*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { font-size:16px; scroll-behavior: smooth; }

    :root {
      --ink:      #1A1A1A;
      --paper:    #FAFAF8;
      --accent:   #8A9C1A;
      --stone:    #F0F0EB;
      --muted:    #888;
      --rule-w:   1.5px;
      --hdr-h:    92px;
      --left-col: 160px;
    }

    body {
      background: var(--paper);
      color: var(--ink);
      font-family: 'Noto Sans JP', sans-serif;
      overflow-x: hidden;
    }

    /* ─── TICKER ─── */
    .ticker {
      position: fixed; top: 0; left: 0; right: 0; z-index: 200;
      height: 36px; background: var(--accent);
      border-bottom: var(--rule-w) solid var(--ink);
      overflow: hidden; display: flex; align-items: center;
    }
    .ticker__track {
      display: inline-flex; white-space: nowrap;
      animation: ticker-anim 24s linear infinite;
    }
    .ticker__item { font-size:12px; font-weight: 700; letter-spacing: 0.16em; color: #fff; }
    .ticker__sep { display: inline-block; margin: 0 20px; color: rgba(255,255,255,0.4); }
    @keyframes ticker-anim { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

    /* ─── HEADER ─── */
    .header {
      position: fixed; top: 36px; left: 0; right: 0; z-index: 100;
      background: var(--paper); border-bottom: var(--rule-w) solid var(--ink);
    }
    .header__inner { display: flex; align-items: stretch; height: 56px; }
    .header__logo-wrap {
      display: flex; align-items: center; padding: 0 32px;
      width: var(--left-col); flex-shrink: 0;
      border-right: var(--rule-w) solid var(--ink);
    }
    .header__logo { display: flex; align-items: center; text-decoration: none; }
    .header__logo img { height: 26px; width: auto; display: block; }
    .header__nav { display: flex; align-items: center; margin-left: auto; }
    .header__nav-link {
      display: flex; align-items: center; height: 100%; padding: 0 24px;
      font-size:12px; font-weight: 700; letter-spacing: 0.1em;
      text-decoration: none; color: var(--ink);
      border-left: var(--rule-w) solid var(--ink);
      transition: background 0.15s, color 0.15s;
    }
    .header__nav-link:hover { background: var(--ink); color: var(--paper); }
    .header__nav-link--cta { background: var(--ink); color: var(--paper); }
    .header__nav-link--cta:hover { background: #05b34d; }

    /* ─── MV ─── */
    .mv {
      margin-top: var(--hdr-h);
      display: flex; flex-direction: column;
      border-bottom: var(--rule-w) solid var(--ink);
    }
    .mv__eyebrow {
      display: flex; align-items: center; justify-content: space-between;
      padding: 14px 40px; border-bottom: var(--rule-w) solid var(--ink);
    }
    .mv__category {
      display: flex; align-items: center; gap: 14px;
      font-size:12px; font-weight: 700; letter-spacing: 0.2em;
      font-family: 'DM Mono', monospace; color: var(--muted);
    }
    .mv__category::before {
      content: ''; display: block; width: 28px;
      height: var(--rule-w); background: var(--accent);
    }
    .mv__eyebrow-right {
      display: flex; align-items: center; gap: 20px;
      font-size:12px; font-family: 'DM Mono', monospace;
      color: var(--muted); letter-spacing: 0.1em;
    }
    .mv__eyebrow-dot {
      width: 6px; height: 6px; border-radius: 50%;
      border: var(--rule-w) solid var(--accent);
    }
    .mv__body { display: grid; grid-template-columns: 1fr 380px; }
    .mv__left { border-right: var(--rule-w) solid var(--ink); }
    .mv__headline-area { padding: 52px 48px; position: relative; }

    .mv__corner { position: absolute; width: 18px; height: 18px; }
    .mv__corner--tl { top:16px;left:16px; border-top:var(--rule-w) solid var(--accent); border-left:var(--rule-w) solid var(--accent); }
    .mv__corner--tr { top:16px;right:16px; border-top:var(--rule-w) solid var(--accent); border-right:var(--rule-w) solid var(--accent); }
    .mv__corner--bl { bottom:16px;left:16px; border-bottom:var(--rule-w) solid var(--accent); border-left:var(--rule-w) solid var(--accent); }
    .mv__corner--br { bottom:16px;right:16px; border-bottom:var(--rule-w) solid var(--accent); border-right:var(--rule-w) solid var(--accent); }

    .mv__tag {
      display: inline-block; border: var(--rule-w) solid var(--ink);
      padding: 4px 12px; font-size:12px; font-weight: 700;
      letter-spacing: 0.16em; font-family: 'DM Mono', monospace; margin-bottom: 28px;
    }
    .mv__h1 { font-size:clamp(44px, 6.5vw, 80px); font-weight: 900; line-height: 1.18; letter-spacing: -0.01em; }
    .mv__h1 .accent-word { position: relative; display: inline-block; }
    .mv__h1 .accent-word::after {
      content: ''; position: absolute; left: 0; bottom: -.08em;
      width: 100%; height: 4px; background: var(--accent); opacity: 0.7;
    }
    .mv__rule { width: 100%; height: var(--rule-w); background: var(--ink); margin: 28px 0; }
    .mv__sub { font-size:clamp(18px, 2.2vw, 26px); font-weight: 700; line-height: 1.45; letter-spacing: 0.03em; margin-bottom: 24px; }
    .mv__body-text { font-size:14px; line-height: 1.95; color: #444; max-width: 520px; margin-bottom: 40px; }
    .mv__cta { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }

    /* BUTTONS */
    .btn {
      display: inline-flex; align-items: center; gap: 10px;
      padding: 13px 24px; font-size:12px; font-weight: 700;
      letter-spacing: 0.1em; text-decoration: none;
      font-family: 'Noto Sans JP', sans-serif;
      border: var(--rule-w) solid var(--ink);
      cursor: pointer; transition: background 0.15s, color 0.15s, border-color 0.15s; line-height: 1;
    }
    .btn__arrow { font-size:13px; transition: transform 0.15s; }
    .btn:hover .btn__arrow { transform: translateX(3px); }
    .btn--fill { background: var(--ink); color: var(--paper); }
    .btn--fill:hover { background: var(--accent); border-color: var(--accent); }
    .btn--outline:hover { background: var(--ink); color: var(--paper); }
    .btn--line { background: #06C755; color: #fff; border-color: #06C755; }
    .btn--line:hover { background: #05b34d; border-color: #05b34d; }
    .header__nav-link--cta { background: #06C755; color: #fff; }
    .btn--white { background: var(--paper); color: var(--ink); border-color: var(--paper); justify-content: center; }
    .btn--white:hover { background: var(--accent); border-color: var(--accent); color: var(--paper); }
    .btn--white-outline { background: transparent; color: var(--paper); border-color: rgba(255,255,255,0.35); justify-content: center; }
    .btn--white-outline:hover { background: rgba(255,255,255,0.1); }

    /* MV SIDEBAR */
    .mv__right { display: flex; flex-direction: column; }
    .mv__sidebar-upper { padding: 40px 28px; display: flex; flex-direction: column; flex: 1; }
    .mv__stats { margin-top: auto; }
    .mv__sidebar-label {
      display: flex; align-items: center; gap: 10px;
      font-size:12px; font-weight: 700; letter-spacing: 0.2em;
      font-family: 'DM Mono', monospace; color: var(--muted); margin-bottom: 24px;
    }
    .mv__sidebar-label::before { content: ''; display: block; width: 16px; height: var(--rule-w); background: var(--accent); }
    .mv__features { list-style: none; }
    .mv__feature {
      padding: 16px 0; border-top: 1px solid rgba(0,0,0,0.1);
      display: grid; grid-template-columns: 28px 1fr; gap: 12px;
      align-items: start; font-size:12.5px; line-height: 1.65; font-weight: 500;
    }
    .mv__feature:last-child { border-bottom: 1px solid rgba(0,0,0,0.1); }
    .mv__feature-n { font-family: 'DM Mono', monospace; font-size:12px; font-weight: 500; color: var(--accent); padding-top: 2px; }

    .mv__stats {
      display: grid; grid-template-columns: 1fr 1fr;
      margin-top: auto; padding-top: 20px;
    }
    .mv__stat { padding: 12px 12px 6px 0; display: flex; flex-direction: column; gap: 5px; }
    .mv__stat:nth-child(even) { padding-left: 12px; padding-right: 0; border-left: 1px solid rgba(0,0,0,0.12); }
    .mv__stat:nth-child(n+3) { border-top: 1px solid rgba(0,0,0,0.12); padding-top: 12px; }
    .mv__stat--wide { grid-column: 1 / -1; border-left: none !important; padding-left: 0 !important; }
    .mv__stat-num { font-family: 'DM Mono', monospace; font-size:26px; font-weight: 500; letter-spacing: -0.03em; line-height: 1; }
    .mv__stat-ijo { font-family: 'Noto Sans JP', sans-serif; font-size:12px; font-weight: 700; letter-spacing: 0.04em; margin-left: 2px; }
    .mv__stat-label { font-size:12px; font-weight: 700; letter-spacing: 0.1em; color: var(--muted); }

    .mv__sidebar-lower { background: var(--ink); color: var(--paper); padding: 28px 28px 0; margin-top: auto; display: block; text-decoration: none; transition: background 0.15s; cursor: pointer; }
    .mv__sidebar-lower:hover { background: #2a2a2a; }
    .mv__sidebar-lower-label {
      font-size:12px; font-weight: 700; letter-spacing: 0.25em;
      font-family: 'DM Mono', monospace; color: rgba(255,255,255,0.4); margin-bottom: 10px;
    }
    .mv__sidebar-lower-text { font-size:13px; font-weight: 700; line-height: 1.65; margin-bottom: 20px; }
    .btn--line-white {
      display: flex; align-items: center; justify-content: space-between;
      padding: 12px 16px; font-size:12px; font-weight: 700; letter-spacing: 0.1em;
      text-decoration: none; font-family: 'Noto Sans JP', sans-serif;
      border: 1px solid #06C755; background: #06C755; color: #fff;
      transition: background 0.15s, border-color 0.15s; line-height: 1;
    }
    .btn--line-white:hover { background: #05b34d; border-color: #05b34d; }



    /* ─── SECTION BASE ─── */
    .sec { border-top: var(--rule-w) solid var(--ink); }
    .sec__label {
      display: flex; align-items: center; gap: 12px;
      font-size:12px; font-weight: 700; letter-spacing: 0.22em;
      font-family: 'DM Mono', monospace; color: var(--muted); margin-bottom: 16px;
    }
    .sec__label::before { content: ''; display: block; width: 20px; height: var(--rule-w); background: var(--accent); flex-shrink: 0; }
    .sec__heading { font-size:clamp(22px, 3vw, 36px); font-weight: 900; line-height: 1.35; letter-spacing: -0.01em; }

    /* ─── 課題 ─── */
    .prob { background: var(--stone); }
    .prob__header { padding: 64px 48px 40px; border-bottom: var(--rule-w) solid var(--ink); }
    .prob__grid { display: grid; grid-template-columns: repeat(3, 1fr); }
    .prob__card { padding: 40px 36px; border-right: var(--rule-w) solid var(--ink); }
    .prob__card:last-child { border-right: none; }
    .prob__card-top {
      display: flex; align-items: flex-start; gap: 14px;
      margin-bottom: 20px; padding-bottom: 18px;
      border-bottom: 1px solid rgba(0,0,0,0.12);
    }
    .prob__num { font-family: 'DM Mono', monospace; font-size:12px; font-weight: 500; color: var(--accent); padding-top: 3px; flex-shrink: 0; }
    .prob__card-title { font-size:14px; font-weight: 700; line-height: 1.55; }
    .prob__card-body { font-size:14px; line-height: 1.9; color: #555; }

    /* ─── CTA ─── */
    .cta-sec { background: var(--ink); color: var(--paper); }
    .cta-sec__inner {
      display: grid; grid-template-columns: 1fr auto;
      align-items: center; gap: 60px; padding: 64px 48px;
    }
    .cta-sec__heading { font-size:clamp(24px, 3.5vw, 40px); font-weight: 900; line-height: 1.3; margin-bottom: 16px; letter-spacing: -0.01em; }
    .cta-sec__text { font-size:13px; line-height: 1.9; color: rgba(255,255,255,0.65); max-width: 520px; }
    .cta-sec__btns { display: flex; flex-direction: column; gap: 10px; min-width: 220px; }

    /* ─── プロフィール ─── */
    .prof-sec { background: var(--stone); }
    .prof__inner { display: grid; grid-template-columns: 280px 1fr; }
    .prof__photo-col {
      padding: 48px 40px;
      border-right: var(--rule-w) solid var(--ink);
      display: flex; flex-direction: column; gap: 20px;
    }
    .prof__img {
      width: 100%; aspect-ratio: 1 / 1;
      object-fit: cover; object-position: top;
      display: block; background: var(--stone);
      border: var(--rule-w) solid rgba(0,0,0,0.1);
    }
    .prof__name { font-size:18px; font-weight: 900; margin-bottom: 4px; }
    .prof__role { font-size:12px; font-weight: 700; color: var(--muted); letter-spacing: 0.08em; }
    .prof__hobby-label {
      font-size:14px; font-weight: 700; letter-spacing: 0.2em;
      font-family: 'DM Mono', monospace; color: var(--muted); margin-bottom: 10px;
      display: flex; align-items: center; gap: 10px;
    }
    .prof__hobby-label::before { content: ''; display: block; width: 14px; height: var(--rule-w); background: var(--accent); }
    .prof__hobbies { display: flex; flex-wrap: wrap; gap: 6px; }
    .prof__hobby { font-size:14px; font-weight: 700; padding: 3px 10px; border: 1px solid rgba(0,0,0,0.2); color: #555; }

    .prof__content { padding: 48px; }
    .prof__heading { font-size:clamp(22px, 2.8vw, 32px); font-weight: 900; line-height: 1.3; letter-spacing: -0.01em; margin-bottom: 20px; }
    .prof__body { font-size:14px; line-height: 1.95; color: #444; margin-bottom: 32px; }
    .prof__stats {
      display: grid; grid-template-columns: repeat(3, 1fr);
      border-top: var(--rule-w) solid var(--ink);
      border-bottom: var(--rule-w) solid var(--ink);
      margin-bottom: 36px;
    }
    .prof__stat { padding: 18px 0; border-right: 1px solid rgba(0,0,0,0.12); }
    .prof__stat:last-child { border-right: none; }
    .prof__stat-num {
      font-family: 'DM Mono', monospace; font-size:28px; font-weight: 500;
      letter-spacing: -0.03em; line-height: 1; margin-bottom: 5px;
    }
    .prof__stat-unit { font-size:14px; }
    .prof__stat-label { font-size:12px; font-weight: 700; color: var(--muted); letter-spacing: 0.1em; }
    .prof__career-label {
      display: flex; align-items: center; gap: 12px;
      font-size:12px; font-weight: 700; letter-spacing: 0.22em;
      font-family: 'DM Mono', monospace; color: var(--muted); margin-bottom: 16px;
    }
    .prof__career-label::before { content: ''; display: block; width: 20px; height: var(--rule-w); background: var(--accent); }
    .prof__timeline { list-style: none; display: flex; flex-direction: column; }
    .prof__tl-item {
      display: grid; grid-template-columns: 104px 1fr;
      gap: 16px; padding: 10px 0;
      border-top: 1px solid rgba(0,0,0,0.08);
      font-size:14px; line-height: 1.7;
    }
    .prof__tl-item:first-child { border-top: none; }
    .prof__tl-year { font-family: 'DM Mono', monospace; font-size:12px; font-weight: 500; color: var(--accent); padding-top: 2px; white-space: nowrap; }

    /* ─── サービス ─── */
    .srv { background: var(--paper); }
    .srv__body { display: grid; grid-template-columns: var(--left-col) 1fr; }
    .srv__sticky {
      background: var(--accent);
      border-right: var(--rule-w) solid var(--ink);
      border-bottom: var(--rule-w) solid var(--ink);
      border-left: var(--rule-w) solid var(--ink);
      position: sticky; top: var(--hdr-h);
      align-self: start; height: fit-content;
      display: flex; align-items: center; justify-content: center; padding: 40px 0;
    }
    .srv__sticky-label {
      writing-mode: vertical-rl; font-size:12px; font-weight: 700;
      letter-spacing: 0.28em; color: rgba(255,255,255,0.85); font-family: 'DM Mono', monospace;
    }
    .srv__right { }
    .srv__card { border-top: var(--rule-w) solid var(--ink); }
    .srv__card:first-child { border-top: none; }
    .srv__card-hd {
      display: flex; align-items: baseline; gap: 20px;
      padding: 32px 40px 24px; border-bottom: 1px solid rgba(0,0,0,0.1);
    }
    .srv__num { font-family: 'DM Mono', monospace; font-size:12px; font-weight: 500; color: var(--accent); flex-shrink: 0; }
    .srv__title { font-size:clamp(18px, 2.5vw, 26px); font-weight: 900; line-height: 1.2; }
    .srv__card-bd { display: grid; grid-template-columns: 1fr 1fr; }
    .srv__main { padding: 28px 40px; border-right: 1px solid rgba(0,0,0,0.1); }
    .srv__sub { font-size:13px; font-weight: 700; color: var(--accent); margin-bottom: 12px; line-height: 1.5; }
    .srv__desc { font-size:14px; line-height: 1.9; color: #555; }
    .srv__feats { list-style: none; padding: 28px 40px; }
    .srv__feat {
      display: flex; align-items: flex-start; gap: 10px;
      padding: 9px 0; font-size:12.5px; font-weight: 500; line-height: 1.6;
      border-bottom: 1px solid rgba(0,0,0,0.07);
    }
    .srv__feat:first-child { padding-top: 0; }
    .srv__feat::before {
      content: ''; display: block; width: 4px; height: 4px;
      border-radius: 50%; background: var(--accent); flex-shrink: 0; margin-top: 8px;
    }

    /* ─── 会社概要・お問い合わせ ─── */
    .contact-sec { background: var(--stone); }
    .contact-sec__hd { padding: 64px 48px 40px; border-bottom: var(--rule-w) solid var(--ink); }
    .contact-sec__bd { display: grid; grid-template-columns: 460px 1fr; }

    .company-col { padding: 48px; border-right: var(--rule-w) solid var(--ink); }
    .col-head { margin-bottom: 24px; padding-bottom: 20px; border-bottom: var(--rule-w) solid var(--ink); }
    .col-head__label {
      display: flex; align-items: center; gap: 12px;
      font-size:12px; font-weight: 700; letter-spacing: 0.22em;
      font-family: 'DM Mono', monospace; color: var(--muted); margin-bottom: 12px;
    }
    .col-head__label::before { content: ''; display: block; width: 20px; height: var(--rule-w); background: var(--accent); flex-shrink: 0; }
    .col-head__title { font-size:20px; font-weight: 900; line-height: 1.3; }
    .co-row {
      display: grid; grid-template-columns: 88px 1fr;
      padding: 14px 0; border-top: 1px solid rgba(0,0,0,0.12);
      font-size:14px; line-height: 1.75; gap: 12px;
    }
    .co-row:last-child { border-bottom: 1px solid rgba(0,0,0,0.12); }
    .co-th { font-size:12px; font-weight: 700; color: var(--muted); padding-top: 2px; }
    .co-td { color: var(--ink); }

    .cform { padding: 48px; }
    .fg { margin-bottom: 24px; }
    .flabel { display: flex; align-items: center; gap: 8px; font-size:13px; font-weight: 700; margin-bottom: 8px; }
    .fbadge { display: inline-block; padding: 2px 8px; font-size:12px; font-weight: 700; letter-spacing: 0.06em; }
    .fbadge--req { background: var(--ink); color: var(--paper); }
    .fbadge--opt { border: 1px solid rgba(0,0,0,0.25); color: var(--muted); }
    .finput, .ftextarea {
      width: 100%; border: var(--rule-w) solid var(--ink); background: #fff;
      padding: 12px 16px; font-size:14px; font-family: 'Noto Sans JP', sans-serif;
      outline: none; color: var(--ink); transition: border-color 0.15s; appearance: none;
    }
    .finput:focus, .ftextarea:focus { border-color: var(--accent); }
    .finput::placeholder, .ftextarea::placeholder { color: #bbb; }
    .ftextarea { height: 160px; resize: vertical; line-height: 1.7; }
    .fradios, .fchecks { display: flex; flex-direction: column; gap: 10px; }
    .fradio, .fcheck { display: flex; align-items: center; gap: 10px; font-size:14px; cursor: pointer; }
    .fradio input, .fcheck input { accent-color: var(--accent); width: 16px; height: 16px; flex-shrink: 0; }
    .ffile-label {
      display: block; padding: 13px 16px;
      border: var(--rule-w) dashed rgba(0,0,0,0.3);
      background: #fff; font-size:13px; color: var(--muted);
      cursor: pointer; transition: border-color 0.15s; text-align: center;
    }
    .ffile-label:hover { border-color: var(--accent); }
    .ffile-input { display: none; }
    .fpolicy {
      background: #fff; border: var(--rule-w) solid rgba(0,0,0,0.15);
      padding: 20px; height: 120px; overflow-y: auto;
      font-size:14px; line-height: 1.8; color: #555; margin-bottom: 14px;
    }
    .fpolicy-ttl { font-size:14px; font-weight: 700; display: block; margin-bottom: 10px; }
    .fagree { display: flex; align-items: center; gap: 10px; font-size:14px; font-weight: 500; cursor: pointer; margin-bottom: 28px; }
    .fagree input { accent-color: var(--accent); width: 16px; height: 16px; flex-shrink: 0; }
    .fsubmit {
      display: flex; align-items: center; justify-content: center; width: 100%;
      padding: 16px; font-size:14px; font-weight: 700; letter-spacing: 0.1em;
      background: var(--ink); color: var(--paper); border: none;
      cursor: pointer; font-family: 'Noto Sans JP', sans-serif;
      transition: background 0.15s;
    }
    .fsubmit:hover { background: var(--accent); }
    /* メーラー起動 */
    .mailto-block { display: flex; flex-direction: column; gap: 24px; }
    .mailto-block__note { font-size:14px; line-height: 1.9; color: #555; }
    .mailto-btn {
      display: inline-flex; align-items: center; gap: 14px;
      padding: 20px 28px; text-decoration: none;
      border: var(--rule-w) solid var(--ink);
      background: var(--ink); color: var(--paper);
      font-size:15px; font-weight: 700; letter-spacing: 0.06em;
      font-family: 'Noto Sans JP', sans-serif;
      transition: background 0.15s, border-color 0.15s;
      align-self: flex-start;
    }
    .mailto-btn:hover { background: var(--accent); border-color: var(--accent); }
    .mailto-btn__arrow { font-size:18px; }
    .mailto-sub { font-size:14px; color: var(--muted); margin-top: 4px; }
    /* ハニーポット（ボット用罠）*/
    .form-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; opacity: 0; }
    /* 送信結果 */
    .form-result { margin-top: 16px; padding: 16px; font-size:14px; line-height: 1.7; display: none; }
    .form-result.is-success { background: #f0f7e6; border-left: 3px solid var(--accent); color: #3a5a00; }
    .form-result.is-error   { background: #fdf0f0; border-left: 3px solid #cc3333; color: #7a1a1a; }
    .form-result a { color: inherit; }
    .fsubmit:disabled { opacity: 0.6; cursor: not-allowed; }
    /* ファイルプレビュー */
    .ffile-preview {
      display: none; align-items: center; gap: 14px;
      margin-top: 8px; padding: 12px 14px;
      background: var(--stone); border: var(--rule-w) solid rgba(0,0,0,0.15);
    }
    .ffile-preview.is-show { display: flex; }
    .ffile-thumb { width: 56px; height: 56px; flex-shrink: 0; object-fit: cover; display: block; border: 1px solid rgba(0,0,0,0.1); }
    .ffile-icon {
      width: 56px; height: 56px; flex-shrink: 0;
      background: rgba(0,0,0,0.07); display: flex; align-items: center;
      justify-content: center; font-size:22px;
    }
    .ffile-info { flex: 1; min-width: 0; }
    .ffile-name { display: block; font-size:13px; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
    .ffile-size { display: block; font-size:12px; color: var(--muted); margin-top: 2px; }
    .ffile-remove {
      background: none; border: var(--rule-w) solid rgba(0,0,0,0.2); padding: 4px 10px;
      font-size:12px; font-weight: 700; cursor: pointer; color: var(--muted);
      font-family: 'Noto Sans JP', sans-serif; flex-shrink: 0;
      transition: border-color 0.15s, color 0.15s;
    }
    .ffile-remove:hover { border-color: #cc3333; color: #cc3333; }

    /* ─── FOOTER ─── */
    .footer { background: var(--ink); color: var(--paper); border-top: var(--rule-w) solid var(--ink); }
    .footer__inner {
      padding: 48px; border-bottom: var(--rule-w) solid rgba(255,255,255,0.1);
    }
    .footer__logo { display: block; margin-bottom: 12px; }
    .footer__logo img { height: 26px; width: auto; display: block; filter: brightness(0) invert(1); }
    .footer__tagline { font-size:13px; color: rgba(255,255,255,0.55); line-height: 1.75; }
    .footer__copy {
      padding: 16px 48px; font-size:12px; font-family: 'DM Mono', monospace;
      color: rgba(255,255,255,0.3); letter-spacing: 0.08em;
    }

    /* ─── RESPONSIVE ─── */
    @media (max-width: 900px) {
      .mv__body { grid-template-columns: 1fr; }
      .mv__left { border-right: none; }
      .mv__headline-area { padding: 40px 24px; }
      .mv__eyebrow { padding-left: 24px; padding-right: 24px; }

      /* 右サイドバー：消さずにコンテンツを整理して表示 */
      .mv__right { border-top: var(--rule-w) solid var(--ink); }
      .mv__sidebar-label, .mv__features { display: none; }
      .mv__sidebar-upper { flex: initial; padding: 20px 24px 0; }
      .mv__stats { grid-template-columns: repeat(4, 1fr); padding-top: 0; margin-top: 0; }
      .mv__stat:nth-child(n+3) { border-top: none; padding-top: 12px; }
      .mv__stat:nth-child(3) { border-left: 1px solid rgba(0,0,0,0.12); padding-left: 12px; }
      .mv__sidebar-lower { margin-top: 0; padding: 20px 24px; }

      .prob__header { padding: 48px 24px 32px; }
      .prob__grid { grid-template-columns: 1fr; }
      .prob__card { border-right: none; border-top: var(--rule-w) solid var(--ink); }
      .prob__card:first-child { border-top: none; }
      .prob__card { padding: 32px 24px; }

      .cta-sec__inner { grid-template-columns: 1fr; gap: 32px; padding: 48px 24px; }
      .cta-sec__btns { flex-direction: row; flex-wrap: wrap; }

      .prof__inner { grid-template-columns: 1fr; }
      .prof__photo-col { border-right: none; border-bottom: var(--rule-w) solid var(--ink); padding: 32px 24px; flex-direction: row; flex-wrap: wrap; align-items: flex-start; gap: 24px; }
      .prof__img { width: 120px; height: 120px; }
      .prof__content { padding: 32px 24px; }

      .srv__header { padding: 48px 24px 32px; }
      .srv__body { grid-template-columns: 1fr; }
      .srv__sticky { display: none; }
      .srv__card-hd { padding: 28px 24px 20px; }
      .srv__card-bd { grid-template-columns: 1fr; }
      .srv__main { border-right: none; border-bottom: 1px solid rgba(0,0,0,0.1); padding: 24px; }
      .srv__feats { padding: 24px; }

      .contact-sec__bd { grid-template-columns: 1fr; }
      .company-col { border-right: none; border-bottom: var(--rule-w) solid var(--ink); padding: 32px 24px; }
      .cform { padding: 32px 24px; }

      .footer__inner, .footer__copy { padding-left: 24px; padding-right: 24px; }
    }

    @media (max-width: 540px) {
      .mv__h1 { font-size:38px; }
      .mv__sub { font-size:17px; }
      .cta-sec__btns { flex-direction: column; }
      .mv__stats { grid-template-columns: 1fr 1fr; }
      .mv__stat:nth-child(n+3) { border-top: 1px solid rgba(0,0,0,0.12); padding-top: 12px; }
      .mv__stat:nth-child(3) { border-left: none; padding-left: 0; }
      .mv__stat:nth-child(even) { border-left: 1px solid rgba(0,0,0,0.12); padding-left: 12px; }
    }

    @media (prefers-reduced-motion: reduce) {
      .ticker__track { animation: none; }
    }