:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-soft: #f7f8f7;
  --text: #111513;
  --muted: #5e6662;
  --border: #e4e6e4;
  --border-strong: #cfd4d0;
  --green: #1f8f5f;
  --green-soft: #eef8f2;
  --danger: #d33a3a;
  --warning: #9a6a00;
  --shadow: 0 8px 28px rgba(17, 21, 19, 0.06);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  color: var(--text);
  font-family: Inter, "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: -0.02em;
}

body {
  margin: 0;
  background: var(--bg);
}

a {
  color: inherit;
}

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

button {
  cursor: pointer;
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--border-strong);
  backdrop-filter: blur(10px);
}

.site-header__inner {
  min-height: 64px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 10px 24px;
  display: grid;
  grid-template-columns: auto minmax(240px, 1fr) auto;
  gap: 18px;
  align-items: center;
}

.logo {
  text-decoration: none;
  font-weight: 950;
  font-size: 20px;
  letter-spacing: -0.04em;
}

.header-search {
  display: grid;
  grid-template-columns: 1fr auto;
  border: 1px solid var(--border-strong);
  background: #fff;
  min-height: 40px;
}

.header-search input {
  border: 0;
  min-width: 0;
  padding: 0 12px;
  outline: none;
}

.header-search button {
  border: 0;
  border-left: 1px solid var(--border-strong);
  background: var(--surface-soft);
  color: var(--text);
  padding: 0 14px;
  font-weight: 800;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2px;
  white-space: nowrap;
}

.nav a,
.nav-form button {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  border: 1px solid transparent;
  background: transparent;
  padding: 0 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  font-size: 14px;
}

.nav a:hover,
.nav-form button:hover {
  border-color: var(--border-strong);
  background: var(--surface-soft);
}

.nav-login {
  color: var(--green) !important;
}

.nav-user {
  border-left: 1px solid var(--border);
  padding-left: 12px;
  color: var(--green);
  font-weight: 900;
  font-size: 14px;
}

.nav-form {
  margin: 0;
}

.site-main {
  flex: 1;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 28px 24px 48px;
}

.site-footer {
  border-top: 1px solid var(--border-strong);
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  color: var(--muted);
}

.footer-brand {
  font-weight: 950;
  color: var(--text);
}

.site-footer nav {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.site-footer a {
  color: var(--muted);
  font-weight: 700;
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--green);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--green);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero {
  border: 1px solid var(--border-strong);
  border-left: 4px solid var(--green);
  background: #fff;
  padding: 28px;
  margin-bottom: 16px;
}

.hero--compact {
  min-height: 148px;
  display: flex;
  align-items: center;
}

.hero h1,
.page-title h1,
.auth-hero h1 {
  margin: 0;
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.02;
  letter-spacing: -0.06em;
}

.hero p,
.page-title p,
.auth-hero p {
  color: var(--muted);
  line-height: 1.8;
  max-width: 780px;
}

.search-panel {
  border: 1px solid var(--border-strong);
  background: var(--surface);
  margin-bottom: 24px;
}

.search-panel__main {
  display: grid;
  grid-template-columns: 120px 1fr;
  align-items: center;
  border-bottom: 1px solid var(--border);
}

.search-panel__main label {
  padding: 16px;
  font-weight: 900;
  border-right: 1px solid var(--border);
}

.search-panel__main input {
  border: 0;
  outline: none;
  min-height: 56px;
  padding: 0 16px;
  font-size: 18px;
}

.search-panel__filters {
  display: grid;
  grid-template-columns: minmax(160px, 220px) minmax(160px, 220px) auto auto;
  gap: 0;
  align-items: stretch;
}

.search-panel__filters label,
.check {
  border-right: 1px solid var(--border);
  padding: 10px 14px;
  display: grid;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
  font-weight: 800;
}

.search-panel__filters input,
.search-panel__filters select {
  min-height: 34px;
  border: 0;
  outline: none;
  background: transparent;
  color: var(--text);
  font-weight: 700;
}

.check {
  display: flex;
  align-items: center;
  color: var(--text);
}

.check input {
  margin: 0;
  width: auto;
  min-height: auto;
}

.button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--green);
  background: var(--green);
  color: #fff;
  padding: 0 18px;
  font-weight: 900;
  text-decoration: none;
  border-radius: 3px;
  transition: background-color 150ms ease, border-color 150ms ease, color 150ms ease;
}

.button:hover {
  background: #176d49;
  border-color: #176d49;
}

.button--outline {
  background: #fff;
  color: var(--green);
}

.button--outline:hover {
  color: #fff;
}

.button--small {
  min-height: 32px;
  padding: 0 10px;
  font-size: 13px;
}

.section {
  margin-top: 24px;
}

.section-head {
  border-bottom: 1px solid var(--border-strong);
  padding-bottom: 14px;
  margin-bottom: 14px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
}

.section h2,
.section-head h2 {
  margin: 0;
  font-size: 28px;
  letter-spacing: -0.04em;
}

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

.server-row {
  display: grid;
  grid-template-columns: 192px minmax(0, 1fr) auto;
  gap: 0;
  border: 1px solid var(--border-strong);
  background: #fff;
  transition: border-color 150ms ease, background-color 150ms ease;
}

.server-row:hover {
  border-color: var(--green);
}

.server-row__image {
  display: block;
  aspect-ratio: 16 / 9;
  min-height: 108px;
  border-right: 1px solid var(--border);
  overflow: hidden;
  background: var(--surface-soft);
}

.server-row__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.server-row__placeholder,
.detail-image--empty {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  color: var(--muted);
  font-weight: 950;
  letter-spacing: 0.08em;
}

.server-row__main {
  min-width: 0;
  padding: 16px 18px;
  display: grid;
  gap: 8px;
}

.server-row__titleline {
  display: flex;
  gap: 14px;
  justify-content: space-between;
  align-items: start;
}

.server-row h3 {
  margin: 0;
  font-size: 22px;
  line-height: 1.2;
}

.server-row h3 a {
  text-decoration: none;
}

.server-row p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  border: 1px solid var(--border-strong);
  background: #fff;
  color: var(--muted);
  padding: 3px 8px;
  font-size: 12px;
  font-weight: 800;
  border-radius: 2px;
}

.server-row__meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.server-row__meta span {
  border-right: 1px solid var(--border);
  padding-right: 10px;
}

.server-row__meta span:last-child {
  border-right: 0;
}

.host {
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
}

.server-row__action {
  border-left: 1px solid var(--border);
  padding: 16px;
  display: grid;
  place-items: center;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 950;
  white-space: nowrap;
}

.status span {
  width: 8px;
  height: 8px;
  border-radius: 99px;
  background: currentColor;
}

.status--online {
  color: var(--green);
}

.empty,
.success,
.auth-alert {
  border: 1px solid var(--border-strong);
  background: #fff;
  padding: 16px;
  font-weight: 800;
}

.success {
  border-color: var(--green);
  color: var(--green);
  margin-bottom: 16px;
}

.auth-alert {
  border-color: var(--danger);
  color: var(--danger);
  margin-bottom: 18px;
}

.seo-copy {
  max-width: 980px;
  color: var(--muted);
  line-height: 1.9;
}

.seo-copy--bottom {
  border-top: 1px solid var(--border);
  margin-top: 28px;
  padding-top: 18px;
}

/* Detail */
.back-link {
  color: var(--muted);
  text-decoration: none;
  font-weight: 800;
}

.detail-card {
  border: 1px solid var(--border-strong);
  background: #fff;
  margin-top: 14px;
}

.detail-hero {
  display: grid;
  grid-template-columns: minmax(280px, 420px) 1fr;
  border-bottom: 1px solid var(--border-strong);
}

.detail-image-wrap {
  border-right: 1px solid var(--border);
}

.detail-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
  background: var(--surface-soft);
}

.detail-summary {
  padding: 24px;
  display: grid;
  align-content: center;
  gap: 16px;
}

.detail-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

.detail h1 {
  margin: 0;
  font-size: clamp(32px, 5vw, 52px);
  letter-spacing: -0.06em;
}

.detail-head p {
  color: var(--muted);
  line-height: 1.7;
}

.info-block {
  padding: 22px 24px;
  border-bottom: 1px solid var(--border);
}

.info-block:last-child {
  border-bottom: 0;
}

.info-block h2 {
  margin: 0 0 14px;
  font-size: 20px;
}

.info-table {
  border: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.info-table div {
  display: grid;
  grid-template-columns: 120px 1fr;
  border-bottom: 1px solid var(--border);
}

.info-table div:nth-last-child(-n+2) {
  border-bottom: 0;
}

.info-table div:nth-child(odd) {
  border-right: 1px solid var(--border);
}

.info-table b,
.info-table span {
  padding: 12px;
}

.info-table b {
  background: var(--surface-soft);
  border-right: 1px solid var(--border);
}

.copy-host {
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
}

.detail-description {
  white-space: pre-wrap;
  color: var(--muted);
  line-height: 1.9;
}

.detail-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

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

/* Forms */
.form-page,
.auth-page,
.static-page {
  max-width: 980px;
  margin: 0 auto;
}

.form-page--narrow {
  max-width: 720px;
}

.page-title,
.auth-hero {
  border-bottom: 1px solid var(--border-strong);
  padding-bottom: 18px;
  margin-bottom: 18px;
}

.form-card,
.auth-card {
  border: 1px solid var(--border-strong);
  background: #fff;
  border-radius: 3px;
  padding: 22px;
  display: grid;
  gap: 18px;
}

.form-card--sections {
  padding: 0;
  gap: 0;
}

.form-section {
  padding: 22px;
  border-bottom: 1px solid var(--border);
}

.form-section:last-of-type {
  border-bottom: 0;
}

.form-section h2 {
  margin: 0 0 14px;
  font-size: 20px;
}

.form-grid,
.auth-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

label {
  display: grid;
  gap: 8px;
  font-weight: 850;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--border-strong);
  background: #fff;
  color: var(--text);
  min-height: 42px;
  padding: 9px 11px;
  border-radius: 2px;
  outline: none;
}

textarea {
  resize: vertical;
  line-height: 1.7;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 2px rgba(31, 143, 95, 0.12);
}

.error {
  color: var(--danger);
  font-size: 13px;
  font-weight: 800;
}

.help,
.auth-help {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
  font-weight: 600;
}

.form-actions {
  display: flex;
  justify-content: flex-start;
  gap: 12px;
  padding-top: 2px;
}

/* Login */
.auth-stack {
  display: grid;
  gap: 18px;
}

.auth-card--primary {
  border-top: 4px solid var(--green);
}

.auth-card__head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
  border-bottom: 1px solid var(--border);
  padding-bottom: 16px;
}

.auth-card__head h2 {
  margin: 0;
  font-size: 24px;
  letter-spacing: -0.03em;
}

.auth-badge {
  border: 1px solid var(--border-strong);
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 950;
  white-space: nowrap;
  color: var(--muted);
  background: #fff;
}

.auth-notice {
  border-left: 3px solid var(--green);
  background: var(--green-soft);
  padding: 14px 16px;
  display: grid;
  gap: 8px;
}

code {
  border: 1px solid var(--border);
  border-radius: 2px;
  background: #fff;
  padding: 2px 6px;
  width: fit-content;
}

/* Admin / generic tables retain basic usability */
.admin-page {
  max-width: 1180px;
  margin: 0 auto;
}

.admin-nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--border-strong);
  margin: 12px 0 18px;
  padding-bottom: 12px;
}

.admin-nav a {
  border: 1px solid var(--border);
  padding: 8px 10px;
  text-decoration: none;
  font-weight: 800;
}

.admin-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border-strong);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table th,
.admin-table td {
  border-bottom: 1px solid var(--border);
  padding: 10px;
  text-align: left;
  vertical-align: top;
}

.admin-table th {
  background: var(--surface-soft);
}

.notice,
.code-card {
  border: 1px solid var(--border-strong);
  background: #fff;
  padding: 16px;
  margin: 12px 0 20px;
}

.code-card pre {
  margin: 0;
  white-space: pre-wrap;
}

.breadcrumb {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 16px;
  color: var(--muted);
  font-size: 14px;
}

.breadcrumb a {
  color: var(--green);
  text-decoration: none;
  font-weight: 800;
}

.guide-page h2 {
  margin-top: 28px;
}

.guide-page p {
  line-height: 1.9;
}

.guide-cta {
  display: flex;
  gap: 12px;
  margin-top: 28px;
  flex-wrap: wrap;
}

@media (max-width: 920px) {
  .site-header__inner {
    grid-template-columns: 1fr auto;
  }

  .header-search {
    grid-column: 1 / -1;
    order: 3;
  }

  .nav {
    overflow-x: auto;
    justify-content: flex-end;
  }

  .server-row {
    grid-template-columns: 150px minmax(0, 1fr);
  }

  .server-row__action {
    grid-column: 1 / -1;
    border-left: 0;
    border-top: 1px solid var(--border);
    justify-content: start;
    place-items: start;
  }

  .detail-hero {
    grid-template-columns: 1fr;
  }

  .detail-image-wrap {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .info-table {
    grid-template-columns: 1fr;
  }

  .info-table div,
  .info-table div:nth-child(odd) {
    border-right: 0;
  }

  .info-table div:nth-last-child(-n+2) {
    border-bottom: 1px solid var(--border);
  }

  .info-table div:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 700px) {
  .site-header__inner,
  .site-main,
  .site-footer {
    padding-left: 16px;
    padding-right: 16px;
  }

  .site-header__inner {
    grid-template-columns: 1fr;
    gap: 10px;
  }

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

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero,
  .form-card,
  .auth-card {
    padding: 18px;
  }

  .search-panel__main {
    grid-template-columns: 1fr;
  }

  .search-panel__main label {
    border-right: 0;
    border-bottom: 1px solid var(--border);
    padding: 10px 14px;
  }

  .search-panel__filters {
    grid-template-columns: 1fr;
  }

  .search-panel__filters label,
  .check {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

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

  .server-row__image {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .server-row__titleline,
  .detail-head,
  .auth-card__head,
  .section-head {
    display: grid;
  }

  .form-grid,
  .auth-grid {
    grid-template-columns: 1fr;
  }

  .form-section {
    padding: 18px;
  }
}


/* refined-ui */
body{
  text-rendering:optimizeLegibility;
  -webkit-font-smoothing:antialiased;
}

.container,.wrap,.content{
  width:min(1180px,calc(100% - 32px));
  margin-inline:auto;
}

.card,.server-card{
  border:1px solid #d9dede;
  border-radius:2px;
  background:#fff;
  transition:border-color .12s ease,transform .12s ease;
}

.card:hover,.server-card:hover{
  border-color:#aeb8b3;
  transform:translateY(-1px);
}

.server-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(320px,1fr));
  gap:14px;
}

.navbar,.nav{
  border-bottom:1px solid #dfe4e0;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(1.2) blur(10px);
}

.btn{
  min-height:40px;
  font-weight:800;
  letter-spacing:-0.01em;
}

input,textarea,select{
  border-radius:2px;
}

table{
  border-collapse:collapse;
}

td,th{
  border-bottom:1px solid #e2e6e3;
}

@media (max-width:720px){
  .server-grid{
    grid-template-columns:1fr;
  }
}


.markdown-body p {
  margin: 0 0 12px;
}

.markdown-body h2,
.markdown-body h3 {
  margin: 18px 0 8px;
  border-bottom: 1px solid var(--border, #dfe4e0);
  padding-bottom: 6px;
}

.markdown-body ul {
  margin: 0 0 14px 1.3em;
  padding: 0;
}

.markdown-body li {
  margin: 4px 0;
}

.markdown-body code {
  border: 1px solid var(--border, #dfe4e0);
  background: #f7f8f7;
  padding: 1px 5px;
  border-radius: 2px;
}


.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 2000;
  border: 1px solid #1f8f5f;
  background: #fff;
  color: #111513;
  padding: 12px 14px;
  font-weight: 850;
  box-shadow: 0 8px 28px rgba(17,21,19,.12);
}

.toast.error {
  border-color: #c93535;
  color: #c93535;
}

button:disabled,
.button:disabled,
.is-busy {
  opacity: .65;
  cursor: wait;
}

.is-submitting {
  outline: 2px solid rgba(31,143,95,.18);
}

.section-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}