/*
 * LAD MUSICIAN — OFFICIAL TRADE IN
 * Static implementation / 2026-11-06
 *
 * 既存サイトと混在できるよう、.lad-tradein配下だけに適用します。
 * 01 基本設定 / 02 共通 / 03 Hero / 04 About / 05 Coupon
 * 06 Flow / 07 Items / 08 Stores / 09 FAQ / 10 Apply・Office・Footer
 * 11 固定CTA / 12 レスポンシブ / 13 印刷
 */

/* 01 — 基本設定 */
.lad-tradein {
  --lad-bg: #fafaf8;
  --lad-ink: #111;
  --lad-muted-bg: #f0efeb;
  --lad-line: #e4e3df;
  --lad-body: #333;
  --lad-note: #626262;
  --lad-container: 1320px;
  --lad-gutter: clamp(20px, 4vw, 48px);
  --lad-section-space: clamp(72px, 10vw, 144px);
  --lad-font: "Jost", "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  margin: 0;
  background: var(--lad-bg);
  color: var(--lad-ink);
  font-family: var(--lad-font);
  font-size: 15px;
  font-weight: 300;
  line-height: 2.1;
  letter-spacing: .08em;
  -webkit-font-smoothing: antialiased;
}

/* 単体プレビュー時の余白だけを除去。埋め込み先のbodyには影響しません。 */
.lad-tradein-page {
  margin: 0;
}

.lad-tradein *,
.lad-tradein *::before,
.lad-tradein *::after {
  box-sizing: border-box;
}

.lad-tradein h1,
.lad-tradein h2,
.lad-tradein h3,
.lad-tradein p,
.lad-tradein ol,
.lad-tradein ul,
.lad-tradein dl,
.lad-tradein dd {
  margin: 0;
}

.lad-tradein img {
  display: block;
  max-width: 100%;
}
.lad-tradein a {
  color: inherit;
  text-decoration: none;
}
.lad-tradein a:focus-visible,
.lad-tradein summary:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 6px;
}
.lad-tradein [id] {
  scroll-margin-top: 32px;
}

/* 02 — 共通レイアウト・見出し・リンク */
.lad-tradein__container {
  width: 100%;
  max-width: var(--lad-container);
  margin-inline: auto;
  padding-inline: var(--lad-gutter);
}

.lad-tradein__section {
  padding-block: var(--lad-section-space);
}
.lad-tradein__split {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: clamp(40px, 6vw, 96px);
}
.lad-tradein__split--center {
  align-items: center;
}
.lad-tradein__section-heading {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.lad-tradein__section-heading--row {
  flex-direction: row;
  justify-content: space-between;
  align-items: end;
}
.lad-tradein__section-heading--row > div {
  display: grid;
  gap: 24px;
}
.lad-tradein__section-content {
  display: flex;
  flex-direction: column;
  gap: 32px;
  color: var(--lad-body);
}
.lad-tradein h2 {
  font-size: clamp(22px, 2.6vw, 32px);
  font-weight: 300;
  line-height: 1.8;
  letter-spacing: .12em;
  text-wrap: pretty;
}
.lad-tradein h3 {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.8;
  letter-spacing: .1em;
}
.lad-tradein__eyebrow {
  font-family: "Jost", sans-serif;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .35em;
  line-height: 1.7;
}
.lad-tradein__small-note {
  font-size: 12px;
  line-height: 1.9;
  color: var(--lad-note);
  letter-spacing: .06em;
}
.lad-tradein__border-section {
  border-top: 1px solid var(--lad-line);
}
.lad-tradein__muted-section {
  background: var(--lad-muted-bg);
}
.lad-tradein__dark-section {
  background: var(--lad-ink);
  color: #fff;
}
.lad-tradein__dark-section .lad-tradein__section-content {
  color: #fff;
}
.lad-tradein__dark-section .lad-tradein__small-note {
  color: #b7b7b7;
}
.lad-tradein__mobile-break {
  display: none;
}

.lad-tradein__button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
  min-height: 60px;
  padding: 16px 32px;
  border: 1px solid transparent;
  font-family: var(--lad-font);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: .18em;
  text-align: center;
  transition: opacity .15s ease;
}

.lad-tradein__button:hover {
  opacity: .76;
}
.lad-tradein__button--light {
  background: #fff;
  color: var(--lad-ink) !important;
}
.lad-tradein__button--dark {
  background: var(--lad-ink);
  color: #fff !important;
}
.lad-tradein__button--outline-light {
  border-color: #ccc;
  color: #fff;
}
.lad-tradein__text-link {
  display: inline-flex;
  align-items: center;
  gap: 20px;
  margin-top: 28px;
  font-size: 13px;
  text-decoration: underline !important;
  text-underline-offset: 5px;
}
.lad-tradein__logo {
  width: 220px;
  height: auto;
  mix-blend-mode: multiply;
}
.lad-tradein__logo--light {
  filter: invert(1);
  mix-blend-mode: screen;
}
.lad-tradein__skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  z-index: 100;
  padding: 12px 20px;
  background: #fff;
  color: #111;
}
.lad-tradein__skip-link:focus {
  top: 12px;
}

/* 03 — Hero
 * 写真を使う場合は、権利確認済みの画像をassets/images/へ配置し、
 * background-image: linear-gradient(...), url("../images/hero.jpg"); を追加。
 * 現在は支給データのない写真を使用せず、黒背景で表示します。
 */
.lad-tradein__hero {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 640px;
  height: min(88svh, 860px);
  background: #111;
  background-size: cover;
  background-position: center;
  color: #fff;
}
.lad-tradein__hero-brand {
  padding-top: 36px;
}
.lad-tradein__hero-content {
  padding-top: 80px;
  padding-bottom: clamp(48px, 7vh, 80px);
}
.lad-tradein__hero-title {
  margin-top: 20px !important;
  font-family: "Jost", sans-serif;
  font-size: clamp(62px, 8.5vw, 112px);
  font-weight: 300;
  line-height: 1;
  letter-spacing: .15em;
}
.lad-tradein__hero-copy {
  margin-top: 32px !important;
  font-size: clamp(17px, 1.7vw, 21px);
  line-height: 2;
  letter-spacing: .13em;
}
.lad-tradein__hero-description {
  margin-top: 12px !important;
  font-size: 14px;
  line-height: 2;
  color: #ddd;
}
.lad-tradein__period {
  display: flex;
  flex-wrap: wrap;
  column-gap: 10px;
  margin-top: 24px !important;
  font-size: 12px;
  letter-spacing: .08em;
}
.lad-tradein__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 28px;
}

/* 04 — About */
.lad-tradein__summary-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  list-style: none;
  padding: 0;
  border-top: 1px solid var(--lad-ink);
}
.lad-tradein__summary-steps li {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 16px;
  font-size: 13px;
  line-height: 1.9;
}
.lad-tradein__summary-steps li:first-child {
  padding-left: 0;
}
.lad-tradein__summary-steps li + li {
  border-left: 1px solid var(--lad-line);
}
.lad-tradein__step-label {
  color: #777;
  font-size: 11px;
  letter-spacing: .3em;
}

/* 05 — Coupon */
.lad-tradein__spec-list {
  border-top: 1px solid #3a3a3a;
  font-size: 14px;
}
.lad-tradein__spec-list > div {
  display: grid;
  grid-template-columns: 100px minmax(0, 1fr);
  border-bottom: 1px solid #3a3a3a;
}
.lad-tradein__spec-list dt,
.lad-tradein__spec-list dd {
  padding-block: 19px;
}
.lad-tradein__spec-list dt {
  color: #aaa;
}
.lad-tradein__coupon-preview {
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding: 10px;
}
.lad-tradein__coupon-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 28px;
  padding: clamp(20px, 3vw, 32px);
  aspect-ratio: 1.75;
  background: var(--lad-bg);
  color: #111;
  outline: 1px solid var(--lad-bg);
  outline-offset: 8px;
}
.lad-tradein__coupon-card-top,
.lad-tradein__coupon-card-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-size: 10px;
  line-height: 1.8;
  letter-spacing: .12em;
}
.lad-tradein__coupon-card-top > span:first-child {
  font-size: 13px;
  letter-spacing: .24em;
}
.lad-tradein__coupon-value {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid #111;
  font-size: clamp(44px, 5vw, 64px);
  line-height: 1;
  letter-spacing: .06em;
}
.lad-tradein__coupon-value > span {
  font-size: 18px;
}
.lad-tradein__coupon-value > .lad-tradein__coupon-off {
  margin-left: auto;
  font-size: 11px;
}

/* 06 — Flow */
.lad-tradein__flow-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 56px !important;
  border-top: 1px solid #111;
  padding: 0;
  list-style: none;
}
.lad-tradein__flow-list > li {
  display: flex;
  flex-direction: column;
  align-items: start;
  gap: 20px;
  padding: 32px 28px 40px;
  border-bottom: 1px solid var(--lad-line);
}
.lad-tradein__flow-list > li:first-child {
  padding-left: 0;
}
.lad-tradein__flow-list > li:last-child {
  padding-right: 0;
}
.lad-tradein__flow-list > li + li {
  border-left: 1px solid var(--lad-line);
}
.lad-tradein__flow-number {
  font-family: "Jost", sans-serif;
  font-size: 44px;
  line-height: 1;
}
.lad-tradein__flow-list > li > p:last-child {
  color: #444;
  font-size: 13px;
  line-height: 2;
}
.lad-tradein__flow-note {
  margin-top: 24px !important;
}

/* 07 — Items */
.lad-tradein__items-heading {
  align-items: end;
}
.lad-tradein__items-heading > p {
  font-size: 14px;
}
.lad-tradein__item-panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 56px;
}
.lad-tradein__item-panel {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: clamp(24px, 3.5vw, 44px);
  border: 1px solid #111;
}
.lad-tradein__item-panel--muted {
  background: var(--lad-muted-bg);
  border-color: #d6d4ce;
}
.lad-tradein__item-panel h3 {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid #111;
  font-size: 15px;
}
.lad-tradein__item-panel h3 > span {
  font-family: "Jost", sans-serif;
  font-size: 28px;
  letter-spacing: .2em;
}
.lad-tradein__item-panel > p,
.lad-tradein__category-list,
.lad-tradein__excluded-list {
  font-size: 14px;
}
.lad-tradein__category-list,
.lad-tradein__excluded-list {
  padding: 0;
  list-style: none;
}
.lad-tradein__category-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding-block: 15px;
  border-bottom: 1px solid var(--lad-line);
}
.lad-tradein__category-list [lang="en"] {
  color: #666;
  font-size: 11px;
  letter-spacing: .2em;
}
.lad-tradein__excluded-list li {
  padding-block: 15px;
  border-bottom: 1px solid #d6d4ce;
  line-height: 1.9;
}

/* 08 — Stores */
.lad-tradein__store-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 28px;
  padding: 0;
  list-style: none;
  border-top: 1px solid #111;
}
.lad-tradein__store-list li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-block: 24px;
  border-bottom: 1px solid #d6d4ce;
}
.lad-tradein__store-list li > span:first-child {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .1em;
}
.lad-tradein__store-list li > span:last-child {
  font-size: 12px;
  color: #666;
}

/* 09 — FAQ */
.lad-tradein__faq-list {
  border-top: 1px solid #111;
}
.lad-tradein__faq-list details {
  border-bottom: 1px solid var(--lad-line);
}
.lad-tradein__faq-list summary {
  position: relative;
  padding: 24px 36px 24px 0;
  font-size: 15px;
  line-height: 1.9;
  list-style: none;
  cursor: pointer;
}
.lad-tradein__faq-list summary::-webkit-details-marker {
  display: none;
}
.lad-tradein__faq-list summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 22px;
  font-family: "Jost", sans-serif;
  font-size: 22px;
}
.lad-tradein__faq-list details[open] > summary::after {
  content: "−";
}
.lad-tradein__faq-list details > p {
  padding: 0 28px 24px 0;
  font-size: 14px;
  line-height: 2.1;
  color: #444;
}

/* 10 — Apply / Office / Footer */
.lad-tradein__application-section {
  border-top: 1px solid var(--lad-line);
  text-align: center;
}
.lad-tradein__application-section h2 {
  margin-top: 24px;
}
.lad-tradein__application-period {
  margin-top: 28px !important;
  font-size: 13px;
}
.lad-tradein__application-section .lad-tradein__button {
  width: 100%;
  max-width: 480px;
  margin-block: 24px 16px;
}
.lad-tradein__contact {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-top: 28px;
  border-top: 1px solid #111;
  font-size: 14px;
  font-style: normal;
}
.lad-tradein__contact a {
  width: fit-content;
  text-decoration: underline;
  text-underline-offset: 4px;
  overflow-wrap: anywhere;
}
.lad-tradein__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  padding-top: 40px;
  padding-bottom: calc(160px + env(safe-area-inset-bottom, 0px));
  border-top: 1px solid var(--lad-line);
}
.lad-tradein__footer p {
  font-size: 10px;
  color: #777;
  letter-spacing: .2em;
}

/* 11 — 固定CTA / 下端のセーフエリアにも対応 */
.lad-tradein__sticky-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 30;
  padding-bottom: env(safe-area-inset-bottom, 0px);
  background: var(--lad-bg);
  border-top: 1px solid #111;
}
.lad-tradein__sticky-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  padding-block: 16px;
}
.lad-tradein__sticky-inner > p {
  font-size: 14px;
  letter-spacing: .1em;
}
.lad-tradein__sticky-inner .lad-tradein__button {
  width: 360px;
  max-width: 45%;
  flex: none;
  font-size: 16px;
}

/* 12 — レスポンシブ */
@media (max-width: 900px) {
  .lad-tradein__split {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .lad-tradein__coupon-preview {
    width: 100%;
    max-width: 560px;
    margin-inline: auto;
  }
  .lad-tradein__store-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .lad-tradein__item-panels {
    gap: 20px;
  }
  .lad-tradein__sticky-inner > p {
    font-size: 12px;
  }
}

@media (max-width: 600px) {
  .lad-tradein {
    font-size: 14px;
  }
  .lad-tradein__mobile-break {
    display: inline;
  }
  .lad-tradein__logo {
    width: 190px;
  }
  .lad-tradein__hero {
    height: auto;
    /* 写真のないHeroは内容に合わせる。画面高に応じた空白を作らない。 */
    min-height: 0;
    justify-content: flex-start;
  }
  .lad-tradein__hero-brand {
    padding-top: 28px;
  }
  .lad-tradein__hero-content {
    padding-top: 48px;
    padding-bottom: 40px;
  }
  .lad-tradein__hero-title {
    font-size: clamp(48px, 12vw, 72px);
    letter-spacing: .1em;
    white-space: nowrap;
  }
  .lad-tradein__hero-copy {
    font-size: 17px;
  }
  .lad-tradein__hero-description {
    font-size: 12px;
  }
  .lad-tradein__period {
    display: block;
    font-size: 11px;
  }
  .lad-tradein__hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }
  .lad-tradein__hero-actions .lad-tradein__button {
    width: 100%;
    min-height: 56px;
  }
  .lad-tradein__summary-steps li {
    font-size: 12px;
    padding: 20px 10px;
  }
  .lad-tradein__spec-list > div {
    grid-template-columns: 82px minmax(0, 1fr);
  }
  .lad-tradein__spec-list {
    font-size: 13px;
  }
  .lad-tradein__coupon-card {
    gap: 22px;
  }
  .lad-tradein__coupon-card-top,
  .lad-tradein__coupon-card-bottom {
    font-size: 9px;
  }
  .lad-tradein__coupon-card-top > span:first-child {
    font-size: 11px;
    letter-spacing: .1em;
  }
  .lad-tradein__coupon-card-top > span:last-child {
    max-width: 100px;
    text-align: right;
  }
  .lad-tradein__coupon-card-bottom {
    flex-wrap: wrap;
    gap: 8px;
  }
  .lad-tradein__flow-list {
    grid-template-columns: 1fr;
    margin-top: 40px !important;
  }
  .lad-tradein__flow-list > li {
    padding: 32px 0 !important;
  }
  .lad-tradein__flow-list > li + li {
    border-left: 0;
  }
  .lad-tradein__item-panels {
    grid-template-columns: 1fr;
    margin-top: 40px;
  }
  .lad-tradein__store-list {
    grid-template-columns: 1fr;
  }
  .lad-tradein__faq-list summary {
    font-size: 14px;
  }
  .lad-tradein__sticky-inner {
    gap: 16px;
    padding-block: 12px;
  }
  .lad-tradein__sticky-inner > p {
    font-size: 10px;
    line-height: 1.8;
    letter-spacing: .02em;
  }
  .lad-tradein__sticky-inner .lad-tradein__button {
    width: 148px;
    max-width: 48%;
    min-height: 56px;
    gap: 12px;
    padding: 12px;
    font-size: 14px;
  }
  .lad-tradein__footer {
    align-items: start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  .lad-tradein__button {
    transition: none;
  }
}

/* 13 — 印刷 */
@media print {
  .lad-tradein__sticky-cta,
  .lad-tradein__skip-link {
    display: none;
  }
  .lad-tradein__hero {
    min-height: 0;
    height: auto;
    print-color-adjust: exact;
  }
  .lad-tradein__hero-content {
    padding-block: 48px;
  }
  .lad-tradein__section {
    padding-block: 40px;
  }
  .lad-tradein__footer {
    padding-bottom: 40px;
  }
}