/* 日本のセールスレター／広告LP寄り（赤・黒・白・マーカー） */
:root {
  --ink: #111;
  --red: #c4000a;
  --red-btn: #e60012;
  --red-deep: #9e0008;
  --yellow: #fff100;
  --line: #222;
  --bg: #f3f3f3;
  --paper: #fff;
  --muted: #555;
  --max: 680px;
  --font: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", "Yu Gothic", YuGothic, Meiryo, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    repeating-linear-gradient(
      0deg,
      #ececec,
      #ececec 1px,
      #f5f5f5 1px,
      #f5f5f5 28px
    );
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: 0.03em;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: #0645ad;
}

.wn-skip {
  position: absolute;
  left: -9999px;
}
.wn-skip:focus {
  left: 0.5rem;
  top: 0.5rem;
  z-index: 100;
  background: #000;
  color: #fff;
  padding: 0.5rem 0.75rem;
}

.wn-wrap {
  width: min(100% - 1.5rem, 720px);
  margin-inline: auto;
}

/* 広告バー */
.wn-adbar {
  background: #000;
  color: #fff;
  font-size: 12px;
  letter-spacing: 0.08em;
}
.wn-adbar__inner {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0;
}
.wn-adbar__badge {
  display: inline-block;
  border: 1px solid #fff;
  padding: 0 0.4rem;
  font-weight: 700;
}

/* ヘッダー：日本広告サイトの細い黒帯 */
.wn-header {
  background: #fff;
  border-bottom: 3px solid #000;
  position: sticky;
  top: 0;
  z-index: 40;
}
.wn-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  min-height: 56px;
}
.wn-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: #000;
}
.wn-brand__name {
  font-weight: 900;
  font-size: 1.15rem;
  letter-spacing: 0.12em;
}
.wn-brand__sub {
  display: block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--red);
  margin-top: 0.05rem;
}
.wn-btn--header {
  background: var(--red-btn);
  color: #fff !important;
  text-decoration: none;
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.08em;
  padding: 0.55rem 0.9rem;
  border: 2px solid #000;
  box-shadow: 2px 2px 0 #000;
}

/* 本文レター */
.wn-main {
  padding: 0 0 5.5rem;
}
.wn-letter {
  width: min(100% - 0rem, var(--max));
  margin: 0 auto;
  background: var(--paper);
  border-left: 1px solid #ddd;
  border-right: 1px solid #ddd;
  padding: 1.25rem 1.1rem 2.5rem;
}
@media (min-width: 720px) {
  .wn-letter {
    padding: 1.75rem 2rem 3rem;
    border: 1px solid #ccc;
    margin-top: 1rem;
    margin-bottom: 1rem;
    box-shadow: 0 0 0 4px #fff, 0 0 0 5px #bbb;
  }
}

.wn-pr {
  margin: 0 0 1rem;
  text-align: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--red);
  letter-spacing: 0.1em;
  border: 1px dashed var(--red);
  padding: 0.35rem 0.5rem;
  background: #fff8f8;
}

/* キャッチ：日本広告の大見出し */
.wn-catch {
  margin: 0 0 1.1rem;
  text-align: center;
  font-size: clamp(1.3rem, 4.8vw, 1.85rem);
  font-weight: 900;
  line-height: 1.5;
  letter-spacing: 0.05em;
  color: #000;
  padding: 1rem 0.55rem 1.05rem;
  border: 4px solid #000;
  outline: 3px solid var(--red-btn);
  outline-offset: 3px;
  background:
    linear-gradient(180deg, #fffef0 0%, var(--yellow) 100%);
  box-shadow: 5px 5px 0 #000;
}

.wn-pic {
  margin: 1.1rem 0 1.35rem;
  border: 3px solid #000;
  background: #000;
}
.wn-pic img {
  width: 100%;
}

.wn-letter > p {
  margin: 0 0 0.85em;
  font-size: 15.5px;
  font-weight: 500;
}

.wn-letter strong {
  font-weight: 900;
}

/* 赤マーカー強調（日本LP定番） */
.wn-em {
  background: linear-gradient(transparent 60%, var(--yellow) 60%);
  color: var(--red);
  font-weight: 900;
}

/* 見出し帯 */
.wn-h {
  margin: 2rem -0.35rem 1.1rem;
  padding: 0.7rem 0.75rem;
  background: #111;
  color: #fff;
  font-size: clamp(1.05rem, 3.6vw, 1.25rem);
  font-weight: 900;
  line-height: 1.55;
  letter-spacing: 0.05em;
  position: relative;
  border-left: 8px solid var(--red-btn);
}
.wn-h::before {
  content: "■";
  color: var(--yellow);
  margin-right: 0.35em;
  font-size: 0.85em;
}

.wn-list {
  margin: 0.4rem 0 1.2rem;
  padding: 0.85rem 0.85rem 0.85rem 2.1rem;
  background: #fafafa;
  border: 2px solid #000;
  list-style: none;
}
.wn-list li {
  position: relative;
  margin: 0.35rem 0;
  font-weight: 700;
  padding-left: 0.2rem;
}
.wn-list li::before {
  content: "●";
  position: absolute;
  left: -1.15rem;
  color: var(--red);
  font-size: 0.75em;
  top: 0.35em;
}

.wn-quotes {
  margin: 0.5rem 0 1.2rem;
  padding: 0;
  list-style: none;
  border: 3px double #000;
  background: #fffef5;
}
.wn-quotes li {
  margin: 0;
  padding: 0.7rem 0.9rem;
  font-weight: 900;
  color: #000;
  border-bottom: 1px solid #ddd;
}
.wn-quotes li:last-child {
  border-bottom: 0;
}

.wn-offer-name {
  display: inline-block;
  font-size: 1.15em;
  color: var(--red);
  background: var(--yellow);
  padding: 0.05em 0.35em;
  border: 2px solid #000;
  margin: 0 0.15em;
}

.wn-cta-box {
  margin: 1.5rem 0 1rem;
  padding: 1.1rem 0.85rem 1rem;
  text-align: center;
  background: #fff;
  border: 4px solid var(--red-btn);
  box-shadow: inset 0 0 0 2px #fff, inset 0 0 0 4px #000;
}
.wn-btn {
  display: inline-block;
  width: min(100%, 420px);
  background: linear-gradient(180deg, #ff4d5a 0%, var(--red-btn) 42%, var(--red-deep) 100%);
  color: #fff !important;
  text-decoration: none;
  font-weight: 900;
  font-size: 1.25rem;
  letter-spacing: 0.12em;
  padding: 1rem 1.25rem;
  border: 3px solid #000;
  box-shadow: 0 4px 0 #000;
  position: relative;
}
.wn-btn::after {
  content: "≫";
  margin-left: 0.35em;
}
.wn-btn:active {
  transform: translateY(2px);
  box-shadow: 0 2px 0 #000;
}
.wn-cta-url {
  margin: 0.75rem 0 0;
  font-size: 12px;
  word-break: break-all;
}
.wn-note {
  margin: 1rem 0 0;
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.7;
}

/* フッター */
.wn-footer {
  background: #111;
  color: #ddd;
  padding: 1.75rem 0 1.4rem;
  font-size: 13px;
  line-height: 1.75;
}
.wn-footer a {
  color: #fff;
}
.wn-footer__brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 1.1rem;
}
.wn-footer__name {
  margin: 0;
  color: #fff;
  font-weight: 900;
  letter-spacing: 0.08em;
}
.wn-footer__tag {
  margin: 0.15rem 0 0;
  font-size: 11px;
  color: #ffd24d;
}
.wn-footer__grid {
  display: grid;
  gap: 1rem;
  margin-bottom: 1rem;
}
@media (min-width: 700px) {
  .wn-footer__grid {
    grid-template-columns: 1fr 1.3fr 1fr;
  }
}
.wn-footer h2 {
  margin: 0 0 0.35rem;
  font-size: 11px;
  color: #ffd24d;
  letter-spacing: 0.14em;
}
.wn-footer address {
  font-style: normal;
}
.wn-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1rem;
  padding-top: 0.85rem;
  border-top: 1px solid #333;
  margin-bottom: 0.85rem;
}
.wn-footer__note,
.wn-footer__copy {
  margin: 0 0 0.65rem;
  font-size: 11.5px;
  color: #aaa;
}
.wn-footer__copy {
  margin-bottom: 0;
}

/* 固定CTA（日本LP定番） */
.wn-fix {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 45;
  background: rgba(0, 0, 0, 0.92);
  padding: 0.55rem 0.75rem;
  border-top: 3px solid var(--red-btn);
}
.wn-fix__inner {
  width: min(100%, 680px);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}
.wn-fix__label {
  display: none;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
}
@media (min-width: 640px) {
  .wn-fix__label {
    display: block;
  }
}
.wn-fix .wn-btn {
  width: auto;
  min-width: 220px;
  font-size: 1rem;
  padding: 0.7rem 1.1rem;
  box-shadow: 0 3px 0 #000;
}

/* Cookie */
.wn-cookie {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 60;
  background: #1a1a1a;
  color: #fff;
  padding: 0.85rem 0;
  border-top: 2px solid #444;
}
.wn-cookie__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
}
.wn-cookie p {
  margin: 0;
  flex: 1 1 220px;
  font-size: 12.5px;
  line-height: 1.6;
}
.wn-cookie a {
  color: #ffd24d;
}
.wn-cookie__actions {
  display: flex;
  gap: 0.45rem;
}
.wn-btn--ghost {
  background: transparent;
  color: #fff !important;
  border: 1px solid #777;
  padding: 0.55rem 0.85rem;
  font-weight: 700;
  font-size: 13px;
  text-decoration: none;
  cursor: pointer;
}
.wn-cookie .wn-btn {
  width: auto;
  font-size: 13px;
  padding: 0.55rem 0.95rem;
  box-shadow: none;
}
.wn-cookie .wn-btn::after {
  content: none;
}

body.has-fix {
  padding-bottom: 4.5rem;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}