/* === Modern lightweight reset === */
:root {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

*, *::before, *::after {
  box-sizing: border-box;
}

html, body, #app {
  height: 100%;
}

html {
  font-size: 16px; 
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  line-height: 1.5;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  background: #fff;
  color: #111;
  word-wrap: break-word;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

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

button {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

fieldset {
  margin: 0;
  padding: 0;
  border: 0;
}

legend {
  padding: 0;
}

textarea {
  resize: vertical; /* 必要に応じて none に */
}


input:-webkit-autofill {
  -webkit-box-shadow: 0 0 0 1000px white inset;
  box-shadow: 0 0 0 1000px white inset;
}

h2,h3,h4,h5{
  margin: 0;
}