:root {
  font-family: system-ui, "Noto Sans JP", sans-serif;
  color: #183d39;
  background: #f3f7f5;
  font-synthesis: none;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
}
header {
  padding: 24px 6%;
  display: flex;
  align-items: center;
  gap: 18px;
  border-bottom: 1px solid #d9e5df;
  background: white;
}
.brand {
  font-weight: 800;
  letter-spacing: 0.13em;
}
.badge {
  font-size: 12px;
  background: #e9f2e9;
  border-radius: 6px;
  padding: 6px 10px;
}
main {
  max-width: 1060px;
  margin: 60px auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
}
.intro {
  padding: 26px 0;
}
h1 {
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.5;
  letter-spacing: -0.03em;
}
.eyebrow {
  font-size: 14px;
  font-weight: 650;
  color: #417a67;
}
.intro > p:last-child,
.muted,
footer {
  color: #61766e;
  font-size: 14px;
  line-height: 1.8;
}
.card {
  background: white;
  padding: 30px;
  border: 1px solid #dce7e0;
  border-radius: 16px;
  box-shadow: 0 12px 35px #173d3908;
}
h2 {
  margin: 0 0 12px;
  font-size: 22px;
}
label {
  display: block;
  margin: 20px 0;
  font-size: 14px;
  font-weight: 600;
}
input,
select {
  display: block;
  width: 100%;
  margin-top: 9px;
  padding: 12px;
  border: 1px solid #aebfb5;
  border-radius: 8px;
  font: inherit;
  color: inherit;
  background: white;
}
button {
  border: 0;
  border-radius: 8px;
  background: #276c55;
  color: white;
  font: inherit;
  font-weight: 600;
  padding: 12px 20px;
  cursor: pointer;
}
form button {
  width: 100%;
  margin-top: 5px;
}
button:disabled {
  opacity: 0.6;
}
.secondary {
  font-size: 12px;
  background: #edf4ef;
  color: #276c55;
  padding: 8px 12px;
}
.toolbar {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}
article {
  padding: 16px 0;
  border-top: 1px solid #e6ede8;
}
article p {
  font-size: 13px;
  color: #62786e;
  margin-bottom: 0;
}
.notice {
  background: #f2f6f3;
  padding: 14px;
  border-radius: 8px;
  font-size: 13px;
  line-height: 1.8;
}
#message {
  color: #ae3c31;
  grid-column: 1/-1;
  margin: 0;
}
footer {
  grid-column: 1/-1;
  border-top: 1px solid #d9e5df;
  padding-top: 20px;
}
[hidden] {
  display: none !important;
}
:focus-visible {
  outline: 3px solid #8cb69e;
  outline-offset: 3px;
}
.mail-panel {
  grid-column: 1/-1;
  scroll-margin-top: 20px;
}
.fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 24px;
}
.fields .wide {
  grid-column: 1/-1;
}
.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}
.mail-panel form button {
  width: auto;
}
.mail-panel details {
  border-top: 1px solid #d9e5df;
  padding: 18px 0;
}
.mail-panel summary {
  cursor: pointer;
  font-weight: 650;
}
.mail-panel pre {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font:
    14px/1.9 system-ui,
    sans-serif;
}
.mail-panel p {
  overflow-wrap: anywhere;
}
#mail-status {
  margin: 20px 0;
  color: #276c55;
}
#endpoints article button {
  margin-top: 12px;
}
@media (max-width: 720px) {
  .fields {
    grid-template-columns: 1fr;
  }
  .actions {
    flex-direction: column;
  }
  main {
    grid-template-columns: 1fr;
    margin-top: 16px;
    gap: 18px;
  }
  .intro {
    padding: 0;
  }
  h1 {
    margin: 12px 0;
  }
  .card {
    padding: 24px;
  }
  header {
    padding: 18px 24px;
  }
}
#inbox-panel .check {
  display: flex;
  align-items: center;
  gap: 10px;
  overflow-wrap: anywhere;
}
#inbox-panel .check input {
  width: auto;
  margin: 0;
}
#inbox-panel {
  min-width: 0;
}
#inbox-panel summary {
  overflow-wrap: anywhere;
}
#filter-settings {
  margin-top: 28px;
}
#endpoints article button + button {
  margin-left: 10px;
}
#inbox-status {
  color: #276c55;
  margin-top: 20px;
}

#line-panel {
  grid-column: 1 / -1;
  margin-top: 24px;
}
#line-panel .panel-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
#line-panel input {
  width: 100%;
  min-width: 0;
}
#line-panel label {
  margin-top: 16px;
}
#line-panel details {
  border-bottom: 1px solid #dce7e2;
  padding-bottom: 20px;
}
#line-panel li {
  margin: 10px 0;
}
#line-messages article {
  border-bottom: 1px solid #dce7e2;
  padding: 18px 0;
  overflow-wrap: anywhere;
}
.line-body {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.rule-condition {
  display: grid;
  grid-template-columns: minmax(130px, 1fr) minmax(130px, 1fr) minmax(
      160px,
      2fr
    ) auto;
  gap: 8px;
  align-items: center;
  margin: 12px 0;
}
.rule-condition > * {
  min-width: 0;
  margin: 0;
}
.rule-subdomains {
  grid-column: 1 / 4;
  grid-row: 2;
}
.rule-condition > button {
  grid-column: 4;
  grid-row: 1;
}
.rule-subdomains[hidden] {
  display: none;
}
#rules-list article,
#filter-preview {
  overflow-wrap: anywhere;
}
@media (max-width: 720px) {
  .rule-condition {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
  .rule-condition > input {
    grid-column: 1 / -1;
  }
  .rule-subdomains {
    grid-column: 1;
    grid-row: 3;
  }
  .rule-condition > button {
    grid-column: 2;
    grid-row: 3;
  }
}