/* ============================================================
   Princess Care — 施術方法（/howto/）と詳細手順ページ（/method-7k2q/）の共通CSS
   prefix: phw-   2026-10-02 page-howto.php の <style> から切り出し
   ============================================================ */
.phw-wrap *{box-sizing:border-box;margin:0;padding:0}
.phw-wrap{font-family:'Noto Sans JP',sans-serif;font-weight:300;line-height:1.8;color:#1e1e1e;margin:0 -20px;overflow-x:hidden}
@media(min-width:768px){.phw-wrap{margin:0 calc(50% - 50vw)}}

/* ─── 共通パーツ ─── */
.phw-inner{padding:56px 24px}
@media(min-width:768px){.phw-inner{padding:72px 48px;max-width:960px;margin:0 auto}}

.phw-lbl{display:inline-flex;align-items:center;gap:10px;font-size:11px;font-weight:400;letter-spacing:.22em;color:#8b6914;text-transform:uppercase;margin-bottom:14px}
.phw-lbl::after{content:'';width:28px;height:1px;background:#8b6914}

.phw-h2{font-family:'Noto Serif JP',serif;font-size:clamp(22px,5vw,32px);font-weight:300;line-height:1.4;color:#1a3a2a;margin-bottom:16px}
.phw-h2 em{font-style:italic;color:#8b6914}
.phw-h2--product{font-size:clamp(26px,5.5vw,38px);font-weight:400;letter-spacing:.06em;margin-bottom:10px;padding-bottom:14px;border-bottom:2px solid rgba(139,105,20,.25)}
.phw-product-title{display:flex;align-items:center;gap:clamp(12px,2.5vw,20px);margin-bottom:10px;padding-bottom:14px;border-bottom:2px solid rgba(139,105,20,.25)}
.phw-sec-vio .phw-product-title{border-bottom-color:rgba(122,90,154,.35)}
.phw-product-icon{width:clamp(44px,11vw,60px);height:clamp(44px,11vw,60px);object-fit:contain;flex-shrink:0;display:block}
.phw-product-title .phw-h2--product{margin-bottom:0;padding-bottom:0;border-bottom:none;flex:1;min-width:0}
.phw-h3{font-family:'Noto Serif JP',serif;font-size:clamp(18px,4vw,24px);font-weight:300;line-height:1.4;color:#1a3a2a;margin-bottom:12px}
.phw-h3--lead{font-size:clamp(20px,4.5vw,30px);margin-top:0;margin-bottom:20px;line-height:1.45}
.phw-h3--lead em{font-style:italic;color:#8b6914}
.phw-sec-vio .phw-h2--product{border-bottom-color:rgba(122,90,154,.35)}
.phw-sec-vio .phw-h3--lead em{color:#7a5a9a}
.phw-p{font-size:14px;line-height:2;color:#6b6658;margin-bottom:12px}
@media(min-width:768px){.phw-p{font-size:15px}}

/* ─── イントロ ─── */
.phw-intro{background:#faf7f0}
.phw-intro-grid{display:grid;grid-template-columns:1fr;gap:2px;margin-top:28px}
@media(min-width:768px){.phw-intro-grid{grid-template-columns:1fr 1fr}}
.phw-intro-card{background:#fff;overflow:hidden}
.phw-intro-card img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block}
.phw-intro-card-body{padding:22px 24px}
.phw-intro-card-name{font-family:'Noto Serif JP',serif;font-size:16px;font-weight:400;color:#1a3a2a;margin-bottom:6px;border-left:2px solid #c8a84e;padding-left:10px}
.phw-intro-card--vio .phw-intro-card-name{border-left-color:#9b7ab8}
.phw-intro-card-sub{font-size:12px;color:#8b6914;letter-spacing:.06em;margin-bottom:10px;display:block}
.phw-intro-card-desc{font-size:13px;line-height:1.9;color:#6b6658}
.phw-intro-jump{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;
  font-size:12px;font-weight:500;letter-spacing:.1em;text-decoration:none;color:#8b6914;
  border-bottom:1px solid rgba(139,105,20,.4);padding-bottom:2px;
  transition:color .2s,border-color .2s;
}
.phw-intro-jump:hover{color:#5c450e;border-bottom-color:#5c450e}
.phw-intro-card--vio .phw-intro-jump{color:#7a5a9a;border-bottom-color:rgba(122,90,154,.45)}
.phw-intro-card--vio .phw-intro-jump:hover{color:#5c4078;border-bottom-color:#5c4078}
#phw-howto-wave,#phw-howto-violette{scroll-margin-top:min(120px,18vh)}

/* ─── 悩みリスト ─── */
.phw-concerns{margin-top:24px}
.phw-concerns-ttl{font-size:12px;font-weight:500;color:#8b6914;letter-spacing:.1em;text-transform:uppercase;margin-bottom:12px}
.phw-concern-list{display:grid;grid-template-columns:1fr;gap:2px}
@media(min-width:768px){.phw-concern-list{grid-template-columns:1fr 1fr}}
.phw-concern-item{background:#faf7f0;padding:12px 16px;display:flex;gap:10px;align-items:flex-start;border-left:2px solid rgba(139,105,20,.3)}
.phw-concern-icon{width:18px;height:18px;background:#8b6914;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:9px;flex-shrink:0;margin-top:2px}
.phw-concern-item p{font-size:13px;line-height:1.8;color:#3a2a0a}

/* ─── セクション区切り（WAVE / Violette） ─── */
.phw-sec-wave{background:#fff}
.phw-sec-vio{background:#fff}
.phw-sec-product-head{display:grid;grid-template-columns:1fr;gap:24px;margin-bottom:28px}
.phw-sec-product-intro{min-width:0}
@media(min-width:768px){
  .phw-sec-product-head{grid-template-columns:minmax(0,300px) 1fr;align-items:start;gap:36px 48px}
}
@media(min-width:900px){
  .phw-sec-product-head{grid-template-columns:minmax(0,340px) 1fr}
}
.phw-sec-product-fig{margin:0;overflow:hidden;background:radial-gradient(ellipse 70% 55% at 50% 42%,rgba(200,168,78,.14) 0%,transparent 55%),linear-gradient(168deg,#f8f0e6 0%,#ede0cc 100%)}
.phw-sec-vio .phw-sec-product-fig{background:radial-gradient(ellipse 70% 55% at 50% 42%,rgba(122,90,154,.12) 0%,transparent 55%),linear-gradient(168deg,#f0ecf8 0%,#e8dff2 100%)}
.phw-sec-product-img{width:100%;height:auto;display:block;object-fit:contain}
@media(min-width:768px){
  .phw-sec-product-fig{padding:12px 16px 16px}
}

/* ─── 施術フロー ─── */
.phw-flow{background:#1a2e0e}
.phw-flow .phw-h2{color:#fff}
.phw-flow .phw-h2 em{color:#dfc06a}
.phw-flow .phw-p{color:rgba(255,255,255,0.72)}
.phw-flow-lead{font-size:14px;color:rgba(255,255,255,0.72);margin-bottom:24px;line-height:1.9}
.phw-video-wrap{margin:0 0 24px}
.phw-video{position:relative;width:100%;max-width:880px;margin:0 auto;aspect-ratio:16/9;background:#0a0f08;border-radius:2px;overflow:hidden;box-shadow:0 10px 40px rgba(0,0,0,.4)}
.phw-flow--vio .phw-video{background:#0d0618}
.phw-video iframe{position:absolute;inset:0;width:100%;height:100%;border:0;display:block}
.phw-video-cap{font-size:12px;color:rgba(255,255,255,0.72);margin-top:10px;line-height:1.65;text-align:center}
.phw-flow--vio .phw-video-cap{color:rgba(255,255,255,0.72)}
.phw-flow-meta{font-size:13px;color:rgba(255,255,255,0.72);margin-top:12px;text-align:right}
.phw-flow-meta strong{color:#c8a84e;font-weight:500}
.phw-flow-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.phw-flow-brand .phw-lbl{margin-bottom:0}
.phw-flow-icon{width:36px;height:36px;object-fit:contain;flex-shrink:0;display:block;opacity:.92}
@media(min-width:768px){.phw-flow-icon{width:40px;height:40px}}
.phw-eyebrow{display:flex;align-items:center;gap:10px;margin-bottom:2px}
.phw-eyebrow-icon{width:28px;height:28px;object-fit:contain;flex-shrink:0;display:block;opacity:.9}
@media(min-width:768px){.phw-eyebrow-icon{width:32px;height:32px}}
.phw-eyebrow .phw-lbl{margin-bottom:0}
.phw-eyebrow .phw-lbl::after{background:currentColor;opacity:.75}
.phw-flow-brand .phw-lbl::after{background:currentColor;opacity:.65}
.phw-intro-card--vio .phw-intro-card-sub{color:#7a5a9a}

/* 3カラムグリッド（正方形写真前提） */
.phw-steps{display:grid;grid-template-columns:1fr;gap:1px;background:rgba(255,255,255,.06);margin-top:24px}
@media(min-width:540px){.phw-steps{grid-template-columns:repeat(2,1fr)}}
@media(min-width:800px){.phw-steps{grid-template-columns:repeat(3,1fr)}}

.phw-step{background:rgba(10,20,6,.65);padding:0;display:flex;flex-direction:column}
.phw-step-img-wrap{position:relative;width:100%;aspect-ratio:1;overflow:hidden;flex-shrink:0}
.phw-step-img{width:100%;height:100%;object-fit:cover;display:block}
.phw-step-badge{position:absolute;top:10px;left:10px;min-width:32px;height:32px;padding:0 8px;background:rgba(26,46,14,.88);color:#c8a84e;font-family:'Noto Serif JP',serif;font-size:13px;font-weight:300;display:flex;align-items:center;justify-content:center;letter-spacing:.04em}
.phw-step-body{padding:18px 20px 22px;flex:1}
.phw-step h3{font-size:13px;font-weight:500;color:#fff;margin-bottom:8px;line-height:1.5}
.phw-step p{font-size:12px;font-weight:300;color:rgba(255,255,255,0.72);line-height:1.85}
.phw-step small{font-size:11px;color:rgba(200,168,78,0.72);display:block;margin-top:6px}

/* ─── ギャラリー ─── */
.phw-gallery{background:#f5f2ec}
.phw-gallery-grid{display:grid;grid-template-columns:1fr;gap:8px;margin-top:22px}
@media(min-width:768px){.phw-gallery-grid{grid-template-columns:repeat(3,1fr);gap:8px}}
.phw-gallery-grid img{width:100%;height:auto;display:block}

/* ─── 使用アイテム ─── */
.phw-items{background:#faf7f0}
.phw-items-note{font-size:13px;color:#9a8f84;background:#f0ebe0;padding:12px 16px;margin-bottom:24px;line-height:1.8;display:flex;align-items:flex-start;gap:8px}
.phw-items-note::before{content:'\2726';color:#8b6914;font-size:9px;flex-shrink:0;padding-top:4px}
.phw-items-grid{display:grid;grid-template-columns:1fr;gap:2px}
@media(min-width:600px){.phw-items-grid{grid-template-columns:repeat(3,1fr)}}
.phw-item-card{background:#fff;overflow:hidden}
.phw-item-img{width:100%;aspect-ratio:1;object-fit:contain;background:radial-gradient(ellipse 70% 60% at 50% 40%,rgba(200,168,78,.12) 0%,transparent 60%),linear-gradient(168deg,#f8f0e6 0%,#ede0cc 100%);padding:24px;display:block}
.phw-item-body{padding:18px 20px}
.phw-item-name{font-family:'Noto Serif JP',serif;font-size:14px;font-weight:400;color:#1a3a2a;margin-bottom:4px;line-height:1.5}
.phw-item-vol{font-size:11px;font-weight:300;color:#9a8f84;display:block;margin-bottom:8px}
.phw-item-desc{font-size:12px;line-height:1.9;color:#6b6658}

/* ─── お試しキット ─── */
.phw-trial{background:#1a3a2a}
.phw-trial .phw-h2{color:#fff}
.phw-trial-lead{font-size:14px;color:rgba(255,255,255,0.72);margin-bottom:28px;line-height:1.9}
.phw-trial-steps{display:grid;grid-template-columns:1fr;gap:2px;margin-top:28px}
@media(min-width:768px){.phw-trial-steps{grid-template-columns:repeat(3,1fr)}}
.phw-trial-step{background:rgba(255,255,255,.06);overflow:hidden}
.phw-trial-step img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block;opacity:.75}
.phw-trial-step-body{padding:18px 20px}
.phw-trial-step-n{font-size:11px;letter-spacing:.18em;color:#c8a84e;margin-bottom:6px;font-weight:400}
.phw-trial-step-desc{font-size:13px;color:rgba(255,255,255,0.72);line-height:1.8}
.phw-trial-cta{margin-top:32px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:12px}
.phw-btn-gold{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  max-width:400px;width:100%;padding:16px 24px;background:#c8a84e;color:#1a3a2a;
  font-size:14px;font-weight:500;letter-spacing:.06em;text-decoration:none;text-align:center;line-height:1.45;
  transition:background .2s;box-sizing:border-box;white-space:normal;
}
.phw-btn-gold:hover{background:#dfc06a;color:#1a3a2a;text-decoration:none}
.phw-btn-gold-t2{font-size:13px;font-weight:500;letter-spacing:.04em;opacity:.95}
@media(min-width:768px){
  .phw-btn-gold{flex-direction:row;flex-wrap:wrap;gap:0.35em;padding:16px 40px}
  .phw-btn-gold-t2{font-size:inherit;letter-spacing:inherit;opacity:1}
}
.phw-btn-store{display:inline-flex;align-items:center;justify-content:center;max-width:400px;width:100%;padding:15px 40px;background:transparent;color:rgba(255,255,255,.78);font-size:14px;font-weight:400;letter-spacing:.06em;text-decoration:none;border:1px solid rgba(200,168,78,.5);transition:border-color .2s,color .2s;box-sizing:border-box}
.phw-btn-store:hover{border-color:#dfc06a;color:#dfc06a;text-decoration:none}

/* ─── Violetteカラーアクセント ─── */
.phw-flow--vio{background:#1a0a2e}
.phw-flow--vio .phw-step{background:rgba(10,5,20,.65)}
.phw-flow--vio .phw-step-badge{background:rgba(26,10,46,.88);color:#b88fe0}

/* ─── セパレーター ─── */
.phw-divider{height:4px;background:linear-gradient(90deg,#1a3a2a 0%,#c8a84e 50%,#1a3a2a 100%)}

/* スティッキーCTA */
.pct-sticky{
  position:fixed;
  bottom:0;left:0;right:0;
  z-index:9999;
  background:#faf7f0;
  border-top:1px solid #f0ebe0;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  display:flex;
  gap:8px;
  transform:translateY(100%);
  transition:transform .4s ease;
  box-shadow:0 -4px 20px rgba(0,0,0,.08);
}
.pct-sticky.pct-show{transform:translateY(0)}
.pct-sticky-main{
  flex:1;
  padding:12px;
  background:#1a3a2a;
  color:#fff;
  font-family:'Noto Sans JP',sans-serif;
  font-size:14px;
  font-weight:500;
  letter-spacing:.06em;
  text-align:center;
  text-decoration:none;
  border:none;
  display:block;
  line-height:1.45;
  -webkit-tap-highlight-color:transparent;
}
.pct-sticky-main:hover{color:#dfc06a;text-decoration:none}
.pct-sticky-sub{
  padding:12px 14px;
  background:transparent;
  color:#6b6658;
  font-family:'Noto Sans JP',sans-serif;
  font-size:14px;
  font-weight:300;
  letter-spacing:.05em;
  text-decoration:none;
  border:1px solid #f0ebe0;
  white-space:nowrap;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
  box-sizing:border-box;
  -webkit-tap-highlight-color:transparent;
}
@media(min-width:768px){
  .pct-sticky{
    padding:10px max(16px, calc(100px + env(safe-area-inset-right, 0px))) calc(10px + env(safe-area-inset-bottom)) 16px;
  }
  .pct-sticky-sub{
    min-width:12.5em;
    padding-left:28px;
    padding-right:28px;
    font-weight:400;
  }
}

/* ━━━ タブ切替（WAVE / Violette）━━━ */
.phw-tabs{position:sticky;top:var(--pc-header-h,64px);z-index:20;display:grid;grid-template-columns:1fr 1fr;background:#fff;border-bottom:1px solid rgba(26,58,42,.12);margin:0 -20px}
@media(min-width:768px){.phw-tabs{margin:0;max-width:720px;margin:0 auto;border:1px solid rgba(26,58,42,.12);border-radius:2px;top:calc(var(--pc-header-h,80px) + 12px)}}
.phw-tab{appearance:none;background:#fff;border:0;border-bottom:3px solid transparent;padding:12px 8px 10px;cursor:pointer;font-family:'Noto Sans JP',sans-serif;color:#6b6658;text-align:center;line-height:1.3;transition:color .2s,border-color .2s,background .2s}
.phw-tab-name{display:block;font-family:'Noto Serif JP',Georgia,serif;font-size:16px;font-weight:400;letter-spacing:.04em}
.phw-tab-sub{display:block;font-size:11px;margin-top:3px;letter-spacing:.02em}
.phw-tab.is-active{color:#1a3a2a;border-bottom-color:#8a9624;background:#f7f8f0}
.phw-tab--vio.is-active{color:#5a3a7a;border-bottom-color:#7a5a9a;background:#f6f2fa}
.phw-tabpanel[hidden]{display:none}


/* ━━━ PC: 内容をヘッダー幅の内側に揃える（2026-09-18） ━━━ */
@media(min-width:768px){
  .pct-sticky{padding-left:max(16px,calc((100% - 1200px)/2));padding-right:max(100px,calc((100% - 1200px)/2))}
}

/* ━━━ 公開用：施術の流れ（簡易版・2026-10-02） ━━━
   /howto/ は流れと所要時間だけ。使用量・温度・時間・動画は詳細ページ（guide-detail.php）へ */
.phw-digest{list-style:none;margin:8px 0 0;padding:0;display:grid;grid-template-columns:1fr;gap:1px;background:rgba(255,255,255,.08)}
.phw-digest li{display:flex;align-items:center;gap:14px;padding:14px 16px;background:rgba(10,20,6,.65);color:#fff;font-size:15px;line-height:1.5}
.phw-digest li>span{flex-shrink:0;width:28px;height:28px;border-radius:50%;background:#c8a84e;color:#1a3a2a;font-size:12px;font-weight:500;display:inline-flex;align-items:center;justify-content:center}
.phw-digest b{font-weight:500;flex-shrink:0;min-width:7.5em}
.phw-digest small{font-size:12px;color:rgba(255,255,255,.72);line-height:1.6}
@media(min-width:800px){
  .phw-digest{grid-template-columns:repeat(3,1fr)}  /* WAVE・Violette とも6ステップ（2026-10-02 WAVE にシーラーを追加） */
  .phw-digest li{flex-direction:column;align-items:flex-start;gap:8px;padding:20px 18px}
  .phw-digest b{min-width:0}
  .phw-flow--vio .phw-digest{grid-template-columns:repeat(3,1fr)}
}
.phw-flow--vio .phw-digest li{background:rgba(10,5,20,.65)}
.phw-flow--vio .phw-digest li>span{background:#b88fe0;color:#1a0a2e}
.phw-guide-note{margin-top:28px;padding:22px 22px 24px;border:1px solid rgba(200,168,78,.45);background:rgba(255,255,255,.04)}
.phw-flow--vio .phw-guide-note{border-color:rgba(184,143,224,.45)}
.phw-guide-note-ttl{font-family:'Noto Serif JP',serif;font-size:17px;font-weight:400;color:#fff;margin-bottom:8px;line-height:1.5}
.phw-guide-note p{font-size:13px;line-height:1.9;color:rgba(255,255,255,.78)}
.phw-guide-note .pc-btn{margin-top:16px;max-width:360px}
.pc-article .phw-guide-note a.pc-btn--line,.pc-article .phw-guide-after a.pc-btn--line{color:#fff;text-decoration:none}

/* ━━━ 詳細ページ（ご購入サロン様向け・guide-detail.php） ━━━ */
.phw-guide-head .phw-h2{font-size:clamp(24px,5.5vw,36px)}
.phw-guide-points{list-style:none;margin:20px 0 0;padding:0;display:grid;gap:2px}
.phw-guide-points li{background:#fff;border-left:2px solid #c8a84e;padding:12px 16px;font-size:13px;line-height:1.9;color:#3a2a0a}
.phw-guide-points li strong{font-weight:500;color:#1a3a2a}
.phw-guide-after .pc-btn{width:100%;max-width:400px}
.phw-guide-hours{margin-top:18px;font-size:12px;line-height:1.8;color:rgba(255,255,255,.65);text-align:center}
.phw-wrap .pc-btn{padding:14px 24px}