/*
Theme Name:   AlphaLink Partners Child
Theme URI:    https://alphalink-partners.com/
Description:  SWELL Child Theme for アルファリンクパートナーズ
Author:       山田拓海
Author URI:   https://alphalink-partners.com/
Template:     swell
Version:      1.0.0
Text Domain:  alphalink-child
*/

/* ============================================================
   このファイルはSWELL子テーマのメインCSSです。
   SWELLの管理画面 > 外観 > テーマ でこの子テーマを有効化してください。
   ============================================================ */

/* ----------------------------------------------------------
   1. CSS変数（カラー・フォント・サイズ定義）
   ---------------------------------------------------------- */
:root {
  --al-black:      #0a0a0a;
  --al-white:      #ffffff;
  --al-gray-100:   #f5f5f3;
  --al-gray-200:   #e8e8e4;
  --al-gray-400:   #b0b0a8;
  --al-gray-600:   #6b6b65;
  --al-font-sans:  'Noto Sans JP', sans-serif;
  --al-font-serif: 'Noto Serif JP', serif;
  --al-max-width:  1200px;
  --al-section-pd: 120px 48px;
}

/* ----------------------------------------------------------
   2. リセット・ベース
   ---------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--al-font-sans);
  background: var(--al-white);
  color: var(--al-black);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

/* ----------------------------------------------------------
   3. SWELLデフォルトの上書き
   ---------------------------------------------------------- */

/* ヘッダー */
#header {
  position: fixed !important;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 72px !important;
  background: rgba(255, 255, 255, 0.96) !important;
  border-bottom: 1px solid var(--al-gray-200) !important;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: none !important;
}

#header .l-header__inner {
  max-width: var(--al-max-width);
  margin: 0 auto;
  padding: 0 48px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ロゴ */
.c-headLogo__link {
  font-size: 15px !important;
  font-weight: 700 !important;
  letter-spacing: 0.1em !important;
  color: var(--al-black) !important;
  font-family: var(--al-font-sans) !important;
}

.c-headLogo__img {
  height: 36px !important;
  width: auto !important;
}

/* グローバルナビ */
.c-gnav__item > a {
  font-size: 13px !important;
  font-weight: 400 !important;
  letter-spacing: 0.06em !important;
  color: var(--al-black) !important;
  padding: 0 !important;
}

.c-gnav__item > a:hover {
  opacity: 0.5;
  color: var(--al-black) !important;
  background: transparent !important;
}

/* お問合せボタン（ナビ末尾） */
.c-gnav__item.is-contact > a,
.gnav-contact > a {
  padding: 10px 24px !important;
  background: var(--al-black) !important;
  color: var(--al-white) !important;
  font-size: 12px !important;
  letter-spacing: 0.08em !important;
  border-radius: 0 !important;
}

.c-gnav__item.is-contact > a:hover,
.gnav-contact > a:hover {
  background: var(--al-gray-600) !important;
  opacity: 1 !important;
}

/* メインコンテンツ上部余白（固定ヘッダー分） */
#main,
.l-main {
  padding-top: 72px !important;
}

/* パンくずリストを非表示 */
.c-breadcrumb {
  display: none !important;
}

/* ----------------------------------------------------------
   4. ヒーローセクション（.al-hero）
   ---------------------------------------------------------- */
.al-hero {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 120px 48px 72px;
  background: var(--al-black);
  position: relative;
  overflow: hidden;
}

.al-hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

.al-hero__content {
  position: relative;
  z-index: 1;
  max-width: var(--al-max-width);
  margin: 0 auto;
  width: 100%;
  animation: heroFadeUp 1s ease 0.2s both;
}

.al-hero__tag {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 24px;
  font-weight: 300;
  display: block;
}

.al-hero__title {
  font-family: var(--al-font-serif);
  font-size: clamp(42px, 6vw, 80px);
  font-weight: 300;
  color: var(--al-white);
  line-height: 1.2;
  letter-spacing: 0.04em;
  margin-bottom: 32px;
}

.al-hero__desc {
  font-size: 15px;
  color: rgba(255,255,255,0.5);
  max-width: 480px;
  line-height: 1.9;
  font-weight: 300;
}

.al-hero__scroll {
  position: absolute;
  bottom: 40px;
  right: 48px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 11px;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.3);
  z-index: 1;
  animation: heroFadeUp 1s ease 0.8s both;
}

.al-hero__scroll-line {
  width: 48px;
  height: 1px;
  background: rgba(255,255,255,0.2);
}

@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ----------------------------------------------------------
   5. セクション共通
   ---------------------------------------------------------- */
.al-section {
  padding: var(--al-section-pd);
}

.al-section__inner {
  max-width: var(--al-max-width);
  margin: 0 auto;
}

.al-section-label {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--al-gray-400);
  margin-bottom: 16px;
  font-weight: 400;
  display: block;
}

.al-section-title {
  font-family: var(--al-font-serif);
  font-size: clamp(28px, 3.5vw, 48px);
  font-weight: 300;
  line-height: 1.3;
  letter-spacing: 0.04em;
  margin-bottom: 48px;
}

/* ----------------------------------------------------------
   6. 事業概要セクション（.al-about）
   ---------------------------------------------------------- */
.al-about {
  background: var(--al-white);
}

.al-about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.al-about__lead {
  font-size: 16px;
  line-height: 2;
  color: var(--al-gray-600);
  font-weight: 300;
  margin-bottom: 40px;
}

/* サービスカード */
.al-service-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--al-gray-200);
}

.al-service-card {
  background: var(--al-gray-100);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: background 0.2s;
  cursor: default;
}

.al-service-card:hover {
  background: var(--al-white);
}

.al-service-card__num {
  font-size: 11px;
  color: var(--al-gray-400);
  letter-spacing: 0.15em;
}

.al-service-card__name {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.al-service-card__desc {
  font-size: 12px;
  color: var(--al-gray-600);
  line-height: 1.8;
  font-weight: 300;
}

/* 数字ブロック */
.al-stats {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.al-stats__row {
  display: flex;
  gap: 1px;
}

.al-stat {
  flex: 1;
  background: var(--al-gray-100);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.al-stat.is-dark {
  background: var(--al-black);
  color: var(--al-white);
}

.al-stat__num {
  font-family: var(--al-font-serif);
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
}

.al-stat__unit {
  font-size: 16px;
  font-weight: 400;
}

.al-stat__label {
  font-size: 11px;
  color: var(--al-gray-400);
  letter-spacing: 0.08em;
}

.al-stat.is-dark .al-stat__label {
  color: rgba(255,255,255,0.4);
}

/* ----------------------------------------------------------
   7. 会社概要セクション（.al-company）
   ---------------------------------------------------------- */
.al-company {
  background: var(--al-gray-100);
}

.al-company__table {
  width: 100%;
  border-collapse: collapse;
}

.al-company__table tr {
  border-bottom: 1px solid var(--al-gray-200);
}

.al-company__table tr:first-child {
  border-top: 1px solid var(--al-gray-200);
}

.al-company__table td {
  padding: 24px 0;
  font-size: 14px;
  vertical-align: top;
}

.al-company__table td:first-child {
  color: var(--al-gray-600);
  font-weight: 300;
  width: 180px;
  font-size: 12px;
  letter-spacing: 0.05em;
}

.al-company__table td:last-child {
  font-weight: 400;
  line-height: 1.8;
}

/* ----------------------------------------------------------
   8. ニュースセクション（.al-news）
   ---------------------------------------------------------- */
.al-news {
  background: var(--al-white);
}

.al-news__list {
  display: flex;
  flex-direction: column;
}

.al-news__item {
  display: grid;
  grid-template-columns: 110px 100px 1fr 24px;
  gap: 24px;
  align-items: center;
  padding: 28px 0;
  border-bottom: 1px solid var(--al-gray-200);
  transition: background 0.15s;
}

.al-news__item:first-child {
  border-top: 1px solid var(--al-gray-200);
}

.al-news__date {
  font-size: 12px;
  color: var(--al-gray-600);
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.al-news__tag {
  font-size: 10px;
  letter-spacing: 0.08em;
  border: 1px solid var(--al-gray-400);
  color: var(--al-gray-600);
  padding: 4px 10px;
  text-align: center;
  font-weight: 300;
  white-space: nowrap;
}

.al-news__title {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.6;
}

.al-news__arrow {
  font-size: 16px;
  color: var(--al-gray-400);
  transition: color 0.2s, transform 0.2s;
}

.al-news__item:hover .al-news__arrow {
  color: var(--al-black);
  transform: translateX(4px);
}

.al-news__more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 40px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--al-black);
  border-bottom: 1px solid var(--al-black);
  padding-bottom: 4px;
  transition: opacity 0.2s;
}

.al-news__more:hover {
  opacity: 0.5;
}

/* ----------------------------------------------------------
   9. お問合せセクション（.al-contact）
   ---------------------------------------------------------- */
.al-contact {
  background: var(--al-black);
  color: var(--al-white);
}

.al-contact .al-section-label {
  color: rgba(255,255,255,0.3);
}

.al-contact .al-section-title {
  color: var(--al-white);
}

.al-contact__desc {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  margin-bottom: 48px;
  line-height: 1.9;
  font-weight: 300;
}

/* CF7フォームのラッパー */
.al-contact__form {
  max-width: 640px;
}

/* CF7 フォーム要素（黒背景用） */
.al-contact .wpcf7-form label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.5);
  margin-bottom: 8px;
  font-weight: 300;
}

.al-contact .wpcf7-form .wpcf7-text,
.al-contact .wpcf7-form .wpcf7-textarea,
.al-contact .wpcf7-form .wpcf7-select {
  width: 100%;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 0;
  padding: 14px 16px;
  font-size: 14px;
  font-family: var(--al-font-sans);
  background: rgba(255,255,255,0.05);
  color: var(--al-white);
  transition: border-color 0.2s;
  outline: none;
  margin-bottom: 24px;
}

.al-contact .wpcf7-form .wpcf7-text:focus,
.al-contact .wpcf7-form .wpcf7-textarea:focus {
  border-color: rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.08);
}

.al-contact .wpcf7-form .wpcf7-text::placeholder,
.al-contact .wpcf7-form .wpcf7-textarea::placeholder {
  color: rgba(255,255,255,0.2);
}

.al-contact .wpcf7-form .wpcf7-submit {
  padding: 16px 48px;
  background: var(--al-white);
  color: var(--al-black);
  border: none;
  font-size: 13px;
  letter-spacing: 0.1em;
  font-family: var(--al-font-sans);
  cursor: pointer;
  transition: background 0.2s;
  border-radius: 0;
  font-weight: 500;
}

.al-contact .wpcf7-form .wpcf7-submit:hover {
  background: var(--al-gray-200);
}

/* バリデーションエラー */
.al-contact .wpcf7-not-valid-tip {
  color: #ff6b6b;
  font-size: 12px;
  margin-top: -16px;
  margin-bottom: 16px;
  display: block;
}

.al-contact .wpcf7-response-output {
  border: 1px solid rgba(255,255,255,0.2) !important;
  color: rgba(255,255,255,0.6) !important;
  padding: 12px 16px !important;
  margin-top: 24px !important;
  font-size: 13px !important;
  background: transparent !important;
}

/* ----------------------------------------------------------
   10. フッター
   ---------------------------------------------------------- */
#footer,
.l-footer {
  background: var(--al-black) !important;
  color: var(--al-white) !important;
  padding: 64px 48px 40px !important;
}

.l-footer__inner {
  max-width: var(--al-max-width);
  margin: 0 auto;
}

.al-footer__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 48px;
}

.al-footer__logo {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--al-white);
}

.al-footer__nav {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}

.al-footer__nav a {
  font-size: 12px;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.08em;
  transition: color 0.2s;
}

.al-footer__nav a:hover {
  color: var(--al-white);
  opacity: 1;
}

.al-footer__divider {
  border: none;
  border-top: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 32px;
}

.al-footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 16px;
}

.al-footer__info {
  font-size: 11px;
  color: rgba(255,255,255,0.25);
  line-height: 2;
}

.al-footer__copy {
  font-size: 11px;
  color: rgba(255,255,255,0.2);
}

/* SWELLフッターデフォルトを上書き */
.c-footerNav__item a {
  color: rgba(255,255,255,0.4) !important;
  font-size: 12px !important;
}

.c-footerCopy {
  color: rgba(255,255,255,0.2) !important;
  font-size: 11px !important;
  background: transparent !important;
}

/* ----------------------------------------------------------
   11. お問合せフォームページ（Contact Form 7対応）
   ---------------------------------------------------------- */
.wpcf7-form .wpcf7-text,
.wpcf7-form .wpcf7-textarea,
.wpcf7-form .wpcf7-select {
  width: 100%;
  border: 1px solid var(--al-gray-200);
  border-radius: 0;
  padding: 14px 16px;
  font-size: 14px;
  font-family: var(--al-font-sans);
  background: var(--al-white);
  color: var(--al-black);
  transition: border-color 0.2s;
  outline: none;
}

.wpcf7-form .wpcf7-text:focus,
.wpcf7-form .wpcf7-textarea:focus {
  border-color: var(--al-black);
}

.wpcf7-form .wpcf7-submit {
  padding: 16px 48px;
  background: var(--al-black);
  color: var(--al-white);
  border: none;
  font-size: 13px;
  letter-spacing: 0.1em;
  font-family: var(--al-font-sans);
  cursor: pointer;
  transition: background 0.2s;
  border-radius: 0;
}

.wpcf7-form .wpcf7-submit:hover {
  background: var(--al-gray-600);
}

/* ----------------------------------------------------------
   12. レスポンシブ対応
   ---------------------------------------------------------- */

/* タブレット（768px〜1024px） */
@media (max-width: 1024px) {
  :root {
    --al-section-pd: 80px 32px;
  }

  .al-hero {
    padding: 0 32px 64px;
  }

  .al-hero__scroll {
    right: 32px;
  }

  .al-about__grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  #header .l-header__inner {
    padding: 0 32px;
  }
}

/* スマートフォン（〜767px） */
@media (max-width: 767px) {
  :root {
    --al-section-pd: 64px 20px;
  }

  /* ヘッダー */
  #header .l-header__inner {
    padding: 0 20px;
  }

  .c-headLogo__link {
    font-size: 13px !important;
  }

  /* ヒーロー */
  .al-hero {
    padding: 100px 20px 48px;
    min-height: 50vh;
  }

  .al-hero__title {
    font-size: clamp(32px, 8vw, 48px);
  }

  .al-hero__scroll {
    right: 20px;
    bottom: 24px;
  }

  /* サービスカード */
  .al-service-cards {
    grid-template-columns: 1fr;
  }

  /* 会社概要テーブル */
  .al-company__table td:first-child {
    width: 120px;
  }

  /* ニュース */
  .al-news__item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .al-news__arrow {
    display: none;
  }

  /* フッター */
  #footer,
  .l-footer {
    padding: 48px 20px 32px !important;
  }

  .al-footer__top {
    flex-direction: column;
    gap: 32px;
  }

  .al-footer__nav {
    gap: 20px;
  }

  .al-footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  /* ボタン */
  .al-contact__btn {
    width: 100%;
    justify-content: center;
    padding: 18px 32px;
  }
}

/* ----------------------------------------------------------
   13. アニメーション（スクロールフェードイン）
   ---------------------------------------------------------- */
.al-fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.al-fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}