:root {
    --bg:        #f5f2ec;
    --bg-soft:   #ece7dd;
    --ink:       #1a1a1a;
    --ink-soft:  #3a362f;
    --muted:     #8a7a5c;
    --line:      #d9d2c3;
    --accent:    #8a7a5c;
    --paper:     #fbf8f2;
  }
  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  html, body { margin: 0; padding: 0; }
  body {
    background: var(--bg);
    color: var(--ink);
    font-family: "Shippori Mincho", "Noto Serif JP", "Hiragino Mincho ProN", serif;
    font-weight: 400;
    line-height: 1.85;
    letter-spacing: 0.04em;
    -webkit-font-smoothing: antialiased;
  }
  .serif-en { font-family: "Cormorant Garamond", serif; letter-spacing: 0.02em; }
  .mono { font-family: "JetBrains Mono", ui-monospace, monospace; letter-spacing: 0; }

  .wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

  /* ---------- nav ---------- */
  header {
    position: sticky; top: 0; z-index: 50;
    background: rgba(245,242,236,0.92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--line);
  }
  .nav { display: flex; align-items: center; justify-content: space-between; padding: 18px 24px; max-width: 1200px; margin: 0 auto; }
  .brand { text-decoration: none; color: var(--ink); }
  .brand .b1 { font-family: "Cormorant Garamond", serif; font-size: 24px; letter-spacing: 0.22em; font-weight: 500; }
  .brand .b2 { font-family: "Cormorant Garamond", serif; font-size: 13px; letter-spacing: 0.34em; color: var(--muted); margin-left: 10px; }
  nav.menu { display: flex; gap: 30px; }
  nav.menu a { text-decoration: none; color: var(--ink-soft); text-align: center; }
  nav.menu a .jp { display: block; font-size: 14px; letter-spacing: 0.14em; }
  nav.menu a .en { display: block; font-family: "JetBrains Mono", monospace; font-size: 9px; letter-spacing: 0.3em; color: var(--muted); margin-top: 1px; }
  nav.menu a:hover .jp { color: var(--accent); }
  .menu-toggle { display: none; background: none; border: 1px solid var(--line); padding: 8px 14px; font-family: "JetBrains Mono", monospace; font-size: 11px; letter-spacing: 0.2em; color: var(--ink-soft); cursor: pointer; }
  @media (max-width: 860px) {
    nav.menu { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--paper); border-bottom: 1px solid var(--line); flex-direction: column; gap: 0; padding: 12px 0; }
    nav.menu.open { display: flex; }
    nav.menu a { padding: 12px 24px; }
    .menu-toggle { display: block; }
  }

  /* ---------- hero ---------- */
  .hero { position: relative; height: 78vh; min-height: 480px; margin: 28px auto 0; max-width: 1200px; padding: 0 24px; }
  .hero-img {
    position: relative; width: 100%; height: 100%;
    background: url("images/hero.jpg") center / cover no-repeat, linear-gradient(160deg, #b3a17e 0%, #a6936f 45%, #8f7d5b 100%);
    overflow: hidden;
  }
  .hero-img::after {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(26,26,26,0.45), transparent 55%);
  }
  .hero-copy, .ph-meta { z-index: 1; }
  .ph-label {
    position: absolute; left: 24px; bottom: 22px;
    font-family: "JetBrains Mono", monospace; font-size: 11px; letter-spacing: 0.28em;
    color: rgba(251,248,242,0.85);
  }
  .ph-meta {
    position: absolute; left: 24px; top: 22px;
    font-family: "JetBrains Mono", monospace; font-size: 11px; letter-spacing: 0.28em;
    color: rgba(251,248,242,0.85);
  }
  .hero-copy {
    position: absolute; left: 64px; bottom: 72px; color: var(--paper);
  }
  .hero-copy h1 {
    font-size: clamp(26px, 4vw, 42px); font-weight: 500; line-height: 1.7; margin: 0;
    text-shadow: 0 1px 24px rgba(26,26,26,0.25);
  }
  .hero-copy p {
    margin: 18px 0 0; font-size: clamp(13px, 1.4vw, 15px); letter-spacing: 0.12em;
    text-shadow: 0 1px 16px rgba(26,26,26,0.3);
  }
  @media (max-width: 640px) {
    .hero-copy { left: 16px; right: 16px; bottom: 48px; }
    .hero-copy h1 { font-size: 20px; line-height: 1.85; }
  }

  /* 日本語の改行を単語の途中で起こさないための指定 */
  .nb { white-space: nowrap; }
  @media (max-width: 640px) { .sep-pc { display: none; } }
  body { line-break: strict; }

  /* ---------- sections ---------- */
  section { padding: 110px 0 0; }
  .sec-head { margin-bottom: 54px; }
  .sec-head .en {
    font-family: "Cormorant Garamond", serif; font-style: italic;
    font-size: 15px; letter-spacing: 0.18em; color: var(--muted); display: block; margin-bottom: 4px;
  }
  .sec-head h2 { font-size: 27px; font-weight: 600; letter-spacing: 0.12em; margin: 0; }
  .sec-head .bar { width: 44px; height: 1px; background: var(--accent); margin-top: 22px; }

  .lead { max-width: 640px; font-size: 15px; color: var(--ink-soft); }

  /* about */
  .about-grid { display: grid; grid-template-columns: 320px 1fr; gap: 64px; align-items: start; }
  @media (max-width: 820px) { .about-grid { grid-template-columns: 1fr; gap: 40px; } }
  .portrait {
    aspect-ratio: 3 / 3.6; background: linear-gradient(170deg, #cfc4a9, #b5a784);
    position: relative; overflow: hidden;
  }
  .portrait img { width: 100%; height: 100%; object-fit: cover; object-position: 45% center; display: block; }
  .about-name { margin: 26px 0 0; }
  .nm-en { display: block; font-style: italic; font-size: 13.5px; letter-spacing: 0.14em; color: var(--muted); margin-top: 5px; }
  .about-name .nm { font-size: 20px; font-weight: 600; letter-spacing: 0.18em; }
  .about-name .ttl { display: block; font-size: 12.5px; color: var(--muted); letter-spacing: 0.1em; margin-top: 6px; line-height: 1.9; }
  .about-text p { font-size: 15px; color: var(--ink-soft); margin: 0 0 1.4em; }
  .insta-link { display: inline-block; margin-top: 6px; font-size: 13px; letter-spacing: 0.08em; color: var(--accent); text-decoration: none; border-bottom: 1px solid var(--line); padding-bottom: 2px; }
  .insta-link:hover { border-color: var(--accent); }

  .history { margin-top: 56px; border-top: 1px solid var(--line); }
  .history dl { display: grid; grid-template-columns: 120px 1fr; margin: 0; border-bottom: 1px solid var(--line); padding: 16px 4px; }
  .history dt { font-family: "JetBrains Mono", monospace; font-size: 13px; color: var(--muted); letter-spacing: 0.1em; }
  .history dd { margin: 0; font-size: 14.5px; color: var(--ink-soft); }

  /* values */
  .values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 44px; margin-top: 64px; }
  @media (max-width: 820px) { .values { grid-template-columns: 1fr; gap: 32px; } }
  .value .num { font-family: "Cormorant Garamond", serif; font-style: italic; font-size: 30px; color: var(--accent); }
  .value h3 { font-size: 16.5px; font-weight: 600; letter-spacing: 0.1em; margin: 10px 0 12px; }
  .value p { font-size: 13.5px; color: var(--ink-soft); margin: 0; }

  /* works */
  .works-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
  @media (max-width: 820px) { .works-grid { grid-template-columns: repeat(2, 1fr); } }
  @media (max-width: 540px) { .works-grid { grid-template-columns: 1fr; } }
  .work { position: relative; aspect-ratio: 4 / 3; overflow: hidden; }
  .work.tall { grid-row: span 2; aspect-ratio: auto; }
  @media (max-width: 540px) { .work.tall { grid-row: span 1; aspect-ratio: 3 / 4; } }
  .work.plan { background: #fff; border: 1px solid var(--line); }
  .work.plan img { object-fit: contain; padding: 12px; }
  .work.plan .cap { color: var(--muted); text-shadow: none; }
  .work img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
  .work .cap {
    position: absolute; left: 14px; bottom: 12px;
    font-family: "JetBrains Mono", monospace; font-size: 10px; letter-spacing: 0.24em;
    color: rgba(251,248,242,0.9); text-shadow: 0 1px 8px rgba(26,26,26,0.6);
  }
  .works-note { margin-top: 26px; font-size: 12.5px; color: var(--muted); }

  /* service */
  .svc { border-top: 1px solid var(--line); display: grid; grid-template-columns: 70px 240px 1fr; gap: 28px; padding: 40px 4px; align-items: baseline; }
  .svc:last-of-type { border-bottom: 1px solid var(--line); }
  @media (max-width: 820px) { .svc { grid-template-columns: 1fr; gap: 10px; padding: 32px 4px; } }
  .svc .no { font-family: "Cormorant Garamond", serif; font-style: italic; font-size: 26px; color: var(--muted); }
  .svc h3 { font-size: 18px; font-weight: 600; letter-spacing: 0.12em; margin: 0; }
  .svc h3 small { display: block; font-family: "JetBrains Mono", monospace; font-size: 10px; font-weight: 400; letter-spacing: 0.26em; color: var(--muted); margin-top: 6px; }
  .svc p { font-size: 14.5px; color: var(--ink-soft); margin: 0 0 0.8em; }
  .svc-note { margin-top: 26px; font-size: 12.5px; color: var(--muted); }

  /* 間取り相談の実例（自作間取り図） */
  .madori-ex { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 22px; }
  @media (max-width: 540px) { .madori-ex { grid-template-columns: 1fr; } }
  .madori-ex figure { margin: 0; }
  .madori-ph { aspect-ratio: 4 / 3; background: var(--paper); border: 1px solid var(--line); position: relative; }
  .madori-ph .ph-label { color: var(--muted); }
  .madori-ex img { display: block; width: 100%; height: auto; background: #fff; border: 1px solid var(--line); }
  .madori-ex figcaption { font-size: 12px; color: var(--muted); margin-top: 8px; letter-spacing: 0.06em; }
  .madori-flow { margin-top: 18px; font-size: 13.5px; color: var(--ink-soft); border-left: 2px solid var(--line); padding-left: 14px; }

  /* 間取り相談のかたち（3メニュー） */
  .madori-menu { list-style: none; padding: 0; margin: 20px 0 0; }
  .madori-menu li { border-top: 1px solid var(--line); padding: 14px 4px; font-size: 13.5px; color: var(--ink-soft); }
  .madori-menu li:last-child { border-bottom: 1px solid var(--line); }
  .madori-menu b { display: block; font-weight: 600; font-size: 14px; letter-spacing: 0.08em; margin-bottom: 4px; }

  /* process */
  .steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px 44px; }
  @media (max-width: 820px) { .steps { grid-template-columns: 1fr; gap: 28px; } }
  .step { border-top: 1px solid var(--line); padding-top: 20px; }
  .step .sno { font-family: "JetBrains Mono", monospace; font-size: 11px; letter-spacing: 0.3em; color: var(--accent); }
  .step h3 { font-size: 16px; font-weight: 600; letter-spacing: 0.1em; margin: 10px 0 10px; }
  .step p { font-size: 13.5px; color: var(--ink-soft); margin: 0; }

  /* partner */
  .partner-band { background: var(--bg-soft); margin-top: 110px; padding: 90px 0; }
  .partner-band section { padding: 0; }
  .partner-inner { max-width: 720px; }
  .partner-inner p { font-size: 14.5px; color: var(--ink-soft); }
  .duty-list { list-style: none; padding: 0; margin: 30px 0 0; }
  .duty-list li { border-bottom: 1px solid var(--line); padding: 13px 4px; font-size: 14px; color: var(--ink-soft); display: flex; gap: 14px; }
  .duty-list li::before { content: "—"; color: var(--accent); }

  /* contact */
  .contact-inner { text-align: center; max-width: 620px; margin: 0 auto; }
  .contact-inner p { font-size: 14.5px; color: var(--ink-soft); }
  .contact-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-top: 34px; }
  .btn-mail {
    display: inline-block; padding: 18px 48px;
    border: 1px solid var(--ink); color: var(--ink); text-decoration: none;
    font-size: 14px; letter-spacing: 0.22em; transition: all 0.3s ease;
  }
  .btn-mail:hover { background: var(--ink); color: var(--paper); }
  .btn-line {
    display: inline-block; padding: 18px 48px;
    border: 1px solid #06C755; background: #06C755; color: #fff; text-decoration: none;
    font-size: 14px; letter-spacing: 0.22em; transition: all 0.3s ease;
  }
  .btn-line:hover { opacity: 0.85; }
  .contact-note { margin-top: 22px; font-size: 12px; color: var(--muted); }

  /* footer */
  footer { margin-top: 130px; border-top: 1px solid var(--line); padding: 44px 0 56px; }
  .foot { display: flex; justify-content: space-between; align-items: flex-end; flex-wrap: wrap; gap: 18px; }
  .foot .fl .fb1 { font-family: "Cormorant Garamond", serif; font-size: 20px; letter-spacing: 0.22em; }
  .foot .fl .fb2 { font-size: 11.5px; color: var(--muted); margin-top: 8px; line-height: 2; }
  .foot .fr { font-family: "JetBrains Mono", monospace; font-size: 10px; letter-spacing: 0.2em; color: var(--muted); text-align: right; }
  .foot a { color: var(--accent); text-decoration: none; }

  /* fade-in */
  .fade { opacity: 0; transform: translateY(18px); transition: opacity 0.9s ease, transform 0.9s ease; }
  .fade.vis { opacity: 1; transform: none; }

  /* OSで「視差効果を減らす」設定の方にはアニメーションを無効化 */
  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .fade { opacity: 1; transform: none; transition: none; }
  }


  /* ---------- about（トップページの簡易版） ---------- */
  .about-brief > * { min-width: 0; }
  .about-brief { display: grid; grid-template-columns: 132px 1fr; gap: 32px; align-items: center; max-width: 720px; }
  @media (max-width: 620px) { .about-brief { grid-template-columns: 84px 1fr; gap: 18px; align-items: start; } }
  .portrait-sm { aspect-ratio: 1/1; border-radius: 50%; overflow: hidden; background: var(--line); }
  .portrait-sm img { width: 100%; height: 100%; object-fit: cover; object-position: 45% center; display: block; }
  .about-brief .nm { font-size: 17px; font-weight: 600; letter-spacing: 0.16em; }
  .about-brief .ttl { display: block; font-size: 12px; color: var(--muted); letter-spacing: 0.08em; margin-top: 6px; line-height: 1.85; }
  .about-brief p { font-size: 14.5px; color: var(--ink-soft); margin: 14px 0 0; }
  .more-link { display: inline-block; margin-top: 14px; font-size: 13px; letter-spacing: 0.1em; color: var(--accent); text-decoration: none; border-bottom: 1px solid var(--line); padding-bottom: 3px; }
  .more-link:hover { border-color: var(--accent); }

  /* ---------- 下層ページ ---------- */
  .page-head { padding: 132px 0 0; }
  .page-head .en { font-family: "Cormorant Garamond", serif; font-style: italic; font-size: 30px; color: var(--accent); display: block; }
  .page-head h1 { font-size: 27px; font-weight: 600; letter-spacing: 0.16em; margin: 6px 0 0; }
  @media (max-width: 620px) { .page-head { padding-top: 108px; } .page-head h1 { font-size: 22px; } }
  .back-link { display: inline-block; margin-top: 56px; font-size: 13px; letter-spacing: 0.1em; color: var(--ink-soft); text-decoration: none; border-bottom: 1px solid var(--line); padding-bottom: 3px; }
  .back-link:hover { color: var(--accent); border-color: var(--accent); }

  .page-head + section { padding-top: 56px; }

  .foot-sep { margin: 0 10px; color: var(--line); }

  /* ---------- 読みもの（note連携） ---------- */
  .reading-lead { font-size: 14.5px; color: var(--ink-soft); margin: 0 0 28px; }
  .reading-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
  @media (max-width: 820px) { .reading-grid { grid-template-columns: 1fr 1fr; gap: 20px; } }
  @media (max-width: 540px) { .reading-grid { grid-template-columns: 1fr; gap: 26px; } }
  .note-card { display: block; text-decoration: none; color: inherit; }
  .note-card .thumb { aspect-ratio: 16 / 9; overflow: hidden; background: var(--line); }
  .note-card .thumb img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .6s ease; }
  .note-card:hover .thumb img { transform: scale(1.04); }
  .note-card h3 { font-size: 14.5px; font-weight: 600; line-height: 1.75; letter-spacing: 0.04em; margin: 14px 0 7px; }
  .note-card:hover h3 { color: var(--accent); }
  .note-card time { font-family: "JetBrains Mono", monospace; font-size: 10.5px; letter-spacing: 0.16em; color: var(--muted); }