:root {
  --bg: #fffafc;
  --bg-soft: #fff2f7;
  --surface: rgba(255, 255, 255, 0.9);
  --surface-strong: #ffffff;
  --line: rgba(225, 190, 217, 0.34);
  --text: #4a3a58;
  --text-soft: #786985;
  --primary: #f08bb1;
  --primary-deep: #df5e90;
  --lavender: #a893f5;
  --mint: #8fd9cc;
  --sky: #9ed2ff;
  --yellow: #ffd97f;
  --shadow: 0 20px 50px rgba(162, 118, 154, 0.14);
  --radius-xl: 30px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  font-family: "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(255, 220, 233, 0.92), transparent 28%),
    radial-gradient(circle at top right, rgba(217, 232, 255, 0.8), transparent 24%),
    linear-gradient(180deg, #fffafd 0%, #fffdfd 45%, #fff8fb 100%);
}

body::before,
body::after {
  content: "";
  position: fixed;
  width: 320px;
  height: 320px;
  border-radius: 999px;
  filter: blur(40px);
  opacity: 0.35;
  pointer-events: none;
  z-index: -1;
}

body::before {
  top: -100px;
  left: -90px;
  background: rgba(255, 171, 200, 0.55);
}

body::after {
  right: -80px;
  bottom: 5%;
  background: rgba(167, 223, 255, 0.44);
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

.page-shell {
  position: relative;
  overflow: clip;
}

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

.section {
  padding: 56px 0;
}

.section-soft {
  background: linear-gradient(180deg, rgba(255, 242, 248, 0.72), rgba(255, 255, 255, 0.86));
}

.section-tight {
  padding-top: 8px;
  padding-bottom: 16px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: rgba(255, 251, 253, 0.84);
  border-bottom: 1px solid rgba(225, 190, 217, 0.2);
}

.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.08rem;
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--primary), var(--lavender));
  color: #fff;
  box-shadow: 0 14px 28px rgba(240, 139, 177, 0.28);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--text-soft);
  font-size: 0.95rem;
}

.header-nav a {
  position: relative;
}

.header-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--primary), var(--lavender));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.22s ease;
}

.header-nav a:hover::after,
.header-nav a:focus-visible::after {
  transform: scaleX(1);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--lavender));
  box-shadow: 0 16px 28px rgba(224, 105, 151, 0.24);
}

.button-secondary {
  color: var(--primary-deep);
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(223, 94, 144, 0.18);
}

.button-ghost {
  color: var(--primary-deep);
  background: rgba(255, 255, 255, 0.72);
  border-color: rgba(223, 94, 144, 0.22);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(225, 190, 217, 0.26);
  color: var(--primary-deep);
  font-weight: 800;
  font-size: 0.88rem;
  box-shadow: 0 10px 20px rgba(167, 129, 196, 0.08);
}

.hero {
  padding-top: 34px;
  padding-bottom: 42px;
}

.hero-grid,
.about-grid,
.tool-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(340px, 0.98fr);
  gap: 22px;
  align-items: center;
}

.hero-copy h1 {
  margin: 18px 0 18px;
  font-size: clamp(2.25rem, 5vw, 4.25rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.hero-copy h1 span {
  color: var(--primary-deep);
}

.hero-lead,
.section-heading p,
.about-card p,
.card-note,
.material-card p,
.tool-note-card li,
.related-link-item span,
.disclaimer-card p,
.qa-item p,
.trust-item span {
  color: var(--text-soft);
  line-height: 1.9;
}

.hero-points,
.hero-actions,
.chip-links,
.tool-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-points {
  margin-top: 14px;
}

.hero-points span,
.status-pill,
.chip-link,
.material-badge {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(225, 190, 217, 0.22);
  font-size: 0.9rem;
  font-weight: 700;
}

.hero-actions {
  margin-top: 16px;
}

.hero-visual,
.visual-card,
.trust-item,
.about-card,
.material-card,
.tool-note-card,
.related-link-item,
.disclaimer-card,
.qa-item {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(225, 190, 217, 0.22);
  box-shadow: var(--shadow);
}

.visual-card,
.trust-item,
.about-card,
.tool-note-card,
.related-link-item,
.disclaimer-card,
.qa-item,
.material-card {
  border-radius: var(--radius-xl);
}

.visual-card {
  position: relative;
  padding: 16px;
  background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(255,245,250,0.95));
}

.visual-badge {
  position: absolute;
  top: 18px;
  right: 18px;
  min-height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  background: rgba(74, 58, 88, 0.84);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 700;
}

.visual-profile-card {
  padding: 16px;
}

.profile-image-wrap {
  position: relative;
  min-height: 300px;
  border-radius: 26px;
  overflow: hidden;
  border: 1px solid rgba(223, 94, 144, 0.16);
  background: linear-gradient(135deg, rgba(255, 232, 241, 0.85), rgba(243, 239, 255, 0.94));
}

.profile-image {
  width: 100%;
  height: 100%;
  min-height: 300px;
  object-fit: cover;
  object-position: center top;
}

.trust-strip {
  padding-top: 0;
}

.trust-grid,
.about-cards,
.related-links-grid {
  display: grid;
  gap: 14px;
}

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

.trust-item,
.about-card,
.tool-note-card,
.related-link-item,
.disclaimer-card,
.material-card {
  padding: 18px;
}

.trust-item strong,
.material-card h3,
.about-card h3,
.tool-note-card h3,
.related-link-item strong {
  display: block;
  margin-bottom: 10px;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 18px;
}

.section-heading.center {
  margin-inline: auto;
  text-align: center;
}

.section-heading h2 {
  margin: 12px 0 10px;
  font-size: clamp(1.9rem, 3vw, 3rem);
  line-height: 1.28;
}

.about-cards {
  grid-template-columns: 1fr;
}

.about-card-soft {
  background: linear-gradient(135deg, rgba(255,255,255,0.96), rgba(255,243,249,0.98));
}

.chip-links {
  margin-bottom: 8px;
}

.chip-link {
  color: var(--primary-deep);
}

.card-note {
  margin: 0;
}

.qa-list {
  display: grid;
  gap: 10px;
}

.qa-item {
  padding: 0 18px;
  overflow: hidden;
}

.qa-item summary {
  list-style: none;
  min-height: 62px;
  display: flex;
  align-items: center;
  cursor: pointer;
  position: relative;
  padding-right: 44px;
  font-weight: 800;
}

.qa-item summary::-webkit-details-marker {
  display: none;
}

.qa-item summary::after {
  content: "+";
  position: absolute;
  right: 2px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.6rem;
  color: var(--primary-deep);
}

.qa-item[open] summary::after {
  content: "−";
}

.qa-item p {
  margin: 0 0 16px;
}

.materials-status {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.status-pill-strong {
  color: var(--primary-deep);
}

.materials-grid-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.material-card {
  display: grid;
  gap: 10px;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.material-card:hover,
.related-link-item:hover,
.related-link-item:focus-visible,
.about-card:hover,
.tool-note-card:hover,
.trust-item:hover {
  transform: translateY(-4px);
  border-color: rgba(223, 94, 144, 0.28);
  box-shadow: 0 24px 44px rgba(162, 118, 154, 0.18);
}

.material-figure {
  position: relative;
  min-height: 220px;
  margin: 0;
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.4);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.38);
}

.material-image {
  width: 100%;
  height: 100%;
  min-height: 220px;
  display: block;
  object-fit: contain;
  background: rgba(255, 255, 255, 0.16);
}

.material-figure figcaption {
  display: none;
}

.material-figure.is-missing {
  display: grid;
  place-items: center;
  padding: 20px;
}

.material-figure.is-missing .material-image {
  display: none;
}

.material-figure.is-missing figcaption {
  display: block;
  max-width: 16rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.96);
  line-height: 1.8;
  font-weight: 700;
  text-shadow: 0 1px 12px rgba(45, 35, 61, 0.22);
}

.tone-rain {
  background: linear-gradient(135deg, #80b6ff, #b596ff);
}

.tone-mint {
  background: linear-gradient(135deg, #82d5c7, #9ab8ff);
}

.tone-sky {
  background: linear-gradient(135deg, #91d6ff, #88b5ff);
}

.tone-candy {
  background: linear-gradient(135deg, #ff97be, #b294ff);
}

.tone-tea {
  background: linear-gradient(135deg, #f0be7e, #f59dbc);
}

.tone-ajisai {
  background: linear-gradient(135deg, #8bcdff, #c598ff);
}

.material-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.material-meta code {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(248, 243, 248, 0.92);
  color: var(--text-soft);
  font-size: 0.82rem;
  border: 1px solid rgba(225, 190, 217, 0.2);
}

.material-badge {
  min-height: 32px;
  background: rgba(255, 236, 242, 0.96);
  color: var(--primary-deep);
}

.tool-note-card ul {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.check-list li {
  position: relative;
  padding-left: 28px;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 2px;
  width: 20px;
  height: 20px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: rgba(143, 217, 204, 0.24);
  color: #2c8a7c;
  font-size: 0.82rem;
  font-weight: 900;
}

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

.related-link-item {
  display: grid;
  gap: 8px;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.disclaimer-section {
  padding-top: 4px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%) translateY(12px);
  min-width: min(92vw, 420px);
  padding: 14px 18px;
  border-radius: 16px;
  background: rgba(74, 58, 88, 0.9);
  color: #fff;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.24);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.reveal-on-scroll {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.image-protect-target,
.image-protect-target img,
.profile-image-wrap,
.profile-image-wrap img {
  -webkit-user-drag: none;
  user-select: none;
  -webkit-touch-callout: none;
}

.image-protect-target,
.profile-image-wrap {
  position: relative;
}

.image-protect-target::after,
.profile-image-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background: transparent;
}

.image-protect-target img,
.profile-image-wrap img {
  pointer-events: none;
}

@media (max-width: 1120px) {
  .hero-grid,
  .about-grid,
  .tool-grid,
  .trust-grid,
  .materials-grid-list,
  .related-links-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .section {
    padding: 44px 0;
  }

  .header-inner {
    min-height: 72px;
    flex-wrap: wrap;
    padding: 12px 0;
  }

  .header-nav {
    order: 3;
    width: 100%;
    justify-content: space-between;
    font-size: 0.9rem;
    flex-wrap: wrap;
  }

  .hero {
    padding-top: 24px;
  }

  .hero-actions,
  .chip-links,
  .tool-actions,
  .materials-status {
    flex-direction: column;
    align-items: stretch;
  }

  .button,
  .header-cta {
    width: 100%;
  }
}

@media (max-width: 560px) {
  .container {
    width: min(calc(100% - 22px), var(--container));
  }

  .section {
    padding: 34px 0;
  }

  .visual-card,
  .trust-item,
  .about-card,
  .material-card,
  .tool-note-card,
  .related-link-item,
  .disclaimer-card,
  .qa-item {
    padding-inline: 18px;
  }

  .profile-image-wrap {
    min-height: 300px;
  }

  .qa-item summary {
    min-height: 56px;
  }
}


.operator-contact-card {
  padding: 22px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(255, 245, 250, 0.98), rgba(255, 255, 255, 0.96));
  border: 2px solid rgba(223, 94, 144, 0.26);
  box-shadow: 0 24px 44px rgba(162, 118, 154, 0.16);
  text-align: center;
}

.operator-contact-label {
  margin: 0 0 10px;
  color: var(--primary-deep);
  font-weight: 800;
  font-size: 0.9rem;
}

.operator-contact-card h2 {
  margin: 0 0 12px;
  font-size: clamp(1.5rem, 2.8vw, 2.2rem);
  line-height: 1.45;
}

.operator-contact-card p {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.9;
}

.operator-contact-actions {
  margin-top: 16px;
  display: flex;
  justify-content: center;
}