/* Layout: a training-log page — sky-blue field, deep "jersey navy" type, yellow used only as the coach's highlighter on key facts */
:root{
  --bg:#F3F7FC; --surface:#FFFFFF; --sky:#DCEBFA; --navy:#16357A; --blue:#2F6FE0;
  --ink:#1B2433; --muted:#5A6678; --line:#D4DFEC; --hi:#FFE15A; --hi-ink:#16357A; --line-green:#06C755;
  --f-display:"Dela Gothic One","Zen Kaku Gothic New","Hiragino Sans",sans-serif;
  --f-body:"Zen Kaku Gothic New","Hiragino Sans","Yu Gothic",sans-serif;
  --f-num:"Barlow Condensed","Zen Kaku Gothic New",sans-serif;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0E1626; --surface:#16213A; --sky:#1B2C4E; --navy:#A9C6FF; --blue:#6EA0FF;
  --ink:#E6ECF6; --muted:#9AA8BF; --line:#2A3A5C; --hi:#F2D24B; --hi-ink:#16233F; --line-green:#2BD873; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0E1626; --surface:#16213A; --sky:#1B2C4E; --navy:#A9C6FF; --blue:#6EA0FF;
  --ink:#E6ECF6; --muted:#9AA8BF; --line:#2A3A5C; --hi:#F2D24B; --hi-ink:#16233F; --line-green:#2BD873; color-scheme:dark}

*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.8;letter-spacing:.02em}
a{color:var(--blue)}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px;border-radius:4px}
.wrap{max-width:1080px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
section{padding-block:72px}
h1,h2,h3{text-wrap:balance;margin:0;line-height:1.35}
h2{font-family:var(--f-display);font-weight:400;font-size:clamp(26px,4.4vw,38px);color:var(--navy);letter-spacing:.04em}
.eyebrow{font-weight:700;font-size:13px;letter-spacing:.18em;color:var(--blue);margin-bottom:10px;display:block}
.lead{color:var(--muted);max-width:40em;margin:14px 0 0}
mark{background:linear-gradient(transparent 58%,var(--hi) 58%);color:inherit;padding:0 2px}
.sec-head{margin-bottom:36px}

/* header */
header{position:sticky;top:env(safe-area-inset-top,0px);z-index:10;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;gap:20px;padding-block:10px}
.logo{font-family:var(--f-display);font-size:26px;color:var(--navy);text-decoration:none;letter-spacing:.06em;line-height:1}
.logo small{display:block;font-family:var(--f-body);font-size:10px;letter-spacing:.08em;color:var(--muted);font-weight:500;margin-top:4px}
nav{display:flex;gap:18px;margin-left:auto;flex-wrap:wrap}
nav a{color:var(--ink);text-decoration:none;font-size:14px;font-weight:500}
nav a:hover{color:var(--blue)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;text-decoration:none;border-radius:999px;padding:12px 22px;font-size:15px;line-height:1.2;transition:transform .15s}
.btn:hover{transform:translateY(-1px)}
.btn-line{background:var(--line-green);color:#fff}
.btn-ghost{border:2px solid var(--navy);color:var(--navy)}
header .btn{padding:9px 16px;font-size:13px}


/* hero */
.hero{padding-block:48px 64px;background:linear-gradient(160deg,var(--sky),var(--bg) 70%)}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center}
.hero-grid>*{min-width:0}
.hero h1{font-family:var(--f-display);font-weight:400;color:var(--navy);font-size:clamp(34px,6vw,60px);letter-spacing:.03em;line-height:1.25}
.hero h1 .big{font-size:1.25em}
.hero p.sub{font-size:17px;margin:18px 0 26px;max-width:30em}
.cta-row{display:flex;flex-wrap:wrap;gap:12px}
.badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px;padding:0;list-style:none}
.badges li{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:4px 12px;font-size:13px;font-weight:700;color:var(--navy)}
.hero-fig{position:relative}
.hero-fig img{display:block;width:100%;border-radius:14px;aspect-ratio:960/506;object-fit:cover}
.stamp{position:absolute;right:-10px;bottom:-26px;width:124px;height:124px;border-radius:50%;background:var(--hi);color:var(--hi-ink);display:grid;place-content:center;text-align:center;font-weight:900;line-height:1.2;transform:rotate(-8deg);box-shadow:0 6px 18px rgb(0 0 0 / .12)}
.stamp b{font-family:var(--f-num);font-size:40px;display:block}
.stamp span{font-size:12px}
@media (max-width:820px){.hero-grid{grid-template-columns:1fr}.stamp{right:6px;width:104px;height:104px}.stamp b{font-size:32px}}

/* campaign */
.campaign{background:var(--navy);color:var(--bg);padding-block:18px}
.campaign .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:8px 24px;justify-content:center;text-align:center}
.campaign s{opacity:.7}
.campaign strong{font-family:var(--f-num);font-size:30px;color:var(--hi);margin:0 4px}
.campaign .tag{background:var(--hi);color:var(--hi-ink);font-weight:900;font-size:13px;border-radius:4px;padding:2px 10px}

/* worries */
.worries{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding:0;list-style:none;margin:0}
.worries li{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:22px;font-weight:700;position:relative;min-width:0}
.worries li::before{content:"";display:block;width:28px;height:4px;background:var(--blue);border-radius:2px;margin-bottom:12px}
.answer{margin-top:28px;font-size:clamp(18px,2.6vw,22px);font-weight:900;color:var(--navy)}
@media (max-width:820px){.worries{grid-template-columns:1fr}}

/* about */
.about{background:var(--surface)}
.acronym{display:grid;gap:10px;margin:0;padding:0;list-style:none}
.acronym li{display:flex;align-items:baseline;gap:6px;font-family:var(--f-num);font-size:clamp(34px,6vw,52px);font-weight:700;color:var(--navy);letter-spacing:.04em;line-height:1}
.acronym li b{color:var(--blue)}
.acronym li span{font-family:var(--f-body);font-size:14px;color:var(--muted);font-weight:500;margin-left:10px;letter-spacing:.06em}
.split{display:grid;grid-template-columns:1fr 1.2fr;gap:48px;align-items:center}
.split>*{min-width:0}
@media (max-width:820px){.split{grid-template-columns:1fr;gap:28px}}

.powers{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:20px 0 0}
.powers li{background:var(--navy);color:var(--bg);font-weight:700;font-size:14px;border-radius:6px;padding:6px 14px}

/* story */
.story-tl{display:grid;grid-template-columns:1fr auto 1fr;gap:0 20px;max-width:960px;margin:0 auto}
.story-tl>*{min-width:0}
.col-head{font-weight:900;font-size:13px;letter-spacing:.14em;color:var(--blue);padding-bottom:12px}
.col-head.l{text-align:right}
.st-row{display:contents}
.st-l,.st-r{padding:14px 0;font-size:14px;border-top:1px dashed var(--line)}
.st-l{text-align:right;color:var(--ink)}
.st-age{display:flex;flex-direction:column;align-items:center;justify-content:flex-start;padding:12px 0;border-top:1px dashed var(--line);min-width:84px;text-align:center}
.st-age b{font-family:var(--f-num);font-size:20px;color:var(--navy);line-height:1.2}
.st-age span{font-size:11px;color:var(--muted)}
.ok{display:inline-block;background:var(--hi);color:var(--hi-ink);font-weight:900;font-size:12px;border-radius:4px;padding:0 6px;margin-right:4px}
.story-end{text-align:center;margin-top:32px;font-weight:900;color:var(--navy);font-size:clamp(17px,2.4vw,20px)}
.start{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;list-style:none;padding:0;margin:48px 0 0;counter-reset:b}
.start li{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:20px;counter-increment:b;min-width:0;font-size:14px}
.start li::before{content:counter(b);font-family:var(--f-num);font-weight:700;font-size:28px;color:var(--blue);display:block;line-height:1}
.start li b{display:block;color:var(--navy);font-size:16px;margin:6px 0 4px}
@media (max-width:820px){
  .story-tl{grid-template-columns:1fr;gap:0}
  .col-head{display:none}
  .st-age{flex-direction:row;gap:8px;align-items:baseline;justify-content:flex-start;padding:16px 0 4px}
  .st-l,.st-r{text-align:left;border-top:none;padding:4px 0}
  .st-l:empty,.st-r:empty{display:none}
  .st-l::before{content:"勉強｜";color:var(--blue);font-weight:700}
  .st-r::before{content:"スポーツ｜";color:var(--blue);font-weight:700}
  .start{grid-template-columns:1fr}
}

/* reasons */
.reasons{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.reason{background:var(--surface);border-radius:14px;padding:26px;border:1px solid var(--line);min-width:0}
.reason h3{font-size:20px;color:var(--navy);margin-bottom:10px}
.reason ul{margin:0;padding-left:1.1em;color:var(--muted);font-size:15px}
.more-reasons{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px;padding:0;list-style:none}
.more-reasons li{border:1px dashed var(--blue);color:var(--navy);border-radius:999px;padding:4px 14px;font-size:14px;font-weight:500}
@media (max-width:820px){.reasons{grid-template-columns:1fr}}

/* flow */
.flow{background:var(--sky)}
.flow-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.flow-grid>*{min-width:0}
.days{display:inline-flex;gap:6px;margin-bottom:22px;align-items:center;font-weight:700}
.days i{font-style:normal;background:var(--navy);color:var(--bg);width:34px;height:34px;display:grid;place-content:center;border-radius:50%}
ol.timeline{list-style:none;margin:0;padding:0;border-left:3px solid var(--navy);margin-left:8px}
ol.timeline li{position:relative;padding:0 0 22px 24px}
ol.timeline li::before{content:"";position:absolute;left:-9px;top:8px;width:15px;height:15px;border-radius:50%;background:var(--surface);border:3px solid var(--navy)}
.time{font-family:var(--f-num);font-weight:700;font-size:22px;color:var(--navy);font-variant-numeric:tabular-nums;display:block;line-height:1.3}
.timeline p{margin:2px 0 0;font-size:15px}
.timeline .focus{background:var(--surface);border-radius:10px;padding:10px 14px;margin-top:8px;font-size:14px;color:var(--muted)}
.note{font-size:13px;color:var(--muted);margin-top:6px}

/* plan sheet */
.sheet{background:var(--surface);border-radius:12px;padding:20px;border:1px solid var(--line)}
.sheet h3{font-size:17px;color:var(--navy);margin-bottom:4px}
.sheet .scroll{overflow-x:auto;margin-top:12px}
.sheet table{border-collapse:collapse;width:100%;min-width:420px;font-size:13px}
.sheet th,.sheet td{border:1px solid var(--line);padding:6px 8px;text-align:left;vertical-align:top}
.sheet th{background:var(--sky);color:var(--navy);font-weight:700;white-space:nowrap}
.sheet td.d{font-family:var(--f-num);font-weight:700;font-size:15px;white-space:nowrap}
.sheet .ysa{background:color-mix(in srgb,var(--hi) 55%,transparent);font-weight:700}
.sheet .done{color:var(--blue);font-weight:700}
@media (max-width:820px){.flow-grid{grid-template-columns:1fr}}

/* cases */
.cases{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px}
.case{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:22px;display:flex;flex-direction:column;gap:10px;min-width:0}
.case .who{display:flex;gap:8px;flex-wrap:wrap}
.case .who span{font-size:12px;font-weight:700;background:var(--sky);color:var(--navy);border-radius:4px;padding:2px 8px}
.case h3{font-size:18px;color:var(--navy)}
.case dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:6px 12px;font-size:14px}
.case dt{font-weight:700;color:var(--blue);white-space:nowrap}
.case dd{margin:0;min-width:0}
.model{font-size:13px;color:var(--muted);margin-top:16px}

/* results */
.results{background:var(--navy);color:var(--bg)}
.results h2,.results .eyebrow{color:var(--bg)}
.results .eyebrow{opacity:.75}
.res-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.res-grid>*{min-width:0}
.res-num{font-family:var(--f-num);font-weight:700;font-size:clamp(40px,6vw,56px);line-height:1.1;color:var(--hi)}
.res-num small{font-size:.45em;color:var(--bg)}
.res-grid p{margin:4px 0 0;font-size:14px;opacity:.9}
.pass{margin-top:40px;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;font-size:14px}
.pass>*{min-width:0}
.pass h3{font-size:14px;letter-spacing:.1em;margin-bottom:6px;color:var(--hi)}
.pass ul{margin:0;padding-left:1.1em}
@media (max-width:820px){.res-grid,.pass{grid-template-columns:1fr}}

/* teachers */
.teachers{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.teacher{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:22px;min-width:0}
.teacher .ini{width:56px;height:56px;border-radius:50%;background:var(--sky);color:var(--navy);display:grid;place-content:center;font-family:var(--f-num);font-weight:700;font-size:20px;margin-bottom:12px}
.teacher h3{font-size:16px;color:var(--navy)}
.teacher .uni{font-size:13px;color:var(--muted)}
.teacher ul{font-size:13px;padding-left:1.1em;margin:10px 0}
.teacher blockquote{margin:0;font-size:14px;border-left:3px solid var(--hi);padding-left:10px}
@media (max-width:820px){.teachers{grid-template-columns:1fr}}

/* price */
.price-wrap{overflow-x:auto;background:var(--surface);border-radius:14px;border:1px solid var(--line)}
table.price{border-collapse:collapse;width:100%;min-width:560px;font-size:14px}
.price th,.price td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:center}
.price th:first-child,.price td:first-child{text-align:left}
.price thead th{background:var(--navy);color:var(--bg);font-size:15px}
.price thead th small{display:block;font-weight:400;font-size:12px;opacity:.85}
.price .yes{color:var(--blue);font-weight:900;font-size:18px}
.price .no{color:var(--muted)}
.price .fee td{font-family:var(--f-num);font-size:18px;font-weight:700;font-variant-numeric:tabular-nums}
.price .main td{background:color-mix(in srgb,var(--hi) 30%,transparent)}
.price .main td strong{font-size:26px;color:var(--navy)}
.price .main s{font-size:13px;color:var(--muted);font-weight:500;margin-right:6px}
.price-notes{font-size:13px;color:var(--muted);margin-top:12px}
.entry{margin-top:20px;display:flex;flex-wrap:wrap;gap:8px 20px;align-items:baseline;font-weight:700}
.entry strong{font-family:var(--f-num);font-size:30px;color:var(--navy)}

/* faq */
.faq{display:grid;gap:10px;max-width:820px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:0 18px}
.faq summary{cursor:pointer;font-weight:700;padding:16px 0;color:var(--navy);list-style:none;display:flex;gap:10px}
.faq summary::before{content:"Q";font-family:var(--f-num);color:var(--blue);font-size:20px;line-height:1.3}
.faq details p{margin:0 0 16px;font-size:15px}
.faq-group{font-size:14px;letter-spacing:.12em;color:var(--blue);margin:22px 0 2px}
.faq-group:first-child{margin-top:0}

/* contact */
.contact{background:linear-gradient(160deg,var(--sky),var(--bg))}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;list-style:none;padding:0;margin:0 0 36px;counter-reset:s}
.steps li{background:var(--surface);border-radius:12px;padding:16px;border:1px solid var(--line);counter-increment:s;font-weight:700;color:var(--navy);min-width:0}
.steps li::before{content:"STEP " counter(s);display:block;font-family:var(--f-num);color:var(--blue);font-size:14px;letter-spacing:.1em}
.steps li span{display:block;font-weight:400;font-size:13px;color:var(--muted)}
@media (max-width:820px){.steps{grid-template-columns:1fr 1fr}}
.contact-box{background:var(--surface);border-radius:16px;padding:32px;border:2px solid var(--navy);display:grid;grid-template-columns:1.3fr 1fr;gap:28px;align-items:center}
.contact-box>*{min-width:0}
.contact-box .btn-line{font-size:18px;padding:16px 28px}
.other{font-size:14px;display:grid;gap:8px}
.mail{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.mail code{font-family:var(--f-body);background:var(--sky);padding:4px 10px;border-radius:6px;user-select:all;word-break:break-all}
.mail button{font:inherit;font-size:13px;border:1px solid var(--line);background:var(--bg);color:var(--ink);border-radius:6px;padding:4px 10px;cursor:pointer}
@media (max-width:820px){.contact-box{grid-template-columns:1fr;padding:22px}}

footer{padding-block:28px;font-size:13px;color:var(--muted);border-top:1px solid var(--line)}
footer .wrap{display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between}
@media (prefers-reduced-motion:reduce){.btn{transition:none}}

/* site additions */
html,body{margin:0}
img{max-width:100%;height:auto}
[hidden]{display:none!important}
html{scroll-padding-top:120px}
.skip{position:absolute;left:-999px;top:0}
.skip:focus{left:16px;top:8px;background:var(--surface);padding:8px 12px;z-index:20}
nav a[aria-current="page"]{color:var(--blue);font-weight:900}
@media (max-width:900px){
  header .wrap{flex-wrap:wrap;row-gap:6px}
  header .btn{margin-left:auto}
  nav{order:3;width:100%;margin-left:0;flex-wrap:nowrap;overflow-x:auto;gap:16px;padding-bottom:4px;-webkit-overflow-scrolling:touch;scrollbar-width:none}
  nav::-webkit-scrollbar{display:none}
  nav a{white-space:nowrap;font-size:13px}
}
.page-hero{padding-block:44px 40px;background:linear-gradient(160deg,var(--sky),var(--bg) 70%)}
.page-hero h1{font-family:var(--f-display);font-weight:400;color:var(--navy);font-size:clamp(28px,5vw,44px);letter-spacing:.04em}
.page-hero p{color:var(--muted);max-width:40em;margin:12px 0 0}
.crumbs{font-size:12px;color:var(--muted);margin-bottom:14px;display:flex;gap:6px;flex-wrap:wrap;list-style:none;padding:0}
.crumbs li+li::before{content:"›";margin-right:6px}
.crumbs a{color:var(--muted)}
.more{margin-top:28px}
.more a{font-weight:700;text-decoration:none;border-bottom:2px solid var(--blue);padding-bottom:2px}
.case a.case-link{margin-top:auto;font-weight:700;font-size:14px;text-decoration:none}
.case-full{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:28px;display:grid;gap:14px;scroll-margin-top:120px}
.case-full + .case-full{margin-top:20px}
.case-full h2{font-size:clamp(20px,3vw,26px)}
.case-full .who{display:flex;gap:8px;flex-wrap:wrap}
.case-full .who span{font-size:12px;font-weight:700;background:var(--sky);color:var(--navy);border-radius:4px;padding:2px 8px}
.case-full dl{margin:0;display:grid;grid-template-columns:8.5em 1fr;gap:10px 16px}
.case-full dt{font-weight:700;color:var(--blue)}
.case-full dd{margin:0;min-width:0}
@media (max-width:600px){.case-full dl{grid-template-columns:1fr;gap:2px}.case-full dd{margin-bottom:10px}}
.teacher .tag{display:inline-block;font-size:12px;font-weight:700;color:var(--blue);margin-bottom:6px}
footer .wrap{align-items:flex-start}
footer nav.fnav{display:flex;flex-wrap:wrap;gap:6px 16px;order:0;width:auto;overflow:visible;margin:0}
footer nav.fnav a{font-size:13px;color:var(--muted)}
.notfound{padding-block:96px;text-align:center}
.shot{margin:0;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px;min-width:0}
.shot img{display:block;width:100%;height:auto;border-radius:6px;background:#fff}
.shot figcaption{font-size:14px;color:var(--muted);margin-top:10px;line-height:1.7}
.shot figcaption b{display:block;color:var(--navy);font-size:15px}
.shot.plan img{max-height:640px;width:auto;margin:0 auto}
.shots{display:grid;gap:24px}
.sec-head .powers{margin-top:18px}