/* =============================================
   高菜先生のものつくり体験 — 共通スタイル
   ============================================= */
:root {
  --ink:        #1a1410;
  --paper:      #f5f0e8;
  --warm-white: #faf7f2;
  --indigo:     #2b4a6b;
  --indigo-l:   #4a7fa8;
  --rust:       #b85c38;
  --saffron:    #c8832a;
  --sage:       #5a7a5a;
  --sand:       #d4b896;
  --deep-sand:  #a08060;
  --spice:      #8b3a1f;
  --violet:     #7a4a8b;
  --gold:       #c9a84c;
  --text:       #2a2420;
  --text-sub:   #6b5a4a;
  --line-c:     rgba(160,128,96,.15);
  --hdr-h:      72px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--warm-white);
  color:var(--text);
  font-family:'Noto Sans JP',sans-serif;
  font-weight:300;
  overflow-x:hidden;
  padding-top:var(--hdr-h);
}

/* ── HEADER ── */
.site-header{
  position:fixed;top:0;left:0;right:0;
  height:var(--hdr-h);z-index:100;
  padding:0 48px;
  display:flex;justify-content:space-between;align-items:center;
  background:rgba(250,247,242,.93);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-c);
}
.h-logo{
  font-family:'Shippori Mincho',serif;
  font-size:.95rem;font-weight:700;
  color:var(--ink);text-decoration:none;
  letter-spacing:.04em;line-height:1.4;
}
.h-logo small{
  display:block;font-size:.6rem;font-weight:400;
  color:var(--text-sub);letter-spacing:.14em;
  font-family:'Noto Sans JP',sans-serif;
}
.h-nav{display:flex;gap:28px;align-items:center;}
.h-nav a{
  text-decoration:none;color:var(--text-sub);
  font-size:.78rem;letter-spacing:.07em;
  transition:color .25s;
}
.h-nav a:hover,.h-nav a.active{color:var(--ink);}
.h-nav .btn-rsv{
  background:var(--ink);color:var(--paper) !important;
  padding:9px 20px;font-size:.74rem !important;
  letter-spacing:.1em;transition:background .3s !important;
}
.h-nav .btn-rsv:hover{background:var(--indigo) !important;}
.hamburger{
  display:none;flex-direction:column;gap:5px;
  cursor:pointer;padding:4px;background:none;border:none;
}
.hamburger span{display:block;width:24px;height:1.5px;background:var(--ink);}

/* ── MOBILE NAV ── */
.mobile-nav{
  display:none;position:fixed;inset:0;
  background:var(--warm-white);z-index:200;
  flex-direction:column;justify-content:center;
  align-items:center;gap:36px;padding:40px;
}
.mobile-nav.open{display:flex;}
.mobile-nav a{
  font-family:'Shippori Mincho',serif;
  font-size:1.35rem;color:var(--ink);
  text-decoration:none;letter-spacing:.1em;
}
.mnav-close{
  position:absolute;top:22px;right:28px;
  font-size:1.5rem;cursor:pointer;
  color:var(--text-sub);background:none;border:none;line-height:1;
}

/* ── PAGE HERO (inner pages) ── */
.page-hero{
  padding:72px 48px 64px;
  background:var(--paper);
  border-bottom:1px solid var(--line-c);
  position:relative;overflow:hidden;
}
.page-hero::after{
  content:'';position:absolute;
  right:-6%;top:50%;transform:translateY(-50%);
  width:40vw;height:40vw;max-width:480px;max-height:480px;
  border-radius:50%;
  border:1px solid var(--line-c);
  pointer-events:none;
}
.ph-inner{max-width:1100px;margin:0 auto;position:relative;z-index:1;}
.ph-eyebrow{
  font-size:.68rem;letter-spacing:.28em;
  color:var(--deep-sand);text-transform:uppercase;
  margin-bottom:16px;
  display:flex;align-items:center;gap:10px;
}
.ph-eyebrow::before{
  content:'';display:block;
  width:28px;height:1px;background:var(--deep-sand);
}
.ph-title{
  font-family:'Shippori Mincho',serif;
  font-size:clamp(2rem,4vw,3.2rem);
  font-weight:700;color:var(--ink);
  letter-spacing:.04em;margin-bottom:12px;
}
.ph-sub{
  font-size:.85rem;color:var(--text-sub);line-height:1.9;
  max-width:560px;
}

/* ── SECTION ── */
.sec{padding:88px 48px;}
.sec-inner{max-width:1100px;margin:0 auto;}
.sec--paper{background:var(--paper);}
.sec--ink{background:var(--ink);color:var(--paper);}
.sec-ey{
  font-size:.68rem;letter-spacing:.28em;
  color:var(--deep-sand);text-transform:uppercase;
  margin-bottom:14px;
  display:flex;align-items:center;gap:10px;
}
.sec-ey::after{
  content:'';width:48px;height:1px;background:var(--sand);
}
.sec--ink .sec-ey{color:var(--sand);}
.sec--ink .sec-ey::after{background:var(--deep-sand);}
.sec-h{
  font-family:'Shippori Mincho',serif;
  font-size:clamp(1.5rem,2.8vw,2.2rem);
  font-weight:700;color:var(--ink);
  letter-spacing:.04em;margin-bottom:10px;
}
.sec--ink .sec-h{color:var(--paper);}
.sec-lead{
  font-size:.85rem;color:var(--text-sub);
  line-height:1.9;margin-bottom:56px;
}
.sec--ink .sec-lead{color:rgba(245,240,232,.6);}

/* ── BUTTONS ── */
.btn{
  display:inline-block;text-decoration:none;
  font-size:.84rem;letter-spacing:.1em;
  transition:all .3s;cursor:pointer;
  font-family:'Noto Sans JP',sans-serif;font-weight:400;
}
.btn-dark{
  background:var(--ink);color:var(--paper);
  padding:15px 38px;
  position:relative;overflow:hidden;
}
.btn-dark::after{
  content:'';position:absolute;inset:0;
  background:var(--indigo);
  transform:translateX(-100%);
  transition:transform .4s cubic-bezier(.4,0,.2,1);
}
.btn-dark:hover::after{transform:translateX(0);}
.btn-dark span{position:relative;z-index:1;}
.btn-outline{
  border:1px solid var(--ink);color:var(--ink);
  padding:14px 38px;
}
.btn-outline:hover{background:var(--ink);color:var(--paper);}
.btn-white{
  background:#fff;color:var(--indigo);
  padding:15px 40px;
}
.btn-white:hover{background:var(--paper);transform:translateY(-2px);}
.btn-line{
  display:inline-flex;align-items:center;gap:9px;
  background:#06C755;color:#fff;
  padding:14px 36px;font-size:.84rem;letter-spacing:.08em;
}
.btn-line:hover{background:#05b04d;transform:translateY(-2px);}

/* ── REVEAL ── */
.reveal{
  opacity:0;transform:translateY(22px);
  transition:opacity .65s ease,transform .65s ease;
}
.reveal.visible{opacity:1;transform:translateY(0);}

/* ── TABLE ── */
.styled-table{width:100%;border-collapse:collapse;}
.styled-table th,.styled-table td{
  padding:14px 16px;border-bottom:1px solid var(--line-c);
  font-size:.84rem;line-height:1.7;text-align:left;
}
.styled-table th{
  font-weight:500;letter-spacing:.06em;
  color:var(--deep-sand);width:35%;
  vertical-align:top;
}
.styled-table td{color:var(--text);}
.styled-table tr:last-child th,
.styled-table tr:last-child td{border-bottom:none;}

/* ── FOOTER ── */
.site-footer{
  background:#100e0a;
  color:rgba(245,240,232,.45);
  padding:56px 48px 36px;
}
.sf-inner{max-width:1100px;margin:0 auto;}
.sf-top{
  display:flex;justify-content:space-between;
  align-items:flex-start;flex-wrap:wrap;gap:28px;
  padding-bottom:36px;
  border-bottom:1px solid rgba(255,255,255,.06);
  margin-bottom:28px;
}
.sf-brand{
  font-family:'Shippori Mincho',serif;
  font-size:.95rem;font-weight:700;
  color:rgba(245,240,232,.8);letter-spacing:.04em;
}
.sf-brand small{
  display:block;font-size:.62rem;font-weight:400;
  color:rgba(245,240,232,.3);letter-spacing:.14em;
  font-family:'Noto Sans JP',sans-serif;margin-top:4px;
}
.sf-links{display:flex;gap:24px;flex-wrap:wrap;}
.sf-links a{
  color:rgba(245,240,232,.4);text-decoration:none;
  font-size:.76rem;letter-spacing:.04em;transition:color .3s;
}
.sf-links a:hover{color:rgba(245,240,232,.85);}
.sf-bottom{
  display:flex;justify-content:space-between;
  flex-wrap:wrap;gap:12px;
}
.sf-copy{font-size:.68rem;letter-spacing:.04em;}

/* ── RESPONSIVE ── */
@media(max-width:900px){
  .site-header{padding:0 24px;}
  .h-nav{display:none;}
  .hamburger{display:flex;}
  .page-hero{padding:52px 24px 48px;}
  .sec{padding:64px 24px;}
}
@media(max-width:600px){
  .ph-title{font-size:1.8rem;}
}