@charset "UTF-8";
/* =========================================================
   酒井とし夫 公式サイト — 共通スタイルシート
   ========================================================= */
:root{
  --navy:#12213f;
  --navy-2:#1c3163;
  --gold:#c8973a;
  --gold-2:#e0b563;
  --ink:#22262f;
  --ink-soft:#4a5063;
  --paper:#fbf9f5;
  --paper-2:#f2ede2;
  --line:#e3ddcf;
  --white:#ffffff;
  --radius:14px;
  --shadow:0 12px 30px -14px rgba(18,33,63,.25);
  --maxw:1120px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.9;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:"Shippori Mincho","Hiragino Mincho ProN",serif;
  color:var(--navy);
  line-height:1.5;
  margin:0 0 .6em;
  font-weight:700;
}
h1{font-size:clamp(1.7rem,4vw,2.4rem);}
h2{font-size:clamp(1.4rem,3vw,1.9rem);}
h3{font-size:1.2rem;}
p{margin:0 0 1em;}
a{color:var(--navy-2);text-decoration:none;}
a:hover{text-decoration:underline;}
img{max-width:100%;display:block;}
ul,ol{padding-left:1.3em;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

/* ---------- skip link ---------- */
.skip-link{
  position:absolute;left:-999px;top:0;background:var(--navy);color:#fff;
  padding:.6em 1em;z-index:200;border-radius:0 0 8px 0;
}
.skip-link:focus{left:0;}

/* ---------- header / global nav ---------- */
.site-header{
  background:var(--white);
  border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:100;
}
.header-bar{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 24px;max-width:var(--maxw);margin:0 auto;gap:16px;
}
.brand{display:flex;flex-direction:column;line-height:1.3;}
.brand a{color:var(--navy);text-decoration:none;}
.brand .name{font-family:"Shippori Mincho",serif;font-size:1.25rem;font-weight:700;}
.brand .tagline{font-size:.72rem;color:var(--ink-soft);letter-spacing:.03em;}

.nav-toggle{display:none;}
.nav-toggle-label{
  display:none;cursor:pointer;padding:8px;border:1px solid var(--line);border-radius:8px;
}
.nav-toggle-label span,.nav-toggle-label span::before,.nav-toggle-label span::after{
  content:"";display:block;width:22px;height:2px;background:var(--navy);position:relative;transition:.2s;
}
.nav-toggle-label span::before{position:absolute;top:-7px;}
.nav-toggle-label span::after{position:absolute;top:7px;}

.gnav{display:flex;flex-wrap:wrap;gap:2px 4px;}
.gnav a{
  display:inline-block;padding:8px 12px;font-size:.9rem;color:var(--ink);border-radius:8px;white-space:nowrap;
}
.gnav a:hover,.gnav a[aria-current="page"]{background:var(--paper-2);color:var(--navy);text-decoration:none;}
.header-cta{
  display:flex;align-items:center;gap:10px;font-size:.85rem;white-space:nowrap;
}
.tel-link{font-weight:700;color:var(--navy);}
.btn{
  display:inline-block;background:var(--navy);color:#fff;padding:.75em 1.4em;border-radius:999px;
  font-weight:700;font-size:.92rem;text-align:center;border:1px solid var(--navy);
}
.btn:hover{background:var(--navy-2);text-decoration:none;}
.btn-gold{background:var(--gold);border-color:var(--gold);color:#2a1e05;}
.btn-gold:hover{background:var(--gold-2);}
.btn-outline{background:transparent;color:var(--navy);}
.btn-outline:hover{background:var(--navy);color:#fff;}
.btn-sm{padding:.5em 1.1em;font-size:.82rem;}

@media (max-width:900px){
  .nav-toggle-label{display:block;}
  .gnav{
    display:none;width:100%;flex-direction:column;gap:0;
    border-top:1px solid var(--line);padding-top:8px;
  }
  .gnav a{padding:12px 6px;border-bottom:1px solid var(--line);border-radius:0;}
  .nav-toggle:checked ~ .gnav{display:flex;}
  .header-bar{flex-wrap:wrap;}
  .header-cta{display:none;}
}

/* ---------- breadcrumb ---------- */
.breadcrumb{font-size:.8rem;color:var(--ink-soft);padding:14px 0;}
.breadcrumb ol{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:4px;}
.breadcrumb li:not(:last-child)::after{content:"›";margin-left:6px;color:#b9b0a0;}
.breadcrumb a{color:var(--ink-soft);}

/* ---------- hero ---------- */
.hero{
  background:linear-gradient(135deg,var(--navy) 0%,var(--navy-2) 55%,#233a72 100%);
  color:#fff;padding:64px 0 56px;position:relative;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-80px;top:-80px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(224,181,99,.35),transparent 70%);
}
.hero .container{position:relative;z-index:1;}
.hero-badge{
  display:inline-block;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.35);
  color:var(--gold-2);padding:.35em 1em;border-radius:999px;font-size:.8rem;font-weight:700;margin-bottom:18px;
  letter-spacing:.04em;
}
.hero h1{color:#fff;margin-bottom:.4em;}
.hero .lede{font-size:1.05rem;color:#e7e9f2;max-width:52em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:20px 26px;margin-top:34px;}
.hero-stats div{min-width:100px;}
.hero-stats .num{font-family:"Shippori Mincho",serif;font-size:1.9rem;color:var(--gold-2);font-weight:700;display:block;}
.hero-stats .label{font-size:.78rem;color:#cfd4e6;}

.hero-grid{display:grid;grid-template-columns:1.16fr 1.04fr;gap:12px;align-items:stretch;}
.hero-photo{
  position:relative;display:flex;align-items:flex-end;justify-content:center;
  min-height:100%;isolation:isolate;padding-top:10px;
}
.hero-photo::before{
  content:"";position:absolute;z-index:0;
  width:420px;height:420px;border-radius:50%;top:-4%;left:50%;transform:translateX(-50%);
  background:radial-gradient(circle,rgba(224,181,99,.34) 0%,rgba(224,181,99,.10) 48%,transparent 72%);
}
.hero-photo::after{
  content:"";position:absolute;z-index:0;left:50%;bottom:2%;
  width:260px;height:32px;transform:translateX(-50%);border-radius:50%;
  background:radial-gradient(ellipse,rgba(0,0,0,.45),transparent 70%);
}
.hero-photo img{
  position:relative;z-index:1;display:block;
  height:100%;max-height:640px;width:auto;max-width:112%;
  filter:drop-shadow(0 22px 26px rgba(0,0,0,.4));
}
@media (max-width:1080px){
  .hero-photo img{max-height:560px;}
}
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;align-items:stretch;}
  .hero-photo{order:-1;min-height:0;height:auto;margin-bottom:6px;padding-top:0;}
  .hero-photo::before{width:230px;height:230px;}
  .hero-photo img{height:auto;max-height:320px;}
}

.profile-photo-card{text-align:center;padding-top:30px;overflow:hidden;}
.profile-photo-card .photo-frame{
  position:relative;display:flex;align-items:flex-end;justify-content:center;
  min-height:270px;margin-bottom:14px;isolation:isolate;
}
.profile-photo-card .photo-frame::before{
  content:"";position:absolute;z-index:0;top:-6%;left:50%;transform:translateX(-50%);
  width:210px;height:210px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,151,58,.20) 0%,rgba(200,151,58,.07) 50%,transparent 75%);
}
.profile-photo-card img{
  position:relative;z-index:1;max-height:270px;width:auto;max-width:92%;
  filter:drop-shadow(0 14px 16px rgba(18,33,63,.28));
}
.profile-photo-card h3{margin-bottom:.15em;}

.page-hero{
  background:linear-gradient(120deg,var(--navy),var(--navy-2));
  color:#fff;padding:44px 0 40px;
}
.page-hero h1{color:#fff;margin-bottom:.3em;}
.page-hero p{color:#dfe2ef;max-width:56em;margin:0;}

/* ---------- sections ---------- */
section{padding:56px 0;}
.section-tight{padding:36px 0;}
.section-alt{background:var(--paper-2);}
.section-navy{background:var(--navy);color:#fff;}
.section-navy h2{color:#fff;}
.eyebrow{
  display:block;color:var(--gold);font-weight:700;font-size:.82rem;letter-spacing:.08em;margin-bottom:.5em;
  text-transform:uppercase;
}
.section-head{max-width:760px;margin:0 auto 34px;text-align:center;}
.section-head p{color:var(--ink-soft);}
.lead-text{font-size:1.05rem;color:var(--ink-soft);max-width:70em;}

/* ---------- cards / grids ---------- */
.grid{display:grid;gap:22px;}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));}
.grid-4{grid-template-columns:repeat(auto-fit,minmax(210px,1fr));}
.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);
}
.card h3{margin-bottom:.5em;}
.card-flat{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:22px;}

.icon-badge{
  width:46px;height:46px;border-radius:12px;background:var(--paper-2);color:var(--navy);
  display:flex;align-items:center;justify-content:center;margin-bottom:14px;
}
.icon-badge svg{width:24px;height:24px;stroke:var(--navy);fill:none;stroke-width:1.7;}

.reason-num{
  font-family:"Shippori Mincho",serif;color:var(--gold);font-size:1.6rem;font-weight:700;
  display:block;margin-bottom:6px;
}

/* ---------- tag / chip list (講演テーマ等) ---------- */
.tag-list{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:10px;}
.tag-list li{
  background:var(--white);border:1px solid var(--line);border-radius:999px;padding:.5em 1.1em;font-size:.88rem;
}
.tag-list.on-navy li{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.3);color:#fff;}

/* ---------- testimonial ---------- */
blockquote.voice{
  margin:0;background:var(--white);border:1px solid var(--line);border-left:4px solid var(--gold);
  border-radius:0 var(--radius) var(--radius) 0;padding:22px 24px;
}
blockquote.voice p{margin:0 0 .6em;color:var(--ink);}
blockquote.voice cite{font-size:.85rem;color:var(--ink-soft);font-style:normal;font-weight:700;}

/* ---------- lists with check icon ---------- */
.check-list{list-style:none;padding:0;margin:0;}
.check-list li{position:relative;padding-left:1.8em;margin-bottom:.7em;}
.check-list li::before{
  content:"✓";position:absolute;left:0;top:0;color:var(--gold);font-weight:700;
}

/* ---------- table ---------- */
.data-table{width:100%;border-collapse:collapse;background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);}
.data-table caption{text-align:left;padding:12px 4px;color:var(--ink-soft);font-size:.85rem;}
.data-table th,.data-table td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;font-size:.94rem;}
.data-table th{background:var(--paper-2);color:var(--navy);width:9.5em;white-space:nowrap;}
.table-wrap{overflow-x:auto;}

/* ---------- timeline (経歴/実績) ---------- */
.timeline{list-style:none;margin:0;padding:0;border-left:2px solid var(--line);}
.timeline li{position:relative;padding:0 0 26px 26px;}
.timeline li::before{
  content:"";position:absolute;left:-7px;top:6px;width:12px;height:12px;border-radius:50%;
  background:var(--gold);border:2px solid var(--white);box-shadow:0 0 0 2px var(--gold);
}
.timeline .yr{font-weight:700;color:var(--navy);display:block;margin-bottom:.2em;font-family:"Shippori Mincho",serif;}

/* ---------- FAQ (details/summary, no JS) ---------- */
.faq-group{margin-bottom:36px;}
.faq-item{background:var(--white);border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden;}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 50px 18px 20px;font-weight:700;color:var(--navy);position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:1.3rem;color:var(--gold);font-weight:700;
}
.faq-item[open] summary::after{content:"–";}
.faq-item .a{padding:0 20px 20px;color:var(--ink-soft);}
.faq-item .q-label,.faq-item .a-label{font-weight:700;color:var(--gold);margin-right:.4em;}

/* ---------- materials download banner ---------- */
.materials-banner{
  display:flex;align-items:center;gap:22px;text-decoration:none;
  background:linear-gradient(120deg,var(--gold) 0%,var(--gold-2) 55%,#f0cd8c 100%);
  color:var(--navy);border-radius:18px;padding:26px 30px;
  box-shadow:0 18px 40px -16px rgba(200,151,58,.55);
  border:1px solid rgba(255,255,255,.4);
  position:relative;overflow:hidden;
  transition:transform .18s ease, box-shadow .18s ease;
}
.materials-banner::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 85% 20%,rgba(255,255,255,.5),transparent 55%);
  pointer-events:none;
}
.materials-banner:hover,.materials-banner:focus-visible{
  text-decoration:none;transform:translateY(-3px);
  box-shadow:0 26px 50px -16px rgba(200,151,58,.65);
}
.materials-banner-icon{
  flex:none;width:64px;height:64px;border-radius:14px;background:var(--navy);
  display:flex;align-items:center;justify-content:center;position:relative;z-index:1;
  box-shadow:0 8px 18px -6px rgba(18,33,63,.6);
}
.materials-banner-icon svg{width:30px;height:30px;stroke:var(--gold-2);fill:none;stroke-width:1.6;}
.materials-banner-text{flex:1;min-width:0;position:relative;z-index:1;}
.materials-banner-eyebrow{
  display:block;font-size:.76rem;font-weight:700;letter-spacing:.08em;
  color:#4a3813;text-transform:uppercase;margin-bottom:4px;
}
.materials-banner-title{
  display:block;font-family:"Shippori Mincho",serif;font-weight:800;
  font-size:clamp(1.25rem,2.6vw,1.7rem);color:var(--navy);line-height:1.35;
}
.materials-banner-sub{
  display:block;font-size:.88rem;color:#4a3813;margin-top:6px;line-height:1.6;
}
.materials-banner-arrow{
  flex:none;width:46px;height:46px;border-radius:50%;background:var(--navy);color:var(--gold-2);
  display:flex;align-items:center;justify-content:center;font-size:1.3rem;font-weight:700;
  position:relative;z-index:1;transition:transform .18s ease;
}
.materials-banner:hover .materials-banner-arrow{transform:translateX(4px);}
@media (max-width:640px){
  .materials-banner{flex-wrap:wrap;padding:22px;}
  .materials-banner-arrow{display:none;}
}

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--navy),var(--navy-2));
  color:#fff;border-radius:20px;padding:44px 36px;text-align:center;
}
.cta-band h2{color:#fff;}
.cta-band p{color:#dfe2ef;}
.cta-band .hero-actions{justify-content:center;}

/* ---------- footer ---------- */
.site-footer{background:var(--navy);color:#cfd4e6;padding:48px 0 20px;margin-top:60px;}
.footer-grid{display:grid;gap:32px;grid-template-columns:2fr repeat(3,1fr);margin-bottom:30px;}
.site-footer h4{color:#fff;font-size:.95rem;margin-bottom:.9em;font-family:"Noto Sans JP",sans-serif;}
.site-footer a{color:#cfd4e6;}
.site-footer a:hover{color:#fff;}
.site-footer ul{list-style:none;padding:0;margin:0;}
.site-footer li{margin-bottom:.5em;font-size:.88rem;}
.footer-brand .name{color:#fff;font-family:"Shippori Mincho",serif;font-size:1.2rem;}
.footer-brand address{font-style:normal;font-size:.86rem;margin:.8em 0;line-height:1.8;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.15);padding-top:18px;font-size:.78rem;color:#9aa2bf;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
}
@media (max-width:800px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:480px){.footer-grid{grid-template-columns:1fr;}}

/* ---------- misc ---------- */
.two-col{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start;}
@media (max-width:860px){.two-col{grid-template-columns:1fr;}}
.note-box{
  background:#fff7e6;border:1px solid #eddcae;border-radius:12px;padding:18px 20px;font-size:.9rem;color:#5c4a1a;
}
.credential-list{list-style:none;padding:0;margin:0;columns:2;column-gap:24px;}
.credential-list li{break-inside:avoid;position:relative;padding-left:1.4em;margin-bottom:.6em;font-size:.92rem;}
.credential-list li::before{content:"◆";position:absolute;left:0;color:var(--gold);font-size:.7em;top:.4em;}
@media (max-width:600px){.credential-list{columns:1;}}

.definition{
  background:var(--white);border:1px solid var(--line);border-radius:12px;padding:20px 22px;margin:0 0 1.4em;
}
.definition dt{font-weight:700;color:var(--navy);margin-bottom:.3em;}
.definition dd{margin:0;color:var(--ink-soft);}

.updated{font-size:.8rem;color:var(--ink-soft);}
.company-list{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:8px;font-size:.86rem;color:var(--ink-soft);}
.company-list li{background:var(--white);border:1px solid var(--line);border-radius:6px;padding:.4em .8em;}