/* PLai サブページ共通（ブランド変数準拠・游ゴシック） */
:root{
  --purple:#9b8cff; --purple-dark:#7b6ce0; --purple-light:#f3f0ff;
  --orange:#c87941; --orange-light:#fff8f2; --ink:#1a1a2e;
}
*{margin:0;padding:0;box-sizing:border-box;}
body{font-family:"游ゴシック体",YuGothic,"游ゴシック","Yu Gothic","Hiragino Sans",sans-serif;
  color:var(--ink);background:linear-gradient(135deg,#f9f8ff 0%,#f3f0ff 45%,#fff8f2 100%);
  line-height:1.9;-webkit-font-smoothing:antialiased;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.pl-header{position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:space-between;
  padding:14px 28px;background:rgba(249,248,255,.85);backdrop-filter:blur(14px);border-bottom:1px solid #e8e4f6;}
.pl-header img.logo{height:48px;width:auto;}
.pl-nav{display:flex;gap:26px;align-items:center;font-size:14px;font-weight:600;}
.pl-nav a:hover{color:var(--purple-dark);}
.pl-cta{background:var(--purple-dark);color:#fff !important;border-radius:999px;padding:10px 22px;font-weight:700;
  box-shadow:0 8px 20px rgba(123,108,224,.30);}
.pl-hero{max-width:1120px;margin:0 auto;padding:90px 24px 40px;}
.pl-hero .eyebrow{color:var(--purple-dark);font-weight:800;font-size:14px;letter-spacing:.12em;margin-bottom:14px;}
.pl-hero h1{font-size:clamp(34px,5vw,58px);font-weight:800;line-height:1.35;letter-spacing:-.01em;}
.pl-hero h1 em{font-style:normal;background:linear-gradient(135deg,var(--purple),var(--orange));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.pl-hero p.lead{margin-top:22px;font-size:16px;color:#3c3c54;max-width:760px;}
.pl-section{max-width:1120px;margin:0 auto;padding:48px 24px;}
.pl-section h2{font-size:clamp(24px,3.2vw,38px);font-weight:800;margin-bottom:10px;}
.pl-section h2 + p.sub{color:#5a5a74;font-size:15px;margin-bottom:34px;}
.pl-grid{display:grid;gap:24px;}
.pl-grid.c2{grid-template-columns:repeat(auto-fit,minmax(340px,1fr));}
.pl-grid.c3{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));}
.pl-grid.c4{grid-template-columns:repeat(4,1fr);}
@media(max-width:1100px){.pl-grid.c4{grid-template-columns:repeat(2,1fr);}}
@media(max-width:640px){.pl-grid.c4{grid-template-columns:1fr;}}
.pl-card{background:#fff;border-radius:20px;padding:28px;box-shadow:0 10px 30px rgba(60,40,120,.08);}
.pl-card h3{font-size:19px;font-weight:800;margin-bottom:10px;}
.pl-card .num{font-size:13px;font-weight:800;color:var(--purple-dark);letter-spacing:.1em;margin-bottom:8px;display:block;}
.pl-card p{font-size:14px;color:#44445e;}
.pl-card img{border-radius:12px;margin-bottom:14px;}
.pl-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.pl-badges span{background:#fff;border:1.5px solid #ddd6f5;border-radius:999px;padding:10px 18px;
  font-size:13px;font-weight:800;color:#3d3663;box-shadow:0 4px 12px rgba(123,108,224,.10);}
.pl-dark{background:linear-gradient(135deg,#1a1a2e,#2a1f3d 55%,#4a2a3a);color:#fff;border-radius:28px;
  padding:56px 40px;text-align:center;margin:60px auto;max-width:1120px;}
.pl-dark h2{font-size:clamp(24px,3.4vw,40px);font-weight:800;margin-bottom:12px;}
.pl-dark p{color:#cfc9e8;margin-bottom:28px;}
.pl-dark a.btn{display:inline-block;background:linear-gradient(135deg,var(--purple),var(--purple-dark));
  color:#fff;border-radius:999px;padding:16px 42px;font-weight:800;box-shadow:0 12px 30px rgba(123,108,224,.45);}
.pl-footer{max-width:1120px;margin:40px auto 0;padding:40px 24px 60px;border-top:1px solid #e5e0f4;
  display:flex;flex-wrap:wrap;gap:28px;justify-content:space-between;font-size:13px;color:#5a5a74;}
.pl-flow{counter-reset:step;}
.pl-flow .pl-card{position:relative;padding-left:88px;margin-bottom:18px;}
.pl-flow .pl-card::before{counter-increment:step;content:"0" counter(step);position:absolute;left:26px;top:26px;
  font-size:26px;font-weight:800;background:linear-gradient(135deg,var(--purple),var(--orange));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.pl-table{width:100%;border-collapse:collapse;background:#fff;border-radius:16px;overflow:hidden;
  box-shadow:0 10px 30px rgba(60,40,120,.08);font-size:14px;}
.pl-table th,.pl-table td{padding:14px 18px;border-bottom:1px solid #efeaf9;text-align:left;}
.pl-table th{background:var(--purple-light);font-weight:800;}
@media(max-width:720px){.pl-nav{display:none;}.pl-flow .pl-card{padding-left:28px;padding-top:60px;}}

/* 事業一覧ドロップダウン（2026-07-07 ナビ刷新） */
.pl-nav-dd{position:relative;}
.pl-nav-dd>button{font:inherit;font-weight:600;color:inherit;background:none;border:0;cursor:pointer;padding:0;display:flex;align-items:center;gap:5px;}
.pl-nav-dd>button:hover{color:var(--purple-dark);}
.pl-dd-arrow{font-size:10px;transition:transform .2s;}
.pl-nav-dd:hover .pl-dd-arrow,.pl-nav-dd:focus-within .pl-dd-arrow{transform:rotate(180deg);}
.pl-nav-dd-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%);padding-top:14px;display:none;min-width:250px;z-index:120;}
.pl-nav-dd:hover .pl-nav-dd-menu,.pl-nav-dd:focus-within .pl-nav-dd-menu{display:block;}
.pl-nav-dd-menu>a{display:block;background:#fff;padding:12px 20px;font-weight:600;font-size:13.5px;border-bottom:1px solid #f0ecfb;}
.pl-nav-dd-menu>a:first-child{border-radius:16px 16px 0 0;}
.pl-nav-dd-menu>a:last-child{border-radius:0 0 16px 16px;border-bottom:0;}
.pl-nav-dd-menu{filter:drop-shadow(0 18px 40px rgba(60,40,120,.18));}
.pl-nav-dd-menu>a:hover{background:var(--purple-light);color:var(--purple-dark);}

/* R16: 実物成果物ギャラリー */
.pl-shot{margin:0;}
.pl-shot img{width:100%;height:auto;display:block;}
.pl-shot figcaption{margin-top:12px;font-size:13px;font-weight:600;color:#5a5a74;line-height:1.8;}

/* R17: 旧plai-ai.com business-x-ops 移植（rem→px変換済み） */
.growth-graph { background: #fff; border-radius: 20px; padding: 48px; margin-top: 32px; overflow: hidden; position: relative; border: 2px solid; border-image: linear-gradient(135deg, #9b8cff, #c87941) 1; }
.growth-graph__header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 40px; }
.growth-graph__title { font-family: 'Poppins', sans-serif; font-size: 14px; font-weight: 600; color: #888; letter-spacing: 0.05em; }
.growth-graph__current { font-family: 'Poppins', sans-serif; font-size: 42px; font-weight: 700; background: linear-gradient(135deg, #9b8cff 0%, #c87941 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; line-height: 1; }
.growth-graph__chart { display: flex; align-items: flex-end; gap: 3px; height: 280px; position: relative; padding-bottom: 36px; }
.growth-graph__chart::before { content: ''; position: absolute; bottom: 36px; left: 0; right: 0; height: 1px; background: rgba(0,0,0,0.08); }
.growth-graph__bar { flex: 1; border-radius: 3px 3px 0 0; height: var(--height); position: relative; min-height: 2px; transform-origin: bottom; transform: scaleY(0); }
.growth-graph__bar.is-visible { animation: barGrow 0.6s cubic-bezier(.37,.16,.12,1) forwards; }
.growth-graph__bar--slow { background: linear-gradient(to top, rgba(155,140,255,0.7), rgba(155,140,255,0.2)); }
.growth-graph__bar--accel { background: linear-gradient(to top, #9b8cff, rgba(155,140,255,0.35)); }
.growth-graph__bar--spike { background: linear-gradient(to top, #c87941, #9b8cff); }
.growth-graph__bar--spike.is-visible { animation: barGrow 0.8s cubic-bezier(.37,.16,.12,1) forwards; box-shadow: 0 0 20px rgba(155,140,255,0.4), 0 0 40px rgba(200,121,65,0.2); }
.growth-graph__bar--peak { background: linear-gradient(to top, #e8b88a, #c87941, #9b8cff); }
.growth-graph__bar--peak.is-visible { animation: barGrow 1s cubic-bezier(.37,.16,.12,1) forwards, peakPulse 2s ease-in-out infinite 1.2s; box-shadow: 0 0 30px rgba(155,140,255,0.5), 0 0 60px rgba(200,121,65,0.3); }
.growth-graph__bar span { position: absolute; bottom: -32px; left: 50%; transform: translateX(-50%); font-family: 'Poppins', sans-serif; font-size: 10px; color: rgba(0,0,0,0.35); white-space: nowrap; }
.growth-graph__bar--peak span,
.growth-graph__bar--spike span { color: #c87941; font-weight: 600; }
.growth-graph__annotation { position: absolute; top: 20px; right: 48px; text-align: right; }
.growth-graph__annotation-text { font-family: 'IBM Plex Sans JP', sans-serif; font-size: 12px; color: #c87941; display: block; font-weight: 600; }
.growth-graph__annotation-arrow { display: inline-block; color: #c87941; font-size: 20px; animation: bounceArrow 1.5s ease-in-out infinite; margin-top: 4px; }
.growth-graph__highlight { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 32px; }
.growth-graph__highlight-item { background: rgba(155,140,255,0.06); border: 1px solid rgba(155,140,255,0.12); border-radius: 12px; padding: 20px; text-align: center; }
.growth-graph__highlight-num { font-family: 'Poppins', sans-serif; font-size: 24px; font-weight: 700; background: linear-gradient(135deg, #9b8cff, #c87941); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; display: block; }
.growth-graph__highlight-label { font-family: 'IBM Plex Sans JP', sans-serif; font-size: 12px; color: #888; margin-top: 4px; display: block; }
/* ── Tweet Carousel ── */
.tweet-carousel { overflow: hidden; position: relative; margin-top: 32px; }
.tweet-carousel__track { display: flex; gap: 14px; animation: tweetScroll 50s linear infinite; width: max-content; }
.tweet-carousel__track:hover { animation-play-state: paused; }
.tweet-carousel__item { flex-shrink: 0; width: 230px; background: #fff; border-radius: 12px; padding: 12px; box-shadow: 0 2px 12px rgba(0,0,0,0.06); border: 1px solid #e1e8ed; text-decoration: none; display: block; transition: transform 0.3s ease, box-shadow 0.3s ease; cursor: pointer; }
.x-account-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 24px 16px 22px;
  background: #fff;
  border: 1px solid rgba(26,26,46,0.08);
  border-radius: 14px;
  text-decoration: none;
  color: inherit;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.x-account-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(26,26,46,0.10);
  border-color: rgba(155,140,255,0.3);
}
.x-account-card__avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 14px;
  background: #f5f3ff;
}
.x-account-card__name {
  font-family: 'IBM Plex Sans JP', sans-serif;
  font-size: 12.5px;
  font-weight: 600;
  color: #1a1a2e;
  margin-bottom: 4px;
  line-height: 1.4;
  min-height: 2.8em;
  display: flex;
  align-items: center;
}
.x-account-card__handle {
  font-family: 'Poppins', sans-serif;
  font-size: 10.5px;
  color: #6b6b78;
  margin-bottom: 14px;
  letter-spacing: 0.01em;
}
.x-account-card__followers {
  font-family: 'Poppins', sans-serif;
  font-size: 21px;
  font-weight: 700;
  color: #1a1a2e;
  line-height: 1;
  margin-bottom: 4px;
}
.x-account-card__followers span {
  font-size: 9px;
  font-weight: 500;
  color: #9999a8;
  margin-left: 4px;
  letter-spacing: 0.04em;
}
.x-account-card__growth {
  font-family: 'Poppins', sans-serif;
  font-size: 10.5px;
  color: #16a34a;
  font-weight: 600;
}
.x-account-card { padding: 16px 8px 14px; }
.x-account-card__avatar { width: 48px; height: 48px; margin-bottom: 10px; }
.x-account-card__name { font-size: 10px; min-height: 2.4em; }
.x-account-card__handle { font-size: 8.5px; margin-bottom: 10px; }
.x-account-card__followers { font-size: 16px; }
.x-account-card__followers span { display: block; margin-left: 0; font-size: 7px; }
.x-account-card__growth { font-size: 8.5px; }
.tweet-carousel__item:hover { transform: translateY(-3px); box-shadow: 0 6px 24px rgba(0,0,0,0.12); border-color: #ccd6dd; }
.tweet-carousel__item-header { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.tweet-carousel__avatar { width: 32px; height: 32px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.tweet-carousel__name { font-family: 'IBM Plex Sans JP', sans-serif; font-size: 11.5px; font-weight: 700; color: #0f1419; line-height: 1.3; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tweet-carousel__handle { font-family: 'Poppins', sans-serif; font-size: 10.5px; color: #536471; }
.tweet-carousel__text { font-family: 'IBM Plex Sans JP', sans-serif; font-size: 11.5px; line-height: 1.6; color: #0f1419; margin-bottom: 0; display: -webkit-box; -webkit-line-clamp: 5; -webkit-box-orient: vertical; overflow: hidden; white-space: pre-line; position: relative; }
.tweet-carousel__more { display: block; font-family: 'IBM Plex Sans JP', sans-serif; font-size: 10.5px; color: rgba(29,155,240,0.45); margin-bottom: 8px; margin-top: 3px; }
.tweet-carousel__item:hover .tweet-carousel__more { color: rgba(29,155,240,0.7); }
.tweet-carousel__media { width: 100%; border-radius: 10px; overflow: hidden; margin-bottom: 8px; position: relative; }
.tweet-carousel__media img { width: 100%; height: 130px; object-fit: cover; display: block; }
.tweet-carousel__media--video::after { content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); width: 36px; height: 36px; background: rgba(0,0,0,0.6); border-radius: 50%; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M8 5v14l11-7z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: center; background-size: 18px; }
.tweet-carousel__metrics { display: flex; gap: 12px; font-family: 'Poppins', sans-serif; font-size: 10.5px; color: #536471; padding-top: 8px; border-top: 1px solid #eff3f4; }
.tweet-carousel__metrics span { display: flex; align-items: center; gap: 4px; }
.tweet-carousel__metrics svg { width: 13px; height: 13px; }
.growth-graph { padding: 24px; }
.growth-graph__chart { height: 180px; gap: 2px; }
.growth-graph__current { font-size: 28px; }
.growth-graph__highlight { grid-template-columns: 1fr; }
.growth-graph__annotation { position: static; text-align: center; margin-bottom: 16px; }
.tweet-carousel__item { width: 200px; }
@keyframes tweetScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
@keyframes barGrow { 0% { transform: scaleY(0); } 100% { transform: scaleY(1); } }
.growth-graph__bar { animation: barGrow 0.6s cubic-bezier(.37,.16,.12,1) forwards; }
.x-accounts-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-top: 26px; }
@media (max-width: 900px) { .x-accounts-grid { grid-template-columns: repeat(2, 1fr); } }

/* R18: 実バズ投稿マーキー(SNSページ) — 現行公開HPのtweet-carouselを移植 */
.pl-buzz{overflow:hidden;margin-top:32px;-webkit-mask-image:linear-gradient(90deg,transparent,#000 4%,#000 96%,transparent);mask-image:linear-gradient(90deg,transparent,#000 4%,#000 96%,transparent);}
.pl-buzz-track{display:flex;gap:14px;width:max-content;padding:8px 0 16px;animation:plBuzzScroll 80s linear infinite;}
.pl-buzz:hover .pl-buzz-track{animation-play-state:paused;}
@keyframes plBuzzScroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.pl-tw{flex:none;width:305px;background:#fff;border:1px solid #e1e8ed;border-radius:16px;padding:16px 16px 14px;text-decoration:none;box-shadow:0 2px 14px rgba(26,26,46,.06);transition:transform .25s,box-shadow .25s;display:flex;flex-direction:column;gap:10px;align-self:flex-start;}
.pl-tw:hover{transform:translateY(-3px);box-shadow:0 10px 28px rgba(26,26,46,.12);}
.pl-tw-h{display:flex;gap:8px;align-items:center;margin-bottom:7px;}
.pl-tw-h img{width:28px;height:28px;border-radius:50%;object-fit:cover;}
.pl-tw-n{display:block;font-size:11.5px;font-weight:800;color:#0f1419;line-height:1.25;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:154px;}
.pl-tw-hd{display:block;font-size:10px;color:#657786;font-weight:600;}
.pl-tw-h{grid-column:1/3;}
.pl-tw-t{font-size:12.5px;line-height:1.75;color:#1a1a2e;display:-webkit-box;-webkit-line-clamp:14;-webkit-box-orient:vertical;overflow:hidden;margin:0;white-space:pre-line;}
.pl-tw-m{width:100%;height:auto;max-height:340px;object-fit:cover;object-position:top;border-radius:12px;display:block;border:1px solid #eef0f4;}
.pl-tw-x{display:flex;gap:14px;margin-top:6px;font-size:11px;font-weight:700;grid-column:1;grid-row:3;align-self:end;}
.pl-tw-x span{display:inline-flex;align-items:center;gap:4px;}

/* R18: 現行HP実物図解のfigure微調整 */
.pl-shot img{width:100%;height:auto;display:block;border-radius:14px;}

/* ===== R25: サイト共通クローム（トップと同一のピルナビ/統一フッター） ===== */
.pl-chrome{position:fixed;top:0;left:0;right:0;height:0;z-index:1600;pointer-events:none;font-family:"游ゴシック体",YuGothic,"Yu Gothic","Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;}
.pl-chrome-logo{position:absolute;left:40px;top:24px;pointer-events:auto;}
.pl-chrome-logo img{height:48px;width:auto;display:block;}
.pl-chrome-pill{position:absolute;left:50%;top:21px;transform:translateX(-50%);display:flex;align-items:center;flex-wrap:nowrap;background:rgba(238,237,242,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-radius:999px;padding:5px 10px;box-shadow:0 2px 14px rgba(26,26,46,.08);pointer-events:auto;}
.pl-chrome-pill>a,.pl-chrome-pill .pl-nav-dd>button{display:block;white-space:nowrap;padding:12px 20px;font-size:14px;font-weight:600;color:#1a1a2e;text-decoration:none;background:none;border:none;cursor:pointer;border-radius:999px;transition:background .2s,color .2s;font-family:inherit;line-height:1.4;}
.pl-chrome-pill>a:hover,.pl-chrome-pill .pl-nav-dd>button:hover{background:#fff;color:#7b6ce0;}
.pl-chrome-pill .pl-nav-dd{position:relative;}
.pl-chrome-pill .pl-nav-dd-menu{position:absolute;left:50%;top:calc(100% + 12px);transform:translateX(-50%);min-width:252px;background:#fff;border-radius:16px;box-shadow:0 18px 40px rgba(60,40,120,.20);overflow:hidden;font-weight:600;font-size:13.5px;line-height:1.6;display:none;}
.pl-chrome-pill .pl-nav-dd:hover .pl-nav-dd-menu,.pl-chrome-pill .pl-nav-dd:focus-within .pl-nav-dd-menu{display:block;}
.pl-chrome-pill .pl-nav-dd-menu a{display:block;padding:12px 20px;color:#1a1a2e;text-decoration:none;border-bottom:1px solid #f0ecfb;}
.pl-chrome-pill .pl-nav-dd-menu a:hover{background:#f3f0ff;color:#7b6ce0;}
.pl-chrome-cta{position:absolute;right:40px;top:20px;pointer-events:auto;display:inline-block;background:#8b80ee;color:#fff;font-size:13.5px;font-weight:700;letter-spacing:.1em;border-radius:999px;padding:14px 30px;text-decoration:none;box-shadow:0 10px 26px rgba(123,108,224,.35);transition:background .2s,transform .2s;}
.pl-chrome-cta:hover{background:#7b6ce0;transform:translateY(-1px);}
@media(max-width:1180px){.pl-chrome-pill{display:none;}}
.pl-chrome-foot{background:#16161f;color:#fff;padding:64px 40px 30px;font-family:"游ゴシック体",YuGothic,"Yu Gothic","Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;font-size:14px;}
.pcf-top{max-width:1180px;margin:0 auto;display:flex;gap:40px;align-items:flex-start;justify-content:space-between;flex-wrap:wrap;}
.pcf-brand{font-size:30px;font-weight:800;letter-spacing:.06em;}
.pcf-tag{margin:12px 0 0;color:#9a94b8;line-height:2;font-size:13px;}
.pcf-nav{display:flex;gap:8px 26px;flex-wrap:wrap;font-weight:700;padding-top:8px;}
.pcf-nav a{color:#cfc9e8;text-decoration:none;transition:color .2s;}
.pcf-nav a:hover{color:#fff;}
.pcf-social{display:flex;gap:12px;padding-top:4px;}
.pcf-social a{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid rgba(255,255,255,.32);border-radius:50%;color:#fff;transition:background .2s,border-color .2s;}
.pcf-social a:hover{background:#7b6ce0;border-color:#7b6ce0;}
.pcf-social svg{width:17px;height:15px;}
.pcf-copy{max-width:1180px;margin:44px auto 0;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);color:#8a86a8;font-size:11.5px;letter-spacing:.08em;}

/* 2026-07-14 言語切替(EN/中)は使わない: ハイドレーション時のENフラッシュ防止 */
.header-index__lang{display:none!important;visibility:hidden!important;pointer-events:none!important}