:root {
  --paper: #f5f7f2;
  --ink: #15242e;
  --muted: #5c6872;
  --navy: #12324a;
  --blue: #2f6f9f;
  --teal: #2a9d8f;
  --orange: #e76f51;
  --gold: #c99a2e;
  --panel: #ffffff;
  --line: #d9e2dc;
  --soft: #e8f3f0;
  --mist: #eef7ff;
  --shadow: 0 18px 48px rgba(18, 50, 74, 0.16);
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Yu Gothic", "Hiragino Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 64px;
  padding: 12px clamp(18px, 4vw, 56px);
  background: rgba(245, 247, 242, 0.93);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--navy);
  font-weight: 900;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 6px;
  background: var(--navy);
  color: #fff;
  font-size: 0.78rem;
  letter-spacing: 0;
}

.top-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
}

.top-nav a {
  padding: 8px 10px;
  border-radius: 6px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 800;
  text-decoration: none;
}

.top-nav a:hover,
.top-nav a:focus-visible {
  background: var(--soft);
  color: var(--navy);
}

.hero {
  position: relative;
  display: grid;
  min-height: calc(92vh - 64px);
  overflow: hidden;
  isolation: isolate;
}

.hero-media,
.hero-overlay,
.hero-content {
  grid-area: 1 / 1;
}

.hero-media {
  background-image: url("assets/tokyo-apartment-hero.jpg");
  background-position: center;
  background-size: cover;
  transform: scale(1.02);
}

.hero-overlay {
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(18, 50, 74, 0.88), rgba(18, 50, 74, 0.52) 46%, rgba(18, 50, 74, 0.08)),
    linear-gradient(180deg, rgba(18, 50, 74, 0.12), rgba(245, 247, 242, 0.76) 95%);
}

.hero-content {
  z-index: 2;
  align-self: center;
  width: min(760px, calc(100% - 36px));
  margin-left: clamp(18px, 7vw, 88px);
  padding: 64px 0 112px;
  color: #fff;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--orange);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 11ch;
  margin: 0;
  font-size: clamp(3.1rem, 8.2vw, 7.4rem);
  line-height: 0.92;
  letter-spacing: 0;
}

.xp-hero {
  min-height: calc(82vh - 64px);
}

.home-page .hero h1 {
  max-width: 8ch;
}

.hero-copy {
  max-width: 690px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(1rem, 2vw, 1.26rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button,
.shop-link,
.category-jump {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  font-weight: 900;
  text-decoration: none;
}

.button {
  padding: 10px 16px;
  border: 1px solid transparent;
}

.button.primary {
  background: var(--orange);
  color: #fff;
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.6);
  color: #fff;
}

.affiliate-note {
  max-width: 620px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.88rem;
}

.filter-band {
  position: relative;
  z-index: 4;
  margin-top: -56px;
  padding: 0 clamp(18px, 4vw, 56px) 34px;
}

.filter-shell {
  display: grid;
  grid-template-columns: minmax(180px, 0.75fr) minmax(220px, 1.2fr) minmax(170px, 0.7fr) minmax(170px, 0.7fr);
  gap: 12px;
  max-width: 1240px;
  margin: 0 auto;
  padding: 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.filter-summary {
  display: grid;
  align-content: center;
  min-height: 52px;
  padding: 0 12px;
  border-right: 1px solid var(--line);
}

.filter-summary strong {
  color: var(--navy);
  font-size: 1.1rem;
}

.filter-summary span,
label span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

label {
  display: grid;
  gap: 6px;
}

input,
select {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fbfcf9;
  color: var(--ink);
  font: inherit;
  font-size: 0.96rem;
}

input {
  padding: 0 12px;
}

select {
  padding: 0 34px 0 12px;
}

.intro-strip {
  display: grid;
  grid-template-columns: minmax(240px, 0.8fr) minmax(280px, 1fr);
  gap: clamp(24px, 5vw, 80px);
  align-items: end;
  padding: clamp(44px, 7vw, 82px) clamp(18px, 4vw, 56px);
  background: var(--paper);
}

.intro-strip h2,
.category-heading h2,
.section-heading h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(2rem, 4vw, 3.8rem);
  line-height: 1;
  letter-spacing: 0;
}

.intro-strip p,
.category-heading p,
.faq-grid p {
  color: var(--muted);
}

.intro-strip > p {
  margin: 0;
  font-size: 1.06rem;
}

.route-grid,
.guide-section {
  padding: clamp(38px, 6vw, 74px) clamp(18px, 4vw, 56px);
}

.route-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  background: var(--paper);
}

.route-card,
.guide-grid article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 12px 34px rgba(18, 50, 74, 0.1);
}

.route-card {
  display: grid;
  align-content: start;
  gap: 16px;
  min-height: 420px;
  padding: clamp(24px, 4vw, 42px);
}

.route-card h2,
.guide-section h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(2.1rem, 4vw, 4.6rem);
  line-height: 0.96;
}

.route-card p,
.guide-grid p {
  margin: 0;
  color: var(--muted);
}

.route-card ul {
  display: grid;
  gap: 8px;
  margin: 4px 0 8px;
  padding-left: 20px;
  color: var(--ink);
  font-weight: 700;
}

.route-card .button {
  width: fit-content;
}

.route-experience {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(238, 247, 255, 0.88)),
    linear-gradient(135deg, rgba(47, 111, 159, 0.14), rgba(42, 157, 143, 0.12));
}

.route-expat {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(255, 245, 239, 0.9)),
    linear-gradient(135deg, rgba(231, 111, 81, 0.13), rgba(201, 154, 46, 0.13));
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 26px;
}

.guide-grid article {
  padding: 22px;
}

.guide-grid h3 {
  margin: 0 0 8px;
  color: var(--navy);
  font-size: 1.12rem;
}

.board {
  display: grid;
  gap: 0;
}

.category-section {
  padding: clamp(42px, 6vw, 78px) clamp(18px, 4vw, 56px);
  border-top: 1px solid var(--line);
}

.category-section:nth-child(odd) {
  background: #eef5f5;
}

.category-section:nth-child(even) {
  background: #fff9f1;
}

.category-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  max-width: 1240px;
  margin: 0 auto 22px;
}

.category-heading p {
  max-width: 760px;
  margin: 12px 0 0;
}

.category-jump {
  flex: 0 0 auto;
  min-height: 38px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
  color: var(--navy);
  font-size: 0.86rem;
}

.imageboard {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  max-width: 1240px;
  margin: 0 auto;
}

.board-card {
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-width: 0;
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 24px rgba(18, 50, 74, 0.08);
}

.visual-link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.product-visual {
  --tone: #eaf5f3;
  --tone-2: #fff8eb;
  --item: var(--blue);
  --accent: var(--orange);
  position: relative;
  display: block;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--tone) 76%, #fff), var(--tone-2)),
    repeating-linear-gradient(90deg, rgba(18, 50, 74, 0.06) 0 1px, transparent 1px 32px);
}

.product-visual strong {
  position: absolute;
  left: 12px;
  top: 12px;
  z-index: 2;
  max-width: calc(100% - 24px);
  padding: 5px 7px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--navy);
  font-size: 0.72rem;
  line-height: 1.05;
  box-shadow: 0 8px 18px rgba(18, 50, 74, 0.1);
}

.product-visual::before {
  content: "";
  position: absolute;
  inset: 16% 12%;
  border: 1px solid rgba(18, 50, 74, 0.12);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.42);
}

.product-visual::after {
  content: "";
  position: absolute;
  right: 12%;
  bottom: 12%;
  width: 34%;
  height: 9px;
  border-radius: 999px;
  background: rgba(18, 50, 74, 0.16);
  filter: blur(3px);
}

.product-visual span {
  position: absolute;
  left: 50%;
  top: 52%;
  width: 38%;
  height: 48%;
  border-radius: 8px;
  background: linear-gradient(145deg, var(--item), color-mix(in srgb, var(--item) 74%, #000));
  box-shadow: inset 0 8px 0 rgba(255, 255, 255, 0.24), 0 18px 30px rgba(18, 50, 74, 0.18);
  transform: translate(-50%, -50%);
}

.product-visual span::before,
.product-visual span::after {
  content: "";
  position: absolute;
  background: var(--accent);
}

.product-visual span::before {
  left: 18%;
  top: 18%;
  width: 64%;
  height: 12%;
  border-radius: 999px;
  opacity: 0.8;
}

.product-visual span::after {
  left: 28%;
  bottom: 18%;
  width: 44%;
  height: 28%;
  border-radius: 999px 999px 6px 6px;
  opacity: 0.52;
}

.visual-dehumidifier,
.visual-humidifier,
.visual-purifier {
  --tone: #e7f4f8;
  --tone-2: #f5fbff;
  --item: #2f6f9f;
  --accent: #2a9d8f;
}

.visual-absorber,
.visual-bottle,
.visual-thermos,
.visual-water {
  --tone: #edf7ee;
  --tone-2: #fff8e7;
  --item: #2a9d8f;
  --accent: #c99a2e;
}

.visual-futon,
.visual-pillow,
.visual-blanket,
.visual-curtain,
.visual-mat {
  --tone: #f3eff7;
  --tone-2: #fff7f0;
  --item: #6c6ba8;
  --accent: #e76f51;
}

.visual-spray,
.visual-drain,
.visual-trap,
.visual-trash,
.visual-roller,
.visual-vacuum {
  --tone: #f8efe8;
  --tone-2: #fffdf6;
  --item: #e76f51;
  --accent: #12324a;
}

.visual-shelf,
.visual-box,
.visual-bag,
.visual-cart,
.visual-bins,
.visual-label {
  --tone: #edf3f8;
  --tone-2: #fff9e9;
  --item: #12324a;
  --accent: #c99a2e;
}

.visual-rack,
.visual-rice,
.visual-magnet,
.visual-pan,
.visual-power,
.visual-cable,
.visual-laptop {
  --tone: #f0f6ed;
  --tone-2: #fff8ef;
  --item: #526170;
  --accent: #2a9d8f;
}

.visual-backpack,
.visual-light,
.visual-strap,
.visual-umbrella,
.visual-card,
.visual-battery,
.visual-lock,
.visual-mask,
.visual-fan {
  --tone: #edf4fa;
  --tone-2: #fff4ed;
  --item: #2f6f9f;
  --accent: #e76f51;
}

.visual-umbrella span,
.visual-mask span,
.visual-fan span {
  border-radius: 999px 999px 8px 8px;
}

.visual-card span,
.visual-power span,
.visual-battery span,
.visual-label span {
  height: 34%;
  border-radius: 8px;
}

.visual-rack span,
.visual-shelf span,
.visual-cart span {
  width: 54%;
  height: 42%;
  background:
    linear-gradient(var(--item), var(--item)) 0 18% / 100% 5px no-repeat,
    linear-gradient(var(--item), var(--item)) 0 50% / 100% 5px no-repeat,
    linear-gradient(var(--item), var(--item)) 0 82% / 100% 5px no-repeat,
    linear-gradient(145deg, color-mix(in srgb, var(--item) 72%, #fff), var(--item));
}

.board-copy {
  min-width: 0;
  padding: 13px 13px 10px;
}

.board-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}

.board-meta span {
  padding: 4px 7px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 900;
  line-height: 1;
  text-transform: uppercase;
}

.board-copy h3 {
  margin: 0;
  color: var(--navy);
  font-size: 1.06rem;
  line-height: 1.12;
  letter-spacing: 0;
}

.board-copy p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.selected-name {
  display: -webkit-box;
  min-height: 3.6em;
  overflow: hidden;
  color: #324552 !important;
  font-size: 0.82rem !important;
  font-weight: 700;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.shop-link {
  min-height: 40px;
  margin: 0 13px 13px;
  padding: 8px 10px;
  background: var(--navy);
  color: #fff;
  font-size: 0.9rem;
}

.shop-link:hover,
.shop-link:focus-visible,
.button:hover,
.button:focus-visible {
  filter: brightness(1.05);
  transform: translateY(-1px);
}

.faq-section {
  padding: clamp(48px, 7vw, 86px) clamp(18px, 4vw, 56px);
  background: var(--paper);
}

.section-heading {
  max-width: 860px;
  margin: 0 auto 24px;
  text-align: center;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  max-width: 1100px;
  margin: 0 auto;
}

.faq-grid article {
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.faq-grid h3 {
  margin: 0;
  color: var(--navy);
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding: 26px clamp(18px, 4vw, 56px);
  background: var(--navy);
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.86rem;
}

.site-footer p {
  margin: 0;
}

.empty-state {
  margin: 32px auto;
  padding: 24px;
  max-width: 720px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--muted);
  text-align: center;
}

@media (max-width: 1080px) {
  .filter-shell {
    grid-template-columns: 1fr 1fr;
  }

  .filter-summary {
    border-right: 0;
  }

  .imageboard {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .hero {
    min-height: 720px;
  }

  .hero-overlay {
    background:
      linear-gradient(180deg, rgba(18, 50, 74, 0.9), rgba(18, 50, 74, 0.58) 58%, rgba(245, 247, 242, 0.82) 100%),
      linear-gradient(90deg, rgba(18, 50, 74, 0.35), rgba(18, 50, 74, 0.08));
  }

  .hero-content {
    align-self: start;
    margin: 0 auto;
    padding-top: 66px;
  }

  .intro-strip,
  .filter-shell,
  .route-grid,
  .guide-grid,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .category-heading {
    align-items: start;
    flex-direction: column;
  }

  .imageboard {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  .top-nav {
    justify-content: flex-start;
  }

  .hero {
    min-height: 720px;
  }

  .hero h1 {
    max-width: 10ch;
  }

  .hero-copy {
    font-size: 1rem;
  }

  .filter-band {
    margin-top: -42px;
  }

  .imageboard {
    grid-template-columns: 1fr;
  }

  .board-card {
    grid-template-columns: 38% minmax(0, 1fr);
    grid-template-rows: auto auto;
  }

  .visual-link {
    grid-row: 1 / span 2;
  }

  .product-visual {
    height: 100%;
    min-height: 168px;
    aspect-ratio: auto;
  }

  .shop-link {
    margin-top: 0;
  }
}