@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@500;700&family=Source+Han+Sans+SC:wght@400;500;700&display=swap');

:root {
  --ink: #0f1c2e;
  --ink-soft: #3a4a5c;
  --paper: #f3efe6;
  --paper-2: #e8e1d4;
  --navy: #16324f;
  --navy-deep: #0b1a2b;
  --accent: #c45c26;
  --accent-soft: #e8a87c;
  --line: rgba(15, 28, 46, .12);
  --ok: #1f6b4a;
  --danger: #b42318;
  --radius: 18px;
  --shadow: 0 24px 60px rgba(11, 26, 43, .18);
  --font-display: "Noto Serif SC", "Songti SC", serif;
  --font-body: "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(196,92,38,.18), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(22,50,79,.16), transparent 50%),
    linear-gradient(180deg, #f7f3ec 0%, #ebe4d7 40%, #f3efe6 100%);
  line-height: 1.65;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }

.wrap {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
}

.cover-banner {
  width: 100%;
  background: #0b1a2b;
  line-height: 0;
}
.cover-banner img {
  width: 100%;
  max-height: 340px;
  object-fit: cover;
  object-position: center top;
}
.hero {
  position: relative;
  padding: 18px 0 16px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(11,26,43,.12), rgba(11,26,43,.55)),
    linear-gradient(135deg, #16324f, #2a4d73 45%, #1b2f45);
  color: #f7f2ea;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 70% 30%, rgba(232,168,124,.25), transparent 35%),
    repeating-linear-gradient(-12deg, rgba(255,255,255,.03) 0 2px, transparent 2px 10px);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 1;
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
  padding-bottom: 8px;
}
.brand {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 4.2vw, 2rem);
  font-weight: 700;
  letter-spacing: .04em;
  line-height: 1.2;
  margin: 0 0 6px;
}
.hero-sub {
  font-size: .92rem;
  opacity: .88;
  margin: 0 0 10px;
  max-width: 36em;
}
.deadline-box {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 12px;
  margin: 4px 0 8px;
  padding: 10px 16px;
  background: #ffe14a;
  color: #d00000;
  border-radius: 10px;
  font-weight: 800;
  font-size: 1.05rem;
  line-height: 1.3;
  box-shadow: 0 8px 20px rgba(0, 0, 0, .2);
}
.deadline-box strong {
  font-size: clamp(1.25rem, 3.4vw, 1.7rem);
  font-variant-numeric: tabular-nums;
  letter-spacing: .03em;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  align-items: center;
  margin-bottom: 0;
  font-size: .88rem;
  opacity: .9;
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid rgba(247,242,234,.28);
  background: rgba(255,255,255,.08);
  backdrop-filter: blur(8px);
}
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 20px;
  border: 0;
  cursor: pointer;
  transition: .2s ease;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 10px 28px rgba(196,92,38,.35);
}
.btn-primary:hover { transform: translateY(-1px); filter: brightness(1.05); }
.btn-ghost {
  background: transparent;
  color: #f7f2ea;
  border: 1px solid rgba(247,242,234,.45);
}
.btn-dark {
  background: var(--navy);
  color: #fff;
}
.btn-block { width: 100%; }

section.block {
  padding: 22px 0 36px;
}
.query-bar {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 16px;
  padding: 18px 18px 16px;
  border-radius: 16px;
  background: linear-gradient(135deg, #16324f, #1f4063);
  color: #f7f2ea;
}
.query-bar .kicker { color: var(--accent-soft); }
.query-bar strong { display: block; font-family: var(--font-display); font-size: 1.35rem; }
.query-bar span { display: block; opacity: .8; font-size: .9rem; }
.query-bar-row { display: flex; gap: 8px; width: min(420px, 100%); }
.query-bar-row input {
  flex: 1;
  min-height: 46px;
  border: 0;
  border-radius: 10px;
  padding: 0 12px;
}
.result-card, .result-empty {
  margin-top: 8px;
  padding: 28px 24px;
  border-radius: 20px;
  background: rgba(255,255,255,.86);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.result-head, .result-badges { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; align-items: flex-start; }
.result-head h2, .result-empty h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
}
.result-head p, .result-empty p { margin: 6px 0 0; color: var(--ink-soft); }
.result-badges span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  background: #f3efe6;
  font-size: .88rem;
}
.result-badges .ok { background: #e8f7ef; color: var(--ok); }
.result-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin: 22px 0;
}
.result-stats div {
  padding: 14px 12px;
  border-radius: 14px;
  background: #f7f3ec;
}
.result-stats em { display: block; font-style: normal; color: var(--ink-soft); font-size: .82rem; }
.result-stats strong { font-family: var(--font-display); font-size: 1.45rem; }
.result-stats small { font-size: .85rem; font-weight: 500; }
.result-stats .yen { color: var(--accent); }
.result-items {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr;
  gap: 12px;
}
.result-items section {
  padding: 18px 16px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: #fff;
}
.result-items section:first-child {
  background: linear-gradient(160deg, #16324f, #1f4063);
  color: #f7f2ea;
  border: 0;
}
.result-items p { margin: 0; letter-spacing: .12em; font-size: .78rem; opacity: .7; }
.result-items h3 { margin: 8px 0; font-family: var(--font-display); font-size: 1.25rem; }
.result-items b { font-weight: 600; }
.result-note { margin-top: 16px; padding: 14px 16px; border-left: 4px solid var(--accent); background: #fff; }
.result-note em { font-style: normal; color: var(--ink-soft); }
.result-note p { margin: 6px 0 0; }
.result-actions { margin-top: 22px; }
.result-actions .btn { min-height: 48px; padding: 0 22px; }
.result-foot { margin: 14px 0 0; color: var(--ink-soft); }
.result-empty { text-align: center; padding: 48px 24px; }
.result-empty .btn { margin-top: 16px; }
@media (max-width: 1100px) {
  .result-items { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 800px) {
  .result-stats, .result-items { grid-template-columns: 1fr; }
}
.entry-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 16px 0 8px;
}
.entry-nav a {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 12px;
  min-height: 88px;
  padding: 14px 14px 14px 12px;
  border-radius: 16px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(11,26,43,.06);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.entry-nav a:hover {
  transform: translateY(-2px);
  border-color: rgba(196, 92, 38, .35);
  box-shadow: 0 14px 30px rgba(11,26,43,.1);
}
.entry-ico {
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
}
.entry-ico svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.entry-card-product .entry-ico { background: rgba(196, 92, 38, .12); color: #c45c26; }
.entry-card-rules .entry-ico { background: rgba(22, 50, 79, .1); color: #16324f; }
.entry-card-faq .entry-ico { background: rgba(184, 122, 18, .14); color: #9a6208; }
.entry-card-factory .entry-ico { background: rgba(31, 107, 74, .12); color: #1f6b4a; }
.entry-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
  gap: 2px;
}
.entry-nav a strong {
  font-family: var(--font-display);
  font-size: 1.02rem;
  line-height: 1.3;
}
.entry-nav a .entry-text > span {
  color: var(--ink-soft);
  font-size: .78rem;
  line-height: 1.35;
}
@media (max-width: 520px) {
  .entry-nav { gap: 8px; }
  .entry-nav a {
    gap: 8px;
    min-height: 72px;
    padding: 10px 8px;
  }
  .entry-ico {
    flex-basis: 32px;
    width: 32px;
    height: 32px;
    border-radius: 10px;
  }
  .entry-ico svg { width: 18px; height: 18px; }
  .entry-nav a strong { font-size: .82rem; }
  .entry-nav a .entry-text > span { font-size: .66rem; }
}
.subhead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 0 8px;
}
.back-link { color: var(--accent); font-size: .92rem; }
.block-head {
  margin-bottom: 24px;
}
.kicker {
  color: var(--accent);
  font-size: .82rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  margin: 0 0 8px;
}
.block-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  margin: 0 0 8px;
  letter-spacing: .03em;
}
.block-head p {
  margin: 0;
  color: var(--ink-soft);
  max-width: 40em;
}

.panel {
  background: rgba(255,255,255,.72);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  overflow: hidden;
}

.gallery {
  position: relative;
  background: #101820;
  min-height: 280px;
}
.gallery-track {
  display: flex;
  transition: transform .45s ease;
}
.gallery-track img {
  width: 100%;
  flex: 0 0 100%;
  height: min(520px, 70vw);
  object-fit: cover;
}
.gallery-empty {
  min-height: 280px;
  display: grid;
  place-items: center;
  color: rgba(255,255,255,.7);
  background:
    linear-gradient(135deg, #1a2c40, #24384f);
  font-family: var(--font-display);
  letter-spacing: .08em;
}
.gallery-nav {
  position: absolute;
  inset: auto 12px 12px auto;
  display: flex;
  gap: 8px;
}
.gallery-nav button {
  width: 40px; height: 40px;
  border: 0;
  border-radius: 50%;
  background: rgba(255,255,255,.9);
  cursor: pointer;
}

.price-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
@media (max-width: 1100px) {
  .price-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 800px) {
  .price-grid { grid-template-columns: 1fr; }
}
.price-card {
  padding: 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
}
.price-card.main {
  background: linear-gradient(160deg, #16324f, #1f4063);
  color: #f7f2ea;
  border: 0;
}
.price-card .tag {
  font-size: .78rem;
  letter-spacing: .12em;
  opacity: .75;
  margin-bottom: 8px;
}
.price-card h3 {
  font-family: var(--font-display);
  margin: 0 0 10px;
  font-size: 1.25rem;
}
.price-card .yen {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: .02em;
}
.price-card .yen small { font-size: .95rem; font-weight: 500; }

.rules {
  white-space: pre-wrap;
  padding: 24px 26px;
  background: #fff;
  border-radius: 16px;
  border: 1px solid var(--line);
  color: var(--ink-soft);
}
.product-photos {
  display: grid;
  gap: 12px;
}
.product-photos img {
  width: 100%;
  border-radius: 16px;
  background: #fff;
  border: 1px solid var(--line);
}
.video-box {
  margin-top: 16px;
  background: #0b1a2b;
  border-radius: 16px;
  overflow: hidden;
}
.video-box video {
  width: 100%;
  max-height: 520px;
  display: block;
  background: #000;
}
.desc-box {
  margin-top: 16px;
  padding: 18px 20px;
  background: rgba(255,255,255,.8);
  border-left: 4px solid var(--accent);
  color: var(--ink-soft);
}

.chart-box img {
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: #fff;
}

.faq-list { display: grid; gap: 10px; }
.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
}
.faq-q {
  width: 100%;
  text-align: left;
  padding: 16px 18px;
  background: transparent;
  border: 0;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-weight: 600;
}
.faq-item.open .faq-q { cursor: default; }
.faq-q:not(button)::after { content: none; }
.faq-q::after { content: "+"; color: var(--accent); font-size: 1.2rem; }
.faq-item.open .faq-q::after { content: "–"; }
.faq-a {
  display: none;
  padding: 0 18px 16px;
  color: var(--ink-soft);
  white-space: pre-wrap;
}
.faq-item.open .faq-a { display: block; }

.file-list { display: grid; gap: 12px; }
.file-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding: 16px 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
}
.file-card strong { display: block; }
.file-ext {
  display: inline-block;
  margin-top: 4px;
  font-size: .75rem;
  letter-spacing: .08em;
  color: var(--accent);
}
.file-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.file-actions .btn { min-height: 40px; border-radius: 10px; }
.factory-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
}
.factory-grid img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
}

.form-panel { padding: 28px 24px 32px; }
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 16px;
}
@media (max-width: 700px) {
  .form-grid { grid-template-columns: 1fr; }
}
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: .92rem; color: var(--ink-soft); }
.unit-strong {
  display: inline-block;
  margin-left: 4px;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--danger);
  letter-spacing: .04em;
  line-height: 1;
}
.field-warn {
  margin: 0;
  font-size: .92rem;
  font-weight: 700;
  color: var(--danger);
}
.field input, .field select, .field textarea {
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  outline: none;
}
.field textarea { min-height: 90px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: rgba(196,92,38,.55);
  box-shadow: 0 0 0 3px rgba(196,92,38,.12);
}
.opt-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.opt-row label.chk {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  cursor: pointer;
}
.total-bar {
  margin-top: 18px;
  padding: 16px 18px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(22,50,79,.08), rgba(196,92,38,.1));
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.total-bar strong {
  font-size: 1.6rem;
  color: var(--accent);
  font-family: var(--font-display);
}
.hint {
  margin-top: 10px;
  color: var(--ink-soft);
  font-size: .9rem;
}
.closed-tip {
  padding: 18px;
  background: #fff4f2;
  color: var(--danger);
  border-radius: 12px;
  border: 1px solid rgba(180,35,24,.2);
  margin-bottom: 14px;
}
.site-foot {
  padding: 28px 0 48px;
  text-align: center;
  color: var(--ink-soft);
  font-size: .9rem;
}
.success-mask {
  position: fixed;
  inset: 0;
  background: rgba(11, 26, 43, .72);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 20px;
}
.success-mask.show { display: flex; }
.success-box {
  width: min(560px, 100%);
  background: #fff;
  border-radius: 20px;
  padding: 36px 28px 28px;
  text-align: center;
  box-shadow: var(--shadow);
}
.success-mark {
  display: inline-block;
  margin-bottom: 16px;
  padding: 6px 14px;
  border-radius: 999px;
  background: #e8f7ef;
  color: var(--ok);
  font-weight: 700;
  letter-spacing: .12em;
}
.success-box p {
  margin: 0 0 24px;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 4.5vw, 2rem);
  line-height: 1.45;
  color: var(--ink);
  font-weight: 700;
}
.success-box .btn { min-width: 160px; min-height: 48px; font-size: 1.05rem; }
.confirm-box h3 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: 1.45rem;
}
.confirm-box { text-align: left; }
.confirm-box .success-mark { display: block; width: fit-content; margin-left: auto; margin-right: auto; }
#confirmList {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  max-height: 46vh;
  overflow: auto;
}
#confirmList li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  font-size: 1rem;
}
#confirmList span { color: var(--ink-soft); flex: none; }
#confirmList strong { text-align: right; font-weight: 700; }
.confirm-actions { display: flex; gap: 10px; justify-content: flex-end; }
.confirm-actions .btn-ghost { background: #fff; color: var(--ink); border: 1px solid var(--line); }
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%) translateY(20px);
  background: var(--navy-deep);
  color: #fff;
  padding: 12px 18px;
  border-radius: 999px;
  opacity: 0;
  pointer-events: none;
  transition: .25s ease;
  z-index: 99;
  max-width: calc(100% - 40px);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }