acm_credit{display:block;color:#aaa}
.acm_slides .acm_figure .acm_credit a{color:inherit}
.acm_slides .acm_figure-row{display:flex;gap:12px;margin:0 0 .8em}
.acm_slides .acm_figure-row .acm_figure{flex:1;min-width:0}
.acm_slides .acm_figure-row .acm_figure img{aspect-ratio:16/9;object-fit:cover}

/* ---------- 表紙 ---------- */
.acm_slides .acm_sl--title{align-items:center;justify-content:center;text-align:center}
.acm_slides .acm_sl-ttl-series{display:inline-block;margin:0 0 34px;padding:4px 20px;border-radius:3px;background:var(--acm-main);color:#fff;font-size:20px;font-weight:700;letter-spacing:.18em;line-height:1.8}
.acm_slides .acm_sl-ttl-main{font-family:var(--acm-sl-serif);font-size:84px;font-weight:600;line-height:1.3;letter-spacing:.12em}
.acm_slides .acm_sl-ttl-orn{display:flex;align-items:center;gap:14px;margin:30px 0 26px}
.acm_slides .acm_sl-ttl-orn i{display:block;width:120px;height:1px;background:var(--acm-sub)}
.acm_slides .acm_sl-ttl-orn i:first-child{transform-origin:right}
.acm_slides .acm_sl-ttl-orn i:last-child{transform-origin:left}
.acm_slides .is-active .acm_sl-ttl-orn i{animation:acmSlLine .9s .45s cubic-bezier(.2,.7,.2,1) both}
.acm_slides .acm_sl-ttl-orn b{display:block;width:10px;height:10px;background:var(--acm-sub);transform:rotate(45deg)}
.acm_slides .acm_sl-ttl-sub{font-size:24px;font-weight:700;letter-spacing:.3em;color:var(--acm-main)}

/* ---------- 表紙の操作ガイド ----------
   アイコンが軽く「押される」動きと、そこから広がる淡い波紋で操作を示す
   （点滅はさせず、2.4秒周期のゆっくりした動き）
   マウス環境＝カーソル＋「クリック」／タッチ環境＝指＋「タップ」に自動で切替
   ------------------------------------------------------- */
@keyframes acmSlRipple{0%{transform:scale(.3);opacity:0}10%{opacity:.55}100%{transform:scale(1.7);opacity:0}}
@keyframes acmSlPress{0%,100%{transform:none}8%{transform:translate(1px,2px) scale(.88)}20%{transform:none}}
.acm_slides .acm_sl-guide-wrap{position:absolute;left:0;right:0;bottom:84px;display:flex;justify-content:center}
.acm_slides .acm_sl-guide{
  display:flex;align-items:center;gap:16px;padding:12px 30px 12px 18px;
  border:1px solid var(--acm-line);border-radius:999px;background:rgba(255,255,255,.94);
  box-shadow:0 4px 18px rgba(40,30,80,.07);text-align:left;white-space:nowrap;
}
.acm_slides .acm_sl-guide-icon{position:relative;flex:none;width:44px;height:44px;color:var(--acm-main);--rx:-5.9px;--ry:-5.9px}
.acm_slides .acm_sl-guide-icon svg{position:absolute;left:5px;top:5px;width:34px;height:34px;transform-origin:30% 20%;animation:acmSlPress 2.4s ease-in-out infinite}
.acm_slides .acm_sl-ripple{
  position:absolute;left:var(--rx);top:var(--ry);width:34px;height:34px;border-radius:50%;
  border:2px solid var(--acm-main);background:color-mix(in srgb,var(--acm-main) 10%,transparent);
  opacity:0;animation:acmSlRipple 2.4s ease-out .15s infinite;
}
.acm_slides .acm_sl-ripple + .acm_sl-ripple{animation-delay:.5s}
.acm_slides .acm_sl-guide-text b{display:block;font-size:21px;font-weight:700;line-height:1.5;letter-spacing:.1em;color:var(--acm-text)}
.acm_slides .acm_sl-guide-text b em{font-style:normal;color:var(--acm-main)}
.acm_slides .acm_sl-guide-text small{display:block;margin-top:1px;font-size:14px;line-height:1.6;letter-spacing:.06em;color:#9a98a3}
.acm_slides .acm_sl-guide .acm_sl-g-touch{display:none}
@media (hover:none){
  .acm_slides .acm_sl-guide .acm_sl-g-mouse{display:none}
  .acm_slides .acm_sl-guide em.acm_sl-g-touch{display:inline}
  .acm_slides .acm_sl-guide small.acm_sl-g-touch,
  .acm_slides .acm_sl-guide svg.acm_sl-g-touch{display:block}
  .acm_slides .acm_sl-guide-icon{--rx:-.7px;--ry:-9.2px}
}
/* 縦長（スマホ縦持ち）は縮尺が小さくなるので大きめに */
.acm_slides.is-portrait .acm_sl-guide-wrap{bottom:150px}
.acm_slides.is-portrait .acm_sl-guide{gap:18px;padding:16px 32px 16px 20px}
.acm_slides.is-portrait .acm_sl-guide-icon{transform:scale(1.25);margin:0 6px}
.acm_slides.is-portrait .acm_sl-guide-text b{font-size:28px}
.acm_slides.is-portrait .acm_sl-guide-text small{font-size:18px}
.acm_slides.is-portrait .acm_sl-ttl-main{font-size:64px}

/* ---------- 表紙のアイキャッチ ----------
   .acm_cover-split … B：左右分割（既定）
   .acm_cover-full  … A：全面背景＋白いベール
   .acm_cover-card  … C：ぼかし背景＋画像カード
   ------------------------------------------------------- */
@keyframes acmSlZoom{from{opacity:0;transform:scale(1.06)}to{opacity:1;transform:none}}
.acm_slides .acm_sl-ttl-bg{position:absolute;inset:0;z-index:-1;overflow:hidden;pointer-events:none}
.acm_slides .acm_sl-ttl-bg::after{content:"";position:absolute;inset:0}
.acm_slides .acm_sl-ttl-bg img,
.acm_slides .acm_sl-ttl-card img{display:block;max-width:none;margin:0;padding:0;border:0;border-radius:0;box-shadow:none}
.acm_slides .acm_sl-ttl-bg img{position:absolute}
.acm_slides .is-active .acm_sl-ttl-bg img{animation:acmSlZoom 1.4s cubic-bezier(.2,.7,.2,1) both}
.acm_slides .is-back .acm_sl-ttl-bg img{animation:none}
.acm_slides .acm_sl-ttl-bg .acm_sl-ttl-blur,
.acm_slides .acm_sl-ttl-card{display:none}

/* A：全面背景 */
.acm_slides.acm_cover-full .has-img .acm_sl-ttl-img{inset:0;width:100%;height:100%;object-fit:cover}
.acm_slides.acm_cover-full .has-img .acm_sl-ttl-bg::after{
  background:linear-gradient(180deg,rgba(255,255,255,0) 0%,rgba(255,255,255,.2) 22%,rgba(255,255,255,.8) 50%,rgba(255,255,255,.93) 100%);
}
.acm_slides.acm_cover-full .acm_sl--title.has-img{justify-content:flex-end;padding-bottom:190px}
.acm_slides.acm_cover-full .has-img .acm_sl-ttl-main{text-shadow:0 0 24px rgba(255,255,255,.95),0 0 6px rgba(255,255,255,.9)}

/* B：左右分割（画像は右、左へ向かって白に溶ける） */
.acm_slides.acm_cover-split .acm_sl--title.has-img{align-items:flex-start;text-align:left;padding-left:110px;padding-right:560px}
.acm_slides.acm_cover-split .has-img .acm_sl-ttl-img{top:0;right:0;width:64%;height:100%;object-fit:cover;
  -webkit-mask-image:linear-gradient(90deg,transparent 0%,rgba(0,0,0,.55) 20%,#000 45%);
          mask-image:linear-gradient(90deg,transparent 0%,rgba(0,0,0,.55) 20%,#000 45%)}
.acm_slides.acm_cover-split .has-img .acm_sl-ttl-main{font-size:48px}
.acm_slides.acm_cover-split .has-img .acm_sl-ttl-orn i:first-child{display:none}
.acm_slides.acm_cover-split .has-img .acm_sl-guide-wrap{justify-content:flex-start;padding-left:110px}

/* C：ぼかし背景＋画像カード */
.acm_slides.acm_cover-card .acm_sl--title.has-img{padding-top:60px;padding-bottom:170px}
.acm_slides.acm_cover-card .has-img .acm_sl-ttl-img{display:none}
.acm_slides.acm_cover-card .has-img .acm_sl-ttl-blur{display:block;inset:-40px;width:calc(100% + 80px);height:calc(100% + 80px);object-fit:cover;filter:blur(28px) saturate(1.1)}
.acm_slides.acm_cover-card .has-img .acm_sl-ttl-bg::after{background:rgba(255,255,255,.7)}
.acm_slides.acm_cover-card .has-img .acm_sl-ttl-card{display:block;flex:none;width:400px;aspect-ratio:16/9;margin:0 0 22px;border-radius:8px;overflow:hidden;box-shadow:0 10px 30px rgba(30,20,60,.18)}
.acm_slides.acm_cover-card .has-img .acm_sl-ttl-card img{width:100%;height:100%;object-fit:cover}
.acm_slides.acm_cover-card .has-img .acm_sl-ttl-series{margin-bottom:18px}
.acm_slides.acm_cover-card .has-img .acm_sl-ttl-main{font-size:60px}
.acm_slides.acm_cover-card .has-img .acm_sl-ttl-orn{margin:16px 0 14px}

/* 縦長（スマホ縦持ち） */
.acm_slides.is-portrait.acm_cover-full .acm_sl--title.has-img{padding-bottom:300px}
.acm_slides.is-portrait.acm_cover-split .acm_sl--title.has-img{align-items:center;justify-content:flex-end;text-align:center;padding:0 52px 300px}
.acm_slides.is-portrait.acm_cover-split .has-img .acm_sl-ttl-img{left:0;width:100%;height:58%;
  -webkit-mask-image:linear-gradient(180deg,#000 50%,transparent);mask-image:linear-gradient(180deg,#000 50%,transparent)}
.acm_slides.is-portrait.acm_cover-split .has-img .acm_sl-ttl-orn i:first-child{display:block}
.acm_slides.is-portrait.acm_cover-split .has-img .acm_sl-guide-wrap{justify-content:center;padding-left:0}
.acm_slides.is-portrait.acm_cover-card .acm_sl--title.has-img{padding-top:100px;padding-bottom:300px}
.acm_slides.is-portrait.acm_cover-card .has-img .acm_sl-ttl-card{width:560px;margin-bottom:34px}
.acm_slides.is-portrait .has-img .acm_sl-ttl-main{font-size:60px}

/* ---------- 章扉 ---------- */
.acm_slides .acm_sl--cover{justify-content:center;padding-left:150px;padding-right:150px}
.acm_slides .acm_sl--cover::before{content:"";position:absolute;left:100px;top:50%;width:4px;height:200px;margin-top:-100px;background:var(--acm-main)}
.acm_slides .acm_sl-bignum{
  position:absolute;right:80px;bottom:20px;z-index:-1;
  font-family:Georgia,"Times New Roman",serif;font-size:400px;font-weight:700;line-height:1;letter-spacing:-.04em;
  color:color-mix(in srgb,var(--acm-main) 9%,transparent);
}
.acm_slides .acm_sl-cover-fig{position:absolute;top:0;right:0;z-index:-2;width:50%;height:100%;opacity:.45;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 50%);mask-image:linear-gradient(90deg,transparent,#000 50%)}
.acm_slides .acm_sl-cover-fig img{width:100%;height:100%;object-fit:cover}
.acm_slides .acm_sl-cover-label{margin:0 0 14px;font-size:18px;font-weight:700;letter-spacing:.35em;color:var(--acm-main)}
.acm_slides .acm_sl-cover-title{font-family:var(--acm-sl-serif);font-size:48px;font-weight:600;line-height:1.35;letter-spacing:.06em}
.acm_slides .acm_sl-cover-bar{flex:none;width:90px;height:3px;margin:30px 0;background:var(--acm-sub);transform-origin:left}
.acm_slides .is-active .acm_sl-cover-bar{animation:acmSlLine .8s .25s cubic-bezier(.2,.7,.2,1) both}
.acm_slides .acm_sl--cover .acm_sl-body{flex:none;max-width:900px;max-height:300px}
.acm_slides.is-portrait .acm_sl--cover{padding-left:76px;padding-right:52px}
.acm_slides.is-portrait .acm_sl--cover::before{left:44px}
.acm_slides.is-portrait .acm_sl-cover-title{font-size:48px}
.acm_slides.is-portrait .acm_sl-bignum{font-size:300px;right:30px;bottom:130px}
.acm_slides.is-portrait .acm_sl--cover .acm_sl-body{max-height:520px}

/* ---------- 終わり ---------- */
.acm_slides .acm_sl--end{align-items:center;justify-content:center;text-align:center}
.acm_slides .acm_sl-end-mark{display:grid;place-items:center;width:120px;height:120px;margin:0 0 28px;border:2px solid var(--acm-main);border-radius:50%;font-family:var(--acm-sl-serif);font-size:54px;color:var(--acm-main)}
.acm_slides .acm_sl-end-title{margin:0 0 10px;font-family:var(--acm-sl-serif);font-size:34px;font-weight:600;letter-spacing:.1em}
.acm_slides .acm_sl-end-txt{margin:0 0 40px;font-size:18px;color:#888;letter-spacing:.12em}
.acm_slides .acm_sl-end-btns{display:flex;gap:16px}
.acm_slides .acm_sl-pill{
  appearance:none;margin:0;padding:12px 32px;border:2px solid var(--acm-main);border-radius:40px;box-shadow:none;
  background:#fff;color:var(--acm-main);font:inherit;font-size:18px;font-weight:700;letter-spacing:.1em;cursor:pointer;transition:background .2s,color .2s;
}
.acm_slides .acm_sl-pill:hover{background:var(--acm-main-pale)}
.acm_slides .acm_sl-pill--fill{background:var(--acm-main);color:#fff}
.acm_slides .acm_sl-pill--fill:hover{background:var(--acm-main);opacity:.88}

/* ---------- 操作UI ---------- */
.acm_slides .acm_sl-ui{position:absolute;inset:0;z-index:20;pointer-events:none}
.acm_slides .acm_sl-btn{
  appearance:none;display:grid;place-items:center;width:46px;height:46px;margin:0;padding:0;
  border:1px solid var(--acm-line);border-radius:50%;box-shadow:none;background:rgba(255,255,255,.9);color:var(--acm-main);
  cursor:pointer;pointer-events:auto;transition:background .2s;
}
.acm_slides .acm_sl-btn:hover{background:var(--acm-main-pale)}
.acm_slides .acm_sl-btn svg{width:22px;height:22px}
.acm_slides .acm_sl-topbtns{position:absolute;top:26px;right:30px;display:flex;gap:10px}
.acm_slides .acm_sl-foot{position:absolute;left:96px;right:30px;bottom:22px;display:flex;align-items:center;gap:12px;font-size:15px;color:#9a98a3;letter-spacing:.06em}
.acm_slides .acm_sl-foot-series{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.acm_slides .acm_sl-count{margin-right:6px;font-variant-numeric:tabular-nums}
.acm_slides .acm_sl-foot .acm_sl-btn{width:40px;height:40px}
.acm_slides .acm_sl-foot .acm_sl-btn svg{width:18px;height:18px}
.acm_slides.is-portrait .acm_sl-foot{left:52px;bottom:26px}
.acm_slides .acm_sl-progress{position:absolute;left:0;right:0;bottom:0;height:5px;background:rgba(0,0,0,.05)}
.acm_slides .acm_sl-progress i{display:block;width:0;height:100%;background:linear-gradient(90deg,var(--acm-main),var(--acm-sub));transition:width .5s ease}
.acm_slides .acm_sl-mark{position:absolute;left:50%;bottom:28px;width:30px;height:30px;margin-left:-15px;color:var(--acm-sub);opacity:0;transition:opacity .3s}
.acm_slides .acm_sl-mark.is-on{opacity:1}
.acm_slides .acm_sl-mark span{position:absolute;inset:0}
.acm_slides .acm_sl-mark svg{width:100%;height:100%}
.acm_slides .acm_sl-mark-more{display:none}
.acm_slides .acm_sl-mark.is-more .acm_sl-mark-more{display:block}
.acm_slides .acm_sl-mark.is-more .acm_sl-mark-next{display:none}
.acm_slides .acm_sl-mark-more svg{animation:acmSlBob 1.4s ease-in-out infinite}
.acm_slides .acm_sl-mark-next svg{animation:acmSlNudge 1.4s ease-in-out infinite}
.acm_slides.is-portrait .acm_sl-mark{bottom:84px}

/* ---------- 目次 ---------- */
.acm_slides .acm_sl-toc{position:absolute;inset:0;z-index:30;background:rgba(25,23,35,.5);opacity:0;visibility:hidden;pointer-events:auto;transition:opacity .3s,visibility 0s linear .3s}
.acm_slides .acm_sl-toc.is-open{opacity:1;visibility:visible;transition:opacity .3s}
.acm_slides .acm_sl-toc-panel{position:absolute;top:0;right:0;bottom:0;width:500px;padding:30px 30px 40px;overflow-y:auto;background:#fff;box-shadow:-6px 0 24px rgba(0,0,0,.15);transform:translateX(40px);transition:transform .35s cubic-bezier(.2,.7,.2,1)}
.acm_slides .acm_sl-toc.is-open .acm_sl-toc-panel{transform:none}
.acm_slides.is-portrait .acm_sl-toc-panel{width:100%}
.acm_slides .acm_sl-toc-head{display:flex;justify-content:space-between;align-items:center;margin:0 0 14px;font-size:20px;font-weight:700;letter-spacing:.15em;color:var(--acm-main)}
.acm_slides .acm_sl-toc-item{
  appearance:none;display:flex;gap:12px;width:100%;margin:0;padding:13px 14px;border:none;border-bottom:1px dashed #ddd;border-radius:4px;box-shadow:none;
  background:none;color:var(--acm-text);font:inherit;font-size:19px;line-height:1.5;text-align:left;cursor:pointer;
}
.acm_slides .acm_sl-toc-item:hover{background:var(--acm-main-pale)}
.acm_slides .acm_sl-toc-item.is-cur{background:var(--acm-main-pale);color:var(--acm-main);font-weight:700}
.acm_slides .acm_sl-toc-item b{flex:none;min-width:1.6em;color:var(--acm-main)}

@media (prefers-reduced-motion:reduce){
  .acm_slides *,.acm_slides *::before,.acm_slides *::after{animation-duration:.01s !important;animation-iteration-count:1 !important;transition-duration:.01s !important}
}

/* ---------- 表示モード（スライド／記事形式） ----------
   body.acm-has-slides … スライドを置いた記事（functions.php で付与）
   body.acm-mode-article … 「記事形式で読む」を押した状態（JS で付与）
   ------------------------------------------------------- */
.acm-has-slides:not(.acm-mode-article) .acm_story{display:none}
.acm-mode-article .acm_slides{display:none}
/* アイキャッチはスライドの表紙に使うので、スライド表示中は Cocoon の標準のアイキャッチを隠す
   （記事形式に切り替えたときは元の位置に表示される） */
.acm-has-slides:not(.acm-mode-article) .eye-catch-wrap{display:none}
/* スライド表示中は Cocoon の目次も隠す場合はコメントを外す
.acm-has-slides:not(.acm-mode-article) #toc{display:none} */

/* ---------- 切替ボタン ---------- */
.acm_sl-switch{display:flex;justify-content:center;margin:22px 0 48px;scroll-margin-top:100px}
.acm-mode-article .acm_sl-switch{margin:0 0 36px}
body .acm_sl-switch .acm_sl-switch-btn{
  appearance:none;display:inline-flex;align-items:center;gap:.6em;margin:0;padding:.8em 2em;
  border:2px solid var(--acm-main);border-radius:40px;box-shadow:none;background:#fff;color:var(--acm-main);
  font-family:"Hiragino Kaku Gothic ProN","Hiragino Sans","Noto Sans JP",Meiryo,sans-serif;
  font-size:15px;font-weight:700;letter-spacing:.08em;line-height:1.4;text-decoration:none;cursor:pointer;
  transition:background .2s,color .2s;
}
body .acm_sl-switch .acm_sl-switch-btn:hover,
body .acm_sl-switch .acm_sl-switch-btn:focus-visible{background:var(--acm-main);color:#fff}
body .acm_sl-switch .acm_sl-switch-btn svg{width:1.25em;height:1.25em;flex:none}