/* 株式会社吉久 コーポレートサイト 共通スタイル
   トップページ（尖り版v3）から抽出。全ページで共有します。 */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

    :root {
      --ink:        #0a0c0b;   /* 黒 */
      --ink-2:      #141815;   /* 黒（面の切替用） */
      --paper:      #ffffff;
      --paper-2:    #f1f4f2;
      --green:      #1f5c37;   /* 白地用・濃い企業緑 */
      --green-mid:  #2d6b44;
      --green-vv:   #3ddc84;   /* 黒地用・鮮烈な緑 */
      --heat:       #ff5c1a;   /* 赤熱のオレンジ（ごく少量） */
      --line:       #d5dbd7;
      --line-dark:  rgba(255,255,255,0.14);
      --txt:        #24292a;
      --txt-sub:    #5c6663;
      --nav-h:      64px;
      --sans: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP", sans-serif;
      --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
    }

    html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
    body {
      font-family: var(--sans);
      color: var(--txt);
      background: var(--paper);
      line-height: 1.9;
      overflow-x: hidden;
    }
    img { max-width: 100%; display: block; }
    a { text-decoration: none; color: inherit; }
    ul { list-style: none; }

    .wrap { max-width: 1240px; margin: 0 auto; padding: 0 40px; }

    /* ============ HEADER ============ */
    #header {
      position: fixed; top: 0; left: 0; right: 0;
      height: var(--nav-h);
      display: flex; align-items: center; justify-content: space-between;
      padding: 0 40px; z-index: 1000;
      background: transparent;
      border-bottom: 1px solid transparent;
      transition: background .35s, border-color .35s;
    }
    #header.scrolled {
      background: var(--ink);
      border-bottom-color: var(--line-dark);
    }
    /* 企業色の緑ロゴ。写真の上でも沈まないよう影で輪郭を立てる */
    .logo img {
      height: 36px; width: auto;
      filter: drop-shadow(0 1px 3px rgba(0,0,0,.55)) drop-shadow(0 0 10px rgba(0,0,0,.35));
    }
    #header nav ul { display: flex; align-items: center; gap: 4px; }
    #header nav a {
      display: block;
      font-size: .72rem; font-weight: 700; letter-spacing: .18em;
      color: rgba(255,255,255,.82);
      padding: 10px 18px;
      border: 1px solid transparent;
      transition: color .2s, border-color .2s, background .2s;
    }
    #header nav a:hover { color: #fff; border-color: var(--green-vv); }
    #header nav a.is-cta {
      background: var(--green-vv); color: var(--ink);
      margin-left: 12px;
    }
    #header nav a.is-cta:hover { background: #fff; border-color: #fff; }
    .burger {
      display: none; flex-direction: column; gap: 6px;
      cursor: pointer; padding: 8px; background: none; border: 0;
    }
    .burger span { display: block; width: 26px; height: 2px; background: #fff; transition: .3s; }

    :where(a, button, input, select, textarea):focus-visible {
      outline: 3px solid var(--green-vv);
      outline-offset: 3px;
    }

    /* ============ HERO ============ */
    #hero {
      position: relative; min-height: 100vh; min-height: 100svh;
      background: var(--ink);
      display: flex; align-items: flex-end;
      overflow: hidden;
    }
    /* z-index:0 で内部にスタッキングコンテキストを作り、重ね順が外へ漏れないようにする */
    .hero-media { position: absolute; inset: 0; overflow: hidden; z-index: 0; }
    /* 先端加工の工程写真をクロスフェードで切り替える */
    .hero-media img {
      position: absolute; inset: 0;
      width: 100%; height: 100%;
      object-fit: cover; object-position: center 42%;
      filter: brightness(.84);
      opacity: 0;
      transition: opacity 1.2s ease-in-out;
    }
    .hero-media img.on {
      opacity: 1;
      animation: heroDrift 5.5s ease-out forwards;
    }
    @keyframes heroDrift { from { transform: scale(1.02); } to { transform: scale(1.11); } }
    .hero-veil {
      position: absolute; inset: 0;
      z-index: 1;
      background:
        linear-gradient(180deg, rgba(0,0,0,.62) 0%, rgba(0,0,0,.10) 38%, rgba(0,0,0,.55) 100%),
        linear-gradient(90deg, rgba(0,0,0,.66) 0%, rgba(0,0,0,.28) 40%, rgba(0,0,0,.04) 72%, rgba(0,0,0,0) 100%);
    }
    /* 設計図グリッド */
    .hero-grid {
      position: absolute; inset: 0; pointer-events: none;
      z-index: 2;
      background-image:
        repeating-linear-gradient(90deg, transparent 0 119px, rgba(255,255,255,.055) 119px 120px),
        repeating-linear-gradient(0deg,  transparent 0 119px, rgba(255,255,255,.035) 119px 120px);
    }
    .hero-inner {
      position: relative; width: 100%;
      z-index: 3;
      max-width: 1240px; margin: 0 auto;
      padding: 0 40px 88px;
    }
    .hero-tag {
      display: inline-flex; align-items: center; gap: 12px;
      font-size: .72rem; font-weight: 700; letter-spacing: .16em;
      color: #fff; margin-bottom: 30px;
      text-shadow: 0 1px 12px rgba(0,0,0,.9);
      opacity: 0; animation: rise .7s .15s forwards;
    }
    .hero-tag::before {
      content: ''; width: 40px; height: 3px; background: var(--green-vv);
    }
    .hero-title {
      color: #fff; font-weight: 900;
      font-size: clamp(2.5rem, 7.4vw, 6.2rem);
      line-height: 1.12; letter-spacing: -.02em;
      margin-bottom: 30px;
      text-shadow: 0 2px 28px rgba(0,0,0,.65), 0 1px 6px rgba(0,0,0,.5);
    }
    .hero-title span { display: block; opacity: 0; }
    .hero-title span:nth-child(1) { animation: rise .8s .3s forwards; }
    .hero-title span:nth-child(2) { animation: rise .8s .45s forwards; }
    .hero-title em {
      font-style: normal;
      color: var(--green-vv);
    }
    .hero-sub {
      font-size: clamp(.92rem, 1.4vw, 1.06rem);
      color: #fff; line-height: 2.05; font-weight: 500;
      max-width: 640px; margin-bottom: 40px;
      text-shadow: 0 1px 16px rgba(0,0,0,.85), 0 1px 4px rgba(0,0,0,.7);
      opacity: 0; animation: rise .8s .6s forwards;
    }
    .hero-acts { display: flex; flex-wrap: wrap; gap: 14px; opacity: 0; animation: rise .8s .75s forwards; }
    .btn {
      display: inline-flex; align-items: center; gap: 14px;
      padding: 19px 40px;
      font-size: .86rem; font-weight: 800; letter-spacing: .1em;
      border: 2px solid transparent;
      transition: background .25s, color .25s, border-color .25s, gap .25s;
    }
    .btn-fill { background: var(--green-vv); color: var(--ink); }
    .btn-fill:hover { background: #fff; gap: 22px; }
    .btn-line { border-color: rgba(255,255,255,.45); color: #fff; }
    .btn-line:hover { border-color: #fff; background: #fff; color: var(--ink); gap: 22px; }
    .btn::after { content: '→'; font-weight: 700; }
    .hero-since {
      position: absolute; right: 40px; bottom: 0;
      z-index: 3;
      writing-mode: vertical-rl;
      font-family: var(--mono);
      font-size: .7rem; letter-spacing: .34em;
      color: rgba(255,255,255,.5);
      padding-bottom: 130px;
      display: flex; align-items: center; gap: 18px;
    }
    .hero-since::after {
      content: ''; width: 1px; height: 96px;
      background: linear-gradient(to bottom, var(--green-vv), transparent);
    }
    @keyframes rise { from { opacity:0; transform: translateY(26px);} to { opacity:1; transform:none;} }

    /* ============ 帯（スタッツ） ============ */
    .strip {
      background: var(--ink); color: #fff;
      border-top: 1px solid var(--line-dark);
    }
    .strip-in {
      max-width: 1240px; margin: 0 auto; padding: 0 40px;
      display: grid; grid-template-columns: repeat(3, 1fr);
    }
    .strip-cell {
      padding: 44px 0; display: flex; align-items: baseline; gap: 18px;
      border-right: 1px solid var(--line-dark);
      padding-left: 36px;
    }
    .strip-cell:first-child { padding-left: 0; }
    .strip-cell:last-child { border-right: 0; }
    .strip-num {
      font-size: clamp(2.2rem, 4vw, 3.4rem); font-weight: 900;
      letter-spacing: -.04em; line-height: 1; color: var(--green-vv);
    }
    .strip-num sup { font-size: .38em; font-weight: 700; margin-left: 4px; letter-spacing: 0; }
    .strip-txt { font-size: .86rem; color: rgba(255,255,255,.78); line-height: 1.6; }
    .strip-txt b { display: block; color: #fff; font-size: .95rem; font-weight: 700; }

    /* ============ セクション共通 ============ */
    section { position: relative; }
    .sec-pad { padding: 120px 0; }
    .sec-head { display: flex; align-items: flex-start; gap: 32px; margin-bottom: 64px; }
    .sec-no {
      font-family: var(--mono); font-size: .78rem; font-weight: 700;
      letter-spacing: .1em; padding-top: 12px;
      color: var(--green); flex-shrink: 0;
    }
    .sec-en {
      font-size: .74rem; font-weight: 800; letter-spacing: .34em;
      color: var(--green); margin-bottom: 10px;
    }
    .sec-ja {
      font-size: clamp(2rem, 4.6vw, 3.4rem); font-weight: 900;
      letter-spacing: -.02em; line-height: 1.18; color: var(--ink);
    }
    .sec-lead { font-size: 1rem; color: var(--txt-sub); line-height: 2.05; max-width: 640px; margin-top: 20px; }

    /* 黒地セクションの見出し */
    .on-dark { background: var(--ink); color: #fff; }
    .on-dark .sec-en { color: var(--green-vv); }
    .on-dark .sec-no { color: var(--green-vv); }
    .on-dark .sec-ja { color: #fff; }
    .on-dark .sec-lead { color: rgba(255,255,255,.78); }

    .reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
    .reveal.on { opacity: 1; transform: none; }
    .r1 { transition-delay: .06s } .r2 { transition-delay: .12s } .r3 { transition-delay: .18s }

    /* ============ 01 PRODUCT ============ */
    #product { background: var(--paper); }
    .prod {
      border-top: 3px solid var(--ink);
      padding-top: 40px; margin-bottom: 76px;
    }
    .prod:last-child { margin-bottom: 0; }
    .prod-top {
      display: flex; align-items: flex-start; justify-content: space-between;
      gap: 24px; flex-wrap: wrap; margin-bottom: 28px;
    }
    .prod-id { display: flex; align-items: flex-start; gap: 24px; }
    .prod-no {
      font-size: clamp(2.6rem, 5vw, 4rem); font-weight: 900;
      line-height: .85; letter-spacing: -.05em;
      color: var(--ink);
    }
    .prod-name h3 {
      font-size: clamp(1.35rem, 2.6vw, 1.9rem); font-weight: 900;
      color: var(--ink); line-height: 1.3; letter-spacing: -.01em;
    }
    .prod-en {
      font-family: var(--mono); font-size: .7rem; letter-spacing: .18em;
      color: var(--green); margin-top: 8px; font-weight: 600;
    }
    .prod-badge {
      align-self: center;
      background: var(--ink); color: #fff;
      font-size: .78rem; font-weight: 700; letter-spacing: .06em;
      padding: 10px 20px; white-space: nowrap;
    }
    /* 製品写真：白背景切り抜きを大きく */
    .prod-photo {
      background: var(--paper-2);
      border: 1px solid var(--line);
      padding: 22px 32px;
      margin-bottom: 28px;
      overflow: hidden;
    }
    /* 素材写真は上下に大きな余白があるため cover で中央を切り出し、製品を大きく見せる */
    .prod-photo img {
      width: 100%; height: 215px;
      object-fit: cover; object-position: center;
      transition: transform .5s ease;
      mix-blend-mode: multiply;
    }
    .prod:hover .prod-photo img { transform: scale(1.05); }
    /* 実写を使うカード：切り抜き用の余白と乗算合成を解除し、枠いっぱいに見せる */
    .prod-photo.is-photo { padding: 0; background: var(--ink); border-color: var(--ink); }
    .prod-photo.is-photo img {
      height: 300px; mix-blend-mode: normal;
      object-position: center 58%;
      filter: contrast(1.06) saturate(.92);
    }
    .prod-body { display: grid; grid-template-columns: 1fr 1.15fr; gap: 48px; align-items: start; }
    .prod-desc { font-size: .98rem; line-height: 2.1; color: var(--txt); }
    .prod-note {
      margin-top: 18px; padding-left: 16px;
      border-left: 3px solid var(--green-vv);
      font-size: .88rem; color: var(--txt-sub); line-height: 1.8;
    }
    /* 規格表 */
    .spec-label {
      font-size: .74rem; font-weight: 800; letter-spacing: .2em;
      color: var(--ink); margin-bottom: 14px;
      padding-bottom: 10px; border-bottom: 2px solid var(--ink);
      display: flex; justify-content: space-between; align-items: baseline;
    }
    .spec-label small { font-weight: 600; letter-spacing: .04em; color: var(--txt-sub); font-size: .72rem; }
    .spec-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); }
    .spec-grid + .spec-label { margin-top: 24px; }
    .spec-grid.c4 { grid-template-columns: repeat(4, 1fr); }
    .spec-cell {
      background: var(--paper); padding: 18px 10px; text-align: center;
      font-family: var(--mono); font-size: .94rem; font-weight: 600;
      color: var(--ink); letter-spacing: .01em;
      transition: background .2s, color .2s;
    }
    .spec-cell:hover { background: var(--ink); color: var(--green-vv); }
    .spec-cell.is-word { font-family: var(--sans); font-weight: 700; font-size: .9rem; }

    /* ============ 在庫バンド ============ */
    .band { position: relative; height: 460px; overflow: hidden; background: var(--ink); }
    .band > img {
      width: 100%; height: 100%; object-fit: cover; object-position: center 45%;
      filter: brightness(.58);
    }
    .band::after {
      content: ''; position: absolute; inset: 0; pointer-events: none;
      background: linear-gradient(90deg, rgba(0,0,0,.78) 0%, rgba(0,0,0,.45) 42%, rgba(0,0,0,.05) 78%, rgba(0,0,0,0) 100%);
    }
    .band-in {
      position: absolute; inset: 0; display: flex; align-items: center; z-index: 2;
    }
    .band-txt { max-width: 1240px; margin: 0 auto; padding: 0 40px; width: 100%; }
    .band-lead {
      font-size: clamp(1.5rem, 3.4vw, 2.6rem); font-weight: 900;
      color: #fff; line-height: 1.45; letter-spacing: -.01em;
      max-width: 620px;
      text-shadow: 0 2px 20px rgba(0,0,0,.8), 0 1px 5px rgba(0,0,0,.6);
    }
    .band-lead em { font-style: normal; color: var(--green-vv); }
    .band-sub {
      margin-top: 22px; font-size: .95rem; color: #fff; font-weight: 500;
      line-height: 2; max-width: 540px;
      border-left: 3px solid var(--green-vv); padding-left: 18px;
      text-shadow: 0 1px 14px rgba(0,0,0,.9), 0 1px 4px rgba(0,0,0,.8);
    }

    /* ============ 02 PHILOSOPHY ============ */
    #philosophy { overflow: hidden; }
    .phil-quote {
      border-left: 4px solid var(--green-vv);
      padding: 24px 0 24px 32px;
      margin-bottom: 72px;
      max-width: 780px;
    }
    .phil-quote p {
      font-size: clamp(1.05rem, 2vw, 1.35rem); font-weight: 700;
      color: #fff; line-height: 1.95; letter-spacing: -.005em;
    }
    .phil-list { border-top: 1px solid var(--line-dark); }
    .phil-row {
      display: grid; grid-template-columns: 92px 1fr 1.5fr;
      gap: 32px; align-items: baseline;
      padding: 34px 0;
      border-bottom: 1px solid var(--line-dark);
      transition: background .3s, padding .3s;
    }
    .phil-row:hover { background: rgba(61,220,132,.06); }
    .phil-n {
      font-size: 1.5rem; font-weight: 900; letter-spacing: -.03em;
      color: var(--green-vv); line-height: 1;
    }
    .phil-row h3 { font-size: 1.14rem; font-weight: 800; color: #fff; line-height: 1.6; }
    .phil-row p { font-size: .92rem; color: rgba(255,255,255,.75); line-height: 2; }

    /* ============ 03 ABOUT ============ */
    #about { background: var(--paper); }
    .about-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 72px; align-items: start; }
    .about-tbl { width: 100%; border-collapse: collapse; border-top: 2px solid var(--ink); }
    .about-tbl tr { border-bottom: 1px solid var(--line); }
    .about-tbl th {
      width: 32%; text-align: left; vertical-align: top;
      padding: 18px 16px 18px 0;
      font-size: .82rem; font-weight: 800; color: var(--green); letter-spacing: .04em;
    }
    .about-tbl td { padding: 18px 0; font-size: .96rem; color: var(--ink); line-height: 1.8; }
    .msg { border: 2px solid var(--ink); }
    .msg-img { width: 100%; height: 380px; object-fit: cover; object-position: center 40%; display: block; }
    .msg-body { padding: 32px; }
    .msg-tag {
      font-family: var(--mono); font-size: .68rem; letter-spacing: .22em;
      color: var(--green); font-weight: 700; margin-bottom: 18px; display: block;
    }
    .msg-body p { font-size: .93rem; line-height: 2.1; color: var(--txt); }
    .msg-sign {
      margin-top: 24px; padding-top: 18px; border-top: 1px solid var(--line);
      text-align: right; font-size: .8rem; color: var(--txt-sub);
    }
    .msg-sign strong { display: block; font-size: 1.15rem; color: var(--ink); font-weight: 800; margin-top: 6px; letter-spacing: .06em; }

    /* ============ 04 EQUIPMENT ============ */
    #equipment { position: relative; background: var(--ink); color: #fff; overflow: hidden; }
    .eq-bg { position: absolute; inset: 0; }
    .eq-bg img {
      width: 100%; height: 100%; object-fit: cover; object-position: center 35%;
      filter: grayscale(.55) contrast(1.1) brightness(.42);
    }
    .eq-bg::after {
      content: ''; position: absolute; inset: 0;
      background: linear-gradient(90deg, rgba(10,12,11,.95) 0%, rgba(10,12,11,.72) 55%, rgba(10,12,11,.5) 100%);
    }
    .eq-in { position: relative; }
    .eq-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line-dark); border: 1px solid var(--line-dark); }
    .eq-cell {
      background: rgba(10,12,11,.72); padding: 34px 28px;
      display: flex; align-items: baseline; gap: 16px;
      transition: background .3s;
    }
    .eq-cell:hover { background: rgba(61,220,132,.1); }
    .eq-n { font-size: 2.6rem; font-weight: 900; letter-spacing: -.04em; line-height: 1; color: var(--green-vv); }
    .eq-n sup { font-size: .34em; font-weight: 700; margin-left: 3px; }
    .eq-name { font-size: .95rem; color: rgba(255,255,255,.9); font-weight: 600; }

    /* ============ 05 SDGs ============ */
    #sdgs { background: var(--paper-2); }
    .sdgs-grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: 72px; align-items: start; }
    .cert-row { display: flex; flex-direction: column; gap: 12px; margin-top: 30px; }
    .cert {
      display: flex; align-items: center; gap: 14px;
      background: var(--paper); border: 2px solid var(--ink);
      padding: 14px 20px;
    }
    .cert img { width: 34px; height: 34px; object-fit: contain; flex-shrink: 0; }
    .cert-t { font-size: .9rem; font-weight: 800; color: var(--ink); line-height: 1.4; }
    .cert-n { font-family: var(--mono); font-size: .74rem; color: var(--txt-sub); margin-top: 2px; }
    .more {
      display: inline-flex; align-items: center; gap: 10px; margin-top: 26px;
      font-size: .84rem; font-weight: 800; color: var(--ink);
      border-bottom: 2px solid var(--green-vv); padding-bottom: 4px;
      transition: gap .25s;
    }
    .more:hover { gap: 18px; }
    .goals { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); }
    .goal { background: var(--paper); padding: 32px 28px; transition: background .3s; }
    .goal:hover { background: var(--ink); }
    .goal:hover .goal-n { color: var(--green-vv); }
    .goal:hover h4 { color: #fff; }
    .goal:hover p { color: rgba(255,255,255,.78); }
    .goal-n {
      font-family: var(--mono); font-size: .7rem; font-weight: 700;
      letter-spacing: .16em; color: var(--green); margin-bottom: 12px;
      transition: color .3s;
    }
    .goal h4 { font-size: 1.02rem; font-weight: 800; color: var(--ink); margin-bottom: 10px; line-height: 1.5; transition: color .3s; }
    .goal p { font-size: .87rem; color: var(--txt-sub); line-height: 1.95; transition: color .3s; }

    /* ============ 06 HISTORY ============ */
    #history { background: var(--paper); }
    .hist { border-top: 2px solid var(--ink); }
    .hist-row {
      display: grid; grid-template-columns: 220px 1fr;
      gap: 40px; align-items: baseline;
      padding: 30px 0; border-bottom: 1px solid var(--line);
      transition: background .25s, padding-left .25s;
    }
    .hist-row:hover { background: var(--paper-2); padding-left: 16px; }
    .hist-y {
      font-family: var(--mono); font-weight: 700;
      font-size: 1.05rem; color: var(--ink); letter-spacing: .02em;
      display: flex; align-items: baseline; gap: 12px;
    }
    .hist-y::before { content: ''; width: 22px; height: 3px; background: var(--green-vv); flex-shrink: 0; }
    .hist-d { font-size: .97rem; color: var(--txt); line-height: 1.9; }

    /* ============ 07 FAQ ============ */
    #faq { background: var(--paper-2); }
    .faq-list { border-top: 2px solid var(--ink); max-width: 900px; }
    .faq-item { border-bottom: 1px solid var(--line); padding: 26px 0; }
    /* Q/A の記号は絶対配置にして、本文は通常どおり折り返させる */
    .faq-q, .faq-a { position: relative; padding-left: 30px; }
    .faq-q {
      font-size: 1.05rem; font-weight: 800; color: var(--ink); line-height: 1.7;
    }
    .faq-q::before {
      content: 'Q'; position: absolute; left: 0; top: 0;
      font-family: var(--mono); font-size: .95rem; font-weight: 700; color: var(--green);
    }
    .faq-a {
      margin-top: 12px; font-size: .95rem; color: var(--txt-sub); line-height: 2.05;
    }
    .faq-a::before {
      content: 'A'; position: absolute; left: 0; top: 0;
      font-family: var(--mono); font-size: .95rem; font-weight: 700; color: #9aa5a1;
    }
    .faq-a code {
      display: inline-block;
      font-family: var(--mono); font-size: .9em; color: var(--ink);
      background: var(--paper); padding: 2px 8px; border: 1px solid var(--line);
      margin: 2px 0;
    }

    /* ============ 08 CONTACT ============ */
    #contact { background: var(--ink); color: #fff; }
    .ct-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: start; }
    .ct-tel {
      display: block; margin-bottom: 8px;
      font-size: clamp(2.2rem, 5.4vw, 3.9rem); font-weight: 900;
      letter-spacing: -.02em; line-height: 1.05; color: #fff;
      transition: color .25s;
    }
    .ct-tel:hover { color: var(--green-vv); }
    .ct-lbl { font-family: var(--mono); font-size: .72rem; letter-spacing: .22em; color: var(--green-vv); font-weight: 700; margin-bottom: 12px; }
    .ct-hours { font-size: .9rem; color: rgba(255,255,255,.7); margin-bottom: 34px; }
    .ct-info { border-top: 1px solid var(--line-dark); }
    .ct-item {
      display: grid; grid-template-columns: 110px 1fr; gap: 20px;
      padding: 20px 0; border-bottom: 1px solid var(--line-dark);
      align-items: baseline;
    }
    .ct-item dt { font-size: .74rem; font-weight: 800; letter-spacing: .18em; color: var(--green-vv); }
    .ct-item dd { font-size: .96rem; color: #fff; line-height: 1.8; }

    /* ============ MAP ============ */
    #map { display: block; width: 100%; height: 340px; border: 0; filter: grayscale(.85) contrast(1.05); }

    /* ============ FOOTER ============ */
    footer { background: var(--ink-2); color: #fff; padding: 72px 0 28px; border-top: 1px solid var(--line-dark); }
    .ft-grid { display: grid; grid-template-columns: 1.7fr 1fr 1fr; gap: 56px; margin-bottom: 52px; }
    .ft-logo img {
      height: 38px; margin-bottom: 22px;
      filter: drop-shadow(0 1px 3px rgba(0,0,0,.5));
    }
    .ft-addr { font-size: .85rem; color: rgba(255,255,255,.6); line-height: 2.1; }
    footer h4 { font-size: .7rem; font-weight: 800; letter-spacing: .26em; color: var(--green-vv); margin-bottom: 20px; }
    footer li { margin-bottom: 12px; }
    footer li a { font-size: .88rem; color: rgba(255,255,255,.65); transition: color .2s, padding-left .2s; }
    footer li a:hover { color: #fff; padding-left: 6px; }
    .ft-btm {
      border-top: 1px solid var(--line-dark); padding-top: 24px;
      display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
      font-size: .74rem; color: rgba(255,255,255,.38);
      font-family: var(--mono); letter-spacing: .04em;
    }

    /* ============ RESPONSIVE ============ */
    @media (max-width: 1000px) {
      .prod-body { grid-template-columns: 1fr; gap: 32px; }
      .about-grid, .sdgs-grid, .ct-grid { grid-template-columns: 1fr; gap: 44px; }
      .eq-grid { grid-template-columns: 1fr 1fr; }
      .phil-row { grid-template-columns: 60px 1fr; gap: 20px 24px; }
      .phil-row p { grid-column: 2; }
      .strip-in { grid-template-columns: 1fr; }
      .strip-cell { border-right: 0; border-bottom: 1px solid var(--line-dark); padding: 28px 0 !important; }
      .strip-cell:last-child { border-bottom: 0; }
      .ft-grid { grid-template-columns: 1fr; gap: 36px; }
    }

    @media (max-width: 820px) {
      :root { --nav-h: 58px; }
      #header { padding: 0 20px; }
      #header nav {
        display: none;
        position: fixed; top: var(--nav-h); left: 0; right: 0;
        background: var(--ink); border-bottom: 1px solid var(--line-dark);
        padding: 20px;
      }
      #header nav.open { display: block; }
      #header nav ul { flex-direction: column; align-items: stretch; gap: 2px; }
      #header nav a { padding: 15px 12px; font-size: .85rem; letter-spacing: .1em; }
      #header nav a.is-cta { margin: 10px 0 0; text-align: center; }
      .burger { display: flex; }
      .wrap, .hero-inner, .strip-in { padding-left: 20px; padding-right: 20px; }
      .sec-pad { padding: 76px 0; }
      .sec-head { gap: 16px; margin-bottom: 44px; }
      /* 内容が長いスマホでは下揃えを解除し、固定ヘッダーの下へ潜り込ませない */
      #hero { display: block; min-height: 100svh; }
      .hero-inner { padding-top: calc(var(--nav-h) + 64px); padding-bottom: 64px; }
      .hero-since { display: none; }
      .hero-acts .btn { flex: 1 1 100%; justify-content: center; padding: 17px 24px; }
      .goals { grid-template-columns: 1fr; }
      .eq-grid { grid-template-columns: 1fr; }
      .hist-row { grid-template-columns: 1fr; gap: 10px; padding: 24px 0; }
      .spec-grid, .spec-grid.c4 { grid-template-columns: repeat(2, 1fr); }
      .prod-photo { padding: 16px; }
      .prod-photo img { height: 145px; }
      /* 横長の製品を切らず、写真全体を表示する */
      .prod-photo.is-photo img { width: 100%; height: auto; object-fit: contain; }
      .prod-top { gap: 16px; }
      .prod-badge { align-self: flex-start; font-size: .74rem; padding: 8px 14px; }
      .msg-body { padding: 24px; }
      .about-tbl th { width: 34%; font-size: .78rem; }
      .about-tbl td { font-size: .9rem; }
      #map { height: 260px; }
    }

    @media (max-width: 480px) {
      .prod-id { gap: 14px; }
      .spec-cell { padding: 15px 6px; font-size: .86rem; }
      .ft-btm { flex-direction: column; gap: 8px; }
    }

    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
      .reveal { opacity: 1; transform: none; }
      .hero-tag, .hero-title span, .hero-sub, .hero-acts { opacity: 1 !important; }
    }

/* ============================================================
   下位ページ用（catalog / about / sdgs / contact）
   ============================================================ */

/* ページ見出しバナー */
.page-head {
  position: relative; background: var(--ink); overflow: hidden;
  padding: calc(var(--nav-h) + 78px) 0 62px;
}
.page-head-bg { position: absolute; inset: 0; z-index: 0; }
.page-head-bg img {
  width: 100%; height: 100%; object-fit: cover; object-position: center 45%;
  filter: brightness(.42);
}
.page-head-bg::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(0,0,0,.82) 0%, rgba(0,0,0,.5) 55%, rgba(0,0,0,.2) 100%);
}
.page-head .wrap { position: relative; z-index: 1; }
.page-head-en {
  font-size: .72rem; font-weight: 800; letter-spacing: .34em;
  color: var(--green-vv); margin-bottom: 12px;
}
.page-head-ja {
  font-size: clamp(2rem, 4.6vw, 3.2rem); font-weight: 900;
  color: #fff; letter-spacing: -.02em; line-height: 1.2;
  text-shadow: 0 2px 18px rgba(0,0,0,.6);
}
.page-head-lead {
  margin-top: 18px; font-size: .97rem; color: rgba(255,255,255,.85);
  line-height: 2; max-width: 620px;
  text-shadow: 0 1px 10px rgba(0,0,0,.8);
}

/* パンくず */
.crumb {
  background: var(--paper-2); border-bottom: 1px solid var(--line);
  font-size: .76rem; color: var(--txt-sub);
}
.crumb .wrap { display: flex; gap: 10px; align-items: center; padding-top: 14px; padding-bottom: 14px; flex-wrap: wrap; }
.crumb a { color: var(--green); font-weight: 600; }
.crumb a:hover { text-decoration: underline; }
.crumb span[aria-current] { color: var(--txt); font-weight: 600; }
.crumb .sep { color: #b9c2be; }

/* 下位ページ共通のブロック */
.block { padding: 92px 0; }
.block + .block { border-top: 1px solid var(--line); }
.block.on-dark + .block.on-dark { border-top-color: var(--line-dark); }

/* 2カラム（本文＋補足） */
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }

/* 定義リスト型の仕様表 */
.spec-table { width: 100%; border-collapse: collapse; border-top: 2px solid var(--ink); }
.spec-table tr { border-bottom: 1px solid var(--line); }
.spec-table th {
  width: 30%; text-align: left; vertical-align: top; padding: 16px 16px 16px 0;
  font-size: .82rem; font-weight: 800; color: var(--green); letter-spacing: .04em;
}
.spec-table td { padding: 16px 0; font-size: .95rem; color: var(--ink); line-height: 1.9; }

/* 前後ページの導線 */
.pager { background: var(--paper-2); border-top: 1px solid var(--line); }
.pager .wrap { display: flex; gap: 16px; flex-wrap: wrap; padding-top: 40px; padding-bottom: 40px; }
.pager a {
  flex: 1 1 220px; border: 2px solid var(--ink); padding: 20px 24px;
  font-weight: 800; font-size: .92rem; color: var(--ink);
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  transition: background .25s, color .25s;
}
.pager a:hover { background: var(--ink); color: #fff; }
.pager a::after { content: '→'; }

@media (max-width: 1000px) {
  .cols { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 820px) {
  .page-head { padding: calc(var(--nav-h) + 52px) 0 44px; }
  .block { padding: 60px 0; }
  .spec-table th { width: 34%; font-size: .78rem; }
  .spec-table td { font-size: .9rem; }
}

/* 会社概要ページ */
.about-photo {
  width: 100%; height: 360px; object-fit: cover;
  border: 2px solid var(--ink); display: block;
}
.msg-lead { font-size: .97rem; line-height: 2.15; color: var(--txt); margin-bottom: 22px; }
.msg-lead:last-of-type { margin-bottom: 0; }
.msg-sign-page {
  margin-top: 30px; padding-top: 18px; border-top: 1px solid var(--line);
  text-align: right; font-size: .82rem; color: var(--txt-sub);
}
.msg-sign-page strong {
  display: block; font-size: 1.2rem; color: var(--ink);
  font-weight: 800; margin-top: 6px; letter-spacing: .08em;
}

/* 黒地の沿革 */
.hist-dark { border-top-color: var(--green-vv); }
.hist-dark .hist-row { border-bottom-color: var(--line-dark); }
.hist-dark .hist-row:hover { background: rgba(61,220,132,.06); }
.hist-dark .hist-y { color: #fff; }
.hist-dark .hist-d { color: rgba(255,255,255,.82); }

/* 経営理念 */
.creed {
  border-left: 4px solid var(--green); padding: 22px 0 22px 30px;
  margin-bottom: 56px; max-width: 840px;
}
.creed p {
  font-size: clamp(1.05rem, 2vw, 1.3rem); font-weight: 700;
  color: var(--ink); line-height: 1.95;
}
.policy-list { border-top: 2px solid var(--ink); }
.policy-row {
  display: grid; grid-template-columns: 76px 1fr 1.5fr; gap: 28px;
  align-items: baseline; padding: 30px 0; border-bottom: 1px solid var(--line);
  transition: background .25s;
}
.policy-row:hover { background: var(--paper-2); }
.policy-n {
  font-size: 1.4rem; font-weight: 900; color: var(--green);
  letter-spacing: -.03em; line-height: 1;
}
.policy-row h3 { font-size: 1.08rem; font-weight: 800; color: var(--ink); line-height: 1.6; }
.policy-row p { font-size: .92rem; color: var(--txt-sub); line-height: 2; }

@media (max-width: 1000px) {
  .policy-row { grid-template-columns: 56px 1fr; gap: 16px 20px; }
  .policy-row p { grid-column: 2; }
  .about-photo { height: 260px; }
}

/* ============ 製品カタログ ============ */
.btn-dark { background: var(--ink); color: #fff; margin-top: 24px; }
.btn-dark:hover { background: var(--green); gap: 22px; }

/* ============ SDGs ============ */
.cert-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.cert-card {
  display: flex; gap: 20px; align-items: flex-start;
  border: 2px solid var(--ink); background: var(--paper); padding: 26px 24px;
}
.cert-card img { width: 52px; height: 52px; object-fit: contain; flex-shrink: 0; }
.cert-card .cert-t { font-size: 1rem; font-weight: 800; color: var(--ink); line-height: 1.5; }
.cert-card .cert-n {
  font-family: var(--mono); font-size: .78rem; color: var(--green);
  font-weight: 700; margin-top: 6px;
}
.cert-card p { font-size: .88rem; color: var(--txt-sub); line-height: 1.9; margin-top: 10px; }

/* SDGs 重点目標（白背景が基準） */
.goal-list { border-top: 2px solid var(--ink); }
.goal-block {
  display: grid; grid-template-columns: 130px 1fr; gap: 32px;
  padding: 36px 0; border-bottom: 1px solid var(--line);
  transition: background .3s;
}
.goal-block:hover { background: var(--paper-2); }
.goal-num {
  font-family: var(--mono); font-size: .9rem; font-weight: 700;
  letter-spacing: .12em; color: var(--green); padding-top: 4px;
}
.goal-block h3 { font-size: 1.15rem; font-weight: 800; color: var(--ink); margin-bottom: 14px; line-height: 1.5; }
.goal-block p { font-size: .93rem; color: var(--txt-sub); line-height: 2.05; }
.goal-tag {
  display: inline-block; margin-top: 16px; font-size: .76rem; font-weight: 700;
  color: var(--green); border: 1px solid rgba(31,92,55,.4); padding: 6px 14px;
}
/* 黒地セクション内で使う場合 */
.on-dark .goal-list { border-top-color: var(--green-vv); }
.on-dark .goal-block { border-bottom-color: var(--line-dark); }
.on-dark .goal-block:hover { background: rgba(61,220,132,.06); }
.on-dark .goal-num { color: var(--green-vv); }
.on-dark .goal-block h3 { color: #fff; }
.on-dark .goal-block p { color: rgba(255,255,255,.78); }
.on-dark .goal-tag { color: var(--green-vv); border-color: rgba(61,220,132,.45); }

/* SDGs 宣言証（実物を掲載し、クリックで拡大） */
.cert-doc { background: var(--paper); border: 2px solid var(--ink); }
.cert-doc a { display: block; position: relative; background: var(--paper-2); overflow: hidden; }
.cert-doc img {
  width: 100%; height: 420px; object-fit: contain; object-position: center;
  padding: 18px; transition: transform .4s;
}
.cert-doc a:hover img { transform: scale(1.03); }
.cert-zoom {
  position: absolute; right: 12px; bottom: 12px;
  background: rgba(10,12,11,.82); color: #fff;
  font-size: .7rem; font-weight: 700; letter-spacing: .06em;
  padding: 6px 12px; opacity: 0; transition: opacity .25s;
}
.cert-doc a:hover .cert-zoom { opacity: 1; }
.cert-doc figcaption { padding: 22px 24px; border-top: 2px solid var(--ink); }
.cert-doc .cert-t { font-size: 1rem; font-weight: 800; color: var(--ink); line-height: 1.5; }
.cert-doc .cert-n { font-family: var(--mono); font-size: .8rem; color: var(--green); font-weight: 700; margin-top: 6px; }
.cert-doc figcaption p { font-size: .87rem; color: var(--txt-sub); line-height: 1.9; margin-top: 10px; }

@media (max-width: 820px) {
  .cert-doc img { height: 300px; padding: 12px; }
  .cert-zoom { opacity: 1; }
}

/* ============ お問い合わせフォーム ============ */
.form { max-width: 760px; }
.form-row { margin-bottom: 26px; }
.form-row label {
  display: block; font-size: .86rem; font-weight: 800;
  color: var(--ink); margin-bottom: 10px;
}
.req, .opt {
  display: inline-block; font-size: .68rem; font-weight: 700;
  padding: 3px 8px; margin-left: 8px; vertical-align: middle;
}
.req { background: var(--ink); color: #fff; }
.opt { background: var(--paper-2); color: var(--txt-sub); border: 1px solid var(--line); }
.form input, .form select, .form textarea {
  width: 100%; font: inherit; font-size: .95rem; color: var(--ink);
  background: var(--paper); border: 2px solid var(--line);
  padding: 14px 16px; border-radius: 0;
  transition: border-color .2s;
}
.form input:focus, .form select:focus, .form textarea:focus {
  outline: none; border-color: var(--green);
}
.form textarea { resize: vertical; line-height: 1.8; }
.form-submit { border: 0; cursor: pointer; font-family: inherit; }
.form-status {
  max-width: 760px; margin: 0 0 28px; padding: 18px 20px;
  border-left: 5px solid var(--green); background: #eaf7ef;
  color: var(--ink); font-size: .92rem; font-weight: 700; line-height: 1.8;
}
.form-status.is-error { border-left-color: #b42318; background: #fff0ee; }
.form-hp { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }
.form-consent {
  display: flex; align-items: flex-start; gap: 12px;
  margin: 4px 0 26px; font-size: .86rem; color: var(--txt); line-height: 1.8;
}
.form-consent input { width: 20px; height: 20px; margin-top: 4px; flex: 0 0 auto; accent-color: var(--green); }
.form-consent a, .form-privacy a { color: var(--green); text-decoration: underline; text-underline-offset: 3px; }
.form-privacy {
  margin-top: 20px; font-size: .8rem; color: var(--txt-sub); line-height: 1.9;
}

/* ============ プライバシーポリシー ============ */
.privacy-content { max-width: 900px; }
.privacy-content section { padding: 34px 0; border-top: 1px solid var(--line); }
.privacy-content section:first-child { border-top: 3px solid var(--ink); }
.privacy-content h2 { margin-bottom: 14px; color: var(--ink); font-size: 1.35rem; line-height: 1.5; }
.privacy-content p, .privacy-content li { color: var(--txt); font-size: .95rem; line-height: 2; }
.privacy-content ul { margin-top: 10px; padding-left: 1.3em; list-style: disc; }
.privacy-updated { margin-top: 34px; color: var(--txt-sub); font-size: .84rem; }

@media (max-width: 820px) {
  .cert-grid { grid-template-columns: 1fr; }
  .goal-block { grid-template-columns: 1fr; gap: 14px; padding: 28px 0; }
  .cert-card { padding: 20px 18px; gap: 14px; }
}

/* ============ スマートフォン微調整 ============ */
@media (max-width: 480px) {
  /* 「一本一本の品質が、」が途中で折り返さない大きさに */
  .hero-title { font-size: 2.05rem; line-height: 1.25; }
  .hero-tag { font-size: .68rem; letter-spacing: .08em; }
  .hero-sub { font-size: .88rem; line-height: 1.95; }
  .page-head-ja { font-size: 1.85rem; }
  .page-head-lead { font-size: .89rem; line-height: 1.95; }
  .sec-ja { font-size: 1.65rem; }
  .band-lead { font-size: 1.32rem; }
  .ct-tel { font-size: 2rem; }
  .prod-no { font-size: 2.2rem; }
  .prod-name h2, .prod-name h3 { font-size: 1.15rem; }
  .faq-q { font-size: .98rem; }
  .crumb .wrap { font-size: .74rem; }
}

/* ============ ヘッダーメニュー：日本語＋英字の2段 ============ */
#header nav a {
  display: flex; flex-direction: column; gap: 3px;
  padding: 8px 16px; text-align: center;
}
.nav-ja {
  font-size: .82rem; font-weight: 700; letter-spacing: .04em;
  line-height: 1.3; white-space: nowrap;
}
.nav-en {
  font-size: .54rem; font-weight: 700; letter-spacing: .16em;
  line-height: 1.2; color: var(--green-vv); opacity: .85;
}
#header nav a:hover .nav-en { opacity: 1; }
#header nav a.is-cta .nav-en { color: rgba(10,12,11,.65); }
#header nav a.is-cta:hover .nav-en { color: rgba(10,12,11,.8); }

@media (max-width: 820px) {
  /* スマホでは英字を省き、日本語だけを大きく */
  #header nav a { flex-direction: row; text-align: left; padding: 15px 12px; }
  .nav-ja { font-size: .95rem; }
  .nav-en { display: none; }
}

/* ============ ごあいさつ（全文掲載） ============ */
.about-photo.wide { height: 560px; }
.msg-body-page { max-width: 880px; margin: 48px auto 0; }
.msg-body-page .msg-lead { margin-bottom: 20px; }
.msg-creed {
  margin: 26px 0; padding: 22px 28px;
  border-left: 4px solid var(--green);
  background: var(--paper-2);
  /* 本文と同じ字送り・太さに揃える */
  font-size: .97rem; font-weight: 400;
  color: var(--txt); line-height: 2.15;
}
.msg-body-page .msg-sign-page { margin-top: 44px; }

@media (max-width: 820px) {
  .about-photo.wide { height: 320px; }
  .msg-body-page { margin-top: 32px; }
  .msg-creed { padding: 20px 22px; margin: 24px 0; }
}

/* トップ：ごあいさつ全文への導線 */
.msg-more {
  display: inline-block; margin-top: 18px;
  font-size: .84rem; font-weight: 800; color: var(--green);
  border-bottom: 2px solid var(--green-vv); padding-bottom: 3px;
  transition: color .2s;
}
.msg-more:hover { color: var(--ink); }

/* ============================================================
   下位ページで .on-dark を使うときの上書き
   トップ用の #history / #product などID指定（白背景）の方が
   優先度が高く、黒背景が効かなくなるため明示的に指定する
   ============================================================ */
#history.on-dark,
#product.on-dark,
#about.on-dark,
#sdgs.on-dark,
#company.on-dark,
#message.on-dark,
#goals.on-dark,
#actions.on-dark,
#declaration.on-dark { background: var(--ink); color: #fff; }

/* ============ 規格セル：寸法＋鋼種の2段表示 ============ */
.spec-cell { line-height: 1.4; }
.spec-cell .spec-size { display: block; }
.spec-cell .spec-mat {
  display: block; margin-top: 5px;
  font-size: .72rem; font-weight: 700; letter-spacing: .04em;
  color: var(--green);
}
.spec-cell:hover .spec-mat { color: var(--green-vv); }
.spec-note-mat {
  margin-top: 14px; font-size: .8rem; color: var(--txt-sub); line-height: 1.85;
}
.spec-note-mat b { color: var(--ink); font-weight: 700; }

/* FAQ一覧ページへの導線（トップ） */
.faq-more-btn { margin-top: 34px; }

@media (max-width: 820px) {
  .msg-img { height: 300px; }
}

/* ============ 写真バンド（3枚並び） ============ */
.photo-band {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 2px; background: var(--ink);
}
.photo-band figure { position: relative; overflow: hidden; margin: 0; background: var(--ink); }
.photo-band img {
  width: 100%; height: 340px; object-fit: cover; display: block;
  filter: brightness(.88);
  transition: transform .5s ease, filter .4s;
}
.photo-band figure:hover img { transform: scale(1.04); filter: brightness(1); }
.photo-band figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 34px 22px 16px;
  background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,.8) 100%);
  color: #fff; font-size: .82rem; font-weight: 700; letter-spacing: .02em;
  text-shadow: 0 1px 8px rgba(0,0,0,.7);
}

@media (max-width: 820px) {
  .photo-band { grid-template-columns: 1fr; }
  .photo-band img { height: 240px; }
}

/* ============ 製造工程ページ ============ */
.step-list { margin-top: 56px; }
.step {
  display: grid; grid-template-columns: 1fr 1fr;
  align-items: stretch;
  border-top: 1px solid var(--line);
}
.step:last-child { border-bottom: 1px solid var(--line); }
/* 偶数番目は写真を右に置いて左右交互にする */
.step:nth-child(even) .step-photo { order: 2; }
.step-photo { overflow: hidden; background: var(--ink); }
.step-photo img {
  /* 説明文の量にかかわらず全工程で同じ高さに揃える */
  width: 100%; height: 460px;
  object-fit: cover; object-position: center; display: block;
  filter: brightness(.94);
  transition: transform .6s ease, filter .4s;
}
.step:hover .step-photo img { transform: scale(1.04); filter: brightness(1); }
.step-body {
  padding: 56px 60px; min-height: 460px;
  display: flex; flex-direction: column; justify-content: center;
}
.step-no {
  font-family: var(--mono); font-size: 2.6rem; font-weight: 900;
  color: var(--green-vv); line-height: 1; letter-spacing: -.04em;
  margin-bottom: 18px;
}
.step-body h3 {
  font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 900;
  color: var(--ink); letter-spacing: -.02em; line-height: 1.3;
}
.step-en {
  font-family: var(--mono); font-size: .72rem; font-weight: 700;
  letter-spacing: .2em; color: var(--green); margin-top: 8px;
}
.step-text {
  margin-top: 22px; font-size: .97rem; color: var(--txt);
  line-height: 2.1; max-width: 460px;
}
.step-equip {
  margin-top: 24px; padding-top: 16px;
  border-top: 2px solid var(--ink);
  font-size: .84rem; color: var(--txt-sub); letter-spacing: .02em;
  max-width: 460px;
}
.step-equip b { color: var(--ink); font-weight: 800; }

@media (max-width: 1000px) {
  .step { grid-template-columns: 1fr; }
  .step:nth-child(even) .step-photo { order: 0; }
  .step-photo img { min-height: 260px; height: 260px; }
  .step-body { padding: 40px 24px 48px; }
  .step-no { font-size: 2rem; margin-bottom: 12px; }
  .step-text, .step-equip { max-width: none; }
}