/* 有限会社三洋機工 ── 全ページ共通
   見立て: 石定盤の黒・CAD画面の紺と格子・点群の青・サーフェスの青緑・ツールパスの黄・図面の紙
   （提案デモ mocks/sanyo-kiko/ の見た目をそのまま引き継ぐ） */
:root{
  --teiban:#0d1622;        /* 石定盤の黒 */
  --teiban-usu:#152334;
  --gamen:#0f1d30;         /* CAD画面の紺 */
  --koushi:rgba(120,170,230,.11); /* 画面の格子 */
  --tengun:#4fa8ff;        /* 点群・スキャン光の青 */
  --men:#39c6b4;           /* サーフェスの青緑 */
  --pass:#d9e04a;          /* ツールパスの黄 */
  --hagane:#c9d3dd;        /* 鋼の面 */
  --zumen:#f4f1e8;         /* 図面の紙 */
  --zumen-sen:#d8d2c0;
  --sumi:#1c2733;
  --usuzumi:#5a6978;
  --ji:#3d4a57;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:"Zen Kaku Gothic New","Hiragino Sans","Hiragino Kaku Gothic ProN",sans-serif;color:var(--sumi);background:var(--zumen);line-height:1.85;font-size:16px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{max-width:100%;display:block}
img{height:auto}
a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}
.hitokatamari{white-space:nowrap}
.suji{font-family:"IBM Plex Mono",ui-monospace,monospace;letter-spacing:.02em}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
:focus-visible{outline:2px solid var(--tengun);outline-offset:2px}

/* ── 座標バー（ヘッダー） ── */
.zahyo-bar{position:sticky;top:0;z-index:40;background:var(--teiban);color:#dfe8f2;border-bottom:1px solid rgba(120,170,230,.25)}
.zahyo-in{max-width:1200px;margin:0 auto;padding:12px 24px;display:flex;align-items:center;gap:22px}
.shamei{display:flex;align-items:center;gap:11px;text-decoration:none;margin-right:auto;min-width:0}
.shamei svg{width:34px;height:34px;flex:none}
.shamei b{font-size:19px;font-weight:900;letter-spacing:.08em;white-space:nowrap}
.shamei small{display:block;font-size:10.5px;color:#8fa6bf;letter-spacing:.14em;font-weight:500;line-height:1.3}
.zahyo-michi{display:flex;gap:18px;font-size:13.5px}
.zahyo-michi a{text-decoration:none;color:#b9c9da;padding:4px 0;border-bottom:1px solid transparent;white-space:nowrap}
.zahyo-michi a:hover,.zahyo-michi a[aria-current]{color:#fff;border-color:var(--tengun)}
.zahyo-michi a.michi-toi{color:var(--pass);border:1px solid rgba(217,224,74,.6);padding:3px 11px}
.zahyo-michi a.michi-toi:hover,.zahyo-michi a.michi-toi[aria-current]{background:var(--pass);color:#1b2200}
.zahyo-denwa{display:flex;flex-direction:column;align-items:flex-end;text-decoration:none;line-height:1.25}
.zahyo-denwa small{font-size:10px;color:#8fa6bf;letter-spacing:.1em}
.zahyo-denwa b{font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:17px;color:var(--pass);font-weight:500}
.santen{display:none;background:none;border:1px solid rgba(120,170,230,.4);color:#dfe8f2;width:42px;height:38px;align-items:center;justify-content:center;cursor:pointer;flex:none}
.santen svg{width:22px;height:22px}

/* ── ビューポート（トップの大きな面） ── */
.viewport{position:relative;color:#eef4fa;background:
  linear-gradient(90deg,rgba(13,22,34,.96) 0%,rgba(13,22,34,.86) 36%,rgba(13,22,34,.3) 62%,transparent 82%),
  url(/assets/img/hero.webp) 72% 50%/cover no-repeat var(--teiban);min-height:580px;overflow:hidden}
.viewport::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--koushi) 1px,transparent 1px),linear-gradient(90deg,var(--koushi) 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(90deg,#000 0%,#000 40%,transparent 66%);-webkit-mask-image:linear-gradient(90deg,#000 0%,#000 40%,transparent 66%);pointer-events:none}
.viewport-in{position:relative;max-width:1200px;margin:0 auto;padding:84px 24px 96px}
.layer-mei{display:inline-flex;align-items:center;gap:9px;font-size:12px;color:var(--tengun);border:1px solid rgba(79,168,255,.5);padding:3px 11px;margin-bottom:26px;letter-spacing:.08em}
.layer-mei i{width:7px;height:7px;background:var(--tengun);border-radius:50%;display:block}
.viewport h1{font-size:clamp(30px,4.5vw,53px);font-weight:900;line-height:1.36;letter-spacing:.02em;max-width:13.5em}
.viewport h1 em{font-style:normal;color:var(--pass)}
.viewport-setsu{margin-top:24px;max-width:31em;font-size:16.5px;color:#cbd8e6}
.viewport-botan{margin-top:34px;display:flex;flex-wrap:wrap;gap:13px}
.osu{display:inline-block;text-decoration:none;font-weight:700;font-size:15px;padding:13px 24px;border:1px solid var(--pass);color:var(--pass);cursor:pointer;background:none;line-height:1.5}
.osu.nuri{background:var(--pass);color:#1b2200}
.osu.kurai{border-color:var(--sumi);color:var(--sumi)}
.osu.kurai.nuri{background:var(--sumi);color:#fff}
.jiku{position:absolute;left:24px;bottom:22px;width:74px;opacity:.9}

/* ── 状態行（数字の帯） ── */
.jotai{background:var(--teiban-usu);color:#cfdbe7;border-top:1px solid rgba(120,170,230,.2)}
.jotai-in{max-width:1200px;margin:0 auto;padding:0 24px;display:grid;grid-template-columns:repeat(4,1fr)}
.jotai-ko{padding:20px 18px 18px;border-left:1px solid rgba(120,170,230,.18)}
.jotai-ko:last-child{border-right:1px solid rgba(120,170,230,.18)}
.jotai-ko span{display:block;font-size:11px;color:#7f97b1;letter-spacing:.12em}
.jotai-ko b{font-size:22px;font-weight:500;color:#fff}
.jotai-ko b small{font-size:13px;margin-left:3px;color:#b9c9da;font-family:"Zen Kaku Gothic New",sans-serif}

/* ── 下層ページの見出し（画面の帯） ── */
.gamen-midashi{background:var(--gamen);color:#e5edf5;background-image:linear-gradient(var(--koushi) 1px,transparent 1px),linear-gradient(90deg,var(--koushi) 1px,transparent 1px);background-size:44px 44px;border-bottom:1px solid rgba(120,170,230,.25)}
.gamen-midashi .haba{padding-top:34px;padding-bottom:46px}
.ashiato{list-style:none;display:flex;flex-wrap:wrap;gap:6px;font-size:12.5px;color:#8fa6bf;margin-bottom:22px}
.ashiato li+li::before{content:"/";margin-right:6px;color:#56708c}
.ashiato a{text-decoration:none}
.ashiato a:hover{color:#fff}
.gamen-midashi .layer-mei{margin-bottom:14px}
.gamen-midashi h1{font-size:clamp(26px,3.6vw,40px);font-weight:900;line-height:1.45;letter-spacing:.02em}
.gamen-midashi p{margin-top:14px;max-width:44em;color:#b9c9da;font-size:15.5px}

/* ── 共通の幅と章見出し ── */
.haba{max-width:1200px;margin:0 auto;padding:0 24px}
.haba.semai{max-width:860px}
.sho{padding:88px 0}
.sho.chijimi{padding:64px 0}
.sho-ban{font-size:12px;color:var(--usuzumi);letter-spacing:.16em;display:flex;align-items:center;gap:10px;margin-bottom:12px}
.sho-ban::before{content:"";width:28px;height:1px;background:var(--usuzumi)}
.sho h2{font-size:clamp(23px,3vw,34px);font-weight:900;line-height:1.5;letter-spacing:.02em}
.sho-mae{margin-top:16px;max-width:44em;color:var(--ji)}
.sho-ato{margin-top:34px}
.koi{background:var(--gamen);color:#e5edf5;background-image:linear-gradient(var(--koushi) 1px,transparent 1px),linear-gradient(90deg,var(--koushi) 1px,transparent 1px);background-size:44px 44px}
.koi .sho-ban{color:#8fa6bf}.koi .sho-ban::before{background:#8fa6bf}
.koi .sho-mae{color:#b9c9da}
.kami{background:#ebe6d8;border-top:1px solid var(--zumen-sen);border-bottom:1px solid var(--zumen-sen)}
.honbun p+p{margin-top:1em}
.honbun-yoko{display:grid;grid-template-columns:1.2fr 1fr;gap:44px;align-items:start;margin-top:40px}

/* ── 依頼の2面 ── */
.irai-men{margin-top:44px;display:grid;grid-template-columns:1fr 1fr;gap:26px}
.irai-ita{background:#fff;border:1px solid var(--zumen-sen);padding:30px 30px 26px;position:relative;display:flex;flex-direction:column}
.irai-ita::before{content:"";position:absolute;left:0;top:0;width:100%;height:4px;background:var(--tengun)}
.irai-ita.aru::before{background:var(--men)}
.irai-ita>h3{font-size:20px;font-weight:900;line-height:1.5}
.irai-ita>h3 small{display:block;font-size:12px;color:var(--usuzumi);font-weight:500;letter-spacing:.1em;margin-bottom:4px}
.irai-e{margin:18px 0 6px;height:116px}
.irai-ita ul{list-style:none;margin-top:14px}
.irai-ita li,.maru-ul li{padding:9px 0 9px 26px;border-top:1px dashed var(--zumen-sen);position:relative;font-size:15.5px;line-height:1.6}
.irai-ita li::before,.maru-ul li::before{content:"";position:absolute;left:4px;top:17px;width:9px;height:9px;border:2px solid var(--tengun);transform:rotate(45deg)}
.irai-ita.aru li::before,.maru-ul.aru li::before{border-color:var(--men)}
.maru-ul{list-style:none;margin-top:18px}
.maru-ul li:last-child{border-bottom:1px dashed var(--zumen-sen)}
.irai-dogu{margin-top:16px;font-size:13px;color:var(--usuzumi);border-top:1px solid var(--zumen-sen);padding-top:12px}
.irai-saki{margin-top:auto;padding-top:18px}
.irai-saki a{font-weight:700;font-size:14.5px;color:var(--sumi);text-decoration:none;border-bottom:2px solid var(--tengun)}
.irai-ita.aru .irai-saki a{border-color:var(--men)}

/* ── 工程 ── */
.koutei-narabi{margin-top:44px;display:grid;grid-template-columns:repeat(5,1fr);gap:0;counter-reset:dan}
.dan{padding:0 16px 0 0;position:relative;min-width:0}
.dan svg{width:100%;height:auto;border:1px solid rgba(120,170,230,.3);background:rgba(8,14,22,.5)}
.dan b{display:block;margin-top:14px;font-size:16px;font-weight:700;line-height:1.5}
.dan b::before{counter-increment:dan;content:"0" counter(dan);font-family:"IBM Plex Mono",monospace;font-weight:400;font-size:12px;color:var(--pass);display:block;letter-spacing:.1em}
.dan p{font-size:13.5px;color:#a9bbcd;line-height:1.7;margin-top:4px}
.nouhin{margin-top:56px;border:1px solid rgba(217,224,74,.45);padding:28px 30px;display:grid;grid-template-columns:1fr 1.25fr;gap:34px;align-items:center}
.nouhin h3{font-size:21px;font-weight:900;line-height:1.55}
.nouhin h3 em{font-style:normal;color:var(--pass)}
.nouhin p{font-size:14.5px;color:#b9c9da;margin-top:10px}
.nouhin-zu{min-width:0;overflow-x:auto}
.nouhin-zu svg{min-width:470px}
.yoko-annai{display:none;font-size:11.5px;color:#8fa6bf;margin-bottom:8px}

/* ── 写真（現行サイトの事例画像） ── */
.shashin-narabi{margin-top:30px;display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:18px}
.shashin-narabi figure,.shashin-hitotsu{background:#fff;border:1px solid var(--zumen-sen);padding:10px;margin:0}
.shashin-narabi img,.shashin-hitotsu img{width:100%;aspect-ratio:3/2;object-fit:contain;background:#fff}
.shashin-narabi figcaption,.shashin-hitotsu figcaption{font-size:13px;color:var(--ji);margin-top:8px;line-height:1.6}
.shashin-hitotsu img{aspect-ratio:auto}
.koi .shashin-narabi figure{border-color:rgba(120,170,230,.3)}
.nagare-e{background:#fff;border:1px solid var(--zumen-sen);padding:14px}
.nagare-e img{width:100%}

/* ── 金型 ── */
.kata-wari{margin-top:42px;display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:start}
.kata-shashin{position:relative;margin:0}
.kata-shashin img{width:100%;height:auto}
.kata-shu{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.kata-shu span{background:#fff;border:1px solid var(--zumen-sen);border-left:4px solid var(--sumi);padding:13px 15px;font-weight:700;font-size:15.5px}
.niju{margin-top:24px;background:var(--sumi);color:#eef4fa;padding:22px 24px;display:flex;gap:18px;align-items:center}
.niju svg{width:64px;flex:none}
.niju p{font-size:14.5px;line-height:1.8}
.niju p b{color:var(--pass)}

/* ── 道具の年表（沿革） ── */
.nenpyo{margin-top:40px;position:relative}
.nen-gyo{display:grid;grid-template-columns:104px 26px 1fr;align-items:start}
.nen-gyo time{font-family:"IBM Plex Mono",monospace;font-size:15px;color:var(--sumi);padding-top:11px;text-align:right}
.nen-ten{position:relative;height:100%;min-height:50px}
.nen-ten::before{content:"";position:absolute;left:12px;top:0;bottom:0;width:1px;background:#b3ab94}
.nen-ten::after{content:"";position:absolute;left:8px;top:17px;width:9px;height:9px;background:var(--zumen);border:2px solid var(--sumi);border-radius:50%}
.nen-gyo.fushime .nen-ten::after{background:var(--tengun);border-color:var(--tengun);width:13px;height:13px;left:6px;top:15px}
.nen-gyo p{padding:9px 0 13px 12px;font-size:15.5px;line-height:1.7}
.nen-gyo p small{display:inline-block;font-size:11.5px;letter-spacing:.08em;padding:1px 8px;margin-right:8px;border:1px solid var(--usuzumi);color:var(--usuzumi);vertical-align:2px}
.nen-gyo.fushime p{font-weight:700}

/* ── 販売 ── */
.uri-mittsu{margin-top:42px;display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--zumen-sen);background:#fff}
.uri-waku{padding:28px 26px;border-left:1px solid var(--zumen-sen);min-width:0;display:flex;flex-direction:column}
.uri-waku:first-child{border-left:0}
.uri-waku>h3{font-size:18px;font-weight:900}
.uri-waku>h3 small{display:block;font-size:11.5px;letter-spacing:.14em;color:var(--usuzumi);font-weight:500}
.uri-waku p{font-size:14.5px;color:var(--ji);margin-top:10px}
.maker{margin-top:14px;display:flex;flex-wrap:wrap;gap:7px}
.maker span{font-size:13px;border:1px solid var(--zumen-sen);background:var(--zumen);padding:3px 10px}
.uri-saki{margin-top:auto;padding-top:16px;font-size:14px;font-weight:700}
.uri-saki a{text-decoration:none;border-bottom:2px solid var(--pass)}
.shouhin{display:grid;grid-template-columns:1fr 340px;gap:40px;align-items:start;padding:34px 0;border-top:1px solid var(--zumen-sen)}
.shouhin:first-of-type{border-top:0}
.shouhin h3{font-size:21px;font-weight:900;line-height:1.5}
.shouhin h3 small{display:block;font-size:11.5px;letter-spacing:.14em;color:var(--usuzumi);font-weight:500}
.shouhin p{margin-top:12px;color:var(--ji);font-size:15.5px}
.shouhin figure{background:#fff;border:1px solid var(--zumen-sen);padding:10px;margin:0}
.shouhin figure{justify-self:end;max-width:100%}
.shouhin figure img{width:auto;max-width:100%;margin:0 auto}

/* ── 製作事例・ブログの一覧 ── */
.wake{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.wake a{text-decoration:none;font-size:14px;border:1px solid var(--zumen-sen);background:#fff;padding:6px 15px}
.wake a[aria-current]{background:var(--sumi);border-color:var(--sumi);color:#fff}
.jirei-narabi{margin-top:30px;display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:22px}
.jirei-fuda{color:var(--sumi);background:#fff;border:1px solid var(--zumen-sen);text-decoration:none;display:flex;flex-direction:column;transition:border-color .2s,transform .2s}
.jirei-fuda:hover{border-color:var(--tengun);transform:translateY(-2px)}
.jirei-fuda .e{aspect-ratio:3/2;background:#fff;display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--zumen-sen);padding:10px;overflow:hidden}
.jirei-fuda .e img{width:100%;height:100%;object-fit:contain}
.jirei-fuda .e.nashi{background:var(--gamen);color:#8fa6bf;font-size:13px}
.jirei-fuda .ji{padding:14px 16px 16px}
.jirei-fuda small{display:block;font-size:11.5px;color:var(--usuzumi);letter-spacing:.06em}
.jirei-fuda b{display:block;font-size:16.5px;line-height:1.55;margin-top:2px}
.jirei-fuda .mai{display:block;font-size:12px;color:var(--usuzumi);margin-top:6px}
.blog-narabi{list-style:none;margin-top:28px;border-top:1px solid var(--zumen-sen)}
.blog-narabi li{border-bottom:1px solid var(--zumen-sen)}
.blog-narabi a{display:grid;grid-template-columns:120px 1fr auto;gap:18px;align-items:center;padding:16px 4px;text-decoration:none}
.blog-narabi a:hover b{color:#1f6fc4}
.blog-narabi time{font-family:"IBM Plex Mono",monospace;font-size:13.5px;color:var(--usuzumi)}
.blog-narabi b{font-size:16.5px;line-height:1.6}
.blog-narabi .e{width:84px;aspect-ratio:3/2;object-fit:cover;background:#fff;border:1px solid var(--zumen-sen)}
.kara{margin-top:28px;background:#fff;border:1px dashed var(--zumen-sen);padding:26px;color:var(--usuzumi);font-size:15px}
.motto{margin-top:26px}

/* ── 記事（事例・ブログの1件） ── */
.kiji-atama{display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center;font-size:13px;color:#8fa6bf;margin-top:14px}
.kiji-honbun{font-size:16.5px;line-height:2}
.kiji-honbun p+p,.kiji-honbun p+ul,.kiji-honbun ul+p{margin-top:1.1em}
.kiji-honbun a{color:#1f6fc4;word-break:break-all}
.kiji-shashin{margin-top:34px;display:grid;gap:22px}
.kiji-shashin figure{background:#fff;border:1px solid var(--zumen-sen);padding:12px;margin:0}
.kiji-shashin img{margin:0 auto;max-height:80vh;width:auto}
.kiji-shashin figcaption{font-size:14px;color:var(--ji);margin-top:8px;text-align:center}
.kiji-shashin.futatsu{grid-template-columns:1fr 1fr}
.kiji-pdf{margin-top:30px;display:grid;gap:10px}
.kiji-pdf a{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--zumen-sen);border-left:4px solid #d4553f;padding:14px 18px;text-decoration:none}
.kiji-pdf a:hover{border-color:#d4553f}
.kiji-pdf b{font-size:15.5px;word-break:break-all}
.kiji-pdf small{display:block;font-size:12px;color:var(--usuzumi)}
.kiji-pdf svg{width:30px;flex:none}
.kiji-modoru{margin-top:44px;padding-top:22px;border-top:1px solid var(--zumen-sen);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between}

/* ── 会社概要 ── */
.gaiyou{width:100%;border-collapse:collapse;font-size:15.5px;background:#fff;border:1px solid var(--zumen-sen)}
.gaiyou th,.gaiyou td{text-align:left;padding:15px 20px;border-bottom:1px solid var(--zumen-sen);vertical-align:top;font-weight:400}
.gaiyou th{width:9em;color:var(--usuzumi);font-size:14px;background:#faf8f2}
.gaiyou .keitai{display:block;margin-top:6px;font-size:13.5px;color:var(--usuzumi)}
.gaiyou .keitai a{text-decoration:none;color:inherit}
.chizu{margin-top:30px;border:1px solid var(--zumen-sen);background:#fff;padding:8px}
.chizu iframe{display:block;width:100%;height:380px;border:0}
.chizu-ato{margin-top:10px;font-size:14px}
.chizu-ato a{color:#1f6fc4}

/* ── 連絡（下の帯） ── */
.moto{background:var(--teiban);color:#dfe8f2}
.moto .sho-ban{color:#8fa6bf}.moto .sho-ban::before{background:#8fa6bf}
.renraku-wari{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center}
.renraku-wari h2{font-size:clamp(22px,2.8vw,30px);font-weight:900;line-height:1.55}
.renraku-wari>div>p{font-size:15px;color:#b9c9da;margin-top:12px}
.renraku-hako{border:1px solid rgba(120,170,230,.35);padding:28px 30px 26px;background:rgba(15,29,48,.7)}
.renraku-gyo{display:grid;grid-template-columns:54px 1fr;row-gap:10px;align-items:baseline}
.renraku-gyo dt{font-size:11.5px;color:#8fa6bf;letter-spacing:.14em}
.renraku-gyo dd{font-size:20px;color:#fff;word-break:break-all}
.renraku-gyo dd a{text-decoration:none;color:var(--pass)}
.renraku-gyo dd.chiisai{font-size:15.5px}
.renraku-hako .osu{margin-top:20px;display:block;text-align:center}

/* ── 問い合わせフォーム ── */
.toi-wari{display:grid;grid-template-columns:1fr 330px;gap:44px;align-items:start}
.toi-yoko{position:sticky;top:90px;background:var(--teiban);color:#dfe8f2;padding:26px 24px}
.toi-yoko h2{font-size:17px;font-weight:900}
.toi-yoko .renraku-gyo{margin-top:14px}
.toi-yoko .renraku-gyo dd{font-size:18px}
.toi-yoko p{font-size:13px;color:#b9c9da;margin-top:14px}
.fomu{background:#fff;border:1px solid var(--zumen-sen);padding:32px 32px 30px}
.fomu fieldset{border:0}
.fomu .ran{margin-bottom:22px}
.fomu .ran>label,.fomu .ran>legend{display:block;font-weight:700;font-size:15px;margin-bottom:8px}
.fomu .hissu{display:inline-block;font-size:11px;background:#d4553f;color:#fff;padding:1px 7px;margin-left:8px;vertical-align:2px;font-weight:700}
.fomu .nini{display:inline-block;font-size:11px;background:#e8e4d8;color:var(--usuzumi);padding:1px 7px;margin-left:8px;vertical-align:2px;font-weight:700}
.fomu input[type=text],.fomu input[type=email],.fomu input[type=tel],.fomu textarea,.fomu select{width:100%;padding:12px 14px;border:1.5px solid #cfc8b4;background:#fdfcf8;font-size:16px;border-radius:0}
.fomu input:focus,.fomu textarea:focus,.fomu select:focus{border-color:var(--tengun);outline:none;background:#fff}
.fomu textarea{min-height:190px;line-height:1.8;resize:vertical}
.fomu .sentaku{display:flex;flex-wrap:wrap;gap:8px}
.fomu .sentaku label{display:flex;align-items:center;gap:8px;border:1.5px solid #cfc8b4;padding:9px 14px;cursor:pointer;font-size:15px;background:#fdfcf8}
.fomu .sentaku label:has(input:checked){border-color:var(--sumi);background:var(--sumi);color:#fff}
.fomu .sentaku input{accent-color:var(--pass)}
.fomu .setsu{font-size:13px;color:var(--usuzumi);margin-top:6px}
.fomu .tenpu{border:1.5px dashed #cfc8b4;padding:16px;background:#fdfcf8}
.fomu .tenpu input{font-size:14px;max-width:100%}
.fomu .wana{position:absolute;left:-9999px}
.fomu .okuru{width:100%;margin-top:6px;font-size:17px;padding:15px}
.fomu .okuru[disabled]{opacity:.55;cursor:wait}
.fomu .kekka{margin-top:16px;padding:14px 16px;font-size:14.5px;display:none}
.fomu .kekka.aka{display:block;background:#fbeae6;color:#a33a26}
.fomu .kekka.ao{display:block;background:#e6f2ef;color:#1f6a5d}
.toi-sumi{text-align:center;padding:30px 10px}
.toi-sumi svg{width:64px;margin:0 auto 14px}
.toi-sumi h2{font-size:22px;font-weight:900}
.toi-sumi p{margin-top:12px;color:var(--ji)}

/* ── 足（フッター） ── */
.shita{background:#080e16;color:#8fa6bf;font-size:13px;padding:44px 0 34px}
.shita-ue{display:grid;grid-template-columns:1.2fr 1fr;gap:40px}
.shita b{color:#dfe8f2;font-weight:700;font-size:16px;letter-spacing:.06em}
.shita p{margin-top:10px;line-height:1.9}
.shita a{color:#b9c9da;text-decoration:none}
.shita a:hover{color:#fff}
.shita ul{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:6px 20px}
.shita-shita{margin-top:30px;padding-top:18px;border-top:1px solid rgba(120,170,230,.15);display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;font-size:12px}

/* ── スマホの下の帯 ── */
.shita-obi{display:none}

/* ── 現れ方 ── */
.ugoku .arawasu{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.ugoku .arawasu.deta{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.ugoku .arawasu{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

@media(max-width:1100px){
  .zahyo-michi{display:none;position:absolute;left:0;right:0;top:100%;background:var(--teiban);flex-direction:column;gap:0;padding:6px 24px 18px;border-bottom:1px solid rgba(120,170,230,.3);box-shadow:0 18px 30px rgba(0,0,0,.35)}
  .zahyo-michi.hiraki{display:flex}
  .zahyo-michi a{padding:14px 2px;border-bottom:1px solid rgba(120,170,230,.15);font-size:15.5px}
  .zahyo-michi a.michi-toi{border:0;border-bottom:1px solid rgba(120,170,230,.15);padding:14px 2px}
  .santen{display:flex}
}
@media(max-width:960px){
  .irai-men,.kata-wari,.nouhin,.honbun-yoko,.renraku-wari,.toi-wari,.shita-ue{grid-template-columns:1fr}
  .koutei-narabi{grid-template-columns:1fr 1fr;row-gap:30px}
  .uri-mittsu{grid-template-columns:1fr}
  .uri-waku{border-left:0;border-top:1px solid var(--zumen-sen)}
  .uri-waku:first-child{border-top:0}
  .jotai-in{grid-template-columns:1fr 1fr}
  .jotai-ko:nth-child(n+3){border-top:1px solid rgba(120,170,230,.18)}
  .jotai-ko:nth-child(2){border-right:1px solid rgba(120,170,230,.18)}
  .shouhin{grid-template-columns:1fr;gap:18px}
  .shouhin figure{max-width:360px;justify-self:start}
  .toi-yoko{position:static}
}
@media(max-width:620px){
  body{font-size:15.5px;padding-bottom:62px}
  .zahyo-in{padding:10px 16px;gap:10px}
  .shamei b{font-size:16px}
  .shamei small{display:none}
  .shamei svg{width:28px;height:28px}
  .zahyo-denwa{display:none}
  .zahyo-michi{padding:4px 16px 14px}
  .viewport{background:linear-gradient(180deg,rgba(13,22,34,.93) 0%,rgba(13,22,34,.84) 55%,rgba(13,22,34,.6) 100%),url(/assets/img/hero.webp) 74% 60%/cover no-repeat var(--teiban);min-height:0}
  .viewport::before{mask-image:none;-webkit-mask-image:none;opacity:.6}
  .viewport-in{padding:54px 16px 90px}
  .haba{padding:0 16px}
  .sho{padding:60px 0}
  .sho.chijimi{padding:46px 0}
  .gamen-midashi .haba{padding-top:22px;padding-bottom:34px}
  .irai-ita{padding:24px 20px 20px}
  .koutei-narabi{grid-template-columns:1fr}
  .dan{padding-right:0}
  .nouhin{padding:22px 18px}
  .yoko-annai{display:block}
  .kata-shu{grid-template-columns:1fr}
  .nen-gyo{grid-template-columns:74px 24px 1fr}
  .nen-gyo time{font-size:13px}
  .nen-gyo p{font-size:14.5px}
  .niju{flex-direction:column;align-items:flex-start}
  .renraku-hako{padding:22px 18px}
  .renraku-gyo dd{font-size:18px}
  .jiku{display:none}
  .gaiyou th,.gaiyou td{display:block;width:auto;padding:10px 16px}
  .gaiyou th{border-bottom:0;padding-bottom:2px;background:none}
  .gaiyou td{padding-top:0}
  .chizu iframe{height:300px}
  .blog-narabi a{grid-template-columns:1fr auto;gap:4px 14px}
  .blog-narabi time{grid-column:1}
  .blog-narabi b{grid-column:1}
  .blog-narabi .e{grid-row:1/3;grid-column:2;width:72px}
  .kiji-shashin.futatsu{grid-template-columns:1fr}
  .fomu{padding:22px 16px}
  .shita ul{grid-template-columns:1fr 1fr}
  .shita-obi{display:grid;grid-template-columns:1fr 1fr;position:fixed;left:0;right:0;bottom:0;z-index:45;background:var(--teiban);border-top:1px solid rgba(120,170,230,.3);padding-bottom:env(safe-area-inset-bottom)}
  .shita-obi a{display:flex;align-items:center;justify-content:center;gap:8px;padding:13px 6px;text-decoration:none;font-weight:700;font-size:15px;color:#dfe8f2}
  .shita-obi a svg{width:19px;height:19px}
  .shita-obi .obi-denwa{color:var(--pass);border-right:1px solid rgba(120,170,230,.3)}
}
@media(max-width:620px){br.pc{display:none}}

/* ── 見出しを言葉のまとまりで折り返す ── */
.hk{display:inline-block}
h1,h2,h3{word-break:auto-phrase;text-wrap:pretty}

/* ── 沿革（年代ごと） ── */
.enkaku{margin-top:34px}
.nendai{display:grid;grid-template-columns:118px 1fr;gap:20px;padding:22px 0 18px;border-top:1px solid #cfc7af}
.nendai:last-child{border-bottom:1px solid #cfc7af}
.nendai-mei{line-height:1;padding-top:8px}
.nendai-mei b{display:block;font-size:30px;font-weight:500;color:var(--sumi);letter-spacing:.02em}
.nendai-mei small{display:block;font-size:12.5px;color:#3d4a57;margin-top:6px;letter-spacing:.14em}
.nendai ol{list-style:none}
.nendai li{display:grid;grid-template-columns:76px 1fr;gap:12px;align-items:baseline;padding:10px 0;border-bottom:1px dashed #cbc2a8}
.nendai li:last-child{border-bottom:0}
.nendai time{font-size:14.5px;color:#2f3b48;font-weight:500}
.nendai .tag{display:inline-block;width:84px;margin-right:12px;text-indent:0;text-align:center;font-size:12px;font-weight:700;letter-spacing:.04em;padding:0 4px;border:1px solid transparent;line-height:1.75;white-space:nowrap;vertical-align:1px}
.nendai .tag:empty{border:0}
.nendai .tag.cad{color:#135f54;border-color:#4fae9f;background:#e3f4f0}
.nendai .tag.scan{color:#164f8f;border-color:#5f9fe0;background:#e4effc}
.nendai .tag.sokutei{color:#555000;border-color:#b3ad2e;background:#f4f2cf}
.nendai .tag.kakou{color:#3d4a57;border-color:#8c98a5;background:#eef1f4}
.nendai li p{font-size:16px;line-height:1.7;color:#16202b;font-weight:500;padding-left:96px;text-indent:-96px}
.nendai li.fushime p{font-weight:700}
.nendai li.fushime time{color:#16202b;font-weight:700}
.nendai li.fushime{position:relative}
.nendai li.fushime::before{content:"";position:absolute;left:-14px;top:50%;width:7px;height:7px;margin-top:-4px;background:var(--tengun);border-radius:50%}
.nendai li.usui p{color:#2f3b48;font-size:15px;font-weight:400}
@media(max-width:620px){
  .nendai{grid-template-columns:1fr;gap:8px;padding:18px 0 12px}
  .nendai-mei{display:flex;align-items:baseline;gap:6px;padding-top:0}
  .nendai-mei b{font-size:24px}
  .nendai-mei small{margin-top:0}
  .nendai li{grid-template-columns:62px 1fr;gap:10px}
  .nendai li p{font-size:14.5px;padding-left:0;text-indent:0}
  .nendai .tag{width:auto;padding:0 7px;margin-right:7px;font-size:11px}
  .nendai .tag:empty{display:none}
  .nendai li.fushime::before{display:none}
  .jotai-ko b{font-size:18px}
}