*{margin:0;padding:0;box-sizing:border-box;}
:root{
  --navy:#1F3A5F;--navy-2:#13223b;--blue:#3E6FA8;--sky:#6FA8D6;
  --sky-soft:#EAF2FA;--teal:#2E9BD8;--gray:#6B7280;--gray-line:#E3E8EF;
  --white:#fff;--bg-soft:#F6F8FB;--photo-navy:#232C37;--ink:#22303F;
}
html{scroll-behavior:smooth;}
body{font-family:"Noto Sans JP",sans-serif;color:var(--ink);background:#fff;line-height:1.7;-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;}
.en{font-family:"Oswald",sans-serif;}

/* ---------- Header ---------- */
header{position:fixed;top:0;left:0;width:100%;z-index:100;padding:14px 0;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);box-shadow:0 2px 20px rgba(31,58,95,.06);}
.wrap{width:92%;max-width:1180px;margin:0 auto;}
.hd-in{display:flex;align-items:center;justify-content:space-between;}
.hd-logo img{height:30px;width:auto;}
.hd-back{font-size:.82rem;font-weight:700;color:var(--navy);display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border:1px solid var(--gray-line);border-radius:40px;transition:.2s;}
.hd-back:hover{background:var(--navy);color:#fff;border-color:var(--navy);}

/* ---------- Person panels ---------- */
.iv-person{display:none;}
.iv-person.active{display:block;animation:fade .5s ease;}
@keyframes fade{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:none;}}

/* ---------- Hero ---------- */
.iv-hero{position:relative;background:var(--photo-navy);min-height:92vh;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;overflow:hidden;padding-top:60px;}
.iv-hero .h-text{padding:60px 6% 60px 8%;position:relative;z-index:2;}
.iv-hero .h-cat{display:inline-block;font-family:"Oswald",sans-serif;font-size:.76rem;letter-spacing:.14em;font-weight:600;color:#fff;background:var(--blue);padding:6px 16px;border-radius:30px;margin-bottom:26px;}
.iv-hero .h-quote{color:#fff;font-weight:900;font-size:clamp(1.7rem,3.2vw,2.7rem);line-height:1.5;letter-spacing:.01em;margin-bottom:34px;text-shadow:0 2px 30px rgba(0,0,0,.25);}
.iv-hero .h-quote .mk{color:var(--sky);font-family:"Klee One",serif;}
.iv-hero .h-meta{display:flex;align-items:flex-end;gap:18px;flex-wrap:wrap;}
.iv-hero .h-name{color:#fff;font-size:1.9rem;font-weight:900;letter-spacing:.04em;}
.iv-hero .h-name small{display:block;font-size:.72rem;font-weight:600;color:rgba(255,255,255,.65);letter-spacing:.12em;margin-bottom:4px;font-family:"Oswald",sans-serif;}
.iv-hero .h-tags{display:flex;flex-direction:column;gap:6px;padding-bottom:4px;}
.iv-hero .h-tag{font-size:.8rem;color:rgba(255,255,255,.85);border-left:2px solid var(--sky);padding-left:12px;}
.iv-hero .h-photo{position:relative;height:100%;min-height:92vh;}
.iv-hero .h-photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 20%;}
.iv-hero .h-photo::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,var(--photo-navy) 0%,rgba(35,44,55,.5) 12%,rgba(35,44,55,0) 34%);}
.iv-hero .scroll-cue{position:absolute;bottom:24px;left:8%;z-index:3;color:rgba(255,255,255,.6);font-size:.68rem;font-family:"Oswald",sans-serif;letter-spacing:.1em;}
.iv-hero .scroll-cue::after{content:"";display:block;width:1px;height:38px;background:linear-gradient(rgba(255,255,255,.6),transparent);margin:8px auto 0;}

/* ---------- Body ---------- */
.iv-body{background:#fff;padding:84px 0 40px;}
.iv-read{max-width:760px;margin:0 auto;width:92%;}
.iv-lead{font-size:1.15rem;font-weight:700;color:var(--navy);line-height:1.9;padding-bottom:40px;margin-bottom:44px;border-bottom:1px solid var(--gray-line);}
.iv-section{margin-bottom:52px;}
.iv-section h3{font-size:clamp(1.25rem,2.2vw,1.55rem);font-weight:900;color:var(--navy);line-height:1.6;margin-bottom:22px;padding-left:18px;position:relative;}
.iv-section h3::before{content:"";position:absolute;left:0;top:.15em;bottom:.15em;width:5px;border-radius:4px;background:linear-gradient(var(--teal),var(--blue));}
.iv-section p{font-size:1rem;color:#374250;line-height:2.05;margin-bottom:18px;}
.iv-section p strong{color:var(--navy);font-weight:700;background:linear-gradient(transparent 62%,rgba(111,168,214,.32) 62%);padding:0 2px;}

/* ---------- Coming soon ---------- */
.iv-soon{min-height:70vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:14px;padding:80px 6%;}
.iv-soon .s-cat{font-family:"Oswald",sans-serif;font-size:.78rem;letter-spacing:.12em;color:#fff;background:var(--gray);padding:6px 16px;border-radius:30px;}
.iv-soon h2{font-size:clamp(1.6rem,3vw,2.2rem);color:var(--navy);font-weight:900;}
.iv-soon .s-badge{font-size:.72rem;font-weight:700;color:#fff;background:var(--gray);border-radius:20px;padding:3px 12px;}
.iv-soon p{color:var(--gray);font-size:.95rem;max-width:520px;line-height:1.9;}

/* ---------- Person nav (bottom) ---------- */
.iv-pnav{border-top:1px solid var(--gray-line);margin-top:56px;}
.iv-pnav-in{max-width:1000px;margin:0 auto;width:92%;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;padding:34px 0 70px;}
.pnav-btn{display:flex;align-items:center;gap:14px;cursor:pointer;transition:.25s;padding:14px 16px;border-radius:16px;}
.pnav-btn:hover{background:var(--bg-soft);}
.pnav-btn.next{justify-self:end;flex-direction:row-reverse;text-align:right;}
.pnav-btn .pn-chev{width:44px;height:44px;border-radius:50%;border:1.5px solid var(--gray-line);display:flex;align-items:center;justify-content:center;color:var(--blue);flex:none;transition:.25s;}
.pnav-btn:hover .pn-chev{background:var(--blue);color:#fff;border-color:var(--blue);}
.pnav-btn .pn-lb{font-family:"Oswald",sans-serif;font-size:.64rem;letter-spacing:.1em;color:var(--gray);display:block;}
.pnav-btn .pn-nm{font-size:1rem;font-weight:900;color:var(--navy);}
.pnav-list{justify-self:center;font-size:.82rem;font-weight:700;color:var(--gray);border:1px solid var(--gray-line);border-radius:40px;padding:10px 20px;transition:.2s;}
.pnav-list:hover{background:var(--navy);color:#fff;border-color:var(--navy);}

/* ---------- Side arrows (fixed) ---------- */
.side-arrow{position:fixed;top:50%;transform:translateY(-50%);z-index:80;width:52px;height:52px;border-radius:50%;background:rgba(255,255,255,.92);box-shadow:0 8px 24px rgba(31,58,95,.16);display:flex;align-items:center;justify-content:center;color:var(--navy);cursor:pointer;transition:.25s;border:1px solid var(--gray-line);}
.side-arrow:hover{background:var(--blue);color:#fff;transform:translateY(-50%) scale(1.08);}
.side-arrow.left{left:22px;}
.side-arrow.right{right:22px;}

@media(max-width:900px){
  .iv-hero{grid-template-columns:1fr;min-height:auto;padding-top:56px;}
  .iv-hero .h-photo{min-height:56vh;order:-1;}
  .iv-hero .h-photo img{object-position:center 15%;}
  .iv-hero .h-photo::before{background:linear-gradient(0deg,var(--photo-navy) 0%,rgba(35,44,55,0) 40%);}
  .iv-hero .h-text{padding:36px 8% 54px;}
  .iv-hero .scroll-cue{display:none;}
  .side-arrow{display:none;}
  .iv-body{padding:56px 0 30px;}
  .iv-pnav-in{grid-template-columns:1fr 1fr;gap:10px;padding-bottom:48px;}
  .pnav-list{grid-column:1 / -1;order:3;justify-self:stretch;text-align:center;}
  .pnav-btn{padding:10px 8px;}
  .pnav-btn .pn-nm{font-size:.9rem;}
}