@charset "UTF-8";

/* ==========================================================
   te10teJapon合同会社 コーポレートサイト
   配色：白基調＋墨色＋紅（アクセント一点使い）
   書体：見出し Shippori Mincho ／ 本文 Zen Kaku Gothic New
   ========================================================== */

:root {
  --white: #ffffff;
  --off-white: #f7f6f3;
  --ink: #1a1a1a;
  --gray: #767672;
  --line: #e4e2dd;
  --beni: #c73e3a;
  --font-sans: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --font-serif: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --header-h: 76px;
}

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

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

body {
  font-family: var(--font-sans);
  font-weight: 400;
  color: var(--ink);
  background: var(--white);
  line-height: 1.9;
  letter-spacing: 0.04em;
  -webkit-font-smoothing: antialiased;
}

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

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

ul,
ol {
  list-style: none;
}

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

.sp-only {
  display: none;
}

/* ----------------------------------------------------------
   ヘッダー
   ---------------------------------------------------------- */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo img {
  width: 200px;
  height: auto;
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: 36px;
}

.site-nav a {
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 0;
  position: relative;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--beni);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}

.site-nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.site-nav a.nav-cta {
  border: 1px solid var(--ink);
  padding: 10px 24px;
  transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.site-nav a.nav-cta:hover {
  background: var(--beni);
  border-color: var(--beni);
  color: var(--white);
}

.site-nav a.nav-cta::after {
  display: none;
}

/* モバイルメニュー */

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--ink);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.mobile-nav {
  display: none;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.mobile-nav.is-open {
  display: block;
}

.mobile-nav a {
  display: block;
  padding: 16px 24px;
  font-size: 0.95rem;
  font-weight: 500;
  border-top: 1px solid var(--line);
}

/* ----------------------------------------------------------
   ヒーロー
   ---------------------------------------------------------- */

.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--header-h) + 40px) 24px 60px;
  position: relative;
  background: url(../img/heroImg.jpg) center / cover no-repeat;
}

/* 文字の可読性を保つための白のオーバーレイ */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.38);
}

.hero-inner {
  position: relative;
}

.hero-brand {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(3rem, 9vw, 6.5rem);
  line-height: 1.1;
  letter-spacing: 0.02em;
}

.hero-ruby rt {
  font-size: 0.28em;
  font-weight: 500;
  color: var(--beni);
  letter-spacing: 0.2em;
  transform: translateY(-0.2em);
}

.hero-ruby {
  color: var(--beni);
  ruby-position: over;
}

.hero-title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  letter-spacing: 0.14em;
  margin-top: 32px;
}

.hero-lead {
  font-size: clamp(0.9rem, 1.6vw, 1rem);
  color: var(--gray);
  margin-top: 28px;
  line-height: 2.2;
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.hero-scroll-text {
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  color: var(--gray);
  text-transform: uppercase;
}

.hero-scroll-line {
  width: 1px;
  height: 48px;
  background: var(--line);
  position: relative;
  overflow: hidden;
}

.hero-scroll-line::after {
  content: "";
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--beni);
  animation: scroll-drop 2s ease-in-out infinite;
}

@keyframes scroll-drop {
  0%   { top: -100%; }
  60%  { top: 100%; }
  100% { top: 100%; }
}

/* ヒーローの読み込みアニメーション */

.hero-brand,
.hero-title,
.hero-lead {
  opacity: 0;
  transform: translateY(16px);
  animation: fade-up 0.9s ease forwards;
}

.hero-title { animation-delay: 0.25s; }
.hero-lead  { animation-delay: 0.5s; }

@keyframes fade-up {
  to {
    opacity: 1;
    transform: none;
  }
}

/* ----------------------------------------------------------
   セクション共通
   ---------------------------------------------------------- */

.section {
  position: relative;
  padding: 110px 24px;
}

.section-inner {
  max-width: 960px;
  margin: 0 auto;
}

/* 縦書きの章ラベル */

.section-eyebrow {
  position: absolute;
  top: 110px;
  left: max(16px, calc((100% - 1240px) / 2));
  writing-mode: vertical-rl;
  font-family: var(--font-serif);
  font-size: 0.8rem;
  letter-spacing: 0.4em;
  color: var(--gray);
  padding-top: 44px;
}

.section-eyebrow::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 1px;
  height: 32px;
  background: var(--beni);
}

.section-title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  letter-spacing: 0.1em;
  line-height: 1.6;
}

.section-title-en {
  display: block;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.78rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--beni);
  margin-bottom: 14px;
}

.section-lead {
  margin-top: 26px;
  color: var(--gray);
  font-size: 0.95rem;
}

/* スクロール表示アニメーション */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ----------------------------------------------------------
   私たちについて
   ---------------------------------------------------------- */

.about .section-inner {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: 64px;
  align-items: start;
}

.about-body p + p {
  margin-top: 1.4em;
}

/* ----------------------------------------------------------
   事業内容
   ---------------------------------------------------------- */

.services {
  background: var(--off-white);
}

.service-grid {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px 32px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--line);
  transition: box-shadow 0.35s ease, transform 0.35s ease;
}

.service-card:hover {
  box-shadow: 0 14px 36px rgba(26, 26, 26, 0.08);
  transform: translateY(-4px);
}

.service-media {
  aspect-ratio: 4 / 3;
}

img.service-media {
  width: 100%;
  object-fit: cover;
  border-bottom: 1px solid var(--line);
}

.service-text {
  padding: 24px 24px 30px;
}

.service-name {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: 0.08em;
}

.service-en {
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--beni);
  margin-top: 6px;
}

.service-desc {
  font-size: 0.86rem;
  color: var(--gray);
  margin-top: 14px;
  line-height: 1.9;
}

/* 画像プレースホルダー（後で <img> に差し替え） */

.placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    repeating-linear-gradient(
      -45deg,
      transparent 0 14px,
      rgba(26, 26, 26, 0.025) 14px 28px
    ),
    var(--off-white);
  border-bottom: 1px solid var(--line);
}

.placeholder-label {
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: #b9b7b1;
  border: 1px solid var(--line);
  padding: 6px 16px;
  background: var(--white);
}

/* ----------------------------------------------------------
   会社概要
   ---------------------------------------------------------- */

.company-table {
  margin-top: 48px;
  border-top: 1px solid var(--line);
}

.company-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  padding: 22px 8px;
  border-bottom: 1px solid var(--line);
}

.company-row dt {
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  padding-top: 2px;
}

.company-row dd {
  font-size: 0.95rem;
}

.company-services {
  counter-reset: svc;
}

.company-services li {
  counter-increment: svc;
  position: relative;
  padding-left: 2em;
}

.company-services li::before {
  content: counter(svc) ".";
  position: absolute;
  left: 0;
  color: var(--beni);
  font-feature-settings: "tnum";
}

/* ----------------------------------------------------------
   お問い合わせ
   ---------------------------------------------------------- */

.contact {
  background: var(--off-white);
  text-align: center;
}

.contact .section-title {
  text-align: center;
}

.contact-card {
  margin: 48px auto 0;
  max-width: 560px;
  background: var(--white);
  border: 1px solid var(--line);
  padding: 52px 32px;
}

.contact-tel a {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  letter-spacing: 0.06em;
  transition: color 0.3s ease;
}

.contact-tel a:hover {
  color: var(--beni);
}

.contact-hours {
  margin-top: 12px;
  font-size: 0.9rem;
  color: var(--gray);
}

.contact-address {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: 0.88rem;
  color: var(--gray);
}

/* ----------------------------------------------------------
   フッター
   ---------------------------------------------------------- */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 48px 24px 32px;
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}

.footer-brand {
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: 0.08em;
}

.footer-address {
  margin-top: 10px;
  font-size: 0.78rem;
  color: var(--gray);
}

.footer-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
}

.footer-nav a {
  font-size: 0.82rem;
  color: var(--gray);
  transition: color 0.3s ease;
}

.footer-nav a:hover {
  color: var(--beni);
}

.footer-copy {
  max-width: 1120px;
  margin: 36px auto 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 0.75rem;
  color: var(--gray);
  letter-spacing: 0.08em;
}

/* ----------------------------------------------------------
   ボタン・テキストリンク共通
   ---------------------------------------------------------- */

.btn-primary {
  display: inline-block;
  background: var(--ink);
  color: var(--white);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  padding: 16px 48px;
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: background 0.3s ease;
}

.btn-primary:hover {
  background: var(--beni);
}

.text-link {
  color: var(--beni);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.text-link:hover {
  text-decoration: none;
}

.contact-card .btn-primary {
  margin-top: 28px;
}

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

.page-header {
  padding: calc(var(--header-h) + 72px) 24px 64px;
  background: var(--off-white);
  border-bottom: 1px solid var(--line);
}

.page-header-inner {
  max-width: 960px;
  margin: 0 auto;
}

.page-section {
  padding-top: 72px;
}

.section-inner-narrow {
  max-width: 760px;
}

.page-lead {
  color: var(--gray);
  font-size: 0.95rem;
  margin-bottom: 40px;
}

/* ----------------------------------------------------------
   お問い合わせフォーム
   ---------------------------------------------------------- */

.form-error-box {
  border: 1px solid var(--beni);
  background: #fdf3f2;
  padding: 20px 24px;
  margin-bottom: 36px;
  font-size: 0.9rem;
}

.form-error-box p {
  font-weight: 700;
  color: var(--beni);
}

.form-error-box ul {
  margin-top: 8px;
  padding-left: 1.2em;
  list-style: disc;
  color: var(--ink);
}

.contact-form {
  border-top: 1px solid var(--line);
}

.form-row {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 20px;
  padding: 26px 4px;
  border-bottom: 1px solid var(--line);
}

.form-label {
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding-top: 12px;
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.form-required {
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--white);
  background: var(--beni);
  padding: 2px 8px;
  letter-spacing: 0.1em;
  flex-shrink: 0;
}

.form-field input[type="text"],
.form-field input[type="email"],
.form-field input[type="tel"],
.form-field select,
.form-field textarea {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--ink);
  background: var(--white);
  border: 1px solid #c9c7c1;
  border-radius: 0;
  padding: 12px 14px;
  transition: border-color 0.25s ease;
  -webkit-appearance: none;
  appearance: none;
}

.form-field textarea {
  resize: vertical;
  min-height: 180px;
  line-height: 1.8;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--ink);
}

.form-field input[aria-invalid="true"],
.form-field textarea[aria-invalid="true"] {
  border-color: var(--beni);
  background: #fdf7f6;
}

.form-select-wrap {
  position: relative;
  max-width: 360px;
}

.form-select-wrap::after {
  content: "";
  position: absolute;
  right: 16px;
  top: 50%;
  width: 8px;
  height: 8px;
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
}

.form-field-error {
  margin-top: 8px;
  font-size: 0.82rem;
  color: var(--beni);
}

/* ハニーポット（スパム対策：視覚的に隠す） */

.form-hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-agree {
  text-align: center;
  padding: 36px 0 0;
  font-size: 0.92rem;
}

.form-agree label {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  cursor: pointer;
}

.form-agree input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--beni);
  transform: translateY(3px);
}

.form-agree .form-required {
  margin-left: 8px;
}

.form-agree .form-field-error {
  margin-top: 10px;
}

.form-submit {
  text-align: center;
  padding: 32px 0 8px;
}

/* 送信完了 */

.form-done {
  text-align: center;
  border: 1px solid var(--line);
  padding: 64px 32px;
}

.form-done-title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.4rem;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}

.form-done p + p,
.form-done .btn-primary {
  margin-top: 32px;
}

/* ----------------------------------------------------------
   プライバシーポリシー
   ---------------------------------------------------------- */

.privacy-intro {
  color: var(--gray);
  font-size: 0.95rem;
}

.privacy-body {
  margin-top: 48px;
}

.privacy-block + .privacy-block {
  margin-top: 44px;
}

.privacy-block h2 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 18px;
  position: relative;
}

.privacy-block h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 48px;
  height: 1px;
  background: var(--beni);
}

.privacy-block p,
.privacy-block ul {
  font-size: 0.92rem;
}

.privacy-block ul {
  list-style: disc;
  padding-left: 1.4em;
  margin-top: 10px;
}

.privacy-block li + li {
  margin-top: 4px;
}

.privacy-date {
  margin-top: 56px;
  text-align: right;
  font-size: 0.85rem;
  color: var(--gray);
}

/* ----------------------------------------------------------
   レスポンシブ
   ---------------------------------------------------------- */

@media (max-width: 1024px) {
  .section-eyebrow {
    display: none;
  }
}

@media (max-width: 860px) {
  .site-header {
    background: var(--white);
    backdrop-filter: none;
  }

  .site-nav {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about .section-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}

@media (max-width: 600px) {
  :root {
    --header-h: 64px;
  }

  .sp-only {
    display: inline;
  }

  .header-logo img {
    width: 160px;
  }

  .section {
    padding: 72px 20px;
  }

  .service-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .company-row {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 18px 4px;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-nav ul {
    justify-content: center;
  }

  .footer-copy {
    text-align: center;
  }

  .page-header {
    padding: calc(var(--header-h) + 48px) 20px 40px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 20px 0;
  }

  .form-label {
    padding-top: 0;
  }

  .form-done {
    padding: 48px 20px;
  }
}

/* ----------------------------------------------------------
   アニメーション抑制設定への対応
   ---------------------------------------------------------- */

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

  .hero-brand,
  .hero-title,
  .hero-lead,
  .reveal {
    opacity: 1;
    transform: none;
    animation: none;
    transition: none;
  }

  .hero-scroll-line::after {
    animation: none;
  }
}