/* ============================================================
   STEREORYNCH — Design System "LOUD PAPER"
   紙は静かに、大音量で語る。
   ------------------------------------------------------------
   Tokens → Base → Layout → Components → Sections → Motion states
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  /* Color */
  --ink: #131110;          /* 本文・見出し */
  --ink-soft: #55504a;     /* 補助テキスト */
  --paper: #f4f1ea;        /* ベース背景（温かみのある紙白） */
  --paper-dim: #eae5db;    /* 紙のかげ */
  --stage: #0e0d0c;        /* ダークセクション（ステージ黒） */
  --stage-soft: #191715;
  --white: #f9f7f2;
  --red: #e0342b;          /* パンクレッド（アクセント/大サイズ用） */
  --red-deep: #b52a22;
  /* 小サイズテキスト用（WCAG AA 4.5:1 以上） */
  --red-text-light: #b52a22; /* on paper: 5.6:1 */
  --red-text-dark: #ef5449;  /* on stage: 5.6:1 */
  --line: rgba(19, 17, 16, 0.14);
  --line-onDark: rgba(249, 247, 242, 0.18);

  /* Type */
  --font-jp: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", sans-serif;
  --font-en: "Anton", "Zen Kaku Gothic New", sans-serif;

  /* Fluid type scale */
  --fs-hero: clamp(2.05rem, 8.2vw, 7.2rem);
  --fs-h2: clamp(2rem, 5.6vw, 4.6rem);
  --fs-h3: clamp(1.3rem, 2.2vw, 1.75rem);
  --fs-body: clamp(0.95rem, 1.1vw, 1.05rem);
  --fs-small: 0.8rem;

  /* Space */
  --space-section: clamp(6rem, 14vw, 12rem);
  --gutter: clamp(1.25rem, 4vw, 4rem);
  --max-w: 1280px;

  /* Motion */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 0.7s;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 5rem; }

body {
  font-family: var(--font-jp);
  font-size: var(--fs-body);
  font-weight: 500;
  line-height: 2;
  letter-spacing: 0.04em;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
a { color: inherit; text-decoration: none; }
em { font-style: normal; }
address { font-style: normal; }

::selection { background: var(--red); color: var(--white); }

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

.skip-link {
  position: fixed;
  top: 0.75rem; left: 0.75rem;
  z-index: 200;
  padding: 0.6em 1.2em;
  background: var(--ink);
  color: var(--white);
  font-size: var(--fs-small);
  border-radius: 999px;
  transform: translateY(-300%);
  transition: transform 0.3s var(--ease-out);
}
.skip-link:focus { transform: translateY(0); }

.sp-only { display: none; }

/* ============================================================
   Header
   ============================================================ */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background 0.4s ease, box-shadow 0.4s ease, transform 0.45s var(--ease-out);
}
.header.is-hidden { transform: translateY(-100%); }
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.1rem var(--gutter);
}
.header__logo { display: block; width: clamp(150px, 18vw, 210px); position: relative; }
.header__logo-img { width: 100%; transition: opacity 0.35s ease; }
.header__logo-img--light { position: absolute; inset: 0; opacity: 0; }
/* over light sections */
.header.is-light { background: color-mix(in srgb, var(--paper) 86%, transparent); backdrop-filter: blur(12px); }
.header.is-light .header__logo-img--dark { opacity: 0; }
.header.is-light .header__logo-img--light { opacity: 1; }
/* モバイルメニュー展開時: ヘッダーをメニューの上に出し、ダーク表示に固定 */
.header.is-menu-open {
  z-index: 130;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
  transform: none;
}
.header.is-menu-open .header__logo-img--dark { opacity: 1; }
.header.is-menu-open .header__logo-img--light { opacity: 0; }

.header__list { display: flex; align-items: center; gap: clamp(1.2rem, 2.6vw, 2.4rem); }
.header__link {
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--white);
  display: inline-flex;
  align-items: baseline;
  gap: 0.45em;
  position: relative;
  padding: 0.3em 0;
  transition: color 0.35s ease;
}
.header__link-num {
  font-family: var(--font-en);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: var(--red-text-dark);
}
.header.is-light .header__link-num { color: var(--red-text-light); }
.header__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s var(--ease-out);
}
.header__link:hover::after { transform: scaleX(1); transform-origin: left; }
.header.is-light .header__link { color: var(--ink); }

.header__cta {
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  white-space: nowrap;
  color: var(--white);
  background: var(--red);
  padding: 0.65em 1.5em;
  border-radius: 999px;
  transition: background 0.3s ease, transform 0.3s var(--ease-out);
}
.header__cta:hover { background: var(--red-deep); transform: translateY(-2px); }

/* Hamburger */
.menu-btn {
  display: none;
  position: relative;
  width: 46px; height: 46px;
  border: 0;
  background: transparent;
  cursor: pointer;
  z-index: 130;
}
.menu-btn span {
  position: absolute;
  left: 10px; right: 10px;
  height: 2px;
  background: var(--white);
  transition: transform 0.4s var(--ease-out), background 0.3s;
}
.header.is-light .menu-btn span { background: var(--ink); }
.menu-btn span:nth-child(1) { top: 18px; }
.menu-btn span:nth-child(2) { top: 27px; }
.menu-btn.is-open span { background: var(--white); }
.menu-btn.is-open span:nth-child(1) { transform: translateY(4.5px) rotate(45deg); }
.menu-btn.is-open span:nth-child(2) { transform: translateY(-4.5px) rotate(-45deg); }

.mobile-menu {
  position: fixed; inset: 0;
  z-index: 120;
  background: var(--stage);
  display: grid;
  place-content: center;
  gap: 3rem;
  text-align: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.45s ease, visibility 0.45s;
}
.mobile-menu.is-open { opacity: 1; visibility: visible; }
.mobile-menu__list { display: grid; gap: 1.6rem; }
.mobile-menu__list a {
  color: var(--white);
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  display: inline-flex;
  align-items: baseline;
  gap: 0.6em;
}
.mobile-menu__list a span {
  font-family: var(--font-en);
  font-size: 0.7rem;
  color: var(--red-text-dark);
}
.mobile-menu__mail a { color: var(--white); font-size: 0.9rem; letter-spacing: 0.05em; border-bottom: 1px solid var(--line-onDark); padding-bottom: 2px; }

/* ============================================================
   Section head (共通)
   ============================================================ */
.section-head {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 0 var(--gutter);
  max-width: var(--max-w);
  margin: 0 auto 3.5rem;
}
.section-head__num {
  font-family: var(--font-en);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--red-text-light);
}
.section-head--onDark .section-head__num { color: var(--red-text-dark); }
.section-head__en {
  font-family: var(--font-en);
  font-size: 0.9rem;
  letter-spacing: 0.22em;
  color: var(--ink-soft);
}
.section-head--onDark .section-head__en { color: rgba(249,247,242,0.55); }
.section-head__title {
  margin-left: auto;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  background: var(--stage);
  color: var(--white);
  padding: clamp(8rem, 18vh, 12rem) 0 0;
  overflow: clip;
}
.hero__bg { position: absolute; inset: 0; pointer-events: none; }
.hero__noise {
  position: absolute; inset: -50%;
  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'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: 0.05;
  animation: grain 1.6s steps(4) infinite;
}
@keyframes grain {
  0% { transform: translate(0,0); }
  25% { transform: translate(-2%,3%); }
  50% { transform: translate(3%,-2%); }
  75% { transform: translate(-3%,-3%); }
  100% { transform: translate(2%,2%); }
}
.hero__glow {
  position: absolute;
  top: -20%; right: -10%;
  width: 60vw; height: 60vw;
  background: radial-gradient(circle, rgba(224,52,43,0.14), transparent 62%);
  filter: blur(20px);
}

.hero__inner {
  position: relative;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.9em;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: rgba(249,247,242,0.75);
  margin-bottom: clamp(1.6rem, 3.5vw, 2.8rem);
}
.hero__kicker-line { width: 3em; height: 1px; background: var(--red); }

.hero__title {
  font-size: var(--fs-hero);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: 0.015em;
}
.hero__title-line { display: block; overflow: hidden; }
.hero__title-line--em em {
  color: var(--red);
  position: relative;
}
.hero__title .char { display: inline-block; will-change: transform; }

.hero__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin: clamp(2rem, 5vw, 3.5rem) 0 clamp(3rem, 7vw, 5rem);
}
.hero__lead {
  font-size: 0.95rem;
  line-height: 2.2;
  color: rgba(249,247,242,0.72);
}
.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 1em;
  font-weight: 700;
  letter-spacing: 0.1em;
  font-size: 0.95rem;
  padding: 1em 2em;
  border: 1px solid var(--line-onDark);
  border-radius: 999px;
  transition: background 0.35s ease, border-color 0.35s ease, transform 0.35s var(--ease-out);
}
.hero__cta:hover {
  background: var(--red);
  border-color: var(--red);
  transform: translateY(-3px);
}
.hero__cta-arrow { transition: transform 0.35s var(--ease-out); }
.hero__cta:hover .hero__cta-arrow { transform: translateX(5px); }

.hero__visual {
  position: relative;
  max-width: min(92vw, 1080px);
  margin: 0 auto;
}
.hero__visual-mask {
  overflow: hidden;
  clip-path: inset(0 0 100% 0);
  border-radius: 6px 6px 0 0;
}
.hero__visual-mask img,
.hero__visual-mask video {
  width: 100%;
  display: block;
  transform: scale(1.12);
  will-change: transform;
}
.hero__visual-cap {
  position: absolute;
  right: 0.2rem;
  bottom: 1rem;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: rgba(249,247,242,0.85);
  background: rgba(14,13,12,0.55);
  padding: 0.4em 0.9em;
  backdrop-filter: blur(4px);
}

/* Marquee */
.marquee {
  border-top: 1px solid var(--line-onDark);
  border-bottom: 1px solid var(--line-onDark);
  padding: 0.9rem 0;
  overflow: clip;
  background: var(--stage);
}
.marquee__track {
  display: flex;
  white-space: nowrap;
  width: max-content;
  animation: marquee 26s linear infinite;
  font-family: var(--font-en);
  font-size: clamp(1rem, 2.2vw, 1.5rem);
  letter-spacing: 0.14em;
  color: rgba(249,247,242,0.5);
}
@keyframes marquee { to { transform: translateX(-50%); } }

/* ============================================================
   Statement
   ============================================================ */
.statement {
  padding: var(--space-section) 0;
  position: relative;
}
/* テキスト左 × 写真右のツーカラム。余白を構造から出さない */
.statement__grid {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: minmax(0, 6.5fr) minmax(0, 4.5fr);
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: center;
}
.statement__text {
  font-size: clamp(1.5rem, 2.6vw, 2.45rem);
  font-weight: 900;
  line-height: 1.95;
  letter-spacing: 0.03em;
}
.statement__text strong { font-weight: 900; }
.statement__solo {
  color: var(--red);
  font-size: 0.62em;
  font-weight: 700;
  white-space: nowrap;
  display: inline-block;
  transform: rotate(-2deg);
}
.statement__media { position: relative; }
.statement__img {
  margin: 0;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 30px 60px -30px rgba(19,17,16,0.35);
}

/* ============================================================
   Speed
   ============================================================ */
.speed {
  background: var(--stage);
  color: var(--white);
  padding: var(--space-section) 0;
  position: relative;
  overflow: clip;
}
.speed__inner { max-width: var(--max-w); margin: 0 auto; padding: 0 var(--gutter); }
.speed .section-head { padding: 0; margin-bottom: 3rem; }
.speed__title {
  font-size: var(--fs-h2);
  font-weight: 900;
  line-height: 1.35;
  letter-spacing: 0.02em;
  margin-bottom: clamp(3rem, 7vw, 5rem);
}
.speed__title-line { display: block; overflow: hidden; }
.speed__title-line--red { color: var(--red); }
.speed__title .char { display: inline-block; }

.speed__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1px;
  background: var(--line-onDark);
  border-top: 1px solid var(--line-onDark);
  border-bottom: 1px solid var(--line-onDark);
  margin-bottom: clamp(2.5rem, 6vw, 4rem);
}
.stat {
  background: var(--stage);
  padding: clamp(1.8rem, 4vw, 3rem) clamp(1rem, 3vw, 2.5rem);
  display: grid;
  gap: 0.5rem;
}
.stat__label {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: rgba(249,247,242,0.5);
  font-weight: 700;
}
.stat__value { font-weight: 900; font-size: 1.2rem; display: flex; align-items: baseline; gap: 0.2em; flex-wrap: wrap; }
.stat__big {
  font-size: clamp(3rem, 6.5vw, 5rem);
  line-height: 1.1;
  letter-spacing: 0.02em;
}
.stat__big--num {
  font-family: var(--font-en);
  letter-spacing: 0.04em;
  color: var(--red);
  font-weight: 400;
}
.stat__unit { font-size: 1.4rem; font-weight: 900; }
.stat__note { font-size: 0.82rem; color: rgba(249,247,242,0.6); }

.speed__body {
  max-width: 46em;
  color: rgba(249,247,242,0.82);
}
.speed__solo { color: var(--red-text-dark); font-weight: 700; }

/* ============================================================
   Service
   ============================================================ */
.service { padding: var(--space-section) 0; }
.service__list {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  gap: clamp(3.5rem, 7vw, 5rem);
}
.card {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: center;
  border-top: 1px solid var(--line);
  padding-top: clamp(2.5rem, 5vw, 3.5rem);
}
.card:nth-child(even) .card__img { order: 2; }
.card__img {
  position: relative;
  overflow: hidden;
  border-radius: 6px;
  aspect-ratio: 4 / 3;
}
/* 写真に重ねる大型番号 */
.card__num {
  position: absolute;
  top: 0.5rem;
  left: 1rem;
  z-index: 1;
  font-family: var(--font-en);
  font-size: clamp(3.5rem, 7vw, 6rem);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 2px rgba(249, 247, 242, 0.9);
  letter-spacing: 0.02em;
  pointer-events: none;
  text-shadow: 0 2px 24px rgba(14, 13, 12, 0.25);
}
.card__img img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(0.35) contrast(1.02);
  transform: scale(1.02);
  transition: filter 0.6s ease, transform 1s var(--ease-out);
}
.card:hover .card__img img { filter: none; transform: scale(1.07); }
.card__index {
  font-family: var(--font-en);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--red-text-light);
}
.card__title {
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  font-weight: 900;
  letter-spacing: 0.04em;
  margin: 0.4rem 0 0.6rem;
}
.card__price {
  color: var(--red);
  font-family: var(--font-en);
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  letter-spacing: 0.05em;
  line-height: 1;
  margin-bottom: 1.2rem;
  display: flex;
  align-items: baseline;
  gap: 0.6em;
}
.card__price::after {
  content: "TAX EXCL.";
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  color: var(--ink-soft);
}
.card__desc { color: var(--ink-soft); font-size: 0.95rem; }

/* ============================================================
   Ghost
   ============================================================ */
.ghost {
  background: var(--stage);
  color: var(--white);
  padding: var(--space-section) 0;
  overflow: clip;
  position: relative;
  text-align: center;
}
.ghost__marquee {
  position: absolute;
  top: 50%;
  left: 0; right: 0;
  transform: translateY(-50%);
  overflow: clip;
  pointer-events: none;
  opacity: 0.07;
}
.ghost__marquee-track {
  display: flex;
  white-space: nowrap;
  width: max-content;
  animation: marquee 30s linear infinite;
  font-family: var(--font-en);
  font-size: clamp(5rem, 14vw, 11rem);
  line-height: 1;
  letter-spacing: 0.04em;
}
.ghost__text {
  position: relative;
  font-size: clamp(1.35rem, 3.2vw, 2.5rem);
  font-weight: 900;
  line-height: 2.1;
  letter-spacing: 0.04em;
  padding: 0 var(--gutter);
}
.ghost__quote { color: var(--red); }

/* ============================================================
   Company
   ============================================================ */
.company { padding: var(--space-section) 0; }
/* コンパクトな2カラムグリッド。1pxラインでセル分割 */
.company__table {
  max-width: min(92vw, 880px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
}
.company__row {
  background: var(--paper);
  padding: 1.15rem 1.4rem;
}
.company__row--full { grid-column: 1 / -1; }
.company__row dt {
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--ink-soft);
  margin-bottom: 0.35rem;
}
.company__row dd { font-size: 0.93rem; line-height: 1.9; }
.company__note { font-size: 0.78rem; color: var(--ink-soft); margin-left: 0.6em; }
.company__row dd a { border-bottom: 1px solid var(--line); transition: color 0.3s, border-color 0.3s; }
.company__row dd a:hover { color: var(--red); border-color: var(--red); }
.company__row ul { display: grid; gap: 0.3rem; }
.company__row li::before { content: "— "; color: var(--red); }

/* ============================================================
   Contact
   ============================================================ */
.contact {
  background: var(--stage);
  color: var(--white);
  padding: var(--space-section) 0;
}
.contact__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  text-align: center;
}
.contact .section-head { justify-content: center; }
.contact .section-head__title { margin-left: 0; }
.contact__lead {
  margin-bottom: clamp(2.5rem, 6vw, 4rem);
  color: rgba(249,247,242,0.8);
}
/* お問い合わせフォーム（Netlify Forms） */
.contact-form {
  max-width: 560px;
  margin: 0 auto clamp(1.8rem, 4vw, 2.5rem);
  text-align: left;
  display: grid;
  gap: 1.4rem;
}
.contact-form__trap { position: absolute; left: -9999px; opacity: 0; }
@media (min-width: 861px) {
  .contact-form { grid-template-columns: 1fr 1fr; }
  .contact-form__row--message,
  .contact-form__submit,
  .contact-form__trap { grid-column: 1 / -1; }
}
.contact-form__row { display: grid; gap: 0.45rem; }
.contact-form__label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: rgba(249, 247, 242, 0.8);
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
}
.contact-form__req {
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: var(--white);
  background: var(--red);
  padding: 0.15em 0.6em;
  border-radius: 3px;
}
.contact-form__input {
  width: 100%;
  font: inherit;
  font-size: 0.95rem;
  color: var(--white);
  background: var(--stage-soft);
  border: 1px solid var(--line-onDark);
  border-radius: 6px;
  padding: 0.85em 1em;
  transition: border-color 0.3s ease, background 0.3s ease;
}
.contact-form__input:focus {
  outline: none;
  border-color: var(--red);
  background: #201d1b;
}
.contact-form__input--textarea { resize: vertical; min-height: 8em; }
.contact-form__submit {
  justify-self: center;
  display: inline-flex;
  align-items: center;
  gap: 0.9em;
  font: inherit;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--white);
  background: var(--red);
  border: 0;
  border-radius: 999px;
  padding: 1em 3.2em;
  cursor: pointer;
  transition: background 0.3s ease, transform 0.3s var(--ease-out);
}
.contact-form__submit:hover { background: var(--red-deep); transform: translateY(-3px); }
.contact-form__submit span { transition: transform 0.3s var(--ease-out); }
.contact-form__submit:hover span { transform: translateX(5px); }
.contact__alt { font-size: 0.85rem; color: rgba(249, 247, 242, 0.6); }
.contact__alt a { border-bottom: 1px solid var(--line-onDark); transition: color 0.3s; }
.contact__alt a:hover { color: var(--red-text-dark); }

.contact__cta {
  display: inline-flex;
  align-items: center;
  gap: clamp(1.5rem, 4vw, 3rem);
  padding: clamp(1.6rem, 4vw, 2.4rem) clamp(2rem, 6vw, 4.5rem);
  border: 1px solid var(--line-onDark);
  border-radius: 999px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.4s ease, transform 0.4s var(--ease-out);
}
.contact__cta::before {
  content: "";
  position: absolute; inset: 0;
  background: var(--red);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.45s var(--ease-out);
  z-index: 0;
}
.contact__cta:hover { border-color: var(--red); transform: translateY(-4px); }
.contact__cta:hover::before { transform: scaleY(1); }
.contact__cta-inner { position: relative; z-index: 1; display: grid; gap: 0.2rem; text-align: left; }
.contact__cta-label { font-size: 0.8rem; letter-spacing: 0.2em; font-weight: 700; color: rgba(249,247,242,0.7); }
.contact__cta:hover .contact__cta-label { color: rgba(249,247,242,0.9); }
.contact__cta-mail {
  font-family: var(--font-en);
  font-size: clamp(1.2rem, 3.4vw, 2.2rem);
  letter-spacing: 0.03em;
}
.contact__cta-arrow {
  position: relative; z-index: 1;
  font-size: clamp(1.4rem, 3vw, 2rem);
  transition: transform 0.4s var(--ease-out);
}
.contact__cta:hover .contact__cta-arrow { transform: translateX(8px); }

/* ============================================================
   Footer
   ============================================================ */
.footer {
  background: var(--stage);
  color: var(--white);
  border-top: 1px solid var(--line-onDark);
  padding: clamp(3rem, 7vw, 5rem) 0 2.5rem;
}
.footer__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  gap: 2rem;
}
.footer__logo { width: clamp(200px, 30vw, 320px); }
.footer__address {
  font-size: 0.85rem;
  color: rgba(249,247,242,0.65);
  line-height: 2.1;
}
.footer__address a { border-bottom: 1px solid var(--line-onDark); transition: color 0.3s; }
.footer__address a:hover { color: var(--red); }
.footer__nav { display: flex; flex-wrap: wrap; gap: 1.8rem; font-size: 0.82rem; letter-spacing: 0.08em; }
.footer__nav a { color: rgba(249,247,242,0.75); transition: color 0.3s; }
.footer__nav a:hover { color: var(--red); }
.footer__copy { font-size: 0.72rem; letter-spacing: 0.14em; color: rgba(249,247,242,0.4); }
/* ページ最後のブランドの余韻 — 超大型アウトラインワードマーク */
.footer__wordmark {
  margin-top: clamp(2rem, 5vw, 4rem);
  font-family: var(--font-en);
  font-size: clamp(3.6rem, 13.5vw, 12rem);
  line-height: 0.9;
  text-align: center;
  white-space: nowrap;
  color: transparent;
  -webkit-text-stroke: 1px rgba(249, 247, 242, 0.2);
  letter-spacing: 0.03em;
  user-select: none;
  overflow: clip;
}

/* ============================================================
   Sub page (privacy)
   ============================================================ */
.subpage { padding: clamp(9rem, 20vh, 13rem) 0 var(--space-section); }
.subpage__inner { max-width: min(92vw, 800px); margin: 0 auto; padding: 0 var(--gutter); }
.subpage__title { font-size: var(--fs-h2); font-weight: 900; letter-spacing: 0.04em; margin-bottom: 3rem; }
.subpage__body h2 { font-size: 1.1rem; font-weight: 700; margin: 2.5rem 0 0.8rem; letter-spacing: 0.06em; }
.subpage__body p { color: var(--ink-soft); }
.subpage__date { margin-top: 3rem; font-size: 0.85rem; color: var(--ink-soft); }
.subpage__back {
  display: inline-flex; align-items: center; gap: 0.6em;
  margin-top: 3.5rem;
  font-weight: 700; font-size: 0.9rem; letter-spacing: 0.08em;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 2px;
  transition: color 0.3s, border-color 0.3s;
}
.subpage__back:hover { color: var(--red); border-color: var(--red); }

/* ============================================================
   ダークセクション共通の質感（ヒーローと同じ微細グレイン）
   ============================================================ */
.speed, .ghost, .contact {
  position: relative;
  isolation: isolate;
}
.speed::after, .ghost::after, .contact::after, .message-quote::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  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'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: 0.05;
  pointer-events: none;
}
.message-quote { position: relative; isolation: isolate; }

/* ============================================================
   Message page（代表メッセージ）
   ============================================================ */
.message { padding-bottom: clamp(3rem, 7vw, 5rem); }
.message .subpage__title { margin-bottom: clamp(2.5rem, 6vw, 4rem); }
.message__lead {
  font-size: clamp(1.35rem, 2.6vw, 2rem);
  font-weight: 900;
  line-height: 2;
  letter-spacing: 0.03em;
  margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
}
.message__lead strong { color: var(--red-text-light); }
.message__body p {
  margin-bottom: 1.8em;
  color: var(--ink-soft);
}
.message__body strong {
  color: var(--ink);
  font-weight: 900;
  background: linear-gradient(transparent 68%, color-mix(in srgb, var(--red) 24%, transparent) 68%);
}
.message-quote {
  background: var(--stage);
  color: var(--white);
  padding: clamp(4.5rem, 10vw, 8rem) var(--gutter);
  text-align: center;
}
.message-quote__text {
  font-size: clamp(1.9rem, 5.2vw, 4rem);
  font-weight: 900;
  letter-spacing: 0.06em;
  line-height: 1.6;
}
.message-quote__text span { color: var(--red); }
.message-quote__sign {
  margin-top: clamp(2rem, 5vw, 3rem);
  display: inline-flex;
  align-items: baseline;
  gap: 1em;
}
.message-quote__role {
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  color: rgba(249, 247, 242, 0.6);
  font-weight: 700;
}
.message-quote__name {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-weight: 900;
  letter-spacing: 0.12em;
}
.message__foot { padding-top: clamp(2.5rem, 6vw, 4rem); padding-bottom: var(--space-section); }
.message__foot .subpage__back { margin-top: 0; }

/* ============================================================
   Reveal states (JS hook) — JSなしでも表示される設計
   ============================================================ */
.js [data-reveal] { opacity: 0; transform: translateY(28px); }
.js [data-reveal].is-inview {
  opacity: 1; transform: none;
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}
.js .js-lines .line { display: block; overflow: hidden; }
.js .js-lines .line > span { display: inline-block; transform: translateY(110%); }
.js .js-lines.is-inview .line > span {
  transform: none;
  transition: transform 1s var(--ease-out);
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 860px) {
  /* CV導線: モバイルでもお問い合わせCTAは常時表示（リンク類のみメニューへ） */
  .header__list li:not(:last-child) { display: none; }
  .header__cta { font-size: 0.78rem; padding: 0.6em 1.25em; }
  .header__inner { gap: 0.9rem; }
  .menu-btn { display: block; }
  .sp-only { display: inline; }

  .card { grid-template-columns: 1fr; }
  .card:nth-child(even) .card__img { order: 0; }
  .company__table { grid-template-columns: 1fr; }
  .hero__foot { flex-direction: column; align-items: flex-start; }
  /* モバイル: テキスト→写真の縦積み */
  .statement__grid { display: block; }
  .statement__media { max-width: min(84vw, 460px); margin: 3rem auto 0; }
  .contact__cta { width: min(100%, 480px); justify-content: space-between; }
}

/* ============================================================
   Print — 「資料のプロ」のサイトは印刷でも崩れない
   ============================================================ */
@media print {
  .loader, .header, .mobile-menu, .marquee, .ghost__marquee,
  .hero__bg, .contact-form, .footer__wordmark, .menu-btn { display: none !important; }
  body { background: #fff; color: #000; }
  .hero, .speed, .ghost, .contact, .footer, .message-quote {
    background: #fff !important;
    color: #000 !important;
  }
  .hero { padding-top: 1rem; }
  [data-reveal], .js-lines .line > span { opacity: 1 !important; transform: none !important; }
  .hero__visual-mask { clip-path: none !important; }
  a { color: #000; }
}

/* ============================================================
   Reduced motion — 演出をすべて停止し、内容は完全に表示
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .js [data-reveal],
  .js .js-lines .line > span { opacity: 1 !important; transform: none !important; }
  .hero__visual-mask { clip-path: none !important; }
  .hero__visual-mask img,
  .hero__visual-mask video { transform: none !important; }
}