/* ==========================================================
   spin rough — corporate site
   アートディレクション(2026-08-03改定:nahato.co.jpトレース)
   - ベースは黒(#000 / #151515)。ライトは #FFF / #F8F8F4
   - アクセントは「朝日のオレンジ→赤橙」2色グラデーションのみ
   - 英字=Inter/日本語見出し=Noto Sans JP 800/本文=システムフォント(run-tec実測トレース)
   - 演出:clip-pathワイプ / 無限ティッカー / 0.5〜0.6sフェード
   - イージングは cubic-bezier(0.4, 0, 0.2, 1) に統一
   ========================================================== */

/* ---------- Design tokens ---------- */
:root {
  /* color(nahatoトレース) */
  --c-black: #000000;         /* ベース(ダークセクション) */
  --c-black-2: #151515;       /* ダークの2階調目 */
  --c-white: #FFFFFF;
  --c-off-white: #F8F8F4;
  --c-orange: #F39800;        /* 単色で使う場合のオレンジ */
  --grad-accent: linear-gradient(90deg, #FFAA00 0%, #FF5307 100%);   /* CTA・強調の主グラデ */
  --grad-accent-2: linear-gradient(50deg, #FF4F00 0%, #F7B52C 100%); /* キーワード文字用 */
  --c-text-on-dark: #F2F2F2;
  --c-text-on-light: #1A1A1A;
  --c-muted-on-dark: rgba(255, 255, 255, 0.55);
  --c-muted-on-light: rgba(26, 26, 26, 0.55);
  --hairline-on-dark: rgba(255, 255, 255, 0.08);
  --hairline-on-light: rgba(0, 0, 0, 0.12);

  /* typography(run-tec実測トレース:英字=Inter/見出し=Noto Sans JP 800/本文=システム) */
  --font-jp: "Noto Sans JP", sans-serif;
  --font-en: "Inter", "Noto Sans JP", sans-serif;
  --font-body: -apple-system, "system-ui", "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Noto Sans JP", sans-serif;
  --lh-body: 1.8;

  /* motion(nahatoトレース) */
  --ease-out: cubic-bezier(0.4, 0, 0.2, 1);

  /* layout */
  --header-h: 64px;
  --container-w: 1160px;
  --container-pad: 20px;
}

@media (min-width: 768px) {
  :root {
    --header-h: 76px;
    --container-pad: 40px;
  }
}

/* テキスト選択・フォーカスにもブランド色を通す */
::selection {
  background-color: #FF5307;
  color: #FFFFFF;
}

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

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: var(--lh-body);
  color: var(--c-text-on-light);
  background-color: var(--c-white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* 全面に2%のノイズテクスチャ(feTurbulence)を重ねて質感を出す */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 2000;
  pointer-events: none;
  opacity: 0.02;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)'/%3E%3C/svg%3E");
}

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

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

ul,
ol {
  list-style: none;
}

table {
  border-collapse: collapse;
  width: 100%;
}

/* ---------- Layout ---------- */
.container {
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.container--narrow {
  max-width: 820px;
}

.section {
  position: relative;
  padding-block: 88px;
}

@media (min-width: 768px) {
  .section {
    padding-block: 160px; /* PCは140〜180pxの範囲 */
  }
}

/* ダーク:黒ベタ(nahatoトレース)。質感は全面ノイズ+ゴーストテキストで出す */
.section--dark {
  background-color: var(--c-black);
  color: var(--c-text-on-dark);
}

/* run-tecの階調手法:ダーク上の本文はトーンを一段落として見出しを立てる */
.section--dark p {
  color: rgba(255, 255, 255, 0.75);
}

.section--dark--alt {
  background-color: var(--c-black-2);
}

.section--light {
  background-color: var(--c-white);
  color: var(--c-text-on-light);
}

.section--off {
  background-color: var(--c-off-white);
  color: var(--c-text-on-light);
}

/* 12カラムグリッド(モバイルは縦積み) */
.grid-12 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px 24px;
}

@media (min-width: 900px) {
  .grid-12 {
    grid-template-columns: repeat(12, 1fr);
    gap: 40px 32px;
  }

  .gc-l5 { grid-column: 1 / span 5; }
  .gc-l6 { grid-column: 1 / span 6; }
  .gc-l7 { grid-column: 1 / span 7; }
  .gc-r5 { grid-column: 8 / span 5; }
  .gc-r6 { grid-column: 7 / span 6; }
  .gc-full { grid-column: 1 / -1; }
  .self-end { align-self: end; }
}

/* スマホ・タブレットのみ改行(見出しの折り返し位置の制御) */
.br-sp {
  display: none;
}

@media (max-width: 899px) {
  .br-sp {
    display: inline;
  }
}

/* PCのみ改行(モバイルでは自然な折り返しに任せる) */
@media (max-width: 767px) {
  .br-pc {
    display: none;
  }
}

/* 1pxヘアライン(枠線の代わりの区切り) */
.hairline {
  border: 0;
  height: 1px;
  background-color: var(--hairline-on-light);
}

.section--dark .hairline {
  background-color: var(--hairline-on-dark);
}

/* ---------- Typography ---------- */
/* ヒーロー見出し:PCで80〜110px相当 */
.heading-hero {
  font-size: clamp(2.25rem, 8vw, 5rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.heading-xl {
  font-size: clamp(2.25rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.heading-lg {
  font-size: clamp(1.75rem, 4.5vw, 3rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.heading-md {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 700;
  line-height: 1.45;
}

.section--dark .heading-hero,
.section--dark .heading-xl,
.section--dark .heading-lg,
.section--dark .heading-md {
  color: var(--c-white);
}

/* 日本語見出し:Noto Sans JP+プロポーショナル詰め(ベタ組みを卒業する) */
.heading-hero,
.heading-xl,
.heading-lg,
.heading-md,
.statement,
.statement-close {
  font-family: var(--font-jp);
  font-feature-settings: "palt";
}

/* セクションラベル:「01 / MISSION」形式。オレンジにしない */
.section-label {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--c-muted-on-light);
  margin-bottom: 20px;
}

/* ラベル先頭の短いヘアライン(視線のアンカー) */
.section-label::before {
  content: "";
  flex-shrink: 0;
  width: 28px;
  height: 1px;
  background-color: currentColor;
  opacity: 0.6;
}

.section--dark .section-label {
  color: var(--c-muted-on-dark);
}

.lead {
  font-size: 1.0625rem;
  line-height: 2;
}

.text-muted {
  color: var(--c-muted-on-light);
}

.section--dark .text-muted {
  color: var(--c-muted-on-dark);
}

/* キーワード強調:1画面に1箇所まで。朝日の2色グラデ文字 */
.text-accent {
  background: var(--grad-accent-2);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* 蛍光マーカー下線(ライト背景の強調用。nahatoトレース) */
.marker {
  background: linear-gradient(transparent 82%, #FFE400 0%);
}

/* 巨大な英字ゴーストテキスト(背景装飾) */
.has-ghost {
  overflow: hidden; /* ゴーストのはみ出しを切る */
}

.ghost-text {
  position: absolute;
  z-index: 0;
  font-family: var(--font-en);
  font-size: clamp(6rem, 22vw, 19rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  color: var(--c-text-on-light);
  opacity: 0.04;
}

.section--dark .ghost-text {
  color: var(--c-white);
  opacity: 0.05;
}

.ghost-text--tr {
  top: 0.05em;
  right: -0.15em;
}

.ghost-text--bl {
  bottom: -0.12em;
  left: -0.08em;
}

/* ---------- Buttons(矩形・角丸2px・矢印つき) ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 54px;
  padding: 14px 24px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.02em;
  border-radius: 2px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.btn__arrow {
  display: inline-block;
  font-family: var(--font-en);
  transition: transform 0.3s var(--ease-out);
}

.btn:hover .btn__arrow {
  transform: translateX(4px);
}

.btn--primary {
  background: linear-gradient(90deg, #FFAA00 0%, #FF5307 55%, #E03C00 100%);
  background-size: 180% 100%;
  background-position: 0% 0;
  color: var(--c-white);
  transition: background-position 0.5s var(--ease-out), color 0.3s ease, border-color 0.3s ease;
}

.btn--primary:hover {
  background-position: 100% 0;
}

.btn--ghost-dark {
  border-color: rgba(255, 255, 255, 0.24);
  color: var(--c-white);
}

.btn--ghost-dark:hover {
  border-color: rgba(255, 255, 255, 0.7);
}

.btn--ghost-light {
  border-color: rgba(27, 42, 58, 0.28);
  color: var(--c-text-on-light);
}

.btn--ghost-light:hover {
  border-color: rgba(27, 42, 58, 0.7);
}

/* テキストリンク:下線が左からスライド */
.link-line {
  position: relative;
}

.link-line::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 100%;
  height: 1px;
  background-color: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-out);
}

.link-line:hover::after,
.link-line[aria-current="page"]::after {
  transform: scaleX(1);
}

/* ---------- スクロール進捗バー(run-tecトレース。朝日グラデ) ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 120;
  height: 3px;
  width: 0;
  background: var(--grad-accent);
  transition: width 0.1s linear;
  pointer-events: none;
}

/* ---------- 初回訪問時スプラッシュ(計1.4s。ロゴの字間が締まりながら現れる) ---------- */
.splash {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  background-color: var(--c-black);
  animation: splash-out 0.4s ease 1.5s both;
  pointer-events: none;
}

.splash__logo {
  font-family: var(--font-en);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  color: var(--c-white);
  animation: splash-logo 0.8s var(--ease-out) both;
}

.splash__line {
  height: 1px;
  width: 120px;
  background: var(--grad-accent);
  transform: scaleX(0);
  transform-origin: left;
  animation: splash-line 0.6s var(--ease-out) 0.4s both;
}

@keyframes splash-logo {
  from { opacity: 0; letter-spacing: 0.5em; }
  to   { opacity: 1; letter-spacing: 0.02em; }
}

@keyframes splash-line {
  to { transform: scaleX(1); }
}

@keyframes splash-out {
  to { opacity: 0; visibility: hidden; }
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
}

/* 背景ぼかしは疑似要素に分離する。
   header自体にbackdrop-filterを当てると、fixed配置の子(global-nav)の
   基準ボックスがheaderになり、メニューパネルが潰れるため */
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-color: rgba(0, 0, 0, 0.85);
  border-bottom: 1px solid var(--hairline-on-dark);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.site-header__inner {
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ロゴ:G案「branch」(spin白+roughグラデ+3分岐の終点ドット)のインラインSVG */
.site-logo {
  display: inline-flex;
  align-items: center;
}

.site-logo__svg {
  height: 40px;
  width: auto;
  display: block;
  overflow: visible;
}

.site-main {
  padding-top: var(--header-h);
}

/* --- グローバルナビ --- */
/* メニューボタン:長短2本線+MENUラベル。開くと×+CLOSEに変形 */
.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: center;
  gap: 7px;
  width: 52px;
  height: 52px;
  padding: 6px 2px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle__lines {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 7px;
}

.nav-toggle__bar {
  display: block;
  height: 1px;
  background-color: var(--c-white);
  transition: transform 0.3s var(--ease-out), width 0.3s var(--ease-out);
}

.nav-toggle__bar:nth-child(1) {
  width: 28px;
}

.nav-toggle__bar:nth-child(2) {
  width: 18px;
}

.nav-toggle__label {
  font-family: var(--font-en);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.22em;
  line-height: 1;
  color: rgba(255, 255, 255, 0.65);
}

.nav-toggle__label::after {
  content: "MENU";
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  width: 24px;
  transform: translateY(4px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  width: 24px;
  transform: translateY(-4px) rotate(-45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__label::after {
  content: "CLOSE";
}

.global-nav {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background-color: var(--c-black);
  padding: 48px var(--container-pad);
  transform: translateX(100%);
  visibility: hidden;
  transition: transform 0.35s var(--ease-out), visibility 0.35s;
  overflow-y: auto;
}

.global-nav.is-open {
  transform: translateX(0);
  visibility: visible;
}

.global-nav__list {
  display: flex;
  flex-direction: column;
}

.global-nav__link {
  display: block;
  padding: 16px 4px;
  font-family: var(--font-en);
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--c-white);
  border-bottom: 1px solid var(--hairline-on-dark);
}

.global-nav__cta {
  margin-top: 32px;
  border-bottom: none;
}

.global-nav__cta .btn {
  width: 100%;
}

body.nav-open {
  overflow: hidden;
}

@media (min-width: 900px) {
  .nav-toggle {
    display: none;
  }

  .global-nav {
    position: static;
    inset: auto;
    background: none;
    padding: 0;
    transform: none;
    visibility: visible;
    transition: none;
    overflow: visible;
  }

  .global-nav__list {
    flex-direction: row;
    align-items: center;
    gap: 28px;
  }

  .global-nav__link {
    padding: 6px 0;
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    border-bottom: none;
  }

  .global-nav__cta {
    margin: 0 0 0 12px;
  }

  .global-nav__cta .btn {
    width: auto;
    min-height: 42px;
    padding: 8px 20px;
    font-size: 0.875rem;
  }
}

/* ---------- Footer ---------- */
/* フッター冒頭の大型お問い合わせCTA(サイトの締めの顔) */
.site-footer__cta {
  padding-block: 64px;
  border-bottom: 1px solid var(--hairline-on-dark);
}

.site-footer__cta-link {
  font-family: var(--font-jp);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  font-size: clamp(1.75rem, 5vw, 3.25rem);
  font-weight: 900;
  line-height: 1.3;
  font-feature-settings: "palt";
  color: var(--c-white);
}

.site-footer__cta-link .btn__arrow {
  font-size: 0.75em;
  transition: transform 0.4s var(--ease-out);
}

.site-footer__cta-link:hover .btn__arrow {
  transform: translateX(10px);
}

.site-footer__cta-sub {
  margin-top: 14px;
  font-size: 0.875rem;
  color: var(--c-muted-on-dark);
}

.site-footer {
  position: relative;
  background-color: var(--c-black);
  border-top: 1px solid var(--hairline-on-dark);
  color: var(--c-text-on-dark);
  padding-block: 0 36px;
  overflow: hidden;
}

.site-footer__inner {
  padding-top: 64px;
}

.site-footer > * {
  position: relative;
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.site-footer .site-logo__svg {
  height: 48px;
}

.site-footer__company {
  margin-top: 20px;
  font-size: 0.8125rem;
  line-height: 2;
  color: var(--c-muted-on-dark);
}

.site-footer__nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, max-content));
  gap: 12px 40px;
}

.site-footer__nav a {
  display: inline-block;
  font-size: 0.875rem;
}

.site-footer__legal {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid var(--hairline-on-dark);
  font-size: 0.75rem;
  color: var(--c-muted-on-dark);
}

.site-footer__copy {
  font-family: var(--font-en);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.4);
}

@media (min-width: 768px) {
  .site-footer__inner {
    flex-direction: row;
    justify-content: space-between;
  }

  .site-footer__legal {
    align-items: center;
    justify-content: space-between;
  }
}

/* ---------- Page header(下層ページ共通の題字) ---------- */
.page-header {
  padding-block: 64px;
}

@media (min-width: 768px) {
  .page-header {
    padding-block: 112px;
  }
}

/* ---------- Motion ---------- */
/* スクロール出現(run-tec実測値):translateY(40px)+opacity、0.8s、
   animation方式(transform遷移をhoverリフトと分離するため)。発火は1回のみ */
html.js .reveal {
  opacity: 0;
}

.reveal.is-visible {
  animation: reveal-up 0.8s var(--ease-out) both;
}

/* 時差(run-tec実測:0 / 150 / 300ms) */
.reveal-d2.is-visible { animation-delay: 0.15s; }
.reveal-d3.is-visible { animation-delay: 0.3s; }

@keyframes reveal-up {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 行ごとの時間差出現(ヒーロー見出し等)。子要素に0.1秒ずつの差 */
html.js .stagger > * {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.stagger.is-visible > * {
  opacity: 1;
  transform: translateY(0);
}

.stagger.is-visible > :nth-child(1) { transition-delay: 0s; }
.stagger.is-visible > :nth-child(2) { transition-delay: 0.1s; }
.stagger.is-visible > :nth-child(3) { transition-delay: 0.2s; }
.stagger.is-visible > :nth-child(4) { transition-delay: 0.3s; }
.stagger.is-visible > :nth-child(5) { transition-delay: 0.4s; }
.stagger.is-visible > :nth-child(6) { transition-delay: 0.5s; }

.stagger-line {
  display: block;
}

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

  .reveal,
  .stagger > * {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .btn__arrow,
  .link-line::after {
    transition: none;
  }
}

/* ==========================================================
   トップページ
   ========================================================== */

/* ---------- Hero(背景動画+黒オーバーレイ。nahatoトレース) ---------- */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: calc(100svh - var(--header-h));
  padding-block: 120px 140px;
  overflow: hidden;
  background-color: var(--c-black); /* 動画ロード前のフォールバック */
  color: var(--c-text-on-dark);
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1.2s ease;
  /* 注意: filterは再生中の全フレームにGPU負荷がかかるため使わない。
     暗さの調整はオーバーレイ(::before/::after)で行う */
}

.hero__bg video.is-active {
  opacity: 1;
}

/* オーバーレイ①:黒の薄いスクリム(全面) */
.hero__bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
}

/* オーバーレイ②:下から上への黒グラデ(文字周りを暗く) */
.hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.8) 0%,
    rgba(0, 0, 0, 0.3) 45%,
    transparent 80%
  );
}

.hero__content {
  position: relative;
  z-index: 2;
}

.hero .section-label {
  color: var(--c-muted-on-dark);
}

/* スクロールキュー(左下。線が往復する控えめな動き) */
.hero__scroll {
  position: absolute;
  z-index: 2;
  left: var(--container-pad);
  bottom: 32px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
}

.hero__scroll::after {
  content: "";
  width: 56px;
  height: 1px;
  background-color: rgba(255, 255, 255, 0.6);
  animation: scroll-sweep 2.6s var(--ease-out) infinite;
}

@keyframes scroll-sweep {
  0%   { transform: scaleX(0); transform-origin: left; }
  45%  { transform: scaleX(1); transform-origin: left; }
  55%  { transform: scaleX(1); transform-origin: right; }
  100% { transform: scaleX(0); transform-origin: right; }
}

/* ---------- ワイプ出現(clip-path左→右。nahatoトレース) ---------- */
.wipe {
  display: block;
}

html.js .wipe {
  opacity: 0;
  -webkit-clip-path: polygon(0 0, 0% 0, 0% 100%, 0% 100%);
  clip-path: polygon(0 0, 0% 0, 0% 100%, 0% 100%);
}

.wipe.is-visible {
  animation: wipe-mask 1s var(--ease-out) forwards;
}

.wipe.is-visible.wipe-d2 { animation-delay: 0.15s; }
.wipe.is-visible.wipe-d3 { animation-delay: 0.3s; }

@keyframes wipe-mask {
  0% {
    opacity: 0;
    -webkit-clip-path: polygon(0 0, 0% 0, 0% 100%, 0% 100%);
    clip-path: polygon(0 0, 0% 0, 0% 100%, 0% 100%);
  }
  100% {
    opacity: 1;
    -webkit-clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
  }
}

/* ---------- 無限ティッカー(nahatoトレース) ---------- */
.ticker {
  overflow: hidden;
  background-color: var(--c-black);
  padding-block: 12px;
}

.ticker__track {
  display: flex;
  width: max-content;
  animation: ticker-play 30s linear infinite;
}

.ticker__item {
  font-family: var(--font-en);
  font-size: clamp(3.5rem, 9vw, 7rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  white-space: nowrap;
  color: var(--c-white);
  opacity: 0.07;
  padding-right: 0.6em;
}

@keyframes ticker-play {
  to { transform: translate3d(-50%, 0, 0); }
}

/* 見出し:行ごとに下から「せり上がる」 */
.rise {
  display: block;
  overflow: hidden;
}

.rise > span {
  display: block;
}

html.js .rise > span {
  transform: translateY(110%);
  transition: transform 0.9s var(--ease-out);
}

.rise-group.is-visible .rise > span {
  transform: translateY(0);
}

.rise-group.is-visible .rise:nth-child(1) > span { transition-delay: 0s; }
.rise-group.is-visible .rise:nth-child(2) > span { transition-delay: 0.12s; }
.rise-group.is-visible .rise:nth-child(3) > span { transition-delay: 0.24s; }
.rise-group.is-visible .rise:nth-child(4) > span { transition-delay: 0.36s; }

/* ヒーロー見出し:ロード時に自動でワイプ出現(JS不要。確実に表示させる) */
.wipe-auto {
  display: block;
  animation: wipe-mask 1s var(--ease-out) both;
}

.wipe-auto--2 {
  animation-delay: 0.15s;
}

.wipe-auto--3 {
  animation-delay: 0.3s;
}

/* サブコピー・CTA:見出しの後に順次フェード(ロード時に自動再生) */
.hero-fade--1 {
  animation: fade-up 0.8s var(--ease-out) 0.5s both;
}

.hero-fade--2 {
  animation: fade-up 0.8s var(--ease-out) 0.65s both;
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 信頼要素の帯(ヒーロー直下) ---------- */
.trust-band {
  background-color: var(--c-black);
  color: var(--c-muted-on-dark);
  border-top: 1px solid var(--hairline-on-dark);
}

.trust-band__list {
  display: flex;
  flex-direction: column;
}

.trust-band__item {
  padding: 14px 4px;
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  border-top: 1px solid var(--hairline-on-dark);
}

.trust-band__item:first-child {
  border-top: none;
}

@media (min-width: 768px) {
  .trust-band__list {
    flex-direction: row;
    justify-content: center;
  }

  .trust-band__item {
    padding: 20px 40px;
    border-top: none;
    border-left: 1px solid var(--hairline-on-dark);
  }

  .trust-band__item:first-child {
    border-left: none;
  }
}

/* ---------- 差別化リスト(businessティザー) ---------- */
.feature-list {
  margin-top: 56px;
}

.feature {
  display: grid;
  gap: 6px 32px;
  padding-block: 26px;
  border-top: 1px solid var(--hairline-on-dark);
}

.feature:last-child {
  border-bottom: 1px solid var(--hairline-on-dark);
}

.feature__no {
  font-family: var(--font-en);
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.45);
}

.feature__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--c-white);
}

.feature__desc {
  font-size: 0.9375rem;
  color: var(--c-text-on-dark);
}

@media (min-width: 900px) {
  .feature {
    grid-template-columns: 90px 300px 1fr;
    align-items: baseline;
  }
}

/* ---------- 会社概要ファクト(companyティザー) ---------- */
.fact-list {
  margin-top: 40px;
}

.fact {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 16px;
  padding-block: 14px;
  border-top: 1px solid var(--hairline-on-light);
  font-size: 0.9375rem;
}

.fact:last-child {
  border-bottom: 1px solid var(--hairline-on-light);
}

.fact dt {
  font-weight: 500;
  color: var(--c-muted-on-light);
}

/* ---------- お知らせ(newsティザー) ---------- */
.news-list {
  margin-top: 40px;
}

.news-item {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 8px 24px;
  padding-block: 18px;
  border-top: 1px solid var(--hairline-on-light);
  font-size: 0.9375rem;
}

.news-item:last-child {
  border-bottom: 1px solid var(--hairline-on-light);
}

.news-item__date {
  font-family: var(--font-en);
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
  color: var(--c-muted-on-light);
}

@media (max-width: 767px) {
  .news-item {
    grid-template-columns: 1fr;
  }
}

/* ---------- reduced-motion(トップページ分) ---------- */
@media (prefers-reduced-motion: reduce) {
  /* 背景動画はJS側で再生を止める(main.js) */
  .wipe,
  .wipe.is-visible,
  .wipe-auto,
  .hero-fade--1,
  .hero-fade--2 {
    animation: none;
    opacity: 1;
    transform: none;
    -webkit-clip-path: none;
    clip-path: none;
  }

  .ticker__track {
    animation: none;
  }

  .hero__scroll::after {
    animation: none;
  }

  .scroll-progress {
    transition: none;
  }

  .splash {
    display: none;
  }

  .rise > span {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ==========================================================
   下層ページ共通
   ========================================================== */

/* ---------- データテーブル(会社概要・特商法など。白基調で信頼感優先) ---------- */
.data-table {
  width: 100%;
}

.data-table tr {
  border-bottom: 1px solid var(--hairline-on-light);
}

.data-table tr:first-child {
  border-top: 1px solid var(--hairline-on-light);
}

.data-table th,
.data-table td {
  padding: 22px 8px;
  text-align: left;
  vertical-align: top;
  font-size: 0.9375rem;
  line-height: 1.9;
}

.data-table th {
  width: 160px;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--c-muted-on-light);
  white-space: nowrap;
}

@media (max-width: 767px) {
  .data-table th,
  .data-table td {
    display: block;
    width: auto;
  }

  .data-table th {
    padding-bottom: 0;
  }

  .data-table td {
    padding-top: 6px;
  }
}

/* ---------- 代表挨拶 ---------- */
.message-sign {
  margin-top: 40px;
  font-size: 0.9375rem;
  line-height: 1.8;
}

.message-sign__role {
  display: block;
  font-size: 0.8125rem;
  color: var(--c-muted-on-light);
}

.message-sign__name {
  font-size: 1.125rem;
  font-weight: 700;
}

/* ---------- 理念ページ(about) ---------- */
/* セクションラベルの日本語添え(例:02 / Mission ミッション) */
.section-label__jp {
  font-family: var(--font-jp);
  letter-spacing: 0.12em;
}

/* 理念ステートメント:ページの主役。大きく、余白たっぷりで */
.statement {
  font-size: clamp(1.875rem, 4.6vw, 3.375rem);
  font-weight: 800;
  line-height: 1.5;
  letter-spacing: 0.01em;
  margin-top: 36px;
}

.section--dark .statement {
  color: var(--c-white);
}

/* 本文(読ませる段落):幅を絞り、行間を広く */
.prose {
  max-width: 36em;
  font-size: 1.0625rem;
  line-height: 2.05;
}

.prose + .prose {
  margin-top: 28px;
}

/* 結びの一文(セクションの締め) */
.statement-close {
  margin-top: 40px;
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.8;
}

.section--dark .statement-close {
  color: var(--c-white);
}

/* 補足ポイント:番号つきの2カラム */
.point-grid {
  display: grid;
  gap: 40px;
  margin-top: 72px;
}

.point {
  border-top: 1px solid var(--hairline-on-light);
  padding-top: 24px;
}

.point__no {
  display: block;
  font-family: var(--font-en);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--c-muted-on-light);
}

.point__text {
  margin-top: 14px;
  font-size: 1.0625rem;
  line-height: 2;
}

@media (min-width: 900px) {
  .point-grid {
    grid-template-columns: 1fr 1fr;
    gap: 56px;
  }
}

/* 3本柱(ビジョンの定義・バリューの三方) */
.pillar-grid {
  display: grid;
  gap: 40px;
  margin-top: 72px;
}

.pillar {
  border-top: 1px solid var(--hairline-on-light);
  padding-top: 24px;
  transition: transform 0.3s var(--ease-out);
}

.pillar:hover {
  transform: translateY(-4px);
}

.section--dark .pillar {
  border-top-color: var(--hairline-on-dark);
}

.pillar__en {
  display: block;
  font-family: var(--font-en);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-muted-on-light);
}

.section--dark .pillar__en {
  color: var(--c-muted-on-dark);
}

.pillar__term {
  margin-top: 8px;
  font-size: 1.375rem;
  font-weight: 700;
}

.section--dark .pillar__term {
  color: var(--c-white);
}

.pillar__desc {
  margin-top: 14px;
  font-size: 0.9375rem;
  line-height: 2;
}

.pillar__items {
  margin-top: 14px;
}

.pillar__items li {
  padding-block: 8px;
  font-size: 0.9375rem;
  line-height: 1.9;
}

.section--dark .pillar__items li {
  color: var(--c-text-on-dark);
}

@media (min-width: 900px) {
  .pillar-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
  }
}

/* ---------- お問い合わせフォーム(白基調) ---------- */
.form-field {
  margin-bottom: 28px;
}

.form-field__label {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.form-field__required {
  display: inline-block;
  margin-left: 8px;
  font-size: 0.6875rem;
  font-weight: 700;
  color: #C0400B;
}

.form-field__input,
.form-field__textarea {
  width: 100%;
  padding: 14px 16px;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--c-text-on-light);
  background-color: var(--c-white);
  border: 1px solid rgba(0, 0, 0, 0.24);
  border-radius: 2px;
  transition: border-color 0.3s ease;
}

.form-field__input:focus,
.form-field__textarea:focus {
  outline: none;
  border-color: var(--c-orange);
}

.form-field__textarea {
  min-height: 180px;
  resize: vertical;
}

.form-consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.875rem;
  line-height: 1.8;
  margin-bottom: 32px;
}

.form-consent input {
  margin-top: 6px;
  width: 16px;
  height: 16px;
  accent-color: #E8890F;
}

.form-note {
  font-size: 0.8125rem;
  color: var(--c-muted-on-light);
  line-height: 1.9;
}

/* ---------- Placeholder(代表写真など準備中素材) ---------- */
.placeholder-media {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #D8DCE1;
  color: #5A6572;
  font-size: 0.9375rem;
  font-weight: 700;
  text-align: center;
  line-height: 1.6;
  aspect-ratio: 3 / 4;
  border-radius: 4px;
}

/* ---------- 最終保険:motion-done ----------
   アニメーションが進まない環境(バックグラウンド描画停止等)でも、
   ロード4秒後(main.js)には必ず全コンテンツを表示状態にする */
html.motion-done .reveal,
html.motion-done .stagger > *,
html.motion-done .rise > span,
html.motion-done .hero-fade--1,
html.motion-done .hero-fade--2,
html.motion-done .wipe,
html.motion-done .wipe-auto {
  animation: none !important;
  transition: none !important;
  opacity: 1 !important;
  transform: none !important;
  -webkit-clip-path: none !important;
  clip-path: none !important;
}