/* ============================================================
   信濃の水脈（みお）共有デザインテーマ「墨と雪代」
   - 墨色モノクロームの基調。色を持つのは「水」（雪代の青）だけ
   - 朱（--aka）は防災・警告の文脈でのみ使用する
   - データ・計器表示は IBM Plex Mono の等幅数字で組む
   ============================================================ */

:root {
  --sumi-0: #0a0a0c;
  --sumi-1: #131316;
  --sumi-2: #1b1b1f;
  --washi: #e9e5da;
  --washi-dim: #9b968a;
  --mizu: #4fc3f7;
  --mizu-soft: #bfe8ff;
  --mizu-deep: #0ea5e9;
  --aka: #d23b2e;
  --aka-soft: #f0857a;
  --hairline: rgba(233, 229, 218, 0.16);
  --hairline-strong: rgba(233, 229, 218, 0.32);
  --frame-inset: 14px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Zen Kaku Gothic New", sans-serif;
  color: var(--washi);
  background: var(--sumi-0);
}

.font-serif-ja {
  font-family: "Shippori Mincho", serif;
}

.mono {
  font-family: "IBM Plex Mono", monospace;
  font-variant-numeric: tabular-nums;
}

/* ---- 和紙の粒（grain）。<div class="grain"> を body 直下に置く ---- */
.grain {
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
}

/* ---- 軸装フレームと四隅のトンボ ---- */
.frame {
  position: fixed;
  inset: var(--frame-inset);
  z-index: 3;
  pointer-events: none;
  border: 1px solid var(--hairline);
}

.tick {
  position: fixed;
  width: 17px;
  height: 17px;
  z-index: 4;
  pointer-events: none;
}

.tick::before,
.tick::after {
  content: "";
  position: absolute;
  background: var(--hairline-strong);
}

.tick::before { left: 8px; top: 0; width: 1px; height: 17px; }
.tick::after { left: 0; top: 8px; width: 17px; height: 1px; }
.tick.tl { left: 6px; top: 6px; }
.tick.tr { right: 6px; top: 6px; }
.tick.bl { left: 6px; bottom: 6px; }
.tick.br { right: 6px; bottom: 6px; }

/* ---- 銘（英字ブランド行）と計器読み出し ---- */
.brand-en {
  margin: 0;
  font-size: 0.66rem;
  letter-spacing: 0.34em;
  color: var(--washi-dim);
}

.readout {
  display: flex;
  gap: 18px;
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  color: var(--washi-dim);
  white-space: nowrap;
}

.readout b {
  font-weight: 500;
  color: var(--mizu-soft);
  margin-left: 6px;
}

/* ---- 小見出し（罫線つき） ---- */
.kicker {
  margin: 0 0 14px;
  font-size: 0.64rem;
  letter-spacing: 0.3em;
  color: var(--washi-dim);
  display: flex;
  align-items: center;
  gap: 10px;
}

.kicker::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--hairline);
}

/* ---- フォーム部品：下線のみの select ---- */
.field label {
  display: block;
  margin-bottom: 2px;
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  color: var(--washi-dim);
}

.field-num {
  font-size: 0.6rem;
  color: var(--mizu);
  margin-right: 7px;
}

.field-select {
  position: relative;
}

.field-select::after {
  content: "";
  position: absolute;
  right: 4px;
  bottom: 15px;
  width: 7px;
  height: 7px;
  border-right: 1px solid var(--washi-dim);
  border-bottom: 1px solid var(--washi-dim);
  transform: rotate(45deg);
  pointer-events: none;
}

.mio-select {
  appearance: none;
  -webkit-appearance: none;
  width: 100%;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--hairline-strong);
  border-radius: 0;
  color: var(--washi);
  padding: 9px 18px 9px 0;
  font-size: 0.95rem;
  font-family: "Zen Kaku Gothic New", sans-serif;
  cursor: pointer;
}

.mio-select:focus {
  outline: none;
  border-bottom-color: var(--mizu);
}

.mio-select option {
  background: var(--sumi-1);
  color: var(--washi);
}

/* ---- 文字ボタン（下線で活性を示す） ---- */
.intent-chip {
  appearance: none;
  background: transparent;
  border: 0;
  border-bottom: 1px solid transparent;
  color: var(--washi-dim);
  padding: 6px 1px 5px;
  font-size: 0.8rem;
  font-family: "Zen Kaku Gothic New", sans-serif;
  letter-spacing: 0.12em;
  cursor: pointer;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.intent-chip:hover {
  color: var(--washi);
}

.intent-chip.is-active {
  color: var(--mizu-soft);
  border-bottom-color: var(--mizu);
}

/* ---- CTA：雪代の青の輪郭ボタン ---- */
.cta-button {
  appearance: none;
  background: transparent;
  border: 1px solid rgba(79, 195, 247, 0.6);
  border-radius: 2px;
  color: var(--mizu-soft);
  padding: 12px 30px;
  font-size: 0.88rem;
  font-weight: 500;
  font-family: "Zen Kaku Gothic New", sans-serif;
  letter-spacing: 0.3em;
  text-indent: 0.3em;
  cursor: pointer;
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

.cta-button:hover:not(.is-disabled) {
  background: rgba(14, 165, 233, 0.14);
  box-shadow: 0 0 26px rgba(56, 189, 248, 0.22);
}

.cta-button.is-disabled {
  border-color: var(--hairline);
  color: var(--washi-dim);
  cursor: not-allowed;
}

/* ---- 朱の警告ボタン／帯（防災文脈のみ） ---- */
.aka-button {
  appearance: none;
  background: rgba(210, 59, 46, 0.12);
  border: 1px solid rgba(210, 59, 46, 0.7);
  border-radius: 2px;
  color: #ffd9d4;
  padding: 12px 26px;
  font-size: 0.88rem;
  font-weight: 700;
  font-family: "Zen Kaku Gothic New", sans-serif;
  letter-spacing: 0.18em;
  cursor: pointer;
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

.aka-button:hover {
  background: rgba(210, 59, 46, 0.26);
  box-shadow: 0 0 26px rgba(210, 59, 46, 0.28);
}

.aka-band {
  border-left: 2px solid var(--aka);
  background: rgba(210, 59, 46, 0.08);
}

/* ---- 地図の墨色モノクローム化。地図コンテナに class="mio-map" ---- */
.mio-map {
  background: var(--sumi-0);
}

.mio-map .leaflet-tile-pane {
  filter: grayscale(1) invert(1) brightness(0.58) contrast(1.16);
}

/* ---- Leaflet 控えめ化 ---- */
.leaflet-control-zoom {
  border: 1px solid var(--hairline-strong) !important;
  border-radius: 2px !important;
  overflow: hidden;
}

.leaflet-control-zoom a {
  background: rgba(10, 10, 12, 0.82) !important;
  color: var(--washi) !important;
  border-bottom: 1px solid var(--hairline) !important;
  width: 30px !important;
  height: 30px !important;
  line-height: 30px !important;
  font-family: "IBM Plex Mono", monospace;
  font-weight: 400 !important;
}

.leaflet-control-zoom a:hover {
  background: rgba(19, 19, 22, 0.95) !important;
  color: var(--mizu-soft) !important;
}

.leaflet-control-attribution {
  background: rgba(10, 10, 12, 0.62) !important;
  color: rgba(155, 150, 138, 0.8) !important;
  font-size: 0.58rem !important;
  font-family: "IBM Plex Mono", monospace;
  letter-spacing: 0.02em;
}

.leaflet-control-attribution a {
  color: rgba(155, 150, 138, 0.9) !important;
}

.leaflet-control-scale-line {
  background: rgba(10, 10, 12, 0.55) !important;
  border: 1px solid var(--hairline-strong) !important;
  border-top: 0 !important;
  color: var(--washi-dim) !important;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.6rem !important;
}

.leaflet-popup-content-wrapper {
  background: var(--sumi-1) !important;
  color: var(--washi) !important;
  border: 1px solid var(--hairline-strong);
  border-radius: 2px !important;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.55) !important;
}

.leaflet-popup-tip {
  background: var(--sumi-1) !important;
  border: 1px solid var(--hairline-strong);
}

.leaflet-container a.leaflet-popup-close-button {
  color: var(--washi-dim) !important;
}

.leaflet-tooltip {
  background: var(--sumi-1) !important;
  color: var(--washi) !important;
  border: 1px solid var(--hairline-strong) !important;
  border-radius: 2px !important;
  font-family: "Zen Kaku Gothic New", sans-serif;
}