/* 双立商事株式会社 — Steep 骨格 + 深緑アクセント
   緑は面で塗らない。下線・枠線・アイコンのみ（全体の約5%）。 */

:root {
  /* Surfaces — 紙の地色を基調に */
  --paper: #f1efe8;
  --paper-deep: #eae7de;
  --canvas: #fffefb;
  --mist: #f2f2f3;

  /* Ink */
  --ink: #17191c;
  --ink-soft: #4a4d52;
  --slate: #777b86;
  --ash: #979799;
  --hairline: #ddd9cf;

  /* Accent — 深い葉緑。若葉色は使わない */
  --leaf: #3b6d11;
  --leaf-deep: #27500a;

  /* Type */
  --serif: "Shippori Mincho", "Noto Serif JP", ui-serif, Georgia, "Times New Roman", serif;
  --sans: "Noto Sans JP", ui-sans-serif, system-ui, -apple-system, "Helvetica Neue", sans-serif;

  --max: 1200px;
  --gap: clamp(64px, 9vw, 112px);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.75;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  letter-spacing: 0.01em;
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 clamp(20px, 5vw, 40px); }
.section { padding: var(--gap) 0; }
.section--canvas { background: var(--canvas); }
.section--deep { background: var(--paper-deep); }

/* ---------- Type ---------- */
.display, .h1, .h2, .h3 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.28;
  letter-spacing: -0.02em;
  margin: 0;
}
.display { font-size: clamp(38px, 6.6vw, 82px); letter-spacing: -0.025em; }
.h1 { font-size: clamp(32px, 4.6vw, 60px); }
.h2 { font-size: clamp(28px, 3.4vw, 44px); }
.h3 { font-size: clamp(20px, 2vw, 26px); line-height: 1.4; letter-spacing: -0.01em; }
.serif-em { font-style: italic; }

.lede { font-size: clamp(17px, 1.4vw, 20px); color: var(--ink-soft); max-width: 42em; line-height: 1.85; }
.body { max-width: 40em; }
.muted { color: var(--slate); }

/* セクション見出しのラベル — 緑はここに1本だけ */
.eyebrow {
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--leaf);
  display: inline-block;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--leaf);
  margin-bottom: 28px;
}
.tag { font-size: 13px; letter-spacing: 0.12em; color: var(--ash); text-transform: uppercase; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px);
}
.nav__inner {
  display: flex; align-items: center; gap: 32px;
  padding: 20px clamp(20px, 5vw, 40px);
  max-width: var(--max); margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 12px; margin-right: auto; }
.brand__mark { width: 30px; height: 30px; flex: none; }
.brand__name { font-family: var(--serif); font-size: 20px; letter-spacing: 0.04em; }
.brand__name small { display: block; font-family: var(--sans); font-size: 10px; letter-spacing: 0.22em; color: var(--ash); text-transform: uppercase; }
.nav__links { display: flex; gap: 28px; font-size: 15px; }
.nav__links a { padding: 2px 0; border-bottom: 1px solid transparent; }
.nav__links a:hover, .nav__links a[aria-current="page"] { border-bottom-color: var(--leaf); }
@media (max-width: 760px) {
  .nav__inner { gap: 16px; flex-wrap: wrap; }
  .nav__links { gap: 18px; font-size: 14px; width: 100%; }
  .nav .btn { display: none; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--sans); font-size: 15px; line-height: 1;
  padding: 15px 26px; border-radius: 9999px;
  border: 1px solid var(--ink); background: var(--ink); color: var(--canvas);
  transition: background .2s ease, color .2s ease, border-color .2s ease;
  cursor: pointer;
}
.btn:hover { background: var(--leaf-deep); border-color: var(--leaf-deep); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--leaf); }
.btn--ghost:hover { background: transparent; color: var(--leaf-deep); border-color: var(--leaf-deep); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }

.arrow-link { display: inline-flex; gap: 8px; align-items: center; font-size: 15px; padding: 16px 0; border-bottom: 1px solid transparent; }
.arrow-link:hover { border-bottom-color: var(--ink); }
.arrow-link span { color: var(--leaf); }

/* ---------- Hero ---------- */
.hero { padding: clamp(56px, 9vw, 112px) 0 var(--gap); }
.hero__grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero__art { border-radius: 20px; overflow: hidden; max-height: 78vh; box-shadow: 0 0 0 1px rgba(4,23,43,.05), 0 20px 25px -5px rgba(0,0,0,.08), 0 8px 10px -6px rgba(0,0,0,.08); }
.hero__art img { width: 100%; height: 100%; object-fit: cover; object-position: center 88%; }
@media (max-width: 1000px) { .hero__grid { grid-template-columns: 1fr; } .hero__art { max-height: 52vh; } }

/* 浮かせる小カード（Steep の Floating Product Artifact を数値カードに転用） */
.floats { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 44px; }
.float-card {
  background: var(--canvas); border-radius: 20px; padding: 18px 22px;
  box-shadow: 0 0 0 1px rgba(4,23,43,.05), 0 20px 25px -5px rgba(0,0,0,.07), 0 8px 10px -6px rgba(0,0,0,.07);
}
.float-card__num { font-family: var(--serif); font-size: 30px; line-height: 1.1; }
.float-card__num em { font-style: normal; font-size: 15px; font-family: var(--sans); color: var(--slate); margin-left: 4px; }
.float-card__label { font-size: 13px; color: var(--slate); letter-spacing: .06em; margin-top: 4px; }

/* ---------- Grids / Cards ---------- */
.grid { display: grid; gap: 24px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) { .grid--3, .grid--2 { grid-template-columns: 1fr; } }

.card { background: var(--canvas); border-radius: 24px; padding: 32px 28px; }
.card--mist { background: var(--paper-deep); }
.card__icon { width: 44px; height: 44px; margin-bottom: 20px; }
.card .h3 { margin-bottom: 12px; }
.card p { margin: 0; color: var(--ink-soft); font-size: 16px; }

.step { display: grid; grid-template-columns: 56px 1fr; gap: 20px; align-items: start; }
.step__no { font-family: var(--serif); font-size: 22px; color: var(--leaf); border-top: 1px solid var(--leaf); padding-top: 10px; }

/* 作物リスト — 罫線だけの一覧 */
.crops { border-top: 1px solid var(--hairline); margin-top: 40px; }
.crop {
  display: grid; grid-template-columns: 64px 1fr 1fr auto; gap: 20px; align-items: center;
  padding: 22px 4px; border-bottom: 1px solid var(--hairline);
}
.crop__art { width: 48px; height: 48px; }
.crop__name { font-family: var(--serif); font-size: 22px; }
.crop__name small { display: block; font-family: var(--sans); font-size: 12px; letter-spacing: .12em; color: var(--ash); }
.crop__note { font-size: 15px; color: var(--ink-soft); }
.crop__season { font-size: 13px; letter-spacing: .1em; color: var(--leaf); white-space: nowrap; }
@media (max-width: 760px) {
  .crop { grid-template-columns: 48px 1fr; }
  .crop__note, .crop__season { grid-column: 2; }
}

/* 2カラム text + art */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.split--reverse .split__art { order: -1; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; } .split--reverse .split__art { order: 0; } }
.split__art { border-radius: 20px; overflow: hidden; }

/* 図版 — 幅いっぱいに置く図（カレンダー・圃場図・タイムライン） */
.figure { margin: 0; }
.figure__frame {
  background: var(--canvas); border-radius: 20px; overflow: hidden;
  box-shadow: 0 0 0 1px rgba(4,23,43,.05), 0 20px 25px -5px rgba(0,0,0,.06), 0 8px 10px -6px rgba(0,0,0,.06);
}
.figure--flat .figure__frame { box-shadow: none; background: transparent; }
.figure figcaption { margin-top: 16px; font-size: 14px; color: var(--slate); }
.figure figcaption b { font-weight: 400; color: var(--ink); }
/* 横に長い図はスマホで横スクロールさせる（縮小して潰さない） */
.figure__scroll { overflow-x: auto; }
.figure__scroll img { min-width: 720px; }

/* 地図 — クリックで読み込む。色は落として紙に馴染ませる */
.map {
  position: relative; border-radius: 20px; overflow: hidden;
  aspect-ratio: 4 / 3; background: var(--paper-deep);
  box-shadow: 0 0 0 1px rgba(4,23,43,.06);
}
.map__still {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: center 62%; opacity: .5;
}
.map__load {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 10px;
  border: 0; background: color-mix(in srgb, var(--paper) 58%, transparent);
  font: inherit; font-size: 15px; color: var(--ink); cursor: pointer;
}
.map__load:hover { background: color-mix(in srgb, var(--paper) 42%, transparent); }
.map__pin {
  width: 44px; height: 44px; border-radius: 9999px;
  display: grid; place-items: center;
  border: 1px solid var(--leaf); color: var(--leaf); background: var(--canvas);
}
.map iframe {
  position: absolute; inset: 0; width: 100%; height: 100%; border: 0;
  /* ピンが判別できる程度に色を残す */
  filter: grayscale(.55) contrast(.95) sepia(.1);
}
.map.is-loaded .map__load, .map.is-loaded .map__still { display: none; }

/* 社名キャプション — 地図を動かしてもずれない位置に置く */
.map__caption {
  position: absolute; left: 12px; right: 12px; bottom: 12px; z-index: 2;
  background: color-mix(in srgb, var(--canvas) 92%, transparent);
  backdrop-filter: blur(6px);
  border-left: 2px solid var(--leaf);
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 13px; line-height: 1.6; color: var(--ink-soft);
  pointer-events: none;
}
.map__caption strong { display: block; font-family: var(--serif); font-size: 17px; font-weight: 400; color: var(--ink); }
.map:not(.is-loaded) .map__caption { display: none; }

/* 引用 — 深緑の面はここ1ブロックだけ */
.quote {
  background: var(--leaf-deep); color: #f4f2ea; border-radius: 24px;
  padding: clamp(40px, 6vw, 72px);
}
.quote p { font-family: var(--serif); font-size: clamp(22px, 2.6vw, 34px); line-height: 1.6; margin: 0; }
.quote footer { margin-top: 28px; font-size: 14px; letter-spacing: .1em; color: rgba(244,242,234,.66); }

/* 会社概要テーブル */
.facts { width: 100%; border-collapse: collapse; margin-top: 8px; }
.facts th, .facts td { text-align: left; padding: 20px 8px; border-bottom: 1px solid var(--hairline); font-weight: 400; vertical-align: top; }
.facts th { width: 180px; font-size: 14px; letter-spacing: .1em; color: var(--slate); }
.facts td { font-size: 16px; }
@media (max-width: 620px) {
  .facts th, .facts td { display: block; border-bottom: none; padding: 4px 0; }
  .facts td { padding-bottom: 20px; border-bottom: 1px solid var(--hairline); }
  .facts th { width: auto; padding-top: 20px; }
}

/* CTA 帯 */
.cta { text-align: center; }
.cta .h2 { margin-bottom: 20px; }
.cta .lede { margin: 0 auto; }

/* Footer */
.footer { background: var(--canvas); padding: var(--gap) 0 44px; }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
@media (max-width: 760px) { .footer__grid { grid-template-columns: 1fr; } }
.footer h4 { font-size: 13px; letter-spacing: .14em; color: var(--ash); text-transform: uppercase; margin: 0 0 16px; font-weight: 400; }
.footer ul { list-style: none; padding: 0; margin: 0; font-size: 15px; }
.footer li { margin-bottom: 10px; }
.footer li a:hover { border-bottom: 1px solid var(--leaf); }
.footer__bottom { margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--hairline); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13px; color: var(--ash); }

/* お問い合わせ */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 72px); }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }
.field { display: block; margin-bottom: 20px; }
.field span { display: block; font-size: 14px; color: var(--slate); margin-bottom: 8px; letter-spacing: .06em; }
.field input, .field textarea, .field select {
  width: 100%; font: inherit; font-size: 16px; color: var(--ink);
  background: var(--canvas); border: 1px solid var(--hairline); border-radius: 16px; padding: 14px 16px;
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--leaf); }
.field textarea { min-height: 150px; resize: vertical; }

/* 読み込み時のわずかな立ち上がり。
   .js は JS 側が付与する。JS が動かない環境で内容が消えないようにするためのガード。 */
@media (prefers-reduced-motion: no-preference) {
  .js .rise { opacity: 0; transform: translateY(14px); transition: opacity .7s ease, transform .7s ease; }
  .js .rise.is-in { opacity: 1; transform: none; }
}