/* =====================================================
   結Tech サイト共通スタイルシート
   構成: リセット → 変数 → レイアウト → 各コンポーネント → レスポンシブ
   ※ 色の値・コピー文以外は他案件にも転用しやすい構造にしています（詳細はTEMPLATE-NOTES.md）
   ===================================================== */

/* ----- 1. リセット & ベース ----- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; border: none; background: none; cursor: pointer; }

/* ----- 2. 変数（結Techブランドカラー） ----- */
:root {
  --color-primary: #F2994A;   /* メインオレンジ */
  --color-secondary: #E8965A; /* サブオレンジ */
  --color-accent: #D9772E;    /* ダークラスト（「結」の文字色・アクセント） */
  --color-muted: #9C8C75;     /* 暖かみのあるグレーブラウン（装飾ラベル用。本文には使わない） */
  --color-bg: #FBF6EC;        /* クリーム背景 */
  --color-dark: #2C3E50;      /* ダークセクション・フッター背景 */
  --color-text: #333333;
  --color-border: #E7DCC9;

  --font-serif: "Yu Mincho", "Hiragino Mincho ProN", serif;
  --font-sans: "Noto Sans JP", "Segoe UI", "Helvetica Neue", "Hiragino Sans", sans-serif;

  --container-width: 1100px;
  --radius: 14px;
}

/* ----- 3. レイアウト基本要素 ----- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}
main { display: block; }
.section {
  padding: 96px 0;
}
.section--tight { padding: 64px 0; }
/* 固定ヘッダー（高さ76px）に隠れないよう、各ページ最初のセクションだけ上余白を追加 */
main > .section--tight:first-child {
  padding-top: calc(64px + 76px);
}
.section--dark {
  background: var(--color-dark);
  color: #F4EFE6;
}
.section--alt {
  background: #F5EEDF;
}

/* スキップリンク（アクセシビリティ） */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-dark);
  color: #fff;
  padding: 12px 20px;
  z-index: 2000;
  border-radius: 0 0 8px 0;
}
.skip-link:focus {
  left: 0;
}

/* フォーカス状態（アクセシビリティ） */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

/* ----- 4. ヘッダー / ナビゲーション ----- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(251, 246, 236, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid transparent;
  transition: background .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.site-header.is-scrolled {
  background: rgba(251, 246, 236, 0.97);
  border-color: var(--color-border);
  box-shadow: 0 4px 20px rgba(44, 62, 80, 0.08);
}
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.site-header__logo img {
  height: 38px;
  width: auto;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: .02em;
  padding: 6px 2px;
  position: relative;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width .25s ease;
}
.nav-links a:hover::after,
.nav-links a.is-active::after {
  width: 100%;
}
.nav-links a.is-active {
  color: var(--color-accent);
  font-weight: 700;
}
.nav-cta {
  background: var(--color-primary);
  color: #fff !important;
  padding: 10px 22px;
  border-radius: 999px;
  font-weight: 700 !important;
}
.nav-cta::after { display: none; }
.nav-cta:hover { background: var(--color-accent); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
}
.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--color-dark);
  transition: transform .25s ease, opacity .25s ease;
}
.hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ----- 5. ヒーロー -----
   ※ UI/UXレビュー反映: 文字はグラデーションに直接乗せず、
   常にコントラストが確保されたパネル/カード上に配置する */
.hero {
  position: relative;
  min-height: 76vh;
  display: flex;
  align-items: center;
  padding-top: 76px;
  overflow: hidden;
  background: linear-gradient(135deg, #FBF6EC 0%, #FBE3CC 45%, #F2994A 100%);
}
.hero::after {
  content: "";
  position: absolute;
  right: -8%;
  top: 50%;
  transform: translateY(-50%);
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 35%, rgba(255,255,255,.35), transparent 60%);
  opacity: .5;
  pointer-events: none;
}
.hero__motif {
  position: absolute;
  right: -60px;
  bottom: -80px;
  width: 360px;
  height: 360px;
  opacity: .18;
  pointer-events: none;
}
.hero__panel {
  position: relative;
  z-index: 1;
  max-width: 620px;
  background: rgba(251, 246, 236, 0.82);
  border: 1px solid rgba(255,255,255,.5);
  border-radius: var(--radius);
  padding: 40px 44px;
  color: var(--color-dark);
  box-shadow: 0 18px 50px rgba(44, 62, 80, .12);
}
.hero__catch {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4.2vw, 2.7rem);
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 18px;
  color: var(--color-dark);
}
.hero__catch span {
  color: var(--color-accent);
}
.hero__sub {
  font-size: 16px;
  margin-bottom: 18px;
  color: var(--color-dark);
}
.hero__lead {
  font-size: 15px;
  color: #4A5A6A;
  margin-bottom: 28px;
}

/* ----- 6. ボタン ----- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 34px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .03em;
  transition: background .25s ease, color .25s ease, transform .2s ease, box-shadow .25s ease;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 10px 26px rgba(242, 153, 74, .35);
}
.btn-primary:hover {
  background: var(--color-accent);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  color: var(--color-dark);
  border: 1.5px solid var(--color-dark);
}
.btn-outline:hover {
  background: var(--color-dark);
  color: #fff;
}
.btn-on-dark {
  background: var(--color-primary);
  color: #fff;
}
.btn-on-dark:hover { background: var(--color-secondary); }

/* ----- 7. セクション見出しコンポーネント ----- */
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}
.section-header__tag {
  display: inline-block;
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--color-accent);
  font-weight: 700;
  margin-bottom: 12px;
}
.section-header__title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3.4vw, 2.3rem);
  font-weight: 700;
  position: relative;
  padding-bottom: 22px;
  margin-bottom: 14px;
  color: var(--color-dark);
}
.section-header__title::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 56px;
  height: 3px;
  border-radius: 2px;
  background: var(--color-primary);
}
.section--dark .section-header__title { color: #FBF6EC; }
.section--dark .section-header__title::after { background: var(--color-secondary); }
.section-header__desc {
  font-size: 15px;
  color: #5B6B7A;
  line-height: 1.9;
}
.section--dark .section-header__desc { color: #D9CFC2; }

/* ----- 8. カード / グリッド ----- */
.grid {
  display: grid;
  gap: 28px;
}
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }

.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(44, 62, 80, .1);
  border-color: var(--color-secondary);
}
.card__icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: #FCEBDB;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 18px;
  color: var(--color-accent);
}
.card__title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--color-dark);
}
.card__text {
  font-size: 14.5px;
  color: #5B6B7A;
  line-height: 1.85;
}
.card__link {
  display: inline-block;
  margin-top: 16px;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-accent);
  border-bottom: 1px solid var(--color-accent);
}

/* 文章中で目立たせたいリンク（注釈・案内文などに使用） */
.link-emphasis {
  color: var(--color-accent);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: var(--color-accent);
  text-underline-offset: 3px;
}
.link-emphasis:hover {
  color: var(--color-primary);
  text-decoration-color: var(--color-primary);
}

/* 二本柱（メイン/付加価値）レイアウト */
.pillar-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 28px;
  align-items: stretch;
}
.pillar-card {
  border-radius: var(--radius);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
}
.pillar-card--main {
  background: linear-gradient(160deg, #fff 0%, #FCEFE0 100%);
  border: 1px solid var(--color-border);
}
.pillar-card--sub {
  background: linear-gradient(160deg, #fff 0%, #FBF6EC 100%);
  border: 1px solid var(--color-border);
}
.pillar-card__label {
  display: inline-block;
  align-self: flex-start;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .08em;
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.pillar-card--main .pillar-card__label {
  background: var(--color-primary);
  color: #fff;
}
.pillar-card--sub .pillar-card__label {
  background: #fff;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}
.pillar-card__title {
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 2.6vw, 1.6rem);
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--color-dark);
}
.pillar-card__text {
  font-size: 14.5px;
  color: #5B6B7A;
  margin-bottom: 22px;
  flex-grow: 1;
}

/* ----- 9. 強み・想いバンド ----- */
.feature-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-item {
  text-align: center;
  padding: 30px 22px;
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}
.feature-item__num {
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--color-secondary);
  letter-spacing: .12em;
  margin-bottom: 10px;
}
.feature-item__title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 12px;
}
.feature-item__text {
  font-size: 14px;
  color: #5B6B7A;
}

/* ----- 10. プロセスステップ ----- */
.step-list {
  display: grid;
  gap: 18px;
}
.step-item {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 24px;
  align-items: flex-start;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 26px 28px;
}
.step-item__num {
  font-family: var(--font-serif);
  font-size: 30px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}
.step-item__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 8px;
}
.step-item__text {
  font-size: 14.5px;
  color: #5B6B7A;
}

/* ----- 11. 引用ブロック / 注釈ブロック ----- */
.quote-block {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  padding: 36px 40px;
  background: #fff;
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-family: var(--font-serif);
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.9;
  text-align: center;
}
.note-block {
  max-width: 760px;
  margin: 28px auto 0;
  padding: 26px 30px;
  background: #F5EEDF;
  border-radius: var(--radius);
  font-size: 14px;
  line-height: 1.95;
  color: #5B6B7A;
}
.note-block strong { color: var(--color-dark); }

/* ----- 12. 料金表 ----- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}
.pricing-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  text-align: center;
}
.pricing-card--featured {
  border: 2px solid var(--color-primary);
  box-shadow: 0 18px 46px rgba(242, 153, 74, .18);
  transform: scale(1.03);
}
.pricing-card__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: #fff;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .08em;
  padding: 6px 18px;
  border-radius: 999px;
  white-space: nowrap;
}
.pricing-card__name {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 6px;
}
.pricing-card__price {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 4px;
}
.pricing-card__price span {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
}
.pricing-card__maintenance {
  font-size: 13.5px;
  color: var(--color-text);
  margin-bottom: 22px;
  padding-bottom: 22px;
  border-bottom: 1px dashed var(--color-border);
}
.pricing-card__maintenance .price-asterisk {
  color: var(--color-accent);
  font-weight: 700;
}
.pricing-card__list {
  text-align: left;
  font-size: 13.5px;
  color: #5B6B7A;
  display: grid;
  gap: 10px;
  margin-bottom: 26px;
  flex-grow: 1;
}
.pricing-card__list li::before {
  content: "結 ";
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--color-primary);
  margin-right: 4px;
}

/* ----- 13. 制作実績カード ----- */
.work-card {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 36px;
  align-items: center;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  padding: 0;
}
.work-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.work-card__body {
  padding: 36px 36px 36px 0;
}
.work-card__label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  border-radius: 999px;
  padding: 4px 14px;
  margin-bottom: 14px;
}
.work-card__title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 12px;
}
.work-card__text {
  font-size: 14.5px;
  color: #5B6B7A;
  margin-bottom: 18px;
}

/* ----- 14. プロフィール（about） ----- */
.profile-block {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 44px;
  align-items: flex-start;
  max-width: 880px;
  margin: 0 auto;
}
.profile-block__avatar img {
  width: 100%;
  border-radius: 50%;
  border: 1px solid var(--color-border);
}
.profile-block__avatar figcaption {
  text-align: center;
  font-size: 12.5px;
  color: var(--color-muted);
  margin-top: 12px;
}
.story p {
  font-size: 15px;
  line-height: 2;
  margin-bottom: 22px;
  color: #4A5A6A;
}
.story strong {
  color: var(--color-dark);
}

/* ----- 15. お問い合わせ ----- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 40px;
  align-items: flex-start;
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 22px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 16px;
}
.contact-item__icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #FCEBDB;
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
}
.contact-item__title {
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 4px;
}
.contact-item__text {
  font-size: 14px;
  color: #5B6B7A;
}
.contact-item__text a {
  color: var(--color-accent);
  font-weight: 700;
  border-bottom: 1px solid var(--color-accent);
}

.form {
  display: grid;
  gap: 18px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
}
.form-row label {
  display: block;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 8px;
}
.form-row input,
.form-row textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 14.5px;
  font-family: inherit;
  background: #FFFEFC;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.form-row input:focus,
.form-row textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(242, 153, 74, .18);
  outline: none;
}
.form-note {
  font-size: 12.5px;
  color: var(--color-muted);
}

/* 事業者情報（住所・連絡先・営業時間など） */
.biz-info {
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
}
.biz-info__row {
  display: flex;
  gap: 16px;
  font-size: 14px;
  padding: 6px 0;
}
.biz-info__row dt {
  flex: 0 0 88px;
  font-weight: 700;
  color: var(--color-dark);
}
.biz-info__row dd {
  color: var(--color-text);
}

/* ----- 16. CTAバンド（ダーク） ----- */
.cta-band {
  position: relative;
  background: var(--color-dark);
  color: #F4EFE6;
  text-align: center;
  padding: 84px 0;
  overflow: hidden;
}
.cta-band__logo {
  height: 34px;
  margin: 0 auto 22px;
  opacity: .92;
}
.cta-band__title {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  margin-bottom: 16px;
}
.cta-band__text {
  font-size: 15px;
  color: #D9CFC2;
  margin-bottom: 30px;
}

/* ----- 17. フッター ----- */
.site-footer {
  background: var(--color-dark);
  color: #D9CFC2;
  padding: 64px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}
.footer-logo img { height: 32px; margin-bottom: 16px; }
.footer-desc {
  font-size: 13.5px;
  line-height: 1.9;
  color: #B9AE9F;
  max-width: 280px;
}
.footer-col__title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: #F4EFE6;
  margin-bottom: 16px;
}
.footer-col ul { display: grid; gap: 10px; }
.footer-col a {
  font-size: 13.5px;
  color: #B9AE9F;
  transition: color .2s ease;
}
.footer-col a:hover { color: var(--color-secondary); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding-top: 24px;
  font-size: 12.5px;
  color: #8E8475;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

/* ----- 18. ユーティリティ ----- */
.text-center { text-align: center; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }
.is-hidden { display: none !important; }

/* =====================================================
   レスポンシブ
   ===================================================== */

/* タブレット（中間ブレークポイント） */
@media (max-width: 1024px) {
  .pricing-grid,
  .feature-band,
  .grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .pillar-grid {
    grid-template-columns: 1fr;
  }
  .work-card {
    grid-template-columns: 1fr;
  }
  .work-card__media img { aspect-ratio: 16/10; }
  .work-card__body { padding: 28px; }
  .profile-block {
    grid-template-columns: 160px 1fr;
    gap: 28px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* モバイル */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 24px 20px;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-150%);
    opacity: 0;
    transition: transform .3s ease, opacity .3s ease;
  }
  .nav-links.is-open {
    transform: translateY(0);
    opacity: 1;
  }
  .nav-links a {
    display: block;
    width: 100%;
    padding: 14px 0;
    border-bottom: 1px solid var(--color-border);
  }
  .nav-cta {
    margin-top: 12px;
    text-align: center;
    justify-content: center;
  }
  .hamburger { display: flex; }

  .hero { min-height: auto; padding: 110px 0 56px; }
  .hero__panel { padding: 28px 26px; }

  .grid--2,
  .grid--3,
  .pricing-grid,
  .feature-band,
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .pricing-card--featured { transform: none; }

  .step-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .profile-block {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .profile-block__avatar { max-width: 200px; margin: 0 auto; }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .work-card__body { padding: 24px; }
  .footer-bottom { flex-direction: column; }
}