:root{
  --bg:#F5F5F0; --ink:#1A1A1A; --muted:#5b605c;
  --deep:#0B3D5C; --teal:#0E7C6B; --green:#5BA64B; --amber:#E0A327; --copper:#C8772A; --blue:#2E7BB5; --purple:#7A6FB0; --cyan:#1F6F8B;
  --line:#E4E2D9; --card:#ffffff; --accent:#0E7C6B;
  --wrap:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:"Noto Sans JP","Hiragino Sans","Hiragino Kaku Gothic ProN",-apple-system,system-ui,sans-serif;
  line-height:1.75;-webkit-font-smoothing:antialiased;font-size:16px}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
h1,h2,h3{font-weight:800;line-height:1.25;letter-spacing:.01em;margin:0}

/* Header */
.site-head{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid var(--line)}
.head-row{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;max-width:var(--wrap);margin:0 auto}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--deep),var(--teal) 55%,var(--green));flex:none;position:relative;box-shadow:0 2px 8px rgba(11,61,92,.28)}
.brand-mark::after{content:"";position:absolute;inset:9px;border-radius:50%;border:2px solid rgba(255,255,255,.9)}
.brand-name{font-weight:900;font-size:19px;letter-spacing:.04em}
.brand-sub{display:block;font-weight:500;font-size:10px;letter-spacing:.22em;color:var(--muted);margin-top:-2px}
.head-tag{font-weight:800;font-size:14px;color:var(--deep);letter-spacing:.02em}
@media(max-width:640px){.head-tag{display:none}}

/* Nav */
.nav{border-bottom:1px solid var(--line);background:#fff}
.nav-row{display:flex;gap:4px;max-width:var(--wrap);margin:0 auto;padding:0 16px;overflow-x:auto;scrollbar-width:none}
.nav-row::-webkit-scrollbar{display:none}
.nav-row a{white-space:nowrap;padding:13px 14px;font-size:14px;font-weight:700;color:#3a3f3b;border-bottom:3px solid transparent;transition:.15s}
.nav-row a:hover{color:var(--teal)}
.nav-row a.active{color:var(--teal);border-bottom-color:var(--teal)}
.lock{opacity:.55;font-size:11px}

/* Ticker */
.ticker{background:#0B3D5C;color:#eaf2f0;font-size:13px;overflow:hidden;white-space:nowrap}
.ticker-track{display:inline-block;padding:9px 0;animation:tick 34s linear infinite}
.ticker-track span{padding:0 26px;opacity:.95}
.ticker-track span b{color:#9bd3c5;font-weight:700}
@keyframes tick{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* Hero */
.hero{position:relative;color:#fff;overflow:hidden;
  background:linear-gradient(105deg,#0B3D5C 0%,#0E6E6B 46%,#4F9E54 100%)}
.hero::before{content:"";position:absolute;right:-60px;top:-40px;width:520px;height:520px;
  background:
   radial-gradient(circle at 30% 30%, rgba(255,255,255,.10) 0 38%, transparent 39%),
   repeating-linear-gradient(0deg, rgba(255,255,255,.07) 0 2px, transparent 2px 46px),
   repeating-linear-gradient(90deg, rgba(255,255,255,.07) 0 2px, transparent 2px 46px);
  border-radius:40px;transform:rotate(8deg);opacity:.8}
.hero-inner{max-width:var(--wrap);margin:0 auto;padding:60px 24px 66px;position:relative;z-index:2}
.badge{display:inline-block;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);
  border-radius:999px;padding:5px 15px;font-size:13px;font-weight:700;letter-spacing:.04em;margin-bottom:20px}
.hero h1{font-size:clamp(30px,5vw,52px);font-weight:900;max-width:18em}
.hero .en{display:block;font-size:clamp(15px,2.1vw,21px);font-weight:700;opacity:.86;margin-top:10px;letter-spacing:.01em}
.hero .tagline{font-style:italic;font-size:clamp(15px,2vw,19px);opacity:.92;margin:18px 0 0}
.subcopies{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 0}
.subcopies span{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);border-radius:8px;padding:7px 13px;font-size:13.5px;font-weight:500}
.hero p.lead{max-width:50em;margin:22px 0 0;font-size:15.5px;opacity:.95;line-height:1.85}
.cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:999px;padding:13px 26px;font-weight:800;font-size:15px;transition:.15s;cursor:pointer}
.btn-solid{background:#fff;color:var(--deep)}
.btn-solid:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(0,0,0,.18)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.7);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}

/* Sections */
section{padding:64px 0}
.sec-head{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.sec-head h2{font-size:clamp(21px,3vw,27px)}
.sec-head .em{font-size:24px;flex:none}
.sec-rule{height:1px;background:var(--line);flex:1}
.sec-lead{color:var(--muted);max-width:62em;margin:6px 0 30px;font-size:15px}
.kicker{font-size:12px;font-weight:800;letter-spacing:.18em;color:var(--teal);margin-bottom:4px}

/* Channel cards */
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media(max-width:880px){.grid4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.grid4{grid-template-columns:1fr}}
.ch{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;transition:.15s}
.ch:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(11,61,92,.08)}
.ch .ic{font-size:26px}
.ch h3{font-size:16px;margin:12px 0 6px}
.ch p{margin:0;color:var(--muted);font-size:13.5px;line-height:1.7}
.ch .planned{display:inline-block;margin-top:10px;font-size:11px;font-weight:700;color:var(--copper);background:#faf2e6;border-radius:6px;padding:3px 9px}

/* Business portfolio */
.biz-root{max-width:520px;margin:0 auto;text-align:center;color:#fff;border-radius:16px;padding:22px 26px;
  background:linear-gradient(100deg,#0B3D5C,#0E7C6B 55%,#5BA64B);
  font-weight:800;font-size:22px;letter-spacing:.05em;box-shadow:0 6px 18px rgba(11,61,92,.25)}
.biz-root small{display:block;font-weight:500;font-size:12px;opacity:.85;letter-spacing:.1em;margin-top:5px}
.biz-stem{width:2px;height:30px;background:var(--line);margin:0 auto}
.biz-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:820px){.biz-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.biz-grid{grid-template-columns:1fr}}
.biz{border:1px solid var(--line);border-top:4px solid var(--pc,var(--teal));border-radius:14px;padding:20px;background:#fff;transition:.15s}
.biz:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(11,61,92,.08)}
.biz h3{font-size:16px;display:flex;align-items:center;gap:7px}
.biz .en{display:block;font-size:11px;font-weight:800;letter-spacing:.16em;color:var(--muted);margin:6px 0 9px}
.biz p{margin:0 0 12px;color:var(--muted);font-size:13px;line-height:1.7}
.tags{display:flex;flex-wrap:wrap;gap:7px}
.tags span{font-size:11.5px;background:#f1f1ea;border-radius:6px;padding:4px 9px;color:#4a4f4b}
.tags span.hot{background:#e7f3ec;color:#2c7a4d;font-weight:700}
.status{font-size:11px;font-weight:700;color:#fff;background:var(--muted);border-radius:6px;padding:2px 8px;margin-left:auto}
.status.soon{background:#b07c2a}

/* Pillars */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:820px){.grid3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.grid3{grid-template-columns:1fr}}
.pill{background:#fff;border:1px solid var(--line);border-left:4px solid var(--pc,var(--teal));border-radius:12px;padding:20px 22px}
.pill .no{font-size:12px;font-weight:800;color:var(--pc,var(--teal));letter-spacing:.1em}
.pill h3{font-size:16.5px;margin:6px 0 8px}
.pill p{margin:0;color:var(--muted);font-size:13.5px;line-height:1.7}

/* About / editorial */
.panel{background:#fff;border:1px solid var(--line);border-radius:16px;padding:34px 36px}
@media(max-width:520px){.panel{padding:26px 22px}}
.panel p{font-size:15px;line-height:1.95;color:#33372f}
.panel p+p{margin-top:16px}
.byline{margin-top:22px;font-size:13px;color:var(--muted);font-weight:700}
.rules{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:6px}
@media(max-width:760px){.rules{grid-template-columns:1fr}}
.rule{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px}
.rule h3{font-size:15px;margin-bottom:7px;color:var(--deep)}
.rule p{margin:0;font-size:13.5px;color:var(--muted);line-height:1.7}

/* Contact */
.contact{background:linear-gradient(105deg,#0B3D5C,#0E6E6B 60%,#3f8f57);color:#fff;border-radius:18px;padding:44px 40px;text-align:center}
.contact h2{font-size:clamp(21px,3vw,28px);color:#fff}
.contact p{opacity:.92;margin:12px auto 0;max-width:46em;font-size:15px}
.contact .mail{display:inline-flex;align-items:center;gap:9px;margin-top:24px;background:#fff;color:var(--deep);
  font-weight:800;border-radius:999px;padding:14px 30px;font-size:16px;transition:.15s}
.contact .mail:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(0,0,0,.22)}

/* Footer */
footer{background:#0B2A3D;color:#cdd9d6;margin-top:20px}
.foot-top{display:flex;flex-wrap:wrap;justify-content:space-between;gap:30px;padding:46px 0 26px}
.foot-brand .brand-name{color:#fff}
.foot-brand p{color:#9fb2ad;font-size:13.5px;max-width:30em;margin:12px 0 0}
.foot-links{display:flex;flex-wrap:wrap;gap:26px}
.foot-col h4{font-size:12px;letter-spacing:.12em;color:#7fa39a;margin:0 0 10px;font-weight:800}
.foot-col a{display:block;color:#cdd9d6;font-size:13.5px;padding:4px 0;transition:.15s}
.foot-col a:hover{color:#fff}
.foot-bar{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center}
.foot-bar .pills{display:flex;flex-wrap:wrap;gap:10px}
.foot-bar .pills span{font-size:11.5px;background:rgba(255,255,255,.07);border-radius:6px;padding:5px 11px;color:#a9c0bb}
.foot-bar .cp{font-size:12.5px;color:#85a09a}
.disc{max-width:var(--wrap);margin:0 auto;padding:0 24px 30px;color:#6f8a84;font-size:12px;line-height:1.7}

/* ============ Document (fixed) pages ============ */
.doc-hero{background:linear-gradient(105deg,#0B3D5C 0%,#0E6E6B 55%,#3f8f57 100%);color:#fff;padding:50px 0 44px}
.doc-hero .wrap{max-width:880px}
.crumb{font-size:12.5px;opacity:.8;margin-bottom:12px}
.crumb a{text-decoration:none}
.crumb a:hover{text-decoration:underline}
.doc-hero h1{font-size:clamp(26px,4vw,38px);font-weight:900}
.doc-hero .en{display:block;margin-top:8px;font-size:14px;font-weight:700;letter-spacing:.06em;opacity:.85}
.doc-hero p.sub{margin:14px 0 0;max-width:48em;font-size:15px;opacity:.94}

.doc-wrap{max-width:880px;margin:0 auto;padding:52px 24px 64px}
.doc-body{font-size:15.5px;line-height:1.95;color:#2c302a}
.doc-body h2{font-size:21px;margin:40px 0 12px;padding-bottom:8px;border-bottom:2px solid var(--line)}
.doc-body h2:first-child{margin-top:0}
.doc-body h3{font-size:16.5px;margin:26px 0 8px;color:var(--deep)}
.doc-body p{margin:0 0 16px}
.doc-body ul,.doc-body ol{margin:0 0 18px;padding-left:1.3em}
.doc-body li{margin:6px 0}
.doc-body a.inline{color:var(--teal);text-decoration:underline;text-underline-offset:2px}
.doc-body strong{font-weight:700}
.lead-note{background:#fff;border:1px solid var(--line);border-left:4px solid var(--teal);border-radius:10px;padding:16px 20px;color:#33372f;font-size:14.5px;margin:0 0 26px}
.fill{background:#fff7e8;border:1px dashed #d9a94b;border-radius:6px;padding:1px 8px;font-size:13px;color:#8a6418;font-weight:700;white-space:nowrap}
.todo-note{background:#fff7e8;border:1px solid #ecd9af;border-radius:10px;padding:14px 18px;font-size:13.5px;color:#6b5320;margin:0 0 24px}

table.kv{width:100%;border-collapse:collapse;margin:0 0 24px;font-size:14.5px}
table.kv th,table.kv td{border:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top}
table.kv th{background:#f3f3ec;width:34%;font-weight:700;color:var(--deep)}
@media(max-width:560px){table.kv th{width:42%}}

.meta{margin-top:34px;padding-top:18px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.back-link{display:inline-block;margin-top:30px;font-weight:700;color:var(--teal)}
.back-link:hover{text-decoration:underline}