/* =========================================================
   クトウテン — トークン
   ========================================================= */
:root{
  --paper: #EEECE3;
  --paper-deep: #E5E1D3;
  --ink: #201E1A;
  --ink-soft: #6B6558;
  --shu: #C0341B;
  --grid: #A9B6A9;

  --serif: "Zen Old Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --sans: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", sans-serif;

  --measure: 40rem;
  --gutter: clamp(1.5rem, 5vw, 4rem);
  --section-pad: clamp(4rem, 11vw, 7rem);

  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* =========================================================
   リセット / ベース
   ========================================================= */
*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 400;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, p, dl, dd{ margin: 0; }
a{ color: inherit; }
::selection{ background: var(--shu); color: var(--paper); }

:focus-visible{
  outline: 2px solid var(--shu);
  outline-offset: 3px;
}

.sr-only{
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.skip-link{
  position: absolute;
  left: -999px;
  background: var(--ink);
  color: var(--paper);
  padding: 0.75rem 1.25rem;
  z-index: 100;
}
.skip-link:focus{ left: 1rem; top: 1rem; }

/* =========================================================
   ヘッダー
   ========================================================= */
.site-header{
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem var(--gutter);
  background: var(--paper);
}

.brand-mark{
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-decoration: none;
  color: var(--ink);
}

.site-nav a{
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-decoration: none;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--ink-soft);
  padding-bottom: 2px;
}
.site-nav a:hover{ color: var(--shu); border-color: var(--shu); }

/* =========================================================
   ヒーロー — 原稿用紙
   ========================================================= */
.hero{
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem var(--gutter) 4rem;
}

.hero-title{ line-height: 1; }

.genko{
  display: inline-flex;
  border-top: 1px solid var(--grid);
  border-left: 1px solid var(--grid);
  opacity: 0;
  transform: translateY(10px);
  animation: genko-in 0.7s var(--ease) 0.2s forwards;
}

.cell{
  width: clamp(2.1rem, 6.4vw, 4.6rem);
  height: clamp(2.1rem, 6.4vw, 4.6rem);
  display: flex;
  align-items: center;
  justify-content: center;
  border-right: 1px solid var(--grid);
  border-bottom: 1px solid var(--grid);
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(1.2rem, 3.3vw, 2.5rem);
  color: var(--ink);
  position: relative;
}

@keyframes genko-in{
  to{ opacity: 1; transform: translateY(0); }
}

.hero-en{
  margin-top: 1.6rem;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.4em;
  color: var(--ink-soft);
  padding-left: 0.4em;
}

/* =========================================================
   セクション見出し（原稿用紙のマス目）
   ========================================================= */
.section-heading{ margin-bottom: 2.2rem; }

.word-grid{
  display: inline-flex;
  border-top: 1px solid var(--grid);
  border-left: 1px solid var(--grid);
}
.wcell{
  width: 2.15rem;
  height: 2.15rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-right: 1px solid var(--grid);
  border-bottom: 1px solid var(--grid);
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--ink);
}

.lead{
  font-family: var(--serif);
  font-size: clamp(1.35rem, 2.8vw, 1.8rem);
  font-weight: 600;
  line-height: 1.65;
  color: var(--ink);
  margin-bottom: 1.5rem;
}

.lead-list{ margin-bottom: 1.5rem; }
.lead-list .lead{ margin-bottom: 0.35rem; }
.lead-list .lead:last-child{ margin-bottom: 0; }

.body-text{
  max-width: var(--measure);
  color: var(--ink-soft);
  font-size: 1.01rem;
}

/* =========================================================
   セクション共通
   ========================================================= */
.section{
  padding: var(--section-pad) var(--gutter);
  border-top: 1px solid rgba(32, 30, 26, 0.12);
}
.section-inner{ max-width: 42rem; margin: 0 auto; text-align: left; }

/* --- 事業内容：ブランド一覧 --- */
.list-label{
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 3.4rem 0 1.6rem;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--ink-soft);
}
.list-label::before{
  content: "";
  width: 1.5rem;
  height: 1px;
  background: var(--ink-soft);
  flex-shrink: 0;
}

.brand-showcase{
  position: relative;
  display: flex;
  align-items: center;
  gap: 1.4rem;
  padding: 1.6rem 1.25rem 2.2rem;
  margin-top: 0.5rem;
  border: 1px solid rgba(32, 30, 26, 0.14);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.brand-showcase:hover{
  border-color: var(--shu);
  background: rgba(255, 255, 255, 0.12);
}
.brand-showcase:hover .view-more .ext-arrow{ transform: translate(2px, -2px); }

.brand-showcase--soon{
  display: block;
  text-align: center;
  padding: 2.6rem 1.25rem;
  border-style: dashed;
  border-color: rgba(32, 30, 26, 0.25);
}
.brand-showcase--soon:hover{
  border-color: rgba(32, 30, 26, 0.25);
  background: none;
}

.coming-soon{
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}

.brand-logo-frame{
  width: 4.6rem;
  height: 4.6rem;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-logo-icon{
  width: 88%;
  height: auto;
  display: block;
}

.brand-info{ min-width: 0; }

.brand-name-plain{
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(1.4rem, 3.2vw, 1.75rem);
  color: var(--ink);
}

.view-more{
  position: absolute;
  right: 1.25rem;
  bottom: 0.85rem;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}

.ext-arrow{
  font-size: 0.9em;
  color: var(--shu);
  display: inline-block;
  transition: transform 0.2s var(--ease);
}

.ink-mark{
  position: relative;
  display: inline-block;
  padding: 0.3em 0.7em;
}
.ink-mark-svg{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}
.ink-mark-svg path{
  fill: none;
  stroke: var(--shu);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  transition: stroke-dashoffset 1.15s var(--ease);
}
.ink-mark.is-drawn .ink-mark-svg path{ stroke-dashoffset: 0; }

.ink-mark-text{
  position: relative;
  z-index: 1;
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  color: var(--ink);
}

.brand-note{
  margin-top: 0.4rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

/* --- 会社概要（奥付） --- */
.about{ background: var(--paper-deep); }

.colophon{
  border-top: 1px solid var(--ink);
  margin-top: 2.5rem;
}
.colophon-row{
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: 1.5rem;
  padding: 1.3rem 0;
  border-bottom: 1px solid rgba(32, 30, 26, 0.14);
}
.colophon-row dt{
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
}
.colophon-row dd{
  font-family: var(--serif);
  font-size: 1.03rem;
  color: var(--ink);
}
.colophon-row .en{
  font-family: var(--sans);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

/* --- お問い合わせ --- */
.contact .lead{ margin-bottom: 1.6rem; }

.mail-link{
  display: block;
  width: fit-content;
  margin: 0 auto;
  text-decoration: none;
}
.mail-link .ink-mark-text{ font-size: clamp(1.15rem, 3vw, 1.5rem); }
.mail-link:hover .ink-mark-svg path{ stroke-width: 3.2; }

/* =========================================================
   フッター
   ========================================================= */
.site-footer{
  padding: 3rem var(--gutter) 3.5rem;
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
}
.site-footer p{ margin: 0.3rem 0; }

/* =========================================================
   レスポンシブ
   ========================================================= */
@media (max-width: 640px){
  .colophon-row{
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }
}

/* =========================================================
   モーション低減
   ========================================================= */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  .genko{ animation: none; opacity: 1; transform: none; }
  .ink-mark-svg path{ transition: none; stroke-dashoffset: 0; }
}