:root {
    --deep: #12312d;      /* 深い森の緑 */
    --green: #246161;     /* 山旅旅の緑 */
    --paper: #f6f3ec;     /* 生成り */
    --line: #ddd6c7;
    --ink: #161616;
    --sub: #5d625f;
    --accent: #e2591d;    /* 山旅ショップの橙（使いすぎない） */
    --gold: #b39257;
    --serif: "Cormorant Garamond", "Times New Roman", serif;
  }
  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
  body { background: #fff; color: var(--ink); font-family: system-ui, -apple-system, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", Meiryo, sans-serif; line-height: 1.9; overflow-x: hidden; }
  a { color: inherit; text-decoration: none; }
  img { display: block; max-width: 100%; }
  .wrap { max-width: 1160px; margin: 0 auto; padding: 0 20px; }
  .en { font-family: var(--serif); font-weight: 500; letter-spacing: .06em; }
  .eyebrow { display: inline-flex; align-items: center; gap: 12px; font-family: var(--serif); font-size: 15px; letter-spacing: .22em; text-transform: uppercase; color: var(--gold); }
  .eyebrow::before { content: ""; width: 28px; height: 1px; background: currentColor; }

  /* ヘッダー */
  .hd { position: absolute; inset: 0 0 auto; z-index: 5; }
  .hd .wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; }
  .hd__logo { display: flex; align-items: center; gap: 12px; color: #fff; }
  .hd__logo img { height: 26px; width: auto; filter: brightness(0) invert(1); }
  .hd__logo small { font-size: 11px; letter-spacing: .12em; opacity: .85; border-left: 1px solid rgba(255,255,255,.4); padding-left: 12px; }
  .hd nav { display: none; gap: 28px; font-size: 13px; letter-spacing: .08em; color: #fff; }
  .hd nav a { opacity: .9; }
  .hd nav a:hover { opacity: 1; text-decoration: underline; text-underline-offset: 6px; }
  .hd__cta { font-size: 12px; color: #fff; border: 1px solid rgba(255,255,255,.6); border-radius: 999px; padding: 7px 16px; letter-spacing: .06em; }
  .hd__cta:hover { background: #fff; color: var(--deep); }

  /* 最初の画面 */
  .hero { position: relative; min-height: 100svh; display: flex; align-items: flex-end; color: #fff; background: var(--deep); }
  .hero img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
  .hero::after { content: ""; position: absolute; inset: 0; background: rgba(8, 22, 20, .44); }
  .hero__in { position: relative; z-index: 2; padding-bottom: 64px; width: 100%; }
  .hero h1 { font-size: clamp(34px, 8.6vw, 76px); line-height: 1.32; font-weight: 700; letter-spacing: .04em; margin: 18px 0 20px; }
  .hero p { font-size: 15px; line-height: 2; max-width: 34em; opacity: .95; }
  .hero__name { margin-top: 30px; display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 16px; border-top: 1px solid rgba(255,255,255,.35); padding-top: 18px; }
  .hero__name b { font-size: 17px; letter-spacing: .14em; }
  .hero__name span { font-family: var(--serif); font-size: 17px; letter-spacing: .14em; opacity: .85; }
  .hero .eyebrow { color: #e9d6ad; }

  /* 数字 */
  .nums { background: var(--deep); color: #fff; padding: 56px 0 60px; }
  .nums__lead { font-size: 13px; letter-spacing: .1em; opacity: .75; margin-bottom: 26px; }
  .nums__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px 18px; }
  .num b { display: block; font-family: var(--serif); font-weight: 600; font-size: clamp(40px, 11vw, 64px); line-height: 1; letter-spacing: .01em; }
  .num b small { font-size: .42em; margin-left: 4px; letter-spacing: .04em; }
  .num span { display: block; margin-top: 10px; font-size: 13px; line-height: 1.6; color: #cfdcd8; border-top: 1px solid rgba(255,255,255,.18); padding-top: 10px; }
  .nums__note { margin-top: 28px; font-size: 11px; opacity: .6; }

  /* 共通の見出し */
  .sec { padding: 92px 0; }
  .sec--paper { background: var(--paper); }
  .sec__h { margin-bottom: 44px; }
  .sec__h h2 { font-size: clamp(26px, 6vw, 40px); line-height: 1.5; letter-spacing: .06em; margin-top: 14px; font-weight: 700; }
  .sec__h p { margin-top: 18px; color: var(--sub); font-size: 15px; max-width: 40em; }

  /* 私たちについて */
  .about { display: grid; gap: 40px; }
  .about__text p { font-size: 16px; line-height: 2.15; margin-bottom: 1.2em; }
  .about__photo { position: relative; }
  .about__photo img { width: 100%; height: auto; aspect-ratio: 4 / 5; object-fit: cover; }
  .about__photo figcaption { margin-top: 10px; font-size: 11px; color: var(--sub); letter-spacing: .06em; }

  /* 理念 */
  .mvv { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
  .mvv article { background: #fff; padding: 34px 26px 36px; }
  .mvv .en { font-size: 30px; color: var(--green); display: block; }
  .mvv small { font-size: 12px; color: var(--sub); letter-spacing: .14em; }
  .mvv h3 { font-size: 20px; line-height: 1.6; margin: 18px 0 12px; letter-spacing: .04em; }
  .mvv p { font-size: 14px; color: var(--sub); line-height: 2; }

  /* 事業 */
  .biz { display: grid; gap: 18px; }
  .biz a { position: relative; display: grid; grid-template-columns: auto 1fr; gap: 6px 20px; background: #fff; border: 1px solid var(--line); border-radius: 2px; padding: 28px 24px; transition: border-color .25s, transform .25s, box-shadow .25s; }
  .biz a:hover { border-color: var(--green); }
  .biz__no { grid-row: span 3; font-family: var(--serif); font-size: 34px; line-height: 1; color: var(--gold); }
  .biz h3 { font-size: 18px; letter-spacing: .04em; line-height: 1.5; }
  .biz p { font-size: 14px; color: var(--sub); line-height: 1.95; }
  .biz em { font-style: normal; font-size: 12.5px; font-weight: 700; color: var(--green); letter-spacing: .06em; margin-top: 6px; }
  .biz em::after { content: " →"; }

  /* 自社ブランド */
  .brand { position: relative; color: #fff; background: var(--deep); }
  
  
  .brand .wrap { position: relative; z-index: 2; padding-top: 96px; padding-bottom: 96px; }
  .brand h2 { font-size: clamp(26px, 6vw, 40px); line-height: 1.5; letter-spacing: .06em; margin: 14px 0 18px; }
  .brand p { max-width: 34em; font-size: 15px; line-height: 2.05; opacity: .95; }
  .brand .eyebrow { color: #e9d6ad; }
  .brand__btns { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
  .btn { display: inline-flex; align-items: center; gap: 10px; border-radius: 999px; padding: 14px 26px; font-size: 14px; font-weight: 700; letter-spacing: .06em; transition: background .2s, color .2s; }
  .btn--w { background: #fff; color: var(--deep); }
  .btn--w:hover { background: var(--paper); }
  .btn--line { border: 1px solid rgba(255,255,255,.6); color: #fff; }
  .btn--line:hover { background: rgba(255,255,255,.12); }
  .btn--g { background: var(--green); color: #fff; }
  .btn--g:hover { background: var(--deep); }

  /* 会社概要 */
  .info { border-top: 1px solid var(--ink); }
  .info div { display: grid; grid-template-columns: 1fr; gap: 4px; padding: 20px 2px; border-bottom: 1px solid var(--line); }
  .info dt { font-size: 12.5px; color: var(--sub); letter-spacing: .14em; }
  .info dd { font-size: 15.5px; line-height: 1.85; }

  /* SNS */
  .ch { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .ch a { display: flex; align-items: center; gap: 12px; padding: 18px 16px; border: 1px solid var(--line); border-radius: 2px; background: #fff; font-size: 14px; font-weight: 700; letter-spacing: .04em; transition: border-color .2s; }
  .ch a:hover { border-color: var(--green); }
  .ch svg { flex: none; color: var(--green); }
  .ch small { display: block; font-weight: 400; font-size: 11.5px; color: var(--sub); letter-spacing: .02em; }

  /* お問い合わせ */
  .contact { background: var(--deep); color: #fff; text-align: center; padding: 88px 0; }
  .contact h2 { font-size: clamp(24px, 5.6vw, 36px); line-height: 1.6; letter-spacing: .06em; margin: 14px 0 16px; }
  .contact p { font-size: 14.5px; opacity: .85; max-width: 34em; margin: 0 auto 30px; }
  .contact .eyebrow { color: #e9d6ad; justify-content: center; }
  .contact .eyebrow::after { content: ""; width: 28px; height: 1px; background: currentColor; }

  .ft { background: #0c211e; color: #9fb2ad; font-size: 12.5px; padding: 34px 0 40px; }
  .ft .wrap { display: flex; flex-direction: column; gap: 18px; align-items: center; }
  .ft nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 22px; }
  .ft nav a:hover { color: #fff; }
  .ft small { font-family: var(--serif); letter-spacing: .12em; font-size: 13px; }

  /* 少しずつ現れる */
  .rv { opacity: 0; transform: translateY(18px); transition: opacity .9s ease, transform .9s ease; }
  .rv.on { opacity: 1; transform: none; }
  @media (prefers-reduced-motion: reduce) { .rv { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }

  @media (min-width: 768px) {
    .wrap { padding: 0 40px; }
    .hd nav { display: flex; }
    .hero__in { padding-bottom: 96px; }
    .hero p { font-size: 16px; }
    .nums { padding: 72px 0 76px; }
    .nums__grid { grid-template-columns: repeat(5, 1fr); gap: 24px; }
    .sec { padding: 128px 0; }
    .about { grid-template-columns: 1.1fr .9fr; gap: 72px; align-items: center; }
    .mvv { grid-template-columns: repeat(3, 1fr); }
    .mvv article { padding: 44px 34px 48px; }
    .biz { grid-template-columns: repeat(2, 1fr); gap: 22px; }
    .biz a { padding: 34px 32px; }
    .info div { grid-template-columns: 200px 1fr; padding: 24px 4px; }
    .info dt { padding-top: 2px; }
    .ch { grid-template-columns: repeat(3, 1fr); }
    .ft .wrap { flex-direction: row; justify-content: space-between; }
  }
  @media (min-width: 1100px) {
    .biz { grid-template-columns: repeat(3, 1fr); }
  }

/* ===== 階層ページ用の追加 ===== */
.hd.is-solid { position: sticky; top: 0; background: rgba(255,255,255,.96); backdrop-filter: saturate(1.4) blur(8px); border-bottom: 1px solid var(--line); }
.hd.is-solid .hd__logo { color: var(--ink); }
.hd.is-solid .hd__logo img { filter: none; }
.hd.is-solid .hd__logo small { border-left-color: var(--line); color: var(--sub); }
.hd.is-solid nav, .hd.is-solid nav a { color: var(--ink); }
.hd.is-solid .hd__cta { color: var(--deep); border-color: var(--deep); }
.hd.is-solid .hd__cta:hover { background: var(--deep); color: #fff; }
.hd.is-solid .hd__menu span { background: var(--ink); }
.hd__right { display: flex; align-items: center; gap: 14px; }
.hd nav { align-items: center; }
.hd__dd { position: relative; }
.hd__dd > a::after { content: ""; display: inline-block; width: 6px; height: 6px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(45deg); margin: 0 0 3px 8px; }
.hd__sub { position: absolute; left: 50%; top: 100%; transform: translateX(-50%); padding-top: 14px; display: none; }
.hd__dd:hover .hd__sub, .hd__dd:focus-within .hd__sub { display: block; }
.hd__sub div { background: #fff; color: var(--ink); border: 1px solid var(--line); border-radius: 2px;  padding: 8px; min-width: 250px; }
.hd__sub a { display: block; padding: 10px 14px; border-radius: 2px; color: var(--ink) !important; opacity: 1 !important; font-size: 13px; letter-spacing: .04em; }
.hd__sub a:hover { background: var(--paper); text-decoration: none !important; }
.hd__menu { width: 40px; height: 40px; display: inline-flex; flex-direction: column; justify-content: center; align-items: center; gap: 6px; background: none; border: 0; cursor: pointer; }
.hd__menu span { width: 22px; height: 1.6px; background: #fff; display: block; }
.dr { position: fixed; inset: 0; z-index: 50; background: var(--deep); color: #fff; padding: 22px 24px 40px; overflow-y: auto; display: none; }
.dr.open { display: block; }
.dr__top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 26px; }
.dr__top img { height: 24px; filter: brightness(0) invert(1); }
.dr__close { background: none; border: 0; color: #fff; font-size: 13px; letter-spacing: .1em; cursor: pointer; display: flex; align-items: center; gap: 8px; }
.dr a { display: flex; justify-content: space-between; padding: 16px 2px; border-bottom: 1px solid rgba(255,255,255,.14); font-size: 15px; letter-spacing: .06em; }
.dr a::after { content: "→"; opacity: .6; }
.dr a.sub { padding-left: 18px; font-size: 13.5px; color: #cfdcd8; }
.dr .btn { margin-top: 26px; display: inline-flex; border: 0; }
.dr .btn::after { content: none; }

/* 下層ページの見出し */
.ph { position: relative; color: #fff; background: var(--deep); overflow: hidden; }


.ph .wrap { position: relative; z-index: 2; padding-top: 70px; padding-bottom: 64px; }
.ph h1 { font-size: clamp(28px, 7vw, 52px); line-height: 1.4; letter-spacing: .06em; margin-top: 14px; }
.ph p { margin-top: 16px; font-size: 15px; max-width: 36em; opacity: .92; }
.ph .eyebrow { color: #e9d6ad; }
.bc { background: var(--paper); border-bottom: 1px solid var(--line); }
.bc ol { list-style: none; display: flex; flex-wrap: wrap; gap: 4px 0; padding: 12px 0; font-size: 12px; color: var(--sub); }
.bc li + li::before { content: "/"; margin: 0 10px; color: #b7b0a2; }
.bc a:hover { color: var(--green); text-decoration: underline; }

/* 本文の部品 */
.lead { font-size: 17px; line-height: 2.1; max-width: 42em; }
.lead + .lead { margin-top: 1em; }
.cols { display: grid; gap: 40px; }
.feat { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.feat article { background: #fff; padding: 30px 24px; }
.feat b.no { font-family: var(--serif); font-size: 15px; color: var(--gold); letter-spacing: .14em; }
.feat h3 { font-size: 18px; margin: 10px 0 10px; letter-spacing: .04em; line-height: 1.6; }
.feat p { font-size: 14px; color: var(--sub); line-height: 1.95; }
.feat a.more { display: inline-block; margin-top: 12px; font-size: 12.5px; font-weight: 700; color: var(--green); letter-spacing: .06em; }
.feat a.more::after { content: " →"; }
.steps { counter-reset: s; display: grid; gap: 14px; }
.steps li { list-style: none; counter-increment: s; display: grid; grid-template-columns: 56px 1fr; gap: 4px 16px; background: #fff; border: 1px solid var(--line); border-radius: 2px; padding: 22px 20px; }
.steps li::before { content: counter(s, decimal-leading-zero); grid-row: span 2; font-family: var(--serif); font-size: 30px; color: var(--gold); line-height: 1; }
.steps b { font-size: 16px; letter-spacing: .04em; }
.steps span { font-size: 13.5px; color: var(--sub); line-height: 1.9; }
.stat { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px 18px; }
.stat b { display: block; font-family: var(--serif); font-weight: 600; font-size: clamp(36px, 9vw, 54px); line-height: 1; color: var(--deep); }
.stat b small { font-size: .42em; margin-left: 3px; }
.stat span { display: block; margin-top: 8px; font-size: 12.5px; color: var(--sub); border-top: 1px solid var(--line); padding-top: 8px; }
.note { font-size: 11.5px; color: var(--sub); margin-top: 18px; }
.tl { border-left: 1px solid var(--line); margin-left: 6px; }
.tl div { position: relative; padding: 0 0 30px 26px; }
.tl div::before { content: ""; position: absolute; left: -5px; top: 9px; width: 9px; height: 9px; border-radius: 50%; background: var(--gold); }
.tl dt { font-family: var(--serif); font-size: 18px; color: var(--green); letter-spacing: .08em; }
.tl dd { font-size: 15px; margin-top: 4px; }
.logo-tile { background: #fff; border-radius: 2px; padding: 18px 22px; width: 180px;  }
.logo-tile img { width: 100%; height: auto; }
.prods { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.prods a { background: #fff; border: 1px solid var(--line); border-radius: 2px; padding: 10px 10px 14px; display: flex; flex-direction: column; gap: 6px; transition: border-color .2s; }
.prods a:hover { border-color: var(--green); }
.prods span.img { aspect-ratio: 1 / 1; overflow: hidden; border-radius: 3px; background: #f4f2ee; display: block; }
.prods img { width: 100%; height: 100%; object-fit: cover; }
.prods b { font-size: 13px; line-height: 1.55; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.prods small { font-size: 12px; color: var(--sub); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips span { border: 1px solid var(--line); border-radius: 999px; padding: 6px 14px; font-size: 13px; background: #fff; }
.next { display: grid; gap: 12px; }
.next a { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 20px 22px; background: #fff; border: 1px solid var(--line); border-radius: 2px; font-weight: 700; letter-spacing: .04em; transition: border-color .2s; }
.next a:hover { border-color: var(--green); }
.next a small { display: block; font-weight: 400; font-size: 12px; color: var(--sub); margin-top: 2px; }
.next a::after { content: "→"; color: var(--green); }
.split { display: grid; gap: 34px; align-items: center; }
.split figure { overflow: hidden; border-radius: 2px; aspect-ratio: 4 / 3; }
.split figure img { width: 100%; height: 100%; object-fit: cover; }
.h3 { font-size: 22px; letter-spacing: .05em; line-height: 1.6; margin-bottom: 16px; }
.mt { margin-top: 56px; }

@media (min-width: 768px) {
  .hd__menu { display: none; }
  .ph .wrap { padding-top: 120px; padding-bottom: 92px; }
  .cols { grid-template-columns: 1fr 1fr; gap: 64px; }
  .feat { grid-template-columns: repeat(2, 1fr); }
  .feat article { padding: 38px 34px; }
  .stat { grid-template-columns: repeat(4, 1fr); }
  .prods { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
  .next { grid-template-columns: repeat(3, 1fr); }
  .split { grid-template-columns: 1fr 1fr; gap: 64px; }
  .split.rev figure { order: 2; }
  .steps { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1100px) { .feat.three { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 767px) { .hd .hd__cta { display: none; } }

/* フラットに：影・グラデーションを使わない。下層の見出しは色の面だけ */
.ph { background: var(--deep); }
.ph .wrap { padding-top: 64px; padding-bottom: 60px; }
.hd.is-solid { background: #fff; backdrop-filter: none; }
.btn { border-radius: 2px; }
.hd__cta { border-radius: 2px; }
.brand .logo-tile { border-radius: 2px; }
@media (min-width: 768px) { .ph .wrap { padding-top: 96px; padding-bottom: 84px; } }

/* お問い合わせフォーム */
.cf { max-width: 760px; margin: 0 auto; }
.cf-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; }
.cf-chip { border: 1px solid var(--line); background: #fff; color: var(--ink); border-radius: 2px; padding: 9px 16px; font-size: 13px; letter-spacing: .04em; cursor: pointer; font-family: inherit; }
.cf-chip.on { background: var(--deep); border-color: var(--deep); color: #fff; }
.cf-form { border-top: 1px solid var(--ink); padding-top: 26px; }
.cf-row { display: flex; flex-direction: column; gap: 8px; margin-bottom: 22px; }
.cf-row label { font-size: 13px; font-weight: 700; letter-spacing: .06em; display: flex; align-items: center; gap: 8px; }
.cf-row em, .cf-row i { font-style: normal; font-size: 10.5px; font-weight: 700; letter-spacing: .06em; padding: 2px 6px; border-radius: 2px; }
.cf-row em { background: var(--deep); color: #fff; }
.cf-row i { border: 1px solid var(--line); color: var(--sub); }
.cf-row input, .cf-row select, .cf-row textarea { width: 100%; border: 1px solid var(--line); border-radius: 2px; background: #fff; padding: 13px 14px; font-size: 16px; font-family: inherit; color: var(--ink); }
.cf-row input:focus, .cf-row select:focus, .cf-row textarea:focus { outline: none; border-color: var(--green); }
.cf-row textarea { resize: vertical; line-height: 1.8; }
.cf-2 { display: grid; gap: 0 18px; }
.cf-note { font-size: 12.5px; color: var(--sub); line-height: 1.9; background: var(--paper); padding: 14px 16px; }
.cf-note a, .cf-shop a { color: var(--green); text-decoration: underline; text-underline-offset: 3px; }
.cf-check { display: flex; align-items: center; gap: 10px; margin: 18px 0 20px; font-size: 14px; cursor: pointer; }
.cf-check input { width: 18px; height: 18px; accent-color: var(--green); }
.cf-err { color: #b3261e; font-size: 13px; margin-bottom: 14px; }
.cf-send { border: 0; width: 100%; justify-content: center; font-family: inherit; cursor: pointer; }
.cf-send:disabled { background: #b9bfbc; cursor: not-allowed; }
.cf-shop { margin-top: 20px; font-size: 13px; color: var(--sub); }
.cf-done p { color: var(--sub); margin-bottom: 24px; }
@media (min-width: 768px) { .cf-2 { grid-template-columns: 1fr 1fr; } .cf-send { width: auto; padding: 15px 56px; } }