/* ===== case.css ===== */

/* ===== アーカイブ (archive-case) ===== */

/* --- ヘッダー --- */
/* .ca-header__inner { max-width: 720px; } */
.ca-kicker {
  display: block;
  font-size: 18px;
  letter-spacing: .45em;
  color: var(--sub);
  margin-bottom: 8px;
}
.ca-subtitle {
  font-family: var(--serif);
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--sub);
  margin: 0 0 clamp(20px, 3vw, 32px);
}
.ca-heading {
  font-family: var(--serif);
  font-size: clamp(20px, 3vw, 28px);
  letter-spacing: .2em;
  font-weight: 400;
  margin: 0 0 clamp(20px, 3vw, 32px);
}
.ca-lead {
  font-family: var(--serif);
  font-size: 14px;
  letter-spacing: .14em;
  line-height: 2.4;
  color: var(--sub);
  margin: 0;
}

/* --- リスト --- */
.ca-header { padding-bottom: clamp(16px, 2.5vw, 28px); }
.ca-list-section { padding-top: 0; }

.ca-item {
  display: flex;
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
  padding: clamp(32px, 5vw, 52px) 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  transition: opacity .25s ease;
}
.ca-item:first-child { border-top: 1px solid var(--line); }
.ca-item:hover { opacity: .65; }

.ca-item__body { flex: 1; }

.ca-item__tags {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--sub);
  margin: 0 0 10px;
}
.ca-item__title {
  font-family: var(--serif);
  font-size: clamp(17px, 2.4vw, 22px);
  letter-spacing: .16em;
  font-weight: 400;
  line-height: 1.6;
  color: var(--ink);
  margin: 0 0 14px;
}
.ca-item__ichimoku {
  font-family: var(--serif);
  font-size: 13px;
  letter-spacing: .1em;
  line-height: 1.9;
  color: var(--sub);
  margin: 0 0 20px;
}
.ca-item__more {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: .22em;
  color: var(--sub);
}
.ca-item__arrow {
  display: inline-block;
  width: 24px;
  height: 1px;
  background: currentColor;
  position: relative;
  transition: width .5s cubic-bezier(.25,.8,.25,1);
}
.ca-item__arrow::before {
  content: "";
  position: absolute;
  right: 0; top: 0;
  width: 5px; height: 1px;
  background: currentColor;
  transform: rotate(38deg);
  transform-origin: right top;
}
.ca-item__arrow::after {
  content: "";
  position: absolute;
  right: 0; top: 0;
  width: 5px; height: 1px;
  background: currentColor;
  transform: rotate(-38deg);
  transform-origin: right bottom;
}
.ca-item:hover .ca-item__arrow { width: 48px; }

.ca-item__thumb {
  width: clamp(140px, 22vw, 240px);
  flex-shrink: 0;
}
.ca-item__img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.ca-item__ph {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: var(--line);
}

@media (max-width: 640px) {
  .ca-item { flex-direction: column; align-items: stretch; }
  .ca-item__thumb { width: 100%; }
}

/* ===== 詳細ページ (single-case) ===== */

.cs-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 28px;
}

/* --- ヘッダー --- */
.cs-header {
  padding-top: clamp(64px, 10vw, 100px);
      padding-bottom: 20px;
}
.cs-kicker {
  display: block;
  font-family: var(--sans);
  font-size: 18px;
  letter-spacing: .45em;
  color: var(--sub);
  margin-bottom: 8px;
  font-weight: 600;
}
.cs-subtitle {
  font-family: var(--serif);
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--sub);
  margin: 0 0 clamp(28px, 4vw, 44px);
}
.cs-title {
  font-family: var(--serif);
  font-size: 24px;
  letter-spacing: .22em;
  line-height: 1.5;
  font-weight: 400;
  color: var(--ink);
  margin: 0;
}

/* --- アイキャッチ --- */
.cs-eyecatch {
  margin-bottom: clamp(48px, 7vw, 72px);
}
.cs-eyecatch__img {
  width: 100%;
  height: auto;
  display: block;
  /* aspect-ratio: 16 / 9; */
  object-fit: cover;
  box-shadow: 0 0 8px #e6e6e6;
}

/* --- ご依頼の範囲 --- */
.cs-range {
  padding-bottom: clamp(48px, 7vw, 72px);
}
.cs-range__grid {
  display: grid;
  grid-template-columns: 148px 1fr;
  gap: 24px 32px;
  align-items: start;
  padding-top: clamp(28px, 4vw, 40px);
      width: 95%;
    margin: 0 auto;
}
.cs-range__label {
  font-family: var(--sans);
  font-size: 18px;
  letter-spacing: .22em;
  color: var(--sub);
  margin: 0;
  padding-top: 7px;
}
.cs-range__list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.cs-range__list li {
  font-family: var(--serif);
  font-size: 14px;
  letter-spacing: .18em;
  line-height: 2;
  color: var(--ink);
  padding: 7px 0 0;
  padding-left: 2.2em;
  position: relative;
}
.cs-range__list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 7px;
  color: var(--shu);
}


/* --- 本文 --- */
.cs-body {
  padding-bottom: clamp(60px, 8vw, 100px);
}
.cs-body p,
.cs-body .body {
  font-family: var(--sans);
  font-size: 16px;
  letter-spacing: .15em;
  line-height: 2;
  color: var(--ink);
      margin: 0 auto 1.6em;
    width: 95%;
}
.cs-body p:last-child { margin: 0; }
.cs-body h2 {
  font-family: var(--serif);
  font-size: 20px;
  letter-spacing: .16em;
  line-height: 1.7;
  font-weight: 400;
  color: var(--ink);
  margin: 2.4em 0 1em;
  background: #fff;
  padding: 5px 14px;
  width: fit-content;
}
.cs-body h3 {
  font-family: var(--serif);
  font-size: 18px;
  letter-spacing: .12em;
  line-height: 1.7;
  font-weight: 400;
  color: var(--ink);
  margin: 2em 0 .8em;
  background: #fff;
  padding: 4px 12px;
  width: fit-content;
}

/* --- お客様のお声 --- */
.cs-voice {
  padding-bottom: clamp(64px, 9vw, 112px);
}
.cs-voice__box {
  background-color: #fff;
  background-image:
    linear-gradient(rgba(0,0,0,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,.025) 1px, transparent 1px);
  background-size: 22px 22px;
  padding: clamp(32px, 5vw, 52px) clamp(28px, 4vw, 48px);
}
.cs-voice__label {
  font-family: var(--sans);
  font-size: 15px;
  letter-spacing: .3em;
  color: var(--sub);
  margin: 0 0 20px;
}
.cs-voice__text {
  font-family: var(--serif);
  font-size: 15px;
  letter-spacing: .08em;
  line-height: 2.4;
  color: var(--ink);
}

/* --- レスポンシブ --- */
@media (max-width: 640px) {
  .cs-range__grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

/* ===== クロージング (concept-close と共通) ===== */
.ca-close {
  background: #F8F8F8;
  padding-top: clamp(80px, 10vw, 120px);
  padding-bottom: clamp(80px, 10vw, 140px);
}
.ca-close__inner {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 28px;
}
.ca-close__quote {
  font-family: var(--serif);
  font-size: 16px;
  letter-spacing: .2em;
  line-height: 2.6;
  color: var(--ink);
  text-align: center;
  margin: 0 0 clamp(60px, 8vw, 100px);
}
.ca-close__nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.ca-close__label {
  font-family: var(--serif);
  font-size: clamp(18px, 2.2vw, 24px);
  letter-spacing: .22em;
  line-height: 2.0;
  color: var(--ink);
  margin: 0;
}
.ca-close__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.ca-close__links a {
  font-family: var(--serif);
  font-size: 15px;
  letter-spacing: .2em;
  color: var(--ink);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 16px;
  transition: gap .6s cubic-bezier(.25,.8,.25,1), opacity .3s ease;
}
.ca-close__links a:hover { gap: 44px; opacity: .55; }
.ca-close__links a:hover .ca-close__arrow { width: 64px; }

.ca-close__arrow {
  position: relative;
  width: 28px;
  height: 1px;
  background: currentColor;
  flex-shrink: 0;
  transition: width .6s cubic-bezier(.25,.8,.25,1);
}
.ca-close__arrow::before,
.ca-close__arrow::after {
  content: "";
  position: absolute;
  right: 0;
  width: 6px;
  height: 1px;
  background: currentColor;
}
.ca-close__arrow::before {
  top: 0;
  transform: rotate(-38deg);
  transform-origin: right bottom;
}
.ca-close__arrow::after {
  bottom: 0;
  transform: rotate(38deg);
  transform-origin: right top;
}

@media (max-width: 640px) {
  .ca-close__nav {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}