@charset "UTF-8";

/* =========================================================
   Design Tokens (Monochrome / prime-arx inspired)
   --------------------------------------------------------- */
:root {
  /* Color palette - 白背景に黒、グレー数段、極小アクセント */
  --color-bg: #ffffff;
  --color-bg-alt: #f6f6f4;   /* 薄いアイボリーグレー（柔らかく） */
  --color-bg-dark: #0a0a0a;
  --color-ink: #0a0a0a;       /* 主要テキスト（ニアブラック） */
  --color-ink-2: #2a2a2a;
  --color-text: #1a1a1a;
  --color-text-muted: #777777;
  --color-text-faint: #aaaaaa;
  --color-line: #e6e6e3;
  --color-line-strong: #cfcfcb;
  --color-accent: #0a0a0a;    /* アクセントも黒（ミニマル） */

  /* Typography */
  --font-en: "Lato", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-display: "Lato", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-serif: "Libre Baskerville", "Times New Roman", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --font-jp: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Sans",
             "Hiragino Kaku Gothic ProN", "Yu Gothic UI", Meiryo, sans-serif;
  --font-sans: var(--font-jp);

  --fs-xs: 0.75rem;     /* 12px */
  --fs-sm: 0.8125rem;   /* 13px */
  --fs-base: 0.9375rem; /* 15px - 本文を少し小さく繊細に */
  --fs-md: 1rem;        /* 16px */
  --fs-lg: 1.25rem;     /* 20px */
  --fs-xl: 1.75rem;     /* 28px */
  --fs-2xl: 2.25rem;    /* 36px */
  --fs-3xl: 3rem;       /* 48px */
  --fs-4xl: 4rem;       /* 64px - ヒーロー用 */

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 5rem;
  --space-9: 7rem;
  --space-10: 10rem;

  /* Layout */
  --container-max: 1180px;
  --container-narrow: 760px;
  --radius-sm: 0px;          /* 角丸を最小に（ミニマル） */
  --radius-md: 0px;
  --radius-lg: 0px;

  /* Motion */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --transition: 320ms var(--ease);

  /* Header height */
  --header-h: 80px;
}

/* =========================================================
   Reset / Base
   --------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-jp);
  font-size: var(--fs-base);
  line-height: 1.9;          /* 行間を広めに */
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: 0.03em;
}

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

a {
  color: var(--color-ink);
  text-decoration: none;
  transition: opacity var(--transition), color var(--transition);
}
a:hover { opacity: 0.55; }
a:focus-visible {
  outline: 1px solid var(--color-ink);
  outline-offset: 3px;
}

h1, h2, h3, h4 {
  margin: 0 0 var(--space-4);
  line-height: 1.4;
  color: var(--color-ink);
  font-weight: 700;
  letter-spacing: 0.04em;
}

p { margin: 0 0 var(--space-4); }

ul, ol { margin: 0 0 var(--space-4); padding-left: 1.4em; }
li { margin-bottom: var(--space-2); }

/* English / display utilities */
.en {
  font-family: var(--font-en);
  letter-spacing: 0.2em;
  font-weight: 400;
}
.en--upper { text-transform: uppercase; }

/* =========================================================
   Layout helpers
   --------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}
.container--narrow { max-width: var(--container-narrow); }

.section {
  padding: var(--space-9) 0;
}
.section--alt {
  background: var(--color-bg-alt);
}
.section--tight { padding: var(--space-8) 0; }

/* Section eyebrow: 英字大文字ラベル + 細い区切り線 */
.eyebrow {
  font-family: var(--font-en);
  font-size: var(--fs-xs);
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--color-ink);
  display: inline-block;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-8);
}
.section-header .eyebrow { justify-content: center; }
.section-header .eyebrow::after {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--color-ink);
  display: inline-block;
}
.section-title {
  font-size: var(--fs-2xl);
  margin: var(--space-2) 0 var(--space-3);
  font-weight: 700;
  letter-spacing: 0.08em;
}
.section-lead {
  color: var(--color-text-muted);
  font-size: var(--fs-md);
  max-width: 640px;
  margin: 0 auto;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  padding: var(--space-2) var(--space-4);
  background: var(--color-ink);
  color: #fff;
  z-index: 1000;
}
.skip-link:focus { left: var(--space-4); top: var(--space-4); }

/* =========================================================
   Header / Nav
   --------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: saturate(140%) blur(8px);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--color-line);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}
.site-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
  color: var(--color-ink);
  text-decoration: none;
  line-height: 1;
}
.site-logo:hover { opacity: 0.7; }

/* ロゴ画像（横バージョン用） */
.site-logo__img {
  height: 28px;
  width: auto;
  display: block;
}
@media (min-width: 768px) {
  .site-logo__img { height: 32px; }
}
.site-logo__img--lg {
  height: 36px;
}
@media (min-width: 768px) {
  .site-logo__img--lg { height: 44px; }
}

/* ロゴ画像 + 法人名サブテキスト */
.site-logo__sub {
  display: inline-block;
  font-family: var(--font-jp);
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  color: var(--color-text-muted);
  padding-left: var(--space-4);
  border-left: 1px solid var(--color-line-strong);
  font-weight: 400;
}
@media (max-width: 560px) {
  /* モバイルでは法人名サブテキストを非表示にしてロゴだけに */
  .site-logo__sub { display: none; }
  .site-logo { gap: 0; }
}

.site-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: var(--space-7);
  align-items: center;
}
.site-nav__list li { margin: 0; }
.site-nav__link {
  font-family: var(--font-en);
  font-size: var(--fs-xs);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-ink);
  padding: var(--space-2) 0;
  position: relative;
  font-weight: 700;
}
.site-nav__link span {
  display: block;
  font-family: var(--font-jp);
  font-size: 9px;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  margin-top: 4px;
  font-weight: 400;
}
.site-nav__link:hover,
.site-nav__link[aria-current="page"] {
  color: var(--color-ink);
}
.site-nav__link[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -4px;
  height: 1px;
  background: var(--color-ink);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-line-strong);
  padding: 8px 12px;
  cursor: pointer;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  font-family: var(--font-en);
  text-transform: uppercase;
  color: var(--color-ink);
}

@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; align-items: center; gap: 6px; }
  .site-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--color-line);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition);
  }
  .site-nav[data-open="true"] { max-height: 80vh; }
  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-2) 0;
  }
  .site-nav__list li { border-top: 1px solid var(--color-line); }
  .site-nav__list li:first-child { border-top: none; }
  .site-nav__link {
    display: block;
    padding: var(--space-4) var(--space-6);
  }
  .site-nav__link[aria-current="page"]::after { display: none; }
}

/* =========================================================
   Hero
   --------------------------------------------------------- */
.hero {
  background: var(--color-bg);
  padding: var(--space-10) 0 var(--space-9);
  position: relative;
  overflow: hidden;
}
.hero__inner {
  position: relative;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
  text-align: center;
}
.hero__en {
  font-family: var(--font-en);
  font-size: var(--fs-xs);
  letter-spacing: 0.5em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  display: block;
}
.hero__title {
  color: var(--color-ink);
  font-size: clamp(1.75rem, 5vw, var(--fs-4xl));
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-6);
}
.hero__title em {
  font-style: normal;
  display: inline-block;
  position: relative;
}
.hero__title em::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 2px;
  background: var(--color-ink);
}
.hero__lead {
  font-size: var(--fs-md);
  max-width: 560px;
  margin: 0 auto var(--space-7);
  color: var(--color-text);
  line-height: 2;
}
.hero__cta {
  display: inline-flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  justify-content: center;
}
.hero__decoration {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.04;
  background-image:
    linear-gradient(to right, var(--color-ink) 1px, transparent 1px),
    linear-gradient(to bottom, var(--color-ink) 1px, transparent 1px);
  background-size: 80px 80px;
}

/* Page hero (sub pages) */
.page-hero {
  background: var(--color-bg);
  padding: var(--space-9) 0 var(--space-7);
  border-bottom: 1px solid var(--color-line);
  text-align: center;
}
.page-hero__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}
.page-hero__breadcrumb {
  font-family: var(--font-en);
  font-size: var(--fs-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}
.page-hero__breadcrumb a { color: var(--color-text-muted); }
.page-hero__breadcrumb a:hover { color: var(--color-ink); opacity: 1; }
.page-hero__en {
  font-family: var(--font-en);
  font-size: var(--fs-sm);
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
  display: block;
}
.page-hero__title {
  font-size: var(--fs-2xl);
  margin: 0;
  letter-spacing: 0.12em;
  font-weight: 700;
}

/* =========================================================
   Buttons (Minimal)
   --------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: 1rem 2.25rem;
  font-size: var(--fs-xs);
  font-family: var(--font-en);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  font-weight: 700;
  line-height: 1;
  border: 1px solid var(--color-ink);
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition);
  text-decoration: none;
  white-space: nowrap;
  background: var(--color-bg);
  color: var(--color-ink);
}
.btn::after {
  content: "→";
  font-family: var(--font-jp);
  letter-spacing: 0;
  transition: transform var(--transition);
}
.btn:hover {
  background: var(--color-ink);
  color: #fff;
  opacity: 1;
}
.btn:hover::after { transform: translateX(4px); }

.btn--primary {
  background: var(--color-ink);
  color: #fff;
}
.btn--primary:hover {
  background: var(--color-bg);
  color: var(--color-ink);
}

.btn--outline {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-ink);
}

.btn--ghost {
  border-color: var(--color-line-strong);
}

.btn:focus-visible {
  outline: 1px solid var(--color-ink);
  outline-offset: 4px;
}

/* =========================================================
   Cards & Grid
   --------------------------------------------------------- */
.grid {
  display: grid;
  gap: var(--space-6);
}
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 860px) {
  .grid--2, .grid--3 { grid-template-columns: 1fr; gap: var(--space-5); }
}

.card {
  background: #fff;
  border: 1px solid var(--color-line);
  padding: var(--space-7) var(--space-6);
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition), transform var(--transition);
  text-align: center;
}
.card:hover {
  border-color: var(--color-ink);
}
.card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-5);
  color: var(--color-ink);
  object-fit: contain;
}
img.card__icon {
  width: 72px;
  height: 56px;
}
.card__en {
  font-family: var(--font-en);
  font-size: var(--fs-xs);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  display: block;
  margin-bottom: var(--space-2);
}
.card__title {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-4);
  letter-spacing: 0.1em;
}
.card__text {
  color: var(--color-text);
  font-size: var(--fs-sm);
  line-height: 1.95;
  flex: 1;
}
.card__footer {
  margin-top: var(--space-5);
}

/* Shop card */
.shop-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: var(--space-7) var(--space-6);
  background: #fff;
  border: 1px solid var(--color-line);
  transition: border-color var(--transition);
  text-align: left;
}
.shop-card:hover { border-color: var(--color-ink); }
.shop-card__badge {
  display: inline-block;
  font-family: var(--font-en);
  font-size: var(--fs-xs);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  font-weight: 700;
  padding: 0;
  color: var(--color-ink);
  margin-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-ink);
  padding-bottom: var(--space-2);
}
.shop-card__title {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-3);
  letter-spacing: 0.08em;
}
.shop-card__text {
  color: var(--color-text);
  font-size: var(--fs-sm);
  margin-bottom: var(--space-5);
  flex: 1;
  line-height: 1.95;
}
.shop-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-en);
  font-size: var(--fs-xs);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--color-ink);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-line);
  width: 100%;
}
.shop-card__link::after {
  content: "→";
  font-family: var(--font-jp);
  letter-spacing: 0;
  transition: transform var(--transition);
  margin-left: auto;
}
.shop-card:hover .shop-card__link::after { transform: translateX(6px); }

/* =========================================================
   Info table (会社概要)
   --------------------------------------------------------- */
.info-table {
  width: 100%;
  border-collapse: collapse;
  background: transparent;
}
.info-table th,
.info-table td {
  padding: var(--space-5) var(--space-5);
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--color-line);
  font-size: var(--fs-sm);
  line-height: 1.95;
}
.info-table tr:first-child th,
.info-table tr:first-child td {
  border-top: 1px solid var(--color-line);
}
.info-table th {
  width: 240px;
  font-weight: 700;
  color: var(--color-ink);
  font-family: var(--font-en);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-size: var(--fs-xs);
}
@media (max-width: 640px) {
  .info-table, .info-table tbody, .info-table tr, .info-table th, .info-table td {
    display: block;
    width: 100%;
  }
  .info-table th { border-bottom: none; padding-bottom: 0; }
  .info-table td { padding-top: var(--space-2); padding-bottom: var(--space-5); }
  .info-table tr:first-child td { border-top: none; }
}

/* =========================================================
   News list
   --------------------------------------------------------- */
.news-list {
  list-style: none;
  padding: 0;
  margin: 0;
  max-width: 760px;
  margin-inline: auto;
}
.news-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-5);
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--color-line);
  margin: 0;
}
.news-list li:first-child { border-top: 1px solid var(--color-line); }
.news-list time {
  font-family: var(--font-en);
  font-variant-numeric: tabular-nums;
  color: var(--color-ink);
  font-size: var(--fs-xs);
  letter-spacing: 0.15em;
  min-width: 100px;
}
.news-list__tag {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  border: 1px solid var(--color-line-strong);
  padding: 4px 10px;
  font-weight: 700;
}

/* =========================================================
   Milestones (Our Story)
   --------------------------------------------------------- */
.milestones {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: var(--space-7);
  align-items: start;
}
@media (max-width: 768px) {
  .milestones { grid-template-columns: 1fr; gap: var(--space-5); }
}

.milestones__year {
  font-family: var(--font-en);
  font-size: clamp(4rem, 10vw, 7rem);
  font-weight: 700;
  line-height: 0.95;
  color: var(--color-ink);
  letter-spacing: 0.02em;
  position: sticky;
  top: calc(var(--header-h) + var(--space-6));
}
.milestones__year::after {
  content: "";
  display: block;
  width: 80px;
  height: 2px;
  background: var(--color-ink);
  margin-top: var(--space-4);
}
.milestones__year-en {
  display: block;
  font-size: var(--fs-xs);
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-weight: 700;
  margin-top: var(--space-3);
}

.milestones__list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.milestones__item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: var(--space-5);
  padding: var(--space-6) 0;
  border-bottom: 1px solid var(--color-line);
  align-items: start;
  margin: 0;
}
.milestones__item:first-child { border-top: 1px solid var(--color-line); padding-top: var(--space-6); }
@media (max-width: 480px) {
  .milestones__item { grid-template-columns: 40px 1fr; gap: var(--space-3); }
}

.milestones__num {
  font-family: var(--font-en);
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
  line-height: 1;
  padding-top: 6px;
}

.milestones__en {
  font-family: var(--font-en);
  font-size: var(--fs-xs);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-ink);
  font-weight: 700;
  display: block;
  margin-bottom: var(--space-2);
}
.milestones__title {
  font-size: var(--fs-md);
  margin: 0 0 var(--space-3);
  letter-spacing: 0.08em;
  color: var(--color-ink);
}
.milestones__item p {
  margin: 0;
  font-size: var(--fs-sm);
  color: var(--color-text);
  line-height: 1.9;
}

/* =========================================================
   Contact block
   --------------------------------------------------------- */
.contact-block {
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  padding: var(--space-8) var(--space-7);
  text-align: center;
}
.contact-block__email {
  display: inline-block;
  font-family: var(--font-en);
  font-size: var(--fs-xl);
  font-weight: 400;
  color: var(--color-ink);
  margin: var(--space-3) 0 var(--space-5);
  letter-spacing: 0.08em;
  word-break: break-all;
}
.contact-block__email a { color: inherit; }
.contact-block__note {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  max-width: 520px;
  margin: 0 auto;
}

/* =========================================================
   Service block (大セクション)
   --------------------------------------------------------- */
.service-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: center;
  margin-bottom: var(--space-9);
}
.service-block:last-child { margin-bottom: 0; }
.service-block--reverse .service-block__media { order: 2; }
.service-block__media {
  background: var(--color-bg-alt);
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-ink);
  overflow: hidden;
}
.service-block__media img {
  width: 55%;
  max-width: 280px;
  height: auto;
  object-fit: contain;
  filter: brightness(0.15);
}
.service-block__title {
  font-size: var(--fs-xl);
  margin-bottom: var(--space-4);
  letter-spacing: 0.08em;
}
.service-block__en {
  font-family: var(--font-en);
  font-size: var(--fs-xs);
  color: var(--color-ink);
  font-weight: 700;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
  display: block;
}
.service-block ul { padding-left: 1.2em; }
.service-block ul li { font-size: var(--fs-sm); color: var(--color-text); }

@media (max-width: 860px) {
  .service-block { grid-template-columns: 1fr; gap: var(--space-5); }
  .service-block--reverse .service-block__media { order: 0; }
}

/* =========================================================
   CTA strip
   --------------------------------------------------------- */
.cta-strip {
  background: var(--color-bg-dark);
  color: #fff;
  padding: var(--space-9) 0;
  text-align: center;
}
.cta-strip .eyebrow { color: rgba(255,255,255,0.55); }
.cta-strip .eyebrow::before { background: rgba(255,255,255,0.55); }
.cta-strip h2 {
  color: #fff;
  font-size: var(--fs-xl);
  margin: var(--space-3) 0 var(--space-4);
  letter-spacing: 0.1em;
}
.cta-strip p {
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: var(--space-6);
}
.cta-strip .btn {
  background: transparent;
  border-color: rgba(255,255,255,0.85);
  color: #fff;
}
.cta-strip .btn:hover {
  background: #fff;
  color: var(--color-ink);
}

/* =========================================================
   Footer
   --------------------------------------------------------- */
.site-footer {
  background: var(--color-bg);
  color: var(--color-text);
  padding: var(--space-8) 0 var(--space-5);
  font-size: var(--fs-sm);
  border-top: 1px solid var(--color-line);
}
.site-footer__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-7);
}
@media (max-width: 860px) {
  .site-footer__inner { grid-template-columns: 1fr; gap: var(--space-5); }
}
.site-footer h4 {
  color: var(--color-ink);
  font-family: var(--font-en);
  font-size: var(--fs-xs);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
  font-weight: 700;
}
.site-footer a { color: var(--color-ink); }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li {
  margin-bottom: var(--space-2);
  font-size: var(--fs-sm);
}
.site-footer__bottom {
  border-top: 1px solid var(--color-line);
  margin-top: var(--space-7);
  padding-top: var(--space-4);
  text-align: center;
  font-family: var(--font-en);
  font-size: var(--fs-xs);
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
}
.site-footer__legal {
  font-family: var(--font-jp);
  letter-spacing: 0.05em;
  font-size: var(--fs-xs);
  margin-bottom: var(--space-3);
  color: var(--color-text-muted);
}
.site-footer__legal a {
  color: var(--color-text);
}
.site-footer__legal a:hover {
  color: var(--color-ink);
  opacity: 1;
}
.site-footer__sep {
  display: inline-block;
  margin: 0 var(--space-3);
  color: var(--color-text-faint);
}
.site-footer__brand p {
  color: var(--color-text);
  font-size: var(--fs-sm);
  margin-top: var(--space-3);
  line-height: 1.95;
}
.site-footer__brand .site-logo { margin-bottom: 0; }

/* =========================================================
   Misc utilities
   --------------------------------------------------------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.ext::after {
  content: " ↗";
  font-size: 0.85em;
  color: var(--color-text-muted);
}

/* 個人情報のコピー防止
   - user-select: テキスト選択そのものを抑止
   - -webkit-touch-callout: iOS Safari の長押しメニュー無効化 */
.no-copy {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
  cursor: default;
}
/* 子要素（リンク等）も含めて選択不可に */
.no-copy * {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

/* Subtle reveal animation */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(16px);
    animation: reveal 800ms var(--ease) forwards;
  }
  .reveal--d1 { animation-delay: 120ms; }
  .reveal--d2 { animation-delay: 240ms; }
  .reveal--d3 { animation-delay: 360ms; }
  @keyframes reveal {
    to { opacity: 1; transform: translateY(0); }
  }
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
    scroll-behavior: auto !important;
  }
}