/* ============================================================
   墨進書道教室 — 共有CSS（固定ページ用）
   白×墨×薄朱（落款の一点のみ）
   ============================================================ */
:root{
  --sumi:#1f1c16;
  --paper:#fbfaf7;
  --washi:#f4f0e6;
  --shu:#a8302a;          /* 落款の一点のみ */
  --line:#e3ddd0;
  --muted:#807a6e;
  --body:#3b362d;
  --usuzumi:rgba(31,28,22,.6);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;background:var(--paper);color:var(--body);font-family:'Zen Kaku Gothic New',sans-serif;line-height:1.85;-webkit-font-smoothing:antialiased;overflow-x:hidden;}
.mincho{font-family:'Shippori Mincho',serif;}
.mono{font-family:'Space Grotesk',monospace;letter-spacing:.06em;}
img{max-width:100%;}
h1,h2,h3,.c-lead,summary{word-break:auto-phrase;text-wrap:balance;}
main{display:block;}

.l-inner{width:min(1120px,calc(100% - 48px));margin:0 auto;}
.l-inner--narrow{width:min(820px,calc(100% - 48px));margin:0 auto;}
.l-sec{padding:90px 0;position:relative;}
.c-eyebrow{font-family:'Space Grotesk',monospace;font-size:11px;letter-spacing:.34em;color:var(--muted);text-transform:uppercase;display:block;}
.c-h2{font-family:'Shippori Mincho',serif;font-weight:700;font-size:clamp(24px,3.6vw,38px);line-height:1.5;letter-spacing:.05em;color:var(--sumi);margin:14px 0 0;}
.c-h3{font-family:'Shippori Mincho',serif;font-weight:700;font-size:clamp(18px,2.4vw,23px);line-height:1.6;letter-spacing:.04em;color:var(--sumi);margin:0 0 12px;}
.c-lead{font-size:15px;color:var(--muted);max-width:34em;margin:18px 0 0;}
.c-btn{display:inline-block;padding:15px 44px;border:1px solid var(--sumi);color:var(--sumi);background:transparent;font-weight:600;font-size:14px;letter-spacing:.2em;text-decoration:none;white-space:nowrap;transition:background .3s,color .3s;}
.c-btn:hover{background:var(--sumi);color:var(--paper);}
.c-btn--fill{background:var(--sumi);color:var(--paper);}
.c-btn--fill:hover{background:transparent;color:var(--sumi);}

/* ===== header-03：ミニマル＋フルスクリーンメニュー ===== */
.c-hd{position:fixed;top:0;left:0;right:0;z-index:60;}
.c-hd__inner{display:flex;align-items:center;justify-content:space-between;padding:20px 28px;mix-blend-mode:difference;color:#fff;}
.c-hd__logo{font-family:'Shippori Mincho',serif;font-weight:700;font-size:19px;letter-spacing:.14em;color:#fff;text-decoration:none;}
.c-hd__logo small{font-family:'Space Grotesk',monospace;font-size:9px;letter-spacing:.3em;margin-left:12px;opacity:.7;}
.c-hd__burger{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;background:none;border:0;cursor:pointer;padding:10px;border-radius:50%;transition:background .25s;}
.c-hd__burger span{display:block;width:28px;height:1.5px;background:#fff;transition:transform .35s,opacity .25s,width .25s;}
body.is-locked{overflow:hidden;}
body.is-locked .c-hd__inner{mix-blend-mode:normal;}
body.is-locked .c-hd__burger{background:rgba(251,250,247,.12);border:1px solid rgba(251,250,247,.4);width:44px;height:44px;padding:0;}
body.is-locked .c-hd__burger span{width:20px;}
.c-menu{position:fixed;inset:0;z-index:55;background:var(--sumi);color:var(--washi);display:grid;grid-template-columns:1.15fr .85fr;clip-path:circle(0% at 93% 5%);transition:clip-path .6s cubic-bezier(.7,0,.2,1);visibility:hidden;}
.c-menu.is-open{clip-path:circle(150% at 93% 5%);visibility:visible;}
.c-menu__left{padding:13vh 6vw 6vh;display:flex;flex-direction:column;}
.c-menu__lbl{font-family:'Space Grotesk',monospace;font-size:10px;letter-spacing:.34em;color:rgba(244,240,230,.5);margin-bottom:20px;}
.c-menu__nav a{font-family:'Shippori Mincho',serif;font-size:clamp(20px,2.6vw,32px);font-weight:700;color:var(--washi);text-decoration:none;padding:8px 0;display:flex;align-items:baseline;gap:16px;transition:opacity .2s,padding .2s;}
.c-menu__nav a .c-menu__no{font-family:'Space Grotesk',monospace;font-size:11px;color:rgba(244,240,230,.45);letter-spacing:.18em;}
.c-menu__nav a:hover{opacity:.6;padding-left:10px;}
.c-menu__taiken{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:16px;border:1px solid rgba(244,240,230,.28);padding:18px 22px;text-decoration:none;color:var(--washi);transition:background .2s;max-width:480px;}
.c-menu__taiken:hover{background:rgba(244,240,230,.07);}
.c-menu__taiken .t{font-family:'Shippori Mincho',serif;font-size:17px;font-weight:700;}
.c-menu__taiken .s{font-size:12px;color:rgba(244,240,230,.6);margin-top:3px;}
.c-menu__taiken .arr{font-size:18px;color:rgba(244,240,230,.7);}
.c-menu__right{position:relative;display:flex;flex-direction:column;}
.c-menu__img{position:relative;flex:1;overflow:hidden;min-height:0;}
.c-menu__img img{width:100%;height:100%;object-fit:cover;opacity:.5;display:block;}
.c-menu__info{padding:28px 5vw 6vh;background:#16140f;}
.c-menu__brand{font-family:'Shippori Mincho',serif;font-size:21px;font-weight:700;letter-spacing:.1em;}
.c-menu__brand small{display:block;font-family:'Space Grotesk',monospace;font-size:9px;letter-spacing:.3em;color:rgba(244,240,230,.45);margin-top:4px;}
.c-menu__row{margin-top:14px;font-size:13px;line-height:1.8;color:rgba(244,240,230,.85);}
.c-menu__row .lab{font-family:'Space Grotesk',monospace;font-size:9px;letter-spacing:.2em;color:rgba(244,240,230,.45);margin-right:10px;}
@media(max-width:860px){
  .c-menu{grid-template-columns:1fr;}
  .c-menu__right .c-menu__img{min-height:160px;flex:none;}
  .c-menu__left{padding:12vh 28px 3vh;}
}

/* ===== ページヒーロー（固定ページ用タイトル帯） ===== */
.p-hero{position:relative;background:var(--washi);padding:150px 0 70px;border-bottom:1px solid var(--line);overflow:hidden;}
.p-hero__stroke{position:absolute;right:-4%;bottom:-14%;width:46%;opacity:.12;pointer-events:none;}
.p-hero__stroke path{stroke:var(--sumi);fill:none;stroke-linecap:round;}
.p-hero h1{font-family:'Shippori Mincho',serif;font-weight:700;font-size:clamp(30px,4.6vw,48px);line-height:1.4;letter-spacing:.08em;color:var(--sumi);margin:14px 0 0;}
.p-hero__lead{font-size:14.5px;color:var(--muted);margin:16px 0 0;max-width:36em;}
.p-hero__rakkan{position:absolute;right:8%;top:58%;width:32px;height:32px;background:var(--shu);color:var(--washi);font-family:'Shippori Mincho',serif;font-size:18px;line-height:32px;text-align:center;}
@media(max-width:680px){.p-hero{padding:120px 0 52px;}.p-hero__rakkan{top:auto;bottom:18px;right:24px;}}

/* ===== 固定ページ共通パーツ ===== */
.p-block{border-top:1px solid var(--line);padding:34px 0;display:grid;grid-template-columns:220px 1fr;gap:24px;}
.p-block:last-of-type{border-bottom:1px solid var(--line);}
.p-block__t{font-family:'Shippori Mincho',serif;font-weight:700;font-size:17px;color:var(--sumi);}
.p-block__b{font-size:14.5px;}
.p-block__b p{margin:0 0 12px;}
.p-block__b p:last-child{margin-bottom:0;}
@media(max-width:680px){.p-block{grid-template-columns:1fr;gap:8px;}}

.p-table{width:100%;border-collapse:collapse;font-size:14px;}
.p-table th,.p-table td{border:1px solid var(--line);padding:14px 16px;text-align:left;vertical-align:top;}
.p-table th{background:var(--washi);font-family:'Shippori Mincho',serif;font-weight:700;color:var(--sumi);white-space:nowrap;width:11em;}
@media(max-width:680px){.p-table th{width:auto;white-space:normal;}}

.p-figure{margin:0;}
.p-figure img{width:100%;height:auto;display:block;}
.p-figure figcaption{font-size:11.5px;color:var(--muted);letter-spacing:.08em;margin-top:8px;}

.p-cta{background:var(--washi);border:1px solid var(--line);padding:44px 32px;text-align:center;}
.p-cta h2{font-family:'Shippori Mincho',serif;font-weight:700;font-size:clamp(20px,3vw,28px);color:var(--sumi);margin:0 0 10px;}
.p-cta p{font-size:14px;color:var(--muted);margin:0 0 24px;}

.p-faq-item{border-bottom:1px solid var(--line);padding:26px 0;}
.p-faq-item .q{font-family:'Shippori Mincho',serif;font-weight:700;font-size:16.5px;color:var(--sumi);margin:0 0 8px;display:flex;gap:12px;}
.p-faq-item .q::before{content:"問";flex:none;font-size:13px;color:var(--muted);border:1px solid var(--line);width:26px;height:26px;line-height:24px;text-align:center;margin-top:1px;}
.p-faq-item .a{font-size:14.5px;margin:0;padding-left:38px;}

/* ===== footer-02：ミニマル・中央寄せ白 ===== */
.c-ft{border-top:1px solid var(--line);background:#fff;}
.c-ft__inner{max-width:880px;margin:0 auto;padding:66px 28px 40px;text-align:center;}
.c-ft__mark{width:40px;height:40px;margin:0 auto 22px;border:1.5px solid var(--sumi);border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:'Shippori Mincho',serif;font-weight:700;color:var(--sumi);}
.c-ft__logo{font-family:'Shippori Mincho',serif;font-weight:700;font-size:24px;letter-spacing:.14em;color:var(--sumi);}
.c-ft__en{font-family:'Space Grotesk',monospace;font-size:9px;letter-spacing:.3em;color:var(--muted);margin-top:6px;}
.c-ft__addr{font-size:12.5px;color:var(--muted);margin-top:18px;line-height:1.9;}
.c-ft__nav{display:flex;gap:26px;justify-content:center;flex-wrap:wrap;margin:28px 0 26px;}
.c-ft__nav a{color:var(--body);text-decoration:none;font-size:13.5px;}
.c-ft__nav a:hover{color:var(--sumi);text-decoration:underline;}
.c-ft__cp{font-family:'Space Grotesk',monospace;font-size:11px;color:var(--muted);border-top:1px solid var(--line);padding-top:24px;}
@media(max-width:600px){.c-ft__nav{gap:16px;}}

@media(max-width:768px){.l-sec{padding:60px 0;}}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .c-menu{transition:none;}
  .c-hd__burger span{transition:none;}
}