/* ============================================================
   3＋1学習塾 — SOFT REDESIGN
   ============================================================ */
:root{
  --cream:#F7F4EE;
  --cream-2:#EEE9DF;
  --white:#FFFFFF;
  --sky:#EBF4FA;
  --sky-2:#D6EAFC;
  --navy:#1A3352;
  --navy-2:#254667;
  --blue:#3A72A0;
  --sage:#4A7B63;
  --gold:#B8895A;
  --gold-light:#E2C49A;
  --text:#374151;
  --muted:#6B7280;
  --border:rgba(26,51,82,.1);
  --border-soft:rgba(26,51,82,.06);
  --shadow:0 4px 28px rgba(26,51,82,.07);
  --shadow-md:0 8px 40px rgba(26,51,82,.1);
  --radius:20px;
  --radius-sm:12px;
  --display:"Shippori Mincho", serif;
  --body:"Noto Sans JP", sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--body);
  background:var(--cream);
  color:var(--text);
  line-height:1.9;
  font-weight:300;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none;}

.wrap{max-width:1120px;margin:0 auto;padding:0 36px;}
@media(max-width:640px){.wrap{padding:0 22px;}}

/* EYEBROW */
.eyebrow{
  font-family:var(--body);
  font-size:11.5px;letter-spacing:.3em;font-weight:500;
  color:var(--blue);text-transform:uppercase;
  display:flex;align-items:center;gap:12px;margin-bottom:22px;
}
.eyebrow::before{content:"";width:22px;height:1.5px;background:var(--blue);border-radius:2px;}
.eyebrow.light{color:var(--gold-light);}
.eyebrow.light::before{background:var(--gold-light);}

h1,h2,h3{font-family:var(--display);font-weight:600;letter-spacing:.02em;}

section{position:relative;}
.section-pad{padding:140px 0;}
@media(max-width:900px){.section-pad{padding:90px 0;}}
@media(max-width:480px){.section-pad{padding:64px 0;}}

/* REVEAL */
.reveal{opacity:0;transform:translateY(24px);transition:opacity 1s cubic-bezier(.2,.7,.2,1),transform 1s cubic-bezier(.2,.7,.2,1);}
.reveal.in{opacity:1;transform:translateY(0);}

/* ============================================================
   HEADER
   ============================================================ */
header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 36px;
  background:rgba(247,244,238,.88);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border-soft);
  transition:padding .4s;
}
@media(max-width:640px){header{padding:14px 18px;}}
.logo-group{display:flex;align-items:center;gap:12px;}
.logo-mark{width:38px;height:38px;border-radius:9px;object-fit:cover;box-shadow:var(--shadow);}
@media(max-width:480px){.logo-mark{width:32px;height:32px;border-radius:7px;}}
.logo{font-family:var(--display);font-size:17px;letter-spacing:.06em;font-weight:600;color:var(--navy);}
.logo small{display:block;font-family:var(--body);font-size:8.5px;letter-spacing:.28em;font-weight:300;color:var(--muted);margin-top:3px;}
@media(max-width:480px){.logo{font-size:14px;} .logo small{display:none;}}
nav{display:flex;align-items:center;gap:24px;}
nav a:not(.cta-nav){font-size:13px;letter-spacing:.08em;color:var(--navy);}
.cta-nav{
  font-size:12px;letter-spacing:.12em;
  background:var(--navy);color:#fff;
  padding:10px 22px;border-radius:50px;
  transition:background .3s,transform .2s;
}
.cta-nav:hover{background:var(--navy-2);transform:translateY(-1px);}
@media(max-width:380px){nav a:not(.cta-nav){display:none;}}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  min-height:auto;
  background:linear-gradient(140deg, var(--sky) 0%, var(--cream) 50%, #EEF7F2 100%);
  display:flex;flex-direction:column;justify-content:center;
  overflow:hidden;position:relative;
  padding:120px 0 80px;
}
.hero-deco{
  position:absolute;top:-120px;right:-180px;
  width:700px;height:700px;border-radius:50%;
  background:radial-gradient(circle, rgba(58,114,160,.1) 0%, transparent 70%);
  pointer-events:none;
}
.hero-deco2{
  position:absolute;bottom:-80px;left:-100px;
  width:500px;height:500px;border-radius:50%;
  background:radial-gradient(circle, rgba(74,123,99,.08) 0%, transparent 70%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;padding-top:0;}
.hero-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:60px;align-items:center;}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr;gap:40px;}}

.hero-eyebrow{
  font-size:11.5px;letter-spacing:.3em;color:var(--blue);text-transform:uppercase;
  margin-bottom:28px;display:flex;align-items:center;gap:12px;
}
.hero-eyebrow::before{content:"";width:22px;height:1.5px;background:var(--blue);border-radius:2px;}

.hero h1{
  font-size:clamp(28px,3vw,44px);
  line-height:1.38;font-weight:600;color:var(--navy);
}
.hero h1 .accent{color:var(--blue);}
.hero p.sub{
  margin-top:28px;max-width:460px;
  font-size:15.5px;color:var(--muted);font-weight:300;line-height:2;
}
.hero-cta-row{display:flex;gap:14px;margin-top:48px;flex-wrap:wrap;}
@media(max-width:480px){.hero-cta-row{flex-direction:column;gap:10px;}}

/* BUTTONS */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:16px 32px;font-size:13px;letter-spacing:.1em;
  border-radius:50px;transition:all .3s;
  border:1.5px solid transparent;
}
.btn.primary{background:var(--navy);color:#fff;border-color:var(--navy);}
.btn.primary:hover{background:var(--navy-2);border-color:var(--navy-2);transform:translateY(-2px);box-shadow:var(--shadow-md);}
.btn.ghost{background:transparent;color:var(--navy);border-color:var(--navy);}
.btn.ghost:hover{background:var(--navy);color:#fff;transform:translateY(-2px);}
@media(max-width:480px){.btn{width:100%;justify-content:center;padding:15px 20px;}}

/* hero right — soft card */
.diag-mini{
  background:var(--white);border-radius:var(--radius);
  padding:32px;box-shadow:var(--shadow-md);
}
@media(max-width:640px){.diag-mini{display:none;}}
.diag-mini .lbl{font-size:11px;letter-spacing:.18em;color:var(--muted);margin-bottom:14px;text-align:right;}

/* scroll cue */
.scroll-cue{
  position:absolute;bottom:36px;left:36px;z-index:2;
  display:flex;align-items:center;gap:10px;color:var(--muted);font-size:11px;letter-spacing:.18em;
}
.scroll-line{width:1px;height:40px;background:var(--cream-2);position:relative;overflow:hidden;}
.scroll-line::after{content:"";position:absolute;top:-100%;left:0;width:100%;height:100%;background:var(--blue);animation:scrolldrop 2.2s ease-in-out infinite;}
@keyframes scrolldrop{0%{top:-100%;}60%{top:100%;}100%{top:100%;}}
@media(max-width:640px){.scroll-cue{display:none;}}

/* ============================================================
   SECTION GENERIC
   ============================================================ */
.section-head{max-width:680px;margin-bottom:72px;}
.section-head h2{font-size:clamp(26px,3.2vw,40px);line-height:1.55;color:var(--navy);}
.section-head p.lead{margin-top:20px;font-size:15.5px;color:var(--muted);max-width:540px;line-height:1.95;}
@media(max-width:640px){.section-head{margin-bottom:44px;}.section-head h2{line-height:1.65;}.section-head p.lead{font-size:15px;}}

/* ============================================================
   S2: このような方へ
   ============================================================ */
.s2{background:var(--white);}
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
@media(max-width:760px){.check-grid{grid-template-columns:1fr;}}
.check-item{
  background:var(--cream);border-radius:var(--radius);
  padding:32px 28px;display:flex;gap:18px;align-items:flex-start;
  transition:box-shadow .3s,transform .3s;
}
.check-item:hover{box-shadow:var(--shadow);transform:translateY(-3px);}
.check-mark{
  width:28px;height:28px;border-radius:50%;background:var(--blue);
  flex:none;display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:12px;margin-top:2px;
}
.check-item p{font-size:15.5px;font-weight:400;color:var(--navy);}
.check-item span{display:block;font-size:13px;color:var(--muted);margin-top:6px;font-weight:300;}
@media(max-width:480px){.check-item{padding:24px 20px;gap:14px;}.check-item p{font-size:15px;}}

/* ============================================================
   S3: なぜ伸びないか
   ============================================================ */
.s3{background:var(--sky);}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:20px;}
@media(max-width:800px){.compare{grid-template-columns:1fr;}}
.compare>div{
  background:var(--white);border-radius:var(--radius);padding:40px 36px;
}
.compare .solution{background:var(--navy);color:#fff;}
.compare h4{font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);margin-bottom:18px;font-family:var(--body);}
.compare .solution h4{color:var(--gold-light);}
.compare p{font-size:15.5px;color:var(--text);font-weight:300;line-height:2;}
.compare .solution p{color:rgba(255,255,255,.85);}
@media(max-width:480px){.compare>div{padding:28px 22px;}.compare p{font-size:15px;}}

.diag-wrap{margin-top:80px;}
.diag-wrap .cap{font-size:11.5px;letter-spacing:.14em;color:var(--muted);margin-top:18px;text-align:center;}

/* ============================================================
   S4: 特長
   ============================================================ */
.s4{background:var(--white);}
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
@media(max-width:900px){.feat-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:520px){.feat-grid{grid-template-columns:1fr;}}
.feat-item{
  background:var(--cream);border-radius:var(--radius);padding:36px 28px;
  transition:box-shadow .3s,transform .3s;
}
.feat-item:hover{box-shadow:var(--shadow);transform:translateY(-3px);}
.feat-item .num{font-family:var(--display);font-size:12px;color:var(--blue);letter-spacing:.12em;margin-bottom:18px;}
.feat-item h3{font-size:17px;font-weight:500;margin-bottom:10px;line-height:1.6;}
.feat-item p{font-size:13.5px;color:var(--muted);font-weight:300;line-height:1.85;}
@media(max-width:480px){.feat-item{padding:28px 22px;}}

/* ============================================================
   S5: 学習の流れ
   ============================================================ */
.s5{background:var(--navy);}
.s5 .eyebrow{color:var(--gold-light);}
.s5 .eyebrow::before{background:var(--gold-light);}
.s5 .section-head h2{color:#fff;}
.s5 .section-head p.lead{color:rgba(255,255,255,.6);}
.flow{display:flex;flex-wrap:wrap;gap:0;border-radius:var(--radius);overflow:hidden;}
.flow-step{
  flex:1 1 140px;
  background:rgba(255,255,255,.05);
  padding:36px 22px;
  border-right:1px solid rgba(255,255,255,.08);
  position:relative;
}
.flow-step:last-child{border-right:none;}
.flow-step:not(:last-child)::after{
  content:"→";position:absolute;right:-10px;top:36px;
  color:var(--gold-light);font-size:13px;z-index:1;
}
.flow-step .f-eng{font-size:10.5px;letter-spacing:.2em;color:rgba(255,255,255,.35);margin-bottom:8px;}
.flow-step h4{font-family:var(--display);font-size:16px;font-weight:600;color:#fff;}
@media(max-width:640px){
  .flow{flex-direction:column;}
  .flow-step{border-right:none;border-bottom:1px solid rgba(255,255,255,.08);padding:26px 20px;}
  .flow-step:last-child{border-bottom:none;}
  .flow-step:not(:last-child)::after{content:"↓";right:auto;left:20px;top:auto;bottom:-14px;}
}

/* ============================================================
   S6: 料金
   ============================================================ */
.s6{background:var(--cream);}
.price-banner{
  background:linear-gradient(120deg,var(--sage) 0%,#3B7A5F 100%);
  color:#fff;padding:20px 32px;border-radius:var(--radius-sm);
  display:flex;justify-content:space-between;align-items:center;
  margin-bottom:48px;flex-wrap:wrap;gap:10px;
}
.price-banner strong{color:var(--gold-light);font-family:var(--display);letter-spacing:.04em;}
@media(max-width:480px){.price-banner{padding:16px 20px;font-size:14px;}}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
@media(max-width:800px){.price-grid{grid-template-columns:1fr;}}
.price-card{
  background:var(--white);border-radius:var(--radius);padding:44px 36px;
  text-align:center;box-shadow:var(--shadow);
  transition:transform .3s,box-shadow .3s;
}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.price-card.feat{background:var(--navy);color:#fff;}
.price-card .ptag{font-size:11px;letter-spacing:.2em;color:var(--muted);text-transform:uppercase;}
.price-card.feat .ptag{color:var(--gold-light);}
.price-card h3{font-size:22px;margin:14px 0 22px;}
.price-card .amount{font-family:var(--display);font-size:32px;color:var(--gold);}
.price-card.feat .amount{color:var(--gold-light);}
.price-card .amount sup{font-size:12px;font-family:var(--body);margin-left:3px;color:var(--muted);}
.price-card.feat .amount sup{color:rgba(255,255,255,.5);}
.price-card hr{border:none;border-top:1px solid var(--border-soft);margin:22px 0;}
.price-card.feat hr{border-top:1px solid rgba(255,255,255,.12);}
.price-card ul{text-align:left;font-size:13.5px;color:var(--muted);}
.price-card.feat ul{color:rgba(255,255,255,.7);}
.price-card li{padding:6px 0;}
@media(max-width:480px){.price-card{padding:32px 24px;}.price-card .amount{font-size:27px;}}

/* ============================================================
   S7: 教室長メッセージ
   ============================================================ */
.s7{background:var(--white);}
.msg-grid{display:grid;grid-template-columns:1fr 1.6fr;gap:56px;align-items:start;}
@media(max-width:840px){.msg-grid{grid-template-columns:1fr;gap:36px;}}
.msg-quote{
  font-family:var(--display);font-size:clamp(18px,1.8vw,24px);
  line-height:1.85;color:var(--navy);position:relative;padding-top:26px;
}
.msg-quote::before{
  content:""";position:absolute;top:-24px;left:-8px;
  font-size:80px;color:var(--sky-2);font-family:var(--display);line-height:1;
}
.msg-body p{margin-bottom:18px;font-size:15px;color:var(--muted);line-height:2;}
@media(max-width:480px){.msg-body p{font-size:14.5px;}}
.msg-sign{margin-top:28px;font-family:var(--display);font-size:14px;color:var(--navy);}
.msg-sign span{display:block;font-family:var(--body);font-size:11.5px;color:var(--muted);letter-spacing:.1em;margin-top:5px;}

/* ============================================================
   S8: FAQ
   ============================================================ */
.s8{background:var(--cream);}
.faq-item{background:var(--white);border-radius:var(--radius-sm);margin-bottom:10px;overflow:hidden;}
.faq-q{display:flex;justify-content:space-between;align-items:center;cursor:pointer;gap:20px;padding:24px 28px;}
.faq-q h4{font-size:16px;font-weight:500;font-family:var(--body);color:var(--navy);}
.faq-q .q-mark{
  width:28px;height:28px;border-radius:50%;background:var(--sky);
  flex:none;display:flex;align-items:center;justify-content:center;
  color:var(--blue);font-size:16px;transition:background .3s;
}
.faq-item.open .q-mark{background:var(--navy);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .45s ease,opacity .45s ease;opacity:0;}
.faq-a p{padding:0 28px 24px;font-size:14.5px;color:var(--muted);max-width:680px;line-height:1.95;}
.faq-item.open .faq-a{opacity:1;}
@media(max-width:480px){.faq-q{padding:20px 20px;}.faq-q h4{font-size:15px;}.faq-a p{padding:0 20px 20px;}}

/* ============================================================
   S9: CTA
   ============================================================ */
.s9{
  background:linear-gradient(135deg,var(--navy) 0%,var(--navy-2) 60%,#1E4D3A 100%);
  color:#fff;text-align:center;
}
.s9 h2{font-size:clamp(26px,3.8vw,44px);line-height:1.55;margin-bottom:20px;}
.s9 p.lead{color:rgba(255,255,255,.62);max-width:500px;margin:0 auto 48px;font-size:15px;}
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;max-width:860px;margin:0 auto;}
@media(max-width:760px){.contact-grid{grid-template-columns:1fr;}}
.contact-card{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius);padding:40px 24px;
  transition:background .3s;
}
.contact-card:hover{background:rgba(255,255,255,.12);}
.contact-card .c-eng{font-size:10.5px;letter-spacing:.22em;color:var(--gold-light);margin-bottom:14px;}
.contact-card h4{font-family:var(--display);font-size:18px;margin-bottom:12px;}
.contact-card p{font-size:13px;color:rgba(255,255,255,.52);margin-bottom:22px;min-height:36px;}
.contact-card .btn{width:100%;justify-content:center;font-size:12px;}
.contact-card .btn.primary{background:rgba(255,255,255,.15);border-color:rgba(255,255,255,.3);color:#fff;}
.contact-card .btn.primary:hover{background:#fff;color:var(--navy);}
.contact-card .btn.ghost{border-color:rgba(255,255,255,.3);color:#fff;}
.contact-card .btn.ghost:hover{background:#fff;color:var(--navy);}
@media(max-width:480px){.contact-card{padding:28px 18px;}}

/* ============================================================
   TRIAL FORM
   ============================================================ */
.trial-form{
  max-width:740px;margin:80px auto 0;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius);padding:52px 44px;text-align:left;
}
@media(max-width:640px){.trial-form{padding:32px 20px;margin-top:52px;}}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
@media(max-width:640px){.form-row{grid-template-columns:1fr;}}
.field{margin-bottom:24px;}
.field label{display:block;font-size:12px;letter-spacing:.06em;color:rgba(255,255,255,.58);margin-bottom:8px;}
.field .req{color:var(--gold-light);font-size:10.5px;letter-spacing:.1em;border:1px solid var(--gold-light);padding:1px 6px;margin-left:6px;border-radius:3px;}
.field input,.field select,.field textarea{
  width:100%;background:rgba(255,255,255,.07);border:none;
  border-bottom:1px solid rgba(255,255,255,.25);
  color:#fff;font-family:var(--body);font-size:16px;font-weight:300;padding:10px 2px;
  transition:border-color .3s;
}
.field select{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6'><path d='M0 0 L5 6 L10 0' fill='none' stroke='%23E2C49A'/></svg>");background-repeat:no-repeat;background-position:right 6px center;}
.field select option{color:#111;}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.3);}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--gold-light);}
.field textarea{resize:vertical;}
.form-submit{width:100%;justify-content:center;margin-top:8px;background:var(--gold);border-color:var(--gold);color:#fff;}
.form-submit:hover{background:var(--gold-light);border-color:var(--gold-light);color:var(--navy);}
.form-note{font-size:12px;color:rgba(255,255,255,.38);margin-top:16px;text-align:center;}
.form-success{
  display:none;margin-top:20px;padding:16px 20px;
  background:rgba(74,123,99,.2);border:1px solid var(--sage);
  color:#fff;font-size:14px;text-align:center;border-radius:var(--radius-sm);
}
.form-success.show{display:block;}
.trial-form.submitted .form-row,.trial-form.submitted .field,.trial-form.submitted .form-submit,.trial-form.submitted .form-note{display:none;}

/* ============================================================
   NAME CONCEPT STRIP
   ============================================================ */
.name-strip{background:var(--white);}
.name-strip-inner{
  padding:56px 36px;display:flex;flex-wrap:wrap;
  align-items:center;justify-content:center;gap:48px;text-align:center;
}
@media(max-width:640px){.name-strip-inner{flex-direction:column;gap:24px;padding:40px 22px;}}
.name-strip-item h3{font-family:var(--display);font-size:clamp(20px,2.2vw,26px);color:var(--navy);line-height:1.7;}
.name-strip-item h3 span{color:var(--blue);}
.name-strip-item p{font-size:11.5px;letter-spacing:.18em;color:var(--muted);margin-top:8px;}
.name-strip-divider{width:1px;height:48px;background:var(--border);}
@media(max-width:640px){.name-strip-divider{display:none;}}

/* ============================================================
   FOOTER
   ============================================================ */
footer{background:var(--navy);color:rgba(255,255,255,.45);padding:56px 0 36px;font-size:12.5px;}
.foot-grid{display:flex;justify-content:space-between;flex-wrap:wrap;gap:28px;border-bottom:1px solid rgba(255,255,255,.1);padding-bottom:36px;margin-bottom:26px;}
.foot-logo{font-family:var(--display);color:#fff;font-size:17px;}
.foot-addr p{line-height:1.95;}
.copyright{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;}
@media(max-width:640px){.foot-grid{flex-direction:column;gap:18px;}.copyright{flex-direction:column;gap:5px;font-size:11px;}}

/* ============================================================
   BLOG
   ============================================================ */
.blog-hero{
  background:linear-gradient(140deg,var(--sky) 0%,var(--cream) 100%);
  padding:180px 0 90px;
}
.blog-hero h1{font-size:clamp(30px,4.5vw,48px);line-height:1.5;color:var(--navy);}
.blog-hero p{margin-top:18px;color:var(--muted);max-width:480px;font-size:15px;}
@media(max-width:640px){.blog-hero{padding:130px 0 60px;}}

.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
@media(max-width:900px){.post-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:600px){.post-grid{grid-template-columns:1fr;}}
.post-card{
  background:var(--white);border-radius:var(--radius);
  box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;overflow:hidden;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.post-card a.post-link{display:block;padding:32px 28px;}
.post-card .p-tag{font-size:11px;letter-spacing:.2em;color:var(--blue);text-transform:uppercase;margin-bottom:14px;}
.post-card .p-date{font-size:12px;color:var(--muted);margin-bottom:12px;}
.post-card h3{font-size:17px;font-weight:500;line-height:1.7;margin-bottom:12px;font-family:var(--body);color:var(--navy);}
.post-card p.excerpt{font-size:13.5px;color:var(--muted);font-weight:300;line-height:1.85;}
.post-card .read-more{display:inline-block;margin-top:18px;font-size:12.5px;letter-spacing:.08em;color:var(--blue);border-bottom:1px solid var(--sky-2);padding-bottom:2px;}
@media(max-width:480px){.post-card a.post-link{padding:24px 20px;}.post-card h3{font-size:16px;}}

.post-header{
  background:linear-gradient(140deg,var(--sky) 0%,var(--cream) 100%);
  padding:180px 0 80px;
}
.post-header .p-tag{font-size:11px;letter-spacing:.2em;color:var(--blue);text-transform:uppercase;margin-top:28px;}
.post-header .p-date{font-size:12px;color:var(--muted);margin-top:8px;}
.post-header h1{font-size:clamp(26px,4vw,42px);line-height:1.6;margin-top:16px;color:var(--navy);}
.back-link{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.08em;color:var(--muted);}
.back-link:hover{color:var(--navy);}
@media(max-width:640px){.post-header{padding:140px 0 56px;}}

.post-body{max-width:680px;margin:0 auto;padding:80px 36px;}
.post-body p{font-size:16px;color:var(--text);margin-bottom:26px;line-height:2;}
.post-body h2{font-size:21px;margin:44px 0 20px;color:var(--navy);}
.post-body ul{margin:0 0 26px 20px;color:var(--text);font-size:16px;line-height:2;}
@media(max-width:640px){.post-body{padding:56px 22px;}.post-body p,.post-body li{font-size:15px;}.post-body h2{font-size:19px;}}

/* ============================================================
   MOBILE POLISH (追加調整)
   ============================================================ */

/* ヘッダー：CTAボタンを小さく */
@media(max-width:480px){
  .cta-nav{padding:8px 14px;font-size:11px;letter-spacing:.08em;}
  nav{gap:14px;}
}

/* ヒーロー：スマホでは高さを抑え、余白を詰める */
@media(max-width:640px){
  .hero{min-height:auto;padding:110px 0 70px;}
  .hero h1{font-size:clamp(32px,8vw,44px);}
  .hero p.sub{font-size:14.5px;margin-top:20px;}
  .hero-cta-row{margin-top:32px;}
  .hero-deco,.hero-deco2{display:none;}
}

/* ネームストリップ */
@media(max-width:480px){
  .name-strip-item h3{font-size:18px;}
}

/* このような方へ：テキストサイズ */
@media(max-width:480px){
  .check-item span{font-size:12.5px;}
}

/* なぜ伸びないか：グラフを見やすく */
@media(max-width:640px){
  .diag-wrap{margin-top:48px;}
  .diag-wrap .cap{font-size:10.5px;}
}

/* 特長 */
@media(max-width:480px){
  .feat-item h3{font-size:16px;}
  .feat-item p{font-size:13px;}
}

/* 学習の流れ */
@media(max-width:480px){
  .flow-step{padding:22px 18px;}
  .flow-step h4{font-size:15px;}
}

/* 料金 */
@media(max-width:480px){
  .price-banner{flex-direction:column;gap:6px;text-align:center;}
  .price-card ul li{font-size:13px;}
}

/* 教室長メッセージ */
@media(max-width:480px){
  .msg-quote{font-size:19px;}
  .msg-sign{font-size:13px;}
}

/* CTA セクション */
@media(max-width:480px){
  .s9 h2{font-size:22px;line-height:1.65;}
  .s9 p.lead{font-size:14px;}
}

/* フォーム：ラベル・入力欄 */
@media(max-width:480px){
  .field label{font-size:11.5px;}
  .form-submit{font-size:14px;padding:16px 20px;}
}

/* ブログ一覧 */
@media(max-width:480px){
  .blog-hero h1{font-size:26px;}
  .blog-hero p{font-size:14px;}
}

/* 記事ページ */
@media(max-width:480px){
  .post-header h1{font-size:22px;line-height:1.65;}
  .back-link{font-size:12px;}
}

/* 通い放題カード：特別強調 */
.price-card.feat{
  transform:scale(1.04);
  box-shadow:0 12px 48px rgba(26,51,82,.18);
  position:relative;
}
.price-card.feat:hover{transform:scale(1.04) translateY(-4px);}
.price-card.feat .ptag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:11px;letter-spacing:.14em;
  background:var(--gold);color:#fff;
  padding:4px 12px;border-radius:50px;margin-bottom:4px;
}
@media(max-width:800px){
  .price-card.feat{transform:scale(1);border:2px solid var(--gold);}
  .price-card.feat:hover{transform:translateY(-4px);}
}

/* voices grid mobile */
@media(max-width:760px){
  .voices-grid{grid-template-columns:1fr!important;}
}

/* Promise grid mobile */
@media(max-width:760px){
  .promise-grid{grid-template-columns:1fr!important;}
}

/* Hero photo grid mobile */
@media(max-width:768px){
  .hero .hero-inner > div[style*="grid-template-columns:1fr 1fr"]{
    grid-template-columns:1fr!important;
  }
  .hero .hero-inner > div > div:last-child img{
    width:180px!important;height:180px!important;
  }
}

/* ============================================================
   MOBILE FIXES - スマホ表示改善
   ============================================================ */

/* ヘッダーナビ：スマホで色・区切りをつける */
@media(max-width:768px){
  header{
    flex-wrap:wrap;
    gap:8px;
    padding:12px 16px;
    background:var(--navy);
  }
  .logo{color:#fff;}
  .logo small{color:rgba(255,255,255,.6);}
  nav{
    width:100%;
    display:flex;
    gap:0;
    background:rgba(255,255,255,.08);
    border-radius:8px;
    overflow:hidden;
    flex-wrap:nowrap;
  }
  nav a:not(.cta-nav){
    flex:1;
    text-align:center;
    padding:8px 4px;
    font-size:11px;
    color:rgba(255,255,255,.85)!important;
    border-right:1px solid rgba(255,255,255,.15);
    letter-spacing:.04em;
  }
  nav a:last-of-type:not(.cta-nav){border-right:none;}
  .cta-nav{
    display:none;
  }
}

/* ヒーローh1：スマホで2行に収める */
@media(max-width:480px){
  .hero h1{
    font-size:22px!important;
    line-height:1.6;
  }
}

/* 毎日・AI・全込み：1段に */
@media(max-width:640px){
  .hero .hero-inner div[style*="display:flex"][style*="gap:28px"]{
    gap:16px!important;
    flex-wrap:nowrap!important;
  }
  .hero .hero-inner div[style*="font-size:26px"]{
    font-size:20px!important;
  }
  .hero .hero-inner div[style*="font-size:11px"]{
    font-size:10px!important;
  }
  .hero .hero-inner div[style*="width:1px"]{
    height:32px;
    align-self:center;
  }
}

/* 写真：スマホでは非表示（ヒーロー） */
@media(max-width:768px){
  .hero .hero-inner > div > div:last-child{
    display:none;
  }
}