:root{
--black:#000000;
--yellow:#EBCD00;
--grey:#E4E4E4;   /* MIL Gray：タグ・KVの地 */
--rule:#D9D9D9;   /* Gray 15：薄い罫線 */
--band:#F1F1F1;   /* Gray 5：カードの地 */
--kv:#E4E4E4;
--white:#FFFFFF;
--caption:#8A8A8A; /* Gray 50：注記・出典のみ */
/* 和文・英数字とも游ゴシック（欧文書体は混ぜない）。游ゴシックのない環境ではNoto Sans JPで代替 */
--font-ja:"游ゴシック体","YuGothic","游ゴシック","Yu Gothic","Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP","Noto Sans CJK JP","Meiryo",sans-serif;
--font-en:var(--font-ja);
--w:1200px;
--gutter:40px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{font-family:var(--font-ja);font-weight:500;color:var(--black);background:var(--white);font-size:15px;line-height:1.8;font-feature-settings:"palt"}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit;color:inherit}
[hidden]{display:none !important}
.en{font-family:var(--font-en)}
.inner{max-width:var(--w);margin:0 auto;padding:0 var(--gutter)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
:focus-visible{outline:2px solid var(--black);outline-offset:3px}
.arrow{width:14px;height:14px;flex:none}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.site-header .inner{display:flex;align-items:center;justify-content:space-between;height:84px}
.logo img{height:40px;width:auto}
.logo-text{font-family:var(--font-en);font-weight:700;font-size:16px}
.gnav{display:flex;align-items:center;gap:26px}
.gnav a{font-family:var(--font-en);font-weight:700;font-size:12px;line-height:1;position:relative;padding:6px 0}
.gnav a[aria-current]::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--black)}
.gnav .contact{font-family:var(--font-ja);background:var(--black);color:var(--white);padding:0 18px;height:38px;display:inline-flex;align-items:center;font-size:13px;font-weight:700}
.gnav .contact::after{display:none}
.nav-toggle{display:none;font-family:var(--font-en);font-weight:700;font-size:12px;padding:8px 0}

/* ---------- breadcrumb ---------- */
.breadcrumb{padding:28px 0 0}
.breadcrumb ol{display:flex;flex-wrap:wrap;gap:0 10px;font-family:var(--font-en);font-weight:700;font-size:11px}
.breadcrumb li+li::before{content:"/";margin-right:10px}
.breadcrumb a:hover{text-decoration:underline;text-underline-offset:3px}

/* ---------- hero ---------- */
.paper-hero{padding:40px 0 56px}
.paper-hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:end}
.paper-logo{height:72px;width:auto}
.paper-logo-text{font-family:var(--font-en);font-weight:700;font-size:18px}
.paper-no{font-family:var(--font-en);font-weight:700;font-size:clamp(72px,10vw,136px);line-height:.9;margin-top:28px}
.paper-hero h1{font-size:clamp(24px,2.6vw,32px);line-height:1.5;font-weight:700;margin-top:28px}
.paper-meta{margin-top:14px;font-size:13px}
.paper-kv{aspect-ratio:16/9;background:var(--kv);overflow:hidden}
.paper-kv img{width:100%;height:100%;object-fit:contain}

/* ---------- overview ---------- */
.overview{padding:0 0 72px}
.overview-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:start}
.message{font-size:22px;line-height:1.7;font-weight:700}
.message mark{background:var(--yellow);color:var(--black);padding:.08em .3em;-webkit-box-decoration-break:clone;box-decoration-break:clone}
.description{margin-top:28px;max-width:40em;font-size:15px}
.btn{display:inline-flex;align-items:center;gap:14px;background:var(--black);color:var(--white);font-weight:700;font-size:14px;padding:16px 28px;margin-top:36px}
.btn:hover{background:var(--yellow);color:var(--black)}
.spec{border-top:1px solid var(--black)}
.spec > div{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:16px 0;border-bottom:1px solid var(--rule);font-size:13px}
.spec dt{font-weight:700}
.spec dd a{text-decoration:underline;text-underline-offset:3px}

/* ---------- sections ---------- */
.sec{padding:64px 0}
.band{background:var(--band)}
.sec-title{display:flex;align-items:baseline;gap:18px;margin-bottom:36px}
.sec-title .en{font-family:var(--font-en);font-weight:700;font-size:clamp(30px,3.6vw,42px);line-height:1}
.sec-title .ja{font-size:12px;font-weight:700}

/* ---------- agenda ---------- */
.agenda{border-top:1px solid var(--black);max-width:880px}
.agenda li{display:grid;grid-template-columns:72px 1fr;gap:16px 24px;padding:22px 0;border-bottom:1px solid var(--rule);align-items:baseline}
.agenda .num{font-family:var(--font-en);font-weight:700;font-size:20px}
.agenda h3{font-size:17px;font-weight:700;line-height:1.5}
.agenda p{font-size:13px;margin-top:4px}

/* ---------- form ---------- */
.form-wrap{max-width:760px;margin:0 auto;border:1px solid var(--black);padding:48px 56px}
.form-title{font-size:22px;line-height:1.5}
.form-lead{margin-top:8px;font-size:13px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px 24px;margin-top:32px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-size:13px;font-weight:700;display:flex;align-items:center;gap:8px}
.req{display:inline-block;background:var(--yellow);color:var(--black);font-size:10px;font-weight:700;line-height:1;padding:4px 6px}
.field input[type=text],.field input[type=email],.field input[type=tel]{border:1px solid #B8B8B8;padding:12px 14px;background:var(--white);width:100%}
.field input:focus{border-color:var(--black);outline:none}
.name-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.checks{grid-column:1/-1;display:flex;flex-direction:column;gap:12px;margin-top:4px}
.check{display:flex;align-items:flex-start;gap:10px;font-size:13px;line-height:1.6}
.check input{margin-top:5px;width:16px;height:16px;flex:none}
.check a{text-decoration:underline;text-underline-offset:3px}
.submit{grid-column:1/-1;display:inline-flex;align-items:center;gap:14px;justify-self:start;background:var(--black);color:var(--white);font-weight:700;font-size:14px;padding:16px 32px;margin-top:8px}
.submit:hover{background:var(--yellow);color:var(--black)}

/* ---------- cards (back numbers) ---------- */
.cards{display:grid;gap:44px 28px}
.cards-3{grid-template-columns:repeat(3,1fr)}
.card a{display:block;height:100%}
.card .kv{aspect-ratio:16/9;background:var(--grey);overflow:hidden}
.card .kv img{width:100%;height:100%;object-fit:contain}
.card .meta{display:flex;align-items:center;flex-wrap:wrap;gap:8px 10px;margin-top:14px;font-size:12px;line-height:1.4}
.tag{display:inline-block;background:var(--grey);padding:4px 8px;font-weight:700;font-size:12px;line-height:1.3}
.band .tag{background:var(--white)}
.card time{font-family:var(--font-en);font-weight:700}
.card h3{margin-top:10px;font-size:16px;line-height:1.55;font-weight:700}
.card .desc{margin-top:8px;font-size:13px;line-height:1.75}
.card a:hover h3{text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
.link-more{display:inline-flex;align-items:center;gap:12px;margin-top:48px;font-family:var(--font-en);font-weight:700;font-size:14px}
.link-more .arrow{color:var(--yellow);width:18px;height:18px}
.link-more:hover{text-decoration:underline;text-underline-offset:5px}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--rule);padding:64px 0 48px}
.footer-grid{display:grid;grid-template-columns:1fr auto;gap:40px 80px;align-items:start}
.footer-op .op{font-family:var(--font-en);font-weight:700;font-size:11px}
.footer-op img{height:30px;width:auto;margin-top:14px}
.footer-text{margin-top:16px;font-size:12px;line-height:1.9}
.footer-text a{text-decoration:underline;text-underline-offset:3px}
.copy{margin-top:24px;font-size:11px}
.footer-nav{display:grid;grid-template-columns:repeat(2,auto);gap:12px 40px}
.footer-nav a{font-family:var(--font-en);font-weight:700;font-size:12px}

/* ---------- responsive ---------- */
@media (max-width:860px){
:root{--gutter:24px}
.site-header .inner{height:68px}
.logo img{height:32px}
.nav-toggle{display:inline-flex}
.gnav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--white);flex-direction:column;align-items:flex-start;gap:18px;padding:20px 24px 28px;border-bottom:1px solid var(--rule)}
.gnav.is-open{display:flex}
.gnav .contact{margin-top:6px}
.paper-hero{padding:28px 0 40px}
.paper-hero-grid{grid-template-columns:1fr;gap:32px}
.paper-kv{order:-1}
.paper-no{margin-top:20px}
.overview{padding-bottom:48px}
.overview-grid{grid-template-columns:1fr;gap:36px}
.message{font-size:19px}
.sec{padding:48px 0}
.agenda li{grid-template-columns:56px 1fr}
.form-wrap{padding:32px 24px}
.form-grid{grid-template-columns:1fr}
.cards-3{grid-template-columns:repeat(2,1fr);gap:32px 20px}
.footer-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
.cards-3{grid-template-columns:1fr}
.name-row{grid-template-columns:1fr}
}

.news{max-width:880px}
.news .meta{display:flex;align-items:center;gap:12px;font-size:12px;margin-bottom:18px}
.news .meta time{font-weight:700}
.news h1{font-size:clamp(24px,2.8vw,32px);line-height:1.5;font-weight:700}
.news .photo{margin-top:32px}
.news .photo img{width:100%;height:auto;display:block}
.news .text p{font-size:15px;line-height:1.95;margin-top:20px}
.news h2{font-size:22px;font-weight:700;margin:56px 0 16px}
.agenda{border-top:1px solid var(--black)}
.agenda li{display:grid;grid-template-columns:56px 1fr;gap:12px 20px;padding:18px 0;border-bottom:1px solid var(--rule);align-items:baseline}
.agenda .num{font-weight:700;font-size:18px}
.agenda h3{font-size:16px;font-weight:700;line-height:1.5}
.agenda p{font-size:13px;margin-top:4px}
.people{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;border-top:1px solid var(--black);padding-top:22px}
.person{display:grid;grid-template-columns:104px 1fr;gap:18px;align-items:start}
.person img{width:104px;height:104px;display:block}
.person .nm{font-size:16px;font-weight:700;line-height:1.4}
.person .nm small{font-size:12px;font-weight:500;margin-left:8px}
.person .ti{font-size:13px;line-height:1.7;margin-top:6px}
.btn{display:inline-flex;align-items:center;gap:14px;background:var(--black);color:var(--white);font-weight:700;font-size:14px;padding:16px 28px;margin-top:48px}
.btn:hover{background:var(--yellow);color:var(--black)}
.btn .arrow{width:14px;height:14px}
.rel a{display:grid;grid-template-columns:240px 1fr;gap:24px;align-items:start;padding:20px 0;border-top:1px solid var(--black);border-bottom:1px solid var(--rule)}
.rel img{width:100%;height:auto;display:block}
.rel .meta{margin-bottom:6px}
.rel h3{font-size:16px;line-height:1.55;font-weight:700}
.rel a:hover h3{text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
.back{display:inline-block;margin-top:40px;font-size:14px;font-weight:700;text-decoration:underline;text-underline-offset:4px}
@media (max-width:860px){
.people{grid-template-columns:1fr;gap:24px}
.person{grid-template-columns:88px 1fr}
.person img{width:88px;height:88px}
.rel a{grid-template-columns:1fr;gap:12px}
}