:root{--navy:#0d2b4d;--navy-deep:#081d36;--gold:#f0cd85;--gold-deep:#8a601f;--ink:#12212f;--ink-soft:#4b5c70;--line:#dde4ec;--line-soft:#eaeff5;--bg:#ffffff;--bg-tint:#f4f7fa;--bg-tint2:#eaf0f7;--r-sm:10px;--r:14px;--r-lg:22px;--maxw:1120px;--shadow-s:0 1px 2px rgba(13,43,77,.07);--shadow-m:0 2px 4px rgba(13,43,77,.06),0 12px 28px rgba(13,43,77,.07);color-scheme:light}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:24px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP","Yu Gothic Medium","Yu Gothic",Meiryo,"Segoe UI",Roboto,sans-serif;font-size:17px;line-height:1.9;letter-spacing:.012em;font-feature-settings:"palt" 1;-webkit-font-smoothing:antialiased}
@media (max-width:700px){body{font-size:16px;line-height:1.85}}
img,svg,picture{max-width:100%;height:auto;display:block}
a{color:var(--navy);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:.22em;text-decoration-color:rgba(13,43,77,.42)}
a:hover{text-decoration-color:var(--navy);background:rgba(13,43,77,.05)}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--navy);outline-offset:3px;border-radius:4px;background:var(--gold)}
h1,h2,h3,h4{margin:0;line-height:1.45;letter-spacing:.005em;font-weight:700;color:var(--navy)}
p,ul,ol,dl,table,figure{margin:0}
ul,ol{padding-left:1.35em}
::selection{background:var(--gold);color:var(--navy-deep)}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}

.skip{position:absolute;left:-9999px;top:0;z-index:99;background:var(--gold);color:var(--navy-deep);padding:14px 22px;font-weight:700;border-radius:0 0 var(--r-sm) 0;text-decoration:none}
.skip:focus{left:0}
.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(18px,5vw,34px)}
.wrap--narrow{max-width:820px}
.sec{padding-block:clamp(52px,8vw,92px)}
.sec--tint{background:var(--bg-tint)}

.eyebrow{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--gold-deep);margin-bottom:14px}
.eyebrow--onDark{color:var(--gold)}
.sec__head{max-width:720px;margin-inline:auto;text-align:center;margin-bottom:clamp(34px,5vw,54px)}
.sec__head h2{font-size:clamp(1.5rem,1.15rem + 1.5vw,2.15rem)}
.sec__head p{margin-top:16px;color:var(--ink-soft);font-size:1.02rem}
.rule{width:64px;height:3px;margin:20px auto 0;background:var(--gold);border-radius:3px}

.siteheader{background:var(--navy);border-bottom:3px solid var(--gold)}
.siteheader__inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:12px 30px;padding-block:16px}
.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;color:#fff;padding:6px 4px;border-radius:var(--r-sm)}
.brand:hover{background:rgba(240,205,133,.14);text-decoration:none}
.brand__mark{width:38px;height:38px;flex:0 0 38px}
.brand__name{font-size:1.16rem;font-weight:700;letter-spacing:.16em;line-height:1.2}
.brand__sub{display:block;font-size:.66rem;letter-spacing:.24em;color:var(--gold);font-weight:600;margin-top:3px}
.nav{display:flex;flex-wrap:wrap;justify-content:center;gap:4px 6px;list-style:none;margin:0;padding:0}
.nav a{display:block;padding:11px 16px;min-height:44px;color:#e7eefa;text-decoration:none;font-size:.95rem;font-weight:600;border-radius:var(--r-sm);border:1px solid transparent}
.nav a:hover{background:rgba(240,205,133,.16);color:#fff;border-color:rgba(240,205,133,.5)}
body:has(.page--articles) .nav a[href="/articles"],body:has(.page--about) .nav a[href="/about"],body:has(.page--contact) .nav a[href="/contact"]{background:var(--gold);color:var(--navy-deep);border-color:var(--gold)}
@media (min-width:900px){.siteheader__inner{justify-content:space-between;padding-block:18px}}

.hero{position:relative;background:var(--navy);color:#fff;overflow:hidden;border-bottom:1px solid var(--navy-deep)}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(1100px 460px at 50% -8%,rgba(240,205,133,.20),transparent 62%),linear-gradient(180deg,var(--navy) 0%,var(--navy-deep) 100%)}
.hero::after{content:"";position:absolute;left:50%;bottom:-140px;width:520px;height:520px;transform:translateX(-50%) rotate(45deg);border:1px solid rgba(240,205,133,.20);border-radius:64px}
.hero__inner{position:relative;padding-block:clamp(56px,9vw,104px);text-align:center;max-width:840px;margin-inline:auto}
.hero h1{color:#fff;font-size:clamp(1.72rem,1.15rem + 2.5vw,2.85rem);line-height:1.4}
.hero__lead{margin-top:22px;color:#d7e2f0;font-size:clamp(1rem,.96rem + .2vw,1.12rem)}
.hero__badges{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:30px;list-style:none;padding:0}
.hero__badges li{border:1px solid rgba(240,205,133,.45);background:rgba(240,205,133,.10);color:var(--gold);border-radius:999px;padding:8px 18px;font-size:.85rem;font-weight:600}
.hero--page .hero__inner{padding-block:clamp(46px,7vw,76px)}
.hero--page h1{font-size:clamp(1.6rem,1.1rem + 2vw,2.4rem)}

.grid{display:grid;gap:22px}
@media (min-width:600px){.grid--2,.grid--4{grid-template-columns:repeat(2,1fr)}}
@media (min-width:880px){.grid--3{grid-template-columns:repeat(3,1fr)}.grid--4{grid-template-columns:repeat(4,1fr)}}
@media (min-width:980px){.grid{gap:26px}}

.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(24px,3vw,32px);display:flex;flex-direction:column;box-shadow:var(--shadow-s);height:100%}
.card--tint{background:var(--bg-tint);border-color:var(--bg-tint2)}
.card__icon{width:52px;height:52px;border-radius:14px;background:var(--navy);display:grid;place-items:center;margin-bottom:20px;flex:0 0 auto}
.card__icon svg{width:26px;height:26px;stroke:var(--gold);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.card--center{text-align:center;align-items:center}
.card h3{font-size:1.08rem;margin-bottom:12px}
.card p{color:var(--ink-soft);font-size:.96rem}

.postcard{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow-s);height:100%}
.postcard__media{aspect-ratio:16/9;background:var(--navy)}
.postcard__media img{width:100%;height:100%;object-fit:cover}
.postcard__body{padding:clamp(22px,2.6vw,28px);display:flex;flex-direction:column;flex:1}
.postcard__cat{font-size:.74rem;font-weight:700;letter-spacing:.14em;color:var(--gold-deep);text-transform:uppercase}
.postcard h2,.postcard h3{font-size:1.12rem;margin-top:12px;line-height:1.6;font-weight:700;color:var(--navy)}
.postcard h2 a,.postcard h3 a{text-decoration:none;color:var(--navy)}
.postcard h2 a:hover,.postcard h3 a:hover{text-decoration:underline;background:none}
.postcard p{margin-top:14px;color:var(--ink-soft);font-size:.94rem}
.postcard__foot{margin-top:auto;padding-top:18px;display:flex;flex-wrap:wrap;gap:8px 16px;font-size:.83rem;color:var(--ink-soft);border-top:1px solid var(--line-soft)}

.panel{background:var(--navy);color:#fff;border-radius:var(--r-lg);padding:clamp(28px,4vw,46px);text-align:center;position:relative;overflow:hidden}
.panel::after{content:"";position:absolute;inset:0;border:1px solid rgba(240,205,133,.28);border-radius:var(--r-lg);pointer-events:none}
.panel h2{color:#fff;font-size:clamp(1.3rem,1.1rem + .9vw,1.75rem)}
.panel p{margin-top:18px;color:#d7e2f0;max-width:660px;margin-inline:auto}
.panel__grid{display:grid;gap:18px;margin-top:30px;text-align:left}
@media (min-width:760px){.panel__grid{grid-template-columns:repeat(2,1fr)}}
.panel__item{border:1px solid rgba(240,205,133,.34);border-radius:var(--r);padding:22px 24px;background:rgba(255,255,255,.04)}
.panel__item h3{color:var(--gold);font-size:1rem;margin-bottom:10px}
.panel__item p{color:#d7e2f0;font-size:.93rem;margin:0}

.crumbs{background:var(--bg-tint);border-bottom:1px solid var(--line-soft)}
.crumbs ol{display:flex;flex-wrap:wrap;gap:6px 10px;list-style:none;margin:0;padding:14px 0;font-size:.84rem;color:var(--ink-soft)}
.crumbs li{display:flex;align-items:center;gap:10px}
.crumbs li+li::before{content:"›";color:var(--ink-soft)}
.crumbs li:last-child{color:var(--navy);font-weight:600}

.post{padding-block:clamp(38px,5vw,60px)}
.post__head{text-align:center;max-width:820px;margin-inline:auto}
.post__cat{display:inline-block;background:var(--navy);color:var(--gold);font-size:.76rem;font-weight:700;letter-spacing:.14em;padding:7px 16px;border-radius:999px;text-transform:uppercase}
.post h1{margin-top:20px;font-size:clamp(1.55rem,1.1rem + 2.1vw,2.45rem);line-height:1.45}
.post__meta{margin-top:22px;display:flex;flex-wrap:wrap;justify-content:center;gap:8px 22px;font-size:.86rem;color:var(--ink-soft)}
.post__meta span{display:inline-flex;align-items:center;gap:8px}
.post__meta span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold)}
.post__hero{margin-top:clamp(28px,4vw,42px);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-m)}
.post__hero img{width:100%;height:auto}

.notice{border:2px solid var(--gold);background:#fffaf0;border-radius:var(--r);padding:clamp(20px,3vw,28px);margin-top:clamp(28px,4vw,40px)}
.notice h2{font-size:1.05rem;display:flex;align-items:center;gap:12px}
.notice h2::before{content:"!";width:26px;height:26px;flex:0 0 26px;border-radius:50%;background:var(--navy);color:var(--gold);display:grid;place-items:center;font-size:.9rem}
.notice ul{margin-top:14px;color:var(--ink);font-size:.95rem}
.notice li+li{margin-top:8px}

.summary{margin-top:clamp(30px,4vw,44px);background:var(--navy);color:#fff;border-radius:var(--r-lg);padding:clamp(26px,3.5vw,38px);border-left:8px solid var(--gold)}
.summary h2{color:var(--gold);font-size:1.12rem;display:flex;align-items:center;gap:12px}
.summary h2 svg{width:22px;height:22px;stroke:var(--gold);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:0 0 22px}
.summary__list{list-style:none;padding:0;margin-top:20px;display:grid;gap:14px}
.summary__list li{position:relative;padding-left:30px;color:#e4ecf7;font-size:.98rem;line-height:1.8}
.summary__list li::before{content:"";position:absolute;left:0;top:.62em;width:12px;height:12px;border:2px solid var(--gold);border-radius:3px}
.summary__foot{margin-top:22px;padding-top:18px;border-top:1px solid rgba(240,205,133,.3);font-size:.88rem;color:#cddaea}

.toc{margin-top:clamp(28px,4vw,40px);border:1px solid var(--line);border-radius:var(--r);background:var(--bg-tint);padding:clamp(22px,3vw,28px)}
.toc h2{font-size:1rem;letter-spacing:.06em}
.toc ol{margin-top:14px;padding-left:1.3em;display:grid;gap:9px;font-size:.95rem}
.toc a{color:var(--navy)}

.prose{margin-top:clamp(34px,5vw,52px)}
.prose h2{font-size:clamp(1.28rem,1.05rem + .9vw,1.62rem);margin-top:clamp(44px,6vw,64px);padding-top:24px;border-top:3px solid var(--gold);scroll-margin-top:24px}
.prose h3{font-size:clamp(1.08rem,1rem + .4vw,1.24rem);margin-top:38px;padding-left:16px;border-left:4px solid var(--navy)}
.prose p{margin-top:18px}
.prose ul,.prose ol{margin-top:18px;display:grid;gap:10px}
.prose li::marker{color:var(--gold-deep);font-weight:700}
.prose .lead{margin-top:20px;background:var(--bg-tint);border-radius:var(--r);padding:20px 24px;font-weight:600;color:var(--navy);border-left:4px solid var(--gold)}
.prose strong{color:var(--navy)}
.prose figure{margin-top:26px}
.prose figcaption{margin-top:10px;font-size:.85rem;color:var(--ink-soft);text-align:center}

.steps{list-style:none;padding:0;margin-top:26px;counter-reset:s;display:grid;gap:18px}
.steps li{counter-increment:s;position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px 24px 22px 74px;box-shadow:var(--shadow-s)}
.steps li::before{content:counter(s);position:absolute;left:22px;top:22px;width:36px;height:36px;border-radius:50%;background:var(--navy);color:var(--gold);display:grid;place-items:center;font-weight:700;font-size:1rem}
.steps h3{margin:0 0 8px;font-size:1.03rem;padding:0;border:0}
.steps p{margin:0;font-size:.95rem;color:var(--ink-soft)}

.tablewrap{margin-top:26px;overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;min-width:520px;font-size:.94rem;background:#fff}
caption{caption-side:top;text-align:left;padding:16px 18px;font-weight:700;color:var(--navy);font-size:.92rem;background:var(--bg-tint);border-bottom:1px solid var(--line)}
th,td{padding:14px 18px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line-soft)}
thead th{background:var(--navy);color:#fff;font-weight:600;border-bottom:0}
tbody th{color:var(--navy);font-weight:700;background:var(--bg-tint)}
tbody tr:last-child th,tbody tr:last-child td{border-bottom:0}

.infotable table{min-width:0}
.infotable tbody th{width:34%;white-space:nowrap}
@media (max-width:620px){.infotable tbody th{white-space:normal;width:40%}}

.checklist{list-style:none;padding:0;margin-top:22px;display:grid;gap:12px}
.checklist li{position:relative;padding:14px 18px 14px 52px;background:var(--bg-tint);border-radius:var(--r-sm);font-size:.96rem}
.checklist li::before{content:"";position:absolute;left:18px;top:19px;width:16px;height:9px;border-left:3px solid var(--gold-deep);border-bottom:3px solid var(--gold-deep);transform:rotate(-45deg)}

.related{margin-top:clamp(46px,6vw,70px);border-top:3px solid var(--gold);padding-top:34px}
.related h2{font-size:1.2rem;text-align:center}
.related .grid{margin-top:26px}
.relcard{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;text-decoration:none;box-shadow:var(--shadow-s);height:100%}
.relcard:hover{border-color:var(--navy);box-shadow:var(--shadow-m);background:#fff}
.relcard span{font-size:.74rem;font-weight:700;letter-spacing:.14em;color:var(--gold-deep);text-transform:uppercase}
.relcard strong{display:block;margin-top:10px;color:var(--navy);font-size:1.04rem;line-height:1.6}
.relcard em{display:block;margin-top:10px;font-style:normal;color:var(--ink-soft);font-size:.9rem}

.editnote{margin-top:34px;border:1px dashed var(--line);border-radius:var(--r);padding:24px;background:var(--bg-tint);font-size:.9rem;color:var(--ink-soft)}
.editnote h2{font-size:.98rem;margin-bottom:12px}

.legal h2{font-size:1.22rem;margin-top:46px;padding-top:22px;border-top:1px solid var(--line)}
.legal h2:first-of-type{margin-top:26px;border-top:0;padding-top:0}
.legal p{margin-top:16px}
.legal ul,.legal ol{margin-top:16px;display:grid;gap:9px}
.legal .lead{margin-top:0;background:var(--bg-tint);border-left:4px solid var(--gold);border-radius:var(--r);padding:22px 24px;color:var(--navy);font-weight:600}

.contactcard{background:var(--navy);color:#fff;border-radius:var(--r-lg);padding:clamp(28px,4vw,44px);text-align:center}
.contactcard h2{color:var(--gold);font-size:1.18rem}
.contactcard__mail{display:inline-block;margin-top:20px;font-size:clamp(1.05rem,.95rem + .6vw,1.4rem);font-weight:700;color:var(--navy);background:var(--gold);padding:16px 34px;border-radius:999px;text-decoration:none;letter-spacing:.02em}
.contactcard__mail:hover{background:#fff;color:var(--navy-deep);text-decoration:none}
.contactcard p{margin-top:20px;color:#d7e2f0;font-size:.94rem;max-width:640px;margin-inline:auto}

.sitefooter{background:var(--navy-deep);color:#ccd7e4;border-top:3px solid var(--gold);margin-top:0}
.sitefooter__top{padding-block:clamp(44px,6vw,66px);display:grid;gap:34px}
@media (min-width:860px){.sitefooter__top{grid-template-columns:1.15fr 1fr .85fr;gap:44px}}
.sitefooter h2{color:var(--gold);font-size:.86rem;letter-spacing:.16em;text-transform:uppercase;margin-bottom:18px}
.sitefooter p{font-size:.9rem;line-height:1.9}
.sitefooter dl{display:grid;gap:12px;font-size:.89rem;margin:0}
.sitefooter dt{color:var(--gold);font-weight:600;font-size:.78rem;letter-spacing:.08em}
.sitefooter dd{margin:0 0 6px;color:#e2eaf4}
.sitefooter ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.sitefooter ul a{color:#e2eaf4;font-size:.9rem;display:block;padding:9px 4px;min-height:44px;text-decoration-color:rgba(226,234,244,.4)}
.sitefooter ul a:hover{color:var(--gold);background:rgba(240,205,133,.1)}
.sitefooter__brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.sitefooter__brand svg{width:34px;height:34px;flex:0 0 34px}
.sitefooter__brand b{color:#fff;font-size:1.05rem;letter-spacing:.16em;font-weight:700}
.sitefooter__indep{border:1px solid rgba(240,205,133,.34);border-radius:var(--r);padding:20px 22px;background:rgba(255,255,255,.03);margin-top:20px}
.sitefooter__indep p{color:#e2eaf4;font-size:.88rem;margin:0}
.sitefooter__bottom{border-top:1px solid rgba(255,255,255,.12);padding-block:24px;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:center;align-items:center;font-size:.84rem;text-align:center}

.err{text-align:center;padding-block:clamp(60px,10vw,120px)}
.err__code{font-size:clamp(4rem,2rem + 12vw,8rem);font-weight:700;color:var(--navy);line-height:1;letter-spacing:.06em}
.err__code span{color:var(--gold)}
.err h1{margin-top:18px;font-size:clamp(1.35rem,1.1rem + 1.2vw,1.85rem)}
.err p{margin-top:20px;color:var(--ink-soft);max-width:560px;margin-inline:auto}
.err ul{list-style:none;padding:0;margin:34px auto 0;max-width:620px;display:grid;gap:14px;text-align:left}
.err ul a{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px 22px;text-decoration:none;color:var(--navy);font-weight:600;box-shadow:var(--shadow-s)}
.err ul a:hover{border-color:var(--navy);box-shadow:var(--shadow-m)}