:root{--ink:#0d0d0d;--ink2:#1a1a1a;--paper:#fff;--soft:#f6f4ef;--gold:#b39256;--gold2:#d4bb84;--line:#e6e0d3;--muted:#6b6b6b;--serif:"Noto Serif JP","Hiragino Mincho ProN",serif;--sans:"Noto Sans JP","Hiragino Kaku Gothic ProN",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--paper);line-height:1.95;letter-spacing:.04em;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}a{color:inherit}
.wrap{width:min(1120px,92vw);margin:0 auto}.narrow{width:min(760px,92vw);margin:0 auto}.center{text-align:center}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.5;letter-spacing:.08em;margin:0 0 .8em}
h2{font-size:clamp(1.5rem,3vw,2.1rem)}h3{font-size:1.2rem}
p{margin:0 0 1.2em}
.eyebrow{font-family:var(--serif);color:var(--gold);letter-spacing:.3em;font-size:.82rem;margin-bottom:1em;display:flex;align-items:center;gap:.8em}
.center .eyebrow{justify-content:center}
.eyebrow::before{content:"";width:28px;height:1px;background:var(--gold)}
.center .eyebrow::after{content:"";width:28px;height:1px;background:var(--gold)}
section{padding:clamp(64px,10vw,120px) 0}
.dark{background:var(--ink);color:#eee}.dark .muted{color:#a9a9a9}.soft{background:var(--soft)}
.muted{color:var(--muted)}.small{font-size:.88rem}
/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(13,13,13,.94);backdrop-filter:blur(6px);color:#fff;border-bottom:1px solid rgba(179,146,86,.35)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.brand{text-decoration:none;display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-family:var(--serif);font-size:1.35rem;letter-spacing:.12em}.brand-name b{color:var(--gold2);font-weight:600}
.brand-sub{font-size:.68rem;color:#b9b9b9;letter-spacing:.14em;margin-top:4px}
.site-nav{display:flex;align-items:center;gap:clamp(10px,1.4vw,22px);font-size:.88rem;white-space:nowrap}
.site-nav a{white-space:nowrap;flex-shrink:0}
.brand{flex-shrink:0}
.site-nav a{text-decoration:none;color:#e9e9e9;padding:6px 0;border-bottom:1px solid transparent}
.site-nav a:hover,.site-nav a[aria-current]{color:var(--gold2);border-color:var(--gold)}
.site-nav .lang{font-family:var(--serif);font-size:.8rem;border:1px solid #555;padding:2px 10px;border-radius:2px}
.nav-toggle,.nav-button{display:none}
/* buttons */
.btn{display:inline-block;text-decoration:none;font-family:var(--serif);letter-spacing:.14em;padding:15px 34px;border:1px solid var(--gold);background:var(--gold);color:#111;transition:.2s;font-size:.98rem;cursor:pointer}
.btn:hover{background:var(--gold2);border-color:var(--gold2)}
.btn-ghost{background:transparent;color:inherit;border-color:currentColor}.btn-ghost:hover{background:#fff;color:#111;border-color:#fff}
.btn-small{padding:8px 18px!important;font-size:.82rem;color:#111!important;border-bottom:1px solid var(--gold)!important}
.dark .btn-ghost:hover,.hero .btn-ghost:hover{background:#fff;color:#111}
/* hero */
.hero{position:relative;min-height:min(88vh,820px);display:flex;align-items:center;color:#fff;background:#000;overflow:hidden;padding:0}
.hero img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.85) 0%,rgba(0,0,0,.35) 70%)}
.hero .wrap{position:relative;z-index:1;padding:90px 0}
.hero .tag{display:inline-block;border:1px solid var(--gold);color:var(--gold2);font-size:.78rem;letter-spacing:.2em;padding:6px 14px;margin-bottom:28px}
.hero h1{font-size:clamp(2.1rem,6vw,4.2rem);letter-spacing:.14em;margin-bottom:.5em}
.hero .lead{font-family:var(--serif);font-size:clamp(1.05rem,2vw,1.35rem);color:#e8e2d4;margin-bottom:2.2em}
.hero .facts{display:flex;flex-wrap:wrap;gap:10px 28px;font-size:.85rem;color:#cfcfcf;margin-top:40px}
.hero .facts span::before{content:"◆";color:var(--gold);margin-right:8px;font-size:.6rem;vertical-align:2px}
.actions{display:flex;flex-wrap:wrap;gap:14px}
/* page head */
.page-head{background:var(--ink);color:#fff;padding:90px 0 70px;position:relative;overflow:hidden}
.page-head img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.28}
.page-head .wrap{position:relative}
.page-head h1{font-size:clamp(1.8rem,4.5vw,2.8rem);margin:0}
.page-head .en{font-family:var(--serif);color:var(--gold2);letter-spacing:.3em;font-size:.8rem;text-transform:uppercase;margin-bottom:12px}
.crumbs{font-size:.78rem;color:#aaa;margin-top:14px}.crumbs a{color:#ccc}
/* layouts */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,80px);align-items:center}
.split.top{align-items:start}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.photo{position:relative}.photo img{width:100%;aspect-ratio:4/3;object-fit:cover}
.photo::before{content:"";position:absolute;inset:14px -14px -14px 14px;border:1px solid var(--gold);z-index:-1}
.photo.portrait img{aspect-ratio:4/5}
.statement{font-family:var(--serif);font-size:clamp(1.3rem,2.6vw,1.8rem);line-height:2;letter-spacing:.12em}
.gold{color:var(--gold)}.dark .gold{color:var(--gold2)}
.rule{width:48px;height:1px;background:var(--gold);margin:28px auto}
.three{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:36px 0}
.three div{border:1px solid var(--line);padding:30px 14px;font-family:var(--serif);background:#fff}
.dark .three div{border-color:#333;background:transparent}
.kanji{display:block;font-size:2.4rem;color:var(--gold);line-height:1.3;margin-bottom:6px}
.checks{list-style:none;padding:0;margin:0 0 1.4em}.checks li{padding:10px 0 10px 30px;border-bottom:1px solid var(--line);position:relative}
.checks li::before{content:"";position:absolute;left:4px;top:21px;width:12px;height:6px;border-left:1.5px solid var(--gold);border-bottom:1.5px solid var(--gold);transform:rotate(-45deg)}
.dark .checks li{border-color:#2c2c2c}
.card{background:#fff;border:1px solid var(--line);padding:34px 30px}
.dark .card{background:var(--ink2);border-color:#2b2b2b}
.num{font-family:var(--serif);color:var(--gold);font-size:2rem;line-height:1;display:block;margin-bottom:14px}
.card h3{margin-bottom:.4em}.card .sub{font-family:var(--serif);color:var(--gold);font-size:.9rem;margin-bottom:1em}
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.tile{text-decoration:none;background:#fff;border:1px solid var(--line);transition:.2s}
.tile:hover{border-color:var(--gold);transform:translateY(-2px)}
.tile img{aspect-ratio:4/3;object-fit:cover;width:100%}.tile div{padding:18px 20px}.tile h3{font-size:1.02rem;margin:0 0 .3em}.tile p{font-size:.85rem;color:var(--muted);margin:0}
.profile-name{font-family:var(--serif);font-size:1.7rem;letter-spacing:.14em;margin:.2em 0}
.ranks{display:flex;gap:10px;flex-wrap:wrap;margin:14px 0 24px}.ranks span{border:1px solid var(--gold);color:var(--gold);font-family:var(--serif);font-size:.85rem;padding:3px 14px}
.dark .ranks span{color:var(--gold2)}
/* tables */
table.info{width:100%;border-collapse:collapse;margin:0 0 1.6em}
table.info th,table.info td{border-bottom:1px solid var(--line);padding:16px 12px;text-align:left;vertical-align:top}
table.info th{width:30%;font-family:var(--serif);font-weight:600;color:var(--ink);background:var(--soft)}
.sessions{list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}
.sessions li{display:grid;grid-template-columns:150px 140px 1fr;gap:16px;padding:16px 8px;border-bottom:1px solid var(--line);align-items:baseline}
.sessions .d{font-family:var(--serif);font-size:1.05rem}.sessions .d small{color:var(--gold);margin-left:4px}
.sessions .t{font-variant-numeric:tabular-nums}.sessions .note{display:block;font-size:.82rem;color:var(--muted)}
.dark .sessions,.dark .sessions li{border-color:#2c2c2c}
/* news */
.news-list{list-style:none;padding:0;margin:0}
.news-list li a{display:grid;grid-template-columns:120px 110px 1fr;gap:16px;padding:18px 6px;border-bottom:1px solid var(--line);text-decoration:none;align-items:baseline}
.news-list li a:hover .ttl{color:var(--gold)}
.news-list .date{font-variant-numeric:tabular-nums;color:var(--muted);font-size:.9rem}
.cat{font-size:.72rem;border:1px solid var(--gold);color:var(--gold);padding:1px 8px;text-align:center;white-space:nowrap;justify-self:start}
.cats{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}.cats a{text-decoration:none;border:1px solid var(--line);padding:6px 16px;font-size:.88rem}
.cats a[aria-current]{background:var(--ink);color:#fff;border-color:var(--ink)}
.pager{display:flex;justify-content:space-between;margin-top:36px;gap:12px}.pager a{text-decoration:none;border:1px solid var(--ink);padding:10px 22px}
.article{font-size:1rem}.article img{margin:24px auto;max-height:640px;width:auto}.article iframe{max-width:100%;width:100%;aspect-ratio:16/9;height:auto;border:0}
.article a{color:#8a6d36}.article figure{margin:0}
.post-meta{display:flex;gap:14px;align-items:center;margin-bottom:12px;color:var(--muted)}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:56px;border-top:1px solid var(--line);padding-top:24px}
.post-nav a{text-decoration:none;font-size:.9rem}.post-nav .newer{text-align:right}
/* voice */
.voice{border-left:2px solid var(--gold);padding:8px 0 8px 28px;margin-bottom:56px}
.voice .who{font-family:var(--serif);color:var(--gold);margin-bottom:.4em}
/* form */
.form{background:#fff;border:1px solid var(--line);padding:clamp(24px,5vw,48px)}
.field{margin-bottom:22px}.field label,.field .label{display:block;font-weight:500;margin-bottom:8px;font-size:.95rem}
.req{font-size:.7rem;background:var(--gold);color:#111;padding:1px 7px;margin-left:8px;vertical-align:2px}
.field input[type=text],.field input[type=email],.field input[type=tel],.field select,.field textarea{width:100%;padding:13px 14px;border:1px solid #cfc8b8;font:inherit;background:#fff;border-radius:0}
.field input:focus,.field textarea:focus,.field select:focus{outline:2px solid var(--gold);outline-offset:0;border-color:var(--gold)}
.choices{display:flex;flex-wrap:wrap;gap:10px}.choices label{border:1px solid #cfc8b8;padding:10px 18px;cursor:pointer;font-weight:400;margin:0}
.choices input{accent-color:var(--gold);margin-right:6px}
.form-error{display:none;background:#fbeeee;border:1px solid #d8a5a5;color:#8a2a2a;padding:12px 16px;margin-bottom:22px}
.hp{position:absolute;left:-9999px}
/* cta */
.cta{background:var(--ink) url() center/cover;color:#fff;position:relative;overflow:hidden}
.cta img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.22}
.cta .wrap{position:relative}
.cta h2{font-size:clamp(1.5rem,3.4vw,2.3rem)}
.cta .price{font-family:var(--serif);color:var(--gold2)}
/* footer */
.site-footer{background:#050505;color:#bdbdbd;padding:70px 0 30px;font-size:.88rem;border-top:1px solid rgba(179,146,86,.4)}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:40px}
.footer-title{font-family:var(--serif);color:var(--gold2);letter-spacing:.2em;margin-bottom:12px}
.footer-links a{display:block;text-decoration:none;padding:3px 0}.footer-links a:hover{color:var(--gold2)}
.copyright{text-align:center;color:#777;font-size:.75rem;margin:50px 0 0;letter-spacing:.2em}
.map{width:100%;aspect-ratio:16/9;border:0;filter:grayscale(.6)}
@media (max-width:1180px){
 .nav-button{display:flex;flex-direction:column;gap:6px;cursor:pointer;padding:10px}
 .nav-button span{width:26px;height:1px;background:#fff}
 .site-nav{position:fixed;top:72px;left:0;right:0;bottom:0;background:var(--ink);flex-direction:column;align-items:flex-start;padding:30px 6vw;gap:6px;transform:translateX(100%);transition:.25s;overflow:auto}
 .site-nav a{font-size:1.05rem;width:100%;padding:12px 0;border-bottom:1px solid #222}
 .nav-toggle:checked~.site-nav{transform:none}
}
@media (max-width:900px){
 .split,.grid3,.grid2,.footer-grid{grid-template-columns:1fr}.tiles{grid-template-columns:1fr 1fr}
 .sessions li{grid-template-columns:1fr;gap:2px}.news-list li a{grid-template-columns:auto auto;}.news-list .ttl{grid-column:1/-1}
 .photo::before{inset:10px -10px -10px 10px}.three{grid-template-columns:1fr}
 table.info th{width:34%}
}
@media (max-width:520px){.tiles{grid-template-columns:1fr}.hero .facts{font-size:.8rem}}
/* additions */
.card .sub{color:var(--gold);font-weight:500;margin:-4px 0 10px;font-size:.92rem}
.sessions .note{display:block;color:var(--gold);font-size:.82rem}
.dark .sessions .note{color:var(--gold2)}
.post-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:24px}
.post-card{display:block;background:#fff;border:1px solid var(--line);color:var(--ink);text-decoration:none;transition:.2s}
.post-card:hover{border-color:var(--gold);transform:translateY(-2px)}
.post-card img{width:100%;aspect-ratio:16/10;object-fit:cover;display:block;background:var(--soft)}
.post-card div{padding:16px 18px 20px}
.post-card .date{font-size:.8rem;color:var(--muted)}
.post-card h3{font-size:1rem;margin:6px 0 0;line-height:1.6}
.article iframe{width:100%;aspect-ratio:16/9;height:auto;border:0}
.article img{height:auto}
.article table{border-collapse:collapse;max-width:100%}
.article td{border:1px solid var(--line);padding:6px 10px}
.legacy p:empty{display:none}
.notice{border:1px solid var(--gold);background:#fffaf0;padding:14px 18px;margin:0 0 24px}
.photo-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin:24px 0}
.photo-row img{width:100%;aspect-ratio:4/3;object-fit:cover}
.field input[type=password]{width:100%;padding:13px 14px;border:1px solid #cfc8b8;font:inherit;background:#fff;border-radius:2px}
.member-notice{white-space:pre-line;border-left:3px solid var(--gold);background:var(--soft);padding:20px 24px;line-height:2}
.member-links{display:grid;gap:14px;margin:1.5em 0}
.member-links a{display:block;text-decoration:none;border:1px solid #d9d1bf;background:#fff;padding:18px 22px;font-family:var(--serif);font-size:1.05rem}
.member-links a:hover{border-color:var(--gold)}
.member-links a span{display:block;font-family:inherit;font-size:.85rem;color:var(--muted);margin-top:4px}

.video{position:relative;aspect-ratio:16/9;margin-top:32px;border-radius:8px;overflow:hidden;background:#000}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
/* 神奈川区の教室ページ */
.btn-lg{padding:18px 40px;font-size:1.05rem;font-weight:600}
.lp-hero h1{font-size:clamp(1.75rem,4.6vw,3.2rem);letter-spacing:.1em}
.lp-cards{margin-top:40px}
.lp-qa{margin-top:56px}.lp-qa dl{margin:0 0 1.4em}.lp-qa dt{font-family:var(--serif);font-weight:600;padding-top:18px}.lp-qa dt::before{content:"Q. ";color:var(--gold)}
.lp-qa dd{margin:6px 0 0;padding-bottom:18px;border-bottom:1px solid var(--line)}.lp-qa a{color:inherit;margin-right:1em}
.lp-access{margin-top:40px}
.lp-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}
.lp-gallery figure{margin:0}.lp-gallery img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block}
.lp-gallery figcaption{font-size:.88rem;color:var(--muted);padding:8px 2px 0}
.lp-steps{list-style:none;counter-reset:s;padding:0;margin:0 0 32px}
.lp-steps li{counter-increment:s;position:relative;padding:0 0 22px 56px;color:#ddd}
.lp-steps li::before{content:counter(s,decimal-leading-zero);position:absolute;left:0;top:0;font-family:var(--serif);color:var(--gold2);font-size:1.4rem}
.lp-steps b{display:block;color:#fff;font-family:var(--serif);font-weight:600}.lp-steps a{color:var(--gold2)}
.dark table.lp-info th{background:var(--ink2);color:#fff}.dark table.lp-info th,.dark table.lp-info td{border-color:#2b2b2b}
.lp-faq details{border-bottom:1px solid var(--line)}
.lp-faq summary{cursor:pointer;list-style:none;font-family:var(--serif);font-weight:600;padding:20px 36px 20px 0;position:relative}
.lp-faq summary::-webkit-details-marker{display:none}
.lp-faq summary::before{content:"Q.";color:var(--gold);margin-right:10px}
.lp-faq summary::after{content:"+";position:absolute;right:6px;top:16px;font-size:1.4rem;color:var(--gold)}
.lp-faq details[open] summary::after{content:"−"}
.lp-faq details p{margin:0 0 20px;padding-left:2em}.lp-faq a{color:inherit}
.home-lp{display:grid;grid-template-columns:1fr 2fr;gap:0;text-decoration:none;color:inherit;border:1px solid var(--line);background:#fff;transition:.2s}
.home-lp:hover{border-color:var(--gold)}.home-lp img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.home-lp div{padding:28px 32px}.home-lp h2{margin-bottom:.4em}.home-lp .more{color:var(--gold);font-family:var(--serif)}
.lp-sticky{display:none}
@media (max-width:900px){.lp-gallery{grid-template-columns:1fr 1fr}.home-lp{grid-template-columns:1fr}}
@media (max-width:640px){
 .lp-page{font-size:17px;padding-bottom:72px}
 .lp-page .actions .btn{display:block;width:100%;text-align:center}
 .lp-gallery{grid-template-columns:1fr}
 .lp-sticky{display:block;position:fixed;left:12px;right:12px;bottom:12px;z-index:50;text-align:center;background:var(--gold);color:#111;text-decoration:none;font-family:var(--serif);font-weight:600;letter-spacing:.12em;padding:16px;box-shadow:0 4px 18px rgba(0,0,0,.25)}
}