@charset "UTF-8";

/* =========================================================
   SENBA HD — tokens
   ========================================================= */
:root {
  --red: #e60012;
  --red-dark: #c4000f;
  --cyan: #00bce4;
  --ink: #1a1a1a;
  --muted: #6e6e6e;
  --line: #dcdcdc;
  --field: #ececec;
  --paper: #fbfbfb;

  --container: 1000px;
  --gutter: 24px;
  --header-h: 64px;

  --font-ja: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", meiryo, sans-serif;
  --font-en: "Barlow", "Noto Sans JP", sans-serif;
}

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

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

body {
  margin: 0;
  font-family: var(--font-ja);
  font-size: 15px;
  line-height: 2;
  color: var(--ink);
  background-color: var(--paper);
  /* 方眼紙テクスチャ */
  background-image:
    linear-gradient(to right, rgba(0, 0, 0, .05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 0, 0, .05) 1px, transparent 1px);
  background-size: 22px 22px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }

.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: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--red); color: #fff; padding: 10px 16px;
}
.skip-link:focus { left: 0; }

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

/* =========================================================
   header / nav
   ========================================================= */
.sheet {
  background: #fff;
  max-width: 1160px;
  margin-inline: auto;
  overflow-x: clip; /* フルブリード要素の横スクロールを防ぐ */
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0);
  border-bottom: 1px solid transparent;
  transition: background .25s, box-shadow .25s, border-color .25s;
}
.site-header.is-stuck {
  background: #fff;
  box-shadow: 0 2px 14px rgba(0, 0, 0, .07);
  border-bottom-color: var(--line);
}

.site-header__inner {
  height: var(--header-h);
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand__mark { width: 26px; height: 26px; }
.brand__name {
  font-family: var(--font-en);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: .12em;
}

.nav-toggle {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  background: none; border: 0; cursor: pointer;
}
.nav-toggle__bars { display: block; width: 26px; }
.nav-toggle__bars i {
  display: block; height: 2px; background: var(--red);
  margin: 6px 0; transition: transform .28s, opacity .2s;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

.global-nav {
  position: fixed;
  inset: var(--header-h) 0 auto 0;
  max-height: calc(100dvh - var(--header-h));
  overflow-y: auto;
  background: var(--red);
  color: #fff;
  transform: translateY(-120%);
  transition: transform .35s cubic-bezier(.22, .9, .3, 1);
}
.global-nav.is-open { transform: translateY(0); }

.global-nav__list { list-style: none; margin: 0; padding: 12px 0 0; }
.global-nav__list:last-child { padding-bottom: 32px; }
.global-nav__list a {
  display: block;
  padding: 14px var(--gutter);
  border-bottom: 1px solid rgba(255, 255, 255, .28);
  font-family: var(--font-en);
  font-weight: 800;
  letter-spacing: .08em;
  line-height: 1.3;
}
.global-nav__list--sub { padding-top: 0; }
.global-nav__list--sub a { font-size: 12px; font-weight: 700; opacity: .9; }

/* =========================================================
   hero
   ========================================================= */
.hero {
  position: relative;
  padding: 8px 0 40px;
  overflow: hidden;
}
.hero__art { width: 100%; }
.hero__art img { width: 100%; }

.hero__copy {
  margin: 0;
  padding: 0 var(--gutter);
  font-size: clamp(26px, 7.5vw, 40px);
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: .02em;
}
.hero__copy span { display: block; }

/* =========================================================
   section shell
   ========================================================= */
.section {
  position: relative;
  padding: 56px 0;
}
.section--news { padding-top: 40px; }

.sec-head { margin: 0 0 28px; }
.sec-head__en {
  display: block;
  font-family: var(--font-en);
  font-weight: 800;
  font-size: clamp(24px, 5.4vw, 32px);
  letter-spacing: .04em;
  color: var(--red);
  line-height: 1.1;
}
.sec-head__ja {
  display: inline-block;
  margin-top: 8px;
  padding: 3px 10px;
  background: var(--red);
  color: #fff;
  font-size: 10px;
  font-weight: 500;
  line-height: 1.6;
  letter-spacing: .12em;
}
.sec-head--invert .sec-head__en { color: #fff; }
.sec-head--invert .sec-head__ja { background: #fff; color: var(--red); }

.lead {
  font-size: clamp(20px, 5vw, 26px);
  font-weight: 700;
  line-height: 1.7;
  margin: 0 0 24px;
}
.note {
  font-size: 12.5px;
  line-height: 2.2;
  color: #333;
  margin: 0 0 28px;
}
.note--wide { max-width: 46em; }

/* 元テーマ由来の表示切替クラス */
.pcv { display: none; }
.spv { display: inline; }

/* =========================================================
   news
   ========================================================= */
.news-list { margin: 0; padding: 0; }

.news-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 4px;
  border-bottom: 1px solid var(--line);
  transition: background .2s;
}
.news-item:first-child { border-top: 1px solid var(--line); }
a.news-item:hover { background: #f7f7f7; }

.news-item__date {
  flex: none;
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}
.news-item__title {
  flex: 1 1 auto;
  font-size: 12.5px;
  line-height: 1.7;
}
.news-item__icon {
  flex: none;
  width: 0; height: 0;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 6px solid var(--ink);
  transition: transform .25s;
}
a.news-item:hover .news-item__icon { transform: translateX(3px); }
.news-item--static .news-item__title { color: #333; }

.view-more { margin: 22px 0 0; text-align: right; }
.view-more a {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: .1em;
}
.view-more span { color: var(--red); margin-left: 8px; }

/* =========================================================
   news article（個別記事ページ）
   ========================================================= */
.article__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}
.article__date {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--muted);
}
.article__tag {
  display: inline-block;
  padding: 3px 10px;
  background: var(--field);
  color: #444;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .08em;
}
.article__title {
  margin: 0 0 32px;
  font-size: clamp(19px, 5vw, 24px);
  font-weight: 700;
  line-height: 1.7;
}
.article__body p {
  font-size: 12.5px;
  line-height: 2.3;
  color: #333;
  margin: 0 0 24px;
}
.article__body p:last-child { margin-bottom: 0; }
.article__body a { text-decoration: underline; text-underline-offset: 2px; }
.article__body a:hover { color: var(--red); }
.article__nav {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.article__nav a {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: .08em;
}

@media (min-width: 768px) {
  .article__body { max-width: 46em; }
  .article__title { font-size: 24px; }
}

/* =========================================================
   concept
   ========================================================= */
.concept__art { margin-top: 32px; text-align: center; }
.concept__art img { width: min(78%, 320px); margin-inline: auto; }

.check-list { list-style: none; margin: 0; padding: 0; }
.check-list li {
  position: relative;
  padding-left: 34px;
  margin-bottom: 18px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.8;
}
.check-list li::before {
  content: "";
  position: absolute; left: 0; top: 4px;
  width: 18px; height: 18px;
  border: 1px solid var(--red);
}
.check-list li::after {
  content: "";
  position: absolute; left: 4px; top: 7px;
  width: 12px; height: 6px;
  border-left: 2px solid var(--red);
  border-bottom: 2px solid var(--red);
  transform: rotate(-45deg);
}

/* =========================================================
   contact banner
   ========================================================= */
.contact-banner {
  background: var(--red);
  color: #fff;
  padding: 44px 0;
}
.contact-banner .sec-head { margin-bottom: 24px; }
.contact-banner__right p {
  margin: 0 0 18px;
  font-size: 12.5px;
  line-height: 2;
}
.pill-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  max-width: 320px;
  padding: 12px 20px;
  background: #fff;
  color: var(--ink);
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 500;
  box-shadow: 0 2px 8px rgba(0, 0, 0, .12);
  transition: transform .2s, box-shadow .2s;
}
.pill-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(0, 0, 0, .2); }
.pill-btn span { color: var(--red); font-size: 10px; }

/* =========================================================
   message
   ========================================================= */
.message__body p {
  font-size: 12.5px;
  line-height: 2.3;
  margin: 0 0 22px;
  color: #333;
}
.signature { text-align: right; margin-top: 34px !important; }
.signature__role { display: block; font-size: 11px; color: var(--muted); }
.signature__name {
  display: block;
  margin-top: 6px;
  font-size: 19px;
  font-weight: 500;
  letter-spacing: .12em;
}

/* =========================================================
   business
   ========================================================= */
.biz-card {
  display: block;
  border: 1px solid var(--ink);
  position: relative;
  transition: box-shadow .25s, transform .25s;
}
.biz-card:hover { transform: translateY(-3px); box-shadow: 0 8px 22px rgba(0, 0, 0, .12); }
.biz-card__title {
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
}
/* 右下の三角アクセント */
.biz-card::after {
  content: "";
  position: absolute; right: 0; bottom: 0;
  border-style: solid;
  border-width: 0 0 18px 18px;
  border-color: transparent transparent var(--ink) transparent;
}
.biz-card__logo {
  display: grid;
  place-items: center;
  padding: 32px 20px;
  border-bottom: 1px solid var(--ink);
}
.biz-card__logo img { width: min(56%, 200px); }
.biz-card__text { padding: 26px 22px 34px; }
.biz-card__text p { margin: 0; font-size: 12.5px; line-height: 2.1; }

/* =========================================================
   contact form
   ========================================================= */
.section--form {
  border-top: 4px solid var(--red);
  border-bottom: 4px solid var(--red);
  margin-top: 40px;
}

.form { margin-top: 8px; }

/* スパム対策のハニーポット：人間からは見えず、支援技術からも隠す */
.honeypot {
  position: absolute !important;
  left: -9999px !important;
  width: 1px; height: 1px;
  opacity: 0;
  pointer-events: none;
}

.field { margin-bottom: 20px; }
.field__label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 8px;
}
.badge {
  font-size: 9px;
  line-height: 1;
  padding: 4px 6px;
  letter-spacing: .08em;
}
.badge--req { background: #fff; color: var(--red); border: 1px solid var(--red); }

.field__input--boxed {
  background: var(--field);
  padding: 14px 16px;
}

.form input[type="text"],
.form input[type="email"],
.form input[type="tel"],
.form textarea {
  width: 100%;
  padding: 10px 12px;
  background: var(--field);
  border: 1px solid transparent;
  border-radius: 0;
  font: inherit;
  font-size: 13px;
  line-height: 1.7;
  transition: border-color .2s, background .2s;
}
.form input:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--red);
  background: #fff;
}
.form textarea { resize: vertical; min-height: 140px; }
.form input[type="file"] { font-size: 11px; }

.form input[aria-invalid="true"],
.form textarea[aria-invalid="true"] { border-color: var(--red); background: #fff4f4; }

.choice {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
  padding: 5px 0;
  cursor: pointer;
}
.choice input { accent-color: var(--red); width: 15px; height: 15px; }
.choice--center { justify-content: center; }

.subfield { margin-bottom: 12px; }
.subfield:last-child { margin-bottom: 0; }
.subfield label {
  display: block;
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 4px;
}
.subfield input { background: #fff !important; }
.subfield__prefix { display: flex; align-items: center; gap: 8px; }
.subfield__mark { flex: none; font-size: 12px; color: var(--muted); }

.field__help {
  margin: 8px 0 0;
  font-size: 10.5px;
  line-height: 1.9;
  color: var(--muted);
}

.form__agree { margin: 26px 0 18px; }

.form__submit { margin: 0; text-align: center; }
.submit-btn {
  width: min(100%, 300px);
  padding: 14px 20px;
  background: var(--ink);
  color: #fff;
  border: 0;
  font-size: 13px;
  letter-spacing: .1em;
  cursor: pointer;
  transition: background .2s;
}
.submit-btn:hover { background: var(--red); }
.submit-btn span { margin-left: 10px; font-size: 10px; }

.form__recaptcha {
  margin: 18px 0 0;
  font-size: 9.5px;
  line-height: 1.9;
  color: var(--muted);
}
.form__recaptcha a { text-decoration: underline; }

.form__status { margin: 16px 0 0; font-size: 12px; text-align: center; }
.form__status.is-error { color: var(--red); }
.form__status.is-ok { color: #0a7d2e; }

/* =========================================================
   company
   ========================================================= */
.company-table { margin: 0; }
.company-table__row {
  display: flex;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.company-table__row:first-child { border-top: 1px solid var(--line); }
.company-table dt {
  flex: 0 0 96px;
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
  line-height: 1.9;
}
.company-table dd {
  margin: 0;
  flex: 1 1 auto;
  font-size: 12.5px;
  line-height: 1.9;
}
.company-table dd a { text-decoration: underline; text-underline-offset: 2px; }
.company-table dd a:hover { color: var(--red); }

.addr { margin: 0 0 10px; }
.addr:last-child { margin-bottom: 0; }
.addr__zip {
  display: inline-block;
  min-width: 5.6em;
  color: var(--muted);
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 11.5px;
  letter-spacing: .02em;
}

/* =========================================================
   footer
   ========================================================= */
.site-footer {
  background: var(--red);
  color: #fff;
  padding: 48px 0 28px;
}
.site-footer__inner { display: block; }

.site-footer__brand { text-align: center; margin-bottom: 34px; }
.site-footer__mark { width: 74px; height: 74px; margin: 0 auto 12px; }
.site-footer__name {
  margin: 0;
  font-family: var(--font-en);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: .14em;
}

.site-footer__nav ul { list-style: none; margin: 0; padding: 0; }
.site-footer__nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .35);
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: .1em;
}

.site-footer__bottom { margin-top: 34px; }
.site-footer__sub {
  list-style: none;
  display: flex;
  gap: 22px;
  justify-content: center;
  margin: 0 0 14px;
  padding: 0;
  font-size: 10px;
  letter-spacing: .1em;
}
.site-footer__sub a { font-family: var(--font-en); font-weight: 700; }
.copyright {
  margin: 0;
  text-align: center;
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: .1em;
  opacity: .9;
}

/* =========================================================
   tablet / desktop
   ========================================================= */
@media (min-width: 768px) {
  :root { --header-h: 76px; --gutter: 48px; }

  body { font-size: 15px; }

  .pcv { display: inline; }
  .spv { display: none; }

  .site-header__inner { padding-inline: 40px; }
  .brand__mark { width: 34px; height: 34px; }
  .brand__name { font-size: 15px; }

  .hero { padding: 0 0 90px; min-height: 520px; }
  .hero__art {
    position: absolute;
    top: -28px;
    right: 3%;
    width: 54%;
    max-width: 680px;
  }
  .hero__copy {
    position: relative;
    z-index: 1;
    max-width: var(--container);
    margin-inline: auto;
    padding-top: 210px;
    padding-inline: 48px;
    font-size: clamp(34px, 3.4vw, 44px);
    line-height: 1.6;
  }

  .section { padding: 80px 0; }
  .section > .container { padding-inline: 64px; }

  .sec-head { margin-bottom: 36px; }
  .sec-head__en { font-size: 34px; }
  .note { font-size: 13px; }

  /* --- news --- */
  .news-item { gap: 32px; padding: 22px 12px; }
  .news-item__date { font-size: 13px; }
  .news-item__title { font-size: 13px; }

  /* --- concept --- */
  .concept__grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 56px;
    align-items: start;
  }
  .concept__art { margin-top: 60px; }
  .concept__art img { width: 100%; }
  .check-list li { font-size: 15px; }

  /* --- contact banner --- */
  .contact-banner { padding: 64px 0; }
  .contact-banner__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
  }
  .contact-banner .sec-head { margin: 0; text-align: center; }
  .contact-banner__right p { font-size: 13px; }
  .pill-btn { margin-left: auto; }

  /* --- message --- */
  .message__body { max-width: 46em; }
  .signature { margin-right: -6em; }

  /* --- business --- */
  .biz-card { display: grid; grid-template-columns: 1fr 1fr; }
  .biz-card__logo { border-bottom: 0; border-right: 1px solid var(--ink); padding: 48px 32px; }
  .biz-card__text {
    padding: 48px 32px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  /* --- form / company : 見出し左・本体右 --- */
  .form__grid,
  .company__grid {
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }
  .form__grid .sec-head,
  .company__grid .sec-head { margin: 0; }

  .field { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 16px; align-items: start; }
  .field__label { margin-bottom: 0; padding-top: 10px; justify-content: space-between; }
  .form__agree,
  .form__submit,
  .form__recaptcha { padding-left: 166px; }

  .subfield { display: grid; grid-template-columns: 90px minmax(0, 1fr); gap: 12px; align-items: center; }
  .subfield label { margin-bottom: 0; }

  .company-table dt { flex-basis: 130px; }

  /* --- footer --- */
  .site-footer { padding: 64px 0 32px; }
  .site-footer__inner {
    display: grid;
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }
  .site-footer__brand { text-align: left; margin: 0; }
  .site-footer__mark { margin: 0 0 14px; width: 90px; height: 90px; }
  .site-footer__nav { display: grid; grid-template-columns: 1fr 1fr; gap: 0 56px; }
  .site-footer__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 48px;
  }
  .site-footer__sub { margin: 0; justify-content: flex-start; }
}

@media (min-width: 1024px) {
  .hero__copy { padding-top: 190px; }
}

/* =========================================================
   motion
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}