/*
Theme Name: TANI ALLOY CxG
Theme URI:
Author:
Description: タニアロイ株式会社 コーポレートサイト（デザイン方向 C×G「暗図」）
Version: 2.0.15
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 7.4
Text Domain: tani-alloy-cxg
*/
:root {
  --brand-300: #6e8cf0;
  --brand-500: #1436c8;
  --brand-900: #061024;
  --molten-500: #e86a1c;
  --molten-300: #f2a33c;
  --sans: "BIZ UDPGothic", system-ui, sans-serif;
  --serif: "Noto Serif JP", serif;
  --mono: "IBM Plex Mono", "BIZ UDPGothic", ui-monospace, monospace;
  --ease: cubic-bezier(.16, 1, .3, 1);
  --ink: #04101f;
  --t-1: rgba(255, 255, 255, .92);
  --t-2: rgba(255, 255, 255, .60);
  --t-3: rgba(255, 255, 255, .52);
  --t-4: rgba(255, 255, 255, .24);
  --hair: rgba(255, 255, 255, .13);
  --graph: linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 0;
  overflow-x: clip;
  background: var(--ink);
  color: var(--t-1);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  display: block;
  max-width: 100%;
}

/* width/height 属性は presentational hint として CSS の height に効くため、
   これを打ち消さないと aspect-ratio が無視され、画像が原寸の高さで描画されてしまう。
   height を固定したい箇所（.phero .im img など）は後続ルールで上書きする。 */
img {
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

:focus-visible {
  outline: 2px solid var(--molten-300);
  outline-offset: 4px;
}

.visually-hidden {
  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: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  transform: translateY(-150%);
  border: 1px solid var(--molten-300);
  background: var(--ink);
  color: var(--t-1);
  font-size: 13px;
}

.skip-link:focus {
  transform: none;
}

.site {
  position: relative;
  min-height: 100vh;
  isolation: isolate;
  background: var(--ink);
  color: var(--t-1);
  font-weight: 300;
}

.site .gl {
  position: absolute;
  z-index: 1;
  inset: 0;
  pointer-events: none;
  opacity: .9;
  background-image: linear-gradient(to right, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: calc(100% / 12) 100%;
}

/* 横方向と縦方向を分離し、.sec.inner の左右余白を保持する。 */
.inner {
  position: relative;
  z-index: 3;
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: 44px;
}

.hd {
  position: relative;
  z-index: 8;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 44px;
  border-bottom: 1px solid var(--hair);
  background: rgba(4, 16, 31, .94);
  backdrop-filter: blur(12px);
}

.hd .lg {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 10px;
  color: #fff;
}

.hd .lg .lg-mark {
  width: auto;
  height: 40px;
}

.hd .lg b {
  display: block;
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: .12em;
}

.hd .lg i {
  display: block;
  color: var(--t-3);
  font-size: 8.5px;
  font-style: normal;
  letter-spacing: .18em;
}

.hd nav {
  margin-left: auto;
}

.hd ul {
  display: flex;
  gap: 22px;
  color: var(--t-2);
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  list-style: none;
}

.hd nav a {
  display: inline-block;
  padding-block: 8px;
  border-bottom: 1px solid transparent;
  transition: color 180ms ease, border-color 180ms ease;
}

.hd nav a:hover,
.hd nav a[aria-current="page"] {
  border-color: var(--molten-300);
  color: var(--t-1);
}

.hd .cta {
  flex: 0 0 auto;
  padding: 9px 17px;
  border: 1px solid var(--t-4);
  border-radius: 2px;
  color: var(--t-1);
  font-size: 11.5px;
  letter-spacing: .08em;
  transition: border-color 180ms ease, color 180ms ease, background 180ms ease;
}

.hd .cta:hover,
.hd .cta[aria-current="page"] {
  border-color: var(--molten-300);
  background: rgba(242, 163, 60, .08);
  color: var(--molten-300);
}

.crumbs {
  position: relative;
  z-index: 3;
  border-bottom: 1px solid var(--hair);
  background: rgba(4, 16, 31, .96);
}

.crumbs ol {
  display: flex;
  min-height: 42px;
  align-items: center;
  gap: 10px;
  color: var(--t-3);
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: .12em;
  list-style: none;
}

.crumbs li + li::before {
  content: "/";
  margin-right: 10px;
  color: var(--t-4);
}

.crumbs a {
  color: var(--t-2);
}

.phero {
  position: relative;
  z-index: 3;
  display: flex;
  min-height: 480px;
  align-items: flex-end;
  overflow: hidden;
  border-bottom: 1px solid var(--hair);
}

.phero .im {
  position: absolute;
  z-index: 0;
  inset: 0;
  min-height: 0;
  overflow: hidden;
}

.phero .im img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 46%;
  filter: brightness(.52) saturate(.72) contrast(1.05);
}

.phero .im img[src*="/factory-exterior-concept.jpg?v="] {
  object-position: 50% 48%;
}

.phero .im img[src$="/factory-hand-molding-concept.jpg"] {
  object-position: 55% 49%;
}

.phero .im img[src*="/quality-inspection-concept.jpg?v="] {
  object-position: 50% 48%;
}

.phero .im img[src$="/hero-casting.jpg"] {
  object-position: 50% 51%;
}

.phero .im::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(92deg, rgba(4, 16, 31, .95) 0%, rgba(4, 16, 31, .78) 42%, rgba(4, 16, 31, .30) 100%),
    linear-gradient(180deg, rgba(4, 16, 31, .55) 0%, rgba(4, 16, 31, 0) 34%, rgba(4, 16, 31, .85) 100%);
}

.phero .im .tag {
  display: none;
}

.phero .tx {
  position: relative;
  z-index: 4;
  width: 100%;
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: 44px;
  padding-bottom: 52px;
}

.phero .fig {
  margin-bottom: 16px;
  color: var(--t-3);
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: .22em;
}

.phero .en,
.shead .en,
.contact-cta .en {
  color: var(--molten-300);
  font-family: var(--mono);
  font-weight: 400;
}

.phero .en {
  margin-bottom: 14px;
  font-size: 11px;
  letter-spacing: .3em;
}

.phero h1 {
  color: var(--t-1);
  font-family: var(--serif);
  font-size: clamp(30px, 4.4vw, 56px);
  font-weight: 200;
  line-height: 1.4;
  letter-spacing: .08em;
}

.phero .lead {
  max-width: 34em;
  margin-top: 20px;
  color: var(--t-2);
  font-size: 14px;
  font-weight: 300;
  line-height: 2.1;
}

.phero .hero-action {
  margin-top: 28px;
}

.sec {
  position: relative;
  padding-block: 96px;
}

.sec.tight {
  padding-block: 72px;
}

.shead {
  margin-bottom: 44px;
}

.shead .en {
  margin-bottom: 14px;
  font-size: 10px;
  letter-spacing: .26em;
}

.shead h2 {
  color: var(--t-1);
  font-family: var(--serif);
  font-size: clamp(22px, 2.8vw, 34px);
  font-weight: 300;
  line-height: 1.5;
  letter-spacing: .06em;
}

.shead p {
  max-width: 36em;
  margin-top: 18px;
  color: var(--t-2);
  font-size: 13.5px;
  font-weight: 300;
  line-height: 2.1;
}

.body-copy {
  max-width: 38em;
  color: var(--t-2);
  font-size: 13.5px;
  font-weight: 300;
  line-height: 2.2;
}

.body-copy + .body-copy {
  margin-top: 22px;
}

.serif-statement {
  max-width: 26em;
  margin-bottom: 26px;
  color: var(--t-1);
  font-family: var(--serif);
  font-size: clamp(18px, 2.2vw, 26px);
  font-weight: 300;
  line-height: 2;
  letter-spacing: .06em;
}

.philosophy-name {
  margin-bottom: 18px;
  color: var(--t-1);
  font-family: var(--serif);
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 300;
  letter-spacing: .14em;
}

.philosophy-name rt {
  font-family: var(--sans);
  font-size: .25em;
  letter-spacing: .08em;
}

.image-disclosure {
  margin-top: 12px;
  padding-left: 14px;
  border-left: 2px solid var(--molten-300);
  color: var(--t-2);
}

.rule {
  height: 1px;
  background: var(--hair);
}

.two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 44px;
  align-items: center;
}

.three {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.graph {
  position: relative;
  border: 1px solid var(--hair);
  background-color: rgba(255, 255, 255, .02);
  background-image: var(--graph);
  background-size: 13px 13px;
}

.graph > i {
  position: absolute;
  z-index: 2;
  top: 9px;
  left: 11px;
  color: var(--t-3);
  font-family: var(--mono);
  font-size: 8.5px;
  font-style: normal;
  letter-spacing: .14em;
}

.ph {
  position: relative;
  display: flex;
  aspect-ratio: var(--ar, 3 / 2);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 20px;
  overflow: hidden;
  border: 1px solid var(--t-4);
  background:
    linear-gradient(135deg, rgba(20, 54, 200, .14), rgba(4, 16, 31, .90) 46%, rgba(232, 106, 28, .10)),
    #071a2c;
  text-align: center;
}

.ph::before,
.ph::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1px solid var(--t-4);
}

.ph::before {
  top: 7px;
  left: 7px;
  border-right: 0;
  border-bottom: 0;
}

.ph::after {
  right: 7px;
  bottom: 7px;
  border-top: 0;
  border-left: 0;
}

.ph .no {
  margin-bottom: 11px;
  color: var(--molten-300);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .2em;
}

.ph .sub {
  margin-bottom: 7px;
  color: var(--t-1);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: .04em;
}

.ph .note {
  max-width: 26em;
  color: var(--t-3);
  font-size: 11px;
  line-height: 1.8;
}

.ph .ar {
  position: absolute;
  right: 12px;
  bottom: 11px;
  color: var(--t-3);
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: .14em;
}

figure.pw > img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: brightness(.62) saturate(.8);
}

figure.pw figcaption {
  margin-top: 12px;
  color: var(--t-3);
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: .13em;
}

.rp {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--t-4);
}

.rp img {
  width: 100%;
  aspect-ratio: var(--ar, 3 / 2);
  object-fit: cover;
  filter: brightness(.62) saturate(.8);
  transition: filter 320ms var(--ease), transform 320ms var(--ease);
}

.rp img[src$="/factory-hand-molding-concept.jpg"] {
  object-position: 55% 49%;
}

.rp img[src*="/mold-process.jpg?v="] {
  object-position: 50% 51%;
}

.rp img[src*="/quality-inspection-concept.jpg?v="] {
  object-position: 50% 48%;
}

.rp:hover img {
  filter: brightness(.70) saturate(.82);
  transform: scale(1.02);
}

.rp .tag {
  position: absolute;
  bottom: 0;
  left: 0;
  padding: 9px 14px;
  border-top: 1px solid var(--hair);
  border-right: 1px solid var(--hair);
  background: rgba(4, 16, 31, .86);
  color: var(--molten-300);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .16em;
}

.mat {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  border: 1px solid var(--hair);
  background: var(--hair);
}

.mat > div {
  padding: 24px 20px;
  background: var(--ink);
}

.mat .code {
  margin-bottom: 5px;
  color: #fff;
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .1em;
}

.mat .sys {
  margin-bottom: 12px;
  color: var(--molten-300);
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: .13em;
}

.mat p {
  color: var(--t-2);
  font-size: 11.5px;
  font-weight: 300;
  line-height: 2;
}

.mat .text-link {
  margin-top: 14px;
}

.material-groups {
  display: grid;
  gap: 30px;
}

.material-group-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--hair);
}

.material-group-head .en {
  margin-bottom: 4px;
  color: var(--molten-300);
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: .16em;
}

.material-group-head h3 {
  color: var(--t-1);
  font-family: var(--serif);
  font-size: clamp(19px, 2.2vw, 27px);
  font-weight: 400;
}

.material-group-head > span {
  color: var(--t-3);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .16em;
}

.material-group .mat {
  border-top: 0;
}

.mat--four {
  grid-template-columns: repeat(4, 1fr);
}

.mat--five {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.mat.mat--single {
  grid-template-columns: 1fr;
}

.pgrid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 34px 30px;
}

.products-showcase .pgrid--verified {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: start;
}

.products-showcase .pgrid--verified > .pcard--verified {
  grid-column: span 1;
}

.pcard {
  display: flex;
  min-width: 0;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--hair);
  background: rgba(4, 16, 31, .62);
}

.pcard .imgwrap {
  border-bottom: 1px solid var(--hair);
}

.pcard .imgwrap > img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: brightness(.62) saturate(.8);
}

.products-showcase .pcard--verified .imgwrap > img {
  aspect-ratio: 4 / 3;
  filter: brightness(.86) saturate(.86);
}

.products-showcase .pcard--verified .body {
  min-height: 142px;
}

/* 全体表示オーバーレイ — 枠に合わせてトリミングされ見切れた部分を、
   ホバー／フォーカスで object-fit:contain に切り替えて確認できるようにする。
   中身は main.js が元の <img> を複製して生成するため、HTML 側は data-fullview を付けるだけでよい。 */
[data-fullview] {
  position: relative;
  overflow: hidden;
}

[data-fullview]:focus-visible {
  outline: 2px solid var(--molten-300);
  outline-offset: -2px;
}

/* 位置とサイズは main.js が元画像の box に合わせて設定する。
   カード全体を覆うと説明文やキャプションまで隠れてしまうため、画像の領域だけに限定する。 */
/* 枠内に収めると 4:3 の原画像が 16:9 の枠でレターボックスになり、かえって小さくなる。
   position:fixed で枠の外に拡大表示する。祖先の overflow:hidden に切られず、
   端のカードでも画面内に収まるよう JS 側で位置をクランプしている。 */
.fullview {
  position: fixed;
  z-index: 60;
  top: 0;
  left: 0;
  opacity: 0;
  border: 1px solid var(--t-4);
  background: rgba(4, 16, 31, .97);
  box-shadow: 0 24px 60px rgba(0, 0, 0, .55);
  pointer-events: none;
  transition: opacity 240ms var(--ease);
}

.fullview.is-open {
  opacity: 1;
}

/* グリッド／フレックス内では % 高さが解決されず原寸比のまま描画されることがあるため、
   絶対配置にして .fullview（JS が実寸を設定）に対する % で確実にサイズを決める。 */
.fullview img {
  position: absolute;
  top: 16px;
  left: 16px;
  width: calc(100% - 32px);
  height: calc(100% - 32px);
  object-fit: contain;
  filter: brightness(.92) saturate(.9);
}

.fullview .lbl {
  position: absolute;
  top: 9px;
  left: 11px;
  color: var(--molten-300);
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: .16em;
}

/* 開閉は main.js が .is-open で制御する（位置とサイズの計算が必要なため CSS だけでは完結しない） */

@media (prefers-reduced-motion: reduce) {
  .fullview {
    transition: none;
  }
}

.dwg {
  position: relative;
  /* キャプション用の帯。これが無いと、幅の狭い端末で図が縮んだときに
     絶対配置のキャプション（固定px）が図版に重なる。 */
  padding-top: 24px;
  border-bottom: 1px solid var(--hair);
  background-color: rgba(255, 255, 255, .018);
  background-image: var(--graph);
  background-size: 13px 13px;
}

/* viewBox は内容の実bbox（x38〜225 / y8〜80）に余白6を足した範囲に切り詰めてある。
   元の 300x88 では右側に75〜115の死に領域があり、図が左に寄って小さく見えていた。 */
.dwg > svg {
  width: 100%;
  height: auto;
  aspect-ratio: 199 / 84;
}

.dwg > figcaption {
  position: absolute;
  top: 8px;
  left: 10px;
  color: var(--t-3);
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: .14em;
}

/* 旧ライトテーマのSVG属性をC案の製図色へ上書きする。 */
.dwg [stroke="#1436C8"] { stroke: rgba(255, 255, 255, .78); }
.dwg [stroke="#838B97"] { stroke: rgba(255, 255, 255, .42); }
.dwg [stroke="#E2E5EA"] { stroke: rgba(255, 255, 255, .14); }
.dwg [stroke="#E86A1C"],
.dwg [stroke="#5C646F"] { stroke: #f2a33c; }
.dwg [fill="#1436C8"] { fill: rgba(255, 255, 255, .78); }
.dwg [fill="#E86A1C"],
.dwg [fill="#B8500F"] { fill: #f2a33c; }
.dwg [fill="#2A2F37"] { fill: rgba(255, 255, 255, .85); }
.dwg [fill="#67707C"] { fill: rgba(255, 255, 255, .60); }

.pcard .body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 20px 22px 22px;
}

.pcard .no {
  margin-bottom: 8px;
  color: var(--t-3);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .15em;
}

.pcard h3 {
  margin-bottom: 12px;
  color: var(--t-1);
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 400;
  letter-spacing: .05em;
}

.pcard .desc {
  flex: 1;
  margin-bottom: 15px;
  color: var(--t-2);
  font-size: 12.5px;
  font-weight: 300;
  line-height: 2;
}

.spec {
  display: grid;
}

.spec div {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding-block: 8px;
  border-top: 1px solid var(--hair);
}

.spec dt {
  color: var(--t-3);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .13em;
}

.spec dd {
  color: var(--t-1);
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 400;
  text-align: right;
}

.dfig {
  position: relative;
  display: grid;
  grid-template-columns: 1.25fr .75fr;
  gap: 0;
  align-items: stretch;
  border: 1px solid var(--hair);
}

.dfig .im {
  position: relative;
  min-height: 390px;
  overflow: hidden;
}

.dfig .im img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 58% center;
  filter: brightness(.5) saturate(.7);
}

.dfig .im::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(4, 16, 31, .4), rgba(4, 16, 31, .85));
}

.dfig-tag {
  position: absolute;
  z-index: 4;
  bottom: 0;
  left: 0;
  padding: 9px 14px;
  border-top: 1px solid var(--hair);
  border-right: 1px solid var(--hair);
  background: rgba(4, 16, 31, .86);
  color: var(--molten-300);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .16em;
}

.dfig .dr {
  display: flex;
  justify-content: center;
  flex-direction: column;
  padding: 28px 26px;
  border-left: 1px solid var(--hair);
  background: rgba(4, 16, 31, .6);
}

.dfig .dr .cap {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 7px;
  border-bottom: 1px solid rgba(242, 163, 60, .45);
}

.dfig .dr .cap b {
  color: var(--molten-300);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: .16em;
}

.dfig .dr .cap span {
  color: var(--t-3);
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: .1em;
}

.dfig .dr > svg {
  width: 100%;
  height: auto;
  aspect-ratio: 280 / 190;
  margin-bottom: 16px;
}

.diagram-note {
  margin-bottom: 14px;
  color: var(--t-2);
  font-size: 11px;
  font-weight: 300;
  line-height: 1.8;
}

.diagram-note strong {
  display: block;
  margin-bottom: 3px;
  color: var(--t-1);
  font-family: var(--serif);
  font-size: 14px;
  font-weight: 400;
}

.tbl {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--hair);
  background: rgba(4, 16, 31, .4);
  font-size: 12px;
}

.tbl th,
.tbl td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--hair);
  color: var(--t-2);
  font-weight: 300;
  line-height: 1.75;
  text-align: left;
  vertical-align: top;
}

.tbl thead th {
  border-bottom: 1px solid var(--t-4);
  color: var(--t-3);
  font-family: var(--mono);
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: .14em;
}

.tbl tbody th {
  color: var(--t-3);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: .1em;
  white-space: nowrap;
}

.tbl .core-col {
  background: rgba(232, 106, 28, .09);
}

.tbl thead th.core-col {
  color: var(--molten-300);
}

.tbl td.core-col {
  color: var(--t-1);
}

.tblwrap {
  overflow-x: auto;
}

.stance {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
  background: var(--hair);
}

.stance > div {
  padding: 34px 26px;
  background: var(--ink);
}

.stance--actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1px;
  border-block: 0;
  background: transparent;
}

.stance--actions > div {
  flex: 0 0 calc((100% - 1px) / 2);
  outline: 1px solid var(--hair);
  outline-offset: -1px;
}

.stance .n {
  margin-bottom: 14px;
  color: var(--molten-300);
  font-family: var(--mono);
  font-size: 26px;
  font-weight: 300;
  letter-spacing: .04em;
}

.stance h3 {
  margin-bottom: 13px;
  color: var(--t-1);
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 400;
  letter-spacing: .14em;
}

.stance p {
  color: var(--t-2);
  font-size: 12px;
  font-weight: 300;
  line-height: 2.05;
}

/* 手込み砂型鋳造の工程（casting.html） */
.process-steps {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  border: 1px solid var(--hair);
  background: var(--hair);
  list-style: none;
}

.process-steps > li {
  padding: 28px 26px;
  background: var(--ink);
}

.process-steps .n {
  margin-bottom: 12px;
  color: var(--molten-300);
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 300;
  letter-spacing: .04em;
}

.process-steps h3 {
  margin-bottom: 11px;
  color: var(--t-1);
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 400;
  letter-spacing: .06em;
}

.process-steps p {
  color: var(--t-2);
  font-size: 12.5px;
  font-weight: 300;
  line-height: 2.05;
}

/* 砂型が向く条件（casting.html） */
.fit-list {
  border-top: 1px solid var(--hair);
}

.fit-list > div {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--hair);
}

.fit-list dt {
  color: var(--t-1);
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 400;
  letter-spacing: .05em;
}

.fit-list dd {
  color: var(--t-2);
  font-size: 13px;
  font-weight: 300;
  line-height: 2.05;
}

@media (max-width: 760px) {
  .process-steps {
    grid-template-columns: 1fr;
  }

  .fit-list > div {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

.hist {
  border-top: 1px solid var(--hair);
}

.hist .row {
  display: grid;
  grid-template-columns: 130px 118px 1fr;
  gap: 20px;
  align-items: baseline;
  padding-block: 19px;
  border-bottom: 1px solid var(--hair);
}

.hist .y {
  color: #fff;
  font-family: var(--mono);
  font-size: 19px;
  font-weight: 300;
  letter-spacing: .04em;
}

.hist .w {
  color: var(--t-3);
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: .12em;
}

.hist .t {
  color: var(--t-2);
  font-size: 13px;
  font-weight: 300;
  line-height: 1.9;
}

.hist .t strong {
  display: block;
  margin-bottom: 3px;
  color: var(--t-1);
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 400;
}

.part {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.part span {
  padding: 11px 17px;
  border: 1px solid var(--t-4);
  border-radius: 2px;
  color: var(--t-2);
  font-size: 12px;
  font-weight: 300;
  letter-spacing: .03em;
}

.cite {
  padding-left: 14px;
  border-left: 1px solid var(--t-4);
  color: var(--t-3);
  font-size: 11px;
  font-weight: 300;
  line-height: 1.9;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  border: 1px solid var(--hair);
  background: var(--hair);
}

.feature-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  background: var(--ink);
}

.feature-card > img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: brightness(.62) saturate(.8);
}

.feature-card .body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 24px 22px 26px;
}

.feature-card .eyebrow {
  margin-bottom: 10px;
  color: var(--molten-300);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: .16em;
}

.feature-card h3 {
  margin-bottom: 11px;
  color: var(--t-1);
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: .04em;
}

.feature-card p {
  color: var(--t-2);
  font-size: 11.5px;
  font-weight: 300;
  line-height: 2;
}

.feature-card .spec {
  margin-top: 17px;
}

.process-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
}

.process-list article {
  min-width: 0;
  padding: 28px 24px;
  border-right: 1px solid var(--hair);
}

.process-list article:last-child {
  border-right: 0;
}

.process-list .n {
  margin-bottom: 12px;
  color: var(--molten-300);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .15em;
}

.process-list h3 {
  margin-bottom: 12px;
  color: var(--t-1);
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 400;
  letter-spacing: .04em;
}

.process-list p {
  color: var(--t-2);
  font-size: 11.5px;
  font-weight: 300;
  line-height: 2;
}

.tech-fig {
  margin: -8px -4px 24px;
  border: 1px solid var(--hair);
  background-color: rgba(255, 255, 255, .018);
  background-image: var(--graph);
  background-size: 13px 13px;
}

.tech-fig figcaption,
.facility-diagram figcaption {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px 0;
  color: var(--t-3);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: .13em;
}

.tech-fig figcaption b,
.facility-diagram figcaption b {
  color: var(--molten-300);
  font-weight: 600;
}

.tech-fig svg {
  width: 100%;
  height: auto;
}

.facility-diagram {
  margin-bottom: 42px;
  border: 1px solid var(--hair);
  background-color: rgba(255, 255, 255, .018);
  background-image: var(--graph);
  background-size: 13px 13px;
}

.facility-diagram svg {
  width: 100%;
  height: auto;
}

.text-link,
.button {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 10px;
  color: var(--molten-300);
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: .12em;
}

.text-link::after,
.button::after {
  content: "→";
  transition: transform 180ms ease;
}

.text-link:hover::after,
.button:hover::after {
  transform: translateX(4px);
}

.button {
  padding: 13px 18px;
  border: 1px solid var(--molten-300);
  border-radius: 2px;
  background: var(--molten-300);
  color: var(--ink);
  transition: background 180ms ease, border-color 180ms ease;
}

.button:hover {
  border-color: #ffc36e;
  background: #ffc36e;
}

.news-list {
  border-top: 1px solid var(--hair);
}

.news-list li {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 24px;
  padding-block: 20px;
  border-bottom: 1px solid var(--hair);
  color: var(--t-2);
  font-size: 13px;
  list-style: none;
}

.news-list time {
  color: var(--molten-300);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
}

.link-cards,
.company-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  border: 1px solid var(--hair);
  background: var(--hair);
}

.link-card,
.company-card {
  background: var(--ink);
}

.link-card {
  padding: 36px 30px;
  transition: background 180ms ease;
}

.link-card:hover {
  background: rgba(242, 163, 60, .045);
}

.link-card .en,
.company-card .meta {
  color: var(--molten-300);
  font-family: var(--mono);
}

.link-card .en {
  margin-bottom: 10px;
  font-size: 9px;
  font-weight: 500;
  letter-spacing: .16em;
}

.link-card h3,
.company-card h3 {
  color: var(--t-1);
  font-family: var(--serif);
  font-weight: 400;
}

.link-card h3 {
  margin-bottom: 9px;
  font-size: 20px;
}

.link-card p,
.company-card p {
  color: var(--t-2);
  font-weight: 300;
}

.link-card p {
  font-size: 11.5px;
  line-height: 1.9;
}

.link-card .arrow {
  display: block;
  margin-top: 18px;
  color: var(--molten-300);
  font-family: var(--mono);
  font-size: 15px;
}

.equipment,
.info-list {
  border-top: 1px solid var(--hair);
}

.equipment > div,
.info-list > div {
  display: grid;
  gap: 28px;
  padding-block: 22px;
  border-bottom: 1px solid var(--hair);
}

.equipment > div {
  grid-template-columns: 160px 1fr;
}

.info-list > div {
  grid-template-columns: 150px 1fr;
}

.equipment dt {
  color: var(--t-1);
  font-family: var(--serif);
  font-weight: 400;
}

.equipment dd,
.info-list dd {
  color: var(--t-2);
  font-weight: 300;
  line-height: 2;
}

.equipment dd {
  font-size: 12.5px;
}

.info-list dt {
  color: var(--t-3);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .12em;
}

.info-list dd {
  font-size: 13px;
}

.company-card {
  padding: 28px 24px;
}

.company-card h3 {
  margin-bottom: 8px;
  font-size: 18px;
}

.company-card .meta {
  margin-bottom: 15px;
  font-size: 9.5px;
  letter-spacing: .1em;
}

.company-card p {
  font-size: 12px;
  line-height: 2;
}

.map-frame {
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  padding: 0;
  text-align: left;
}

.access-map {
  min-width: 0;
  margin: 0;
  border-bottom: 1px solid var(--hair);
  background: #f4f6f8;
}

.access-map picture {
  display: block;
  min-width: 0;
  aspect-ratio: 1640 / 600;
  overflow: hidden;
}

.access-map img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.access-map figcaption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 14px;
  background: rgba(4, 16, 31, .96);
  color: var(--t-3);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .12em;
}

.map-mobile-note {
  display: none;
  color: var(--molten-300);
  letter-spacing: .06em;
}

.map-frame-body {
  padding: 28px 32px 32px;
}

.map-frame h3 {
  margin-bottom: 10px;
  color: var(--t-1);
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 400;
}

.map-frame p {
  margin-bottom: 18px;
  color: var(--t-2);
  font-size: 12px;
  line-height: 2;
}

.contact-form {
  max-width: 760px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px 28px;
}

.field {
  display: grid;
  gap: 9px;
}

.field.full,
.check-field {
  grid-column: 1 / -1;
}

.field label,
.check-field legend {
  color: var(--t-1);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .03em;
}

.required {
  margin-left: 5px;
  color: var(--molten-300);
  font-family: var(--mono);
  font-size: 9px;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--t-4);
  border-radius: 2px;
  background: rgba(255, 255, 255, .055);
  color: var(--t-1);
  font-size: 14px;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.field select option {
  background: var(--ink);
  color: var(--t-1);
}

.field textarea {
  min-height: 180px;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--molten-300);
  outline: 0;
  box-shadow: 0 0 0 3px rgba(242, 163, 60, .12);
}

.check-field {
  border: 0;
}

.check-field label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--t-2);
  font-size: 12px;
  line-height: 1.8;
}

.check-field input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--molten-300);
}

.form-note {
  margin-top: 22px;
  color: var(--t-3);
  font-size: 11px;
  line-height: 1.9;
}

.form-actions {
  margin-top: 28px;
}

.form-actions .button {
  cursor: pointer;
}

.contact-cta {
  position: relative;
  z-index: 3;
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
  background: rgba(232, 106, 28, .09);
  color: var(--t-1);
}

.contact-cta .inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 36px;
  padding-block: 72px;
}

.contact-cta .en {
  margin-bottom: 13px;
  font-size: 9.5px;
  letter-spacing: .2em;
}

.contact-cta h2 {
  color: var(--t-1);
  font-family: var(--serif);
  font-size: clamp(22px, 2.8vw, 34px);
  font-weight: 300;
  line-height: 1.55;
  letter-spacing: .06em;
}

.contact-cta p {
  margin-top: 14px;
  color: var(--t-2);
  font-size: 12.5px;
  font-weight: 300;
  line-height: 1.9;
}

.contact-cta .button {
  flex: 0 0 auto;
  white-space: nowrap;
}

.ft {
  position: relative;
  z-index: 3;
  padding: 52px 0 34px;
  border-top: 1px solid var(--hair);
  background: var(--ink);
}

.ft .top {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 40px;
}

.ft h4 {
  margin-bottom: 14px;
  color: var(--t-3);
  font-family: var(--mono);
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: .16em;
}

.ft p,
.ft li {
  color: var(--t-2);
  font-size: 12px;
  font-weight: 300;
  line-height: 2.05;
  list-style: none;
}

.ft a:hover {
  color: var(--molten-300);
}

.ft .cp {
  padding-top: 22px;
  border-top: 1px solid var(--hair);
  color: var(--t-3);
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: .13em;
}

.reveal-ready {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 600ms var(--ease), transform 600ms var(--ease);
}

.reveal-ready.is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 900px) {
  .feature-grid,
  .three {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-list {
    grid-template-columns: 1fr;
  }

  .process-list article {
    display: grid;
    grid-template-columns: minmax(220px, .7fr) 1fr;
    gap: 0 28px;
    border-right: 0;
    border-bottom: 1px solid var(--hair);
  }

  .process-list article:last-child {
    border-bottom: 0;
  }

  .process-list .tech-fig {
    grid-row: 1 / span 3;
  }
}

/* ハンバーガーボタン。デスクトップでは不要なので隠す */
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 1px solid var(--t-4);
  border-radius: 2px;
  background: transparent;
  color: var(--t-1);
  cursor: pointer;
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

.nav-toggle svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
}

.nav-toggle .close-icon {
  display: none;
}

.nav-toggle[aria-expanded="true"] {
  border-color: var(--molten-300);
  color: var(--molten-300);
}

.nav-toggle[aria-expanded="true"] .open-icon {
  display: none;
}

.nav-toggle[aria-expanded="true"] .close-icon {
  display: block;
}

@media (max-width: 880px) {
  .hd {
    padding: 18px 22px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  /* ナビはヘッダー直下に縦型パネルとして開く。
     単に display:block に戻すと横並びのままヘッダーからあふれるため、
     縦積みに組み替えたうえで絶対配置にする。 */
  .hd nav {
    position: absolute;
    z-index: 20;
    top: 100%;
    right: 0;
    left: 0;
    display: none;
    margin: 0;
    border-bottom: 1px solid var(--hair);
    background: rgba(4, 16, 31, .98);
    backdrop-filter: blur(12px);
  }

  .hd nav[data-open="true"] {
    display: block;
  }

  .hd nav ul {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 4px 22px 14px;
  }

  .hd nav li + li {
    border-top: 1px solid var(--hair);
  }

  .hd nav a {
    display: block;
    padding-block: 15px;
    font-size: 13px;
  }
}

@media (max-width: 860px) {
  .mat {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .dfig .dr {
    border-top: 1px solid var(--hair);
    border-left: 0;
  }
}

@media (max-width: 760px) {
  .inner {
    padding-inline: 22px;
  }

  .phero {
    min-height: 400px;
  }

  .phero .tx {
    padding-inline: 22px;
    padding-bottom: 40px;
  }

  .phero .im img[src*="/factory-exterior-concept.jpg?v="] {
    object-position: 52% 50%;
  }

  .phero .im img[src$="/factory-hand-molding-concept.jpg"] {
    object-position: 57% 49%;
  }

  .phero .im img[src*="/quality-inspection-concept.jpg?v="] {
    object-position: 49% 48%;
  }

  .phero .im img[src$="/hero-casting.jpg"] {
    object-position: 50% 50%;
  }

  .rp img[src$="/factory-hand-molding-concept.jpg"] {
    object-position: 57% 49%;
  }

  .rp img[src*="/quality-inspection-concept.jpg?v="] {
    object-position: 49% 48%;
  }

  .dfig .im img[src$="/craft-hand-molding.jpg"] {
    object-position: 60% 50%;
  }

  .sec {
    padding-block: 72px;
  }

  .sec.tight {
    padding-block: 60px;
  }

  .two,
  .three {
    grid-template-columns: minmax(0, 1fr);
    gap: 30px;
  }

  .stance,
  .feature-grid,
  .link-cards,
  .company-grid {
    grid-template-columns: 1fr;
  }

  .stance--actions > div {
    flex-basis: 100%;
  }

  .hist .row {
    grid-template-columns: 88px 1fr;
    gap: 10px;
  }

  .hist .w {
    display: none;
  }

  .equipment > div,
  .info-list > div {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .contact-cta .inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .ft .top {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .access-map picture {
    aspect-ratio: 6 / 5;
  }

  .access-map figcaption {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .map-mobile-note {
    display: inline;
  }

  .map-frame-body {
    padding: 24px 22px 28px;
  }

  .pgrid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .products-showcase .pgrid--verified {
    grid-template-columns: 1fr;
  }

  .products-showcase .pgrid--verified > .pcard--verified {
    grid-column: 1 / -1;
  }

  .field.full,
  .check-field {
    grid-column: auto;
  }

  .news-list li {
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .process-list article {
    display: block;
  }

  .tech-fig {
    margin-inline: 0;
  }
}

@media (max-width: 560px) {
  .mat {
    grid-template-columns: 1fr;
  }

  .hd .cta {
    padding: 8px 12px;
    font-size: 10px;
  }

  .hd .lg b {
    font-size: 13px;
  }

  .hd .lg .lg-mark {
    height: 33px;
  }

  .phero h1 {
    font-size: clamp(29px, 9.6vw, 42px);
  }

  .dfig .im {
    min-height: 300px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal-ready {
    opacity: 1;
    transform: none;
  }
}