/*
 * ブログのトップページ（front-page.php）専用
 * ショップ iic-shop.net のトップと同じ見せ方にそろえる
 * 色: 見出しの帯 #35325f → #564592 ＋ 金の線 #cccc54 / ボタン #26313d / 文字 #2a3743
 */

:root {
  --iic-navy: #35325f;
  --iic-purple: #564592;
  --iic-gold: #cccc54;
  --iic-btn: #26313d;
  --iic-text: #2a3743;
  --iic-line: #e3e1ec;
  --iic-bg-soft: #f5f4f9;
}

/* メイン画像を横幅いっぱいに出すため、横スクロールだけ止める */
.home .wrap {
  overflow-x: clip;
}

/* ---------- メイン画像（スライド） ---------- */
.iic-hero {
  position: relative;
  width: calc(100vw - var(--iic-sbw, 0px));
  margin-left: calc(50% - 50vw + var(--iic-sbw, 0px) / 2);
  height: 550px;
  overflow: hidden;
  background: #111;
}
.iic-hero__track,
.iic-hero__slide,
.iic-hero__link {
  position: absolute;
  inset: 0;
}
.iic-hero__slide {
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.8s ease, visibility 0.8s;
}
.iic-hero__slide.is-active {
  opacity: 1;
  visibility: visible;
}
.iic-hero__link,
.iic-hero__link:hover,
.iic-hero__link:focus,
.iic-hero__link:visited {
  display: block;
  color: #fff;
  text-decoration: none;
}
.iic-hero__link::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.2);
}
.iic-hero__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
/* ホバーでゆっくり少し拡大（ブログ共通 main.css の「a:hover img を 95% に縮める」を打ち消す） */
.iic-hero__link .iic-hero__img {
  transform: scale(1);
  transition: transform 1.2s ease;
}
.iic-hero__link:hover .iic-hero__img,
.iic-hero__link:focus-visible .iic-hero__img {
  transform: scale(1.05);
}
.iic-hero__text {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  z-index: 1;
  transform: translateY(-50%);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.45);
}
.iic-hero__slide--center .iic-hero__text {
  text-align: center;
}
.iic-hero__title {
  display: block;
  font-size: 72px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: 0.02em;
}
.iic-hero__sub {
  display: block;
  margin-top: 14px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.06em;
}
.iic-hero__dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 22px;
  z-index: 2;
  display: flex;
  justify-content: center;
  gap: 10px;
}
.iic-hero__dot {
  width: 40px;
  height: 4px;
  padding: 0;
  border: 0;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.45);
  cursor: pointer;
}
.iic-hero__dot.is-active {
  background: #fff;
}
.iic-hero__dot:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 4px;
}

/* サイドバーと本文の上端をそろえる */
.home #main {
  margin-top: 30px !important;
}
.home #secondary {
  margin-top: 30px;
}

/* ---------- 共通：見出しの帯（ショップのトップと同じ） ---------- */
.iic-front {
  color: var(--iic-text);
}
.iic-front-sec {
  margin: 0 0 56px;
}
.iic-front .iic-front-title {
  box-sizing: border-box;
  width: 100%;
  margin: 0 0 24px;
  padding: 13px 20px 13px 24px;
  border-left: 5px solid var(--iic-gold);
  border-radius: 2px;
  background: linear-gradient(90deg, var(--iic-navy) 0%, var(--iic-purple) 100%);
  color: #fff;
  font-size: 22px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.04em;
}
.iic-front-more {
  margin: 28px 0 0;
  text-align: center;
}
.iic-front .iic-front-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 280px;
  min-height: 50px;
  padding: 0 32px;
  border: 1px solid var(--iic-navy);
  background: #fff;
  color: var(--iic-navy);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}
.iic-front .iic-front-btn:hover,
.iic-front .iic-front-btn:focus-visible {
  background: var(--iic-navy);
  color: #fff;
}
.iic-front .iic-front-btn--dark {
  border-color: var(--iic-btn);
  background: var(--iic-btn);
  color: #fff;
}
.iic-front .iic-front-btn--dark:hover,
.iic-front .iic-front-btn--dark:focus-visible {
  background: #3b4a5a;
}
.iic-front ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.iic-front ul li {
  margin: 0;
  padding: 0;
}
.iic-front ul li::before {
  content: none;
}

/* ---------- コラムのカテゴリー ---------- */
.iic-topics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.iic-front .iic-topics__link {
  display: block;
  height: 100%;
  background: #000;
  color: #fff;
  text-decoration: none;
  overflow: hidden;
}
.iic-topics__img {
  display: block;
  width: 100%;
  height: auto;
  transition: opacity 0.3s, transform 0.4s;
}
.iic-topics__link:hover .iic-topics__img {
  opacity: 0.8;
  transform: scale(1.04);
}
.iic-topics__label {
  display: block;
  padding: 10px 8px 12px;
  font-size: 14px;
  line-height: 1.5;
  text-align: center;
}
.iic-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px !important;
}
.iic-front .iic-tags a {
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid var(--iic-line);
  border-radius: 999px;
  background: var(--iic-bg-soft);
  color: var(--iic-navy);
  font-size: 13px;
  text-decoration: none;
}
.iic-front .iic-tags a:hover {
  border-color: var(--iic-navy);
}
.iic-tags span {
  font-size: 11px;
  opacity: 0.7;
}

/* ---------- 記事カード（最新の記事・人気の記事） ---------- */
.iic-cards {
  display: grid;
  gap: 28px 24px;
}
.iic-cards--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.iic-cards--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px 16px;
}
.iic-card {
  min-width: 0;
}
.iic-front .iic-card__link {
  display: block;
  height: 100%;
  color: inherit;
  text-decoration: none;
}
.iic-card__thumb {
  position: relative;
  /* 既定は最新記事のアイキャッチ（16:9相当）に合わせる */
  aspect-ratio: 1200 / 630;
  overflow: hidden;
  /* アイキャッチは横長・4:3などサイズがまちまちなので、切り取らず全体を表示する */
  background: #fff;
  border: 1px solid var(--iic-line);
}
.iic-card__thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.4s;
}
.iic-card__link:hover .iic-card__thumb img {
  transform: scale(1.04);
}
.iic-card__noimg {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: #b9b5cf;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.2em;
}
/* 人気の記事のアイキャッチは 4:3。枠も同じ比率にして余白が出ないようにする */
.iic-cards--4 .iic-card__thumb {
  aspect-ratio: 4 / 3;
}

/* おすすめの記事：アイキャッチが 1200×630 と 480×359 の混在のため、
   中間の 3:2 の枠にして、どちらも切り抜かず余白を最小にする */
.iic-cards--reco .iic-card__thumb {
  aspect-ratio: 3 / 2;
}

.iic-card__rank {
  position: absolute;
  top: 0;
  left: 0;
  width: 36px;
  height: 36px;
  background: var(--iic-navy);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  line-height: 36px;
  text-align: center;
}
.iic-card__rank--1 {
  background: var(--iic-gold);
  color: var(--iic-navy);
}
.iic-card__body {
  padding-top: 10px;
}
.iic-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 8px;
  margin: 0 0 6px !important;
  font-size: 12px;
  line-height: 1.4;
}
.iic-card__meta time {
  opacity: 0.7;
}
.iic-card__cat {
  padding: 1px 8px;
  background: var(--iic-bg-soft);
  color: var(--iic-navy);
  font-size: 11px;
}
.iic-front .iic-card__title {
  margin: 0;
  padding: 0;
  border: 0;
  background: none;
  color: var(--iic-text);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.55;
}
.iic-card__link:hover .iic-card__title {
  text-decoration: underline;
}
.iic-card__excerpt {
  display: -webkit-box;
  margin: 6px 0 0 !important;
  overflow: hidden;
  font-size: 13px;
  line-height: 1.7;
  opacity: 0.85;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.iic-card__views {
  margin: 6px 0 0 !important;
  font-size: 12px;
  opacity: 0.7;
}
.iic-cards--4 .iic-front .iic-card__title,
.iic-cards--4 .iic-card__title {
  font-size: 14px;
}

/* 1件目を大きく（画像左・文字右） */
.iic-card--feature {
  margin-bottom: 32px;
}
.iic-card--feature .iic-card__link {
  display: grid;
  grid-template-columns: 56% minmax(0, 1fr);
  gap: 28px;
  align-items: center;
}
.iic-card--feature .iic-card__body {
  padding-top: 0;
}
.iic-front .iic-card--feature .iic-card__title {
  font-size: 22px;
  line-height: 1.5;
}
.iic-card--feature .iic-card__excerpt {
  margin-top: 12px !important;
  font-size: 14px;
  -webkit-line-clamp: 4;
}

/* ---------- 通販ショップの商品カテゴリー ---------- */
.iic-collections {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px 16px;
}
.iic-front .iic-collections__link {
  display: block;
  color: var(--iic-text);
  text-decoration: none;
}
.iic-collections__thumb {
  display: block;
  aspect-ratio: 1;
  overflow: hidden;
  background: #fff;
}
.iic-collections__thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}
.iic-collections__link:hover img {
  transform: scale(1.04);
}
.iic-collections__title {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.5;
  text-align: center;
}

/* ---------- 施工方法の動画 ---------- */
.iic-videos {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.iic-front .iic-videos__link {
  display: block;
  color: var(--iic-text);
  text-decoration: none;
}
.iic-videos__thumb {
  position: relative;
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #000;
}
.iic-videos__thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.iic-videos__play {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 60px;
  height: 42px;
  border-radius: 10px;
  background: rgba(204, 0, 0, 0.9);
  transform: translate(-50%, -50%);
  transition: background 0.2s;
}
.iic-videos__play::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  border-style: solid;
  border-width: 9px 0 9px 15px;
  border-color: transparent transparent transparent #fff;
  transform: translate(-40%, -50%);
}
.iic-videos__link:hover .iic-videos__play {
  background: #f00;
}
.iic-videos__text {
  display: block;
  margin-top: 10px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.6;
}
.iic-front .iic-front-btn--sub {
  min-width: 240px;
  min-height: 44px;
  font-size: 14px;
}

/* ---------- 会社情報 ---------- */
.iic-company {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 32px;
  align-items: center;
}
.iic-company__img img {
  display: block;
  width: 100%;
  height: auto;
}
.iic-company__list {
  display: grid;
  grid-template-columns: 6em minmax(0, 1fr);
  margin: 0;
  border-top: 1px solid var(--iic-line);
  font-size: 14px;
  line-height: 1.6;
}
.iic-company__list dt,
.iic-company__list dd {
  margin: 0;
  padding: 12px 4px;
  border-bottom: 1px solid var(--iic-line);
}
.iic-company__list dt {
  color: var(--iic-navy);
  font-weight: 700;
}
.iic-front .iic-company__list a {
  color: inherit;
}
.iic-company .iic-front-more {
  text-align: left;
}

/* ---------- タブレット ---------- */
@media only screen and (max-width: 1024px) {
  .iic-cards--4,
  .iic-collections {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .iic-hero__title {
    font-size: 56px;
  }
}

/* ---------- スマホ ---------- */
@media only screen and (max-width: 767px) {
  .iic-hero {
    height: 420px;
  }
  .iic-hero__text {
    padding: 0 20px;
  }
  .iic-hero__title {
    font-size: 36px;
  }
  .iic-hero__sub {
    margin-top: 10px;
    font-size: 15px;
  }
  .home #main {
    margin-top: 20px !important;
  }
  .iic-front > .keni-main_inner {
    padding-left: 15px;
    padding-right: 15px;
  }
  .iic-front-sec {
    margin-bottom: 40px;
  }
  .iic-front .iic-front-title {
    margin-bottom: 18px;
    padding: 11px 14px 11px 18px;
    font-size: 18px;
  }
  .iic-front .iic-front-btn {
    min-width: 0;
    width: 100%;
    max-width: 340px;
  }
  .iic-topics,
  .iic-cards--3,
  .iic-videos {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 12px;
  }
  .iic-videos {
    grid-template-columns: 1fr;
  }
  .iic-topics__label {
    font-size: 12px;
  }
  .iic-card--feature .iic-card__link {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .iic-card--feature .iic-card__body {
    padding-top: 12px;
  }
  .iic-front .iic-card--feature .iic-card__title {
    font-size: 18px;
  }
  .iic-card--feature .iic-card__excerpt {
    -webkit-line-clamp: 3;
  }
  .iic-front .iic-card__title,
  .iic-cards--4 .iic-card__title {
    font-size: 13px;
  }
  .iic-card__excerpt {
    display: none;
  }
  .iic-card--feature .iic-card__excerpt {
    display: -webkit-box;
  }
  .iic-company {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .iic-company .iic-front-more {
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .iic-hero__slide,
  .iic-topics__img,
  .iic-card__thumb img,
  .iic-collections__thumb img,
  .iic-hero__link .iic-hero__img {
    transition: none;
  }
}