/* RS Creative Studio — Sponsorship & PR LP */
:root {
  --ink: #090c10;
  --ink-2: #0f141a;
  --ink-3: #161d25;
  --line-d: rgba(255, 255, 255, 0.12);
  --paper: #f3f0ea;
  --paper-2: #fbfaf7;
  --line-l: rgba(9, 12, 16, 0.14);
  --blue: #25aee3;
  --blue-deep: #0b86bd;
  --blue-ink: #0a6e9e;
  --tx-d: #eef1f4;
  --tx-d2: #b4bcc6;
  --tx-d3: #8a949e;
  --tx-l: #12161b;
  --tx-l2: #444c56;
  --tx-l3: #5c646e;
  --danger: #b42318;
  --serif-en: "Bodoni Moda", Didot, "Bodoni 72", "Times New Roman", serif;
  --sans-en: "Jost", "Avenir Next", "Helvetica Neue", Arial, sans-serif;
  --mincho: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", YuMincho, serif;
  --gothic: "Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  --gutter: clamp(20px, 5vw, 72px);
  --maxw: 1240px;
  --ease: cubic-bezier(0.2, 0.7, 0.1, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: 72px; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--tx-d);
  font-family: var(--gothic);
  font-size: 15px;
  line-height: 1.95;
  letter-spacing: 0.03em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
strong { font-weight: 700; }
::selection { background: var(--blue); color: var(--ink); }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }

.sp { display: none; }
@media (max-width: 767px) {
  .sp { display: inline; }
  .pc { display: none; }
}

.skip {
  position: absolute; left: 16px; top: -60px; z-index: 100;
  background: #fff; color: var(--ink); padding: 10px 16px; text-decoration: none; font-size: 14px;
}
.skip:focus { top: 16px; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); }
.sec { position: relative; padding: clamp(96px, 12vw, 168px) 0; }
.on-light { background: var(--paper); color: var(--tx-l); }

/* ---------- Type ---------- */
.label {
  display: flex; align-items: center; gap: 14px;
  margin: 0 0 28px;
  font-family: var(--sans-en); font-size: 12px; font-weight: 500;
  letter-spacing: 0.34em; text-transform: uppercase; line-height: 1;
  color: var(--blue);
}
.label::before { content: ""; width: 40px; height: 1px; background: currentColor; }
.on-light .label { color: var(--blue-ink); }

.h2 {
  margin: 0 0 32px;
  font-family: var(--mincho); font-weight: 600;
  font-size: clamp(26px, 3.3vw, 44px); line-height: 1.55; letter-spacing: 0.06em;
  font-feature-settings: "palt";
}
.lead {
  margin: 0; max-width: 40em;
  font-size: clamp(15px, 1.2vw, 16.5px); line-height: 2.1;
  color: var(--tx-d2);
}
.lead strong { color: var(--tx-d); font-weight: 700; box-shadow: inset 0 -0.42em 0 rgba(37, 174, 227, 0.28); }
.on-light .lead { color: var(--tx-l2); }

.hero-title, .h2, .issue-list blockquote, .issue-answer, .ret h3, .asset h3, .case-body h3, .audience li {
  word-break: keep-all; overflow-wrap: anywhere;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 14px;
  min-height: 58px; padding: 0 30px;
  border: 1px solid transparent; border-radius: 2px;
  font-family: var(--gothic); font-size: 14px; font-weight: 500; letter-spacing: 0.1em; line-height: 1.4;
  text-decoration: none; cursor: pointer;
  transition: background-color 0.35s var(--ease), color 0.35s var(--ease), border-color 0.35s var(--ease);
}
.btn small {
  font-family: var(--sans-en); font-size: 10px; letter-spacing: 0.2em;
  padding: 2px 6px; border: 1px solid currentColor; opacity: 0.75;
}
.btn .arrow { position: relative; width: 22px; height: 1px; background: currentColor; transition: width 0.35s var(--ease); }
.btn .arrow::after {
  content: ""; position: absolute; right: 0; top: -3px;
  width: 7px; height: 7px; border-top: 1px solid currentColor; border-right: 1px solid currentColor;
  transform: rotate(45deg); transform-origin: center;
}
.btn:hover .arrow { width: 30px; }
.btn-primary { background: var(--blue); color: var(--ink); }
.btn-primary:hover { background: #55c3ee; }
.btn-ghost { border-color: rgba(255, 255, 255, 0.55); color: #fff; background: rgba(9, 12, 16, 0.28); backdrop-filter: blur(6px); }
.btn-ghost:hover { background: #fff; color: var(--ink); border-color: #fff; }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.hd {
  position: fixed; inset: 0 0 auto; z-index: 50;
  display: flex; align-items: center; gap: 40px;
  height: 80px; padding: 0 var(--gutter);
  border-bottom: 1px solid transparent;
  transition: background-color 0.4s var(--ease), height 0.4s var(--ease), border-color 0.4s var(--ease);
}
.hd.is-solid {
  height: 64px;
  background: rgba(9, 12, 16, 0.84);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  backdrop-filter: saturate(140%) blur(14px);
  border-color: var(--line-d);
}
.hd-logo, .ft-logo {
  display: inline-flex; align-items: baseline; gap: 8px;
  margin-right: auto;
  font-family: var(--sans-en); font-weight: 500; font-size: 12px;
  letter-spacing: 0.34em; text-transform: uppercase; text-decoration: none; white-space: nowrap;
  color: #fff;
}
.hd-logo b, .ft-logo b {
  font-family: var(--serif-en); font-style: italic; font-weight: 600;
  font-size: 22px; letter-spacing: 0.02em; color: var(--blue);
}
.hd-nav { display: flex; gap: 32px; }
.hd-nav a {
  font-family: var(--sans-en); font-size: 12px; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--tx-d2); text-decoration: none; transition: color 0.3s;
}
.hd-nav a:hover { color: #fff; }
.hd-cta {
  display: inline-flex; align-items: center; min-height: 40px; padding: 0 20px;
  border: 1px solid rgba(255, 255, 255, 0.6); border-radius: 2px;
  font-size: 13px; font-weight: 500; letter-spacing: 0.12em; text-decoration: none; color: #fff;
  transition: background-color 0.3s, color 0.3s, border-color 0.3s;
}
.hd-cta:hover, .hd.is-solid .hd-cta { background: var(--blue); border-color: var(--blue); color: var(--ink); }
@media (max-width: 900px) {
  .hd-nav { display: none; }
}
@media (max-width: 767px) {
  .hd { height: 64px; gap: 16px; }
  .hd-logo { font-size: 10px; letter-spacing: 0.28em; }
  .hd-logo b { font-size: 19px; }
  .hd-cta { min-height: 36px; padding: 0 16px; font-size: 12px; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100vh; min-height: 100svh;
  display: flex; flex-direction: column; justify-content: flex-end;
  overflow: hidden; background: var(--ink);
}
.hero-visual { position: absolute; inset: 0; }
.hero-visual img {
  width: 100%; height: 100%; object-fit: cover; object-position: 60% 50%;
  transform: scale(1.07);
  animation: hero-zoom 14s var(--ease) 0.1s forwards;
}
@keyframes hero-zoom { to { transform: scale(1); } }
.hero-shade {
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(9, 12, 16, 0.9) 0%, rgba(9, 12, 16, 0.7) 32%, rgba(9, 12, 16, 0.18) 60%, rgba(9, 12, 16, 0) 100%),
    linear-gradient(0deg, rgba(9, 12, 16, 0.9) 0%, rgba(9, 12, 16, 0) 40%),
    linear-gradient(180deg, rgba(9, 12, 16, 0.6) 0%, rgba(9, 12, 16, 0) 20%);
}
.hero-meta {
  position: absolute; right: var(--gutter); bottom: 32px; z-index: 2;
  display: flex; gap: 28px; margin: 0;
  font-family: var(--sans-en); font-size: 11px; letter-spacing: 0.18em; line-height: 1.4;
  color: rgba(255, 255, 255, 0.62);
}
.hero-body {
  position: relative; z-index: 2;
  width: 100%; max-width: calc(var(--maxw) + var(--gutter) * 2);
  margin: 0 auto;
  padding: 140px var(--gutter) clamp(110px, 15vh, 160px);
}
.kicker {
  margin: 0 0 30px;
  font-family: var(--sans-en); font-size: 12px; font-weight: 500;
  letter-spacing: 0.34em; text-transform: uppercase; color: var(--blue);
}
.hero-title {
  margin: 0;
  font-family: var(--mincho); font-weight: 600; letter-spacing: 0.06em; line-height: 1.3;
  font-feature-settings: "palt";
}
.hero-title .l1 { display: block; font-size: clamp(36px, 5.4vw, 76px); text-shadow: 0 2px 28px rgba(9, 12, 16, 0.45); }
.hero-title .l2 {
  display: flex; align-items: baseline; gap: 0.4em; flex-wrap: wrap;
  margin-top: 0.45em; font-size: clamp(22px, 2.6vw, 36px); color: #fff;
}
.hero-title em {
  font-family: var(--serif-en); font-style: italic; font-weight: 500;
  font-size: 1.35em; letter-spacing: 0.01em; color: var(--blue);
}
.hero-lead {
  margin: 30px 0 44px; max-width: 40em;
  font-size: clamp(14px, 1.15vw, 16px); line-height: 2; color: rgba(238, 241, 244, 0.86);
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; }

.scroll-cue {
  position: absolute; left: 50%; bottom: 0; z-index: 2;
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  transform: translateX(-50%);
  font-family: var(--sans-en); font-size: 10px; letter-spacing: 0.32em; text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7); text-decoration: none;
}
.scroll-cue::after {
  content: ""; width: 1px; height: 56px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0));
  animation: cue 2.4s var(--ease) infinite;
  transform-origin: top;
}
@keyframes cue {
  0% { transform: scaleY(0); opacity: 1; }
  60% { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(1); opacity: 0; }
}

@media (max-width: 767px) {
  .hero { min-height: 0; display: block; }
  .hero-visual { position: relative; inset: auto; aspect-ratio: 3 / 4; max-height: 82svh; overflow: hidden; }
  .hero-visual img { object-position: 50% 62%; }
  .hero-shade {
    background:
      linear-gradient(180deg, rgba(9, 12, 16, 0.55) 0%, rgba(9, 12, 16, 0) 22%),
      linear-gradient(0deg, var(--ink) 0%, rgba(9, 12, 16, 0.6) 22%, rgba(9, 12, 16, 0) 48%);
  }
  .hero-meta {
    left: auto; right: var(--gutter); top: 76px; bottom: auto;
    font-size: 9px; letter-spacing: 0.14em; color: rgba(255, 255, 255, 0.8);
    text-shadow: 0 1px 6px rgba(0, 0, 0, 0.55);
  }
  .hero-car { display: none; }
  .hero-body { margin-top: -96px; padding: 0 var(--gutter) 64px; }
  .kicker { font-size: 10px; letter-spacing: 0.26em; margin-bottom: 18px; }
  .hero-title .l1 { font-size: min(36px, 9.2vw); }
  .hero-title .l2 { font-size: min(22px, 5.8vw); }
  .hero-lead { margin: 22px 0 30px; }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; }
  .scroll-cue { display: none; }
}

@media (max-width: 399px) {
  .hero-cta .btn, .form-submit { padding: 0 16px; font-size: 13.5px; letter-spacing: 0.04em; }
  .hero-cta .arrow { display: none; }
}

/* ---------- Issue ---------- */
.issue-title {
  margin: 0; font-family: var(--gothic); font-weight: 500;
  font-size: 15px; letter-spacing: 0.12em; color: var(--tx-l3);
}
.issue-list {
  list-style: none; margin: 40px 0 0; padding: 0;
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(16px, 2.6vw, 32px);
}
.issue-list li {
  position: relative;
  padding: clamp(48px, 5.4vw, 64px) clamp(28px, 3.4vw, 48px) clamp(40px, 4.4vw, 56px);
  background: var(--paper-2);
  border: 1px solid var(--line-l);
}
.issue-list li::before {
  content: ""; position: absolute; left: -1px; top: -1px;
  width: 56px; height: 2px; background: var(--blue-deep);
}
.issue-list li::after {
  content: attr(data-no); position: absolute; right: clamp(22px, 3vw, 40px); top: 22px;
  font-family: var(--serif-en); font-style: italic; font-size: 22px; line-height: 1; color: var(--blue-deep);
}
.issue-list blockquote {
  margin: 0; text-indent: -0.5em;
  font-family: var(--mincho); font-weight: 600;
  font-size: clamp(19px, 1.65vw, 23px); line-height: 1.85; letter-spacing: 0.04em;
  font-feature-settings: "palt";
}
.issue-answer {
  position: relative; margin: clamp(56px, 7vw, 88px) 0 0; padding-top: 72px;
  text-align: center;
  font-family: var(--mincho); font-weight: 600;
  font-size: clamp(23px, 2.9vw, 38px); line-height: 1.6; letter-spacing: 0.06em;
  font-feature-settings: "palt";
}
.issue-answer::before {
  content: ""; position: absolute; left: 50%; top: 0;
  width: 1px; height: 48px; background: var(--blue-deep);
}
.issue-answer span { color: var(--blue-ink); }
@media (max-width: 767px) {
  .issue-list { grid-template-columns: 1fr; }
}

/* ---------- Value ---------- */
.value { overflow: hidden; }
.value-photo { position: absolute; top: 0; right: 0; bottom: 0; width: 44%; }
.value-photo img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 55%; }
.value-photo::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, var(--ink) 0%, rgba(9, 12, 16, 0.55) 26%, rgba(9, 12, 16, 0.1) 60%, rgba(9, 12, 16, 0.25) 100%);
}
.value-body { position: relative; z-index: 1; max-width: 680px; }
.hybrid {
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
  margin: 40px 0 0;
}
.hybrid-en {
  font-family: var(--sans-en); font-size: 11px; font-weight: 500;
  letter-spacing: 0.32em; text-transform: uppercase; color: var(--tx-d3);
  padding-right: 18px; border-right: 1px solid var(--line-d);
}
.hybrid-x { font-family: var(--serif-en); font-size: 28px; letter-spacing: 0.04em; color: #fff; line-height: 1; }
.hybrid-x i { font-family: var(--sans-en); font-style: normal; font-size: 24px; color: var(--blue); margin: 0 0.2em; }
.returns { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 28px; }
.ret {
  padding: 28px 28px 30px;
  background: linear-gradient(180deg, rgba(22, 29, 37, 0.92), rgba(15, 20, 26, 0.92));
  border: 1px solid var(--line-d); border-top: 2px solid var(--blue);
}
.ret-no {
  display: flex; align-items: baseline; gap: 12px; margin: 0 0 10px;
  font-family: var(--serif-en); font-style: italic; font-size: 34px; line-height: 1; color: var(--blue);
}
.ret-no span {
  font-family: var(--sans-en); font-style: normal; font-size: 11px; font-weight: 500;
  letter-spacing: 0.3em; color: var(--tx-d3);
}
.ret h3 {
  margin: 0 0 12px;
  font-family: var(--mincho); font-weight: 600; font-size: 19px; line-height: 1.6; letter-spacing: 0.04em;
  font-feature-settings: "palt";
}
.ret p { margin: 0; font-size: 14px; line-height: 1.95; color: var(--tx-d2); }
@media (max-width: 1023px) {
  .value { padding-top: 0; }
  .value-photo { position: relative; width: 100%; height: auto; aspect-ratio: 16 / 9; margin-bottom: 56px; }
  .value-photo::after { background: linear-gradient(0deg, var(--ink) 0%, rgba(9, 12, 16, 0) 45%); }
  .value-body { max-width: none; }
}
@media (max-width: 767px) {
  .returns { grid-template-columns: 1fr; }
}

/* ---------- Media ---------- */
.media-grid {
  display: grid; grid-template-columns: 5fr 7fr; gap: clamp(36px, 5vw, 88px);
  margin-top: clamp(56px, 6vw, 80px); align-items: start;
}
.mini {
  display: flex; align-items: baseline; gap: 14px; margin: 0 0 22px;
  font-family: var(--sans-en); font-size: 12px; font-weight: 500;
  letter-spacing: 0.32em; text-transform: uppercase; color: var(--tx-l);
}
.mini span { font-family: var(--gothic); font-size: 12px; font-weight: 400; letter-spacing: 0.08em; text-transform: none; color: var(--tx-l3); }
.audience ul { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--tx-l); }
.audience li {
  padding: 24px 0; border-bottom: 1px solid var(--line-l);
  font-family: var(--mincho); font-weight: 600; font-size: 18px; line-height: 1.6; letter-spacing: 0.04em;
}
.audience .en {
  display: block; margin-bottom: 6px;
  font-family: var(--sans-en); font-size: 11px; font-weight: 500;
  letter-spacing: 0.3em; text-transform: uppercase; color: var(--blue-ink);
}
.reach { background: var(--paper-2); border: 1px solid var(--line-l); padding: clamp(28px, 3.4vw, 44px); }
.reach-total {
  display: flex; align-items: baseline; flex-wrap: wrap; gap: 6px 10px;
  margin: 0 0 28px; padding-bottom: 28px; border-bottom: 1px solid var(--line-l);
}
.reach-num {
  font-family: var(--serif-en); font-weight: 500; font-variation-settings: "opsz" 28; font-size: clamp(64px, 7.4vw, 104px);
  line-height: 0.9; letter-spacing: -0.01em; color: var(--tx-l);
  font-variant-numeric: lining-nums tabular-nums;
}
.reach-unit { font-family: var(--mincho); font-weight: 600; font-size: 24px; }
.reach-cap { flex-basis: 100%; font-size: 13px; letter-spacing: 0.12em; color: var(--tx-l3); }
.bars { list-style: none; margin: 0; padding: 0; display: grid; gap: 26px; }
.bar-top { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.pf { font-weight: 500; font-size: 15px; letter-spacing: 0.04em; }
.pf small { font-size: 12px; font-weight: 400; color: var(--tx-l3); }
.val { font-size: 13px; color: var(--tx-l2); white-space: nowrap; }
.val b {
  font-family: var(--serif-en); font-weight: 500; font-variation-settings: "opsz" 20; font-size: 26px; color: var(--tx-l);
  margin: 0 3px; font-variant-numeric: lining-nums tabular-nums;
}
.bar { position: relative; height: 8px; margin: 8px 0 8px; background: #e6e0d5; }
.bar i {
  position: absolute; left: 0; top: 0; bottom: 0;
  width: calc(var(--v) * 100%); min-width: 6px;
  background: var(--blue-deep); border-radius: 0 4px 4px 0;
  transform-origin: left; transition: transform 1.4s var(--ease);
}
.js .bars:not(.is-in) .bar i { transform: scaleX(0); }
.bars li:nth-child(2) .bar i { transition-delay: 0.12s; }
.bars li:nth-child(3) .bar i { transition-delay: 0.24s; }
.bars li:nth-child(4) .bar i { transition-delay: 0.36s; }
.bar-foot {
  display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap;
  font-size: 12.5px; line-height: 1.7; color: var(--tx-l3);
}
.bar-foot a {
  font-family: var(--sans-en); font-size: 12px; letter-spacing: 0.06em; color: var(--blue-ink);
  text-decoration: none; border-bottom: 1px solid rgba(10, 110, 158, 0.35);
}
.bar-foot a:hover { border-bottom-color: currentColor; }
.bar-foot .links { display: inline-flex; gap: 14px; }
@media (max-width: 479px) {
  .bar-foot { flex-direction: column; gap: 2px; }
}
@media (max-width: 1023px) {
  .media-grid { grid-template-columns: 1fr; }
}

/* ---------- Menu ---------- */
.menu { background: var(--ink); }
.assets { display: grid; gap: clamp(72px, 9vw, 128px); margin-top: clamp(56px, 6vw, 88px); }
.asset {
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  align-items: center; gap: clamp(32px, 5.5vw, 96px);
  width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter);
}
.asset:nth-child(even) .asset-photo { order: 2; }
.asset-photo { position: relative; margin: 0; aspect-ratio: 6 / 5; overflow: hidden; background: var(--ink-3); }
.asset-photo img {
  width: 100%; height: 100%; object-fit: cover; object-position: var(--pos, 50% 50%);
  transition: transform 1.4s var(--ease);
}
.asset:hover .asset-photo img { transform: scale(1.035); }
.asset-photo::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}
.asset-no { display: flex; align-items: baseline; gap: 18px; margin: 0 0 18px; }
.asset-no .n {
  font-family: var(--serif-en); font-style: italic; font-weight: 500;
  font-size: clamp(52px, 5.4vw, 76px); line-height: 0.9; color: var(--blue);
}
.asset-no .en {
  font-family: var(--sans-en); font-size: 12px; font-weight: 500;
  letter-spacing: 0.3em; text-transform: uppercase; color: var(--tx-d3);
}
.asset h3 {
  margin: 0 0 20px;
  font-family: var(--mincho); font-weight: 600;
  font-size: clamp(23px, 2.2vw, 30px); line-height: 1.55; letter-spacing: 0.05em;
  font-feature-settings: "palt";
}
.asset h3 small {
  display: block; margin-top: 4px;
  font-size: 0.55em; letter-spacing: 0.16em; color: var(--tx-d2);
}
.asset h3 small::before { content: "— "; color: var(--blue); }
.asset-body > p:not(.asset-no):not(.asset-meta) { margin: 0; color: var(--tx-d2); }
.asset-meta {
  margin: 28px 0 0; padding-top: 18px; border-top: 1px solid var(--line-d);
  font-size: 13px; color: var(--tx-d2);
}
.asset-meta span {
  display: inline-block; min-width: 92px;
  font-family: var(--sans-en); font-size: 11px; font-weight: 500;
  letter-spacing: 0.28em; text-transform: uppercase; color: var(--tx-d3);
}
.asset-meta a, .asset-notes a { color: var(--tx-d); text-decoration: none; border-bottom: 1px solid rgba(37, 174, 227, 0.5); }
.asset-meta a:hover, .asset-notes a:hover { color: var(--blue); border-bottom-color: var(--blue); }
.asset-notes ul { list-style: none; margin: 12px 0 0; padding: 0; display: grid; gap: 10px; }
.asset-notes li { position: relative; padding-left: 20px; font-size: 13.5px; line-height: 1.8; }
.asset-notes li::before { content: ""; position: absolute; left: 0; top: 0.9em; width: 10px; height: 1px; background: var(--blue); }
@media (max-width: 899px) {
  .asset { grid-template-columns: 1fr; gap: 28px; }
  .asset:nth-child(even) .asset-photo { order: 0; }
  .asset-photo { aspect-ratio: 4 / 3; }
}

/* ---------- Case ---------- */
.case-card {
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  margin-top: clamp(40px, 5vw, 64px);
  background: var(--paper-2); border: 1px solid var(--line-l);
}
.case-photo { margin: 0; position: relative; min-height: 340px; }
.case-photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 55%; }
.case-body { padding: clamp(28px, 4.4vw, 60px); align-self: center; }
.case-kicker {
  margin: 0 0 16px;
  font-family: var(--sans-en); font-size: 11px; font-weight: 500;
  letter-spacing: 0.28em; text-transform: uppercase; color: var(--blue-ink);
}
.case-body h3 {
  margin: 0 0 18px;
  font-family: var(--mincho); font-weight: 600;
  font-size: clamp(20px, 1.95vw, 27px); line-height: 1.65; letter-spacing: 0.05em;
  font-feature-settings: "palt";
}
.case-body > p:not(.case-kicker) { margin: 0; color: var(--tx-l2); }
.case-steps {
  grid-column: 1 / -1;
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line-l);
}
.case-steps li {
  position: relative;
  padding: clamp(24px, 2.6vw, 36px) clamp(20px, 2.2vw, 32px);
  font-size: 13.5px; line-height: 1.85; color: var(--tx-l2);
}
.case-steps li + li { border-left: 1px solid var(--line-l); }
.case-steps li:not(.goal)::after {
  content: ""; position: absolute; right: -6px; top: 50%; z-index: 1;
  width: 11px; height: 11px; background: var(--paper-2);
  border-top: 1px solid var(--blue-deep); border-right: 1px solid var(--blue-deep);
  transform: translateY(-50%) rotate(45deg);
}
.case-steps .st {
  display: block; margin-bottom: 10px;
  font-family: var(--sans-en); font-size: 11px; font-weight: 500;
  letter-spacing: 0.24em; text-transform: uppercase; color: var(--tx-l3);
}
.case-steps b {
  display: block; margin-bottom: 6px;
  font-family: var(--mincho); font-weight: 600; font-size: 18px; letter-spacing: 0.06em; color: var(--tx-l);
}
.case-steps .goal { background: rgba(37, 174, 227, 0.1); }
.case-steps .goal .st { color: var(--blue-ink); }
.case-note {
  grid-column: 1 / -1; margin: 0;
  padding: 16px clamp(20px, 2.2vw, 32px);
  border-top: 1px solid var(--line-l);
  font-size: 12px; line-height: 1.8; color: var(--tx-l3);
}
@media (max-width: 1023px) {
  .case-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .case-steps li:nth-child(3) { border-left: 0; }
  .case-steps li:nth-child(n + 3) { border-top: 1px solid var(--line-l); }
  .case-steps li:nth-child(2)::after { display: none; }
}
@media (max-width: 767px) {
  .case-card { grid-template-columns: 1fr; }
  .case-photo { min-height: 0; aspect-ratio: 16 / 9; }
  .case-steps { grid-template-columns: 1fr; }
  .case-steps li + li { border-left: 0; border-top: 1px solid var(--line-l); }
  .case-steps li:not(.goal)::after {
    display: block; right: auto; left: clamp(20px, 2.2vw, 32px); top: auto; bottom: -6px;
    transform: rotate(135deg);
  }
}

/* ---------- Contact ---------- */
.contact {
  background:
    radial-gradient(80% 60% at 0% 0%, rgba(37, 174, 227, 0.12), rgba(37, 174, 227, 0) 60%),
    var(--ink);
}
.contact-grid {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(40px, 6vw, 104px); align-items: start;
}
.company { margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--line-d); }
.company-name { margin: 0 0 18px; font-family: var(--mincho); font-weight: 600; font-size: 19px; letter-spacing: 0.06em; }
.company dl { margin: 0; display: grid; gap: 10px; }
.company dl div { display: grid; grid-template-columns: 124px 1fr; gap: 12px; font-size: 14px; }
.company dt { color: var(--tx-d3); letter-spacing: 0.08em; }
.company dd { margin: 0; overflow-wrap: anywhere; }
.company dd a { color: var(--tx-d); text-decoration: none; border-bottom: 1px solid rgba(37, 174, 227, 0.5); }
.company dd a:hover { color: var(--blue); border-bottom-color: var(--blue); }
.dl-link {
  display: inline-flex; align-items: center; gap: 12px; margin-top: 32px;
  font-size: 14px; font-weight: 500; letter-spacing: 0.08em; color: var(--blue); text-decoration: none;
}
.dl-link small { font-family: var(--sans-en); font-size: 10px; letter-spacing: 0.2em; padding: 2px 6px; border: 1px solid currentColor; }
.dl-link:hover { color: #fff; }

.form-card { background: var(--paper); color: var(--tx-l); padding: clamp(28px, 4vw, 52px); border-radius: 2px; }
.form-title {
  margin: 0 0 28px; padding-bottom: 20px; border-bottom: 1px solid var(--tx-l);
  font-family: var(--mincho); font-weight: 600; font-size: 21px; letter-spacing: 0.06em;
}
.field { margin-bottom: 22px; }
.field label { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; font-size: 14px; font-weight: 500; letter-spacing: 0.06em; }
.req {
  font-size: 10.5px; font-weight: 500; letter-spacing: 0.1em; line-height: 1;
  padding: 3px 6px; color: var(--blue-ink); border: 1px solid rgba(10, 110, 158, 0.45);
}
.field input, .field textarea {
  width: 100%; padding: 14px 16px;
  font: inherit; font-size: 16px; letter-spacing: 0.02em; line-height: 1.6; color: var(--tx-l);
  background: #fff; border: 1px solid #cfc8bb; border-radius: 2px;
  transition: border-color 0.25s, box-shadow 0.25s;
  -webkit-appearance: none; appearance: none;
}
.field textarea { resize: vertical; min-height: 120px; }
.field input::placeholder, .field textarea::placeholder { color: #9a9fa6; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--blue-deep); box-shadow: 0 0 0 3px rgba(11, 134, 189, 0.18); }
.field [aria-invalid="true"] { border-color: var(--danger); }
.field-error { margin: 6px 0 0; font-size: 12.5px; color: var(--danger); }
.form-error { margin: 0 0 16px; padding: 12px 14px; font-size: 13px; color: var(--danger); background: rgba(180, 35, 24, 0.07); border: 1px solid rgba(180, 35, 24, 0.3); }
.form-submit { margin-top: 8px; }
.form-submit[disabled] { opacity: 0.6; cursor: progress; }
.form-note { margin: 16px 0 0; font-size: 12px; line-height: 1.8; color: var(--tx-l3); text-align: center; }
.form-note a { color: var(--blue-ink); }
.botcheck { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form-success { text-align: center; padding: 40px 8px; }
.form-success:focus { outline: none; }
.form-success-en { margin: 0 0 10px; font-family: var(--serif-en); font-style: italic; font-size: 32px; color: var(--blue-deep); }
.form-success h3 { margin: 0 0 14px; font-family: var(--mincho); font-weight: 600; font-size: 22px; letter-spacing: 0.06em; }
.form-success p { margin: 0; font-size: 14px; color: var(--tx-l2); }
@media (max-width: 899px) {
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 479px) {
  .company dl div { grid-template-columns: 1fr; gap: 0; }
}

/* ---------- Footer ---------- */
.ft { background: #05070a; padding: 64px 0 40px; border-top: 1px solid var(--line-d); }
.ft-inner { display: grid; gap: 28px; }
.ft-logo { margin: 0; }
.ft-sns { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px 28px; }
.ft-sns a {
  font-family: var(--sans-en); font-size: 12px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--tx-d2); text-decoration: none; transition: color 0.3s;
}
.ft-sns a:hover { color: var(--blue); }
.ft-bottom {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px 24px;
  padding-top: 24px; border-top: 1px solid var(--line-d);
}
.ft-legal { display: flex; flex-wrap: wrap; gap: 8px 24px; }
.ft-legal a { font-size: 12px; color: var(--tx-d3); text-decoration: none; }
.ft-legal a:hover { color: #fff; }
.ft-copy, .ft-note { margin: 0; font-size: 11.5px; letter-spacing: 0.06em; color: var(--tx-d3); }

/* ---------- Motion ---------- */
.js [data-reveal] {
  opacity: 0; transform: translateY(28px);
  transition: opacity 1s var(--ease), transform 1.2s var(--ease);
}
.js [data-reveal].is-in { opacity: 1; transform: none; }
.js .hero-body > * { opacity: 0; transform: translateY(18px); animation: rise 1.2s var(--ease) forwards; }
.js .hero-body > :nth-child(1) { animation-delay: 0.25s; }
.js .hero-body > :nth-child(2) { animation-delay: 0.4s; }
.js .hero-body > :nth-child(3) { animation-delay: 0.6s; }
.js .hero-body > :nth-child(4) { animation-delay: 0.75s; }
@keyframes rise { to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-delay: 0s !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; transition-delay: 0s !important; }
  .hero-visual img { transform: none; }
}
