/* ハザードマップ：1ページ内のタブで2つのマップを切り替える。枠まわりは組合員向けページに合わせ、
   内水ハザードマップの中身（.nz）は久留米市の資料の配色・枠・帯に合わせて組み直している */
:root {
  --blue: #3366CC;
  --blue-deep: #2852A3;
  --blue-pale: #EEF3FC;
  --ai: #1D3461;
  --ai-deep: #14254A;
  --tsutsuji: #C8336E;
  --ink: #1B2333;
  --muted: #4F5A6B;
  --paper: #FFFFFF;
  --mist: #F2F5FA;
  --line: #D5DCE7;
  --font-head: "Shippori Mincho B1", "Yu Mincho", "Hiragino Mincho ProN", serif;
  --font-body: "BIZ UDPGothic", "Meiryo", "Yu Gothic", sans-serif;
  /* 市の資料の色 */
  --nz-cyan: #00B0F0;
  --nz-yellow: #FFFFAD;
  font-size: 112.5%;
}
:root.large { font-size: 131.25%; }
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--mist); color: var(--ink); font-family: var(--font-body); font-size: 1rem; line-height: 1.75; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue-deep); }
a:focus-visible, button:focus-visible { outline: 3px solid var(--tsutsuji); outline-offset: 3px; }
.container { max-width: 1160px; margin: 0 auto; padding-inline: 20px; }

.site-header { background: var(--paper); border-bottom: 4px solid var(--blue); }
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 12px 24px; flex-wrap: wrap; padding-block: 12px; }
.brand img { height: 3.3rem; width: auto; }
.header-right { display: flex; align-items: center; gap: 10px 16px; flex-wrap: wrap; margin-left: auto; }
.size-switch { display: flex; align-items: center; gap: 6px; font-size: .85rem; color: var(--muted); }
.size-switch button { font: inherit; font-weight: 700; min-height: 44px; padding: 0 12px; border: 2px solid var(--line); background: var(--paper); color: var(--ink); border-radius: 6px; cursor: pointer; }
.size-switch button[aria-pressed="true"] { border-color: var(--blue); background: var(--blue); color: #fff; }
/* ▼ADD By Cloude Code 2026/11/12 スマホ表示：文字サイズの選んでいる方は薄オレンジ（組合員専用ページと同じ）、もう一方は白地・青枠・青文字 */
@media (max-width: 600px) {
  .size-switch button { background: var(--paper); border-color: var(--blue); color: var(--blue-deep); }
  .size-switch button[aria-pressed="true"] { background: #FDE6CC; border-color: #F2A65A; color: var(--ai); }
}
/* ▲ADD By Cloude Code 2026/11/12 */
.back { display: inline-flex; align-items: center; gap: 8px; min-height: 48px; padding: 0 16px; border: 2px solid #2B6E5A; border-radius: 8px; font-weight: 700; text-decoration: none; color: #fff; background: #2B6E5A; }
.back:hover { background: #225848; border-color: #225848; }
.back svg { width: 1.25rem; height: 1.25rem; flex: none; }

main { padding-block: 2rem 3.4rem; }
h1 { display: flex; align-items: center; gap: 14px; font-family: var(--font-head); font-weight: 800; color: var(--ai); font-size: clamp(1.6rem, 3.4vw, 2.1rem); line-height: 1.4; margin: 0 0 1.2rem; }
h1::before { content: ""; width: 20px; height: 20px; flex: none; transform: rotate(45deg); background: var(--ai); border: 6px solid var(--tsutsuji); }

/* 切り替えタブ（右端に「＞」） */
.tabs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-bottom: 1.6rem; }
.tabs button { font: inherit; text-align: left; cursor: pointer; display: flex; align-items: center; gap: 12px; min-height: 4rem; padding: .6rem 1.1rem; border-radius: 10px; border: 2px solid var(--blue); background: var(--blue); color: #fff; font-weight: 700; line-height: 1.4; }
/* 非選択は青、選択中は薄オレンジ */
.tabs button:hover { background: var(--blue-deep); border-color: var(--blue-deep); }
.tabs button[aria-selected="true"], .tabs button[aria-selected="true"]:hover { background: #FDE6CC; border-color: #F2A65A; color: var(--ai); }
.tabs .n { flex: none; width: 2rem; height: 2rem; border-radius: 50%; background: #fff; color: var(--blue-deep); display: grid; place-items: center; }
.tabs .lbl { flex: 1; min-width: 0; }
.tabs .go { flex: none; width: 2.3rem; height: 2.3rem; border-radius: 8px; display: grid; place-items: center; font-size: 1.3rem; line-height: 1; background: #fff; color: var(--blue-deep); transition: transform .15s; }
.tabs button[aria-selected="true"] .go { transform: rotate(90deg); }
@media (prefers-reduced-motion: reduce) { .tabs .go { transition: none; } }

.panel { background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: 1.5rem; }
h2 { font-family: var(--font-head); font-weight: 800; color: var(--ai); font-size: clamp(1.3rem, 2.6vw, 1.6rem); line-height: 1.4; margin: 0 0 .4rem; }
.lead { margin: 0 0 1.2rem; color: var(--muted); }
h3 { margin: 0 0 .6rem; font-size: 1.05rem; color: var(--ai); }

/* ---------- 1 筑後川避難判断マップ ---------- */
.map-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 17rem); gap: 20px; align-items: start; }
.map-fig { margin: 0; }
.map-fig img { width: 100%; border: 1px solid var(--line); }
.map-fig figcaption { margin-top: .6rem; font-size: .92rem; }
.mark { display: inline-block; width: 2.2rem; height: 1rem; border: 3px solid #E00000; border-radius: 5px; vertical-align: -.15rem; margin-right: .3rem; }
.side { display: grid; gap: 16px; }
.side .box { border: 1px solid var(--line); border-radius: 10px; padding: 1rem; }
.legend { list-style: none; margin: 0; padding: 0; display: grid; gap: .35rem; }
.legend li { display: flex; align-items: center; gap: .7rem; font-size: .92rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.legend i { flex: none; width: 2.6rem; height: 1.25rem; border: 1px solid #C9CED6; border-radius: 3px; }
/* 避難所：地図の下に、2種類を横並び */
.map-fig { grid-column: 1; grid-row: 1; }
.side { grid-column: 2; grid-row: 1 / span 2; }
.sh-box { grid-column: 1; grid-row: 2; border: 1px solid var(--line); border-radius: 10px; padding: 1rem; }
.sh-groups { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 1.2rem; }
.sh-group + .sh-group { padding-left: 1.2rem; border-left: 1px dashed var(--line); }
.sh-type { display: flex; align-items: center; gap: .6rem; margin: 0 0 .5rem; font-weight: 700; font-size: .92rem; line-height: 1.4; }
.sh-type svg { flex: none; width: 2rem; height: 2rem; }
.shelters { list-style: none; margin: 0; padding: 0; display: grid; gap: .4rem; }
.shelters a { display: flex; align-items: center; gap: .6rem; min-height: 2.9rem; padding: .3rem .5rem; border-radius: 8px; border: 1px solid var(--line); text-decoration: none; color: var(--ink); font-weight: 700; line-height: 1.4; }
.shelters a:hover { border-color: var(--blue); background: var(--blue-pale); }
.shelters .no { flex: none; width: 1.8rem; height: 1.8rem; border-radius: 4px; display: grid; place-items: center; color: #fff; background: #1E7A4A; font-size: .95rem; }
.shelters .dist { display: block; font-size: .85rem; font-weight: 400; color: var(--muted); }
.shelters .dist b { color: var(--tsutsuji); font-weight: 700; font-size: 1.1em; }
.shelters .pin { flex: none; margin-left: auto; width: 1.1rem; height: 1.1rem; color: var(--blue); }
.links { margin-top: 1.6rem; padding-top: 1.3rem; border-top: 1px dashed var(--line); }
.link-btns { display: flex; flex-wrap: wrap; gap: 12px; }
.link-btns a { display: inline-flex; align-items: center; gap: 8px; min-height: 3.4rem; padding: 0 1.3rem; border-radius: 10px; background: var(--blue); color: #fff; font-weight: 700; text-decoration: none; }
.link-btns a:hover { background: var(--blue-deep); }
.link-btns svg { width: 1.4rem; height: 1.4rem; flex: none; }
/* 市の地図：PCではPC用、スマホではスマホ用の1つだけを表示 */
.link-btns a.for-sp { display: none; }
@media (max-width: 600px) {
  .link-btns a.for-pc { display: none; }
  .link-btns a.for-sp { display: inline-flex; }
}
.small { font-size: .85rem; color: var(--muted); margin: .7rem 0 0; }

/* ---------- 2 久留米市内水ハザードマップ（市の資料に合わせた作り） ---------- */
.nz { max-width: 860px; margin: 0 auto; background: #fff; border: 1px solid var(--line); color: #000; font-size: .95rem; line-height: 1.6; }
.nz p { margin: 0; }
.nz-pad { padding: 1rem 1.4rem 1.4rem; }
/* 表紙 */
.nz-cover { padding: 1.6rem 1.4rem 1.8rem; background-color: #D8E6F6; background-image: radial-gradient(circle at 20% 30%, rgba(255,255,255,.55) 0 3px, transparent 4px), radial-gradient(circle at 70% 60%, rgba(255,255,255,.45) 0 2px, transparent 3px), radial-gradient(circle at 45% 80%, rgba(180,205,235,.6) 0 3px, transparent 4px); background-size: 46px 40px, 34px 38px, 52px 44px; }
.nz-cover .en { margin: 0 0 0 8%; font-size: clamp(1.1rem, 3vw, 1.7rem); font-weight: 700; color: #7FB4E8; text-shadow: 0 0 3px #fff, 0 0 3px #fff, 0 0 6px #fff; line-height: 1.2; }
.nz-cover .ttl { margin: 0 0 1.4rem 8%; font-size: clamp(1.5rem, 5.4vw, 2.7rem); font-weight: 700; color: #3C8FDD; letter-spacing: .02em; line-height: 1.25; text-shadow: 0 0 2px #fff, 0 0 4px #fff, 0 0 4px #fff, 0 0 10px #9CC8F0, 2px 3px 6px rgba(60,120,190,.45); }
.nz-cover .logos { display: flex; align-items: center; gap: 8%; margin: 0 0 1.4rem 18%; }
.nz-cover .logos img:first-child { width: clamp(64px, 11%, 90px); }
.nz-cover .logos img:last-child { width: clamp(150px, 27%, 224px); }
.nz-about { max-width: 720px; margin: 0 auto; background: #fff; border: 4px solid var(--nz-cyan); border-radius: 26px; padding: .9rem 1.3rem; font-size: 1rem; line-height: 1.5; }
.nz-about p { text-indent: 1em; }
.nz .red { color: #FF0000; }
/* 矢羽根の見出し帯 */
.nz-banner-wrap { filter: drop-shadow(4px 5px 0 #8E8E8E); margin: 1.2rem .6rem 1rem; }
.nz-banner { margin: 0; background: var(--nz-cyan); color: #fff; text-align: center; font-family: var(--font-body); font-weight: 700; font-size: 1.3rem; line-height: 1.3; padding: .65rem 2.4rem .65rem 1rem; clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 50%, calc(100% - 28px) 100%, 0 100%); }
.nz-text { padding-inline: 1.2rem; margin-bottom: .8rem; }
/* 内水氾濫とは */
.nz-two { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 16px; align-items: center; }
.nz-state { background: var(--nz-yellow); border: 1px solid #8C8C5A; padding: .6rem .6rem .3rem; }
.nz-state .pics { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); gap: 8px; align-items: start; }
.nz-state figure { margin: 0; }
.nz-state figcaption { font-size: .72rem; line-height: 1.35; margin-top: .3rem; }
.nz-state .arrow { align-self: center; margin-bottom: 3rem; width: 2.2rem; height: 1.6rem; background: #4472C4; clip-path: polygon(0 28%, 58% 28%, 58% 0, 100% 50%, 58% 100%, 58% 72%, 0 72%); }
.nz-state .cap { text-align: center; font-size: .75rem; margin-top: .2rem; }
/* 内水ハザードマップの種類 */
.nz-sub { margin: 0 0 .3rem; font-family: var(--font-body); font-size: 1.15rem; font-weight: 700; color: #0A6EC2; text-shadow: 1px 1px 0 #BFD9F2; }
.nz-scroll { overflow-x: auto; }
.nz table { border-collapse: collapse; width: 100%; }
.nz-types { min-width: 640px; font-size: .88rem; line-height: 1.35; margin-top: .6rem; }
.nz-types th, .nz-types td { border: 1px solid #000; padding: .45rem .5rem; vertical-align: middle; text-align: left; }
.nz-types thead th { background: linear-gradient(#9DC3E6, #5B9BD5 55%, #9DC3E6); text-align: center; font-weight: 400; }
.nz-types .grp td { border-bottom: 0; padding-bottom: .2rem; }
.nz-types .sub td:first-child { border-left: 0; }
.nz-types td.indent { border-top: 0; border-bottom: 0; width: 1.6rem; padding: 0; }
.nz-types tr.last td.indent { border-bottom: 1px solid #000; }
.nz-types .c { text-align: center; }
.nz-types .freq { white-space: nowrap; }
.nz .tag { display: inline-block; padding: 0 .4rem; margin-left: .3rem; }
.nz .tag.low { background: #FFFF99; } .nz .tag.mid { background: #F8CBAD; } .nz .tag.high { background: #B4A7D6; }
.nz-notes { font-size: .78rem; margin-top: .4rem; }
/* 参考：雨の強さと降り方 */
.nz-ref { display: flex; align-items: center; gap: .8rem; margin: 1.6rem 0 .5rem; font-family: var(--font-body); font-size: 1.15rem; font-weight: 700; color: #000; }
.nz-ref span { border: 2px solid #000; padding: 0 .4rem; line-height: 1.4; }
.nz-rain { min-width: 760px; font-size: .74rem; line-height: 1.3; table-layout: fixed; }
.nz-rain th, .nz-rain td { border: 1px solid #fff; padding: .35rem .3rem; vertical-align: middle; }
.nz-rain thead th { background: #fff; border: 1px solid #9BB7C9; font-weight: 400; text-align: center; font-size: .78rem; }
.nz-rain thead th small { display: block; font-size: .68rem; }
.nz-rain td.c { text-align: center; }
.nz-rain td.mm { text-align: center; font-size: .82rem; }
.nz-rain td.name { text-align: center; font-size: .86rem; }
.nz-rain td.pic { vertical-align: top; }
.nz-rain td.pic.mid { vertical-align: middle; }
.nz-rain td.pic img { margin: .3rem auto 0; width: 100%; max-width: 112px; }
.nz-rain .r1 { background: #F4FCFF; } .nz-rain .r2 { background: #BFEAFB; } .nz-rain .r3 { background: #70DEFC; } .nz-rain .r4 { background: #38BDF0; } .nz-rain .r5 { background: #06ACEC; }
.nz-rain .g23 { background: linear-gradient(#BFEAFB, #70DEFC); } .nz-rain .g45 { background: linear-gradient(#38BDF0, #06ACEC); }
.nz-rain .g25 { background: linear-gradient(#BFEAFB, #70DEFC 35%, #38BDF0 70%, #06ACEC); } .nz-rain .g12 { background: linear-gradient(#F4FCFF, #BFEAFB); }
/* 避難情報 */
.nz-level { font-size: .95rem; font-weight: 700; line-height: 1.3; }
.nz-level th, .nz-level td { border: 2px solid #000; padding: .45rem .5rem; text-align: left; }
.nz-level thead th { color: #E00000; text-align: center; font-size: .85rem; }
.nz-level td.lv { text-align: center; font-size: 1.2rem; width: 12%; }
.nz-level .lv5 { background: #000; color: #fff; } .nz-level .lv4 { background: #7030A0; color: #fff; } .nz-level .lv3 { background: #FE0000; color: #fff; } .nz-level .lv2 { background: #FFFF01; } .nz-level .lv1 { background: #fff; }
.nz-level .must td { background: #A6A6A6; color: #7030A0; text-align: center; font-size: 1.05rem; }
.nz-level td:nth-child(2) { width: 39%; }
/* 避難行動の種類 */
.nz-acts { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.nz-act { padding-inline: .9rem; }
.nz-act + .nz-act { border-left: 3px dotted #B9B9B9; }
.nz-act h4 { margin: 0 0 .8rem; text-align: center; color: #fff; font-size: 1.05rem; letter-spacing: .5em; padding: .15rem 0; }
.nz-act.flood h4 { background: linear-gradient(#B7C7D8, #7E99B5); }
.nz-act.land h4 { background: linear-gradient(#D2B58C, #A9824F); }
.nz-case { margin-bottom: 1rem; }
.nz-case .row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr); gap: 10px; align-items: center; }
.nz-case .cond { text-align: center; font-weight: 700; font-size: .92rem; line-height: 1.35; }
.nz-case .tri { width: 0; height: 0; margin: .4rem auto; border-left: 16px solid transparent; border-right: 16px solid transparent; border-top: 13px solid #8C8C8C; }
.nz-case .do { border: 2px solid #E0694F; border-radius: 8px; background: #fff; color: #D9472B; font-weight: 700; text-align: center; padding: .3rem .4rem; font-size: .92rem; line-height: 1.35; }
.nz-case .desc { font-size: .78rem; line-height: 1.45; margin-top: .4rem; }
.nz-credit { text-align: right; font-size: .68rem; padding-right: 1rem; }
/* 避難するときの心得 */
.nz-tips { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 1rem 1.6rem; padding-inline: .6rem; }
.nz-tip h4 { margin: 0 0 .5rem; font-size: 1.05rem; font-weight: 400; line-height: 1.6; }
.nz-tip h4 span { display: inline; border-left: 12px solid var(--nz-cyan); padding-left: .5rem; border-bottom: 2px solid var(--nz-cyan); box-decoration-break: clone; -webkit-box-decoration-break: clone; }
.nz-tip .row { display: grid; grid-template-columns: 6rem minmax(0, 1fr); gap: .8rem; align-items: center; }
/* 防災情報の入手 */
.nz-info-head { margin: .6rem 0 0; background: #5B9BD5; color: #fff; font-family: var(--font-body); font-size: 1.15rem; font-weight: 400; padding: .25rem 1rem; border-radius: 8px 8px 0 0; box-shadow: 2px 3px 0 #3F6FA3; }
.nz-info { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.nz-info li { background: var(--nz-yellow); padding: .5rem 1rem .7rem; }
.nz-info .name { font-size: 1.1rem; color: #0A6EC2; }
.nz-info .name a { color: #0A6EC2; font-weight: 700; }
.nz-info .name a:hover { color: var(--tsutsuji); }
.nz-info p { padding-left: 1.3rem; }
/* 問い合わせ先 */
.nz-contact-label { display: inline-block; margin: 1.4rem 0 .5rem .6rem; background: var(--nz-cyan); color: #fff; font-weight: 700; padding: .2rem 1.4rem; border-radius: 10px; }
.nz-contact { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: .8rem 1.4rem; border: 5px solid var(--nz-cyan); border-radius: 26px; padding: 1rem 1.4rem; font-size: .9rem; line-height: 1.5; }
.nz-contact dl { margin: 0; display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 0 .2rem; }
.nz-contact dd { margin: 0; overflow-wrap: anywhere; }
.nz-contact .tel { letter-spacing: .12em; }

footer { background: var(--ai-deep); color: #C9D3E6; padding-block: 1.8rem; font-size: .85rem; }
footer .container { display: flex; flex-wrap: wrap; gap: 16px 32px; justify-content: space-between; align-items: center; }
footer img { height: 3rem; width: auto; }
footer p { margin: 0; }

@media (max-width: 820px) {
  .map-grid { grid-template-columns: 1fr; }
  .map-fig, .side, .sh-box { grid-column: 1; grid-row: auto; }
  .sh-groups { grid-template-columns: 1fr; }
  .sh-group + .sh-group { padding-left: 0; border-left: 0; margin-top: .9rem; padding-top: .9rem; border-top: 1px dashed var(--line); }
  .tabs { grid-template-columns: 1fr; }
  .panel { padding: 1rem; }
  .brand img { height: 2.8rem; }
  .nz-two, .nz-acts, .nz-tips, .nz-contact { grid-template-columns: 1fr; }
  .nz-act + .nz-act { border-left: 0; border-top: 3px dotted #B9B9B9; padding-top: 1rem; }
  .nz-pad { padding: .8rem .8rem 1rem; }
  .nz-cover .logos { margin-left: 8%; }
}