:root {
  color-scheme: light;
  --pink: #ff4f93;
  --pink-soft: #ffe7f1;
  --pink-strong: #e72d78;
  --ink: #171217;
  --muted: #756b72;
  --line: #efe2e9;
  --surface: #ffffff;
  --bg: #fff7fb;
  --danger: #d9224a;
  font-family: "Hiragino Sans", "Yu Gothic", "Noto Sans JP", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: linear-gradient(180deg, #ffe1ee 0, #fff8fb 220px, #f7f7f8 100%);
  color: var(--ink);
}

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

button,
input,
select,
textarea {
  font: inherit;
}

.phone-shell {
  width: min(100%, 440px);
  min-height: 100vh;
  margin: 0 auto;
  padding: 14px 14px 92px;
  background: var(--bg);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.03), 0 22px 60px rgba(23, 18, 23, 0.08);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  background: rgba(255, 247, 251, 0.92);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: 10px;
  background: var(--ink);
  color: white;
}

.mini-link {
  padding: 8px 10px;
  border-radius: 999px;
  background: white;
  color: var(--pink-strong);
  font-size: 12px;
  font-weight: 700;
}

.safety-strip,
.notice {
  border: 1px solid #ffd0e1;
  border-radius: 16px;
  background: #fff;
  color: #b01851;
  font-size: 12px;
  font-weight: 700;
}

.safety-strip {
  margin: 4px 0 14px;
  padding: 10px 12px;
}

.hero {
  padding: 28px 8px 18px;
}

.eyebrow {
  display: inline-flex;
  margin: 0 0 10px;
  padding: 7px 10px;
  border-radius: 999px;
  background: white;
  color: var(--pink-strong);
  font-size: 12px;
  font-weight: 800;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 10px;
  font-size: 34px;
  line-height: 1.15;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 12px;
  font-size: 19px;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 4px;
  font-size: 18px;
}

.hero-copy {
  margin-bottom: 18px;
  color: #4d424a;
  font-weight: 700;
}

.hero-actions,
.card-actions,
.select-row {
  display: flex;
  gap: 10px;
}

.notice {
  display: inline-flex;
  margin: 16px 0 0;
  padding: 9px 12px;
}

.link-button,
button {
  min-height: 44px;
  border: 0;
  border-radius: 16px;
  cursor: pointer;
  font-weight: 800;
}

.link-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
}

.primary {
  background: var(--pink);
  color: white;
  box-shadow: 0 8px 22px rgba(255, 79, 147, 0.28);
}

.secondary,
.ghost {
  border: 1px solid var(--line);
  background: white;
  color: var(--ink);
}

.danger {
  background: var(--danger);
  color: white;
}

.full {
  width: 100%;
}

.section,
.seo-text,
.page-head,
.form-card,
.info-list article,
.filters,
.empty,
.preview {
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--surface);
  padding: 16px;
}

.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.section-title a {
  color: var(--pink-strong);
  font-size: 13px;
  font-weight: 800;
}

.stack {
  display: grid;
  gap: 12px;
}

.post-card {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
  padding: 14px;
  box-shadow: 0 10px 28px rgba(23, 18, 23, 0.05);
}

.card-head,
.time-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.id-line {
  margin-bottom: 0;
  color: var(--pink-strong);
  font-weight: 800;
  overflow-wrap: anywhere;
}

.meta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 12px 0;
  color: var(--muted);
  font-size: 12px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.chips span,
.chips a,
.warn-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  min-height: 28px;
  padding: 5px 9px;
  border-radius: 999px;
  background: var(--pink-soft);
  color: #a81550;
  font-size: 12px;
  font-weight: 800;
}

.chips.large a {
  min-height: 36px;
  padding: 7px 11px;
}

.chips small {
  color: var(--muted);
}

.warn-chip {
  background: #fff1c7;
  color: #8a5a00;
  white-space: nowrap;
}

.message {
  margin: 12px 0;
  line-height: 1.65;
  overflow-wrap: anywhere;
}

.time-row {
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 12px;
}

.card-actions button {
  flex: 1;
  padding: 0 12px;
}

.empty {
  text-align: center;
}

.empty p,
.page-head p,
.seo-text p,
.info-list p,
.muted {
  color: var(--muted);
  line-height: 1.7;
}

.filters {
  display: grid;
  gap: 10px;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: white;
  padding: 12px 13px;
  color: var(--ink);
}

textarea {
  min-height: 96px;
  resize: vertical;
}

.select-row {
  display: grid;
  grid-template-columns: 1fr;
}

.form-card {
  display: grid;
  gap: 14px;
}

label,
legend {
  color: #31282f;
  font-size: 13px;
  font-weight: 800;
}

label input,
label select,
label textarea {
  margin-top: 7px;
}

fieldset {
  margin: 0;
  border: 0;
  padding: 0;
}

.tag-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 9px;
}

.tag-picker label,
.agree {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: white;
  padding: 7px 10px;
}

.tag-picker input,
.agree input {
  width: auto;
  margin: 0;
  accent-color: var(--pink);
}

.errors {
  color: var(--danger);
  font-size: 13px;
  font-weight: 700;
}

.errors p {
  margin-bottom: 6px;
}

.info-list {
  display: grid;
  gap: 12px;
}

.bottom-nav {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 8;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  width: min(100%, 440px);
  margin: 0 auto;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
}

.bottom-nav a {
  display: grid;
  gap: 3px;
  place-items: center;
  min-height: 64px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
}

.bottom-nav span {
  display: grid;
  width: 26px;
  height: 26px;
  place-items: center;
  border-radius: 10px;
  background: #f5edf2;
  font-size: 15px;
}

.bottom-nav a.active {
  color: var(--pink-strong);
}

.bottom-nav a.active span {
  background: var(--pink);
  color: white;
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 82px;
  left: 18px;
  z-index: 20;
  max-width: 404px;
  margin: 0 auto;
  transform: translateY(18px);
  border-radius: 16px;
  background: var(--ink);
  color: white;
  opacity: 0;
  padding: 13px 15px;
  text-align: center;
  pointer-events: none;
  transition: 0.2s ease;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

@media (min-width: 700px) {
  body {
    padding: 28px 0;
  }

  .phone-shell {
    border-radius: 34px;
    overflow: hidden;
  }

  .bottom-nav {
    border-right: 1px solid var(--line);
    border-left: 1px solid var(--line);
    border-radius: 24px 24px 0 0;
  }
}