:root{--paper:#FAF7F2;--card:#FFFFFF;--soft:#F0EBE3;--ink:#0E1B2E;--ink2:#4A5A6E;--line:#E6DCCD;--accent:#C8873A}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:24px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:'Noto Sans JP',sans-serif;font-size:16px;line-height:1.95;overflow-wrap:anywhere;-webkit-text-size-adjust:100%}
a{color:inherit;text-underline-offset:5px}
img{max-width:100%;height:auto;display:block}
.site-header{padding:14px 5%;display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line)}
.brand img{width:96px}
.header-link{white-space:nowrap;font-size:14px}
main{max-width:880px;margin:0 auto}
section{padding:80px 40px;border-bottom:1px solid var(--line)}
.eyebrow{font-size:14px;font-weight:500;letter-spacing:.06em;color:var(--ink2);margin:0 0 12px}
h1,h2,h3{font-family:'Noto Serif JP',serif;font-weight:600;line-height:1.55;letter-spacing:.01em}
h1{font-size:clamp(34px,7vw,60px);margin:24px 0}
h1 em{font-style:normal;color:var(--accent)}
h2{font-size:clamp(25px,4.6vw,36px);margin:0 0 28px}
h3{font-size:20px;margin:0 0 6px}
p{margin:0 0 20px}
.small{font-size:13px;color:var(--ink2);line-height:1.8}
.hero{padding-top:56px}
.hero-pre{font-family:'Noto Serif JP',serif;font-size:clamp(17px,3.4vw,21px);line-height:1.9;margin:0}
.hero-sub{color:var(--ink)}
.hero-facts,.schedule,.price{margin:28px 0}
.hero-facts>div,.schedule>div{display:grid;grid-template-columns:96px 1fr;gap:12px;padding:12px 0;border-top:1px solid var(--line)}
.hero-facts>div:last-child,.schedule>div:last-child{border-bottom:1px solid var(--line)}
dt{color:var(--ink2);font-size:14px}
dd{margin:0}
.button{display:flex;justify-content:space-between;align-items:center;gap:14px;max-width:440px;margin-top:24px;padding:18px 22px;background:var(--ink);color:var(--paper);text-decoration:none;font-weight:500}
.button:hover{background:var(--ink2)}
.button[aria-disabled="true"]{background:var(--ink2);pointer-events:none}
.status-note{font-weight:700;margin:16px 0 0}
.results{list-style:none;padding:0;margin:0 0 28px}
.results li{padding:16px 0;border-top:1px solid var(--line)}
.results li:last-child{border-bottom:1px solid var(--line)}
.results span{display:block;font-size:14px;color:var(--ink2)}
.results strong{font-family:'Noto Serif JP',serif;font-size:clamp(24px,5vw,32px);font-weight:600;line-height:1.5}
.phases{list-style:none;padding:0;margin:8px 0 28px;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}
.phases li{background:var(--card);border:1px solid var(--line);padding:14px 8px;text-align:center;font-family:'Noto Serif JP',serif;font-size:16px;line-height:1.5}
.phases span{display:block;font-family:'Noto Sans JP',sans-serif;font-size:12px;color:var(--ink2)}
.check{list-style:none;padding:0;margin:0 0 24px}
.check li{padding:12px 0 12px 28px;border-top:1px solid var(--line);position:relative}
.check li:last-child{border-bottom:1px solid var(--line)}
.check li::before{content:"";position:absolute;left:4px;top:24px;width:12px;height:2px;background:var(--ink)}
.contents{list-style:none;padding:0;margin:0 0 24px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.contents li{background:var(--card);border:1px solid var(--line);padding:20px}
.contents p{margin:0;font-size:15px}
.contents strong{font-size:22px;font-family:'Noto Serif JP',serif}
.courses{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.course{background:var(--card);border:1px solid var(--line);padding:24px}
.course h3 span{display:inline-block;width:32px;height:32px;line-height:32px;text-align:center;margin-right:10px;background:var(--ink);color:var(--paper);font-family:'Noto Sans JP',sans-serif;font-size:16px}
.course p{font-size:15px}
.price{margin:16px 0 0}
.price>div{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:10px 0;border-top:1px solid var(--line)}
.price strong{font-family:'Noto Serif JP',serif;font-size:24px}
.price dd{font-size:13px;color:var(--ink2);text-align:right}
.price dd strong{color:var(--ink)}
.plain{padding-left:1.2em;margin:0 0 8px;font-size:15px}
.cap{font-size:13px;color:var(--ink2);margin:12px 0 0}
.compare{margin:20px 0}
.notes{background:var(--soft);padding:20px 22px;font-size:15px}
.notes p:last-child{margin:0}
.steps{list-style:none;padding:0;margin:0 0 8px}
.steps li{display:grid;grid-template-columns:40px 1fr;gap:8px;padding:14px 0;border-top:1px solid var(--line)}
.steps li:last-child{border-bottom:1px solid var(--line)}
.steps li>span{font-family:'Noto Serif JP',serif;font-size:20px;color:var(--ink2)}
.sub-cta{margin-top:20px;font-size:15px}
.profile{display:grid;grid-template-columns:200px 1fr;gap:28px;align-items:start}
.profile img{width:200px;aspect-ratio:1/1;object-fit:cover}
.role{color:var(--ink2);font-size:14px;margin:0}
.profile h2{margin-bottom:16px}
details{border-top:1px solid var(--line);padding:4px 0}
details:last-of-type{border-bottom:1px solid var(--line)}
summary{cursor:pointer;padding:14px 0;font-weight:500}
details p{margin:0 0 16px;color:var(--ink)}
.closing .next{margin-top:28px;font-size:14px;color:var(--ink2)}
.site-footer{padding:40px 5%;font-size:14px;color:var(--ink2)}
.site-footer nav{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:8px}
@media (max-width:640px){
  section{padding:56px 16px}
  .site-header{padding:12px 16px}
  .brand img{width:80px}
  .phases{grid-template-columns:1fr;gap:6px}
  .phases li{display:flex;align-items:center;gap:14px;text-align:left;padding:10px 14px}
  .phases span{font-size:13px}
  .contents,.courses{grid-template-columns:1fr}
  .profile{grid-template-columns:1fr}
  .profile img{width:160px}
  .hero-facts>div,.schedule>div{grid-template-columns:84px 1fr}
  .site-footer{padding:32px 16px}
}
.nw{display:inline-block}
br.sp{display:none}
h1,h2,h3,p,li,dd,summary{text-wrap:pretty;word-break:auto-phrase}
@media (max-width:640px){br.sp{display:inline}}
h1{font-size:clamp(28px,8.4vw,60px)}
h1 em{display:inline-block}
.price dt{white-space:nowrap}
.lead-in{font-family:'Noto Serif JP',serif;font-size:clamp(18px,3.6vw,22px);line-height:1.9;margin:0 0 28px}
.lead-in strong{font-weight:600}
/* v6 リッチ化：紺の帯（予告編の調子）と、中身を見せる区画 */
:root{--navy:#0E1B2E;--gold:#FFC400}
.dark{background:var(--navy);color:var(--paper);border-bottom:0}
.dark .eyebrow,.dark dt,.dark .small{color:#B9C3D1}
.dark h1 em,.dark h2 em{color:var(--gold)}
.dark .hero-facts>div{border-color:#2A3A52}
.dark .button{background:var(--gold);color:var(--navy);font-weight:700}
.dark .button:hover{background:#FFD54A}
.dark .results li{border-color:#2A3A52}
.dark .results span{color:#B9C3D1}
.dark .results strong{color:var(--paper)}
main{max-width:none}
main>section{padding-left:max(40px,calc((100% - 880px)/2));padding-right:max(40px,calc((100% - 880px)/2))}
.hero{position:relative;overflow:hidden}
.hero>*{position:relative}
.hero-bg{position:absolute!important;inset:0;background:url(assets/wall-theory.jpg) center/cover;opacity:.16}
.site-header{background:var(--paper)}
h2 em{font-style:normal;color:var(--accent)}
.reasons{list-style:none;padding:0;margin:0;display:grid;gap:14px}
.reasons li{display:grid;grid-template-columns:56px 1fr;gap:12px;background:var(--card);border:1px solid var(--line);padding:22px}
.reasons li>span{font-family:'Noto Serif JP',serif;font-size:28px;line-height:1.2;color:var(--ink2)}
.reasons p{margin:0;font-size:15px}
.gallery{list-style:none;padding:0;margin:0 0 28px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.gallery img{width:100%;border:1px solid var(--line);background:var(--card)}
.present{background:var(--soft);padding:20px 22px}
.present p{margin:0 0 8px}
.text-link{font-weight:500}
.volume{display:grid;gap:12px;margin:0 0 24px}
.volume figure{margin:0;position:relative;overflow:hidden;background:var(--navy)}
.volume img{width:100%;height:140px;object-fit:cover;opacity:.55}
.volume figcaption{position:absolute;left:20px;bottom:14px;color:var(--paper);font-family:'Noto Serif JP',serif;font-size:18px}
.volume figcaption strong{font-size:44px;margin:0 4px 0 10px;color:var(--paper)}
.curriculum{list-style:none;padding:0;margin:0}
.curriculum li{display:grid;grid-template-columns:72px 1fr;gap:12px;padding:16px 0;border-top:1px solid var(--line)}
.curriculum li:last-child{border-bottom:1px solid var(--line)}
.curriculum li>span{font-size:13px;color:var(--ink2);padding-top:4px}
.curriculum h3{font-size:19px;margin:0 0 2px}
.curriculum p{margin:0;font-size:15px}
@media (max-width:640px){
  main>section{padding-left:16px;padding-right:16px}
  .gallery{grid-template-columns:1fr}
  .reasons li{grid-template-columns:44px 1fr;padding:18px}
  .curriculum li{grid-template-columns:56px 1fr}
  .volume img{height:110px}
  .volume figcaption strong{font-size:36px}
}
.dark .hero-sub,.dark p,.dark dd{color:var(--paper)}
.dark .small{color:#B9C3D1}
.volume img{display:block}
.dark .next{color:#B9C3D1}
/* v9 かっこよく：動画・種目一覧・下の固定ボタン・数字の見せ方 */
.dark .results strong{color:var(--gold);font-size:clamp(28px,6.4vw,40px)}
.hero h1{font-size:clamp(34px,9.6vw,68px);letter-spacing:.02em}
.hero-pre{font-size:clamp(18px,4.2vw,24px);font-weight:600}
.movie{padding-top:40px;padding-bottom:40px}
.movie video{width:100%;aspect-ratio:16/9;background:#000;display:block}
#drills>p{margin-bottom:24px}
.drill-phase{background:var(--card);border:1px solid var(--line);margin:0 0 10px;padding:0 18px}
.drill-phase summary{display:grid;grid-template-columns:60px 1fr auto;align-items:center;gap:8px;font-family:'Noto Serif JP',serif;font-size:19px;font-weight:600;padding:16px 0;list-style:none}
.drill-phase summary::-webkit-details-marker{display:none}
.drill-phase summary span{font-family:'Noto Sans JP',sans-serif;font-size:13px;font-weight:500;color:var(--ink2)}
.drill-phase summary em{font-style:normal;font-family:'Noto Sans JP',sans-serif;font-size:14px;color:var(--accent);font-weight:700}
.drill-phase summary::after{content:"＋";color:var(--ink2);margin-left:10px}
.drill-phase[open] summary::after{content:"－"}
.drill-phase h4{font-size:14px;color:var(--ink2);margin:6px 0 4px;font-weight:500}
.drill-phase ul{list-style:none;padding:0;margin:0 0 14px;display:flex;flex-wrap:wrap;gap:6px}
.drill-phase li{font-size:13px;line-height:1.5;padding:5px 10px;background:var(--soft);border-radius:2px}
details.drill-phase:last-of-type{border-bottom:1px solid var(--line)}
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:var(--navy);color:var(--paper);transform:translateY(110%);transition:transform .25s ease}
.sticky-cta.show{transform:none}
.sticky-cta p{margin:0;font-size:13px;line-height:1.4}
.sticky-cta p span:first-child{color:#B9C3D1;margin-right:6px}
.sticky-cta .button{margin:0;padding:12px 18px;min-width:150px;background:var(--gold);color:var(--navy);font-weight:700}
@media (prefers-reduced-motion:reduce){.sticky-cta{transition:none}}
@media (min-width:641px){.sticky-cta{display:none}}
.drill-phase summary{grid-template-columns:60px 1fr auto auto}
@media (max-width:640px){body{padding-bottom:72px}}
.hero h1{font-size:clamp(28px,8.4vw,68px)}
.drill-phase summary>*{white-space:nowrap}
@media (max-width:640px){
  .drill-phase{padding:0 12px}
  .drill-phase summary{grid-template-columns:48px 1fr auto auto;font-size:17px}
  .drill-phase li{font-size:12px;padding:4px 8px}
}
.drill-phase summary b{font-weight:600;white-space:nowrap}

/* v13 種目一覧を表に（一覧は最初は閉じる） */
.table-wrap{overflow-x:auto}
.drill-summary,.drill-table{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--line);font-size:15px}
.drill-summary th,.drill-summary td,.drill-table th,.drill-table td{padding:10px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.drill-summary thead th,.drill-table thead th{font-size:12px;font-weight:500;color:var(--ink2);background:var(--soft)}
.drill-summary tbody th{font-weight:500;color:var(--ink2);font-size:13px;width:64px}
.drill-summary td:nth-child(2){font-family:'Noto Serif JP',serif;font-weight:600;font-size:17px}
.drill-summary tfoot th,.drill-summary tfoot td{font-weight:700}
.num{text-align:right!important;white-space:nowrap;font-variant-numeric:tabular-nums}
.drill-summary .num{color:var(--accent);font-weight:700}
.drill-list{margin-top:16px;border:1px solid var(--line);background:var(--card)}
.drill-list>summary{cursor:pointer;padding:16px 18px;font-weight:700;list-style:none;display:flex;justify-content:space-between;align-items:center}
.drill-list>summary::-webkit-details-marker{display:none}
.drill-list>summary::after{content:"＋";color:var(--ink2)}
.drill-list[open]>summary::after{content:"－"}
.drill-list .drill-table{border:0;border-top:1px solid var(--line);font-size:14px}
.drill-table td.num{width:48px;color:var(--ink2);font-size:12px}
.drill-table .phase-row th{background:var(--navy);color:var(--paper);font-family:'Noto Serif JP',serif;font-size:16px;font-weight:600}
.drill-table .group-row td{background:var(--soft);font-size:12px;color:var(--ink2);padding:6px 14px}
@media (max-width:640px){.drill-summary th,.drill-summary td,.drill-table th,.drill-table td{padding:9px 10px}}
.drill-summary th,.drill-summary td{vertical-align:middle}
.drill-table .jp{display:block}
.drill-table .en{display:block;font-size:12px;color:var(--ink2);font-family:"Noto Sans JP",sans-serif;letter-spacing:.01em}