/*!
 * アンテナ表示スタイル
 * 紙（白カード）＋キャンバス（薄いグレー）に、ネイビーのナビとオレンジのアクセント。
 * livedoor Blog のテンプレートと、この共有サーバー上の公開ページで共用する。
 */

:root {
  color-scheme: light;
  --ink: #152a3c;
  --ink-weak: #5b7183;
  --navy: #123247;
  --navy-dark: #0d2534;
  --accent: #f36f45;
  --accent-weak: #fdf0eb;
  --canvas: #f3f6f8;
  --paper: #ffffff;
  --border: #dbe3e8;
  --border-strong: #c3d0d9;
  --gold: #f1c40f;
  --silver: #95a5a6;
  --bronze: #e67e22;
  --shadow: 0 1px 2px rgba(18, 50, 71, .06), 0 2px 8px rgba(18, 50, 71, .05);
  --radius: 3px;
}

.antenna-root,
.antenna-root * {
  box-sizing: border-box;
}

.antenna-root {
  margin: 0 auto;
  max-width: min(1180px, 100%);
  padding: 0 12px 48px;
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Noto Sans JP", Meiryo, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  background: var(--canvas);
}

/* ---------------------------------------------------------------- masthead */

.antenna-masthead {
  position: sticky;
  top: 0;
  z-index: 20;
  margin: 0 -12px;
  padding: 10px 12px;
  background: var(--paper);
  border-bottom: 1px solid var(--border);
}

.antenna-masthead-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 auto;
  max-width: 1180px;
}

.antenna-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
}

.antenna-brand-tile {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--navy), var(--accent));
  color: #fff;
  font-size: 15px;
  font-weight: 900;
}

.antenna-brand-name {
  font-size: 17px;
  font-weight: 900;
  letter-spacing: .02em;
}

.antenna-brand-copy {
  color: var(--ink-weak);
  font-size: 11px;
}

.antenna-masthead-actions {
  margin-left: auto;
  display: flex;
  gap: 8px;
}

.antenna-masthead-actions a {
  padding: 6px 10px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  color: var(--ink-weak);
  font-size: 11px;
  font-weight: 700;
  text-decoration: none;
  background: var(--paper);
}

/* -------------------------------------------------------------------- nav */

#gnav-container {
  margin: 0 -12px 12px;
}

#gnav {
  background: var(--navy);
}

#gnav.gnav-fixed {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 25;
}

#gnav-parent,
#gnav-child {
  display: flex;
  overflow-x: auto;
  margin: 0 auto;
  padding: 0;
  max-width: 1180px;
  list-style: none;
  -webkit-overflow-scrolling: touch;
}

#gnav-parent li,
#gnav-child li {
  flex: 0 0 auto;
}

#gnav-parent a,
#gnav-child a {
  display: block;
  padding: 11px 14px;
  color: rgba(255, 255, 255, .82);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

#gnav-parent li.active a,
#gnav-parent a:hover,
#gnav-child li.active a,
#gnav-child a:hover {
  color: #fff;
  box-shadow: inset 0 -3px 0 var(--accent);
}

#gnav-child {
  background: var(--navy-dark);
}

#gnav-child a {
  padding: 8px 12px;
  font-size: 12px;
  font-weight: 400;
}

/* ------------------------------------------------------------------ tabs */

#tabs-container {
  position: relative;
  margin: 0 0 12px;
}

#tabs-container.tabs-fixed #tabs {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 15;
  margin: 0 auto;
  max-width: 1180px;
}

#tabs {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

#tabs-header {
  display: flex;
}

#tabs-header a {
  flex: 1 1 0;
  display: block;
  padding: 13px 0;
  color: var(--ink-weak);
  font-size: 13px;
  font-weight: 700;
  text-align: center;
  text-decoration: none;
}

#tabs-header a.active {
  color: var(--ink);
}

#tabs-border {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  width: 0;
  background: var(--accent);
  transition: left .2s ease, width .2s ease;
}

/* --------------------------------------------------------------- entries */

#entries-contents > section {
  display: none;
}

#entries-contents > section.active {
  display: block;
}

.entries,
.site-block {
  margin: 0 0 12px;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.entries h2,
.site-block h2 {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 11px 14px;
  background: #f7fafb;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  font-weight: 900;
}

.site-block .site-rank {
  padding: 2px 6px;
  border-radius: 2px;
  background: var(--navy);
  color: #fff;
  font-size: 10px;
  font-weight: 900;
}

.site-block .site-name {
  color: var(--ink);
  text-decoration: none;
}

.entries ul,
.site-block ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

a.p {
  position: relative;
  display: block;
  padding: 12px 14px;
  border-bottom: 1px solid #eef2f4;
  color: var(--ink);
  line-height: 1.45;
  text-decoration: none;
  word-break: break-all;
}

a.p:last-child,
li:last-child a.p {
  border-bottom: 0;
}

a.p:hover {
  background: var(--accent-weak);
}

a.p b {
  font-weight: 500;
}

a.p.bracket b {
  margin-left: -.4em;
}

a.p:visited b {
  color: var(--ink-weak);
}

a.p .site,
a.p .date {
  color: var(--ink-weak);
  font-size: 11px;
  font-weight: 400;
}

a.p .site {
  margin-left: 7px;
}

a.p .site::before {
  content: '（';
}

a.p .site::after {
  content: '）';
}

a.p .date {
  margin-left: 7px;
}

a.p.p-rank {
  padding-left: 40px;
}

a.p .rank {
  position: absolute;
  top: 13px;
  left: 14px;
  display: grid;
  place-items: center;
  width: 17px;
  height: 17px;
  border-radius: 2px;
  background: var(--ink-weak);
  color: #fff;
  font-size: 10px;
  font-weight: 900;
}

a.p .rank.rank1 {
  background: var(--gold);
}

a.p .rank.rank2 {
  background: var(--silver);
}

a.p .rank.rank3 {
  background: var(--bronze);
}

a.p .meter {
  position: absolute;
  top: 0;
  left: 0;
  height: 3px;
  background: rgba(243, 111, 69, .35);
}

/* --------------------------------------------------------------- states */

.entries-loading,
.entries-message {
  padding: 22px 14px;
  color: var(--ink-weak);
  font-size: 13px;
  text-align: center;
}

.entries-loading::after {
  content: '…';
}

.entries-error .entries-message a {
  color: var(--accent);
  font-weight: 700;
}

#site-footer {
  margin: 0 0 16px;
  text-align: center;
}

.load-more,
.load-more-btn {
  display: inline-block;
  padding: 11px 22px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}

.load-more:hover,
.load-more-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.load-retry-message {
  padding: 14px;
  color: var(--ink-weak);
  font-size: 13px;
  text-align: center;
}

/* --------------------------------------------------------------- digest */

.entries-digest .digest-lead {
  margin: 0;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--ink-weak);
  font-size: 12px;
}

.digest-footer {
  padding: 14px;
  border-top: 1px solid var(--border);
  background: #f7fafb;
  color: var(--ink-weak);
  font-size: 12px;
}

.digest-footer a {
  color: var(--navy);
}

.digest-footer .digest-note {
  margin: 8px 0 0;
  font-size: 11px;
}

/* ------------------------------------------------- smartphone category nav */

.sp-nav {
  margin: 0 -12px 12px;
  background: var(--paper);
  border-bottom: 1px solid var(--border);
}

.sp-grid {
  display: flex;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
  list-style: none;
}

.sp-grid li {
  flex: 0 0 20%;
  border-top: 1px solid #eef2f4;
  border-right: 1px solid #eef2f4;
}

.sp-grid li:nth-child(5n) {
  border-right: 0;
}

.sp-grid a {
  display: grid;
  place-items: center;
  height: 3em;
  padding: 0 2px;
  overflow: hidden;
  color: var(--ink);
  /* 5列に短い表記を1行で収める。狭い端末では自動で縮む。 */
  font-size: min(12px, 3.4vw);
  font-weight: 700;
  white-space: nowrap;
  text-align: center;
  text-decoration: none;
}

.sp-grid li:last-child a {
  color: var(--accent);
}

/* ---------------------------------------------------------------- forms */

.antenna-form {
  padding: 14px;
}

.antenna-form label {
  display: inline-block;
  margin-bottom: 4px;
  color: var(--ink-weak);
  font-size: 12px;
  font-weight: 700;
}

.antenna-form input,
.antenna-form textarea,
.antenna-form select {
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
  font-size: 14px;
  font-family: inherit;
}

.antenna-form button {
  cursor: pointer;
}

.antenna-heading {
  margin: 14px 0 10px;
  font-size: 16px;
  font-weight: 900;
}

/* -------------------------------------------------------------- pagetop */

#pagetop-btn {
  position: fixed;
  right: 14px;
  bottom: 20px;
  z-index: 30;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  font-size: 0;
  text-decoration: none;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease;
}

#pagetop-btn::before {
  content: '▲';
  font-size: 12px;
}

#pagetop-btn.is-show {
  opacity: .92;
  pointer-events: auto;
}

/* -------------------------------------------------------------- desktop */

@media screen and (min-width: 1100px) {
  .antenna-columns {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 16px;
    align-items: start;
  }

  #sub.sub-sticky {
    position: sticky;
    top: 66px;
    align-self: start;
  }

  #tabs-header a {
    font-size: 14px;
  }
}

/* 狭い画面ではブランド説明を隠し、見出しの折り返しを防ぐ。 */
@media screen and (max-width: 700px) {
  .antenna-brand-copy {
    display: none;
  }
}

@media screen and (max-width: 480px) {
  .antenna-root {
    padding: 0 8px 40px;
    font-size: 14px;
  }

  .antenna-masthead-actions a {
    padding: 6px 8px;
    font-size: 10px;
  }
}