/* 官公庁サイトの見た目に固定した単一テーマ（意図的にダーク非対応） */
:root {
  --navy: #1b3a68;
  --navy-deep: #12294b;
  --sky: #eaf1f8;
  --line: #c7d2df;
  --ink: #1f2328;
  --muted: #5a6573;
  --link: #0b55ad;
  --alert: #c4122f;
  --alert-bg: #fdf0f1;
  --paper: #ffffff;
  --ok: #1d6b3a;
  --base: 16px;
  color-scheme: light;
  font-size: var(--base);
}
body {
  background: var(--paper);
  color: var(--ink);
  font-family: "BIZ UDPGothic", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  font-size: 1rem;
  line-height: 1.75;
}
[hidden] { display: none !important; }
a { color: var(--link); }
a:focus-visible, button:focus-visible, select:focus-visible { outline: 3px solid #f5b400; outline-offset: 2px; }
.wrap { max-width: 1040px; margin: 0 auto; padding-inline: 16px; }

/* ヘッダー */
.util { background: var(--sky); border-bottom: 1px solid var(--line); font-size: .8rem; }
.util .wrap { display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: flex-end; align-items: center; padding-block: 6px; }
.util .grp { display: flex; align-items: center; gap: 6px; }
.util button { font: inherit; border: 1px solid var(--line); background: var(--paper); color: var(--ink); padding: 1px 9px; cursor: pointer; border-radius: 2px; }
.util button[aria-pressed="true"] { background: var(--navy); color: #fff; border-color: var(--navy); }
.util select { font: inherit; padding: 1px 4px; border: 1px solid var(--line); background: var(--paper); color: var(--ink); }

header.main { border-bottom: 4px solid var(--navy); }
header.main .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; padding-block: 16px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); }
.brand svg { flex: none; }
.brand .org { font-family: "BIZ UDPMincho", "Hiragino Mincho ProN", serif; font-size: 1.6rem; font-weight: 700; letter-spacing: .08em; line-height: 1.2; }
.brand .en { display: block; font-size: .68rem; color: var(--muted); letter-spacing: .06em; font-family: "BIZ UDPGothic", sans-serif; font-weight: 400; }
.search { display: flex; }
.search input { font: inherit; font-size: .85rem; border: 1px solid var(--line); padding: 6px 10px; width: 14em; max-width: 100%; }
.search button { font: inherit; font-size: .85rem; background: var(--navy); color: #fff; border: 0; padding: 6px 14px; cursor: pointer; }

nav.gnav { background: var(--navy); }
nav.gnav ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); }
nav.gnav a { display: block; color: #fff; text-decoration: none; text-align: center; padding: 12px 6px; font-size: .9rem; border-right: 1px solid rgba(255,255,255,.18); }
nav.gnav li:first-child a { border-left: 1px solid rgba(255,255,255,.18); }
nav.gnav a:hover { background: var(--navy-deep); text-decoration: underline; }

.crumb { font-size: .78rem; color: var(--muted); padding-block: 10px; }

/* 重要なお知らせ */
.important { border: 2px solid var(--alert); background: var(--alert-bg); padding: 10px 14px; display: flex; gap: 12px; align-items: baseline; flex-wrap: wrap; font-size: .9rem; }
.important strong { background: var(--alert); color: #fff; padding: 0 8px; font-size: .8rem; letter-spacing: .08em; }

/* 本文レイアウト */
.cols { display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: 32px; padding-block: 24px 48px; }
h1.page { font-family: "BIZ UDPMincho", serif; font-size: 1.75rem; line-height: 1.4; margin: 0 0 6px; text-wrap: balance; letter-spacing: .03em; }
.lead { color: var(--muted); margin: 0 0 20px; font-size: .92rem; }
h2 { font-size: 1.15rem; margin: 36px 0 12px; padding: 6px 12px; background: var(--sky); border-left: 6px solid var(--navy); text-wrap: balance; }

/* 申請ボックス */
.apply { border: 1px solid var(--line); padding: 20px; display: grid; gap: 14px; }
.apply .row { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 24px; }
.bigbtn { font: inherit; font-size: 1.1rem; font-weight: 700; background: var(--navy); color: #fff; border: 0; padding: 14px 28px; cursor: pointer; border-radius: 3px; box-shadow: 0 3px 0 var(--navy-deep); }
.bigbtn:hover { background: var(--navy-deep); }
.bigbtn:active { transform: translateY(2px); box-shadow: 0 1px 0 var(--navy-deep); }
.subbtn { font: inherit; background: var(--paper); color: var(--navy); border: 2px solid var(--navy); padding: 10px 22px; cursor: pointer; border-radius: 3px; font-weight: 700; }
.count { font-size: .85rem; color: var(--muted); }
.count b { font-size: 1.6rem; color: var(--ink); font-variant-numeric: tabular-nums; font-family: "BIZ UDPGothic", sans-serif; }
.note { font-size: .78rem; color: var(--muted); margin: 0; }
.step { border-top: 1px dashed var(--line); padding-top: 14px; }
.receipt { border: 3px double var(--ok); padding: 14px 16px; position: relative; background: #f5faf6; }
.receipt .no { font-family: ui-monospace, "SFMono-Regular", Menlo, monospace; font-size: 1.05rem; font-weight: 700; letter-spacing: .04em; }
.receipt .stamp { position: absolute; right: 14px; top: 10px; width: 64px; height: 64px; border: 3px solid var(--alert); border-radius: 50%; color: var(--alert); display: grid; place-items: center; font-family: "BIZ UDPMincho", serif; font-weight: 700; font-size: .78rem; line-height: 1.15; text-align: center; transform: rotate(-12deg); opacity: .85; }
.receipt p { margin: 4px 0; padding-right: 76px; }
.form { display: grid; gap: 16px; }
.formhead { display: grid; gap: 2px; border-bottom: 2px solid var(--navy); padding-bottom: 8px; }
.formhead span { font-size: .75rem; color: var(--muted); }
.formhead b { font-family: "BIZ UDPMincho", serif; font-size: 1.25rem; letter-spacing: .12em; }
fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
legend, .field > label:not(.pledge) { font-weight: 700; font-size: .92rem; margin-bottom: 6px; padding: 0; display: block; }
.field { display: grid; }
.req, .opt { font-size: .68rem; font-weight: 700; padding: 1px 6px; margin-left: 8px; vertical-align: 2px; border-radius: 2px; }
.req { background: var(--alert); color: #fff; }
.opt { background: var(--sky); color: var(--muted); border: 1px solid var(--line); }
.opts { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: .92rem; }
.opts label, .pledge { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; }
.pledge { font-size: .92rem; flex-wrap: wrap; }
.form input[type=text], .form select, .form textarea { font: inherit; font-size: .95rem; border: 1px solid #8a97a8; padding: 8px 10px; background: var(--paper); color: var(--ink); border-radius: 2px; width: 100%; max-width: 26em; }
.form textarea { max-width: 100%; resize: vertical; }
.form input:focus-visible, .form select:focus-visible, .form textarea:focus-visible { outline: 3px solid #f5b400; outline-offset: 1px; }
.err { border: 2px solid var(--alert); background: var(--alert-bg); padding: 10px 14px; font-size: .9rem; color: var(--alert); }
.err p { margin: 2px 0 0; color: var(--ink); }
.scroll { overflow-x: auto; }
table.review { border-collapse: collapse; width: 100%; font-size: .92rem; }
table.review th, table.review td { border: 1px solid var(--line); padding: 8px 12px; text-align: left; vertical-align: top; }
table.review th { background: var(--sky); width: 9em; white-space: nowrap; }
.warn { border: 2px solid #b8860b; background: #fff8e1; padding: 8px 12px; font-size: .88rem; margin: 12px 0 0; }

/* お知らせ */
dl.news { margin: 0; border-top: 1px solid var(--line); }
dl.news div { display: grid; grid-template-columns: 7.5em minmax(0, 1fr); gap: 12px; padding: 10px 4px; border-bottom: 1px solid var(--line); font-size: .92rem; }
dl.news dt { color: var(--muted); font-variant-numeric: tabular-nums; }
dl.news dd { margin: 0; }
.tag { display: inline-block; font-size: .7rem; border: 1px solid currentColor; padding: 0 6px; margin-right: 6px; vertical-align: 1px; }
.tag.red { color: var(--alert); }
.tag.blue { color: var(--navy); }
.pdf::after { content: "［PDF：1ページ］"; font-size: .75rem; color: var(--muted); margin-left: 4px; }

/* 統計 */
.stats { display: grid; gap: 8px; }
.bar { display: grid; grid-template-columns: 5.5em minmax(0, 1fr) 6.5em; gap: 10px; align-items: center; font-size: .88rem; }
.bar .track { background: var(--sky); height: 18px; }
.bar .fill { background: var(--navy); height: 100%; }
.bar .v { text-align: right; font-variant-numeric: tabular-nums; }
.bar.me .fill { background: var(--alert); }

/* FAQ */
details { border: 1px solid var(--line); margin-bottom: 8px; }
summary { cursor: pointer; padding: 10px 14px; font-weight: 700; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::before { content: "Q."; color: var(--navy); margin-right: 8px; }
details[open] summary { border-bottom: 1px dashed var(--line); }
details p { margin: 0; padding: 10px 14px; }
details p::before { content: "A."; color: var(--alert); font-weight: 700; margin-right: 8px; }

/* サイドバー */
aside { display: grid; gap: 20px; align-content: start; }
.side { border: 1px solid var(--line); }
.side h3 { margin: 0; font-size: .9rem; background: var(--navy); color: #fff; padding: 8px 12px; }
.side .body { padding: 12px; font-size: .85rem; }
.du { margin: 0; display: grid; gap: 8px; }
.du div { display: grid; gap: 0; }
.du dt { font-size: .75rem; color: var(--muted); }
.du dd { margin: 0; font-variant-numeric: tabular-nums; }
.du dd b { font-size: 1.35rem; }
.du dd.du-when { font-size: .75rem; color: var(--muted); }
.kun { text-align: center; }
.kun p { margin: 6px 0 0; }
.kun button { background: none; border: 0; padding: 0; cursor: pointer; }
.kun .say { border: 1px solid var(--line); background: var(--sky); padding: 6px 10px; font-size: .82rem; text-align: left; min-height: 3.2em; }
.srch { border: 1px solid var(--line); background: var(--sky); padding: 10px 14px; font-size: .9rem; margin-top: 12px; }
.srch p { margin: 2px 0; }
.links { list-style: none; margin: 0; padding: 0; }
.links li { border-bottom: 1px dotted var(--line); }
.links li:last-child { border-bottom: 0; }
.links a { display: block; padding: 7px 0; }
.links a::before { content: "›"; margin-right: 6px; color: var(--muted); }

footer { background: var(--navy-deep); color: #dfe7f1; font-size: .8rem; }
footer .wrap { padding-block: 24px; display: grid; gap: 8px; }
footer a { color: #fff; }
footer .fl { display: flex; flex-wrap: wrap; gap: 6px 18px; }

@media (max-width: 760px) {
  .cols { grid-template-columns: minmax(0, 1fr); }
  nav.gnav ul { grid-template-columns: repeat(2, 1fr); }
  nav.gnav li:first-child a { border-left: 0; }
  nav.gnav a { border-bottom: 1px solid rgba(255,255,255,.18); }
  .brand .org { font-size: 1.25rem; }
  .bar { grid-template-columns: 4.5em minmax(0, 1fr) 5.5em; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }

/* モーダル（このサイトについて／プライバシーポリシー） */
dialog.modal { border: 0; padding: 0; width: min(720px, calc(100% - 32px)); max-height: min(80vh, 760px); box-shadow: 0 10px 40px rgba(18,41,75,.35); color: var(--ink); background: var(--paper); }
dialog.modal[open] { display: flex; flex-direction: column; }
dialog.modal::backdrop { background: rgba(18,41,75,.55); }
.modal-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; background: var(--navy); color: #fff; padding: 10px 16px; }
.modal-title { margin: 0; padding: 0; background: none; border: 0; font-family: "BIZ UDPMincho", serif; font-size: 1.1rem; letter-spacing: .06em; }
.modal-close { font: inherit; font-size: .85rem; background: var(--paper); color: var(--navy); border: 0; padding: 4px 12px; cursor: pointer; border-radius: 2px; }
.modal-body { overflow-y: auto; padding: 8px 20px 20px; font-size: .9rem; }
.modal-body h3 { font-size: .98rem; margin: 20px 0 6px; padding-left: 8px; border-left: 4px solid var(--navy); }
.modal-body p { margin: 0 0 8px; }
.modal-body ul { margin: 0 0 8px; padding-left: 1.4em; }
.modal-body li { margin-bottom: 4px; }
.modal-date { margin-top: 20px !important; text-align: right; color: var(--muted); font-size: .82rem; }

/* オゾンくん大暴走（kun-rampage.js） */
.rampage { position: fixed; inset: 0; z-index: 1000; pointer-events: none; overflow: hidden; }
.rampage-kun { position: absolute; left: 0; top: 0; transform-origin: center; will-change: transform; filter: drop-shadow(0 6px 10px rgba(18,41,75,.25)); }
.rampage-say { position: absolute; transform: translate(-50%, -100%); background: var(--paper); border: 2px solid var(--navy); border-radius: 14px; padding: 4px 12px; font-weight: 700; font-size: .9rem; white-space: nowrap; color: var(--navy); box-shadow: 0 3px 0 var(--navy); }
.rampage-uv { position: absolute; left: 0; top: 0; width: 34px; height: 12px; border-radius: 6px; background: linear-gradient(90deg, #6a1fd1, #c44dff); color: #fff; font: 700 .6rem/12px sans-serif; text-align: center; box-shadow: 0 0 10px 2px rgba(170,70,255,.6); }
.rampage-pop { position: absolute; transform: translate(-50%, -50%); white-space: nowrap; font-weight: 700; color: #6a1fd1; font-size: 1.1rem; animation: rampage-pop .7s ease-out forwards; }
@keyframes rampage-pop { to { transform: translate(-50%, -160%); opacity: 0; } }
.rampage-flash { position: absolute; width: 20px; height: 20px; border-radius: 50%; transform: translate(-50%, -50%); background: #fff; box-shadow: 0 0 0 6px #b7d7f5; animation: rampage-flash .5s ease-out forwards; }
@keyframes rampage-flash { to { width: 360px; height: 360px; opacity: 0; } }
.rampage-part { position: absolute; transform: translate(-50%, -50%); transition: transform 2.2s cubic-bezier(.2,.7,.4,1); }
.rampage-skip { position: absolute; left: 50%; bottom: calc(16px + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%); pointer-events: auto; font: inherit; font-size: .85rem; background: var(--paper); color: var(--navy); border: 2px solid var(--navy); padding: 6px 18px; border-radius: 3px; cursor: pointer; }
.rampage-pop.bonk { color: var(--alert); font-size: 1.3rem; }
.rampage-pop.big { font-family: "BIZ UDPMincho", serif; font-size: clamp(3rem, 14vw, 8rem); color: var(--alert); -webkit-text-stroke: 3px #fff; text-shadow: 0 6px 0 var(--navy-deep); animation: rampage-big .9s ease-out forwards; }
@keyframes rampage-big { 0% { transform: translate(-50%, -50%) scale(.3) rotate(-8deg); } 30% { transform: translate(-50%, -50%) scale(1.15) rotate(4deg); } 100% { transform: translate(-50%, -50%) scale(1) rotate(0); opacity: 0; } }
.rampage-part .rampage-say { left: 50%; top: -6px; }
.rampage-say.small { font-size: .8rem; padding: 2px 10px; }
.rampage-shake { animation: rampage-shake .6s linear; }
@keyframes rampage-shake { 20% { transform: translate(-8px, 4px); } 40% { transform: translate(7px, -5px); } 60% { transform: translate(-5px, -3px); } 80% { transform: translate(4px, 3px); } }

/* 感謝配達ゲーム（game.js）。外側はサイトと同じ官公庁風、ゲーム画面の中だけドット絵 */
html.dg-open, html.dg-open body { overflow: hidden; }
.dg { position: fixed; inset: 0; z-index: 2000; background: var(--sky); color: var(--ink); font-family: "BIZ UDPGothic", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif; touch-action: none; user-select: none; -webkit-user-select: none; }
.dg-intro { position: absolute; inset: 0; background: #fff; color: var(--ink); display: grid; place-content: center; gap: 18px; padding: 24px; text-align: center; }
.dg-intro p { margin: 0; font-family: "BIZ UDPMincho", serif; font-weight: 700; font-size: clamp(1.6rem, 6vw, 3.2rem); line-height: 1.3; opacity: 0; transform: scale(1.8); transition: opacity .2s, transform .35s cubic-bezier(.2, 1.6, .4, 1); }
.dg-intro.s1 .dg-l1, .dg-intro.s2 .dg-l2, .dg-intro.s3 .dg-l3 { opacity: 1; transform: none; }
.dg-intro .dg-l2 { color: var(--alert); }
.dg-intro .dg-l3 { font-family: "BIZ UDPGothic", sans-serif; font-size: clamp(1.1rem, 3.6vw, 1.7rem); color: var(--navy); min-height: 1.3em; }
.dg-stage { position: absolute; inset: 0; display: flex; justify-content: center; gap: 16px; padding: 16px; background: var(--sky); }
.dg-side { flex: 0 0 170px; display: flex; flex-direction: column; justify-content: space-between; gap: 16px; padding-bottom: env(safe-area-inset-bottom, 0px); }
.dg-panel { background: var(--paper); border: 1px solid var(--line); font-size: .82rem; }
.dg-panel h3 { margin: 0; background: var(--navy); color: #fff; font-size: .9rem; padding: 8px 12px; }
.dg-panel p { margin: 0; padding: 10px 12px 0; color: var(--muted); line-height: 1.5; }
.dg-panel ul { margin: 0; padding: 10px 12px 12px 28px; line-height: 1.7; }
.dg-panel .dg-stop { margin: 12px; }
.dg-stop { font: inherit; font-weight: 700; font-size: .9rem; background: var(--paper); color: var(--navy); border: 2px solid var(--navy); border-radius: 3px; padding: 8px 16px; cursor: pointer; }
.dg-stop:hover { background: var(--sky); }
.dg-stop-mini { display: none; }
.dg-btn { width: 100%; height: 120px; display: grid; place-content: center; gap: 2px; font: inherit; font-weight: 700; font-size: 1rem; background: var(--navy); color: #fff; border: 0; border-radius: 3px; cursor: pointer; box-shadow: 0 4px 0 var(--navy-deep); touch-action: none; }
.dg-btn span { font-size: 2rem; line-height: 1; }
.dg-btn:hover { background: var(--navy-deep); }
.dg-btn.on { transform: translateY(3px); box-shadow: 0 1px 0 var(--navy-deep); background: var(--navy-deep); }
.dg-field { position: relative; flex: 0 1 460px; height: 100%; background: #000; overflow: hidden; border: 1px solid var(--line); font-family: "DotGothic16", monospace; color: #fff; }
.dg-field canvas { display: block; image-rendering: pixelated; }
.dg-hud { position: absolute; top: calc(10px + env(safe-area-inset-top, 0px)); left: 10px; right: 10px; display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; pointer-events: none; text-shadow: 0 2px 3px rgba(0,0,0,.7); }
.dg-zone { font-size: .8rem; background: rgba(0,0,0,.5); padding: 2px 6px; border-radius: 2px; max-width: 7em; }
.dg-meter { text-align: center; }
.dg-meter b { display: block; font-weight: 400; font-size: 1.45rem; background: rgba(0,0,0,.5); padding: 2px 10px; border-radius: 2px; }
.dg-gauge { display: block; height: 6px; margin-top: 4px; background: rgba(0,0,0,.55); border: 1px solid #fff; }
.dg-gauge i { display: block; height: 100%; width: 0; background: #8dff6a; }
.dg-score { font-size: 1.05rem; background: rgba(0,0,0,.5); padding: 2px 8px; border-radius: 2px; }
.dg-score::before { content: "SCORE "; font-size: .65rem; }
.dg-banner { position: absolute; left: 50%; top: 34%; width: max-content; max-width: 88%; transform: translate(-50%, -50%) scale(.8); opacity: 0; transition: opacity .25s, transform .25s; text-align: center; background: rgba(18,41,75,.9); border: 2px solid #7dffe0; padding: 12px 20px; font-size: 1.05rem; line-height: 1.5; pointer-events: none; }
.dg-banner.show { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.dg-banner b { display: block; font-weight: 400; font-size: 1.9rem; color: #7dffe0; }
.dg-banner small { display: block; font-size: .78rem; opacity: .85; }
.dg-touch { display: none; }
.dg-pause { position: absolute; inset: 0; background: rgba(18,41,75,.55); display: grid; place-content: center; }
.dg-pause > * { justify-self: center; }
.dg-pause p { margin: 0; width: 18em; text-align: center; background: var(--navy); color: #fff; font-weight: 700; padding: 10px; }
.dg-pause button { width: 18em; font: inherit; font-weight: 700; padding: 12px; cursor: pointer; border-radius: 0; }
.dg-resume { background: var(--paper); color: var(--navy); border: 1px solid var(--line); border-top: 0; }
.dg-quit { background: var(--paper); color: var(--alert); border: 1px solid var(--line); border-top: 0; }
@media (max-width: 760px) {
  .dg-stage { padding: 0; gap: 0; }
  .dg-side { display: none; }
  .dg-field { flex-basis: 100%; border: 0; }
  .dg-stop-mini { display: block; position: absolute; right: 10px; top: calc(64px + env(safe-area-inset-top, 0px)); padding: 4px 10px; font-size: .8rem; font-family: "BIZ UDPGothic", sans-serif; }
  .dg-touch { display: flex; justify-content: space-between; gap: 12px; position: absolute; left: 12px; right: 12px; bottom: calc(14px + env(safe-area-inset-bottom, 0px)); pointer-events: none; }
  .dg-touch .dg-btn { pointer-events: auto; width: 96px; height: 84px; opacity: .92; font-family: "BIZ UDPGothic", sans-serif; }
}

/* 受理証明書 */
.cert { margin-top: 16px; }
.cert img { display: block; width: 100%; max-width: 720px; border: 1px solid var(--line); box-shadow: 0 2px 10px rgba(18,41,75,.12); }