:root {
    --ink: #1c2b2a;
    --muted: #5c6f6c;
    --line: #d5e0de;
    --paper: #f3f6f4;
    --card: #ffffff;
    --accent: #0f6e6e;
    --accent-dark: #0b4f4f;
    --high: #9d1c1c;
    --low: #1d4e89;
    --ok: #1e6b3a;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    color: var(--ink);
    background: var(--paper);
    font-family: "Segoe UI", "Yu Gothic UI", Meiryo, sans-serif;
    line-height: 1.45;
}

main { max-width: 1080px; margin: 0 auto; padding: 24px 16px 48px; }
main.narrow { max-width: 440px; }

h1 { margin: 0 0 8px; font-size: 1.8rem; }
h2 { margin: 0 0 12px; font-size: 1.15rem; }
h3 { margin: 18px 0 8px; font-size: 1rem; }

a { color: var(--accent-dark); }
.brand { font-weight: 750; letter-spacing: 0.04em; color: white; text-decoration: none; }
.login-card .brand, .narrow .brand { color: var(--accent); display: block; margin-bottom: 8px; }
.kicker { margin: 0; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); font-size: 0.75rem; }
.lead { color: var(--muted); margin-top: 0; }
.hint { color: var(--muted); font-size: 0.92rem; }
.error { background: #fdecec; color: var(--high); padding: 10px 12px; border-radius: 8px; }
.ok { background: #e7f6ec; color: var(--ok); padding: 10px 12px; border-radius: 8px; }

header.top {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 14px 18px;
    background: var(--accent-dark);
    color: white;
}
header.top nav { display: flex; gap: 14px; }
header.top nav a { color: white; text-decoration: none; }
.brand { margin-right: auto; }
header.top .who { color: #d5ecea; }
.lang-switch { margin-left: auto; }
.lang-switch select {
    width: auto;
    margin: 0;
    padding: 6px 8px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.35);
    background: rgba(0, 0, 0, 0.15);
    color: white;
}
.login-top { display: flex; align-items: center; gap: 12px; }
.login-top .brand { margin: 0; }
.login-top .lang-switch { margin-left: auto; }
.login-top .lang-switch select {
    border-color: var(--line);
    background: white;
    color: var(--ink);
}
button.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    margin-left: 12px;
    padding: 0;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 8px;
}
button.menu-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    background: white;
    border-radius: 2px;
    transition: transform 0.2s ease, opacity 0.2s ease;
}
body.nav-open button.menu-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.nav-open button.menu-toggle span:nth-child(2) { opacity: 0; }
body.nav-open button.menu-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 16px;
    margin: 14px 0;
}
.cards, .chart-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
}
.chart-grid { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.card .k { margin: 0; color: var(--muted); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; }
.card .v { margin: 6px 0 0; font-size: 1.7rem; font-weight: 700; }
.card .v small { font-size: 0.9rem; font-weight: 600; color: var(--muted); }

.facts { display: grid; gap: 8px; margin: 0; }
.facts div { display: grid; grid-template-columns: 140px 1fr; gap: 8px; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; }

label { display: block; margin: 10px 0; font-size: 0.92rem; color: var(--muted); }
input, select, textarea {
    display: block;
    width: 100%;
    margin-top: 4px;
    padding: 8px 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    font: inherit;
    color: var(--ink);
    background: white;
}
input.tiny { width: 90px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 8px 12px; }

button {
    background: var(--accent);
    color: white;
    border: 0;
    border-radius: 8px;
    padding: 10px 14px;
    font: inherit;
    cursor: pointer;
}
button.btn-danger {
    background: #9d1c1c;
}
button.btn-danger:hover {
    background: #7a1515;
}

.media-box {
    margin: 14px 0;
    padding: 12px;
    border: 1px dashed var(--line);
    border-radius: 12px;
    background: #fafcfb;
}
.media-title { margin: 0 0 6px; font-weight: 650; color: var(--ink); }
.media-drop {
    padding: 22px 14px;
    text-align: center;
    border-radius: 10px;
    border: 1px dashed #9bb8b4;
    background: #fff;
    margin: 10px 0;
}
.media-drop.is-drag {
    border-color: var(--accent);
    background: #e8f4f3;
}
.media-drop-label { margin: 0 0 6px; font-weight: 600; }
.media-file-btn {
    display: inline-block;
    margin-top: 6px;
    padding: 8px 12px;
    border-radius: 8px;
    background: var(--accent);
    color: #fff;
    cursor: pointer;
}
.media-preview img {
    display: block;
    max-width: 100%;
    max-height: 320px;
    margin-top: 10px;
    border-radius: 8px;
    border: 1px solid var(--line);
}
.media-r2-warn { margin-top: 10px; }
.media-status { margin-top: 8px; }
.media-status.ok { color: var(--ok); }
.media-status.error { color: var(--high); }

.symptom-box {
    margin: 14px 0;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #fafcfb;
}
.symptom-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 6px 10px;
}
.symptom-check {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    padding: 6px 8px;
    border-radius: 8px;
    background: #fff;
    border: 1px solid transparent;
    cursor: pointer;
    font-weight: 500;
}
.symptom-check:has(input:checked) {
    border-color: var(--accent);
    background: #e8f4f3;
}
.symptom-check input { width: auto; margin: 0; }

.share-card-layout {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 16px;
    align-items: center;
}
.share-qr-wrap { padding: 8px; background: #fff; border: 1px solid var(--line); border-radius: 8px; }
.break-all { word-break: break-all; }
.narrow-form { max-width: 360px; }
@media print {
    header.top, footer, .noprint, .menu-toggle, .lang-switch, form, .table-wrap + *, section.card:not(.share-card-print) { display: none !important; }
    .share-card-print { border: none; box-shadow: none; }
    main { max-width: none; }
}

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-size: 0.8rem; font-weight: 650; }
td.num { font-variant-numeric: tabular-nums; }
.flag-high { color: var(--high); font-weight: 750; }
.flag-low { color: var(--low); font-weight: 750; }
small { color: var(--muted); }

footer { text-align: center; color: var(--muted); padding: 8px 16px 24px; }

@media (max-width: 720px) {
    button.menu-toggle { display: inline-flex; }
    header.top {
        position: sticky;
        top: 0;
        z-index: 30;
    }
    header.top nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        background: var(--accent-dark);
        border-top: 1px solid rgba(255, 255, 255, 0.15);
        padding: 6px 0 10px;
        z-index: 20;
    }
    body.nav-open header.top nav { display: flex; }
    header.top nav a { padding: 12px 18px; }
    .facts div { grid-template-columns: 1fr; }
}