@charset "UTF-8";

/* ============================================================
   協和ガラス株式会社 スタイルシート
   色・余白・文字サイズはこの :root でまとめて変更できます
   ============================================================ */

:root {
  /* 色 */
  --color-black: #0c0f10;
  --color-white: #ffffff;
  --color-gray: #5c666a;
  --color-border: #dce2e2;
  --color-ink: #16191a;
  --color-ink-soft: #39433f;
  --color-mist: #f2f5f5;
  --color-steel: #1a1f21;
  /* アクセント：ガラスの小口（切断面）の色 */
  --color-edge: #1b6b5e;
  --color-edge-dark: #14544a;
  --color-edge-tint: #e8f1ef;

  /* 文字 */
  --font-base: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP",
    "Yu Gothic Medium", "游ゴシック Medium", YuGothic, "Yu Gothic", Meiryo, sans-serif;
  --font-num: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", sans-serif;

  /* 余白 */
  --space-section: clamp(72px, 9vw, 140px);
  --container: 1120px;
  --gutter: clamp(20px, 5vw, 48px);

  /* ヘッダー高さ */
  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-base);
  font-size: 16px;
  line-height: 1.9;
  color: var(--color-ink);
  background: var(--color-white);
  overflow-x: hidden;
  font-feature-settings: "palt" 1;
}

img { display: block; max-width: 100%; height: auto; }
figure { margin: 0; }
ul, ol, dl, dd { margin: 0; padding: 0; }
li { list-style: none; }
h1, h2, h3, p { margin: 0; }

a {
  color: inherit;
  text-decoration: none;
  transition: color .25s ease, opacity .25s ease;
}

section[id],
main { scroll-margin-top: var(--header-h); }
section[id] { scroll-margin-top: calc(var(--header-h) + 8px); }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--space-section); }

.sp-only { display: none; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--color-black);
  color: #fff;
  padding: 12px 20px;
}
.skip-link:focus { left: 0; }

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

/* ------------------------------------------------------------
   見出しまわりの共通パーツ
   ------------------------------------------------------------ */
.section-label {
  position: relative;
  padding-left: 34px;
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--color-edge);
  margin-bottom: 18px;
}
.section-label::before {
  content: "";
  position: absolute;
  left: 0;
  top: .95em;
  width: 24px;
  height: 1px;
  background: var(--color-edge);
}
.section-label--light { color: #8fd8c9; }
.section-label--light::before { background: #8fd8c9; }

.section-title {
  font-size: clamp(26px, 4.2vw, 42px);
  line-height: 1.45;
  letter-spacing: .01em;
  font-weight: 700;
  color: var(--color-black);
}

/* 日本語の改行位置を自然にする（未対応ブラウザでは無視される） */
.section-title,
.hero__copy,
.hero__sub,
.strength__title,
.use-card__title,
.flow__title,
.contact__title,
.problems__answer { word-break: auto-phrase; }

.section-lead {
  margin-top: 24px;
  max-width: 62ch;
  color: var(--color-ink-soft);
}

.section-head { margin-bottom: clamp(40px, 6vw, 72px); }
.section-head--center {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.section-head--center .section-label { padding-left: 0; padding-top: 18px; }
.section-head--center .section-label::before {
  left: 50%;
  top: 0;
  transform: translateX(-50%);
  width: 32px;
}

.section-actions { margin-top: clamp(36px, 5vw, 56px); }

/* ------------------------------------------------------------
   ボタン
   ------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 14px 30px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .04em;
  border: 1px solid transparent;
  transition: background-color .25s ease, color .25s ease, border-color .25s ease;
}
.btn--primary {
  background: var(--color-edge);
  color: #fff;
  border-color: var(--color-edge);
}
.btn--primary:hover { background: var(--color-edge-dark); border-color: var(--color-edge-dark); }

.btn--ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, .55);
}
.btn--ghost:hover { background: rgba(255, 255, 255, .12); border-color: #fff; }

.btn--light {
  background: #fff;
  color: var(--color-black);
  border-color: #fff;
}
.btn--light:hover { background: var(--color-mist); }

.btn--lg { min-height: 64px; padding-inline: 40px; }

.link-plain {
  display: inline-block;
  margin-top: 20px;
  padding-bottom: 4px;
  font-weight: 700;
  color: var(--color-edge);
  border-bottom: 1px solid currentColor;
}
.link-plain:hover { color: var(--color-edge-dark); }

/* ------------------------------------------------------------
   画像プレースホルダー（画像が未設置でもレイアウトが崩れない）
   ------------------------------------------------------------ */
.media-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.is-missing {
  position: relative;
  background-color: var(--color-mist);
  background-image: repeating-linear-gradient(
    135deg,
    rgba(27, 107, 94, .07) 0 1px,
    transparent 1px 9px
  );
}
.is-missing .media-img { display: none; }
.is-missing::after {
  content: attr(data-missing);
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: .04em;
  color: var(--color-gray);
  text-align: center;
  white-space: pre-line;
}

/* ------------------------------------------------------------
   ヘッダー
   ------------------------------------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: saturate(140%) blur(8px);
  transition: box-shadow .3s ease, background-color .3s ease;
}
.site-header.is-scrolled {
  box-shadow: 0 1px 0 rgba(12, 15, 16, .06), 0 10px 30px -22px rgba(12, 15, 16, .5);
}

.site-header__inner {
  max-width: 1320px;
  margin-inline: auto;
  padding-inline: var(--gutter);
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo { display: flex; align-items: center; gap: 12px; }
.logo__mark {
  width: 26px;
  height: 26px;
  border: 1px solid var(--color-edge);
  background: linear-gradient(135deg, transparent 48%, var(--color-edge) 48% 52%, transparent 52%);
  flex-shrink: 0;
}
.logo__text { display: block; line-height: 1.25; }
.logo__name {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--color-black);
}
.logo__suffix { font-size: 13px; font-weight: 700; color: var(--color-black); }
.logo__tag {
  display: block;
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--color-gray);
}

.gnav { display: flex; align-items: center; gap: 28px; }
.gnav__list { display: flex; align-items: center; gap: 24px; }
.gnav__list a {
  position: relative;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--color-ink-soft);
  padding-block: 6px;
}
.gnav__list a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--color-edge);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s ease;
}
.gnav__list a:hover { color: var(--color-edge); }
.gnav__list a:hover::after { transform: scaleX(1); }

.gnav__sns {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 44px;
  padding: 0 4px;
  color: var(--color-ink-soft);
  font-size: 13.5px;
  font-weight: 700;
}
.gnav__sns:hover { color: var(--color-edge); }
.gnav__sns-text { display: none; }

.gnav__contact {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 22px;
  background: var(--color-edge);
  color: #fff;
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: .04em;
}
.gnav__contact:hover { background: var(--color-edge-dark); }

.header-actions { display: none; align-items: center; gap: 10px; }

.btn-contact-sp {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  background: var(--color-edge);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
}

.burger {
  width: 46px;
  height: 46px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: 1px solid var(--color-border);
  cursor: pointer;
  padding: 0;
}
.burger__bar {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--color-black);
  transition: transform .3s ease, opacity .2s ease;
}
.burger[aria-expanded="true"] .burger__bar:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.burger[aria-expanded="true"] .burger__bar:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] .burger__bar:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(12, 15, 16, .45);
}

/* ------------------------------------------------------------
   SECTION 01 ファーストビュー
   ------------------------------------------------------------ */
.hero {
  position: relative;
  min-height: min(88vh, 760px);
  display: flex;
  align-items: center;
  padding-block: clamp(80px, 12vw, 140px);
  background: var(--color-steel);
  color: #fff;
  overflow: hidden;
}
.hero__media { position: absolute; inset: 0; }
.hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(100deg, rgba(10, 13, 14, .92) 0%, rgba(10, 13, 14, .78) 46%, rgba(10, 13, 14, .5) 100%);
}
.hero__media.is-missing { background-color: #14191a; }
.hero__media.is-missing::after {
  content: "";
  background:
    linear-gradient(100deg, rgba(10, 13, 14, .94) 0%, rgba(16, 24, 25, .8) 55%, rgba(24, 38, 36, .72) 100%),
    repeating-linear-gradient(135deg, rgba(143, 216, 201, .06) 0 1px, transparent 1px 11px);
}

.hero__body {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.hero__eyebrow {
  font-size: 13px;
  letter-spacing: .16em;
  color: #8fd8c9;
  padding-left: 34px;
  position: relative;
  margin-bottom: 22px;
}
.hero__eyebrow::before {
  content: "";
  position: absolute;
  left: 0;
  top: .95em;
  width: 24px;
  height: 1px;
  background: #8fd8c9;
}

.hero__copy {
  font-size: clamp(38px, 8.4vw, 82px);
  line-height: 1.22;
  letter-spacing: .01em;
  font-weight: 700;
  margin-bottom: 26px;
  text-shadow: 0 2px 30px rgba(0, 0, 0, .35);
}

.hero__sub {
  font-size: clamp(17px, 2.4vw, 22px);
  font-weight: 700;
  color: #e7eceb;
  margin-bottom: 26px;
}

.hero__specs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 0;
  margin-bottom: 40px;
}
.hero__specs li {
  font-size: 14px;
  letter-spacing: .05em;
  color: #cdd6d4;
  padding-inline: 16px;
  border-left: 1px solid rgba(255, 255, 255, .28);
}
.hero__specs li:first-child { padding-left: 0; border-left: 0; }

.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }

.hero__scale {
  position: absolute;
  right: var(--gutter);
  bottom: 34px;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 14px;
  color: rgba(255, 255, 255, .6);
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .12em;
}
.hero__scale-line { width: 88px; height: 1px; background: rgba(255, 255, 255, .45); }

/* ------------------------------------------------------------
   SECTION 02 協和ガラスとは
   ------------------------------------------------------------ */
.about__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: clamp(32px, 6vw, 80px);
  align-items: start;
}
.about__text p + p { margin-top: 1.6em; }
.about__text p { color: var(--color-ink-soft); }

.about__facts {
  margin-top: clamp(48px, 7vw, 88px);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--color-border);
}
.fact {
  padding: 32px 24px 30px 0;
  border-right: 1px solid var(--color-border);
}
.fact:last-child { border-right: 0; }
.fact:not(:first-child) { padding-left: 24px; }
.fact dt {
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--color-gray);
  margin-bottom: 8px;
}
.fact dd {
  display: flex;
  align-items: baseline;
  gap: 4px;
  color: var(--color-black);
}
.fact__num {
  font-family: var(--font-num);
  font-size: clamp(34px, 5vw, 46px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -.01em;
}
.fact__unit { font-size: 15px; font-weight: 700; }
.fact__note {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--color-gray);
}

/* ------------------------------------------------------------
   SECTION 03 主力商品
   ------------------------------------------------------------ */
.section--products { background: var(--color-mist); }

.products {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}
.products__photo {
  aspect-ratio: 4 / 5;
  background: var(--color-white);
  position: relative;
}

.products__list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}
.product-card {
  background: var(--color-white);
  padding: 30px 26px 26px;
}
.product-card__name {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--color-black);
  padding-bottom: 14px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--color-border);
}
.product-card--size .product-card__name {
  font-family: var(--font-num);
  color: var(--color-edge);
}
.product-card__desc {
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--color-ink-soft);
}
.product-card__spec {
  margin-top: 16px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--color-gray);
}

.products__note {
  margin-top: clamp(28px, 4vw, 44px);
  padding-left: 22px;
  border-left: 2px solid var(--color-edge);
  font-size: clamp(16px, 2vw, 19px);
  font-weight: 700;
  color: var(--color-black);
}

/* ------------------------------------------------------------
   SECTION 04 強み
   ------------------------------------------------------------ */
.strengths {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}
.strength {
  background: var(--color-white);
  padding: clamp(28px, 3.4vw, 44px);
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  margin: -1px -1px 0 0;
  transition: background-color .3s ease;
}
.strength:hover { background: var(--color-edge-tint); }
.strength__no {
  display: block;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--color-edge);
  margin-bottom: 18px;
}
.strength__title {
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 700;
  line-height: 1.55;
  color: var(--color-black);
  margin-bottom: 14px;
}
.strength__desc {
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--color-ink-soft);
}

/* ------------------------------------------------------------
   SECTION 05 お悩み
   ------------------------------------------------------------ */
.section--problems {
  background: var(--color-mist);
  border-top: 1px solid var(--color-border);
}

.problems {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px 40px;
  max-width: 900px;
  margin-inline: auto;
}
.problems li {
  position: relative;
  padding: 16px 0 16px 46px;
  border-bottom: 1px solid var(--color-border);
  font-size: clamp(15px, 1.9vw, 17px);
  color: var(--color-ink);
}
.problems li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 21px;
  width: 20px;
  height: 20px;
  border: 1px solid var(--color-edge);
}
.problems li::after {
  content: "";
  position: absolute;
  left: 9px;
  top: 25px;
  width: 11px;
  height: 6px;
  border-left: 2px solid var(--color-edge);
  border-bottom: 2px solid var(--color-edge);
  transform: rotate(-45deg);
}

.problems__answer {
  margin-top: clamp(48px, 6vw, 76px);
  text-align: center;
  font-size: clamp(22px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--color-black);
}

/* ------------------------------------------------------------
   SECTION 06 対応用途
   ------------------------------------------------------------ */
.uses {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 2.4vw, 32px);
}
.use-card {
  padding: clamp(26px, 3vw, 36px);
  border: 1px solid var(--color-border);
  border-top: 2px solid var(--color-black);
  background: var(--color-white);
  transition: border-top-color .3s ease, background-color .3s ease;
}
.use-card:hover { border-top-color: var(--color-edge); background: var(--color-edge-tint); }
.use-card__title {
  font-size: clamp(18px, 2.2vw, 21px);
  font-weight: 700;
  color: var(--color-black);
  padding-bottom: 12px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--color-border);
}
.use-card__desc {
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--color-ink-soft);
}
.use-card--other {
  background: var(--color-black);
  color: #fff;
  border-color: var(--color-black);
  border-top-color: var(--color-edge);
  display: flex;
  flex-direction: column;
}
.use-card--other:hover { background: var(--color-black); border-top-color: #8fd8c9; }
.use-card--other .use-card__title {
  color: #fff;
  border-bottom-color: rgba(255, 255, 255, .25);
}
.use-card--other .use-card__desc { color: #cfd6d5; }
.use-card__ask {
  margin-top: 20px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.8;
  color: #8fd8c9;
}
.use-card--other .link-plain { color: #fff; margin-top: auto; padding-top: 20px; }
.use-card--other .link-plain:hover { color: #8fd8c9; }

/* ------------------------------------------------------------
   SECTION 07 サイズオーダー
   ------------------------------------------------------------ */
.section--order {
  background: var(--color-black);
  color: #fff;
  padding-block: clamp(88px, 11vw, 168px);
}
.order__head { max-width: 760px; }
.order__copy {
  font-size: clamp(44px, 10vw, 104px);
  line-height: 1.08;
  font-weight: 700;
  letter-spacing: .005em;
}
.order__copy span { display: block; }
.order__copy span:last-child { color: #8fd8c9; }
.order__lead {
  margin-top: 32px;
  font-size: clamp(16px, 2.1vw, 19px);
  line-height: 2;
  color: #cfd6d5;
}

.order__figure {
  margin-top: clamp(56px, 7vw, 96px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}

/* 製図風のビジュアル */
.drawing {
  position: relative;
  padding: 54px 0 0 54px;
}
.drawing__pane {
  position: relative;
  aspect-ratio: 101 / 50;
  border: 1px solid rgba(143, 216, 201, .7);
  background:
    linear-gradient(115deg, rgba(143, 216, 201, .16) 0%, rgba(143, 216, 201, .04) 42%, rgba(255, 255, 255, .1) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}
.drawing__pane::before {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px dashed rgba(255, 255, 255, .18);
}
.drawing__thickness {
  font-family: var(--font-num);
  font-size: clamp(14px, 2vw, 18px);
  letter-spacing: .14em;
  color: #fff;
}
.drawing__dim {
  position: absolute;
  display: flex;
  align-items: center;
  color: #8fd8c9;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: .16em;
}
.drawing__dim--top {
  left: 54px;
  right: 0;
  top: 22px;
  gap: 10px;
}
.drawing__dim--top .drawing__arrow {
  flex: 1;
  height: 1px;
  background: currentColor;
}
.drawing__dim--left {
  left: 22px;
  top: 54px;
  bottom: 0;
  flex-direction: column;
  gap: 10px;
}
.drawing__dim--left .drawing__arrow {
  flex: 1;
  width: 1px;
  background: currentColor;
}

.order__samples-title {
  font-size: 13px;
  letter-spacing: .14em;
  color: #8fd8c9;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, .2);
}
.size-list { margin-top: 6px; }
.size-list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
  font-family: var(--font-num);
  color: #fff;
}
.size-list__w,
.size-list__h {
  font-size: clamp(26px, 3.6vw, 34px);
  font-weight: 700;
  line-height: 1.2;
}
.size-list__x { font-size: 18px; color: #8fd8c9; }
.size-list__unit { font-size: 15px; color: #a9b3b1; margin-left: 2px; }

.order__samples-note {
  margin-top: 22px;
  font-size: 13.5px;
  line-height: 1.85;
  color: #a9b3b1;
}
.order__samples .btn { margin-top: 28px; }

/* ------------------------------------------------------------
   SECTION 08 設備
   ------------------------------------------------------------ */
.facility {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.facility__frame {
  position: relative;
  aspect-ratio: 4 / 3;
  width: 100%;
  background: var(--color-mist);
}
.facility__caption {
  margin-top: 14px;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--color-gray);
  padding-left: 16px;
  border-left: 2px solid var(--color-edge);
}
.facility__body p { color: var(--color-ink-soft); margin-top: 1.5em; }
.facility__body .section-title + p { margin-top: 28px; }

.facility__spec {
  margin-top: 36px;
  border-top: 1px solid var(--color-border);
}
.facility__spec > div {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
}
.facility__spec dt { font-size: 13.5px; color: var(--color-gray); }
.facility__spec dd { font-size: 15px; font-weight: 700; color: var(--color-black); }

/* ------------------------------------------------------------
   工場・作業風景
   ------------------------------------------------------------ */
.section--works {
  background: var(--color-mist);
  border-top: 1px solid var(--color-border);
}
.works {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 2.6vw, 34px);
}
.work--wide { grid-column: span 3; }
.work__frame {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--color-white);
}
.work--wide .work__frame { aspect-ratio: 16 / 7; }
.work__frame .media-img { transition: transform .8s cubic-bezier(.2, .7, .2, 1); }
.work:hover .work__frame .media-img { transform: scale(1.03); }
.work__caption {
  margin-top: 14px;
  padding-left: 16px;
  border-left: 2px solid var(--color-edge);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--color-ink-soft);
}

/* ------------------------------------------------------------
   SECTION 09 大量注文
   ------------------------------------------------------------ */
.section--bulk {
  background: var(--color-mist);
  border-block: 1px solid var(--color-border);
}
.bulk {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
}
.bulk__body p { color: var(--color-ink-soft); }
.bulk__cases {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0;
}
.bulk__cases li {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  padding: 10px 18px;
  font-size: 15px;
  font-weight: 700;
  color: var(--color-black);
}

/* ------------------------------------------------------------
   SECTION 10 注文の流れ
   ------------------------------------------------------------ */
.flow {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
}
.flow__step {
  position: relative;
  padding: 34px 22px 30px 0;
  border-top: 2px solid var(--color-black);
}
.flow__step + .flow__step { padding-left: 22px; }
.flow__step::before {
  content: "";
  position: absolute;
  left: 0;
  top: -2px;
  width: 2px;
  height: 14px;
  background: var(--color-black);
}
.flow__step + .flow__step::before { left: 0; }
.flow__no {
  display: block;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--color-edge);
  margin-bottom: 14px;
}
.flow__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-black);
  margin-bottom: 10px;
}
.flow__desc {
  font-size: 14px;
  line-height: 1.85;
  color: var(--color-ink-soft);
}

/* ------------------------------------------------------------
   SECTION 11 法人のお客様へ
   ------------------------------------------------------------ */
.business {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}
.business__head p { margin-top: 26px; color: var(--color-ink-soft); }
.business__head .btn { margin-top: 32px; }
.business__targets {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}
.business__targets li {
  background: var(--color-white);
  padding: 18px 20px;
  font-size: 15px;
  font-weight: 700;
  color: var(--color-black);
}

/* ------------------------------------------------------------
   SECTION 12 お問い合わせ
   ------------------------------------------------------------ */
.section--contact {
  background: var(--color-edge);
  color: #fff;
  padding-block: clamp(80px, 10vw, 150px);
}
.contact { max-width: 840px; }
.contact__title {
  font-size: clamp(28px, 5.4vw, 56px);
  line-height: 1.35;
  font-weight: 700;
  margin-bottom: 28px;
}
.contact__text { font-size: clamp(16px, 2vw, 18px); color: #dcebe7; }
.contact__text--em { margin-top: 10px; color: #fff; font-weight: 700; }

.contact__actions {
  margin-top: 44px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.section--contact .btn--primary {
  background: var(--color-black);
  border-color: var(--color-black);
}
.section--contact .btn--primary:hover { background: #000; }

.btn__sub {
  margin-left: 12px;
  padding-left: 12px;
  border-left: 1px solid rgba(12, 15, 16, .2);
  font-family: var(--font-num);
  font-size: 15px;
  letter-spacing: .04em;
}

.contact__direct {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px 32px;
}
.contact__direct > div {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .22);
}
.contact__direct dt { font-size: 13.5px; color: #cfe3de; }
.contact__direct dd { font-size: 15.5px; font-weight: 700; }
.contact__direct a { border-bottom: 1px solid rgba(255, 255, 255, .45); }
.contact__direct a:hover { color: #0c0f10; border-bottom-color: #0c0f10; }

.contact__hint {
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, .3);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px 32px;
}
.contact__hint li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  color: #dcebe7;
}
.contact__hint li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .9em;
  width: 8px;
  height: 1px;
  background: #fff;
}

/* ------------------------------------------------------------
   SECTION 13 会社概要
   ------------------------------------------------------------ */
.company { border-top: 1px solid var(--color-border); }
.company__row {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--color-border);
}
.company__row dt {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--color-gray);
  letter-spacing: .06em;
}
.company__row dd { font-size: 15.5px; color: var(--color-ink); }
.company__link {
  color: var(--color-edge);
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}
.company__link:hover { color: var(--color-edge-dark); }

/* ------------------------------------------------------------
   404ページ
   ------------------------------------------------------------ */
.notfound {
  min-height: 62vh;
  display: flex;
  align-items: center;
}
.notfound .section-label { color: var(--color-gray); }
.notfound .section-label::before { background: var(--color-gray); }
.notfound__actions { display: flex; flex-wrap: wrap; gap: 14px; }
.notfound__btn { border-color: var(--color-border); }

/* ------------------------------------------------------------
   プライバシーポリシー
   ------------------------------------------------------------ */
.section--privacy {
  background: var(--color-mist);
  border-top: 1px solid var(--color-border);
}
.privacy {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(24px, 3vw, 40px);
}
.privacy__item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  padding: clamp(24px, 2.8vw, 34px);
}
.privacy__item h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-black);
  padding-bottom: 12px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--color-border);
}
.privacy__item p {
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--color-ink-soft);
}

/* ------------------------------------------------------------
   フッター
   ------------------------------------------------------------ */
.site-footer {
  background: var(--color-black);
  color: #fff;
  padding-block: clamp(48px, 6vw, 80px) 32px;
}
.site-footer__top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, .16);
}
.site-footer__name {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .04em;
  margin-bottom: 14px;
}
.site-footer__desc { font-size: 13.5px; line-height: 1.85; color: #a9b3b1; }
.site-footer__address {
  margin-top: 18px;
  font-style: normal;
  font-size: 13.5px;
  line-height: 2;
  color: #cfd6d5;
}
.site-footer__address a { border-bottom: 1px solid rgba(255, 255, 255, .28); }
.site-footer__address a:hover { color: #8fd8c9; }
.site-footer__sns {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-top: 20px;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid rgba(255, 255, 255, .3);
  font-size: 14px;
  font-weight: 700;
  color: #fff;
}
.site-footer__sns:hover { color: #8fd8c9; border-color: #8fd8c9; }
.site-footer__nav ul {
  display: grid;
  gap: 12px;
}
.site-footer__nav a { font-size: 14.5px; color: #cfd6d5; }
.site-footer__nav a:hover { color: #8fd8c9; }
.site-footer__copy {
  margin-top: 28px;
  font-size: 12.5px;
  letter-spacing: .04em;
  color: #78827f;
}

/* ------------------------------------------------------------
   スクロール表示アニメーション
   ------------------------------------------------------------ */
[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .8s ease, transform .8s cubic-bezier(.2, .7, .2, 1);
}
/* 見出しラベル：横罫が左から伸びる */
[data-reveal="rule"] {
  transform: none;
  transition: opacity .7s ease;
}
[data-reveal="rule"]::before,
[data-reveal="rule"]::after {
  scale: 0 1;
  transform-origin: left center;
  transition: scale .9s cubic-bezier(.2, .7, .2, 1) .1s;
}
[data-reveal="rule"].is-visible::before,
[data-reveal="rule"].is-visible::after { scale: 1 1; }

[data-reveal="scale"] {
  transform: none;
  transition: opacity 1.1s ease;
}
[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal],
  [data-reveal]::before,
  [data-reveal]::after {
    opacity: 1 !important;
    transform: none !important;
    scale: 1 1 !important;
    transition: none !important;
  }
  .work:hover .work__frame .media-img { transform: none; }
}

/* ============================================================
   レスポンシブ
   ============================================================ */

/* タブレット横 */
@media (max-width: 1080px) {
  .gnav__list { gap: 18px; }
  .gnav__list a { font-size: 13.5px; }
  .gnav { gap: 18px; }
  .logo__tag { display: none; }
}

/* タブレット */
@media (max-width: 900px) {
  :root { --header-h: 64px; }

  .header-actions { display: flex; }

  .gnav {
    position: fixed;
    top: var(--header-h);
    right: 0;
    z-index: 95;
    width: min(340px, 86vw);
    height: calc(100vh - var(--header-h));
    height: calc(100dvh - var(--header-h));
    background: var(--color-white);
    border-left: 1px solid var(--color-border);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 24px 40px;
    overflow-y: auto;
    /* 画面外に置かず切り抜きで隠す（横スクロール防止） */
    clip-path: inset(0 0 0 100%);
    visibility: hidden;
    transition: clip-path .38s cubic-bezier(.2, .7, .2, 1), visibility .38s;
  }
  .gnav.is-open { clip-path: inset(0 0 0 0); visibility: visible; }

  .gnav__list,
  .gnav__contact,
  .gnav__sns {
    transform: translateX(18px);
    transition: transform .45s cubic-bezier(.2, .7, .2, 1);
  }
  .gnav.is-open .gnav__list,
  .gnav.is-open .gnav__contact,
  .gnav.is-open .gnav__sns { transform: translateX(0); }

  .gnav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .gnav__list a {
    display: block;
    padding: 18px 2px;
    font-size: 16px;
    border-bottom: 1px solid var(--color-border);
  }
  .gnav__list a::after { display: none; }
  .gnav__contact {
    margin-top: 24px;
    justify-content: center;
    min-height: 56px;
    font-size: 16px;
  }

  .about__grid { grid-template-columns: 1fr; }
  .about__facts { grid-template-columns: repeat(2, 1fr); }
  .fact { padding-right: 20px; }
  .fact:nth-child(2) { border-right: 0; }
  .fact:nth-child(3),
  .fact:nth-child(4) { border-top: 1px solid var(--color-border); }
  .fact:nth-child(odd) { padding-left: 0; }
  .fact:nth-child(even) { padding-left: 24px; }

  .products { grid-template-columns: 1fr; }
  .products__photo { aspect-ratio: 16 / 10; }

  .strengths { grid-template-columns: repeat(2, 1fr); }

  .uses { grid-template-columns: repeat(2, 1fr); }

  .works { grid-template-columns: repeat(2, 1fr); }
  .work--wide { grid-column: span 2; }

  .gnav__sns {
    order: 1;
    margin-top: 20px;
    justify-content: center;
    min-height: 52px;
    border: 1px solid var(--color-border);
    font-size: 15px;
  }
  .gnav__sns-text { display: inline; }
  .gnav__contact { order: 0; }

  .order__figure { grid-template-columns: 1fr; }

  .facility { grid-template-columns: 1fr; }

  .bulk { grid-template-columns: 1fr; }

  .flow { grid-template-columns: repeat(2, 1fr); gap: 0 24px; }
  .flow__step,
  .flow__step + .flow__step { padding-left: 0; padding-right: 0; }

  .business { grid-template-columns: 1fr; }
}

/* スマートフォン */
@media (max-width: 640px) {
  body { font-size: 15.5px; line-height: 1.95; }

  .sp-only { display: inline; }
  br.sp-only { display: block; }

  .logo__name { font-size: 17px; }
  .logo__suffix { font-size: 12px; }

  .hero { min-height: auto; padding-block: 88px 76px; }
  .hero__copy { line-height: 1.25; }
  .hero__specs {
    display: grid;
    grid-template-columns: repeat(2, auto);
    justify-content: start;
    gap: 8px 26px;
  }
  .hero__specs li {
    font-size: 13.5px;
    padding-inline: 0 0;
    padding-left: 16px;
    border-left: 0;
    position: relative;
  }
  .hero__specs li::before {
    content: "";
    position: absolute;
    left: 0;
    top: .95em;
    width: 8px;
    height: 1px;
    background: rgba(255, 255, 255, .5);
  }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .hero__actions .btn { width: 100%; }
  .hero__scale { display: none; }

  .about__facts { grid-template-columns: 1fr; }
  .fact,
  .fact:not(:first-child) {
    padding: 24px 0;
    border-right: 0;
    border-top: 1px solid var(--color-border);
  }
  .fact:first-child { border-top: 0; }

  .products__list { grid-template-columns: 1fr; }

  .strengths { grid-template-columns: 1fr; }

  .problems { grid-template-columns: 1fr; gap: 0; }
  .problems li { padding: 14px 0 14px 42px; }

  .uses { grid-template-columns: 1fr; }

  .works { grid-template-columns: 1fr; }
  .work--wide { grid-column: span 1; }
  .work--wide .work__frame { aspect-ratio: 4 / 3; }

  .drawing { padding: 44px 0 0 44px; }
  .drawing__dim--top { left: 44px; top: 16px; }
  .drawing__dim--left { left: 16px; top: 44px; }

  .flow { grid-template-columns: 1fr; }
  .flow__step { padding: 26px 0 24px; }

  .business__targets { grid-template-columns: 1fr; }

  .privacy { grid-template-columns: 1fr; }

  .contact__actions { flex-direction: column; align-items: stretch; }
  .contact__actions .btn { width: 100%; }
  .contact__hint { grid-template-columns: 1fr; }
  .contact__direct { grid-template-columns: 1fr; gap: 0; }
  .contact__direct > div { grid-template-columns: 88px minmax(0, 1fr); }

  .company__row {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 18px 0;
  }

  .site-footer__top { flex-direction: column; }
}

/* 小型スマートフォン */
@media (max-width: 380px) {
  .logo__mark { display: none; }
  .btn-contact-sp { padding-inline: 12px; font-size: 13px; }
}